Compress UInt : int « Data Types « C# / C Sharp

1. C# / C Sharp
2. Data Types
3. int

Compress UInt

  

using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;


public static class Utility
{
    public static byte[] CompressUInt(uint data)
    {
        if (data <= 0x7F)
        {
            var bytes = new byte[1];
            bytes[0] = (byte)data;
            return bytes;
        }
        else if (data <= 0x3FFF)
        {
            var bytes = new byte[2];
            bytes[0] = (byte)(((data & 0xFF00) >> 8) | 0x80);
            bytes[1] = (byte)(data & 0x00FF);
            return bytes;
        }
        else if (data <= 0x1FFFFFFF)
        {
            var bytes = new byte[4];
            bytes[0] = (byte)(((data & 0xFF000000) >> 24) | 0xC0);
            bytes[1] = (byte)((data & 0x00FF0000) >> 16);
            bytes[2] = (byte)((data & 0x0000FF00) >> 8);
            bytes[3] = (byte)(data & 0x000000FF);
            return bytes;
        }
        else
            throw new NotSupportedException();
    }
}

   
    
  

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