# eoPrintable.h

    00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
    00002
    00003 //-----------------------------------------------------------------------------
    00004 // eoPrintable.h
    00005 // (c) GeNeura Team, 1998
    00006 /*
    00007     This library is free software; you can redistribute it and/or
    00008     modify it under the terms of the GNU Lesser General Public
    00009     License as published by the Free Software Foundation; either
    00010     version 2 of the License, or (at your option) any later version.
    00011
    00012     This library is distributed in the hope that it will be useful,
    00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00015     Lesser General Public License for more details.
    00016
    00017     You should have received a copy of the GNU Lesser General Public
    00018     License along with this library; if not, write to the Free Software
    00019     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00020
    00021     Contact: todos@geneura.ugr.es, http://geneura.ugr.es
    00022  */
    00023 //-----------------------------------------------------------------------------
    00024
    00025 #ifndef EOPRINTABLE_H
    00026 #define EOPRINTABLE_H
    00027
    00028 //-----------------------------------------------------------------------------
    00029
    00030 #include <iostream>  // std::istream, std::ostream
    00031 #include <string> // para std::string
    00032
    00033 //-----------------------------------------------------------------------------
    00034 // eoPrintable
    00035 //-----------------------------------------------------------------------------
    00043 class eoPrintable
    00044 {
    00045  public:
    00047   virtual ~eoPrintable() {}
    00048
    00053   virtual void printOn(std::ostream& _os) const = 0;
    00054 };
    00055
    00056 //-----------------------------------------------------------------------------
    00058 std::ostream & operator << ( std::ostream& _os, const eoPrintable& _o );
    00059
    00060 #endif
    00061