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