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// Copyright 2009-2022 Josh Close
// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
// https://github.com/JoshClose/CsvHelper
using System;
using System.Collections.Generic;
namespace CsvHelper.TypeConversion
{
/// <summary>
/// Caches <see cref="TypeConverterOptions"/> for a given type.
/// </summary>
public class TypeConverterOptionsCache
{
private Dictionary<Type, TypeConverterOptions> typeConverterOptions = new Dictionary<Type, TypeConverterOptions>();
/// <summary>
/// Adds the <see cref="TypeConverterOptions"/> for the given <see cref="Type"/>.
/// </summary>
/// <param name="type">The type the options are for.</param>
/// <param name="options">The options.</param>
public void AddOptions(Type type, TypeConverterOptions options)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
typeConverterOptions[type] = options ?? throw new ArgumentNullException(nameof(options));
}
/// <summary>
/// Adds the <see cref="TypeConverterOptions"/> for the given <see cref="Type"/>.
/// </summary>
/// <typeparam name="T">The type the options are for.</typeparam>
/// <param name="options">The options.</param>
public void AddOptions<T>(TypeConverterOptions options)
{
AddOptions(typeof(T), options);
}
/// <summary>
/// Adds the given <see cref="TypeConverterOptions"/> to all registered types.
/// </summary>
/// <param name="options"></param>
public void AddOptions(TypeConverterOptions options)
{
foreach (var type in typeConverterOptions.Keys)
{
typeConverterOptions[type] = options;
}
}
/// <summary>
/// Removes the <see cref="TypeConverterOptions"/> for the given type.
/// </summary>
/// <param name="type">The type to remove the options for.</param>
public void RemoveOptions(Type type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
typeConverterOptions.Remove(type);
}
/// <summary>
/// Removes the <see cref="TypeConverterOptions"/> for the given type.
/// </summary>
/// <typeparam name="T">The type to remove the options for.</typeparam>
public void RemoveOptions<T>()
{
RemoveOptions(typeof(T));
}
/// <summary>
/// Get the <see cref="TypeConverterOptions"/> for the given <see cref="Type"/>.
/// </summary>
/// <param name="type">The type the options are for.</param>
/// <returns>The options for the given type.</returns>
public TypeConverterOptions GetOptions(Type type)
{
if (type == null)
{
throw new ArgumentNullException();
}
if (!typeConverterOptions.TryGetValue(type, out var options))
{
options = new TypeConverterOptions();
typeConverterOptions.Add(type, options);
}
return options;
}
/// <summary>
/// Get the <see cref="TypeConverterOptions"/> for the given <see cref="Type"/>.
/// </summary>
/// <typeparam name="T">The type the options are for.</typeparam>
/// <returns>The options for the given type.</returns>
public TypeConverterOptions GetOptions<T>()
{
return GetOptions(typeof(T));
}
}
}
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