facets.h
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1 /*
2  * Copyright (C) 2004-2007 Marc Boris Duerner
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
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27  */
28 #ifndef CXXTOOLS_FACETS_H
29 #define CXXTOOLS_FACETS_H
30 
31 #include <cxxtools/api.h>
32 #include <cxxtools/string.h>
33 #include <iosfwd>
34 
35 namespace std {
36 
40 template <>
41 class CXXTOOLS_API numpunct<cxxtools::Char> : public locale::facet {
42  public:
45 
46  // gcc 3.4.x violates the c++ standard by requiring a __numpunct_cache
47  #if __GLIBCXX__ <= 20051201 && __GLIBCXX__ >= 20040419
48  typedef __numpunct_cache<cxxtools::Char> __cache_type;
49  #endif
50 
51  static locale::id id;
52  virtual locale::id& __get_id (void) const { return id; }
53 
54  public:
55  explicit numpunct(size_t refs = 0);
56 
57  virtual ~numpunct();
58 
59  char_type decimal_point() const;
60 
61  char_type thousands_sep() const;
62 
63  string grouping() const;
64 
65  string_type truename() const;
66 
67  string_type falsename() const;
68 
69  protected:
70  virtual char_type do_decimal_point() const;
71 
72  virtual char_type do_thousands_sep() const;
73 
74  virtual string do_grouping() const;
75 
76  virtual string_type do_truename() const;
77 
78  virtual string_type do_falsename() const;
79 };
80 
81 } // namespace std
82 
83 namespace cxxtools {
84 
85 static std::ios_base::Init cxxtools_stream_init;
86 
87 static struct CXXTOOLS_API InitLocale
88 {
89  InitLocale()
90  {
91  std::locale::global( std::locale(std::locale(), new std::ctype<cxxtools::Char>) );
92  std::locale::global( std::locale(std::locale(), new std::numpunct<cxxtools::Char>) );
93  std::locale::global( std::locale(std::locale(), new std::num_get<cxxtools::Char>) );
94  std::locale::global( std::locale(std::locale(), new std::num_put<cxxtools::Char>) );
95  }
96 } cxxtools_init_locale;
97 
98 }
99 
100 #endif