[8295] | 1 | // Protocol Buffers - Google's data interchange format
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| 2 | // Copyright 2008 Google Inc. All rights reserved.
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| 3 | // http://github.com/jskeet/dotnet-protobufs/
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| 4 | // Original C++/Java/Python code:
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| 5 | // http://code.google.com/p/protobuf/
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| 6 | //
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| 7 | // Redistribution and use in source and binary forms, with or without
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| 8 | // modification, are permitted provided that the following conditions are
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| 9 | // met:
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| 10 | //
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| 11 | // * Redistributions of source code must retain the above copyright
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| 12 | // notice, this list of conditions and the following disclaimer.
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| 13 | // * Redistributions in binary form must reproduce the above
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| 14 | // copyright notice, this list of conditions and the following disclaimer
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| 15 | // in the documentation and/or other materials provided with the
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| 16 | // distribution.
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| 17 | // * Neither the name of Google Inc. nor the names of its
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| 18 | // contributors may be used to endorse or promote products derived from
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| 19 | // this software without specific prior written permission.
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| 20 | //
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| 21 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 22 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 23 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 24 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 25 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 26 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 27 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 28 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 29 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 30 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 31 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 32 | using System.Collections;
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| 33 | using System.Collections.Generic;
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| 34 | using Google.ProtocolBuffers.Collections;
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| 35 | using Google.ProtocolBuffers.Descriptors;
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| 36 |
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| 37 | namespace Google.ProtocolBuffers.FieldAccess
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| 38 | {
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| 39 | /// <summary>
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| 40 | /// Accessor for a repeated enum field.
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| 41 | /// </summary>
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| 42 | internal sealed class RepeatedEnumAccessor<TMessage, TBuilder> : RepeatedPrimitiveAccessor<TMessage, TBuilder>
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| 43 | where TMessage : IMessage<TMessage, TBuilder>
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| 44 | where TBuilder : IBuilder<TMessage, TBuilder>
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| 45 | {
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| 46 | private readonly EnumDescriptor enumDescriptor;
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| 47 |
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| 48 | internal RepeatedEnumAccessor(FieldDescriptor field, string name) : base(name)
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| 49 | {
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| 50 | enumDescriptor = field.EnumType;
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| 51 | }
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| 52 |
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| 53 | public override object GetValue(TMessage message)
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| 54 | {
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| 55 | List<EnumValueDescriptor> ret = new List<EnumValueDescriptor>();
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| 56 | foreach (int rawValue in (IEnumerable) base.GetValue(message))
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| 57 | {
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| 58 | ret.Add(enumDescriptor.FindValueByNumber(rawValue));
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| 59 | }
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| 60 | return Lists.AsReadOnly(ret);
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| 61 | }
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| 62 |
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| 63 | public override object GetRepeatedValue(TMessage message, int index)
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| 64 | {
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| 65 | // Note: This relies on the fact that the CLR allows unboxing from an enum to
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| 66 | // its underlying value
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| 67 | int rawValue = (int) base.GetRepeatedValue(message, index);
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| 68 | return enumDescriptor.FindValueByNumber(rawValue);
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| 69 | }
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| 70 |
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| 71 | public override void AddRepeated(TBuilder builder, object value)
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| 72 | {
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| 73 | ThrowHelper.ThrowIfNull(value, "value");
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| 74 | base.AddRepeated(builder, ((EnumValueDescriptor) value).Number);
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| 75 | }
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| 76 |
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| 77 | public override void SetRepeated(TBuilder builder, int index, object value)
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| 78 | {
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| 79 | ThrowHelper.ThrowIfNull(value, "value");
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| 80 | base.SetRepeated(builder, index, ((EnumValueDescriptor) value).Number);
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| 81 | }
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| 82 | }
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| 83 | } |
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