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bump(code.google.com/p/goprotobuf): d54cbe4bdc25

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This commit is contained in:
Brandon Philips 2013-08-06 10:50:14 -07:00
parent 46bce9cc49
commit 6b3bbc1dd5
62 changed files with 18897 additions and 0 deletions
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syntax:glob
.DS_Store
.git
.gitignore
*.[568ao]
*.pb.go
*.ao
*.so
*.pyc
._*
.nfs.*
[568a].out
*~
*.orig
core
_obj
_test
_testmain.go
compiler/protoc-gen-go
compiler/testdata/extension_test

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f0f9983b6de6764a416f90d31440f01b54233228 go.r60

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# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at http://tip.golang.org/AUTHORS.

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# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at http://tip.golang.org/CONTRIBUTORS.

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Go support for Protocol Buffers - Google's data interchange format
Copyright 2010 The Go Authors. All rights reserved.
http://code.google.com/p/goprotobuf/
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.

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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
# Includable Makefile to add a rule for generating .pb.go files from .proto files
# (Google protocol buffer descriptions).
# Typical use if myproto.proto is a file in package mypackage in this directory:
#
# include $(GOROOT)/src/pkg/code.google.com/p/goprotobuf/Make.protobuf
%.pb.go: %.proto
protoc --go_out=. $<

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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
all: install
install:
go install ./proto
go install ./protoc-gen-go
test:
go test ./proto
make -C protoc-gen-go/testdata test
clean:
go clean ./...
nuke:
go clean -i ./...
regenerate:
make -C protoc-gen-go/descriptor regenerate
make -C protoc-gen-go/plugin regenerate
make -C proto/testdata regenerate

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Go support for Protocol Buffers - Google's data interchange format
Copyright 2010 The Go Authors.
http://code.google.com/p/goprotobuf/
This software implements Go bindings for protocol buffers. For
information about protocol buffers themselves, see
http://code.google.com/apis/protocolbuffers/
To use this software, you must first install the standard C++
implementation of protocol buffers from
http://code.google.com/p/protobuf/
And of course you must also install the Go compiler and tools from
http://code.google.com/p/go/
See
http://golang.org/doc/install.html
for details or, if you are using gccgo, follow the instructions at
http://golang.org/doc/gccgo_install.html
This software has two parts: a 'protocol compiler plugin' that
generates Go source files that, once compiled, can access and manage
protocol buffers; and a library that implements run-time support for
encoding (marshaling), decoding (unmarshaling), and accessing protocol
buffers.
There is no support for RPC in Go using protocol buffers. It may come
once a standard RPC protocol develops for protobufs.
There are no insertion points in the plugin.
To install this code:
The simplest way is to run go get.
# Grab the code from the repository and install the proto package.
go get -u code.google.com/p/goprotobuf/{proto,protoc-gen-go}
The compiler plugin, protoc-gen-go, will be installed in $GOBIN,
defaulting to $GOPATH/bin. It must be in your $PATH for the protocol
compiler, protoc, to find it.
Once the software is installed, there are two steps to using it.
First you must compile the protocol buffer definitions and then import
them, with the support library, into your program.
To compile the protocol buffer definition, run protoc with the --go_out
parameter set to the directory you want to output the Go code to.
protoc --go_out=. *.proto
The generated files will be suffixed .pb.go. See the Test code below
for an example using such a file.
This repository uses the same code review mechanism as Go, so
if you wish to submit changes add the equivalent of these two lines
to $GOROOT/src/pkg/code.google.com/p/goprotobuf/.hg/hgrc
[extensions]
codereview = $GOROOT/lib/codereview/codereview.py
*where $GOROOT is the expanded text, such as /usr/foo/go*.
The package comment for the proto library contains text describing
the interface provided in Go for protocol buffers. Here is an edited
version.
==========
The proto package 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.
Helpers for getting values are superseded by the
GetFoo methods and their use is deprecated.
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 with the enum's type name. Enum types have
a String method, and a Enum method to assist in message construction.
- Nested 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.
- Marshal and Unmarshal are functions to encode and decode the wire format.
Consider 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;
}
}
To build a package from test.proto and some other Go files, write a
Makefile like this:
include $(GOROOT)/src/Make.$(GOARCH)
TARG=path/to/example
GOFILES=\
test.pb.go\
other.go
include $(GOROOT)/src/Make.pkg
include $(GOROOT)/src/pkg/code.google.com/p/goprotobuf/Make.protobuf
To create and play with a Test object from the example package,
package main
import (
"log"
"code.google.com/p/goprotobuf/proto"
"path/to/example"
)
func main() {
test := &example.Test {
Label: proto.String("hello"),
Type: proto.Int32(17),
Optionalgroup: &example.Test_OptionalGroup {
RequiredField: proto.String("good bye"),
},
}
data, err := proto.Marshal(test)
if err != nil {
log.Fatal("marshaling error: ", err)
}
newTest := &example.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())
}
// etc.
}

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defaultcc: golang-dev@googlegroups.com
contributors: http://go.googlecode.com/hg/CONTRIBUTORS

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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
install:
go install
test: install generate-test-pbs
go test
generate-test-pbs:
make install && cd testdata && make

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2011 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
// TODO: MessageSet and RawMessage.
package proto
import (
"log"
"reflect"
"strings"
)
// Clone returns a deep copy of a protocol buffer.
func Clone(pb Message) Message {
in := reflect.ValueOf(pb)
if in.IsNil() {
return pb
}
out := reflect.New(in.Type().Elem())
// out is empty so a merge is a deep copy.
mergeStruct(out.Elem(), in.Elem())
return out.Interface().(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) {
in := reflect.ValueOf(src)
out := reflect.ValueOf(dst)
if out.IsNil() {
panic("proto: nil destination")
}
if in.Type() != out.Type() {
// Explicit test prior to mergeStruct so that mistyped nils will fail
panic("proto: type mismatch")
}
if in.IsNil() {
// Merging nil into non-nil is a quiet no-op
return
}
mergeStruct(out.Elem(), in.Elem())
}
func mergeStruct(out, in reflect.Value) {
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))
}
if emIn, ok := in.Addr().Interface().(extendableProto); ok {
emOut := out.Addr().Interface().(extendableProto)
mergeExtension(emOut.ExtensionMap(), emIn.ExtensionMap())
}
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...))
}
}
func mergeAny(out, in reflect.Value) {
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:
out.Set(in)
case reflect.Ptr:
if in.IsNil() {
return
}
if out.IsNil() {
out.Set(reflect.New(in.Elem().Type()))
}
mergeAny(out.Elem(), in.Elem())
case reflect.Slice:
if in.IsNil() {
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, reflect.Uint8:
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))
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))
eOut.value = v.Interface()
}
if eIn.enc != nil {
eOut.enc = make([]byte, len(eIn.enc))
copy(eOut.enc, eIn.enc)
}
out[extNum] = eOut
}
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2011 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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_test
import (
"testing"
"code.google.com/p/goprotobuf/proto"
pb "./testdata"
)
var cloneTestMessage = &pb.MyMessage{
Count: proto.Int32(42),
Name: proto.String("Dave"),
Pet: []string{"bunny", "kitty", "horsey"},
Inner: &pb.InnerMessage{
Host: proto.String("niles"),
Port: proto.Int32(9099),
Connected: proto.Bool(true),
},
Others: []*pb.OtherMessage{
{
Value: []byte("some bytes"),
},
},
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: proto.Int32(6),
},
RepBytes: [][]byte{[]byte("sham"), []byte("wow")},
}
func init() {
ext := &pb.Ext{
Data: proto.String("extension"),
}
if err := proto.SetExtension(cloneTestMessage, pb.E_Ext_More, ext); err != nil {
panic("SetExtension: " + err.Error())
}
}
func TestClone(t *testing.T) {
m := proto.Clone(cloneTestMessage).(*pb.MyMessage)
if !proto.Equal(m, cloneTestMessage) {
t.Errorf("Clone(%v) = %v", cloneTestMessage, m)
}
// Verify it was a deep copy.
*m.Inner.Port++
if proto.Equal(m, cloneTestMessage) {
t.Error("Mutating clone changed the original")
}
}
func TestCloneNil(t *testing.T) {
var m *pb.MyMessage
if c := proto.Clone(m); !proto.Equal(m, c) {
t.Errorf("Clone(%v) = %v", m, c)
}
}
var mergeTests = []struct {
src, dst, want proto.Message
}{
{
src: &pb.MyMessage{
Count: proto.Int32(42),
},
dst: &pb.MyMessage{
Name: proto.String("Dave"),
},
want: &pb.MyMessage{
Count: proto.Int32(42),
Name: proto.String("Dave"),
},
},
{
src: &pb.MyMessage{
Inner: &pb.InnerMessage{
Host: proto.String("hey"),
Connected: proto.Bool(true),
},
Pet: []string{"horsey"},
Others: []*pb.OtherMessage{
{
Value: []byte("some bytes"),
},
},
},
dst: &pb.MyMessage{
Inner: &pb.InnerMessage{
Host: proto.String("niles"),
Port: proto.Int32(9099),
},
Pet: []string{"bunny", "kitty"},
Others: []*pb.OtherMessage{
{
Key: proto.Int64(31415926535),
},
{
// Explicitly test a src=nil field
Inner: nil,
},
},
},
want: &pb.MyMessage{
Inner: &pb.InnerMessage{
Host: proto.String("hey"),
Connected: proto.Bool(true),
Port: proto.Int32(9099),
},
Pet: []string{"bunny", "kitty", "horsey"},
Others: []*pb.OtherMessage{
{
Key: proto.Int64(31415926535),
},
{},
{
Value: []byte("some bytes"),
},
},
},
},
{
src: &pb.MyMessage{
RepBytes: [][]byte{[]byte("wow")},
},
dst: &pb.MyMessage{
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: proto.Int32(6),
},
RepBytes: [][]byte{[]byte("sham")},
},
want: &pb.MyMessage{
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: proto.Int32(6),
},
RepBytes: [][]byte{[]byte("sham"), []byte("wow")},
},
},
}
func TestMerge(t *testing.T) {
for _, m := range mergeTests {
got := proto.Clone(m.dst)
proto.Merge(got, m.src)
if !proto.Equal(got, m.want) {
t.Errorf("Merge(%v, %v)\n got %v\nwant %v\n", m.dst, m.src, got, m.want)
}
}
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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"
"os"
"reflect"
)
// ErrWrongType occurs when the wire encoding for the field disagrees with
// that specified in the type being decoded. This is usually caused by attempting
// to convert an encoded protocol buffer into a struct of the wrong type.
var ErrWrongType = errors.New("field/encoding mismatch: wrong type for field")
// errOverflow is returned when an integer is too large to be represented.
var errOverflow = errors.New("proto: integer overflow")
// The fundamental decoders that interpret bytes on the wire.
// Those that take integer types all return uint64 and are
// therefore of type valueDecoder.
// 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) {
// x, n already 0
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
}
// 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) {
// x, err already 0
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
}
// 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
}
// These are not ValueDecoders: they produce an array of bytes or a string.
// bytes, embedded messages
// 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
}
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
}
// Skip the next item in the buffer. Its wire type is decoded and presented as an argument.
// If the protocol buffer has extensions, and the field matches, add it as an extension.
// Otherwise, if the XXX_unrecognized field exists, append the skipped data there.
func (o *Buffer) skipAndSave(t reflect.Type, tag, wire int, base structPointer, unrecField field) error {
oi := o.index
err := o.skip(t, tag, wire)
if err != nil {
return err
}
if !unrecField.IsValid() {
return nil
}
ptr := structPointer_Bytes(base, unrecField)
if *ptr == nil {
// This is the first skipped element,
// allocate a new buffer.
*ptr = o.bufalloc()
}
// Add the skipped field to struct field
obuf := o.buf
o.buf = *ptr
o.EncodeVarint(uint64(tag<<3 | wire))
*ptr = append(o.buf, obuf[oi:o.index]...)
o.buf = obuf
return nil
}
// Skip the next item in the buffer. Its wire type is decoded and presented as an argument.
func (o *Buffer) skip(t reflect.Type, tag, wire int) error {
var u uint64
var err error
switch wire {
case WireVarint:
_, err = o.DecodeVarint()
case WireFixed64:
_, err = o.DecodeFixed64()
case WireBytes:
_, err = o.DecodeRawBytes(false)
case WireFixed32:
_, err = o.DecodeFixed32()
case WireStartGroup:
for {
u, err = o.DecodeVarint()
if err != nil {
break
}
fwire := int(u & 0x7)
if fwire == WireEndGroup {
break
}
ftag := int(u >> 3)
err = o.skip(t, ftag, fwire)
if err != nil {
break
}
}
default:
err = fmt.Errorf("proto: can't skip unknown wire type %d for %s", wire, t)
}
return err
}
// Unmarshaler is the interface representing objects that can
// unmarshal themselves. The method should reset the receiver before
// decoding starts. The argument points to data that may be
// overwritten, so implementations should not keep references to the
// buffer.
type Unmarshaler interface {
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()
return UnmarshalMerge(buf, 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 the object can unmarshal itself, let it.
if u, ok := pb.(Unmarshaler); ok {
return u.Unmarshal(buf)
}
return NewBuffer(buf).Unmarshal(pb)
}
// 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.
func (p *Buffer) Unmarshal(pb Message) error {
// If the object can unmarshal itself, let it.
if u, ok := pb.(Unmarshaler); ok {
err := u.Unmarshal(p.buf[p.index:])
p.index = len(p.buf)
return err
}
typ, base, err := getbase(pb)
if err != nil {
return err
}
err = p.unmarshalType(typ.Elem(), GetProperties(typ.Elem()), false, base)
if collectStats {
stats.Decode++
}
return err
}
// unmarshalType does the work of unmarshaling a structure.
func (o *Buffer) unmarshalType(st reflect.Type, prop *StructProperties, is_group bool, base structPointer) error {
required, reqFields := prop.reqCount, uint64(0)
var err error
for err == nil && o.index < len(o.buf) {
oi := o.index
var u uint64
u, err = o.DecodeVarint()
if err != nil {
break
}
wire := int(u & 0x7)
if wire == WireEndGroup {
if is_group {
return nil // input is satisfied
}
return ErrWrongType
}
tag := int(u >> 3)
if tag <= 0 {
return fmt.Errorf("proto: illegal tag %d", tag)
}
fieldnum, ok := prop.decoderTags.get(tag)
if !ok {
// Maybe it's an extension?
if prop.extendable {
if e := structPointer_Interface(base, st).(extendableProto); isExtensionField(e, int32(tag)) {
if err = o.skip(st, tag, wire); err == nil {
ext := e.ExtensionMap()[int32(tag)] // may be missing
ext.enc = append(ext.enc, o.buf[oi:o.index]...)
e.ExtensionMap()[int32(tag)] = ext
}
continue
}
}
err = o.skipAndSave(st, tag, wire, base, prop.unrecField)
continue
}
p := prop.Prop[fieldnum]
if p.dec == nil {
fmt.Fprintf(os.Stderr, "proto: no protobuf decoder for %s.%s\n", st, st.Field(fieldnum).Name)
continue
}
dec := p.dec
if wire != WireStartGroup && wire != p.WireType {
if wire == WireBytes && p.packedDec != nil {
// a packable field
dec = p.packedDec
} else {
err = ErrWrongType
continue
}
}
err = dec(o, p, base)
if err == nil && p.Required {
// Successfully decoded a required field.
if tag <= 64 {
// use bitmap for fields 1-64 to catch field reuse.
var mask uint64 = 1 << uint64(tag-1)
if reqFields&mask == 0 {
// new required field
reqFields |= mask
required--
}
} else {
// This is imprecise. It can be fooled by a required field
// with a tag > 64 that is encoded twice; that's very rare.
// A fully correct implementation would require allocating
// a data structure, which we would like to avoid.
required--
}
}
}
if err == nil {
if is_group {
return io.ErrUnexpectedEOF
}
if required > 0 {
return &ErrRequiredNotSet{st}
}
}
return err
}
// Individual type decoders
// For each,
// u is the decoded value,
// v is a pointer to the field (pointer) in the struct
// Sizes of the pools to allocate inside the Buffer.
// The goal is modest amortization and allocation
// on at least 16-byte boundaries.
const (
boolPoolSize = 16
uint32PoolSize = 8
uint64PoolSize = 4
)
// Decode a bool.
func (o *Buffer) dec_bool(p *Properties, base structPointer) error {
u, err := p.valDec(o)
if err != nil {
return err
}
if len(o.bools) == 0 {
o.bools = make([]bool, boolPoolSize)
}
o.bools[0] = u != 0
*structPointer_Bool(base, p.field) = &o.bools[0]
o.bools = o.bools[1:]
return nil
}
// Decode an int32.
func (o *Buffer) dec_int32(p *Properties, base structPointer) error {
u, err := p.valDec(o)
if err != nil {
return err
}
word32_Set(structPointer_Word32(base, p.field), o, uint32(u))
return nil
}
// Decode an int64.
func (o *Buffer) dec_int64(p *Properties, base structPointer) error {
u, err := p.valDec(o)
if err != nil {
return err
}
word64_Set(structPointer_Word64(base, p.field), o, u)
return nil
}
// Decode a string.
func (o *Buffer) dec_string(p *Properties, base structPointer) error {
s, err := o.DecodeStringBytes()
if err != nil {
return err
}
sp := new(string)
*sp = s
*structPointer_String(base, p.field) = sp
return nil
}
// Decode a slice of bytes ([]byte).
func (o *Buffer) dec_slice_byte(p *Properties, base structPointer) error {
b, err := o.DecodeRawBytes(true)
if err != nil {
return err
}
*structPointer_Bytes(base, p.field) = b
return nil
}
// Decode a slice of bools ([]bool).
func (o *Buffer) dec_slice_bool(p *Properties, base structPointer) error {
u, err := p.valDec(o)
if err != nil {
return err
}
v := structPointer_BoolSlice(base, p.field)
*v = append(*v, u != 0)
return nil
}
// Decode a slice of bools ([]bool) in packed format.
func (o *Buffer) dec_slice_packed_bool(p *Properties, base structPointer) error {
v := structPointer_BoolSlice(base, p.field)
nn, err := o.DecodeVarint()
if err != nil {
return err
}
nb := int(nn) // number of bytes of encoded bools
y := *v
for i := 0; i < nb; i++ {
u, err := p.valDec(o)
if err != nil {
return err
}
y = append(y, u != 0)
}
*v = y
return nil
}
// Decode a slice of int32s ([]int32).
func (o *Buffer) dec_slice_int32(p *Properties, base structPointer) error {
u, err := p.valDec(o)
if err != nil {
return err
}
structPointer_Word32Slice(base, p.field).Append(uint32(u))
return nil
}
// Decode a slice of int32s ([]int32) in packed format.
func (o *Buffer) dec_slice_packed_int32(p *Properties, base structPointer) error {
v := structPointer_Word32Slice(base, p.field)
nn, err := o.DecodeVarint()
if err != nil {
return err
}
nb := int(nn) // number of bytes of encoded int32s
fin := o.index + nb
if fin < o.index {
return errOverflow
}
for o.index < fin {
u, err := p.valDec(o)
if err != nil {
return err
}
v.Append(uint32(u))
}
return nil
}
// Decode a slice of int64s ([]int64).
func (o *Buffer) dec_slice_int64(p *Properties, base structPointer) error {
u, err := p.valDec(o)
if err != nil {
return err
}
structPointer_Word64Slice(base, p.field).Append(u)
return nil
}
// Decode a slice of int64s ([]int64) in packed format.
func (o *Buffer) dec_slice_packed_int64(p *Properties, base structPointer) error {
v := structPointer_Word64Slice(base, p.field)
nn, err := o.DecodeVarint()
if err != nil {
return err
}
nb := int(nn) // number of bytes of encoded int64s
fin := o.index + nb
if fin < o.index {
return errOverflow
}
for o.index < fin {
u, err := p.valDec(o)
if err != nil {
return err
}
v.Append(u)
}
return nil
}
// Decode a slice of strings ([]string).
func (o *Buffer) dec_slice_string(p *Properties, base structPointer) error {
s, err := o.DecodeStringBytes()
if err != nil {
return err
}
v := structPointer_StringSlice(base, p.field)
*v = append(*v, s)
return nil
}
// Decode a slice of slice of bytes ([][]byte).
func (o *Buffer) dec_slice_slice_byte(p *Properties, base structPointer) error {
b, err := o.DecodeRawBytes(true)
if err != nil {
return err
}
v := structPointer_BytesSlice(base, p.field)
*v = append(*v, b)
return nil
}
// Decode a group.
func (o *Buffer) dec_struct_group(p *Properties, base structPointer) error {
bas := structPointer_GetStructPointer(base, p.field)
if structPointer_IsNil(bas) {
// allocate new nested message
bas = toStructPointer(reflect.New(p.stype))
structPointer_SetStructPointer(base, p.field, bas)
}
return o.unmarshalType(p.stype, p.sprop, true, bas)
}
// Decode an embedded message.
func (o *Buffer) dec_struct_message(p *Properties, base structPointer) (err error) {
raw, e := o.DecodeRawBytes(false)
if e != nil {
return e
}
bas := structPointer_GetStructPointer(base, p.field)
if structPointer_IsNil(bas) {
// allocate new nested message
bas = toStructPointer(reflect.New(p.stype))
structPointer_SetStructPointer(base, p.field, bas)
}
// If the object can unmarshal itself, let it.
if p.isUnmarshaler {
iv := structPointer_Interface(bas, p.stype)
return iv.(Unmarshaler).Unmarshal(raw)
}
obuf := o.buf
oi := o.index
o.buf = raw
o.index = 0
err = o.unmarshalType(p.stype, p.sprop, false, bas)
o.buf = obuf
o.index = oi
return err
}
// Decode a slice of embedded messages.
func (o *Buffer) dec_slice_struct_message(p *Properties, base structPointer) error {
return o.dec_slice_struct(p, false, base)
}
// Decode a slice of embedded groups.
func (o *Buffer) dec_slice_struct_group(p *Properties, base structPointer) error {
return o.dec_slice_struct(p, true, base)
}
// Decode a slice of structs ([]*struct).
func (o *Buffer) dec_slice_struct(p *Properties, is_group bool, base structPointer) error {
v := reflect.New(p.stype)
bas := toStructPointer(v)
structPointer_StructPointerSlice(base, p.field).Append(bas)
if is_group {
err := o.unmarshalType(p.stype, p.sprop, is_group, bas)
return err
}
raw, err := o.DecodeRawBytes(false)
if err != nil {
return err
}
// If the object can unmarshal itself, let it.
if p.isUnmarshaler {
iv := v.Interface()
return iv.(Unmarshaler).Unmarshal(raw)
}
obuf := o.buf
oi := o.index
o.buf = raw
o.index = 0
err = o.unmarshalType(p.stype, p.sprop, is_group, bas)
o.buf = obuf
o.index = oi
return err
}

