void
statement_handler(void* user_data, raptor_statement* statement) {
typedef std::pair<turtle_input::triples_t*, raptor_uri*> user_data_t;
user_data_t* u_data = (user_data_t*)user_data;
turtle_input::triples_t* triples = u_data->first;
raptor_uri* base_uri = u_data->second;
raptor_term* subject = statement->subject;
raptor_term* predicate = statement->predicate;
raptor_term* object = statement->object;
unsigned char *subject_name_w, *object_name_w, *predicate_name_w;
switch (subject->type) {
case RAPTOR_TERM_TYPE_URI:
subject_name_w = raptor_uri_to_relative_uri_string(base_uri, subject->value.uri);
break;
case RAPTOR_TERM_TYPE_LITERAL:
subject_name_w = subject->value.literal.string;
break;
case RAPTOR_TERM_TYPE_BLANK:
subject_name_w = subject->value.blank.string;
break;
default:
break;
}
switch (object->type) {
case RAPTOR_TERM_TYPE_URI:
object_name_w = raptor_uri_to_relative_uri_string(base_uri, object->value.uri);
break;
case RAPTOR_TERM_TYPE_LITERAL:
object_name_w = object->value.literal.string;
break;
case RAPTOR_TERM_TYPE_BLANK:
object_name_w = object->value.blank.string;
break;
default:
break;
}
switch (predicate->type) {
case RAPTOR_TERM_TYPE_URI:
predicate_name_w = raptor_uri_to_relative_uri_string(base_uri, predicate->value.uri);
break;
case RAPTOR_TERM_TYPE_LITERAL:
predicate_name_w = predicate->value.literal.string;
break;
case RAPTOR_TERM_TYPE_BLANK:
predicate_name_w = predicate->value.blank.string;
break;
default:
break;
}
std::stringstream subject_sstr, object_sstr, predicate_sstr;
subject_sstr << subject_name_w;
object_sstr << object_name_w;
predicate_sstr << predicate_name_w;
std::string subject_name = subject_sstr.str();
std::string object_name = object_sstr.str();
std::string predicate_name = predicate_sstr.str();
if (triples->find(subject_name) == triples->end())
(*triples)[subject_name] = turtle_input::predicates_t();
(*triples)[subject_name][predicate_name] = object_name;
}
/*
* raptor_rdfxmla_emit_resource_uri:
* @serializer: #raptor_serializer object
* @element: XML Element
* @uri: URI object
* @depth: depth into tree
*
* Emit a description of a resource using an XML Element
*
* Return value: non-0 on failure
**/
static int
raptor_rdfxmla_emit_resource_uri(raptor_serializer *serializer,
raptor_xml_element *element,
raptor_uri* uri,
int depth)
{
raptor_rdfxmla_context* context = (raptor_rdfxmla_context*)serializer->context;
raptor_xml_writer *xml_writer = context->xml_writer;
raptor_qname **attrs;
unsigned char *attr_name;
unsigned char *attr_value;
RAPTOR_DEBUG2("Emitting resource predicate URI %s\n",
raptor_uri_as_string(uri));
attrs = RAPTOR_CALLOC(raptor_qname**, 1, sizeof(raptor_qname*));
if(!attrs)
return 1;
attr_name = (unsigned char *)"resource";
if(RAPTOR_OPTIONS_GET_NUMERIC(serializer, RAPTOR_OPTION_RELATIVE_URIS))
/* newly allocated string */
attr_value = raptor_uri_to_relative_uri_string(serializer->base_uri, uri);
else
attr_value = raptor_uri_as_string(uri);
attrs[0] = raptor_new_qname_from_namespace_local_name(serializer->world,
context->rdf_nspace,
attr_name,
attr_value);
if(RAPTOR_OPTIONS_GET_NUMERIC(serializer, RAPTOR_OPTION_RELATIVE_URIS))
RAPTOR_FREE(char*, attr_value);
if(!attrs[0]) {
RAPTOR_FREE(qnamearray, attrs);
return 1;
}
raptor_xml_element_set_attributes(element, attrs, 1);
raptor_xml_writer_start_element(xml_writer, element);
raptor_xml_writer_end_element(context->xml_writer, element);
RAPTOR_DEBUG2("Emitted resource predicate URI %s\n",
raptor_uri_as_string(uri));
return 0;
}
