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-rw-r--r--src/libs/serialisation/Loader.cpp342
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diff --git a/src/libs/serialisation/Loader.cpp b/src/libs/serialisation/Loader.cpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include <glibmm/ustring.h>
+#include <raul/RDFModel.h>
+#include <raul/RDFQuery.h>
+#include "interface/EngineInterface.h"
+#include "Loader.h"
+
+using namespace std;
+using namespace Raul;
+using namespace Ingen::Shared;
+
+namespace Ingen {
+namespace Serialisation {
+
+
+/** Load (create) a patch from RDF into the engine.
+ *
+ * @param document_uri URI of file to load objects from.
+ * @param parent Path of parent under which to load objects.
+ * @return whether or not load was successful.
+ */
+bool
+Loader::load(SharedPtr<EngineInterface> engine,
+ Raul::RDF::World* rdf_world,
+ const Glib::ustring& document_uri,
+ boost::optional<Path> parent,
+ string patch_name,
+ Glib::ustring patch_uri,
+ map<string,Atom> data)
+{
+ // FIXME: this whole thing is a mess
+
+ std::map<Path, bool> created;
+
+ RDF::Model model(*rdf_world, document_uri);
+
+ //patch_uri = string("<") + patch_uri + ">";
+ patch_uri = string("<") + document_uri + ">";
+
+ cerr << "[Loader] Loading " << patch_uri << " from " << document_uri
+ << " under " << (string)(parent ? (string)parent.get() : "no parent") << endl;
+
+ /* Get polyphony (mandatory) */
+
+ // FIXME: polyphony datatype
+ RDF::Query query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?poly WHERE {\n") +
+ patch_uri + " ingen:polyphony ?poly\n }");
+
+ RDF::Query::Results results = query.run(*rdf_world, model);
+
+ if (results.size() == 0) {
+ cerr << "[Loader] ERROR: No polyphony found!" << endl;
+ return false;
+ }
+
+ RDF::Node poly_node = (*results.begin())["poly"];
+ assert(poly_node.is_int());
+ size_t patch_poly = (size_t)poly_node.to_int();
+
+ /* Get name (if available/necessary) */
+
+ if (patch_name == "") {
+ patch_name = string(document_uri.substr(document_uri.find_last_of("/")+1));
+ if (patch_name.substr(patch_name.length()-10) == ".ingen.ttl")
+ patch_name = patch_name.substr(0, patch_name.length()-10);
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?name WHERE {\n") +
+ patch_uri + " ingen:name ?name\n}");
+
+ results = query.run(*rdf_world, model);
+
+ if (results.size() > 0)
+ patch_name = (*results.begin())["name"].to_string();
+ }
+
+ Path patch_path = ( parent ? (parent.get().base() + patch_name) : Path("/") );
+ cerr << "************ PATCH: name=" << patch_name << ", path=" << patch_path
+ << ", poly = " << patch_poly << endl;
+ engine->create_patch(patch_path, patch_poly);
+
+
+ /* Load (plugin) nodes */
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?name ?plugin ?floatkey ?floatval WHERE {\n") +
+ patch_uri + " ingen:node ?node .\n"
+ "?node ingen:name ?name ;\n"
+ " ingen:plugin ?plugin .\n"
+ "OPTIONAL { ?node ?floatkey ?floatval . \n"
+ " FILTER ( datatype(?floatval) = xsd:decimal ) }\n"
+ "}");
+
+ results = query.run(*rdf_world, model);
+
+ for (RDF::Query::Results::iterator i = results.begin(); i != results.end(); ++i) {
+
+ string name = (*i)["name"].to_string();
+ string plugin = (*i)["plugin"].to_string();
+
+ const Path node_path = patch_path.base() + (string)name;
+
+ if (created.find(node_path) == created.end()) {
+ engine->create_node(node_path, plugin, false);
+ created[node_path] = true;
