#region Copyright notice and license | |
// Protocol Buffers - Google's data interchange format | |
// Copyright 2008 Google Inc. All rights reserved. | |
// http://github.com/jskeet/dotnet-protobufs/ | |
// Original C++/Java/Python code: | |
// http://code.google.com/p/protobuf/ | |
// | |
// Redistribution and use in source and binary forms, with or without | |
// modification, are permitted provided that the following conditions are | |
// met: | |
// | |
// * Redistributions of source code must retain the above copyright | |
// notice, this list of conditions and the following disclaimer. | |
// * Redistributions in binary form must reproduce the above | |
// copyright notice, this list of conditions and the following disclaimer | |
// in the documentation and/or other materials provided with the | |
// distribution. | |
// * Neither the name of Google Inc. nor the names of its | |
// contributors may be used to endorse or promote products derived from | |
// this software without specific prior written permission. | |
// | |
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
#endregion | |
using System; | |
using System.Collections.Generic; | |
using Google.ProtocolBuffers.Descriptors; | |
namespace Google.ProtocolBuffers | |
{ | |
public abstract partial class ExtendableBuilderLite<TMessage, TBuilder> : GeneratedBuilderLite<TMessage, TBuilder> | |
where TMessage : ExtendableMessageLite<TMessage, TBuilder> | |
where TBuilder : GeneratedBuilderLite<TMessage, TBuilder> | |
{ | |
protected ExtendableBuilderLite() | |
{ | |
} | |
/// <summary> | |
/// Checks if a singular extension is present | |
/// </summary> | |
public bool HasExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension) | |
{ | |
return MessageBeingBuilt.HasExtension(extension); | |
} | |
/// <summary> | |
/// Returns the number of elements in a repeated extension. | |
/// </summary> | |
public int GetExtensionCount<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension) | |
{ | |
return MessageBeingBuilt.GetExtensionCount(extension); | |
} | |
/// <summary> | |
/// Returns the value of an extension. | |
/// </summary> | |
public TExtension GetExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension) | |
{ | |
return MessageBeingBuilt.GetExtension(extension); | |
} | |
/// <summary> | |
/// Returns one element of a repeated extension. | |
/// </summary> | |
public TExtension GetExtension<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension, | |
int index) | |
{ | |
return MessageBeingBuilt.GetExtension(extension, index); | |
} | |
/// <summary> | |
/// Sets the value of an extension. | |
/// </summary> | |
public TBuilder SetExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension, | |
TExtension value) | |
{ | |
ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt; | |
message.VerifyExtensionContainingType(extension); | |
message.Extensions[extension.Descriptor] = extension.ToReflectionType(value); | |
return ThisBuilder; | |
} | |
/// <summary> | |
/// Sets the value of one element of a repeated extension. | |
/// </summary> | |
public TBuilder SetExtension<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension, | |
int index, TExtension value) | |
{ | |
ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt; | |
message.VerifyExtensionContainingType(extension); | |
message.Extensions[extension.Descriptor, index] = extension.SingularToReflectionType(value); | |
return ThisBuilder; | |
} | |
/// <summary> | |
/// Appends a value to a repeated extension. | |
/// </summary> | |
public TBuilder AddExtension<TExtension>(GeneratedExtensionLite<TMessage, IList<TExtension>> extension, | |
TExtension value) | |
{ | |
ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt; | |
message.VerifyExtensionContainingType(extension); | |
message.Extensions.AddRepeatedField(extension.Descriptor, extension.SingularToReflectionType(value)); | |
return ThisBuilder; | |
} | |
/// <summary> | |
/// Clears an extension. | |
/// </summary> | |
public TBuilder ClearExtension<TExtension>(GeneratedExtensionLite<TMessage, TExtension> extension) | |
{ | |
ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt; | |
message.VerifyExtensionContainingType(extension); | |
message.Extensions.ClearField(extension.Descriptor); | |
return ThisBuilder; | |
} | |
/// <summary> | |
/// Called by subclasses to parse an unknown field or an extension. | |
/// </summary> | |
/// <returns>true unless the tag is an end-group tag</returns> | |
[CLSCompliant(false)] | |
protected override bool ParseUnknownField(ICodedInputStream input, | |
ExtensionRegistry extensionRegistry, uint tag, string fieldName) | |
{ | |
FieldSet extensions = MessageBeingBuilt.Extensions; | |
WireFormat.WireType wireType = WireFormat.GetTagWireType(tag); | |
int fieldNumber = WireFormat.GetTagFieldNumber(tag); | |
