diff options
Diffstat (limited to 'vendor/github.com/golang/protobuf/proto')
17 files changed, 0 insertions, 11783 deletions
diff --git a/vendor/github.com/golang/protobuf/proto/clone.go b/vendor/github.com/golang/protobuf/proto/clone.go deleted file mode 100644 index 3cd3249..0000000 --- a/vendor/github.com/golang/protobuf/proto/clone.go +++ /dev/null @@ -1,253 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2011 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Protocol buffer deep copy and merge. -// TODO: RawMessage. - -package proto - -import ( - "fmt" - "log" - "reflect" - "strings" -) - -// Clone returns a deep copy of a protocol buffer. -func Clone(src Message) Message { - in := reflect.ValueOf(src) - if in.IsNil() { - return src - } - out := reflect.New(in.Type().Elem()) - dst := out.Interface().(Message) - Merge(dst, src) - return dst -} - -// Merger is the interface representing objects that can merge messages of the same type. -type Merger interface { - // Merge merges src into this message. - // Required and optional fields that are set in src will be set to that value in dst. - // Elements of repeated fields will be appended. - // - // Merge may panic if called with a different argument type than the receiver. - Merge(src Message) -} - -// generatedMerger is the custom merge method that generated protos will have. -// We must add this method since a generate Merge method will conflict with -// many existing protos that have a Merge data field already defined. -type generatedMerger interface { - XXX_Merge(src Message) -} - -// Merge merges src into dst. -// Required and optional fields that are set in src will be set to that value in dst. -// Elements of repeated fields will be appended. -// Merge panics if src and dst are not the same type, or if dst is nil. -func Merge(dst, src Message) { - if m, ok := dst.(Merger); ok { - m.Merge(src) - return - } - - in := reflect.ValueOf(src) - out := reflect.ValueOf(dst) - if out.IsNil() { - panic("proto: nil destination") - } - if in.Type() != out.Type() { - panic(fmt.Sprintf("proto.Merge(%T, %T) type mismatch", dst, src)) - } - if in.IsNil() { - return // Merge from nil src is a noop - } - if m, ok := dst.(generatedMerger); ok { - m.XXX_Merge(src) - return - } - mergeStruct(out.Elem(), in.Elem()) -} - -func mergeStruct(out, in reflect.Value) { - sprop := GetProperties(in.Type()) - for i := 0; i < in.NumField(); i++ { - f := in.Type().Field(i) - if strings.HasPrefix(f.Name, "XXX_") { - continue - } - mergeAny(out.Field(i), in.Field(i), false, sprop.Prop[i]) - } - - if emIn, err := extendable(in.Addr().Interface()); err == nil { - emOut, _ := extendable(out.Addr().Interface()) - mIn, muIn := emIn.extensionsRead() - if mIn != nil { - mOut := emOut.extensionsWrite() - muIn.Lock() - mergeExtension(mOut, mIn) - muIn.Unlock() - } - } - - uf := in.FieldByName("XXX_unrecognized") - if !uf.IsValid() { - return - } - uin := uf.Bytes() - if len(uin) > 0 { - out.FieldByName("XXX_unrecognized").SetBytes(append([]byte(nil), uin...)) - } -} - -// mergeAny performs a merge between two values of the same type. -// viaPtr indicates whether the values were indirected through a pointer (implying proto2). -// prop is set if this is a struct field (it may be nil). -func mergeAny(out, in reflect.Value, viaPtr bool, prop *Properties) { - if in.Type() == protoMessageType { - if !in.IsNil() { - if out.IsNil() { - out.Set(reflect.ValueOf(Clone(in.Interface().(Message)))) - } else { - Merge(out.Interface().(Message), in.Interface().(Message)) - } - } - return - } - switch in.Kind() { - case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64, - reflect.String, reflect.Uint32, reflect.Uint64: - if !viaPtr && isProto3Zero(in) { - return - } - out.Set(in) - case reflect.Interface: - // Probably a oneof field; copy non-nil values. - if in.IsNil() { - return - } - // Allocate destination if it is not set, or set to a different type. - // Otherwise we will merge as normal. - if out.IsNil() || out.Elem().Type() != in.Elem().Type() { - out.Set(reflect.New(in.Elem().Elem().Type())) // interface -> *T -> T -> new(T) - } - mergeAny(out.Elem(), in.Elem(), false, nil) - case reflect.Map: - if in.Len() == 0 { - return - } - if out.IsNil() { - out.Set(reflect.MakeMap(in.Type())) - } - // For maps with value types of *T or []byte we need to deep copy each value. - elemKind := in.Type().Elem().Kind() - for _, key := range in.MapKeys() { - var val reflect.Value - switch elemKind { - case reflect.Ptr: - val = reflect.New(in.Type().Elem().Elem()) - mergeAny(val, in.MapIndex(key), false, nil) - case reflect.Slice: - val = in.MapIndex(key) - val = reflect.ValueOf(append([]byte{}, val.Bytes()...)) - default: - val = in.MapIndex(key) - } - out.SetMapIndex(key, val) - } - case reflect.Ptr: - if in.IsNil() { - return - } - if out.IsNil() { - out.Set(reflect.New(in.Elem().Type())) - } - mergeAny(out.Elem(), in.Elem(), true, nil) - case reflect.Slice: - if in.IsNil() { - return - } - if in.Type().Elem().Kind() == reflect.Uint8 { - // []byte is a scalar bytes field, not a repeated field. - - // Edge case: if this is in a proto3 message, a zero length - // bytes field is considered the zero value, and should not - // be merged. - if prop != nil && prop.proto3 && in.Len() == 0 { - return - } - - // Make a deep copy. - // Append to []byte{} instead of []byte(nil) so that we never end up - // with a nil result. - out.SetBytes(append([]byte{}, in.Bytes()...)) - return - } - n := in.Len() - if out.IsNil() { - out.Set(reflect.MakeSlice(in.Type(), 0, n)) - } - switch in.Type().Elem().Kind() { - case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64, - reflect.String, reflect.Uint32, reflect.Uint64: - out.Set(reflect.AppendSlice(out, in)) - default: - for i := 0; i < n; i++ { - x := reflect.Indirect(reflect.New(in.Type().Elem())) - mergeAny(x, in.Index(i), false, nil) - out.Set(reflect.Append(out, x)) - } - } - case reflect.Struct: - mergeStruct(out, in) - default: - // unknown type, so not a protocol buffer - log.Printf("proto: don't know how to copy %v", in) - } -} - -func mergeExtension(out, in map[int32]Extension) { - for extNum, eIn := range in { - eOut := Extension{desc: eIn.desc} - if eIn.value != nil { - v := reflect.New(reflect.TypeOf(eIn.value)).Elem() - mergeAny(v, reflect.ValueOf(eIn.value), false, nil) - eOut.value = v.Interface() - } - if eIn.enc != nil { - eOut.enc = make([]byte, len(eIn.enc)) - copy(eOut.enc, eIn.enc) - } - - out[extNum] = eOut - } -} diff --git a/vendor/github.com/golang/protobuf/proto/decode.go b/vendor/github.com/golang/protobuf/proto/decode.go deleted file mode 100644 index d9aa3c4..0000000 --- a/vendor/github.com/golang/protobuf/proto/decode.go +++ /dev/null @@ -1,428 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2010 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -/* - * Routines for decoding protocol buffer data to construct in-memory representations. - */ - -import ( - "errors" - "fmt" - "io" -) - -// errOverflow is returned when an integer is too large to be represented. -var errOverflow = errors.New("proto: integer overflow") - -// ErrInternalBadWireType is returned by generated code when an incorrect -// wire type is encountered. It does not get returned to user code. -var ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof") - -// DecodeVarint reads a varint-encoded integer from the slice. -// It returns the integer and the number of bytes consumed, or -// zero if there is not enough. -// This is the format for the -// int32, int64, uint32, uint64, bool, and enum -// protocol buffer types. -func DecodeVarint(buf []byte) (x uint64, n int) { - for shift := uint(0); shift < 64; shift += 7 { - if n >= len(buf) { - return 0, 0 - } - b := uint64(buf[n]) - n++ - x |= (b & 0x7F) << shift - if (b & 0x80) == 0 { - return x, n - } - } - - // The number is too large to represent in a 64-bit value. - return 0, 0 -} - -func (p *Buffer) decodeVarintSlow() (x uint64, err error) { - i := p.index - l := len(p.buf) - - for shift := uint(0); shift < 64; shift += 7 { - if i >= l { - err = io.ErrUnexpectedEOF - return - } - b := p.buf[i] - i++ - x |= (uint64(b) & 0x7F) << shift - if b < 0x80 { - p.index = i - return - } - } - - // The number is too large to represent in a 64-bit value. - err = errOverflow - return -} - -// DecodeVarint reads a varint-encoded integer from the Buffer. -// This is the format for the -// int32, int64, uint32, uint64, bool, and enum -// protocol buffer types. -func (p *Buffer) DecodeVarint() (x uint64, err error) { - i := p.index - buf := p.buf - - if i >= len(buf) { - return 0, io.ErrUnexpectedEOF - } else if buf[i] < 0x80 { - p.index++ - return uint64(buf[i]), nil - } else if len(buf)-i < 10 { - return p.decodeVarintSlow() - } - - var b uint64 - // we already checked the first byte - x = uint64(buf[i]) - 0x80 - i++ - - b = uint64(buf[i]) - i++ - x += b << 7 - if b&0x80 == 0 { - goto done - } - x -= 0x80 << 7 - - b = uint64(buf[i]) - i++ - x += b << 14 - if b&0x80 == 0 { - goto done - } - x -= 0x80 << 14 - - b = uint64(buf[i]) - i++ - x += b << 21 - if b&0x80 == 0 { - goto done - } - x -= 0x80 << 21 - - b = uint64(buf[i]) - i++ - x += b << 28 - if b&0x80 == 0 { - goto done - } - x -= 0x80 << 28 - - b = uint64(buf[i]) - i++ - x += b << 35 - if b&0x80 == 0 { - goto done - } - x -= 0x80 << 35 - - b = uint64(buf[i]) - i++ - x += b << 42 - if b&0x80 == 0 { - goto done - } - x -= 0x80 << 42 - - b = uint64(buf[i]) - i++ - x += b << 49 - if b&0x80 == 0 { - goto done - } - x -= 0x80 << 49 - - b = uint64(buf[i]) - i++ - x += b << 56 - if b&0x80 == 0 { - goto done - } - x -= 0x80 << 56 - - b = uint64(buf[i]) - i++ - x += b << 63 - if b&0x80 == 0 { - goto done - } - // x -= 0x80 << 63 // Always zero. - - return 0, errOverflow - -done: - p.index = i - return x, nil -} - -// DecodeFixed64 reads a 64-bit integer from the Buffer. -// This is the format for the -// fixed64, sfixed64, and double protocol buffer types. -func (p *Buffer) DecodeFixed64() (x uint64, err error) { - // x, err already 0 - i := p.index + 8 - if i < 0 || i > len(p.buf) { - err = io.ErrUnexpectedEOF - return - } - p.index = i - - x = uint64(p.buf[i-8]) - x |= uint64(p.buf[i-7]) << 8 - x |= uint64(p.buf[i-6]) << 16 - x |= uint64(p.buf[i-5]) << 24 - x |= uint64(p.buf[i-4]) << 32 - x |= uint64(p.buf[i-3]) << 40 - x |= uint64(p.buf[i-2]) << 48 - x |= uint64(p.buf[i-1]) << 56 - return -} - -// DecodeFixed32 reads a 32-bit integer from the Buffer. -// This is the format for the -// fixed32, sfixed32, and float protocol buffer types. -func (p *Buffer) DecodeFixed32() (x uint64, err error) { - // x, err already 0 - i := p.index + 4 - if i < 0 || i > len(p.buf) { - err = io.ErrUnexpectedEOF - return - } - p.index = i - - x = uint64(p.buf[i-4]) - x |= uint64(p.buf[i-3]) << 8 - x |= uint64(p.buf[i-2]) << 16 - x |= uint64(p.buf[i-1]) << 24 - return -} - -// DecodeZigzag64 reads a zigzag-encoded 64-bit integer -// from the Buffer. -// This is the format used for the sint64 protocol buffer type. -func (p *Buffer) DecodeZigzag64() (x uint64, err error) { - x, err = p.DecodeVarint() - if err != nil { - return - } - x = (x >> 1) ^ uint64((int64(x&1)<<63)>>63) - return -} - -// DecodeZigzag32 reads a zigzag-encoded 32-bit integer -// from the Buffer. -// This is the format used for the sint32 protocol buffer type. -func (p *Buffer) DecodeZigzag32() (x uint64, err error) { - x, err = p.DecodeVarint() - if err != nil { - return - } - x = uint64((uint32(x) >> 1) ^ uint32((int32(x&1)<<31)>>31)) - return -} - -// DecodeRawBytes reads a count-delimited byte buffer from the Buffer. -// This is the format used for the bytes protocol buffer -// type and for embedded messages. -func (p *Buffer) DecodeRawBytes(alloc bool) (buf []byte, err error) { - n, err := p.DecodeVarint() - if err != nil { - return nil, err - } - - nb := int(n) - if nb < 0 { - return nil, fmt.Errorf("proto: bad byte length %d", nb) - } - end := p.index + nb - if end < p.index || end > len(p.buf) { - return nil, io.ErrUnexpectedEOF - } - - if !alloc { - // todo: check if can get more uses of alloc=false - buf = p.buf[p.index:end] - p.index += nb - return - } - - buf = make([]byte, nb) - copy(buf, p.buf[p.index:]) - p.index += nb - return -} - -// DecodeStringBytes reads an encoded string from the Buffer. -// This is the format used for the proto2 string type. -func (p *Buffer) DecodeStringBytes() (s string, err error) { - buf, err := p.DecodeRawBytes(false) - if err != nil { - return - } - return string(buf), nil -} - -// Unmarshaler is the interface representing objects that can -// unmarshal themselves. The argument points to data that may be -// overwritten, so implementations should not keep references to the -// buffer. -// Unmarshal implementations should not clear the receiver. -// Any unmarshaled data should be merged into the receiver. -// Callers of Unmarshal that do not want to retain existing data -// should Reset the receiver before calling Unmarshal. -type Unmarshaler interface { - Unmarshal([]byte) error -} - -// newUnmarshaler is the interface representing objects that can -// unmarshal themselves. The semantics are identical to Unmarshaler. -// -// This exists to support protoc-gen-go generated messages. -// The proto package will stop type-asserting to this interface in the future. -// -// DO NOT DEPEND ON THIS. -type newUnmarshaler interface { - XXX_Unmarshal([]byte) error -} - -// Unmarshal parses the protocol buffer representation in buf and places the -// decoded result in pb. If the struct underlying pb does not match -// the data in buf, the results can be unpredictable. -// -// Unmarshal resets pb before starting to unmarshal, so any -// existing data in pb is always removed. Use UnmarshalMerge -// to preserve and append to existing data. -func Unmarshal(buf []byte, pb Message) error { - pb.Reset() - if u, ok := pb.(newUnmarshaler); ok { - return u.XXX_Unmarshal(buf) - } - if u, ok := pb.(Unmarshaler); ok { - return u.Unmarshal(buf) - } - return NewBuffer(buf).Unmarshal(pb) -} - -// UnmarshalMerge parses the protocol buffer representation in buf and -// writes the decoded result to pb. If the struct underlying pb does not match -// the data in buf, the results can be unpredictable. -// -// UnmarshalMerge merges into existing data in pb. -// Most code should use Unmarshal instead. -func UnmarshalMerge(buf []byte, pb Message) error { - if u, ok := pb.(newUnmarshaler); ok { - return u.XXX_Unmarshal(buf) - } - if u, ok := pb.(Unmarshaler); ok { - // NOTE: The history of proto have unfortunately been inconsistent - // whether Unmarshaler should or should not implicitly clear itself. - // Some implementations do, most do not. - // Thus, calling this here may or may not do what people want. - // - // See https://github.com/golang/protobuf/issues/424 - return u.Unmarshal(buf) - } - return NewBuffer(buf).Unmarshal(pb) -} - -// DecodeMessage reads a count-delimited message from the Buffer. -func (p *Buffer) DecodeMessage(pb Message) error { - enc, err := p.DecodeRawBytes(false) - if err != nil { - return err - } - return NewBuffer(enc).Unmarshal(pb) -} - -// DecodeGroup reads a tag-delimited group from the Buffer. -// StartGroup tag is already consumed. This function consumes -// EndGroup tag. -func (p *Buffer) DecodeGroup(pb Message) error { - b := p.buf[p.index:] - x, y := findEndGroup(b) - if x < 0 { - return io.ErrUnexpectedEOF - } - err := Unmarshal(b[:x], pb) - p.index += y - return err -} - -// Unmarshal parses the protocol buffer representation in the -// Buffer and places the decoded result in pb. If the struct -// underlying pb does not match the data in the buffer, the results can be -// unpredictable. -// -// Unlike proto.Unmarshal, this does not reset pb before starting to unmarshal. -func (p *Buffer) Unmarshal(pb Message) error { - // If the object can unmarshal itself, let it. - if u, ok := pb.(newUnmarshaler); ok { - err := u.XXX_Unmarshal(p.buf[p.index:]) - p.index = len(p.buf) - return err - } - if u, ok := pb.(Unmarshaler); ok { - // NOTE: The history of proto have unfortunately been inconsistent - // whether Unmarshaler should or should not implicitly clear itself. - // Some implementations do, most do not. - // Thus, calling this here may or may not do what people want. - // - // See https://github.com/golang/protobuf/issues/424 - err := u.Unmarshal(p.buf[p.index:]) - p.index = len(p.buf) - return err - } - - // Slow workaround for messages that aren't Unmarshalers. - // This includes some hand-coded .pb.go files and - // bootstrap protos. - // TODO: fix all of those and then add Unmarshal to - // the Message interface. Then: - // The cast above and code below can be deleted. - // The old unmarshaler can be deleted. - // Clients can call Unmarshal directly (can already do that, actually). - var info InternalMessageInfo - err := info.Unmarshal(pb, p.buf[p.index:]) - p.index = len(p.buf) - return err -} diff --git a/vendor/github.com/golang/protobuf/proto/deprecated.go b/vendor/github.com/golang/protobuf/proto/deprecated.go deleted file mode 100644 index 69de0ea..0000000 --- a/vendor/github.com/golang/protobuf/proto/deprecated.go +++ /dev/null @@ -1,38 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2018 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -// Deprecated: do not use. -type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 } - -// Deprecated: do not use. -func GetStats() Stats { return Stats{} } diff --git a/vendor/github.com/golang/protobuf/proto/discard.go b/vendor/github.com/golang/protobuf/proto/discard.go deleted file mode 100644 index dea2617..0000000 --- a/vendor/github.com/golang/protobuf/proto/discard.go +++ /dev/null @@ -1,350 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2017 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -import ( - "fmt" - "reflect" - "strings" - "sync" - "sync/atomic" -) - -type generatedDiscarder interface { - XXX_DiscardUnknown() -} - -// DiscardUnknown recursively discards all unknown fields from this message -// and all embedded messages. -// -// When unmarshaling a message with unrecognized fields, the tags and values -// of such fields are preserved in the Message. This allows a later call to -// marshal to be able to produce a message that continues to have those -// unrecognized fields. To avoid this, DiscardUnknown is used to -// explicitly clear the unknown fields after unmarshaling. -// -// For proto2 messages, the unknown fields of message extensions are only -// discarded from messages that have been accessed via GetExtension. -func DiscardUnknown(m Message) { - if m, ok := m.(generatedDiscarder); ok { - m.XXX_DiscardUnknown() - return - } - // TODO: Dynamically populate a InternalMessageInfo for legacy messages, - // but the master branch has no implementation for InternalMessageInfo, - // so it would be more work to replicate that approach. - discardLegacy(m) -} - -// DiscardUnknown recursively discards all unknown fields. -func (a *InternalMessageInfo) DiscardUnknown(m Message) { - di := atomicLoadDiscardInfo(&a.discard) - if di == nil { - di = getDiscardInfo(reflect.TypeOf(m).Elem()) - atomicStoreDiscardInfo(&a.discard, di) - } - di.discard(toPointer(&m)) -} - -type discardInfo struct { - typ reflect.Type - - initialized int32 // 0: only typ is valid, 1: everything is valid - lock sync.Mutex - - fields []discardFieldInfo - unrecognized field -} - -type discardFieldInfo struct { - field field // Offset of field, guaranteed to be valid - discard func(src pointer) -} - -var ( - discardInfoMap = map[reflect.Type]*discardInfo{} - discardInfoLock sync.Mutex -) - -func getDiscardInfo(t reflect.Type) *discardInfo { - discardInfoLock.Lock() - defer discardInfoLock.Unlock() - di := discardInfoMap[t] - if di == nil { - di = &discardInfo{typ: t} - discardInfoMap[t] = di - } - return di -} - -func (di *discardInfo) discard(src pointer) { - if src.isNil() { - return // Nothing to do. - } - - if atomic.LoadInt32(&di.initialized) == 0 { - di.computeDiscardInfo() - } - - for _, fi := range di.fields { - sfp := src.offset(fi.field) - fi.discard(sfp) - } - - // For proto2 messages, only discard unknown fields in message extensions - // that have been accessed via GetExtension. - if em, err := extendable(src.asPointerTo(di.typ).Interface()); err == nil { - // Ignore lock since DiscardUnknown is not concurrency safe. - emm, _ := em.extensionsRead() - for _, mx := range emm { - if m, ok := mx.value.(Message); ok { - DiscardUnknown(m) - } - } - } - - if di.unrecognized.IsValid() { - *src.offset(di.unrecognized).toBytes() = nil - } -} - -func (di *discardInfo) computeDiscardInfo() { - di.lock.Lock() - defer di.lock.Unlock() - if di.initialized != 0 { - return - } - t := di.typ - n := t.NumField() - - for i := 0; i < n; i++ { - f := t.Field(i) - if strings.HasPrefix(f.Name, "XXX_") { - continue - } - - dfi := discardFieldInfo{field: toField(&f)} - tf := f.Type - - // Unwrap tf to get its most basic type. - var isPointer, isSlice bool - if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 { - isSlice = true - tf = tf.Elem() - } - if tf.Kind() == reflect.Ptr { - isPointer = true - tf = tf.Elem() - } - if isPointer && isSlice && tf.Kind() != reflect.Struct { - panic(fmt.Sprintf("%v.%s cannot be a slice of pointers to primitive types", t, f.Name)) - } - - switch tf.Kind() { - case reflect.Struct: - switch { - case !isPointer: - panic(fmt.Sprintf("%v.%s cannot be a direct struct value", t, f.Name)) - case isSlice: // E.g., []*pb.T - di := getDiscardInfo(tf) - dfi.discard = func(src pointer) { - sps := src.getPointerSlice() - for _, sp := range sps { - if !sp.isNil() { - di.discard(sp) - } - } - } - default: // E.g., *pb.T - di := getDiscardInfo(tf) - dfi.discard = func(src pointer) { - sp := src.getPointer() - if !sp.isNil() { - di.discard(sp) - } - } - } - case reflect.Map: - switch { - case isPointer || isSlice: - panic(fmt.Sprintf("%v.%s cannot be a pointer to a map or a slice of map values", t, f.Name)) - default: // E.g., map[K]V - if tf.Elem().Kind() == reflect.Ptr { // Proto struct (e.g., *T) - dfi.discard = func(src pointer) { - sm := src.asPointerTo(tf).Elem() - if sm.Len() == 0 { - return - } - for _, key := range sm.MapKeys() { - val := sm.MapIndex(key) - DiscardUnknown(val.Interface().(Message)) - } - } - } else { - dfi.discard = func(pointer) {} // Noop - } - } - case reflect.Interface: - // Must be oneof field. - switch { - case isPointer || isSlice: - panic(fmt.Sprintf("%v.%s cannot be a pointer to a interface or a slice of interface values", t, f.Name)) - default: // E.g., interface{} - // TODO: Make this faster? - dfi.discard = func(src pointer) { - su := src.asPointerTo(tf).Elem() - if !su.IsNil() { - sv := su.Elem().Elem().Field(0) - if sv.Kind() == reflect.Ptr && sv.IsNil() { - return - } - switch sv.Type().Kind() { - case reflect.Ptr: // Proto struct (e.g., *T) - DiscardUnknown(sv.Interface().(Message)) - } - } - } - } - default: - continue - } - di.fields = append(di.fields, dfi) - } - - di.unrecognized = invalidField - if f, ok := t.FieldByName("XXX_unrecognized"); ok { - if f.Type != reflect.TypeOf([]byte{}) { - panic("expected XXX_unrecognized to be of type []byte") - } - di.unrecognized = toField(&f) - } - - atomic.StoreInt32(&di.initialized, 1) -} - -func discardLegacy(m Message) { - v := reflect.ValueOf(m) - if v.Kind() != reflect.Ptr || v.IsNil() { - return - } - v = v.Elem() - if v.Kind() != reflect.Struct { - return - } - t := v.Type() - - for i := 0; i < v.NumField(); i++ { - f := t.Field(i) - if strings.HasPrefix(f.Name, "XXX_") { - continue - } - vf := v.Field(i) - tf := f.Type - - // Unwrap tf to get its most basic type. - var isPointer, isSlice bool - if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 { - isSlice = true - tf = tf.Elem() - } - if tf.Kind() == reflect.Ptr { - isPointer = true - tf = tf.Elem() - } - if isPointer && isSlice && tf.Kind() != reflect.Struct { - panic(fmt.Sprintf("%T.%s cannot be a slice of pointers to primitive types", m, f.Name)) - } - - switch tf.Kind() { - case reflect.Struct: - switch { - case !isPointer: - panic(fmt.Sprintf("%T.%s cannot be a direct struct value", m, f.Name)) - case isSlice: // E.g., []*pb.T - for j := 0; j < vf.Len(); j++ { - discardLegacy(vf.Index(j).Interface().(Message)) - } - default: // E.g., *pb.T - discardLegacy(vf.Interface().(Message)) - } - case reflect.Map: - switch { - case isPointer || isSlice: - panic(fmt.Sprintf("%T.%s cannot be a pointer to a map or a slice of map values", m, f.Name)) - default: // E.g., map[K]V - tv := vf.Type().Elem() - if tv.Kind() == reflect.Ptr && tv.Implements(protoMessageType) { // Proto struct (e.g., *T) - for _, key := range vf.MapKeys() { - val := vf.MapIndex(key) - discardLegacy(val.Interface().(Message)) - } - } - } - case reflect.Interface: - // Must be oneof field. - switch { - case isPointer || isSlice: - panic(fmt.Sprintf("%T.%s cannot be a pointer to a interface or a slice of interface values", m, f.Name)) - default: // E.g., test_proto.isCommunique_Union interface - if !vf.IsNil() && f.Tag.Get("protobuf_oneof") != "" { - vf = vf.Elem() // E.g., *test_proto.Communique_Msg - if !vf.IsNil() { - vf = vf.Elem() // E.g., test_proto.Communique_Msg - vf = vf.Field(0) // E.g., Proto struct (e.g., *T) or primitive value - if vf.Kind() == reflect.Ptr { - discardLegacy(vf.Interface().(Message)) - } - } - } - } - } - } - - if vf := v.FieldByName("XXX_unrecognized"); vf.IsValid() { - if vf.Type() != reflect.TypeOf([]byte{}) { - panic("expected XXX_unrecognized to be of type []byte") - } - vf.Set(reflect.ValueOf([]byte(nil))) - } - - // For proto2 messages, only discard unknown fields in message extensions - // that have been accessed via GetExtension. - if em, err := extendable(m); err == nil { - // Ignore lock since discardLegacy is not concurrency safe. - emm, _ := em.extensionsRead() - for _, mx := range emm { - if m, ok := mx.value.(Message); ok { - discardLegacy(m) - } - } - } -} diff --git a/vendor/github.com/golang/protobuf/proto/encode.go b/vendor/github.com/golang/protobuf/proto/encode.go deleted file mode 100644 index 3abfed2..0000000 --- a/vendor/github.com/golang/protobuf/proto/encode.go +++ /dev/null @@ -1,203 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2010 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -/* - * Routines for encoding data into the wire format for protocol buffers. - */ - -import ( - "errors" - "reflect" -) - -var ( - // errRepeatedHasNil is the error returned if Marshal is called with - // a struct with a repeated field containing a nil element. - errRepeatedHasNil = errors.New("proto: repeated field has nil element") - - // errOneofHasNil is the error returned if Marshal is called with - // a struct with a oneof field containing a nil element. - errOneofHasNil = errors.New("proto: oneof field has nil value") - - // ErrNil is the error returned if Marshal is called with nil. - ErrNil = errors.New("proto: Marshal called with nil") - - // ErrTooLarge is the error returned if Marshal is called with a - // message that encodes to >2GB. - ErrTooLarge = errors.New("proto: message encodes to over 2 GB") -) - -// The fundamental encoders that put bytes on the wire. -// Those that take integer types all accept uint64 and are -// therefore of type valueEncoder. - -const maxVarintBytes = 10 // maximum length of a varint - -// EncodeVarint returns the varint encoding of x. -// This is the format for the -// int32, int64, uint32, uint64, bool, and enum -// protocol buffer types. -// Not used by the package itself, but helpful to clients -// wishing to use the same encoding. -func EncodeVarint(x uint64) []byte { - var buf [maxVarintBytes]byte - var n int - for n = 0; x > 127; n++ { - buf[n] = 0x80 | uint8(x&0x7F) - x >>= 7 - } - buf[n] = uint8(x) - n++ - return buf[0:n] -} - -// EncodeVarint writes a varint-encoded integer to the Buffer. -// This is the format for the -// int32, int64, uint32, uint64, bool, and enum -// protocol buffer types. -func (p *Buffer) EncodeVarint(x uint64) error { - for x >= 1<<7 { - p.buf = append(p.buf, uint8(x&0x7f|0x80)) - x >>= 7 - } - p.buf = append(p.buf, uint8(x)) - return nil -} - -// SizeVarint returns the varint encoding size of an integer. -func SizeVarint(x uint64) int { - switch { - case x < 1<<7: - return 1 - case x < 1<<14: - return 2 - case x < 1<<21: - return 3 - case x < 1<<28: - return 4 - case x < 1<<35: - return 5 - case x < 1<<42: - return 6 - case x < 1<<49: - return 7 - case x < 1<<56: - return 8 - case x < 1<<63: - return 9 - } - return 10 -} - -// EncodeFixed64 writes a 64-bit integer to the Buffer. -// This is the format for the -// fixed64, sfixed64, and double protocol buffer types. -func (p *Buffer) EncodeFixed64(x uint64) error { - p.buf = append(p.buf, - uint8(x), - uint8(x>>8), - uint8(x>>16), - uint8(x>>24), - uint8(x>>32), - uint8(x>>40), - uint8(x>>48), - uint8(x>>56)) - return nil -} - -// EncodeFixed32 writes a 32-bit integer to the Buffer. -// This is the format for the -// fixed32, sfixed32, and float protocol buffer types. -func (p *Buffer) EncodeFixed32(x uint64) error { - p.buf = append(p.buf, - uint8(x), - uint8(x>>8), - uint8(x>>16), - uint8(x>>24)) - return nil -} - -// EncodeZigzag64 writes a zigzag-encoded 64-bit integer -// to the Buffer. -// This is the format used for the sint64 protocol buffer type. -func (p *Buffer) EncodeZigzag64(x uint64) error { - // use signed number to get arithmetic right shift. - return p.EncodeVarint(uint64((x << 1) ^ uint64((int64(x) >> 63)))) -} - -// EncodeZigzag32 writes a zigzag-encoded 32-bit integer -// to the Buffer. -// This is the format used for the sint32 protocol buffer type. -func (p *Buffer) EncodeZigzag32(x uint64) error { - // use signed number to get arithmetic right shift. - return p.EncodeVarint(uint64((uint32(x) << 1) ^ uint32((int32(x) >> 31)))) -} - -// EncodeRawBytes writes a count-delimited byte buffer to the Buffer. -// This is the format used for the bytes protocol buffer -// type and for embedded messages. -func (p *Buffer) EncodeRawBytes(b []byte) error { - p.EncodeVarint(uint64(len(b))) - p.buf = append(p.buf, b...) - return nil -} - -// EncodeStringBytes writes an encoded string to the Buffer. -// This is the format used for the proto2 string type. -func (p *Buffer) EncodeStringBytes(s string) error { - p.EncodeVarint(uint64(len(s))) - p.buf = append(p.buf, s...) - return nil -} - -// Marshaler is the interface representing objects that can marshal themselves. -type Marshaler interface { - Marshal() ([]byte, error) -} - -// EncodeMessage writes the protocol buffer to the Buffer, -// prefixed by a varint-encoded length. -func (p *Buffer) EncodeMessage(pb Message) error { - siz := Size(pb) - p.EncodeVarint(uint64(siz)) - return p.Marshal(pb) -} - -// All protocol buffer fields are nillable, but be careful. -func isNil(v reflect.Value) bool { - switch v.Kind() { - case reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice: - return v.IsNil() - } - return false -} diff --git a/vendor/github.com/golang/protobuf/proto/equal.go b/vendor/github.com/golang/protobuf/proto/equal.go deleted file mode 100644 index d4db5a1..0000000 --- a/vendor/github.com/golang/protobuf/proto/equal.go +++ /dev/null @@ -1,300 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2011 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Protocol buffer comparison. - -package proto - -import ( - "bytes" - "log" - "reflect" - "strings" -) - -/* -Equal returns true iff protocol buffers a and b are equal. -The arguments must both be pointers to protocol buffer structs. - -Equality is defined in this way: - - Two messages are equal iff they are the same type, - corresponding fields are equal, unknown field sets - are equal, and extensions sets are equal. - - Two set scalar fields are equal iff their values are equal. - If the fields are of a floating-point type, remember that - NaN != x for all x, including NaN. If the message is defined - in a proto3 .proto file, fields are not "set"; specifically, - zero length proto3 "bytes" fields are equal (nil == {}). - - Two repeated fields are equal iff their lengths are the same, - and their corresponding elements are equal. Note a "bytes" field, - although represented by []byte, is not a repeated field and the - rule for the scalar fields described above applies. - - Two unset fields are equal. - - Two unknown field sets are equal if their current - encoded state is equal. - - Two extension sets are equal iff they have corresponding - elements that are pairwise equal. - - Two map fields are equal iff their lengths are the same, - and they contain the same set of elements. Zero-length map - fields are equal. - - Every other combination of things are not equal. - -The return value is undefined if a and b are not protocol buffers. -*/ -func Equal(a, b Message) bool { - if a == nil || b == nil { - return a == b - } - v1, v2 := reflect.ValueOf(a), reflect.ValueOf(b) - if v1.Type() != v2.Type() { - return false - } - if v1.Kind() == reflect.Ptr { - if v1.IsNil() { - return v2.IsNil() - } - if v2.IsNil() { - return false - } - v1, v2 = v1.Elem(), v2.Elem() - } - if v1.Kind() != reflect.Struct { - return false - } - return equalStruct(v1, v2) -} - -// v1 and v2 are known to have the same type. -func equalStruct(v1, v2 reflect.Value) bool { - sprop := GetProperties(v1.Type()) - for i := 0; i < v1.NumField(); i++ { - f := v1.Type().Field(i) - if strings.HasPrefix(f.Name, "XXX_") { - continue - } - f1, f2 := v1.Field(i), v2.Field(i) - if f.Type.Kind() == reflect.Ptr { - if n1, n2 := f1.IsNil(), f2.IsNil(); n1 && n2 { - // both unset - continue - } else if n1 != n2 { - // set/unset mismatch - return false - } - f1, f2 = f1.Elem(), f2.Elem() - } - if !equalAny(f1, f2, sprop.Prop[i]) { - return false - } - } - - if em1 := v1.FieldByName("XXX_InternalExtensions"); em1.IsValid() { - em2 := v2.FieldByName("XXX_InternalExtensions") - if !equalExtensions(v1.Type(), em1.Interface().(XXX_InternalExtensions), em2.Interface().(XXX_InternalExtensions)) { - return false - } - } - - if em1 := v1.FieldByName("XXX_extensions"); em1.IsValid() { - em2 := v2.FieldByName("XXX_extensions") - if !equalExtMap(v1.Type(), em1.Interface().(map[int32]Extension), em2.Interface().(map[int32]Extension)) { - return false - } - } - - uf := v1.FieldByName("XXX_unrecognized") - if !uf.IsValid() { - return true - } - - u1 := uf.Bytes() - u2 := v2.FieldByName("XXX_unrecognized").Bytes() - return bytes.Equal(u1, u2) -} - -// v1 and v2 are known to have the same type. -// prop may be nil. -func equalAny(v1, v2 reflect.Value, prop *Properties) bool { - if v1.Type() == protoMessageType { - m1, _ := v1.Interface().(Message) - m2, _ := v2.Interface().