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@ -0,0 +1,603 @@
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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"
"sort"
)
// ErrRequiredNotSet is the error returned if Marshal is called with
// a protocol buffer struct whose required fields have not
// all been initialized. It is also the error returned if Unmarshal is
// called with an encoded protocol buffer that does not include all the
// required fields.
type ErrRequiredNotSet struct {
t reflect.Type
}
func (e *ErrRequiredNotSet) Error() string {
return "proto: required fields not set in " + e.t.String()
}
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")
// ErrNil is the error returned if Marshal is called with nil.
ErrNil = errors.New("proto: Marshal called with nil")
)
// 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
}
// 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)
}
// Marshal takes the protocol buffer
// and encodes it into the wire format, returning the data.
func Marshal(pb Message) ([]byte, error) {
// Can the object marshal itself?
if m, ok := pb.(Marshaler); ok {
return m.Marshal()
}
p := NewBuffer(nil)
err := p.Marshal(pb)
if err != nil {
return nil, err
}
return p.buf, err
}
// Marshal takes the protocol buffer
// and encodes it into the wire format, writing the result to the
// Buffer.
func (p *Buffer) Marshal(pb Message) error {
// Can the object marshal itself?
if m, ok := pb.(Marshaler); ok {
data, err := m.Marshal()
if err != nil {
return err
}
p.buf = append(p.buf, data...)
return nil
}
t, base, err := getbase(pb)
if structPointer_IsNil(base) {
return ErrNil
}
if err == nil {
err = p.enc_struct(t.Elem(), GetProperties(t.Elem()), base)
}
if collectStats {
stats.Encode++
}
return err
}
// Individual type encoders.
// Encode a bool.
func (o *Buffer) enc_bool(p *Properties, base structPointer) error {
v := *structPointer_Bool(base, p.field)
if v == nil {
return ErrNil
}
x := 0
if *v {
x = 1
}
o.buf = append(o.buf, p.tagcode...)
p.valEnc(o, uint64(x))
return nil
}
// Encode an int32.
func (o *Buffer) enc_int32(p *Properties, base structPointer) error {
v := structPointer_Word32(base, p.field)
if word32_IsNil(v) {
return ErrNil
}
x := word32_Get(v)
o.buf = append(o.buf, p.tagcode...)
p.valEnc(o, uint64(x))
return nil
}
// Encode an int64.
func (o *Buffer) enc_int64(p *Properties, base structPointer) error {
v := structPointer_Word64(base, p.field)
if word64_IsNil(v) {
return ErrNil
}
x := word64_Get(v)
o.buf = append(o.buf, p.tagcode...)
p.valEnc(o, x)
return nil
}
// Encode a string.
func (o *Buffer) enc_string(p *Properties, base structPointer) error {
v := *structPointer_String(base, p.field)
if v == nil {
return ErrNil
}
x := *v
o.buf = append(o.buf, p.tagcode...)
o.EncodeStringBytes(x)
return nil
}
// 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
}
// Encode a message struct.
func (o *Buffer) enc_struct_message(p *Properties, base structPointer) error {
structp := structPointer_GetStructPointer(base, p.field)
if structPointer_IsNil(structp) {
return ErrNil
}
// Can the object marshal itself?
if p.isMarshaler {
m := structPointer_Interface(structp, p.stype).(Marshaler)
data, err := m.Marshal()
if err != nil {
return err
}
o.buf = append(o.buf, p.tagcode...)
o.EncodeRawBytes(data)
return nil
}
// need the length before we can write out the message itself,
// so marshal into a separate byte buffer first.
obuf := o.buf
o.buf = o.bufalloc()
err := o.enc_struct(p.stype, p.sprop, structp)
nbuf := o.buf
o.buf = obuf
if err != nil {
o.buffree(nbuf)
return err
}
o.buf = append(o.buf, p.tagcode...)
o.EncodeRawBytes(nbuf)
o.buffree(nbuf)
return nil
}
// Encode a group struct.
func (o *Buffer) enc_struct_group(p *Properties, base structPointer) error {
b := structPointer_GetStructPointer(base, p.field)
if structPointer_IsNil(b) {
return ErrNil
}
o.EncodeVarint(uint64((p.Tag << 3) | WireStartGroup))
err := o.enc_struct(p.stype, p.sprop, b)
if err != nil {
return err
}
o.EncodeVarint(uint64((p.Tag << 3) | WireEndGroup))
return nil
}
// Encode a slice of bools ([]bool).
func (o *Buffer) enc_slice_bool(p *Properties, base structPointer) error {
s := *structPointer_BoolSlice(base, p.field)
l := len(s)
if l == 0 {
return ErrNil
}
for _, x := range s {
o.buf = append(o.buf, p.tagcode...)
v := uint64(0)
if x {
v = 1
}
p.valEnc(o, v)
}
return nil
}
// Encode a slice of bools ([]bool) in packed format.
func (o *Buffer) enc_slice_packed_bool(p *Properties, base structPointer) error {
s := *structPointer_BoolSlice(base, p.field)
l := len(s)
if l == 0 {
return ErrNil
}
o.buf = append(o.buf, p.tagcode...)
o.EncodeVarint(uint64(l)) // each bool takes exactly one byte
for _, x := range s {
v := uint64(0)
if x {
v = 1
}
p.valEnc(o, v)
}
return nil
}
// Encode a slice of bytes ([]byte).
func (o *Buffer) enc_slice_byte(p *Properties, base structPointer) error {
s := *structPointer_Bytes(base, p.field)
if s == nil {
return ErrNil
}
o.buf = append(o.buf, p.tagcode...)
o.EncodeRawBytes(s)
return nil
}
// Encode a slice of int32s ([]int32).
func (o *Buffer) enc_slice_int32(p *Properties, base structPointer) error {
s := structPointer_Word32Slice(base, p.field)
l := s.Len()
if l == 0 {
return ErrNil
}
for i := 0; i < l; i++ {
o.buf = append(o.buf, p.tagcode...)
x := s.Index(i)
p.valEnc(o, uint64(x))
}
return nil
}
// Encode a slice of int32s ([]int32) in packed format.
func (o *Buffer) enc_slice_packed_int32(p *Properties, base structPointer) error {
s := structPointer_Word32Slice(base, p.field)
l := s.Len()
if l == 0 {
return ErrNil
}
// TODO: Reuse a Buffer.
buf := NewBuffer(nil)
for i := 0; i < l; i++ {
p.valEnc(buf, uint64(s.Index(i)))
}
o.buf = append(o.buf, p.tagcode...)
o.EncodeVarint(uint64(len(buf.buf)))
o.buf = append(o.buf, buf.buf...)
return nil
}
// Encode a slice of int64s ([]int64).
func (o *Buffer) enc_slice_int64(p *Properties, base structPointer) error {
s := structPointer_Word64Slice(base, p.field)
l := s.Len()
if l == 0 {
return ErrNil
}
for i := 0; i < l; i++ {
o.buf = append(o.buf, p.tagcode...)
p.valEnc(o, s.Index(i))
}
return nil
}
// Encode a slice of int64s ([]int64) in packed format.
func (o *Buffer) enc_slice_packed_int64(p *Properties, base structPointer) error {
s := structPointer_Word64Slice(base, p.field)
l := s.Len()
if l == 0 {
return ErrNil
}
// TODO: Reuse a Buffer.
buf := NewBuffer(nil)
for i := 0; i < l; i++ {
p.valEnc(buf, s.Index(i))
}
o.buf = append(o.buf, p.tagcode...)
o.EncodeVarint(uint64(len(buf.buf)))
o.buf = append(o.buf, buf.buf...)
return nil
}
// Encode a slice of slice of bytes ([][]byte).
func (o *Buffer) enc_slice_slice_byte(p *Properties, base structPointer) error {
ss := *structPointer_BytesSlice(base, p.field)
l := len(ss)
if l == 0 {
return ErrNil
}
for i := 0; i < l; i++ {
o.buf = append(o.buf, p.tagcode...)
s := ss[i]
o.EncodeRawBytes(s)
}
return nil
}
// Encode a slice of strings ([]string).
func (o *Buffer) enc_slice_string(p *Properties, base structPointer) error {
ss := *structPointer_StringSlice(base, p.field)
l := len(ss)
for i := 0; i < l; i++ {
o.buf = append(o.buf, p.tagcode...)
s := ss[i]
o.EncodeStringBytes(s)
}
return nil
}
// Encode a slice of message structs ([]*struct).
func (o *Buffer) enc_slice_struct_message(p *Properties, base structPointer) error {
s := structPointer_StructPointerSlice(base, p.field)
l := s.Len()
for i := 0; i < l; i++ {
structp := s.Index(i)
if structPointer_IsNil(structp) {
return ErrRepeatedHasNil
}
// Can the object marshal itself?
if p.isMarshaler {
m := structPointer_Interface(structp, p.stype).(Marshaler)
data, err := m.Marshal()
if err != nil {
return err
}
o.buf = append(o.buf, p.tagcode...)
o.EncodeRawBytes(data)
continue
}
obuf := o.buf
o.buf = o.bufalloc()
err := o.enc_struct(p.stype, p.sprop, structp)
nbuf := o.buf
o.buf = obuf
if err != nil {
o.buffree(nbuf)
if err == ErrNil {
return ErrRepeatedHasNil
}
return err
}
o.buf = append(o.buf, p.tagcode...)
o.EncodeRawBytes(nbuf)
o.buffree(nbuf)
}
return nil
}
// Encode a slice of group structs ([]*struct).
func (o *Buffer) enc_slice_struct_group(p *Properties, base structPointer) error {
s := structPointer_StructPointerSlice(base, p.field)
l := s.Len()
for i := 0; i < l; i++ {
b := s.Index(i)
if structPointer_IsNil(b) {
return ErrRepeatedHasNil
}
o.EncodeVarint(uint64((p.Tag << 3) | WireStartGroup))
err := o.enc_struct(p.stype, p.sprop, b)
if err != nil {
if err == ErrNil {
return ErrRepeatedHasNil
}
return err
}
o.EncodeVarint(uint64((p.Tag << 3) | WireEndGroup))
}
return nil
}
// Encode an extension map.
func (o *Buffer) enc_map(p *Properties, base structPointer) error {
v := *structPointer_ExtMap(base, p.field)
if err := encodeExtensionMap(v); err != nil {
return err
}
// Fast-path for common cases: zero or one extensions.
if len(v) <= 1 {
for _, e := range v {
o.buf = append(o.buf, e.enc...)
}
return nil
}
// Sort keys to provide a deterministic encoding.
keys := make([]int, 0, len(v))
for k := range v {
keys = append(keys, int(k))
}
sort.Ints(keys)
for _, k := range keys {
o.buf = append(o.buf, v[int32(k)].enc...)
}
return nil
}
// Encode a struct.
func (o *Buffer) enc_struct(t reflect.Type, prop *StructProperties, base structPointer) error {
required := prop.reqCount
// Encode fields in tag order so that decoders may use optimizations
// that depend on the ordering.
// http://code.google.com/apis/protocolbuffers/docs/encoding.html#order
for _, i := range prop.order {
p := prop.Prop[i]
if p.enc != nil {
err := p.enc(o, p, base)
if err != nil {
if err != ErrNil {
return err
}
} else if p.Required {
required--
}
}
}
// See if we encoded all required fields.
if required > 0 {
return &ErrRequiredNotSet{t}
}
// Add unrecognized fields at the end.
if prop.unrecField.IsValid() {
v := *structPointer_Bytes(base, prop.unrecField)
if len(v) > 0 {
o.buf = append(o.buf, v...)
}
}
return nil
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2011 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
// TODO: MessageSet.
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.
- Two repeated fields are equal iff their lengths are the same,
and their corresponding elements are equal (a "bytes" field,
although represented by []byte, is not a repeated field)
- Two unset fields are equal.
- Two unknown field sets are equal if their current
encoded state is equal. (TODO)
- Two extension sets are equal iff they have corresponding
elements that are pairwise 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 {
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
}
b1, ok := f1.Interface().(raw)
if ok {
b2 := f2.Interface().(raw)
// RawMessage
if !bytes.Equal(b1.Bytes(), b2.Bytes()) {
return false
}
continue
}
f1, f2 = f1.Elem(), f2.Elem()
}
if !equalAny(f1, f2) {
return false
}
}
if em1 := v1.FieldByName("XXX_extensions"); em1.IsValid() {
em2 := v2.FieldByName("XXX_extensions")
if !equalExtensions(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()
if !bytes.Equal(u1, u2) {
return false
}
return true
}
// v1 and v2 are known to have the same type.
func equalAny(v1, v2 reflect.Value) 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.Ptr:
return equalAny(v1.Elem(), v2.Elem())
case reflect.Slice:
if v1.Type().Elem().Kind() == reflect.Uint8 {
// short circuit: []byte
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)) {
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.
// em1 and em2 are extension maps.
func equalExtensions(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 are unencoded.
if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2)) {
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 {
log.Printf("proto: don't know how to compare extension %d of %v", extNum, base)
continue
}
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)) {
return false
}
}
return true
}

166
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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2011 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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_test
import (
"testing"
pb "./testdata"
. "code.google.com/p/goprotobuf/proto"
)
// Four identical base messages.
// The init function adds extensions to some of them.
var messageWithoutExtension = &pb.MyMessage{Count: Int32(7)}
var messageWithExtension1a = &pb.MyMessage{Count: Int32(7)}
var messageWithExtension1b = &pb.MyMessage{Count: Int32(7)}
var messageWithExtension2 = &pb.MyMessage{Count: Int32(7)}
// Two messages with non-message extensions.
var messageWithInt32Extension1 = &pb.MyMessage{Count: Int32(8)}
var messageWithInt32Extension2 = &pb.MyMessage{Count: Int32(8)}
func init() {
ext1 := &pb.Ext{Data: String("Kirk")}
ext2 := &pb.Ext{Data: String("Picard")}
// messageWithExtension1a has ext1, but never marshals it.
if err := SetExtension(messageWithExtension1a, pb.E_Ext_More, ext1); err != nil {
panic("SetExtension on 1a failed: " + err.Error())
}
// messageWithExtension1b is the unmarshaled form of messageWithExtension1a.
if err := SetExtension(messageWithExtension1b, pb.E_Ext_More, ext1); err != nil {
panic("SetExtension on 1b failed: " + err.Error())
}
buf, err := Marshal(messageWithExtension1b)
if err != nil {
panic("Marshal of 1b failed: " + err.Error())
}
messageWithExtension1b.Reset()
if err := Unmarshal(buf, messageWithExtension1b); err != nil {
panic("Unmarshal of 1b failed: " + err.Error())
}
// messageWithExtension2 has ext2.
if err := SetExtension(messageWithExtension2, pb.E_Ext_More, ext2); err != nil {
panic("SetExtension on 2 failed: " + err.Error())
}
if err := SetExtension(messageWithInt32Extension1, pb.E_Ext_Number, Int32(23)); err != nil {
panic("SetExtension on Int32-1 failed: " + err.Error())
}
if err := SetExtension(messageWithInt32Extension1, pb.E_Ext_Number, Int32(24)); err != nil {
panic("SetExtension on Int32-2 failed: " + err.Error())
}
}
var EqualTests = []struct {
desc string
a, b Message
exp bool
}{
{"different types", &pb.GoEnum{}, &pb.GoTestField{}, false},
{"equal empty", &pb.GoEnum{}, &pb.GoEnum{}, true},
{"nil vs nil", nil, nil, true},
{"typed nil vs typed nil", (*pb.GoEnum)(nil), (*pb.GoEnum)(nil), true},
{"typed nil vs empty", (*pb.GoEnum)(nil), &pb.GoEnum{}, false},
{"different typed nil", (*pb.GoEnum)(nil), (*pb.GoTestField)(nil), false},
{"one set field, one unset field", &pb.GoTestField{Label: String("foo")}, &pb.GoTestField{}, false},
{"one set field zero, one unset field", &pb.GoTest{Param: Int32(0)}, &pb.GoTest{}, false},
{"different set fields", &pb.GoTestField{Label: String("foo")}, &pb.GoTestField{Label: String("bar")}, false},
{"equal set", &pb.GoTestField{Label: String("foo")}, &pb.GoTestField{Label: String("foo")}, true},
{"repeated, one set", &pb.GoTest{F_Int32Repeated: []int32{2, 3}}, &pb.GoTest{}, false},
{"repeated, different length", &pb.GoTest{F_Int32Repeated: []int32{2, 3}}, &pb.GoTest{F_Int32Repeated: []int32{2}}, false},
{"repeated, different value", &pb.GoTest{F_Int32Repeated: []int32{2}}, &pb.GoTest{F_Int32Repeated: []int32{3}}, false},
{"repeated, equal", &pb.GoTest{F_Int32Repeated: []int32{2, 4}}, &pb.GoTest{F_Int32Repeated: []int32{2, 4}}, true},
{"repeated, nil equal nil", &pb.GoTest{F_Int32Repeated: nil}, &pb.GoTest{F_Int32Repeated: nil}, true},
{"repeated, nil equal empty", &pb.GoTest{F_Int32Repeated: nil}, &pb.GoTest{F_Int32Repeated: []int32{}}, true},
{"repeated, empty equal nil", &pb.GoTest{F_Int32Repeated: []int32{}}, &pb.GoTest{F_Int32Repeated: nil}, true},
{
"nested, different",
&pb.GoTest{RequiredField: &pb.GoTestField{Label: String("foo")}},
&pb.GoTest{RequiredField: &pb.GoTestField{Label: String("bar")}},
false,
},
{
"nested, equal",
&pb.GoTest{RequiredField: &pb.GoTestField{Label: String("wow")}},
&pb.GoTest{RequiredField: &pb.GoTestField{Label: String("wow")}},
true,
},
{"bytes", &pb.OtherMessage{Value: []byte("foo")}, &pb.OtherMessage{Value: []byte("foo")}, true},
{"bytes, empty", &pb.OtherMessage{Value: []byte{}}, &pb.OtherMessage{Value: []byte{}}, true},
{"bytes, empty vs nil", &pb.OtherMessage{Value: []byte{}}, &pb.OtherMessage{Value: nil}, false},
{
"repeated bytes",
&pb.MyMessage{RepBytes: [][]byte{[]byte("sham"), []byte("wow")}},
&pb.MyMessage{RepBytes: [][]byte{[]byte("sham"), []byte("wow")}},
true,
},
{"extension vs. no extension", messageWithoutExtension, messageWithExtension1a, false},
{"extension vs. same extension", messageWithExtension1a, messageWithExtension1b, true},
{"extension vs. different extension", messageWithExtension1a, messageWithExtension2, false},
{"int32 extension vs. itself", messageWithInt32Extension1, messageWithInt32Extension1, true},
{"int32 extension vs. a different int32", messageWithInt32Extension1, messageWithInt32Extension2, false},
{
"message with group",
&pb.MyMessage{
Count: Int32(1),
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: Int32(5),
},
},
&pb.MyMessage{
Count: Int32(1),
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: Int32(5),
},
},
true,
},
}
func TestEqual(t *testing.T) {
for _, tc := range EqualTests {
if res := Equal(tc.a, tc.b); res != tc.exp {
t.Errorf("%v: Equal(%v, %v) = %v, want %v", tc.desc, tc.a, tc.b, res, tc.exp)
}
}
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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"
"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 that may be extended.
type extendableProto interface {
Message
ExtensionRangeArray() []ExtensionRange
ExtensionMap() map[int32]Extension
}
var extendableProtoType = reflect.TypeOf((*extendableProto)(nil)).Elem()
// 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
}
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 extendableProto, id int32, b []byte) {
base.ExtensionMap()[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 {
// Check the extended type.
if a, b := reflect.TypeOf(pb), reflect.TypeOf(extension.ExtendedType); a != b {
return errors.New("bad extended type; " + b.String() + " does not extend " + a.String())
}
// Check the range.
if !isExtensionField(pb, extension.Field) {
return errors.New("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
}
// encodeExtensionMap encodes any unmarshaled (unencoded) extensions in m.
func encodeExtensionMap(m map[int32]Extension) error {
for k, e := range m {
if e.value == nil || e.desc == nil {
// Extension is only in its encoded form.
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.
et := reflect.TypeOf(e.desc.ExtensionType)
props := extensionProperties(e.desc)
p := NewBuffer(nil)
// If e.value has type T, the encoder expects a *struct{ X T }.
// Pass a *T with a zero field and hope it all works out.
x := reflect.New(et)
x.Elem().Set(reflect.ValueOf(e.value))
if err := props.enc(p, props, toStructPointer(x)); err != nil {
return err
}
e.enc = p.buf
m[k] = e
}
return nil
}
// HasExtension returns whether the given extension is present in pb.
func HasExtension(pb extendableProto, extension *ExtensionDesc) bool {
// TODO: Check types, field numbers, etc.?
_, ok := pb.ExtensionMap()[extension.Field]
return ok
}
// ClearExtension removes the given extension from pb.
func ClearExtension(pb extendableProto, extension *ExtensionDesc) {
// TODO: Check types, field numbers, etc.?
delete(pb.ExtensionMap(), extension.Field)
}
// GetExtension parses and returns the given extension of pb.
// If the extension is not present it returns ErrMissingExtension.
// If the returned extension is modified, SetExtension must be called
// for the modifications to be reflected in pb.
func GetExtension(pb extendableProto, extension *ExtensionDesc) (interface{}, error) {
if err := checkExtensionTypes(pb, extension); err != nil {
return nil, err
}
e, ok := pb.ExtensionMap()[extension.Field]
if !ok {
return nil, ErrMissingExtension
}
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
}
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
return e.value, nil
}
// decodeExtension decodes an extension encoded in b.
func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) {
o := NewBuffer(b)
t := reflect.TypeOf(extension.ExtensionType)
rep := extension.repeated()
props := extensionProperties(extension)
// t is a pointer to a struct, pointer to basic type or a slice.
// Allocate a "field" to store the pointer/slice itself; the
// pointer/slice will be stored here. We pass
// the address of this field to props.dec.
// This passes a zero field and a *t and lets props.dec
// interpret it as a *struct{ x t }.
value := reflect.New(t).Elem()
for {
// Discard wire type and field number varint. It isn't needed.
if _, err := o.DecodeVarint(); err != nil {
return nil, err
}
if err := props.dec(o, props, toStructPointer(value.Addr())); err != nil {
return nil, err
}
if !rep || o.index >= len(o.buf) {
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, ok := pb.(extendableProto)
if !ok {
err = errors.New("not an extendable proto")
return
}
extensions = make([]interface{}, len(es))
for i, e := range es {
extensions[i], err = GetExtension(epb, e)
if err != nil {
return
}
}
return
}
// SetExtension sets the specified extension of pb to the specified value.
func SetExtension(pb extendableProto, extension *ExtensionDesc, value interface{}) error {
if err := checkExtensionTypes(pb, extension); err != nil {
return err
}
typ := reflect.TypeOf(extension.ExtensionType)
if typ != reflect.TypeOf(value) {
return errors.New("bad extension value type")
}
pb.ExtensionMap()[extension.Field] = Extension{desc: extension, value: value}
return nil
}
// 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()]
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
Helpers for getting values are superseded by the
GetFoo methods and their use is deprecated.
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 with the enum's type name. Enum types have
a String method, and a Enum method to assist in message construction.
- Nested 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.
- Marshal and Unmarshal are functions to encode and decode the wire format.
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;
}
}
The resulting file, test.pb.go, is:
package example
import "code.google.com/p/goprotobuf/proto"
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))
}
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"`
XXX_unrecognized []byte `json:"-"`
}
func (this *Test) Reset() { *this = Test{} }
func (this *Test) String() string { return proto.CompactTextString(this) }
const Default_Test_Type int32 = 77
func (this *Test) GetLabel() string {
if this != nil && this.Label != nil {
return *this.Label
}
return ""
}
func (this *Test) GetType() int32 {
if this != nil && this.Type != nil {
return *this.Type
}
return Default_Test_Type
}
func (this *Test) GetOptionalgroup() *Test_OptionalGroup {
if this != nil {
return this.Optionalgroup
}
return nil
}
type Test_OptionalGroup struct {
RequiredField *string `protobuf:"bytes,5,req" json:"RequiredField,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (this *Test_OptionalGroup) Reset() { *this = Test_OptionalGroup{} }
func (this *Test_OptionalGroup) String() string { return proto.CompactTextString(this) }
func (this *Test_OptionalGroup) GetRequiredField() string {
if this != nil && this.RequiredField != nil {
return *this.RequiredField
}
return ""
}
func init() {
proto.RegisterEnum("example.FOO", FOO_name, FOO_value)
}
To create and play with a Test object:
package main
import (
"log"
"code.google.com/p/goprotobuf/proto"
"./example.pb"
)
func main() {
test := &example.Test{
Label: proto.String("hello"),
Type: proto.Int32(17),
Optionalgroup: &example.Test_OptionalGroup{
RequiredField: proto.String("good bye"),
},
}
data, err := proto.Marshal(test)
if err != nil {
log.Fatal("marshaling error: ", err)
}
newTest := new(example.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())
}
// etc.
}
*/
package proto
import (
"encoding/json"
"fmt"
"log"
"reflect"
"strconv"
"sync"
)
// Message is implemented by generated protocol buffer messages.
type Message interface {
Reset()
String() string
ProtoMessage()
}
// Stats records allocation details about the protocol buffer encoders
// and decoders. Useful for tuning the library itself.
type Stats struct {
Emalloc uint64 // mallocs in encode
Dmalloc uint64 // mallocs in decode
Encode uint64 // number of encodes
Decode uint64 // number of decodes
Chit uint64 // number of cache hits
Cmiss uint64 // number of cache misses
}
// Set to true to enable stats collection.
const collectStats = false
var stats Stats
// GetStats returns a copy of the global Stats structure.
func GetStats() Stats { return stats }
// 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 // write point
freelist [10][]byte // list of available buffers
nfreelist int // number of free buffers
// pools of basic types to amortize allocation.
bools []bool
uint32s []uint32
uint64s []uint64
// extra pools, only used with pointer_reflect.go
int32s []int32
int64s []int64
float32s []float32
float64s []float64
}
// NewBuffer allocates a new Buffer and initializes its internal data to
// the contents of the argument slice.
func NewBuffer(e []byte) *Buffer {
p := new(Buffer)
if e == nil {
e = p.bufalloc()
}
p.buf = e
p.index = 0
return p
}
// Reset resets the Buffer, ready for marshaling a new protocol buffer.
func (p *Buffer) Reset() {
if p.buf == nil {
p.buf = p.bufalloc()
}
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 }
// Allocate a buffer for the Buffer.
func (p *Buffer) bufalloc() []byte {
if p.nfreelist > 0 {
// reuse an old one
p.nfreelist--
s := p.freelist[p.nfreelist]
return s[0:0]
}
// make a new one
s := make([]byte, 0, 16)
return s
}
// Free (and remember in freelist) a byte buffer for the Buffer.
func (p *Buffer) buffree(s []byte) {
if p.nfreelist < len(p.freelist) {
// Take next slot.
p.freelist[p.nfreelist] = s
p.nfreelist++
return
}
// Find the smallest.
besti := -1
bestl := len(s)
for i, b := range p.freelist {
if len(b) < bestl {
besti = i
bestl = len(b)
}
}
// Overwrite the smallest.
if besti >= 0 {
p.freelist[besti] = s
}
}
/*
* 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 {
p := new(bool)
*p = v
return p
}
// 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 {
p := new(int32)
*p = v
return p
}
// 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 {
p := new(int64)
*p = v
return p
}
// 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 {
p := new(float32)
*p = v
return p
}
// 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 {
p := new(float64)
*p = v
return p
}
// 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 {
p := new(uint32)
*p = v
return p
}
// 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 {
p := new(uint64)
*p = v
return p
}
// 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 {
p := new(string)
*p = v
return p
}
// 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 older JSON representations, which represented
// enums directly by their int32 values, or with newer representations, which
// use the symbolic name as a string.
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 (o *Buffer) DebugPrint(s string, b []byte) {
var u uint64
obuf := o.buf
index := o.index
o.buf = b
o.index = 0
depth := 0
fmt.Printf("\n--- %s ---\n", s)
out:
for {
for i := 0; i < depth; i++ {
fmt.Print(" ")
}
index := o.index
if index == len(o.buf) {
break
}
op, err := o.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 = o.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 = o.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 = o.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)
break
case WireVarint:
u, err = o.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:
if err != nil {
fmt.Printf("%3d: t=%3d start err %v\n", index, tag, err)
break out
}
fmt.Printf("%3d: t=%3d start\n", index, tag)
depth++
case WireEndGroup:
depth--
if err != nil {
fmt.Printf("%3d: t=%3d end err %v\n", index, tag, err)
break out
}
fmt.Printf("%3d: t=%3d end\n", index, tag)
}
}
if depth != 0 {
fmt.Printf("%3d: start-end not balanced %d\n", o.index, depth)
}
fmt.Printf("\n")
o.buf = obuf
o.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)
if f.IsNil() {
continue
}
// f is *T or []*T
if f.Kind() == reflect.Ptr {
setDefaults(f, recur, zeros)
} else {
for i := 0; i < f.Len(); i++ {
e := f.Index(i)
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
}
func ptrToStruct(t reflect.Type) bool {
return t.Kind() == reflect.Ptr && t.Elem().Kind() == reflect.Struct
}
// 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
// nested messages
if ptrToStruct(ft) || (ft.Kind() == reflect.Slice && ptrToStruct(ft.Elem())) {
dm.nested = append(dm.nested, fi)
continue
}
sf := scalarField{
index: fi,
kind: ft.Elem().Kind(),
}
// scalar fields without defaults
if prop.Default == "" {
dm.scalars = append(dm.scalars, sf)
continue
}
// a scalar field: either *T or []byte
switch ft.Elem().Kind() {
case reflect.Bool:
x, err := strconv.ParseBool(prop.Default)
if err != nil {
log.Printf("proto: bad default bool %q: %v", prop.Default, err)
continue
}
sf.value = x
case reflect.Float32:
x, err := strconv.ParseFloat(prop.Default, 32)
if err != nil {
log.Printf("proto: bad default float32 %q: %v", prop.Default, err)
continue
}
sf.value = float32(x)
case reflect.Float64:
x, err := strconv.ParseFloat(prop.Default, 64)
if err != nil {
log.Printf("proto: bad default float64 %q: %v", prop.Default, err)
continue
}
sf.value = x
case reflect.Int32:
x, err := strconv.ParseInt(prop.Default, 10, 32)
if err != nil {
log.Printf("proto: bad default int32 %q: %v", prop.Default, err)
continue
}
sf.value = int32(x)
case reflect.Int64:
x, err := strconv.ParseInt(prop.Default, 10, 64)
if err != nil {
log.Printf("proto: bad default int64 %q: %v", prop.Default, err)
continue
}
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 {
log.Printf("proto: bad default uint32 %q: %v", prop.Default, err)
continue
}
sf.value = uint32(x)
case reflect.Uint64:
x, err := strconv.ParseUint(prop.Default, 10, 64)
if err != nil {
log.Printf("proto: bad default uint64 %q: %v", prop.Default, err)
continue
}
sf.value = x
default:
log.Printf("proto: unhandled def kind %v", ft.Elem().Kind())
continue
}
dm.scalars = append(dm.scalars, sf)
}
return dm
}

