2011-03-04 13:17:12 +00:00
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<?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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2011-03-08 14:43:54 +00:00
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* (c) Fabien Potencier <fabien@symfony.com>
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2011-03-04 13:17:12 +00:00
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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\Config\Resource;
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/**
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* DirectoryResource represents a resources stored in a subdirectory tree.
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*
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2011-03-08 14:43:54 +00:00
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* @author Fabien Potencier <fabien@symfony.com>
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2011-03-04 13:17:12 +00:00
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*/
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2011-11-01 01:15:01 +00:00
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class DirectoryResource implements ResourceInterface, \Serializable
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2011-03-04 13:17:12 +00:00
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{
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2011-03-23 18:34:00 +00:00
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private $resource;
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2011-04-01 12:56:50 +01:00
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private $pattern;
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2011-03-04 13:17:12 +00:00
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/**
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* Constructor.
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*
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* @param string $resource The file path to the resource
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2011-04-01 12:56:50 +01:00
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* @param string $pattern A pattern to restrict monitored files
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2011-03-04 13:17:12 +00:00
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*/
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2011-04-01 12:56:50 +01:00
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public function __construct($resource, $pattern = null)
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2011-03-04 13:17:12 +00:00
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{
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2011-03-08 14:33:46 +00:00
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$this->resource = $resource;
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2011-04-01 12:56:50 +01:00
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$this->pattern = $pattern;
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2011-03-22 08:03:45 +00:00
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}
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2011-11-19 09:50:13 +00:00
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/**
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* Returns the list of filtered file and directory childs of directory resource.
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*
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* @param Boolean $recursive search for files recursive
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*
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* @return array An array of files
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*/
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public function getFilteredChilds($recursive = true)
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{
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$iterator = $recursive
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? new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->resource), \RecursiveIteratorIterator::SELF_FIRST)
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: new \DirectoryIterator($this->resource);
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$childs = array();
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foreach ($iterator as $file) {
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// if regex filtering is enabled only return matching files
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if (isset($this->filterRegexList) && $file->isFile()) {
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$regexMatched = false;
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foreach ($this->filterRegexList as $regex) {
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if (preg_match($regex, (string) $file)) {
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$regexMatched = true;
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}
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}
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if (!$regexMatched) {
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continue;
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}
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}
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// always monitor directories for changes, except the .. entries
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// (otherwise deleted files wouldn't get detected)
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if ($file->isDir() && '/..' === substr($file, -3)) {
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continue;
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}
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$childs[] = $file;
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}
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return $childs;
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}
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2011-03-04 13:17:12 +00:00
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/**
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* Returns a string representation of the Resource.
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*
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* @return string A string representation of the Resource
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*/
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public function __toString()
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{
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return (string) $this->resource;
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}
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/**
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* Returns the resource tied to this Resource.
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*
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* @return mixed The resource
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*/
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public function getResource()
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{
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return $this->resource;
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}
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2011-09-16 12:43:09 +01:00
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public function getPattern()
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{
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return $this->pattern;
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}
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2011-03-04 13:17:12 +00:00
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/**
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2011-11-19 07:58:54 +00:00
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* Returns resource mtime.
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2011-03-04 13:17:12 +00:00
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*
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2011-11-19 07:58:54 +00:00
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* @return integer
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2011-03-04 13:17:12 +00:00
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*/
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2011-11-19 07:58:54 +00:00
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public function getModificationTime()
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2011-03-04 13:17:12 +00:00
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{
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2011-11-19 07:58:54 +00:00
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clearstatcache(true, $this->resource);
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2011-03-22 08:03:45 +00:00
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$newestMTime = filemtime($this->resource);
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2011-04-01 12:56:50 +01:00
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2011-11-19 09:50:13 +00:00
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foreach ($this->getFilteredChilds() as $file) {
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2011-11-19 07:58:54 +00:00
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clearstatcache(true, (string) $file);
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2011-03-22 08:03:45 +00:00
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$newestMTime = max($file->getMTime(), $newestMTime);
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2011-03-04 13:17:12 +00:00
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}
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2011-03-08 14:33:46 +00:00
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2011-11-19 07:58:54 +00:00
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return $newestMTime;
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}
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/**
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* Returns true if the resource has not been updated since the given timestamp.
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*
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* @param integer $timestamp The last time the resource was loaded
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*
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* @return Boolean true if the resource has not been updated, false otherwise
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*/
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public function isFresh($timestamp)
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{
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if (!$this->exists()) {
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return false;
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}
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return $this->getModificationTime() <= $timestamp;
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}
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/**
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* Returns true if the resource exists in the filesystem.
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*
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* @return Boolean
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*/
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public function exists()
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{
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return file_exists($this->resource);
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2011-03-04 13:17:12 +00:00
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}
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2011-11-01 01:15:01 +00:00
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public function serialize()
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{
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return serialize(array($this->resource, $this->pattern));
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}
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public function unserialize($serialized)
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{
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list($this->resource, $this->pattern) = unserialize($serialized);
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}
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2011-03-04 13:17:12 +00:00
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}
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