/**
*
* @param resource $stream Stream
* @throws \InvalidArgumentException
*/
public function __construct($stream)
{
if (!\is_resource($stream)) {
throw new \InvalidArgumentException('Argument should be a resource');
}
$resType = \get_resource_type($stream);
if (\preg_match('/stream/i', $resType)) {
$this->stream = $stream;
$metadata = $this->getMetaData();
\preg_match('/^([rwax])(\\+?)/', $metadata['mode'], $match);
$this->flags = new BitMask();
if ($match[2] == '+') {
$this->flags->add(self::READABLE)->add(self::WRITABLE);
} else {
if ($match[1] == 'r') {
$this->flags->add(self::READABLE);
} else {
$this->flags->add(self::WRITABLE);
}
}
if (\preg_match('/persistent/i', $resType)) {
$this->flags->add(self::PERSISTENT);
}
if ($this->getMetaData('seekable', false)) {
$this->flags->add(self::SEEKABLE);
}
} else {
throw new \InvalidArgumentException('Invalid stream resource');
}
}
/**
* @test
*/
public function bindTest()
{
$binded = 128;
$this->bitmask->bind($binded);
$this->assertTrue($this->bitmask->add(64) === $this->bitmask && $binded === 192);
}
/**
* Returns a bitmask with all log levels registered.
*
* @return BitMask
*/
public static function maskAll()
{
static $mask = null;
if (\is_null($mask)) {
$mask = new BitMask();
foreach (static::listLevels() as $level) {
$mask->add($level);
}
}
return clone $mask;
}
