120 lines
4.0 KiB
C#
120 lines
4.0 KiB
C#
// 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 YamlDotNet.Core;
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namespace YamlDotNet.Serialization.NodeDeserializers
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{
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public sealed class ArrayNodeDeserializer : INodeDeserializer
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{
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bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
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{
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if (!expectedType.IsArray)
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{
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value = false;
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return false;
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}
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var itemType = expectedType.GetElementType()!; // Arrays always have an element type
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var items = new ArrayList();
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CollectionNodeDeserializer.DeserializeHelper(itemType, parser, nestedObjectDeserializer, items, true);
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var array = Array.CreateInstance(itemType, items.Count);
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items.CopyTo(array, 0);
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value = array;
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return true;
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}
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private sealed class ArrayList : IList
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{
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private object?[] data;
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#pragma warning disable CS8618 // Non-nullable field is uninitialized. Initialized inside Clear()
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public ArrayList()
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#pragma warning restore CS8618 // Non-nullable field is uninitialized.
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{
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Clear();
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}
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public int Add(object? value)
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{
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if (Count == data.Length)
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{
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Array.Resize(ref data, data.Length * 2);
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}
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data[Count] = value;
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return Count++;
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}
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public void Clear()
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{
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data = new object[10];
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Count = 0;
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}
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bool IList.Contains(object? value) => throw new NotSupportedException();
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int IList.IndexOf(object? value) => throw new NotSupportedException();
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void IList.Insert(int index, object? value) => throw new NotSupportedException();
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void IList.Remove(object? value) => throw new NotSupportedException();
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void IList.RemoveAt(int index) => throw new NotSupportedException();
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public bool IsFixedSize => false;
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public bool IsReadOnly => false;
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public object? this[int index]
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{
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get
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{
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return data[index];
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}
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set
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{
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data[index] = value;
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}
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}
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public void CopyTo(Array array, int index)
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{
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Array.Copy(data, 0, array, index, Count);
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}
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public int Count { get; private set; }
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public bool IsSynchronized => false;
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public object SyncRoot => data;
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public IEnumerator GetEnumerator()
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{
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for (var i = 0; i < Count; ++i)
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{
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yield return data[i];
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}
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}
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}
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}
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}
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