IGeneratedExtensionLite extension = extensionRegistry[DefaultInstanceForType, fieldNumber]; | |
if (extension == null) //unknown field | |
{ | |
return input.SkipField(); | |
} | |
IFieldDescriptorLite field = extension.Descriptor; | |
// Unknown field or wrong wire type. Skip. | |
if (field == null) | |
{ | |
return input.SkipField(); | |
} | |
WireFormat.WireType expectedType = field.IsPacked | |
? WireFormat.WireType.LengthDelimited | |
: WireFormat.GetWireType(field.FieldType); | |
if (wireType != expectedType) | |
{ | |
expectedType = WireFormat.GetWireType(field.FieldType); | |
if (wireType == expectedType) | |
{ | |
//Allowed as of 2.3, this is unpacked data for a packed array | |
} | |
else if (field.IsRepeated && wireType == WireFormat.WireType.LengthDelimited && | |
(expectedType == WireFormat.WireType.Varint || expectedType == WireFormat.WireType.Fixed32 || | |
expectedType == WireFormat.WireType.Fixed64)) | |
{ | |
//Allowed as of 2.3, this is packed data for an unpacked array | |
} | |
else | |
{ | |
return input.SkipField(); | |
} | |
} | |
if (!field.IsRepeated && wireType != WireFormat.GetWireType(field.FieldType)) //invalid wire type | |
{ | |
return input.SkipField(); | |
} | |
switch (field.FieldType) | |
{ | |
case FieldType.Group: | |
case FieldType.Message: | |
{ | |
if (!field.IsRepeated) | |
{ | |
IMessageLite message = extensions[extension.Descriptor] as IMessageLite; | |
IBuilderLite subBuilder = (message ?? extension.MessageDefaultInstance).WeakToBuilder(); | |
if (field.FieldType == FieldType.Group) | |
{ | |
input.ReadGroup(field.FieldNumber, subBuilder, extensionRegistry); | |
} | |
else | |
{ | |
input.ReadMessage(subBuilder, extensionRegistry); | |
} | |
extensions[field] = subBuilder.WeakBuild(); | |
} | |
else | |
{ | |
List<IMessageLite> list = new List<IMessageLite>(); | |
if (field.FieldType == FieldType.Group) | |
{ | |
input.ReadGroupArray(tag, fieldName, list, extension.MessageDefaultInstance, | |
extensionRegistry); | |
} | |
else | |
{ | |
input.ReadMessageArray(tag, fieldName, list, extension.MessageDefaultInstance, | |
extensionRegistry); | |
} | |
foreach (IMessageLite m in list) | |
{ | |
extensions.AddRepeatedField(field, m); | |
} | |
return true; | |
} | |
break; | |
} | |
case FieldType.Enum: | |
{ | |
if (!field.IsRepeated) | |
{ | |
object unknown; | |
IEnumLite value = null; | |
if (input.ReadEnum(ref value, out unknown, field.EnumType)) | |
{ | |
extensions[field] = value; | |
} | |
} | |
else | |
{ | |
ICollection<object> unknown; | |
List<IEnumLite> list = new List<IEnumLite>(); | |
input.ReadEnumArray(tag, fieldName, list, out unknown, field.EnumType); | |
foreach (IEnumLite en in list) | |
{ | |
extensions.AddRepeatedField(field, en); | |
} | |
} | |
break; | |
} | |
default: | |
{ | |
if (!field.IsRepeated) | |
{ | |
object value = null; | |
if (input.ReadPrimitiveField(field.FieldType, ref value)) | |
{ | |
extensions[field] = value; | |
} | |
} | |
else | |
{ | |
List<object> list = new List<object>(); | |
input.ReadPrimitiveArray(field.FieldType, tag, fieldName, list); | |
foreach (object oval in list) | |
{ | |
extensions.AddRepeatedField(field, oval); | |
} | |
} | |
break; | |
} | |
} | |
return true; | |
} | |
#region Reflection | |
public object this[IFieldDescriptorLite field, int index] | |
{ | |
set | |
{ | |
if (field.IsExtension) | |
{ | |
ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt; | |
message.Extensions[field, index] = value; | |
} | |
else | |
{ | |
throw new NotSupportedException("Not supported in the lite runtime."); | |
} | |
} | |
} | |
public object this[IFieldDescriptorLite field] | |
{ | |
set | |
{ | |
if (field.IsExtension) | |
{ | |
ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt; | |
message.Extensions[field] = value; | |
} | |
else | |
{ | |
throw new NotSupportedException("Not supported in the lite runtime."); | |
} | |
} | |
} | |
public TBuilder ClearField(IFieldDescriptorLite field) | |
{ | |
if (field.IsExtension) | |
{ | |
ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt; | |
message.Extensions.ClearField(field); | |
return ThisBuilder; | |
} | |
else | |
{ | |
throw new NotSupportedException("Not supported in the lite runtime."); | |
} | |
} | |
public TBuilder AddRepeatedField(IFieldDescriptorLite field, object value) | |
{ | |
if (field.IsExtension) | |
{ | |
ExtendableMessageLite<TMessage, TBuilder> message = MessageBeingBuilt; | |
message.Extensions.AddRepeatedField(field, value); | |
return ThisBuilder; | |
} | |
else | |
{ | |
throw new NotSupportedException("Not supported in the lite runtime."); | |
} | |
} | |
protected void MergeExtensionFields(ExtendableMessageLite<TMessage, TBuilder> other) | |
{ | |
MessageBeingBuilt.Extensions.MergeFrom(other.Extensions); | |
} | |
#endregion | |
} | |
} |