724 lines
19 KiB
PHP
724 lines
19 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\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\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 easy 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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class Finder implements \IteratorAggregate, \Countable
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{
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const IGNORE_VCS_FILES = 1;
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const IGNORE_DOT_FILES = 2;
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private $mode = 0;
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private $names = array();
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private $notNames = array();
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private $exclude = array();
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private $filters = array();
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private $depths = array();
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private $sizes = array();
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private $followLinks = false;
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private $sort = false;
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private $ignore = 0;
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private $dirs = array();
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private $dates = array();
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private $iterators = array();
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private $contains = array();
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private $notContains = array();
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private $paths = array();
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private $notPaths = array();
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private $ignoreUnreadableDirs = false;
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private static $vcsPatterns = array('.svn', '_svn', 'CVS', '_darcs', '.arch-params', '.monotone', '.bzr', '.git', '.hg');
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public function __construct()
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{
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$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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*
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* @param string|int $level The depth level expression
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*
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* @return $this
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*
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* @see DepthRangeFilterIterator
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* @see NumberComparator
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*/
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public function depth($level)
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{
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$this->depths[] = new Comparator\NumberComparator($level);
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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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*
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* @param string $date A date range string
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*
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* @return $this
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*
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* @see strtotime
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* @see DateRangeFilterIterator
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* @see DateComparator
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*/
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public function date($date)
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{
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$this->dates[] = new Comparator\DateComparator($date);
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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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*
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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 $this
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*
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* @see FilenameFilterIterator
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*/
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public function name($pattern)
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{
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$this->names[] = $pattern;
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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 $pattern A pattern (a regexp, a glob, or a string)
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*
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* @return $this
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*
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* @see FilenameFilterIterator
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*/
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public function notName($pattern)
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{
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$this->notNames[] = $pattern;
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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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*
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* @param string $pattern A pattern (string or regexp)
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*
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* @return $this
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*
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* @see FilecontentFilterIterator
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*/
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public function contains($pattern)
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{
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$this->contains[] = $pattern;
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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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*
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* @param string $pattern A pattern (string or regexp)
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*
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* @return $this
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*
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* @see FilecontentFilterIterator
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*/
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public function notContains($pattern)
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{
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$this->notContains[] = $pattern;
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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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*
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* Use only / as dirname separator.
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*
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* @param string $pattern A pattern (a regexp or a string)
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*
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* @return $this
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*
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* @see FilenameFilterIterator
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*/
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public function path($pattern)
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{
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$this->paths[] = $pattern;
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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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*
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* Use only / as dirname separator.
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*
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* @param string $pattern A pattern (a regexp or a string)
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*
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* @return $this
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*
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* @see FilenameFilterIterator
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*/
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public function notPath($pattern)
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{
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$this->notPaths[] = $pattern;
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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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*
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* @param string|int $size A size range string or an integer
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*
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* @return $this
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*
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* @see SizeRangeFilterIterator
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* @see NumberComparator
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*/
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public function size($size)
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{
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$this->sizes[] = new Comparator\NumberComparator($size);
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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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* @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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* @param bool $ignoreDotFiles Whether to exclude "hidden" files or not
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*
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* @return $this
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*
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* @see ExcludeDirectoryFilterIterator
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*/
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public function ignoreDotFiles($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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* @param bool $ignoreVCS Whether to exclude VCS files or not
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*
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* @return $this
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*
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* @see ExcludeDirectoryFilterIterator
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*/
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public function ignoreVCS($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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* 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 $this
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*
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* @see SortableIterator
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*/
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public function sortByName()
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{
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$this->sort = Iterator\SortableIterator::SORT_BY_NAME;
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return $this;
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}
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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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* 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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* @param bool $ignore
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*
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* @return $this
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*/
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public function ignoreUnreadableDirs($ignore = true)
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{
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$this->ignoreUnreadableDirs = (bool) $ignore;
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return $this;
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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|array $dirs A directory path or an array of directories
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*
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* @return $this
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*
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* @throws \InvalidArgumentException if one of the directories does not exist
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*/
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public function in($dirs)
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{
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$resolvedDirs = array();
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foreach ((array) $dirs as $dir) {
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if (is_dir($dir)) {
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$resolvedDirs[] = $dir;
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} elseif ($glob = glob($dir, (defined('GLOB_BRACE') ? GLOB_BRACE : 0) | GLOB_ONLYDIR)) {
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$resolvedDirs = array_merge($resolvedDirs, $glob);
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} else {
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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, $resolvedDirs);
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return $this;
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}
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|
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/**
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* Returns an Iterator for the current Finder configuration.
