Your IP : 3.148.112.15
<?
class CASNReader
{
protected $value;
public function __construct($value='')
{
$this->value = $value;
}
public function Read(&$buf)
{
self::ReadByte($buf);
$size = self::ReadByte($buf);
if($size > 127)
{
$sizeLen = $size - 0x80;
$size = self::ToInt(self::ReadBytes($buf, $sizeLen));
}
$this->value = self::ReadBytes($buf, $size);
}
protected static function ReadBytes(&$buf, $len)
{
$res = substr($buf, 0, $len);
$buf = substr($buf, $len);
return $res;
}
protected static function ReadByte(&$buf)
{
return ord(self::ReadBytes($buf, 1));
}
protected static function ToInt($bin)
{
$result = 0;
$len = strlen($bin);
for($i=0; $i<$len; $i++)
{
$byte = self::ReadByte($bin);
$result += $byte << (($len-$i-1)*8);
}
return $result;
}
public function GetValue()
{
$result = $this->value;
if(ord($result[0]) == 0x00)
$result = substr($result, 1);
return $result;
}
public function GetSequence()
{
$arResult = array();
$val = $this->value;
while($val <> '')
{
$sequence = new CASNReader();
$sequence->Read($val);
$arResult[] = $sequence;
}
return $arResult;
}
}
?>