diff options
Diffstat (limited to 'generic/tclClock.c')
-rw-r--r-- | generic/tclClock.c | 218 |
1 files changed, 108 insertions, 110 deletions
diff --git a/generic/tclClock.c b/generic/tclClock.c index 888757f..3c296b5 100644 --- a/generic/tclClock.c +++ b/generic/tclClock.c @@ -218,7 +218,7 @@ static int ClockScanObjCmd( int objc, Tcl_Obj *const objv[]); static int ClockFreeScan( ClientData clientData, Tcl_Interp *interp, - register TclDateFields *date, + register DateInfo *info, Tcl_Obj *strObj, ClockFmtScnCmdArgs *opts); static struct tm * ThreadSafeLocalTime(const time_t *); static unsigned long TzsetGetEpoch(void); @@ -2492,8 +2492,9 @@ ClockScanObjCmd( int ret; ClockFmtScnCmdArgs opts; /* Format, locale, timezone and base */ - Tcl_WideInt baseVal; /* Base time, expressed in seconds from the Epoch */ - TclDateFields date; /* Date fields used for converting */ + Tcl_WideInt baseVal; /* Base time, expressed in seconds from the Epoch */ + DateInfo yy; /* Common structure used for parsing */ + DateInfo *info = &yy; if ((objc & 1) == 1) { Tcl_WrongNumArgs(interp, 1, objv, "string " @@ -2527,7 +2528,7 @@ ClockScanObjCmd( baseVal = (Tcl_WideInt) now.sec; } - date.tzName = NULL; + yydate.tzName = NULL; /* If time zone not specified use system time zone */ if ( opts.timezoneObj == NULL @@ -2552,12 +2553,12 @@ ClockScanObjCmd( * defaults */ - date.tzData = ClockGetTZData(clientData, interp, opts.timezoneObj); - if (date.tzData == NULL) { + yydate.tzData = ClockGetTZData(clientData, interp, opts.timezoneObj); + if (yydate.tzData == NULL) { goto done; } - date.seconds = baseVal; - if (ClockGetDateFields(interp, &date, date.tzData, GREGORIAN_CHANGE_DATE) + yydate.seconds = baseVal; + if (ClockGetDateFields(interp, &yydate, yydate.tzData, GREGORIAN_CHANGE_DATE) != TCL_OK) { goto done; } @@ -2573,10 +2574,10 @@ ClockScanObjCmd( Tcl_SetErrorCode(interp, "CLOCK", "flagWithLegacyFormat", NULL); return TCL_ERROR; } - ret = ClockFreeScan(clientData, interp, &date, objv[1], &opts); + ret = ClockFreeScan(clientData, interp, info, objv[1], &opts); } else - if (0) { + if (1) { /* TODO: Tcled Scan proc - */ int ret; Tcl_Obj *callargs[10]; @@ -2585,12 +2586,12 @@ ClockScanObjCmd( Tcl_IncrRefCount(callargs[0]); ret = Tcl_EvalObjv(interp, objc, callargs, 0); Tcl_DecrRefCount(callargs[0]); - return ret; + return ret; } else { /* Use compiled version of Scan - */ - ret = ClockScan(clientData, interp, &date, objv[1], &opts); + ret = ClockScan(clientData, interp, &yydate, objv[1], &opts); } if (ret != TCL_OK) { @@ -2599,18 +2600,18 @@ ClockScanObjCmd( /* If needed assemble julianDay using new year, month, etc. */ - if (date.julianDay == CL_INVALIDATE) { - GetJulianDayFromEraYearMonthDay(&date, GREGORIAN_CHANGE_DATE); + if (yydate.julianDay == CL_INVALIDATE) { + GetJulianDayFromEraYearMonthDay(&yydate, GREGORIAN_CHANGE_DATE); } - /* Local seconds to UTC (stored in date.seconds) */ + /* Local seconds to UTC (stored in yydate.seconds) */ - date.localSeconds = + yydate.localSeconds = -210866803200L - + ( 86400 * (Tcl_WideInt)date.julianDay ) - + ( date.secondOfDay % 86400 ); + + ( 86400 * (Tcl_WideInt)yydate.julianDay ) + + ( yySeconds % 86400 ); - if (ConvertLocalToUTC(interp, &date, date.tzData, GREGORIAN_CHANGE_DATE) + if (ConvertLocalToUTC(interp, &yydate, yydate.tzData, GREGORIAN_CHANGE_DATE) != TCL_OK) { goto done; } @@ -2619,13 +2620,13 @@ ClockScanObjCmd( done: - Tcl_UnsetObjRef(date.tzName); + Tcl_UnsetObjRef(yydate.tzName); if (ret != TCL_OK) { return ret; } - Tcl_SetObjResult(interp, Tcl_NewWideIntObj(date.seconds)); + Tcl_SetObjResult(interp, Tcl_NewWideIntObj(yydate.seconds)); return TCL_OK; } @@ -2636,28 +2637,28 @@ ClockFreeScan( ClientData clientData, /* Client data containing literal pool */ Tcl_Interp *interp, /* Tcl interpreter */ register - TclDateFields *date, /* Date fields used for converting */ + DateInfo *info, /* Date fields used for parsing & converting + * simultaneously a yy-parse structure of the + * TclClockFreeScan */ Tcl_Obj *strObj, /* String containing the time to scan */ ClockFmtScnCmdArgs *opts) /* Command options */ { - ClockClientData *dataPtr = clientData; - Tcl_Obj **literals = dataPtr->literals; + // ClockClientData *dataPtr = clientData; + // Tcl_Obj **literals = dataPtr->literals; - DateInfo yy; /* parse structure of TclClockFreeScan */ int ret = TCL_ERROR; - /* - * Parse the date. The parser will fill a structure "yy" with date, time, - * time zone, relative month/day/seconds, relative weekday, ordinal month. + * Parse the date. The parser will fill a structure "info" with date, + * time, time zone, relative month/day/seconds, relative weekday, ordinal + * month. + * Notice that many yy-defines point to values in the "info" or "date" + * structure, e. g. yySeconds -> info->date.secondOfDay or + * yySeconds -> info->date.month (same as yydate.month) */ - yy.dateInput = Tcl_GetString(strObj); + yyInput = Tcl_GetString(strObj); - yy.dateYear = date->year; - yy.dateMonth = date->month; - yy.dateDay = date->dayOfMonth; - - if (TclClockFreeScan(interp, &yy) != TCL_OK) { + if (TclClockFreeScan(interp, info) != TCL_OK) { Tcl_Obj *msg = Tcl_NewObj(); Tcl_AppendPrintfToObj(msg, "unable to convert date-time string \"%s\": %s", Tcl_GetString(strObj), TclGetString(Tcl_GetObjResult(interp))); @@ -2671,19 +2672,16 @@ ClockFreeScan( * midnight. */ - if (yy.dateHaveDate) { - if (yy.dateYear < 100) { - if (yy.dateYear >= ClockGetYearOfCenturySwitch(clientData, interp)) { - yy.dateYear -= 100; + if (yyHaveDate) { + if (yyYear < 100) { + if (yyYear >= ClockGetYearOfCenturySwitch(clientData, interp)) { + yyYear -= 100; } - yy.dateYear += ClockCurrentYearCentury(clientData, interp); + yyYear += ClockCurrentYearCentury(clientData, interp); } - date->era = CE; - date->year = yy.dateYear; - date->month = yy.dateMonth; - date->dayOfMonth = yy.dateDay; - if (yy.dateHaveTime == 0) { - yy.dateHaveTime = -1; + yydate.era = CE; + if (yyHaveTime == 0) { + yyHaveTime = -1; } } @@ -2692,10 +2690,10 @@ ClockFreeScan( * zone indicator of +-hhmm and setup this time zone. */ - if (yy.dateHaveZone) { + if (yyHaveZone) { Tcl_Obj *tzObjStor = NULL; - int minEast = -yy.dateTimezone; - int dstFlag = 1 - yy.dateDSTmode; + int minEast = -yyTimezone; + int dstFlag = 1 - yyDSTmode; tzObjStor = ClockFormatNumericTimeZone( 60 * minEast + 3600 * dstFlag); @@ -2706,40 +2704,40 @@ ClockFreeScan( if (opts->timezoneObj == NULL) { goto done; } - date->tzData = ClockGetTZData(clientData, interp, opts->timezoneObj); - if (date->tzData == NULL) { + yydate.tzData = ClockGetTZData(clientData, interp, opts->timezoneObj); + if (yydate.tzData == NULL) { goto done; } } /* on demand (lazy) assemble julianDay using new year, month, etc. */ - date->julianDay = CL_INVALIDATE; + yydate.julianDay = CL_INVALIDATE; /* * Assemble date, time, zone into seconds-from-epoch */ - Tcl_SetObjRef(date->tzName, opts->timezoneObj); + Tcl_SetObjRef(yydate.tzName, opts->timezoneObj); - if (yy.dateHaveTime == -1) { - date->secondOfDay = 0; + if (yyHaveTime == -1) { + yySeconds = 0; } else - if (yy.dateHaveTime) { - date->secondOfDay = ToSeconds(yy.dateHour, yy.dateMinutes, - yy.dateSeconds, yy.dateMeridian); + if (yyHaveTime) { + yySeconds = ToSeconds(yyHour, yyMinutes, + yySeconds, yyMeridian); } else - if ( (yy.dateHaveDay && !yy.dateHaveDate) - || yy.dateHaveOrdinalMonth - || ( yy.dateHaveRel - && ( yy.dateRelMonth != 0 - || yy.dateRelDay != 0 ) ) + if ( (yyHaveDay && !yyHaveDate) + || yyHaveOrdinalMonth + || ( yyHaveRel + && ( yyRelMonth != 0 + || yyRelDay != 0 ) ) ) { - date->secondOfDay = 0; + yySeconds = 0; } else { - date->secondOfDay = date->localSeconds % 86400; + yySeconds = yydate.localSeconds % 86400; } /* @@ -2748,56 +2746,56 @@ ClockFreeScan( repeat_rel: - if (yy.dateHaveRel) { + if (yyHaveRel) { /* add months (or years in months) */ - if (yy.dateRelMonth != 0) { + if (yyRelMonth != 0) { int m, h; /* if needed extract year, month, etc. again */ - if (date->month == CL_INVALIDATE) { - GetGregorianEraYearDay(date, GREGORIAN_CHANGE_DATE); - GetMonthDay(date); - GetYearWeekDay(date, GREGORIAN_CHANGE_DATE); + if (yyMonth == CL_INVALIDATE) { + GetGregorianEraYearDay(&yydate, GREGORIAN_CHANGE_DATE); + GetMonthDay(&yydate); + GetYearWeekDay(&yydate, GREGORIAN_CHANGE_DATE); } /* add the requisite number of months */ - date->month += yy.dateRelMonth - 1; - date->year += date->month / 12; - m = date->month % 12; - date->month = m + 1; + yyMonth += yyRelMonth - 1; + yyYear += yyMonth / 12; + m = yyMonth % 12; + yyMonth = m + 1; /* if the day doesn't exist in the current month, repair it */ - h = hath[IsGregorianLeapYear(date)][m]; - if (date->dayOfMonth > h) { - date->dayOfMonth = h; + h = hath[IsGregorianLeapYear(&yydate)][m]; + if (yyDay > h) { + yyDay = h; } /* on demand (lazy) assemble julianDay using new year, month, etc. */ - date->julianDay = CL_INVALIDATE; + yydate.julianDay = CL_INVALIDATE; - yy.dateRelMonth = 0; + yyRelMonth = 0; } /* add days (or other parts aligned to days) */ - if (yy.dateRelDay) { + if (yyRelDay) { /* assemble julianDay using new year, month, etc. */ - if (date->julianDay == CL_INVALIDATE) { - GetJulianDayFromEraYearMonthDay(date, GREGORIAN_CHANGE_DATE); + if (yydate.julianDay == CL_INVALIDATE) { + GetJulianDayFromEraYearMonthDay(&yydate, GREGORIAN_CHANGE_DATE); } - date->julianDay += yy.dateRelDay; + yydate.julianDay += yyRelDay; /* julianDay was changed, on demand (lazy) extract year, month, etc. again */ - date->month = CL_INVALIDATE; + yyMonth = CL_INVALIDATE; - yy.dateRelDay = 0; + yyRelDay = 0; } /* relative time (seconds) */ - date->secondOfDay += yy.dateRelSeconds; - yy.dateRelSeconds = 0; + yySeconds += yyRelSeconds; + yyRelSeconds = 0; } @@ -2805,35 +2803,35 @@ repeat_rel: * Do relative (ordinal) month */ - if (yy.dateHaveOrdinalMonth) { + if (yyHaveOrdinalMonth) { int monthDiff; /* if needed extract year, month, etc. again */ - if (date->month == CL_INVALIDATE) { - GetGregorianEraYearDay(date, GREGORIAN_CHANGE_DATE); - GetMonthDay(date); - GetYearWeekDay(date, GREGORIAN_CHANGE_DATE); + if (yyMonth == CL_INVALIDATE) { + GetGregorianEraYearDay(&yydate, GREGORIAN_CHANGE_DATE); + GetMonthDay(&yydate); + GetYearWeekDay(&yydate, GREGORIAN_CHANGE_DATE); } - if (yy.dateMonthOrdinal > 0) { - monthDiff = yy.dateMonth - date->month; + if (yyMonthOrdinalIncr > 0) { + monthDiff = yyMonthOrdinal - yyMonth; if (monthDiff <= 0) { monthDiff += 12; } - yy.dateMonthOrdinal--; + yyMonthOrdinalIncr--; } else { - monthDiff = date->month - yy.dateMonth; + monthDiff = yyMonth - yyMonthOrdinal; if (monthDiff >= 0) { monthDiff -= 12; } - yy.dateMonthOrdinal++; + yyMonthOrdinalIncr++; } /* process it further via relative times */ - yy.dateHaveRel++; - date->year += yy.dateMonthOrdinal; - yy.dateRelMonth += monthDiff; - yy.dateHaveOrdinalMonth = 0; + yyHaveRel++; + yyYear += yyMonthOrdinalIncr; + yyRelMonth += monthDiff; + yyHaveOrdinalMonth = 0; goto repeat_rel; } @@ -2842,18 +2840,18 @@ repeat_rel: * Do relative weekday */ - if (yy.dateHaveDay && !yy.dateHaveDate) { + if (yyHaveDay && !yyHaveDate) { /* if needed assemble julianDay now */ - if (date->julianDay == CL_INVALIDATE) { - GetJulianDayFromEraYearMonthDay(date, GREGORIAN_CHANGE_DATE); + if (yydate.julianDay == CL_INVALIDATE) { + GetJulianDayFromEraYearMonthDay(&yydate, GREGORIAN_CHANGE_DATE); } - date->era = CE; - date->julianDay = WeekdayOnOrBefore(yy.dateDayNumber, date->julianDay + 6) - + 7 * yy.dateDayOrdinal; - if (yy.dateDayOrdinal > 0) { - date->julianDay -= 7; + yydate.era = CE; + yydate.julianDay = WeekdayOnOrBefore(yyDayNumber, yydate.julianDay + 6) + + 7 * yyDayOrdinal; + if (yyDayOrdinal > 0) { + yydate.julianDay -= 7; } } @@ -2863,7 +2861,7 @@ repeat_rel: done: - return TCL_OK; + return ret; } /*---------------------------------------------------------------------- |