mirror of
https://github.com/renbaoshuo/S2OJ.git
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807 lines
22 KiB
PHP
807 lines
22 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;
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use Symfony\Component\Finder\Comparator\DateComparator;
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use Symfony\Component\Finder\Comparator\NumberComparator;
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use Symfony\Component\Finder\Exception\DirectoryNotFoundException;
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use Symfony\Component\Finder\Iterator\CustomFilterIterator;
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use Symfony\Component\Finder\Iterator\DateRangeFilterIterator;
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use Symfony\Component\Finder\Iterator\DepthRangeFilterIterator;
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use Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator;
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use Symfony\Component\Finder\Iterator\FilecontentFilterIterator;
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use Symfony\Component\Finder\Iterator\FilenameFilterIterator;
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use Symfony\Component\Finder\Iterator\LazyIterator;
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use Symfony\Component\Finder\Iterator\SizeRangeFilterIterator;
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use Symfony\Component\Finder\Iterator\SortableIterator;
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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.
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*
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* All methods return the current Finder object to allow chaining:
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*
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* $finder = Finder::create()->files()->name('*.php')->in(__DIR__);
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @implements \IteratorAggregate<string, SplFileInfo>
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*/
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class Finder implements \IteratorAggregate, \Countable
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{
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public const IGNORE_VCS_FILES = 1;
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public const IGNORE_DOT_FILES = 2;
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public const IGNORE_VCS_IGNORED_FILES = 4;
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private $mode = 0;
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private $names = [];
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private $notNames = [];
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private $exclude = [];
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private $filters = [];
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private $depths = [];
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private $sizes = [];
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private $followLinks = false;
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private $reverseSorting = false;
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private $sort = false;
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private $ignore = 0;
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private $dirs = [];
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private $dates = [];
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private $iterators = [];
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private $contains = [];
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private $notContains = [];
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private $paths = [];
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private $notPaths = [];
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private $ignoreUnreadableDirs = false;
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private static $vcsPatterns = ['.svn', '_svn', 'CVS', '_darcs', '.arch-params', '.monotone', '.bzr', '.git', '.hg'];
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public function __construct()
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{
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$this->ignore = static::IGNORE_VCS_FILES | static::IGNORE_DOT_FILES;
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}
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/**
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* Creates a new Finder.
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*
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* @return static
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*/
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public static function create()
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{
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return new static();
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}
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/**
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* Restricts the matching to directories only.
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*
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* @return $this
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*/
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public function directories()
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{
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$this->mode = Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES;
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return $this;
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}
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/**
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* Restricts the matching to files only.
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*
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* @return $this
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*/
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public function files()
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{
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$this->mode = Iterator\FileTypeFilterIterator::ONLY_FILES;
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return $this;
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}
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/**
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* Adds tests for the directory depth.
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*
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* Usage:
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*
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* $finder->depth('> 1') // the Finder will start matching at level 1.
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* $finder->depth('< 3') // the Finder will descend at most 3 levels of directories below the starting point.
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* $finder->depth(['>= 1', '< 3'])
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*
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* @param string|int|string[]|int[] $levels The depth level expression or an array of depth levels
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*
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* @return $this
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*
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* @see DepthRangeFilterIterator
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* @see NumberComparator
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*/
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public function depth($levels)
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{
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foreach ((array) $levels as $level) {
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$this->depths[] = new Comparator\NumberComparator($level);
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}
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return $this;
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}
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/**
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* Adds tests for file dates (last modified).
