92 lines
2.5 KiB
C#
92 lines
2.5 KiB
C#
//
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// GuidAttribute.cs
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//
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// Author:
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// Jb Evain (jbevain@gmail.com)
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//
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// (C) 2006 Jb Evain
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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namespace Mono.Cecil.Cil {
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using System;
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using System.Reflection;
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[AttributeUsage (AttributeTargets.Field)]
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internal sealed class GuidAttribute : Attribute {
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private Guid m_guid;
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public Guid Guid {
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get { return m_guid; }
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}
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GuidAttribute ()
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{
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m_guid = new Guid ();
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}
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public GuidAttribute (
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uint a,
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ushort b,
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ushort c,
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byte d,
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byte e,
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byte f,
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byte g,
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byte h,
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byte i,
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byte j,
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byte k)
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{
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m_guid = new Guid ((int) a, (short) b, (short) c, d, e, f, g, h, i, j, k);
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}
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public static int GetValueFromGuid (Guid id, Type enumeration)
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{
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foreach (FieldInfo fi in enumeration.GetFields (BindingFlags.Static | BindingFlags.Public))
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if (id == GetGuidAttribute (fi).Guid)
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return (int) fi.GetValue (null);
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return -1;
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}
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public static Guid GetGuidFromValue (int value, Type enumeration)
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{
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foreach (FieldInfo fi in enumeration.GetFields (BindingFlags.Static | BindingFlags.Public))
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if (value == (int) fi.GetValue (null))
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return GetGuidAttribute (fi).Guid;
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return new Guid ();
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}
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static GuidAttribute GetGuidAttribute (FieldInfo fi)
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{
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GuidAttribute [] attributes = fi.GetCustomAttributes (typeof (GuidAttribute), false) as GuidAttribute [];
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if (attributes == null || attributes.Length != 1)
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return new GuidAttribute ();
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return attributes [0];
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}
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}
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}
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