/* * Copyright (c) 1999 * Silicon Graphics Computer Systems, Inc. * * Copyright (c) 1999 * Boris Fomitchev * * This material is provided "as is", with absolutely no warranty expressed * or implied. Any use is at your own risk. * * Permission to use or copy this software for any purpose is hereby granted * without fee, provided the above notices are retained on all copies. * Permission to modify the code and to distribute modified code is granted, * provided the above notices are retained, and a notice that the code was * modified is included with the above copyright notice. * */ #include "stlport_prefix.h" #include <cstdio> #include <locale> #include <istream> #include "c_locale.h" #include "acquire_release.h" _STLP_BEGIN_NAMESPACE _STLP_MOVE_TO_PRIV_NAMESPACE // default "C" values for month and day names const char default_dayname[][14] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}; const char default_monthname[][24] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"}; #ifndef _STLP_NO_WCHAR_T const wchar_t default_wdayname[][14] = { L"Sun", L"Mon", L"Tue", L"Wed", L"Thu", L"Fri", L"Sat", L"Sunday", L"Monday", L"Tuesday", L"Wednesday", L"Thursday", L"Friday", L"Saturday"}; const wchar_t default_wmonthname[][24] = { L"Jan", L"Feb", L"Mar", L"Apr", L"May", L"Jun", L"Jul", L"Aug", L"Sep", L"Oct", L"Nov", L"Dec", L"January", L"February", L"March", L"April", L"May", L"June", L"July", L"August", L"September", L"October", L"November", L"December"}; #endif #if defined (__BORLANDC__) _Time_Info time_init<char>::_M_timeinfo; # ifndef _STLP_NO_WCHAR_T _WTime_Info time_init<wchar_t>::_M_timeinfo; # endif #endif // _Init_time_info: initialize table with // "C" values (note these are not defined in the C standard, so this // is somewhat arbitrary). static void _Init_timeinfo_base(_Time_Info_Base& table) { table._M_time_format = "%H:%M:%S"; table._M_date_format = "%m/%d/%y"; table._M_date_time_format = "%m/%d/%y"; } static void _Init_timeinfo(_Time_Info& table) { int i; for (i = 0; i < 14; ++i) table._M_dayname[i] = default_dayname[i]; for (i = 0; i < 24; ++i) table._M_monthname[i] = default_monthname[i]; table._M_am_pm[0] = "AM"; table._M_am_pm[1] = "PM"; _Init_timeinfo_base(table); } #ifndef _STLP_NO_WCHAR_T static void _Init_timeinfo(_WTime_Info& table) { int i; for (i = 0; i < 14; ++i) table._M_dayname[i] = default_wdayname[i]; for (i = 0; i < 24; ++i) table._M_monthname[i] = default_wmonthname[i]; table._M_am_pm[0] = L"AM"; table._M_am_pm[1] = L"PM"; _Init_timeinfo_base(table); } #endif static void _Init_timeinfo_base(_Time_Info_Base& table, _Locale_time * time) { table._M_time_format = _Locale_t_fmt(time); if ( table._M_time_format == "%T" ) { table._M_time_format = "%H:%M:%S"; } else if ( table._M_time_format == "%r" ) { table._M_time_format = "%I:%M:%S %p"; } else if ( table._M_time_format == "%R" ) { table._M_time_format = "%H:%M"; } table._M_date_format = _Locale_d_fmt(time); table._M_date_time_format = _Locale_d_t_fmt(time); table._M_long_date_format = _Locale_long_d_fmt(time); table._M_long_date_time_format = _Locale_long_d_t_fmt(time); } static void _Init_timeinfo(_Time_Info& table, _Locale_time * time) { int i; for (i = 0; i < 7; ++i) table._M_dayname[i] = _Locale_abbrev_dayofweek(time, i); for (i = 0; i < 7; ++i) table._M_dayname[i+7] = _Locale_full_dayofweek(time, i); for (i = 0; i < 12; ++i) table._M_monthname[i] = _Locale_abbrev_monthname(time, i); for (i = 0; i < 12; ++i) table._M_monthname[i+12] = _Locale_full_monthname(time, i); table._M_am_pm[0] = _Locale_am_str(time); table._M_am_pm[1] = _Locale_pm_str(time); _Init_timeinfo_base(table, time); } #ifndef _STLP_NO_WCHAR_T static void _Init_timeinfo(_WTime_Info& table, _Locale_time * time) { wchar_t buf[128]; int i; for (i = 0; i < 7; ++i) table._M_dayname[i] = _WLocale_abbrev_dayofweek(time, i, _STLP_ARRAY_AND_SIZE(buf)); for (i = 0; i < 7; ++i) table._M_dayname[i+7] = _WLocale_full_dayofweek(time, i, _STLP_ARRAY_AND_SIZE(buf)); for (i = 0; i < 12; ++i) table._M_monthname[i] = _WLocale_abbrev_monthname(time, i, _STLP_ARRAY_AND_SIZE(buf)); for (i = 0; i < 12; ++i) table._M_monthname[i+12] = _WLocale_full_monthname(time, i, _STLP_ARRAY_AND_SIZE(buf)); table._M_am_pm[0] = _WLocale_am_str(time, _STLP_ARRAY_AND_SIZE(buf)); table._M_am_pm[1] = _WLocale_pm_str(time, _STLP_ARRAY_AND_SIZE(buf)); _Init_timeinfo_base(table, time); } #endif template <class _Ch, class _TimeInfo> void __subformat(_STLP_BASIC_IOSTRING(_Ch) &buf, const ctype<_Ch>& ct, const string& format, const _TimeInfo& table, const tm* t) { const char * cp = format.data(); const char * cp_end = cp + format.size(); while (cp != cp_end) { if (*cp == '%') { char mod = 0; ++cp; if (*cp == '#') { mod = *cp; ++cp; } __write_formatted_timeT(buf, ct, *cp++, mod, table, t); } else buf.append(1, *cp++); } } static void __append(__iostring &buf, const string& name) { buf.append(name.data(), name.data() + name.size()); } static void __append(__iowstring &buf, const wstring& name) { buf.append(name.data(), name.data() + name.size()); } static void __append(__iostring &buf, char *first, char *last, const ctype<char>& /* ct */) { buf.append(first, last); } static void __append(__iowstring &buf, char *first, char *last, const ctype<wchar_t>& ct) { wchar_t _wbuf[64]; ct.widen(first, last, _wbuf); buf.append(_wbuf, _wbuf + (last - first)); } #if defined (__GNUC__) /* The number of days from the first day of the first ISO week of this year to the year day YDAY with week day WDAY. ISO weeks start on Monday; the first ISO week has the year's first Thursday. YDAY may be as small as YDAY_MINIMUM. */ # define __ISO_WEEK_START_WDAY 1 /* Monday */ # define __ISO_WEEK1_WDAY 4 /* Thursday */ # define __YDAY_MINIMUM (-366) # define __TM_YEAR_BASE 1900 static int __iso_week_days(int yday, int wday) { /* Add enough to the first operand of % to make it nonnegative. */ int big_enough_multiple_of_7 = (-__YDAY_MINIMUM / 7 + 2) * 7; return (yday - (yday - wday + __ISO_WEEK1_WDAY + big_enough_multiple_of_7) % 7 + __ISO_WEEK1_WDAY - __ISO_WEEK_START_WDAY); } # define __is_leap(year)\ ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) #endif #define __hour12(hour) \ (((hour) % 12 == 0) ? (12) : (hour) % 12) #if !defined (_STLP_USE_SAFE_STRING_FUNCTIONS) # define _STLP_SPRINTF sprintf #else # define _STLP_SPRINTF sprintf_s #endif template <class _Ch, class _TimeInfo> void _STLP_CALL __write_formatted_timeT(_STLP_BASIC_IOSTRING(_Ch) &buf, const ctype<_Ch>& ct, char format, char modifier, const _TimeInfo& table, const tm* t) { char _buf[64]; char *_bend; switch (format) { case 'a': __append(buf, table._M_dayname[t->tm_wday]); break; case 'A': __append(buf, table._M_dayname[t->tm_wday + 7]); break; case 'b': __append(buf, table._M_monthname[t->tm_mon]); break; case 'B': __append(buf, table._M_monthname[t->tm_mon + 12]); break; case 'c': __subformat(buf, ct, (modifier != '#') ? table._M_date_time_format : table._M_long_date_time_format, table, t); break; case 'd': _STLP_SPRINTF(_buf, (modifier != '#') ? "%.2ld" : "%ld", (long)t->tm_mday); __append(buf, _buf, ((long)t->tm_mday < 10L && modifier == '#') ? _buf + 1 : _buf + 2, ct); break; case 'e': _STLP_SPRINTF(_buf, "%2ld", (long)t->tm_mday); __append(buf, _buf, _buf + 2, ct); break; case 'H': _STLP_SPRINTF(_buf, (modifier != '#') ? "%.2ld" : "%ld", (long)t->tm_hour); __append(buf, _buf, ((long)t->tm_hour < 10L && modifier == '#') ? _buf + 1 : _buf + 2, ct); break; case 'I': _STLP_SPRINTF(_buf, (modifier != '#') ? "%.2ld" : "%ld", (long)__hour12(t->tm_hour)); __append(buf, _buf, ((long)__hour12(t->tm_hour) < 10L && modifier == '#') ? _buf + 1 : _buf + 2, ct); break; case 'j': _bend = __write_integer(_buf, 0, (long)((long)t->tm_yday + 1)); __append(buf, _buf, _bend, ct); break; case 'm': _STLP_SPRINTF(_buf, (modifier != '#') ? "%.2ld" : "%ld", (long)t->tm_mon + 1); __append(buf, _buf, ((long)(t->tm_mon + 1) < 10L && modifier == '#') ? _buf + 1 : _buf + 2, ct); break; case 'M': _STLP_SPRINTF(_buf, (modifier != '#') ? "%.2ld" : "%ld", (long)t->tm_min); __append(buf, _buf, ((long)t->tm_min < 10L && modifier == '#') ? _buf + 1 : _buf + 2, ct); break; case 'p': __append(buf, table._M_am_pm[t->tm_hour / 12]); break; case 'S': // pad with zeros _STLP_SPRINTF(_buf, (modifier != '#') ? "%.2ld" : "%ld", (long)t->tm_sec); __append(buf, _buf, ((long)t->tm_sec < 10L && modifier == '#') ? _buf + 1 : _buf + 2, ct); break; case 'U': _bend = __write_integer(_buf, 0, long((t->tm_yday - t->tm_wday + 7) / 7)); __append(buf, _buf, _bend, ct); break; case 'w': _bend = __write_integer(_buf, 0, (long)t->tm_wday); __append(buf, _buf, _bend, ct); break; case 'W': _bend = __write_integer(_buf, 0, (long)(t->tm_wday == 0 ? (t->tm_yday + 1) / 7 : (t->tm_yday + 8 - t->tm_wday) / 7)); __append(buf, _buf, _bend, ct); break; case'x': __subformat(buf, ct, (modifier != '#') ? table._M_date_format : table._M_long_date_format, table, t); break; case 'X': __subformat(buf, ct, table._M_time_format, table, t); break; case 'y': _bend = __write_integer(_buf, 0, (long)((long)(t->tm_year + 1900) % 100)); __append(buf, _buf, _bend, ct); break; case 'Y': _bend = __write_integer(_buf, 0, (long)((long)t->tm_year + 1900)); __append(buf, _buf, _bend, ct); break; case '%': buf.append(1, ct.widen('%')); break; #if defined (__GNUC__) // fbp : at least on SUN # if defined (_STLP_UNIX) && !defined (__linux__) # define __USE_BSD 1 # endif /********************************************* * JGS, handle various extensions * *********************************************/ case 'h': /* POSIX.2 extension */ // same as 'b', abbrev month name __append(buf, table._M_monthname[t->tm_mon]); break; case 'C': /* POSIX.2 extension */ // same as 'd', the day _STLP_SPRINTF(_buf, "%2ld", (long)t->tm_mday); __append(buf, _buf, _buf + 2, ct); break; case 'D': /* POSIX.2 extension */ // same as 'x' __subformat(buf, ct, table._M_date_format, table, t); break; case 'k': /* GNU extension */ _STLP_SPRINTF(_buf, "%2ld", (long)t->tm_hour); __append(buf, _buf, _buf + 2, ct); break; case 'l': /* GNU extension */ _STLP_SPRINTF(_buf, "%2ld", (long)t->tm_hour % 12); __append(buf, _buf, _buf + 2, ct); break; case 'n': /* POSIX.2 extension */ buf.append(1, ct.widen('\n')); break; case 'R': /* GNU extension */ __subformat(buf, ct, "%H:%M", table, t); break; case 'r': /* POSIX.2 extension */ __subformat(buf, ct, "%I:%M:%S %p", table, t); break; case 'T': /* POSIX.2 extension. */ __subformat(buf, ct, "%H:%M:%S", table, t); break; case 't': /* POSIX.2 extension. */ buf.append(1, ct.widen('\t')); case 'u': /* POSIX.2 extension. */ _bend = __write_integer(_buf, 0, long((t->tm_wday - 1 + 7)) % 7 + 1); __append(buf, _buf, _bend, ct); break; case 's': { time_t __t = mktime(__CONST_CAST(tm*, t)); _bend = __write_integer(_buf, 0, (long)__t ); __append(buf, _buf, _bend, ct); break; } case 'g': /* GNU extension */ case 'G': { int year = t->tm_year + __TM_YEAR_BASE; int days = __iso_week_days (t->tm_yday, t->tm_wday); if (days < 0) { /* This ISO week belongs to the previous year. */ year--; days = __iso_week_days (t->tm_yday + (365 + __is_leap (year)), t->tm_wday); } else { int d = __iso_week_days (t->tm_yday - (365 + __is_leap (year)), t->tm_wday); if (0 <= d) { /* This ISO week belongs to the next year. */ ++year; days = d; } } long val; switch (format) { case 'g': val = (long)(year % 100 + 100) % 100; break; case 'G': val = (long)year; break; default: val = (long)days / 7 + 1; break; } _bend = __write_integer(_buf, 0, val); __append(buf, _buf, _bend, ct); break; } # if defined (_STLP_USE_GLIBC) case 'z': /* GNU extension. */ if (t->tm_isdst < 0) break; { int diff; # if defined (__USE_BSD) || defined (__BEOS__) diff = t->tm_gmtoff; # else diff = t->__tm_gmtoff; # endif if (diff < 0) { buf.append(1, ct.widen('-')); diff = -diff; } else buf.append(1, ct.widen('+')); diff /= 60; _STLP_SPRINTF(_buf, "%.4d", (diff / 60) * 100 + diff % 60); __append(buf, _buf, _buf + 4, ct); break; } # endif /* __GLIBC__ */ #endif /* __GNUC__ */ default: break; } } void _STLP_CALL __write_formatted_time(__iostring &buf, const ctype<char>& ct, char format, char modifier, const _Time_Info& table, const tm* t) { __write_formatted_timeT(buf, ct, format, modifier, table, t); } void _STLP_CALL __write_formatted_time(__iowstring &buf, const ctype<wchar_t>& ct, char format, char modifier, const _WTime_Info& table, const tm* t) { __write_formatted_timeT(buf, ct, format, modifier, table, t); } static time_base::dateorder __get_date_order(_Locale_time* time) { const char * fmt = _Locale_d_fmt(time); char first, second, third; while (*fmt != 0 && *fmt != '%') ++fmt; if (*fmt == 0) return time_base::no_order; first = *++fmt; while (*fmt != 0 && *fmt != '%') ++fmt; if (*fmt == 0) return time_base::no_order; second = *++fmt; while (*fmt != 0 && *fmt != '%') ++fmt; if (*fmt == 0) return time_base::no_order; third = *++fmt; switch (first) { case 'd': return (second == 'm' && third == 'y') ? time_base::dmy : time_base::no_order; case 'm': return (second == 'd' && third == 'y') ? time_base::mdy : time_base::no_order; case 'y': switch (second) { case 'd': return third == 'm' ? time_base::ydm : time_base::no_order; case 'm': return third == 'd' ? time_base::ymd : time_base::no_order; default: return time_base::no_order; } default: return time_base::no_order; } } time_init<char>::time_init() : _M_dateorder(time_base::no_order) { _Init_timeinfo(_M_timeinfo); } time_init<char>::time_init(const char* __name) { if (!__name) locale::_M_throw_on_null_name(); int __err_code; char buf[_Locale_MAX_SIMPLE_NAME]; _Locale_time *__time = __acquire_time(__name, buf, 0, &__err_code); if (!__time) locale::_M_throw_on_creation_failure(__err_code, __name, "time"); _Init_timeinfo(this->_M_timeinfo, __time); _M_dateorder = __get_date_order(__time); __release_time(__time); } time_init<char>::time_init(_Locale_time *__time) { _Init_timeinfo(this->_M_timeinfo, __time); _M_dateorder = __get_date_order(__time); } #ifndef _STLP_NO_WCHAR_T time_init<wchar_t>::time_init() : _M_dateorder(time_base::no_order) { _Init_timeinfo(_M_timeinfo); } time_init<wchar_t>::time_init(const char* __name) { if (!__name) locale::_M_throw_on_null_name(); int __err_code; char buf[_Locale_MAX_SIMPLE_NAME]; _Locale_time *__time = __acquire_time(__name, buf, 0, &__err_code); if (!__time) locale::_M_throw_on_creation_failure(__err_code, __name, "time"); _Init_timeinfo(this->_M_timeinfo, __time); _M_dateorder = __get_date_order(__time); __release_time(__time); } time_init<wchar_t>::time_init(_Locale_time *__time) { _Init_timeinfo(this->_M_timeinfo, __time); _M_dateorder = __get_date_order(__time); } #endif _STLP_MOVE_TO_STD_NAMESPACE #if !defined (_STLP_NO_FORCE_INSTANTIATE) template class time_get<char, istreambuf_iterator<char, char_traits<char> > >; template class time_put<char, ostreambuf_iterator<char, char_traits<char> > >; # ifndef _STLP_NO_WCHAR_T template class time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >; template class time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >; # endif #endif _STLP_END_NAMESPACE