StringInput.php in Zircon Profile 8

Namespace

Symfony\Component\Console\Input

File

vendor/symfony/console/Input/StringInput.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * 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:
 *
 *     $input = new StringInput('foo --bar="foobar"');
 *
 * @author Fabien Potencier <[e-mail]>
 */
class StringInput extends ArgvInput {
  const REGEX_STRING = '([^\\s]+?)(?:\\s|(?<!\\\\)"|(?<!\\\\)\'|$)';
  const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\')';

  /**
   * Constructor.
   *
   * @param string          $input      An array of parameters from the CLI (in the argv format)
   * @param InputDefinition $definition A InputDefinition instance
   *
   * @deprecated The second argument is deprecated as it does not work (will be removed in 3.0), use 'bind' method instead
   */
  public function __construct($input, InputDefinition $definition = null) {
    if ($definition) {
      @trigger_error('The $definition argument of the ' . __METHOD__ . ' method is deprecated and will be removed in 3.0. Set this parameter with the bind() method instead.', E_USER_DEPRECATED);
    }
    parent::__construct(array(), null);
    $this
      ->setTokens($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
        throw new \InvalidArgumentException(sprintf('Unable to parse input near "... %s ..."', substr($input, $cursor, 10)));
      }
      $cursor += strlen($match[0]);
    }
    return $tokens;
  }

}

Classes

Name	Description
StringInput	StringInput represents an input provided as a string.