(Message) - return Equal(m1, m2) - } - switch v1.Kind() { - case reflect.Bool: - return v1.Bool() == v2.Bool() - case reflect.Float32, reflect.Float64: - return v1.Float() == v2.Float() - case reflect.Int32, reflect.Int64: - return v1.Int() == v2.Int() - case reflect.Interface: - // Probably a oneof field; compare the inner values. - n1, n2 := v1.IsNil(), v2.IsNil() - if n1 || n2 { - return n1 == n2 - } - e1, e2 := v1.Elem(), v2.Elem() - if e1.Type() != e2.Type() { - return false - } - return equalAny(e1, e2, nil) - case reflect.Map: - if v1.Len() != v2.Len() { - return false - } - for _, key := range v1.MapKeys() { - val2 := v2.MapIndex(key) - if !val2.IsValid() { - // This key was not found in the second map. - return false - } - if !equalAny(v1.MapIndex(key), val2, nil) { - return false - } - } - return true - case reflect.Ptr: - // Maps may have nil values in them, so check for nil. - if v1.IsNil() && v2.IsNil() { - return true - } - if v1.IsNil() != v2.IsNil() { - return false - } - return equalAny(v1.Elem(), v2.Elem(), prop) - case reflect.Slice: - if v1.Type().Elem().Kind() == reflect.Uint8 { - // short circuit: []byte - - // Edge case: if this is in a proto3 message, a zero length - // bytes field is considered the zero value. - if prop != nil && prop.proto3 && v1.Len() == 0 && v2.Len() == 0 { - return true - } - if v1.IsNil() != v2.IsNil() { - return false - } - return bytes.Equal(v1.Interface().([]byte), v2.Interface().([]byte)) - } - - if v1.Len() != v2.Len() { - return false - } - for i := 0; i < v1.Len(); i++ { - if !equalAny(v1.Index(i), v2.Index(i), prop) { - return false - } - } - return true - case reflect.String: - return v1.Interface().(string) == v2.Interface().(string) - case reflect.Struct: - return equalStruct(v1, v2) - case reflect.Uint32, reflect.Uint64: - return v1.Uint() == v2.Uint() - } - - // unknown type, so not a protocol buffer - log.Printf("proto: don't know how to compare %v", v1) - return false -} - -// base is the struct type that the extensions are based on. -// x1 and x2 are InternalExtensions. -func equalExtensions(base reflect.Type, x1, x2 XXX_InternalExtensions) bool { - em1, _ := x1.extensionsRead() - em2, _ := x2.extensionsRead() - return equalExtMap(base, em1, em2) -} - -func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool { - if len(em1) != len(em2) { - return false - } - - for extNum, e1 := range em1 { - e2, ok := em2[extNum] - if !ok { - return false - } - - m1, m2 := e1.value, e2.value - - if m1 == nil && m2 == nil { - // Both have only encoded form. - if bytes.Equal(e1.enc, e2.enc) { - continue - } - // The bytes are different, but the extensions might still be - // equal. We need to decode them to compare. - } - - if m1 != nil && m2 != nil { - // Both are unencoded. - if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) { - return false - } - continue - } - - // At least one is encoded. To do a semantically correct comparison - // we need to unmarshal them first. - var desc *ExtensionDesc - if m := extensionMaps[base]; m != nil { - desc = m[extNum] - } - if desc == nil { - // If both have only encoded form and the bytes are the same, - // it is handled above. We get here when the bytes are different. - // We don't know how to decode it, so just compare them as byte - // slices. - log.Printf("proto: don't know how to compare extension %d of %v", extNum, base) - return false - } - var err error - if m1 == nil { - m1, err = decodeExtension(e1.enc, desc) - } - if m2 == nil && err == nil { - m2, err = decodeExtension(e2.enc, desc) - } - if err != nil { - // The encoded form is invalid. - log.Printf("proto: badly encoded extension %d of %v: %v", extNum, base, err) - return false - } - if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) { - return false - } - } - - return true -} diff --git a/vendor/github.com/golang/protobuf/proto/extensions.go b/vendor/github.com/golang/protobuf/proto/extensions.go deleted file mode 100644 index dacdd22..0000000 --- a/vendor/github.com/golang/protobuf/proto/extensions.go +++ /dev/null @@ -1,543 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2010 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -/* - * Types and routines for supporting protocol buffer extensions. - */ - -import ( - "errors" - "fmt" - "io" - "reflect" - "strconv" - "sync" -) - -// ErrMissingExtension is the error returned by GetExtension if the named extension is not in the message. -var ErrMissingExtension = errors.New("proto: missing extension") - -// ExtensionRange represents a range of message extensions for a protocol buffer. -// Used in code generated by the protocol compiler. -type ExtensionRange struct { - Start, End int32 // both inclusive -} - -// extendableProto is an interface implemented by any protocol buffer generated by the current -// proto compiler that may be extended. -type extendableProto interface { - Message - ExtensionRangeArray() []ExtensionRange - extensionsWrite() map[int32]Extension - extensionsRead() (map[int32]Extension, sync.Locker) -} - -// extendableProtoV1 is an interface implemented by a protocol buffer generated by the previous -// version of the proto compiler that may be extended. -type extendableProtoV1 interface { - Message - ExtensionRangeArray() []ExtensionRange - ExtensionMap() map[int32]Extension -} - -// extensionAdapter is a wrapper around extendableProtoV1 that implements extendableProto. -type extensionAdapter struct { - extendableProtoV1 -} - -func (e extensionAdapter) extensionsWrite() map[int32]Extension { - return e.ExtensionMap() -} - -func (e extensionAdapter) extensionsRead() (map[int32]Extension, sync.Locker) { - return e.ExtensionMap(), notLocker{} -} - -// notLocker is a sync.Locker whose Lock and Unlock methods are nops. -type notLocker struct{} - -func (n notLocker) Lock() {} -func (n notLocker) Unlock() {} - -// extendable returns the extendableProto interface for the given generated proto message. -// If the proto message has the old extension format, it returns a wrapper that implements -// the extendableProto interface. -func extendable(p interface{}) (extendableProto, error) { - switch p := p.(type) { - case extendableProto: - if isNilPtr(p) { - return nil, fmt.Errorf("proto: nil %T is not extendable", p) - } - return p, nil - case extendableProtoV1: - if isNilPtr(p) { - return nil, fmt.Errorf("proto: nil %T is not extendable", p) - } - return extensionAdapter{p}, nil - } - // Don't allocate a specific error containing %T: - // this is the hot path for Clone and MarshalText. - return nil, errNotExtendable -} - -var errNotExtendable = errors.New("proto: not an extendable proto.Message") - -func isNilPtr(x interface{}) bool { - v := reflect.ValueOf(x) - return v.Kind() == reflect.Ptr && v.IsNil() -} - -// XXX_InternalExtensions is an internal representation of proto extensions. -// -// Each generated message struct type embeds an anonymous XXX_InternalExtensions field, -// thus gaining the unexported 'extensions' method, which can be called only from the proto package. -// -// The methods of XXX_InternalExtensions are not concurrency safe in general, -// but calls to logically read-only methods such as has and get may be executed concurrently. -type XXX_InternalExtensions struct { - // The struct must be indirect so that if a user inadvertently copies a - // generated message and its embedded XXX_InternalExtensions, they - // avoid the mayhem of a copied mutex. - // - // The mutex serializes all logically read-only operations to p.extensionMap. - // It is up to the client to ensure that write operations to p.extensionMap are - // mutually exclusive with other accesses. - p *struct { - mu sync.Mutex - extensionMap map[int32]Extension - } -} - -// extensionsWrite returns the extension map, creating it on first use. -func (e *XXX_InternalExtensions) extensionsWrite() map[int32]Extension { - if e.p == nil { - e.p = new(struct { - mu sync.Mutex - extensionMap map[int32]Extension - }) - e.p.extensionMap = make(map[int32]Extension) - } - return e.p.extensionMap -} - -// extensionsRead returns the extensions map for read-only use. It may be nil. -// The caller must hold the returned mutex's lock when accessing Elements within the map. -func (e *XXX_InternalExtensions) extensionsRead() (map[int32]Extension, sync.Locker) { - if e.p == nil { - return nil, nil - } - return e.p.extensionMap, &e.p.mu -} - -// ExtensionDesc represents an extension specification. -// Used in generated code from the protocol compiler. -type ExtensionDesc struct { - ExtendedType Message // nil pointer to the type that is being extended - ExtensionType interface{} // nil pointer to the extension type - Field int32 // field number - Name string // fully-qualified name of extension, for text formatting - Tag string // protobuf tag style - Filename string // name of the file in which the extension is defined -} - -func (ed *ExtensionDesc) repeated() bool { - t := reflect.TypeOf(ed.ExtensionType) - return t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 -} - -// Extension represents an extension in a message. -type Extension struct { - // When an extension is stored in a message using SetExtension - // only desc and value are set. When the message is marshaled - // enc will be set to the encoded form of the message. - // - // When a message is unmarshaled and contains extensions, each - // extension will have only enc set. When such an extension is - // accessed using GetExtension (or GetExtensions) desc and value - // will be set. - desc *ExtensionDesc - value interface{} - enc []byte -} - -// SetRawExtension is for testing only. -func SetRawExtension(base Message, id int32, b []byte) { - epb, err := extendable(base) - if err != nil { - return - } - extmap := epb.extensionsWrite() - extmap[id] = Extension{enc: b} -} - -// isExtensionField returns true iff the given field number is in an extension range. -func isExtensionField(pb extendableProto, field int32) bool { - for _, er := range pb.ExtensionRangeArray() { - if er.Start <= field && field <= er.End { - return true - } - } - return false -} - -// checkExtensionTypes checks that the given extension is valid for pb. -func checkExtensionTypes(pb extendableProto, extension *ExtensionDesc) error { - var pbi interface{} = pb - // Check the extended type. - if ea, ok := pbi.(extensionAdapter); ok { - pbi = ea.extendableProtoV1 - } - if a, b := reflect.TypeOf(pbi), reflect.TypeOf(extension.ExtendedType); a != b { - return fmt.Errorf("proto: bad extended type; %v does not extend %v", b, a) - } - // Check the range. - if !isExtensionField(pb, extension.Field) { - return errors.New("proto: bad extension number; not in declared ranges") - } - return nil -} - -// extPropKey is sufficient to uniquely identify an extension. -type extPropKey struct { - base reflect.Type - field int32 -} - -var extProp = struct { - sync.RWMutex - m map[extPropKey]*Properties -}{ - m: make(map[extPropKey]*Properties), -} - -func extensionProperties(ed *ExtensionDesc) *Properties { - key := extPropKey{base: reflect.TypeOf(ed.ExtendedType), field: ed.Field} - - extProp.RLock() - if prop, ok := extProp.m[key]; ok { - extProp.RUnlock() - return prop - } - extProp.RUnlock() - - extProp.Lock() - defer extProp.Unlock() - // Check again. - if prop, ok := extProp.m[key]; ok { - return prop - } - - prop := new(Properties) - prop.Init(reflect.TypeOf(ed.ExtensionType), "unknown_name", ed.Tag, nil) - extProp.m[key] = prop - return prop -} - -// HasExtension returns whether the given extension is present in pb. -func HasExtension(pb Message, extension *ExtensionDesc) bool { - // TODO: Check types, field numbers, etc.? - epb, err := extendable(pb) - if err != nil { - return false - } - extmap, mu := epb.extensionsRead() - if extmap == nil { - return false - } - mu.Lock() - _, ok := extmap[extension.Field] - mu.Unlock() - return ok -} - -// ClearExtension removes the given extension from pb. -func ClearExtension(pb Message, extension *ExtensionDesc) { - epb, err := extendable(pb) - if err != nil { - return - } - // TODO: Check types, field numbers, etc.? - extmap := epb.extensionsWrite() - delete(extmap, extension.Field) -} - -// GetExtension retrieves a proto2 extended field from pb. -// -// If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil), -// then GetExtension parses the encoded field and returns a Go value of the specified type. -// If the field is not present, then the default value is returned (if one is specified), -// otherwise ErrMissingExtension is reported. -// -// If the descriptor is not type complete (i.e., ExtensionDesc.ExtensionType is nil), -// then GetExtension returns the raw encoded bytes of the field extension. -func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) { - epb, err := extendable(pb) - if err != nil { - return nil, err - } - - if extension.ExtendedType != nil { - // can only check type if this is a complete descriptor - if err := checkExtensionTypes(epb, extension); err != nil { - return nil, err - } - } - - emap, mu := epb.extensionsRead() - if emap == nil { - return defaultExtensionValue(extension) - } - mu.Lock() - defer mu.Unlock() - e, ok := emap[extension.Field] - if !ok { - // defaultExtensionValue returns the default value or - // ErrMissingExtension if there is no default. - return defaultExtensionValue(extension) - } - - if e.value != nil { - // Already decoded. Check the descriptor, though. - if e.desc != extension { - // This shouldn't happen. If it does, it means that - // GetExtension was called twice with two different - // descriptors with the same field number. - return nil, errors.New("proto: descriptor conflict") - } - return e.value, nil - } - - if extension.ExtensionType == nil { - // incomplete descriptor - return e.enc, nil - } - - v, err := decodeExtension(e.enc, extension) - if err != nil { - return nil, err - } - - // Remember the decoded version and drop the encoded version. - // That way it is safe to mutate what we return. - e.value = v - e.desc = extension - e.enc = nil - emap[extension.Field] = e - return e.value, nil -} - -// defaultExtensionValue returns the default value for extension. -// If no default for an extension is defined ErrMissingExtension is returned. -func defaultExtensionValue(extension *ExtensionDesc) (interface{}, error) { - if extension.ExtensionType == nil { - // incomplete descriptor, so no default - return nil, ErrMissingExtension - } - - t := reflect.TypeOf(extension.ExtensionType) - props := extensionProperties(extension) - - sf, _, err := fieldDefault(t, props) - if err != nil { - return nil, err - } - - if sf == nil || sf.value == nil { - // There is no default value. - return nil, ErrMissingExtension - } - - if t.Kind() != reflect.Ptr { - // We do not need to return a Ptr, we can directly return sf.value. - return sf.value, nil - } - - // We need to return an interface{} that is a pointer to sf.value. - value := reflect.New(t).Elem() - value.Set(reflect.New(value.Type().Elem())) - if sf.kind == reflect.Int32 { - // We may have an int32 or an enum, but the underlying data is int32. - // Since we can't set an int32 into a non int32 reflect.value directly - // set it as a int32. - value.Elem().SetInt(int64(sf.value.(int32))) - } else { - value.Elem().Set(reflect.ValueOf(sf.value)) - } - return value.Interface(), nil -} - -// decodeExtension decodes an extension encoded in b. -func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) { - t := reflect.TypeOf(extension.ExtensionType) - unmarshal := typeUnmarshaler(t, extension.Tag) - - // t is a pointer to a struct, pointer to basic type or a slice. - // Allocate space to store the pointer/slice. - value := reflect.New(t).Elem() - - var err error - for { - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - wire := int(x) & 7 - - b, err = unmarshal(b, valToPointer(value.Addr()), wire) - if err != nil { - return nil, err - } - - if len(b) == 0 { - break - } - } - return value.Interface(), nil -} - -// GetExtensions returns a slice of the extensions present in pb that are also listed in es. -// The returned slice has the same length as es; missing extensions will appear as nil elements. -func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, err error) { - epb, err := extendable(pb) - if err != nil { - return nil, err - } - extensions = make([]interface{}, len(es)) - for i, e := range es { - extensions[i], err = GetExtension(epb, e) - if err == ErrMissingExtension { - err = nil - } - if err != nil { - return - } - } - return -} - -// ExtensionDescs returns a new slice containing pb's extension descriptors, in undefined order. -// For non-registered extensions, ExtensionDescs returns an incomplete descriptor containing -// just the Field field, which defines the extension's field number. -func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) { - epb, err := extendable(pb) - if err != nil { - return nil, err - } - registeredExtensions := RegisteredExtensions(pb) - - emap, mu := epb.extensionsRead() - if emap == nil { - return nil, nil - } - mu.Lock() - defer mu.Unlock() - extensions := make([]*ExtensionDesc, 0, len(emap)) - for extid, e := range emap { - desc := e.desc - if desc == nil { - desc = registeredExtensions[extid] - if desc == nil { - desc = &ExtensionDesc{Field: extid} - } - } - - extensions = append(extensions, desc) - } - return extensions, nil -} - -// SetExtension sets the specified extension of pb to the specified value. -func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error { - epb, err := extendable(pb) - if err != nil { - return err - } - if err := checkExtensionTypes(epb, extension); err != nil { - return err - } - typ := reflect.TypeOf(extension.ExtensionType) - if typ != reflect.TypeOf(value) { - return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", value, extension.ExtensionType) - } - // nil extension values need to be caught early, because the - // encoder can't distinguish an ErrNil due to a nil extension - // from an ErrNil due to a missing field. Extensions are - // always optional, so the encoder would just swallow the error - // and drop all the extensions from the encoded message. - if reflect.ValueOf(value).IsNil() { - return fmt.Errorf("proto: SetExtension called with nil value of type %T", value) - } - - extmap := epb.extensionsWrite() - extmap[extension.Field] = Extension{desc: extension, value: value} - return nil -} - -// ClearAllExtensions clears all extensions from pb. -func ClearAllExtensions(pb Message) { - epb, err := extendable(pb) - if err != nil { - return - } - m := epb.extensionsWrite() - for k := range m { - delete(m, k) - } -} - -// A global registry of extensions. -// The generated code will register the generated descriptors by calling RegisterExtension. - -var extensionMaps = make(map[reflect.Type]map[int32]*ExtensionDesc) - -// RegisterExtension is called from the generated code. -func RegisterExtension(desc *ExtensionDesc) { - st := reflect.TypeOf(desc.ExtendedType).Elem() - m := extensionMaps[st] - if m == nil { - m = make(map[int32]*ExtensionDesc) - extensionMaps[st] = m - } - if _, ok := m[desc.Field]; ok { - panic("proto: duplicate extension registered: " + st.String() + " " + strconv.Itoa(int(desc.Field))) - } - m[desc.Field] = desc -} - -// RegisteredExtensions returns a map of the registered extensions of a -// protocol buffer struct, indexed by the extension number. -// The argument pb should be a nil pointer to the struct type. -func RegisteredExtensions(pb Message) map[int32]*ExtensionDesc { - return extensionMaps[reflect.TypeOf(pb).Elem()] -} diff --git a/vendor/github.com/golang/protobuf/proto/lib.go b/vendor/github.com/golang/protobuf/proto/lib.go deleted file mode 100644 index c076dbd..0000000 --- a/vendor/github.com/golang/protobuf/proto/lib.go +++ /dev/null @@ -1,959 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2010 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -/* -Package proto converts data structures to and from the wire format of -protocol buffers. It works in concert with the Go source code generated -for .proto files by the protocol compiler. - -A summary of the properties of the protocol buffer interface -for a protocol buffer variable v: - - - Names are turned from camel_case to CamelCase for export. - - There are no methods on v to set fields; just treat - them as structure fields. - - There are getters that return a field's value if set, - and return the field's default value if unset. - The getters work even if the receiver is a nil message. - - The zero value for a struct is its correct initialization state. - All desired fields must be set before marshaling. - - A Reset() method will restore a protobuf struct to its zero state. - - Non-repeated fields are pointers to the values; nil means unset. - That is, optional or required field int32 f becomes F *int32. - - Repeated fields are slices. - - Helper functions are available to aid the setting of fields. - msg.Foo = proto.String("hello") // set field - - Constants are defined to hold the default values of all fields that - have them. They have the form Default_StructName_FieldName. - Because the getter methods handle defaulted values, - direct use of these constants should be rare. - - Enums are given type names and maps from names to values. - Enum values are prefixed by the enclosing message's name, or by the - enum's type name if it is a top-level enum. Enum types have a String - method, and a Enum method to assist in message construction. - - Nested messages, groups and enums have type names prefixed with the name of - the surrounding message type. - - Extensions are given descriptor names that start with E_, - followed by an underscore-delimited list of the nested messages - that contain it (if any) followed by the CamelCased name of the - extension field itself. HasExtension, ClearExtension, GetExtension - and SetExtension are functions for manipulating extensions. - - Oneof field sets are given a single field in their message, - with distinguished wrapper types for each possible field value. - - Marshal and Unmarshal are functions to encode and decode the wire format. - -When the .proto file specifies `syntax="proto3"`, there are some differences: - - - Non-repeated fields of non-message type are values instead of pointers. - - Enum types do not get an Enum method. - -The simplest way to describe this is to see an example. -Given file test.proto, containing - - package example; - - enum FOO { X = 17; } - - message Test { - required string label = 1; - optional int32 type = 2 [default=77]; - repeated int64 reps = 3; - optional group OptionalGroup = 4 { - required string RequiredField = 5; - } - oneof union { - int32 number = 6; - string name = 7; - } - } - -The resulting file, test.pb.go, is: - - package example - - import proto "github.com/golang/protobuf/proto" - import math "math" - - type FOO int32 - const ( - FOO_X FOO = 17 - ) - var FOO_name = map[int32]string{ - 17: "X", - } - var FOO_value = map[string]int32{ - "X": 17, - } - - func (x FOO) Enum() *FOO { - p := new(FOO) - *p = x - return p - } - func (x FOO) String() string { - return proto.EnumName(FOO_name, int32(x)) - } - func (x *FOO) UnmarshalJSON(data []byte) error { - value, err := proto.UnmarshalJSONEnum(FOO_value, data) - if err != nil { - return err - } - *x = FOO(value) - return nil - } - - type Test struct { - Label *string `protobuf:"bytes,1,req,name=label" json:"label,omitempty"` - Type *int32 `protobuf:"varint,2,opt,name=type,def=77" json:"type,omitempty"` - Reps []int64 `protobuf:"varint,3,rep,name=reps" json:"reps,omitempty"` - Optionalgroup *Test_OptionalGroup `protobuf:"group,4,opt,name=OptionalGroup" json:"optionalgroup,omitempty"` - // Types that are valid to be assigned to Union: - // *Test_Number - // *Test_Name - Union isTest_Union `protobuf_oneof:"union"` - XXX_unrecognized []byte `json:"-"` - } - func (m *Test) Reset() { *m = Test{} } - func (m *Test) String() string { return proto.CompactTextString(m) } - func (*Test) ProtoMessage() {} - - type isTest_Union interface { - isTest_Union() - } - - type Test_Number struct { - Number int32 `protobuf:"varint,6,opt,name=number"` - } - type Test_Name struct { - Name string `protobuf:"bytes,7,opt,name=name"` - } - - func (*Test_Number) isTest_Union() {} - func (*Test_Name) isTest_Union() {} - - func (m *Test) GetUnion() isTest_Union { - if m != nil { - return m.Union - } - return nil - } - const Default_Test_Type int32 = 77 - - func (m *Test) GetLabel() string { - if m != nil && m.Label != nil { - return *m.Label - } - return "" - } - - func (m *Test) GetType() int32 { - if m != nil && m.Type != nil { - return *m.Type - } - return Default_Test_Type - } - - func (m *Test) GetOptionalgroup() *Test_OptionalGroup { - if m != nil { - return m.Optionalgroup - } - return nil - } - - type Test_OptionalGroup struct { - RequiredField *string `protobuf:"bytes,5,req" json:"RequiredField,omitempty"` - } - func (m *Test_OptionalGroup) Reset() { *m = Test_OptionalGroup{} } - func (m *Test_OptionalGroup) String() string { return proto.CompactTextString(m) } - - func (m *Test_OptionalGroup) GetRequiredField() string { - if m != nil && m.RequiredField != nil { - return *m.RequiredField - } - return "" - } - - func (m *Test) GetNumber() int32 { - if x, ok := m.GetUnion().(*Test_Number); ok { - return x.Number - } - return 0 - } - - func (m *Test) GetName() string { - if x, ok := m.GetUnion().(*Test_Name); ok { - return x.Name - } - return "" - } - - func init() { - proto.RegisterEnum("example.FOO", FOO_name, FOO_value) - } - -To create and play with a Test object: - - package main - - import ( - "log" - - "github.com/golang/protobuf/proto" - pb "./example.pb" - ) - - func main() { - test := &pb.Test{ - Label: proto.String("hello"), - Type: proto.Int32(17), - Reps: []int64{1, 2, 3}, - Optionalgroup: &pb.Test_OptionalGroup{ - RequiredField: proto.String("good bye"), - }, - Union: &pb.Test_Name{"fred"}, - } - data, err := proto.Marshal(test) - if err != nil { - log.Fatal("marshaling error: ", err) - } - newTest := &pb.Test{} - err = proto.Unmarshal(data, newTest) - if err != nil { - log.Fatal("unmarshaling error: ", err) - } - // Now test and newTest contain the same data. - if test.GetLabel() != newTest.GetLabel() { - log.Fatalf("data mismatch %q != %q", test.GetLabel(), newTest.GetLabel()) - } - // Use a type switch to determine which oneof was set. - switch u := test.Union.(type) { - case *pb.Test_Number: // u.Number contains the number. - case *pb.Test_Name: // u.Name contains the string. - } - // etc. - } -*/ -package proto - -import ( - "encoding/json" - "fmt" - "log" - "reflect" - "sort" - "strconv" - "sync" -) - -// RequiredNotSetError is an error type returned by either Marshal or Unmarshal. -// Marshal reports this when a required field is not initialized. -// Unmarshal reports this when a required field is missing from the wire data. -type RequiredNotSetError struct{ field string } - -func (e *RequiredNotSetError) Error() string { - if e.field == "" { - return fmt.Sprintf("proto: required field not set") - } - return fmt.Sprintf("proto: required field %q not set", e.field) -} -func (e *RequiredNotSetError) RequiredNotSet() bool { - return true -} - -type invalidUTF8Error struct{ field string } - -func (e *invalidUTF8Error) Error() string { - if e.field == "" { - return "proto: invalid UTF-8 detected" - } - return fmt.Sprintf("proto: field %q contains invalid UTF-8", e.field) -} -func (e *invalidUTF8Error) InvalidUTF8() bool { - return true -} - -// errInvalidUTF8 is a sentinel error to identify fields with invalid UTF-8. -// This error should not be exposed to the external API as such errors should -// be recreated with the field information. -var errInvalidUTF8 = &invalidUTF8Error{} - -// isNonFatal reports whether the error is either a RequiredNotSet error -// or a InvalidUTF8 error. -func isNonFatal(err error) bool { - if re, ok := err.(interface{ RequiredNotSet() bool }); ok && re.RequiredNotSet() { - return true - } - if re, ok := err.(interface{ InvalidUTF8() bool }); ok && re.InvalidUTF8() { - return true - } - return false -} - -type nonFatal struct{ E error } - -// Merge merges err into nf and reports whether it was successful. -// Otherwise it returns false for any fatal non-nil errors. -func (nf *nonFatal) Merge(err error) (ok bool) { - if err == nil { - return true // not an error - } - if !isNonFatal(err) { - return false // fatal error - } - if nf.E == nil { - nf.E = err // store first instance of non-fatal error - } - return true -} - -// Message is implemented by generated protocol buffer messages. -type Message interface { - Reset() - String() string - ProtoMessage() -} - -// A Buffer is a buffer manager for marshaling and unmarshaling -// protocol buffers. It may be reused between invocations to -// reduce memory usage. It is not necessary to use a Buffer; -// the global functions Marshal and Unmarshal create a -// temporary Buffer and are fine for most applications. -type Buffer struct { - buf []byte // encode/decode byte stream - index int // read point - - deterministic bool -} - -// NewBuffer allocates a new Buffer and initializes its internal data to -// the contents of the argument slice. -func NewBuffer(e []byte) *Buffer { - return &Buffer{buf: e} -} - -// Reset resets the Buffer, ready for marshaling a new protocol buffer. -func (p *Buffer) Reset() { - p.buf = p.buf[0:0] // for reading/writing - p.index = 0 // for reading -} - -// SetBuf replaces the internal buffer with the slice, -// ready for unmarshaling the contents of the slice. -func (p *Buffer) SetBuf(s []byte) { - p.buf = s - p.index = 0 -} - -// Bytes returns the contents of the Buffer. -func (p *Buffer) Bytes() []byte { return p.buf } - -// SetDeterministic sets whether to use deterministic serialization. -// -// Deterministic serialization guarantees that for a given binary, equal -// messages will always be serialized to the same bytes. This implies: -// -// - Repeated serialization of a message will return the same bytes. -// - Different processes of the same binary (which may be executing on -// different machines) will serialize equal messages to the same bytes. -// -// Note that the deterministic serialization is NOT canonical across -// languages. It is not guaranteed to remain stable over time. It is unstable -// across different builds with schema changes due to unknown fields. -// Users who need canonical serialization (e.g., persistent storage in a -// canonical form, fingerprinting, etc.) should define their own -// canonicalization specification and implement their own serializer rather -// than relying on this API. -// -// If deterministic serialization is requested, map entries will be sorted -// by keys in lexographical order. This is an implementation detail and -// subject to change. -func (p *Buffer) SetDeterministic(deterministic bool) { - p.deterministic = deterministic -} - -/* - * Helper routines for simplifying the creation of optional fields of basic type. - */ - -// Bool is a helper routine that allocates a new bool value -// to store v and returns a pointer to it. -func Bool(v bool) *bool { - return &v -} - -// Int32 is a helper routine that allocates a new int32 value -// to store v and returns a pointer to it. -func Int32(v int32) *int32 { - return &v -} - -// Int is a helper routine that allocates a new int32 value -// to store v and returns a pointer to it, but unlike Int32 -// its argument value is an int. -func Int(v int) *int32 { - p := new(int32) - *p = int32(v) - return p -} - -// Int64 is a helper routine that allocates a new int64 value -// to store v and returns a pointer to it. -func Int64(v int64) *int64 { - return &v -} - -// Float32 is a helper routine that allocates a new float32 value -// to store v and returns a pointer to it. -func Float32(v float32) *float32 { - return &v -} - -// Float64 is a helper routine that allocates a new float64 value -// to store v and returns a pointer to it. -func Float64(v float64) *float64 { - return &v -} - -// Uint32 is a helper routine that allocates a new uint32 value -// to store v and returns a pointer to it. -func Uint32(v uint32) *uint32 { - return &v -} - -// Uint64 is a helper routine that allocates a new uint64 value -// to store v and returns a pointer to it. -func Uint64(v uint64) *uint64 { - return &v -} - -// String is a helper routine that allocates a new string value -// to store v and returns a pointer to it. -func String(v string) *string { - return &v -} - -// EnumName is a helper function to simplify printing protocol buffer enums -// by name. Given an enum map and a value, it returns a useful string. -func EnumName(m map[int32]string, v int32) string { - s, ok := m[v] - if ok { - return s - } - return strconv.Itoa(int(v)) -} - -// UnmarshalJSONEnum is a helper function to simplify recovering enum int values -// from their JSON-encoded representation. Given a map from the enum's symbolic -// names to its int values, and a byte buffer containing the JSON-encoded -// value, it returns an int32 that can be cast to the enum type by the caller. -// -// The function can deal with both JSON representations, numeric and symbolic. -func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) { - if data[0] == '"' { - // New style: enums are strings. - var repr string - if err := json.Unmarshal(data, &repr); err != nil { - return -1, err - } - val, ok := m[repr] - if !ok { - return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr) - } - return val, nil - } - // Old style: enums are ints. - var val int32 - if err := json.Unmarshal(data, &val); err != nil { - return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName) - } - return val, nil -} - -// DebugPrint dumps the encoded data in b in a debugging format with a header -// including the string s. Used in testing but made available for general debugging. -func (p *Buffer) DebugPrint(s string, b []byte) { - var u uint64 - - obuf := p.buf - index := p.index - p.buf = b - p.index = 0 - depth := 0 - - fmt.Printf("\n--- %s ---\n", s) - -out: - for { - for i := 0; i < depth; i++ { - fmt.Print(" ") - } - - index := p.index - if index == len(p.buf) { - break - } - - op, err := p.DecodeVarint() - if err != nil { - fmt.Printf("%3d: fetching op err %v\n", index, err) - break out - } - tag := op >> 3 - wire := op & 7 - - switch wire { - default: - fmt.Printf("%3d: t=%3d unknown wire=%d\n", - index, tag, wire) - break out - - case WireBytes: - var r []byte - - r, err = p.DecodeRawBytes(false) - if err != nil { - break out - } - fmt.Printf("%3d: t=%3d bytes [%d]", index, tag, len(r)) - if len(r) <= 6 { - for i := 0; i < len(r); i++ { - fmt.Printf(" %.2x", r[i]) - } - } else { - for i := 0; i < 3; i++ { - fmt.Printf(" %.2x", r[i]) - } - fmt.Printf(" ..") - for i := len(r) - 3; i < len(r); i++ { - fmt.Printf(" %.2x", r[i]) - } - } - fmt.Printf("\n") - - case WireFixed32: - u, err = p.DecodeFixed32() - if err != nil { - fmt.Printf("%3d: t=%3d fix32 err %v\n", index, tag, err) - break out - } - fmt.Printf("%3d: t=%3d fix32 %d\n", index, tag, u) - - case WireFixed64: - u, err = p.DecodeFixed64() - if err != nil { - fmt.Printf("%3d: t=%3d fix64 err %v\n", index, tag, err) - break out - } - fmt.Printf("%3d: t=%3d fix64 %d\n", index, tag, u) - - case WireVarint: - u, err = p.DecodeVarint() - if err != nil { - fmt.Printf("%3d: t=%3d varint err %v\n", index, tag, err) - break out - } - fmt.Printf("%3d: t=%3d varint %d\n", index, tag, u) - - case WireStartGroup: - fmt.Printf("%3d: t=%3d start\n", index, tag) - depth++ - - case WireEndGroup: - depth-- - fmt.Printf("%3d: t=%3d end\n", index, tag) - } - } - - if depth != 0 { - fmt.Printf("%3d: start-end not balanced %d\n", p.index, depth) - } - fmt.Printf("\n") - - p.buf = obuf - p.index = index -} - -// SetDefaults sets unset protocol buffer fields to their default values. -// It only modifies fields that are both unset and have defined defaults. -// It recursively sets default values in any non-nil sub-messages. -func SetDefaults(pb Message) { - setDefaults(reflect.ValueOf(pb), true, false) -} - -// v is a pointer to a struct. -func setDefaults(v reflect.Value, recur, zeros bool) { - v = v.Elem() - - defaultMu.RLock() - dm, ok := defaults[v.Type()] - defaultMu.RUnlock() - if !ok { - dm = buildDefaultMessage(v.Type()) - defaultMu.Lock() - defaults[v.Type()] = dm - defaultMu.Unlock() - } - - for _, sf := range dm.scalars { - f := v.Field(sf.index) - if !f.IsNil() { - // field already set - continue - } - dv := sf.value - if dv == nil && !zeros { - // no explicit default, and don't want to set zeros - continue - } - fptr := f.Addr().Interface() // **T - // TODO: Consider batching the allocations we do here. - switch sf.kind { - case reflect.Bool: - b := new(bool) - if dv != nil { - *b = dv.