78 lines
3.3 KiB
C#
78 lines
3.3 KiB
C#
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// This file is part of YamlDotNet - A .NET library for YAML.
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// Copyright (c) Antoine Aubry and contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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// of the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using YamlDotNet.Core;
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using YamlDotNet.Helpers;
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namespace YamlDotNet.Serialization.NodeDeserializers
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{
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public class DictionaryNodeDeserializer : DictionaryDeserializer, INodeDeserializer
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{
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private readonly IObjectFactory objectFactory;
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public DictionaryNodeDeserializer(IObjectFactory objectFactory, bool duplicateKeyChecking) :
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base(duplicateKeyChecking)
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{
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this.objectFactory = objectFactory ?? throw new ArgumentNullException(nameof(objectFactory));
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}
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public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
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{
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IDictionary? dictionary;
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Type keyType, valueType;
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var genericDictionaryType = expectedType.GetImplementationOfOpenGenericInterface(typeof(IDictionary<,>));
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if (genericDictionaryType != null)
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{
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var genericArguments = genericDictionaryType.GetGenericArguments();
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keyType = genericArguments[0];
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valueType = genericArguments[1];
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value = objectFactory.Create(expectedType);
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dictionary = value as IDictionary;
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// Uncommon case where a type implements IDictionary<TKey, TValue> but not IDictionary
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dictionary ??= (IDictionary?)Activator.CreateInstance(typeof(GenericDictionaryToNonGenericAdapter<,>).MakeGenericType(keyType, valueType), value);
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}
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else if (typeof(IDictionary).IsAssignableFrom(expectedType))
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{
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keyType = typeof(object);
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valueType = typeof(object);
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value = objectFactory.Create(expectedType);
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dictionary = (IDictionary)value;
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}
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else
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{
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value = null;
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return false;
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}
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Deserialize(keyType, valueType, parser, nestedObjectDeserializer, dictionary!, rootDeserializer);
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return true;
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}
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}
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}
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