void statement_in_tl(GSList ** list_, librdf_statement * statement)
{
GSList * list=*list_;
ssTriple_t * triple;
librdf_node* sub_node ;
librdf_node* pred_node;
librdf_node* obj_node ;
sub_node = librdf_statement_get_subject(statement);
pred_node = librdf_statement_get_predicate(statement);
obj_node = librdf_statement_get_object(statement);
triple =(ssTriple_t *) g_new0(ssTriple_t,1);
triple->subject= g_strdup(librdf_uri_as_string( librdf_node_get_uri(sub_node)));
triple->predicate = g_strdup(librdf_uri_as_string( librdf_node_get_uri(pred_node)));
if (librdf_node_is_literal(obj_node))
{ triple->object = g_strdup(librdf_node_get_literal_value(obj_node));
triple->objType = ssElement_TYPE_LIT;
}
else
{ triple->object = g_strdup(librdf_uri_as_string( librdf_node_get_uri(obj_node)));
triple->objType = ssElement_TYPE_URI;
}
//printf ("statement to TL %s_%s_%s_%d\n", (char *)triple->subject, (char *)triple->predicate, (char *)triple->object, (bool *)triple->objType);
list=g_slist_prepend(list, triple);
///////////////////////////////////////////////////////////
*list_=list;
}
RdfNode RdfStorePrivate::LibRdfNodeToRdfNode(librdf_node* node) const
{
RdfNode mitkNode;
if (!node) return mitkNode;
if (librdf_node_is_resource(node))
{
mitkNode.SetType(RdfNode::URI);
librdf_uri *uri = librdf_node_get_uri(node);
mitkNode.SetValue(LibRdfUriToRdfUri(uri).ToString());
}
else if (librdf_node_is_literal(node))
{
mitkNode.SetType(RdfNode::LITERAL);
std::string value = (const char*) librdf_node_get_literal_value(node);
if (!value.empty()) mitkNode.SetValue(value);
librdf_uri* typeUri = librdf_node_get_literal_value_datatype_uri(node);
if (typeUri) mitkNode.SetDatatype(LibRdfUriToRdfUri(typeUri));
}
else if (librdf_node_is_blank(node))
{
mitkNode.SetType(RdfNode::BLANK);
std::string str = (const char*) librdf_node_get_blank_identifier(node);
if (!str.empty()) mitkNode.SetValue(str);
}
return mitkNode;
}
void output_node(librdf_node* n)
{
if (librdf_node_is_literal(n)) {
std::cout << librdf_node_get_literal_value(n);
}
if (librdf_node_is_resource(n)) {
librdf_uri* uri = librdf_node_get_uri(n);
std::cout << librdf_uri_as_string(uri);
}
}
rasqal_literal*
redland_node_to_rasqal_literal(librdf_world* world, librdf_node *node)
{
rasqal_literal* l;
if(librdf_node_is_resource(node)) {
raptor_uri* uri=(raptor_uri*)librdf_new_uri_from_uri(librdf_node_get_uri(node));
l=rasqal_new_uri_literal(world->rasqal_world_ptr, uri); /* transfer uri ownership to literal */
} else if(librdf_node_is_literal(node)) {
unsigned char *string;
librdf_uri *uri;
unsigned char *new_string;
char *new_language=NULL;
raptor_uri *new_datatype=NULL;
size_t len;
string=librdf_node_get_literal_value_as_counted_string(node, &len);
new_string=(unsigned char*)rasqal_alloc_memory(len+1);
if(!new_string)
return NULL;
strcpy((char*)new_string, (const char*)string);
string=(unsigned char*)librdf_node_get_literal_value_language(node);
if(string) {
new_language=(char*)rasqal_alloc_memory(strlen((const char*)string)+1);
if(!new_language) {
rasqal_free_memory((void*)new_string);
return NULL;
}
strcpy((char*)new_language, (const char*)string);
}
uri=librdf_node_get_literal_value_datatype_uri(node);
if(uri)
new_datatype=(raptor_uri*)librdf_new_uri_from_uri(uri);
/* transfer new_string,new_language,new_datatype ownership to literal */
l = rasqal_new_string_literal(world->rasqal_world_ptr, (const unsigned char*)new_string, new_language, new_datatype, NULL);
} else {
unsigned char *blank=librdf_node_get_blank_identifier(node);
unsigned char *new_blank;
if(!blank)
return NULL;
new_blank=(unsigned char*)rasqal_alloc_memory(strlen((const char*)blank)+1);
if(!new_blank)
return NULL;
strcpy((char*)new_blank, (const char*)blank);
/* transfer new_blank ownership to literal */
l = rasqal_new_simple_literal(world->rasqal_world_ptr, RASQAL_LITERAL_BLANK, (const unsigned char*)new_blank);
}
return l;
}
/**
* librdf_storage_tstore_context_add_statement:
* @storage: #librdf_storage object
* @context_node: #librdf_node object
* @statement: #librdf_statement statement to add
*
* Add a statement to a storage context.
