106 lines
3.7 KiB
C#
106 lines
3.7 KiB
C#
#region License
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// The MIT License (MIT)
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//
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// Copyright (c) 2016 SaladLab
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do 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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#endregion
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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 LC.Newtonsoft.Json.Serialization;
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namespace LC.Newtonsoft.Json.Utilities
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{
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/// <summary>
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///
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/// </summary>
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public static class AotHelper
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{
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/// <summary>
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/// Don't run action but let a compiler detect the code in action as an executable block.
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/// </summary>
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public static void Ensure(Action action)
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{
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if (IsFalse())
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{
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try
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{
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action();
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}
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catch (Exception e)
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{
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throw new InvalidOperationException("", e);
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}
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}
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}
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/// <summary>
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/// Ensure(() => new T());
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/// </summary>
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public static void EnsureType<T>() where T : new()
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{
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Ensure(() => new T());
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}
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/// <summary>
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/// Ensure generic list type can be (de)deserializable on AOT environment.
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/// </summary>
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/// <typeparam name="T">The type of elements in the list</typeparam>
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public static void EnsureList<T>()
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{
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Ensure(() =>
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{
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var a = new List<T>();
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var b = new HashSet<T>();
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var c = new CollectionWrapper<T>((IList)a);
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var d = new CollectionWrapper<T>((ICollection<T>)a);
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});
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}
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/// <summary>
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/// Ensure generic dictionary type can be (de)deserializable on AOT environment.
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/// </summary>
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/// <typeparam name="TKey">The type of the keys in the dictionary.</typeparam>
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/// <typeparam name="TValue">The type of the values in the dictionary.</typeparam>
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public static void EnsureDictionary<TKey, TValue>()
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{
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Ensure(() =>
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{
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var a = new Dictionary<TKey, TValue>();
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var b = new DictionaryWrapper<TKey, TValue>((IDictionary)null);
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var c = new DictionaryWrapper<TKey, TValue>((IDictionary<TKey, TValue>)null);
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var d = new DefaultContractResolver.EnumerableDictionaryWrapper<TKey, TValue>((IDictionary<TKey, TValue>)null);
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});
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}
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private static bool s_alwaysFalse = DateTime.UtcNow.Year < 0;
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/// <summary>
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/// Always return false but compiler doesn't know it.
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/// </summary>
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/// <returns>False</returns>
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public static bool IsFalse()
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{
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return s_alwaysFalse;
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}
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}
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}
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