Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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57 lines
2.2 KiB
57 lines
2.2 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. |
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// http://code.google.com/p/protobuf/ |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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using System; |
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using System.Collections.Generic; |
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using Google.ProtocolBuffers.Descriptors; |
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using System.Collections; |
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namespace Google.ProtocolBuffers { |
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/// <summary> |
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/// Class used to represent repeat extensions in generated classes. |
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/// </summary> |
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public sealed class GeneratedRepeatExtension<TExtensionElement> : GeneratedExtensionBase<IList<TExtensionElement>> { |
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private GeneratedRepeatExtension(FieldDescriptor field) : base(field, typeof(TExtensionElement)) { |
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} |
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public static GeneratedExtensionBase<IList<TExtensionElement>> CreateInstance(FieldDescriptor descriptor) { |
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if (!descriptor.IsRepeated) { |
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throw new ArgumentException("Must call GeneratedRepeatExtension.CreateInstance() for repeated types."); |
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} |
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return new GeneratedRepeatExtension<TExtensionElement>(descriptor); |
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} |
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/// <summary> |
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/// Converts the list to the right type. |
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/// TODO(jonskeet): Check where this is used, and whether we need to convert |
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/// for primitive types. |
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/// </summary> |
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/// <param name="value"></param> |
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/// <returns></returns> |
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public override object FromReflectionType(object value) { |
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if (Descriptor.MappedType == MappedType.Message || |
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Descriptor.MappedType == MappedType.Enum) { |
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// Must convert the whole list. |
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List<TExtensionElement> result = new List<TExtensionElement>(); |
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foreach (object element in (IEnumerable) value) { |
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result.Add((TExtensionElement) SingularFromReflectionType(element)); |
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} |
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return result; |
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} else { |
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return value; |
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} |
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} |
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} |
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}
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