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<?php



  function exceptions_error_handler($severity, $message, $filename, $lineno) {

    switch($severity) {

    case E_ERROR:

        throw new ErrorException($message, 0, $severity, $filename, $lineno);

        break;

    case E_WARNING:

        echo "<b>My WARNING</b> [$severity] $message<br />\n";

        break;



    case E_NOTICE:

        echo "<b>My NOTICE</b> [$severity] $message<br />\n";

        break;



    default:

        echo "Unknown error type: [$severity] $message<br />\n";

        break;

    }

  }



//  set_error_handler('exceptions_error_handler');



  $dir = preg_replace('/\/[^\/]*\/?$/', '', preg_replace('/\\\/', '/', dirname($_SERVER["SCRIPT_FILENAME"]))).'/';



  preg_match('/.*\//', $_SERVER['SCRIPT_NAME'], $matches);

  $web_prefix = substr('http://'.$_SERVER['SERVER_NAME'].$matches[0], 0, -1);



  include('getid3/getid3.php');



  function scandir_linux($d) {

    $arr = explode("\n", `find -L "$d" -type f -name *.mp3`);

    array_pop($arr);

    natcasesort($arr);

    print_r($arr);

    return $arr;

  }



  /**

   * Scans recursively a linux folder and builds a js structure with the info. Respects symlinks, but check if your permissions are okay.

   *

   * @param string $path

   * @return nothing

   */

  function build_linux($dir) {

    global $olist, $web_prefix, $id3;



    $all_files = scandir_linux($dir);



    foreach ($all_files as $mkey => $f) {

      $path = dirname($f);

      $file = basename($f);

      $f=preg_replace('/\/+/','/',$f);

      $content[] = $file;

      if($path != dirname($all_files[$mkey+1])) {

        $web_path = substr($path,strlen('/'.trim($dir, '/')));

        $a = preg_split('/\//', $web_path);

        $a[0] = 'root';



        $title = $artist = $album = $track = $files = '';

        $key = 0;

        foreach ($content as $value) {

          $files .= '"'.$key.'" : "'.$web_path.'/'.$value.'",';

          $fileinfo = $id3->analyze($path.'/'.$value);

          $temptitle = preg_replace('/"/', '\"', (array_key_exists('id3v2', $fileinfo) && array_key_exists('title', $fileinfo['id3v2']['comments']) ? trim(implode('&nbsp;', $fileinfo['id3v2']['comments']['title'])) : $fileinfo['id3v1']['title']));

          if ($temptitle == '' || !isUTF8($temptitle))

            $temptitle = mb_convert_encoding($value, 'UTF-8');

          $artist .= '"'.$key.'" : "'.(array_key_exists('id3v2', $fileinfo) && array_key_exists('artist', $fileinfo['id3v2']['comments']) ? trim(implode('&nbsp;', $fileinfo['id3v2']['comments']['artist'])) : $fileinfo['id3v1']['artist']).'",';

          $album .= '"'.$key.'" : "'.(array_key_exists('id3v2', $fileinfo) && array_key_exists('album', $fileinfo['id3v2']['comments']) ? trim(implode('&nbsp;', $fileinfo['id3v2']['comments']['album'])) : $fileinfo['id3v1']['album']).'",';

          $track .= '"'.$key.'" : "'.(array_key_exists('id3v2', $fileinfo) && array_key_exists('track', $fileinfo['id3v2']['comments']) ? trim(implode('&nbsp;', $fileinfo['id3v2']['comments']['track'])) : array_key_exists('id3v1', $fileinfo) && array_key_exists('track', $fileinfo['id3v1']) ? $fileinfo['id3v1']['track'] : '').'",';

          $title .= '"'.$key++.'" : "'.$temptitle.'",';

        }

        $files = substr($files, 0, -1);

        $artist = substr($artist, 0, -1);

        $album = substr($album, 0, -1);

        $title = substr($title, 0, -1);

        $track = substr($track, 0, -1);



        $parent = 'root';

        foreach(array_slice($a, 1, -1) as $value) {

          $id = preg_replace('/[^\w\d]/', '', $value);

          echo "if (!$('$id')) {

                  new Element('DIV', { 'id': '".$id."' }).appendText(\"$value\").injectInside($('".$parent."'));

                }

                $('$id').className = 'node';

                $('$id').>

        ";

          $parent = $id;

        }



        $name = array_pop($a);

        $id = preg_replace('/[^\w\d]/', '', $name);

        echo "if (!$('$id')) { var el = new Element('DIV', {

                            'id': '".$id."',

                            'class': 'leaf',

                             'events': {

                               'click': leafclick

                             }

              }).appendText(\"$name\");

              el.files = new Hash({ $files });

              el.track = new Hash({ $track });

              el.artist = new Hash({ $artist });

              el.album = new Hash({ $album });

              el.titles = new Hash({ $title });

              el.injectInside($('".preg_replace('/[^\w\d]/', '', array_pop($a))."')) };

