friendica/php-json-ld
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Drop duplicates when creating node maps.

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This commit is contained in:
Dave Longley 2013-02-15 12:16:26 -05:00
commit e5f1e28ada
2 changed files with 128 additions and 38 deletions
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31
jsonld.php
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@ -162,6 +162,16 @@ function jsonld_to_rdf($input, $options=array()) {
return $p->toRDF($input, $options);
}
/**
* Relabels all blank nodes in the given JSON-LD input.
*
* @param mixed input the JSON-LD input.
*/
function jsonld_relabel_blank_nodes($input) {
$p = new JsonLdProcessor();
return $p->_labelBlankNodes(new UniqueNamer('_:b'), $input);
}
/** JSON-LD shared in-memory cache. */
global $jsonld_cache;
$jsonld_cache = new stdClass();
@ -1905,7 +1915,8 @@ class JsonLdProcessor {
// add copy of value for each property from property generator
if(is_array($expanded_property)) {
$this->_labelBlankNodes($active_ctx->namer, $expanded_value);
$expanded_value = $this->_labelBlankNodes(
$active_ctx->namer, $expanded_value);
foreach($expanded_property as $iri) {
self::addValue(
$rval, $iri, self::copy($expanded_value),
@ -2043,11 +2054,13 @@ class JsonLdProcessor {
$this->_createNodeMap($input, $graphs, '@default', $namer);
// add all non-default graphs to default graph
$default_graph = $graphs->{'@default'};
foreach($graphs as $graph_name => $node_map) {
$default_graph = $graphs->{'@default'};
$graph_names = array_keys((array)$graphs);
foreach($graph_names as $graph_name) {
if($graph_name === '@default') {
continue;
}
}
$node_map = $graphs->{$graph_name};
if(!property_exists($default_graph, $graph_name)) {
$default_graph->{$graph_name} = (object)array(
'@id' => $graph_name, '@graph' => array());
@ -2706,7 +2719,7 @@ class JsonLdProcessor {
*
* @return mixed the element.
*/
protected function _labelBlankNodes($namer, $element) {
public function _labelBlankNodes($namer, $element) {
if(is_array($element)) {
$length = count($element);
for($i = 0; $i < $length; ++$i) {
@ -3018,7 +3031,7 @@ class JsonLdProcessor {
// add reference and recurse
self::addValue(
$subject, $property, (object)array('@id' => $id),
array('propertyIsArray' => true));
array('propertyIsArray' => true, 'allowDuplicate' => false));
$this->_createNodeMap($o, $graphs, $graph, $namer, $id, null);
}
// handle $list
@ -3028,13 +3041,15 @@ class JsonLdProcessor {
$o->{'@list'}, $graphs, $graph, $namer, $name, $_list);
$o = (object)array('@list' => (array)$_list);
self::addValue(
$subject, $property, $o, array('propertyIsArray' => true));
$subject, $property, $o,
array('propertyIsArray' => true, 'allowDuplicate' => false));
}
// handle @value
else {
$this->_createNodeMap($o, $graphs, $graph, $namer, $name, null);
self::addValue(
$subject, $property, $o, array('propertyIsArray' => true));
$subject, $property, $o,
array('propertyIsArray' => true, 'allowDuplicate' => false));
}
}
}