2010-04-21 08:31:18 +01:00
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<?php
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namespace Symfony\Components\Finder;
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/*
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* This file is part of the Symfony framework.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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/**
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* Finder allows to build rules to find files and directories.
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*
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* It is a thin wrapper around several specialized iterator classes.
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*
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* All rules may be invoked several times, except for ->in() method.
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* Some rules are cumulative (->name() for example) whereas others are destructive
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* (most recent value is used, ->maxDepth() method for example).
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*
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* All methods return the current Finder object to allow easy chaining:
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*
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* $finder = new Finder();
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* $iterator = $finder->files()->name('*.php')->in(__DIR__);
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*
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* @package Symfony
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* @subpackage Components_Finder
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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*/
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2010-05-04 10:34:29 +01:00
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class Finder implements \IteratorAggregate
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2010-04-21 08:31:18 +01:00
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{
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2010-05-06 12:25:53 +01:00
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protected $mode = 0;
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protected $names = array();
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protected $notNames = array();
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protected $exclude = array();
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protected $filters = array();
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2010-05-14 08:29:04 +01:00
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protected $minDepth = 0;
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protected $maxDepth = INF;
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protected $sizes = array();
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protected $followLinks = false;
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protected $sort = false;
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protected $ignoreVCS = true;
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protected $dirs = array();
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2010-05-14 08:29:04 +01:00
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protected $minDate = false;
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protected $maxDate = false;
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2010-05-06 12:25:53 +01:00
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/**
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* Restricts the matching to directories only.
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*
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* @return Symfony\Components\Finder The current Finder instance
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*/
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public function directories()
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2010-04-21 08:31:18 +01:00
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{
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$this->mode = Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES;
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return $this;
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2010-05-04 10:34:29 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Restricts the matching to files only.
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*
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* @return Symfony\Components\Finder The current Finder instance
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*/
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public function files()
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2010-05-04 10:34:29 +01:00
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{
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$this->mode = Iterator\FileTypeFilterIterator::ONLY_FILES;
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Sets the maximum directory depth.
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*
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* The Finder will descend at most $level levels of directories below the starting point.
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*
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* @param int $level The max depth
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\LimitDepthFilterIterator
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*/
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public function maxDepth($level)
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{
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$this->maxDepth = (double) $level;
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2010-05-06 12:25:53 +01:00
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return $this;
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2010-05-04 10:34:29 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Sets the minimum directory depth.
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*
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* The Finder will start matching at level $level.
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*
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* @param int $level The min depth
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\LimitDepthFilterIterator
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*/
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public function minDepth($level)
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{
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$this->minDepth = (integer) $level;
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return $this;
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}
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/**
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* Sets the maximum date (last modified) for a file or directory.
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*
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* The date must be something that strtotime() is able to parse:
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*
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* $finder->maxDate('yesterday');
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* $finder->maxDate('2 days ago');
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* $finder->maxDate('now - 2 hours');
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* $finder->maxDate('2005-10-15');
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*
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* @param string $date A date
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\DateRangeFilterIterator
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*/
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public function maxDate($date)
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{
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if (false === $this->maxDate = @strtotime($date)) {
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throw new \InvalidArgumentException(sprintf('"%s" is not a valid date'));
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}
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return $this;
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}
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/**
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* Sets the minimum date (last modified) for a file or a directory.
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*
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* The date must be something that strtotime() is able to parse (@see maxDate()).
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*
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* @param string $date A date
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\DateRangeFilterIterator
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*/
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public function minDate($date)
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{
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if (false === $this->minDate = @strtotime($date)) {
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throw new \InvalidArgumentException(sprintf('"%s" is not a valid date'));
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}
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2010-05-06 12:25:53 +01:00
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return $this;
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2010-05-04 10:34:29 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Adds rules that files must match.
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*
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* You can use patterns (delimited with / sign), globs or simple strings.
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*
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* $finder->name('*.php')
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* $finder->name('/\.php$/') // same as above
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* $finder->name('test.php')
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*
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* @param string $pattern A pattern (a regexp, a glob, or a string)
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\FilenameFilterIterator
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*/
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public function name($pattern)
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2010-04-21 08:31:18 +01:00
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{
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$this->names[] = $pattern;
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Adds rules that files must not match.
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*
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* @param string $pattern A pattern (a regexp, a glob, or a string)
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\FilenameFilterIterator
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*/
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public function notName($pattern)
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{
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$this->notNames[] = $pattern;
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2010-05-04 10:34:29 +01:00
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2010-05-06 12:25:53 +01:00
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return $this;
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}
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2010-04-21 08:31:18 +01:00
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2010-05-06 12:25:53 +01:00
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/**
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* Adds tests for file sizes.
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*
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* $finder->size('> 10K');
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* $finder->size('<= 1Ki');
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* $finder->size(4);
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*
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* @param string $size A size range string
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\SizeRangeFilterIterator
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* @see Symfony\Components\Finder\NumberCompare
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*/
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public function size($size)
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{
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$this->sizes[] = new NumberCompare($size);
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Excludes directories.
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*
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* @param string $dir A directory to exclude
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\ExcludeDirectoryFilterIterator
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*/
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public function exclude($dir)
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{
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$this->exclude[] = $dir;
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2010-04-21 08:31:18 +01:00
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2010-05-06 12:25:53 +01:00
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return $this;
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}
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/**
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* Forces the finder to ignore version control directories.
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\IgnoreVcsFilterIterator
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*/
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public function ignoreVCS($ignoreVCS)
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2010-04-21 08:31:18 +01:00
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{
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2010-05-06 12:25:53 +01:00
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$this->ignoreVCS = (Boolean) $ignoreVCS;
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Sorts files and directories by an anonymous function.
