00001 // This file is part of ff3d - http://www.freefem.org/ff3d 00002 // Copyright (C) 2001, 2002, 2003 Stéphane Del Pino 00003 00004 // This program is free software; you can redistribute it and/or modify 00005 // it under the terms of the GNU General Public License as published by 00006 // the Free Software Foundation; either version 2, or (at your option) 00007 // any later version. 00008 00009 // This program is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 // GNU General Public License for more details. 00013 00014 // You should have received a copy of the GNU General Public License 00015 // along with this program; if not, write to the Free Software Foundation, 00016 // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 // $Id: IStreamExpression.hpp,v 1.1 2008/09/29 23:28:47 delpinux Exp $ 00019 00020 #ifndef ISTREAM_EXPRESSION_HPP 00021 #define ISTREAM_EXPRESSION_HPP 00022 00023 #include <Expression.hpp> 00024 #include <istream> 00025 00026 class IFStreamVariable; 00027 00028 class IStreamExpression 00029 : public Expression 00030 { 00031 private: 00032 const std::string 00033 __ifstreamName; 00035 std::istream* __istream; 00037 IFStreamVariable* 00038 __ifstreamVariable; 00047 std::ostream & put(std::ostream & os) const; 00048 00049 public: 00054 void execute(); 00055 00061 void operator>>(Expression& e); 00062 00068 IStreamExpression(std::istream* is); 00069 00075 IStreamExpression(const std::string& ifstreamName); 00076 00082 IStreamExpression(const IStreamExpression& is); 00083 00088 ~IStreamExpression(); 00089 }; 00090 00091 #endif // ISTREAM_EXPRESSION_HPP
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