mcs/class/Mono.PEToolkit/DataDir.cs

   1 \r
   2 //\r
   3 // Permission is hereby granted, free of charge, to any person obtaining\r
   4 // a copy of this software and associated documentation files (the\r
   5 // "Software"), to deal in the Software without restriction, including\r
   6 // without limitation the rights to use, copy, modify, merge, publish,\r
   7 // distribute, sublicense, and/or sell copies of the Software, and to\r
   8 // permit persons to whom the Software is furnished to do so, subject to\r
   9 // the following conditions:\r
  10 // \r
  11 // The above copyright notice and this permission notice shall be\r
  12 // included in all copies or substantial portions of the Software.\r
  13 // \r
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  21 //\r
  22 /*\r
  23  * Copyright (c) 2002 Sergey Chaban <serge@wildwestsoftware.com>\r
  24  */\r
  25 \r
  26 using System;\r
  27 using System.IO;\r
  28 using System.Runtime.InteropServices;\r
  29 \r
  30 namespace Mono.PEToolkit {\r
  31 \r
  32         /// <summary>\r
  33         /// IMAGE_DATA_DIRECTORY.\r
  34         /// </summary>\r
  35         public class DataDir {\r
  36 \r
  37                 public static readonly DataDir Null;\r
  38 \r
  39                 public RVA virtAddr;\r
  40                 public uint size;\r
  41 \r
  42                 static DataDir ()\r
  43                 {\r
  44                         Null = new DataDir ();\r
  45                         Null.virtAddr = 0;\r
  46                         Null.size = 0;\r
  47                 }\r
  48 \r
  49                 public DataDir () {\r
  50 \r
  51                 }\r
  52 \r
  53                 public DataDir (BinaryReader reader)\r
  54                 {\r
  55                         Read (reader);\r
  56                 }\r
  57 \r
  58                 public void Read (BinaryReader reader)\r
  59                 {\r
  60                         virtAddr = new RVA (reader.ReadUInt32 ());\r
  61                         size = reader.ReadUInt32 ();\r
  62                 }\r
  63 \r
  64                 public void Write (BinaryWriter writer)\r
  65                 {\r
  66                         virtAddr.Write (writer);\r
  67                         writer.Write (size);\r
  68                 }\r
  69 \r
  70                 public RVA VirtualAddress {\r
  71                         get {\r
  72                                 return virtAddr;\r
  73                         }\r
  74                         set {\r
  75                                 virtAddr = value;\r
  76                         }\r
  77                 }\r
  78 \r
  79                 public uint Size {\r
  80                         get {\r
  81                                 return size;\r
  82                         }\r
  83                         set {\r
  84                                 size = value;\r
  85                         }\r
  86                 }\r
  87 \r
  88                 public bool IsNull {\r
  89                         get {\r
  90                                 return (this == Null);\r
  91                         }\r
  92                 }\r
  93 \r
  94                 public override int GetHashCode()\r
  95                 {\r
  96                         return (virtAddr.GetHashCode() ^ (int)(size << 1));\r
  97                 }\r
  98 \r
  99                 public override bool Equals(object obj)\r
 100                 {\r
 101                         bool res = (obj is DataDir);\r
 102                         if (res) {\r
 103                                 DataDir that = (DataDir) obj;\r
 104                                 res = (this.virtAddr == that.virtAddr) &&\r
 105                                       (this.size == that.size);\r
 106                         }\r
 107                         return res;\r
 108                 }\r
 109 \r
 110                 public static bool operator == (DataDir d1, DataDir d2)\r
 111                 {\r
 112                         return d1.Equals(d2);\r
 113                 }\r
 114 \r
 115                 public static bool operator != (DataDir d1, DataDir d2)\r
 116                 {\r
 117                         return !d1.Equals(d2);\r
 118                 }\r
 119 \r
 120                 /// <summary>\r
 121                 /// </summary>\r
 122                 /// <returns></returns>\r
 123                 public override string ToString()\r
 124                 {\r
 125                         if (this.IsNull) return "NULL";\r
 126                         return String.Format("RVA = {0}, size = 0x{1}", virtAddr, size.ToString("X"));\r
 127                 }\r
 128 \r
 129         }\r
 130 \r
 131 }\r
 132 \r