/**
* Given an error, this tries to guess the cause and throw an exception.
*
* Stream wrappers do not deal with error conditions gracefully. (For starters,
* during an error one cannot access the HTTP headers). The only useful piece
* of data given is the contents of the last error buffer.
*
* This uses the contents of that buffer to attempt to learn what happened
* during the request. It then throws an exception that seems appropriate for the
* given context.
*/
protected function guessError($err, $uri, $method)
{
$regex = '/HTTP\\/1\\.[01]? ([0-9]+) ([ a-zA-Z]+)/';
$matches = array();
preg_match($regex, $err, $matches);
if (count($matches) < 3) {
throw new \HPCloud\Exception($err);
}
Response::failure($matches[1], $matches[0], $uri, $method);
}
