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/string.h>
32 #include <iosfwd>
33 
34 namespace std {
35 
39 template <>
40 class numpunct<cxxtools::Char> : public locale::facet {
41  public:
44 
45  // gcc 3.4.x violates the c++ standard by requiring a __numpunct_cache
46  #if __GLIBCXX__ <= 20051201 && __GLIBCXX__ >= 20040419
47  typedef __numpunct_cache<cxxtools::Char> __cache_type;
48  #endif
49 
50  static locale::id id;
51  virtual locale::id& __get_id (void) const { return id; }
52 
53  public:
54  explicit numpunct(size_t refs = 0);
55 
56  virtual ~numpunct();
57 
58  char_type decimal_point() const;
59 
60  char_type thousands_sep() const;
61 
62  string grouping() const;
63 
64  string_type truename() const;
65 
66  string_type falsename() const;
67 
68  protected:
69  virtual char_type do_decimal_point() const;
70 
71  virtual char_type do_thousands_sep() const;
72 
73  virtual string do_grouping() const;
74 
75  virtual string_type do_truename() const;
76 
77  virtual string_type do_falsename() const;
78 };
79 
80 } // namespace std
81 
82 namespace cxxtools {
83 
84 static std::ios_base::Init cxxtools_stream_init;
85 
86 static struct InitLocale
87 {
88  InitLocale()
89  {
90  std::locale::global( std::locale(std::locale(), new std::ctype<cxxtools::Char>) );
91  std::locale::global( std::locale(std::locale(), new std::numpunct<cxxtools::Char>) );
92  std::locale::global( std::locale(std::locale(), new std::num_get<cxxtools::Char>) );
93  std::locale::global( std::locale(std::locale(), new std::num_put<cxxtools::Char>) );
94  }
95 } cxxtools_init_locale;
96 
97 }
98 
99 #endif