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-rw-r--r--vendor/symfony/finder/Glob.php116
1 files changed, 116 insertions, 0 deletions
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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\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;
+ }
+}