Merge branch 'refactor' of github.com:toadicus/ToadicusTools into refactor
[ToadicusTools.git] /
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// ToadicusTools
//
// EnumTools.cs
//
// Copyright © 2015, toadicus
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
//    this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using System;

namespace ToadicusTools
{
	public static class EnumTools
	{
		public static bool TryParse<enumType>(string value, out enumType result)
			where enumType : struct, IConvertible, IComparable, IFormattable
		{
			try
			{
				if (!typeof(enumType).IsEnum)
				{
					throw new ArgumentException("result must be of an enum type");
				}

				result = (enumType)Enum.Parse(typeof(enumType), value);
				return true;
			}
			catch (Exception e)
			{
				Logging.PostWarningMessage("[{0}] failed to parse value '{1}': {2}",
					typeof(enumType).Name,
					value,
					e.Message
				);

				result = (enumType)Enum.GetValues(typeof(enumType)).GetValue(0);
				return false;
			}
		}
	}
}