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Diffstat (limited to 'csharp/ProtocolBuffers/DynamicMessage.cs')
-rw-r--r-- | csharp/ProtocolBuffers/DynamicMessage.cs | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/csharp/ProtocolBuffers/DynamicMessage.cs b/csharp/ProtocolBuffers/DynamicMessage.cs deleted file mode 100644 index c05a274b..00000000 --- a/csharp/ProtocolBuffers/DynamicMessage.cs +++ /dev/null @@ -1,414 +0,0 @@ -// 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."); - } - } - } - } -} |