[COD] hexDecode Pawn

/*
 * @ Author: Bruno da Silva
 * @ Site: www.ips-team.blogspot.com
 * @ Date Hour: 17/08/2011 - 10:30
 */

main()
{
    return print(hexDecode("48656c6c6f576f726c644272756e6f"));
}

hexDecode(s[])
{
    new
        stringTexto[500],
        stringTemp[4],
        alocarNumerosInts;

    for (new i; s[i]; i++)
    {

        format(stringTemp, 4, "%s%s", s[i++], s[i]);

        switch (stringTemp[1])
        {
            case 0x58  , 0x78:          alocarNumerosInts = 0;
            case 0x30 .. 0x39:          alocarNumerosInts = (stringTemp[0] << 4) | (stringTemp[1] - 0x30);
            case 0x61 .. 0x66:          alocarNumerosInts = (stringTemp[0] << 4) | (stringTemp[1] - (0x61 - 0xA));
            case 0x40 .. 0x46:          alocarNumerosInts = (stringTemp[0] << 4) | (stringTemp[1] - (0x41 - 0xA));
        }

        format(stringTexto, 500, "%s%c", stringTexto, alocarNumerosInts);
    }
    return stringTexto;
}