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Diffstat (limited to 'libs/ardour/ardour/stateful.h')
-rw-r--r-- | libs/ardour/ardour/stateful.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libs/ardour/ardour/stateful.h b/libs/ardour/ardour/stateful.h new file mode 100644 index 0000000000..4f4cb20b39 --- /dev/null +++ b/libs/ardour/ardour/stateful.h @@ -0,0 +1,51 @@ +/* + Copyright (C) 2000 Paul Davis + + This program 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. + + This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id$ +*/ + +#ifndef __ardour_stateful_h__ +#define __ardour_stateful_h__ + +#include <string> + +class XMLNode; + +class Stateful { + public: + Stateful(); + virtual ~Stateful(); + + virtual XMLNode& get_state (void) = 0; + + virtual int set_state (const XMLNode&) = 0; + + /* Extra XML nodes */ + + void add_extra_xml (XMLNode&); + XMLNode *extra_xml (const std::string& str); + + virtual void add_instant_xml (XMLNode&, const std::string& dir); + XMLNode *instant_xml (const std::string& str, const std::string& dir); + + protected: + XMLNode *_extra_xml; + XMLNode *_instant_xml; +}; + +#endif /* __ardour_stateful_h__ */ + |