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*
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* This method implements the IteratorAggregate interface.
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*
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* @return \Iterator|SplFileInfo[] An iterator
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*
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* @throws \LogicException if the in() method has not been called
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*/
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public function getIterator()
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{
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if (0 === count($this->dirs) && 0 === count($this->iterators)) {
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throw new \LogicException('You must call one of in() or append() methods before iterating over a Finder.');
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}
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if (1 === count($this->dirs) && 0 === count($this->iterators)) {
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return $this->searchInDirectory($this->dirs[0]);
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}
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$iterator = new \AppendIterator();
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foreach ($this->dirs as $dir) {
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$iterator->append($this->searchInDirectory($dir));
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}
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foreach ($this->iterators as $it) {
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$iterator->append($it);
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}
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return $iterator;
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}
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|
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/**
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* Appends an existing set of files/directories to the finder.
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*
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* The set can be another Finder, an Iterator, an IteratorAggregate, or even a plain array.
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*
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* @param mixed $iterator
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*
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* @return $this
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*
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* @throws \InvalidArgumentException when the given argument is not iterable
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*/
|
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public function append($iterator)
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{
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if ($iterator instanceof \IteratorAggregate) {
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$this->iterators[] = $iterator->getIterator();
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} elseif ($iterator instanceof \Iterator) {
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$this->iterators[] = $iterator;
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} elseif ($iterator instanceof \Traversable || is_array($iterator)) {
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$it = new \ArrayIterator();
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foreach ($iterator as $file) {
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$it->append($file instanceof \SplFileInfo ? $file : new \SplFileInfo($file));
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}
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$this->iterators[] = $it;
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} else {
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throw new \InvalidArgumentException('Finder::append() method wrong argument type.');
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}
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return $this;
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}
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|
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/**
|
|
* Check if the any results were found.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function hasResults()
|
|
{
|
|
foreach ($this->getIterator() as $_) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Counts all the results collected by the iterators.
|
|
*
|
|
* @return int
|
|
*/
|
|
public function count()
|
|
{
|
|
return iterator_count($this->getIterator());
|
|
}
|
|
|
|
/**
|
|
* @param $dir
|
|
*
|
|
* @return \Iterator
|
|
*/
|
|
private function searchInDirectory($dir)
|
|
{
|
|
if (static::IGNORE_VCS_FILES === (static::IGNORE_VCS_FILES & $this->ignore)) {
|
|
$this->exclude = array_merge($this->exclude, self::$vcsPatterns);
|
|
}
|
|
|
|
if (static::IGNORE_DOT_FILES === (static::IGNORE_DOT_FILES & $this->ignore)) {
|
|
$this->notPaths[] = '#(^|/)\..+(/|$)#';
|
|
}
|
|
|
|
$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, $this->ignoreUnreadableDirs);
|
|
|
|
if ($this->exclude) {
|
|
$iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->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 || $this->notPaths) {
|
|
$iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $this->notPaths);
|
|
}
|
|
|
|
if ($this->sort) {
|
|
$iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
|
|
$iterator = $iteratorAggregate->getIterator();
|
|
}
|
|
|
|
return $iterator;
|
|
}
|
|
}
|