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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using System.IO; |
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|
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namespace RomCheater.Core |
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{ |
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public static class BitTools |
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{ |
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const byte BitsPerByte = 8; |
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|
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#region SizeOf Members |
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public static T SizeOf<T>() where T : IConvertible |
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{ |
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Type t = typeof(T); |
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string name = t.Name.ToLower(); |
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switch (name) |
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{ |
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case "byte": // unsigned byte |
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return (T)Convert.ChangeType(sizeof(byte), typeof(T)); |
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case "sbyte": // signed byte |
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return (T)Convert.ChangeType(sizeof(sbyte), typeof(T)); |
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case "int16": // short |
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return (T)Convert.ChangeType(sizeof(short), typeof(T)); |
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case "uint16": // ushort |
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return (T)Convert.ChangeType(sizeof(ushort), typeof(T)); |
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case "int32": // int |
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return (T)Convert.ChangeType(sizeof(int), typeof(T)); |
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case "uint32": // uint |
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return (T)Convert.ChangeType(sizeof(uint), typeof(T)); |
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case "int64": // long |
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return (T)Convert.ChangeType(sizeof(long), typeof(T)); |
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case "uint64": // ulong |
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return (T)Convert.ChangeType(sizeof(ulong), typeof(T)); |
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default: |
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throw new InvalidOperationException("Encountered invalid type when converting byte array", new TypeLoadException(string.Format("Type: '{0}' was unexpected.", name))); |
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} |
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} |
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public static T SizeOf<T>(SearchDataTypes sdt) where T : IConvertible |
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{ |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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return (T)Convert.ChangeType(((int)sdt / BitsPerByte), typeof(T)); |
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} |
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|
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#region sbyte/byte output |
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public static void SizeOf(SearchDataTypes sdt, out sbyte size) |
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{ |
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size = 0; |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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size = Convert.ToSByte((sbyte)sdt / BitsPerByte); |
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} |
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public static void SizeOf(SearchDataTypes sdt, out byte size) |
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{ |
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size = 0; |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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size = Convert.ToByte((byte)sdt / BitsPerByte); |
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} |
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#endregion |
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|
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#region short/ushort output |
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public static void SizeOf(SearchDataTypes sdt, out short size) |
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{ |
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size = 0; |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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size = Convert.ToInt16((short)sdt / BitsPerByte); |
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} |
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public static void SizeOf(SearchDataTypes sdt, out ushort size) |
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{ |
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size = 0; |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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size = Convert.ToUInt16((ushort)sdt / BitsPerByte); |
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} |
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#endregion |
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|
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#region int/uint output |
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public static void SizeOf(SearchDataTypes sdt, out int size) |
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{ |
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size = 0; |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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size = Convert.ToInt32((int)sdt / BitsPerByte); |
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} |
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public static void SizeOf(SearchDataTypes sdt, out uint size) |
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{ |
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size = 0; |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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size = Convert.ToUInt32((uint)sdt / BitsPerByte); |
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} |
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#endregion |
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|
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#region long/ulong output |
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public static void SizeOf(SearchDataTypes sdt, out long size) |
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{ |
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size = 0; |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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size = Convert.ToInt64((uint)sdt / BitsPerByte); |
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} |
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public static void SizeOf(SearchDataTypes sdt, out ulong size) |
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{ |
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size = 0; |
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if (!Enum.IsDefined(typeof(SearchDataTypes), sdt)) |
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{ |
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throw new ArgumentException(string.Format("DataType: 0x{0} has not been defined", ((int)sdt).ToString("X")), "sdt"); |
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} |
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size = Convert.ToUInt64((uint)sdt / BitsPerByte); |
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} |
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#endregion |
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#endregion |
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|
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#region Structure Support |
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|
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public static T[] ConvertByteArray<T>(byte[] data, Func<bool> cancelmethod) where T : IConvertible |
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{ |
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Type t = typeof(T); |
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string name = t.Name.ToLower(); |
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|
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List<T> list = new List<T>(); |
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|
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switch (name) |
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{ |
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case "byte": // unsigned byte |
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//list = new List<T>(); |
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//using (MemoryStream ms = new MemoryStream(data)) |
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//{ |
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// using (BinaryReader br = new BinaryReader(ms)) |
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// { |
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// while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadByte(), typeof(T))); if (cancelmethod.Invoke()) { break; } } |
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// } |
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//} |
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//break; |
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throw new NotSupportedException("Conversion from byte[] to byte[] is not supported because the data can be used without conversion."); |
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case "sbyte": // signed byte |
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//list = new List<T>(); |
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//using (MemoryStream ms = new MemoryStream(data)) |
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//{ |
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// using (BinaryReader br = new BinaryReader(ms)) |
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// { |
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// while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadSByte(), typeof(T))); if (cancelmethod.Invoke()) { break; } } |
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// } |
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//} |
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//break; |
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throw new NotSupportedException("Conversion from byte[] to sbyte[] is not supported because the data can be used without conversion."); |
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case "int16": // short |
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list = new List<T>(); |
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using (MemoryStream ms = new MemoryStream(data)) |
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{ |
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using (BinaryReader br = new BinaryReader(ms)) |
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{ |
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while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadInt16(), typeof(T))); if (cancelmethod.Invoke()) { break; } } |
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} |
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} |
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break; |
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case "uint16": // ushort |
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list = new List<T>(); |
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using (MemoryStream ms = new MemoryStream(data)) |
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{ |
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using (BinaryReader br = new BinaryReader(ms)) |
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{ |
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while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadUInt16(), typeof(T))); if (cancelmethod.Invoke()) { break; } } |
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} |
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} |
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break; |
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case "int32": // int |
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list = new List<T>(); |
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using (MemoryStream ms = new MemoryStream(data)) |
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{ |
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using (BinaryReader br = new BinaryReader(ms)) |
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{ |
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while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadInt32(), typeof(T))); if (cancelmethod.Invoke()) { break; } } |
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} |
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} |
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break; |
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case "uint32": // uint |
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list = new List<T>(); |
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using (MemoryStream ms = new MemoryStream(data)) |
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{ |
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using (BinaryReader br = new BinaryReader(ms)) |
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{ |
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while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadUInt32(), typeof(T))); if (cancelmethod.Invoke()) { break; } } |
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} |
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} |
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break; |
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case "int64": // long |
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list = new List<T>(); |
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using (MemoryStream ms = new MemoryStream(data)) |
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{ |
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using (BinaryReader br = new BinaryReader(ms)) |
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{ |
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while (br.BaseStream.Position < br.BaseStream.Length) {list.Add((T)Convert.ChangeType(br.ReadInt64(), typeof(T))); if (cancelmethod.Invoke()) { break; } } |
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} |
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} |
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break; |
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case "uint64": // ulong |
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list = new List<T>(); |
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using (MemoryStream ms = new MemoryStream(data)) |
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{ |
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using (BinaryReader br = new BinaryReader(ms)) |
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{ |
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while (br.BaseStream.Position < br.BaseStream.Length) { list.Add((T)Convert.ChangeType(br.ReadUInt64(), typeof(T))); if (cancelmethod.Invoke()) { break; } } |
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} |
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} |
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break; |
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default: |
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throw new InvalidOperationException("Encountered invalid type when converting byte array", new TypeLoadException(string.Format("Type: '{0}' was unexpected.", name))); |
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} |
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return list.ToArray(); |
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} |
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#endregion |
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} |
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} |
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