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Diffstat (limited to 'vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go')
-rw-r--r--vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go75
1 files changed, 0 insertions, 75 deletions
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go b/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go
deleted file mode 100644
index 258c063..0000000
--- a/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright 2013 Matt T. Proud
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package pbutil
-
-import (
- "encoding/binary"
- "errors"
- "io"
-
- "github.com/golang/protobuf/proto"
-)
-
-var errInvalidVarint = errors.New("invalid varint32 encountered")
-
-// ReadDelimited decodes a message from the provided length-delimited stream,
-// where the length is encoded as 32-bit varint prefix to the message body.
-// It returns the total number of bytes read and any applicable error. This is
-// roughly equivalent to the companion Java API's
-// MessageLite#parseDelimitedFrom. As per the reader contract, this function
-// calls r.Read repeatedly as required until exactly one message including its
-// prefix is read and decoded (or an error has occurred). The function never
-// reads more bytes from the stream than required. The function never returns
-// an error if a message has been read and decoded correctly, even if the end
-// of the stream has been reached in doing so. In that case, any subsequent
-// calls return (0, io.EOF).
-func ReadDelimited(r io.Reader, m proto.Message) (n int, err error) {
- // Per AbstractParser#parsePartialDelimitedFrom with
- // CodedInputStream#readRawVarint32.
- var headerBuf [binary.MaxVarintLen32]byte
- var bytesRead, varIntBytes int
- var messageLength uint64
- for varIntBytes == 0 { // i.e. no varint has been decoded yet.
- if bytesRead >= len(headerBuf) {
- return bytesRead, errInvalidVarint
- }
- // We have to read byte by byte here to avoid reading more bytes
- // than required. Each read byte is appended to what we have
- // read before.
- newBytesRead, err := r.Read(headerBuf[bytesRead : bytesRead+1])
- if newBytesRead == 0 {
- if err != nil {
- return bytesRead, err
- }
- // A Reader should not return (0, nil), but if it does,
- // it should be treated as no-op (according to the
- // Reader contract). So let's go on...
- continue
- }
- bytesRead += newBytesRead
- // Now present everything read so far to the varint decoder and
- // see if a varint can be decoded already.
- messageLength, varIntBytes = proto.DecodeVarint(headerBuf[:bytesRead])
- }
-
- messageBuf := make([]byte, messageLength)
- newBytesRead, err := io.ReadFull(r, messageBuf)
- bytesRead += newBytesRead
- if err != nil {
- return bytesRead, err
- }
-
- return bytesRead, proto.Unmarshal(messageBuf, m)
-}