(bool) - } - *(fptr.(**bool)) = b - case reflect.Float32: - f := new(float32) - if dv != nil { - *f = dv.(float32) - } - *(fptr.(**float32)) = f - case reflect.Float64: - f := new(float64) - if dv != nil { - *f = dv.(float64) - } - *(fptr.(**float64)) = f - case reflect.Int32: - // might be an enum - if ft := f.Type(); ft != int32PtrType { - // enum - f.Set(reflect.New(ft.Elem())) - if dv != nil { - f.Elem().SetInt(int64(dv.(int32))) - } - } else { - // int32 field - i := new(int32) - if dv != nil { - *i = dv.(int32) - } - *(fptr.(**int32)) = i - } - case reflect.Int64: - i := new(int64) - if dv != nil { - *i = dv.(int64) - } - *(fptr.(**int64)) = i - case reflect.String: - s := new(string) - if dv != nil { - *s = dv.(string) - } - *(fptr.(**string)) = s - case reflect.Uint8: - // exceptional case: []byte - var b []byte - if dv != nil { - db := dv.([]byte) - b = make([]byte, len(db)) - copy(b, db) - } else { - b = []byte{} - } - *(fptr.(*[]byte)) = b - case reflect.Uint32: - u := new(uint32) - if dv != nil { - *u = dv.(uint32) - } - *(fptr.(**uint32)) = u - case reflect.Uint64: - u := new(uint64) - if dv != nil { - *u = dv.(uint64) - } - *(fptr.(**uint64)) = u - default: - log.Printf("proto: can't set default for field %v (sf.kind=%v)", f, sf.kind) - } - } - - for _, ni := range dm.nested { - f := v.Field(ni) - // f is *T or []*T or map[T]*T - switch f.Kind() { - case reflect.Ptr: - if f.IsNil() { - continue - } - setDefaults(f, recur, zeros) - - case reflect.Slice: - for i := 0; i < f.Len(); i++ { - e := f.Index(i) - if e.IsNil() { - continue - } - setDefaults(e, recur, zeros) - } - - case reflect.Map: - for _, k := range f.MapKeys() { - e := f.MapIndex(k) - if e.IsNil() { - continue - } - setDefaults(e, recur, zeros) - } - } - } -} - -var ( - // defaults maps a protocol buffer struct type to a slice of the fields, - // with its scalar fields set to their proto-declared non-zero default values. - defaultMu sync.RWMutex - defaults = make(map[reflect.Type]defaultMessage) - - int32PtrType = reflect.TypeOf((*int32)(nil)) -) - -// defaultMessage represents information about the default values of a message. -type defaultMessage struct { - scalars []scalarField - nested []int // struct field index of nested messages -} - -type scalarField struct { - index int // struct field index - kind reflect.Kind // element type (the T in *T or []T) - value interface{} // the proto-declared default value, or nil -} - -// t is a struct type. -func buildDefaultMessage(t reflect.Type) (dm defaultMessage) { - sprop := GetProperties(t) - for _, prop := range sprop.Prop { - fi, ok := sprop.decoderTags.get(prop.Tag) - if !ok { - // XXX_unrecognized - continue - } - ft := t.Field(fi).Type - - sf, nested, err := fieldDefault(ft, prop) - switch { - case err != nil: - log.Print(err) - case nested: - dm.nested = append(dm.nested, fi) - case sf != nil: - sf.index = fi - dm.scalars = append(dm.scalars, *sf) - } - } - - return dm -} - -// fieldDefault returns the scalarField for field type ft. -// sf will be nil if the field can not have a default. -// nestedMessage will be true if this is a nested message. -// Note that sf.index is not set on return. -func fieldDefault(ft reflect.Type, prop *Properties) (sf *scalarField, nestedMessage bool, err error) { - var canHaveDefault bool - switch ft.Kind() { - case reflect.Ptr: - if ft.Elem().Kind() == reflect.Struct { - nestedMessage = true - } else { - canHaveDefault = true // proto2 scalar field - } - - case reflect.Slice: - switch ft.Elem().Kind() { - case reflect.Ptr: - nestedMessage = true // repeated message - case reflect.Uint8: - canHaveDefault = true // bytes field - } - - case reflect.Map: - if ft.Elem().Kind() == reflect.Ptr { - nestedMessage = true // map with message values - } - } - - if !canHaveDefault { - if nestedMessage { - return nil, true, nil - } - return nil, false, nil - } - - // We now know that ft is a pointer or slice. - sf = &scalarField{kind: ft.Elem().Kind()} - - // scalar fields without defaults - if !prop.HasDefault { - return sf, false, nil - } - - // a scalar field: either *T or []byte - switch ft.Elem().Kind() { - case reflect.Bool: - x, err := strconv.ParseBool(prop.Default) - if err != nil { - return nil, false, fmt.Errorf("proto: bad default bool %q: %v", prop.Default, err) - } - sf.value = x - case reflect.Float32: - x, err := strconv.ParseFloat(prop.Default, 32) - if err != nil { - return nil, false, fmt.Errorf("proto: bad default float32 %q: %v", prop.Default, err) - } - sf.value = float32(x) - case reflect.Float64: - x, err := strconv.ParseFloat(prop.Default, 64) - if err != nil { - return nil, false, fmt.Errorf("proto: bad default float64 %q: %v", prop.Default, err) - } - sf.value = x - case reflect.Int32: - x, err := strconv.ParseInt(prop.Default, 10, 32) - if err != nil { - return nil, false, fmt.Errorf("proto: bad default int32 %q: %v", prop.Default, err) - } - sf.value = int32(x) - case reflect.Int64: - x, err := strconv.ParseInt(prop.Default, 10, 64) - if err != nil { - return nil, false, fmt.Errorf("proto: bad default int64 %q: %v", prop.Default, err) - } - sf.value = x - case reflect.String: - sf.value = prop.Default - case reflect.Uint8: - // []byte (not *uint8) - sf.value = []byte(prop.Default) - case reflect.Uint32: - x, err := strconv.ParseUint(prop.Default, 10, 32) - if err != nil { - return nil, false, fmt.Errorf("proto: bad default uint32 %q: %v", prop.Default, err) - } - sf.value = uint32(x) - case reflect.Uint64: - x, err := strconv.ParseUint(prop.Default, 10, 64) - if err != nil { - return nil, false, fmt.Errorf("proto: bad default uint64 %q: %v", prop.Default, err) - } - sf.value = x - default: - return nil, false, fmt.Errorf("proto: unhandled def kind %v", ft.Elem().Kind()) - } - - return sf, false, nil -} - -// mapKeys returns a sort.Interface to be used for sorting the map keys. -// Map fields may have key types of non-float scalars, strings and enums. -func mapKeys(vs []reflect.Value) sort.Interface { - s := mapKeySorter{vs: vs} - - // Type specialization per https://developers.google.com/protocol-buffers/docs/proto#maps. - if len(vs) == 0 { - return s - } - switch vs[0].Kind() { - case reflect.Int32, reflect.Int64: - s.less = func(a, b reflect.Value) bool { return a.Int() < b.Int() } - case reflect.Uint32, reflect.Uint64: - s.less = func(a, b reflect.Value) bool { return a.Uint() < b.Uint() } - case reflect.Bool: - s.less = func(a, b reflect.Value) bool { return !a.Bool() && b.Bool() } // false < true - case reflect.String: - s.less = func(a, b reflect.Value) bool { return a.String() < b.String() } - default: - panic(fmt.Sprintf("unsupported map key type: %v", vs[0].Kind())) - } - - return s -} - -type mapKeySorter struct { - vs []reflect.Value - less func(a, b reflect.Value) bool -} - -func (s mapKeySorter) Len() int { return len(s.vs) } -func (s mapKeySorter) Swap(i, j int) { s.vs[i], s.vs[j] = s.vs[j], s.vs[i] } -func (s mapKeySorter) Less(i, j int) bool { - return s.less(s.vs[i], s.vs[j]) -} - -// isProto3Zero reports whether v is a zero proto3 value. -func isProto3Zero(v reflect.Value) bool { - switch v.Kind() { - case reflect.Bool: - return !v.Bool() - case reflect.Int32, reflect.Int64: - return v.Int() == 0 - case reflect.Uint32, reflect.Uint64: - return v.Uint() == 0 - case reflect.Float32, reflect.Float64: - return v.Float() == 0 - case reflect.String: - return v.String() == "" - } - return false -} - -// ProtoPackageIsVersion2 is referenced from generated protocol buffer files -// to assert that that code is compatible with this version of the proto package. -const ProtoPackageIsVersion2 = true - -// ProtoPackageIsVersion1 is referenced from generated protocol buffer files -// to assert that that code is compatible with this version of the proto package. -const ProtoPackageIsVersion1 = true - -// InternalMessageInfo is a type used internally by generated .pb.go files. -// This type is not intended to be used by non-generated code. -// This type is not subject to any compatibility guarantee. -type InternalMessageInfo struct { - marshal *marshalInfo - unmarshal *unmarshalInfo - merge *mergeInfo - discard *discardInfo -} diff --git a/vendor/github.com/golang/protobuf/proto/message_set.go b/vendor/github.com/golang/protobuf/proto/message_set.go deleted file mode 100644 index 3b6ca41..0000000 --- a/vendor/github.com/golang/protobuf/proto/message_set.go +++ /dev/null @@ -1,314 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2010 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -/* - * Support for message sets. - */ - -import ( - "bytes" - "encoding/json" - "errors" - "fmt" - "reflect" - "sort" - "sync" -) - -// errNoMessageTypeID occurs when a protocol buffer does not have a message type ID. -// A message type ID is required for storing a protocol buffer in a message set. -var errNoMessageTypeID = errors.New("proto does not have a message type ID") - -// The first two types (_MessageSet_Item and messageSet) -// model what the protocol compiler produces for the following protocol message: -// message MessageSet { -// repeated group Item = 1 { -// required int32 type_id = 2; -// required string message = 3; -// }; -// } -// That is the MessageSet wire format. We can't use a proto to generate these -// because that would introduce a circular dependency between it and this package. - -type _MessageSet_Item struct { - TypeId *int32 `protobuf:"varint,2,req,name=type_id"` - Message []byte `protobuf:"bytes,3,req,name=message"` -} - -type messageSet struct { - Item []*_MessageSet_Item `protobuf:"group,1,rep"` - XXX_unrecognized []byte - // TODO: caching? -} - -// Make sure messageSet is a Message. -var _ Message = (*messageSet)(nil) - -// messageTypeIder is an interface satisfied by a protocol buffer type -// that may be stored in a MessageSet. -type messageTypeIder interface { - MessageTypeId() int32 -} - -func (ms *messageSet) find(pb Message) *_MessageSet_Item { - mti, ok := pb.(messageTypeIder) - if !ok { - return nil - } - id := mti.MessageTypeId() - for _, item := range ms.Item { - if *item.TypeId == id { - return item - } - } - return nil -} - -func (ms *messageSet) Has(pb Message) bool { - return ms.find(pb) != nil -} - -func (ms *messageSet) Unmarshal(pb Message) error { - if item := ms.find(pb); item != nil { - return Unmarshal(item.Message, pb) - } - if _, ok := pb.(messageTypeIder); !ok { - return errNoMessageTypeID - } - return nil // TODO: return error instead? -} - -func (ms *messageSet) Marshal(pb Message) error { - msg, err := Marshal(pb) - if err != nil { - return err - } - if item := ms.find(pb); item != nil { - // reuse existing item - item.Message = msg - return nil - } - - mti, ok := pb.(messageTypeIder) - if !ok { - return errNoMessageTypeID - } - - mtid := mti.MessageTypeId() - ms.Item = append(ms.Item, &_MessageSet_Item{ - TypeId: &mtid, - Message: msg, - }) - return nil -} - -func (ms *messageSet) Reset() { *ms = messageSet{} } -func (ms *messageSet) String() string { return CompactTextString(ms) } -func (*messageSet) ProtoMessage() {} - -// Support for the message_set_wire_format message option. - -func skipVarint(buf []byte) []byte { - i := 0 - for ; buf[i]&0x80 != 0; i++ { - } - return buf[i+1:] -} - -// MarshalMessageSet encodes the extension map represented by m in the message set wire format. -// It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option. -func MarshalMessageSet(exts interface{}) ([]byte, error) { - return marshalMessageSet(exts, false) -} - -// marshaMessageSet implements above function, with the opt to turn on / off deterministic during Marshal. -func marshalMessageSet(exts interface{}, deterministic bool) ([]byte, error) { - switch exts := exts.(type) { - case *XXX_InternalExtensions: - var u marshalInfo - siz := u.sizeMessageSet(exts) - b := make([]byte, 0, siz) - return u.appendMessageSet(b, exts, deterministic) - - case map[int32]Extension: - // This is an old-style extension map. - // Wrap it in a new-style XXX_InternalExtensions. - ie := XXX_InternalExtensions{ - p: &struct { - mu sync.Mutex - extensionMap map[int32]Extension - }{ - extensionMap: exts, - }, - } - - var u marshalInfo - siz := u.sizeMessageSet(&ie) - b := make([]byte, 0, siz) - return u.appendMessageSet(b, &ie, deterministic) - - default: - return nil, errors.New("proto: not an extension map") - } -} - -// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format. -// It is called by Unmarshal methods on protocol buffer messages with the message_set_wire_format option. -func UnmarshalMessageSet(buf []byte, exts interface{}) error { - var m map[int32]Extension - switch exts := exts.(type) { - case *XXX_InternalExtensions: - m = exts.extensionsWrite() - case map[int32]Extension: - m = exts - default: - return errors.New("proto: not an extension map") - } - - ms := new(messageSet) - if err := Unmarshal(buf, ms); err != nil { - return err - } - for _, item := range ms.Item { - id := *item.TypeId - msg := item.Message - - // Restore wire type and field number varint, plus length varint. - // Be careful to preserve duplicate items. - b := EncodeVarint(uint64(id)<<3 | WireBytes) - if ext, ok := m[id]; ok { - // Existing data; rip off the tag and length varint - // so we join the new data correctly. - // We can assume that ext.enc is set because we are unmarshaling. - o := ext.enc[len(b):] // skip wire type and field number - _, n := DecodeVarint(o) // calculate length of length varint - o = o[n:] // skip length varint - msg = append(o, msg...) // join old data and new data - } - b = append(b, EncodeVarint(uint64(len(msg)))...) - b = append(b, msg...) - - m[id] = Extension{enc: b} - } - return nil -} - -// MarshalMessageSetJSON encodes the extension map represented by m in JSON format. -// It is called by generated MarshalJSON methods on protocol buffer messages with the message_set_wire_format option. -func MarshalMessageSetJSON(exts interface{}) ([]byte, error) { - var m map[int32]Extension - switch exts := exts.(type) { - case *XXX_InternalExtensions: - var mu sync.Locker - m, mu = exts.extensionsRead() - if m != nil { - // Keep the extensions map locked until we're done marshaling to prevent - // races between marshaling and unmarshaling the lazily-{en,de}coded - // values. - mu.Lock() - defer mu.Unlock() - } - case map[int32]Extension: - m = exts - default: - return nil, errors.New("proto: not an extension map") - } - var b bytes.Buffer - b.WriteByte('{') - - // Process the map in key order for deterministic output. - ids := make([]int32, 0, len(m)) - for id := range m { - ids = append(ids, id) - } - sort.Sort(int32Slice(ids)) // int32Slice defined in text.go - - for i, id := range ids { - ext := m[id] - msd, ok := messageSetMap[id] - if !ok { - // Unknown type; we can't render it, so skip it. - continue - } - - if i > 0 && b.Len() > 1 { - b.WriteByte(',') - } - - fmt.Fprintf(&b, `"[%s]":`, msd.name) - - x := ext.value - if x == nil { - x = reflect.New(msd.t.Elem()).Interface() - if err := Unmarshal(ext.enc, x.(Message)); err != nil { - return nil, err - } - } - d, err := json.Marshal(x) - if err != nil { - return nil, err - } - b.Write(d) - } - b.WriteByte('}') - return b.Bytes(), nil -} - -// UnmarshalMessageSetJSON decodes the extension map encoded in buf in JSON format. -// It is called by generated UnmarshalJSON methods on protocol buffer messages with the message_set_wire_format option. -func UnmarshalMessageSetJSON(buf []byte, exts interface{}) error { - // Common-case fast path. - if len(buf) == 0 || bytes.Equal(buf, []byte("{}")) { - return nil - } - - // This is fairly tricky, and it's not clear that it is needed. - return errors.New("TODO: UnmarshalMessageSetJSON not yet implemented") -} - -// A global registry of types that can be used in a MessageSet. - -var messageSetMap = make(map[int32]messageSetDesc) - -type messageSetDesc struct { - t reflect.Type // pointer to struct - name string -} - -// RegisterMessageSetType is called from the generated code. -func RegisterMessageSetType(m Message, fieldNum int32, name string) { - messageSetMap[fieldNum] = messageSetDesc{ - t: reflect.TypeOf(m), - name: name, - } -} diff --git a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go deleted file mode 100644 index b6cad90..0000000 --- a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go +++ /dev/null @@ -1,357 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2012 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// +build purego appengine js - -// This file contains an implementation of proto field accesses using package reflect. -// It is slower than the code in pointer_unsafe.go but it avoids package unsafe and can -// be used on App Engine. - -package proto - -import ( - "reflect" - "sync" -) - -const unsafeAllowed = false - -// A field identifies a field in a struct, accessible from a pointer. -// In this implementation, a field is identified by the sequence of field indices -// passed to reflect's FieldByIndex. -type field []int - -// toField returns a field equivalent to the given reflect field. -func toField(f *reflect.StructField) field { - return f.Index -} - -// invalidField is an invalid field identifier. -var invalidField = field(nil) - -// zeroField is a noop when calling pointer.offset. -var zeroField = field([]int{}) - -// IsValid reports whether the field identifier is valid. -func (f field) IsValid() bool { return f != nil } - -// The pointer type is for the table-driven decoder. -// The implementation here uses a reflect.Value of pointer type to -// create a generic pointer. In pointer_unsafe.go we use unsafe -// instead of reflect to implement the same (but faster) interface. -type pointer struct { - v reflect.Value -} - -// toPointer converts an interface of pointer type to a pointer -// that points to the same target. -func toPointer(i *Message) pointer { - return pointer{v: reflect.ValueOf(*i)} -} - -// toAddrPointer converts an interface to a pointer that points to -// the interface data. -func toAddrPointer(i *interface{}, isptr bool) pointer { - v := reflect.ValueOf(*i) - u := reflect.New(v.Type()) - u.Elem().Set(v) - return pointer{v: u} -} - -// valToPointer converts v to a pointer. v must be of pointer type. -func valToPointer(v reflect.Value) pointer { - return pointer{v: v} -} - -// offset converts from a pointer to a structure to a pointer to -// one of its fields. -func (p pointer) offset(f field) pointer { - return pointer{v: p.v.Elem().FieldByIndex(f).Addr()} -} - -func (p pointer) isNil() bool { - return p.v.IsNil() -} - -// grow updates the slice s in place to make it one element longer. -// s must be addressable. -// Returns the (addressable) new element. -func grow(s reflect.Value) reflect.Value { - n, m := s.Len(), s.Cap() - if n < m { - s.SetLen(n + 1) - } else { - s.Set(reflect.Append(s, reflect.Zero(s.Type().Elem()))) - } - return s.Index(n) -} - -func (p pointer) toInt64() *int64 { - return p.v.Interface().(*int64) -} -func (p pointer) toInt64Ptr() **int64 { - return p.v.Interface().(**int64) -} -func (p pointer) toInt64Slice() *[]int64 { - return p.v.Interface().(*[]int64) -} - -var int32ptr = reflect.TypeOf((*int32)(nil)) - -func (p pointer) toInt32() *int32 { - return p.v.Convert(int32ptr).Interface().(*int32) -} - -// The toInt32Ptr/Slice methods don't work because of enums. -// Instead, we must use set/get methods for the int32ptr/slice case. -/* - func (p pointer) toInt32Ptr() **int32 { - return p.v.Interface().(**int32) -} - func (p pointer) toInt32Slice() *[]int32 { - return p.v.Interface().(*[]int32) -} -*/ -func (p pointer) getInt32Ptr() *int32 { - if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) { - // raw int32 type - return p.v.Elem().Interface().(*int32) - } - // an enum - return p.v.Elem().Convert(int32PtrType).Interface().(*int32) -} -func (p pointer) setInt32Ptr(v int32) { - // Allocate value in a *int32. Possibly convert that to a *enum. - // Then assign it to a **int32 or **enum. - // Note: we can convert *int32 to *enum, but we can't convert - // **int32 to **enum! - p.v.Elem().Set(reflect.ValueOf(&v).Convert(p.v.Type().Elem())) -} - -// getInt32Slice copies []int32 from p as a new slice. -// This behavior differs from the implementation in pointer_unsafe.go. -func (p pointer) getInt32Slice() []int32 { - if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) { - // raw int32 type - return p.v.Elem().Interface().([]int32) - } - // an enum - // Allocate a []int32, then assign []enum's values into it. - // Note: we can't convert []enum to []int32. - slice := p.v.Elem() - s := make([]int32, slice.Len()) - for i := 0; i < slice.Len(); i++ { - s[i] = int32(slice.Index(i).Int()) - } - return s -} - -// setInt32Slice copies []int32 into p as a new slice. -// This behavior differs from the implementation in pointer_unsafe.go. -func (p pointer) setInt32Slice(v []int32) { - if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) { - // raw int32 type - p.v.Elem().Set(reflect.ValueOf(v)) - return - } - // an enum - // Allocate a []enum, then assign []int32's values into it. - // Note: we can't convert []enum to []int32. - slice := reflect.MakeSlice(p.v.Type().Elem(), len(v), cap(v)) - for i, x := range v { - slice.Index(i).SetInt(int64(x)) - } - p.v.Elem().Set(slice) -} -func (p pointer) appendInt32Slice(v int32) { - grow(p.v.Elem()).SetInt(int64(v)) -} - -func (p pointer) toUint64() *uint64 { - return p.v.Interface().(*uint64) -} -func (p pointer) toUint64Ptr() **uint64 { - return p.v.Interface().(**uint64) -} -func (p pointer) toUint64Slice() *[]uint64 { - return p.v.Interface().(*[]uint64) -} -func (p pointer) toUint32() *uint32 { - return p.v.Interface().(*uint32) -} -func (p pointer) toUint32Ptr() **uint32 { - return p.v.Interface().(**uint32) -} -func (p pointer) toUint32Slice() *[]uint32 { - return p.v.Interface().(*[]uint32) -} -func (p pointer) toBool() *bool { - return p.v.Interface().(*bool) -} -func (p pointer) toBoolPtr() **bool { - return p.v.Interface().(**bool) -} -func (p pointer) toBoolSlice() *[]bool { - return p.v.Interface().(*[]bool) -} -func (p pointer) toFloat64() *float64 { - return p.v.Interface().(*float64) -} -func (p pointer) toFloat64Ptr() **float64 { - return p.v.Interface().(**float64) -} -func (p pointer) toFloat64Slice() *[]float64 { - return p.v.Interface().(*[]float64) -} -func (p pointer) toFloat32() *float32 { - return p.v.Interface().(*float32) -} -func (p pointer) toFloat32Ptr() **float32 { - return p.v.Interface().(**float32) -} -func (p pointer) toFloat32Slice() *[]float32 { - return p.v.Interface().(*[]float32) -} -func (p pointer) toString() *string { - return p.v.Interface().(*string) -} -func (p pointer) toStringPtr() **string { - return p.v.Interface().(**string) -} -func (p pointer) toStringSlice() *[]string { - return p.v.Interface().(*[]string) -} -func (p pointer) toBytes() *[]byte { - return p.v.Interface().(*[]byte) -} -func (p pointer) toBytesSlice() *[][]byte { - return p.v.Interface().(*[][]byte) -} -func (p pointer) toExtensions() *XXX_InternalExtensions { - return p.v.Interface().(*XXX_InternalExtensions) -} -func (p pointer) toOldExtensions() *map[int32]Extension { - return p.v.Interface().(*map[int32]Extension) -} -func (p pointer) getPointer() pointer { - return pointer{v: p.v.Elem()} -} -func (p pointer) setPointer(q pointer) { - p.v.Elem().Set(q.v) -} -func (p pointer) appendPointer(q pointer) { - grow(p.v.Elem()).Set(q.v) -} - -// getPointerSlice copies []*T from p as a new []pointer. -// This behavior differs from the implementation in pointer_unsafe.go. -func (p pointer) getPointerSlice() []pointer { - if p.v.IsNil() { - return nil - } - n := p.v.Elem().Len() - s := make([]pointer, n) - for i := 0; i < n; i++ { - s[i] = pointer{v: p.v.Elem().Index(i)} - } - return s -} - -// setPointerSlice copies []pointer into p as a new []*T. -// This behavior differs from the implementation in pointer_unsafe.go. -func (p pointer) setPointerSlice(v []pointer) { - if v == nil { - p.v.Elem().Set(reflect.New(p.v.Elem().Type()).Elem()) - return - } - s := reflect.MakeSlice(p.v.Elem().Type(), 0, len(v)) - for _, p := range v { - s = reflect.Append(s, p.v) - } - p.v.Elem().Set(s) -} - -// getInterfacePointer returns a pointer that points to the -// interface data of the interface pointed by p. -func (p pointer) getInterfacePointer() pointer { - if p.v.Elem().IsNil() { - return pointer{v: p.v.Elem()} - } - return pointer{v: p.v.Elem().Elem().Elem().Field(0).Addr()} // *interface -> interface -> *struct -> struct -} - -func (p pointer) asPointerTo(t reflect.Type) reflect.Value { - // TODO: check that p.v.Type().Elem() == t? - return p.v -} - -func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo { - atomicLock.Lock() - defer atomicLock.Unlock() - return *p -} -func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) { - atomicLock.Lock() - defer atomicLock.Unlock() - *p = v -} -func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo { - atomicLock.Lock() - defer atomicLock.Unlock() - return *p -} -func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) { - atomicLock.Lock() - defer atomicLock.Unlock() - *p = v -} -func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo { - atomicLock.Lock() - defer atomicLock.Unlock() - return *p -} -func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) { - atomicLock.Lock() - defer atomicLock.Unlock() - *p = v -} -func atomicLoadDiscardInfo(p **discardInfo) *discardInfo { - atomicLock.Lock() - defer atomicLock.Unlock() - return *p -} -func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) { - atomicLock.Lock() - defer atomicLock.Unlock() - *p = v -} - -var atomicLock sync.Mutex diff --git a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go deleted file mode 100644 index d55a335..0000000 --- a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go +++ /dev/null @@ -1,308 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2012 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// +build !purego,!appengine,!js - -// This file contains the implementation of the proto field accesses using package unsafe. - -package proto - -import ( - "reflect" - "sync/atomic" - "unsafe" -) - -const unsafeAllowed = true - -// A field identifies a field in a struct, accessible from a pointer. -// In this implementation, a field is identified by its byte offset from the start of the struct. -type field uintptr - -// toField returns a field equivalent to the given reflect field. -func toField(f *reflect.StructField) field { - return field(f.Offset) -} - -// invalidField is an invalid field identifier. -const invalidField = ^field(0) - -// zeroField is a noop when calling pointer.offset. -const zeroField = field(0) - -// IsValid reports whether the field identifier is valid. -func (f field) IsValid() bool { - return f != invalidField -} - -// The pointer type below is for the new table-driven encoder/decoder. -// The implementation here uses unsafe.Pointer to create a generic pointer. -// In pointer_reflect.go we use reflect instead of unsafe to implement -// the same (but slower) interface. -type pointer struct { - p unsafe.Pointer -} - -// size of pointer -var ptrSize = unsafe.Sizeof(uintptr(0)) - -// toPointer converts an interface of pointer type to a pointer -// that points to the same target. -func toPointer(i *Message) pointer { - // Super-tricky - read pointer out of data word of interface value. - // Saves ~25ns over the equivalent: - // return valToPointer(reflect.ValueOf(*i)) - return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]} -} - -// toAddrPointer converts an interface to a pointer that points to -// the interface data. -func toAddrPointer(i *interface{}, isptr bool) pointer { - // Super-tricky - read or get the address of data word of interface value. - if isptr { - // The interface is of pointer type, thus it is a direct interface. - // The data word is the pointer data itself. We take its address. - return pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)} - } - // The interface is not of pointer type. The data word is the pointer - // to the data. - return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]} -} - -// valToPointer converts v to a pointer. v must be of pointer type. -func valToPointer(v reflect.Value) pointer { - return pointer{p: unsafe.Pointer(v.Pointer())} -} - -// offset converts from a pointer to a structure to a pointer to -// one of its fields. -func (p pointer) offset(f field) pointer { - // For safety, we should panic if !f.IsValid, however calling panic causes - // this to no longer be inlineable, which is a serious performance cost. - /* - if !f.IsValid() { - panic("invalid field") - } - */ - return pointer{p: unsafe.Pointer(uintptr(p.p) + uintptr(f))} -} - -func (p pointer) isNil() bool { - return p.p == nil -} - -func (p pointer) toInt64() *int64 { - return (*int64)(p.p) -} -func (p pointer) toInt64Ptr() **int64 { - return (**int64)(p.p) -} -func (p pointer) toInt64Slice() *[]int64 { - return (*[]int64)(p.p) -} -func (p pointer) toInt32() *int32 { - return (*int32)(p.p) -} - -// See pointer_reflect.go for why toInt32Ptr/Slice doesn't exist. -/* - func (p pointer) toInt32Ptr() **int32 { - return (**int32)(p.p) - } - func (p pointer) toInt32Slice() *[]int32 { - return (*[]int32)(p.p) - } -*/ -func (p pointer) getInt32Ptr() *int32 { - return *(**int32)(p.p) -} -func (p pointer) setInt32Ptr(v int32) { - *(**int32)(p.p) = &v -} - -// getInt32Slice loads a []int32 from p. -// The value returned is aliased with the original slice. -// This behavior differs from the implementation in pointer_reflect.go. -func (p pointer) getInt32Slice() []int32 { - return *(*[]int32)(p.p) -} - -// setInt32Slice stores a []int32 to p. -// The value set is aliased with the input slice. -// This behavior differs from the implementation in pointer_reflect.go. -func (p pointer) setInt32Slice(v []int32) { - *(*[]int32)(p.p) = v -} - -// TODO: Can we get rid of appendInt32Slice and use setInt32Slice instead? -func (p pointer) appendInt32Slice(v int32) { - s := (*[]int32)(p.p) - *s = append(*s, v) -} - -func (p pointer) toUint64() *uint64 { - return (*uint64)(p.p) -} -func (p pointer) toUint64Ptr() **uint64 { - return (**uint64)(p.p) -} -func (p pointer) toUint64Slice() *[]uint64 { - return (*[]uint64)(p.p) -} -func (p pointer) toUint32() *uint32 { - return (*uint32)(p.p) -} -func (p pointer) toUint32Ptr() **uint32 { - return (**uint32)(p.p) -} -func (p pointer) toUint32Slice() *[]uint32 { - return (*[]uint32)(p.p) -} -func (p pointer) toBool() *bool { - return (*bool)(p.p) -} -func (p pointer) toBoolPtr() **bool { - return (**bool)(p.p) -} -func (p pointer) toBoolSlice() *[]bool { - return (*[]bool)(p.p) -} -func (p pointer) toFloat64() *float64 { - return (*float64)(p.p) -} -func (p pointer) toFloat64Ptr() **float64 { - return (**float64)(p.p) -} -func (p pointer) toFloat64Slice() *[]float64 { - return (*[]float64)(p.p) -} -func (p pointer) toFloat32() *float32 { - return (*float32)(p.p) -} -func (p pointer) toFloat32Ptr() **float32 { - return (**float32)(p.p) -} -func (p pointer) toFloat32Slice() *[]float32 { - return (*[]float32)(p.p) -} -func (p pointer) toString() *string { - return (*string)(p.p) -} -func (p pointer) toStringPtr() **string { - return (**string)(p.p) -} -func (p pointer) toStringSlice() *[]string { - return (*[]string)(p.p) -} -func (p pointer) toBytes() *[]byte { - return (*[]byte)(p.p) -} -func (p pointer) toBytesSlice() *[][]byte { - return (*[][]byte)(p.p) -} -func (p pointer) toExtensions() *XXX_InternalExtensions { - return (*XXX_InternalExtensions)(p.p) -} -func (p pointer) toOldExtensions() *map[int32]Extension { - return (*map[int32]Extension)(p.p) -} - -// getPointerSlice loads []*T from p as a []pointer. -// The value returned is aliased with the original slice. -// This behavior differs from the implementation in pointer_reflect.go. -func (p pointer) getPointerSlice() []pointer { - // Super-tricky - p should point to a []*T where T is a - // message type. We load it as []pointer. - return *(*[]pointer)(p.p) -} - -// setPointerSlice stores []pointer into p as a []*T. -// The value set is aliased with the input slice. -// This behavior differs from the implementation in pointer_reflect.go. -func (p pointer) setPointerSlice(v []pointer) { - // Super-tricky - p should point to a []*T where T is a - // message type. We store it as []pointer. - *(*[]pointer)(p.p) = v -} - -// getPointer loads the pointer at p and returns it. -func (p pointer) getPointer() pointer { - return pointer{p: *(*unsafe.Pointer)(p.p)} -} - -// setPointer stores the pointer q at p. -func (p pointer) setPointer(q pointer) { - *(*unsafe.Pointer)(p.p) = q.p -} - -// append