// 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 | |
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using System.Collections; | |
using System.Collections.Generic; | |
using Google.ProtocolBuffers.Collections; | |
using Google.ProtocolBuffers.Descriptors; | |
namespace Google.ProtocolBuffers.FieldAccess | |
{ | |
/// <summary> | |
/// Accessor for a repeated enum field. | |
/// </summary> | |
internal sealed class RepeatedEnumAccessor<TMessage, TBuilder> : RepeatedPrimitiveAccessor<TMessage, TBuilder> | |
where TMessage : IMessage<TMessage, TBuilder> | |
where TBuilder : IBuilder<TMessage, TBuilder> | |
{ | |
private readonly EnumDescriptor enumDescriptor; | |
internal RepeatedEnumAccessor(FieldDescriptor field, string name) : base(name) | |
{ | |
enumDescriptor = field.EnumType; | |
} | |
public override object GetValue(TMessage message) | |
{ | |
List<EnumValueDescriptor> ret = new List<EnumValueDescriptor>(); | |
foreach (int rawValue in (IEnumerable) base.GetValue(message)) | |
{ | |
ret.Add(enumDescriptor.FindValueByNumber(rawValue)); | |
} | |
return Lists.AsReadOnly(ret); | |
} | |
public override object GetRepeatedValue(TMessage message, int index) | |
{ | |
// Note: This relies on the fact that the CLR allows unboxing from an enum to | |
// its underlying value | |
int rawValue = (int) base.GetRepeatedValue(message, index); | |
return enumDescriptor.FindValueByNumber(rawValue); | |
} | |
public override void AddRepeated(TBuilder builder, object value) | |
{ | |
ThrowHelper.ThrowIfNull(value, "value"); | |
base.AddRepeated(builder, ((EnumValueDescriptor) value).Number); | |
} | |
public override void SetRepeated(TBuilder builder, int index, object value) | |
{ | |
ThrowHelper.ThrowIfNull(value, "value"); | |
base.SetRepeated(builder, index, ((EnumValueDescriptor) value).Number); | |
} | |
} | |
} |