lib/3rdparty/stlport/stlport/stl/_messages_facets.h

   1 /*
   2  * Copyright (c) 1999
   3  * Silicon Graphics Computer Systems, Inc.
   4  *
   5  * Copyright (c) 1999
   6  * Boris Fomitchev
   7  *
   8  * This material is provided "as is", with absolutely no warranty expressed
   9  * or implied. Any use is at your own risk.
  10  *
  11  * Permission to use or copy this software for any purpose is hereby granted
  12  * without fee, provided the above notices are retained on all copies.
  13  * Permission to modify the code and to distribute modified code is granted,
  14  * provided the above notices are retained, and a notice that the code was
  15  * modified is included with the above copyright notice.
  16  *
  17  */
  18
  19 // WARNING: This is an internal header file, included by other C++
  20 // standard library headers.  You should not attempt to use this header
  21 // file directly.
  22
  23
  24 #ifndef _STLP_INTERNAL_MESSAGES_H
  25 #define _STLP_INTERNAL_MESSAGES_H
  26
  27 #ifndef _STLP_IOS_BASE_H
  28 #  include <stl/_ios_base.h>
  29 #endif
  30
  31 #ifndef _STLP_C_LOCALE_H
  32 #  include <stl/c_locale.h>
  33 #endif
  34
  35 #ifndef _STLP_INTERNAL_STRING_H
  36 #  include <stl/_string.h>
  37 #endif
  38
  39 _STLP_BEGIN_NAMESPACE
  40
  41 // messages facets
  42
  43 class messages_base {
  44   public:
  45     typedef int catalog;
  46 };
  47
  48 template <class _CharT> class messages {};
  49
  50 _STLP_MOVE_TO_PRIV_NAMESPACE
  51 class _Messages;
  52 _STLP_MOVE_TO_STD_NAMESPACE
  53
  54 _STLP_TEMPLATE_NULL
  55 class _STLP_CLASS_DECLSPEC messages<char> : public locale::facet, public messages_base {
  56 public:
  57   typedef messages_base::catalog catalog;
  58   typedef char                   char_type;
  59   typedef string                 string_type;
  60
  61   explicit messages(size_t __refs = 0);
  62
  63   catalog open(const string& __fn, const locale& __loc) const
  64   { return do_open(__fn, __loc); }
  65   string_type get(catalog __c, int __set, int __msgid,
  66                   const string_type& __dfault) const
  67   { return do_get(__c, __set, __msgid, __dfault); }
  68   inline void close(catalog __c) const
  69   { do_close(__c); }
  70
  71   static _STLP_STATIC_DECLSPEC locale::id id;
  72
  73 protected:
  74   ~messages() {}
  75
  76   virtual catalog     do_open(const string& __fn, const locale& __loc) const
  77   { return -1; }
  78   virtual string_type do_get(catalog __c, int __set, int __msgid,
  79                              const string_type& __dfault) const
  80   { return __dfault; }
  81   virtual void        do_close(catalog __c) const
  82   {}
  83 };
  84
  85 #if !defined (_STLP_NO_WCHAR_T)
  86
  87 _STLP_TEMPLATE_NULL
  88 class _STLP_CLASS_DECLSPEC messages<wchar_t> : public locale::facet, public messages_base {
  89 public:
  90   typedef messages_base::catalog catalog;
  91   typedef wchar_t                char_type;
  92   typedef wstring                string_type;
  93
  94   explicit messages(size_t __refs = 0);
  95
  96   inline catalog open(const string& __fn, const locale& __loc) const
  97   { return do_open(__fn, __loc); }
  98   inline string_type get(catalog __c, int __set, int __msgid,
  99                          const string_type& __dfault) const
 100   { return do_get(__c, __set, __msgid, __dfault); }
 101   inline void close(catalog __c) const
 102   { do_close(__c); }
 103
 104   static _STLP_STATIC_DECLSPEC locale::id id;
 105
 106 protected:
 107   ~messages() {}
 108
 109   virtual catalog     do_open(const string& __fn, const locale& __loc) const
 110   { return -1; }
 111   virtual string_type do_get(catalog __c, int __set, int __msgid,
 112                              const string_type& __dfault) const
 113   { return __dfault; }
 114   virtual void        do_close(catalog __c) const
 115   {}
 116 };
 117
 118 #endif
 119
 120 template <class _CharT> class messages_byname {};
 121
 122 _STLP_TEMPLATE_NULL
 123 class _STLP_CLASS_DECLSPEC messages_byname<char> : public messages<char> {
 124   friend class _Locale_impl;
 125 public:
 126   typedef messages_base::catalog catalog;
 127   typedef string     string_type;
 128
 129   explicit messages_byname(const char* __name, size_t __refs = 0);
 130
 131 protected:
 132   ~messages_byname();
 133
 134   virtual catalog     do_open(const string& __fn, const locale& __loc) const;
 135   virtual string_type do_get(catalog __c, int __set, int __msgid,
 136                              const string_type& __dfault) const;
 137   virtual void        do_close(catalog __c) const;
 138
 139 private:
 140   messages_byname(_Locale_messages*);
 141   typedef messages_byname<char> _Self;
 142   //explicitely defined as private to avoid warnings:
 143   messages_byname(_Self const&);
 144   _Self& operator = (_Self const&);
 145
 146   _STLP_PRIV _Messages* _M_impl;
 147 };
 148
 149 #if !defined (_STLP_NO_WCHAR_T)
 150 _STLP_TEMPLATE_NULL
 151 class _STLP_CLASS_DECLSPEC messages_byname<wchar_t> : public messages<wchar_t> {
 152   friend class _Locale_impl;
 153 public:
 154   typedef messages_base::catalog catalog;
 155   typedef wstring                string_type;
 156
 157   explicit messages_byname(const char* __name, size_t __refs = 0);
 158
 159 protected:
 160   ~messages_byname();
 161
 162   virtual catalog     do_open(const string& __fn, const locale& __loc) const;
 163   virtual string_type do_get(catalog __c, int __set, int __msgid,
 164                              const string_type& __dfault) const;
 165   virtual void        do_close(catalog __c) const;
 166
 167 private:
 168   messages_byname(_Locale_messages*);
 169   typedef messages_byname<wchar_t> _Self;
 170   //explicitely defined as private to avoid warnings:
 171   messages_byname(_Self const&);
 172   _Self& operator = (_Self const&);
 173
 174   _STLP_PRIV _Messages* _M_impl;
 175 };
 176 #endif /* WCHAR_T */
 177
 178 _STLP_END_NAMESPACE
 179
 180 #endif /* _STLP_INTERNAL_MESSAGES_H */
 181
 182 // Local Variables:
 183 // mode:C++
 184 // End:
 185