Ejemplo n.º 1
0
 /**
  * @param string $start
  * @param string $stop
  * @param string $text
  * @param string $settings
  * @param string $id
  * @param string $note
  * @return WebvttCue
  */
 private function createCue($start, $stop, $text, $settings, $id, $note)
 {
     $cue = new WebvttCue($start, $stop, $text);
     $tmp = explode(' ', trim($settings));
     foreach ($tmp as $setting) {
         $tmp2 = explode(':', $setting);
         if (count($tmp2) !== 2) {
             continue;
         }
         $cue->setSetting($tmp2[0], $tmp2[1]);
     }
     if ($id !== null) {
         $cue->setIdentifier($id);
     }
     if (!empty($note)) {
         $cue->setNote($note);
     }
     return $cue;
 }
Ejemplo n.º 2
0
 public function parse()
 {
     $handle = fopen($this->filename, "r");
     $parsing_errors = array();
     if ($handle) {
         $case = 'header';
         $i = 1;
         while (($line = fgets($handle)) !== false) {
             // checking header
             if ($case === 'header' && trim($line) != 'WEBVTT') {
                 $parsing_errors[] = 'Missing "WEBVTT" at the beginning of the file';
             } elseif ($case === 'header') {
                 $case = 'region';
                 continue;
             }
             if ($case !== 'header') {
                 // parsing regions
                 if ($case === 'region' && substr($line, 0, 7) == 'Region:') {
                     $this->addRegion(WebvttRegion::parseFromString($line));
                     continue;
                 }
                 if ($case === 'region' && trim($line) === '') {
                     $case = 'body';
                     continue;
                 }
                 if ($case === 'body') {
                     // parsing notes
                     if (substr($line, 0, 4) === 'NOTE') {
                         if (trim($line) === 'NOTE') {
                             $note = $this->lineEnding;
                         } else {
                             $note = trim(ltrim($line, 'NOTE ')) . $this->lineEnding;
                         }
                         // note continues until there is a blank line
                         while (trim($line = fgets($handle)) !== '') {
                             $note .= trim($line) . $this->lineEnding;
                             $i++;
                         }
                         continue;
                     }
                     // parsing cues
                     $id_match = !strstr($line, '-->') && trim($line) != '';
                     $matches = array();
                     $timecode_match = preg_match(self::TIMECODE_PATTERN, $line, $matches);
                     if ($id_match || $timecode_match) {
                         $id = null;
                         $start = null;
                         $stop = null;
                         $settings = null;
                         $text = '';
                         if ($id_match) {
                             $id = $line;
                             $line = fgets($handle);
                             $matches = array();
                             $timecode_match = preg_match(self::TIMECODE_PATTERN, $line, $matches);
                         }
                         if (!$timecode_match) {
                             $parsing_errors[] = 'Malformed cue detected at line ' . $i;
                         } else {
                             $start = $matches[1];
                             $stop = $matches[2];
                             $settings = trim($matches[3]);
                         }
                         // cue continues until there is a blank line
                         while (trim($line = fgets($handle)) !== '') {
                             $text .= trim($line) . $this->lineEnding;
                         }
                         // make the cue object and add it to the file
                         $cue = new WebvttCue($start, $stop, $text);
                         $tmp = explode(' ', trim($settings));
                         foreach ($tmp as $setting) {
                             $tmp2 = explode(':', $setting);
                             if (count($tmp2) !== 2) {
                                 continue;
                             }
                             $cue->setSetting($tmp2[0], $tmp2[1]);
                         }
                         if ($id !== null) {
                             $cue->setIdentifier($id);
                         }
                         if (!empty($note)) {
                             $cue->setNote($note);
                             unset($note);
                         }
                         $this->addCue($cue);
                         unset($cue);
                         continue;
                     }
                 }
             }
             $i++;
         }
     } else {
         throw new \Exception('Could not read the file "' . $this->filename . '".');
     }
     fclose($handle);
     if (count($parsing_errors) > 0) {
         throw new \Exception('The following errors were found while parsing the file:' . "\n" . print_r($parsing_errors, true));
     }
     return $this;
 }