/[RomCheater]/trunk/RomCheater.Core/BitTools.cs
ViewVC logotype

Annotation of /trunk/RomCheater.Core/BitTools.cs

Parent Directory Parent Directory | Revision Log Revision Log


Revision 526 - (hide annotations) (download)
Wed Jun 5 08:03:28 2013 UTC (7 years, 4 months ago) by william
File size: 9340 byte(s)

1 william 526 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     }

  ViewVC Help
Powered by ViewVC 1.1.22