X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/68ee7c47300b37e408ef9a04ec9f83af78e90817..4a7ec775feb4f125cbeffe641a8e48b0a42848eb:/include/wx/datetime.h diff --git a/include/wx/datetime.h b/include/wx/datetime.h index 5f76408d5a..c9e9ec35e8 100644 --- a/include/wx/datetime.h +++ b/include/wx/datetime.h @@ -7,16 +7,20 @@ // Created: 10.02.99 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_DATETIME_H #define _WX_DATETIME_H -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(__APPLE__) #pragma interface "datetime.h" #endif +#include "wx/defs.h" + +#if wxUSE_DATETIME + #include #include // for INT_MIN @@ -26,21 +30,39 @@ class WXDLLEXPORT wxDateTime; class WXDLLEXPORT wxTimeSpan; class WXDLLEXPORT wxDateSpan; -// don't use inline functions in debug builds - we don't care about +// a hack: don't use inline functions in debug builds - we don't care about // performances and this only leads to increased rebuild time (because every // time an inline method is changed, all files including the header must be // rebuilt) -#ifdef __WXDEBUG__ + +// For Mingw32, causes a link error. (VZ: why?) +#if defined( __WXDEBUG__) && !defined(__MINGW32__) && !(defined(_MSC_VER) && wxUSE_ACCESSIBILITY) + #define wxDATETIME_DONT_INLINE + + #undef inline #define inline +#else + // just in case + #undef wxDATETIME_DONT_INLINE #endif // Debug +// not all c-runtimes are based on 1/1/1970 being (time_t) 0 +// set this to the corresponding value in seconds 1/1/1970 has on your +// systems c-runtime + +#if defined(__WXMAC__) && !defined(__DARWIN__) && __MSL__ < 0x6000 + #define WX_TIME_BASE_OFFSET ( 2082844800L + 126144000L ) +#else + #define WX_TIME_BASE_OFFSET 0 +#endif /* - * TODO Well, everything :-) + * TODO * * + 1. Time zones with minutes (make TimeZone a class) - * 2. getdate() function like under Solaris + * ? 2. getdate() function like under Solaris * + 3. text conversion for wxDateSpan - * 4. pluggable modules for the workdays calculations + * + 4. pluggable modules for the workdays calculations + * 5. wxDateTimeHolidayAuthority for Easter and other christian feasts */ /* @@ -62,7 +84,7 @@ class WXDLLEXPORT wxDateSpan; wxTimeSpan + wxTimeSpan = wxTimeSpan wxDateSpan + wxDateSpan = wxDateSpan - substraction + subtraction ------------ wxDateTime - wxDateTime = wxTimeSpan wxDateTime - wxTimeSpan = wxDateTime @@ -83,7 +105,7 @@ class WXDLLEXPORT wxDateSpan; -wxDateSpan = wxDateSpan For each binary operation OP (+, -, *) we have the following operatorOP=() as - a method and the method with a symbolic name OPER (Add, Substract, Multiply) + a method and the method with a symbolic name OPER (Add, Subtract, Multiply) as a synonym for it and another const method with the same name which returns the changed copy of the object and operatorOP() as a global function which is implemented in terms of the const version of OPEN. For the unary - we have @@ -91,6 +113,15 @@ class WXDLLEXPORT wxDateSpan; the copy of the object with the changed sign. */ +// an invalid/default date time object which may be used as the default +// argument for arguments of type wxDateTime; it is also returned by all +// functions returning wxDateTime on failure (this is why it is also called +// wxInvalidDateTime) +class WXDLLEXPORT wxDateTime; + +WXDLLEXPORT_DATA(extern const wxDateTime) wxDefaultDateTime; +#define wxInvalidDateTime wxDefaultDateTime + // ---------------------------------------------------------------------------- // wxDateTime represents an absolute moment in the time // ---------------------------------------------------------------------------- @@ -108,6 +139,9 @@ public: // data in this format typedef unsigned short wxDateTime_t; + // constants + // ------------------------------------------------------------------------ + // the timezones enum TZ { @@ -344,12 +378,27 @@ public: Inv_Year = SHRT_MIN // should hold in wxDateTime_t }; + // flags for GetWeekDayName and GetMonthName + enum NameFlags + { + Name_Full = 0x01, // return full name + Name_Abbr = 0x02 // return abbreviated name + }; + + // flags for GetWeekOfYear and GetWeekOfMonth + enum WeekFlags + { + Default_First, // Sunday_First for US, Monday_First