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1a290e9a0e
The MessageFieldTypes interface (if implemented by a MessageType) provides Go type information about the fields if they are an enum or message type. Change-Id: I68b20f5726377f6b0f2c20a8b6e45f9802b43f67 Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/236777 Reviewed-by: Damien Neil <dneil@google.com>
135 lines
3.6 KiB
Go
135 lines
3.6 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package irregular
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import (
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"google.golang.org/protobuf/encoding/prototext"
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"google.golang.org/protobuf/reflect/protodesc"
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pref "google.golang.org/protobuf/reflect/protoreflect"
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"google.golang.org/protobuf/runtime/protoiface"
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"google.golang.org/protobuf/types/descriptorpb"
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)
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type IrregularMessage struct {
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set bool
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value string
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}
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func (m *IrregularMessage) ProtoReflect() pref.Message { return (*message)(m) }
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type message IrregularMessage
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type messageType struct{}
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func (messageType) New() pref.Message { return &message{} }
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func (messageType) Zero() pref.Message { return (*message)(nil) }
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func (messageType) Descriptor() pref.MessageDescriptor { return fileDesc.Messages().Get(0) }
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func (m *message) New() pref.Message { return &message{} }
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func (m *message) Descriptor() pref.MessageDescriptor { return fileDesc.Messages().Get(0) }
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func (m *message) Type() pref.MessageType { return messageType{} }
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func (m *message) Interface() pref.ProtoMessage { return (*IrregularMessage)(m) }
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func (m *message) ProtoMethods() *protoiface.Methods { return nil }
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var fieldDescS = fileDesc.Messages().Get(0).Fields().Get(0)
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func (m *message) Range(f func(pref.FieldDescriptor, pref.Value) bool) {
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if m.set {
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f(fieldDescS, pref.ValueOf(m.value))
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}
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}
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func (m *message) Has(fd pref.FieldDescriptor) bool {
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if fd == fieldDescS {
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return m.set
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}
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panic("invalid field descriptor")
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}
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func (m *message) Clear(fd pref.FieldDescriptor) {
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if fd == fieldDescS {
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m.value = ""
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m.set = false
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return
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}
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panic("invalid field descriptor")
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}
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func (m *message) Get(fd pref.FieldDescriptor) pref.Value {
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if fd == fieldDescS {
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return pref.ValueOf(m.value)
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}
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panic("invalid field descriptor")
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}
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func (m *message) Set(fd pref.FieldDescriptor, v pref.Value) {
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if fd == fieldDescS {
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m.value = v.String()
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m.set = true
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return
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}
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panic("invalid field descriptor")
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}
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func (m *message) Mutable(pref.FieldDescriptor) pref.Value {
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panic("invalid field descriptor")
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}
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func (m *message) NewField(pref.FieldDescriptor) pref.Value {
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panic("invalid field descriptor")
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}
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func (m *message) WhichOneof(pref.OneofDescriptor) pref.FieldDescriptor {
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panic("invalid oneof descriptor")
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}
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func (m *message) GetUnknown() pref.RawFields { return nil }
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func (m *message) SetUnknown(pref.RawFields) { return }
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func (m *message) IsValid() bool {
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return m != nil
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}
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var fileDesc = func() pref.FileDescriptor {
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p := &descriptorpb.FileDescriptorProto{}
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if err := prototext.Unmarshal([]byte(descriptorText), p); err != nil {
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panic(err)
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}
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file, err := protodesc.NewFile(p, nil)
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if err != nil {
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panic(err)
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}
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return file
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}()
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func file_internal_testprotos_irregular_irregular_proto_init() { _ = fileDesc }
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const descriptorText = `
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name: "internal/testprotos/irregular/irregular.proto"
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package: "goproto.proto.thirdparty"
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message_type {
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name: "IrregularMessage"
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field {
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name: "s"
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number: 1
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label: LABEL_OPTIONAL
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type: TYPE_STRING
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json_name: "s"
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}
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}
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options {
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go_package: "google.golang.org/protobuf/internal/testprotos/irregular"
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}
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`
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type AberrantMessage int
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func (m AberrantMessage) ProtoMessage() {}
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func (m AberrantMessage) Reset() {}
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func (m AberrantMessage) String() string { return "" }
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func (m AberrantMessage) Marshal() ([]byte, error) { return nil, nil }
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func (m AberrantMessage) Unmarshal([]byte) error { return nil }
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