q to the slice pointed to by p. -func (p pointer) appendPointer(q pointer) { - s := (*[]unsafe.Pointer)(p.p) - *s = append(*s, q.p) -} - -// getInterfacePointer returns a pointer that points to the -// interface data of the interface pointed by p. -func (p pointer) getInterfacePointer() pointer { - // Super-tricky - read pointer out of data word of interface value. - return pointer{p: (*(*[2]unsafe.Pointer)(p.p))[1]} -} - -// asPointerTo returns a reflect.Value that is a pointer to an -// object of type t stored at p. -func (p pointer) asPointerTo(t reflect.Type) reflect.Value { - return reflect.NewAt(t, p.p) -} - -func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo { - return (*unmarshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p)))) -} -func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) { - atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v)) -} -func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo { - return (*marshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p)))) -} -func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) { - atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v)) -} -func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo { - return (*mergeInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p)))) -} -func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) { - atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v)) -} -func atomicLoadDiscardInfo(p **discardInfo) *discardInfo { - return (*discardInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p)))) -} -func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) { - atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v)) -} diff --git a/vendor/github.com/golang/protobuf/proto/properties.go b/vendor/github.com/golang/protobuf/proto/properties.go deleted file mode 100644 index dce098e..0000000 --- a/vendor/github.com/golang/protobuf/proto/properties.go +++ /dev/null @@ -1,535 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2010 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -/* - * Routines for encoding data into the wire format for protocol buffers. - */ - -import ( - "fmt" - "log" - "os" - "reflect" - "sort" - "strconv" - "strings" - "sync" -) - -const debug bool = false - -// Constants that identify the encoding of a value on the wire. -const ( - WireVarint = 0 - WireFixed64 = 1 - WireBytes = 2 - WireStartGroup = 3 - WireEndGroup = 4 - WireFixed32 = 5 -) - -// tagMap is an optimization over map[int]int for typical protocol buffer -// use-cases. Encoded protocol buffers are often in tag order with small tag -// numbers. -type tagMap struct { - fastTags []int - slowTags map[int]int -} - -// tagMapFastLimit is the upper bound on the tag number that will be stored in -// the tagMap slice rather than its map. -const tagMapFastLimit = 1024 - -func (p *tagMap) get(t int) (int, bool) { - if t > 0 && t < tagMapFastLimit { - if t >= len(p.fastTags) { - return 0, false - } - fi := p.fastTags[t] - return fi, fi >= 0 - } - fi, ok := p.slowTags[t] - return fi, ok -} - -func (p *tagMap) put(t int, fi int) { - if t > 0 && t < tagMapFastLimit { - for len(p.fastTags) < t+1 { - p.fastTags = append(p.fastTags, -1) - } - p.fastTags[t] = fi - return - } - if p.slowTags == nil { - p.slowTags = make(map[int]int) - } - p.slowTags[t] = fi -} - -// StructProperties represents properties for all the fields of a struct. -// decoderTags and decoderOrigNames should only be used by the decoder. -type StructProperties struct { - Prop []*Properties // properties for each field - reqCount int // required count - decoderTags tagMap // map from proto tag to struct field number - decoderOrigNames map[string]int // map from original name to struct field number - order []int // list of struct field numbers in tag order - - // OneofTypes contains information about the oneof fields in this message. - // It is keyed by the original name of a field. - OneofTypes map[string]*OneofProperties -} - -// OneofProperties represents information about a specific field in a oneof. -type OneofProperties struct { - Type reflect.Type // pointer to generated struct type for this oneof field - Field int // struct field number of the containing oneof in the message - Prop *Properties -} - -// Implement the sorting interface so we can sort the fields in tag order, as recommended by the spec. -// See encode.go, (*Buffer).enc_struct. - -func (sp *StructProperties) Len() int { return len(sp.order) } -func (sp *StructProperties) Less(i, j int) bool { - return sp.Prop[sp.order[i]].Tag < sp.Prop[sp.order[j]].Tag -} -func (sp *StructProperties) Swap(i, j int) { sp.order[i], sp.order[j] = sp.order[j], sp.order[i] } - -// Properties represents the protocol-specific behavior of a single struct field. -type Properties struct { - Name string // name of the field, for error messages - OrigName string // original name before protocol compiler (always set) - JSONName string // name to use for JSON; determined by protoc - Wire string - WireType int - Tag int - Required bool - Optional bool - Repeated bool - Packed bool // relevant for repeated primitives only - Enum string // set for enum types only - proto3 bool // whether this is known to be a proto3 field - oneof bool // whether this is a oneof field - - Default string // default value - HasDefault bool // whether an explicit default was provided - - stype reflect.Type // set for struct types only - sprop *StructProperties // set for struct types only - - mtype reflect.Type // set for map types only - MapKeyProp *Properties // set for map types only - MapValProp *Properties // set for map types only -} - -// String formats the properties in the protobuf struct field tag style. -func (p *Properties) String() string { - s := p.Wire - s += "," - s += strconv.Itoa(p.Tag) - if p.Required { - s += ",req" - } - if p.Optional { - s += ",opt" - } - if p.Repeated { - s += ",rep" - } - if p.Packed { - s += ",packed" - } - s += ",name=" + p.OrigName - if p.JSONName != p.OrigName { - s += ",json=" + p.JSONName - } - if p.proto3 { - s += ",proto3" - } - if p.oneof { - s += ",oneof" - } - if len(p.Enum) > 0 { - s += ",enum=" + p.Enum - } - if p.HasDefault { - s += ",def=" + p.Default - } - return s -} - -// Parse populates p by parsing a string in the protobuf struct field tag style. -func (p *Properties) Parse(s string) { - // "bytes,49,opt,name=foo,def=hello!" - fields := strings.Split(s, ",") // breaks def=, but handled below. - if len(fields) < 2 { - fmt.Fprintf(os.Stderr, "proto: tag has too few fields: %q\n", s) - return - } - - p.Wire = fields[0] - switch p.Wire { - case "varint": - p.WireType = WireVarint - case "fixed32": - p.WireType = WireFixed32 - case "fixed64": - p.WireType = WireFixed64 - case "zigzag32": - p.WireType = WireVarint - case "zigzag64": - p.WireType = WireVarint - case "bytes", "group": - p.WireType = WireBytes - // no numeric converter for non-numeric types - default: - fmt.Fprintf(os.Stderr, "proto: tag has unknown wire type: %q\n", s) - return - } - - var err error - p.Tag, err = strconv.Atoi(fields[1]) - if err != nil { - return - } - -outer: - for i := 2; i < len(fields); i++ { - f := fields[i] - switch { - case f == "req": - p.Required = true - case f == "opt": - p.Optional = true - case f == "rep": - p.Repeated = true - case f == "packed": - p.Packed = true - case strings.HasPrefix(f, "name="): - p.OrigName = f[5:] - case strings.HasPrefix(f, "json="): - p.JSONName = f[5:] - case strings.HasPrefix(f, "enum="): - p.Enum = f[5:] - case f == "proto3": - p.proto3 = true - case f == "oneof": - p.oneof = true - case strings.HasPrefix(f, "def="): - p.HasDefault = true - p.Default = f[4:] // rest of string - if i+1 < len(fields) { - // Commas aren't escaped, and def is always last. - p.Default += "," + strings.Join(fields[i+1:], ",") - break outer - } - } - } -} - -var protoMessageType = reflect.TypeOf((*Message)(nil)).Elem() - -// setFieldProps initializes the field properties for submessages and maps. -func (p *Properties) setFieldProps(typ reflect.Type, f *reflect.StructField, lockGetProp bool) { - switch t1 := typ; t1.Kind() { - case reflect.Ptr: - if t1.Elem().Kind() == reflect.Struct { - p.stype = t1.Elem() - } - - case reflect.Slice: - if t2 := t1.Elem(); t2.Kind() == reflect.Ptr && t2.Elem().Kind() == reflect.Struct { - p.stype = t2.Elem() - } - - case reflect.Map: - p.mtype = t1 - p.MapKeyProp = &Properties{} - p.MapKeyProp.init(reflect.PtrTo(p.mtype.Key()), "Key", f.Tag.Get("protobuf_key"), nil, lockGetProp) - p.MapValProp = &Properties{} - vtype := p.mtype.Elem() - if vtype.Kind() != reflect.Ptr && vtype.Kind() != reflect.Slice { - // The value type is not a message (*T) or bytes ([]byte), - // so we need encoders for the pointer to this type. - vtype = reflect.PtrTo(vtype) - } - p.MapValProp.init(vtype, "Value", f.Tag.Get("protobuf_val"), nil, lockGetProp) - } - - if p.stype != nil { - if lockGetProp { - p.sprop = GetProperties(p.stype) - } else { - p.sprop = getPropertiesLocked(p.stype) - } - } -} - -var ( - marshalerType = reflect.TypeOf((*Marshaler)(nil)).Elem() -) - -// Init populates the properties from a protocol buffer struct tag. -func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) { - p.init(typ, name, tag, f, true) -} - -func (p *Properties) init(typ reflect.Type, name, tag string, f *reflect.StructField, lockGetProp bool) { - // "bytes,49,opt,def=hello!" - p.Name = name - p.OrigName = name - if tag == "" { - return - } - p.Parse(tag) - p.setFieldProps(typ, f, lockGetProp) -} - -var ( - propertiesMu sync.RWMutex - propertiesMap = make(map[reflect.Type]*StructProperties) -) - -// GetProperties returns the list of properties for the type represented by t. -// t must represent a generated struct type of a protocol message. -func GetProperties(t reflect.Type) *StructProperties { - if t.Kind() != reflect.Struct { - panic("proto: type must have kind struct") - } - - // Most calls to GetProperties in a long-running program will be - // retrieving details for types we have seen before. - propertiesMu.RLock() - sprop, ok := propertiesMap[t] - propertiesMu.RUnlock() - if ok { - return sprop - } - - propertiesMu.Lock() - sprop = getPropertiesLocked(t) - propertiesMu.Unlock() - return sprop -} - -// getPropertiesLocked requires that propertiesMu is held. -func getPropertiesLocked(t reflect.Type) *StructProperties { - if prop, ok := propertiesMap[t]; ok { - return prop - } - - prop := new(StructProperties) - // in case of recursive protos, fill this in now. - propertiesMap[t] = prop - - // build properties - prop.Prop = make([]*Properties, t.NumField()) - prop.order = make([]int, t.NumField()) - - for i := 0; i < t.NumField(); i++ { - f := t.Field(i) - p := new(Properties) - name := f.Name - p.init(f.Type, name, f.Tag.Get("protobuf"), &f, false) - - oneof := f.Tag.Get("protobuf_oneof") // special case - if oneof != "" { - // Oneof fields don't use the traditional protobuf tag. - p.OrigName = oneof - } - prop.Prop[i] = p - prop.order[i] = i - if debug { - print(i, " ", f.Name, " ", t.String(), " ") - if p.Tag > 0 { - print(p.String()) - } - print("\n") - } - } - - // Re-order prop.order. - sort.Sort(prop) - - type oneofMessage interface { - XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{}) - } - if om, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok { - var oots []interface{} - _, _, _, oots = om.XXX_OneofFuncs() - - // Interpret oneof metadata. - prop.OneofTypes = make(map[string]*OneofProperties) - for _, oot := range oots { - oop := &OneofProperties{ - Type: reflect.ValueOf(oot).Type(), // *T - Prop: new(Properties), - } - sft := oop.Type.Elem().Field(0) - oop.Prop.Name = sft.Name - oop.Prop.Parse(sft.Tag.Get("protobuf")) - // There will be exactly one interface field that - // this new value is assignable to. - for i := 0; i < t.NumField(); i++ { - f := t.Field(i) - if f.Type.Kind() != reflect.Interface { - continue - } - if !oop.Type.AssignableTo(f.Type) { - continue - } - oop.Field = i - break - } - prop.OneofTypes[oop.Prop.OrigName] = oop - } - } - - // build required counts - // build tags - reqCount := 0 - prop.decoderOrigNames = make(map[string]int) - for i, p := range prop.Prop { - if strings.HasPrefix(p.Name, "XXX_") { - // Internal fields should not appear in tags/origNames maps. - // They are handled specially when encoding and decoding. - continue - } - if p.Required { - reqCount++ - } - prop.decoderTags.put(p.Tag, i) - prop.decoderOrigNames[p.OrigName] = i - } - prop.reqCount = reqCount - - return prop -} - -// A global registry of enum types. -// The generated code will register the generated maps by calling RegisterEnum. - -var enumValueMaps = make(map[string]map[string]int32) - -// RegisterEnum is called from the generated code to install the enum descriptor -// maps into the global table to aid parsing text format protocol buffers. -func RegisterEnum(typeName string, unusedNameMap map[int32]string, valueMap map[string]int32) { - if _, ok := enumValueMaps[typeName]; ok { - panic("proto: duplicate enum registered: " + typeName) - } - enumValueMaps[typeName] = valueMap -} - -// EnumValueMap returns the mapping from names to integers of the -// enum type enumType, or a nil if not found. -func EnumValueMap(enumType string) map[string]int32 { - return enumValueMaps[enumType] -} - -// A registry of all linked message types. -// The string is a fully-qualified proto name ("pkg.Message"). -var ( - protoTypedNils = make(map[string]Message) // a map from proto names to typed nil pointers - protoMapTypes = make(map[string]reflect.Type) // a map from proto names to map types - revProtoTypes = make(map[reflect.Type]string) -) - -// RegisterType is called from generated code and maps from the fully qualified -// proto name to the type (pointer to struct) of the protocol buffer. -func RegisterType(x Message, name string) { - if _, ok := protoTypedNils[name]; ok { - // TODO: Some day, make this a panic. - log.Printf("proto: duplicate proto type registered: %s", name) - return - } - t := reflect.TypeOf(x) - if v := reflect.ValueOf(x); v.Kind() == reflect.Ptr && v.Pointer() == 0 { - // Generated code always calls RegisterType with nil x. - // This check is just for extra safety. - protoTypedNils[name] = x - } else { - protoTypedNils[name] = reflect.Zero(t).Interface().(Message) - } - revProtoTypes[t] = name -} - -// RegisterMapType is called from generated code and maps from the fully qualified -// proto name to the native map type of the proto map definition. -func RegisterMapType(x interface{}, name string) { - if reflect.TypeOf(x).Kind() != reflect.Map { - panic(fmt.Sprintf("RegisterMapType(%T, %q); want map", x, name)) - } - if _, ok := protoMapTypes[name]; ok { - log.Printf("proto: duplicate proto type registered: %s", name) - return - } - t := reflect.TypeOf(x) - protoMapTypes[name] = t - revProtoTypes[t] = name -} - -// MessageName returns the fully-qualified proto name for the given message type. -func MessageName(x Message) string { - type xname interface { - XXX_MessageName() string - } - if m, ok := x.(xname); ok { - return m.XXX_MessageName() - } - return revProtoTypes[reflect.TypeOf(x)] -} - -// MessageType returns the message type (pointer to struct) for a named message. -// The type is not guaranteed to implement proto.Message if the name refers to a -// map entry. -func MessageType(name string) reflect.Type { - if t, ok := protoTypedNils[name]; ok { - return reflect.TypeOf(t) - } - return protoMapTypes[name] -} - -// A registry of all linked proto files. -var ( - protoFiles = make(map[string][]byte) // file name => fileDescriptor -) - -// RegisterFile is called from generated code and maps from the -// full file name of a .proto file to its compressed FileDescriptorProto. -func RegisterFile(filename string, fileDescriptor []byte) { - protoFiles[filename] = fileDescriptor -} - -// FileDescriptor returns the compressed FileDescriptorProto for a .proto file. -func FileDescriptor(filename string) []byte { return protoFiles[filename] } diff --git a/vendor/github.com/golang/protobuf/proto/table_marshal.go b/vendor/github.com/golang/protobuf/proto/table_marshal.go deleted file mode 100644 index b167944..0000000 --- a/vendor/github.com/golang/protobuf/proto/table_marshal.go +++ /dev/null @@ -1,2767 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2016 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -import ( - "errors" - "fmt" - "math" - "reflect" - "sort" - "strconv" - "strings" - "sync" - "sync/atomic" - "unicode/utf8" -) - -// a sizer takes a pointer to a field and the size of its tag, computes the size of -// the encoded data. -type sizer func(pointer, int) int - -// a marshaler takes a byte slice, a pointer to a field, and its tag (in wire format), -// marshals the field to the end of the slice, returns the slice and error (if any). -type marshaler func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) - -// marshalInfo is the information used for marshaling a message. -type marshalInfo struct { - typ reflect.Type - fields []*marshalFieldInfo - unrecognized field // offset of XXX_unrecognized - extensions field // offset of XXX_InternalExtensions - v1extensions field // offset of XXX_extensions - sizecache field // offset of XXX_sizecache - initialized int32 // 0 -- only typ is set, 1 -- fully initialized - messageset bool // uses message set wire format - hasmarshaler bool // has custom marshaler - sync.RWMutex // protect extElems map, also for initialization - extElems map[int32]*marshalElemInfo // info of extension elements -} - -// marshalFieldInfo is the information used for marshaling a field of a message. -type marshalFieldInfo struct { - field field - wiretag uint64 // tag in wire format - tagsize int // size of tag in wire format - sizer sizer - marshaler marshaler - isPointer bool - required bool // field is required - name string // name of the field, for error reporting - oneofElems map[reflect.Type]*marshalElemInfo // info of oneof elements -} - -// marshalElemInfo is the information used for marshaling an extension or oneof element. -type marshalElemInfo struct { - wiretag uint64 // tag in wire format - tagsize int // size of tag in wire format - sizer sizer - marshaler marshaler - isptr bool // elem is pointer typed, thus interface of this type is a direct interface (extension only) -} - -var ( - marshalInfoMap = map[reflect.Type]*marshalInfo{} - marshalInfoLock sync.Mutex -) - -// getMarshalInfo returns the information to marshal a given type of message. -// The info it returns may not necessarily initialized. -// t is the type of the message (NOT the pointer to it). -func getMarshalInfo(t reflect.Type) *marshalInfo { - marshalInfoLock.Lock() - u, ok := marshalInfoMap[t] - if !ok { - u = &marshalInfo{typ: t} - marshalInfoMap[t] = u - } - marshalInfoLock.Unlock() - return u -} - -// Size is the entry point from generated code, -// and should be ONLY called by generated code. -// It computes the size of encoded data of msg. -// a is a pointer to a place to store cached marshal info. -func (a *InternalMessageInfo) Size(msg Message) int { - u := getMessageMarshalInfo(msg, a) - ptr := toPointer(&msg) - if ptr.isNil() { - // We get here if msg is a typed nil ((*SomeMessage)(nil)), - // so it satisfies the interface, and msg == nil wouldn't - // catch it. We don't want crash in this case. - return 0 - } - return u.size(ptr) -} - -// Marshal is the entry point from generated code, -// and should be ONLY called by generated code. -// It marshals msg to the end of b. -// a is a pointer to a place to store cached marshal info. -func (a *InternalMessageInfo) Marshal(b []byte, msg Message, deterministic bool) ([]byte, error) { - u := getMessageMarshalInfo(msg, a) - ptr := toPointer(&msg) - if ptr.isNil() { - // We get here if msg is a typed nil ((*SomeMessage)(nil)), - // so it satisfies the interface, and msg == nil wouldn't - // catch it. We don't want crash in this case. - return b, ErrNil - } - return u.marshal(b, ptr, deterministic) -} - -func getMessageMarshalInfo(msg interface{}, a *InternalMessageInfo) *marshalInfo { - // u := a.marshal, but atomically. - // We use an atomic here to ensure memory consistency. - u := atomicLoadMarshalInfo(&a.marshal) - if u == nil { - // Get marshal information from type of message. - t := reflect.ValueOf(msg).Type() - if t.Kind() != reflect.Ptr { - panic(fmt.Sprintf("cannot handle non-pointer message type %v", t)) - } - u = getMarshalInfo(t.Elem()) - // Store it in the cache for later users. - // a.marshal = u, but atomically. - atomicStoreMarshalInfo(&a.marshal, u) - } - return u -} - -// size is the main function to compute the size of the encoded data of a message. -// ptr is the pointer to the message. -func (u *marshalInfo) size(ptr pointer) int { - if atomic.LoadInt32(&u.initialized) == 0 { - u.computeMarshalInfo() - } - - // If the message can marshal itself, let it do it, for compatibility. - // NOTE: This is not efficient. - if u.hasmarshaler { - m := ptr.asPointerTo(u.typ).Interface().(Marshaler) - b, _ := m.Marshal() - return len(b) - } - - n := 0 - for _, f := range u.fields { - if f.isPointer && ptr.offset(f.field).getPointer().isNil() { - // nil pointer always marshals to nothing - continue - } - n += f.sizer(ptr.offset(f.field), f.tagsize) - } - if u.extensions.IsValid() { - e := ptr.offset(u.extensions).toExtensions() - if u.messageset { - n += u.sizeMessageSet(e) - } else { - n += u.sizeExtensions(e) - } - } - if u.v1extensions.IsValid() { - m := *ptr.offset(u.v1extensions).toOldExtensions() - n += u.sizeV1Extensions(m) - } - if u.unrecognized.IsValid() { - s := *ptr.offset(u.unrecognized).toBytes() - n += len(s) - } - // cache the result for use in marshal - if u.sizecache.IsValid() { - atomic.StoreInt32(ptr.offset(u.sizecache).toInt32(), int32(n)) - } - return n -} - -// cachedsize gets the size from cache. If there is no cache (i.e. message is not generated), -// fall back to compute the size. -func (u *marshalInfo) cachedsize(ptr pointer) int { - if u.sizecache.IsValid() { - return int(atomic.LoadInt32(ptr.offset(u.sizecache).toInt32())) - } - return u.size(ptr) -} - -// marshal is the main function to marshal a message. It takes a byte slice and appends -// the encoded data to the end of the slice, returns the slice and error (if any). -// ptr is the pointer to the message. -// If deterministic is true, map is marshaled in deterministic order. -func (u *marshalInfo) marshal(b []byte, ptr pointer, deterministic bool) ([]byte, error) { - if atomic.LoadInt32(&u.initialized) == 0 { - u.computeMarshalInfo() - } - - // If the message can marshal itself, let it do it, for compatibility. - // NOTE: This is not efficient. - if u.hasmarshaler { - m := ptr.asPointerTo(u.typ).Interface().(Marshaler) - b1, err := m.Marshal() - b = append(b, b1...) - return b, err - } - - var err, errLater error - // The old marshaler encodes extensions at beginning. - if u.extensions.IsValid() { - e := ptr.offset(u.extensions).toExtensions() - if u.messageset { - b, err = u.appendMessageSet(b, e, deterministic) - } else { - b, err = u.appendExtensions(b, e, deterministic) - } - if err != nil { - return b, err - } - } - if u.v1extensions.IsValid() { - m := *ptr.offset(u.v1extensions).toOldExtensions() - b, err = u.appendV1Extensions(b, m, deterministic) - if err != nil { - return b, err - } - } - for _, f := range u.fields { - if f.required { - if ptr.offset(f.field).getPointer().isNil() { - // Required field is not set. - // We record the error but keep going, to give a complete marshaling. - if errLater == nil { - errLater = &RequiredNotSetError{f.name} - } - continue - } - } - if f.isPointer && ptr.offset(f.field).getPointer().isNil() { - // nil pointer always marshals to nothing - continue - } - b, err = f.marshaler(b, ptr.offset(f.field), f.wiretag, deterministic) - if err != nil { - if err1, ok := err.(*RequiredNotSetError); ok { - // Required field in submessage is not set. - // We record the error but keep going, to give a complete marshaling. - if errLater == nil { - errLater = &RequiredNotSetError{f.name + "." + err1.field} - } - continue - } - if err == errRepeatedHasNil { - err = errors.New("proto: repeated field " + f.name + " has nil element") - } - if err == errInvalidUTF8 { - if errLater == nil { - fullName := revProtoTypes[reflect.PtrTo(u.typ)] + "." + f.name - errLater = &invalidUTF8Error{fullName} - } - continue - } - return b, err - } - } - if u.unrecognized.IsValid() { - s := *ptr.offset(u.unrecognized).toBytes() - b = append(b, s...) - } - return b, errLater -} - -// computeMarshalInfo initializes the marshal info. -func (u *marshalInfo) computeMarshalInfo() { - u.Lock() - defer u.Unlock() - if u.initialized != 0 { // non-atomic read is ok as it is protected by the lock - return - } - - t := u.typ - u.unrecognized = invalidField - u.extensions = invalidField - u.v1extensions = invalidField - u.sizecache = invalidField - - // If the message can marshal itself, let it do it, for compatibility. - // NOTE: This is not efficient. - if reflect.PtrTo(t).Implements(marshalerType) { - u.hasmarshaler = true - atomic.StoreInt32(&u.initialized, 1) - return - } - - // get oneof implementers - var oneofImplementers []interface{} - if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok { - _, _, _, oneofImplementers = m.XXX_OneofFuncs() - } - - n := t.NumField() - - // deal with XXX fields first - for i := 0; i < t.NumField(); i++ { - f := t.Field(i) - if !strings.HasPrefix(f.Name, "XXX_") { - continue - } - switch f.Name { - case "XXX_sizecache": - u.sizecache = toField(&f) - case "XXX_unrecognized": - u.unrecognized = toField(&f) - case "XXX_InternalExtensions": - u.extensions = toField(&f) - u.messageset = f.Tag.Get("protobuf_messageset") == "1" - case "XXX_extensions": - u.v1extensions = toField(&f) - case "XXX_NoUnkeyedLiteral": - // nothing to do - default: - panic("unknown XXX field: " + f.Name) - } - n-- - } - - // normal fields - fields := make([]marshalFieldInfo, n) // batch allocation - u.fields = make([]*marshalFieldInfo, 0, n) - for i, j := 0, 0; i < t.NumField(); i++ { - f := t.Field(i) - - if strings.HasPrefix(f.Name, "XXX_") { - continue - } - field := &fields[j] - j++ - field.name = f.Name - u.fields = append(u.fields, field) - if f.Tag.Get("protobuf_oneof") != "" { - field.computeOneofFieldInfo(&f, oneofImplementers) - continue - } - if f.Tag.Get("protobuf") == "" { - // field has no tag (not in generated message), ignore it - u.fields = u.fields[:len(u.fields)-1] - j-- - continue - } - field.computeMarshalFieldInfo(&f) - } - - // fields are marshaled in tag order on the wire. - sort.Sort(byTag(u.fields)) - - atomic.StoreInt32(&u.initialized, 1) -} - -// helper for sorting fields by tag -type byTag []*marshalFieldInfo - -func (a byTag) Len() int { return len(a) } -func (a byTag) Swap(i, j int) { a[i], a[j] = a[j], a[i] } -func (a byTag) Less(i, j int) bool { return a[i].wiretag < a[j].wiretag } - -// getExtElemInfo returns the information to marshal an extension element. -// The info it returns is initialized. -func (u *marshalInfo) getExtElemInfo(desc *ExtensionDesc) *marshalElemInfo { - // get from cache first - u.RLock() - e, ok := u.extElems[desc.Field] - u.RUnlock() - if ok { - return e - } - - t := reflect.TypeOf(desc.ExtensionType) // pointer or slice to basic type or struct - tags := strings.Split(desc.Tag, ",") - tag, err := strconv.Atoi(tags[1]) - if err != nil { - panic("tag is not an integer") - } - wt := wiretype(tags[0]) - sizer, marshaler := typeMarshaler(t, tags, false, false) - e = &marshalElemInfo{ - wiretag: uint64(tag)<<3 | wt, - tagsize: SizeVarint(uint64(tag) << 3), - sizer: sizer, - marshaler: marshaler, - isptr: t.Kind() == reflect.Ptr, - } - - // update cache - u.Lock() - if u.extElems == nil { - u.extElems = make(map[int32]*marshalElemInfo) - } - u.extElems[desc.Field] = e - u.Unlock() - return e -} - -// computeMarshalFieldInfo fills up the information to marshal a field. -func (fi *marshalFieldInfo) computeMarshalFieldInfo(f *reflect.StructField) { - // parse protobuf tag of the field. - // tag has format of "bytes,49,opt,name=foo,def=hello!" - tags := strings.Split(f.Tag.Get("protobuf"), ",") - if tags[0] == "" { - return - } - tag, err := strconv.Atoi(tags[1]) - if err != nil { - panic("tag is not an integer") - } - wt := wiretype(tags[0]) - if tags[2] == "req" { - fi.required = true - } - fi.setTag(f, tag, wt) - fi.setMarshaler(f, tags) -} - -func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) { - fi.field = toField(f) - fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire. - fi.isPointer = true - fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f) - fi.oneofElems = make(map[reflect.Type]*marshalElemInfo) - - ityp := f.Type // interface type - for _, o := range oneofImplementers { - t := reflect.TypeOf(o) - if !t.Implements(ityp) { - continue - } - sf := t.Elem().Field(0) // oneof implementer is a struct with a single field - tags := strings.Split(sf.Tag.Get("protobuf"), ",") - tag, err := strconv.Atoi(tags[1]) - if err != nil { - panic("tag is not an integer") - } - wt := wiretype(tags[0]) - sizer, marshaler := typeMarshaler(sf.Type, tags, false, true) // oneof should not omit any zero value - fi.oneofElems[t.Elem()] = &marshalElemInfo{ - wiretag: uint64(tag)<<3 | wt, - tagsize: SizeVarint(uint64(tag) << 3), - sizer: sizer, - marshaler: marshaler, - } - } -} - -type oneofMessage interface { - XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{}) -} - -// wiretype returns the wire encoding of the type. -func wiretype(encoding string) uint64 { - switch encoding { - case "fixed32": - return WireFixed32 - case "fixed64": - return WireFixed64 - case "varint", "zigzag32", "zigzag64": - return WireVarint - case "bytes": - return WireBytes - case "group": - return WireStartGroup - } - panic("unknown wire type " + encoding) -} - -// setTag fills up the tag (in wire format) and its size in the info of a field. -func (fi *marshalFieldInfo) setTag(f *reflect.StructField, tag int, wt uint64) { - fi.field = toField(f) - fi.wiretag = uint64(tag)<<3 | wt - fi.tagsize = SizeVarint(uint64(tag) << 3) -} - -// setMarshaler fills up the sizer and marshaler in the info of a field. -func (fi *marshalFieldInfo) setMarshaler(f *reflect.StructField, tags []string) { - switch f.Type.Kind() { - case reflect.Map: - // map field - fi.isPointer = true - fi.sizer, fi.marshaler = makeMapMarshaler(f) - return - case reflect.Ptr, reflect.Slice: - fi.isPointer = true - } - fi.sizer, fi.marshaler = typeMarshaler(f.Type, tags, true, false) -} - -// typeMarshaler returns the sizer and marshaler of a given field. -// t is the type of the field. -// tags is the generated "protobuf" tag of the field. -// If nozero is true, zero value is not marshaled to the wire. -// If oneof is true, it is a oneof field. -func typeMarshaler(t reflect.Type, tags []string, nozero, oneof bool) (sizer, marshaler) { - encoding := tags[0] - - pointer := false - slice := false - if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 { - slice = true - t = t.Elem() - } - if t.Kind() == reflect.Ptr { - pointer = true - t = t.Elem() - } - - packed := false - proto3 := false - validateUTF8 := true - for i := 2; i < len(tags); i++ { - if tags[i] == "packed" { - packed = true - } - if tags[i] == "proto3" { - proto3 = true - } - } - validateUTF8 = validateUTF8 && proto3 - - switch t.Kind() { - case reflect.Bool: - if pointer { - return sizeBoolPtr, appendBoolPtr - } - if slice { - if packed { - return sizeBoolPackedSlice, appendBoolPackedSlice - } - return sizeBoolSlice, appendBoolSlice - } - if nozero { - return sizeBoolValueNoZero, appendBoolValueNoZero - } - return sizeBoolValue, appendBoolValue - case reflect.Uint32: - switch encoding { - case "fixed32": - if pointer { - return sizeFixed32Ptr, appendFixed32Ptr - } - if slice { - if packed { - return sizeFixed32PackedSlice, appendFixed32PackedSlice - } - return sizeFixed32Slice, appendFixed32Slice - } - if nozero { - return sizeFixed32ValueNoZero, appendFixed32ValueNoZero - } - return sizeFixed32Value, appendFixed32Value - case "varint": - if pointer { - return sizeVarint32Ptr, appendVarint32Ptr - } - if slice { - if packed { - return sizeVarint32PackedSlice, appendVarint32PackedSlice - } - return sizeVarint32Slice, appendVarint32Slice - } - if nozero { - return sizeVarint32ValueNoZero, appendVarint32ValueNoZero - } - return sizeVarint32Value, appendVarint32Value - } - case reflect.Int32: - switch encoding { - case "fixed32": - if pointer { - return sizeFixedS32Ptr, appendFixedS32Ptr - } - if slice { - if packed { - return sizeFixedS32PackedSlice, appendFixedS32PackedSlice - } - return sizeFixedS32Slice, appendFixedS32Slice - } - if nozero { - return sizeFixedS32ValueNoZero, appendFixedS32ValueNoZero - } - return sizeFixedS32Value, appendFixedS32Value - case "varint": - if pointer { - return sizeVarintS32Ptr, appendVarintS32Ptr - } - if slice { - if packed { - return sizeVarintS32PackedSlice, appendVarintS32PackedSlice - } - return sizeVarintS32Slice, appendVarintS32Slice - } - if nozero { - return sizeVarintS32ValueNoZero, appendVarintS32ValueNoZero - } - return sizeVarintS32Value, appendVarintS32Value - case "zigzag32": - if pointer { - return sizeZigzag32Ptr, appendZigzag32Ptr - } - if slice { - if packed { - return sizeZigzag32PackedSlice, appendZigzag32PackedSlice - } - return sizeZigzag32Slice, appendZigzag32Slice - } - if nozero { - return sizeZigzag32ValueNoZero, appendZigzag32ValueNoZero - } - return sizeZigzag32Value, appendZigzag32Value - } - case reflect.Uint64: - switch encoding { - case "fixed64": - if pointer { - return sizeFixed64Ptr, appendFixed64Ptr - } - if slice { - if packed { - return sizeFixed64PackedSlice, appendFixed64PackedSlice - } - return sizeFixed64Slice, appendFixed64Slice - } - if nozero { - return sizeFixed64ValueNoZero, appendFixed64ValueNoZero - } - return sizeFixed64Value, appendFixed64Value - case "varint": - if pointer { - return sizeVarint64Ptr, appendVarint64Ptr - } - if slice { - if packed { - return sizeVarint64PackedSlice, appendVarint64PackedSlice - } - return sizeVarint64Slice, appendVarint64Slice - } - if nozero { - return sizeVarint64ValueNoZero, appendVarint64ValueNoZero - } - return sizeVarint64Value, appendVarint64Value - } - case reflect.Int64: - switch encoding { - case "fixed64": - if pointer { - return sizeFixedS64Ptr, appendFixedS64Ptr - } - if slice { - if packed { - return sizeFixedS64PackedSlice, appendFixedS64PackedSlice - } - return sizeFixedS64Slice, appendFixedS64Slice - } - if nozero { - return sizeFixedS64ValueNoZero, appendFixedS64ValueNoZero - } - return sizeFixedS64Value, appendFixedS64Value - case "varint": - if pointer { - return sizeVarintS64Ptr, appendVarintS64Ptr - } - if slice { - if packed { - return sizeVarintS64PackedSlice, appendVarintS64PackedSlice - } - return sizeVarintS64Slice, appendVarintS64Slice - } - if nozero { - return sizeVarintS64ValueNoZero, appendVarintS64ValueNoZero - } - return sizeVarintS64Value, appendVarintS64Value - case "zigzag64": - if pointer { - return sizeZigzag64Ptr, appendZigzag64Ptr - } - if slice { - if packed { - return sizeZigzag64PackedSlice, appendZigzag64PackedSlice - } - return sizeZigzag64Slice, appendZigzag64Slice - } - if nozero { - return sizeZigzag64ValueNoZero, appendZigzag64ValueNoZero - } - return sizeZigzag64Value, appendZigzag64Value - } - case reflect.Float32: - if pointer { - return sizeFloat32Ptr, appendFloat32Ptr - } - if slice { - if packed { - return sizeFloat32PackedSlice, appendFloat32PackedSlice - } - return sizeFloat32Slice, appendFloat32Slice - } - if nozero { - return sizeFloat32ValueNoZero, appendFloat32ValueNoZero - } - return sizeFloat32Value, appendFloat32Value - case reflect.Float64: - if pointer { - return sizeFloat64Ptr, appendFloat64Ptr - } - if slice { - if packed { - return sizeFloat64PackedSlice, appendFloat64PackedSlice - } - return sizeFloat64Slice, appendFloat64Slice - } - if nozero { - return sizeFloat64ValueNoZero, appendFloat64ValueNoZero - } - return sizeFloat64Value, appendFloat64Value - case reflect.String: - if validateUTF8 { - if pointer { - return sizeStringPtr, appendUTF8StringPtr - } - if slice { - return sizeStringSlice, appendUTF8StringSlice - } - if nozero { - return sizeStringValueNoZero, appendUTF8StringValueNoZero - } - return sizeStringValue, appendUTF8StringValue - } - if pointer { - return sizeStringPtr, appendStringPtr - } - if slice { - return sizeStringSlice, appendStringSlice - } - if nozero { - return sizeStringValueNoZero, appendStringValueNoZero - } - return sizeStringValue, appendStringValue - case reflect.Slice: - if slice { - return sizeBytesSlice, appendBytesSlice - } - if oneof { - // Oneof bytes field may also have "proto3" tag. - // We want to marshal it as a oneof field. Do this - // check before the proto3 check. - return sizeBytesOneof, appendBytesOneof - } - if proto3 { - return sizeBytes3, appendBytes3 - } - return sizeBytes, appendBytes - case reflect.Struct: - switch encoding { - case "group": - if slice { - return makeGroupSliceMarshaler(getMarshalInfo(t)) - } - return makeGroupMarshaler(getMarshalInfo(t)) - case "bytes": - if slice { - return makeMessageSliceMarshaler(getMarshalInfo(t)) - } - return makeMessageMarshaler(getMarshalInfo(t)) - } - } - panic(fmt.Sprintf("unknown or mismatched type: type: %v, wire type: %v", t, encoding)) -} - -// Below are functions to size/marshal a specific type of a field. -// They are stored in the field's info, and called by function pointers. -// They have type sizer or marshaler. - -func sizeFixed32Value(_ pointer, tagsize int) int { - return 4 + tagsize -} -func sizeFixed32ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toUint32() - if v == 0 { - return 0 - } - return 4 + tagsize -} -func sizeFixed32Ptr(ptr pointer, tagsize int) int { - p := *ptr.toUint32Ptr() - if p == nil { - return 0 - } - return 4 + tagsize -} -func sizeFixed32Slice(ptr pointer, tagsize int) int { - s := *ptr.toUint32Slice() - return (4 + tagsize) * len(s) -} -func sizeFixed32PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toUint32Slice() - if len(s) == 0 { - return 0 - } - return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize -} -func sizeFixedS32Value(_ pointer, tagsize int) int { - return 4 + tagsize -} -func sizeFixedS32ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toInt32() - if v == 0 { - return 0 - } - return 4 + tagsize -} -func sizeFixedS32Ptr(ptr pointer, tagsize int) int { - p := ptr.getInt32Ptr() - if p == nil { - return 0 - } - return 4 + tagsize -} -func sizeFixedS32Slice(ptr pointer, tagsize int) int { - s := ptr.getInt32Slice() - return (4 + tagsize) * len(s) -} -func sizeFixedS32PackedSlice(ptr pointer, tagsize int) int { - s := ptr.getInt32Slice() - if len(s) == 0 { - return 0 - } - return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize -} -func sizeFloat32Value(_ pointer, tagsize int) int { - return 4 + tagsize -} -func sizeFloat32ValueNoZero(ptr pointer, tagsize int) int { - v := math.Float32bits(*ptr.toFloat32()) - if v == 0 { - return 0 - } - return 4 + tagsize -} -func sizeFloat32Ptr(ptr pointer, tagsize int) int { - p := *ptr.toFloat32Ptr() - if p == nil { - return 0 - } - return 4 + tagsize -} -func sizeFloat32Slice(ptr pointer, tagsize int) int { - s := *ptr.toFloat32Slice() - return (4 + tagsize) * len(s) -} -func sizeFloat32PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toFloat32Slice() - if len(s) == 0 { - return 0 - } - return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize -} -func sizeFixed64Value(_ pointer, tagsize int) int { - return 8 + tagsize -} -func sizeFixed64ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toUint64() - if v == 0 { - return 0 - } - return 8 + tagsize -} -func sizeFixed64Ptr(ptr pointer, tagsize int) int { - p := *ptr.toUint64Ptr() - if p == nil { - return 0 - } - return 8 + tagsize -} -func sizeFixed64Slice(ptr pointer, tagsize int) int { - s := *ptr.toUint64Slice() - return (8 + tagsize) * len(s) -} -func sizeFixed64PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toUint64Slice() - if len(s) == 0 { - return 0 - } - return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize -} -func sizeFixedS64Value(_ pointer, tagsize int) int { - return 8 + tagsize -} -func sizeFixedS64ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toInt64() - if v == 0 { - return 0 - } - return 8 + tagsize -} -func sizeFixedS64Ptr(ptr pointer, tagsize int) int { - p := *ptr.toInt64Ptr() - if p == nil { - return 0 - } - return 8 + tagsize -} -func sizeFixedS64Slice(ptr pointer, tagsize int) int { - s := *ptr.toInt64Slice() - return (8 + tagsize) * len(s) -} -func sizeFixedS64PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toInt64Slice() - if len(s) == 0 { - return 0 - } - return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize -} -func sizeFloat64Value(_ pointer, tagsize int) int { - return 8 + tagsize -} -func sizeFloat64ValueNoZero(ptr pointer, tagsize int) int { - v := math.Float64bits(*ptr.toFloat64()) - if v == 0 { - return 0 - } - return 8 + tagsize -} -func sizeFloat64Ptr(ptr pointer, tagsize int) int { - p := *ptr.toFloat64Ptr() - if p == nil { - return 0 - } - return 8 + tagsize -} -func sizeFloat64Slice(ptr pointer, tagsize int) int { - s := *ptr.toFloat64Slice() - return (8 + tagsize) * len(s) -} -func sizeFloat64PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toFloat64Slice() - if len(s) == 0 { - return 0 - } - return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize -} -func sizeVarint32Value(ptr pointer, tagsize int) int { - v := *ptr.toUint32() - return SizeVarint(uint64(v)) + tagsize -} -func sizeVarint32ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toUint32() - if v == 0 { - return 0 - } - return SizeVarint(uint64(v)) + tagsize -} -func sizeVarint32Ptr(ptr pointer, tagsize int) int { - p := *ptr.toUint32Ptr() - if p == nil { - return 0 - } - return SizeVarint(uint64(*p)) + tagsize -} -func sizeVarint32Slice(ptr pointer, tagsize int) int { - s := *ptr.toUint32Slice() - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) + tagsize - } - return n -} -func sizeVarint32PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toUint32Slice() - if len(s) == 0 { - return 0 - } - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) - } - return n + SizeVarint(uint64(n)) + tagsize -} -func sizeVarintS32Value(ptr pointer, tagsize int) int { - v := *ptr.toInt32() - return SizeVarint(uint64(v)) + tagsize -} -func sizeVarintS32ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toInt32() - if v == 0 { - return 0 - } - return SizeVarint(uint64(v)) + tagsize -} -func sizeVarintS32Ptr(ptr pointer, tagsize int) int { - p := ptr.getInt32Ptr() - if p == nil { - return 0 - } - return SizeVarint(uint64(*p)) + tagsize -} -func sizeVarintS32Slice(ptr pointer, tagsize int) int { - s := ptr.getInt32Slice() - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) + tagsize - } - return n -} -func sizeVarintS32PackedSlice(ptr pointer, tagsize int) int { - s := ptr.getInt32Slice() - if len(s) == 0 { - return 0 - } - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) - } - return n + SizeVarint(uint64(n)) + tagsize -} -func sizeVarint64Value(ptr pointer, tagsize int) int { - v := *ptr.toUint64() - return SizeVarint(v) + tagsize -} -func sizeVarint64ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toUint64() - if v == 0 { - return 0 - } - return SizeVarint(v) + tagsize -} -func sizeVarint64Ptr(ptr pointer, tagsize int) int { - p := *ptr.toUint64Ptr() - if p == nil { - return 0 - } - return SizeVarint(*p) + tagsize -} -func sizeVarint64Slice(ptr pointer, tagsize int) int { - s := *ptr.toUint64Slice() - n := 0 - for _, v := range s { - n += SizeVarint(v) + tagsize - } - return n -} -func sizeVarint64PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toUint64Slice() - if len(s) == 0 { - return 0 - } - n := 0 - for _, v := range s { - n += SizeVarint(v) - } - return n + SizeVarint(uint64(n)) + tagsize -} -func sizeVarintS64Value(ptr pointer, tagsize int) int { - v := *ptr.toInt64() - return SizeVarint(uint64(v)) + tagsize -} -func sizeVarintS64ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toInt64() - if v == 0 { - return 0 - } - return SizeVarint(uint64(v)) + tagsize -} -func sizeVarintS64Ptr(ptr pointer, tagsize int) int { - p := *ptr.toInt64Ptr() - if p == nil { - return 0 - } - return SizeVarint(uint64(*p)) + tagsize -} -func sizeVarintS64Slice(ptr pointer, tagsize int) int { - s := *ptr.toInt64Slice() - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) + tagsize - } - return n -} -func sizeVarintS64PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toInt64Slice() - if len(s) == 0 { - return 0 - } - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) - } - return n + SizeVarint(uint64(n)) + tagsize -} -func sizeZigzag32Value(ptr pointer, tagsize int) int { - v := *ptr.toInt32() - return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize -} -func sizeZigzag32ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toInt32() - if v == 0 { - return 0 - } - return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize -} -func sizeZigzag32Ptr(ptr pointer, tagsize int) int { - p := ptr.getInt32Ptr() - if p == nil { - return 0 - } - v := *p - return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize -} -func sizeZigzag32Slice(ptr pointer, tagsize int) int { - s := ptr.getInt32Slice() - n := 0 - for _, v := range s { - n += SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize - } - return n -} -func sizeZigzag32PackedSlice(ptr pointer, tagsize int) int { - s := ptr.getInt32Slice() - if len(s) == 0 { - return 0 - } - n := 0 - for _, v := range s { - n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31)))) - } - return n + SizeVarint(uint64(n)) + tagsize -} -func sizeZigzag64Value(ptr pointer, tagsize int) int { - v := *ptr.toInt64() - return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize -} -func sizeZigzag64ValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toInt64() - if v == 0 { - return 0 - } - return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize -} -func sizeZigzag64Ptr(ptr pointer, tagsize int) int { - p := *ptr.toInt64Ptr() - if p == nil { - return 0 - } - v := *p - return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize -} -func sizeZigzag64Slice(ptr pointer, tagsize int) int { - s := *ptr.toInt64Slice() - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize - } - return n -} -func sizeZigzag64PackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toInt64Slice() - if len(s) == 0 { - return 0 - } - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63))) - } - return n + SizeVarint(uint64(n)) + tagsize -} -func sizeBoolValue(_ pointer, tagsize int) int { - return 1 + tagsize -} -func sizeBoolValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toBool() - if !v { - return 0 - } - return 1 + tagsize -} -func sizeBoolPtr(ptr pointer, tagsize int) int { - p := *ptr.toBoolPtr() - if p == nil { - return 0 - } - return 1 + tagsize -} -func sizeBoolSlice(ptr pointer, tagsize int) int { - s := *ptr.toBoolSlice() - return (1 + tagsize) * len(s) -} -func sizeBoolPackedSlice(ptr pointer, tagsize int) int { - s := *ptr.toBoolSlice() - if len(s) == 0 { - return 0 - } - return len(s) + SizeVarint(uint64(len(s))) + tagsize -} -func sizeStringValue(ptr pointer, tagsize int) int { - v := *ptr.toString() - return len(v) + SizeVarint(uint64(len(v))) + tagsize -} -func sizeStringValueNoZero(ptr pointer, tagsize int) int { - v := *ptr.toString() - if v == "" { - return 0 - } - return len(v) + SizeVarint(uint64(len(v))) + tagsize -} -func sizeStringPtr(ptr pointer, tagsize int) int { - p := *ptr.toStringPtr() - if p == nil { - return 0 - } - v := *p - return len(v) + SizeVarint(uint64(len(v))) + tagsize -} -func sizeStringSlice(ptr pointer, tagsize int) int { - s := *ptr.toStringSlice() - n := 0 - for _, v := range s { - n += len(v) + SizeVarint(uint64(len(v))) + tagsize - } - return n -} -func sizeBytes(ptr pointer, tagsize int) int { - v := *ptr.toBytes() - if v == nil { - return 0 - } - return len(v) + SizeVarint(uint64(len(v))) + tagsize -} -func sizeBytes3(ptr pointer, tagsize int) int { - v := *ptr.toBytes() - if len(v) == 0 { - return 0 - } - return len(v) + SizeVarint(uint64(len(v))) + tagsize -} -func sizeBytesOneof(ptr pointer, tagsize int) int { - v := *ptr.toBytes() - return len(v) + SizeVarint(uint64(len(v))) + tagsize -} -func sizeBytesSlice(ptr pointer, tagsize int) int { - s := *ptr.toBytesSlice() - n := 0 - for _, v := range s { - n += len(v) + SizeVarint(uint64(len(v))) + tagsize - } - return n -} - -// appendFixed32 appends an encoded fixed32 to b. -func appendFixed32(b []byte, v uint32) []byte { - b = append(b, - byte(v), - byte(v>>8), - byte(v>>16), - byte(v>>24)) - return b -} - -// appendFixed64 appends an encoded fixed64 to b. -func appendFixed64(b []byte, v uint64) []byte { - b = append(b, - byte(v), - byte(v>>8), - byte(v>>16), - byte(v>>24), - byte(v>>32), - byte(v>>40), - byte(v>>48), - byte(v>>56)) - return b -} - -// appendVarint appends an encoded varint to b. -func appendVarint(b []byte, v uint64) []byte { - // TODO: make 1-byte (maybe 2-byte) case inline-able, once we - // have non-leaf inliner. - switch { - case v < 1<<7: - b = append(b, byte(v)) - case v < 1<<14: - b = append(b, - byte(v&0x7f|0x80), - byte(v>>7)) - case v < 1<<21: - b = append(b, - byte(v&0x7f|0x80), - byte((v>>7)&0x7f|0x80), - byte(v>>14)) - case v < 1<<28: - b = append(b, - byte(v&0x7f|0x80), - byte((v>>7)&0x7f|0x80), - byte((v>>14)&0x7f|0x80), - byte(v>>21)) - case v < 1<<35: - b = append(b, - byte(v&0x7f|0x80), - byte((v>>7)&0x7f|0x80), - byte((v>>14)&0x7f|0x80), - byte((v>>21)&0x7f|0x80), - byte(v>>28)) - case v < 1<<42: - b = append(b, - byte(v&0x7f|0x80), - byte((v>>7)&0x7f|0x80), - byte((v>>14)&0x7f|0x80), - byte((v>>21)&0x7f|0x80), - byte((v>>28)&0x7f|0x80), - byte(v>>35)) - case v < 1<<49: - b = append(b, - byte(v&0x7f|0x80), - byte((v>>7)&0x7f|0x80), - byte((v>>14)&0x7f|0x80), - byte((v>>21)&0x7f|0x80), - byte((v>>28)&0x7f|0x80), - byte((v>>35)&0x7f|0x80), - byte(v>>42)) - case v < 1<<56: - b = append(b, - byte(v&0x7f|0x80), - byte((v>>7)&0x7f|0x80), - byte((v>>14)&0x7f|0x80), - byte((v>>21)&0x7f|0x80), - byte((v>>28)&0x7f|0x80), - byte((v>>35)&0x7f|0x80), - byte((v>>42)&0x7f|0x80), - byte(v>>49)) - case v < 1<<63: - b = append(b, - byte(v&0x7f|0x80), - byte((v>>7)&0x7f|0x80), - byte((v>>14)&0x7f|0x80), - byte((v>>21)&0x7f|0x80), - byte((v>>28)&0x7f|0x80), - byte((v>>35)&0x7f|0x80), - byte((v>>42)&0x7f|0x80), - byte((v>>49)&0x7f|0x80), - byte(v>>56)) - default: - b = append(b, - byte(v&0x7f|0x80), - byte((v>>7)&0x7f|0x80), - byte((v>>14)&0x7f|0x80), - byte((v>>21)&0x7f|0x80), - byte((v>>28)&0x7f|0x80), - byte((v>>35)&0x7f|0x80), - byte((v>>42)&0x7f|0x80), - byte((v>>49)&0x7f|0x80), - byte((v>>56)&0x7f|0x80), - 1) - } - return b -} - -func appendFixed32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toUint32() - b = appendVarint(b, wiretag) - b = appendFixed32(b, v) - return b, nil -} -func appendFixed32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toUint32() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed32(b, v) - return b, nil -} -func appendFixed32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toUint32Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed32(b, *p) - return b, nil -} -func appendFixed32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toUint32Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendFixed32(b, v) - } - return b, nil -} -func appendFixed32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toUint32Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - b = appendVarint(b, uint64(4*len(s))) - for _, v := range s { - b = appendFixed32(b, v) - } - return b, nil -} -func appendFixedS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt32() - b = appendVarint(b, wiretag) - b = appendFixed32(b, uint32(v)) - return b, nil -} -func appendFixedS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt32() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed32(b, uint32(v)) - return b, nil -} -func appendFixedS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := ptr.getInt32Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed32(b, uint32(*p)) - return b, nil -} -func appendFixedS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := ptr.getInt32Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendFixed32(b, uint32(v)) - } - return b, nil -} -func appendFixedS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := ptr.getInt32Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - b = appendVarint(b, uint64(4*len(s))) - for _, v := range s { - b = appendFixed32(b, uint32(v)) - } - return b, nil -} -func appendFloat32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := math.Float32bits(*ptr.toFloat32()) - b = appendVarint(b, wiretag) - b = appendFixed32(b, v) - return b, nil -} -func appendFloat32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := math.Float32bits(*ptr.toFloat32()) - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed32(b, v) - return b, nil -} -func appendFloat32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toFloat32Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed32(b, math.Float32bits(*p)) - return b, nil -} -func appendFloat32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toFloat32Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendFixed32(b, math.Float32bits(v)) - } - return b, nil -} -func appendFloat32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toFloat32Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - b = appendVarint(b, uint64(4*len(s))) - for _, v := range s { - b = appendFixed32(b, math.Float32bits(v)) - } - return b, nil -} -func appendFixed64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toUint64() - b = appendVarint(b, wiretag) - b = appendFixed64(b, v) - return b, nil -} -func appendFixed64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toUint64() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed64(b, v) - return b, nil -} -func appendFixed64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toUint64Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed64(b, *p) - return b, nil -} -func appendFixed64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toUint64Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendFixed64(b, v) - } - return b, nil -} -func appendFixed64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toUint64Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - b = appendVarint(b, uint64(8*len(s))) - for _, v := range s { - b = appendFixed64(b, v) - } - return b, nil -} -func appendFixedS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt64() - b = appendVarint(b, wiretag) - b = appendFixed64(b, uint64(v)) - return b, nil -} -func appendFixedS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt64() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed64(b, uint64(v)) - return b, nil -} -func appendFixedS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toInt64Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed64(b, uint64(*p)) - return b, nil -} -func appendFixedS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toInt64Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendFixed64(b, uint64(v)) - } - return b, nil -} -func appendFixedS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toInt64Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - b = appendVarint(b, uint64(8*len(s))) - for _, v := range s { - b = appendFixed64(b, uint64(v)) - } - return b, nil -} -func appendFloat64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := math.Float64bits(*ptr.toFloat64()) - b = appendVarint(b, wiretag) - b = appendFixed64(b, v) - return b, nil -} -func appendFloat64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := math.Float64bits(*ptr.toFloat64()) - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed64(b, v) - return b, nil -} -func appendFloat64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toFloat64Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendFixed64(b, math.Float64bits(*p)) - return b, nil -} -func appendFloat64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toFloat64Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendFixed64(b, math.Float64bits(v)) - } - return b, nil -} -func appendFloat64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toFloat64Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - b = appendVarint(b, uint64(8*len(s))) - for _, v := range s { - b = appendFixed64(b, math.Float64bits(v)) - } - return b, nil -} -func appendVarint32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toUint32() - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - return b, nil -} -func appendVarint32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toUint32() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - return b, nil -} -func appendVarint32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toUint32Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(*p)) - return b, nil -} -func appendVarint32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toUint32Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - } - return b, nil -} -func appendVarint32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toUint32Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - // compute size - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) - } - b = appendVarint(b, uint64(n)) - for _, v := range s { - b = appendVarint(b, uint64(v)) - } - return b, nil -} -func appendVarintS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt32() - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - return b, nil -} -func appendVarintS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt32() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - return b, nil -} -func appendVarintS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := ptr.getInt32Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(*p)) - return b, nil -} -func appendVarintS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := ptr.getInt32Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - } - return b, nil -} -func appendVarintS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := ptr.getInt32Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - // compute size - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) - } - b = appendVarint(b, uint64(n)) - for _, v := range s { - b = appendVarint(b, uint64(v)) - } - return b, nil -} -func appendVarint64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toUint64() - b = appendVarint(b, wiretag) - b = appendVarint(b, v) - return b, nil -} -func appendVarint64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toUint64() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, v) - return b, nil -} -func appendVarint64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toUint64Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, *p) - return b, nil -} -func appendVarint64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toUint64Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendVarint(b, v) - } - return b, nil -} -func appendVarint64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toUint64Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - // compute size - n := 0 - for _, v := range s { - n += SizeVarint(v) - } - b = appendVarint(b, uint64(n)) - for _, v := range s { - b = appendVarint(b, v) - } - return b, nil -} -func appendVarintS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt64() - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - return b, nil -} -func appendVarintS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt64() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - return b, nil -} -func appendVarintS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toInt64Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(*p)) - return b, nil -} -func appendVarintS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toInt64Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v)) - } - return b, nil -} -func appendVarintS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toInt64Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - // compute size - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v)) - } - b = appendVarint(b, uint64(n)) - for _, v := range s { - b = appendVarint(b, uint64(v)) - } - return b, nil -} -func appendZigzag32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt32() - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) - return b, nil -} -func appendZigzag32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt32() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) - return b, nil -} -func appendZigzag32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := ptr.getInt32Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - v := *p - b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) - return b, nil -} -func appendZigzag32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := ptr.getInt32Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) - } - return b, nil -} -func appendZigzag32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := ptr.getInt32Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - // compute size - n := 0 - for _, v := range s { - n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31)))) - } - b = appendVarint(b, uint64(n)) - for _, v := range s { - b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) - } - return b, nil -} -func appendZigzag64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt64() - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) - return b, nil -} -func appendZigzag64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toInt64() - if v == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) - return b, nil -} -func appendZigzag64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toInt64Ptr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - v := *p - b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) - return b, nil -} -func appendZigzag64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toInt64Slice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) - } - return b, nil -} -func appendZigzag64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toInt64Slice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - // compute size - n := 0 - for _, v := range s { - n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63))) - } - b = appendVarint(b, uint64(n)) - for _, v := range s { - b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) - } - return b, nil -} -func appendBoolValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toBool() - b = appendVarint(b, wiretag) - if v { - b = append(b, 1) - } else { - b = append(b, 0) - } - return b, nil -} -func appendBoolValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toBool() - if !v { - return b, nil - } - b = appendVarint(b, wiretag) - b = append(b, 1) - return b, nil -} - -func appendBoolPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toBoolPtr() - if p == nil { - return b, nil - } - b = appendVarint(b, wiretag) - if *p { - b = append(b, 1) - } else { - b = append(b, 0) - } - return b, nil -} -func appendBoolSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toBoolSlice() - for _, v := range s { - b = appendVarint(b, wiretag) - if v { - b = append(b, 1) - } else { - b = append(b, 0) - } - } - return b, nil -} -func appendBoolPackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toBoolSlice() - if len(s) == 0 { - return b, nil - } - b = appendVarint(b, wiretag&^7|WireBytes) - b = appendVarint(b, uint64(len(s))) - for _, v := range s { - if v { - b = append(b, 1) - } else { - b = append(b, 0) - } - } - return b, nil -} -func appendStringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toString() - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - return b, nil -} -func appendStringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toString() - if v == "" { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - return b, nil -} -func appendStringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - p := *ptr.toStringPtr() - if p == nil { - return b, nil - } - v := *p - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - return b, nil -} -func appendStringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toStringSlice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - } - return b, nil -} -func appendUTF8StringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - var invalidUTF8 bool - v := *ptr.toString() - if !utf8.ValidString(v) { - invalidUTF8 = true - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - if invalidUTF8 { - return b, errInvalidUTF8 - } - return b, nil -} -func appendUTF8StringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - var invalidUTF8 bool - v := *ptr.toString() - if v == "" { - return b, nil - } - if !utf8.ValidString(v) { - invalidUTF8 = true - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - if invalidUTF8 { - return b, errInvalidUTF8 - } - return b, nil -} -func appendUTF8StringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - var invalidUTF8 bool - p := *ptr.toStringPtr() - if p == nil { - return b, nil - } - v := *p - if !utf8.ValidString(v) { - invalidUTF8 = true - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - if invalidUTF8 { - return b, errInvalidUTF8 - } - return b, nil -} -func appendUTF8StringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - var invalidUTF8 bool - s := *ptr.toStringSlice() - for _, v := range s { - if !utf8.ValidString(v) { - invalidUTF8 = true - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - } - if invalidUTF8 { - return b, errInvalidUTF8 - } - return b, nil -} -func appendBytes(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toBytes() - if v == nil { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - return b, nil -} -func appendBytes3(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toBytes() - if len(v) == 0 { - return b, nil - } - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - return b, nil -} -func appendBytesOneof(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - v := *ptr.toBytes() - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - return b, nil -} -func appendBytesSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { - s := *ptr.toBytesSlice() - for _, v := range s { - b = appendVarint(b, wiretag) - b = appendVarint(b, uint64(len(v))) - b = append(b, v...) - } - return b, nil -} - -// makeGroupMarshaler returns the sizer and marshaler for a group. -// u is the marshal info of the underlying message. -func makeGroupMarshaler(u *marshalInfo) (sizer, marshaler) { - return func(ptr pointer, tagsize int) int { - p := ptr.getPointer() - if p.isNil() { - return 0 - } - return u.size(p) + 2*tagsize - }, - func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { - p := ptr.getPointer() - if p.isNil() { - return b, nil - } - var err error - b = appendVarint(b, wiretag) // start group - b, err = u.marshal(b, p, deterministic) - b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group - return b, err - } -} - -// makeGroupSliceMarshaler returns the sizer and marshaler for a group slice. -// u is the marshal info of the underlying message. -func makeGroupSliceMarshaler(u *marshalInfo) (sizer, marshaler) { - return func(ptr pointer, tagsize int) int { - s := ptr.getPointerSlice() - n := 0 - for _, v := range s { - if v.isNil() { - continue - } - n += u.size(v) + 2*tagsize - } - return n - }, - func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { - s := ptr.getPointerSlice() - var err error - var nerr nonFatal - for _, v := range s { - if v.isNil() { - return b, errRepeatedHasNil - } - b = appendVarint(b, wiretag) // start group - b, err = u.marshal(b, v, deterministic) - b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group - if !nerr.Merge(err) { - if err == ErrNil { - err = errRepeatedHasNil - } - return b, err - } - } - return b, nerr.E - } -} - -// makeMessageMarshaler returns the sizer and marshaler for a message field. -// u is the marshal info of the message. -func makeMessageMarshaler(u *marshalInfo) (sizer, marshaler) { - return func(ptr pointer, tagsize int) int { - p := ptr.getPointer() - if p.isNil() { - return 0 - } - siz := u.size(p) - return siz + SizeVarint(uint64(siz)) + tagsize - }, - func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { - p := ptr.getPointer() - if p.isNil() { - return b, nil - } - b = appendVarint(b, wiretag) - siz := u.cachedsize(p) - b = appendVarint(b, uint64(siz)) - return u.marshal(b, p, deterministic) - } -} - -// makeMessageSliceMarshaler returns the sizer and marshaler for a message slice. -// u is the marshal info of the message. -func makeMessageSliceMarshaler(u *marshalInfo) (sizer, marshaler) { - return func(ptr pointer, tagsize int) int { - s := ptr.getPointerSlice() - n := 0 - for _, v := range s { - if v.isNil() { - continue - } - siz := u.size(v) - n += siz + SizeVarint(uint64(siz)) + tagsize - } - return n - }, - func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { - s := ptr.getPointerSlice() - var err error - var nerr nonFatal - for _, v := range s { - if v.isNil() { - return b, errRepeatedHasNil - } - b = appendVarint(b, wiretag) - siz := u.cachedsize(v) - b = appendVarint(b, uint64(siz)) - b, err = u.marshal(b, v, deterministic) - - if !nerr.Merge(err) { - if err == ErrNil { - err = errRepeatedHasNil - } - return b, err - } - } - return b, nerr.E - } -} - -// makeMapMarshaler returns the sizer and marshaler for a map field. -// f is the pointer to the reflect data structure of the field. -func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) { - // figure out key and value type - t := f.Type - keyType := t.Key() - valType := t.Elem() - keyTags := strings.Split(f.Tag.Get("protobuf_key"), ",") - valTags := strings.Split(f.Tag.Get("protobuf_val"), ",") - keySizer, keyMarshaler := typeMarshaler(keyType, keyTags, false, false) // don't omit zero value in map - valSizer, valMarshaler := typeMarshaler(valType, valTags, false, false) // don't omit zero value in map - keyWireTag := 1<<3 | wiretype(keyTags[0]) - valWireTag := 2<<3 | wiretype(valTags[0]) - - // We create an interface to get the addresses of the map key and value. - // If value is pointer-typed, the interface is a direct interface, the - // idata itself is the value. Otherwise, the idata is the pointer to the - // value. - // Key cannot be pointer-typed. - valIsPtr := valType.Kind() == reflect.Ptr - - // If value is a message with nested maps, calling - // valSizer in marshal may be quadratic. We should use - // cached version in marshal (but not in size). - // If value is not message type, we don't have size cache, - // but it cannot be nested either. Just use valSizer. - valCachedSizer := valSizer - if valIsPtr && valType.Elem().Kind() == reflect.Struct { - u := getMarshalInfo(valType.Elem()) - valCachedSizer = func(ptr pointer, tagsize int) int { - // Same as message sizer, but use cache. - p := ptr.getPointer() - if p.isNil() { - return 0 - } - siz := u.cachedsize(p) - return siz + SizeVarint(uint64(siz)) + tagsize - } - } - return func(ptr pointer, tagsize int) int { - m := ptr.asPointerTo(t).Elem() // the map - n := 0 - for _, k := range m.MapKeys() { - ki := k.Interface() - vi := m.MapIndex(k).Interface() - kaddr := toAddrPointer(&ki, false) // pointer to key - vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value - siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1) - n += siz + SizeVarint(uint64(siz)) + tagsize - } - return n - }, - func(b []byte, ptr pointer, tag uint64, deterministic bool) ([]byte, error) { - m := ptr.asPointerTo(t).Elem() // the map - var err error - keys := m.MapKeys() - if len(keys) > 1 && deterministic { - sort.Sort(mapKeys(keys)) - } - - var nerr nonFatal - for _, k := range keys { - ki := k.Interface() - vi := m.MapIndex(k).Interface() - kaddr := toAddrPointer(&ki, false) // pointer to key - vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value - b = appendVarint(b, tag) - siz := keySizer(kaddr, 1) + valCachedSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1) - b = appendVarint(b, uint64(siz)) - b, err = keyMarshaler(b, kaddr, keyWireTag, deterministic) - if !nerr.Merge(err) { - return b, err - } - b, err = valMarshaler(b, vaddr, valWireTag, deterministic) - if err != ErrNil && !nerr.Merge(err) { // allow nil value in map - return b, err - } - } - return b, nerr.E - } -} - -// makeOneOfMarshaler returns the sizer and marshaler for a oneof field. -// fi is the marshal info of the field. -// f is the pointer to the reflect data structure of the field. -func makeOneOfMarshaler(fi *marshalFieldInfo, f *reflect.StructField) (sizer, marshaler) { - // Oneof field is an interface. We need to get the actual data type on the fly. - t := f.Type - return func(ptr pointer, _ int) int { - p := ptr.getInterfacePointer() - if p.isNil() { - return 0 - } - v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct - telem := v.Type() - e := fi.oneofElems[telem] - return e.sizer(p, e.tagsize) - }, - func(b []byte, ptr pointer, _ uint64, deterministic bool) ([]byte, error) { - p := ptr.getInterfacePointer() - if p.isNil() { - return b, nil - } - v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct - telem := v.Type() - if telem.Field(0).Type.Kind() == reflect.Ptr && p.getPointer().isNil() { - return b, errOneofHasNil - } - e := fi.oneofElems[telem] - return e.marshaler(b, p, e.wiretag, deterministic) - } -} - -// sizeExtensions computes the size of encoded data for a XXX_InternalExtensions field. -func (u *marshalInfo) sizeExtensions(ext *XXX_InternalExtensions) int { - m, mu := ext.extensionsRead() - if m == nil { - return 0 - } - mu.Lock() - - n := 0 - for _, e := range m { - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - n += len(e.enc) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - ei := u.getExtElemInfo(e.desc) - v := e.value - p := toAddrPointer(&v, ei.isptr) - n += ei.sizer(p, ei.tagsize) - } - mu.Unlock() - return n -} - -// appendExtensions marshals a XXX_InternalExtensions field to the end of byte slice b. -func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) { - m, mu := ext.extensionsRead() - if m == nil { - return b, nil - } - mu.Lock() - defer mu.Unlock() - - var err error - var nerr nonFatal - - // Fast-path for common cases: zero or one extensions. - // Don't bother sorting the keys. - if len(m) <= 1 { - for _, e := range m { - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - b = append(b, e.enc...) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - ei := u.getExtElemInfo(e.desc) - v := e.value - p := toAddrPointer(&v, ei.isptr) - b, err = ei.marshaler(b, p, ei.wiretag, deterministic) - if !nerr.Merge(err) { - return b, err - } - } - return b, nerr.E - } - - // Sort the keys to provide a deterministic encoding. - // Not sure this is required, but the old code does it. - keys := make([]int, 0, len(m)) - for k := range m { - keys = append(keys, int(k)) - } - sort.Ints(keys) - - for _, k := range keys { - e := m[int32(k)] - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - b = append(b, e.enc...) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - ei := u.getExtElemInfo(e.desc) - v := e.value - p := toAddrPointer(&v, ei.isptr) - b, err = ei.marshaler(b, p, ei.wiretag, deterministic) - if !nerr.Merge(err) { - return b, err - } - } - return b, nerr.E -} - -// message set format is: -// message MessageSet { -// repeated group Item = 1 { -// required int32 type_id = 2; -// required string message = 3; -// }; -// } - -// sizeMessageSet computes the size of encoded data for a XXX_InternalExtensions field -// in message set format (above). -func (u *marshalInfo) sizeMessageSet(ext *XXX_InternalExtensions) int { - m, mu := ext.extensionsRead() - if m == nil { - return 0 - } - mu.Lock() - - n := 0 - for id, e := range m { - n += 2 // start group, end group. tag = 1 (size=1) - n += SizeVarint(uint64(id)) + 1 // type_id, tag = 2 (size=1) - - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint - siz := len(msgWithLen) - n += siz + 1 // message, tag = 3 (size=1) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - ei := u.getExtElemInfo(e.desc) - v := e.value - p := toAddrPointer(&v, ei.isptr) - n += ei.sizer(p, 1) // message, tag = 3 (size=1) - } - mu.Unlock() - return n -} - -// appendMessageSet marshals a XXX_InternalExtensions field in message set format (above) -// to the end of byte slice b. -func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) { - m, mu := ext.extensionsRead() - if m == nil { - return b, nil - } - mu.Lock() - defer mu.Unlock() - - var err error - var nerr nonFatal - - // Fast-path for common cases: zero or one extensions. - // Don't bother sorting the keys. - if len(m) <= 1 { - for id, e := range m { - b = append(b, 1<<3|WireStartGroup) - b = append(b, 2<<3|WireVarint) - b = appendVarint(b, uint64(id)) - - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint - b = append(b, 3<<3|WireBytes) - b = append(b, msgWithLen...) - b = append(b, 1<<3|WireEndGroup) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - ei := u.getExtElemInfo(e.desc) - v := e.value - p := toAddrPointer(&v, ei.isptr) - b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic) - if !nerr.Merge(err) { - return b, err - } - b = append(b, 1<<3|WireEndGroup) - } - return b, nerr.E - } - - // Sort the keys to provide a deterministic encoding. - keys := make([]int, 0, len(m)) - for k := range m { - keys = append(keys, int(k)) - } - sort.Ints(keys) - - for _, id := range keys { - e := m[int32(id)] - b = append(b, 1<<3|WireStartGroup) - b = append(b, 2<<3|WireVarint) - b = appendVarint(b, uint64(id)) - - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint - b = append(b, 3<<3|WireBytes) - b = append(b, msgWithLen...) - b = append(b, 1<<3|WireEndGroup) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - ei := u.getExtElemInfo(e.desc) - v := e.value - p := toAddrPointer(&v, ei.isptr) - b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic) - b = append(b, 1<<3|WireEndGroup) - if !nerr.Merge(err) { - return b, err - } - } - return b, nerr.E -} - -// sizeV1Extensions computes the size of encoded data for a V1-API extension field. -func (u *marshalInfo) sizeV1Extensions(m map[int32]Extension) int { - if m == nil { - return 0 - } - - n := 0 - for _, e := range m { - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - n += len(e.enc) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - ei := u.getExtElemInfo(e.desc) - v := e.value - p := toAddrPointer(&v, ei.isptr) - n += ei.sizer(p, ei.tagsize) - } - return n -} - -// appendV1Extensions marshals a V1-API extension field to the end of byte slice b. -func (u *marshalInfo) appendV1Extensions(b []byte, m map[int32]Extension, deterministic bool) ([]byte, error) { - if m == nil { - return b, nil - } - - // Sort the keys to provide a deterministic encoding. - keys := make([]int, 0, len(m)) - for k := range m { - keys = append(keys, int(k)) - } - sort.Ints(keys) - - var err error - var nerr nonFatal - for _, k := range keys { - e := m[int32(k)] - if e.value == nil || e.desc == nil { - // Extension is only in its encoded form. - b = append(b, e.enc...) - continue - } - - // We don't skip extensions that have an encoded form set, - // because the extension value may have been mutated after - // the last time this function was called. - - ei := u.getExtElemInfo(e.desc) - v := e.value - p := toAddrPointer(&v, ei.isptr) - b, err = ei.marshaler(b, p, ei.wiretag, deterministic) - if !nerr.Merge(err) { - return b, err - } - } - return b, nerr.E -} - -// newMarshaler is the interface representing objects that can marshal themselves. -// -// This exists to support protoc-gen-go generated messages. -// The proto package will stop type-asserting to this interface in the future. -// -// DO NOT DEPEND ON THIS. -type newMarshaler interface { - XXX_Size() int - XXX_Marshal(b []byte, deterministic bool) ([]byte, error) -} - -// Size returns the encoded size of a protocol buffer message. -// This is the main entry point. -func Size(pb Message) int { - if m, ok := pb.(newMarshaler); ok { - return m.XXX_Size() - } - if m, ok := pb.(Marshaler); ok { - // If the message can marshal itself, let it do it, for compatibility. - // NOTE: This is not efficient. - b, _ := m.Marshal() - return len(b) - } - // in case somehow we didn't generate the wrapper - if pb == nil { - return 0 - } - var info InternalMessageInfo - return info.Size(pb) -} - -// Marshal takes a protocol buffer message -// and encodes it into the wire format, returning the data. -// This is the main entry point. -func Marshal(pb Message) ([]byte, error) { - if m, ok := pb.(newMarshaler); ok { - siz := m.XXX_Size() - b := make([]byte, 0, siz) - return m.XXX_Marshal(b, false) - } - if m, ok := pb.(Marshaler); ok { - // If the message can marshal itself, let it do it, for compatibility. - // NOTE: This is not efficient. - return m.Marshal() - } - // in case somehow we didn't generate the wrapper - if pb == nil { - return nil, ErrNil - } - var info InternalMessageInfo - siz := info.Size(pb) - b := make([]byte, 0, siz) - return info.Marshal(b, pb, false) -} - -// Marshal takes a protocol buffer message -// and encodes it into the wire format, writing the result to the -// Buffer. -// This is an alternative entry point. It is not necessary to use -// a Buffer for most applications. -func (p *Buffer) Marshal(pb Message) error { - var err error - if m, ok := pb.(newMarshaler); ok { - siz := m.XXX_Size() - p.grow(siz) // make sure buf has enough capacity - p.buf, err = m.XXX_Marshal(p.buf, p.deterministic) - return err - } - if m, ok := pb.(Marshaler); ok { - // If the message can marshal itself, let it do it, for compatibility. - // NOTE: This is not efficient. - b, err := m.Marshal() - p.buf = append(p.buf, b...) - return err - } - // in case somehow we didn't generate the wrapper - if pb == nil { - return ErrNil - } - var info InternalMessageInfo - siz := info.Size(pb) - p.grow(siz) // make sure buf has enough capacity - p.buf, err = info.Marshal(p.buf, pb, p.deterministic) - return err -} - -// grow grows the buffer's capacity, if necessary, to guarantee space for -// another n bytes. After grow(n), at least n bytes can be written to the -// buffer without another allocation. -func (p *Buffer) grow(n int) { - need := len(p.buf) + n - if need <= cap(p.buf) { - return - } - newCap := len(p.buf) * 2 - if newCap < need { - newCap = need - } - p.buf = append(make([]byte, 0, newCap), p.buf...) -} diff --git a/vendor/github.com/golang/protobuf/proto/table_merge.go b/vendor/github.com/golang/protobuf/proto/table_merge.go deleted file mode 100644 index 5525def..0000000 --- a/vendor/github.com/golang/protobuf/proto/table_merge.go +++ /dev/null @@ -1,654 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2016 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -import ( - "fmt" - "reflect" - "strings" - "sync" - "sync/atomic" -) - -// Merge merges the src message into dst. -// This assumes that dst and src of the same type and are non-nil. -func (a *InternalMessageInfo) Merge(dst, src Message) { - mi := atomicLoadMergeInfo(&a.merge) - if mi == nil { - mi = getMergeInfo(reflect.TypeOf(dst).Elem()) - atomicStoreMergeInfo(&a.merge, mi) - } - mi.merge(toPointer(&dst), toPointer(&src)) -} - -type mergeInfo struct { - typ reflect.Type - - initialized int32 // 0: only typ is valid, 1: everything is valid - lock sync.Mutex - - fields []mergeFieldInfo - unrecognized field // Offset of XXX_unrecognized -} - -type mergeFieldInfo struct { - field field // Offset of field, guaranteed to be valid - - // isPointer reports whether the value in the field is a pointer. - // This is true for the following situations: - // * Pointer to struct - // * Pointer to basic type (proto2 only) - // * Slice (first value in slice header is a pointer) - // * String (first value in string header is a pointer) - isPointer bool - - // basicWidth reports the width of the field assuming that it is directly - // embedded in the struct (as is the case for basic types in proto3). - // The possible values are: - // 0: invalid - // 1: bool - // 4: int32, uint32, float32 - // 8: int64, uint64, float64 - basicWidth int - - // Where dst and src are pointers to the types being merged. - merge func(dst, src pointer) -} - -var ( - mergeInfoMap = map[reflect.Type]*mergeInfo{} - mergeInfoLock sync.Mutex -) - -func getMergeInfo(t reflect.Type) *mergeInfo { - mergeInfoLock.Lock() - defer mergeInfoLock.Unlock() - mi := mergeInfoMap[t] - if mi == nil { - mi = &mergeInfo{typ: t} - mergeInfoMap[t] = mi - } - return mi -} - -// merge merges src into dst assuming they are both of type *mi.typ. -func (mi *mergeInfo) merge(dst, src pointer) { - if dst.isNil() { - panic("proto: nil destination") - } - if src.isNil() { - return // Nothing to do. - } - - if atomic.LoadInt32(&mi.initialized) == 0 { - mi.computeMergeInfo() - } - - for _, fi := range mi.fields { - sfp := src.offset(fi.field) - - // As an optimization, we can avoid the merge function call cost - // if we know for sure that the source will have no effect - // by checking if it is the zero value. - if unsafeAllowed { - if fi.isPointer && sfp.getPointer().isNil() { // Could be slice or string - continue - } - if fi.basicWidth > 0 { - switch { - case fi.basicWidth == 1 && !*sfp.toBool(): - continue - case fi.basicWidth == 4 && *sfp.toUint32() == 0: - continue - case fi.basicWidth == 8 && *sfp.toUint64() == 0: - continue - } - } - } - - dfp := dst.offset(fi.field) - fi.merge(dfp, sfp) - } - - // TODO: Make this faster? - out := dst.asPointerTo(mi.typ).Elem() - in := src.asPointerTo(mi.typ).Elem() - if emIn, err := extendable(in.Addr().Interface()); err == nil { - emOut, _ := extendable(out.Addr().Interface()) - mIn, muIn := emIn.extensionsRead() - if mIn != nil { - mOut := emOut.extensionsWrite() - muIn.Lock() - mergeExtension(mOut, mIn) - muIn.Unlock() - } - } - - if mi.unrecognized.IsValid() { - if b := *src.offset(mi.unrecognized).toBytes(); len(b) > 0 { - *dst.offset(mi.unrecognized).toBytes() = append([]byte(nil), b...) - } - } -} - -func (mi *mergeInfo) computeMergeInfo() { - mi.lock.Lock() - defer mi.lock.Unlock() - if mi.initialized != 0 { - return - } - t := mi.typ - n := t.NumField() - - props := GetProperties(t) - for i := 0; i < n; i++ { - f := t.Field(i) - if strings.HasPrefix(f.Name, "XXX_") { - continue - } - - mfi := mergeFieldInfo{field: toField(&f)} - tf := f.Type - - // As an optimization, we can avoid the merge function call cost - // if we know for sure that the source will have no effect - // by checking if it is the zero value. - if unsafeAllowed { - switch tf.Kind() { - case reflect.Ptr, reflect.Slice, reflect.String: - // As a special case, we assume slices and strings are pointers - // since we know that the first field in the SliceSlice or - // StringHeader is a data pointer. - mfi.isPointer = true - case reflect.Bool: - mfi.basicWidth = 1 - case reflect.Int32, reflect.Uint32, reflect.Float32: - mfi.basicWidth = 4 - case reflect.Int64, reflect.Uint64, reflect.Float64: - mfi.basicWidth = 8 - } - } - - // Unwrap tf to get at its most basic type. - var isPointer, isSlice bool - if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 { - isSlice = true - tf = tf.Elem() - } - if tf.Kind() == reflect.Ptr { - isPointer = true - tf = tf.Elem() - } - if isPointer && isSlice && tf.Kind() != reflect.Struct { - panic("both pointer and slice for basic type in " + tf.Name()) - } - - switch tf.Kind() { - case reflect.Int32: - switch { - case isSlice: // E.g., []int32 - mfi.merge = func(dst, src pointer) { - // NOTE: toInt32Slice is not defined (see pointer_reflect.go). - /* - sfsp := src.toInt32Slice() - if *sfsp != nil { - dfsp := dst.toInt32Slice() - *dfsp = append(*dfsp, *sfsp...) - if *dfsp == nil { - *dfsp = []int64{} - } - } - */ - sfs := src.getInt32Slice() - if sfs != nil { - dfs := dst.getInt32Slice() - dfs = append(dfs, sfs...) - if dfs == nil { - dfs = []int32{} - } - dst.setInt32Slice(dfs) - } - } - case isPointer: // E.g., *int32 - mfi.merge = func(dst, src pointer) { - // NOTE: toInt32Ptr is not defined (see pointer_reflect.go). - /* - sfpp := src.toInt32Ptr() - if *sfpp != nil { - dfpp := dst.toInt32Ptr() - if *dfpp == nil { - *dfpp = Int32(**sfpp) - } else { - **dfpp = **sfpp - } - } - */ - sfp := src.getInt32Ptr() - if sfp != nil { - dfp := dst.getInt32Ptr() - if dfp == nil { - dst.setInt32Ptr(*sfp) - } else { - *dfp = *sfp - } - } - } - default: // E.g., int32 - mfi.merge = func(dst, src pointer) { - if v := *src.toInt32(); v != 0 { - *dst.toInt32() = v - } - } - } - case reflect.Int64: - switch { - case isSlice: // E.g., []int64 - mfi.merge = func(dst, src pointer) { - sfsp := src.toInt64Slice() - if *sfsp != nil { - dfsp := dst.toInt64Slice() - *dfsp = append(*dfsp, *sfsp...) - if *dfsp == nil { - *dfsp = []int64{} - } - } - } - case isPointer: // E.g., *int64 - mfi.merge = func(dst, src pointer) { - sfpp := src.toInt64Ptr() - if *sfpp != nil { - dfpp := dst.toInt64Ptr() - if *dfpp == nil { - *dfpp = Int64(**sfpp) - } else { - **dfpp = **sfpp - } - } - } - default: // E.g., int64 - mfi.merge = func(dst, src pointer) { - if v := *src.toInt64(); v != 0 { - *dst.toInt64() = v - } - } - } - case reflect.Uint32: - switch { - case isSlice: // E.g., []uint32 - mfi.merge = func(dst, src pointer) { - sfsp := src.toUint32Slice() - if *sfsp != nil { - dfsp := dst.toUint32Slice() - *dfsp = append(*dfsp, *sfsp...) - if *dfsp == nil { - *dfsp = []uint32{} - } - } - } - case isPointer: // E.g., *uint32 - mfi.merge = func(dst, src pointer) { - sfpp := src.toUint32Ptr() - if *sfpp != nil { - dfpp := dst.toUint32Ptr() - if *dfpp == nil { - *dfpp = Uint32(**sfpp) - } else { - **dfpp = **sfpp - } - } - } - default: // E.g., uint32 - mfi.merge = func(dst, src pointer) { - if v := *src.toUint32(); v != 0 { - *dst.toUint32() = v - } - } - } - case reflect.Uint64: - switch { - case isSlice: // E.g., []uint64 - mfi.merge = func(dst, src pointer) { - sfsp := src.toUint64Slice() - if *sfsp != nil { - dfsp := dst.toUint64Slice() - *dfsp = append(*dfsp, *sfsp...) - if *dfsp == nil { - *dfsp = []uint64{} - } - } - } - case isPointer: // E.g., *uint64 - mfi.merge = func(dst, src pointer) { - sfpp := src.toUint64Ptr() - if *sfpp != nil { - dfpp := dst.toUint64Ptr() - if *dfpp == nil { - *dfpp = Uint64(**sfpp) - } else { - **dfpp = **sfpp - } - } - } - default: // E.g., uint64 - mfi.merge = func(dst, src pointer) { - if v := *src.toUint64(); v != 0 { - *dst.toUint64() = v - } - } - } - case reflect.Float32: - switch { - case isSlice: // E.g., []float32 - mfi.merge = func(dst, src pointer) { - sfsp := src.toFloat32Slice() - if *sfsp != nil { - dfsp := dst.toFloat32Slice() - *dfsp = append(*dfsp, *sfsp...) - if *dfsp == nil { - *dfsp = []float32{} - } - } - } - case isPointer: // E.g., *float32 - mfi.merge = func(dst, src pointer) { - sfpp := src.toFloat32Ptr() - if *sfpp != nil { - dfpp := dst.toFloat32Ptr() - if *dfpp == nil { - *dfpp = Float32(**sfpp) - } else { - **dfpp = **sfpp - } - } - } - default: // E.g., float32 - mfi.merge = func(dst, src pointer) { - if v := *src.toFloat32(); v != 0 { - *dst.toFloat32() = v - } - } - } - case reflect.Float64: - switch { - case isSlice: // E.g., []float64 - mfi.merge = func(dst, src pointer) { - sfsp := src.toFloat64Slice() - if *sfsp != nil { - dfsp := dst.toFloat64Slice() - *dfsp = append(*dfsp, *sfsp...) - if *dfsp == nil { - *dfsp = []float64{} - } - } - } - case isPointer: // E.g., *float64 - mfi.merge = func(dst, src pointer) { - sfpp := src.toFloat64Ptr() - if *sfpp != nil { - dfpp := dst.toFloat64Ptr() - if *dfpp == nil { - *dfpp = Float64(**sfpp) - } else { - **dfpp = **sfpp - } - } - } - default: // E.g., float64 - mfi.merge = func(dst, src pointer) { - if v := *src.toFloat64(); v != 0 { - *dst.toFloat64() = v - } - } - } - case reflect.Bool: - switch { - case isSlice: // E.g., []bool - mfi.merge = func(dst, src pointer) { - sfsp := src.toBoolSlice() - if *sfsp != nil { - dfsp := dst.toBoolSlice() - *dfsp = append(*dfsp, *sfsp...) - if *dfsp == nil { - *dfsp = []bool{} - } - } - } - case isPointer: // E.g., *bool - mfi.merge = func(dst, src pointer) { - sfpp := src.toBoolPtr() - if *sfpp != nil { - dfpp := dst.toBoolPtr() - if *dfpp == nil { - *dfpp = Bool(**sfpp) - } else { - **dfpp = **sfpp - } - } - } - default: // E.g., bool - mfi.merge = func(dst, src pointer) { - if v := *src.toBool(); v { - *dst.toBool() = v - } - } - } - case reflect.String: - switch { - case isSlice: // E.g., []string - mfi.merge = func(dst, src pointer) { - sfsp := src.toStringSlice() - if *sfsp != nil { - dfsp := dst.toStringSlice() - *dfsp = append(*dfsp, *sfsp...) - if *dfsp == nil { - *dfsp = []string{} - } - } - } - case isPointer: // E.g., *string - mfi.merge = func(dst, src pointer) { - sfpp := src.toStringPtr() - if *sfpp != nil { - dfpp := dst.toStringPtr() - if *dfpp == nil { - *dfpp = String(**sfpp) - } else { - **dfpp = **sfpp - } - } - } - default: // E.g., string - mfi.merge = func(dst, src pointer) { - if v := *src.toString(); v != "" { - *dst.toString() = v - } - } - } - case reflect.Slice: - isProto3 := props.Prop[i].proto3 - switch { - case isPointer: - panic("bad pointer in byte slice case in " + tf.Name()) - case tf.Elem().Kind() != reflect.Uint8: - panic("bad element kind in byte slice case in " + tf.Name()) - case isSlice: // E.g., [][]byte - mfi.merge = func(dst, src pointer) { - sbsp := src.toBytesSlice() - if *sbsp != nil { - dbsp := dst.toBytesSlice() - for _, sb := range *sbsp { - if sb == nil { - *dbsp = append(*dbsp, nil) - } else { - *dbsp = append(*dbsp, append([]byte{}, sb...)) - } - } - if *dbsp == nil { - *dbsp = [][]byte{} - } - } - } - default: // E.g., []byte - mfi.merge = func(dst, src pointer) { - sbp := src.toBytes() - if *sbp != nil { - dbp := dst.toBytes() - if !isProto3 || len(*sbp) > 0 { - *dbp = append([]byte{}, *sbp...) - } - } - } - } - case reflect.Struct: - switch { - case !isPointer: - panic(fmt.Sprintf("message field %s without pointer", tf)) - case isSlice: // E.g., []*pb.T - mi := getMergeInfo(tf) - mfi.merge = func(dst, src pointer) { - sps := src.getPointerSlice() - if sps != nil { - dps := dst.getPointerSlice() - for _, sp := range sps { - var dp pointer - if !sp.isNil() { - dp = valToPointer(reflect.New(tf)) - mi.merge(dp, sp) - } - dps = append(dps, dp) - } - if dps == nil { - dps = []pointer{} - } - dst.setPointerSlice(dps) - } - } - default: // E.g., *pb.T - mi := getMergeInfo(tf) - mfi.merge = func(dst, src pointer) { - sp := src.getPointer() - if !sp.isNil() { - dp := dst.getPointer() - if dp.isNil() { - dp = valToPointer(reflect.New(tf)) - dst.setPointer(dp) - } - mi.merge(dp, sp) - } - } - } - case reflect.Map: - switch { - case isPointer || isSlice: - panic("bad pointer or slice in map case in " + tf.Name()) - default: // E.g., map[K]V - mfi.merge = func(dst, src pointer) { - sm := src.asPointerTo(tf).Elem() - if sm.Len() == 0 { - return - } - dm := dst.asPointerTo(tf).Elem() - if dm.IsNil() { - dm.Set(reflect.MakeMap(tf)) - } - - switch tf.Elem().Kind() { - case reflect.Ptr: // Proto struct (e.g., *T) - for _, key := range sm.MapKeys() { - val := sm.MapIndex(key) - val = reflect.ValueOf(Clone(val.Interface().(Message))) - dm.SetMapIndex(key, val) - } - case reflect.Slice: // E.g. Bytes type (e.g., []byte) - for _, key := range sm.MapKeys() { - val := sm.MapIndex(key) - val = reflect.ValueOf(append([]byte{}, val.Bytes()...)) - dm.SetMapIndex(key, val) - } - default: // Basic type (e.g., string) - for _, key := range sm.MapKeys() { - val := sm.MapIndex(key) - dm.SetMapIndex(key, val) - } - } - } - } - case reflect.Interface: - // Must be oneof field. - switch { - case isPointer || isSlice: - panic("bad pointer or slice in interface case in " + tf.Name()) - default: // E.g., interface{} - // TODO: Make this faster? - mfi.merge = func(dst, src pointer) { - su := src.asPointerTo(tf).Elem() - if !su.IsNil() { - du := dst.asPointerTo(tf).Elem() - typ := su.Elem().Type() - if du.IsNil() || du.Elem().Type() != typ { - du.Set(reflect.New(typ.Elem())) // Initialize interface if empty - } - sv := su.Elem().Elem().Field(0) - if sv.Kind() == reflect.Ptr && sv.IsNil() { - return - } - dv := du.Elem().Elem().Field(0) - if dv.Kind() == reflect.Ptr && dv.IsNil() { - dv.Set(reflect.New(sv.Type().Elem())) // Initialize proto message if empty - } - switch sv.Type().Kind() { - case reflect.Ptr: // Proto struct (e.g., *T) - Merge(dv.Interface().(Message), sv.Interface().(Message)) - case reflect.Slice: // E.g. Bytes type (e.g., []byte) - dv.Set(reflect.ValueOf(append([]byte{}, sv.Bytes()...))) - default: // Basic type (e.g., string) - dv.Set(sv) - } - } - } - } - default: - panic(fmt.Sprintf("merger not found for type:%s", tf)) - } - mi.fields = append(mi.fields, mfi) - } - - mi.unrecognized = invalidField - if f, ok := t.FieldByName("XXX_unrecognized"); ok { - if f.Type != reflect.TypeOf([]byte{}) { - panic("expected XXX_unrecognized to be of type []byte") - } - mi.unrecognized = toField(&f) - } - - atomic.StoreInt32(&mi.initialized, 1) -} diff --git a/vendor/github.com/golang/protobuf/proto/table_unmarshal.go b/vendor/github.com/golang/protobuf/proto/table_unmarshal.go deleted file mode 100644 index ebf1caa..0000000 --- a/vendor/github.com/golang/protobuf/proto/table_unmarshal.go +++ /dev/null @@ -1,2051 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2016 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -import ( - "errors" - "fmt" - "io" - "math" - "reflect" - "strconv" - "strings" - "sync" - "sync/atomic" - "unicode/utf8" -) - -// Unmarshal is the entry point from the generated .pb.go files. -// This function is not intended to be used by non-generated code. -// This function is not subject to any compatibility guarantee. -// msg contains a pointer to a protocol buffer struct. -// b is the data to be unmarshaled into the protocol buffer. -// a is a pointer to a place to store cached unmarshal information. -func (a *InternalMessageInfo) Unmarshal(msg Message, b []byte) error { - // Load the unmarshal information for this message type. - // The atomic load ensures memory consistency. - u := atomicLoadUnmarshalInfo(&a.unmarshal) - if u == nil { - // Slow path: find unmarshal info for msg, update a with it. - u = getUnmarshalInfo(reflect.TypeOf(msg).Elem()) - atomicStoreUnmarshalInfo(&a.unmarshal, u) - } - // Then do the unmarshaling. - err := u.unmarshal(toPointer(&msg), b) - return err -} - -type unmarshalInfo struct { - typ reflect.Type // type of the protobuf struct - - // 0 = only typ field is initialized - // 1 = completely initialized - initialized int32 - lock sync.Mutex // prevents double initialization - dense []unmarshalFieldInfo // fields indexed by tag # - sparse map[uint64]unmarshalFieldInfo // fields indexed by tag # - reqFields []string // names of required fields - reqMask uint64 // 1<<len(reqFields)-1 - unrecognized field // offset of []byte to put unrecognized data (or invalidField if we should throw it away) - extensions field // offset of extensions field (of type proto.XXX_InternalExtensions), or invalidField if it does not exist - oldExtensions field // offset of old-form extensions field (of type map[int]Extension) - extensionRanges []ExtensionRange // if non-nil, implies extensions field is valid - isMessageSet bool // if true, implies extensions field is valid -} - -// An unmarshaler takes a stream of bytes and a pointer to a field of a message. -// It decodes the field, stores it at f, and returns the unused bytes. -// w is the wire encoding. -// b is the data after the tag and wire encoding have been read. -type unmarshaler func(b []byte, f pointer, w int) ([]byte, error) - -type unmarshalFieldInfo struct { - // location of the field in the proto message structure. - field field - - // function to unmarshal the data for the field. - unmarshal unmarshaler - - // if a required field, contains a single set bit at this field's index in the required field list. - reqMask uint64 - - name string // name of the field, for error reporting -} - -var ( - unmarshalInfoMap = map[reflect.Type]*unmarshalInfo{} - unmarshalInfoLock sync.Mutex -) - -// getUnmarshalInfo returns the data structure which can be -// subsequently used to unmarshal a message of the given type. -// t is the type of the message (note: not pointer to message). -func getUnmarshalInfo(t reflect.Type) *unmarshalInfo { - // It would be correct to return a new unmarshalInfo - // unconditionally. We would end up allocating one - // per occurrence of that type as a message or submessage. - // We use a cache here just to reduce memory usage. - unmarshalInfoLock.Lock() - defer unmarshalInfoLock.Unlock() - u := unmarshalInfoMap[t] - if u == nil { - u = &unmarshalInfo{typ: t} - // Note: we just set the type here. The rest of the fields - // will be initialized on first use. - unmarshalInfoMap[t] = u - } - return u -} - -// unmarshal does the main work of unmarshaling a message. -// u provides type information used to unmarshal the message. -// m is a pointer to a protocol buffer message. -// b is a byte stream to unmarshal into m. -// This is top routine used when recursively unmarshaling submessages. -func (u *unmarshalInfo) unmarshal(m pointer, b []byte) error { - if atomic.LoadInt32(&u.initialized) == 0 { - u.computeUnmarshalInfo() - } - if u.isMessageSet { - return UnmarshalMessageSet(b, m.offset(u.extensions).toExtensions()) - } - var reqMask uint64 // bitmask of required fields we've seen. - var errLater error - for len(b) > 0 { - // Read tag and wire type. - // Special case 1 and 2 byte varints. - var x uint64 - if b[0] < 128 { - x = uint64(b[0]) - b = b[1:] - } else if len(b) >= 2 && b[1] < 128 { - x = uint64(b[0]&0x7f) + uint64(b[1])<<7 - b = b[2:] - } else { - var n int - x, n = decodeVarint(b) - if n == 0 { - return io.ErrUnexpectedEOF - } - b = b[n:] - } - tag := x >> 3 - wire := int(x) & 7 - - // Dispatch on the tag to one of the unmarshal* functions below. - var f unmarshalFieldInfo - if tag < uint64(len(u.dense)) { - f = u.dense[tag] - } else { - f = u.sparse[tag] - } - if fn := f.unmarshal; fn != nil { - var err error - b, err = fn(b, m.offset(f.field), wire) - if err == nil { - reqMask |= f.reqMask - continue - } - if r, ok := err.