ConverterCollectionCause.cs

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// <copyright file=mitlicense.md url=http://lsauer.mit-license.org/ >
//             Lo Sauer, 2013-2016
// </copyright>
// <summary>   A tested, generic, portable, runtime-extensible type converter library   </summary
// <language>  C# > 6.0                                                                 </language>
// <version>   3.1.0.2                                                                  </version>
// <author>    Lorenz Lo Sauer; people credited in the sources                          </author>
// <project>   https://github.com/lsauer/dotnet-portable-type-cast                      </project>
namespace Core.TypeCast
{
    using System;

    using Core.Extensions;
    using Core.TypeCast.Base;

    public enum ConverterCollectionCause
    {
        [Description("Indicates the default or unspecified value")]
        None = 0, 

        [Description("Indicates the default or unspecified value")]
        Unknown = 1 << 0, 

        [Description("Indicates the default or unspecified value")]
        Default = 1 << 1, 

        [Description("Indicates an internal error state that may be specified further in the InnerException property")]
        InternalError = 1 << 2, 

        [Description("The converter could not be added to the ConverterCollection")]
        AddFailed = 1 << 3, 

        [Description("Indicates a null reference for the collection argument")]
        CollectionIsNull = 1 << 4, 

        [Description("Indicates that the Converter, defined by the Input and Output conversion Types TIn --> TOut already exists")]
        ConverterExists = 1 << 5,

        [Description("Indicates that the Converter or an passed argument to the converter is `null`")]
        ConverterArgumentNull = 1 << 6,

        [Description("Indicates that a ConverterCollection method got passed an argument of a Type `T` that does not match TIn or TOut respectively")]
        ConverterArgumentWrongType = 1 << 7, 

        [Description("The custom converter / conversion-related class has already been instantiated and added to the to the ConverterCollection")]
        ConverterClassExists = 1 << 8, 

        [Description(
            "Indicates that the constructor the ConverterCollection class requires parameters for proper instancing, yet was invoked without parameters")]
        InstanceRequiresParameters = 1 << 9,

        [Description("Indicates that the Converter function and default-value function is not set to a Delegate and null")]
        ConverterFunctionsNull = 1 << 10,

        [Description("Indicates a Converter already exists for the specified input and output Types and was thus not added to the ConverterCollection")]
        AddFailedConverterExists = AddFailed | ConverterExists, 
    }
}