*
* Return value: non 0 on failure
**/
static int
librdf_storage_tstore_context_add_statement(librdf_storage* storage,
librdf_node* context_node,
librdf_statement* statement)
{
librdf_storage_tstore_instance* context=(librdf_storage_tstore_instance*)storage->instance;
librdf_node *subject_node=statement->subject;
librdf_node *predicate_node=statement->predicate;
librdf_node *object_node=statement->object;
char *subject;
char *predicate;
char *object;
rs_obj_type type;
if(librdf_node_is_blank(subject_node)) {
subject=(char*)librdf_node_get_blank_identifier(subject_node);
} else
subject=(char*)librdf_uri_as_string(librdf_node_get_uri(subject_node));
predicate=(char*)librdf_uri_as_string(librdf_node_get_uri(predicate_node));
/* Assumptions - FIXME */
if(librdf_node_is_literal(object_node)) {
object=(char*)librdf_node_get_literal_value(object_node);
type = ObjLiteral;
} else if(librdf_node_is_blank(object_node)) {
object=(char*)librdf_node_get_blank_identifier(object_node);
type = ObjURI;
} else {
object=(char*)librdf_uri_as_string(librdf_node_get_uri(object_node));
type = ObjURI;
}
if(rs_assert_triple(context->rdfsql, subject, predicate, object, type))
return 1;
return 0;
}
/* FIXME returns an alloced triple pointing to shared strings */
static rs_triple*
librdf_storage_tstore_statement_as_rs_triple(librdf_statement *statement)
{
librdf_node *subject_node=statement->subject;
librdf_node *predicate_node=statement->predicate;
librdf_node *object_node=statement->object;
rs_triple* triple=LIBRDF_MALLOC(rs_triple, sizeof(rs_triple));
if(subject_node) {
if(librdf_node_is_blank(subject_node))
triple->subject=(char*)librdf_node_get_blank_identifier(subject_node);
else
triple->subject=(char*)librdf_uri_as_string(librdf_node_get_uri(subject_node));
} else
triple->subject=NULL;
if(predicate_node)
triple->predicate=(char*)librdf_uri_as_string(librdf_node_get_uri(predicate_node));
else
triple->predicate=NULL;
/* Assumptions - FIXME */
triple->literal = 0;
if(object_node) {
if(librdf_node_is_literal(object_node)) {
triple->object=(char*)librdf_node_get_literal_value(object_node);
triple->literal = 1;
} else if(librdf_node_is_blank(object_node)) {
triple->object=(char*)librdf_node_get_blank_identifier(object_node);
} else {
triple->object=(char*)librdf_uri_as_string(librdf_node_get_uri(object_node));
}
} else
triple->object=NULL;
return triple;
}
UT_Error IE_Imp_OpenDocument::_handleRDFStreams ()
{
#ifndef WITH_REDLAND
return UT_OK;
#else
UT_Error error = UT_OK;
UT_DEBUGMSG(("IE_Imp_OpenDocument::_handleRDFStreams()\n"));
// // DEBUG.
