X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4676948b6814c97b93c431a8cbcd8c0352c87ba9..7e02be855d14263c996448bdb56c9e1002ad9b53:/src/msw/wince/time.cpp?ds=inline diff --git a/src/msw/wince/time.cpp b/src/msw/wince/time.cpp index 99814647fa..672e51780f 100644 --- a/src/msw/wince/time.cpp +++ b/src/msw/wince/time.cpp @@ -1,11 +1,11 @@ ///////////////////////////////////////////////////////////////////////////// // Name: src/msw/wince/time.cpp // Purpose: Implements missing time functionality for WinCE -// Author: -// Modified by: -// Created: 2003-07-10 -// RCS-ID: $Id$ -// Copyright: +// Author: Marco Cavallini (MCK) - wx@koansoftware.com +// Modified by: +// Created: 31-08-2003 +// RCS-ID: +// Copyright: (c) Marco Cavallini // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,10 +17,6 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "window.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -29,104 +25,713 @@ #endif #ifndef WX_PRECOMP - #include - #include "wx/msw/winundef.h" + #include "wx/msw/wrapwin.h" #endif #include "wx/msw/wince/time.h" -long timezone = 0; +///////////////////////////////////////////////////////////////////////////////////////////// +// // +// strftime() - taken from OpenBSD // +// // +///////////////////////////////////////////////////////////////////////////////////////////// + +#define IN_NONE 0 +#define IN_SOME 1 +#define IN_THIS 2 +#define IN_ALL 3 +#define CHAR_BIT 8 + +#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) +#define TYPE_SIGNED(type) (((type) -1) < 0) + +#define INT_STRLEN_MAXIMUM(type) \ + ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type)) + +#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0)) + +#define MONSPERYEAR 12 +#define DAYSPERWEEK 7 +#define TM_YEAR_BASE 1900 +#define HOURSPERDAY 24 +#define DAYSPERNYEAR 365 +#define DAYSPERLYEAR 366 + +static char wildabbr[] = "WILDABBR"; + +char * tzname[2] = { + wildabbr, + wildabbr +}; + + +#define Locale (&C_time_locale) + +struct lc_time_T { + const char * mon[MONSPERYEAR]; + const char * month[MONSPERYEAR]; + const char * wday[DAYSPERWEEK]; + const char * weekday[DAYSPERWEEK]; + const char * X_fmt; + const char * x_fmt; + const char * c_fmt; + const char * am; + const char * pm; + const char * date_fmt; +}; -// Hint: use GetSystemTime() +static const struct lc_time_T C_time_locale = { + { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" + }, { + "January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December" + }, { + "Sun", "Mon", "Tue", "Wed", + "Thu", "Fri", "Sat" + }, { + "Sunday", "Monday", "Tuesday", "Wednesday", + "Thursday", "Friday", "Saturday" + }, -struct tm * __cdecl localtime(const time_t *) + /* X_fmt */ + "%H:%M:%S", + + /* + ** x_fmt + ** C99 requires this format. + ** Using just numbers (as here) makes Quakers happier; + ** it's also compatible with SVR4. + */ + "%m/%d/%y", + + /* + ** c_fmt + ** C99 requires this format. + ** Previously this code used "%D %X", but we now conform to C99. + ** Note that + ** "%a %b %d %H:%M:%S %Y" + ** is used by Solaris 2.3. + */ + "%a %b %e %T %Y", + + /* am */ + "AM", + + /* pm */ + "PM", + + /* date_fmt */ + "%a %b %e %H:%M:%S %Z %Y" +}; + + +static char * +_add(const char * str, char * pt, const char * const ptlim) { - // TODO - return NULL; - - // Possible implementation -#if 0 - // Localtime for WinCE - // By martin brown (mpatalberta@yahoo.com) - // This is really stupid, converting FILETIME to timeval back and - // forth. It assumes FILETIME and DWORDLONG are the same structure - // internally. - - TIME_ZONE_INFORMATION pTz; - - const unsigned short int __mon_yday[2][13] = - { - /* Normal years. */ - { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }, - /* Leap years. */ - { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } - }; - - - ULARGE_INTEGER _100ns; - ::GetTimeZoneInformation(&pTz); - - // FIXME - _100ns.QuadPart = (DWORDLONG) *t * 10000 * 1000 /* + ACE_Time_Value::FILETIME_to_timval_skew */; - FILETIME file_time; - file_time.dwLowDateTime = _100ns.LowPart; - file_time.dwHighDateTime = _100ns.HighPart; - - FILETIME localtime; - SYSTEMTIME systime; - FileTimeToLocalFileTime (&file_time, &localtime); - FileTimeToSystemTime (&localtime, &systime); - - res->tm_hour = systime.wHour; - - if(pTz.DaylightBias!