/[RomCheater]/trunk/RomCheater.Core/BitTools.cs
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Contents of /trunk/RomCheater.Core/BitTools.cs

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Revision 526 - (show annotations) (download)
Wed Jun 5 08:03:28 2013 UTC (7 years, 5 months ago) by william
File size: 9340 byte(s)

1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.IO;
6
7 namespace RomCheater.Core
8 {
9 public static class BitTools
10 {
11 private const byte BitsPerByte = 8;
12
13 #region SizeOf Members
14 public static T SizeOf<T>() where T : IConvertible
15 {
16 Type t = typeof(T);
17 string name = t.Name.ToLower();
18 switch (name)
19 {
20 case "byte": // unsigned byte
21 return (T)Convert.ChangeType(sizeof(byte), typeof(T));
22 case "sbyte": // signed byte
23 return (T)Convert.ChangeType(sizeof(sbyte), typeof(T));
24 case "int16": // short
25 return (T)Convert.ChangeType(sizeof(short), typeof(T));
26 case "uint16": // ushort
27 return (T)Convert.ChangeType(sizeof(ushort), typeof(T));
28 case "int32": // int
29 return (T)Convert.ChangeType(sizeof(int), typeof(T));
30 case "uint32": // uint
31 return (T)Convert.ChangeType(sizeof(uint), typeof(T));
32 case "int64": // long
33 return (T)Convert.ChangeType(sizeof(long), typeof(T));
34 case "uint64": // ulong
35 return (T)Convert.ChangeType(sizeof(ulong), typeof(T));
36 default:
37 throw new InvalidOperationException("Encountered invalid type when converting byte array", new TypeLoadException(string.Format("Type: '{0}' was unexpected.", name)));
38 }
39 }
40 public static T SizeOf<T>(SearchDataTypes sdt) where T : IConvertible
41 {
42 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
43 {
44 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
45 }
46 return (T)Convert.ChangeType(((int)sdt / BitsPerByte), typeof(T));
47 }
48
49 #region sbyte/byte output
50 public static void SizeOf(SearchDataTypes sdt, out sbyte size)
51 {
52 size = 0;
53 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
54 {
55 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
56 }
57 size = Convert.ToSByte((sbyte)sdt / BitsPerByte);
58 }
59 public static void SizeOf(SearchDataTypes sdt, out byte size)
60 {
61 size = 0;
62 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
63 {
64 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
65 }
66 size = Convert.ToByte((byte)sdt / BitsPerByte);
67 }
68 #endregion
69
70 #region short/ushort output
71 public static void SizeOf(SearchDataTypes sdt, out short size)
72 {
73 size = 0;
74 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
75 {
76 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
77 }
78 size = Convert.ToInt16((short)sdt / BitsPerByte);
79 }
80 public static void SizeOf(SearchDataTypes sdt, out ushort size)
81 {
82 size = 0;
83 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
84 {
85 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
86 }
87 size = Convert.ToUInt16((ushort)sdt / BitsPerByte);
88 }
89 #endregion
90
91 #region int/uint output
92 public static void SizeOf(SearchDataTypes sdt, out int size)
93 {
94 size = 0;
95 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
96 {
97 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
98 }
99 size = Convert.ToInt32((int)sdt / BitsPerByte);
100 }
101 public static void SizeOf(SearchDataTypes sdt, out uint size)
102 {
103 size = 0;
104 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
105 {
106 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
107 }
108 size = Convert.ToUInt32((uint)sdt / BitsPerByte);
109 }
110 #endregion
111
112 #region long/ulong output
113 public static void SizeOf(SearchDataTypes sdt, out long size)
114 {
115 size = 0;
116 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
117 {
118 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
119 }
120 size = Convert.ToInt64((uint)sdt / BitsPerByte);
121 }
122 public static void SizeOf(SearchDataTypes sdt, out ulong size)
123 {
124 size = 0;
125 if (!Enum.IsDefined(typeof(SearchDataTypes), sdt))
126 {
127 throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt");
128 }
129 size = Convert.ToUInt64((uint)sdt / BitsPerByte);
130 }
131 #endregion
132 #endregion
133
134 #region Structure Support
135
136 public static T[] ConvertByteArray<T>(byte[] data) where T : IConvertible
137 {
138 Type t = typeof(T);
139 string name = t.Name.ToLower();
140
141 List<T> list = new List<T>();
142
143 switch (name)
144 {
145 case "byte": // unsigned byte
146 case "sbyte": // signed byte
147 list = data.Cast<T>().ToList();
148 break;
149 case "int16": // short
150 list = new List<T>();
151 using (MemoryStream ms = new MemoryStream(data))
152 {
153 using (BinaryReader br = new BinaryReader(ms))
154 {
155 while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadInt16(), typeof(T))); }
156 }
157 }
158 break;
159 case "uint16": // ushort
160 list = new List<T>();
161 using (MemoryStream ms = new MemoryStream(data))
162 {
163 using (BinaryReader br = new BinaryReader(ms))
164 {
165 while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadUInt16(), typeof(T))); }
166 }
167 }
168 break;
169 case "int32": // int
170 list = new List<T>();
171 using (MemoryStream ms = new MemoryStream(data))
172 {
173 using (BinaryReader br = new BinaryReader(ms))
174 {
175 while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadInt32(), typeof(T))); }
176 }
177 }
178 break;
179 case "uint32": // uint
180 list = new List<T>();
181 using (MemoryStream ms = new MemoryStream(data))
182 {
183 using (BinaryReader br = new BinaryReader(ms))
184 {
185 while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadUInt32(), typeof(T))); }
186 }
187 }
188 break;
189 case "int64": // long
190 list = new List<T>();
191 using (MemoryStream ms = new MemoryStream(data))
192 {
193 using (BinaryReader br = new BinaryReader(ms))
194 {
195 while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadInt64(), typeof(T))); }
196 }
197 }
198 break;
199 case "uint64": // ulong
200 list = new List<T>();
201 using (MemoryStream ms = new MemoryStream(data))
202 {
203 using (BinaryReader br = new BinaryReader(ms))
204 {
205 while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadUInt64(), typeof(T))); }
206 }
207 }
208 break;
209 default:
210 throw new InvalidOperationException("Encountered invalid type when converting byte array", new TypeLoadException(string.Format("Type: '{0}' was unexpected.", name)));
211 }
212 return list.ToArray();
213 }
214 #endregion
215 }
216 }

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