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-rw-r--r--csharp/ProtocolBuffers/DynamicMessage.cs414
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diff --git a/csharp/ProtocolBuffers/DynamicMessage.cs b/csharp/ProtocolBuffers/DynamicMessage.cs
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index c05a274b..00000000
--- a/csharp/ProtocolBuffers/DynamicMessage.cs
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-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.
-// http://code.google.com/p/protobuf/
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-using System;
-using System.Collections.Generic;
-using System.IO;
-using Google.ProtocolBuffers.Descriptors;
-
-namespace Google.ProtocolBuffers {
-
- /// <summary>
- /// An implementation of IMessage that can represent arbitrary types, given a MessageaDescriptor.
- /// </summary>
- public sealed class DynamicMessage : AbstractMessage<DynamicMessage, DynamicMessage.Builder> {
-
- private readonly MessageDescriptor type;
- private readonly FieldSet fields;
- private readonly UnknownFieldSet unknownFields;
- private int memoizedSize = -1;
-
- /// <summary>
- /// Creates a DynamicMessage with the given FieldSet.
- /// </summary>
- /// <param name="type"></param>
- /// <param name="fields"></param>
- /// <param name="unknownFields"></param>
- private DynamicMessage(MessageDescriptor type, FieldSet fields, UnknownFieldSet unknownFields) {
- this.type = type;
- this.fields = fields;
- this.unknownFields = unknownFields;
- }
-
- /// <summary>
- /// Returns a DynamicMessage representing the default instance of the given type.
- /// </summary>
- /// <param name="type"></param>
- /// <returns></returns>
- public static DynamicMessage GetDefaultInstance(MessageDescriptor type) {
- return new DynamicMessage(type, FieldSet.DefaultInstance, UnknownFieldSet.DefaultInstance);
- }
-
- /// <summary>
- /// Parses a message of the given type from the given stream.
- /// </summary>
- public static DynamicMessage ParseFrom(MessageDescriptor type, CodedInputStream input) {
- Builder builder = CreateBuilder(type);
- Builder dynamicBuilder = builder.MergeFrom(input);
- return dynamicBuilder.BuildParsed();
-
- }
-
- /// <summary>
- /// Parse a message of the given type from the given stream and extension registry.
- /// </summary>
- /// <param name="type"></param>
- /// <param name="input"></param>
- /// <param name="extensionRegistry"></param>
- /// <returns></returns>
- public static DynamicMessage ParseFrom(MessageDescriptor type, CodedInputStream input, ExtensionRegistry extensionRegistry) {
- Builder builder = CreateBuilder(type);
- Builder dynamicBuilder = builder.MergeFrom(input, extensionRegistry);
- return dynamicBuilder.BuildParsed();
- }
-
- /// <summary>
- /// Parses a message of the given type from the given stream.
- /// </summary>
- public static DynamicMessage ParseFrom(MessageDescriptor type, Stream input) {
- Builder builder = CreateBuilder(type);
- Builder dynamicBuilder = builder.MergeFrom(input);
- return dynamicBuilder.BuildParsed();
- }
-
- /// <summary>
- /// Parse a message of the given type from the given stream and extension registry.
- /// </summary>
- /// <param name="type"></param>
- /// <param name="input"></param>
- /// <param name="extensionRegistry"></param>
- /// <returns></returns>
- public static DynamicMessage ParseFrom(MessageDescriptor type, Stream input, ExtensionRegistry extensionRegistry) {
- Builder builder = CreateBuilder(type);
- Builder dynamicBuilder = builder.MergeFrom(input, extensionRegistry);
- return dynamicBuilder.BuildParsed();
- }
-
- /// <summary>
- /// Parse <paramref name="data"/> as a message of the given type and return it.
- /// </summary>
- public static DynamicMessage ParseFrom(MessageDescriptor type, ByteString data) {
- Builder builder = CreateBuilder(type);
- Builder dynamicBuilder = builder.MergeFrom(data);
- return dynamicBuilder.BuildParsed();
- }
-
- /// <summary>
- /// Parse <paramref name="data"/> as a message of the given type and return it.
- /// </summary>
- public static DynamicMessage ParseFrom(MessageDescriptor type, ByteString data, ExtensionRegistry extensionRegistry) {
- Builder builder = CreateBuilder(type);
- Builder dynamicBuilder = builder.MergeFrom(data, extensionRegistry);
- return dynamicBuilder.BuildParsed();
-
- }
-
- /// <summary>
- /// Parse <paramref name="data"/> as a message of the given type and return it.
