103 lines
2.5 KiB
C#
103 lines
2.5 KiB
C#
//
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// MetadataToken.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) 2005 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.Metadata {
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internal struct MetadataToken {
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uint m_rid;
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TokenType m_type;
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public uint RID {
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get { return m_rid; }
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}
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public TokenType TokenType {
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get { return m_type; }
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}
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public static readonly MetadataToken Zero = new MetadataToken ((TokenType) 0, 0);
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public MetadataToken (int token)
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{
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m_type = (TokenType) (token & 0xff000000);
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m_rid = (uint) token & 0x00ffffff;
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}
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public MetadataToken (TokenType table, uint rid)
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{
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m_type = table;
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m_rid = rid;
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}
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internal static MetadataToken FromMetadataRow (TokenType table, int rowIndex)
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{
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return new MetadataToken (table, (uint) rowIndex + 1);
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}
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public uint ToUInt ()
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{
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return (uint) m_type | m_rid;
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}
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public override int GetHashCode ()
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{
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return (int) ToUInt ();
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}
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public override bool Equals (object other)
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{
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if (other is MetadataToken)
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return Equals ((MetadataToken) other);
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return false;
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}
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private bool Equals (MetadataToken other)
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{
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return other.m_rid == m_rid && other.m_type == m_type;
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}
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public static bool operator == (MetadataToken one, MetadataToken other)
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{
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return one.Equals (other);
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}
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public static bool operator != (MetadataToken one, MetadataToken other)
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{
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return !one.Equals (other);
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}
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public override string ToString ()
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{
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return string.Format ("{0} [0x{1}]",
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m_type, m_rid.ToString ("x4"));
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}
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}
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}
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