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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->date('since yesterday');
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* $finder->date('until 2 days ago');
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* $finder->date('> now - 2 hours');
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* $finder->date('>= 2005-10-15');
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* $finder->date(['>= 2005-10-15', '<= 2006-05-27']);
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*
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* @param string|string[] $dates A date range string or an array of date ranges
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*
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* @return $this
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*
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* @see strtotime
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* @see DateRangeFilterIterator
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* @see DateComparator
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*/
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public function date($dates)
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{
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foreach ((array) $dates as $date) {
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$this->dates[] = new Comparator\DateComparator($date);
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}
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return $this;
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}
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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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* $finder->name(['test.py', 'test.php'])
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*
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* @param string|string[] $patterns A pattern (a regexp, a glob, or a string) or an array of patterns
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*
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* @return $this
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*
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* @see FilenameFilterIterator
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*/
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public function name($patterns)
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{
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$this->names = array_merge($this->names, (array) $patterns);
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return $this;
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}
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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|string[] $patterns A pattern (a regexp, a glob, or a string) or an array of patterns
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*
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* @return $this
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*
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* @see FilenameFilterIterator
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*/
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public function notName($patterns)
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{
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$this->notNames = array_merge($this->notNames, (array) $patterns);
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return $this;
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}
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/**
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* Adds tests that file contents must match.
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*
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* Strings or PCRE patterns can be used:
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*
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* $finder->contains('Lorem ipsum')
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* $finder->contains('/Lorem ipsum/i')
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* $finder->contains(['dolor', '/ipsum/i'])
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*
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* @param string|string[] $patterns A pattern (string or regexp) or an array of patterns
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*
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* @return $this
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*
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* @see FilecontentFilterIterator
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*/
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public function contains($patterns)
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{
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$this->contains = array_merge($this->contains, (array) $patterns);
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return $this;
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}
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/**
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* Adds tests that file contents must not match.
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*
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* Strings or PCRE patterns can be used:
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*
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* $finder->notContains('Lorem ipsum')
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* $finder->notContains('/Lorem ipsum/i')
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* $finder->notContains(['lorem', '/dolor/i'])
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*
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* @param string|string[] $patterns A pattern (string or regexp) or an array of patterns
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*
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* @return $this
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*
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* @see FilecontentFilterIterator
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*/
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public function notContains($patterns)
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{
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$this->notContains = array_merge($this->notContains, (array) $patterns);
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return $this;
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}
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/**
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* Adds rules that filenames must match.
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*
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* You can use patterns (delimited with / sign) or simple strings.
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*
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* $finder->path('some/special/dir')
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* $finder->path('/some\/special\/dir/') // same as above
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* $finder->path(['some dir', 'another/dir'])
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*
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* Use only / as dirname separator.
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*
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* @param string|string[] $patterns A pattern (a regexp or a string) or an array of patterns
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*
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* @return $this
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*
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* @see FilenameFilterIterator
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*/
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public function path($patterns)
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{
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$this->paths = array_merge($this->paths, (array) $patterns);
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return $this;
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}
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/**
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* Adds rules that filenames must not match.
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*
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* You can use patterns (delimited with / sign) or simple strings.
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*
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* $finder->notPath('some/special/dir')
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* $finder->notPath('/some\/special\/dir/') // same as above
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* $finder->notPath(['some/file.txt', 'another/file.log'])
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*
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* Use only / as dirname separator.
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*
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* @param string|string[] $patterns A pattern (a regexp or a string) or an array of patterns
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*
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* @return $this
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*
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* @see FilenameFilterIterator
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*/
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public function notPath($patterns)
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{
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$this->notPaths = array_merge($this->notPaths, (array) $patterns);
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return $this;
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}
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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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* $finder->size(['> 10K', '< 20K'])
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*
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* @param string|int|string[]|int[] $sizes A size range string or an integer or an array of size ranges
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*
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* @return $this
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*
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* @see SizeRangeFilterIterator
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* @see NumberComparator
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*/
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public function size($sizes)
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{
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foreach ((array) $sizes as $size) {
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$this->sizes[] = new Comparator\NumberComparator($size);
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}
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return $this;
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}
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/**
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* Excludes directories.
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*
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* Directories passed as argument must be relative to the ones defined with the `in()` method. For example:
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*
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* $finder->in(__DIR__)->exclude('ruby');
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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 $this
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*
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* @see ExcludeDirectoryFilterIterator
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*/
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public function exclude($dirs)
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{
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$this->exclude = array_merge($this->exclude, (array) $dirs);
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return $this;
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}
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/**
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* Excludes "hidden" directories and files (starting with a dot).
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*
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* This option is enabled by default.