(*RequiredNotSetError); ok { - // Remember this error, but keep parsing. We need to produce - // a full parse even if a required field is missing. - if errLater == nil { - errLater = r - } - reqMask |= f.reqMask - continue - } - if err != errInternalBadWireType { - if err == errInvalidUTF8 { - if errLater == nil { - fullName := revProtoTypes[reflect.PtrTo(u.typ)] + "." + f.name - errLater = &invalidUTF8Error{fullName} - } - continue - } - return err - } - // Fragments with bad wire type are treated as unknown fields. - } - - // Unknown tag. - if !u.unrecognized.IsValid() { - // Don't keep unrecognized data; just skip it. - var err error - b, err = skipField(b, wire) - if err != nil { - return err - } - continue - } - // Keep unrecognized data around. - // maybe in extensions, maybe in the unrecognized field. - z := m.offset(u.unrecognized).toBytes() - var emap map[int32]Extension - var e Extension - for _, r := range u.extensionRanges { - if uint64(r.Start) <= tag && tag <= uint64(r.End) { - if u.extensions.IsValid() { - mp := m.offset(u.extensions).toExtensions() - emap = mp.extensionsWrite() - e = emap[int32(tag)] - z = &e.enc - break - } - if u.oldExtensions.IsValid() { - p := m.offset(u.oldExtensions).toOldExtensions() - emap = *p - if emap == nil { - emap = map[int32]Extension{} - *p = emap - } - e = emap[int32(tag)] - z = &e.enc - break - } - panic("no extensions field available") - } - } - - // Use wire type to skip data. - var err error - b0 := b - b, err = skipField(b, wire) - if err != nil { - return err - } - *z = encodeVarint(*z, tag<<3|uint64(wire)) - *z = append(*z, b0[:len(b0)-len(b)]...) - - if emap != nil { - emap[int32(tag)] = e - } - } - if reqMask != u.reqMask && errLater == nil { - // A required field of this message is missing. - for _, n := range u.reqFields { - if reqMask&1 == 0 { - errLater = &RequiredNotSetError{n} - } - reqMask >>= 1 - } - } - return errLater -} - -// computeUnmarshalInfo fills in u with information for use -// in unmarshaling protocol buffers of type u.typ. -func (u *unmarshalInfo) computeUnmarshalInfo() { - u.lock.Lock() - defer u.lock.Unlock() - if u.initialized != 0 { - return - } - t := u.typ - n := t.NumField() - - // Set up the "not found" value for the unrecognized byte buffer. - // This is the default for proto3. - u.unrecognized = invalidField - u.extensions = invalidField - u.oldExtensions = invalidField - - // List of the generated type and offset for each oneof field. - type oneofField struct { - ityp reflect.Type // interface type of oneof field - field field // offset in containing message - } - var oneofFields []oneofField - - for i := 0; i < n; i++ { - f := t.Field(i) - if f.Name == "XXX_unrecognized" { - // The byte slice used to hold unrecognized input is special. - if f.Type != reflect.TypeOf(([]byte)(nil)) { - panic("bad type for XXX_unrecognized field: " + f.Type.Name()) - } - u.unrecognized = toField(&f) - continue - } - if f.Name == "XXX_InternalExtensions" { - // Ditto here. - if f.Type != reflect.TypeOf(XXX_InternalExtensions{}) { - panic("bad type for XXX_InternalExtensions field: " + f.Type.Name()) - } - u.extensions = toField(&f) - if f.Tag.Get("protobuf_messageset") == "1" { - u.isMessageSet = true - } - continue - } - if f.Name == "XXX_extensions" { - // An older form of the extensions field. - if f.Type != reflect.TypeOf((map[int32]Extension)(nil)) { - panic("bad type for XXX_extensions field: " + f.Type.Name()) - } - u.oldExtensions = toField(&f) - continue - } - if f.Name == "XXX_NoUnkeyedLiteral" || f.Name == "XXX_sizecache" { - continue - } - - oneof := f.Tag.Get("protobuf_oneof") - if oneof != "" { - oneofFields = append(oneofFields, oneofField{f.Type, toField(&f)}) - // The rest of oneof processing happens below. - continue - } - - tags := f.Tag.Get("protobuf") - tagArray := strings.Split(tags, ",") - if len(tagArray) < 2 { - panic("protobuf tag not enough fields in " + t.Name() + "." + f.Name + ": " + tags) - } - tag, err := strconv.Atoi(tagArray[1]) - if err != nil { - panic("protobuf tag field not an integer: " + tagArray[1]) - } - - name := "" - for _, tag := range tagArray[3:] { - if strings.HasPrefix(tag, "name=") { - name = tag[5:] - } - } - - // Extract unmarshaling function from the field (its type and tags). - unmarshal := fieldUnmarshaler(&f) - - // Required field? - var reqMask uint64 - if tagArray[2] == "req" { - bit := len(u.reqFields) - u.reqFields = append(u.reqFields, name) - reqMask = uint64(1) << uint(bit) - // TODO: if we have more than 64 required fields, we end up - // not verifying that all required fields are present. - // Fix this, perhaps using a count of required fields? - } - - // Store the info in the correct slot in the message. - u.setTag(tag, toField(&f), unmarshal, reqMask, name) - } - - // Find any types associated with oneof fields. - // TODO: XXX_OneofFuncs returns more info than we need. Get rid of some of it? - fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("XXX_OneofFuncs") - if fn.IsValid() { - res := fn.Call(nil)[3] // last return value from XXX_OneofFuncs: []interface{} - for i := res.Len() - 1; i >= 0; i-- { - v := res.Index(i) // interface{} - tptr := reflect.ValueOf(v.Interface()).Type() // *Msg_X - typ := tptr.Elem() // Msg_X - - f := typ.Field(0) // oneof implementers have one field - baseUnmarshal := fieldUnmarshaler(&f) - tags := strings.Split(f.Tag.Get("protobuf"), ",") - fieldNum, err := strconv.Atoi(tags[1]) - if err != nil { - panic("protobuf tag field not an integer: " + tags[1]) - } - var name string - for _, tag := range tags { - if strings.HasPrefix(tag, "name=") { - name = strings.TrimPrefix(tag, "name=") - break - } - } - - // Find the oneof field that this struct implements. - // Might take O(n^2) to process all of the oneofs, but who cares. - for _, of := range oneofFields { - if tptr.Implements(of.ityp) { - // We have found the corresponding interface for this struct. - // That lets us know where this struct should be stored - // when we encounter it during unmarshaling. - unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal) - u.setTag(fieldNum, of.field, unmarshal, 0, name) - } - } - } - } - - // Get extension ranges, if any. - fn = reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray") - if fn.IsValid() { - if !u.extensions.IsValid() && !u.oldExtensions.IsValid() { - panic("a message with extensions, but no extensions field in " + t.Name()) - } - u.extensionRanges = fn.Call(nil)[0].Interface().([]ExtensionRange) - } - - // Explicitly disallow tag 0. This will ensure we flag an error - // when decoding a buffer of all zeros. Without this code, we - // would decode and skip an all-zero buffer of even length. - // [0 0] is [tag=0/wiretype=varint varint-encoded-0]. - u.setTag(0, zeroField, func(b []byte, f pointer, w int) ([]byte, error) { - return nil, fmt.Errorf("proto: %s: illegal tag 0 (wire type %d)", t, w) - }, 0, "") - - // Set mask for required field check. - u.reqMask = uint64(1)<<uint(len(u.reqFields)) - 1 - - atomic.StoreInt32(&u.initialized, 1) -} - -// setTag stores the unmarshal information for the given tag. -// tag = tag # for field -// field/unmarshal = unmarshal info for that field. -// reqMask = if required, bitmask for field position in required field list. 0 otherwise. -// name = short name of the field. -func (u *unmarshalInfo) setTag(tag int, field field, unmarshal unmarshaler, reqMask uint64, name string) { - i := unmarshalFieldInfo{field: field, unmarshal: unmarshal, reqMask: reqMask, name: name} - n := u.typ.NumField() - if tag >= 0 && (tag < 16 || tag < 2*n) { // TODO: what are the right numbers here? - for len(u.dense) <= tag { - u.dense = append(u.dense, unmarshalFieldInfo{}) - } - u.dense[tag] = i - return - } - if u.sparse == nil { - u.sparse = map[uint64]unmarshalFieldInfo{} - } - u.sparse[uint64(tag)] = i -} - -// fieldUnmarshaler returns an unmarshaler for the given field. -func fieldUnmarshaler(f *reflect.StructField) unmarshaler { - if f.Type.Kind() == reflect.Map { - return makeUnmarshalMap(f) - } - return typeUnmarshaler(f.Type, f.Tag.Get("protobuf")) -} - -// typeUnmarshaler returns an unmarshaler for the given field type / field tag pair. -func typeUnmarshaler(t reflect.Type, tags string) unmarshaler { - tagArray := strings.Split(tags, ",") - encoding := tagArray[0] - name := "unknown" - proto3 := false - validateUTF8 := true - for _, tag := range tagArray[3:] { - if strings.HasPrefix(tag, "name=") { - name = tag[5:] - } - if tag == "proto3" { - proto3 = true - } - } - validateUTF8 = validateUTF8 && proto3 - - // Figure out packaging (pointer, slice, or both) - slice := false - pointer := false - if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 { - slice = true - t = t.Elem() - } - if t.Kind() == reflect.Ptr { - pointer = true - t = t.Elem() - } - - // We'll never have both pointer and slice for basic types. - if pointer && slice && t.Kind() != reflect.Struct { - panic("both pointer and slice for basic type in " + t.Name()) - } - - switch t.Kind() { - case reflect.Bool: - if pointer { - return unmarshalBoolPtr - } - if slice { - return unmarshalBoolSlice - } - return unmarshalBoolValue - case reflect.Int32: - switch encoding { - case "fixed32": - if pointer { - return unmarshalFixedS32Ptr - } - if slice { - return unmarshalFixedS32Slice - } - return unmarshalFixedS32Value - case "varint": - // this could be int32 or enum - if pointer { - return unmarshalInt32Ptr - } - if slice { - return unmarshalInt32Slice - } - return unmarshalInt32Value - case "zigzag32": - if pointer { - return unmarshalSint32Ptr - } - if slice { - return unmarshalSint32Slice - } - return unmarshalSint32Value - } - case reflect.Int64: - switch encoding { - case "fixed64": - if pointer { - return unmarshalFixedS64Ptr - } - if slice { - return unmarshalFixedS64Slice - } - return unmarshalFixedS64Value - case "varint": - if pointer { - return unmarshalInt64Ptr - } - if slice { - return unmarshalInt64Slice - } - return unmarshalInt64Value - case "zigzag64": - if pointer { - return unmarshalSint64Ptr - } - if slice { - return unmarshalSint64Slice - } - return unmarshalSint64Value - } - case reflect.Uint32: - switch encoding { - case "fixed32": - if pointer { - return unmarshalFixed32Ptr - } - if slice { - return unmarshalFixed32Slice - } - return unmarshalFixed32Value - case "varint": - if pointer { - return unmarshalUint32Ptr - } - if slice { - return unmarshalUint32Slice - } - return unmarshalUint32Value - } - case reflect.Uint64: - switch encoding { - case "fixed64": - if pointer { - return unmarshalFixed64Ptr - } - if slice { - return unmarshalFixed64Slice - } - return unmarshalFixed64Value - case "varint": - if pointer { - return unmarshalUint64Ptr - } - if slice { - return unmarshalUint64Slice - } - return unmarshalUint64Value - } - case reflect.Float32: - if pointer { - return unmarshalFloat32Ptr - } - if slice { - return unmarshalFloat32Slice - } - return unmarshalFloat32Value - case reflect.Float64: - if pointer { - return unmarshalFloat64Ptr - } - if slice { - return unmarshalFloat64Slice - } - return unmarshalFloat64Value - case reflect.Map: - panic("map type in typeUnmarshaler in " + t.Name()) - case reflect.Slice: - if pointer { - panic("bad pointer in slice case in " + t.Name()) - } - if slice { - return unmarshalBytesSlice - } - return unmarshalBytesValue - case reflect.String: - if validateUTF8 { - if pointer { - return unmarshalUTF8StringPtr - } - if slice { - return unmarshalUTF8StringSlice - } - return unmarshalUTF8StringValue - } - if pointer { - return unmarshalStringPtr - } - if slice { - return unmarshalStringSlice - } - return unmarshalStringValue - case reflect.Struct: - // message or group field - if !pointer { - panic(fmt.Sprintf("message/group field %s:%s without pointer", t, encoding)) - } - switch encoding { - case "bytes": - if slice { - return makeUnmarshalMessageSlicePtr(getUnmarshalInfo(t), name) - } - return makeUnmarshalMessagePtr(getUnmarshalInfo(t), name) - case "group": - if slice { - return makeUnmarshalGroupSlicePtr(getUnmarshalInfo(t), name) - } - return makeUnmarshalGroupPtr(getUnmarshalInfo(t), name) - } - } - panic(fmt.Sprintf("unmarshaler not found type:%s encoding:%s", t, encoding)) -} - -// Below are all the unmarshalers for individual fields of various types. - -func unmarshalInt64Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int64(x) - *f.toInt64() = v - return b, nil -} - -func unmarshalInt64Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int64(x) - *f.toInt64Ptr() = &v - return b, nil -} - -func unmarshalInt64Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - x, n = decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int64(x) - s := f.toInt64Slice() - *s = append(*s, v) - } - return res, nil - } - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int64(x) - s := f.toInt64Slice() - *s = append(*s, v) - return b, nil -} - -func unmarshalSint64Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int64(x>>1) ^ int64(x)<<63>>63 - *f.toInt64() = v - return b, nil -} - -func unmarshalSint64Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int64(x>>1) ^ int64(x)<<63>>63 - *f.toInt64Ptr() = &v - return b, nil -} - -func unmarshalSint64Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - x, n = decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int64(x>>1) ^ int64(x)<<63>>63 - s := f.toInt64Slice() - *s = append(*s, v) - } - return res, nil - } - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int64(x>>1) ^ int64(x)<<63>>63 - s := f.toInt64Slice() - *s = append(*s, v) - return b, nil -} - -func unmarshalUint64Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := uint64(x) - *f.toUint64() = v - return b, nil -} - -func unmarshalUint64Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := uint64(x) - *f.toUint64Ptr() = &v - return b, nil -} - -func unmarshalUint64Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - x, n = decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := uint64(x) - s := f.toUint64Slice() - *s = append(*s, v) - } - return res, nil - } - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := uint64(x) - s := f.toUint64Slice() - *s = append(*s, v) - return b, nil -} - -func unmarshalInt32Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int32(x) - *f.toInt32() = v - return b, nil -} - -func unmarshalInt32Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int32(x) - f.setInt32Ptr(v) - return b, nil -} - -func unmarshalInt32Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - x, n = decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int32(x) - f.appendInt32Slice(v) - } - return res, nil - } - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int32(x) - f.appendInt32Slice(v) - return b, nil -} - -func unmarshalSint32Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int32(x>>1) ^ int32(x)<<31>>31 - *f.toInt32() = v - return b, nil -} - -func unmarshalSint32Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int32(x>>1) ^ int32(x)<<31>>31 - f.setInt32Ptr(v) - return b, nil -} - -func unmarshalSint32Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - x, n = decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int32(x>>1) ^ int32(x)<<31>>31 - f.appendInt32Slice(v) - } - return res, nil - } - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := int32(x>>1) ^ int32(x)<<31>>31 - f.appendInt32Slice(v) - return b, nil -} - -func unmarshalUint32Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := uint32(x) - *f.toUint32() = v - return b, nil -} - -func unmarshalUint32Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := uint32(x) - *f.toUint32Ptr() = &v - return b, nil -} - -func unmarshalUint32Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - x, n = decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := uint32(x) - s := f.toUint32Slice() - *s = append(*s, v) - } - return res, nil - } - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - v := uint32(x) - s := f.toUint32Slice() - *s = append(*s, v) - return b, nil -} - -func unmarshalFixed64Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 - *f.toUint64() = v - return b[8:], nil -} - -func unmarshalFixed64Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 - *f.toUint64Ptr() = &v - return b[8:], nil -} - -func unmarshalFixed64Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 - s := f.toUint64Slice() - *s = append(*s, v) - b = b[8:] - } - return res, nil - } - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 - s := f.toUint64Slice() - *s = append(*s, v) - return b[8:], nil -} - -func unmarshalFixedS64Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56 - *f.toInt64() = v - return b[8:], nil -} - -func unmarshalFixedS64Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56 - *f.toInt64Ptr() = &v - return b[8:], nil -} - -func unmarshalFixedS64Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56 - s := f.toInt64Slice() - *s = append(*s, v) - b = b[8:] - } - return res, nil - } - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56 - s := f.toInt64Slice() - *s = append(*s, v) - return b[8:], nil -} - -func unmarshalFixed32Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 - *f.toUint32() = v - return b[4:], nil -} - -func unmarshalFixed32Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 - *f.toUint32Ptr() = &v - return b[4:], nil -} - -func unmarshalFixed32Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 - s := f.toUint32Slice() - *s = append(*s, v) - b = b[4:] - } - return res, nil - } - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 - s := f.toUint32Slice() - *s = append(*s, v) - return b[4:], nil -} - -func unmarshalFixedS32Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24 - *f.toInt32() = v - return b[4:], nil -} - -func unmarshalFixedS32Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24 - f.setInt32Ptr(v) - return b[4:], nil -} - -func unmarshalFixedS32Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24 - f.appendInt32Slice(v) - b = b[4:] - } - return res, nil - } - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24 - f.appendInt32Slice(v) - return b[4:], nil -} - -func unmarshalBoolValue(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - // Note: any length varint is allowed, even though any sane - // encoder will use one byte. - // See https://github.com/golang/protobuf/issues/76 - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - // TODO: check if x>1? Tests seem to indicate no. - v := x != 0 - *f.toBool() = v - return b[n:], nil -} - -func unmarshalBoolPtr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - v := x != 0 - *f.toBoolPtr() = &v - return b[n:], nil -} - -func unmarshalBoolSlice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - x, n = decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - v := x != 0 - s := f.toBoolSlice() - *s = append(*s, v) - b = b[n:] - } - return res, nil - } - if w != WireVarint { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - v := x != 0 - s := f.toBoolSlice() - *s = append(*s, v) - return b[n:], nil -} - -func unmarshalFloat64Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56) - *f.toFloat64() = v - return b[8:], nil -} - -func unmarshalFloat64Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56) - *f.toFloat64Ptr() = &v - return b[8:], nil -} - -func unmarshalFloat64Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56) - s := f.toFloat64Slice() - *s = append(*s, v) - b = b[8:] - } - return res, nil - } - if w != WireFixed64 { - return b, errInternalBadWireType - } - if len(b) < 8 { - return nil, io.ErrUnexpectedEOF - } - v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56) - s := f.toFloat64Slice() - *s = append(*s, v) - return b[8:], nil -} - -func unmarshalFloat32Value(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24) - *f.toFloat32() = v - return b[4:], nil -} - -func unmarshalFloat32Ptr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24) - *f.toFloat32Ptr() = &v - return b[4:], nil -} - -func unmarshalFloat32Slice(b []byte, f pointer, w int) ([]byte, error) { - if w == WireBytes { // packed - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - res := b[x:] - b = b[:x] - for len(b) > 0 { - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24) - s := f.toFloat32Slice() - *s = append(*s, v) - b = b[4:] - } - return res, nil - } - if w != WireFixed32 { - return b, errInternalBadWireType - } - if len(b) < 4 { - return nil, io.ErrUnexpectedEOF - } - v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24) - s := f.toFloat32Slice() - *s = append(*s, v) - return b[4:], nil -} - -func unmarshalStringValue(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - v := string(b[:x]) - *f.toString() = v - return b[x:], nil -} - -func unmarshalStringPtr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - v := string(b[:x]) - *f.toStringPtr() = &v - return b[x:], nil -} - -func unmarshalStringSlice(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - v := string(b[:x]) - s := f.toStringSlice() - *s = append(*s, v) - return b[x:], nil -} - -func unmarshalUTF8StringValue(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - v := string(b[:x]) - *f.toString() = v - if !utf8.ValidString(v) { - return b[x:], errInvalidUTF8 - } - return b[x:], nil -} - -func unmarshalUTF8StringPtr(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - v := string(b[:x]) - *f.toStringPtr() = &v - if !utf8.ValidString(v) { - return b[x:], errInvalidUTF8 - } - return b[x:], nil -} - -func unmarshalUTF8StringSlice(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - v := string(b[:x]) - s := f.toStringSlice() - *s = append(*s, v) - if !utf8.ValidString(v) { - return b[x:], errInvalidUTF8 - } - return b[x:], nil -} - -var emptyBuf [0]byte - -func unmarshalBytesValue(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - // The use of append here is a trick which avoids the zeroing - // that would be required if we used a make/copy pair. - // We append to emptyBuf instead of nil because we want - // a non-nil result even when the length is 0. - v := append(emptyBuf[:], b[:x]...) - *f.toBytes() = v - return b[x:], nil -} - -func unmarshalBytesSlice(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - v := append(emptyBuf[:], b[:x]...) - s := f.toBytesSlice() - *s = append(*s, v) - return b[x:], nil -} - -func makeUnmarshalMessagePtr(sub *unmarshalInfo, name string) unmarshaler { - return func(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - // First read the message field to see if something is there. - // The semantics of multiple submessages are weird. Instead of - // the last one winning (as it is for all other fields), multiple - // submessages are merged. - v := f.getPointer() - if v.isNil() { - v = valToPointer(reflect.New(sub.typ)) - f.setPointer(v) - } - err := sub.unmarshal(v, b[:x]) - if err != nil { - if r, ok := err.(*RequiredNotSetError); ok { - r.field = name + "." + r.field - } else { - return nil, err - } - } - return b[x:], err - } -} - -func makeUnmarshalMessageSlicePtr(sub *unmarshalInfo, name string) unmarshaler { - return func(b []byte, f pointer, w int) ([]byte, error) { - if w != WireBytes { - return b, errInternalBadWireType - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - v := valToPointer(reflect.New(sub.typ)) - err := sub.unmarshal(v, b[:x]) - if err != nil { - if r, ok := err.(*RequiredNotSetError); ok { - r.field = name + "." + r.field - } else { - return nil, err - } - } - f.appendPointer(v) - return b[x:], err - } -} - -func makeUnmarshalGroupPtr(sub *unmarshalInfo, name string) unmarshaler { - return func(b []byte, f pointer, w int) ([]byte, error) { - if w != WireStartGroup { - return b, errInternalBadWireType - } - x, y := findEndGroup(b) - if x < 0 { - return nil, io.ErrUnexpectedEOF - } - v := f.getPointer() - if v.isNil() { - v = valToPointer(reflect.New(sub.typ)) - f.setPointer(v) - } - err := sub.unmarshal(v, b[:x]) - if err != nil { - if r, ok := err.(*RequiredNotSetError); ok { - r.field = name + "." + r.field - } else { - return nil, err - } - } - return b[y:], err - } -} - -func makeUnmarshalGroupSlicePtr(sub *unmarshalInfo, name string) unmarshaler { - return func(b []byte, f pointer, w int) ([]byte, error) { - if w != WireStartGroup { - return b, errInternalBadWireType - } - x, y := findEndGroup(b) - if x < 0 { - return nil, io.ErrUnexpectedEOF - } - v := valToPointer(reflect.New(sub.typ)) - err := sub.unmarshal(v, b[:x]) - if err != nil { - if r, ok := err.(*RequiredNotSetError); ok { - r.field = name + "." + r.field - } else { - return nil, err - } - } - f.appendPointer(v) - return b[y:], err - } -} - -func makeUnmarshalMap(f *reflect.StructField) unmarshaler { - t := f.Type - kt := t.Key() - vt := t.Elem() - unmarshalKey := typeUnmarshaler(kt, f.Tag.Get("protobuf_key")) - unmarshalVal := typeUnmarshaler(vt, f.Tag.Get("protobuf_val")) - return func(b []byte, f pointer, w int) ([]byte, error) { - // The map entry is a submessage. Figure out how big it is. - if w != WireBytes { - return nil, fmt.Errorf("proto: bad wiretype for map field: got %d want %d", w, WireBytes) - } - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - b = b[n:] - if x > uint64(len(b)) { - return nil, io.ErrUnexpectedEOF - } - r := b[x:] // unused data to return - b = b[:x] // data for map entry - - // Note: we could use #keys * #values ~= 200 functions - // to do map decoding without reflection. Probably not worth it. - // Maps will be somewhat slow. Oh well. - - // Read key and value from data. - var nerr nonFatal - k := reflect.New(kt) - v := reflect.New(vt) - for len(b) > 0 { - x, n := decodeVarint(b) - if n == 0 { - return nil, io.ErrUnexpectedEOF - } - wire := int(x) & 7 - b = b[n:] - - var err error - switch x >> 3 { - case 1: - b, err = unmarshalKey(b, valToPointer(k), wire) - case 2: - b, err = unmarshalVal(b, valToPointer(v), wire) - default: - err = errInternalBadWireType // skip unknown tag - } - - if nerr.Merge(err) { - continue - } - if err != errInternalBadWireType { - return nil, err - } - - // Skip past unknown fields. - b, err = skipField(b, wire) - if err != nil { - return nil, err - } - } - - // Get map, allocate if needed. - m := f.asPointerTo(t).Elem() // an addressable map[K]T - if m.IsNil() { - m.Set(reflect.MakeMap(t)) - } - - // Insert into map. - m.SetMapIndex(k.Elem(), v.Elem()) - - return r, nerr.E - } -} - -// makeUnmarshalOneof makes an unmarshaler for oneof fields. -// for: -// message Msg { -// oneof F { -// int64 X = 1; -// float64 Y = 2; -// } -// } -// typ is the type of the concrete entry for a oneof case (e.g. Msg_X). -// ityp is the interface type of the oneof field (e.g. isMsg_F). -// unmarshal is the unmarshaler for the base type of the oneof case (e.g. int64). -// Note that this function will be called once for each case in the oneof. -func makeUnmarshalOneof(typ, ityp reflect.Type, unmarshal unmarshaler) unmarshaler { - sf := typ.Field(0) - field0 := toField(&sf) - return func(b []byte, f pointer, w int) ([]byte, error) { - // Allocate holder for value. - v := reflect.New(typ) - - // Unmarshal data into holder. - // We unmarshal into the first field of the holder object. - var err error - var nerr nonFatal - b, err = unmarshal(b, valToPointer(v).offset(field0), w) - if !nerr.Merge(err) { - return nil, err - } - - // Write pointer to holder into target field. - f.asPointerTo(ityp).Elem().Set(v) - - return b, nerr.E - } -} - -// Error used by decode internally. -var errInternalBadWireType = errors.New("proto: internal error: bad wiretype") - -// skipField skips past a field of type wire and returns the remaining bytes. -func skipField(b []byte, wire int) ([]byte, error) { - switch wire { - case WireVarint: - _, k := decodeVarint(b) - if k == 0 { - return b, io.ErrUnexpectedEOF - } - b = b[k:] - case WireFixed32: - if len(b) < 4 { - return b, io.ErrUnexpectedEOF - } - b = b[4:] - case WireFixed64: - if len(b) < 8 { - return b, io.ErrUnexpectedEOF - } - b = b[8:] - case WireBytes: - m, k := decodeVarint(b) - if k == 0 || uint64(len(b)-k) < m { - return b, io.ErrUnexpectedEOF - } - b = b[uint64(k)+m:] - case WireStartGroup: - _, i := findEndGroup(b) - if i == -1 { - return b, io.ErrUnexpectedEOF - } - b = b[i:] - default: - return b, fmt.Errorf("proto: can't skip unknown wire type %d", wire) - } - return b, nil -} - -// findEndGroup finds the index of the next EndGroup tag. -// Groups may be nested, so the "next" EndGroup tag is the first -// unpaired EndGroup. -// findEndGroup returns the indexes of the start and end of the EndGroup tag. -// Returns (-1,-1) if it can't find one. -func findEndGroup(b []byte) (int, int) { - depth := 1 - i := 0 - for { - x, n := decodeVarint(b[i:]) - if n == 0 { - return -1, -1 - } - j := i - i += n - switch x & 7 { - case WireVarint: - _, k := decodeVarint(b[i:]) - if k == 0 { - return -1, -1 - } - i += k - case WireFixed32: - if len(b)-4 < i { - return -1, -1 - } - i += 4 - case WireFixed64: - if len(b)-8 < i { - return -1, -1 - } - i += 8 - case WireBytes: - m, k := decodeVarint(b[i:]) - if k == 0 { - return -1, -1 - } - i += k - if uint64(len(b)-i) < m { - return -1, -1 - } - i += int(m) - case WireStartGroup: - depth++ - case WireEndGroup: - depth-- - if depth == 0 { - return j, i - } - default: - return -1, -1 - } - } -} - -// encodeVarint appends a varint-encoded integer to b and returns the result. -func encodeVarint(b []byte, x uint64) []byte { - for x >= 1<<7 { - b = append(b, byte(x&0x7f|0x80)) - x >>= 7 - } - return append(b, byte(x)) -} - -// decodeVarint reads a varint-encoded integer from b. -// Returns the decoded integer and the number of bytes read. -// If there is an error, it returns 0,0. -func decodeVarint(b []byte) (uint64, int) { - var x, y uint64 - if len(b) <= 0 { - goto bad - } - x = uint64(b[0]) - if x < 0x80 { - return x, 1 - } - x -= 0x80 - - if len(b) <= 1 { - goto bad - } - y = uint64(b[1]) - x += y << 7 - if y < 0x80 { - return x, 2 - } - x -= 0x80 << 7 - - if len(b) <= 2 { - goto bad - } - y = uint64(b[2]) - x += y << 14 - if y < 0x80 { - return x, 3 - } - x -= 0x80 << 14 - - if len(b) <= 3 { - goto bad - } - y = uint64(b[3]) - x += y << 21 - if y < 0x80 { - return x, 4 - } - x -= 0x80 << 21 - - if len(b) <= 4 { - goto bad - } - y = uint64(b[4]) - x += y << 28 - if y < 0x80 { - return x, 5 - } - x -= 0x80 << 28 - - if len(b) <= 5 { - goto bad - } - y = uint64(b[5]) - x += y << 35 - if y < 0x80 { - return x, 6 - } - x -= 0x80 << 35 - - if len(b) <= 6 { - goto bad - } - y = uint64(b[6]) - x += y << 42 - if y < 0x80 { - return x, 7 - } - x -= 0x80 << 42 - - if len(b) <= 7 { - goto bad - } - y = uint64(b[7]) - x += y << 49 - if y < 0x80 { - return x, 8 - } - x -= 0x80 << 49 - - if len(b) <= 8 { - goto bad - } - y = uint64(b[8]) - x += y << 56 - if y < 0x80 { - return x, 9 - } - x -= 0x80 << 56 - - if len(b) <= 9 { - goto bad - } - y = uint64(b[9]) - x += y << 63 - if y < 2 { - return x, 10 - } - -bad: - return 0, 0 -} diff --git a/vendor/github.com/golang/protobuf/proto/text.go b/vendor/github.com/golang/protobuf/proto/text.go deleted file mode 100644 index 1aaee72..0000000 --- a/vendor/github.com/golang/protobuf/proto/text.go +++ /dev/null @@ -1,843 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2010 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -// Functions for writing the text protocol buffer format. - -import ( - "bufio" - "bytes" - "encoding" - "errors" - "fmt" - "io" - "log" - "math" - "reflect" - "sort" - "strings" -) - -var ( - newline = []byte("\n") - spaces = []byte(" ") - endBraceNewline = []byte("}\n") - backslashN = []byte{'\\', 'n'} - backslashR = []byte{'\\', 'r'} - backslashT = []byte{'\\', 't'} - backslashDQ = []byte{'\\', '"'} - backslashBS = []byte{'\\', '\\'} - posInf = []byte("inf") - negInf = []byte("-inf") - nan = []byte("nan") -) - -type writer interface { - io.Writer - WriteByte(byte) error -} - -// textWriter is an io.Writer that tracks its indentation level. -type textWriter struct { - ind int - complete bool // if the current position is a complete line - compact bool // whether to write out as a one-liner - w writer -} - -func (w *textWriter) WriteString(s string) (n int, err error) { - if !strings.Contains(s, "\n") { - if !w.compact && w.complete { - w.writeIndent() - } - w.complete = false - return io.WriteString(w.w, s) - } - // WriteString is typically called without newlines, so this - // codepath and its copy are rare. We copy to avoid - // duplicating all of Write's logic here. - return w.Write([]byte(s)) -} - -func (w *textWriter) Write(p []byte) (n int, err error) { - newlines := bytes.Count(p, newline) - if newlines == 0 { - if !w.compact && w.complete { - w.writeIndent() - } - n, err = w.w.Write(p) - w.complete = false - return n, err - } - - frags := bytes.SplitN(p, newline, newlines+1) - if w.compact { - for i, frag := range frags { - if i > 0 { - if err := w.w.WriteByte(' '); err != nil { - return n, err - } - n++ - } - nn, err := w.w.Write(frag) - n += nn - if err != nil { - return n, err - } - } - return n, nil - } - - for i, frag := range frags { - if w.complete { - w.writeIndent() - } - nn, err := w.w.Write(frag) - n += nn - if err != nil { - return n, err - } - if i+1 < len(frags) { - if err := w.w.WriteByte('\n'); err != nil { - return n, err - } - n++ - } - } - w.complete = len(frags[len(frags)-1]) == 0 - return n, nil -} - -func (w *textWriter) WriteByte(c byte) error { - if w.compact && c == '\n' { - c = ' ' - } - if !w.compact && w.complete { - w.writeIndent() - } - err := w.w.WriteByte(c) - w.complete = c == '\n' - return err -} - -func (w *textWriter) indent() { w.ind++ } - -func (w *textWriter) unindent() { - if w.ind == 0 { - log.Print("proto: textWriter unindented too far") - return - } - w.ind-- -} - -func writeName(w *textWriter, props *Properties) error { - if _, err := w.WriteString(props.OrigName); err != nil { - return err - } - if props.Wire != "group" { - return w.WriteByte(':') - } - return nil -} - -func requiresQuotes(u string) bool { - // When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted. - for _, ch := range u { - switch { - case ch == '.' || ch == '/' || ch == '_': - continue - case '0' <= ch && ch <= '9': - continue - case 'A' <= ch && ch <= 'Z': - continue - case 'a' <= ch && ch <= 'z': - continue - default: - return true - } - } - return false -} - -// isAny reports whether sv is a google.protobuf.Any message -func isAny(sv reflect.Value) bool { - type wkt interface { - XXX_WellKnownType() string - } - t, ok := sv.Addr().Interface().(wkt) - return ok && t.XXX_WellKnownType() == "Any" -} - -// writeProto3Any writes an expanded google.protobuf.Any message. -// -// It returns (false, nil) if sv value can't be unmarshaled (e.g. because -// required messages are not linked in). -// -// It returns (true, error) when sv was written in expanded format or an error -// was encountered. -func (tm *TextMarshaler) writeProto3Any(w *textWriter, sv reflect.Value) (bool, error) { - turl := sv.FieldByName("TypeUrl") - val := sv.FieldByName("Value") - if !turl.IsValid() || !val.IsValid() { - return true, errors.New("proto: invalid google.protobuf.Any message") - } - - b, ok := val.Interface().([]byte) - if !ok { - return true, errors.New("proto: invalid google.protobuf.Any message") - } - - parts := strings.Split(turl.String(), "/") - mt := MessageType(parts[len(parts)-1]) - if mt == nil { - return false, nil - } - m := reflect.New(mt.Elem()) - if err := Unmarshal(b, m.Interface().(Message)); err != nil { - return false, nil - } - w.Write([]byte("[")) - u := turl.String() - if requiresQuotes(u) { - writeString(w, u) - } else { - w.Write([]byte(u)) - } - if w.compact { - w.Write([]byte("]:<")) - } else { - w.Write([]byte("]: <\n")) - w.ind++ - } - if err := tm.writeStruct(w, m.Elem()); err != nil { - return true, err - } - if w.compact { - w.Write([]byte("> ")) - } else { - w.ind-- - w.Write([]byte(">\n")) - } - return true, nil -} - -func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error { - if tm.ExpandAny && isAny(sv) { - if canExpand, err := tm.writeProto3Any(w, sv); canExpand { - return err - } - } - st := sv.Type() - sprops := GetProperties(st) - for i := 0; i < sv.NumField(); i++ { - fv := sv.Field(i) - props := sprops.Prop[i] - name := st.Field(i).Name - - if name == "XXX_NoUnkeyedLiteral" { - continue - } - - if strings.HasPrefix(name, "XXX_") { - // There are two XXX_ fields: - // XXX_unrecognized []byte - // XXX_extensions map[int32]proto.Extension - // The first is handled here; - // the second is handled at the bottom of this function. - if name == "XXX_unrecognized" && !fv.IsNil() { - if err := writeUnknownStruct(w, fv.Interface().