=0) - { - res->tm_isdst = 1; - } - else - { - res->tm_isdst = 1; - } - - int iLeap; - iLeap = (res->tm_year % 4 == 0 && (res->tm_year% 100 != 0 || res->tm_year % 400 == 0)); - // based on leap select which group to use - - res->tm_mday = systime.wDay; - res->tm_min = systime.wMinute; - res->tm_mon = systime.wMonth; - res->tm_sec = systime.wSecond; - res->tm_wday = systime.wDayOfWeek; - res->tm_yday = __mon_yday[iLeap][systime.wMonth] + systime.wDay; - res->tm_year = systime.wYear;// this the correct year but bias the value to start at the 1900 - res->tm_year = res->tm_year - 1900; - - return res; -#endif + while (pt < ptlim && (*pt = *str++) != '\0') + ++pt; + return pt; +} + + +static char * +_conv(const int n, const char * const format, char * const pt, const char * const ptlim) +{ + char buf[INT_STRLEN_MAXIMUM(int) + 1]; + + (void) _snprintf(buf, sizeof buf, format, n); + return _add(buf, pt, ptlim); +} + + +static char * +_fmt(const char * format, const struct tm * const t, char * pt, const char * const ptlim, int * warnp) +{ + for ( ; *format; ++format) { + if (*format == '%') { +label: + switch (*++format) { + case '\0': + --format; + break; + case 'A': + pt = _add((t->tm_wday < 0 || + t->tm_wday >= DAYSPERWEEK) ? + "?" : Locale->weekday[t->tm_wday], + pt, ptlim); + continue; + case 'a': + pt = _add((t->tm_wday < 0 || + t->tm_wday >= DAYSPERWEEK) ? + "?" : Locale->wday[t->tm_wday], + pt, ptlim); + continue; + case 'B': + pt = _add((t->tm_mon < 0 || + t->tm_mon >= MONSPERYEAR) ? + "?" : Locale->month[t->tm_mon], + pt, ptlim); + continue; + case 'b': + case 'h': + pt = _add((t->tm_mon < 0 || + t->tm_mon >= MONSPERYEAR) ? + "?" : Locale->mon[t->tm_mon], + pt, ptlim); + continue; + case 'C': + /* + ** %C used to do a... + ** _fmt("%a %b %e %X %Y", t); + ** ...whereas now POSIX 1003.2 calls for + ** something completely different. + ** (ado, 1993-05-24) + */ + pt = _conv((t->tm_year + TM_YEAR_BASE) / 100, + "%02d", pt, ptlim); + continue; + case 'c': + { + int warn2 = IN_SOME; + + pt = _fmt(Locale->c_fmt, t, pt, ptlim, warnp); + if (warn2 == IN_ALL) + warn2 = IN_THIS; + if (warn2 > *warnp) + *warnp = warn2; + } + continue; + case 'D': + pt = _fmt("%m/%d/%y", t, pt, ptlim, warnp); + continue; + case 'd': + pt = _conv(t->tm_mday, "%02d", pt, ptlim); + continue; + case 'E': + case 'O': + /* + ** C99 locale modifiers. + ** The sequences + ** %Ec %EC %Ex %EX %Ey %EY + ** %Od %oe %OH %OI %Om %OM + ** %OS %Ou %OU %OV %Ow %OW %Oy + ** are supposed to provide alternate + ** representations. + */ + goto label; + case 'e': + pt = _conv(t->tm_mday, "%2d", pt, ptlim); + continue; + case 'F': + pt = _fmt("%Y-%m-%d", t, pt, ptlim, warnp); + continue; + case 'H': + pt = _conv(t->tm_hour, "%02d", pt, ptlim); + continue; + case 'I': + pt = _conv((t->tm_hour % 12) ? + (t->tm_hour % 12) : 12, + "%02d", pt, ptlim); + continue; + case 'j': + pt = _conv(t->tm_yday + 1, "%03d", pt, ptlim); + continue; + case 'k': + /* + ** This used to be... + ** _conv(t->tm_hour % 12 ? + ** t->tm_hour % 12 : 12, 2, ' '); + ** ...and has been changed to the below to + ** match SunOS 4.1.1 and Arnold Robbins' + ** strftime version 3.0. That is, "%k" and + ** "%l" have been swapped. + ** (ado, 1993-05-24) + */ + pt = _conv(t->tm_hour, "%2d", pt, ptlim); + continue; +#ifdef