Allow null @id mappings, use null mapping in compact IRI.

This commit is contained in:
Dave Longley 2012-04-27 17:28:51 -04:00
parent 2135f34a72
commit 7941387631

View file

@ -839,8 +839,7 @@ class JsonLdProcessor {
if(self::_isSubjectReference($element)) {
$type = self::getContextValue($ctx, $property, '@type');
if($type === '@id' || $property === '@graph') {
$element = $this->_compactIri($ctx, $element->{'@id'});
return $element;
return $this->_compactIri($ctx, $element->{'@id'});
}
}
@ -874,7 +873,9 @@ class JsonLdProcessor {
// preserve empty arrays
if(count($value) === 0) {
$prop = $this->_compactIri($ctx, $key);
self::addValue($rval, $prop, array(), true);
if($prop !== null) {
self::addValue($rval, $prop, array(), true);
}
}
// recusively process array values
@ -884,6 +885,11 @@ class JsonLdProcessor {
// compact property
$prop = $this->_compactIri($ctx, $key, $v);
// skip null properties
if($prop === null) {
continue;
}
// remove @list for recursion (will be re-added if necessary)
if($is_list) {
$v = $v->{'@list'};
@ -2527,8 +2533,14 @@ class JsonLdProcessor {
}
}
// no matching terms, use IRI
// no matching terms
if(count($terms) === 0) {
// return null if a null mapping exists
if(property_exists($ctx->mappings, $iri) &&
$ctx->mappings->{$iri}->{'@id'} === null) {
return null;
}
// use iri
return $iri;
}
@ -2613,8 +2625,8 @@ class JsonLdProcessor {
array_splice($active_ctx->keywords->{$kw},
in_array($key, $active_ctx->keywords->{$kw}), 1);
}
unset($active_ctx->mappings->{$key});
}
$active_ctx->mappings->{$key} = (object)array('@id' => null);
$defined->{$key} = true;
return;
}
@ -2635,7 +2647,7 @@ class JsonLdProcessor {
array($this, '_compareShortestLeast'));
}
}
else {
else if($value !== null) {
// expand value to a full IRI
$value = $this->_expandContextIri(
$active_ctx, $ctx, $value, $base, $defined);
@ -2739,8 +2751,10 @@ class JsonLdProcessor {
$mapping->{'@language'} = $language;
}
// merge onto parent mapping if one exists for a prefix
if($prefix !== null && property_exists($active_ctx->mappings, $prefix)) {
// if not a null mapping, merge onto parent mapping if one exists for
// a prefix
if($mapping->{'@id'} !== null && $prefix !== null &&
property_exists($active_ctx->mappings, $prefix)) {
$child = $mapping;
$mapping = self::copy($active_ctx->mappings->{$prefix});
foreach($child as $k => $v) {
@ -2776,8 +2790,8 @@ class JsonLdProcessor {
// recurse if value is a term
if(property_exists($active_ctx->mappings, $value)) {
$id = $active_ctx->mappings->{$value}->{'@id'};
// value is already an absolute IRI
if($value === $id) {
// value is already an absolute IRI or id is a null mapping
if($value === $id || $id === null) {
return $value;
}
return $this->_expandContextIri($active_ctx, $ctx, $id, $base, $defined);
@ -2807,8 +2821,10 @@ class JsonLdProcessor {
// recurse if prefix is defined
if(property_exists($active_ctx->mappings, $prefix)) {
$id = $active_ctx->mappings->{$prefix}->{'@id'};
return $this->_expandContextIri(
$active_ctx, $ctx, $id, $base, $defined) . $suffix;
if($id !== null) {
return $this->_expandContextIri(
$active_ctx, $ctx, $id, $base, $defined) . $suffix;
}
}
// consider value an absolute IRI