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authorDavid Robillard <d@drobilla.net>2007-08-03 18:55:25 +0000
committerDavid Robillard <d@drobilla.net>2007-08-03 18:55:25 +0000
commit6b97e04546f22fc50e4293e8816933f20176dfab (patch)
tree494b504571b2f946b4d17ad362d4be66044e57d6 /src/world.c
parentc6843cb84ad81f3845700758505ed78ea401ed58 (diff)
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Updated LV2 revision number.
Fixed formatting in lv2.h. Better/terser comment for lv2:Specification in lv2.ttl. Implemented LV2 specification discovery. git-svn-id: http://svn.drobilla.net/lad/slv2@673 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/world.c')
-rw-r--r--src/world.c105
1 files changed, 100 insertions, 5 deletions
diff --git a/src/world.c b/src/world.c
index e2b3574..0c6ad77 100644
--- a/src/world.c
+++ b/src/world.c
@@ -65,6 +65,9 @@ slv2_world_new()
world->plugins = slv2_plugins_new();
+ world->lv2_specification_node = librdf_new_node_from_uri_string(world->world,
+ (unsigned char*)"http://lv2plug.in/ns/lv2core#Specification");
+
world->lv2_plugin_node = librdf_new_node_from_uri_string(world->world,
(unsigned char*)"http://lv2plug.in/ns/lv2core#Plugin");
@@ -117,6 +120,9 @@ slv2_world_new_using_rdf_world(librdf_world* rdf_world)
world->plugins = slv2_plugins_new();
+ world->lv2_specification_node = librdf_new_node_from_uri_string(world->world,
+ (unsigned char*)"http://lv2plug.in/ns/lv2core#Specification");
+
world->lv2_plugin_node = librdf_new_node_from_uri_string(rdf_world,
(unsigned char*)"http://lv2plug.in/ns/lv2core#Plugin");
@@ -142,6 +148,7 @@ slv2_world_free(SLV2World world)
if (world->rdf_lock)
world->rdf_lock(world->rdf_lock_data);
+ librdf_free_node(world->lv2_specification_node);
librdf_free_node(world->lv2_plugin_node);
librdf_free_node(world->rdf_a_node);
@@ -217,6 +224,22 @@ slv2_world_unlock_if_necessary(SLV2World world)
}
+/** Load the entire contents of a file into the world model.
+ */
+void
+slv2_world_load_file(SLV2World world, librdf_uri* file_uri)
+{
+ slv2_world_lock_if_necessary(world);
+
+ //printf("LOADING FILE: %s\n", librdf_uri_as_string(file_uri));
+
+ librdf_parser_parse_into_model(world->parser, file_uri, NULL, world->model);
+
+ slv2_world_unlock_if_necessary(world);
+}
+
+
+
void
slv2_world_load_bundle(SLV2World world, const char* bundle_uri_str)
{
@@ -247,7 +270,7 @@ slv2_world_load_bundle(SLV2World world, const char* bundle_uri_str)
librdf_node* plugin_node = librdf_new_node_from_node(librdf_statement_get_subject(s));
- /* Add ?plugin rdfs:seeAlso "datafile.ttl" */
+ /* Add ?plugin rdfs:seeAlso <manifest.ttl>*/
librdf_node* subject = plugin_node;
librdf_node* predicate = librdf_new_node_from_uri_string(world->world,
(unsigned char*)"http://www.w3.org/2000/01/rdf-schema#seeAlso");
@@ -256,7 +279,7 @@ slv2_world_load_bundle(SLV2World world, const char* bundle_uri_str)
librdf_model_add(world->model, subject, predicate, object);
- /* Add ?plugin slv2:bundleURI "file://some/path" */
+ /* Add ?plugin slv2:bundleURI <file://some/path> */
subject = librdf_new_node_from_node(plugin_node);
predicate = librdf_new_node_from_uri_string(world->world,
(unsigned char*)"http://drobilla.net/ns/slv2#bundleURI");
@@ -269,6 +292,41 @@ slv2_world_load_bundle(SLV2World world, const char* bundle_uri_str)
librdf_free_stream(results);
+ /* Query statement: ?specification a lv2:Specification */
+ q = librdf_new_statement_from_nodes(world->world,
+ NULL, world->rdf_a_node, world->lv2_specification_node);
+
+ results = librdf_model_find_statements(manifest_model, q);
+
+ while (!librdf_stream_end(results)) {
+ librdf_statement* s = librdf_stream_get_object(results);
+
