* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Console\Input; /** * StringInput represents an input provided as a string. * * Usage: * * $input = new StringInput('foo --bar="foobar"'); * * @author Fabien Potencier * * @api */ class StringInput extends ArgvInput { const REGEX_STRING = '([^\s]+?)(?:\s|(?setTokens($this->tokenize($input)); if (null !== $definition) { $this->bind($definition); } } /** * Tokenizes a string. * * @param string $input The input to tokenize * * @return array An array of tokens * * @throws \InvalidArgumentException When unable to parse input (should never happen) */ private function tokenize($input) { $tokens = array(); $length = strlen($input); $cursor = 0; while ($cursor < $length) { if (preg_match('/\s+/A', $input, $match, null, $cursor)) { } elseif (preg_match('/([^="\'\s]+?)(=?)('.self::REGEX_QUOTED_STRING.'+)/A', $input, $match, null, $cursor)) { $tokens[] = $match[1].$match[2].stripcslashes(str_replace(array('"\'', '\'"', '\'\'', '""'), '', substr($match[3], 1, strlen($match[3]) - 2))); } elseif (preg_match('/'.self::REGEX_QUOTED_STRING.'/A', $input, $match, null, $cursor)) { $tokens[] = stripcslashes(substr($match[0], 1, strlen($match[0]) - 2)); } elseif (preg_match('/'.self::REGEX_STRING.'/A', $input, $match, null, $cursor)) { $tokens[] = stripcslashes($match[1]); } else { // should never happen // @codeCoverageIgnoreStart throw new \InvalidArgumentException(sprintf('Unable to parse input near "... %s ..."', substr($input, $cursor, 10))); // @codeCoverageIgnoreEnd } $cursor += strlen($match[0]); } return $tokens; } }