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Diffstat (limited to 'vendor/github.com/golang/protobuf/proto/message_set.go')
-rw-r--r--vendor/github.com/golang/protobuf/proto/message_set.go314
1 files changed, 0 insertions, 314 deletions
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,
- }
-}