216
third_party/code.google.com/p/goprotobuf/proto/message_set.go vendored Normal file
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@ -0,0 +1,216 @@
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 (
"errors"
"reflect"
"sort"
)
// 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.
//
// When a proto1 proto has a field that looks like:
// optional message<MessageSet> info = 3;
// the protocol compiler produces a field in the generated struct that looks like:
// Info *_proto_.MessageSet `protobuf:"bytes,3,opt,name=info"`
// The package is automatically inserted so there is no need for that proto file to
// import 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 {
if ms.find(pb) != nil {
return true
}
return false
}
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 ErrWrongType // TODO: custom error?
}
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(m map[int32]Extension) ([]byte, error) {
if err := encodeExtensionMap(m); err != nil {
return nil, err
}
// Sort extension IDs to provide a deterministic encoding.
// See also enc_map in encode.go.
ids := make([]int, 0, len(m))
for id := range m {
ids = append(ids, int(id))
}
sort.Ints(ids)
ms := &MessageSet{Item: make([]*_MessageSet_Item, 0, len(m))}
for _, id := range ids {
e := m[int32(id)]
// Remove the wire type and field number varint, as well as the length varint.
msg := skipVarint(skipVarint(e.enc))
ms.Item = append(ms.Item, &_MessageSet_Item{
TypeId: Int32(int32(id)),
Message: msg,
})
}
return Marshal(ms)
}
// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
// It is called by generated Unmarshal methods on protocol buffer messages with the message_set_wire_format option.
func UnmarshalMessageSet(buf []byte, m map[int32]Extension) error {
ms := new(MessageSet)
if err := Unmarshal(buf, ms); err != nil {
return err
}
for _, item := range ms.Item {
// restore wire type and field number varint, plus length varint.
b := EncodeVarint(uint64(*item.TypeId)<<3 | WireBytes)
b = append(b, EncodeVarint(uint64(len(item.Message)))...)
b = append(b, item.Message...)
m[*item.TypeId] = Extension{enc: b}
}
return nil
}
// 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(i messageTypeIder, name string) {
messageSetMap[i.MessageTypeId()] = messageSetDesc{
t: reflect.TypeOf(i),
name: name,
}
}

384
third_party/code.google.com/p/goprotobuf/proto/pointer_reflect.go vendored Normal file
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@ -0,0 +1,384 @@
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2012 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 appengine
// 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 (
"math"
"reflect"
)
// A structPointer is a pointer to a struct.
type structPointer struct {
v reflect.Value
}
// toStructPointer returns a structPointer equivalent to the given reflect value.
// The reflect value must itself be a pointer to a struct.
func toStructPointer(v reflect.Value) structPointer {
return structPointer{v}
}
// IsNil reports whether p is nil.
func structPointer_IsNil(p structPointer) bool {
return p.v.IsNil()
}
// Interface returns the struct pointer as an interface value.
func structPointer_Interface(p structPointer, _ reflect.Type) interface{} {
return p.v.Interface()
}
// A field identifies a field in a struct, accessible from a structPointer.
// 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)
// IsValid reports whether the field identifier is valid.
func (f field) IsValid() bool { return f != nil }
// field returns the given field in the struct as a reflect value.
func structPointer_field(p structPointer, f field) reflect.Value {
// Special case: an extension map entry with a value of type T
// passes a *T to the struct-handling code with a zero field,
// expecting that it will be treated as equivalent to *struct{ X T },
// which has the same memory layout. We have to handle that case
// specially, because reflect will panic if we call FieldByIndex on a
// non-struct.
if f == nil {
return p.v.Elem()
}
return p.v.Elem().FieldByIndex(f)
}
// ifield returns the given field in the struct as an interface value.
func structPointer_ifield(p structPointer, f field) interface{} {
return structPointer_field(p, f).Addr().Interface()
}
// Bytes returns the address of a []byte field in the struct.
func structPointer_Bytes(p structPointer, f field) *[]byte {
return structPointer_ifield(p, f).(*[]byte)
}
// BytesSlice returns the address of a [][]byte field in the struct.
func structPointer_BytesSlice(p structPointer, f field) *[][]byte {
return structPointer_ifield(p, f).(*[][]byte)
}
// Bool returns the address of a *bool field in the struct.
func structPointer_Bool(p structPointer, f field) **bool {
return structPointer_ifield(p, f).(**bool)
}
// BoolSlice returns the address of a []bool field in the struct.
func structPointer_BoolSlice(p structPointer, f field) *[]bool {
return structPointer_ifield(p, f).(*[]bool)
}
// String returns the address of a *string field in the struct.
func structPointer_String(p structPointer, f field) **string {
return structPointer_ifield(p, f).(**string)
}
// StringSlice returns the address of a []string field in the struct.
func structPointer_StringSlice(p structPointer, f field) *[]string {
return structPointer_ifield(p, f).(*[]string)
}
// ExtMap returns the address of an extension map field in the struct.
func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension {
return structPointer_ifield(p, f).(*map[int32]Extension)
}
// SetStructPointer writes a *struct field in the struct.
func structPointer_SetStructPointer(p structPointer, f field, q structPointer) {
structPointer_field(p, f).Set(q.v)
}
// GetStructPointer reads a *struct field in the struct.
func structPointer_GetStructPointer(p structPointer, f field) structPointer {
return structPointer{structPointer_field(p, f)}
}
// StructPointerSlice the address of a []*struct field in the struct.
func structPointer_StructPointerSlice(p structPointer, f field) structPointerSlice {
return structPointerSlice{structPointer_field(p, f)}
}
// A structPointerSlice represents the address of a slice of pointers to structs
// (themselves messages or groups). That is, v.Type() is *[]*struct{...}.
type structPointerSlice struct {
v reflect.Value
}
func (p structPointerSlice) Len() int { return p.v.Len() }
func (p structPointerSlice) Index(i int) structPointer { return structPointer{p.v.Index(i)} }
func (p structPointerSlice) Append(q structPointer) {
p.v.Set(reflect.Append(p.v, q.v))
}
var (
int32Type = reflect.TypeOf(int32(0))
uint32Type = reflect.TypeOf(uint32(0))
float32Type = reflect.TypeOf(float32(0))
int64Type = reflect.TypeOf(int64(0))
uint64Type = reflect.TypeOf(uint64(0))
float64Type = reflect.TypeOf(float64(0))
)
// A word32 represents a field of type *int32, *uint32, *float32, or *enum.
// That is, v.Type() is *int32, *uint32, *float32, or *enum and v is assignable.
type word32 struct {
v reflect.Value
}
// IsNil reports whether p is nil.
func word32_IsNil(p word32) bool {
return p.v.IsNil()
}
// Set sets p to point at a newly allocated word with bits set to x.
func word32_Set(p word32, o *Buffer, x uint32) {
t := p.v.Type().Elem()
switch t {
case int32Type:
if len(o.int32s) == 0 {
o.int32s = make([]int32, uint32PoolSize)
}
o.int32s[0] = int32(x)
p.v.Set(reflect.ValueOf(&o.int32s[0]))
o.int32s = o.int32s[1:]
return
case uint32Type:
if len(o.uint32s) == 0 {
o.uint32s = make([]uint32, uint32PoolSize)
}
o.uint32s[0] = x
p.v.Set(reflect.ValueOf(&o.uint32s[0]))
o.uint32s = o.uint32s[1:]
return
case float32Type:
if len(o.float32s) == 0 {
o.float32s = make([]float32, uint32PoolSize)
}
o.float32s[0] = math.Float32frombits(x)
p.v.Set(reflect.ValueOf(&o.float32s[0]))
o.float32s = o.float32s[1:]
return
}
// must be enum
p.v.Set(reflect.New(t))
p.v.Elem().SetInt(int64(int32(x)))
}
// Get gets the bits pointed at by p, as a uint32.
func word32_Get(p word32) uint32 {
elem := p.v.Elem()
switch elem.Kind() {
case reflect.Int32:
return uint32(elem.Int())
case reflect.Uint32:
return uint32(elem.Uint())
case reflect.Float32:
return math.Float32bits(float32(elem.Float()))
}
panic("unreachable")
}
// Word32 returns a reference to a *int32, *uint32, *float32, or *enum field in the struct.
func structPointer_Word32(p structPointer, f field) word32 {
return word32{structPointer_field(p, f)}
}
// A word32Slice is a slice of 32-bit values.
// That is, v.Type() is []int32, []uint32, []float32, or []enum.
type word32Slice struct {
v reflect.Value
}
func (p word32Slice) Append(x uint32) {
n, m := p.v.Len(), p.v.Cap()
if n < m {
p.v.SetLen(n + 1)
} else {
t := p.v.Type().Elem()
p.v.Set(reflect.Append(p.v, reflect.Zero(t)))
}
elem := p.v.Index(n)
switch elem.Kind() {
case reflect.Int32:
elem.SetInt(int64(int32(x)))
case reflect.Uint32:
elem.SetUint(uint64(x))
case reflect.Float32:
elem.SetFloat(float64(math.Float32frombits(x)))
}
}
func (p word32Slice) Len() int {
return p.v.Len()
}
func (p word32Slice) Index(i int) uint32 {
elem := p.v.Index(i)
switch elem.Kind() {
case reflect.Int32:
return uint32(elem.Int())
case reflect.Uint32:
return uint32(elem.Uint())
case reflect.Float32:
return math.Float32bits(float32(elem.Float()))
}
panic("unreachable")
}
// Word32Slice returns a reference to a []int32, []uint32, []float32, or []enum field in the struct.
func structPointer_Word32Slice(p structPointer, f field) word32Slice {
return word32Slice{structPointer_field(p, f)}
}
// word64 is like word32 but for 64-bit values.
type word64 struct {
v reflect.Value
}
func word64_Set(p word64, o *Buffer, x uint64) {
t := p.v.Type().Elem()
switch t {
case int64Type:
if len(o.int64s) == 0 {
o.int64s = make([]int64, uint64PoolSize)
}
o.int64s[0] = int64(x)
p.v.Set(reflect.ValueOf(&o.int64s[0]))
o.int64s = o.int64s[1:]
return
case uint64Type:
if len(o.uint64s) == 0 {
o.uint64s = make([]uint64, uint64PoolSize)
}
o.uint64s[0] = x
p.v.Set(reflect.ValueOf(&o.uint64s[0]))
o.uint64s = o.uint64s[1:]
return
case float64Type:
if len(o.float64s) == 0 {
o.float64s = make([]float64, uint64PoolSize)
}
o.float64s[0] = math.Float64frombits(x)
p.v.Set(reflect.ValueOf(&o.float64s[0]))
o.float64s = o.float64s[1:]
return
}
panic("unreachable")
}
func word64_IsNil(p word64) bool {
return p.v.IsNil()
}
func word64_Get(p word64) uint64 {
elem := p.v.Elem()
switch elem.Kind() {
case reflect.Int64:
return uint64(elem.Int())
case reflect.Uint64:
return elem.Uint()
case reflect.Float64:
return math.Float64bits(elem.Float())
}
panic("unreachable")
}
func structPointer_Word64(p structPointer, f field) word64 {
return word64{structPointer_field(p, f)}
}
type word64Slice struct {
v reflect.Value
}
func (p word64Slice) Append(x uint64) {
n, m := p.v.Len(), p.v.Cap()
if n < m {
p.v.SetLen(n + 1)
} else {
t := p.v.Type().Elem()
p.v.Set(reflect.Append(p.v, reflect.Zero(t)))
}
elem := p.v.Index(n)
switch elem.Kind() {
case reflect.Int64:
elem.SetInt(int64(int64(x)))
case reflect.Uint64:
elem.SetUint(uint64(x))
case reflect.Float64:
elem.SetFloat(float64(math.Float64frombits(x)))
}
}
func (p word64Slice) Len() int {
return p.v.Len()
}
func (p word64Slice) Index(i int) uint64 {
elem := p.v.Index(i)
switch elem.Kind() {
case reflect.Int64:
return uint64(elem.Int())
case reflect.Uint64:
return uint64(elem.Uint())
case reflect.Float64:
return math.Float64bits(float64(elem.Float()))
}
panic("unreachable")
}
func structPointer_Word64Slice(p structPointer, f field) word64Slice {
return word64Slice{structPointer_field(p, f)}
}

