diff options
Diffstat (limited to 'vendor/symfony/finder/Glob.php')
-rw-r--r-- | vendor/symfony/finder/Glob.php | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/vendor/symfony/finder/Glob.php b/vendor/symfony/finder/Glob.php new file mode 100644 index 00000000..df8b86fa --- /dev/null +++ b/vendor/symfony/finder/Glob.php @@ -0,0 +1,116 @@ +<?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\Finder; + +/** + * Glob matches globbing patterns against text. + * + * if match_glob("foo.*", "foo.bar") echo "matched\n"; + * + * // prints foo.bar and foo.baz + * $regex = glob_to_regex("foo.*"); + * for (array('foo.bar', 'foo.baz', 'foo', 'bar') as $t) + * { + * if (/$regex/) echo "matched: $car\n"; + * } + * + * Glob implements glob(3) style matching that can be used to match + * against text, rather than fetching names from a filesystem. + * + * Based on the Perl Text::Glob module. + * + * @author Fabien Potencier <fabien@symfony.com> PHP port + * @author Richard Clamp <richardc@unixbeard.net> Perl version + * @copyright 2004-2005 Fabien Potencier <fabien@symfony.com> + * @copyright 2002 Richard Clamp <richardc@unixbeard.net> + */ +class Glob +{ + /** + * Returns a regexp which is the equivalent of the glob pattern. + * + * @param string $glob The glob pattern + * @param bool $strictLeadingDot + * @param bool $strictWildcardSlash + * @param string $delimiter Optional delimiter + * + * @return string regex The regexp + */ + public static function toRegex($glob, $strictLeadingDot = true, $strictWildcardSlash = true, $delimiter = '#') + { + $firstByte = true; + $escaping = false; + $inCurlies = 0; + $regex = ''; + $sizeGlob = strlen($glob); + for ($i = 0; $i < $sizeGlob; ++$i) { + $car = $glob[$i]; + if ($firstByte && $strictLeadingDot && '.' !== $car) { + $regex .= '(?=[^\.])'; + } + + $firstByte = '/' === $car; + + if ($firstByte && $strictWildcardSlash && isset($glob[$i + 2]) && '**' === $glob[$i + 1].$glob[$i + 2] && (!isset($glob[$i + 3]) || '/' === $glob[$i + 3])) { + $car = '[^/]++/'; + if (!isset($glob[$i + 3])) { + $car .= '?'; + } + + if ($strictLeadingDot) { + $car = '(?=[^\.])'.$car; + } + + $car = '/(?:'.$car.')*'; + $i += 2 + isset($glob[$i + 3]); + + if ('/' === $delimiter) { + $car = str_replace('/', '\\/', $car); + } + } + + if ($delimiter === $car || '.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) { + $regex .= "\\$car"; + } elseif ('*' === $car) { + $regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*'); + } elseif ('?' === $car) { + $regex .= $escaping ? '\\?' : ($strictWildcardSlash ? '[^/]' : '.'); + } elseif ('{' === $car) { + $regex .= $escaping ? '\\{' : '('; + if (!$escaping) { + ++$inCurlies; + } + } elseif ('}' === $car && $inCurlies) { + $regex .= $escaping ? '}' : ')'; + if (!$escaping) { + --$inCurlies; + } + } elseif (',' === $car && $inCurlies) { + $regex .= $escaping ? ',' : '|'; + } elseif ('\\' === $car) { + if ($escaping) { + $regex .= '\\\\'; + $escaping = false; + } else { + $escaping = true; + } + + continue; + } else { + $regex .= $car; + } + $escaping = false; + } + + return $delimiter.'^'.$regex.'$'.$delimiter; + } +} |