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 ms_traits_example.cpp 42 * A basic example showing how to use ms_traits for querying container types 43 * for their behavior. 44 */ 45 46// For various associative containers. 47#include <ext/pb_assoc/assoc_cntnr.hpp> 48// For ms_traits. 49#include <ext/pb_assoc/ms_trait.hpp> 50// For cout, endl. 51#include <iostream> 52 53void 54print_has_data_compound_data(bool has_data, bool has_compound_data) 55{ 56 if (!has_data) 57 { 58 std::cout << "Does not have data." << std::endl; 59 60 return; 61 } 62 63 if (!has_compound_data) 64 { 65 std::cout << "Has data." << std::endl; 66 67 return; 68 } 69 70 std::cout << "Has compound data." << std::endl; 71} 72 73void 74print_mapping_level(unsigned int mapping_level) 75{ 76 std::cout << "Mapping level = " << mapping_level << std::endl; 77} 78 79template<class Cntnr> 80void 81print_mapping_attributes() 82{ 83 typedef pb_assoc::ms_traits< Cntnr> traits; 84 85 print_has_data_compound_data(traits::has_data, traits::has_compound_data); 86 87 print_mapping_level(traits::mapping_level); 88 89 std::cout << std::endl << std::endl; 90} 91 92int 93main() 94{ 95 std::cout << "\"Set\"-type container:" << std::endl; 96 97 print_mapping_attributes< 98 pb_assoc::cc_hash_assoc_cntnr<int, pb_assoc::null_data_type> >(); 99 100 std::cout << "\"Map\"-type container:" << std::endl; 101 102 print_mapping_attributes< 103 pb_assoc::cc_hash_assoc_cntnr<int, char> >(); 104 105 typedef 106 pb_assoc::cc_hash_assoc_cntnr< 107 int, 108 pb_assoc::compound_data_type< 109 pb_assoc::tree_assoc_cntnr< 110 char, 111 pb_assoc::null_data_type> > > 112 mmap_t; 113 114 std::cout << "\"Multimap\"-type container:" << std::endl; 115 116 print_mapping_attributes<mmap_t>(); 117 118 std::cout << "Rebound \"Multimap\"-type container:" << std::endl; 119 120 print_mapping_attributes<mmap_t::rebind<1>::other>(); 121} 122