        ";

        $content = array();

      }

    }

  }



  /**

   * Scans recursive a windows folder and builds a js structure with the info

   *

   * @param string $path

   * @return nothing

   */

  function build_index($path) {

    global $olist, $web_prefix, $id3, $dir;



    if (!is_dir($path)) return 0;

    $directory = @opendir($path);

    while ($file= @readdir($directory)) {

      if (($file<>".")&&($file<>"..")) {

        $f=$path."/".$file;

        $f=preg_replace('/\/+/','/',$f);

        if(is_dir($f)) {

          $content = preg_grep('/\.mp3$/i', scandir($f));

          if (count($content) > 0) {

            $web_path = substr($f,strlen(trim($dir, '/')));

            $a = preg_split('/\//', $web_path);

            $a[0] = 'root';



            $title = $artist = $album = $track = $files = '';

            $key = 0;

            foreach ($content as $value) {

              $files .= '"'.$key.'" : "'.$web_path.'/'.$value.'",';

              $fileinfo = $id3->analyze($f.'/'.$value);

              $temptitle = preg_replace('/"/', '\"', (array_key_exists('id3v2', $fileinfo) && array_key_exists('title', $fileinfo['id3v2']['comments']) ? trim(implode('&nbsp;', $fileinfo['id3v2']['comments']['title'])) : $fileinfo['id3v1']['title']));

              if ($temptitle == '' || !isUTF8($temptitle))

                $temptitle = $value;

              $artist .= '"'.$key.'" : "'.(array_key_exists('id3v2', $fileinfo) && array_key_exists('artist', $fileinfo['id3v2']['comments']) ? trim(implode('&nbsp;', $fileinfo['id3v2']['comments']['artist'])) : $fileinfo['id3v1']['artist']).'",';

              $album .= '"'.$key.'" : "'.(array_key_exists('id3v2', $fileinfo) && array_key_exists('album', $fileinfo['id3v2']['comments']) ? trim(implode('&nbsp;', $fileinfo['id3v2']['comments']['album'])) : $fileinfo['id3v1']['album']).'",';

              $track .= '"'.$key.'" : "'.(array_key_exists('id3v2', $fileinfo) && array_key_exists('track', $fileinfo['id3v2']['comments']) ? trim(implode('&nbsp;', $fileinfo['id3v2']['comments']['track'])) : array_key_exists('id3v1', $fileinfo) && array_key_exists('track', $fileinfo['id3v1']) ? $fileinfo['id3v1']['track'] : '').'",';

              $title .= '"'.$key++.'" : "'.$temptitle.'",';

            }

            $files = substr($files, 0, -1);

            $artist = substr($artist, 0, -1);

            $album = substr($album, 0, -1);

            $title = substr($title, 0, -1);

            $track = substr($track, 0, -1);



            $parent = 'root';

            foreach(array_slice($a, 1, -1) as $value) {

              $id = preg_replace('/[^\w\d]/', '', $value);

            echo "if (!$('$id')) {

                    new Element('DIV', { 'id': '".$id."' }).appendText(\"$value\").injectInside($('".$parent."'));

                  }

                  $('$id').className = 'node';

                  $('$id').>

          ";

              $parent = $id;

            }



            $name = array_pop($a);

            $id = preg_replace('/[^\w\d]/', '', $name);

            echo "if (!$('$id')) { var el = new Element('DIV', {

                                'id': '".$id."',

                                'class': 'leaf',

                                 'events': {

                                   'click': leafclick

                                 }

                  }).appendText(\"$name\");

                  el.files = new Hash({ $files });

                  el.track = new Hash({ $track });

                  el.artist = new Hash({ $artist });

                  el.album = new Hash({ $album });

                  el.titles = new Hash({ $title });

                  el.injectInside($('".preg_replace('/[^\w\d]/', '', array_pop($a))."')) };

          ";

          }

          build_index($f);

        }

      }

    }

  }



  /**

   * Scans recursive a windows folder and builds a js structure with the info

   *

   * @param string $path

   * @return nothing

   */

  function build_json_index($path) {

    global $olist, $web_prefix, $id3, $dir, $structure, $files;



    if (!is_dir($path)) return 0;

    $directory = @opendir($path);

    while ($file= @readdir($directory)) {

      if (($file<>".")&&($file<>"..")) {

        $f=$path."/".$file;

        $f=preg_replace('/\/+/','/',$f);

        if(is_dir($f)) {

          $content = preg_grep('/\.mp3$/i', scandir($f));

          if (count($content) > 0) {

            $web_path = mb_substr($f,strlen(trim($dir, '/')));

            $a = preg_split('/\//', $web_path);

            $a[0] = 'root';



