159 lines
3.8 KiB
PHP
159 lines
3.8 KiB
PHP
<?php
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/*
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* This file is part of the File_Iterator package.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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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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/**
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* FilterIterator implementation that filters files based on prefix(es) and/or
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* suffix(es). Hidden files and files from hidden directories are also filtered.
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*
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* @since Class available since Release 1.0.0
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*/
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class File_Iterator extends FilterIterator
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{
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const PREFIX = 0;
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const SUFFIX = 1;
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/**
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* @var array
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*/
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protected $suffixes = array();
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/**
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* @var array
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*/
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protected $prefixes = array();
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/**
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* @var array
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*/
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protected $exclude = array();
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/**
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* @var string
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*/
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protected $basepath;
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/**
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* @param Iterator $iterator
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* @param array $suffixes
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* @param array $prefixes
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* @param array $exclude
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* @param string $basepath
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*/
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public function __construct(Iterator $iterator, array $suffixes = array(), array $prefixes = array(), array $exclude = array(), $basepath = NULL)
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{
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$exclude = array_filter(array_map('realpath', $exclude));
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if ($basepath !== NULL) {
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$basepath = realpath($basepath);
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}
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if ($basepath === FALSE) {
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$basepath = NULL;
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} else {
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foreach ($exclude as &$_exclude) {
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$_exclude = str_replace($basepath, '', $_exclude);
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}
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}
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$this->prefixes = $prefixes;
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$this->suffixes = $suffixes;
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$this->exclude = $exclude;
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$this->basepath = $basepath;
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parent::__construct($iterator);
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}
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/**
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* @return bool
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*/
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public function accept()
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{
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$current = $this->getInnerIterator()->current();
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$filename = $current->getFilename();
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$realpath = $current->getRealPath();
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if ($this->basepath !== NULL) {
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$realpath = str_replace($this->basepath, '', $realpath);
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}
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// Filter files in hidden directories.
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if (preg_match('=/\.[^/]*/=', $realpath)) {
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return FALSE;
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}
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return $this->acceptPath($realpath) &&
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$this->acceptPrefix($filename) &&
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$this->acceptSuffix($filename);
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}
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/**
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* @param string $path
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* @return bool
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* @since Method available since Release 1.1.0
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*/
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protected function acceptPath($path)
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{
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foreach ($this->exclude as $exclude) {
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if (strpos($path, $exclude) === 0) {
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return FALSE;
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}
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}
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return TRUE;
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}
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/**
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* @param string $filename
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* @return bool
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* @since Method available since Release 1.1.0
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*/
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protected function acceptPrefix($filename)
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{
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return $this->acceptSubString($filename, $this->prefixes, self::PREFIX);
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}
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/**
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* @param string $filename
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* @return bool
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* @since Method available since Release 1.1.0
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*/
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protected function acceptSuffix($filename)
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{
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return $this->acceptSubString($filename, $this->suffixes, self::SUFFIX);
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}
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/**
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* @param string $filename
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* @param array $subStrings
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* @param int $type
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* @return bool
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* @since Method available since Release 1.1.0
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*/
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protected function acceptSubString($filename, array $subStrings, $type)
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{
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if (empty($subStrings)) {
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return TRUE;
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}
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$matched = FALSE;
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foreach ($subStrings as $string) {
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if (($type == self::PREFIX && strpos($filename, $string) === 0) ||
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($type == self::SUFFIX &&
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substr($filename, -1 * strlen($string)) == $string)) {
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$matched = TRUE;
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break;
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}
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}
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return $matched;
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}
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}
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