/**
* Create a permessage-deflate extension using the settings specified in the given header token.
*
* @param HeaderToken $token
* @return PerMessageDeflate
*
* @throws \OutOfRangeException When the compression / decompression window exponent is not between 8 and 15.
*/
public static function fromHeaderToken(HeaderToken $token) : PerMessageDeflate
{
$compressionTakeover = $token->getParam('client_no_context_takeover', true) ? true : false;
$decompressionTakeover = $token->getParam('server_no_context_takeover', true) ? true : false;
$compressionWindow = (int) $token->getParam('client_max_window_bits', 15);
$decompressionWindow = (int) $token->getParam('server_max_window_bits', 15);
if ($compressionWindow < 8 || $compressionWindow > 15) {
throw new \OutOfRangeException(\sprintf('Client window size must be between 8 and 15, given %s', $compressionWindow));
}
if ($decompressionWindow < 8 || $decompressionWindow > 15) {
throw new \OutOfRangeException(\sprintf('Server window size must be between 8 and 15, given %s', $decompressionWindow));
}
return new PerMessageDeflate($compressionTakeover, $decompressionTakeover, $compressionWindow, $decompressionWindow);
}
/**
* Create a new content type.
*
* @param string $type
* @param array $params
*/
public function __construct($type, array $params = [])
{
parent::__construct((string) $type, $params);
$this->value = new MediaType($type);
}
public function getHeaderTokens(string $name, string $separator = ',') : array
{
return HeaderToken::parseList($this->getHeaderLine($name, $separator), $separator);
}
