1// -*- C++ -*- 2 3// Copyright (C) 2005 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 2, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// As a special exception, you may use this file as part of a free software 22// library without restriction. Specifically, if other files instantiate 23// templates or use macros or inline functions from this file, or you compile 24// this file and link it with other files to produce an executable, this 25// file does not by itself cause the resulting executable to be covered by 26// the GNU General Public License. This exception does not however 27// invalidate any other reasons why the executable file might be covered by 28// the GNU General Public License. 29 30// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 31 32// Permission to use, copy, modify, sell, and distribute this software 33// is hereby granted without fee, provided that the above copyright 34// notice appears in all copies, and that both that copyright notice and 35// this permission notice appear in supporting documentation. None of 36// the above authors, nor IBM Haifa Research Laboratories, make any 37// representation about the suitability of this software for any 38// purpose. It is provided "as is" without express or implied warranty. 39 40/** 41 * @file erase_if_pred.hpp 42 * Contains a bridge erase_if predicate 43 */ 44 45template<class Pred> 46class erase_if_pred 47{ 48public: 49 // Tmp Ami all erase-ifs should take a reference to a predicate? 50 erase_if_pred(Pred& r_pred, typename my_base::iterator base_it) : m_r_pred(r_pred), 51 m_base_it(base_it) 52 { } 53 54 inline bool 55 operator()(typename my_base_data_type::iterator::reference r_val) 56 { 57 it_value_type_traits_t::make_valid(m_value_type_holder, m_base_it->first, r_val); 58 59 typename it_value_type_traits_t::pointer p_exp_val = 60 it_value_type_traits_t::recast(m_value_type_holder); 61 62 return (m_r_pred(*p_exp_val)); 63 } 64 65private: 66 Pred& m_r_pred; 67 68 typename my_base::iterator m_base_it; 69 70 typename it_value_type_traits_t::value_type_holder m_value_type_holder; 71}; 72 73