/**
*
*/
function &rewriteURIsInResDescrModel(&$rd_m)
{
global $_PUBBY_DATASET;
global $namespaces;
$rew_rd_m = new MemModel();
// uri rewriting + regex filtering
if ($_PUBBY_DATASET['datasetURIPattern'] != '') {
$l = strlen($_PUBBY_DATASET['datasetBase']);
$iter = $rd_m->getStatementIterator();
while ($iter->hasNext()) {
$triple = $iter->next();
$subj = $triple->getSubject();
// if subjURI is a datasetURI & does not match the pattern
if (stripos($subj->getURI(), $_PUBBY_DATASET['datasetBase']) === 0 && !preg_match($_PUBBY_DATASET['datasetURIPattern'], substr($subj->getURI(), $l))) {
continue;
} else {
// if predURI is a datasetURI & does not match the pattern
$pred = $triple->getPredicate();
if (stripos($pred->getURI(), $_PUBBY_DATASET['datasetBase']) === 0 && !preg_match($_PUBBY_DATASET['datasetURIPattern'], substr($pred->getURI(), $l))) {
continue;
} else {
// if obj is a Literal & objeURI is a datasetURI & does not match the pattern
$obj = $triple->getObject();
if (!is_a($obj, "Literal")) {
if (stripos($obj->getURI(), $_PUBBY_DATASET['datasetBase']) === 0 && !preg_match($_PUBBY_DATASET['datasetURIPattern'], substr($obj->getURI(), $l))) {
continue;
} else {
$obj = new Resource(RAPpubbyURIrewriter::datasetURItoPubbyURI($obj->getURI()));
}
}
$subj = new Resource(RAPpubbyURIrewriter::datasetURItoPubbyURI($subj->getURI()));
$pred = new Resource(RAPpubbyURIrewriter::datasetURItoPubbyURI($pred->getURI()));
$rew_rd_m->add(new Statement($subj, $pred, $obj));
}
}
}
} else {
$iter = $rd_m->getStatementIterator();
while ($iter->hasNext()) {
$triple = $iter->next();
$subj = new Resource(RAPpubbyURIrewriter::datasetURItoPubbyURI($triple->getSubject()->getURI()));
$pred = new Resource(RAPpubbyURIrewriter::datasetURItoPubbyURI($triple->getPredicate()->getURI()));
$obj = $triple->getObject();
if (!is_a($obj, "Literal")) {
$obj = new Resource(RAPpubbyURIrewriter::datasetURItoPubbyURI($obj->getURI()));
}
$rew_rd_m->add(new Statement($subj, $pred, $obj));
}
}
return $rew_rd_m;
}
/**
* loads system namespaces + namespaces from file or rewrites from configuration model
*/
function loadNamespaces($systemNs, $url)
{
if ($url) {
$nmsp_m = new MemModel();
$nmsp_m->load($url);
$this->ns = $nmsp_m->getParsedNamespaces();
if (!$this->ns) {
trigger_error("The file:" . $url . "does not contain any namespace declarations." . "The prefixes from the configuration model will be used instead");
}
} else {
$nmsp = $this->m->getParsedNamespaces();
if ($nmsp) {
$this->ns = RAPpubbyURIrewriter::rewrNamespaces($nmsp);
}
}
$this->ns = array_merge($this->ns, $systemNs);
}
if ($rd->isEmpty()) {
header('HTTP/1.1 404 Not Found');
}
$c = $rd->serialize("html");
header('Content-length: ' . strlen($c));
echo $c;
break;
default:
if (strpos($_SERVER['HTTP_ACCEPT'], "application/rdf+xml") !== false) {
$dataURI = RAPpubbyURIrewriter::resURItoDataURI($http_reqest_URI);
header('HTTP/1.1 303 See Other');
header('Location: ' . $dataURI);
header('Content-type: text/plain');
$c = "303 See Other: For a description of this item, see <{$dataURI}>";
} elseif (strpos($_SERVER['HTTP_ACCEPT'], "application/n3") !== false) {
$dataURI = RAPpubbyURIrewriter::resURItoDataURI($http_reqest_URI, 'n3');
header('HTTP/1.1 303 See Other');
header('Location: ' . $dataURI);
header('Content-type: text/plain');
$c = "303 See Other: For a description of this item in n3, see <{$dataURI}>";
} else {
$pageURI = RAPpubbyURIrewriter::resURItoPageURI($http_reqest_URI);
header('HTTP/1.1 303 See Other');
header('Location: ' . $pageURI);
header('Content-type: text/plain');
header('Content-length: 33');
$c = "303 See Other: For a description of this item see <{$pageURI}>";
}
header('Content-length: ' . strlen($c));
echo $c;
}
/**
*
*/
function getPageURI()
{
return RAPpubbyURIrewriter::resURItoPageURI($this->res->getURI());
}