KITCHEN_SINK + case 'K': + /* + ** After all this time, still unclaimed! + */ + pt = _add("kitchen sink", pt, ptlim); + continue; +#endif /* defined KITCHEN_SINK */ + case 'l': + /* + ** This used to be... + ** _conv(t->tm_hour, 2, ' '); + ** ...and has been changed to the below to + ** match SunOS 4.1.1 and Arnold Robbin's + ** strftime version 3.0. That is, "%k" and + ** "%l" have been swapped. + ** (ado, 1993-05-24) + */ + pt = _conv((t->tm_hour % 12) ? + (t->tm_hour % 12) : 12, + "%2d", pt, ptlim); + continue; + case 'M': + pt = _conv(t->tm_min, "%02d", pt, ptlim); + continue; + case 'm': + pt = _conv(t->tm_mon + 1, "%02d", pt, ptlim); + continue; + case 'n': + pt = _add("\n", pt, ptlim); + continue; + case 'p': + pt = _add((t->tm_hour >= (HOURSPERDAY / 2)) ? + Locale->pm : + Locale->am, + pt, ptlim); + continue; + case 'R': + pt = _fmt("%H:%M", t, pt, ptlim, warnp); + continue; + case 'r': + pt = _fmt("%I:%M:%S %p", t, pt, ptlim, warnp); + continue; + case 'S': + pt = _conv(t->tm_sec, "%02d", pt, ptlim); + continue; + case 's': + { + struct tm tm; + char buf[INT_STRLEN_MAXIMUM( + time_t) + 1]; + time_t mkt; + + tm = *t; + mkt = mktime(&tm); + if (TYPE_SIGNED(time_t)) + (void) _snprintf(buf, sizeof buf, + "%ld", (long) mkt); + else (void) _snprintf(buf, sizeof buf, + "%lu", (unsigned long) mkt); + pt = _add(buf, pt, ptlim); + } + continue; + case 'T': + pt = _fmt("%H:%M:%S", t, pt, ptlim, warnp); + continue; + case 't': + pt = _add("\t", pt, ptlim); + continue; + case 'U': + pt = _conv((t->tm_yday + DAYSPERWEEK - + t->tm_wday) / DAYSPERWEEK, + "%02d", pt, ptlim); + continue; + case 'u': + /* + ** From Arnold Robbins' strftime version 3.0: + ** "ISO 8601: Weekday as a decimal number + ** [1 (Monday) - 7]" + ** (ado, 1993-05-24) + */ + pt = _conv((t->tm_wday == 0) ? + DAYSPERWEEK : t->tm_wday, + "%d", pt, ptlim); + continue; + case 'V': /* ISO 8601 week number */ + case 'G': /* ISO 8601 year (four digits) */ + case 'g': /* ISO 8601 year (two digits) */ + { + int year; + int yday; + int wday; + int w; + + year = t->tm_year + TM_YEAR_BASE; + yday = t->tm_yday; + wday = t->tm_wday; + for ( ; ; ) { + int len; + int bot; + int top; + + len = isleap(year) ? + DAYSPERLYEAR : + DAYSPERNYEAR; + /* + ** What yday (-3 ... 3) does + ** the ISO year begin on? + */ + bot = ((yday + 11 - wday) % + DAYSPERWEEK) - 3; + /* + ** What yday does the NEXT + ** ISO year begin on? + */ + top = bot - + (len % DAYSPERWEEK); + if (top < -3) + top += DAYSPERWEEK; + top += len; + if (yday >= top) { + ++year; + w = 1; + break; + } + if (yday >= bot) { + w = 1 + ((yday - bot) / + DAYSPERWEEK); + break; + } + --year; + yday += isleap(year) ? + DAYSPERLYEAR : + DAYSPERNYEAR; + } + if (*format == 'V') + pt = _conv(w, "%02d", + pt, ptlim); + else if (*format == 'g') { + *warnp = IN_ALL; + pt = _conv(year % 100, "%02d", + pt, ptlim); + } else pt = _conv(year, "%04d", + pt, ptlim); + } + continue; + case 'v': + pt = _fmt("%e-%b-%Y", t, pt, ptlim, warnp); + continue; + case 'W': + pt = _conv((t->tm_yday + DAYSPERWEEK - + (t->tm_wday ? + (t->tm_wday - 1) : + (DAYSPERWEEK - 1))) / DAYSPERWEEK, + "%02d", pt, ptlim); + continue; + case 'w': + pt = _conv(t->tm_wday, "%d", pt, ptlim); + continue; + case 'X': + pt = _fmt(Locale->X_fmt, t, pt, ptlim, warnp); + continue; + case 'x': + { + int warn2 = IN_SOME; + + pt = _fmt(Locale->x_fmt, t, pt, ptlim, &warn2); + if (warn2 == IN_ALL) + warn2 = IN_THIS; + if (warn2 > *warnp) + *warnp = warn2; + } + continue; + case 'y': + *warnp = IN_ALL; + pt = _conv((t->tm_year + TM_YEAR_BASE) % 100, + "%02d", pt, ptlim); + continue; + case 'Y': + pt = _conv(t->tm_year + TM_YEAR_BASE, "%04d", + pt, ptlim); + continue; + case 'Z': + if (t->tm_isdst >= 0) + pt = _add(tzname[t->tm_isdst != 0], + pt, ptlim); + /* + ** C99 