+ }
+
+ string floatkey = rdf_world->prefixes().qualify((*i)["floatkey"].to_string());
+ RDF::Node val_node = (*i)["floatval"];
+
+ if (floatkey != "" && val_node.is_float())
+ engine->set_metadata(patch_path.base() + name, floatkey, Atom(val_node.to_float()));
+ }
+
+
+ /* Load subpatches */
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?patch ?name WHERE {\n") +
+ patch_uri + " ingen:node ?patch .\n"
+ "?patch a ingen:Patch ;\n"
+ " ingen:name ?name .\n"
+ "}");
+
+ results = query.run(*rdf_world, model);
+
+ for (RDF::Query::Results::iterator i = results.begin(); i != results.end(); ++i) {
+
+ string name = (*i)["name"].to_string();
+ string patch = (*i)["patch"].to_string();
+
+ const Path subpatch_path = patch_path.base() + (string)name;
+
+ if (created.find(subpatch_path) == created.end()) {
+ load(engine, rdf_world, document_uri, patch_path, name, patch);
+ created[subpatch_path] = true;
+ }
+ }
+
+ created.clear();
+
+
+ /* Set node port control values */
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?nodename ?portname ?portval WHERE {\n") +
+ patch_uri + " ingen:node ?node .\n"
+ "?node ingen:name ?nodename ;\n"
+ " ingen:port ?port .\n"
+ "?port ingen:name ?portname ;\n"
+ " ingen:value ?portval .\n"
+ "FILTER ( datatype(?portval) = xsd:decimal )\n"
+ "}\n");
+
+ results = query.run(*rdf_world, model);
+
+ for (RDF::Query::Results::iterator i = results.begin(); i != results.end(); ++i) {
+
+ string node_name = (*i)["nodename"].to_string();
+ string port_name = (*i)["portname"].to_string();
+ const float val = (*i)["portval"].to_float();
+
+ Path port_path = patch_path.base() + (const string&)node_name +"/"+ (const string&)port_name;
+
+ engine->set_port_value(port_path, val);
+ }
+
+
+ /* Load this patch's ports */
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?port ?type ?name ?datatype ?floatkey ?floatval ?portval WHERE {\n") +
+ patch_uri + " ingen:port ?port .\n"
+ "?port a ?type ;\n"
+ " ingen:name ?name ;\n"
+ " ingen:dataType ?datatype .\n"
+ "OPTIONAL { ?port ?floatkey ?floatval . \n"
+ " FILTER ( datatype(?floatval) = xsd:decimal ) }\n"
+ "OPTIONAL { ?port ingen:value ?portval . \n"
+ " FILTER ( datatype(?portval) = xsd:decimal ) }\n"
+ "}");
+
+ results = query.run(*rdf_world, model);
+
+ for (RDF::Query::Results::iterator i = results.begin(); i != results.end(); ++i) {
+ string name = (*i)["name"].to_string();
+ string type = rdf_world->qualify((*i)["type"].to_string());
+ string datatype = (*i)["datatype"].to_string();
+
+ const Path port_path = patch_path.base() + (string)name;
+
+ if (created.find(port_path) == created.end()) {
+ //cerr << "TYPE: " << type << endl;
+ bool is_output = (type == "ingen:OutputPort"); // FIXME: check validity
+ engine->create_port(port_path, datatype, is_output);
+ created[port_path] = true;
+ }
+
+ RDF::Node val_node = (*i)["portval"];
+ if (val_node.is_float())
+ engine->set_port_value(patch_path.base() + name, val_node.to_float());
+
+ string floatkey = rdf_world->qualify((*i)["floatkey"].to_string());
+ val_node = (*i)["floatval"];
+
+ if (floatkey != "" && val_node.is_float())
+ engine->set_metadata(patch_path.base() + name, floatkey, Atom(val_node.to_float()));
+ }
+
+ created.clear();
+
+
+ /* Node -> Node connections */
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?srcnodename ?srcname ?dstnodename ?dstname WHERE {\n") +
+ patch_uri + "ingen:node ?srcnode ;\n"
