158 lines
3.5 KiB
PHP
158 lines
3.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Finder\Expression;
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/**
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* @author Jean-François Simon <contact@jfsimon.fr>
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*/
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class Glob implements ValueInterface
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{
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/**
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* @var string
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*/
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private $pattern;
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/**
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* @param string $pattern
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*/
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public function __construct($pattern)
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{
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$this->pattern = $pattern;
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}
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/**
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* {@inheritdoc}
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*/
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public function render()
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{
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return $this->pattern;
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}
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/**
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* {@inheritdoc}
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*/
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public function renderPattern()
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{
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return $this->pattern;
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}
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/**
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* {@inheritdoc}
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*/
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public function getType()
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{
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return Expression::TYPE_GLOB;
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}
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/**
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* {@inheritdoc}
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*/
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public function isCaseSensitive()
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{
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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public function prepend($expr)
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{
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$this->pattern = $expr.$this->pattern;
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return $this;
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}
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/**
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* {@inheritdoc}
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*/
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public function append($expr)
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{
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$this->pattern .= $expr;
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return $this;
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}
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/**
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* Tests if glob is expandable ("*.{a,b}" syntax).
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*
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* @return bool
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*/
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public function isExpandable()
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{
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return false !== strpos($this->pattern, '{')
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&& false !== strpos($this->pattern, '}');
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}
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/**
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* @param bool $strictLeadingDot
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* @param bool $strictWildcardSlash
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*
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* @return Regex
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*/
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public function toRegex($strictLeadingDot = true, $strictWildcardSlash = true)
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{
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$firstByte = true;
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$escaping = false;
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$inCurlies = 0;
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$regex = '';
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$sizeGlob = strlen($this->pattern);
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for ($i = 0; $i < $sizeGlob; $i++) {
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$car = $this->pattern[$i];
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if ($firstByte) {
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if ($strictLeadingDot && '.' !== $car) {
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$regex .= '(?=[^\.])';
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}
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$firstByte = false;
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}
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if ('/' === $car) {
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$firstByte = true;
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}
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if ('.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
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$regex .= "\\$car";
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} elseif ('*' === $car) {
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$regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*');
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} elseif ('?' === $car) {
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$regex .= $escaping ? '\\?' : ($strictWildcardSlash ? '[^/]' : '.');
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} elseif ('{' === $car) {
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$regex .= $escaping ? '\\{' : '(';
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if (!$escaping) {
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++$inCurlies;
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}
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} elseif ('}' === $car && $inCurlies) {
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$regex .= $escaping ? '}' : ')';
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if (!$escaping) {
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--$inCurlies;
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}
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} elseif (',' === $car && $inCurlies) {
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$regex .= $escaping ? ',' : '|';
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} elseif ('\\' === $car) {
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if ($escaping) {
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$regex .= '\\\\';
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$escaping = false;
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} else {
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$escaping = true;
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}
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continue;
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} else {
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$regex .= $car;
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}
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$escaping = false;
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}
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return new Regex('^'.$regex.'$');
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}
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}
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