/**
* Modify the SPARQL pattern to allow querying using the original URI
*/
function urisToEquivURIsInQuery()
{
$query_structure = $this->requestdata->query_parsed;
//print_r($query_structure);
$triple = $query_structure['query']['pattern']['patterns'][0]['patterns'][0];
$s = $triple['s'];
$p = $triple['p'];
$o = $triple['o'];
$s_type = $triple['s_type'];
$p_type = $triple['p_type'];
$o_type = $triple['o_type'];
if ($s_type === 'uri') {
$triple['s'] = 's';
$triple['s_type'] = 'var';
$newtriple = $this->createEquivURITriple($s, 's');
// TODO: Shouldn't the new triple replace the old one, not just be added?
$query_structure['query']['pattern']['patterns'][0]['patterns'][] = $newtriple;
}
if ($p_type === 'uri') {
$triple['p'] = 'p';
$triple['p_type'] = 'var';
$newtriple = $this->createEquivURITriple($p, 'p', true);
$query_structure['query']['pattern']['patterns'][0]['patterns'][] = $newtriple;
}
if ($o_type === 'uri') {
$triple['o'] = 'o';
$triple['o_type'] = 'var';
$newtriple = $this->createEquivURITriple($o, 'o');
$query_structure['query']['pattern']['patterns'][0]['patterns'][] = $newtriple;
}
// restore the first triple into its original location
$query_structure['query']['pattern']['patterns'][0]['patterns'][0] = $triple;
//print_r($query_structure);
require_once __DIR__ . "/../bundle/ARC2_SPARQLSerializerPlugin.php";
$sparqlserializer = new ARC2_SPARQLSerializerPlugin("<>", $this);
$query = $sparqlserializer->toString($query_structure);
$this->setQueryInPost($query);
}
/**
* If option is so chosen, convert URIs in the query to
* their corresponding "Original URIs" or "Equivalent URIs"
*/
function convertURIsInQuery() {
if ( $this->m_querybyoriguri ) {
$this->convertOrigURIsToInternalURIsInQuery();
} elseif ( $this->m_querybyequivuri ) {
$query_structure = $this->m_query_parsed;
$triple = $query_structure['query']['pattern']['patterns'][0]['patterns'][0];
$s = $triple['s'];
$p = $triple['p'];
$o = $triple['o'];
$s_type = $triple['s_type'];
$p_type = $triple['p_type'];
$o_type = $triple['o_type'];
if ( $s_type === 'uri' ) {
$triple['s'] = 's';
$triple['s_type'] = 'var';
$newtriple = $this->createEquivURITriple( $s, 's' );
$query_structure['query']['pattern']['patterns'][0]['patterns'][] = $newtriple;
}
if ( $p_type === 'uri' ) {
$triple['p'] = 'p';
$triple['p_type'] = 'var';
$newtriple = $this->createEquivURITriple( $p, 'p', true );
$query_structure['query']['pattern']['patterns'][0]['patterns'][] = $newtriple;
}
if ( $o_type === 'uri' ) {
$triple['o'] = 'o';
$triple['o_type'] = 'var';
$newtriple = $this->createEquivURITriple( $o, 'o' );
$query_structure['query']['pattern']['patterns'][0]['patterns'][] = $newtriple;
}
// restore the first triple into its original location
$query_structure['query']['pattern']['patterns'][0]['patterns'][0] = $triple;
require_once( __DIR__ . "/bundle/ARC2_SPARQLSerializerPlugin.php" );
$sparqlserializer = new ARC2_SPARQLSerializerPlugin();
$query = $sparqlserializer->toString( $query_structure );
$this->setQueryInPost( $query );
# $this->convertEquivURIsToInternalURIsInQuery(); // TODO DEPRECATED
}
}