- /// </summary>
- public static DynamicMessage ParseFrom(MessageDescriptor type, byte[] data) {
- Builder builder = CreateBuilder(type);
- Builder dynamicBuilder = builder.MergeFrom(data);
- return dynamicBuilder.BuildParsed();
- }
-
- /// <summary>
- /// Parse <paramref name="data"/> as a message of the given type and return it.
- /// </summary>
- public static DynamicMessage ParseFrom(MessageDescriptor type, byte[] data, ExtensionRegistry extensionRegistry) {
- Builder builder = CreateBuilder(type);
- Builder dynamicBuilder = builder.MergeFrom(data, extensionRegistry);
- return dynamicBuilder.BuildParsed();
- }
-
- /// <summary>
- /// Constructs a builder for the given type.
- /// </summary>
- public static Builder CreateBuilder(MessageDescriptor type) {
- return new Builder(type);
- }
-
- /// <summary>
- /// Constructs a builder for a message of the same type as <paramref name="prototype"/>,
- /// and initializes it with the same contents.
- /// </summary>
- /// <param name="prototype"></param>
- /// <returns></returns>
- public static Builder CreateBuilder(IMessage prototype) {
- return new Builder(prototype.DescriptorForType).MergeFrom(prototype);
- }
-
- // -----------------------------------------------------------------
- // Implementation of IMessage interface.
-
- public override MessageDescriptor DescriptorForType {
- get { return type; }
- }
-
- public override DynamicMessage DefaultInstanceForType {
- get { return GetDefaultInstance(type); }
- }
-
- public override IDictionary<FieldDescriptor, object> AllFields {
- get { return fields.AllFields; }
- }
-
- public override bool HasField(FieldDescriptor field) {
- VerifyContainingType(field);
- return fields.HasField(field);
- }
-
- public override object this[FieldDescriptor field] {
- get {
- VerifyContainingType(field);
- object result = fields[field];
- if (result == null) {
- result = GetDefaultInstance(field.MessageType);
- }
- return result;
- }
- }
-
- public override int GetRepeatedFieldCount(FieldDescriptor field) {
- VerifyContainingType(field);
- return fields.GetRepeatedFieldCount(field);
- }
-
- public override object this[FieldDescriptor field, int index] {
- get {
- VerifyContainingType(field);
- return fields[field, index];
- }
- }
-
- public override UnknownFieldSet UnknownFields {
- get { return unknownFields; }
- }
-
- public bool Initialized {
- get { return fields.IsInitializedWithRespectTo(type); }
- }
-
- public override void WriteTo(CodedOutputStream output) {
- fields.WriteTo(output);
- if (type.Options.MessageSetWireFormat) {
- unknownFields.WriteAsMessageSetTo(output);
- } else {
- unknownFields.WriteTo(output);
- }
- }
-
- public override int SerializedSize {
- get {
- int size = memoizedSize;
- if (size != -1) return size;
-
- size = fields.SerializedSize;
- if (type.Options.MessageSetWireFormat) {
- size += unknownFields.SerializedSizeAsMessageSet;
- } else {
- size += unknownFields.SerializedSize;
- }
-
- memoizedSize = size;
- return size;
- }
- }
-
- public override Builder CreateBuilderForType() {
- return new Builder(type);
- }
-
- /// <summary>
- /// Verifies that the field is a field of this message.
- /// </summary>
- private void VerifyContainingType(FieldDescriptor field) {
- if (field.ContainingType != type) {
- throw new ArgumentException("FieldDescriptor does not match message type.");
- }
- }
-
- /// <summary>
- /// Builder for dynamic messages. Instances are created with DynamicMessage.CreateBuilder.
