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Diffstat (limited to 'ingen/ClashAvoider.hpp')
-rw-r--r-- | ingen/ClashAvoider.hpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/ingen/ClashAvoider.hpp b/ingen/ClashAvoider.hpp new file mode 100644 index 00000000..d8fce196 --- /dev/null +++ b/ingen/ClashAvoider.hpp @@ -0,0 +1,66 @@ +/* + This file is part of Ingen. + Copyright 2007-2015 David Robillard <http://drobilla.net/> + + Ingen is free software: you can redistribute it and/or modify it under the + terms of the GNU Affero General Public License as published by the Free + Software Foundation, either version 3 of the License, or 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 Affero General Public License for details. + + You should have received a copy of the GNU Affero General Public License + along with Ingen. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef INGEN_CLASHAVOIDER_HPP +#define INGEN_CLASHAVOIDER_HPP + +#include "ingen/ingen.h" +#include "raul/Path.hpp" + +#include <map> +#include <string> + +namespace ingen { + +class Store; +class URI; + +/** Maps paths so they do not clash with an existing object in a store. + * + * @ingroup ingen + */ +class INGEN_API ClashAvoider +{ +public: + explicit ClashAvoider(const Store& store); + + const URI map_uri(const URI& in); + const Raul::Path map_path(const Raul::Path& in); + + bool exists(const Raul::Path& path) const; + + /** Adjust a new label by increasing the numeric suffix if any. + * + * @param old_path The old path that was mapped with `map_path()` + * @param new_path The new path that `old_path` was mapped to + * @param name The old name. + */ + static std::string adjust_name(const Raul::Path& old_path, + const Raul::Path& new_path, + std::string name); + +private: + typedef std::map<Raul::Path, unsigned> Offsets; + typedef std::map<Raul::Path, Raul::Path> SymbolMap; + + const Store& _store; + Offsets _offsets; + SymbolMap _symbol_map; +}; + +} // namespace ingen + +#endif // INGEN_CLASHAVOIDER_HPP |