for the rest + Monday_First, // week starts with a Monday + Sunday_First // week starts with a Sunday + }; + // helper classes // ------------------------------------------------------------------------ // a class representing a time zone: basicly, this is just an offset // (in seconds) from GMT - class TimeZone + class WXDLLEXPORT TimeZone { public: TimeZone(TZ tz); @@ -369,7 +418,7 @@ public: // NB: this struct should always be kept normalized (i.e. mon should // be < 12, 1 <= day <= 31 &c), so use AddMonths(), AddDays() // instead of modifying the member fields directly! - struct Tm + struct WXDLLEXPORT Tm { wxDateTime_t msec, sec, min, hour, mday; Month mon; @@ -453,11 +502,16 @@ public: // get the full (default) or abbreviated month name in the current // locale, returns empty string on error - static wxString GetMonthName(Month month, bool abbr = FALSE); + static wxString GetMonthName(Month month, + NameFlags flags = Name_Full); // get the full (default) or abbreviated weekday name in the current // locale, returns empty string on error - static wxString GetWeekDayName(WeekDay weekday, bool abbr = FALSE); + static wxString GetWeekDayName(WeekDay weekday, + NameFlags flags = Name_Full); + + // get the AM and PM strings in the current locale (may be empty) + static void GetAmPmStrings(wxString *am, wxString *pm); // return TRUE if the given country uses DST for this year static bool IsDSTApplicable(int year = Inv_Year, @@ -477,6 +531,10 @@ public: // return the wxDateTime object for the current time static inline wxDateTime Now(); + // return the wxDateTime object for the current time with millisecond + // precision (if available on this platform) + static wxDateTime UNow(); + // return the wxDateTime object for today midnight: i.e. as Now() but // with time set to 0 static inline wxDateTime Today(); @@ -487,10 +545,13 @@ public: // ------------------------------------------------------------------------ // default ctor does not initialize the object, use Set()! - wxDateTime() { } + wxDateTime() { m_time = wxLongLong((long)ULONG_MAX, ULONG_MAX); } // from time_t: seconds since the Epoch 00:00:00 UTC, Jan 1, 1970) +#if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400)) +// VA C++ confuses this with wxDateTime(double jdn) thinking it is a duplicate declaration inline wxDateTime(time_t timet); +#endif // from broken down time/date (only for standard Unix range) inline wxDateTime(const struct tm& tm); // from broken down time/date (any range) @@ -506,7 +567,7 @@ public: wxDateTime_t millisec = 0); // from separate values for each component with explicit date inline wxDateTime(wxDateTime_t day, // day of the month - Month month = Inv_Month, + Month month, int year = Inv_Year, // 1999, not 99 please! wxDateTime_t hour = 0, wxDateTime_t minute = 0, @@ -525,8 +586,11 @@ public: // set to the current time inline wxDateTime& SetToCurrent(); +#if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400)) +// VA C++ confuses this with wxDateTime(double jdn) thinking it is a duplicate declaration // set to given time_t value inline wxDateTime& Set(time_t timet); +#endif // set to given broken down time/date wxDateTime& Set(const struct tm& tm); @@ -546,7 +610,7 @@ public: // from separate values for each component with explicit date // (defaults for month and year are the current values) wxDateTime& Set(wxDateTime_t day, - Month month = Inv_Month, + Month month, int year = Inv_Year, // 1999, not 99 please! wxDateTime_t hour = 0, wxDateTime_t minute = 0, @@ -586,17 +650,23 @@ public: // default assignment operator is ok // calendar calculations (functions which set the date only leave the time - // unchanged, e.g. don't explictly zero it) + // unchanged, e.g. don't explictly zero it): SetXXX() functions modify the + // object itself, GetXXX() ones return a new object. // ------------------------------------------------------------------------ // set to the given week day in the same week as this one - wxDateTime& SetToWeekDayInSameWeek(WeekDay weekday); + wxDateTime& SetToWeekDayInSameWeek(WeekDay weekday, + WeekFlags flags = Monday_First); + inline wxDateTime GetWeekDayInSameWeek(WeekDay