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Bitwise Guid helpers

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This commit is contained in:
Marc Hernandez 2025-08-25 17:00:36 -07:00
parent 7f3a497eb0
commit ce75909b8b
1 changed files with 81 additions and 0 deletions
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util/Guid.cs Normal file
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using System;
namespace lib;
public static class Guid
{
public static System.Guid GuidFromLongs( long a, long b )
{
byte[] guidData = new byte[16];
Array.Copy( BitConverter.GetBytes( a ), guidData, 8 );
Array.Copy( BitConverter.GetBytes( b ), 0, guidData, 8, 8 );
return new System.Guid( guidData );
}
public static (long, long) ToLongs( this System.Guid guid )
{
var bytes = guid.ToByteArray();
var long1 = BitConverter.ToInt64( bytes, 0 );
var long2 = BitConverter.ToInt64( bytes, 8 );
return (long1, long2);
}
public static System.Guid GuidFromULongs( ulong a, ulong b )
{
byte[] guidData = new byte[16];
Array.Copy( BitConverter.GetBytes( a ), guidData, 8 );
Array.Copy( BitConverter.GetBytes( b ), 0, guidData, 8, 8 );
return new System.Guid( guidData );
}
public static (ulong, ulong) ToULongs( this System.Guid guid )
{
var bytes = guid.ToByteArray();
var ulong1 = BitConverter.ToUInt64( bytes, 0 );
var ulong2 = BitConverter.ToUInt64( bytes, 8 );
return (ulong1, ulong2);
}
public static System.Guid GuidFromInts( int a, int b, int c, int d )
{
byte[] guidData = new byte[16];
Array.Copy( BitConverter.GetBytes( a ), guidData, 4 );
Array.Copy( BitConverter.GetBytes( b ), 0, guidData, 4, 4 );
Array.Copy( BitConverter.GetBytes( c ), 0, guidData, 8, 4 );
Array.Copy( BitConverter.GetBytes( d ), 0, guidData, 12, 4 );
return new System.Guid( guidData );
}
public static (int, int, int, int) ToInts( this System.Guid guid )
{
var bytes = guid.ToByteArray();
var a = BitConverter.ToInt32( bytes, 0 );
var b = BitConverter.ToInt32( bytes, 4 );
var c = BitConverter.ToInt32( bytes, 8 );
var d = BitConverter.ToInt32( bytes, 12 );
return (a, b, c, d);
}
public static System.Guid GuidFromUInts( uint a, uint b, uint c, uint d )
{
byte[] guidData = new byte[16];
Array.Copy( BitConverter.GetBytes( a ), guidData, 4 );
Array.Copy( BitConverter.GetBytes( b ), 0, guidData, 4, 4 );
Array.Copy( BitConverter.GetBytes( c ), 0, guidData, 8, 4 );
Array.Copy( BitConverter.GetBytes( d ), 0, guidData, 12, 4 );
return new System.Guid( guidData );
}
public static (uint, uint, uint, uint) ToUInts( this System.Guid guid )
{
var bytes = guid.ToByteArray();
var a = BitConverter.ToUInt32( bytes, 0 );
var b = BitConverter.ToUInt32( bytes, 4 );
var c = BitConverter.ToUInt32( bytes, 8 );
var d = BitConverter.ToUInt32( bytes, 12 );
return (a, b, c, d);
}
}