            $title = $artist = $album = $track = $uids = array();

            $key = 0;

            foreach ($content as $value) {

              $uids[$key] = md5(uniqid());

              $files[$uids[$key]]= $web_path.'/'.$value;

              $fileinfo = $id3->analyze($f.'/'.$value);



              $encoding = (array_key_exists('id3v2', $fileinfo) && array_key_exists('TIT2', $fileinfo['id3v2']) && array_key_exists('encoding', $fileinfo['id3v2']['TIT2']) ? trim($fileinfo['id3v2']['TIT2']['encoding']) : 'ISO-8859-1');



              $temptitle = preg_replace('/"/', '\"', (array_key_exists('tags', $fileinfo) && array_key_exists('id3v2', $fileinfo['tags']) && array_key_exists('title', $fileinfo['tags']['id3v2']) ? trim(implode('&nbsp;', $fileinfo['tags']['id3v2']['title'])) : $fileinfo['tags']['id3v1']['title']));

              if ($temptitle == '' || !isUTF8($temptitle))

                $temptitle = mb_convert_encoding($value, 'UTF-8', $encoding);

              $artist[$key] = (array_key_exists('tags', $fileinfo) && array_key_exists('id3v2', $fileinfo['tags']) && array_key_exists('artist', $fileinfo['tags']['id3v2']) ? trim(implode('&nbsp;', $fileinfo['tags']['id3v2']['artist'])) : array_key_exists('tags', $fileinfo) && array_key_exists('id3v1', $fileinfo['tags']) && array_key_exists('artist', $fileinfo['tags']['id3v1']) ? $fileinfo['tags']['id3v1']['artist'] : '');

              $album[$key] = (array_key_exists('tags', $fileinfo) && array_key_exists('id3v2', $fileinfo['tags']) && array_key_exists('album', $fileinfo['tags']['id3v2']) ? trim(implode('&nbsp;', $fileinfo['tags']['id3v2']['album'])) : array_key_exists('tags', $fileinfo) && array_key_exists('id3v1', $fileinfo['tags']) && array_key_exists('album', $fileinfo['tags']['id3v1']) ? $fileinfo['tags']['id3v1']['album'] : '');

              $track[$key] = (array_key_exists('tags', $fileinfo) && array_key_exists('id3v2', $fileinfo['tags']) && array_key_exists('track', $fileinfo['tags']['id3v2']) ? trim(implode('&nbsp;', $fileinfo['tags']['id3v2']['track'])) : array_key_exists('tags', $fileinfo) && array_key_exists('id3v1', $fileinfo['tags']) && array_key_exists('track', $fileinfo['tags']['id3v1']) ? $fileinfo['tags']['id3v1']['track'] : '');

              $title[$key++] = $temptitle;

            }



            $parent = &$structure['root']['content'];

            foreach(array_slice($a, 1, -1) as $value) {

              $id = preg_replace('/[^\w\d]/', '', $value);



              $parent[$id]['id'] = $id;

              $parent[$id]['name'] = $value;

              $parent[$id]['cls'] = 'node';

              $parent[$id]['events']['click'] = 'nodeclick';

              $parent[$id]['parent'] = $parent['id'];



              $parent = &$parent[$id]['content'];

            }



            $name = array_pop($a);

            $id = preg_replace('/[^\w\d]/', '', $name);



            $parent[$id]['id'] = $id;

            $parent[$id]['name'] = $name;

            $parent[$id]['cls'] = 'leaf';

            $parent[$id]['events']['click'] = 'leafclick';

            $parent[$id]['uids'] = $uids;

            $parent[$id]['track'] = $track;

            $parent[$id]['artist'] = $artist;

            $parent[$id]['album'] = $album;

            $parent[$id]['title'] = $title;

            $parent[$id]['parent'] = $parent['id'];

        }

          build_json_index($f);

        }

      }

    }

  }



  /**

   * Detects if a string is UTF-8 encoded.

   *

   * @param string $str

   * @return bool

   */

  function isUTF8($str) {

    if ($str === mb_convert_encoding(mb_convert_encoding($str, "UTF-32", "UTF-8"), "UTF-8", "UTF-32")) {

      return true;

    } else {

      return false;

    }

  }



  $id3 = new getID3();

  $olist = $files = array();

  error_reporting( 0 );



  $structure['root'] = array(

    'name'  => 'root',

    'cls'  => 'node',

    'styles' => array(

                  'height' => 'auto',

                  'background' => 'url(\'image/minus.gif\') left 2px no-repeat'

                ),

    'events' => array(

                  'click' => 'nodeclick'

                )

  );



  if (getenv('OSTYPE') != "linux")

    build_json_index($dir);

  else build_linux($dir);



  error_reporting( E_ALL );



  file_put_contents('collection.files.json', json_encode($files));

  file_put_contents('collection.json', json_encode($structure));



?>