/**
* Sort the input data by the rules for bibliographies.
*
* @return bool
*/
public function sort()
{
if (isset($this->sort) == true && $this->doNotSort == false) {
$name = 'bibliography';
if (Container::getContext()->getName() == 'citation') {
$name = 'citation';
}
Container::getContext()->setName('bibliography');
Container::getContext()->enter('bibliography');
$return = $this->sort->sort('bibliography');
Container::getContext()->leave();
Container::getContext()->setName($name);
return $return;
}
return false;
}
/**
* Render the citations.
*
* @param string $data
* @return string
*/
public function render($data)
{
Container::getContext()->enter('citation');
// sort
if (isset($this->sort) == true) {
$this->sort->sort('citation');
}
// render citation
$result = $this->layout->render($data);
// The assignment of the year-suffixes follows the order of the bibliographies entries,
// so sort if disambiguation by year-suffixes is needed, sort the data by the bibliography
// and re-render citations
if (Container::hasBibliography() == true && Container::getContext()->getValue('disambiguateAddYearSuffix', 'citation') === true && Container::getContext()->getLastDisambiguation() == 'Geissler\\CSL\\Options\\Disambiguation\\AddYearSuffix' && Container::getBibliography()->sort() == true) {
Container::getRendered()->clear();
// re-render citation
$result = $this->layout->render($data);
}
if (Container::getCitationItem() !== false) {
// apply additional citation formatting options
Container::getCitationItem()->moveToFirst();
if (Container::getCitationItem()->get('noteIndex') !== null || Container::getCitationItem()->get('index') !== null) {
$citation = array();
$length = count($result);
$prefix = '..';
for ($i = 0; $i < $length; $i++) {
if ($i + 1 == $length) {
$prefix = '>>';
}
// Therefore, the first character of a citation should preferably be uppercased
$citation[] = $prefix . '[' . $i . '] ' . $this->upperCase($result[$i]);
}
$return = implode("\n", $citation);
} else {
array_walk($result, array($this, 'upperCase'));
$return = implode("\n", $result);
}
} else {
array_walk($result, array($this, 'upperCase'));
$return = implode("\n", $result);
}
Container::getContext()->leave();
return $return;
}