says that %Z must be replaced by the + ** empty string if the time zone is not + ** determinable. + */ + continue; + case 'z': + { + int diff; + char const * sign; + + if (t->tm_isdst < 0) + continue; + continue; + if (diff < 0) { + sign = "-"; + diff = -diff; + } else sign = "+"; + pt = _add(sign, pt, ptlim); + diff /= 60; + pt = _conv((diff/60)*100 + diff%60, + "%04d", pt, ptlim); + } + continue; + case '+': + pt = _fmt(Locale->date_fmt, t, pt, ptlim, + warnp); + continue; + case '%': + default: + break; + } + } + if (pt == ptlim) + break; + *pt++ = *format; + } + return pt; +} + +size_t +strftime(char * const s, const size_t maxsize, const char *format, const struct tm * const t) +{ + char * p; + int warn; + + //tzset(); + + warn = IN_NONE; + p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn); + + if (p == s + maxsize) { + if (maxsize > 0) + s[maxsize - 1] = '\0'; + return 0; + } + *p = '\0'; + return p - s; +} + +extern "C" +{ + +size_t wcsftime(wchar_t* const s, const size_t maxsize, const wchar_t *format, const struct tm * const t) +{ + char sBuf[256]; + sBuf[0] = 0; + + wxString formatStr(format); + wxCharBuffer bufFormatStr(formatStr.mb_str()); + + size_t sz = strftime(sBuf, maxsize, bufFormatStr, t); + + wxMB2WC(s, sBuf, strlen(sBuf)); + + return sz; } -time_t __cdecl time(time_t *) +} /* extern "C" */ + +#define is_leap(y) (y % 4 == 0 && (y % 100 != 0 || y % 400 == 0)) +#define SECONDS_IN_ONE_MINUTE 60 +#define DAYS_IN_ONE_YEAR 365 +#define SECONDS_IN_ONE_MIN 60 +#define SECONDS_IN_ONE_HOUR 3600 +#define SECONDS_IN_ONE_DAY 86400 +#define DEFAULT_TIMEZONE 28800 +#define DO_GMTIME 0 +#define DO_LOCALTIME 1 + + +long timezone ; // global variable + + +//////////////////////////////////////////////////////////////////////// +// Common code for localtime and gmtime (static) +//////////////////////////////////////////////////////////////////////// + +static struct tm * __cdecl common_localtime(const time_t *t, BOOL bLocal) +{ + wxLongLong i64; + FILETIME ft; + wxString str ; + SYSTEMTIME SystemTime; + TIME_ZONE_INFORMATION pTz; + static struct tm st_res ; // data holder + static struct tm * res = &st_res ; // data pointer + int iLeap; + const unsigned short int __mon_yday[2][13] = + { + // Normal years + { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }, + // Leap years + { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } + }; + + if (!*t) + ::GetLocalTime(&SystemTime); + else + { + i64 = *t; + i64 = i64 * 10000000 + 116444736000000000; + + ft.dwLowDateTime = i64.GetLo(); + ft.dwHighDateTime = i64.GetHi(); + + ::FileTimeToSystemTime(&ft, &SystemTime); + } + + ::GetTimeZoneInformation(&pTz); + + /////////////////////////////////////////////// + // Set timezone + timezone = pTz.Bias * SECONDS_IN_ONE_MINUTE ; + /////////////////////////////////////////////// + + iLeap = is_leap(SystemTime.wYear) ; + + res->tm_hour = SystemTime.wHour; + res->tm_min = SystemTime.wMinute; + res->tm_sec = SystemTime.wSecond; + + res->tm_mday = SystemTime.wDay; + res->tm_mon = SystemTime.wMonth - 1; // this the correct month but localtime returns month aligned to zero + res->tm_year = SystemTime.wYear; // this the correct year + res->tm_year = res->tm_year - 1900; // but localtime returns the value starting at the 1900 + + res->tm_wday = SystemTime.wDayOfWeek; + res->tm_yday = __mon_yday[iLeap][res->tm_mon] + SystemTime.wDay - 1; // localtime returns year-day aligned to zero + + // if localtime behavior and daylight saving + if (bLocal && pTz.DaylightBias != 0) + res->tm_isdst = 1; + else + res->tm_isdst = 0; // without daylight saving or gmtime + + return res; +} + +extern "C" +{ + +//////////////////////////////////////////////////////////////////////// +// Receive the number of seconds elapsed since