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-rw-r--r--src/common/util/RedlandAtom.h77
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diff --git a/src/common/util/RedlandAtom.h b/src/common/util/RedlandAtom.h
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+/* 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
+ */
+
+#ifndef REDLAND_ATOM_H
+#define REDLAND_ATOM_H
+
+#include <redland.h>
+#include "util/Atom.h"
+
+#define U(x) ((const unsigned char*)(x))
+
+/** Support for serializing an Atom to/from RDF (via redland aka librdf).
+ *
+ * (Here to prevent a unnecessary redland dependency for Atom).
+ */
+class RedlandAtom {
+public:
+ static librdf_node* atom_to_node(librdf_world* world, const Atom& atom) {
+ char tmp_buf[32];
+
+ switch (atom.type()) {
+ //case NIL:
+ // (see below)
+ //break;
+ case Atom::INT:
+ snprintf(tmp_buf, 32, "%d", atom.get_int32());
+ return librdf_new_node_from_typed_literal(world, U(tmp_buf), NULL, librdf_new_uri(world, U("http://www.w3.org/2001/XMLSchema#integer")));
+ break;
+ case Atom::FLOAT:
+ snprintf(tmp_buf, 32, "%f", atom.get_float());
+ return librdf_new_node_from_typed_literal(world, U(tmp_buf), NULL, librdf_new_uri(world, U("http://www.w3.org/2001/XMLSchema#float")));
+ break;
+ case Atom::STRING:
+ return librdf_new_node_from_literal(world, U(atom.get_string()), NULL, 0);
+ case Atom::BLOB:
+ cerr << "WARNING: Unserializable atom!" << endl;
+ return NULL;
+ default: // This catches Atom::Type::NIL too
+ return librdf_new_node(world); // blank node
+ }
+ }
+
+ static Atom node_to_atom(librdf_node* node) {
+ /*switch (type) {
+ case 'i':
+ return Atom(arg->i);
+ case 'f':
+ return Atom(arg->f);
+ case 's':
+ return Atom(&arg->s);
+ //case 'b'
+ // FIXME: How to get a blob from a lo_arg?
+ //return Atom(arg->b);
+ default:
+ return Atom();
+ }*/
+ cerr << "FIXME: node_to_atom\n";
+ return Atom();
+ }
+
+};
+
+
+#endif // REDLAND_ATOM_H