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Ensure named graph blank node IDs are relabeled.

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This commit is contained in:
Dave Longley 2013-02-15 14:04:29 -05:00
parent fbfb6c9fcb
commit bea64fee03
1 changed files with 13 additions and 10 deletions
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23
jsonld.php
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@ -1346,7 +1346,7 @@ class JsonLdProcessor {
* Converts an RDF statement to an N-Quad string (a single quad).
*
* @param stdClass $statement the RDF statement to convert.
* @param string $bnode the bnode the staetment is mapped to (optional, for
* @param string $bnode the bnode the statement is mapped to (optional, for
* use during normalization only).
*
* @return the N-Quad string.
@ -1409,11 +1409,11 @@ class JsonLdProcessor {
if($g->interfaceName === 'IRI') {
$quad .= " <{$g->nominalValue}>";
}
else if(bnode) {
$quad += ' _:g';
else if($bnode) {
$quad .= ' _:g';
}
else {
$quad += " {$g->nominalValue}";
$quad .= " {$g->nominalValue}";
}
}
@ -2013,7 +2013,7 @@ class JsonLdProcessor {
else {
// drop subjects that generate no triples
$has_triples = false;
$ignore = array('@graph', '@type', '@list');
$ignore = array('@graph', '@type');
foreach($keys as $key) {
if(!self::_isKeyword($key) || in_array($key, $ignore)) {
$has_triples = true;
@ -2132,9 +2132,10 @@ class JsonLdProcessor {
$namer = new UniqueNamer('_:t');
$this->_toRDF($input, $namer, null, null, null, $statements);
foreach($statements as $statement) {
foreach(array('subject', 'object') as $node) {
$id = $statement->{$node}->nominalValue;
if($statement->{$node}->interfaceName === 'BlankNode') {
foreach(array('subject', 'object', 'name') as $node) {
if(property_exists($statement, $node) &&
$statement->{$node}->interfaceName === 'BlankNode') {
$id = $statement->{$node}->nominalValue;
if(property_exists($bnodes, $id)) {
$bnodes->{$id}->statements[] = $statement;
}
@ -2224,8 +2225,10 @@ class JsonLdProcessor {
// update bnode names in each statement and serialize
foreach($statements as $statement) {
foreach(array('subject', 'object') as $node) {
if($statement->{$node}->interfaceName === 'BlankNode') {
foreach(array('subject', 'object', 'name') as $node) {
if(property_exists($statement, $node) &&
$statement->{$node}->interfaceName === 'BlankNode' &&
strpos($statement->{$node}->nominalValue, '_:c14n') !== 0) {
$statement->{$node}->nominalValue = $namer->getName(
$statement->{$node}->nominalValue);
}