diff options
Diffstat (limited to 'vendor/github.com/golang/protobuf/descriptor/descriptor.go')
| -rw-r--r-- | vendor/github.com/golang/protobuf/descriptor/descriptor.go | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/vendor/github.com/golang/protobuf/descriptor/descriptor.go b/vendor/github.com/golang/protobuf/descriptor/descriptor.go deleted file mode 100644 index ac7e51bfb..000000000 --- a/vendor/github.com/golang/protobuf/descriptor/descriptor.go +++ /dev/null @@ -1,93 +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 descriptor provides functions for obtaining protocol buffer -// descriptors for generated Go types. -// -// These functions cannot go in package proto because they depend on the -// generated protobuf descriptor messages, which themselves depend on proto. -package descriptor - -import ( - "bytes" - "compress/gzip" - "fmt" - "io/ioutil" - - "github.com/golang/protobuf/proto" - protobuf "github.com/golang/protobuf/protoc-gen-go/descriptor" -) - -// extractFile extracts a FileDescriptorProto from a gzip'd buffer. -func extractFile(gz []byte) (*protobuf.FileDescriptorProto, error) { - r, err := gzip.NewReader(bytes.NewReader(gz)) - if err != nil { - return nil, fmt.Errorf("failed to open gzip reader: %v", err) - } - defer r.Close() - - b, err := ioutil.ReadAll(r) - if err != nil { - return nil, fmt.Errorf("failed to uncompress descriptor: %v", err) - } - - fd := new(protobuf.FileDescriptorProto) - if err := proto.Unmarshal(b, fd); err != nil { - return nil, fmt.Errorf("malformed FileDescriptorProto: %v", err) - } - - return fd, nil -} - -// Message is a proto.Message with a method to return its descriptor. -// -// Message types generated by the protocol compiler always satisfy -// the Message interface. -type Message interface { - proto.Message - Descriptor() ([]byte, []int) -} - -// ForMessage returns a FileDescriptorProto and a DescriptorProto from within it -// describing the given message. -func ForMessage(msg Message) (fd *protobuf.FileDescriptorProto, md *protobuf.DescriptorProto) { - gz, path := msg.Descriptor() - fd, err := extractFile(gz) - if err != nil { - panic(fmt.Sprintf("invalid FileDescriptorProto for %T: %v", msg, err)) - } - - md = fd.MessageType[path[0]] - for _, i := range path[1:] { - md = md.NestedType[i] - } - return fd, md -} |