function testSerialiseDatatype()
{
$joe = $this->_graph->resource('http://example.com/joe#me');
$joe->set('foaf:foo', EasyRdf_Literal::create(1, null, 'xsd:integer'));
$ntriples = $this->_serialiser->serialise($this->_graph, 'ntriples');
$this->assertStringEquals("<http://example.com/joe#me> " . "<http://xmlns.com/foaf/0.1/foo> " . "\"1\"^^<http://www.w3.org/2001/XMLSchema#integer> .\n", $ntriples);
}
/** Constructor for creating a new boolean literal
*
* If the value is not a string, then it will be converted to 'true' or 'false'.
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:boolean')
* @return object EasyRdf_Literal_Boolean
*/
public function __construct($value, $lang = null, $datatype = null)
{
if (!is_string($value)) {
$value = $value ? 'true' : 'false';
}
parent::__construct($value, null, $datatype);
}
/** Constructor for creating a new date literal
*
* The date is parsed and stored internally using a DateTime object.
* @see DateTime
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:date')
* @return object EasyRdf_Literal_Date
*/
public function __construct($value, $lang = null, $datatype = null)
{
// Convert the value into a DateTime object, if it isn't already
if (!$value instanceof DateTime) {
$value = new DateTime(strval($value));
}
parent::__construct($value, null, $datatype);
}
/** Constructor for creating a new date literal
*
* If the value is a DateTime object, then it will be converted to the xsd:date format.
*
* @see DateTime
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:date')
* @return object EasyRdf_Literal_Date
*/
public function __construct($value, $lang = null, $datatype = null)
{
// Convert DateTime object into string
if ($value instanceof DateTime) {
$value = $value->format('Y-m-d');
}
parent::__construct($value, null, $datatype);
}
/** Constructor for creating a new date and time literal
*
* If the value is a DateTime object, then it will be converted to the xsd:dateTime format.
*
* @see DateTime
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:dateTime')
* @return object EasyRdf_Literal_DateTime
*/
public function __construct($value, $lang = null, $datatype = null)
{
// Convert DateTime objects into string
if ($value instanceof DateTime) {
$iso = $value->format(DateTime::ISO8601);
$value = preg_replace('/[\\+\\-]00(\\:?)00$/', 'Z', $iso);
}
EasyRdf_Literal::__construct($value, null, $datatype);
}
/** Constructor for creating a new xsd:hexBinary literal
*
* @param mixed $value The value of the literal (already encoded as hexadecimal)
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:hexBinary')
* @return object EasyRdf_Literal_HexBinary
*/
public function __construct($value, $lang = null, $datatype = null)
{
// Normalise the canonical representation, as specified here:
// http://www.w3.org/TR/xmlschema-2/#hexBinary-canonical-repr
$value = strtoupper($value);
// Validate the data
if (preg_match('/[^A-F0-9]/', $value)) {
throw new InvalidArgumentException("Literal of type xsd:hexBinary contains non-hexadecimal characters");
}
parent::__construct(strtoupper($value), null, 'xsd:hexBinary');
}
/** Constructor for creating a new date literal
*
* If the value is a DateTime object, then it will be converted to the xsd:date format.
* If no value is given or is is null, then the current date is used.
*
* @see DateTime
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:date')
* @return object EasyRdf_Literal_Date
*/
public function __construct($value = null, $lang = null, $datatype = null)
{
// If $value is null, use today's date
if (is_null($value)) {
$value = new DateTime('today');
}
// Convert DateTime object into string
if ($value instanceof DateTime) {
$value = $value->format('Y-m-d');
}
parent::__construct($value, null, $datatype);
}
/** Constructor for creating a new date and time literal
*
* If the value is a DateTime object, then it will be converted to the xsd:dateTime format.
* If no value is given or is is null, then the current time is used.