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*
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* @return $this
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*
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* @see ExcludeDirectoryFilterIterator
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*/
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public function ignoreDotFiles(bool $ignoreDotFiles)
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{
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if ($ignoreDotFiles) {
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$this->ignore |= static::IGNORE_DOT_FILES;
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} else {
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$this->ignore &= ~static::IGNORE_DOT_FILES;
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}
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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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* This option is enabled by default.
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*
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* @return $this
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*
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* @see ExcludeDirectoryFilterIterator
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*/
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public function ignoreVCS(bool $ignoreVCS)
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{
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if ($ignoreVCS) {
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$this->ignore |= static::IGNORE_VCS_FILES;
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} else {
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$this->ignore &= ~static::IGNORE_VCS_FILES;
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}
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return $this;
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}
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/**
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* Forces Finder to obey .gitignore and ignore files based on rules listed there.
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*
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* This option is disabled by default.
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*
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* @return $this
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*/
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public function ignoreVCSIgnored(bool $ignoreVCSIgnored)
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{
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if ($ignoreVCSIgnored) {
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$this->ignore |= static::IGNORE_VCS_IGNORED_FILES;
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} else {
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$this->ignore &= ~static::IGNORE_VCS_IGNORED_FILES;
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}
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return $this;
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}
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/**
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* Adds VCS patterns.
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*
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* @see ignoreVCS()
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*
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* @param string|string[] $pattern VCS patterns to ignore
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*/
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public static function addVCSPattern($pattern)
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{
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foreach ((array) $pattern as $p) {
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self::$vcsPatterns[] = $p;
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}
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self::$vcsPatterns = array_unique(self::$vcsPatterns);
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}
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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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* @return $this
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*
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* @see 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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}
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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 $this
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*
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* @see SortableIterator
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*/
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public function sortByName(bool $useNaturalSort = false)
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{
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$this->sort = $useNaturalSort ? Iterator\SortableIterator::SORT_BY_NAME_NATURAL : Iterator\SortableIterator::SORT_BY_NAME;
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return $this;
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}
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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 $this
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*
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* @see SortableIterator
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*/
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public function sortByType()
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{
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$this->sort = Iterator\SortableIterator::SORT_BY_TYPE;
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return $this;
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}
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/**
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* Sorts files and directories by the last accessed time.
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*
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* This is the time that the file was last accessed, read or written to.
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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 $this
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*
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* @see SortableIterator
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*/
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public function sortByAccessedTime()
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{
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$this->sort = Iterator\SortableIterator::SORT_BY_ACCESSED_TIME;
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return $this;
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}
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/**
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* Reverses the sorting.
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*
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* @return $this
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*/
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public function reverseSorting()
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{
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$this->reverseSorting = true;
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return $this;
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}
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/**
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* Sorts files and directories by the last inode changed time.
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*
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* This is the time that the inode information was last modified (permissions, owner, group or other metadata).
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*
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* On Windows, since inode is not available, changed time is actually the file creation time.
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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 $this
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*
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* @see SortableIterator
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*/
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public function sortByChangedTime()
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{
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$this->sort = Iterator\SortableIterator::SORT_BY_CHANGED_TIME;
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return $this;
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}
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/**
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* Sorts files and directories by the last modified time.
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*
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* This is the last time the actual contents of the file were last modified.
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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 $this
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*
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* @see SortableIterator
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*/
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public function sortByModifiedTime()
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{
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$this->sort = Iterator\SortableIterator::SORT_BY_MODIFIED_TIME;
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return $this;
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}
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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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* @return $this
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*
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* @see 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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}
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/**
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* Forces the following of symlinks.
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*
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* @return $this
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*/
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public function followLinks()
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{
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$this->followLinks = true;
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return $this;
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}
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/**
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* Tells finder to ignore unreadable directories.
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*
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* By default, scanning unreadable directories content throws an AccessDeniedException.
