/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard.
*
* 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 <raptor.h>
#include "Loader.h"
#include "RDFQuery.h"
#include "ModelEngineInterface.h"
namespace Ingen {
namespace Client {
Loader::Loader(SharedPtr<ModelEngineInterface> engine, SharedPtr<Namespaces> namespaces)
: _engine(engine)
, _namespaces(namespaces)
{
if (!_namespaces)
_namespaces = SharedPtr<Namespaces>(new Namespaces());
// FIXME: hack
_namespaces->add("ingen", "http://codeson.net/ns/ingen#");
_namespaces->add("ingenuity", "http://codeson.net/ns/ingenuity#");
}
/** Load (create) all objects from an RDF into the engine.
*
* @param filename Filename to load objects from.
* @param parent Path of parent under which to load objects.
* @return whether or not load was successful.
*/
bool
Loader::load(const Glib::ustring& filename,
const Path& parent,
string patch_name,
Glib::ustring patch_uri,
MetadataMap data)
{
// FIXME: this whole thing is a mess
std::map<Glib::ustring, bool> created;
// FIXME: kluge
unsigned char* document_uri_str = raptor_uri_filename_to_uri_string(filename.c_str());
Glib::ustring document_uri = (const char*)document_uri_str;
//Glib::ustring document_uri = "file:///home/dave/code/codesonnet/ingen/src/progs/ingenuity/test2.ingen.ttl";
if (patch_uri == "")
patch_uri = "<>";
cerr << "[Loader] Loading " << patch_uri << " from " << document_uri
<< " under " << parent << endl;
/* Get polyphony (mandatory) */
// FIXME: polyphony datatype
RDFQuery query(Glib::ustring(
"SELECT DISTINCT ?poly \nFROM <") + document_uri + ">\nWHERE {\n\t" +
patch_uri + " ingen:polyphony ?poly .\n"
"}");
RDFQuery::Results results = query.run(document_uri);
if (results.size() == 0) {
cerr << "[Loader] ERROR: No polyphony found!" << endl;
return false;
}
size_t patch_poly = atoi(((*results.begin())["poly"]).c_str());
/* Get name (if available/necessary) */
if (patch_name == "") {
patch_name = string(filename.substr(filename.find_last_of("/")+1));
query = RDFQuery(Glib::ustring(
"SELECT DISTINCT ?name FROM <") + document_uri + "> WHERE {\n" +
patch_uri + " ingen:name ?name .\n"
"}");
results = query.run(document_uri);
if (results.size() > 0)
patch_name = string((*results.begin())["name"]);
}
Path patch_path = parent.base() + patch_name;
cerr << "************ PATCH: " << patch_path << ", poly = " << patch_poly << endl;
_engine->create_patch(patch_path, patch_poly);
/* Load nodes */
query = RDFQuery(Glib::ustring(
"SELECT DISTINCT ?name ?plugin ?floatkey ?floatval FROM <") + document_uri + "> 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(document_uri);
for (RDFQuery::Results::iterator i = results.begin(); i != results.end(); ++i) {
const Glib::ustring& name = (*i)["name"];
const Glib::ustring& plugin = (*i)["plugin"];
if (created.find(name) == created.end()) {
_engine->create_node(patch_path.base() + name, plugin, false);
created[name] = true;
}
Glib::ustring floatkey = _namespaces->qualify((*i)["floatkey"]);
Glib::ustring floatval = (*i)["floatval"];
if (floatkey != "" && floatval != "") {
const float val = atof(floatval.c_str());
_engine->set_metadata(patch_path.base() + name, floatkey, Atom(val));
}
}
created.clear();
/* Load this patch's ports */
query = RDFQuery(Glib::ustring(
"SELECT DISTINCT ?port ?type ?name ?datatype ?floatkey ?floatval FROM <") + document_uri + "> 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"
"}");
results = query.run(document_uri);
for (RDFQuery::Results::iterator i = results.begin(); i != results.end(); ++i) {
const Glib::ustring& name = (*i)["name"];
const Glib::ustring& type = _namespaces->qualify((*i)["type"]);
const Glib::ustring& datatype = (*i)["datatype"];
if (created.find(name) == created.end()) {
//cerr << "TYPE: " << type << endl;
bool is_output = (type == "ingen:OutputPort"); // FIXME: check validity
_engine->create_port(patch_path.base() + name, datatype, is_output);
created[name] = true;
}
Glib::ustring floatkey = _namespaces->qualify((*i)["floatkey"]);
Glib::ustring floatval = (*i)["floatval"];
if (floatkey != "" && floatval != "") {
const float val = atof(floatval.c_str());
_engine->set_metadata(patch_path.base() + name, floatkey, Atom(val));
}
}
/* Load connections */
// FIXME: path?
query = RDFQuery(Glib::ustring(
"SELECT DISTINCT ?srcnode ?src ?dstnode ?dst FROM <") + document_uri + "> WHERE {\n" +
"?srcnoderef ingen:port ?srcref .\n"
"?dstnoderef ingen:port ?dstref .\n"
"?dstref ingen:connectedTo ?srcref .\n"
"?srcref ingen:name ?src .\n"
"?dstref ingen:name ?dst .\n"
"OPTIONAL { ?srcnoderef ingen:name ?srcnode } .\n"
"OPTIONAL { ?dstnoderef ingen:name ?dstnode }\n"
"}\n");
results = query.run(document_uri);
for (RDFQuery::Results::iterator i = results.begin(); i != results.end(); ++i) {
Path src_node = patch_path;
if ((*i).find("srcnode") != (*i).end())
src_node = patch_path.base() + string((*i)["srcnode"]);
Path src_port = src_node.base() + string((*i)["src"]);
Path dst_node = patch_path;
if ((*i).find("dstnode") != (*i).end())
dst_node = patch_path.base() + string((*i)["dstnode"]);
Path dst_port = dst_node.base() + string((*i)["dst"]);
//cerr << "CONNECTION: " << src_port << " -> " << dst_port << endl;
_engine->connect(src_port, dst_port);
}
// Set passed metadata last to override any loaded values
for (MetadataMap::const_iterator i = data.begin(); i != data.end(); ++i)
_engine->set_metadata(patch_path, i->first, i->second);
return true;
}
} // namespace Client
} // namespace Ingen