public function rdfLiteral()
{
$value = null;
$LANGTAG48 = null;
$string47 = null;
$iriRef49 = null;
try {
$this->pushFollow(self::$FOLLOW_string_in_rdfLiteral2838);
$string47 = $this->string();
$this->state->_fsp--;
$value = new Erfurt_Sparql_Query2_RDFLiteral($string47 != null ? $this->input->toStringBetweenTokens($string47->start, $string47->stop) : null, null, "");
// Sparql10.g:412:9: ( LANGTAG | ( REFERENCE iriRef ) )?
$alt67 = 3;
$alt67 = $this->dfa67->predict($this->input);
switch ($alt67) {
case 1:
$LANGTAG48 = $this->match($this->input, $this->getToken('LANGTAG'), self::$FOLLOW_LANGTAG_in_rdfLiteral2852);
$value->setLanguageTag($LANGTAG48 != null ? $LANGTAG48->getText() : null);
break;
case 2:
$this->match($this->input, $this->getToken('REFERENCE'), self::$FOLLOW_REFERENCE_in_rdfLiteral2869);
$this->pushFollow(self::$FOLLOW_iriRef_in_rdfLiteral2871);
$iriRef49 = $this->iriRef();
$this->state->_fsp--;
$value->setDatatype($iriRef49);
break;
}
} catch (RecognitionException $re) {
$this->reportError($re);
$this->recover($this->input, $re);
} catch (Exception $e) {
throw $e;
}
return $value;
}
/**
* add a filter from the filter box - these filters match some predefined schemes
* (like "equals", "contains")
*
* @param string $property
* @param boolean $isInverse whether the property is a indirect property of the resources
* @param string $propertyLabel label affects the created variable
* @param string $filter the type of filter ("equals", "bound", "larger", "smaller", "between", "contains")
* @param string $value
* @param string $valueSecondary
* @param string $valuetype ("uri" or "literal" or "typed-literal")
* @param string $literaltype (if valuetype is set to "typed-literal", you can pass a URI here)
* @param boolean $hidden whether to hide this filter in the filter box GUI
* @param string $id optional predined ID, will be generated normally
* @param boolean $negate whether to invert the condition
* @param boolean $optional
*
* @return string id
* @throws RuntimeException
*/
public function addFilter($property, $isInverse, $propertyLabel, $filter, $value = null, $valueSecondary = null, $valuetype = 'literal', $literaltype = null, $hidden = false, $id = null, $negate = false, $optional = false)
{
if ($id == null) {
$id = 'box' . count($this->_filter);
} else {
if (isset($this->_filter[$id])) {
$this->removeFilter($id);
}
}
$prop = new Erfurt_Sparql_Query2_IriRef($property);
if (!empty($value)) {
switch ($valuetype) {
case 'uri':
$valueObj = new Erfurt_Sparql_Query2_IriRef($value);
if (!empty($valueSecondary)) {
$valueSecondaryObj = new Erfurt_Sparql_Query2_IriRef($valueSecondary);
}
break;
case 'literal':
if (!empty($literaltype)) {
//with language tags
$valueObj = new Erfurt_Sparql_Query2_RDFLiteral($value, $literaltype);
if (!empty($valueSecondary)) {
$valueSecondaryObj = new Erfurt_Sparql_Query2_RDFLiteral($valueSecondary, $literaltype);
}
} else {
//no language tags
if (is_array($value)) {
$value = current($value);
}
$meta = '';
if (is_scalar($value) && !is_string($value) && !is_array($value)) {
$meta = gettype($value);
}
$valueObj = new Erfurt_Sparql_Query2_RDFLiteral($value, $meta);
if (!empty($valueSecondary)) {
$valueSecondaryObj = new Erfurt_Sparql_Query2_RDFLiteral($valueSecondary, $meta);
}
}
break;
case 'typed-literal':
if (in_array($literaltype, Erfurt_Sparql_Query2_RDFLiteral::$knownShortcuts)) {
//is something like "bool" or "int" - will be converted from "1"^^xsd:int to 1
$valueObj = new Erfurt_Sparql_Query2_RDFLiteral($value, $literaltype);
if (!empty($valueSecondary)) {
$valueSecondaryObj = new Erfurt_Sparql_Query2_RDFLiteral($valueSecondary, $literaltype);
}
} else {
// is a uri
$valueObj = new Erfurt_Sparql_Query2_RDFLiteral($value, new Erfurt_Sparql_Query2_IriRef($literaltype));
if (!empty($valueSecondary)) {
$valueSecondaryObj = new Erfurt_Sparql_Query2_RDFLiteral($valueSecondary, new Erfurt_Sparql_Query2_IriRef($literaltype));
}
}
break;
default:
throw new RuntimeException('called Ontowiki_Model_Instances::addFilter with ' . 'unknown param-value: valuetype = "' . $valuetype . '"');
}
}
switch ($filter) {
case 'contains':
$var = new Erfurt_Sparql_Query2_Var($propertyLabel);
if (!$isInverse) {
$triple = $this->_resourceQuery->addTriple($this->_resourceVar, $prop, $var);
} else {
$triple = $this->_resourceQuery->addTriple($var, $prop, $this->_resourceVar);
}
