Preliminary MIDI plugin support.

git-svn-id: svn://localhost/ardour2/branches/3.0@5036 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 74 insertions, 0 deletions

diff --git a/libs/ardour/uri_map.cc b/libs/ardour/uri_map.cc
new file mode 100644
index 0000000000..fc82255ef8
--- /dev/null
+++ b/libs/ardour/uri_map.cc
@@ -0,0 +1,74 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2008 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
+ */
+
+#define __STDC_LIMIT_MACROS 1
+#include <cassert>
+#include <iostream>
+#include <stdint.h>
+#include "ardour/uri_map.h"
+
+using namespace std;
+
+namespace ARDOUR {
+	
+
+URIMap::URIMap()
+	: next_uri_id(1)
+{
+	uri_map_feature_data.uri_to_id = &URIMap::uri_map_uri_to_id;
+	uri_map_feature_data.callback_data = this;
+	uri_map_feature.URI = LV2_URI_MAP_URI;
+	uri_map_feature.data = &uri_map_feature_data;
+}
+
+	
+uint32_t
+URIMap::uri_to_id(const char* map,
+                  const char* uri)
+{
+	return uri_map_uri_to_id(this, map, uri);
+}
+
+
+uint32_t
+URIMap::uri_map_uri_to_id(LV2_URI_Map_Callback_Data callback_data,
+                          const char*               map,
+                          const char*               uri)
+{
+	// TODO: map ignored, < UINT16_MAX assumed
+	
+	URIMap* me = (URIMap*)callback_data;
+	uint32_t ret = 0;
+
+	Map::iterator i = me->uri_map.find(uri);
+	if (i != me->uri_map.end()) {
+		ret = i->second;
+	} else {
+		ret = me->next_uri_id++;
+		me->uri_map.insert(make_pair(string(uri), ret));
+	}
+	
+	/*cout << "URI MAP (" << (map ? (void*)map : NULL)
+		<< "): " << uri << " -> " << ret << endl;*/
+
+	assert(ret <= UINT16_MAX);
+	return ret;
+}
+
+
+} // namespace ARDOUR
+