218
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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2012 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 !appengine
// This file contains the implementation of the proto field accesses using package unsafe.
package proto
import (
"reflect"
"unsafe"
)
// NOTE: These type_Foo functions would more idiomatically be methods,
// but Go does not allow methods on pointer types, and we must preserve
// some pointer type for the garbage collector. We use these
// funcs with clunky names as our poor approximation to methods.
//
// An alternative would be
// type structPointer struct { p unsafe.Pointer }
// but that does not registerize as well.
// A structPointer is a pointer to a struct.
type structPointer unsafe.Pointer
// toStructPointer returns a structPointer equivalent to the given reflect value.
func toStructPointer(v reflect.Value) structPointer {
return structPointer(unsafe.Pointer(v.Pointer()))
}
// IsNil reports whether p is nil.
func structPointer_IsNil(p structPointer) bool {
return p == nil
}
// Interface returns the struct pointer, assumed to have element type t,
// as an interface value.
func structPointer_Interface(p structPointer, t reflect.Type) interface{} {
return reflect.NewAt(t, unsafe.Pointer(p)).Interface()
}
// A field identifies a field in a struct, accessible from a structPointer.
// 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)
// IsValid reports whether the field identifier is valid.
func (f field) IsValid() bool {
return f != ^field(0)
}
// Bytes returns the address of a []byte field in the struct.
func structPointer_Bytes(p structPointer, f field) *[]byte {
return (*[]byte)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// BytesSlice returns the address of a [][]byte field in the struct.
func structPointer_BytesSlice(p structPointer, f field) *[][]byte {
return (*[][]byte)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// Bool returns the address of a *bool field in the struct.
func structPointer_Bool(p structPointer, f field) **bool {
return (**bool)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// BoolSlice returns the address of a []bool field in the struct.
func structPointer_BoolSlice(p structPointer, f field) *[]bool {
return (*[]bool)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// String returns the address of a *string field in the struct.
func structPointer_String(p structPointer, f field) **string {
return (**string)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// StringSlice returns the address of a []string field in the struct.
func structPointer_StringSlice(p structPointer, f field) *[]string {
return (*[]string)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// ExtMap returns the address of an extension map field in the struct.
func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension {
return (*map[int32]Extension)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// SetStructPointer writes a *struct field in the struct.
func structPointer_SetStructPointer(p structPointer, f field, q structPointer) {
*(*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f))) = q
}
// GetStructPointer reads a *struct field in the struct.
func structPointer_GetStructPointer(p structPointer, f field) structPointer {
return *(*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// StructPointerSlice the address of a []*struct field in the struct.
func structPointer_StructPointerSlice(p structPointer, f field) *structPointerSlice {
return (*structPointerSlice)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// A structPointerSlice represents a slice of pointers to structs (themselves submessages or groups).
type structPointerSlice []structPointer
func (v *structPointerSlice) Len() int { return len(*v) }
func (v *structPointerSlice) Index(i int) structPointer { return (*v)[i] }
func (v *structPointerSlice) Append(p structPointer) { *v = append(*v, p) }
// A word32 is the address of a "pointer to 32-bit value" field.
type word32 **uint32
// IsNil reports whether *v is nil.
func word32_IsNil(p word32) bool {
return *p == nil
}
// Set sets *v to point at a newly allocated word set to x.
func word32_Set(p word32, o *Buffer, x uint32) {
if len(o.uint32s) == 0 {
o.uint32s = make([]uint32, uint32PoolSize)
}
o.uint32s[0] = x
*p = &o.uint32s[0]
o.uint32s = o.uint32s[1:]
}
// Get gets the value pointed at by *v.
func word32_Get(p word32) uint32 {
return **p
}
// Word32 returns the address of a *int32, *uint32, *float32, or *enum field in the struct.
func structPointer_Word32(p structPointer, f field) word32 {
return word32((**uint32)(unsafe.Pointer(uintptr(p) + uintptr(f))))
}
// A word32Slice is a slice of 32-bit values.
type word32Slice []uint32
func (v *word32Slice) Append(x uint32) { *v = append(*v, x) }
func (v *word32Slice) Len() int { return len(*v) }
func (v *word32Slice) Index(i int) uint32 { return (*v)[i] }
// Word32Slice returns the address of a []int32, []uint32, []float32, or []enum field in the struct.
func structPointer_Word32Slice(p structPointer, f field) *word32Slice {
return (*word32Slice)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}
// word64 is like word32 but for 64-bit values.
type word64 **uint64
func word64_Set(p word64, o *Buffer, x uint64) {
if len(o.uint64s) == 0 {
o.uint64s = make([]uint64, uint64PoolSize)
}
o.uint64s[0] = x
*p = &o.uint64s[0]
o.uint64s = o.uint64s[1:]
}
func word64_IsNil(p word64) bool {
return *p == nil
}
func word64_Get(p word64) uint64 {
return **p
}
func structPointer_Word64(p structPointer, f field) word64 {
return word64((**uint64)(unsafe.Pointer(uintptr(p) + uintptr(f))))
}
// word64Slice is like word32Slice but for 64-bit values.
type word64Slice []uint64
func (v *word64Slice) Append(x uint64) { *v = append(*v, x) }
func (v *word64Slice) Len() int { return len(*v) }
func (v *word64Slice) Index(i int) uint64 { return (*v)[i] }
func structPointer_Word64Slice(p structPointer, f field) *word64Slice {
return (*word64Slice)(unsafe.Pointer(uintptr(p) + uintptr(f)))
}

606
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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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"
"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
)
const startSize = 10 // initial slice/string sizes
// Encoders are defined in encoder.go
// An encoder outputs the full representation of a field, including its
// tag and encoder type.
type encoder func(p *Buffer, prop *Properties, base structPointer) error
// A valueEncoder encodes a single integer in a particular encoding.
type valueEncoder func(o *Buffer, x uint64) error
// Decoders are defined in decode.go
// A decoder creates a value from its wire representation.
// Unrecognized subelements are saved in unrec.
type decoder func(p *Buffer, prop *Properties, base structPointer) error
// A valueDecoder decodes a single integer in a particular encoding.
type valueDecoder func(o *Buffer) (x uint64, err error)
// 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
unrecField field // field id of the XXX_unrecognized []byte field
extendable bool // is this an extendable proto
}
// Implement the sorting interface so we can sort the fields in tag order, as recommended by the spec.
// See encoder.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)
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
Default string // default value
def_uint64 uint64
enc encoder
valEnc valueEncoder // set for bool and numeric types only
field field
tagcode []byte // encoding of EncodeVarint((Tag<<3)|WireType)
tagbuf [8]byte
stype reflect.Type // set for struct types only
sprop *StructProperties // set for struct types only
isMarshaler bool
isUnmarshaler bool
dec decoder
valDec valueDecoder // set for bool and numeric types only
// If this is a packable field, this will be the decoder for the packed version of the field.
packedDec decoder
}
// 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"
}
if p.OrigName != p.Name {
s += ",name=" + p.OrigName
}
if len(p.Enum) > 0 {
s += ",enum=" + p.Enum
}
if len(p.Default) > 0 {
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
p.valEnc = (*Buffer).EncodeVarint
p.valDec = (*Buffer).DecodeVarint
case "fixed32":
p.WireType = WireFixed32
p.valEnc = (*Buffer).EncodeFixed32
p.valDec = (*Buffer).DecodeFixed32
case "fixed64":
p.WireType = WireFixed64
p.valEnc = (*Buffer).EncodeFixed64
p.valDec = (*Buffer).DecodeFixed64
case "zigzag32":
p.WireType = WireVarint
p.valEnc = (*Buffer).EncodeZigzag32
p.valDec = (*Buffer).DecodeZigzag32
case "zigzag64":
p.WireType = WireVarint
p.valEnc = (*Buffer).EncodeZigzag64
p.valDec = (*Buffer).DecodeZigzag64
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
}
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, "enum="):
p.Enum = f[5:]
case strings.HasPrefix(f, "def="):
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
}
}
}
}
func logNoSliceEnc(t1, t2 reflect.Type) {
fmt.Fprintf(os.Stderr, "proto: no slice oenc for %T = []%T\n", t1, t2)
}
var protoMessageType = reflect.TypeOf((*Message)(nil)).Elem()
// Initialize the fields for encoding and decoding.
func (p *Properties) setEncAndDec(typ reflect.Type, lockGetProp bool) {
p.enc = nil
p.dec = nil
switch t1 := typ; t1.Kind() {
default:
fmt.Fprintf(os.Stderr, "proto: no coders for %T\n", t1)
case reflect.Ptr:
switch t2 := t1.Elem(); t2.Kind() {
default:
fmt.Fprintf(os.Stderr, "proto: no encoder function for %T -> %T\n", t1, t2)
break
case reflect.Bool:
p.enc = (*Buffer).enc_bool
p.dec = (*Buffer).dec_bool
case reflect.Int32, reflect.Uint32:
p.enc = (*Buffer).enc_int32
p.dec = (*Buffer).dec_int32
case reflect.Int64, reflect.Uint64:
p.enc = (*Buffer).enc_int64
p.dec = (*Buffer).dec_int64
case reflect.Float32:
p.enc = (*Buffer).enc_int32 // can just treat them as bits
p.dec = (*Buffer).dec_int32
case reflect.Float64:
p.enc = (*Buffer).enc_int64 // can just treat them as bits
p.dec = (*Buffer).dec_int64
case reflect.String:
p.enc = (*Buffer).enc_string
p.dec = (*Buffer).dec_string
case reflect.Struct:
p.stype = t1.Elem()
p.isMarshaler = isMarshaler(t1)
p.isUnmarshaler = isUnmarshaler(t1)
if p.Wire == "bytes" {
p.enc = (*Buffer).enc_struct_message
p.dec = (*Buffer).dec_struct_message
} else {
p.enc = (*Buffer).enc_struct_group
p.dec = (*Buffer).dec_struct_group
}
}
case reflect.Slice:
switch t2 := t1.Elem(); t2.Kind() {
default:
logNoSliceEnc(t1, t2)
break
case reflect.Bool:
if p.Packed {
p.enc = (*Buffer).enc_slice_packed_bool
} else {
p.enc = (*Buffer).enc_slice_bool
}
p.dec = (*Buffer).dec_slice_bool
p.packedDec = (*Buffer).dec_slice_packed_bool
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
switch t2.Bits() {
case 32:
if p.Packed {
p.enc = (*Buffer).enc_slice_packed_int32
} else {
p.enc = (*Buffer).enc_slice_int32
}
p.dec = (*Buffer).dec_slice_int32
p.packedDec = (*Buffer).dec_slice_packed_int32
case 64:
if p.Packed {
p.enc = (*Buffer).enc_slice_packed_int64
} else {
p.enc = (*Buffer).enc_slice_int64
}
p.dec = (*Buffer).dec_slice_int64
p.packedDec = (*Buffer).dec_slice_packed_int64
case 8:
if t2.Kind() == reflect.Uint8 {
p.enc = (*Buffer).enc_slice_byte
p.dec = (*Buffer).dec_slice_byte
}
default:
logNoSliceEnc(t1, t2)
break
}
case reflect.Float32, reflect.Float64:
switch t2.Bits() {
case 32:
// can just treat them as bits
if p.Packed {
p.enc = (*Buffer).enc_slice_packed_int32
} else {
p.enc = (*Buffer).enc_slice_int32
}
p.dec = (*Buffer).dec_slice_int32
p.packedDec = (*Buffer).dec_slice_packed_int32
case 64:
// can just treat them as bits
if p.Packed {
p.enc = (*Buffer).enc_slice_packed_int64
} else {
p.enc = (*Buffer).enc_slice_int64
}
p.dec = (*Buffer).dec_slice_int64
p.packedDec = (*Buffer).dec_slice_packed_int64
default:
logNoSliceEnc(t1, t2)
break
}
case reflect.String:
p.enc = (*Buffer).enc_slice_string
p.dec = (*Buffer).dec_slice_string
case reflect.Ptr:
switch t3 := t2.Elem(); t3.Kind() {
default:
fmt.Fprintf(os.Stderr, "proto: no ptr oenc for %T -> %T -> %T\n", t1, t2, t3)
break
case reflect.Struct:
p.stype = t2.Elem()
p.isMarshaler = isMarshaler(t2)
p.isUnmarshaler = isUnmarshaler(t2)
p.enc = (*Buffer).enc_slice_struct_group
p.dec = (*Buffer).dec_slice_struct_group
if p.Wire == "bytes" {
p.enc = (*Buffer).enc_slice_struct_message
p.dec = (*Buffer).dec_slice_struct_message
}
}
case reflect.Slice:
switch t2.Elem().Kind() {
default:
fmt.Fprintf(os.Stderr, "proto: no slice elem oenc for %T -> %T -> %T\n", t1, t2, t2.Elem())
break
case reflect.Uint8:
p.enc = (*Buffer).enc_slice_slice_byte
p.dec = (*Buffer).dec_slice_slice_byte
}
}
}
// precalculate tag code
wire := p.WireType
if p.Packed {
wire = WireBytes
}
x := uint32(p.Tag)<<3 | uint32(wire)
i := 0
for i = 0; x > 127; i++ {
p.tagbuf[i] = 0x80 | uint8(x&0x7F)
x >>= 7
}
p.tagbuf[i] = uint8(x)
p.tagcode = p.tagbuf[0 : i+1]
if p.stype != nil {
if lockGetProp {
p.sprop = GetProperties(p.stype)
} else {
p.sprop = getPropertiesLocked(p.stype)
}
}
}
var (
marshalerType = reflect.TypeOf((*Marshaler)(nil)).Elem()
unmarshalerType = reflect.TypeOf((*Unmarshaler)(nil)).Elem()
)
// isMarshaler reports whether type t implements Marshaler.
func isMarshaler(t reflect.Type) bool {
// We're checking for (likely) pointer-receiver methods
// so if t is not a pointer, something is very wrong.
// The calls above only invoke isMarshaler on pointer types.
if t.Kind() != reflect.Ptr {
panic("proto: misuse of isMarshaler")
}
return t.Implements(marshalerType)
}
// isUnmarshaler reports whether type t implements Unmarshaler.
func isUnmarshaler(t reflect.Type) bool {
// We're checking for (likely) pointer-receiver methods
// so if t is not a pointer, something is very wrong.
// The calls above only invoke isUnmarshaler on pointer types.
if t.Kind() != reflect.Ptr {
panic("proto: misuse of isUnmarshaler")
}
return t.Implements(unmarshalerType)
}
// 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 f != nil {
p.field = toField(f)
}
if tag == "" {
return
}
p.Parse(tag)
p.setEncAndDec(typ, lockGetProp)
}
var (
mutex sync.Mutex
propertiesMap = make(map[reflect.Type]*StructProperties)
)
// GetProperties returns the list of properties for the type represented by t.
func GetProperties(t reflect.Type) *StructProperties {
mutex.Lock()
sprop := getPropertiesLocked(t)
mutex.Unlock()
return sprop
}
// getPropertiesLocked requires that mutex is held.
func getPropertiesLocked(t reflect.Type) *StructProperties {
if prop, ok := propertiesMap[t]; ok {
if collectStats {
stats.Chit++
}
return prop
}
if collectStats {
stats.Cmiss++
}
prop := new(StructProperties)
// in case of recursive protos, fill this in now.
propertiesMap[t] = prop
// build properties
prop.extendable = reflect.PtrTo(t).Implements(extendableProtoType)
prop.unrecField = invalidField
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)
if f.Name == "XXX_extensions" { // special case
p.enc = (*Buffer).enc_map
p.dec = nil // not needed
}
if f.Name == "XXX_unrecognized" { // special case
prop.unrecField = toField(&f)
}
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")
}
if p.enc == nil && !strings.HasPrefix(f.Name, "XXX_") {
fmt.Fprintln(os.Stderr, "proto: no encoder for", f.Name, f.Type.String(), "[GetProperties]")
}
}
// Re-order prop.order.
sort.Sort(prop)
// 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
}
// Return the Properties object for the x[0]'th field of the structure.
func propByIndex(t reflect.Type, x []int) *Properties {
if len(x) != 1 {
fmt.Fprintf(os.Stderr, "proto: field index dimension %d (not 1) for type %s\n", len(x), t)
return nil
}
prop := GetProperties(t)
return prop.Prop[x[0]]
}
// Get the address and type of a pointer to a struct from an interface.
func getbase(pb Message) (t reflect.Type, b structPointer, err error) {
if pb == nil {
err = ErrNil
return
}
// get the reflect type of the pointer to the struct.
t = reflect.TypeOf(pb)
// get the address of the struct.
value := reflect.ValueOf(pb)
b = toStructPointer(value)
return
}
// 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
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2012 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
// Functions to determine the size of an encoded protocol buffer.
package proto
import (
"log"
"reflect"
"strings"
)
// Size returns the encoded size of a protocol buffer.
// This function is expensive enough to be avoided unless proven worthwhile with instrumentation.
func Size(pb Message) int {
in := reflect.ValueOf(pb)
if in.IsNil() {
return 0
}
return sizeStruct(in.Elem())
}
func sizeStruct(x reflect.Value) (n int) {
sprop := GetProperties(x.Type())
for _, prop := range sprop.Prop {
if strings.HasPrefix(prop.Name, "XXX_") { // handled below
continue
}
fi, _ := sprop.decoderTags.get(prop.Tag)
f := x.Field(fi)
switch f.Kind() {
case reflect.Ptr:
if f.IsNil() {
continue
}
n += len(prop.tagcode)
f = f.Elem() // avoid a recursion in sizeField
case reflect.Slice:
if f.IsNil() {
continue
}
if f.Len() == 0 && f.Type().Elem().Kind() != reflect.Uint8 {
// short circuit for empty repeated fields.
// []byte isn't a repeated field.
continue
}
default:
log.Printf("proto: unknown struct field type %v", f.Type())
continue
}
n += sizeField(f, prop)
}
if em, ok := x.Addr().Interface().(extendableProto); ok {
for _, ext := range em.ExtensionMap() {
ms := len(ext.enc)
if ext.enc == nil {
props := new(Properties)
props.Init(reflect.TypeOf(ext.desc.ExtensionType), "x", ext.desc.Tag, nil)
ms = len(props.tagcode) + sizeField(reflect.ValueOf(ext.value), props)
}
n += ms
}
}
if uf := x.FieldByName("XXX_unrecognized"); uf.IsValid() {
n += uf.Len()
}
return n
}
func sizeField(x reflect.Value, prop *Properties) (n int) {
if x.Type().Kind() == reflect.Slice {
n := x.Len()
et := x.Type().Elem()
if et.Kind() == reflect.Uint8 {
// []byte is easy.
return len(prop.tagcode) + sizeVarint(uint64(n)) + n
}
var nb int
// []bool and repeated fixed integer types are easy.
switch {
case et.Kind() == reflect.Bool:
nb += n
case prop.WireType == WireFixed64:
nb += n * 8
case prop.WireType == WireFixed32:
nb += n * 4
default:
for i := 0; i < n; i++ {
nb += sizeField(x.Index(i), prop)
}
}
// Non-packed repeated fields have a per-element header of the tagcode.
// Packed repeated fields only have a single header: the tag code plus a varint of the number of bytes.
if !prop.Packed {
nb += len(prop.tagcode) * n
} else {
nb += len(prop.tagcode) + sizeVarint(uint64(nb))
}
return nb
}
// easy scalars
switch prop.WireType {
case WireFixed64:
return 8
case WireFixed32:
return 4
}
switch x.Kind() {
case reflect.Bool:
return 1
case reflect.Int32, reflect.Int64:
if prop.Wire == "varint" {
return sizeVarint(uint64(x.Int()))
} else if prop.Wire == "zigzag32" || prop.Wire == "zigzag64" {
return sizeZigZag(uint64(x.Int()))
}
case reflect.Ptr:
return sizeField(x.Elem(), prop)
case reflect.String:
n := x.Len()
return sizeVarint(uint64(n)) + n
case reflect.Struct:
nb := sizeStruct(x)
if prop.Wire == "group" {
// Groups have start and end tags instead of a start tag and a length.
return nb + len(prop.tagcode)
}
return sizeVarint(uint64(nb)) + nb
case reflect.Uint32, reflect.Uint64:
if prop.Wire == "varint" {
return sizeVarint(uint64(x.Uint()))
} else if prop.Wire == "zigzag32" || prop.Wire == "zigzag64" {
return sizeZigZag(uint64(x.Int()))
}
default:
log.Printf("proto.sizeField: unhandled kind %v", x.Kind())
}
// unknown type, so not a protocol buffer
log.Printf("proto: don't know size of %v", x.Type())
return 0
}
func sizeVarint(x uint64) (n int) {
for {
n++
x >>= 7
if x == 0 {
break
}
}
return n
}
func sizeZigZag(x uint64) (n int) {
return sizeVarint(uint64((x << 1) ^ uint64((int64(x) >> 63))))
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2012 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 (
"testing"
)
// This is a separate file and package from size_test.go because that one uses
// generated messages and thus may not be in package proto without having a circular
// dependency, whereas this file tests unexported details of size.go.
func TestVarintSize(t *testing.T) {
// Check the edge cases carefully.
testCases := []struct {
n uint64
size int
}{
{0, 1},
{1, 1},
{127, 1},
{128, 2},
{16383, 2},
{16384, 3},
{1<<63 - 1, 9},
{1 << 63, 10},
}
for _, tc := range testCases {
size := sizeVarint(tc.n)
if size != tc.size {
t.Errorf("sizeVarint(%d) = %d, want %d", tc.n, size, tc.size)
}
}
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2012 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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_test
import (
"log"
"testing"
pb "./testdata"
. "code.google.com/p/goprotobuf/proto"
)
var messageWithExtension1 = &pb.MyMessage{Count: Int32(7)}
// messageWithExtension2 is in equal_test.go.
var messageWithExtension3 = &pb.MyMessage{Count: Int32(8)}
func init() {
if err := SetExtension(messageWithExtension1, pb.E_Ext_More, &pb.Ext{Data: String("Abbott")}); err != nil {
log.Panicf("SetExtension: %v", err)
}
if err := SetExtension(messageWithExtension3, pb.E_Ext_More, &pb.Ext{Data: String("Costello")}); err != nil {
log.Panicf("SetExtension: %v", err)
}
// Force messageWithExtension3 to have the extension encoded.
Marshal(messageWithExtension3)
}
var SizeTests = []struct {
desc string
pb Message
}{
{"empty", &pb.OtherMessage{}},
// Basic types.
{"bool", &pb.Defaults{F_Bool: Bool(true)}},
{"int32", &pb.Defaults{F_Int32: Int32(12)}},
{"small int64", &pb.Defaults{F_Int64: Int64(1)}},
{"big int64", &pb.Defaults{F_Int64: Int64(1 << 20)}},
{"fixed32", &pb.Defaults{F_Fixed32: Uint32(71)}},
{"fixed64", &pb.Defaults{F_Fixed64: Uint64(72)}},
{"uint32", &pb.Defaults{F_Uint32: Uint32(123)}},
{"uint64", &pb.Defaults{F_Uint64: Uint64(124)}},
{"float", &pb.Defaults{F_Float: Float32(12.6)}},
{"double", &pb.Defaults{F_Double: Float64(13.9)}},
{"string", &pb.Defaults{F_String: String("niles")}},
{"bytes", &pb.Defaults{F_Bytes: []byte("wowsa")}},
{"bytes, empty", &pb.Defaults{F_Bytes: []byte{}}},
{"sint32", &pb.Defaults{F_Sint32: Int32(65)}},
{"sint64", &pb.Defaults{F_Sint64: Int64(67)}},
{"enum", &pb.Defaults{F_Enum: pb.Defaults_BLUE.Enum()}},
// Repeated.
{"empty repeated bool", &pb.MoreRepeated{Bools: []bool{}}},
{"repeated bool", &pb.MoreRepeated{Bools: []bool{false, true, true, false}}},
{"packed repeated bool", &pb.MoreRepeated{BoolsPacked: []bool{false, true, true, false, true, true, true}}},
{"repeated int32", &pb.MoreRepeated{Ints: []int32{1, 12203, 1729}}},
{"repeated int32 packed", &pb.MoreRepeated{IntsPacked: []int32{1, 12203, 1729}}},
{"repeated int64 packed", &pb.MoreRepeated{Int64SPacked: []int64{
// Need enough large numbers to verify that the header is counting the number of bytes
// for the field, not the number of elements.
1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62,
1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62,
}}},
{"repeated string", &pb.MoreRepeated{Strings: []string{"r", "ken", "gri"}}},
{"repeated fixed", &pb.MoreRepeated{Fixeds: []uint32{1, 2, 3, 4}}},
// Nested.
{"nested", &pb.OldMessage{Nested: &pb.OldMessage_Nested{Name: String("whatever")}}},
{"group", &pb.GroupOld{G: &pb.GroupOld_G{X: Int32(12345)}}},
// Other things.
{"unrecognized", &pb.MoreRepeated{XXX_unrecognized: []byte{13<<3 | 0, 4}}},
{"extension (unencoded)", messageWithExtension1},
{"extension (encoded)", messageWithExtension3},
}
func TestSize(t *testing.T) {
for _, tc := range SizeTests {
size := Size(tc.pb)
b, err := Marshal(tc.pb)
if err != nil {
t.Errorf("%v: Marshal failed: %v", tc.desc, err)
continue
}
if size != len(b) {
t.Errorf("%v: Size(%v) = %d, want %d", tc.desc, tc.pb, size, len(b))
t.Logf("%v: bytes: %#v", tc.desc, b)
}
}
}

