Chris@0: <?php
Chris@0: /*
Chris@0:  * This file is part of the File_Iterator package.
Chris@0:  *
Chris@0:  * (c) Sebastian Bergmann <sebastian@phpunit.de>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: /**
Chris@0:  * Façade implementation that uses File_Iterator_Factory to create a
Chris@0:  * File_Iterator that operates on an AppendIterator that contains an
Chris@0:  * RecursiveDirectoryIterator for each given path. The list of unique
Chris@0:  * files is returned as an array.
Chris@0:  *
Chris@0:  * @since     Class available since Release 1.3.0
Chris@0:  */
Chris@0: class File_Iterator_Facade
Chris@0: {
Chris@0:     /**
Chris@0:      * @param  array|string $paths
Chris@0:      * @param  array|string $suffixes
Chris@0:      * @param  array|string $prefixes
Chris@0:      * @param  array        $exclude
Chris@0:      * @param  bool         $commonPath
Chris@0:      * @return array
Chris@0:      */
Chris@0:     public function getFilesAsArray($paths, $suffixes = '', $prefixes = '', array $exclude = array(), $commonPath = FALSE)
Chris@0:     {
Chris@0:         if (is_string($paths)) {
Chris@0:             $paths = array($paths);
Chris@0:         }
Chris@0: 
Chris@0:         $factory  = new File_Iterator_Factory;
Chris@0:         $iterator = $factory->getFileIterator(
Chris@0:           $paths, $suffixes, $prefixes, $exclude
Chris@0:         );
Chris@0: 
Chris@0:         $files = array();
Chris@0: 
Chris@0:         foreach ($iterator as $file) {
Chris@0:             $file = $file->getRealPath();
Chris@0: 
Chris@0:             if ($file) {
Chris@0:                 $files[] = $file;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($paths as $path) {
Chris@0:             if (is_file($path)) {
Chris@0:                 $files[] = realpath($path);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $files = array_unique($files);
Chris@0:         sort($files);
Chris@0: 
Chris@0:         if ($commonPath) {
Chris@0:             return array(
Chris@0:               'commonPath' => $this->getCommonPath($files),
Chris@0:               'files'      => $files
Chris@0:             );
Chris@0:         } else {
Chris@0:             return $files;
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the common path of a set of files.
Chris@0:      *
Chris@0:      * @param  array  $files
Chris@0:      * @return string
Chris@0:      */
Chris@0:     protected function getCommonPath(array $files)
Chris@0:     {
Chris@0:         $count = count($files);
Chris@0: 
Chris@0:         if ($count == 0) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         if ($count == 1) {
Chris@0:             return dirname($files[0]) . DIRECTORY_SEPARATOR;
Chris@0:         }
Chris@0: 
Chris@0:         $_files = array();
Chris@0: 
Chris@0:         foreach ($files as $file) {
Chris@0:             $_files[] = $_fileParts = explode(DIRECTORY_SEPARATOR, $file);
Chris@0: 
Chris@0:             if (empty($_fileParts[0])) {
Chris@0:                 $_fileParts[0] = DIRECTORY_SEPARATOR;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $common = '';
Chris@0:         $done   = FALSE;
Chris@0:         $j      = 0;
Chris@0:         $count--;
Chris@0: 
Chris@0:         while (!$done) {
Chris@0:             for ($i = 0; $i < $count; $i++) {
Chris@0:                 if ($_files[$i][$j] != $_files[$i+1][$j]) {
Chris@0:                     $done = TRUE;
Chris@0:                     break;
Chris@0:                 }
Chris@0:             }
Chris@0: 
Chris@0:             if (!$done) {
Chris@0:                 $common .= $_files[0][$j];
Chris@0: 
Chris@0:                 if ($j > 0) {
Chris@0:                     $common .= DIRECTORY_SEPARATOR;
Chris@0:                 }
Chris@0:             }
Chris@0: 
Chris@0:             $j++;
Chris@0:         }
Chris@0: 
Chris@0:         return DIRECTORY_SEPARATOR . $common;
Chris@0:     }
Chris@0: }