+ " ingen:node ?dstnode .\n"
+ "?srcnode ingen:port ?src ;\n"
+ " ingen:name ?srcnodename .\n"
+ "?dstnode ingen:port ?dst ;\n"
+ " ingen:name ?dstnodename .\n"
+ "?src ingen:name ?srcname .\n"
+ "?dst ingen:connectedTo ?src ;\n"
+ " ingen:name ?dstname .\n"
+ "}\n");
+
+ results = query.run(*rdf_world, model);
+
+ for (RDF::Query::Results::iterator i = results.begin(); i != results.end(); ++i) {
+ Path src_node = patch_path.base() + (*i)["srcnodename"].to_string();
+ Path src_port = src_node.base() + (*i)["srcname"].to_string();
+ Path dst_node = patch_path.base() + (*i)["dstnodename"].to_string();
+ Path dst_port = dst_node.base() + (*i)["dstname"].to_string();
+
+ cerr << patch_path << " 1 CONNECTION: " << src_port << " -> " << dst_port << endl;
+
+ engine->connect(src_port, dst_port);
+ }
+
+
+ /* This Patch -> Node connections */
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?srcname ?dstnodename ?dstname WHERE {\n") +
+ patch_uri + " ingen:port ?src ;\n"
+ " ingen:node ?dstnode .\n"
+ "?dstnode ingen:port ?dst ;\n"
+ " ingen:name ?dstnodename .\n"
+ "?dst ingen:connectedTo ?src ;\n"
+ " ingen:name ?dstname .\n"
+ "?src ingen:name ?srcname .\n"
+ "}\n");
+
+ results = query.run(*rdf_world, model);
+
+ for (RDF::Query::Results::iterator i = results.begin(); i != results.end(); ++i) {
+ Path src_port = patch_path.base() + (*i)["srcname"].to_string();
+ Path dst_node = patch_path.base() + (*i)["dstnodename"].to_string();
+ Path dst_port = dst_node.base() + (*i)["dstname"].to_string();
+
+ cerr << patch_path << " 2 CONNECTION: " << src_port << " -> " << dst_port << endl;
+
+ engine->connect(src_port, dst_port);
+ }
+
+
+ /* Node -> This Patch connections */
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?srcnodename ?srcname ?dstname WHERE {\n") +
+ patch_uri + " ingen:port ?dst ;\n"
+ " ingen:node ?srcnode .\n"
+ "?srcnode ingen:port ?src ;\n"
+ " ingen:name ?srcnodename .\n"
+ "?dst ingen:connectedTo ?src ;\n"
+ " ingen:name ?dstname .\n"
+ "?src ingen:name ?srcname .\n"
+ "}\n");
+
+ results = query.run(*rdf_world, model);
+
+ for (RDF::Query::Results::iterator i = results.begin(); i != results.end(); ++i) {
+ Path dst_port = patch_path.base() + (*i)["dstname"].to_string();
+ Path src_node = patch_path.base() + (*i)["srcnodename"].to_string();
+ Path src_port = src_node.base() + (*i)["srcname"].to_string();
+
+ cerr << patch_path << " 3 CONNECTION: " << src_port << " -> " << dst_port << endl;
+
+ engine->connect(src_port, dst_port);
+ }
+
+
+ /* Load metadata */
+
+ query = RDF::Query(*rdf_world, Glib::ustring(
+ "SELECT DISTINCT ?floatkey ?floatval WHERE {\n") +
+ patch_uri + " ?floatkey ?floatval . \n"
+ " FILTER ( datatype(?floatval) = xsd:decimal ) \n"
+ "}");
+
+ results = query.run(*rdf_world, model);
+
+ for (RDF::Query::Results::iterator i = results.begin(); i != results.end(); ++i) {
+
+ string floatkey = rdf_world->prefixes().qualify((*i)["floatkey"].to_string());
+ RDF::Node val_node = (*i)["floatval"];
+
+ if (floatkey != "" && val_node.is_float())
+ engine->set_metadata(patch_path, floatkey, Atom(val_node.to_float()));
+ }
+
+
+ // Set passed metadata last to override any loaded values
+ for (Metadata::const_iterator i = data.begin(); i != data.end(); ++i)
+ engine->set_metadata(patch_path, i->first, i->second);
+
+ return true;
+}
+
+
+} // namespace Serialisation
+} // namespace Ingen
+
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