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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
include ../../Make.protobuf
all: regenerate
regenerate:
rm -f test.pb.go
make test.pb.go
# The following rules are just aids to development. Not needed for typical testing.
diff: regenerate
hg diff test.pb.go
restore:
cp test.pb.go.golden test.pb.go
preserve:
cp test.pb.go test.pb.go.golden

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2012 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
// Verify that the compiler output for test.proto is unchanged.
package testdata
import (
"crypto/sha1"
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"testing"
)
// sum returns in string form (for easy comparison) the SHA-1 hash of the named file.
func sum(t *testing.T, name string) string {
data, err := ioutil.ReadFile(name)
if err != nil {
t.Fatal(err)
}
t.Logf("sum(%q): length is %d", name, len(data))
hash := sha1.New()
_, err = hash.Write(data)
if err != nil {
t.Fatal(err)
}
return fmt.Sprintf("% x", hash.Sum(nil))
}
func run(t *testing.T, name string, args ...string) {
cmd := exec.Command(name, args...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err := cmd.Run()
if err != nil {
t.Fatal(err)
}
}
func TestGolden(t *testing.T) {
// Compute the original checksum.
goldenSum := sum(t, "test.pb.go")
// Run the proto compiler.
run(t, "protoc", "--go_out="+os.TempDir(), "test.proto")
newFile := filepath.Join(os.TempDir(), "test.pb.go")
defer os.Remove(newFile)
// Compute the new checksum.
newSum := sum(t, newFile)
// Verify
if newSum != goldenSum {
run(t, "diff", "-u", "test.pb.go", newFile)
t.Fatal("Code generated by protoc-gen-go has changed; update test.pb.go")
}
}

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third_party/code.google.com/p/goprotobuf/proto/testdata/test.proto vendored Normal file
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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
// A feature-rich test file for the protocol compiler and libraries.
syntax = "proto2";
package testdata;
enum FOO { FOO1 = 1; };
message GoEnum {
required FOO foo = 1;
}
message GoTestField {
required string Label = 1;
required string Type = 2;
}
message GoTest {
// An enum, for completeness.
enum KIND {
VOID = 0;
// Basic types
BOOL = 1;
BYTES = 2;
FINGERPRINT = 3;
FLOAT = 4;
INT = 5;
STRING = 6;
TIME = 7;
// Groupings
TUPLE = 8;
ARRAY = 9;
MAP = 10;
// Table types
TABLE = 11;
// Functions
FUNCTION = 12; // last tag
};
// Some typical parameters
required KIND Kind = 1;
optional string Table = 2;
optional int32 Param = 3;
// Required, repeated and optional foreign fields.
required GoTestField RequiredField = 4;
repeated GoTestField RepeatedField = 5;
optional GoTestField OptionalField = 6;
// Required fields of all basic types
required bool F_Bool_required = 10;
required int32 F_Int32_required = 11;
required int64 F_Int64_required = 12;
required fixed32 F_Fixed32_required = 13;
required fixed64 F_Fixed64_required = 14;
required uint32 F_Uint32_required = 15;
required uint64 F_Uint64_required = 16;
required float F_Float_required = 17;
required double F_Double_required = 18;
required string F_String_required = 19;
required bytes F_Bytes_required = 101;
required sint32 F_Sint32_required = 102;
required sint64 F_Sint64_required = 103;
// Repeated fields of all basic types
repeated bool F_Bool_repeated = 20;
repeated int32 F_Int32_repeated = 21;
repeated int64 F_Int64_repeated = 22;
repeated fixed32 F_Fixed32_repeated = 23;
repeated fixed64 F_Fixed64_repeated = 24;
repeated uint32 F_Uint32_repeated = 25;
repeated uint64 F_Uint64_repeated = 26;
repeated float F_Float_repeated = 27;
repeated double F_Double_repeated = 28;
repeated string F_String_repeated = 29;
repeated bytes F_Bytes_repeated = 201;
repeated sint32 F_Sint32_repeated = 202;
repeated sint64 F_Sint64_repeated = 203;
// Optional fields of all basic types
optional bool F_Bool_optional = 30;
optional int32 F_Int32_optional = 31;
optional int64 F_Int64_optional = 32;
optional fixed32 F_Fixed32_optional = 33;
optional fixed64 F_Fixed64_optional = 34;
optional uint32 F_Uint32_optional = 35;
optional uint64 F_Uint64_optional = 36;
optional float F_Float_optional = 37;
optional double F_Double_optional = 38;
optional string F_String_optional = 39;
optional bytes F_Bytes_optional = 301;
optional sint32 F_Sint32_optional = 302;
optional sint64 F_Sint64_optional = 303;
// Default-valued fields of all basic types
optional bool F_Bool_defaulted = 40 [default=true];
optional int32 F_Int32_defaulted = 41 [default=32];
optional int64 F_Int64_defaulted = 42 [default=64];
optional fixed32 F_Fixed32_defaulted = 43 [default=320];
optional fixed64 F_Fixed64_defaulted = 44 [default=640];
optional uint32 F_Uint32_defaulted = 45 [default=3200];
optional uint64 F_Uint64_defaulted = 46 [default=6400];
optional float F_Float_defaulted = 47 [default=314159.];
optional double F_Double_defaulted = 48 [default=271828.];
optional string F_String_defaulted = 49 [default="hello, \"world!\"\n"];
optional bytes F_Bytes_defaulted = 401 [default="Bignose"];
optional sint32 F_Sint32_defaulted = 402 [default = -32];
optional sint64 F_Sint64_defaulted = 403 [default = -64];
// Packed repeated fields (no string or bytes).
repeated bool F_Bool_repeated_packed = 50 [packed=true];
repeated int32 F_Int32_repeated_packed = 51 [packed=true];
repeated int64 F_Int64_repeated_packed = 52 [packed=true];
repeated fixed32 F_Fixed32_repeated_packed = 53 [packed=true];
repeated fixed64 F_Fixed64_repeated_packed = 54 [packed=true];
repeated uint32 F_Uint32_repeated_packed = 55 [packed=true];
repeated uint64 F_Uint64_repeated_packed = 56 [packed=true];
repeated float F_Float_repeated_packed = 57 [packed=true];
repeated double F_Double_repeated_packed = 58 [packed=true];
repeated sint32 F_Sint32_repeated_packed = 502 [packed=true];
repeated sint64 F_Sint64_repeated_packed = 503 [packed=true];
// Required, repeated, and optional groups.
required group RequiredGroup = 70 {
required string RequiredField = 71;
};
repeated group RepeatedGroup = 80 {
required string RequiredField = 81;
};
optional group OptionalGroup = 90 {
required string RequiredField = 91;
};
}
// For testing skipping of unrecognized fields.
// Numbers are all big, larger than tag numbers in GoTestField,
// the message used in the corresponding test.
message GoSkipTest {
required int32 skip_int32 = 11;
required fixed32 skip_fixed32 = 12;
required fixed64 skip_fixed64 = 13;
required string skip_string = 14;
required group SkipGroup = 15 {
required int32 group_int32 = 16;
required string group_string = 17;
}
}
// For testing packed/non-packed decoder switching.
// A serialized instance of one should be deserializable as the other.
message NonPackedTest {
repeated int32 a = 1;
}
message PackedTest {
repeated int32 b = 1 [packed=true];
}
message MaxTag {
// Maximum possible tag number.
optional string last_field = 536870911;
}
message OldMessage {
message Nested {
optional string name = 1;
}
optional Nested nested = 1;
}
// NewMessage is wire compatible with OldMessage;
// imagine it as a future version.
message NewMessage {
message Nested {
optional string name = 1;
optional string food_group = 2;
}
optional Nested nested = 1;
}
// Smaller tests for ASCII formatting.
message InnerMessage {
required string host = 1;
optional int32 port = 2 [default=4000];
optional bool connected = 3;
}
message OtherMessage {
optional int64 key = 1;
optional bytes value = 2;
optional float weight = 3;
optional InnerMessage inner = 4;
}
message MyMessage {
required int32 count = 1;
optional string name = 2;
optional string quote = 3;
repeated string pet = 4;
optional InnerMessage inner = 5;
repeated OtherMessage others = 6;
repeated InnerMessage rep_inner = 12;
enum Color {
RED = 0;
GREEN = 1;
BLUE = 2;
};
optional Color bikeshed = 7;
optional group SomeGroup = 8 {
optional int32 group_field = 9;
}
// This field becomes [][]byte in the generated code.
repeated bytes rep_bytes = 10;
optional double bigfloat = 11;
extensions 100 to max;
}
message Ext {
extend MyMessage {
optional Ext more = 103;
optional string text = 104;
optional int32 number = 105;
}
optional string data = 1;
}
extend MyMessage {
repeated string greeting = 106;
}
message MyMessageSet {
option message_set_wire_format = true;
extensions 100 to max;
}
message Empty {
}
extend MyMessageSet {
optional Empty x201 = 201;
optional Empty x202 = 202;
optional Empty x203 = 203;
optional Empty x204 = 204;
optional Empty x205 = 205;
optional Empty x206 = 206;
optional Empty x207 = 207;
optional Empty x208 = 208;
optional Empty x209 = 209;
optional Empty x210 = 210;
optional Empty x211 = 211;
optional Empty x212 = 212;
optional Empty x213 = 213;
optional Empty x214 = 214;
optional Empty x215 = 215;
optional Empty x216 = 216;
optional Empty x217 = 217;
optional Empty x218 = 218;
optional Empty x219 = 219;
optional Empty x220 = 220;
optional Empty x221 = 221;
optional Empty x222 = 222;
optional Empty x223 = 223;
optional Empty x224 = 224;
optional Empty x225 = 225;
optional Empty x226 = 226;
optional Empty x227 = 227;
optional Empty x228 = 228;
optional Empty x229 = 229;
optional Empty x230 = 230;
optional Empty x231 = 231;
optional Empty x232 = 232;
optional Empty x233 = 233;
optional Empty x234 = 234;
optional Empty x235 = 235;
optional Empty x236 = 236;
optional Empty x237 = 237;
optional Empty x238 = 238;
optional Empty x239 = 239;
optional Empty x240 = 240;
optional Empty x241 = 241;
optional Empty x242 = 242;
optional Empty x243 = 243;
optional Empty x244 = 244;
optional Empty x245 = 245;
optional Empty x246 = 246;
optional Empty x247 = 247;
optional Empty x248 = 248;
optional Empty x249 = 249;
optional Empty x250 = 250;
}
message MessageList {
repeated group Message = 1 {
required string name = 2;
required int32 count = 3;
}
}
message Strings {
optional string string_field = 1;
optional bytes bytes_field = 2;
}
message Defaults {
enum Color {
RED = 0;
GREEN = 1;
BLUE = 2;
}
// Default-valued fields of all basic types.
// Same as GoTest, but copied here to make testing easier.
optional bool F_Bool = 1 [default=true];
optional int32 F_Int32 = 2 [default=32];
optional int64 F_Int64 = 3 [default=64];
optional fixed32 F_Fixed32 = 4 [default=320];
optional fixed64 F_Fixed64 = 5 [default=640];
optional uint32 F_Uint32 = 6 [default=3200];
optional uint64 F_Uint64 = 7 [default=6400];
optional float F_Float = 8 [default=314159.];
optional double F_Double = 9 [default=271828.];
optional string F_String = 10 [default="hello, \"world!\"\n"];
optional bytes F_Bytes = 11 [default="Bignose"];
optional sint32 F_Sint32 = 12 [default=-32];
optional sint64 F_Sint64 = 13 [default=-64];
optional Color F_Enum = 14 [default=GREEN];
// More fields with crazy defaults.
optional float F_Pinf = 15 [default=inf];
optional float F_Ninf = 16 [default=-inf];
optional float F_Nan = 17 [default=nan];
// Sub-message.
optional SubDefaults sub = 18;
}
message SubDefaults {
optional int64 n = 1 [default=7];
}
message RepeatedEnum {
enum Color {
RED = 1;
}
repeated Color color = 1;
}
message MoreRepeated {
repeated bool bools = 1;
repeated bool bools_packed = 2 [packed=true];
repeated int32 ints = 3;
repeated int32 ints_packed = 4 [packed=true];
repeated int64 int64s_packed = 7 [packed=true];
repeated string strings = 5;
repeated fixed32 fixeds = 6;
}
// GroupOld and GroupNew have the same wire format.
// GroupNew has a new field inside a group.
message GroupOld {
optional group G = 101 {
optional int32 x = 2;
}
}
message GroupNew {
optional group G = 101 {
optional int32 x = 2;
optional int32 y = 3;
}
}
message FloatingPoint {
required double f = 1;
}

662
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@ -0,0 +1,662 @@
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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"
"fmt"
"io"
"log"
"math"
"os"
"reflect"
"sort"
"strings"
)
var (
newline = []byte("\n")
spaces = []byte(" ")
gtNewline = []byte(">\n")
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.Printf("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
}
var (
messageSetType = reflect.TypeOf((*MessageSet)(nil)).Elem()
)
// raw is the interface satisfied by RawMessage.
type raw interface {
Bytes() []byte
}
func writeStruct(w *textWriter, sv reflect.Value) error {
if sv.Type() == messageSetType {
return writeMessageSet(w, sv.Addr().Interface().(*MessageSet))
}
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 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
}
}
if err := writeAny(w, fv.Index(j), props); err != nil {
return err
}
if err := w.WriteByte('\n'); err != nil {
return err
}
}
continue
}
if err := writeName(w, props); err != nil {
return err
}
if !w.compact {
if err := w.WriteByte(' '); err != nil {
return err
}
}
if b, ok := fv.Interface().(raw); ok {
if err := writeRaw(w, b.Bytes()); err != nil {
return err
}
continue
}
// Enums have a String method, so writeAny will work fine.
if err := 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 pv.Type().Implements(extendableProtoType) {
if err := writeExtensions(w, pv); err != nil {
return err
}
}
return nil
}
// writeRaw writes an uninterpreted raw message.
func writeRaw(w *textWriter, b []byte) error {
if err := w.WriteByte('<'); err != nil {
return err
}
if !w.compact {
if err := w.WriteByte('\n'); err != nil {
return err
}
}
w.indent()
if err := writeUnknownStruct(w, b); err != nil {
return err
}
w.unindent()
if err := w.WriteByte('>'); err != nil {
return err
}
return nil
}
// writeAny writes an arbitrary field.
func 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.Interface().([]byte))); 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 err := 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 writeMessageSet(w *textWriter, ms *MessageSet) error {
for _, item := range ms.Item {
id := *item.TypeId
if msd, ok := messageSetMap[id]; ok {
// Known message set type.
if _, err := fmt.Fprintf(w, "[%s]: <\n", msd.name); err != nil {
return err
}
w.indent()
pb := reflect.New(msd.t.Elem())
if err := Unmarshal(item.Message, pb.Interface().(Message)); err != nil {
if _, err := fmt.Fprintf(w, "/* bad message: %v */\n", err); err != nil {
return err
}
} else {
if err := writeStruct(w, pb.Elem()); err != nil {
return err
}
}
} else {
// Unknown type.
if _, err := fmt.Fprintf(w, "[%d]: <\n", id); err != nil {
return err
}
w.indent()
if err := writeUnknownStruct(w, item.Message); err != nil {
return err
}
}
w.unindent()
if _, err := w.Write(gtNewline); err != nil {
return err
}
}
return nil
}
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 err == 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 writeExtensions(w *textWriter, pv reflect.Value) error {
emap := extensionMaps[pv.Type().Elem()]
ep := pv.Interface().(extendableProto)
// Order the extensions by ID.
// This isn't strictly necessary, but it will give us
// canonical output, which will also make testing easier.
m := ep.ExtensionMap()
ids := make([]int32, 0, len(m))
for id := range m {
ids = append(ids, id)
}
sort.Sort(int32Slice(ids))
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 {
if _, err := fmt.Fprintln(os.Stderr, "proto: failed getting extension: ", err); err != nil {
return err
}
continue
}
// Repeated extensions will appear as a slice.
if !desc.repeated() {
if err := writeExtension(w, desc.Name, pb); err != nil {
return err
}
} else {
v := reflect.ValueOf(pb)
for i := 0; i < v.Len(); i++ {
if err := writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil {
return err
}
}
}
}
return nil
}
func 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 := 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
}
func marshalText(w io.Writer, pb Message, compact bool) 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: compact,
}
// Dereference the received pointer so we don't have outer < and >.
v := reflect.Indirect(val)
if err := writeStruct(aw, v); err != nil {
return err
}
if bw != nil {
return bw.Flush()
}
return nil
}
// 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 marshalText(w, pb, false) }
// MarshalTextString is the same as MarshalText, but returns the string directly.
func MarshalTextString(pb Message) string {
var buf bytes.Buffer
marshalText(&buf, pb, false)
return buf.String()
}
// CompactText writes a given protocol buffer in compact text format (one line).
func CompactText(w io.Writer, pb Message) error { return marshalText(w, pb, true) }
// CompactTextString is the same as CompactText, but returns the string directly.
func CompactTextString(pb Message) string {
var buf bytes.Buffer
marshalText(&buf, pb, true)
return buf.String()
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 (
"errors"
"fmt"
"reflect"
"strconv"
"strings"
"unicode/utf8"
)
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 (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 %v", p.s[0:i+1])
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("bad UTF-8")
errBadHex = errors.New("bad hexadecimal")
)
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', 'x', 'X':
if len(s) < 2 {
return "", "", fmt.Errorf(`\%c requires 2 following digits`, r)
}
base := 8
ss := s[:2]
s = s[2:]
if r == 'x' || r == 'X' {
base = 16
} else {
ss = string(r) + ss
}
i, err := strconv.ParseUint(ss, base, 8)
if err != nil {
return "", "", err
}
return string([]byte{byte(i)}), s, nil
case 'u', 'U':
n := 4
if r == 'U' {
n = 8
}
if len(s) < n {
return "", "", fmt.Errorf(`\%c requires %d digits`, r, n)
}
bs := make([]byte, n/2)
for i := 0; i < n; i += 2 {
a, ok1 := unhex(s[i])
b, ok2 := unhex(s[i+1])
if !ok1 || !ok2 {
return "", "", errBadHex
}
bs[i/2] = a<<4 | b
}
s = s[n:]
return string(bs), s, nil
}
return "", "", fmt.Errorf(`unknown escape \%c`, r)
}
// Adapted from src/pkg/strconv/quote.go.
func unhex(b byte) (v byte, ok bool) {
switch {
case '0' <= b && b <= '9':
return b - '0', true
case 'a' <= b && b <= 'f':
return b - 'a' + 10, true
case 'A' <= b && b <= 'F':
return b - 'A' + 10, true
}
return 0, false
}
// 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 && p.cur.value[0] == '"' {
// Look for multiple quoted strings separated by whitespace,
// and concatenate them.
cat := p.cur
for {
p.skipWhitespace()
if p.done || 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
}
// Return an error indicating which required field was not set.
func (p *textParser) missingRequiredFieldError(sv reflect.Value) *ParseError {
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 p.errorf("message %v missing required field %q", st, props.OrigName)
}
}
return p.errorf("message %v missing required field", st) // should not happen
}
// Returns the index in the struct for the named field, as well as the parsed tag properties.
func structFieldByName(st reflect.Type, name string) (int, *Properties, bool) {
sprops := GetProperties(st)
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
}
}
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) *ParseError {
st := sv.Type()
reqCount := GetProperties(st).reqCount
// 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]".
for {
tok := p.next()
if tok.err != nil {
return tok.err
}
if tok.value == terminator {
break
}
if tok.value == "[" {
// Looks like an extension.
//
// TODO: Check whether we need to handle
// namespace rooted names (e.g. ".something.Foo").
tok = p.next()
if tok.err != nil {
return tok.err
}
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 == tok.value {
desc = d
break
}
}
if desc == nil {
return p.errorf("unrecognized extension %q", tok.value)
}
// Check the extension terminator.
tok = p.next()
if tok.err != nil {
return tok.err
}
if tok.value != "]" {
return p.errorf("unrecognized extension terminator %q", tok.value)
}
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 {
return err
}
ep := sv.Addr().Interface().(extendableProto)
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())
}
} else {
// This is a normal, non-extension field.
fi, props, ok := structFieldByName(st, tok.value)
if !ok {
return p.errorf("unknown field name %q in %v", tok.value, st)
}
dst := sv.Field(fi)
isDstNil := isNil(dst)
// Check that it's not already set if it's not a repeated field.
if !props.Repeated && !isDstNil {
return p.errorf("non-repeated field %q was repeated", tok.value)
}
if err := p.checkForColon(props, st.Field(fi).Type); err != nil {
return err
}
// Parse into the field.
if err := p.readAny(dst, props); err != nil {
return err
}
if props.Required {
reqCount--
}
}
// For backward compatibility, permit a semicolon or comma after a field.
tok = p.next()
if tok.err != nil {
return tok.err
}
if tok.value != ";" && tok.value != "," {
p.back()
}
}
if reqCount > 0 {
return p.missingRequiredFieldError(sv)
}
return nil
}
func (p *textParser) readAny(v reflect.Value, props *Properties) *ParseError {
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. May already exist.
flen := fv.Len()
if flen == fv.Cap() {
nav := reflect.MakeSlice(at, flen, 2*flen+1)
reflect.Copy(nav, fv)
fv.Set(nav)
}
fv.SetLen(flen + 1)
// Read one.
p.back()
return p.readAny(fv.Index(flen), props)
case reflect.Bool:
// Either "true", "false", 1 or 0.
switch tok.value {
case "true", "1":
fv.SetBool(true)
return nil
case "false", "0":
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)
}
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.
func UnmarshalText(s string, pb Message) error {
pb.Reset()
v := reflect.ValueOf(pb)
if pe := newTextParser(s).readStruct(v.Elem(), ""); pe != nil {
return pe
}
return nil
}

