/**
* Extracts the entity's notation and surrounding context from the text
*
* @param string $xmlid Value of @xml:id attribute of element whose
* context is to be returned.
* @param int $containerindex Internal container counter/index
*
* @return array
*/
protected function extractText($xmlid, $containerindex)
{
// Insert marker for "own" notation, then remove other notations
$context = preg_replace('#</?:[^>]+>#', '', str_replace(array('<:' . $xmlid . '>', '</:' . $xmlid . '>'), '###', $this->containers[$containerindex]));
// Convert the context to plaintext. Therefore, escape special chars
// in the plaintext, as the plaintext conversion code should expect XML.
$context = trim(preg_replace('#\\s+#u', ' ', $this->plaintextConverter->convert(htmlspecialchars($context))));
return explode('###', $context);
}
/**
* Callback function for occurrences of <titlePart> elements.
*
* This method expects each <text> to have one <titlePart>. If there is
* more than one, subclasses may be used to filter the unwanted title(s).
*
* @throws \RuntimeException
*/
protected function processTitlePart()
{
$title = $this->plaintextConverter->convert($this->r->readOuterXML());
// Check for uniqueness
if (!empty($this->data['volTitles'][$this->data['currentVolume']])) {
throw new \RuntimeException('Multiple <titlePart> elements for volume ' . $this->data['currentVolume'] . ":\n");
}
$this->data['volTitles'][$this->data['currentVolume']] = true;
$volume = $this->setup->factory->createVolume();
$volume->number = $this->data['currentVolume'];
$volume->title = $title;
$volume->pagenumber = $this->data['currTextStart'];
$this->volumeGateway->save($volume);
}