*
* @see DateTime
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:dateTime')
* @return object EasyRdf_Literal_DateTime
*/
public function __construct($value = null, $lang = null, $datatype = null)
{
// If $value is null, use 'now'
if (is_null($value)) {
$value = new DateTime('now');
}
// Convert DateTime objects into string
if ($value instanceof DateTime) {
$atom = $value->format(DateTime::ATOM);
$value = preg_replace('/[\\+\\-]00(\\:?)00$/', 'Z', $atom);
}
EasyRdf_Literal::__construct($value, null, $datatype);
}
/** Constructor for creating a new decimal literal
*
* @param double|int|string $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:decimal')
*
* @throws UnexpectedValueException
* @return EasyRdf_Literal_Decimal
*/
public function __construct($value, $lang = null, $datatype = null)
{
if (is_string($value)) {
self::validate($value);
} elseif (is_double($value) or is_int($value)) {
$locale_data = localeconv();
$value = str_replace($locale_data['decimal_point'], '.', strval($value));
} else {
throw new UnexpectedValueException('EasyRdf_Literal_Decimal expects int/float/string as value');
}
$value = self::canonicalise($value);
parent::__construct($value, null, $datatype);
}
function testSerialiseUnshortenableDatatype()
{
$joe = $this->_graph->resource('http://example.com/joe#me');
$joe->set('foaf:foo', EasyRdf_Literal::create('foobar', null, 'http://example.com/datatype/'));
$turtle = $this->_serialiser->serialise($this->_graph, 'turtle');
$this->assertContains("<http://example.com/joe#me> " . "foaf:foo " . "\"foobar\"^^<http://example.com/datatype/> .", $turtle);
}
{
return (int) $this->_value->format('H');
}
/** The minutes pasts the hour as an integer
*
* @return integer
*/
public function min()
{
return (int) $this->_value->format('i');
}
/** The seconds pasts the minute as an integer
*
* @return integer
*/
public function sec()
{
return (int) $this->_value->format('s');
}
/** Magic method to return the value as an ISO8601 string
*
* @return string The date time as an ISO8601 string
*/
public function __toString()
{
$iso = $this->_value->format(DateTime::ISO8601);
return preg_replace('/[\\+\\-]00(\\:?)00$/', 'Z', $iso);
}
}
EasyRdf_Literal::setDatatypeMapping('xsd:dateTime', 'EasyRdf_Literal_DateTime');
/**
* Add void and hydra meta-data to an existing graph
*
* @param EasyRdf_Graph $graph The graph to which meta data has to be added
* @param integer $count The total amount of triples that match the URI
*
* @return EasyRdf_Graph $graph
*/
public function addMetaTriples($graph, $limit, $offset, $count)
{
// Add the void and hydra namespace to the EasyRdf framework
\EasyRdf_Namespace::set('hydra', 'http://www.w3.org/ns/hydra/core#');
\EasyRdf_Namespace::set('void', 'http://rdfs.org/ns/void#');
\EasyRdf_Namespace::set('dcterms', 'http://purl.org/dc/terms/');
// Add the meta data semantics to the graph
$root = \Request::root();
$root .= '/';
$base_uri = $root . 'all';
$identifier = str_replace($root, '', $base_uri);
$graph->addResource($base_uri . '#dataset', 'a', 'void:Dataset');
$graph->addResource($base_uri . '#dataset', 'a', 'hydra:Collection');
$resource = $graph->resource($base_uri);
$subject_temp_mapping = $graph->newBNode();
$subject_temp_mapping->addResource('a', 'hydra:IriTemplateMapping');
$subject_temp_mapping->addLiteral('hydra:variable', 'subject');
$subject_temp_mapping->addResource('hydra:property', 'rdf:subject');
$predicate_temp_mapping = $graph->newBNode();
$predicate_temp_mapping->addResource('a', 'hydra:IriTemplateMapping');
$predicate_temp_mapping->addLiteral('hydra:variable', 'predicate');
$predicate_temp_mapping->addResource('hydra:property', 'rdf:predicate');
$object_temp_mapping = $graph->newBNode();
$object_temp_mapping->addResource('a', 'hydra:IriTemplateMapping');
$object_temp_mapping->addLiteral('hydra:variable', 'object');
$object_temp_mapping->addResource('hydra:property', 'rdf:object');
$iri_template = $graph->newBNode();
$iri_template->addResource('a', 'hydra:IriTemplate');
$iri_template->addLiteral('hydra:template', $root . 'all' . '{?subject,predicate,object}');
$iri_template->addResource('hydra:mapping', $subject_temp_mapping);
$iri_template->addResource('hydra:mapping', $predicate_temp_mapping);
$iri_template->addResource('hydra:mapping', $object_temp_mapping);
// Add the template to the requested URI resource in the graph
$graph->addResource($base_uri . '#dataset', 'hydra:search', $iri_template);
$is_deferenced = false;
if (strtolower(\Request::segment(1)) != 'all') {
$full_url = \Request::root() . '/' . \Request::path();
$is_deferenced = true;
} else {
$full_url = $base_uri . '?';
}
$template_url = $full_url;
$templates = array('subject', 'predicate', 'object');
$has_param = false;
$query_string = $_SERVER['QUERY_STRING'];
$query_parts = explode('&', $query_string);
foreach ($query_parts as $part) {
if (!empty($part)) {
$couple = explode('=', $part);
if (strtolower($couple[0]) == 'subject') {
