/home/ntakagi/work/STLport-5.1.5/stlport/stl/_numpunct.h Source File

00001 /*
00002  * Copyright (c) 1999
00003  * Silicon Graphics Computer Systems, Inc.
00004  *
00005  * Copyright (c) 1999
00006  * Boris Fomitchev
00007  *
00008  * This material is provided "as is", with absolutely no warranty expressed
00009  * or implied. Any use is at your own risk.
00010  *
00011  * Permission to use or copy this software for any purpose is hereby granted
00012  * without fee, provided the above notices are retained on all copies.
00013  * Permission to modify the code and to distribute modified code is granted,
00014  * provided the above notices are retained, and a notice that the code was
00015  * modified is included with the above copyright notice.
00016  *
00017  */
00018 // WARNING: This is an internal header file, included by other C++
00019 // standard library headers.  You should not attempt to use this header
00020 // file directly.
00021 
00022 
00023 #ifndef _STLP_INTERNAL_NUMPUNCT_H
00024 #define _STLP_INTERNAL_NUMPUNCT_H
00025 
00026 #ifndef _STLP_IOS_BASE_H
00027 # include <stl/_ios_base.h>
00028 #endif
00029 
00030 # ifndef _STLP_C_LOCALE_H
00031 #  include <stl/c_locale.h>
00032 # endif
00033 
00034 #ifndef _STLP_INTERNAL_STRING_H
00035 # include <stl/_string.h>
00036 #endif
00037 
00038 _STLP_BEGIN_NAMESPACE
00039 
00040 //----------------------------------------------------------------------
00041 // numpunct facets
00042 
00043 template <class _CharT> class numpunct {};
00044 template <class _CharT> class numpunct_byname {};
00045 template <class _Ch, class _InIt> class num_get;
00046 
00047 _STLP_TEMPLATE_NULL
00048 class _STLP_CLASS_DECLSPEC numpunct<char> : public locale::facet
00049 {
00050   friend class _Locale_impl;
00051 
00052 #ifndef _STLP_NO_FRIEND_TEMPLATES
00053   template <class _Ch, class _InIt> friend class num_get;
00054 #endif
00055 public:
00056   typedef char               char_type;
00057   typedef string             string_type;
00058 
00059   explicit numpunct(size_t __refs = 0)
00060     : locale::facet(__refs), _M_truename("true"), _M_falsename("false") {}
00061 
00062   char decimal_point() const { return do_decimal_point(); }
00063   char thousands_sep() const { return do_thousands_sep(); }
00064   string grouping() const { return do_grouping(); }
00065   string truename() const { return do_truename(); }
00066   string falsename() const { return do_falsename(); }
00067 
00068   static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
00069 
00070 #ifndef _STLP_NO_FRIEND_TEMPLATES
00071 protected:
00072 #endif
00073   ~numpunct();
00074 
00075   string  _M_truename;
00076   string  _M_falsename;
00077   string  _M_grouping;
00078 
00079   virtual char do_decimal_point() const;
00080   virtual char do_thousands_sep() const;
00081   virtual string do_grouping() const;
00082   virtual string do_truename() const;
00083   virtual string do_falsename()  const;
00084 };
00085 
00086 # if ! defined (_STLP_NO_WCHAR_T)
00087 
00088 _STLP_TEMPLATE_NULL
00089 class _STLP_CLASS_DECLSPEC numpunct<wchar_t> : public locale::facet
00090 {
00091   friend class _Locale_impl;
00092 public:
00093   typedef wchar_t               char_type;
00094   typedef wstring               string_type;
00095 
00096   explicit numpunct(size_t __refs = 0)
00097     : locale::facet(__refs), _M_truename(L"true"), _M_falsename(L"false") {}
00098 
00099   wchar_t decimal_point() const { return do_decimal_point(); }
00100   wchar_t thousands_sep() const { return do_thousands_sep(); }
00101   string grouping() const { return do_grouping(); }
00102   wstring truename() const { return do_truename(); }
00103   wstring falsename() const { return do_falsename(); }
00104 
00105   static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
00106 
00107 protected:
00108   wstring _M_truename;
00109   wstring _M_falsename;
00110   string _M_grouping;
00111 
00112   ~numpunct();
00113 
00114   virtual wchar_t do_decimal_point() const;
00115   virtual wchar_t do_thousands_sep() const;
00116   virtual string do_grouping() const;
00117   virtual wstring do_truename() const;
00118   virtual wstring do_falsename()  const;
00119 };
00120 
00121 # endif /* WCHAR_T */
00122 
00123 _STLP_TEMPLATE_NULL
00124 class _STLP_CLASS_DECLSPEC numpunct_byname<char> : public numpunct<char> {
00125 public:
00126   typedef char                char_type;
00127   typedef string              string_type;
00128 
00129   explicit numpunct_byname(const char* __name, size_t __refs = 0, _Locale_name_hint* __hint = 0);
00130 
00131 protected:
00132 
00133   ~numpunct_byname();
00134 
00135   virtual char   do_decimal_point() const;
00136   virtual char   do_thousands_sep() const;
00137   virtual string do_grouping()      const;
00138 
00139 private:
00140   _Locale_numeric* _M_numeric;
00141 
00142   //explicitely defined as private to avoid warnings:
00143   typedef numpunct_byname<char> _Self;
00144   numpunct_byname(_Self const&);
00145   _Self& operator = (_Self const&);
00146   friend _Locale_name_hint* _Locale_extract_hint(numpunct_byname<char>*);
00147 };
00148 
00149 # ifndef _STLP_NO_WCHAR_T
00150 _STLP_TEMPLATE_NULL
00151 class _STLP_CLASS_DECLSPEC numpunct_byname<wchar_t>: public numpunct<wchar_t> {
00152 public:
00153   typedef wchar_t               char_type;
00154   typedef wstring               string_type;
00155 
00156   explicit numpunct_byname(const char* __name, size_t __refs = 0, _Locale_name_hint* __hint = 0);
00157 
00158 protected:
00159 
00160   ~numpunct_byname();
00161 
00162   virtual wchar_t   do_decimal_point() const;
00163   virtual wchar_t   do_thousands_sep() const;
00164   virtual string do_grouping() const;
00165 
00166 private:
00167   _Locale_numeric* _M_numeric;
00168 
00169   //explicitely defined as private to avoid warnings:
00170   typedef numpunct_byname<wchar_t> _Self;
00171   numpunct_byname(_Self const&);
00172   _Self& operator = (_Self const&);
00173 };
00174 
00175 # endif /* WCHAR_T */
00176 
00177 _STLP_END_NAMESPACE
00178 
00179 #endif /* _STLP_NUMPUNCT_H */
00180 
00181 // Local Variables:
00182 // mode:C++
00183 // End:
00184