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*
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* @return $this
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*/
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public function ignoreUnreadableDirs(bool $ignore = true)
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{
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$this->ignoreUnreadableDirs = $ignore;
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return $this;
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}
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|
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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|string[] $dirs A directory path or an array of directories
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*
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* @return $this
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*
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* @throws DirectoryNotFoundException if one of the directories does not exist
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*/
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public function in($dirs)
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{
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$resolvedDirs = [];
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foreach ((array) $dirs as $dir) {
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if (is_dir($dir)) {
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$resolvedDirs[] = [$this->normalizeDir($dir)];
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} elseif ($glob = glob($dir, (\defined('GLOB_BRACE') ? \GLOB_BRACE : 0) | \GLOB_ONLYDIR | \GLOB_NOSORT)) {
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sort($glob);
|
|
$resolvedDirs[] = array_map([$this, 'normalizeDir'], $glob);
|
|
} else {
|
|
throw new DirectoryNotFoundException(sprintf('The "%s" directory does not exist.', $dir));
|
|
}
|
|
}
|
|
|
|
$this->dirs = array_merge($this->dirs, ...$resolvedDirs);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns an Iterator for the current Finder configuration.
|
|
*
|
|
* This method implements the IteratorAggregate interface.
|
|
*
|
|
* @return \Iterator<string, SplFileInfo>
|
|
*
|
|
* @throws \LogicException if the in() method has not been called
|
|
*/
|
|
#[\ReturnTypeWillChange]
|
|
public function getIterator()
|
|
{
|
|
if (0 === \count($this->dirs) && 0 === \count($this->iterators)) {
|
|
throw new \LogicException('You must call one of in() or append() methods before iterating over a Finder.');
|
|
}
|
|
|
|
if (1 === \count($this->dirs) && 0 === \count($this->iterators)) {
|
|
$iterator = $this->searchInDirectory($this->dirs[0]);
|
|
|
|
if ($this->sort || $this->reverseSorting) {
|
|
$iterator = (new Iterator\SortableIterator($iterator, $this->sort, $this->reverseSorting))->getIterator();
|
|
}
|
|
|
|
return $iterator;
|
|
}
|
|
|
|
$iterator = new \AppendIterator();
|
|
foreach ($this->dirs as $dir) {
|
|
$iterator->append(new \IteratorIterator(new LazyIterator(function () use ($dir) {
|
|
return $this->searchInDirectory($dir);
|
|
})));
|
|
}
|
|
|
|
foreach ($this->iterators as $it) {
|
|
$iterator->append($it);
|
|
}
|
|
|
|
if ($this->sort || $this->reverseSorting) {
|
|
$iterator = (new Iterator\SortableIterator($iterator, $this->sort, $this->reverseSorting))->getIterator();
|
|
}
|
|
|
|
return $iterator;
|
|
}
|
|
|
|
/**
|
|
* Appends an existing set of files/directories to the finder.
|
|
*
|
|
* The set can be another Finder, an Iterator, an IteratorAggregate, or even a plain array.
|
|
*
|
|
* @return $this
|
|
*
|
|
* @throws \InvalidArgumentException when the given argument is not iterable
|
|
*/
|
|
public function append(iterable $iterator)
|
|
{
|
|
if ($iterator instanceof \IteratorAggregate) {
|
|
$this->iterators[] = $iterator->getIterator();
|
|
} elseif ($iterator instanceof \Iterator) {
|
|
$this->iterators[] = $iterator;
|
|
} elseif (is_iterable($iterator)) {
|
|
$it = new \ArrayIterator();
|
|
foreach ($iterator as $file) {
|
|
$file = $file instanceof \SplFileInfo ? $file : new \SplFileInfo($file);
|
|
$it[$file->getPathname()] = $file;
|
|
}
|
|
$this->iterators[] = $it;
|
|
} else {
|
|
throw new \InvalidArgumentException('Finder::append() method wrong argument type.');
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Check if any results were found.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function hasResults()
|
|
{
|
|
foreach ($this->getIterator() as $_) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Counts all the results collected by the iterators.