$template_url .= $couple[0] . '=' . $couple[1] . '&';
$has_param = true;
}
if (strtolower($couple[0]) == 'predicate') {
$template_url .= $couple[0] . '=' . $couple[1] . '&';
$has_param = true;
}
if (strtolower($couple[0]) == 'object') {
$template_url .= $couple[0] . '=' . $couple[1] . '&';
$has_param = true;
}
$full_url .= $couple[0] . '=' . $couple[1] . '&';
}
}
$full_url = rtrim($full_url, '?');
$full_url = rtrim($full_url, '&');
$template_url = rtrim($template_url, '?');
$template_url = rtrim($template_url, '&');
$full_url = str_replace('#', '%23', $full_url);
$template_url = str_replace('#', '%23', $template_url);
if ($is_deferenced) {
$full_url .= '#dataset';
}
// Add paging information
$graph->addLiteral($full_url, 'hydra:totalItems', \EasyRdf_Literal::create($count, null, 'xsd:integer'));
$graph->addLiteral($full_url, 'void:triples', \EasyRdf_Literal::create($count, null, 'xsd:integer'));
$graph->addLiteral($full_url, 'hydra:itemsPerPage', \EasyRdf_Literal::create($limit, null, 'xsd:integer'));
$graph->addResource($full_url, 'void:subset', \Request::root() . '/all#dataset');
$paging_info = $this->getPagingInfo($limit, $offset, $count);
foreach ($paging_info as $key => $info) {
switch ($key) {
case 'next':
if ($has_param) {
$glue = '&';
} else {
$glue = '?';
}
$graph->addResource($full_url, 'hydra:nextPage', $template_url . $glue . 'limit=' . $info['limit'] . '&offset=' . $info['offset']);
break;
case 'previous':
if ($has_param) {
$glue = '&';
} else {
$glue = '?';
}
$graph->addResource($full_url, 'hydra:previousPage', $template_url . $glue . 'limit=' . $info['limit'] . '&offset=' . $info['offset']);
break;
case 'last':
if ($has_param) {
$glue = '&';
} else {
$glue = '?';
}
$graph->addResource($full_url, 'hydra:lastPage', $template_url . $glue . 'limit=' . $info['limit'] . '&offset=' . $info['offset']);
break;
case 'first':
if ($has_param) {
$glue = '&';
} else {
$glue = '?';
}
$graph->addResource($full_url, 'hydra:firstPage', $template_url . $glue . 'limit=' . $info['limit'] . '&offset=' . $info['offset']);
break;
}
}
// Tell the agent that it's a subset
$graph->addResource($root . 'all#dataset', 'void:subset', $full_url);
return $graph;
}
public function testSerialiseUnshortenableDatatype()
{
$joe = $this->graph->resource('http://example.com/joe#me');
$joe->set('foaf:foo', EasyRdf_Literal::create('foobar', null, 'http://example.com/datatype/'));
$turtle = $this->serialiser->serialise($this->graph, 'turtle');
$this->assertSame("@prefix foaf: <http://xmlns.com/foaf/0.1/> .\n\n" . "<http://example.com/joe#me> foaf:foo \"foobar\"^^<http://example.com/datatype/> .\n", $turtle);
}
/** Constructor for creating a new hexadecimal encoded binary blob
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:hexBinary')
* @return object EasyRdf_Literal_HexBinary
*/
public function __construct($value, $lang = null, $datatype = null)
{
parent::__construct($value, null, 'xsd:hexBinary');
}
/** Create a new EasyRdf_Resource or EasyRdf_Literal depending
* on the type of data passed in.
*
* @ignore
*/
protected function _newTerm($data)
{
switch ($data['type']) {
case 'bnode':
return new EasyRdf_Resource('_:' . $data['value']);
case 'uri':
return new EasyRdf_Resource($data['value']);
case 'literal':
case 'typed-literal':
return EasyRdf_Literal::create($data);
default:
throw new EasyRdf_Exception("Failed to parse SPARQL Query Results format, unknown term type: " . $data['type']);
}
}
public function testDeleteDatatypeMappingNonString()
{
$this->setExpectedException('InvalidArgumentException', '$datatype should be a string and cannot be null or empty');
EasyRdf_Literal::deleteDatatypeMapping(array());
}
/** Magic method to return the value of a literal as a string
*
* @return string The value of the literal
*/
public function __toString()
{
return isset($this->value) ? $this->value : '';
}
/** Return pretty-print view of the literal
*
* @param string $format Either 'html' or 'text'
* @param string $color The colour of the text
* @return string
*/
public function dumpValue($format = 'html', $color = 'black')
{
return EasyRdf_Utils::dumpLiteralValue($this, $format, $color);
}
}
/*
Register default set of datatype classes
*/
EasyRdf_Literal::setDatatypeMapping('xsd:boolean', 'EasyRdf_Literal_Boolean');
EasyRdf_Literal::setDatatypeMapping('xsd:date', 'EasyRdf_Literal_Date');
EasyRdf_Literal::setDatatypeMapping('xsd:dateTime', 'EasyRdf_Literal_DateTime');
EasyRdf_Literal::setDatatypeMapping('xsd:decimal', 'EasyRdf_Literal_Decimal');
EasyRdf_Literal::setDatatypeMapping('xsd:hexBinary', 'EasyRdf_Literal_HexBinary');
EasyRdf_Literal::setDatatypeMapping('rdf:HTML', 'EasyRdf_Literal_HTML');
EasyRdf_Literal::setDatatypeMapping('xsd:integer', 'EasyRdf_Literal_Integer');
EasyRdf_Literal::setDatatypeMapping('rdf:XMLLiteral', 'EasyRdf_Literal_XML');
/** Add a literal value as a property of a resource
*
* The resource can either be a resource or the URI of a resource.
