Move bundle patch finding stuff to ingen_lv2.cpp and simplify it to not require

the World.

Remove all the heavyweight initialisation stuff from plugin library
instantiation, just parse the manifest with Sord directly and don't initialise
the World until the plugin is actually loaded.


git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4056 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 52 insertions, 49 deletions

diff --git a/src/server/ingen_lv2.cpp b/src/server/ingen_lv2.cpp
index a568531c..db8a642e 100644
--- a/src/server/ingen_lv2.cpp
+++ b/src/server/ingen_lv2.cpp
@@ -51,6 +51,8 @@
 #include "ThreadManager.hpp"
 
 #define NS_INGEN "http://drobilla.net/ns/ingen#"
+#define NS_RDF   "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+#define NS_RDFS  "http://www.w3.org/2000/01/rdf-schema#"
 
 /** Record of a patch in this Ingen LV2 bundle */
 struct LV2Patch {
@@ -68,10 +70,7 @@ public:
 
 	typedef std::vector< SharedPtr<const LV2Patch> > Patches;
 
-	Patches                       patches;
-	Ingen::Shared::Configuration* conf;
-	int                           argc;
-	char**                        argv;
+	Patches patches;
 };
 
 /** Library state (constructed/destructed on library load/unload) */
@@ -249,9 +248,13 @@ private:
 };
 
 struct IngenPlugin {
-	Ingen::Shared::World* world;
-	MainThread*           main;
-	LV2_URID_Map*         map;
+	Raul::Forge                   forge;
+	Ingen::Shared::Configuration* conf;
+	Ingen::Shared::World*         world;
+	MainThread*                   main;
+	LV2_URID_Map*                 map;
+	int                           argc;
+	char**                        argv;
 };
 
 static LV2_Handle
@@ -276,13 +279,17 @@ ingen_instantiate(const LV2_Descriptor*    descriptor,
 	}
 
 	IngenPlugin* plugin = (IngenPlugin*)malloc(sizeof(IngenPlugin));
-	plugin->world = new Ingen::Shared::World(lib.conf, lib.argc, lib.argv);
+	plugin->conf  = new Ingen::Shared::Configuration(&plugin->forge);
+	plugin->world = new Ingen::Shared::World(plugin->conf,
+	                                         plugin->argc,
+	                                         plugin->argv);
 	if (!plugin->world->load_module("serialisation")) {
 		delete plugin->world;
 		return NULL;
 	}
 
-	plugin->map = NULL;
+	plugin->main  = NULL;
+	plugin->map   = NULL;
 	for (int i = 0; features[i]; ++i) {
 		if (!strcmp(features[i]->URI, LV2_URID_URI "#map")) {
 			plugin->map = (LV2_URID_Map*)features[i]->data;
@@ -503,52 +510,48 @@ LV2Patch::LV2Patch(const std::string& u, const std::string& f)
 	descriptor.extension_data = ingen_extension_data;
 }
 
-/** Library constructor (called on shared library load) */
-Lib::Lib()
-	: argc(0)
-	, argv(NULL)
+static Lib::Patches
+find_patches(const Glib::ustring& manifest_uri)
 {
-	if (!Glib::thread_supported())
-		Glib::thread_init();
-
-	using namespace Ingen;
-
-	// FIXME
-	Raul::Forge forge;
-	conf = new Ingen::Shared::Configuration(&forge);
-	Ingen::Shared::set_bundle_path_from_code((void*)&lv2_descriptor);
-
-	Ingen::Shared::World* world = new Ingen::Shared::World(conf, argc, argv);
-	if (!world->load_module("serialisation")) {
-		delete world;
-		return;
+	Sord::World      world;
+	const Sord::URI  base(world, manifest_uri);
+	const Sord::Node nil;
+	const Sord::URI  ingen_Patch (world, NS_INGEN "Patch");
+	const Sord::URI  rdf_type    (world, NS_RDF   "type");
+	const Sord::URI  rdfs_seeAlso(world, NS_RDFS  "seeAlso");
+
+	SerdEnv*    env = serd_env_new(sord_node_to_serd_node(base.c_obj()));
+	Sord::Model model(world, manifest_uri);
+	model.load_file(env, SERD_TURTLE, manifest_uri);
+
+	Lib::Patches patches;
+	for (Sord::Iter i = model.find(nil, rdf_type, ingen_Patch); !i.end(); ++i) {
+		const Sord::Node  patch     = i.get_subject();
+		Sord::Iter        f         = model.find(patch, rdfs_seeAlso, nil);
+		const std::string patch_uri = patch.to_c_string();
+		if (!f.end()) {
+			const uint8_t* file_uri  = f.get_object().to_u_string();
+			uint8_t*       file_path = serd_file_uri_parse(file_uri, NULL);
+			patches.push_back(boost::shared_ptr<const LV2Patch>(
+				                  new LV2Patch(patch_uri, (const char*)file_path)));
+			free(file_path);
+		} else {
+			Raul::error << "[Ingen] Patch has no rdfs:seeAlso" << endl;
+		}
 	}
 
-	assert(world->parser());
-
-	typedef Serialisation::Parser::PatchRecords Records;
-
-	const std::string manifest_path = Shared::bundle_file_path("manifest.ttl");
-	const std::string manifest_uri  = Glib::filename_to_uri(manifest_path);
-	const SerdNode    base_node     = serd_node_from_string(
-		SERD_URI, (const uint8_t*)manifest_uri.c_str());
-
-	SerdEnv* env = serd_env_new(&base_node);
-	Records records(
-		world->parser()->find_patches(world, env, manifest_uri));
 	serd_env_free(env);
+	return patches;
+}
 
-	for (Records::iterator i = records.begin(); i != records.end(); ++i) {
-		uint8_t* path = serd_file_uri_parse((const uint8_t*)i->file_uri.c_str(), NULL);
-		if (path) {
-			patches.push_back(
-				SharedPtr<const LV2Patch>(
-					new LV2Patch(i->patch_uri.str(), (const char*)path)));
-		}
-		free(path);
-	}
 
-	delete world;
+/** Library constructor (called on shared library load) */
+Lib::Lib()
+{
+	Ingen::Shared::set_bundle_path_from_code((void*)&lv2_descriptor);
+
+	patches = find_patches(Glib::filename_to_uri(
+		                       Shared::bundle_file_path("manifest.ttl")));
 }
 
 /** Library destructor (called on shared library unload) */