|
|
*
|
|
* @return int
|
|
*/
|
|
#[\ReturnTypeWillChange]
|
|
public function count()
|
|
{
|
|
return iterator_count($this->getIterator());
|
|
}
|
|
|
|
private function searchInDirectory(string $dir): \Iterator
|
|
{
|
|
$exclude = $this->exclude;
|
|
$notPaths = $this->notPaths;
|
|
|
|
if (static::IGNORE_VCS_FILES === (static::IGNORE_VCS_FILES & $this->ignore)) {
|
|
$exclude = array_merge($exclude, self::$vcsPatterns);
|
|
}
|
|
|
|
if (static::IGNORE_DOT_FILES === (static::IGNORE_DOT_FILES & $this->ignore)) {
|
|
$notPaths[] = '#(^|/)\..+(/|$)#';
|
|
}
|
|
|
|
$minDepth = 0;
|
|
$maxDepth = \PHP_INT_MAX;
|
|
|
|
foreach ($this->depths as $comparator) {
|
|
switch ($comparator->getOperator()) {
|
|
case '>':
|
|
$minDepth = $comparator->getTarget() + 1;
|
|
break;
|
|
case '>=':
|
|
$minDepth = $comparator->getTarget();
|
|
break;
|
|
case '<':
|
|
$maxDepth = $comparator->getTarget() - 1;
|
|
break;
|
|
case '<=':
|
|
$maxDepth = $comparator->getTarget();
|
|
break;
|
|
default:
|
|
$minDepth = $maxDepth = $comparator->getTarget();
|
|
}
|
|
}
|
|
|
|
$flags = \RecursiveDirectoryIterator::SKIP_DOTS;
|
|
|
|
if ($this->followLinks) {
|
|
$flags |= \RecursiveDirectoryIterator::FOLLOW_SYMLINKS;
|
|
}
|
|
|
|
$iterator = new Iterator\RecursiveDirectoryIterator($dir, $flags, $this->ignoreUnreadableDirs);
|
|
|
|
if ($exclude) {
|
|
$iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $exclude);
|
|
}
|
|
|
|
$iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::SELF_FIRST);
|
|
|
|
if ($minDepth > 0 || $maxDepth < \PHP_INT_MAX) {
|
|
$iterator = new Iterator\DepthRangeFilterIterator($iterator, $minDepth, $maxDepth);
|
|
}
|
|
|
|
if ($this->mode) {
|
|
$iterator = new Iterator\FileTypeFilterIterator($iterator, $this->mode);
|
|
}
|
|
|
|
if ($this->names || $this->notNames) {
|
|
$iterator = new Iterator\FilenameFilterIterator($iterator, $this->names, $this->notNames);
|
|
}
|
|
|
|
if ($this->contains || $this->notContains) {
|
|
$iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
|
|
}
|
|
|
|
if ($this->sizes) {
|
|
$iterator = new Iterator\SizeRangeFilterIterator($iterator, $this->sizes);
|
|
}
|
|
|
|
if ($this->dates) {
|
|
$iterator = new Iterator\DateRangeFilterIterator($iterator, $this->dates);
|
|
}
|
|
|
|
if ($this->filters) {
|
|
$iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
|
|
}
|
|
|
|
if ($this->paths || $notPaths) {
|
|
$iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $notPaths);
|
|
}
|
|
|
|
if (static::IGNORE_VCS_IGNORED_FILES === (static::IGNORE_VCS_IGNORED_FILES & $this->ignore)) {
|
|
$iterator = new Iterator\VcsIgnoredFilterIterator($iterator, $dir);
|
|
}
|
|
|
|
return $iterator;
|
|
}
|
|
|
|
/**
|
|
* Normalizes given directory names by removing trailing slashes.
|
|
*
|
|
* Excluding: (s)ftp:// or ssh2.(s)ftp:// wrapper
|
|
*/
|
|
private function normalizeDir(string $dir): string
|
|
{
|
|
if ('/' === $dir) {
|
|
return $dir;
|
|
}
|
|
|
|
$dir = rtrim($dir, '/'.\DIRECTORY_SEPARATOR);
|
|
|
|
if (preg_match('#^(ssh2\.)?s?ftp://#', $dir)) {
|
|
$dir .= '/';
|
|
}
|
|
|
|
return $dir;
|
|
}
|
|
}
|