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- <?php
- namespace Symfony\Component\Finder;
- class Glob
- {
-
- public static function toRegex(string $glob, bool $strictLeadingDot = true, bool $strictWildcardSlash = true, string $delimiter = '#'): string
- {
- $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;
- }
- }
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