60 lines
1.7 KiB
C#
60 lines
1.7 KiB
C#
using System;
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using System.IO;
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namespace UniJSON
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{
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public static class ByteExtensions
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{
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public static Byte GetHexDigit(this UInt16 n, int index)
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{
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return (Byte)(n >> 8 * index & 0xff);
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}
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public static Byte GetHexDigit(this UInt32 n, int index)
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{
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return (Byte)(n >> 8 * index & 0xff);
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}
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public static Byte GetHexDigit(this UInt64 n, int index)
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{
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return (Byte)(n >> 8 * index & 0xff);
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}
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public static Byte GetHexDigit(this Int16 n, int index)
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{
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return (Byte)(n >> 8 * index & 0xff);
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}
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public static Byte GetHexDigit(this Int32 n, int index)
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{
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return (Byte)(n >> 8 * index & 0xff);
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}
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public static Byte GetHexDigit(this Int64 n, int index)
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{
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return (Byte)(n >> 8 * index & 0xff);
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}
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public static UInt32 ToUint32(this Single n, Byte[] buffer)
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{
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if (buffer.Length < 4)
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{
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throw new ArgumentException();
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}
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using (var ms = new MemoryStream(buffer))
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using (var w = new BinaryWriter(ms))
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{
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w.Write(n);
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}
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return BitConverter.ToUInt32(buffer, 0);
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}
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public static UInt64 ToUint64(this Double n, Byte[] buffer)
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{
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if (buffer.Length < 8)
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{
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throw new ArgumentException();
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}
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using (var ms = new MemoryStream(buffer))
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using (var w = new BinaryWriter(ms))
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{
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w.Write(n);
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}
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return BitConverter.ToUInt64(buffer, 0);
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}
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}
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}
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