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 // WARNING: This is an internal header file, included by other C++
19 // standard library headers.  You should not attempt to use this header
20 // file directly.
21 
22 
23 #ifndef _STLP_INTERNAL_TIME_FACETS_H
24 #define _STLP_INTERNAL_TIME_FACETS_H
25 
26 #ifndef _STLP_INTERNAL_CTIME
27 #  include <stl/_ctime.h>                // Needed (for struct tm) by time facets
28 #endif
29 
30 #ifndef _STLP_C_LOCALE_H
31 #  include <stl/c_locale.h>
32 #endif
33 
34 #ifndef _STLP_IOS_BASE_H
35 #  include <stl/_ios_base.h>
36 #endif
37 
38 #ifndef _STLP_INTERNAL_IOSTREAM_STRING_H
39 #  include <stl/_iostream_string.h>
40 #endif
41 
42 #ifndef _STLP_FACETS_FWD_H
43 #  include <stl/_facets_fwd.h>
44 #endif
45 
46 _STLP_BEGIN_NAMESPACE
47 
48 _STLP_MOVE_TO_PRIV_NAMESPACE
49 
50 // Template functions used by time_get
51 
52 /* Both time_get and time_put need a structure of type _Time_Info
53  * to provide names and abbreviated names for months and days,
54  * as well as the am/pm designator.  The month and weekday tables
55  * have the all the abbreviated names before all the full names.
56  * The _Time_Info tables are initialized using the non-template
57  * time_base class, which has a default constructor and two protected.
58  * The default one initialize _Time_Info with "C" time info. The
59  * protected initialize _time_Info using a _Locale_time instance
60  * or using a name( in fact the name is used to build a _Locale_time
61  * instance that is then used for initialization). */
62 
63 class _STLP_CLASS_DECLSPEC _Time_Info_Base {
64 public:
65   string _M_time_format;
66   string _M_date_format;
67   string _M_date_time_format;
68   string _M_long_date_format;
69   string _M_long_date_time_format;
70 };
71 
72 class _STLP_CLASS_DECLSPEC _Time_Info : public _Time_Info_Base {
73 public:
74   string _M_dayname[14];
75   string _M_monthname[24];
76   string _M_am_pm[2];
77 };
78 
79 #ifndef _STLP_NO_WCHAR_T
80 class _STLP_CLASS_DECLSPEC _WTime_Info : public _Time_Info_Base {
81 public:
82   wstring _M_dayname[14];
83   wstring _M_monthname[24];
84   wstring _M_am_pm[2];
85 };
86 #endif
87 
88 _STLP_MOVE_TO_STD_NAMESPACE
89 
90 class _STLP_CLASS_DECLSPEC time_base {
91 public:
92   enum dateorder {no_order, dmy, mdy, ymd, ydm};
93 };
94 
95 _STLP_MOVE_TO_PRIV_NAMESPACE
96 
97 template <class _Ch>
98 class time_init;
99 
100 _STLP_TEMPLATE_NULL
101 class _STLP_CLASS_DECLSPEC time_init<char> {
102 protected:
103   time_init();
104   time_init(const char *name);
105   time_init(_Locale_time*);
106 #if defined (__BORLANDC__)
107   static
108 #endif
109   _Time_Info _M_timeinfo;
110   time_base::dateorder _M_dateorder;
111 };
112 
113 #ifndef _STLP_NO_WCHAR_T
114 _STLP_TEMPLATE_NULL
115 class _STLP_CLASS_DECLSPEC time_init<wchar_t> {
116 protected:
117   time_init();
118   time_init(const char *name);
119   time_init(_Locale_time*);
120 #if defined (__BORLANDC__)
121   static
122 #endif
123   _WTime_Info _M_timeinfo;
124   time_base::dateorder _M_dateorder;
125 };
126 #endif
127 
128 _STLP_MOVE_TO_STD_NAMESPACE
129 
130 template <class _Ch, class _InIt>
131 class time_get : public locale::facet, public time_base, public _STLP_PRIV time_init<_Ch> {
132 public:
133   typedef _Ch   char_type;
134   typedef _InIt iter_type;
135 
facet(__refs)136   explicit time_get(size_t __refs = 0) : locale::facet(__refs)
137   {}
138 
date_order()139   dateorder date_order() const { return do_date_order(); }
get_time(iter_type __s,iter_type __end,ios_base & __str,ios_base::iostate & __err,tm * __t)140   iter_type get_time(iter_type __s, iter_type  __end, ios_base&  __str,
141                      ios_base::iostate&  __err, tm* __t) const
142   { return do_get_time(__s,  __end,  __str,  __err, __t); }
get_date(iter_type __s,iter_type __end,ios_base & __str,ios_base::iostate & __err,tm * __t)143   iter_type get_date(iter_type __s, iter_type  __end, ios_base&  __str,