midnight(00:00:00) +// and convert a time value and corrects for the local time zone +//////////////////////////////////////////////////////////////////////// +struct tm * __cdecl localtime(const time_t * t) +{ + return common_localtime(t, DO_LOCALTIME) ; +} + +//////////////////////////////////////////////////////////////////////// +// Receives the number of seconds elapsed since midnight(00:00:00) +// and converts a time value WITHOUT correcting for the local time zone +//////////////////////////////////////////////////////////////////////// +struct tm * __cdecl gmtime(const time_t *t) { - // TODO - return 0; + return common_localtime(t, DO_GMTIME) ; +} + } -size_t __cdecl wcsftime(wchar_t *, size_t, const wchar_t *, - const struct tm *) +//////////////////////////////////////////////////////////////////////// +// Common code for conversion of struct tm into time_t (static) +//////////////////////////////////////////////////////////////////////// +static time_t __cdecl common_tm_to_time(int day, int month, int year, int hour, int minute, int second) { - // TODO - return 0; +#if 1 + // Use mktime since it seems less broken + tm t; + t.tm_isdst = -1; + t.tm_hour = hour; + t.tm_mday = day; + t.tm_min = minute; + t.tm_mon = month-1; + t.tm_sec = second; + t.tm_wday = -1; + t.tm_yday = -1; + t.tm_year = year - 1900; + return mktime(& t); +#else + time_t prog = 0 ; + static int mdays[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 } ; + + while (--month) + { + prog += mdays[month - 1] ; + if (month == 2 && is_leap(year)) + prog++ ; + } + + // Calculate seconds in elapsed days + prog = day - 1 ; // align first day of the year to zero + prog += (DAYS_IN_ONE_YEAR * (year - 1970) + (year - 1901) / 4 - 19) ; + prog *= SECONDS_IN_ONE_DAY ; + + // Add Calculated elapsed seconds in the current day + prog += (hour * SECONDS_IN_ONE_HOUR + minute * + SECONDS_IN_ONE_MIN + second) ; + + return prog ; +#endif } -time_t __cdecl mktime(struct tm *) +extern "C" { - // TODO - return 0; + +//////////////////////////////////////////////////////////////////////// +// Returns the number of seconds elapsed since +// midnight(00:00:00) of 1 January 1970 +//////////////////////////////////////////////////////////////////////// +time_t __cdecl time(time_t *t) +{ + time_t prog = 0 ; + + if (t != NULL) + { + SYSTEMTIME SystemTime; + + ::GetLocalTime(&SystemTime) ; + prog = common_tm_to_time(SystemTime.wDay, SystemTime.wMonth, SystemTime.wYear, + SystemTime.wHour, SystemTime.wMinute, SystemTime.wSecond) ; + *t = prog ; + } + + return prog ; } -struct tm * __cdecl gmtime(const time_t *) +//////////////////////////////////////////////////////////////////////// +// Converts the local time provided by struct tm +// into a time_t calendar value +// Implementation from OpenBSD +//////////////////////////////////////////////////////////////////////// + +#if 1 +int month_to_day[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; + +time_t mktime(struct tm *t) { - // TODO - return NULL; + short month, year; + time_t result; + + month = t->tm_mon; + year = t->tm_year + month / 12 + 1900; + month %= 12; + if (month < 0) + { + year -= 1; + month += 12; + } + result = (year - 1970) * 365 + (year - 1969) / 4 + month_to_day[month]; + result = (year - 1970) * 365 + month_to_day[month]; + if (month <= 1) + year -= 1; + result += (year - 1968) / 4; + result -= (year - 1900) / 100; + result += (year - 1600) / 400; + result += t->tm_mday; + result -= 1; + result *= 24; + result += t->tm_hour; + result *= 60; + result += t->tm_min; + result *= 60; + result += t->tm_sec; + return(result); } +#else +time_t __cdecl mktime(struct tm *t) +{ + return (common_tm_to_time(t->tm_mday, t->tm_mon+1, t->tm_year+1900, t->tm_hour, t->tm_min, t->tm_sec)) ; +} +#endif + +} // extern "C" + +