([]byte)); err != nil { - return err - } - } - continue - } - if fv.Kind() == reflect.Ptr && fv.IsNil() { - // Field not filled in. This could be an optional field or - // a required field that wasn't filled in. Either way, there - // isn't anything we can show for it. - continue - } - if fv.Kind() == reflect.Slice && fv.IsNil() { - // Repeated field that is empty, or a bytes field that is unused. - continue - } - - if props.Repeated && fv.Kind() == reflect.Slice { - // Repeated field. - for j := 0; j < fv.Len(); j++ { - if err := writeName(w, props); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte(' '); err != nil { - return err - } - } - v := fv.Index(j) - if v.Kind() == reflect.Ptr && v.IsNil() { - // A nil message in a repeated field is not valid, - // but we can handle that more gracefully than panicking. - if _, err := w.Write([]byte("<nil>\n")); err != nil { - return err - } - continue - } - if err := tm.writeAny(w, v, props); err != nil { - return err - } - if err := w.WriteByte('\n'); err != nil { - return err - } - } - continue - } - if fv.Kind() == reflect.Map { - // Map fields are rendered as a repeated struct with key/value fields. - keys := fv.MapKeys() - sort.Sort(mapKeys(keys)) - for _, key := range keys { - val := fv.MapIndex(key) - if err := writeName(w, props); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte(' '); err != nil { - return err - } - } - // open struct - if err := w.WriteByte('<'); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte('\n'); err != nil { - return err - } - } - w.indent() - // key - if _, err := w.WriteString("key:"); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte(' '); err != nil { - return err - } - } - if err := tm.writeAny(w, key, props.MapKeyProp); err != nil { - return err - } - if err := w.WriteByte('\n'); err != nil { - return err - } - // nil values aren't legal, but we can avoid panicking because of them. - if val.Kind() != reflect.Ptr || !val.IsNil() { - // value - if _, err := w.WriteString("value:"); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte(' '); err != nil { - return err - } - } - if err := tm.writeAny(w, val, props.MapValProp); err != nil { - return err - } - if err := w.WriteByte('\n'); err != nil { - return err - } - } - // close struct - w.unindent() - if err := w.WriteByte('>'); err != nil { - return err - } - if err := w.WriteByte('\n'); err != nil { - return err - } - } - continue - } - if props.proto3 && fv.Kind() == reflect.Slice && fv.Len() == 0 { - // empty bytes field - continue - } - if fv.Kind() != reflect.Ptr && fv.Kind() != reflect.Slice { - // proto3 non-repeated scalar field; skip if zero value - if isProto3Zero(fv) { - continue - } - } - - if fv.Kind() == reflect.Interface { - // Check if it is a oneof. - if st.Field(i).Tag.Get("protobuf_oneof") != "" { - // fv is nil, or holds a pointer to generated struct. - // That generated struct has exactly one field, - // which has a protobuf struct tag. - if fv.IsNil() { - continue - } - inner := fv.Elem().Elem() // interface -> *T -> T - tag := inner.Type().Field(0).Tag.Get("protobuf") - props = new(Properties) // Overwrite the outer props var, but not its pointee. - props.Parse(tag) - // Write the value in the oneof, not the oneof itself. - fv = inner.Field(0) - - // Special case to cope with malformed messages gracefully: - // If the value in the oneof is a nil pointer, don't panic - // in writeAny. - if fv.Kind() == reflect.Ptr && fv.IsNil() { - // Use errors.New so writeAny won't render quotes. - msg := errors.New("/* nil */") - fv = reflect.ValueOf(&msg).Elem() - } - } - } - - if err := writeName(w, props); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte(' '); err != nil { - return err - } - } - - // Enums have a String method, so writeAny will work fine. - if err := tm.writeAny(w, fv, props); err != nil { - return err - } - - if err := w.WriteByte('\n'); err != nil { - return err - } - } - - // Extensions (the XXX_extensions field). - pv := sv.Addr() - if _, err := extendable(pv.Interface()); err == nil { - if err := tm.writeExtensions(w, pv); err != nil { - return err - } - } - - return nil -} - -// writeAny writes an arbitrary field. -func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error { - v = reflect.Indirect(v) - - // Floats have special cases. - if v.Kind() == reflect.Float32 || v.Kind() == reflect.Float64 { - x := v.Float() - var b []byte - switch { - case math.IsInf(x, 1): - b = posInf - case math.IsInf(x, -1): - b = negInf - case math.IsNaN(x): - b = nan - } - if b != nil { - _, err := w.Write(b) - return err - } - // Other values are handled below. - } - - // We don't attempt to serialise every possible value type; only those - // that can occur in protocol buffers. - switch v.Kind() { - case reflect.Slice: - // Should only be a []byte; repeated fields are handled in writeStruct. - if err := writeString(w, string(v.Bytes())); err != nil { - return err - } - case reflect.String: - if err := writeString(w, v.String()); err != nil { - return err - } - case reflect.Struct: - // Required/optional group/message. - var bra, ket byte = '<', '>' - if props != nil && props.Wire == "group" { - bra, ket = '{', '}' - } - if err := w.WriteByte(bra); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte('\n'); err != nil { - return err - } - } - w.indent() - if v.CanAddr() { - // Calling v.Interface on a struct causes the reflect package to - // copy the entire struct. This is racy with the new Marshaler - // since we atomically update the XXX_sizecache. - // - // Thus, we retrieve a pointer to the struct if possible to avoid - // a race since v.Interface on the pointer doesn't copy the struct. - // - // If v is not addressable, then we are not worried about a race - // since it implies that the binary Marshaler cannot possibly be - // mutating this value. - v = v.Addr() - } - if etm, ok := v.Interface().(encoding.TextMarshaler); ok { - text, err := etm.MarshalText() - if err != nil { - return err - } - if _, err = w.Write(text); err != nil { - return err - } - } else { - if v.Kind() == reflect.Ptr { - v = v.Elem() - } - if err := tm.writeStruct(w, v); err != nil { - return err - } - } - w.unindent() - if err := w.WriteByte(ket); err != nil { - return err - } - default: - _, err := fmt.Fprint(w, v.Interface()) - return err - } - return nil -} - -// equivalent to C's isprint. -func isprint(c byte) bool { - return c >= 0x20 && c < 0x7f -} - -// writeString writes a string in the protocol buffer text format. -// It is similar to strconv.Quote except we don't use Go escape sequences, -// we treat the string as a byte sequence, and we use octal escapes. -// These differences are to maintain interoperability with the other -// languages' implementations of the text format. -func writeString(w *textWriter, s string) error { - // use WriteByte here to get any needed indent - if err := w.WriteByte('"'); err != nil { - return err - } - // Loop over the bytes, not the runes. - for i := 0; i < len(s); i++ { - var err error - // Divergence from C++: we don't escape apostrophes. - // There's no need to escape them, and the C++ parser - // copes with a naked apostrophe. - switch c := s[i]; c { - case '\n': - _, err = w.w.Write(backslashN) - case '\r': - _, err = w.w.Write(backslashR) - case '\t': - _, err = w.w.Write(backslashT) - case '"': - _, err = w.w.Write(backslashDQ) - case '\\': - _, err = w.w.Write(backslashBS) - default: - if isprint(c) { - err = w.w.WriteByte(c) - } else { - _, err = fmt.Fprintf(w.w, "\\%03o", c) - } - } - if err != nil { - return err - } - } - return w.WriteByte('"') -} - -func writeUnknownStruct(w *textWriter, data []byte) (err error) { - if !w.compact { - if _, err := fmt.Fprintf(w, "/* %d unknown bytes */\n", len(data)); err != nil { - return err - } - } - b := NewBuffer(data) - for b.index < len(b.buf) { - x, err := b.DecodeVarint() - if err != nil { - _, err := fmt.Fprintf(w, "/* %v */\n", err) - return err - } - wire, tag := x&7, x>>3 - if wire == WireEndGroup { - w.unindent() - if _, err := w.Write(endBraceNewline); err != nil { - return err - } - continue - } - if _, err := fmt.Fprint(w, tag); err != nil { - return err - } - if wire != WireStartGroup { - if err := w.WriteByte(':'); err != nil { - return err - } - } - if !w.compact || wire == WireStartGroup { - if err := w.WriteByte(' '); err != nil { - return err - } - } - switch wire { - case WireBytes: - buf, e := b.DecodeRawBytes(false) - if e == nil { - _, err = fmt.Fprintf(w, "%q", buf) - } else { - _, err = fmt.Fprintf(w, "/* %v */", e) - } - case WireFixed32: - x, err = b.DecodeFixed32() - err = writeUnknownInt(w, x, err) - case WireFixed64: - x, err = b.DecodeFixed64() - err = writeUnknownInt(w, x, err) - case WireStartGroup: - err = w.WriteByte('{') - w.indent() - case WireVarint: - x, err = b.DecodeVarint() - err = writeUnknownInt(w, x, err) - default: - _, err = fmt.Fprintf(w, "/* unknown wire type %d */", wire) - } - if err != nil { - return err - } - if err = w.WriteByte('\n'); err != nil { - return err - } - } - return nil -} - -func writeUnknownInt(w *textWriter, x uint64, err error) error { - if err == nil { - _, err = fmt.Fprint(w, x) - } else { - _, err = fmt.Fprintf(w, "/* %v */", err) - } - return err -} - -type int32Slice []int32 - -func (s int32Slice) Len() int { return len(s) } -func (s int32Slice) Less(i, j int) bool { return s[i] < s[j] } -func (s int32Slice) Swap(i, j int) { s[i], s[j] = s[j], s[i] } - -// writeExtensions writes all the extensions in pv. -// pv is assumed to be a pointer to a protocol message struct that is extendable. -func (tm *TextMarshaler) writeExtensions(w *textWriter, pv reflect.Value) error { - emap := extensionMaps[pv.Type().Elem()] - ep, _ := extendable(pv.Interface()) - - // Order the extensions by ID. - // This isn't strictly necessary, but it will give us - // canonical output, which will also make testing easier. - m, mu := ep.extensionsRead() - if m == nil { - return nil - } - mu.Lock() - ids := make([]int32, 0, len(m)) - for id := range m { - ids = append(ids, id) - } - sort.Sort(int32Slice(ids)) - mu.Unlock() - - for _, extNum := range ids { - ext := m[extNum] - var desc *ExtensionDesc - if emap != nil { - desc = emap[extNum] - } - if desc == nil { - // Unknown extension. - if err := writeUnknownStruct(w, ext.enc); err != nil { - return err - } - continue - } - - pb, err := GetExtension(ep, desc) - if err != nil { - return fmt.Errorf("failed getting extension: %v", err) - } - - // Repeated extensions will appear as a slice. - if !desc.repeated() { - if err := tm.writeExtension(w, desc.Name, pb); err != nil { - return err - } - } else { - v := reflect.ValueOf(pb) - for i := 0; i < v.Len(); i++ { - if err := tm.writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil { - return err - } - } - } - } - return nil -} - -func (tm *TextMarshaler) writeExtension(w *textWriter, name string, pb interface{}) error { - if _, err := fmt.Fprintf(w, "[%s]:", name); err != nil { - return err - } - if !w.compact { - if err := w.WriteByte(' '); err != nil { - return err - } - } - if err := tm.writeAny(w, reflect.ValueOf(pb), nil); err != nil { - return err - } - if err := w.WriteByte('\n'); err != nil { - return err - } - return nil -} - -func (w *textWriter) writeIndent() { - if !w.complete { - return - } - remain := w.ind * 2 - for remain > 0 { - n := remain - if n > len(spaces) { - n = len(spaces) - } - w.w.Write(spaces[:n]) - remain -= n - } - w.complete = false -} - -// TextMarshaler is a configurable text format marshaler. -type TextMarshaler struct { - Compact bool // use compact text format (one line). - ExpandAny bool // expand google.protobuf.Any messages of known types -} - -// Marshal writes a given protocol buffer in text format. -// The only errors returned are from w. -func (tm *TextMarshaler) Marshal(w io.Writer, pb Message) error { - val := reflect.ValueOf(pb) - if pb == nil || val.IsNil() { - w.Write([]byte("<nil>")) - return nil - } - var bw *bufio.Writer - ww, ok := w.(writer) - if !ok { - bw = bufio.NewWriter(w) - ww = bw - } - aw := &textWriter{ - w: ww, - complete: true, - compact: tm.Compact, - } - - if etm, ok := pb.(encoding.TextMarshaler); ok { - text, err := etm.MarshalText() - if err != nil { - return err - } - if _, err = aw.Write(text); err != nil { - return err - } - if bw != nil { - return bw.Flush() - } - return nil - } - // Dereference the received pointer so we don't have outer < and >. - v := reflect.Indirect(val) - if err := tm.writeStruct(aw, v); err != nil { - return err - } - if bw != nil { - return bw.Flush() - } - return nil -} - -// Text is the same as Marshal, but returns the string directly. -func (tm *TextMarshaler) Text(pb Message) string { - var buf bytes.Buffer - tm.Marshal(&buf, pb) - return buf.String() -} - -var ( - defaultTextMarshaler = TextMarshaler{} - compactTextMarshaler = TextMarshaler{Compact: true} -) - -// TODO: consider removing some of the Marshal functions below. - -// MarshalText writes a given protocol buffer in text format. -// The only errors returned are from w. -func MarshalText(w io.Writer, pb Message) error { return defaultTextMarshaler.Marshal(w, pb) } - -// MarshalTextString is the same as MarshalText, but returns the string directly. -func MarshalTextString(pb Message) string { return defaultTextMarshaler.Text(pb) } - -// CompactText writes a given protocol buffer in compact text format (one line). -func CompactText(w io.Writer, pb Message) error { return compactTextMarshaler.Marshal(w, pb) } - -// CompactTextString is the same as CompactText, but returns the string directly. -func CompactTextString(pb Message) string { return compactTextMarshaler.Text(pb) } diff --git a/vendor/github.com/golang/protobuf/proto/text_parser.go b/vendor/github.com/golang/protobuf/proto/text_parser.go deleted file mode 100644 index bb55a3a..0000000 --- a/vendor/github.com/golang/protobuf/proto/text_parser.go +++ /dev/null @@ -1,880 +0,0 @@ -// Go support for Protocol Buffers - Google's data interchange format -// -// Copyright 2010 The Go Authors. All rights reserved. -// https://github.com/golang/protobuf -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package proto - -// Functions for parsing the Text protocol buffer format. -// TODO: message sets. - -import ( - "encoding" - "errors" - "fmt" - "reflect" - "strconv" - "strings" - "unicode/utf8" -) - -// Error string emitted when deserializing Any and fields are already set -const anyRepeatedlyUnpacked = "Any message unpacked multiple times, or %q already set" - -type ParseError struct { - Message string - Line int // 1-based line number - Offset int // 0-based byte offset from start of input -} - -func (p *ParseError) Error() string { - if p.Line == 1 { - // show offset only for first line - return fmt.Sprintf("line 1.%d: %v", p.Offset, p.Message) - } - return fmt.Sprintf("line %d: %v", p.Line, p.Message) -} - -type token struct { - value string - err *ParseError - line int // line number - offset int // byte number from start of input, not start of line - unquoted string // the unquoted version of value, if it was a quoted string -} - -func (t *token) String() string { - if t.err == nil { - return fmt.Sprintf("%q (line=%d, offset=%d)", t.value, t.line, t.offset) - } - return fmt.Sprintf("parse error: %v", t.err) -} - -type textParser struct { - s string // remaining input - done bool // whether the parsing is finished (success or error) - backed bool // whether back() was called - offset, line int - cur token -} - -func newTextParser(s string) *textParser { - p := new(textParser) - p.s = s - p.line = 1 - p.cur.line = 1 - return p -} - -func (p *textParser) errorf(format string, a ...interface{}) *ParseError { - pe := &ParseError{fmt.Sprintf(format, a...), p.cur.line, p.cur.offset} - p.cur.err = pe - p.done = true - return pe -} - -// Numbers and identifiers are matched by [-+._A-Za-z0-9] -func isIdentOrNumberChar(c byte) bool { - switch { - case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z': - return true - case '0' <= c && c <= '9': - return true - } - switch c { - case '-', '+', '.', '_': - return true - } - return false -} - -func isWhitespace(c byte) bool { - switch c { - case ' ', '\t', '\n', '\r': - return true - } - return false -} - -func isQuote(c byte) bool { - switch c { - case '"', '\'': - return true - } - return false -} - -func (p *textParser) skipWhitespace() { - i := 0 - for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') { - if p.s[i] == '#' { - // comment; skip to end of line or input - for i < len(p.s) && p.s[i] != '\n' { - i++ - } - if i == len(p.s) { - break - } - } - if p.s[i] == '\n' { - p.line++ - } - i++ - } - p.offset += i - p.s = p.s[i:len(p.s)] - if len(p.s) == 0 { - p.done = true - } -} - -func (p *textParser) advance() { - // Skip whitespace - p.skipWhitespace() - if p.done { - return - } - - // Start of non-whitespace - p.cur.err = nil - p.cur.offset, p.cur.line = p.offset, p.line - p.cur.unquoted = "" - switch p.s[0] { - case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/': - // Single symbol - p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)] - case '"', '\'': - // Quoted string - i := 1 - for i < len(p.s) && p.s[i] != p.s[0] && p.s[i] != '\n' { - if p.s[i] == '\\' && i+1 < len(p.s) { - // skip escaped char - i++ - } - i++ - } - if i >= len(p.s) || p.s[i] != p.s[0] { - p.errorf("unmatched quote") - return - } - unq, err := unquoteC(p.s[1:i], rune(p.s[0])) - if err != nil { - p.errorf("invalid quoted string %s: %v", p.s[0:i+1], err) - return - } - p.cur.value, p.s = p.s[0:i+1], p.s[i+1:len(p.s)] - p.cur.unquoted = unq - default: - i := 0 - for i < len(p.s) && isIdentOrNumberChar(p.s[i]) { - i++ - } - if i == 0 { - p.errorf("unexpected byte %#x", p.s[0]) - return - } - p.cur.value, p.s = p.s[0:i], p.s[i:len(p.s)] - } - p.offset += len(p.cur.value) -} - -var ( - errBadUTF8 = errors.New("proto: bad UTF-8") -) - -func unquoteC(s string, quote rune) (string, error) { - // This is based on C++'s tokenizer.cc. - // Despite its name, this is *not* parsing C syntax. - // For instance, "\0" is an invalid quoted string. - - // Avoid allocation in trivial cases. - simple := true - for _, r := range s { - if r == '\\' || r == quote { - simple = false - break - } - } - if simple { - return s, nil - } - - buf := make([]byte, 0, 3*len(s)/2) - for len(s) > 0 { - r, n := utf8.DecodeRuneInString(s) - if r == utf8.RuneError && n == 1 { - return "", errBadUTF8 - } - s = s[n:] - if r != '\\' { - if r < utf8.RuneSelf { - buf = append(buf, byte(r)) - } else { - buf = append(buf, string(r)...) - } - continue - } - - ch, tail, err := unescape(s) - if err != nil { - return "", err - } - buf = append(buf, ch...) - s = tail - } - return string(buf), nil -} - -func unescape(s string) (ch string, tail string, err error) { - r, n := utf8.DecodeRuneInString(s) - if r == utf8.RuneError && n == 1 { - return "", "", errBadUTF8 - } - s = s[n:] - switch r { - case 'a': - return "\a", s, nil - case 'b': - return "\b", s, nil - case 'f': - return "\f", s, nil - case 'n': - return "\n", s, nil - case 'r': - return "\r", s, nil - case 't': - return "\t", s, nil - case 'v': - return "\v", s, nil - case '?': - return "?", s, nil // trigraph workaround - case '\'', '"', '\\': - return string(r), s, nil - case '0', '1', '2', '3', '4', '5', '6', '7': - if len(s) < 2 { - return "", "", fmt.Errorf(`\%c requires 2 following digits`, r) - } - ss := string(r) + s[:2] - s = s[2:] - i, err := strconv.ParseUint(ss, 8, 8) - if err != nil { - return "", "", fmt.Errorf(`\%s contains non-octal digits`, ss) - } - return string([]byte{byte(i)}), s, nil - case 'x', 'X', 'u', 'U': - var n int - switch r { - case 'x', 'X': - n = 2 - case 'u': - n = 4 - case 'U': - n = 8 - } - if len(s) < n { - return "", "", fmt.Errorf(`\%c requires %d following digits`, r, n) - } - ss := s[:n] - s = s[n:] - i, err := strconv.ParseUint(ss, 16, 64) - if err != nil { - return "", "", fmt.Errorf(`\%c%s contains non-hexadecimal digits`, r, ss) - } - if r == 'x' || r == 'X' { - return string([]byte{byte(i)}), s, nil - } - if i > utf8.MaxRune { - return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss) - } - return string(i), s, nil - } - return "", "", fmt.Errorf(`unknown escape \%c`, r) -} - -// Back off the parser by one token. Can only be done between calls to next(). -// It makes the next advance() a no-op. -func (p *textParser) back() { p.backed = true } - -// Advances the parser and returns the new current token. -func (p *textParser) next() *token { - if p.backed || p.done { - p.backed = false - return &p.cur - } - p.advance() - if p.done { - p.cur.value = "" - } else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) { - // Look for multiple quoted strings separated by whitespace, - // and concatenate them. - cat := p.cur - for { - p.skipWhitespace() - if p.done || !isQuote(p.s[0]) { - break - } - p.advance() - if p.cur.err != nil { - return &p.cur - } - cat.value += " " + p.cur.value - cat.unquoted += p.cur.unquoted - } - p.done = false // parser may have seen EOF, but we want to return cat - p.cur = cat - } - return &p.cur -} - -func (p *textParser) consumeToken(s string) error { - tok := p.next() - if tok.err != nil { - return tok.err - } - if tok.value != s { - p.back() - return p.errorf("expected %q, found %q", s, tok.value) - } - return nil -} - -// Return a RequiredNotSetError indicating which required field was not set. -func (p *textParser) missingRequiredFieldError(sv reflect.Value) *RequiredNotSetError { - st := sv.Type() - sprops := GetProperties(st) - for i := 0; i < st.NumField(); i++ { - if !isNil(sv.Field(i)) { - continue - } - - props := sprops.Prop[i] - if props.Required { - return &RequiredNotSetError{fmt.Sprintf("%v.%v", st, props.OrigName)} - } - } - return &RequiredNotSetError{fmt.Sprintf("%v.<unknown field name>", st)} // should not happen -} - -// Returns the index in the struct for the named field, as well as the parsed tag properties. -func structFieldByName(sprops *StructProperties, name string) (int, *Properties, bool) { - i, ok := sprops.decoderOrigNames[name] - if ok { - return i, sprops.Prop[i], true - } - return -1, nil, false -} - -// Consume a ':' from the input stream (if the next token is a colon), -// returning an error if a colon is needed but not present. -func (p *textParser) checkForColon(props *Properties, typ reflect.Type) *ParseError { - tok := p.next() - if tok.err != nil { - return tok.err - } - if tok.value != ":" { - // Colon is optional when the field is a group or message. - needColon := true - switch props.Wire { - case "group": - needColon = false - case "bytes": - // A "bytes" field is either a message, a string, or a repeated field; - // those three become *T, *string and []T respectively, so we can check for - // this field being a pointer to a non-string. - if typ.Kind() == reflect.Ptr { - // *T or *string - if typ.Elem().Kind() == reflect.String { - break - } - } else if typ.Kind() == reflect.Slice { - // []T or []*T - if typ.Elem().Kind() != reflect.Ptr { - break - } - } else if typ.Kind() == reflect.String { - // The proto3 exception is for a string field, - // which requires a colon. - break - } - needColon = false - } - if needColon { - return p.errorf("expected ':', found %q", tok.value) - } - p.back() - } - return nil -} - -func (p *textParser) readStruct(sv reflect.Value, terminator string) error { - st := sv.Type() - sprops := GetProperties(st) - reqCount := sprops.reqCount - var reqFieldErr error - fieldSet := make(map[string]bool) - // A struct is a sequence of "name: value", terminated by one of - // '>' or '}', or the end of the input. A name may also be - // "[extension]" or "[type/url]". - // - // The whole struct can also be an expanded Any message, like: - // [type/url] < ... struct contents ... > - for { - tok := p.next() - if tok.err != nil { - return tok.err - } - if tok.value == terminator { - break - } - if tok.value == "[" { - // Looks like an extension or an Any. - // - // TODO: Check whether we need to handle - // namespace rooted names (e.g. ".something.Foo"). - extName, err := p.consumeExtName() - if err != nil { - return err - } - - if s := strings.LastIndex(extName, "/"); s >= 0 { - // If it contains a slash, it's an Any type URL. - messageName := extName[s+1:] - mt := MessageType(messageName) - if mt == nil { - return p.errorf("unrecognized message %q in google.protobuf.Any", messageName) - } - tok = p.next() - if tok.err != nil { - return tok.err - } - // consume an optional colon - if tok.value == ":" { - tok = p.next() - if tok.err != nil { - return tok.err - } - } - var terminator string - switch tok.value { - case "<": - terminator = ">" - case "{": - terminator = "}" - default: - return p.errorf("expected '{' or '<', found %q", tok.value) - } - v := reflect.New(mt.Elem()) - if pe := p.readStruct(v.Elem(), terminator); pe != nil { - return pe - } - b, err := Marshal(v.Interface().(Message)) - if err != nil { - return p.errorf("failed to marshal message of type %q: %v", messageName, err) - } - if fieldSet["type_url"] { - return p.errorf(anyRepeatedlyUnpacked, "type_url") - } - if fieldSet["value"] { - return p.errorf(anyRepeatedlyUnpacked, "value") - } - sv.FieldByName("TypeUrl").SetString(extName) - sv.FieldByName("Value").SetBytes(b) - fieldSet["type_url"] = true - fieldSet["value"] = true - continue - } - - var desc *ExtensionDesc - // This could be faster, but it's functional. - // TODO: Do something smarter than a linear scan. - for _, d := range RegisteredExtensions(reflect.New(st).Interface().(Message)) { - if d.Name == extName { - desc = d - break - } - } - if desc == nil { - return p.errorf("unrecognized extension %q", extName) - } - - props := &Properties{} - props.Parse(desc.Tag) - - typ := reflect.TypeOf(desc.ExtensionType) - if err := p.checkForColon(props, typ); err != nil { - return err - } - - rep := desc.repeated() - - // Read the extension structure, and set it in - // the value we're constructing. - var ext reflect.Value - if !rep { - ext = reflect.New(typ).Elem() - } else { - ext = reflect.New(typ.Elem()).Elem() - } - if err := p.readAny(ext, props); err != nil { - if _, ok := err.(*RequiredNotSetError); !ok { - return err - } - reqFieldErr = err - } - ep := sv.Addr().Interface().(Message) - if !rep { - SetExtension(ep, desc, ext.Interface()) - } else { - old, err := GetExtension(ep, desc) - var sl reflect.Value - if err == nil { - sl = reflect.ValueOf(old) // existing slice - } else { - sl = reflect.MakeSlice(typ, 0, 1) - } - sl = reflect.Append(sl, ext) - SetExtension(ep, desc, sl.Interface()) - } - if err := p.consumeOptionalSeparator(); err != nil { - return err - } - continue - } - - // This is a normal, non-extension field. - name := tok.value - var dst reflect.Value - fi, props, ok := structFieldByName(sprops, name) - if ok { - dst = sv.Field(fi) - } else if oop, ok := sprops.OneofTypes[name]; ok { - // It is a oneof. - props = oop.Prop - nv := reflect.New(oop.Type.Elem()) - dst = nv.Elem().Field(0) - field := sv.Field(oop.Field) - if !field.IsNil() { - return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, sv.Type().Field(oop.Field).Name) - } - field.Set(nv) - } - if !dst.IsValid() { - return p.errorf("unknown field name %q in %v", name, st) - } - - if dst.Kind() == reflect.Map { - // Consume any colon. - if err := p.checkForColon(props, dst.Type()); err != nil { - return err - } - - // Construct the map if it doesn't already exist. - if dst.IsNil() { - dst.Set(reflect.MakeMap(dst.Type())) - } - key := reflect.New(dst.Type().Key()).Elem() - val := reflect.New(dst.Type().Elem()).Elem() - - // The map entry should be this sequence of tokens: - // < key : KEY value : VALUE > - // However, implementations may omit key or value, and technically - // we should support them in any order. See b/28924776 for a time - // this went wrong. - - tok := p.next() - var terminator string - switch tok.value { - case "<": - terminator = ">" - case "{": - terminator = "}" - default: - return p.errorf("expected '{' or '<', found %q", tok.value) - } - for { - tok := p.next() - if tok.err != nil { - return tok.err - } - if tok.value == terminator { - break - } - switch tok.value { - case "key": - if err := p.consumeToken(":"); err != nil { - return err - } - if err := p.readAny(key, props.MapKeyProp); err != nil { - return err - } - if err := p.consumeOptionalSeparator(); err != nil { - return err - } - case "value": - if err := p.checkForColon(props.MapValProp, dst.Type().Elem()); err != nil { - return err - } - if err := p.readAny(val, props.MapValProp); err != nil { - return err - } - if err := p.consumeOptionalSeparator(); err != nil { - return err - } - default: - p.back() - return p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value) - } - } - - dst.SetMapIndex(key, val) - continue - } - - // Check that it's not already set if it's not a repeated field. - if !props.Repeated && fieldSet[name] { - return p.errorf("non-repeated field %q was repeated", name) - } - - if err := p.checkForColon(props, dst.Type()); err != nil { - return err - } - - // Parse into the field. - fieldSet[name] = true - if err := p.readAny(dst, props); err != nil { - if _, ok := err.(*RequiredNotSetError); !ok { - return err - } - reqFieldErr = err - } - if props.Required { - reqCount-- - } - - if err := p.consumeOptionalSeparator(); err != nil { - return err - } - - } - - if reqCount > 0 { - return p.missingRequiredFieldError(sv) - } - return reqFieldErr -} - -// consumeExtName consumes extension name or expanded Any type URL and the -// following ']'. It returns the name or URL consumed. -func (p *textParser) consumeExtName() (string, error) { - tok := p.next() - if tok.err != nil { - return "", tok.err - } - - // If extension name or type url is quoted, it's a single token. - if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] { - name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0])) - if err != nil { - return "", err - } - return name, p.consumeToken("]") - } - - // Consume everything up to "]" - var parts []string - for tok.value != "]" { - parts = append(parts, tok.value) - tok = p.next() - if tok.err != nil { - return "", p.errorf("unrecognized type_url or extension name: %s", tok.err) - } - if p.done && tok.value != "]" { - return "", p.errorf("unclosed type_url or extension name") - } - } - return strings.Join(parts, ""), nil -} - -// consumeOptionalSeparator consumes an optional semicolon or comma. -// It is used in readStruct to provide backward compatibility. -func (p *textParser) consumeOptionalSeparator() error { - tok := p.next() - if tok.err != nil { - return tok.err - } - if tok.value != ";" && tok.value != "," { - p.back() - } - return nil -} - -func (p *textParser) readAny(v reflect.Value, props *Properties) error { - tok := p.next() - if tok.err != nil { - return tok.err - } - if tok.value == "" { - return p.errorf("unexpected EOF") - } - - switch fv := v; fv.Kind() { - case reflect.Slice: - at := v.Type() - if at.Elem().Kind() == reflect.Uint8 { - // Special case for []byte - if tok.value[0] != '"' && tok.value[0] != '\'' { - // Deliberately written out here, as the error after - // this switch statement would write "invalid []byte: ...", - // which is not as user-friendly. - return p.errorf("invalid string: %v", tok.value) - } - bytes := []byte(tok.unquoted) - fv.Set(reflect.ValueOf(bytes)) - return nil - } - // Repeated field. - if tok.value == "[" { - // Repeated field with list notation, like [1,2,3]. - for { - fv.Set(reflect.Append(fv, reflect.New(at.Elem()).Elem())) - err := p.readAny(fv.Index(fv.Len()-1), props) - if err != nil { - return err - } - tok := p.next() - if tok.err != nil { - return tok.err - } - if tok.value == "]" { - break - } - if tok.value != "," { - return p.errorf("Expected ']' or ',' found %q", tok.value) - } - } - return nil - } - // One value of the repeated field. - p.back() - fv.Set(reflect.Append(fv, reflect.New(at.Elem()).Elem())) - return p.readAny(fv.Index(fv.Len()-1), props) - case reflect.Bool: - // true/1/t/True or false/f/0/False. - switch tok.value { - case "true", "1", "t", "True": - fv.SetBool(true) - return nil - case "false", "0", "f", "False": - fv.SetBool(false) - return nil - } - case reflect.Float32, reflect.Float64: - v := tok.value - // Ignore 'f' for compatibility with output generated by C++, but don't - // remove 'f' when the value is "-inf" or "inf". - if strings.HasSuffix(v, "f") && tok.value != "-inf" && tok.value != "inf" { - v = v[:len(v)-1] - } - if f, err := strconv.ParseFloat(v, fv.Type().Bits()); err == nil { - fv.SetFloat(f) - return nil - } - case reflect.Int32: - if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil { - fv.SetInt(x) - return nil - } - - if len(props.Enum) == 0 { - break - } - m, ok := enumValueMaps[props.Enum] - if !ok { - break - } - x, ok := m[tok.value] - if !ok { - break - } - fv.SetInt(int64(x)) - return nil - case reflect.Int64: - if x, err := strconv.ParseInt(tok.value, 0, 64); err == nil { - fv.SetInt(x) - return nil - } - - case reflect.Ptr: - // A basic field (indirected through pointer), or a repeated message/group - p.back() - fv.Set(reflect.New(fv.Type().Elem())) - return p.readAny(fv.Elem(), props) - case reflect.String: - if tok.value[0] == '"' || tok.value[0] == '\'' { - fv.SetString(tok.unquoted) - return nil - } - case reflect.Struct: - var terminator string - switch tok.value { - case "{": - terminator = "}" - case "<": - terminator = ">" - default: - return p.errorf("expected '{' or '<', found %q", tok.value) - } - // TODO: Handle nested messages which implement encoding.TextUnmarshaler. - return p.readStruct(fv, terminator) - case reflect.Uint32: - if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil { - fv.SetUint(uint64(x)) - return nil - } - case reflect.Uint64: - if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil { - fv.SetUint(x) - return nil - } - } - return p.errorf("invalid %v: %v", v.Type(), tok.value) -} - -// UnmarshalText reads a protocol buffer in Text format. UnmarshalText resets pb -// before starting to unmarshal, so any existing data in pb is always removed. -// If a required field is not set and no other error occurs, -// UnmarshalText returns *RequiredNotSetError. -func UnmarshalText(s string, pb Message) error { - if um, ok := pb.(encoding.TextUnmarshaler); ok { - return um.UnmarshalText([]byte(s)) - } - pb.Reset() - v := reflect.ValueOf(pb) - return newTextParser(s).readStruct(v.Elem(), "") -} |