87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoState.h
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// (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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Marc.Schoenauer@polytechnique.fr
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mkeijzer@dhi.dk
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*/
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//-----------------------------------------------------------------------------
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#ifndef eoState_h
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#define eoState_h
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#include <stdexcept>
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#include <string>
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#include <map>
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#include <vector>
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class eoObject;
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class eoPersistent;
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/**
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* eoState can be used to register derivants of eoPersistent. It will
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* then in turn implement the persistence framework through members load
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* and save, that will call readFrom and printOn for the registrated objects.
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*/
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class eoState
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{
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public :
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/**
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* Object registration function, note that it does not take ownership!
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*/
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void registerObject(eoPersistent& registrant);
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/**
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* Loading error thrown when nothing seems to work.
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*/
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struct loading_error : public std::runtime_error
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{
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loading_error(std::string huh = "Error while loading") : std::runtime_error(huh) {}
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};
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std::string getCommentString(void) const { return "#"; }
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/**
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* Reads the file specified
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*
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* @param _filename the name of the file to load from
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*/
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void load(const std::string& _filename);
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/**
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* Saves the state in file specified
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*
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* @param _filename the name of the file to save into
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*/
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void save(const std::string& _filename) const;
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private :
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std::string createObjectName(eoObject* obj);
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// first is Persistent, second is the raw data associated with it.
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typedef std::map<std::string, eoPersistent*> ObjectMap;
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ObjectMap objectMap;
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std::vector<ObjectMap::iterator> creationOrder;
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};
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#endif //eoState_h
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