144                      ios_base::iostate&  __err, tm* __t) const
145   { return do_get_date(__s,  __end,  __str,  __err, __t); }
get_weekday(iter_type __s,iter_type __end,ios_base & __str,ios_base::iostate & __err,tm * __t)146   iter_type get_weekday(iter_type __s, iter_type  __end, ios_base&  __str,
147                         ios_base::iostate&  __err, tm* __t) const
148   { return do_get_weekday(__s,  __end,  __str,  __err, __t); }
get_monthname(iter_type __s,iter_type __end,ios_base & __str,ios_base::iostate & __err,tm * __t)149   iter_type get_monthname(iter_type __s, iter_type  __end, ios_base&  __str,
150                           ios_base::iostate&  __err, tm* __t) const
151   { return do_get_monthname(__s,  __end,  __str,  __err, __t); }
get_year(iter_type __s,iter_type __end,ios_base & __str,ios_base::iostate & __err,tm * __t)152   iter_type get_year(iter_type __s, iter_type  __end, ios_base&  __str,
153                      ios_base::iostate&  __err, tm* __t) const
154   { return do_get_year(__s,  __end,  __str,  __err, __t); }
155 
156   static locale::id id;
157 
158 protected:
time_get(const char * __name,size_t __refs)159   time_get(const char* __name, size_t __refs)
160     : locale::facet(__refs), _STLP_PRIV time_init<_Ch>(__name)
161   {}
time_get(_Locale_time * __time)162   time_get(_Locale_time *__time)
163     : _STLP_PRIV time_init<_Ch>(__time)
164   {}
165 
~time_get()166   ~time_get() {}
167 
do_date_order()168   virtual dateorder do_date_order() const { return this->_M_dateorder; }
169 
170   virtual iter_type do_get_time(iter_type __s, iter_type  __end,
171                                 ios_base&, ios_base::iostate&  __err,
172                                 tm* __t) const;
173 
174   virtual iter_type do_get_date(iter_type __s, iter_type  __end,
175                                 ios_base&, ios_base::iostate& __err,
176                                 tm* __t) const;
177 
178   virtual iter_type do_get_weekday(iter_type __s, iter_type  __end,
179                                    ios_base&,
180                                    ios_base::iostate& __err,
181                                    tm* __t) const;
182   virtual iter_type do_get_monthname(iter_type __s, iter_type  __end,
183                                      ios_base&,
184                                      ios_base::iostate& __err,
185                                      tm* __t) const;
186 
187   virtual iter_type do_get_year(iter_type __s, iter_type  __end,
188                                 ios_base&, ios_base::iostate& __err,
189                                 tm* __t) const;
190 };
191 
192 #if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
193 template <class _Ch, class _InIt>
194 #else
195 template <class _Ch, class _InIt = istreambuf_iterator<_Ch, char_traits<_Ch> > >
196 #endif
197 class time_get_byname : public time_get<_Ch, _InIt> {
198   friend class _Locale_impl;
199 public:
200   typedef  time_base::dateorder dateorder;
201   typedef _InIt                 iter_type;
202 
203   explicit time_get_byname(const char* __name, size_t __refs = 0)
204     : time_get<_Ch, _InIt>(__name, __refs) {}
205 
206 protected:
~time_get_byname()207   ~time_get_byname() {}
do_date_order()208   dateorder do_date_order() const { return this->_M_dateorder; }
209 
210 private:
time_get_byname(_Locale_time * __time)211   time_get_byname(_Locale_time *__time)
212     : time_get<_Ch, _InIt>(__time)
213   {}
214 
215   typedef time_get_byname<_Ch, _InIt> _Self;
216   //explicitely defined as private to avoid warnings:
217   time_get_byname(_Self const&);
218   _Self& operator = (_Self const&);
219 };
220 
221 // time_put facet
222 
223 // For the formats 'x, 'X', and 'c', do_put calls the first form of
224 // put with the pattern obtained from _M_timeinfo._M_date_format or
225 // _M_timeinfo._M_time_format.
