70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoPersistent.h
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// (c) GeNeura Team, 1999
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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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*/
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//-----------------------------------------------------------------------------
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#ifndef EOPERSISTENT_H
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#define EOPERSISTENT_H
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/// @name variables Some definitions of variables used throughout the program
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//@{
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/// max length to store stuff read
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const unsigned MAXLINELENGTH=1024;
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//@}
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//-----------------------------------------------------------------------------
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#include <iostream> // istream, ostream
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#include <string> // para string
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//-----------------------------------------------------------------------------
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#include <eoPrintable.h>
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using namespace std;
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//-----------------------------------------------------------------------------
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// eoPersistent
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//-----------------------------------------------------------------------------
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/**
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An persistent object that knows how to write (through functions inherited from
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#eoPrintable#) and read itself
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*/
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class eoPersistent: public eoPrintable
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{
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public:
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/// Virtual dtor. They are needed in virtual class hierarchies.
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virtual ~eoPersistent() {}
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/**
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* Read object.
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* @param _is A istream.
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* @throw runtime_exception If a valid object can't be read.
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*/
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virtual void readFrom(istream& _is) = 0;
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};
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//-----------------------------------------------------------------------------
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///Standard input for all objects in the EO hierarchy
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istream & operator >> ( istream& _is, eoPersistent& _o );
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#endif EOOBJECT_H
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