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<?php
/**
* php-file-iterator
*
* Copyright (c) 2009-2013, Sebastian Bergmann <sebastian@phpunit.de>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Sebastian Bergmann nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package File
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @since File available since Release 1.0.0
*/
/**
* FilterIterator implementation that filters files based on prefix(es) and/or
* suffix(es). Hidden files and files from hidden directories are also filtered.
*
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @version Release: 1.3.4
* @link http://github.com/sebastianbergmann/php-file-iterator/tree
* @since Class available since Release 1.0.0
*/
class File_Iterator extends FilterIterator
{
const PREFIX = 0;
const SUFFIX = 1;
/**
* @var array
*/
protected $suffixes = array();
/**
* @var array
*/
protected $prefixes = array();
/**
* @var array
*/
protected $exclude = array();
/**
* @var string
*/
protected $basepath;
/**
* @param Iterator $iterator
* @param array $suffixes
* @param array $prefixes
* @param array $exclude
* @param string $basepath
*/
public function __construct(Iterator $iterator, array $suffixes = array(), array $prefixes = array(), array $exclude = array(), $basepath = NULL)
{
$exclude = array_filter(array_map('realpath', $exclude));
if ($basepath !== NULL) {
$basepath = realpath($basepath);
}
if ($basepath === FALSE) {
$basepath = NULL;
} else {
foreach ($exclude as &$_exclude) {
$_exclude = str_replace($basepath, '', $_exclude);
}
}
$this->prefixes = $prefixes;
$this->suffixes = $suffixes;
$this->exclude = $exclude;
$this->basepath = $basepath;
parent::__construct($iterator);
}
/**
* @return boolean
*/
public function accept()
{
$current = $this->getInnerIterator()->current();
$filename = $current->getFilename();
$realpath = $current->getRealPath();
if ($this->basepath !== NULL) {
$realpath = str_replace($this->basepath, '', $realpath);
}
// Filter files in hidden directories.
if (preg_match('=/\.[^/]*/=', $realpath)) {
return FALSE;
}
return $this->acceptPath($realpath) &&
$this->acceptPrefix($filename) &&
$this->acceptSuffix($filename);
}
/**
* @param string $path
* @return boolean
* @since Method available since Release 1.1.0
*/
protected function acceptPath($path)
{
foreach ($this->exclude as $exclude) {
if (strpos($path, $exclude) === 0) {
return FALSE;
}
}
return TRUE;
}
/**
* @param string $filename
* @return boolean
* @since Method available since Release 1.1.0
*/
protected function acceptPrefix($filename)
{
return $this->acceptSubString($filename, $this->prefixes, self::PREFIX);
}
/**
* @param string $filename
* @return boolean
* @since Method available since Release 1.1.0
*/
protected function acceptSuffix($filename)
{
return $this->acceptSubString($filename, $this->suffixes, self::SUFFIX);
}
/**
* @param string $filename
* @param array $subString
* @param integer $type
* @return boolean
* @since Method available since Release 1.1.0
*/
protected function acceptSubString($filename, array $subStrings, $type)
{
if (empty($subStrings)) {
return TRUE;
}
$matched = FALSE;
foreach ($subStrings as $string) {
if (($type == self::PREFIX && strpos($filename, $string) === 0) ||
($type == self::SUFFIX &&
substr($filename, -1 * strlen($string)) == $string)) {
$matched = TRUE;
break;
}
}
return $matched;
}
}