- /// </summary>
- public sealed class Builder : AbstractBuilder<DynamicMessage, Builder> {
- private readonly MessageDescriptor type;
- private FieldSet fields;
- private UnknownFieldSet unknownFields;
-
- internal Builder(MessageDescriptor type) {
- this.type = type;
- this.fields = FieldSet.CreateInstance();
- this.unknownFields = UnknownFieldSet.DefaultInstance;
- }
-
- protected override Builder ThisBuilder {
- get { return this; }
- }
-
- public override Builder Clear() {
- fields.Clear();
- return this;
- }
-
- public override Builder MergeFrom(IMessage other) {
- if (other.DescriptorForType != type) {
- throw new ArgumentException("MergeFrom(IMessage) can only merge messages of the same type.");
- }
- fields.MergeFrom(other);
- return this;
- }
-
- public override Builder MergeFrom(DynamicMessage other) {
- if (other.DescriptorForType != type) {
- throw new ArgumentException("MergeFrom(IMessage) can only merge messages of the same type.");
- }
- fields.MergeFrom(other);
- return this;
- }
-
- public override DynamicMessage Build() {
- if (!IsInitialized) {
- throw new UninitializedMessageException(new DynamicMessage(type, fields, unknownFields));
- }
- return BuildPartial();
- }
-
- /// <summary>
- /// Helper for DynamicMessage.ParseFrom() methods to call. Throws
- /// InvalidProtocolBufferException
- /// </summary>
- /// <returns></returns>
- internal DynamicMessage BuildParsed() {
- if (!IsInitialized) {
- throw new UninitializedMessageException(new DynamicMessage(type, fields, unknownFields)).AsInvalidProtocolBufferException();
- }
- return BuildPartial();
- }
-
- public override DynamicMessage BuildPartial() {
- fields.MakeImmutable();
- DynamicMessage result = new DynamicMessage(type, fields, unknownFields);
- fields = null;
- unknownFields = null;
- return result;
- }
-
- public override Builder Clone() {
- Builder result = new Builder(type);
- result.fields.MergeFrom(fields);
- return result;
- }
-
- public override bool IsInitialized {
- get { return fields.IsInitializedWithRespectTo(type); }
- }
-
- public override Builder MergeFrom(CodedInputStream input, ExtensionRegistry extensionRegistry) {
- UnknownFieldSet.Builder unknownFieldsBuilder = UnknownFieldSet.CreateBuilder(unknownFields);
- unknownFieldsBuilder.MergeFrom(input, extensionRegistry, this);
- unknownFields = unknownFieldsBuilder.Build();
- return this;
- }
-
- public override MessageDescriptor DescriptorForType {
- get { return type; }
- }
-
- public override DynamicMessage DefaultInstanceForType {
- get { return GetDefaultInstance(type); }
- }
-
- public override IDictionary<FieldDescriptor, object> AllFields {
- get { return fields.AllFields; }
- }
-
- public override IBuilder CreateBuilderForField(FieldDescriptor field) {
- VerifyContainingType(field);
- if (field.MappedType != MappedType.Message) {
- throw new ArgumentException("CreateBuilderForField is only valid for fields with message type.");
- }
- return new Builder(field.MessageType);
- }
-
- public override bool HasField(FieldDescriptor field) {
- VerifyContainingType(field);
- return fields.HasField(field);
- }
-
- public override object this[FieldDescriptor field, int index] {
- get {
- VerifyContainingType(field);
- return fields[field, index];
- }
- set {
- VerifyContainingType(field);
- fields[field, index] = value;
- }
- }
-
- public override object this[FieldDescriptor field] {
- get {
- VerifyContainingType(field);
- object result = fields[field];
- if (result == null) {
- result = GetDefaultInstance(field.MessageType);
- }
- return result;
- }
- set {
- VerifyContainingType(field);
- fields[field] = value;
- }
- }
-
- public override Builder ClearField(FieldDescriptor field) {
- VerifyContainingType(field);
- fields.ClearField(field);
- return this;
- }
-
- public override int GetRepeatedFieldCount(FieldDescriptor field) {
- VerifyContainingType(field);
- return fields.GetRepeatedFieldCount(field);
- }
-
- public override Builder AddRepeatedField(FieldDescriptor field, object value) {
- VerifyContainingType(field);
- fields.AddRepeatedField(field, value);
- return this;
- }
-
- public override UnknownFieldSet UnknownFields {
- get {
- return unknownFields;
- }
- set {
- unknownFields = value;
- }
- }
-
- /// <summary>
- /// Verifies that the field is a field of this message.
- /// </summary>
- /// <param name="field"></param>
- private void VerifyContainingType(FieldDescriptor field) {
- if (field.ContainingType != type) {
- throw new ArgumentException("FieldDescriptor does not match message type.");
- }
- }
- }
- }
-}