$valueObj->setValue(str_replace("\\", "\\\\", preg_quote($valueObj->getValue())));
$addFilter = null;
if (!$negate) {
$addFilter = new Erfurt_Sparql_Query2_Regex(new Erfurt_Sparql_Query2_Str($var), $valueObj);
} else {
$addFilter = new Erfurt_Sparql_Query2_UnaryExpressionNot(new Erfurt_Sparql_Query2_Regex(new Erfurt_Sparql_Query2_Str($var), $valueObj));
}
$filterObj = $this->_resourceQuery->addFilter($addFilter);
break;
case 'equals':
if ($valuetype == 'literal') {
$valueVar = new Erfurt_Sparql_Query2_Var($propertyLabel);
if (!$isInverse) {
$triple = new Erfurt_Sparql_Query2_Triple($this->_resourceVar, $prop, $valueVar);
} else {
throw new RuntimeException('literal as value for an inverse property ' . 'is a literal subject which is not allowed');
}
if ($negate) {
$optionalGP = new Erfurt_Sparql_Query2_OptionalGraphPattern();
$optionalGP->addElement($triple);
if ($optional) {
$orExpression = new Erfurt_Sparql_Query2_ConditionalOrExpression();
$orExpression->addElement(new Erfurt_Sparql_Query2_UnaryExpressionNot(new Erfurt_Sparql_Query2_bound($valueVar)));
$orExpression->addElement(new Erfurt_Sparql_Query2_NotEquals($valueVar, $valueObj));
$filterObj = $optionalGP->addFilter($orExpression);
} else {
$filterObj = $optionalGP->addFilter(new Erfurt_Sparql_Query2_NotEquals($valueVar, $valueObj));
}
$this->_resourceQuery->addElement($optionalGP);
$triple = $optionalGP;
} else {
$this->_resourceQuery->addElement($triple);
$filterObj = $this->_resourceQuery->addFilter(new Erfurt_Sparql_Query2_Regex(new Erfurt_Sparql_Query2_Str($valueVar), new Erfurt_Sparql_Query2_RDFLiteral('^' . str_replace("\\", "\\\\", preg_quote($value)) . '$')));
}
} else {
if (!$isInverse) {
$triple = $this->_resourceQuery->addTriple($this->_resourceVar, $prop, $valueObj);
} else {
$triple = $this->_resourceQuery->addTriple($valueObj, $prop, $this->_resourceVar);
}
}
break;
case 'larger':
$var = new Erfurt_Sparql_Query2_Var($propertyLabel);
if (!$isInverse) {
$triple = $this->_resourceQuery->addTriple($this->_resourceVar, $prop, $var);
} else {
$triple = $this->_resourceQuery->addTriple($var, $prop, $this->_resourceVar);
}
$filterObj = $this->_resourceQuery->addFilter(new Erfurt_Sparql_Query2_Larger($var, $valueObj));
break;
case 'smaller':
$var = new Erfurt_Sparql_Query2_Var($propertyLabel);
if (!$isInverse) {
$triple = $this->_resourceQuery->addTriple($this->_resourceVar, $prop, $var);
} else {
$triple = $this->_resourceQuery->addTriple($var, $prop, $this->_resourceVar);
}
$filterObj = $this->_resourceQuery->addFilter(new Erfurt_Sparql_Query2_Smaller($var, $valueObj));
break;
case 'between':
$var = new Erfurt_Sparql_Query2_Var($propertyLabel);
if (!$isInverse) {
$triple = $this->_resourceQuery->addTriple($this->_resourceVar, $prop, $var);
} else {
$triple = $this->_resourceQuery->addTriple($var, $prop, $this->_resourceVar);
}
$filterObj = $this->_resourceQuery->addFilter(new Erfurt_Sparql_Query2_ConditionalAndExpression(array(new Erfurt_Sparql_Query2_Larger($var, $valueObj), new Erfurt_Sparql_Query2_Smaller($var, $valueSecondaryObj))));
break;
case 'bound':
$var = new Erfurt_Sparql_Query2_Var($propertyLabel);
if (!$isInverse) {
$triple = new Erfurt_Sparql_Query2_Triple($this->_resourceVar, $prop, $var);
} else {
$triple = new Erfurt_Sparql_Query2_Triple($var, $prop, $this->_resourceVar);
}
if ($negate) {
$optionalGP = new Erfurt_Sparql_Query2_OptionalGraphPattern();
$optionalGP->addElement($triple);
$this->_resourceQuery->addElement($optionalGP);
$triple = $optionalGP;
// to save this obj (see underneath 20 lines)
} else {
$this->_resourceQuery->addElement($triple);
}
if ($negate) {
$filterObj = $this->_resourceQuery->addFilter(new Erfurt_Sparql_Query2_UnaryExpressionNot(new Erfurt_Sparql_Query2_bound($var)));
}
break;
default:
throw new RuntimeException('called Ontowiki_Model_Instances::addFilter with ' . 'unknown param-value: filtertype=' . $filter);
}
//these filters bring their own triple
$this->removeAllTriple();
//save
$this->_filter[$id] = array('id' => $id, 'mode' => 'box', 'property' => $property, 'isInverse' => $isInverse, 'propertyLabel' => $propertyLabel, 'filter' => $filter, 'value1' => $value, 'value2' => $valueSecondary, 'valuetype' => $valuetype, 'literaltype' => $literaltype, 'hidden' => $hidden, 'negate' => $negate, 'objects' => array($triple, isset($filterObj) ? $filterObj : null));
$this->invalidate();
return $id;
}