+ librdf_node* spec_node = librdf_new_node_from_node(librdf_statement_get_subject(s));
+
+ /* Add ?specification rdfs:seeAlso <manifest.ttl> */
+ librdf_node* subject = spec_node;
+ librdf_node* predicate = librdf_new_node_from_uri_string(world->world,
+ (unsigned char*)"http://www.w3.org/2000/01/rdf-schema#seeAlso");
+ librdf_node* object = librdf_new_node_from_uri(world->world,
+ manifest_uri);
+
+ //printf("SPEC: %s\n", librdf_uri_as_string(librdf_node_get_uri(subject)));
+
+ librdf_model_add(world->model, subject, predicate, object);
+
+ /* Add ?specification slv2:bundleURI <file://some/path> */
+ subject = librdf_new_node_from_node(spec_node);
+ predicate = librdf_new_node_from_uri_string(world->world,
+ (unsigned char*)"http://drobilla.net/ns/slv2#bundleURI");
+ object = librdf_new_node_from_uri(world->world, bundle_uri);
+
+ librdf_model_add(world->model, subject, predicate, object);
+
+ librdf_stream_next(results);
+ }
+
+ librdf_free_stream(results);
+
/* Join the temporary model to the main model */
librdf_stream* manifest_stream = librdf_model_as_stream(manifest_model);
librdf_model_add_statements(world->model, manifest_stream);
@@ -351,6 +409,41 @@ slv2_plugin_compare_by_uri(const void* a, const void* b)
}
*/
+void
+slv2_world_load_specifications(SLV2World world)
+{
+ unsigned char* query_string = (unsigned char*)
+ "PREFIX : <http://lv2plug.in/ns/lv2core#>\n"
+ "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n"
+ "SELECT DISTINCT ?spec ?data WHERE {\n"
+ " ?spec a :Specification ;\n"
+ " rdfs:seeAlso ?data .\n"
+ "}\n";
+
+ librdf_query* q = librdf_new_query(world->world, "sparql", NULL, query_string, NULL);
+
+ librdf_query_results* results = librdf_query_execute(q, world->model);
+
+ while (!librdf_query_results_finished(results)) {
+ librdf_node* spec_node = librdf_query_results_get_binding_value(results, 0);
+ librdf_uri* spec_uri = librdf_node_get_uri(spec_node);
+ librdf_node* data_node = librdf_query_results_get_binding_value(results, 1);
+ librdf_uri* data_uri = librdf_node_get_uri(data_node);
+
+ //printf("SPEC: %s / %s\n", librdf_uri_as_string(spec_uri), librdf_uri_as_string(data_uri));
+
+ slv2_world_load_file(world, data_uri);
+
+ librdf_free_node(spec_node);
+ librdf_free_node(data_node);
+
+ librdf_query_results_next(results);
+ }
+
+ librdf_free_query_results(results);
+ librdf_free_query(q);
+}
+
void
slv2_world_load_plugin_classes(SLV2World world)
@@ -364,8 +457,8 @@ slv2_world_load_plugin_classes(SLV2World world)
"PREFIX : <http://lv2plug.in/ns/lv2core#>\n"
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n"
"SELECT DISTINCT ?class ?parent ?label WHERE {\n"
- //" ?plugin a :Plugin; a ?class .\n"
- " ?class a rdfs:Class; rdfs:subClassOf ?parent; rdfs:label ?label\n"
+ //" ?plugin a ?class .\n"
+ " ?class a :Class; rdfs:subClassOf ?parent; rdfs:label ?label\n"
"} ORDER BY ?class\n";
librdf_query* q = librdf_new_query(world->world, "sparql",
@@ -381,7 +474,7 @@ slv2_world_load_plugin_classes(SLV2World world)
librdf_node* label_node = librdf_query_results_get_binding_value(results, 2);
const char* label = (const char*)librdf_node_get_literal_value(label_node);
- //printf("CLASS: %s / %s\n", librdf_uri_as_string(parent_uri), librdf_uri_as_string(class_uri));
+ printf("CLASS: %s / %s\n", librdf_uri_as_string(parent_uri), librdf_uri_as_string(class_uri));
SLV2PluginClass plugin_class = slv2_plugin_class_new(world,
(const char*)librdf_uri_as_string(parent_uri),
@@ -445,6 +538,8 @@ slv2_world_load_all(SLV2World world)
/* 3. Query out things to cache */
+ slv2_world_load_specifications(world);
+
slv2_world_load_plugin_classes(world);
// Find all plugins and associated data files