/**
*
* @param object Resource $resource
* @access private
*/
function collectNamespace($resource)
{
$namespace = RDF_Util::getNamespace($resource);
if (!in_array($namespace, $this->m_namespaces)) {
$prefix = array_search($namespace, $this->m_defaultNamespaces);
if ($prefix === false) {
$prefix = $this->getNextNamespacePrefix();
}
$this->m_namespaces[$prefix] = $namespace;
}
}
/**
* Write the RDF serialization of the Model_MDB as HTML table.
*
* @access public
*/
function writeAsHtmlTable()
{
$Model_Memory =& $this->getMemModel();
RDF_Util::writeHTMLTable($Model_Memory);
}
/**
* Get Node Type.
* Used by RDF_Util::writeHTMLTable()
*
* @param object Node $node
* @return object Resource
* @access private
*/
function getNodeTypeName($node)
{
if (is_a($node, 'RDF_BlankNode')) {
return 'Blank Node: ';
} elseif (is_a($node, 'RDF_Literal')) {
return 'Literal: ';
} else {
if (RDF_Util::getNamespace($node) == RDF_NAMESPACE_URI || RDF_Util::getNamespace($node) == RDF_SCHEMA_URI) {
return 'RDF Node: ';
}
}
return 'Resource: ';
}
/**
* Returns all tripels of a certain vocabulary.
* $vocabulary is the namespace of the vocabulary inluding a # : / char at the end.
* e.g. http://www.w3.org/2000/01/rdf-schema#
* Returns an empty Model_Memory if nothing is found.
*
* @param string $vocabulary
* @return object Model_Memory
* @access public
*/
function findVocabulary($vocabulary)
{
if ($this->size() == 0) {
return $res;
}
if ($vocabulary == null || $vocabulary == "") {
return $this;
}
$res =& new RDF_Model_Memory($this->getBaseURI());
foreach ($this->triples as $value) {
if (RDF_Util::getNamespace($value->getPredicate()) == $vocabulary) {
$res->add($value);
}
}
return $res;
}