/**
* Prepare the prc file.
*
* @return Prc The file that can be used to be saved/downloaded
*/
private function preparePRC()
{
if ($this->source === false) {
throw new Exception('No data set');
}
if ($this->prc !== false) {
return $this->prc;
}
$data = $this->source;
$len = strlen($data);
$settings = new Settings($this->optional);
$rec = new RecordFactory($settings);
$dataRecords = $rec->createRecords($data);
$nRecords = sizeof($dataRecords);
$mobiHeader = new PalmRecord($settings, $dataRecords, $nRecords, $len, sizeof($this->images));
array_unshift($dataRecords, $mobiHeader);
$dataRecords = array_merge($dataRecords, $this->images);
$dataRecords[] = $rec->createFLISRecord();
$dataRecords[] = $rec->createFCISRecord($len);
$dataRecords[] = $rec->createEOFRecord();
$this->prc = new Prc($settings, $dataRecords);
return $this->prc;
}