226 
227 // Helper function:  __  takes a single-character
228 // format.  As indicated by the foregoing remark, this will never be
229 // 'x', 'X', or 'c'.
230 
231 _STLP_MOVE_TO_PRIV_NAMESPACE
232 
233 _STLP_DECLSPEC void _STLP_CALL
234 __write_formatted_time(__iostring&, const ctype<char>& __ct,
235                        char __format, char __modifier,
236                        const _Time_Info& __table, const tm* __t);
237 
238 #ifndef _STLP_NO_WCHAR_T
239 _STLP_DECLSPEC void _STLP_CALL
240 __write_formatted_time(__iowstring&, const ctype<wchar_t>& __ct,
241                        char __format, char __modifier,
242                        const _WTime_Info& __table, const tm* __t);
243 #endif
244 
245 _STLP_MOVE_TO_STD_NAMESPACE
246 
247 template <class _Ch, class _OutIt>
248 class time_put : public locale::facet, public time_base, public _STLP_PRIV time_init<_Ch> {
249 public:
250   typedef _Ch      char_type;
251   typedef _OutIt iter_type;
252 
facet(__refs)253   explicit time_put(size_t __refs = 0) : locale::facet(__refs)
254   {}
255 
256   _OutIt put(iter_type __s, ios_base& __f, _Ch __fill,
257                   const tm* __tmb,
258                   const _Ch* __pat, const _Ch* __pat_end) const;
259 
260   _OutIt put(iter_type __s, ios_base& __f, _Ch  __fill,
261                   const tm* __tmb, char __format, char __modifier = 0) const
262   { return do_put(__s, __f,  __fill, __tmb, __format, __modifier); }
263 
264   static locale::id id;
265 
266 protected:
time_put(const char * __name,size_t __refs)267   time_put(const char* __name, size_t __refs)
268     : locale::facet(__refs), _STLP_PRIV time_init<_Ch>(__name)
269   {}
time_put(_Locale_time * __time)270   time_put(_Locale_time *__time)
271     : _STLP_PRIV time_init<_Ch>(__time)
272   {}
~time_put()273   ~time_put() {}
274   virtual iter_type do_put(iter_type __s, ios_base& __f,
275                            char_type  /* __fill */, const tm* __tmb,
276                            char __format, char /* __modifier */) const;
277 };
278 
279 #if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
280 template <class _Ch, class _OutIt>
281 #else
282 template <class _Ch, class _OutIt = ostreambuf_iterator<_Ch, char_traits<_Ch> > >
283 #endif
284 class time_put_byname : public time_put<_Ch, _OutIt> {
285   friend class _Locale_impl;
286 public:
287   typedef time_base::dateorder dateorder;
288   typedef _OutIt iter_type;
289   typedef _Ch   char_type;
290 
291   explicit time_put_byname(const char * __name, size_t __refs = 0)
292     : time_put<_Ch, _OutIt>(__name, __refs)
293   {}
294 
295 protected:
~time_put_byname()296   ~time_put_byname() {}
297 
298 private:
time_put_byname(_Locale_time * __time)299   time_put_byname(_Locale_time *__time)
300     : time_put<_Ch, _OutIt>(__time)
301   {}
302 
303   typedef time_put_byname<_Ch, _OutIt> _Self;
304   //explicitely defined as private to avoid warnings:
305   time_put_byname(_Self const&);
306   _Self& operator = (_Self const&);
307 };
308 
309 #if defined (_STLP_USE_TEMPLATE_EXPORT)
310 _STLP_EXPORT_TEMPLATE_CLASS time_get<char, istreambuf_iterator<char, char_traits<char> > >;
311 _STLP_EXPORT_TEMPLATE_CLASS time_put<char, ostreambuf_iterator<char, char_traits<char> > >;
312 #  if !defined (_STLP_NO_WCHAR_T)
313 _STLP_EXPORT_TEMPLATE_CLASS time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >;
314 _STLP_EXPORT_TEMPLATE_CLASS time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >;
315 #  endif
316 
317 #endif
318 
319 _STLP_END_NAMESPACE
320 
321 #if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) && !defined (_STLP_LINK_TIME_INSTANTIATION)
322 #  include <stl/_time_facets.c>
323 #endif
324 
325 #endif /* _STLP_INTERNAL_TIME_FACETS_H */
326 
327 // Local Variables:
328 // mode:C++
329 // End:
330