57f7f71ce3
Reconstitution. Comiples, untested. git-svn-id: svn://localhost/ardour2/branches/undo@797 d708f5d6-7413-0410-9779-e7cbd77b26cf
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
/*
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Copyright (C) 2000 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: stateful.h 17 2005-09-24 19:13:41Z taybin $
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*/
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#ifndef __pbd_stateful_h__
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#define __pbd_stateful_h__
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#include <string>
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#include <pbd/id.h>
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class XMLNode;
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class Stateful {
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public:
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Stateful();
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virtual ~Stateful();
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virtual XMLNode& get_state (void) = 0;
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virtual int set_state (const XMLNode&) = 0;
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/* Extra XML nodes */
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void add_extra_xml (XMLNode&);
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XMLNode *extra_xml (const std::string& str);
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virtual void add_instant_xml (XMLNode&, const std::string& dir);
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XMLNode *instant_xml (const std::string& str, const std::string& dir);
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PBD::ID id() { return _id; }
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protected:
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XMLNode *_extra_xml;
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XMLNode *_instant_xml;
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PBD::ID _id;
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};
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#endif /* __pbd_stateful_h__ */
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