/* * Copyright (C) 2005 Maarten Keijzer * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef EOSYM_H_ #define EOSYM_H_ #include #include #include template class EoSym : public EO, public Sym { public: void set(const Sym& sym) { EO::invalidate(); static_cast(this)->operator=(sym); } Sym& get() { return static_cast(*this); }; Sym get() const { return static_cast(*this); }; virtual void printOn(std::ostream& os) const; virtual void readFrom(std::istream& is); }; template void EoSym::printOn(std::ostream& os) const { EO::printOn(os); os << ' '; write_raw(os, *this); } template void EoSym::readFrom(std::istream& is) { EO::readFrom(is); read_raw(is, *this); } template inline std::ostream& operator<<(std::ostream& os, const EoSym& f) { f.printOn(os); return os; } template inline std::istream& operator>>(std::istream& is, EoSym& f) { f.readFrom(is); return is; } #endif