61 lines
2.3 KiB
C#
61 lines
2.3 KiB
C#
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/*
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DescriptionAttributeCoder.cs
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* 12/18/2008 Relo'd from Dave to SVN-controlled utilities project.
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$Log: DescriptionAttributeCoder.cs,v $
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Revision 1.1 2006/09/14 18:41:54 Paul Hrissikopoulos
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Moved AttributeCoder files from Dave solution.
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Revision 1.2 2006/09/07 20:43:08 Paul Hrissikopoulos
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Expanded commentary.
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Revision 1.1 2006/08/17 23:05:11 Paul Hrissikopoulos
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Added generically-derived SelectionCriterion.ComparisonType enumeration attributes.
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Copyright © 2006
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Diversified Technical Services
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All Rights Reserved
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*/
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using System;
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using System.ComponentModel;
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namespace DTS.Common.Utilities
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{
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/// <summary>
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/// Class for "matching" <see cref="DescriptionAttribute"/>s and the "TargetType" data
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/// type data type they're attached to.
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/// </summary>
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///
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/// <typeparam name="TTargetType">
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/// The data type the attribute being encoded to/decoded from is attached to.
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/// </typeparam>
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///
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/// <remarks>
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/// Generally useful with enumeration target types in which each enumeration value
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/// has a specific "DescriptionAttribute" assigned to it. This class essentially
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/// allows one to "encode" the a specific description value into the enumeration
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/// value it's attached to, as well as "decode" an enumeration into the description
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/// that's attached to it. For example, if we create an enumeration type whose
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/// values at some point need to be converted to string values (and back again),
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/// we can simply attach DescriptionAttributes containing the string conversion
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/// to each value in the enumeration definition and use the DescriptionAttributeCoder
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/// to convert directly from one to the other without the need for any kind of
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/// seperate lookup table.
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///</remarks>
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///
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public class DescriptionAttributeCoder<TTargetType>
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: AttributeCoder<TTargetType, DescriptionAttribute, string>
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{
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/// <summary>
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/// constructs a <see cref="T:DescriptionAttributeCoder" /> object
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/// </summary>
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public DescriptionAttributeCoder()
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: base(delegate (DescriptionAttribute attribute) { return attribute.Description; },
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delegate (string s1, string s2) { return s1.Equals(s2, StringComparison.OrdinalIgnoreCase); })
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{
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}
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}
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}
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