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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\Console\Input;
- use Symfony\Component\Console\Exception\InvalidArgumentException;
- /**
- * StringInput represents an input provided as a string.
- *
- * Usage:
- *
- * $input = new StringInput('foo --bar="foobar"');
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
- class StringInput extends ArgvInput
- {
- const REGEX_STRING = '([^\s]+?)(?:\s|(?<!\\\\)"|(?<!\\\\)\'|$)';
- const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\')';
- /**
- * Constructor.
- *
- * @param string $input An array of parameters from the CLI (in the argv format)
- */
- public function __construct($input)
- {
- parent::__construct(array());
- $this->setTokens($this->tokenize($input));
- }
- /**
- * 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
- throw new InvalidArgumentException(sprintf('Unable to parse input near "... %s ..."', substr($input, $cursor, 10)));
- }
- $cursor += strlen($match[0]);
- }
- return $tokens;
- }
- }
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