452
third_party/code.google.com/p/goprotobuf/proto/text_parser_test.go vendored Normal file
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@ -0,0 +1,452 @@
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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_test
import (
"math"
"reflect"
"testing"
. "./testdata"
. "code.google.com/p/goprotobuf/proto"
)
type UnmarshalTextTest struct {
in string
err string // if "", no error expected
out *MyMessage
}
func buildExtStructTest(text string) UnmarshalTextTest {
msg := &MyMessage{
Count: Int32(42),
}
SetExtension(msg, E_Ext_More, &Ext{
Data: String("Hello, world!"),
})
return UnmarshalTextTest{in: text, out: msg}
}
func buildExtDataTest(text string) UnmarshalTextTest {
msg := &MyMessage{
Count: Int32(42),
}
SetExtension(msg, E_Ext_Text, String("Hello, world!"))
SetExtension(msg, E_Ext_Number, Int32(1729))
return UnmarshalTextTest{in: text, out: msg}
}
func buildExtRepStringTest(text string) UnmarshalTextTest {
msg := &MyMessage{
Count: Int32(42),
}
if err := SetExtension(msg, E_Greeting, []string{"bula", "hola"}); err != nil {
panic(err)
}
return UnmarshalTextTest{in: text, out: msg}
}
var unMarshalTextTests = []UnmarshalTextTest{
// Basic
{
in: " count:42\n name:\"Dave\" ",
out: &MyMessage{
Count: Int32(42),
Name: String("Dave"),
},
},
// Empty quoted string
{
in: `count:42 name:""`,
out: &MyMessage{
Count: Int32(42),
Name: String(""),
},
},
// Quoted string concatenation
{
in: `count:42 name: "My name is "` + "\n" + `"elsewhere"`,
out: &MyMessage{
Count: Int32(42),
Name: String("My name is elsewhere"),
},
},
// Quoted string with escaped apostrophe
{
in: `count:42 name: "HOLIDAY - New Year\'s Day"`,
out: &MyMessage{
Count: Int32(42),
Name: String("HOLIDAY - New Year's Day"),
},
},
// Quoted string with single quote
{
in: `count:42 name: 'Roger "The Ramster" Ramjet'`,
out: &MyMessage{
Count: Int32(42),
Name: String(`Roger "The Ramster" Ramjet`),
},
},
// Quoted string with all the accepted special characters from the C++ test
{
in: `count:42 name: ` + "\"\\\"A string with \\' characters \\n and \\r newlines and \\t tabs and \\001 slashes \\\\ and multiple spaces\"",
out: &MyMessage{
Count: Int32(42),
Name: String("\"A string with ' characters \n and \r newlines and \t tabs and \001 slashes \\ and multiple spaces"),
},
},
// Quoted string with quoted backslash
{
in: `count:42 name: "\\'xyz"`,
out: &MyMessage{
Count: Int32(42),
Name: String(`\'xyz`),
},
},
// Quoted string with UTF-8 bytes.
{
in: "count:42 name: '\303\277\302\201\xAB'",
out: &MyMessage{
Count: Int32(42),
Name: String("\303\277\302\201\xAB"),
},
},
// Bad quoted string
{
in: `inner: < host: "\0" >` + "\n",
err: `line 1.15: invalid quoted string "\0"`,
},
// Number too large for int64
{
in: "count: 123456789012345678901",
err: "line 1.7: invalid int32: 123456789012345678901",
},
// Number too large for int32
{
in: "count: 1234567890123",
err: "line 1.7: invalid int32: 1234567890123",
},
// Number in hexadecimal
{
in: "count: 0x2beef",
out: &MyMessage{
Count: Int32(0x2beef),
},
},
// Number in octal
{
in: "count: 024601",
out: &MyMessage{
Count: Int32(024601),
},
},
// Floating point number with "f" suffix
{
in: "count: 4 others:< weight: 17.0f >",
out: &MyMessage{
Count: Int32(4),
Others: []*OtherMessage{
{
Weight: Float32(17),
},
},
},
},
// Floating point positive infinity
{
in: "count: 4 bigfloat: inf",
out: &MyMessage{
Count: Int32(4),
Bigfloat: Float64(math.Inf(1)),
},
},
// Floating point negative infinity
{
in: "count: 4 bigfloat: -inf",
out: &MyMessage{
Count: Int32(4),
Bigfloat: Float64(math.Inf(-1)),
},
},
// Number too large for float32
{
in: "others:< weight: 12345678901234567890123456789012345678901234567890 >",
err: "line 1.17: invalid float32: 12345678901234567890123456789012345678901234567890",
},
// Number posing as a quoted string
{
in: `inner: < host: 12 >` + "\n",
err: `line 1.15: invalid string: 12`,
},
// Quoted string posing as int32
{
in: `count: "12"`,
err: `line 1.7: invalid int32: "12"`,
},
// Quoted string posing a float32
{
in: `others:< weight: "17.4" >`,
err: `line 1.17: invalid float32: "17.4"`,
},
// Enum
{
in: `count:42 bikeshed: BLUE`,
out: &MyMessage{
Count: Int32(42),
Bikeshed: MyMessage_BLUE.Enum(),
},
},
// Repeated field
{
in: `count:42 pet: "horsey" pet:"bunny"`,
out: &MyMessage{
Count: Int32(42),
Pet: []string{"horsey", "bunny"},
},
},
// Repeated message with/without colon and <>/{}
{
in: `count:42 others:{} others{} others:<> others:{}`,
out: &MyMessage{
Count: Int32(42),
Others: []*OtherMessage{
{},
{},
{},
{},
},
},
},
// Missing colon for inner message
{
in: `count:42 inner < host: "cauchy.syd" >`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("cauchy.syd"),
},
},
},
// Missing colon for string field
{
in: `name "Dave"`,
err: `line 1.5: expected ':', found "\"Dave\""`,
},
// Missing colon for int32 field
{
in: `count 42`,
err: `line 1.6: expected ':', found "42"`,
},
// Missing required field
{
in: ``,
err: `line 1.0: message testdata.MyMessage missing required field "count"`,
},
// Repeated non-repeated field
{
in: `name: "Rob" name: "Russ"`,
err: `line 1.12: non-repeated field "name" was repeated`,
},
// Group
{
in: `count: 17 SomeGroup { group_field: 12 }`,
out: &MyMessage{
Count: Int32(17),
Somegroup: &MyMessage_SomeGroup{
GroupField: Int32(12),
},
},
},
// Semicolon between fields
{
in: `count:3;name:"Calvin"`,
out: &MyMessage{
Count: Int32(3),
Name: String("Calvin"),
},
},
// Comma between fields
{
in: `count:4,name:"Ezekiel"`,
out: &MyMessage{
Count: Int32(4),
Name: String("Ezekiel"),
},
},
// Extension
buildExtStructTest(`count: 42 [testdata.Ext.more]:<data:"Hello, world!" >`),
buildExtStructTest(`count: 42 [testdata.Ext.more] {data:"Hello, world!"}`),
buildExtDataTest(`count: 42 [testdata.Ext.text]:"Hello, world!" [testdata.Ext.number]:1729`),
buildExtRepStringTest(`count: 42 [testdata.greeting]:"bula" [testdata.greeting]:"hola"`),
// Big all-in-one
{
in: "count:42 # Meaning\n" +
`name:"Dave" ` +
`quote:"\"I didn't want to go.\"" ` +
`pet:"bunny" ` +
`pet:"kitty" ` +
`pet:"horsey" ` +
`inner:<` +
` host:"footrest.syd" ` +
` port:7001 ` +
` connected:true ` +
`> ` +
`others:<` +
` key:3735928559 ` +
` value:"\x01A\a\f" ` +
`> ` +
`others:<` +
" weight:58.9 # Atomic weight of Co\n" +
` inner:<` +
` host:"lesha.mtv" ` +
` port:8002 ` +
` >` +
`>`,
out: &MyMessage{
Count: Int32(42),
Name: String("Dave"),
Quote: String(`"I didn't want to go."`),
Pet: []string{"bunny", "kitty", "horsey"},
Inner: &InnerMessage{
Host: String("footrest.syd"),
Port: Int32(7001),
Connected: Bool(true),
},
Others: []*OtherMessage{
{
Key: Int64(3735928559),
Value: []byte{0x1, 'A', '\a', '\f'},
},
{
Weight: Float32(58.9),
Inner: &InnerMessage{
Host: String("lesha.mtv"),
Port: Int32(8002),
},
},
},
},
},
}
func TestUnmarshalText(t *testing.T) {
for i, test := range unMarshalTextTests {
pb := new(MyMessage)
err := UnmarshalText(test.in, pb)
if test.err == "" {
// We don't expect failure.
if err != nil {
t.Errorf("Test %d: Unexpected error: %v", i, err)
} else if !reflect.DeepEqual(pb, test.out) {
t.Errorf("Test %d: Incorrect populated \nHave: %v\nWant: %v",
i, pb, test.out)
}
} else {
// We do expect failure.
if err == nil {
t.Errorf("Test %d: Didn't get expected error: %v", i, test.err)
} else if err.Error() != test.err {
t.Errorf("Test %d: Incorrect error.\nHave: %v\nWant: %v",
i, err.Error(), test.err)
}
}
}
}
// Regression test; this caused a panic.
func TestRepeatedEnum(t *testing.T) {
pb := new(RepeatedEnum)
if err := UnmarshalText("color: RED", pb); err != nil {
t.Fatal(err)
}
exp := &RepeatedEnum{
Color: []RepeatedEnum_Color{RepeatedEnum_RED},
}
if !Equal(pb, exp) {
t.Errorf("Incorrect populated \nHave: %v\nWant: %v", pb, exp)
}
}
var benchInput string
func init() {
benchInput = "count: 4\n"
for i := 0; i < 1000; i++ {
benchInput += "pet: \"fido\"\n"
}
// Check it is valid input.
pb := new(MyMessage)
err := UnmarshalText(benchInput, pb)
if err != nil {
panic("Bad benchmark input: " + err.Error())
}
}
func BenchmarkUnmarshalText(b *testing.B) {
pb := new(MyMessage)
for i := 0; i < b.N; i++ {
UnmarshalText(benchInput, pb)
}
b.SetBytes(int64(len(benchInput)))
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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_test
import (
"bytes"
"errors"
"io/ioutil"
"math"
"strings"
"testing"
"code.google.com/p/goprotobuf/proto"
pb "./testdata"
)
func newTestMessage() *pb.MyMessage {
msg := &pb.MyMessage{
Count: proto.Int32(42),
Name: proto.String("Dave"),
Quote: proto.String(`"I didn't want to go."`),
Pet: []string{"bunny", "kitty", "horsey"},
Inner: &pb.InnerMessage{
Host: proto.String("footrest.syd"),
Port: proto.Int32(7001),
Connected: proto.Bool(true),
},
Others: []*pb.OtherMessage{
{
Key: proto.Int64(0xdeadbeef),
Value: []byte{1, 65, 7, 12},
},
{
Weight: proto.Float32(6.022),
Inner: &pb.InnerMessage{
Host: proto.String("lesha.mtv"),
Port: proto.Int32(8002),
},
},
},
Bikeshed: pb.MyMessage_BLUE.Enum(),
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: proto.Int32(8),
},
// One normally wouldn't do this.
// This is an undeclared tag 13, as a varint (wire type 0) with value 4.
XXX_unrecognized: []byte{13<<3 | 0, 4},
}
ext := &pb.Ext{
Data: proto.String("Big gobs for big rats"),
}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext); err != nil {
panic(err)
}
greetings := []string{"adg", "easy", "cow"}
if err := proto.SetExtension(msg, pb.E_Greeting, greetings); err != nil {
panic(err)
}
// Add an unknown extension. We marshal a pb.Ext, and fake the ID.
b, err := proto.Marshal(&pb.Ext{Data: proto.String("3G skiing")})
if err != nil {
panic(err)
}
b = append(proto.EncodeVarint(201<<3|proto.WireBytes), b...)
proto.SetRawExtension(msg, 201, b)
// Extensions can be plain fields, too, so let's test that.
b = append(proto.EncodeVarint(202<<3|proto.WireVarint), 19)
proto.SetRawExtension(msg, 202, b)
return msg
}
const text = `count: 42
name: "Dave"
quote: "\"I didn't want to go.\""
pet: "bunny"
pet: "kitty"
pet: "horsey"
inner: <
host: "footrest.syd"
port: 7001
connected: true
>
others: <
key: 3735928559
value: "\001A\007\014"
>
others: <
weight: 6.022
inner: <
host: "lesha.mtv"
port: 8002
>
>
bikeshed: BLUE
SomeGroup {
group_field: 8
}
/* 2 unknown bytes */
13: 4
[testdata.Ext.more]: <
data: "Big gobs for big rats"
>
[testdata.greeting]: "adg"
[testdata.greeting]: "easy"
[testdata.greeting]: "cow"
/* 13 unknown bytes */
201: "\t3G skiing"
/* 3 unknown bytes */
202: 19
`
func TestMarshalText(t *testing.T) {
buf := new(bytes.Buffer)
if err := proto.MarshalText(buf, newTestMessage()); err != nil {
t.Fatalf("proto.MarshalText: %v", err)
}
s := buf.String()
if s != text {
t.Errorf("Got:\n===\n%v===\nExpected:\n===\n%v===\n", s, text)
}
}
func TestMarshalTextNil(t *testing.T) {
want := "<nil>"
tests := []proto.Message{nil, (*pb.MyMessage)(nil)}
for i, test := range tests {
buf := new(bytes.Buffer)
if err := proto.MarshalText(buf, test); err != nil {
t.Fatal(err)
}
if got := buf.String(); got != want {
t.Errorf("%d: got %q want %q", i, got, want)
}
}
}
func TestMarshalTextUnknownEnum(t *testing.T) {
// The Color enum only specifies values 0-2.
m := &pb.MyMessage{Bikeshed: pb.MyMessage_Color(3).Enum()}
got := m.String()
const want = `bikeshed:3 `
if got != want {
t.Errorf("\n got %q\nwant %q", got, want)
}
}
func BenchmarkMarshalTextBuffered(b *testing.B) {
buf := new(bytes.Buffer)
m := newTestMessage()
for i := 0; i < b.N; i++ {
buf.Reset()
proto.MarshalText(buf, m)
}
}
func BenchmarkMarshalTextUnbuffered(b *testing.B) {
w := ioutil.Discard
m := newTestMessage()
for i := 0; i < b.N; i++ {
proto.MarshalText(w, m)
}
}
func compact(src string) string {
// s/[ \n]+/ /g; s/ $//;
dst := make([]byte, len(src))
space, comment := false, false
j := 0
for i := 0; i < len(src); i++ {
if strings.HasPrefix(src[i:], "/*") {
comment = true
i++
continue
}
if comment && strings.HasPrefix(src[i:], "*/") {
comment = false
i++
continue
}
if comment {
continue
}
c := src[i]
if c == ' ' || c == '\n' {
space = true
continue
}
if j > 0 && (dst[j-1] == ':' || dst[j-1] == '<' || dst[j-1] == '{') {
space = false
}
if c == '{' {
space = false
}
if space {
dst[j] = ' '
j++
space = false
}
dst[j] = c
j++
}
if space {
dst[j] = ' '
j++
}
return string(dst[0:j])
}
var compactText = compact(text)
func TestCompactText(t *testing.T) {
s := proto.CompactTextString(newTestMessage())
if s != compactText {
t.Errorf("Got:\n===\n%v===\nExpected:\n===\n%v\n===\n", s, compactText)
}
}
func TestStringEscaping(t *testing.T) {
testCases := []struct {
in *pb.Strings
out string
}{
{
// Test data from C++ test (TextFormatTest.StringEscape).
// Single divergence: we don't escape apostrophes.
&pb.Strings{StringField: proto.String("\"A string with ' characters \n and \r newlines and \t tabs and \001 slashes \\ and multiple spaces")},
"string_field: \"\\\"A string with ' characters \\n and \\r newlines and \\t tabs and \\001 slashes \\\\ and multiple spaces\"\n",
},
{
// Test data from the same C++ test.
&pb.Strings{StringField: proto.String("\350\260\267\346\255\214")},
"string_field: \"\\350\\260\\267\\346\\255\\214\"\n",
},
{
// Some UTF-8.
&pb.Strings{StringField: proto.String("\x00\x01\xff\x81")},
`string_field: "\000\001\377\201"` + "\n",
},
}
for i, tc := range testCases {
var buf bytes.Buffer
if err := proto.MarshalText(&buf, tc.in); err != nil {
t.Errorf("proto.MarsalText: %v", err)
continue
}
s := buf.String()
if s != tc.out {
t.Errorf("#%d: Got:\n%s\nExpected:\n%s\n", i, s, tc.out)
continue
}
// Check round-trip.
pb := new(pb.Strings)
if err := proto.UnmarshalText(s, pb); err != nil {
t.Errorf("#%d: UnmarshalText: %v", i, err)
continue
}
if !proto.Equal(pb, tc.in) {
t.Errorf("#%d: Round-trip failed:\nstart: %v\n end: %v", i, tc.in, pb)
}
}
}
// A limitedWriter accepts some output before it fails.
// This is a proxy for something like a nearly-full or imminently-failing disk,
// or a network connection that is about to die.
type limitedWriter struct {
b bytes.Buffer
limit int
}
var outOfSpace = errors.New("insufficient space")
func (w *limitedWriter) Write(p []byte) (n int, err error) {
var avail = w.limit - w.b.Len()
if avail <= 0 {
return 0, outOfSpace
}
if len(p) <= avail {
return w.b.Write(p)
}
n, _ = w.b.Write(p[:avail])
return n, outOfSpace
}
func TestMarshalTextFailing(t *testing.T) {
// Try lots of different sizes to exercise more error code-paths.
for lim := 0; lim < len(text); lim++ {
buf := new(limitedWriter)
buf.limit = lim
err := proto.MarshalText(buf, newTestMessage())
// We expect a certain error, but also some partial results in the buffer.
if err != outOfSpace {
t.Errorf("Got:\n===\n%v===\nExpected:\n===\n%v===\n", err, outOfSpace)
}
s := buf.b.String()
x := text[:buf.limit]
if s != x {
t.Errorf("Got:\n===\n%v===\nExpected:\n===\n%v===\n", s, x)
}
}
}
func TestFloats(t *testing.T) {
tests := []struct {
f float64
want string
}{
{0, "0"},
{4.7, "4.7"},
{math.Inf(1), "inf"},
{math.Inf(-1), "-inf"},
{math.NaN(), "nan"},
}
for _, test := range tests {
msg := &pb.FloatingPoint{F: &test.f}
got := strings.TrimSpace(msg.String())
want := `f:` + test.want
if got != want {
t.Errorf("f=%f: got %q, want %q", test.f, got, want)
}
}
}

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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
include $(GOROOT)/src/Make.cmd
test:
cd testdata && make test

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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
# Not stored here, but descriptor.proto is in http://code.google.com/p/protobuf
# at protobuf-2.5.0/src/google/protobuf/descriptor.proto
regenerate:
echo WARNING! THIS RULE IS PROBABLY NOT RIGHT FOR YOUR INSTALLATION
cd $(HOME)/src/protobuf-2.5.0/src && \
protoc --go_out=. ./google/protobuf/descriptor.proto && \
cp ./google/protobuf/descriptor.pb.go $(GOPATH)/src/code.google.com/p/goprotobuf/protoc-gen-go/descriptor/descriptor.pb.go
restore:
cp descriptor.pb.golden descriptor.pb.go
preserve:
cp descriptor.pb.go descriptor.pb.golden

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
/*
A plugin for the Google protocol buffer compiler to generate Go code.
Run it by building this program and putting it in your path with the name
protoc-gen-go
That word 'go' at the end becomes part of the option string set for the
protocol compiler, so once the protocol compiler (protoc) is installed
you can run
protoc --go_out=output_directory input_directory/file.proto
to generate Go bindings for the protocol defined by file.proto.
With that input, the output will be written to
output_directory/file.pb.go
The generated code is documented in the package comment for
the library.
See the README and documentation for protocol buffers to learn more:
http://code.google.com/p/protobuf/
*/
package documentation

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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
include $(GOROOT)/src/Make.inc
TARG=code.google.com/p/goprotobuf/compiler/generator
GOFILES=\
generator.go\
DEPS=../descriptor ../plugin ../../proto
include $(GOROOT)/src/Make.pkg

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
/*
A plugin for the Google protocol buffer compiler to generate Go code.
This plugin takes no options and the protocol buffer file syntax does
not yet define any options for Go, so program does no option evaluation.
That may change.
*/
package main
import (
"io/ioutil"
"os"
"code.google.com/p/goprotobuf/proto"
"code.google.com/p/goprotobuf/protoc-gen-go/generator"
)
func main() {
// Begin by allocating a generator. The request and response structures are stored there
// so we can do error handling easily - the response structure contains the field to
// report failure.
g := generator.New()
data, err := ioutil.ReadAll(os.Stdin)
if err != nil {
g.Error(err, "reading input")
}
if err := proto.Unmarshal(data, g.Request); err != nil {
g.Error(err, "parsing input proto")
}
if len(g.Request.FileToGenerate) == 0 {
g.Fail("no files to generate")
}
g.CommandLineParameters(g.Request.GetParameter())
// Create a wrapped version of the Descriptors and EnumDescriptors that
// point to the file that defines them.
g.WrapTypes()
g.SetPackageNames()
g.BuildTypeNameMap()
g.GenerateAllFiles()
// Send back the results.
data, err = proto.Marshal(g.Response)
if err != nil {
g.Error(err, "failed to marshal output proto")
}
_, err = os.Stdout.Write(data)
if err != nil {
g.Error(err, "failed to write output proto")
}
}

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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
# Not stored here, but plugin.proto is in http://code.google.com/p/protobuf
# at protobuf-2.5.0/src/google/protobuf/compiler/plugin.proto
# Also we need to fix an import.
regenerate:
echo WARNING! THIS RULE IS PROBABLY NOT RIGHT FOR YOUR INSTALLATION
cd $(HOME)/src/protobuf-2.5.0/src && \
protoc --go_out=. ./google/protobuf/compiler/plugin.proto && \
cat ./google/protobuf/compiler/plugin.pb.go | \
sed '/^import/s;google/protobuf/descriptor.pb;code.google.com/p/goprotobuf/protoc-gen-go/descriptor;' > $(GOPATH)/src/code.google.com/p/goprotobuf/protoc-gen-go/plugin/plugin.pb.go
restore:
cp plugin.pb.golden plugin.pb.go
preserve:
cp plugin.pb.go plugin.pb.golden

