name : module.misc.cue.php <?php ///////////////////////////////////////////////////////////////// /// getID3() by James Heinrich <info@getid3.org> // // available at https://github.com/JamesHeinrich/getID3 // // or https://www.getid3.org // // or http://getid3.sourceforge.net // // see readme.txt for more details // ///////////////////////////////////////////////////////////////// // // // module.misc.cue.php // // module for analyzing CUEsheet files // // dependencies: NONE // // // ///////////////////////////////////////////////////////////////// // // // Module originally written [2009-Mar-25] by // // Nigel Barnes <ngbarnesØhotmail*com> // // Minor reformatting and similar small changes to integrate // // into getID3 by James Heinrich <info@getid3.org> // // /// ///////////////////////////////////////////////////////////////// /* * CueSheet parser by Nigel Barnes. * * This is a PHP conversion of CueSharp 0.5 by Wyatt O'Day (wyday.com/cuesharp) */ /** * A CueSheet class used to open and parse cuesheets. * */ if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers exit; } class getid3_cue extends getid3_handler { public $cuesheet = array(); /** * @return bool */ public function Analyze() { $info = &$this->getid3->info; $info['fileformat'] = 'cue'; $this->readCueSheetFilename($info['filenamepath']); $info['cue'] = $this->cuesheet; return true; } /** * @param string $filename * * @return array */ public function readCueSheetFilename($filename) { $filedata = file_get_contents($filename); return $this->readCueSheet($filedata); } /** * Parses a cue sheet file. * * @param string $filedata * * @return array */ public function readCueSheet(&$filedata) { $cue_lines = array(); foreach (explode("\n", str_replace("\r", '', $filedata)) as $line) { if ( (strlen($line) > 0) && ($line[0] != '#')) { $cue_lines[] = trim($line); } } $this->parseCueSheet($cue_lines); return $this->cuesheet; } /** * Parses the cue sheet array. * * @param array $file - The cuesheet as an array of each line. */ public function parseCueSheet($file) { //-1 means still global, all others are track specific $track_on = -1; $currentFile = null; foreach ($file as $line) { list($key) = explode(' ', strtolower($line), 2); switch ($key) { case 'catalog': case 'cdtextfile': case 'isrc': case 'performer': case 'songwriter': case 'title': $this->parseString($line, $track_on); break; case 'file': $currentFile = $this->parseFile($line); break; case 'flags': $this->parseFlags($line, $track_on); break; case 'index': case 'postgap': case 'pregap': $this->parseIndex($line, $track_on); break; case 'rem': $this->parseComment($line, $track_on); break; case 'track': $track_on++; $this->parseTrack($line, $track_on); if (isset($currentFile)) // if there's a file { $this->cuesheet['tracks'][$track_on]['datafile'] = $currentFile; } break; default: //save discarded junk and place string[] with track it was found in $this->parseGarbage($line, $track_on); break; } } } /** * Parses the REM command. * * @param string $line - The line in the cue file that contains the TRACK command. * @param integer $track_on - The track currently processing. */ public function parseComment($line, $track_on) { $explodedline = explode(' ', $line, 3); $comment_REM = (isset($explodedline[0]) ? $explodedline[0] : ''); $comment_type = (isset($explodedline[1]) ? $explodedline[1] : ''); $comment_data = (isset($explodedline[2]) ? $explodedline[2] : ''); if (($comment_REM == 'REM') && $comment_type) { $comment_type = strtolower($comment_type); $commment_data = trim($comment_data, ' "'); if ($track_on != -1) { $this->cuesheet['tracks'][$track_on]['comments'][$comment_type][] = $comment_data; } else { $this->cuesheet['comments'][$comment_type][] = $comment_data; } } } /** * Parses the FILE command. * * @param string $line - The line in the cue file that contains the FILE command. * * @return array - Array of FILENAME and TYPE of file.. */ public function parseFile($line) { $line = substr($line, strpos($line, ' ') + 1); $type = strtolower(substr($line, strrpos($line, ' '))); //remove type $line = substr($line, 0, strrpos($line, ' ') - 1); //if quotes around it, remove them. $line = trim($line, '"'); return array('filename'=>$line, 'type'=>$type); } /** * Parses the FLAG command. * * @param string $line - The line in the cue file that contains the TRACK command. * @param integer $track_on - The track currently processing. */ public function parseFlags($line, $track_on) { if ($track_on != -1) { foreach (explode(' ', strtolower($line)) as $type) { switch ($type) { case 'flags': // first entry in this line $this->cuesheet['tracks'][$track_on]['flags'] = array( '4ch' => false, 'data' => false, 'dcp' => false, 'pre' => false, 'scms' => false, ); break; case 'data': case 'dcp': case '4ch': case 'pre': case 'scms': $this->cuesheet['tracks'][$track_on]['flags'][$type] = true; break; default: break; } } } } /** * Collect any unidentified data. * * @param string $line - The line in the cue file that contains the TRACK command. * @param integer $track_on - The track currently processing. */ public function parseGarbage($line, $track_on) { if ( strlen($line) > 0 ) { if ($track_on == -1) { $this->cuesheet['garbage'][] = $line; } else { $this->cuesheet['tracks'][$track_on]['garbage'][] = $line; } } } /** * Parses the INDEX command of a TRACK. * * @param string $line - The line in the cue file that contains the TRACK command. * @param integer $track_on - The track currently processing. */ public function parseIndex($line, $track_on) { $type = strtolower(substr($line, 0, strpos($line, ' '))); $line = substr($line, strpos($line, ' ') + 1); $number = 0; if ($type == 'index') { //read the index number $number = intval(substr($line, 0, strpos($line, ' '))); $line = substr($line, strpos($line, ' ') + 1); } //extract the minutes, seconds, and frames $explodedline = explode(':', $line); $minutes = (isset($explodedline[0]) ? $explodedline[0] : ''); $seconds = (isset($explodedline[1]) ? $explodedline[1] : ''); $frames = (isset($explodedline[2]) ? $explodedline[2] : ''); switch ($type) { case 'index': $this->cuesheet['tracks'][$track_on][$type][$number] = array('minutes'=>intval($minutes), 'seconds'=>intval($seconds), 'frames'=>intval($frames)); break; case 'pregap': case 'postgap': $this->cuesheet['tracks'][$track_on][$type] = array('minutes'=>intval($minutes), 'seconds'=>intval($seconds), 'frames'=>intval($frames)); break; } } /** * @param string $line * @param int $track_on */ public function parseString($line, $track_on) { $category = strtolower(substr($line, 0, strpos($line, ' '))); $line = substr($line, strpos($line, ' ') + 1); //get rid of the quotes $line = trim($line, '"'); switch ($category) { case 'catalog': case 'cdtextfile': case 'isrc': case 'performer': case 'songwriter': case 'title': if ($track_on == -1) { $this->cuesheet[$category] = $line; } else { $this->cuesheet['tracks'][$track_on][$category] = $line; } break; default: break; } } /** * Parses the TRACK command. * * @param string $line - The line in the cue file that contains the TRACK command. * @param integer $track_on - The track currently processing. */ public function parseTrack($line, $track_on) { $line = substr($line, strpos($line, ' ') + 1); $track = ltrim(substr($line, 0, strpos($line, ' ')), '0'); //find the data type. $datatype = strtolower(substr($line, strpos($line, ' ') + 1)); $this->cuesheet['tracks'][$track_on] = array('track_number'=>$track, 'datatype'=>$datatype); } }