Mercurial > hg > isophonics-drupal-site
comparison vendor/symfony/console/Input/StringInput.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 1fec387a4317 |
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-1:000000000000 | 0:4c8ae668cc8c |
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1 <?php | |
2 | |
3 /* | |
4 * This file is part of the Symfony package. | |
5 * | |
6 * (c) Fabien Potencier <fabien@symfony.com> | |
7 * | |
8 * For the full copyright and license information, please view the LICENSE | |
9 * file that was distributed with this source code. | |
10 */ | |
11 | |
12 namespace Symfony\Component\Console\Input; | |
13 | |
14 use Symfony\Component\Console\Exception\InvalidArgumentException; | |
15 | |
16 /** | |
17 * StringInput represents an input provided as a string. | |
18 * | |
19 * Usage: | |
20 * | |
21 * $input = new StringInput('foo --bar="foobar"'); | |
22 * | |
23 * @author Fabien Potencier <fabien@symfony.com> | |
24 */ | |
25 class StringInput extends ArgvInput | |
26 { | |
27 const REGEX_STRING = '([^\s]+?)(?:\s|(?<!\\\\)"|(?<!\\\\)\'|$)'; | |
28 const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\')'; | |
29 | |
30 /** | |
31 * Constructor. | |
32 * | |
33 * @param string $input An array of parameters from the CLI (in the argv format) | |
34 */ | |
35 public function __construct($input) | |
36 { | |
37 parent::__construct(array()); | |
38 | |
39 $this->setTokens($this->tokenize($input)); | |
40 } | |
41 | |
42 /** | |
43 * Tokenizes a string. | |
44 * | |
45 * @param string $input The input to tokenize | |
46 * | |
47 * @return array An array of tokens | |
48 * | |
49 * @throws InvalidArgumentException When unable to parse input (should never happen) | |
50 */ | |
51 private function tokenize($input) | |
52 { | |
53 $tokens = array(); | |
54 $length = strlen($input); | |
55 $cursor = 0; | |
56 while ($cursor < $length) { | |
57 if (preg_match('/\s+/A', $input, $match, null, $cursor)) { | |
58 } elseif (preg_match('/([^="\'\s]+?)(=?)('.self::REGEX_QUOTED_STRING.'+)/A', $input, $match, null, $cursor)) { | |
59 $tokens[] = $match[1].$match[2].stripcslashes(str_replace(array('"\'', '\'"', '\'\'', '""'), '', substr($match[3], 1, strlen($match[3]) - 2))); | |
60 } elseif (preg_match('/'.self::REGEX_QUOTED_STRING.'/A', $input, $match, null, $cursor)) { | |
61 $tokens[] = stripcslashes(substr($match[0], 1, strlen($match[0]) - 2)); | |
62 } elseif (preg_match('/'.self::REGEX_STRING.'/A', $input, $match, null, $cursor)) { | |
63 $tokens[] = stripcslashes($match[1]); | |
64 } else { | |
65 // should never happen | |
66 throw new InvalidArgumentException(sprintf('Unable to parse input near "... %s ..."', substr($input, $cursor, 10))); | |
67 } | |
68 | |
69 $cursor += strlen($match[0]); | |
70 } | |
71 | |
72 return $tokens; | |
73 } | |
74 } |