181
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@ -0,0 +1,181 @@
// Code generated by protoc-gen-go.
// source: google/protobuf/compiler/plugin.proto
// DO NOT EDIT!
package google_protobuf_compiler
import proto "code.google.com/p/goprotobuf/proto"
import json "encoding/json"
import math "math"
import google_protobuf "code.google.com/p/goprotobuf/protoc-gen-go/descriptor"
// Reference proto, json, and math imports to suppress error if they are not otherwise used.
var _ = proto.Marshal
var _ = &json.SyntaxError{}
var _ = math.Inf
// An encoded CodeGeneratorRequest is written to the plugin's stdin.
type CodeGeneratorRequest struct {
// The .proto files that were explicitly listed on the command-line. The
// code generator should generate code only for these files. Each file's
// descriptor will be included in proto_file, below.
FileToGenerate []string `protobuf:"bytes,1,rep,name=file_to_generate" json:"file_to_generate,omitempty"`
// The generator parameter passed on the command-line.
Parameter *string `protobuf:"bytes,2,opt,name=parameter" json:"parameter,omitempty"`
// FileDescriptorProtos for all files in files_to_generate and everything
// they import. The files will appear in topological order, so each file
// appears before any file that imports it.
//
// protoc guarantees that all proto_files will be written after
// the fields above, even though this is not technically guaranteed by the
// protobuf wire format. This theoretically could allow a plugin to stream
// in the FileDescriptorProtos and handle them one by one rather than read
// the entire set into memory at once. However, as of this writing, this
// is not similarly optimized on protoc's end -- it will store all fields in
// memory at once before sending them to the plugin.
ProtoFile []*google_protobuf.FileDescriptorProto `protobuf:"bytes,15,rep,name=proto_file" json:"proto_file,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *CodeGeneratorRequest) Reset() { *m = CodeGeneratorRequest{} }
func (m *CodeGeneratorRequest) String() string { return proto.CompactTextString(m) }
func (*CodeGeneratorRequest) ProtoMessage() {}
func (m *CodeGeneratorRequest) GetFileToGenerate() []string {
if m != nil {
return m.FileToGenerate
}
return nil
}
func (m *CodeGeneratorRequest) GetParameter() string {
if m != nil && m.Parameter != nil {
return *m.Parameter
}
return ""
}
func (m *CodeGeneratorRequest) GetProtoFile() []*google_protobuf.FileDescriptorProto {
if m != nil {
return m.ProtoFile
}
return nil
}
// The plugin writes an encoded CodeGeneratorResponse to stdout.
type CodeGeneratorResponse struct {
// Error message. If non-empty, code generation failed. The plugin process
// should exit with status code zero even if it reports an error in this way.
//
// This should be used to indicate errors in .proto files which prevent the
// code generator from generating correct code. Errors which indicate a
// problem in protoc itself -- such as the input CodeGeneratorRequest being
// unparseable -- should be reported by writing a message to stderr and
// exiting with a non-zero status code.
Error *string `protobuf:"bytes,1,opt,name=error" json:"error,omitempty"`
File []*CodeGeneratorResponse_File `protobuf:"bytes,15,rep,name=file" json:"file,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *CodeGeneratorResponse) Reset() { *m = CodeGeneratorResponse{} }
func (m *CodeGeneratorResponse) String() string { return proto.CompactTextString(m) }
func (*CodeGeneratorResponse) ProtoMessage() {}
func (m *CodeGeneratorResponse) GetError() string {
if m != nil && m.Error != nil {
return *m.Error
}
return ""
}
func (m *CodeGeneratorResponse) GetFile() []*CodeGeneratorResponse_File {
if m != nil {
return m.File
}
return nil
}
// Represents a single generated file.
type CodeGeneratorResponse_File struct {
// The file name, relative to the output directory. The name must not
// contain "." or ".." components and must be relative, not be absolute (so,
// the file cannot lie outside the output directory). "/" must be used as
// the path separator, not "\".
//
// If the name is omitted, the content will be appended to the previous
// file. This allows the generator to break large files into small chunks,
// and allows the generated text to be streamed back to protoc so that large
// files need not reside completely in memory at one time. Note that as of
// this writing protoc does not optimize for this -- it will read the entire
// CodeGeneratorResponse before writing files to disk.
Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
// If non-empty, indicates that the named file should already exist, and the
// content here is to be inserted into that file at a defined insertion
// point. This feature allows a code generator to extend the output
// produced by another code generator. The original generator may provide
// insertion points by placing special annotations in the file that look
// like:
// @@protoc_insertion_point(NAME)
// The annotation can have arbitrary text before and after it on the line,
// which allows it to be placed in a comment. NAME should be replaced with
// an identifier naming the point -- this is what other generators will use
// as the insertion_point. Code inserted at this point will be placed
// immediately above the line containing the insertion point (thus multiple
// insertions to the same point will come out in the order they were added).
// The double-@ is intended to make it unlikely that the generated code
// could contain things that look like insertion points by accident.
//
// For example, the C++ code generator places the following line in the
// .pb.h files that it generates:
// // @@protoc_insertion_point(namespace_scope)
// This line appears within the scope of the file's package namespace, but
// outside of any particular class. Another plugin can then specify the
// insertion_point "namespace_scope" to generate additional classes or
// other declarations that should be placed in this scope.
//
// Note that if the line containing the insertion point begins with
// whitespace, the same whitespace will be added to every line of the
// inserted text. This is useful for languages like Python, where
// indentation matters. In these languages, the insertion point comment
// should be indented the same amount as any inserted code will need to be
// in order to work correctly in that context.
//
// The code generator that generates the initial file and the one which
// inserts into it must both run as part of a single invocation of protoc.
// Code generators are executed in the order in which they appear on the
// command line.
//
// If |insertion_point| is present, |name| must also be present.
InsertionPoint *string `protobuf:"bytes,2,opt,name=insertion_point" json:"insertion_point,omitempty"`
// The file contents.
Content *string `protobuf:"bytes,15,opt,name=content" json:"content,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *CodeGeneratorResponse_File) Reset() { *m = CodeGeneratorResponse_File{} }
func (m *CodeGeneratorResponse_File) String() string { return proto.CompactTextString(m) }
func (*CodeGeneratorResponse_File) ProtoMessage() {}
func (m *CodeGeneratorResponse_File) GetName() string {
if m != nil && m.Name != nil {
return *m.Name
}
return ""
}
func (m *CodeGeneratorResponse_File) GetInsertionPoint() string {
if m != nil && m.InsertionPoint != nil {
return *m.InsertionPoint
}
return ""
}
func (m *CodeGeneratorResponse_File) GetContent() string {
if m != nil && m.Content != nil {
return *m.Content
}
return ""
}
func init() {
}

83
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@ -0,0 +1,83 @@
// Code generated by protoc-gen-go.
// source: google/protobuf/compiler/plugin.proto
// DO NOT EDIT!
package google_protobuf_compiler
import proto "code.google.com/p/goprotobuf/proto"
import "math"
import google_protobuf "code.google.com/p/goprotobuf/protoc-gen-go/descriptor"
// Reference proto and math imports to suppress error if they are not otherwise used.
var _ = proto.GetString
var _ = math.Inf
type CodeGeneratorRequest struct {
FileToGenerate []string `protobuf:"bytes,1,rep,name=file_to_generate" json:"file_to_generate,omitempty"`
Parameter *string `protobuf:"bytes,2,opt,name=parameter" json:"parameter,omitempty"`
ProtoFile []*google_protobuf.FileDescriptorProto `protobuf:"bytes,15,rep,name=proto_file" json:"proto_file,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (this *CodeGeneratorRequest) Reset() { *this = CodeGeneratorRequest{} }
func (this *CodeGeneratorRequest) String() string { return proto.CompactTextString(this) }
func (*CodeGeneratorRequest) ProtoMessage() {}
func (this *CodeGeneratorRequest) GetParameter() string {
if this != nil && this.Parameter != nil {
return *this.Parameter
}
return ""
}
type CodeGeneratorResponse struct {
Error *string `protobuf:"bytes,1,opt,name=error" json:"error,omitempty"`
File []*CodeGeneratorResponse_File `protobuf:"bytes,15,rep,name=file" json:"file,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (this *CodeGeneratorResponse) Reset() { *this = CodeGeneratorResponse{} }
func (this *CodeGeneratorResponse) String() string { return proto.CompactTextString(this) }
func (*CodeGeneratorResponse) ProtoMessage() {}
func (this *CodeGeneratorResponse) GetError() string {
if this != nil && this.Error != nil {
return *this.Error
}
return ""
}
type CodeGeneratorResponse_File struct {
Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
InsertionPoint *string `protobuf:"bytes,2,opt,name=insertion_point" json:"insertion_point,omitempty"`
Content *string `protobuf:"bytes,15,opt,name=content" json:"content,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (this *CodeGeneratorResponse_File) Reset() { *this = CodeGeneratorResponse_File{} }
func (this *CodeGeneratorResponse_File) String() string { return proto.CompactTextString(this) }
func (*CodeGeneratorResponse_File) ProtoMessage() {}
func (this *CodeGeneratorResponse_File) GetName() string {
if this != nil && this.Name != nil {
return *this.Name
}
return ""
}
func (this *CodeGeneratorResponse_File) GetInsertionPoint() string {
if this != nil && this.InsertionPoint != nil {
return *this.InsertionPoint
}
return ""
}
func (this *CodeGeneratorResponse_File) GetContent() string {
if this != nil && this.Content != nil {
return *this.Content
}
return ""
}
func init() {
}

66
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# Go support for Protocol Buffers - Google's data interchange format
#
# Copyright 2010 The Go Authors. All rights reserved.
# http://code.google.com/p/goprotobuf/
#
# 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.
all:
@echo run make test
include ../../Make.protobuf
test: golden testbuild
#test: golden testbuild extension_test
# ./extension_test
# @echo PASS
golden:
make -B my_test/test.pb.go
diff -w my_test/test.pb.go my_test/test.pb.go.golden
nuke: clean
testbuild: buildprotos
go test
buildprotos:
# Invoke protoc once to generate three independent .pb.go files in the same package.
protoc --go_out=. multi/multi{1,2,3}.proto
#extension_test: extension_test.$O
# $(LD) -L. -o $@ $<
#multi.a: multi3.pb.$O multi2.pb.$O multi1.pb.$O
# rm -f multi.a
# $(QUOTED_GOBIN)/gopack grc $@ $<
#test.pb.go: imp.pb.go
#multi1.pb.go: multi2.pb.go multi3.pb.go
#main.$O: imp.pb.$O test.pb.$O multi.a
#extension_test.$O: extension_base.pb.$O extension_extra.pb.$O extension_user.pb.$O

44
third_party/code.google.com/p/goprotobuf/protoc-gen-go/testdata/extension_base.proto vendored Normal file
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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 extension_base;
message BaseMessage {
optional int32 height = 1;
extensions 4 to 9;
extensions 16 to max;
}
// Another message that may be extended, using message_set_wire_format.
message OldStyleMessage {
option message_set_wire_format = true;
extensions 100 to max;
}

38
third_party/code.google.com/p/goprotobuf/protoc-gen-go/testdata/extension_extra.proto vendored Normal file
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@ -0,0 +1,38 @@
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2011 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
syntax = "proto2";
package extension_extra;
message ExtraMessage {
optional int32 width = 1;
}

210
third_party/code.google.com/p/goprotobuf/protoc-gen-go/testdata/extension_test.go vendored Normal file
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@ -0,0 +1,210 @@
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
// Test that we can use protocol buffers that use extensions.
package testdata
/*
import (
"bytes"
"regexp"
"testing"
"code.google.com/p/goprotobuf/proto"
base "extension_base.pb"
user "extension_user.pb"
)
func TestSingleFieldExtension(t *testing.T) {
bm := &base.BaseMessage{
Height: proto.Int32(178),
}
// Use extension within scope of another type.
vol := proto.Uint32(11)
err := proto.SetExtension(bm, user.E_LoudMessage_Volume, vol)
if err != nil {
t.Fatal("Failed setting extension:", err)
}
buf, err := proto.Marshal(bm)
if err != nil {
t.Fatal("Failed encoding message with extension:", err)
}
bm_new := new(base.BaseMessage)
if err := proto.Unmarshal(buf, bm_new); err != nil {
t.Fatal("Failed decoding message with extension:", err)
}
if !proto.HasExtension(bm_new, user.E_LoudMessage_Volume) {
t.Fatal("Decoded message didn't contain extension.")
}
vol_out, err := proto.GetExtension(bm_new, user.E_LoudMessage_Volume)
if err != nil {
t.Fatal("Failed getting extension:", err)
}
if v := vol_out.(*uint32); *v != *vol {
t.Errorf("vol_out = %v, expected %v", *v, *vol)
}
proto.ClearExtension(bm_new, user.E_LoudMessage_Volume)
if proto.HasExtension(bm_new, user.E_LoudMessage_Volume) {
t.Fatal("Failed clearing extension.")
}
}
func TestMessageExtension(t *testing.T) {
bm := &base.BaseMessage{
Height: proto.Int32(179),
}
// Use extension that is itself a message.
um := &user.UserMessage{
Name: proto.String("Dave"),
Rank: proto.String("Major"),
}
err := proto.SetExtension(bm, user.E_LoginMessage_UserMessage, um)
if err != nil {
t.Fatal("Failed setting extension:", err)
}
buf, err := proto.Marshal(bm)
if err != nil {
t.Fatal("Failed encoding message with extension:", err)
}
bm_new := new(base.BaseMessage)
if err := proto.Unmarshal(buf, bm_new); err != nil {
t.Fatal("Failed decoding message with extension:", err)
}
if !proto.HasExtension(bm_new, user.E_LoginMessage_UserMessage) {
t.Fatal("Decoded message didn't contain extension.")
}
um_out, err := proto.GetExtension(bm_new, user.E_LoginMessage_UserMessage)
if err != nil {
t.Fatal("Failed getting extension:", err)
}
if n := um_out.(*user.UserMessage).Name; *n != *um.Name {
t.Errorf("um_out.Name = %q, expected %q", *n, *um.Name)
}
if r := um_out.(*user.UserMessage).Rank; *r != *um.Rank {
t.Errorf("um_out.Rank = %q, expected %q", *r, *um.Rank)
}
proto.ClearExtension(bm_new, user.E_LoginMessage_UserMessage)
if proto.HasExtension(bm_new, user.E_LoginMessage_UserMessage) {
t.Fatal("Failed clearing extension.")
}
}
func TestTopLevelExtension(t *testing.T) {
bm := &base.BaseMessage{
Height: proto.Int32(179),
}
width := proto.Int32(17)
err := proto.SetExtension(bm, user.E_Width, width)
if err != nil {
t.Fatal("Failed setting extension:", err)
}
buf, err := proto.Marshal(bm)
if err != nil {
t.Fatal("Failed encoding message with extension:", err)
}
bm_new := new(base.BaseMessage)
if err := proto.Unmarshal(buf, bm_new); err != nil {
t.Fatal("Failed decoding message with extension:", err)
}
if !proto.HasExtension(bm_new, user.E_Width) {
t.Fatal("Decoded message didn't contain extension.")
}
width_out, err := proto.GetExtension(bm_new, user.E_Width)
if err != nil {
t.Fatal("Failed getting extension:", err)
}
if w := width_out.(*int32); *w != *width {
t.Errorf("width_out = %v, expected %v", *w, *width)
}
proto.ClearExtension(bm_new, user.E_Width)
if proto.HasExtension(bm_new, user.E_Width) {
t.Fatal("Failed clearing extension.")
}
}
func TestMessageSetWireFormat(t *testing.T) {
osm := new(base.OldStyleMessage)
osp := &user.OldStyleParcel{
Name: proto.String("Dave"),
Height: proto.Int32(178),
}
err := proto.SetExtension(osm, user.E_OldStyleParcel_MessageSetExtension, osp)
if err != nil {
t.Fatal("Failed setting extension:", err)
}
buf, err := proto.Marshal(osm)
if err != nil {
t.Fatal("Failed encoding message:", err)
}
// Data generated from Python implementation.
expected := []byte{
11, 16, 209, 15, 26, 9, 10, 4, 68, 97, 118, 101, 16, 178, 1, 12,
}
if !bytes.Equal(expected, buf) {
t.Errorf("Encoding mismatch.\nwant %+v\n got %+v", expected, buf)
}
// Check that it is restored correctly.
osm = new(base.OldStyleMessage)
if err := proto.Unmarshal(buf, osm); err != nil {
t.Fatal("Failed decoding message:", err)
}
osp_out, err := proto.GetExtension(osm, user.E_OldStyleParcel_MessageSetExtension)
if err != nil {
t.Fatal("Failed getting extension:", err)
}
osp = osp_out.(*user.OldStyleParcel)
if *osp.Name != "Dave" || *osp.Height != 178 {
t.Errorf("Retrieved extension from decoded message is not correct: %+v", osp)
}
}
func main() {
// simpler than rigging up gotest
testing.Main(regexp.MatchString, []testing.InternalTest{
{"TestSingleFieldExtension", TestSingleFieldExtension},
{"TestMessageExtension", TestMessageExtension},
{"TestTopLevelExtension", TestTopLevelExtension},
},
[]testing.InternalBenchmark{},
[]testing.InternalExample{})
}
*/

98
third_party/code.google.com/p/goprotobuf/protoc-gen-go/testdata/extension_user.proto vendored Normal file
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@ -0,0 +1,98 @@
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
import "extension_base.proto";
import "extension_extra.proto";
package extension_user;
message UserMessage {
optional string name = 1;
optional string rank = 2;
}
// Extend with a message
extend extension_base.BaseMessage {
optional UserMessage user_message = 5;
}
// Extend with a foreign message
extend extension_base.BaseMessage {
optional extension_extra.ExtraMessage extra_message = 9;
}
// Extend with some primitive types
extend extension_base.BaseMessage {
optional int32 width = 6;
optional int64 area = 7;
}
// Extend inside the scope of another type
message LoudMessage {
extend extension_base.BaseMessage {
optional uint32 volume = 8;
}
extensions 100 to max;
}
// Extend inside the scope of another type, using a message.
message LoginMessage {
extend extension_base.BaseMessage {
required UserMessage user_message = 16;
}
}
// Extend with a repeated field
extend extension_base.BaseMessage {
repeated Detail detail = 17;
}
message Detail {
optional string color = 1;
}
// An extension of an extension
message Announcement {
optional string words = 1;
extend LoudMessage {
optional Announcement loud_ext = 100;
}
}
// Something that can be put in a message set.
message OldStyleParcel {
extend extension_base.OldStyleMessage {
optional OldStyleParcel message_set_extension = 2001;
}
required string name = 1;
optional int32 height = 2;
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2012 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
// Verify that the compiler output for test.proto is unchanged.
package testdata
import (
"crypto/sha1"
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"testing"
)
// sum returns in string form (for easy comparison) the SHA-1 hash of the named file.
func sum(t *testing.T, name string) string {
data, err := ioutil.ReadFile(name)
if err != nil {
t.Fatal(err)
}
t.Logf("sum(%q): length is %d", name, len(data))
hash := sha1.New()
_, err = hash.Write(data)
if err != nil {
t.Fatal(err)
}
return fmt.Sprintf("% x", hash.Sum(nil))
}
func run(t *testing.T, name string, args ...string) {
cmd := exec.Command(name, args...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err := cmd.Run()
if err != nil {
t.Fatal(err)
}
}
func TestGolden(t *testing.T) {
// Compute the original checksum.
goldenSum := sum(t, "my_test/test.pb.go")
// Run the proto compiler.
run(t, "protoc", "--go_out="+os.TempDir(), "my_test/test.proto")
newFile := filepath.Join(os.TempDir(), "my_test/test.pb.go")
defer os.Remove(newFile)
// Compute the new checksum.
newSum := sum(t, newFile)
// Verify
if newSum != goldenSum {
run(t, "diff", "-u", "my_test/test.pb.go", newFile)
t.Fatal("Code generated by protoc-gen-go has changed; update test.pb.go")
}
}

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// Code generated by protoc-gen-go.
// source: imp.proto
// DO NOT EDIT!
package imp
import proto "code.google.com/p/goprotobuf/proto"
import "math"
import "os"
import imp1 "imp2.pb"
// Reference proto & math imports to suppress error if they are not otherwise used.
var _ = proto.GetString
var _ = math.Inf
// Types from public import imp2.proto
type PubliclyImportedMessage imp1.PubliclyImportedMessage
func (this *PubliclyImportedMessage) Reset() { (*imp1.PubliclyImportedMessage)(this).Reset() }
func (this *PubliclyImportedMessage) String() string {
return (*imp1.PubliclyImportedMessage)(this).String()
}
// PubliclyImportedMessage from public import imp.proto
type ImportedMessage_Owner int32
const (
ImportedMessage_DAVE ImportedMessage_Owner = 1
ImportedMessage_MIKE ImportedMessage_Owner = 2
)
var ImportedMessage_Owner_name = map[int32]string{
1: "DAVE",
2: "MIKE",
}
var ImportedMessage_Owner_value = map[string]int32{
"DAVE": 1,
"MIKE": 2,
}
// NewImportedMessage_Owner is deprecated. Use x.Enum() instead.
func NewImportedMessage_Owner(x ImportedMessage_Owner) *ImportedMessage_Owner {
e := ImportedMessage_Owner(x)
return &e
}
func (x ImportedMessage_Owner) Enum() *ImportedMessage_Owner {
p := new(ImportedMessage_Owner)
*p = x
return p
}
func (x ImportedMessage_Owner) String() string {
return proto.EnumName(ImportedMessage_Owner_name, int32(x))
}
type ImportedMessage struct {
Field *int64 `protobuf:"varint,1,req,name=field" json:"field,omitempty"`
XXX_extensions map[int32][]byte `json:",omitempty"`
XXX_unrecognized []byte `json:",omitempty"`
}
func (this *ImportedMessage) Reset() { *this = ImportedMessage{} }
func (this *ImportedMessage) String() string { return proto.CompactTextString(this) }
var extRange_ImportedMessage = []proto.ExtensionRange{
proto.ExtensionRange{90, 100},
}
func (*ImportedMessage) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_ImportedMessage
}
func (this *ImportedMessage) ExtensionMap() map[int32][]byte {
if this.XXX_extensions == nil {
this.XXX_extensions = make(map[int32][]byte)
}
return this.XXX_extensions
}
type ImportedExtendable struct {
XXX_extensions map[int32][]byte `json:",omitempty"`
XXX_unrecognized []byte `json:",omitempty"`
}
func (this *ImportedExtendable) Reset() { *this = ImportedExtendable{} }
func (this *ImportedExtendable) String() string { return proto.CompactTextString(this) }
func (this *ImportedExtendable) Marshal() ([]byte, error) {
return proto.MarshalMessageSet(this.ExtensionMap())
}
func (this *ImportedExtendable) Unmarshal(buf []byte) error {
return proto.UnmarshalMessageSet(buf, this.ExtensionMap())
}
// ensure ImportedExtendable satisfies proto.Marshaler and proto.Unmarshaler
var _ proto.Marshaler = (*ImportedExtendable)(nil)
var _ proto.Unmarshaler = (*ImportedExtendable)(nil)
var extRange_ImportedExtendable = []proto.ExtensionRange{
proto.ExtensionRange{100, 536870911},
}
func (*ImportedExtendable) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_ImportedExtendable
}
func (this *ImportedExtendable) ExtensionMap() map[int32][]byte {
if this.XXX_extensions == nil {
this.XXX_extensions = make(map[int32][]byte)
}
return this.XXX_extensions
}
func init() {
proto.RegisterEnum("imp.ImportedMessage_Owner", ImportedMessage_Owner_name, ImportedMessage_Owner_value)
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 imp;
import "imp2.proto";
import "imp3.proto";
message ImportedMessage {
required int64 field = 1;
// The forwarded getters for these fields are fiddly to get right.
optional ImportedMessage2 local_msg = 2;
optional ForeignImportedMessage foreign_msg = 3; // in imp3.proto
optional Owner enum_field = 4;
repeated string name = 5;
repeated Owner boss = 6;
repeated ImportedMessage2 memo = 7;
enum Owner {
DAVE = 1;
MIKE = 2;
}
extensions 90 to 100;
}
message ImportedMessage2 {
}
message ImportedExtendable {
option message_set_wire_format = true;
extensions 100 to max;
}

