diff options
Diffstat (limited to 'src/world.c')
| -rw-r--r-- | src/world.c | 79 |
1 files changed, 70 insertions, 9 deletions
diff --git a/src/world.c b/src/world.c index 7a51a3b..d5af0fe 100644 --- a/src/world.c +++ b/src/world.c @@ -45,6 +45,9 @@ lilv_world_new(void) world->specs = NULL; world->plugin_classes = lilv_plugin_classes_new(); world->plugins = lilv_plugins_new(); + world->loaded_files = zix_tree_new( + false, lilv_resource_node_cmp, NULL, (ZixDestroyFunc)lilv_node_free); + #define NS_DYNMAN "http://lv2plug.in/ns/ext/dynmanifest#" #define NS_DCTERMS "http://purl.org/dc/terms/" @@ -77,6 +80,7 @@ lilv_world_new(void) world->xsd_integer_node = NEW_URI(LILV_NS_XSD "integer"); world->doap_name_val = NEW_URI_VAL(LILV_NS_DOAP "name"); + world->lv2_applies_to_val = NEW_URI_VAL(LILV_NS_LV2 "appliesTo"); world->lv2_extensionData_val = NEW_URI_VAL(LILV_NS_LV2 "extensionData"); world->lv2_name_val = NEW_URI_VAL(LILV_NS_LV2 "name"); world->lv2_optionalFeature_val = NEW_URI_VAL(LILV_NS_LV2 "optionalFeature"); @@ -132,6 +136,7 @@ lilv_world_free(LilvWorld* world) sord_node_free(world->world, world->xsd_double_node); sord_node_free(world->world, world->xsd_integer_node); lilv_node_free(world->doap_name_val); + lilv_node_free(world->lv2_applies_to_val); lilv_node_free(world->lv2_extensionData_val); lilv_node_free(world->lv2_name_val); lilv_node_free(world->lv2_optionalFeature_val); @@ -154,6 +159,9 @@ lilv_world_free(LilvWorld* world) zix_tree_free(world->plugins); world->plugins = NULL; + zix_tree_free(world->loaded_files); + world->loaded_files = NULL; + zix_tree_free(world->plugin_classes); world->plugin_classes = NULL; @@ -205,7 +213,7 @@ lilv_world_find_nodes(LilvWorld* world, const LilvNode* predicate, const LilvNode* object) { - if (!lilv_node_is_uri(subject) && !lilv_node_is_blank(subject)) { + if (subject && !lilv_node_is_uri(subject) && !lilv_node_is_blank(subject)) { LILV_ERRORF("Subject `%s' is not a resource\n", subject->str_val); return NULL; } @@ -213,18 +221,24 @@ lilv_world_find_nodes(LilvWorld* world, LILV_ERRORF("Predicate `%s' is not a URI\n", predicate->str_val); return NULL; } + if (!subject && !object) { + LILV_ERROR("Both subject and object are NULL\n"); + return NULL; + } - SordNode* subject_node = (lilv_node_is_uri(subject)) + SordNode* const subject_node = subject ? sord_node_copy(subject->val.uri_val) - : sord_new_blank(world->world, - (const uint8_t*)lilv_node_as_blank(subject)); + : NULL; + + SordNode* const object_node = object + ? sord_node_copy(object->val.uri_val) + : NULL; - LilvNodes* ret = lilv_world_query_values_internal(world, - subject_node, - predicate->val.uri_val, - NULL); + LilvNodes* ret = lilv_world_query_values_internal( + world, subject_node, predicate->val.uri_val, object_node); sord_node_free(world->world, subject_node); + sord_node_free(world->world, object_node); return ret; } @@ -246,7 +260,8 @@ lilv_world_query_values_internal(LilvWorld* world, { return lilv_nodes_from_stream_objects( world, - lilv_world_query_internal(world, subject, predicate, object)); + lilv_world_query_internal(world, subject, predicate, object), + (object == NULL)); } static SerdNode @@ -805,6 +820,52 @@ lilv_world_load_all(LilvWorld* world) } LILV_API +int +lilv_world_load_resource(LilvWorld* world, + const LilvNode* resource) +{ + if (!lilv_node_is_uri(resource) && !lilv_node_is_blank(resource)) { + LILV_ERRORF("Node `%s' is not a resource\n", resource->str_val); + return -1; + } + + int n_read = 0; + SordIter* files = lilv_world_find_statements(world, world->model, + resource->val.uri_val, + world->rdfs_seealso_node, + NULL, NULL); + FOREACH_MATCH(files) { + const SordNode* file = lilv_match_object(files); + const uint8_t* str = sord_node_get_string(file); + LilvNode* file_node = lilv_node_new_from_node(world, file); + ZixTreeIter* iter; + if (zix_tree_find(world->loaded_files, file, &iter)) { + if (sord_node_get_type(file) == SORD_URI) { + const SerdNode* base = sord_node_to_serd_node(file); + SerdEnv* env = serd_env_new(base); + SerdReader* reader = sord_new_reader( + world->model, env, SERD_TURTLE, (SordNode*)file); + if (!serd_reader_read_file(reader, str)) { + ++n_read; + zix_tree_insert(world->loaded_files, file_node, NULL); + file_node = NULL; // prevent deletion... + } else { + LILV_ERRORF("Error loading resource `%s'\n", str); + } + serd_reader_free(reader); + serd_env_free(env); + } else { + LILV_ERRORF("rdfs:seeAlso node `%s' is not a URI\n", str); + } + } + lilv_node_free(file_node); // ...here + } + lilv_match_end(files); + + return n_read; +} + +LILV_API const LilvPluginClass* lilv_world_get_plugin_class(const LilvWorld* world) { |