/*
* rasqal_world_register_query_result_format_factory:
* @world: rasqal world
* @register_factory: pointer to function to call to register the factory
*
* INTERNAL - Register a query result format via a factory.
*
* All strings set in the @factory method are shared with the
* #rasqal_query_result_format_factory
*
* Return value: new factory object or NULL on failure
**/
rasqal_query_results_format_factory*
rasqal_world_register_query_results_format_factory(rasqal_world* world,
int (*register_factory)(rasqal_query_results_format_factory*))
{
rasqal_query_results_format_factory *factory = NULL;
factory = RASQAL_CALLOC(rasqal_query_results_format_factory*, 1,
sizeof(*factory));
if(!factory)
return NULL;
factory->world = world;
if(raptor_sequence_push(world->query_results_formats, factory))
return NULL; /* on error, factory is already freed by the sequence */
/* Call the factory registration function on the new object */
if(register_factory(factory))
/* factory is owned and freed by the query_results_formats sequence */
return NULL;
factory->desc.flags = 0;
if(factory->get_rowsource)
factory->desc.flags |= RASQAL_QUERY_RESULTS_FORMAT_FLAG_READER;
if(factory->write)
factory->desc.flags |= RASQAL_QUERY_RESULTS_FORMAT_FLAG_WRITER;
if(raptor_syntax_description_validate(&factory->desc)) {
rasqal_log_error_simple(world, RAPTOR_LOG_LEVEL_ERROR, NULL,
"Result query result format description failed to validate\n");
goto tidy;
}
#if defined(RASQAL_DEBUG) && RASQAL_DEBUG > 1
RASQAL_DEBUG3("Registered query result format %s with context size %d\n",
factory->desc.names[0], factory->context_length);
#endif
return factory;
/* Clean up on failure */
tidy:
rasqal_free_query_results_format_factory(factory);
return NULL;
}
/*
* rasqal_query_language_register_factory:
* @factory: pointer to function to call to register the factory
*
* INTERNAL - Register a query language syntax handled by a query factory
*
* Return value: new factory or NULL on failure
**/
RASQAL_EXTERN_C
rasqal_query_language_factory*
rasqal_query_language_register_factory(rasqal_world *world,
int (*factory) (rasqal_query_language_factory*))
{
rasqal_query_language_factory *query = NULL;
query = (rasqal_query_language_factory*)RASQAL_CALLOC(rasqal_query_language_factory, 1,
sizeof(*query));
if(!query)
goto tidy;
query->world = world;
if(raptor_sequence_push(world->query_languages, query))
return NULL; /* on error, query is already freed by the sequence */
/* Call the query registration function on the new object */
if(factory(query))
return NULL; /* query is owned and freed by the query_languages sequence */
if(raptor_syntax_description_validate(&query->desc)) {
rasqal_log_error_simple(world, RAPTOR_LOG_LEVEL_ERROR, NULL,
"Query language format description failed to validate\n");
goto tidy;
}
#if defined(RASQAL_DEBUG) && RASQAL_DEBUG > 1
RASQAL_DEBUG3("Registered query language %s with context size %d\n",
query->names[0], query->context_length);
#endif
return query;
/* Clean up on failure */
tidy:
if(query)
rasqal_free_query_language_factory(query);
return NULL;
}
/*
* raptor_serializer_register_factory:
* @world: raptor_world object
* @name: the short syntax name
* @label: readable label for syntax
* @mime_type: MIME type of the syntax generated by the serializer (or NULL)
* @uri_string: URI string of the syntax (or NULL)
* @factory: pointer to function to call to register the factory
*
* INTERNAL - Register a syntax that can be generated by a serializer factory
*
* Return value: non-0 on failure
**/
RAPTOR_EXTERN_C
raptor_serializer_factory*
raptor_serializer_register_factory(raptor_world* world,
int (*factory) (raptor_serializer_factory*))
{
raptor_serializer_factory *serializer;
serializer = RAPTOR_CALLOC(raptor_serializer_factory*, 1, sizeof(*serializer));
if(!serializer)
return NULL;
serializer->world = world;
serializer->desc.mime_types = NULL;
if(raptor_sequence_push(world->serializers, serializer))
return NULL; /* on error, serializer is already freed by the sequence */
/* Call the serializer registration function on the new object */
if(factory(serializer))
return NULL; /* serializer is owned and freed by the serializers sequence */
if(raptor_syntax_description_validate(&serializer->desc)) {
raptor_log_error(world, RAPTOR_LOG_LEVEL_ERROR, NULL,
"Serializer description failed to validate\n");
goto tidy;
}
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG2("Registered serializer %s\n", serializer->desc.names[0]);
#endif
return serializer;
/* Clean up on failure */
tidy:
raptor_free_serializer_factory(serializer);
return NULL;
}