35
third_party/code.google.com/p/goprotobuf/protoc-gen-go/testdata/imp2.proto vendored Normal file
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//
// Copyright 2011 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 imp;
message PubliclyImportedMessage {
optional int64 field = 1;
}

35
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//
// Copyright 2012 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 imp;
message ForeignImportedMessage {
optional string tuber = 1;
}

46
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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
// A simple binary to link together the protocol buffers in this test.
package testdata
import (
"testing"
"./multi"
"./my_test"
)
func TestLink(t *testing.T) {
_ = &multi.Multi1{}
_ = &my_test.Request{}
}

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third_party/code.google.com/p/goprotobuf/protoc-gen-go/testdata/multi/multi1.proto vendored Normal file
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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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.
import "multi/multi2.proto";
import "multi/multi3.proto";
package multi;
message Multi1 {
required Multi2 multi2 = 1;
optional Multi2.Color color = 2;
optional Multi3.HatType hat_type = 3;
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 multi;
message Multi2 {
required int32 required_value = 1;
enum Color {
BLUE = 1;
GREEN = 2;
RED = 3;
};
optional Color color = 2;
}

41
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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 multi;
message Multi3 {
enum HatType {
FEDORA = 1;
FEZ = 2;
};
optional HatType hat_type = 1;
}

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third_party/code.google.com/p/goprotobuf/protoc-gen-go/testdata/my_test/test.pb.go vendored Normal file
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// Code generated by protoc-gen-go.
// source: my_test/test.proto
// DO NOT EDIT!
package my_test
import proto "code.google.com/p/goprotobuf/proto"
import json "encoding/json"
import math "math"
// discarding unused import multi2 "multi/multi1.pb"
// Reference proto, json, and math imports to suppress error if they are not otherwise used.
var _ = proto.Marshal
var _ = &json.SyntaxError{}
var _ = math.Inf
type HatType int32
const (
// deliberately skipping 0
HatType_FEDORA HatType = 1
HatType_FEZ HatType = 2
)
var HatType_name = map[int32]string{
1: "FEDORA",
2: "FEZ",
}
var HatType_value = map[string]int32{
"FEDORA": 1,
"FEZ": 2,
}
func (x HatType) Enum() *HatType {
p := new(HatType)
*p = x
return p
}
func (x HatType) String() string {
return proto.EnumName(HatType_name, int32(x))
}
func (x HatType) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *HatType) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(HatType_value, data, "HatType")
if err != nil {
return err
}
*x = HatType(value)
return nil
}
// This enum represents days of the week.
type Days int32
const (
Days_MONDAY Days = 1
Days_TUESDAY Days = 2
Days_LUNDI Days = 1
)
var Days_name = map[int32]string{
1: "MONDAY",
2: "TUESDAY",
// Duplicate value: 1: "LUNDI",
}
var Days_value = map[string]int32{
"MONDAY": 1,
"TUESDAY": 2,
"LUNDI": 1,
}
func (x Days) Enum() *Days {
p := new(Days)
*p = x
return p
}
func (x Days) String() string {
return proto.EnumName(Days_name, int32(x))
}
func (x Days) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *Days) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(Days_value, data, "Days")
if err != nil {
return err
}
*x = Days(value)
return nil
}
type Request_Color int32
const (
Request_RED Request_Color = 0
Request_GREEN Request_Color = 1
Request_BLUE Request_Color = 2
)
var Request_Color_name = map[int32]string{
0: "RED",
1: "GREEN",
2: "BLUE",
}
var Request_Color_value = map[string]int32{
"RED": 0,
"GREEN": 1,
"BLUE": 2,
}
func (x Request_Color) Enum() *Request_Color {
p := new(Request_Color)
*p = x
return p
}
func (x Request_Color) String() string {
return proto.EnumName(Request_Color_name, int32(x))
}
func (x Request_Color) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *Request_Color) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(Request_Color_value, data, "Request_Color")
if err != nil {
return err
}
*x = Request_Color(value)
return nil
}
type Reply_Entry_Game int32
const (
Reply_Entry_FOOTBALL Reply_Entry_Game = 1
Reply_Entry_TENNIS Reply_Entry_Game = 2
)
var Reply_Entry_Game_name = map[int32]string{
1: "FOOTBALL",
2: "TENNIS",
}
var Reply_Entry_Game_value = map[string]int32{
"FOOTBALL": 1,
"TENNIS": 2,
}
func (x Reply_Entry_Game) Enum() *Reply_Entry_Game {
p := new(Reply_Entry_Game)
*p = x
return p
}
func (x Reply_Entry_Game) String() string {
return proto.EnumName(Reply_Entry_Game_name, int32(x))
}
func (x Reply_Entry_Game) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *Reply_Entry_Game) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(Reply_Entry_Game_value, data, "Reply_Entry_Game")
if err != nil {
return err
}
*x = Reply_Entry_Game(value)
return nil
}
// This is a message that might be sent somewhere.
type Request struct {
Key []int64 `protobuf:"varint,1,rep,name=key" json:"key,omitempty"`
// optional imp.ImportedMessage imported_message = 2;
Hue *Request_Color `protobuf:"varint,3,opt,name=hue,enum=my.test.Request_Color" json:"hue,omitempty"`
Hat *HatType `protobuf:"varint,4,opt,name=hat,enum=my.test.HatType,def=1" json:"hat,omitempty"`
// optional imp.ImportedMessage.Owner owner = 6;
Deadline *float32 `protobuf:"fixed32,7,opt,name=deadline,def=inf" json:"deadline,omitempty"`
Somegroup *Request_SomeGroup `protobuf:"group,8,opt,name=SomeGroup" json:"somegroup,omitempty"`
Reset_ *int32 `protobuf:"varint,12,opt,name=reset" json:"reset,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Request) Reset() { *m = Request{} }
func (m *Request) String() string { return proto.CompactTextString(m) }
func (*Request) ProtoMessage() {}
const Default_Request_Hat HatType = HatType_FEDORA
var Default_Request_Deadline float32 = float32(math.Inf(1))
func (m *Request) GetKey() []int64 {
if m != nil {
return m.Key
}
return nil
}
func (m *Request) GetHue() Request_Color {
if m != nil && m.Hue != nil {
return *m.Hue
}
return 0
}
func (m *Request) GetHat() HatType {
if m != nil && m.Hat != nil {
return *m.Hat
}
return Default_Request_Hat
}
func (m *Request) GetDeadline() float32 {
if m != nil && m.Deadline != nil {
return *m.Deadline
}
return Default_Request_Deadline
}
func (m *Request) GetSomegroup() *Request_SomeGroup {
if m != nil {
return m.Somegroup
}
return nil
}
func (m *Request) GetReset_() int32 {
if m != nil && m.Reset_ != nil {
return *m.Reset_
}
return 0
}
type Request_SomeGroup struct {
GroupField *int32 `protobuf:"varint,9,opt,name=group_field" json:"group_field,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Request_SomeGroup) Reset() { *m = Request_SomeGroup{} }
func (m *Request_SomeGroup) String() string { return proto.CompactTextString(m) }
func (*Request_SomeGroup) ProtoMessage() {}
func (m *Request_SomeGroup) GetGroupField() int32 {
if m != nil && m.GroupField != nil {
return *m.GroupField
}
return 0
}
type Reply struct {
Found []*Reply_Entry `protobuf:"bytes,1,rep,name=found" json:"found,omitempty"`
CompactKeys []int32 `protobuf:"varint,2,rep,packed,name=compact_keys" json:"compact_keys,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Reply) Reset() { *m = Reply{} }
func (m *Reply) String() string { return proto.CompactTextString(m) }
func (*Reply) ProtoMessage() {}
var extRange_Reply = []proto.ExtensionRange{
{100, 536870911},
}
func (*Reply) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_Reply
}
func (m *Reply) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
func (m *Reply) GetFound() []*Reply_Entry {
if m != nil {
return m.Found
}
return nil
}
func (m *Reply) GetCompactKeys() []int32 {
if m != nil {
return m.CompactKeys
}
return nil
}
type Reply_Entry struct {
KeyThatNeeds_1234Camel_CasIng *int64 `protobuf:"varint,1,req,name=key_that_needs_1234camel_CasIng" json:"key_that_needs_1234camel_CasIng,omitempty"`
Value *int64 `protobuf:"varint,2,opt,name=value,def=7" json:"value,omitempty"`
XMyFieldName_2 *int64 `protobuf:"varint,3,opt,name=_my_field_name_2" json:"_my_field_name_2,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Reply_Entry) Reset() { *m = Reply_Entry{} }
func (m *Reply_Entry) String() string { return proto.CompactTextString(m) }
func (*Reply_Entry) ProtoMessage() {}
const Default_Reply_Entry_Value int64 = 7
func (m *Reply_Entry) GetKeyThatNeeds_1234Camel_CasIng() int64 {
if m != nil && m.KeyThatNeeds_1234Camel_CasIng != nil {
return *m.KeyThatNeeds_1234Camel_CasIng
}
return 0
}
func (m *Reply_Entry) GetValue() int64 {
if m != nil && m.Value != nil {
return *m.Value
}
return Default_Reply_Entry_Value
}
func (m *Reply_Entry) GetXMyFieldName_2() int64 {
if m != nil && m.XMyFieldName_2 != nil {
return *m.XMyFieldName_2
}
return 0
}
type ReplyExtensions struct {
XXX_unrecognized []byte `json:"-"`
}
func (m *ReplyExtensions) Reset() { *m = ReplyExtensions{} }
func (m *ReplyExtensions) String() string { return proto.CompactTextString(m) }
func (*ReplyExtensions) ProtoMessage() {}
var E_ReplyExtensions_Time = &proto.ExtensionDesc{
ExtendedType: (*Reply)(nil),
ExtensionType: (*float64)(nil),
Field: 101,
Name: "my.test.ReplyExtensions.time",
Tag: "fixed64,101,opt,name=time",
}
type OldReply struct {
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *OldReply) Reset() { *m = OldReply{} }
func (m *OldReply) String() string { return proto.CompactTextString(m) }
func (*OldReply) ProtoMessage() {}
func (m *OldReply) Marshal() ([]byte, error) {
return proto.MarshalMessageSet(m.ExtensionMap())
}
func (m *OldReply) Unmarshal(buf []byte) error {
return proto.UnmarshalMessageSet(buf, m.ExtensionMap())
}
// ensure OldReply satisfies proto.Marshaler and proto.Unmarshaler
var _ proto.Marshaler = (*OldReply)(nil)
var _ proto.Unmarshaler = (*OldReply)(nil)
var extRange_OldReply = []proto.ExtensionRange{
{100, 2147483646},
}
func (*OldReply) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_OldReply
}
func (m *OldReply) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
var E_Tag = &proto.ExtensionDesc{
ExtendedType: (*Reply)(nil),
ExtensionType: (*string)(nil),
Field: 103,
Name: "my.test.tag",
Tag: "bytes,103,opt,name=tag",
}
func init() {
proto.RegisterEnum("my.test.HatType", HatType_name, HatType_value)
proto.RegisterEnum("my.test.Days", Days_name, Days_value)
proto.RegisterEnum("my.test.Request_Color", Request_Color_name, Request_Color_value)
proto.RegisterEnum("my.test.Reply_Entry_Game", Reply_Entry_Game_name, Reply_Entry_Game_value)
proto.RegisterExtension(E_ReplyExtensions_Time)
proto.RegisterExtension(E_Tag)
}

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// Code generated by protoc-gen-go.
// source: my_test/test.proto
// DO NOT EDIT!
package my_test
import proto "code.google.com/p/goprotobuf/proto"
import json "encoding/json"
import math "math"
// discarding unused import multi2 "multi/multi1.pb"
// Reference proto, json, and math imports to suppress error if they are not otherwise used.
var _ = proto.Marshal
var _ = &json.SyntaxError{}
var _ = math.Inf
type HatType int32
const (
// deliberately skipping 0
HatType_FEDORA HatType = 1
HatType_FEZ HatType = 2
)
var HatType_name = map[int32]string{
1: "FEDORA",
2: "FEZ",
}
var HatType_value = map[string]int32{
"FEDORA": 1,
"FEZ": 2,
}
func (x HatType) Enum() *HatType {
p := new(HatType)
*p = x
return p
}
func (x HatType) String() string {
return proto.EnumName(HatType_name, int32(x))
}
func (x HatType) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *HatType) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(HatType_value, data, "HatType")
if err != nil {
return err
}
*x = HatType(value)
return nil
}
// This enum represents days of the week.
type Days int32
const (
Days_MONDAY Days = 1
Days_TUESDAY Days = 2
Days_LUNDI Days = 1
)
var Days_name = map[int32]string{
1: "MONDAY",
2: "TUESDAY",
// Duplicate value: 1: "LUNDI",
}
var Days_value = map[string]int32{
"MONDAY": 1,
"TUESDAY": 2,
"LUNDI": 1,
}
func (x Days) Enum() *Days {
p := new(Days)
*p = x
return p
}
func (x Days) String() string {
return proto.EnumName(Days_name, int32(x))
}
func (x Days) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *Days) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(Days_value, data, "Days")
if err != nil {
return err
}
*x = Days(value)
return nil
}
type Request_Color int32
const (
Request_RED Request_Color = 0
Request_GREEN Request_Color = 1
Request_BLUE Request_Color = 2
)
var Request_Color_name = map[int32]string{
0: "RED",
1: "GREEN",
2: "BLUE",
}
var Request_Color_value = map[string]int32{
"RED": 0,
"GREEN": 1,
"BLUE": 2,
}
func (x Request_Color) Enum() *Request_Color {
p := new(Request_Color)
*p = x
return p
}
func (x Request_Color) String() string {
return proto.EnumName(Request_Color_name, int32(x))
}
func (x Request_Color) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *Request_Color) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(Request_Color_value, data, "Request_Color")
if err != nil {
return err
}
*x = Request_Color(value)
return nil
}
type Reply_Entry_Game int32
const (
Reply_Entry_FOOTBALL Reply_Entry_Game = 1
Reply_Entry_TENNIS Reply_Entry_Game = 2
)
var Reply_Entry_Game_name = map[int32]string{
1: "FOOTBALL",
2: "TENNIS",
}
var Reply_Entry_Game_value = map[string]int32{
"FOOTBALL": 1,
"TENNIS": 2,
}
func (x Reply_Entry_Game) Enum() *Reply_Entry_Game {
p := new(Reply_Entry_Game)
*p = x
return p
}
func (x Reply_Entry_Game) String() string {
return proto.EnumName(Reply_Entry_Game_name, int32(x))
}
func (x Reply_Entry_Game) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *Reply_Entry_Game) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(Reply_Entry_Game_value, data, "Reply_Entry_Game")
if err != nil {
return err
}
*x = Reply_Entry_Game(value)
return nil
}
// This is a message that might be sent somewhere.
type Request struct {
Key []int64 `protobuf:"varint,1,rep,name=key" json:"key,omitempty"`
// optional imp.ImportedMessage imported_message = 2;
Hue *Request_Color `protobuf:"varint,3,opt,name=hue,enum=my.test.Request_Color" json:"hue,omitempty"`
Hat *HatType `protobuf:"varint,4,opt,name=hat,enum=my.test.HatType,def=1" json:"hat,omitempty"`
// optional imp.ImportedMessage.Owner owner = 6;
Deadline *float32 `protobuf:"fixed32,7,opt,name=deadline,def=inf" json:"deadline,omitempty"`
Somegroup *Request_SomeGroup `protobuf:"group,8,opt,name=SomeGroup" json:"somegroup,omitempty"`
Reset_ *int32 `protobuf:"varint,12,opt,name=reset" json:"reset,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Request) Reset() { *m = Request{} }
func (m *Request) String() string { return proto.CompactTextString(m) }
func (*Request) ProtoMessage() {}
const Default_Request_Hat HatType = HatType_FEDORA
var Default_Request_Deadline float32 = float32(math.Inf(1))
func (m *Request) GetKey() []int64 {
if m != nil {
return m.Key
}
return nil
}
func (m *Request) GetHue() Request_Color {
if m != nil && m.Hue != nil {
return *m.Hue
}
return 0
}
func (m *Request) GetHat() HatType {
if m != nil && m.Hat != nil {
return *m.Hat
}
return Default_Request_Hat
}
func (m *Request) GetDeadline() float32 {
if m != nil && m.Deadline != nil {
return *m.Deadline
}
return Default_Request_Deadline
}
func (m *Request) GetSomegroup() *Request_SomeGroup {
if m != nil {
return m.Somegroup
}
return nil
}
func (m *Request) GetReset_() int32 {
if m != nil && m.Reset_ != nil {
return *m.Reset_
}
return 0
}
type Request_SomeGroup struct {
GroupField *int32 `protobuf:"varint,9,opt,name=group_field" json:"group_field,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Request_SomeGroup) Reset() { *m = Request_SomeGroup{} }
func (m *Request_SomeGroup) String() string { return proto.CompactTextString(m) }
func (*Request_SomeGroup) ProtoMessage() {}
func (m *Request_SomeGroup) GetGroupField() int32 {
if m != nil && m.GroupField != nil {
return *m.GroupField
}
return 0
}
type Reply struct {
Found []*Reply_Entry `protobuf:"bytes,1,rep,name=found" json:"found,omitempty"`
CompactKeys []int32 `protobuf:"varint,2,rep,packed,name=compact_keys" json:"compact_keys,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Reply) Reset() { *m = Reply{} }
func (m *Reply) String() string { return proto.CompactTextString(m) }
func (*Reply) ProtoMessage() {}
var extRange_Reply = []proto.ExtensionRange{
{100, 536870911},
}
func (*Reply) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_Reply
}
func (m *Reply) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
func (m *Reply) GetFound() []*Reply_Entry {
if m != nil {
return m.Found
}
return nil
}
func (m *Reply) GetCompactKeys() []int32 {
if m != nil {
return m.CompactKeys
}
return nil
}
type Reply_Entry struct {
KeyThatNeeds_1234Camel_CasIng *int64 `protobuf:"varint,1,req,name=key_that_needs_1234camel_CasIng" json:"key_that_needs_1234camel_CasIng,omitempty"`
Value *int64 `protobuf:"varint,2,opt,name=value,def=7" json:"value,omitempty"`
XMyFieldName_2 *int64 `protobuf:"varint,3,opt,name=_my_field_name_2" json:"_my_field_name_2,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *Reply_Entry) Reset() { *m = Reply_Entry{} }
func (m *Reply_Entry) String() string { return proto.CompactTextString(m) }
func (*Reply_Entry) ProtoMessage() {}
const Default_Reply_Entry_Value int64 = 7
func (m *Reply_Entry) GetKeyThatNeeds_1234Camel_CasIng() int64 {
if m != nil && m.KeyThatNeeds_1234Camel_CasIng != nil {
return *m.KeyThatNeeds_1234Camel_CasIng
}
return 0
}
func (m *Reply_Entry) GetValue() int64 {
if m != nil && m.Value != nil {
return *m.Value
}
return Default_Reply_Entry_Value
}
func (m *Reply_Entry) GetXMyFieldName_2() int64 {
if m != nil && m.XMyFieldName_2 != nil {
return *m.XMyFieldName_2
}
return 0
}
type ReplyExtensions struct {
XXX_unrecognized []byte `json:"-"`
}
func (m *ReplyExtensions) Reset() { *m = ReplyExtensions{} }
func (m *ReplyExtensions) String() string { return proto.CompactTextString(m) }
func (*ReplyExtensions) ProtoMessage() {}
var E_ReplyExtensions_Time = &proto.ExtensionDesc{
ExtendedType: (*Reply)(nil),
ExtensionType: (*float64)(nil),
Field: 101,
Name: "my.test.ReplyExtensions.time",
Tag: "fixed64,101,opt,name=time",
}
type OldReply struct {
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *OldReply) Reset() { *m = OldReply{} }
func (m *OldReply) String() string { return proto.CompactTextString(m) }
func (*OldReply) ProtoMessage() {}
func (m *OldReply) Marshal() ([]byte, error) {
return proto.MarshalMessageSet(m.ExtensionMap())
}
func (m *OldReply) Unmarshal(buf []byte) error {
return proto.UnmarshalMessageSet(buf, m.ExtensionMap())
}
// ensure OldReply satisfies proto.Marshaler and proto.Unmarshaler
var _ proto.Marshaler = (*OldReply)(nil)
var _ proto.Unmarshaler = (*OldReply)(nil)
var extRange_OldReply = []proto.ExtensionRange{
{100, 2147483646},
}
func (*OldReply) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_OldReply
}
func (m *OldReply) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
var E_Tag = &proto.ExtensionDesc{
ExtendedType: (*Reply)(nil),
ExtensionType: (*string)(nil),
Field: 103,
Name: "my.test.tag",
Tag: "bytes,103,opt,name=tag",
}
func init() {
proto.RegisterEnum("my.test.HatType", HatType_name, HatType_value)
proto.RegisterEnum("my.test.Days", Days_name, Days_value)
proto.RegisterEnum("my.test.Request_Color", Request_Color_name, Request_Color_value)
proto.RegisterEnum("my.test.Reply_Entry_Game", Reply_Entry_Game_name, Reply_Entry_Game_value)
proto.RegisterExtension(E_ReplyExtensions_Time)
proto.RegisterExtension(E_Tag)
}

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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// http://code.google.com/p/goprotobuf/
//
// 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 my.test; // dotted package name
//import "imp.proto";
import "multi/multi1.proto"; // unused import
enum HatType {
// deliberately skipping 0
FEDORA = 1;
FEZ = 2;
}
// This enum represents days of the week.
enum Days {
option allow_alias = true;
MONDAY = 1;
TUESDAY = 2;
LUNDI = 1; // same value as MONDAY
}
// This is a message that might be sent somewhere.
message Request {
enum Color {
RED = 0;
GREEN = 1;
BLUE = 2;
}
repeated int64 key = 1;
// optional imp.ImportedMessage imported_message = 2;
optional Color hue = 3;
optional HatType hat = 4 [default=FEDORA];
// optional imp.ImportedMessage.Owner owner = 6;
optional float deadline = 7 [default=inf];
optional group SomeGroup = 8 {
optional int32 group_field = 9;
}
// This foreign message type is in imp2.proto,
// which is publicly imported by imp.proto.
// optional imp.PubliclyImportedMessage pub = 10;
optional int32 reset = 12;
}
message Reply {
message Entry {
required int64 key_that_needs_1234camel_CasIng = 1;
optional int64 value = 2 [default=7];
optional int64 _my_field_name_2 = 3;
enum Game {
FOOTBALL = 1;
TENNIS = 2;
}
}
repeated Entry found = 1;
repeated int32 compact_keys = 2 [packed=true];
extensions 100 to max;
}
message ReplyExtensions {
extend Reply {
optional double time = 101;
}
}
// top-level extension
extend Reply {
optional string tag = 103;
}
message OldReply {
// Extensions will be encoded in MessageSet wire format.
option message_set_wire_format = true;
extensions 100 to max;
}