mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 12:30:32 +00:00
33d16fca1c
Improved dialog of testrunner for saving the file Fixed changes in FatDirectoryEntry Added tests to EncodingTests for UnicodeEncoding
40 lines
1.4 KiB
C#
40 lines
1.4 KiB
C#
namespace Cosmos.Common.Extensions
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{
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// This class extends BitConvertor. BitConvertor does not give us the ability to set specific parts of a byte array.
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// The extension functions are an easy and quick way to set certain values in a byte array.
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// TODO: In the future we should find a way to inline and asm these, or maybe use way to map
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// a record structure on top of a byte array for speed.
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//
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// BitConverter also uses platform specific endianness and cannot be changed.
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// Since we read from disk, network etc we must be able to specify and change endianness.
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//
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// Default methods are LittleEndian
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static public class ByteConverter
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{
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public static void SetUInt16(this byte[] n, ulong aPos, ushort value)
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{
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n[aPos + 0] = (byte)value;
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n[aPos + 1] = (byte)(value >> 8);
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}
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public static void SetUInt32(this byte[] n, ulong aPos, uint value)
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{
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n[aPos + 0] = (byte)value;
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n[aPos + 1] = (byte)(value >> 8);
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n[aPos + 2] = (byte)(value >> 16);
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n[aPos + 3] = (byte)(value >> 24);
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}
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public static void SetUInt64(this byte[] n, ulong aPos, ulong value)
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{
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n[aPos + 0] = (byte)value;
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n[aPos + 1] = (byte)(value >> 8);
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n[aPos + 2] = (byte)(value >> 16);
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n[aPos + 3] = (byte)(value >> 24);
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n[aPos + 4] = (byte)(value >> 32);
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n[aPos + 5] = (byte)(value >> 40);
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n[aPos + 6] = (byte)(value >> 48);
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n[aPos + 7] = (byte)(value >> 56);
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}
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}
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}
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