mcs/class/Mono.Cecil/Mono.Cecil/SecurityDeclaration.cs

   1 //
   2 // SecurityDeclaration.cs
   3 //
   4 // Author:
   5 //   Jb Evain (jbevain@gmail.com)
   6 //
   7 // (C) 2005 Jb Evain
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 namespace Mono.Cecil {
  30
  31         using System;
  32         using System.Collections;
  33         using System.Security;
  34
  35         public sealed class SecurityDeclaration : IRequireResolving, IAnnotationProvider, IReflectionVisitable {
  36
  37                 SecurityAction m_action;
  38                 SecurityDeclarationReader m_reader;
  39                 IDictionary m_annotations;
  40
  41 #if !CF_1_0 && !CF_2_0
  42                 PermissionSet m_permSet;
  43 #endif
  44
  45                 bool m_resolved;
  46                 byte [] m_blob;
  47
  48                 public SecurityAction Action {
  49                         get { return m_action; }
  50                         set { m_action = value; }
  51                 }
  52
  53 #if !CF_1_0 && !CF_2_0
  54                 public PermissionSet PermissionSet {
  55                         get { return m_permSet; }
  56                         set { m_permSet = value; }
  57                 }
  58 #endif
  59
  60                 public bool Resolved {
  61                         get { return m_resolved; }
  62                         set { m_resolved = value; }
  63                 }
  64
  65                 public byte [] Blob {
  66                         get { return m_blob; }
  67                         set { m_blob = value; }
  68                 }
  69
  70                 IDictionary IAnnotationProvider.Annotations {
  71                         get {
  72                                 if (m_annotations == null)
  73                                         m_annotations = new Hashtable ();
  74                                 return m_annotations;
  75                         }
  76                 }
  77
  78                 public SecurityDeclaration (SecurityAction action)
  79                 {
  80                         m_action = action;
  81                 }
  82
  83                 internal SecurityDeclaration (SecurityAction action, SecurityDeclarationReader reader)
  84                 {
  85                         m_action = action;
  86                         m_reader = reader;
  87                 }
  88
  89                 public SecurityDeclaration Clone ()
  90                 {
  91                         return Clone (this);
  92                 }
  93
  94                 internal static SecurityDeclaration Clone (SecurityDeclaration sec)
  95                 {
  96                         SecurityDeclaration sd = new SecurityDeclaration (sec.Action);
  97                         if (!sec.Resolved) {
  98                                 sd.Resolved = false;
  99                                 sd.Blob = sec.Blob;
 100                                 return sd;
 101                         }
 102
 103 #if !CF_1_0 && !CF_2_0
 104             sd.PermissionSet = sec.PermissionSet.Copy ();
 105 #endif
 106                         return sd;
 107                 }
 108
 109                 public bool Resolve ()
 110                 {
 111                         if (m_resolved)
 112                                 return true;
 113
 114                         if (m_reader == null)
 115                                 return false;
 116
 117                         SecurityDeclaration clone = m_reader.FromByteArray (m_action, m_blob, true);
 118                         if (!clone.Resolved)
 119                                 return false;
 120
 121                         m_action = clone.Action;
 122 #if !CF_1_0 && !CF_2_0
 123                         m_permSet = clone.PermissionSet.Copy ();
 124 #endif
 125                         m_resolved = true;
 126
 127                         return true;
 128                 }
 129
 130                 public void Accept (IReflectionVisitor visitor)
 131                 {
 132                         visitor.VisitSecurityDeclaration (this);
 133                 }
 134         }
 135 }
 136