* The value can either be a single value or an array of values.
*
* Example:
* $graph->add("http://www.example.com", 'dc:title', 'Title of Page');
*
* @param mixed $resource The resource to add data to
* @param mixed $property The property name
* @param mixed $value The value or values for the property
* @param string $lang The language of the literal
*/
public function addLiteral($resource, $property, $value, $lang = null)
{
$this->checkResourceParam($resource);
$this->checkPropertyParam($property, $inverse);
if (is_array($value)) {
foreach ($value as $v) {
$this->addLiteral($resource, $property, $v, $lang);
}
return;
} else {
if ($lang) {
$value = array('type' => 'literal', 'value' => $value, 'lang' => $lang);
} else {
$value = array('type' => 'literal', 'value' => $value, 'datatype' => EasyRdf_Literal::getDatatypeForValue($value));
if (empty($value['datatype'])) {
unset($value['datatype']);
}
}
}
return $this->add($resource, $property, $value);
}
public function testDumpLiterals()
{
$graph = new EasyRdf_Graph();
$graph->add('http://example.com/joe#me', 'foaf:name', 'Joe');
$graph->add('http://example.com/joe#me', 'foaf:age', EasyRdf_Literal::create(52));
$deutschland = new EasyRdf_Literal('Deutschland', 'de');
$graph->add('http://example.com/joe#me', 'foaf:birthPlace', $deutschland);
$text = $graph->dump(false);
$this->assertContains('http://example.com/joe#me', $text);
$this->assertContains('-> foaf:name -> "Joe"', $text);
$this->assertContains('-> foaf:age -> "52"^^xsd:integer', $text);
$this->assertContains('-> foaf:birthPlace -> "Deutschland"@de', $text);
$html = $graph->dump(true);
$this->assertContains('http://example.com/joe#me', $html);
$this->assertContains('>foaf:name</span>', $html);
$this->assertContains('>"Joe"</span>', $html);
$this->assertContains('>foaf:age</span>', $html);
$this->assertContains('>"52"^^xsd:integer</span>', $html);
$this->assertContains('>foaf:birthPlace</span>', $html);
$this->assertContains('>"Deutschland"@de</span>', $html);
}
/** Constructor for creating a new decimal literal
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:decimal')
* @return object EasyRdf_Literal_Decimal
*/
public function __construct($value, $lang = null, $datatype = null)
{
parent::__construct($value, null, $datatype);
}
public function testSerialiseRdfXmlWithXMLLiteral()
{
$this->graph->add('http://www.example.com/joe#me', 'foaf:bio', EasyRdf_Literal::create("<b>html</b>", null, 'rdf:XMLLiteral'));
$xml = $this->serialiser->serialise($this->graph, 'rdfxml');
$this->assertContains("<foaf:bio rdf:parseType=\"Literal\"><b>html</b></foaf:bio>", $xml);
}
/** Add a literal value as a property of a resource
*
* The resource can either be a resource or the URI of a resource.
* The value can either be a single value or an array of values.
*
* Example:
* $graph->add("http://www.example.com", 'dc:title', 'Title of Page');
*
* @param mixed $resource The resource to add data to
* @param mixed $property The property name
* @param mixed $value The value or values for the property
* @param string $lang The language of the literal
* @return integer The number of values added
*/
public function addLiteral($resource, $property, $value, $lang = null)
{
$this->checkResourceParam($resource);
$this->checkSinglePropertyParam($property, $inverse);
if (is_array($value)) {
$added = 0;
foreach ($value as $v) {
$added += $this->addLiteral($resource, $property, $v, $lang);
}
return $added;
} elseif (!is_object($value) or !$value instanceof EasyRdf_Literal) {
$value = EasyRdf_Literal::create($value, $lang);
}
return $this->add($resource, $property, $value);
}
public function testDumpValueWithDatatype()
{
$literal = new EasyRdf_Literal(1, null, 'xsd:integer');
$this->assertEquals('"1"^^xsd:integer', $literal->dumpValue(false));
$this->assertEquals("<span style='color:blue'>"1"^^xsd:integer</span>", $literal->dumpValue(true));
}