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Diffstat (limited to 'include/ingen/shared/LV2URIMap.hpp')
-rw-r--r-- | include/ingen/shared/LV2URIMap.hpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/ingen/shared/LV2URIMap.hpp b/include/ingen/shared/LV2URIMap.hpp new file mode 100644 index 00000000..98508fd1 --- /dev/null +++ b/include/ingen/shared/LV2URIMap.hpp @@ -0,0 +1,70 @@ +/* This file is part of Ingen. + * Copyright 2008-2011 David 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 + */ + +#ifndef INGEN_SHARED_LV2URIMAP_HPP +#define INGEN_SHARED_LV2URIMAP_HPP + +#include <map> +#include <utility> + +#include <boost/utility.hpp> + +#include "ingen/shared/LV2Features.hpp" +#include "ingen/shared/URIs.hpp" +#include "lv2/lv2plug.in/ns/ext/uri-map/uri-map.h" +#include "raul/URI.hpp" + +namespace Ingen { +namespace Shared { + +/** Implementation of the LV2 URI Map extension + */ +class LV2URIMap : public boost::noncopyable, public LV2Features::Feature { +public: + LV2URIMap(URIs& uris); + + SharedPtr<LV2_Feature> feature(Shared::World*, Node*) { + return SharedPtr<LV2_Feature>(&uri_map_feature, NullDeleter<LV2_Feature>); + } + + virtual uint32_t uri_to_id(const char* map, const char* uri); + virtual const char* id_to_uri(const char* map, uint32_t id); + + std::pair<bool, uint32_t> event_to_global(uint16_t event_id) const; + std::pair<bool, uint16_t> global_to_event(uint32_t global_id) const; + +private: + static uint32_t uri_map_uri_to_id(LV2_URI_Map_Callback_Data callback_data, + const char* map, + const char* uri); + + LV2_Feature uri_map_feature; + LV2_URI_Map_Feature uri_map_feature_data; + + typedef std::map<uint16_t, uint32_t> EventToGlobal; + typedef std::map<uint32_t, uint16_t> GlobalToEvent; + + EventToGlobal _event_to_global; + GlobalToEvent _global_to_event; + + URIs& _uris; +}; + +} // namespace Shared +} // namespace Ingen + +#endif // INGEN_SHARED_LV2URIMAP_HPP |