csharp-sdk-upm/Libs/Newtonsoft.Json.AOT/Utilities/AotHelper.cs

106 lines
3.7 KiB
C#

#region License
// The MIT License (MIT)
//
// Copyright (c) 2016 SaladLab
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using LC.Newtonsoft.Json.Serialization;
namespace LC.Newtonsoft.Json.Utilities
{
/// <summary>
///
/// </summary>
public static class AotHelper
{
/// <summary>
/// Don't run action but let a compiler detect the code in action as an executable block.
/// </summary>
public static void Ensure(Action action)
{
if (IsFalse())
{
try
{
action();
}
catch (Exception e)
{
throw new InvalidOperationException("", e);
}
}
}
/// <summary>
/// Ensure(() => new T());
/// </summary>
public static void EnsureType<T>() where T : new()
{
Ensure(() => new T());
}
/// <summary>
/// Ensure generic list type can be (de)deserializable on AOT environment.
/// </summary>
/// <typeparam name="T">The type of elements in the list</typeparam>
public static void EnsureList<T>()
{
Ensure(() =>
{
var a = new List<T>();
var b = new HashSet<T>();
var c = new CollectionWrapper<T>((IList)a);
var d = new CollectionWrapper<T>((ICollection<T>)a);
});
}
/// <summary>
/// Ensure generic dictionary type can be (de)deserializable on AOT environment.
/// </summary>
/// <typeparam name="TKey">The type of the keys in the dictionary.</typeparam>
/// <typeparam name="TValue">The type of the values in the dictionary.</typeparam>
public static void EnsureDictionary<TKey, TValue>()
{
Ensure(() =>
{
var a = new Dictionary<TKey, TValue>();
var b = new DictionaryWrapper<TKey, TValue>((IDictionary)null);
var c = new DictionaryWrapper<TKey, TValue>((IDictionary<TKey, TValue>)null);
var d = new DefaultContractResolver.EnumerableDictionaryWrapper<TKey, TValue>((IDictionary<TKey, TValue>)null);
});
}
private static bool s_alwaysFalse = DateTime.UtcNow.Year < 0;
/// <summary>
/// Always return false but compiler doesn't know it.
/// </summary>
/// <returns>False</returns>
public static bool IsFalse()
{
return s_alwaysFalse;
}
}
}