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doctrine2/lib/vendor/Symfony/Component/Console/Input/StringInput.php

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<?php
namespace Symfony\Component\Console\Input;
/*
* This file is part of the Symfony framework.
*
* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
/**
* StringInput represents an input provided as a string.
*
* Usage:
*
* $input = new StringInput('foo --bar="foobar"');
*
* @author Fabien Potencier <fabien.potencier@symfony-project.com>
*/
class StringInput extends ArgvInput
{
const REGEX_STRING = '([^ ]+?)(?: |(?<!\\\\)"|(?<!\\\\)\'|$)';
const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\')';
/**
* Constructor.
*
* @param string $input An array of parameters from the CLI (in the argv format)
* @param InputDefinition $definition A InputDefinition instance
*/
public function __construct($input, InputDefinition $definition = null)
{
parent::__construct(array(), $definition);
$this->tokens = $this->tokenize($input);
}
/**
* @throws \InvalidArgumentException When unable to parse input (should never happen)
*/
protected function tokenize($input)
{
$input = preg_replace('/(\r\n|\r|\n|\t)/', ' ', $input);
$tokens = array();
$length = strlen($input);
$cursor = 0;
while ($cursor < $length) {
if (preg_match('/\s+/A', $input, $match, null, $cursor)) {
} elseif (preg_match('/([^="\' ]+?)(=?)('.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;
}
}