mcs/class/Mono.PEToolkit/DataDir.cs

   1 /*\r
   2  * Copyright (c) 2002 Sergey Chaban <serge@wildwestsoftware.com>\r
   3  */\r
   4 \r
   5 using System;\r
   6 using System.IO;\r
   7 using System.Runtime.InteropServices;\r
   8 \r
   9 namespace Mono.PEToolkit {\r
  10 \r
  11         /// <summary>\r
  12         /// IMAGE_DATA_DIRECTORY.\r
  13         /// </summary>\r
  14         public class DataDir {\r
  15 \r
  16                 public static readonly DataDir Null;\r
  17 \r
  18                 public RVA virtAddr;\r
  19                 public uint size;\r
  20 \r
  21                 static DataDir ()\r
  22                 {\r
  23                         Null = new DataDir ();\r
  24                         Null.virtAddr = 0;\r
  25                         Null.size = 0;\r
  26                 }\r
  27 \r
  28                 public DataDir () {\r
  29 \r
  30                 }\r
  31 \r
  32                 public DataDir (BinaryReader reader)\r
  33                 {\r
  34                         Read (reader);\r
  35                 }\r
  36 \r
  37                 public void Read (BinaryReader reader)\r
  38                 {\r
  39                         virtAddr = new RVA (reader.ReadUInt32 ());\r
  40                         size = reader.ReadUInt32 ();\r
  41                 }\r
  42 \r
  43                 public void Write (BinaryWriter writer)\r
  44                 {\r
  45                         virtAddr.Write (writer);\r
  46                         writer.Write (size);\r
  47                 }\r
  48 \r
  49                 public RVA VirtualAddress {\r
  50                         get {\r
  51                                 return virtAddr;\r
  52                         }\r
  53                         set {\r
  54                                 virtAddr = value;\r
  55                         }\r
  56                 }\r
  57 \r
  58                 public uint Size {\r
  59                         get {\r
  60                                 return size;\r
  61                         }\r
  62                         set {\r
  63                                 size = value;\r
  64                         }\r
  65                 }\r
  66 \r
  67                 public bool IsNull {\r
  68                         get {\r
  69                                 return (this == Null);\r
  70                         }\r
  71                 }\r
  72 \r
  73                 public override int GetHashCode()\r
  74                 {\r
  75                         return (virtAddr.GetHashCode() ^ (int)(size << 1));\r
  76                 }\r
  77 \r
  78                 public override bool Equals(object obj)\r
  79                 {\r
  80                         bool res = (obj is DataDir);\r
  81                         if (res) {\r
  82                                 DataDir that = (DataDir) obj;\r
  83                                 res = (this.virtAddr == that.virtAddr) &&\r
  84                                       (this.size == that.size);\r
  85                         }\r
  86                         return res;\r
  87                 }\r
  88 \r
  89                 public static bool operator == (DataDir d1, DataDir d2)\r
  90                 {\r
  91                         return d1.Equals(d2);\r
  92                 }\r
  93 \r
  94                 public static bool operator != (DataDir d1, DataDir d2)\r
  95                 {\r
  96                         return !d1.Equals(d2);\r
  97                 }\r
  98 \r
  99                 /// <summary>\r
 100                 /// </summary>\r
 101                 /// <returns></returns>\r
 102                 public override string ToString()\r
 103                 {\r
 104                         if (this.IsNull) return "NULL";\r
 105                         return String.Format("RVA = {0}, size = 0x{1}", virtAddr, size.ToString("X"));\r
 106                 }\r
 107 \r
 108         }\r
 109 \r
 110 }\r
 111 \r