public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
$pageID = encodeLocalName($pageID);
// Remove Template as this is already extracted by the Infobox Extractor
// Find subtemplates and remove Subtemplates, which are listed as ignored!
preg_match_all('~\\{((?>[^{}]+)|(?R))*\\}~x', $pageSource, $subTemplates);
foreach ($subTemplates[0] as $key => $subTemplate) {
$subTemplate = preg_replace("/(^\\{\\{)|(\\}\\}\$)/", "", $subTemplate);
// Cut Brackets / {}
$pageSource = str_replace('{{' . $subTemplate . '}}', '', $pageSource);
}
// Extract internal Semantic Links
$findSemanticLinks = preg_match_all('/(\\[\\[)([a-zA-z0-9\\- _]+)(::)([^\\]]+)\\]\\]/', $pageSource, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$result->addTriple(RDFtriple::page($pageID), RDFtriple::predicate(encodeLocalName($match[2])), RDFtriple::page($match[4]));
}
// Extract Literals
$findSemanticLinks = preg_match_all('/(\\[\\[)([a-zA-Z\\-_ ]+)(:=)([^\\]]+)\\]\\]/', $pageSource, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$triple = array();
$triple = parseAttributeValue($match[4], $pageID, $match[2]);
// object, object_is, datatype(, language)
$lexicalForm = $triple[0];
$datatype = $triple[2];
$predicate = propertyToCamelCase(encodeLocalName($match[2]));
// Continue if empty String
if ($lexicalForm == null) {
continue;
}
$result->addTriple(RDFtriple::page($pageID), RDFTriple::predicate($predicate), RDFtriple::literal($lexicalForm, $datatype, 'en'));
}
return $result;
}
private function getPredicates()
{
$this->allPredicates->addPredicate(RDFTriple::predicate("reference")->getURI());
return $this->allPredicates->getPredicateTriples();
}
