127 lines
3.8 KiB
PHP
127 lines
3.8 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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/**
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* Doctrine_FileFinder_GlobToRegex
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*
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* Match globbing patterns against text.
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*
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* if match_glob("foo.*", "foo.bar") echo "matched\n";
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*
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* // prints foo.bar and foo.baz
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* $regex = globToRegex("foo.*");
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* for (array('foo.bar', 'foo.baz', 'foo', 'bar') as $t)
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* {
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* if (/$regex/) echo "matched: $car\n";
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* }
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*
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* Doctrine_FileFinder_GlobToRegex implements glob(3) style matching that can be used to match
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* against text, rather than fetching names from a filesystem.
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*
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* based on perl Text::Glob module.
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*
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* @package Doctrine
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* @subpackage FileFinder
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* @author Fabien Potencier <fabien.potencier@gmail.com> php port
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* @author Richard Clamp <richardc@unixbeard.net> perl version
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* @copyright 2004-2005 Fabien Potencier <fabien.potencier@gmail.com>
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* @copyright 2002 Richard Clamp <richardc@unixbeard.net>
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* @version SVN: $Id: Doctrine_FileFinder.class.php 5110 2007-09-15 12:07:18Z fabien $
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*/
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class Doctrine_FileFinder_GlobToRegex
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{
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protected static $strictLeadingDot = true;
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protected static $strictWildcardSlash = true;
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public static function setStrictLeadingDot($boolean)
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{
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self::$strictLeadingDot = $boolean;
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}
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public static function setStrictWildcardSlash($boolean)
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{
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self::$strictWildcardSlash = $boolean;
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}
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/**
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* Returns a compiled regex which is the equiavlent of the globbing pattern.
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*
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* @param string glob pattern
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* @return string regex
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*/
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public static function globToRegex($glob)
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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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for ($i = 0; $i < strlen($glob); $i++) {
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$car = $glob[$i];
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if ($firstByte) {
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if (self::$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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} else if ($car == '*') {
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$regex .= ($escaping ? "\\*" : (self::$strictWildcardSlash ? "[^/]*" : ".*"));
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} else if ($car == '?') {
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$regex .= ($escaping ? "\\?" : (self::$strictWildcardSlash ? "[^/]" : "."));
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} else if ($car == '{') {
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$regex .= ($escaping ? "\\{" : "(");
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if ( ! $escaping) {
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++$inCurlies;
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}
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} else if ($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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} else if ($car == ',' && $inCurlies) {
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$regex .= ($escaping ? "," : "|");
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} else if ($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 .= $car;
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$escaping = false;
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}
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$escaping = false;
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}
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return "#^$regex$#";
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}
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} |