// {
// PD_DocumentRDFHandle rdf = getDoc()->getDocumentRDF();
// PD_DocumentRDFMutationHandle m = rdf->createMutation();
// m->add( PD_URI("http://www.example.com/foo#bar" ),
// PD_URI("http://www.example.com/foo#bar" ),
// PD_Object("http://www.example.com/foo#bar" ) );
// m->commit();
// rdf->dumpModel("added foo");
// }
RDFArguments args;
librdf_model* model = args.model;
// check if we can load a manifest.rdf file
GsfInput* pRdfManifest = gsf_infile_child_by_name(m_pGsfInfile, "manifest.rdf");
if (pRdfManifest)
{
UT_DEBUGMSG(("IE_Imp_OpenDocument::_handleRDFStreams() have manifest.rdf\n"));
error = _loadRDFFromFile( pRdfManifest, "manifest.rdf", &args );
g_object_unref (G_OBJECT (pRdfManifest));
if (error != UT_OK)
return error;
}
// find other RDF/XML files referenced in the manifest
const char* query_string = ""
"prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> \n"
"prefix odf: <http://docs.oasis-open.org/opendocument/meta/package/odf#> \n"
"prefix odfcommon: <http://docs.oasis-open.org/opendocument/meta/package/common#> \n"
"select ?subj ?fileName \n"
" where { \n"
" ?subj rdf:type odf:MetaDataFile . \n"
" ?subj odfcommon:path ?fileName \n"
" } \n";
librdf_uri* base_uri = 0;
librdf_query* query = librdf_new_query( args.world, "sparql", 0,
(unsigned char*)query_string,
base_uri );
librdf_query_results* results = librdf_query_execute( query, model );
if( !results )
{
// Query failed is a failure to execute the SPARQL,
// in which case there might be results but we couldn't find them
UT_DEBUGMSG(("IE_Imp_OpenDocument::_handleRDFStreams() SPARQL query to find auxillary RDF/XML files failed! q:%p\n", query ));
error = UT_ERROR;
}
else
{
UT_DEBUGMSG(("IE_Imp_OpenDocument::_handleRDFStreams() aux RDF/XML file count:%d\n",
librdf_query_results_get_count( results )));
// parse auxillary RDF/XML files too
for( ; !librdf_query_results_finished( results ) ;
librdf_query_results_next( results ))
{
librdf_node* fnNode = librdf_query_results_get_binding_value_by_name
( results, "fileName" );
UT_DEBUGMSG(("_handleRDFStreams() fnNode:%p\n", fnNode ));
std::string fn = toString(fnNode);
UT_DEBUGMSG(("_handleRDFStreams() loading auxilary RDF/XML file from:%s\n",
fn.c_str()));
GsfInput* pAuxRDF = gsf_infile_child_by_name(m_pGsfInfile, fn.c_str());
if (pAuxRDF) {
error = _loadRDFFromFile( pAuxRDF, fn.c_str(), &args );
g_object_unref (G_OBJECT (pAuxRDF));
if( error != UT_OK )
break;
} else {
UT_ASSERT_HARMLESS(UT_SHOULD_NOT_HAPPEN);
return UT_ERROR;
}
}
librdf_free_query_results( results );
}
librdf_free_query( query );
UT_DEBUGMSG(("_handleRDFStreams() error:%d model.sz:%d\n",
error, librdf_model_size( model )));
if( error != UT_OK )
{
return error;
}
// convert the redland model into native AbiWord RDF triples
{
PD_DocumentRDFHandle rdf = getDoc()->getDocumentRDF();
PD_DocumentRDFMutationHandle m = rdf->createMutation();
librdf_statement* statement = librdf_new_statement( args.world );
librdf_stream* stream = librdf_model_find_statements( model, statement );
while (!librdf_stream_end(stream))
{
librdf_statement* current = librdf_stream_get_object( stream );
int objectType = PD_Object::OBJECT_TYPE_URI;
std::string xsdType = "";
if( librdf_node_is_blank( librdf_statement_get_object( current )))
{
objectType = PD_Object::OBJECT_TYPE_BNODE;
}
if( librdf_node_is_literal( librdf_statement_get_object( current )))
{
objectType = PD_Object::OBJECT_TYPE_LITERAL;
if( librdf_uri* u = librdf_node_get_literal_value_datatype_uri(
librdf_statement_get_object( current )))
{
xsdType = toString(u);
}
}
if( DEBUG_RDF_IO )
{
UT_DEBUGMSG(("_handleRDFStreams() adding s:%s p:%s o:%s rotv:%d otv:%d ots:%s\n",
toString( librdf_statement_get_subject( current )).c_str(),
toString( librdf_statement_get_predicate( current )).c_str(),
toString( librdf_statement_get_object( current )).c_str(),
librdf_node_get_type(librdf_statement_get_object( current )),
objectType,
xsdType.c_str()
));
}
m->add( PD_URI( toString( librdf_statement_get_subject( current ))),
PD_URI( toString( librdf_statement_get_predicate( current ))),
PD_Object( toString( librdf_statement_get_object( current )), objectType, xsdType ));
// m->add( PD_URI( toString( librdf_statement_get_subject( current ))),
// PD_URI( toString( librdf_statement_get_predicate( current ))),
// PD_Object( toString( librdf_statement_get_object( current )),
// objectType,
// xsdType ));
librdf_stream_next(stream);
}
librdf_free_stream( stream );
librdf_free_statement( statement );
// m->add( PD_URI("http://www.example.com/foo#bar" ),
// PD_URI("http://www.example.com/foo#bar" ),
// PD_Object("http://www.example.com/foo#bar" ) );
m->commit();
}
if( DEBUG_RDF_IO )
{
getDoc()->getDocumentRDF()->dumpModel("Loaded RDF from ODF file");
}
return error;
#endif
}