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*
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* The anonymous function receives two \SplFileInfo instances to compare.
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*
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* This can be slow as all the matching files and directories must be retrieved for comparison.
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*
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* @param Closure $closure An anonymous function
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\SortableIterator
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*/
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public function sort(\Closure $closure)
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{
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$this->sort = $closure;
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Sorts files and directories by name.
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*
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* This can be slow as all the matching files and directories must be retrieved for comparison.
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\SortableIterator
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*/
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public function sortByName()
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{
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$this->sort = Iterator\SortableIterator::SORT_BY_NAME;
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Sorts files and directories by type (directories before files), then by name.
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*
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* This can be slow as all the matching files and directories must be retrieved for comparison.
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\SortableIterator
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*/
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public function sortByType()
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{
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$this->sort = Iterator\SortableIterator::SORT_BY_TYPE;
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Filters the iterator with an anonymous function.
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*
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* The anonymous function receives a \SplFileInfo and must return false
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* to remove files.
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*
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* @param Closure $closure An anonymous function
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @see Symfony\Components\Finder\Iterator\CustomFilterIterator
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*/
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public function filter(\Closure $closure)
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{
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$this->filters[] = $closure;
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Forces the following of symlinks.
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*
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* @return Symfony\Components\Finder The current Finder instance
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*/
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public function followLinks()
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{
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$this->followLinks = true;
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Searches files and directories which match defined rules.
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*
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* @param string|array $dirs A directory path or an array of directories
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*
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* @return Symfony\Components\Finder The current Finder instance
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*
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* @throws \InvalidArgumentException if one of the directory does not exist
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*/
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public function in($dirs)
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{
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if (!is_array($dirs)) {
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$dirs = array($dirs);
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}
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2010-05-07 15:09:11 +01:00
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foreach ($dirs as $dir) {
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if (!is_dir($dir)) {
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throw new \InvalidArgumentException(sprintf('The "%s" directory does not exist.', $dir));
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}
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}
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$this->dirs = array_merge($this->dirs, $dirs);
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return $this;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Returns an Iterator for the current Finder configuration.
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*
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* This method implements the IteratorAggregate interface.
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*
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* @return \Iterator An iterator
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*
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* @throws \LogicException if the in() method has not been called
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*/
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public function getIterator()
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2010-04-21 08:31:18 +01:00
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{
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2010-05-07 15:09:11 +01:00
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if (0 === count($this->dirs)) {
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2010-05-06 12:25:53 +01:00
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throw new \LogicException('You must call the in() method before iterating over a Finder.');
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}
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2010-05-07 15:09:11 +01:00
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if (1 === count($this->dirs)) {
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2010-05-06 12:25:53 +01:00
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return $this->searchInDirectory($this->dirs[0]);
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}
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$iterator = new \AppendIterator();
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2010-05-07 15:09:11 +01:00
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foreach ($this->dirs as $dir) {
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2010-05-06 12:25:53 +01:00
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$iterator->append($this->searchInDirectory($dir));
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}
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return $iterator;
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2010-04-21 08:31:18 +01:00
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}
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2010-05-06 12:25:53 +01:00
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protected function searchInDirectory($dir)
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{
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$flags = \FilesystemIterator::SKIP_DOTS;
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2010-05-07 15:09:11 +01:00
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if ($this->followLinks) {
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2010-05-06 12:25:53 +01:00
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$flags |= \FilesystemIterator::FOLLOW_SYMLINKS;
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}
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$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir, $flags), \RecursiveIteratorIterator::SELF_FIRST);
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2010-05-14 08:29:04 +01:00
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if ($this->minDepth > 0 || $this->maxDepth < INF) {
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$iterator = new Iterator\LimitDepthFilterIterator($iterator, $this->minDepth, $this->maxDepth);
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2010-05-06 12:25:53 +01:00
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}
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2010-05-07 15:09:11 +01:00
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if ($this->mode) {
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2010-05-06 12:25:53 +01:00
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$iterator = new Iterator\FileTypeFilterIterator($iterator, $this->mode);
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}
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2010-05-07 15:09:11 +01:00
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if ($this->exclude) {
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2010-05-06 12:25:53 +01:00
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$iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
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}
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2010-05-07 15:09:11 +01:00
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if ($this->ignoreVCS) {
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2010-05-06 12:25:53 +01:00
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$iterator = new Iterator\IgnoreVcsFilterIterator($iterator);
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}
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2010-05-07 15:09:11 +01:00
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if ($this->names || $this->notNames) {
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2010-05-06 12:25:53 +01:00
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$iterator = new Iterator\FilenameFilterIterator($iterator, $this->names, $this->notNames);
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}
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2010-05-07 15:09:11 +01:00
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if ($this->sizes) {
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2010-05-06 12:25:53 +01:00
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$iterator = new Iterator\SizeRangeFilterIterator($iterator, $this->sizes);
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}
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2010-05-14 08:29:04 +01:00
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if (false !== $this->minDate || false !== $this->maxDate) {
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$iterator = new Iterator\DateRangeFilterIterator($iterator, $this->minDate, $this->maxDate);
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}
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2010-05-07 15:09:11 +01:00
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if ($this->filters) {
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2010-05-06 12:25:53 +01:00
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$iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
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}
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2010-05-07 15:09:11 +01:00
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if ($this->sort) {
|
2010-05-06 12:25:53 +01:00
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$iterator = new Iterator\SortableIterator($iterator, $this->sort);
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}
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return $iterator;
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}
|
2010-04-21 08:31:18 +01:00
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}
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