weekday, + WeekFlags flags = Monday_First) const; // set to the next week day following this one wxDateTime& SetToNextWeekDay(WeekDay weekday); + inline wxDateTime GetNextWeekDay(WeekDay weekday) const; - // set to the previous week day following this one + // set to the previous week day before this one wxDateTime& SetToPrevWeekDay(WeekDay weekday); + inline wxDateTime GetPrevWeekDay(WeekDay weekday) const; // set to Nth occurence of given weekday in the given month of the // given year (time is set to 0), return TRUE on success and FALSE on @@ -606,21 +676,39 @@ public: int n = 1, Month month = Inv_Month, int year = Inv_Year); + inline wxDateTime GetWeekDay(WeekDay weekday, + int n = 1, + Month month = Inv_Month, + int year = Inv_Year) const; // sets to the last weekday in the given month, year inline bool SetToLastWeekDay(WeekDay weekday, Month month = Inv_Month, int year = Inv_Year); + inline wxDateTime GetLastWeekDay(WeekDay weekday, + Month month = Inv_Month, + int year = Inv_Year); // sets the date to the given day of the given week in the year, // returns TRUE on success and FALSE if given date doesn't exist (e.g. // numWeek is > 53) - bool SetToTheWeek(wxDateTime_t numWeek, WeekDay weekday = Mon); + bool SetToTheWeek(wxDateTime_t numWeek, + WeekDay weekday = Mon, + WeekFlags flags = Monday_First); + inline wxDateTime GetWeek(wxDateTime_t numWeek, + WeekDay weekday = Mon, + WeekFlags flags = Monday_First) const; // sets the date to the last day of the given (or current) month or the // given (or current) year wxDateTime& SetToLastMonthDay(Month month = Inv_Month, int year = Inv_Year); + inline wxDateTime GetLastMonthDay(Month month = Inv_Month, + int year = Inv_Year) const; + + // sets to the given year day (1..365 or 366) + wxDateTime& SetToYearDay(wxDateTime_t yday); + inline wxDateTime GetYearDay(wxDateTime_t yday) const; // The definitions below were taken verbatim from // @@ -667,16 +755,21 @@ public: // time. Using the functions below, it may be converted to another time // zone (for example, the Unix epoch is wxDateTime(1, Jan, 1970).ToGMT()) // + // these functions try to handle DST internally, but there is no magical + // way to know all rules for it in all countries in the world, so if the + // program can handle it itself (or doesn't want to handle it at all for + // whatever reason), the DST handling can be disabled with noDST. + // // Converting to the local time zone doesn't do anything. // ------------------------------------------------------------------------ // transform to any given timezone - inline wxDateTime ToTimezone(const TimeZone& tz) const; - wxDateTime& MakeTimezone(const TimeZone& tz); + inline wxDateTime ToTimezone(const TimeZone& tz, bool noDST = FALSE) const; + wxDateTime& MakeTimezone(const TimeZone& tz, bool noDST = FALSE); // transform to GMT/UTC - wxDateTime ToGMT() const { return ToTimezone(GMT0); } - wxDateTime& MakeGMT() { return MakeTimezone(GMT0); } + wxDateTime ToGMT(bool noDST = FALSE) const { return ToTimezone(GMT0, noDST); } + wxDateTime& MakeGMT(bool noDST = FALSE) { return MakeTimezone(GMT0, noDST); } // is daylight savings time in effect at this moment according to the // rules of the specified country? @@ -692,9 +785,8 @@ public: // result of timezone shift) // ------------------------------------------------------------------------ - // is the date valid (FALSE for uninitialized objects as well as after - // the functions which failed to convert the date to supported range) - inline bool IsValid() const { return this != &ms_InvDateTime; } + // is the date valid? + inline bool IsValid() const { return m_time != wxInvalidDateTime.m_time; } // get the broken down date/time representation in the given timezone // @@ -708,52 +800,62 @@ public: inline time_t GetTicks() const; // get the year (returns Inv_Year if date is invalid) - int GetYear(const TimeZone& tz = Local) const + int GetYear(const TimeZone& tz = Local) const { return GetTm(tz).year; } // get the month (Inv_Month if date is invalid) - Month GetMonth(const TimeZone& tz = Local) const + Month GetMonth(const TimeZone& tz = Local) const { return (Month)GetTm(tz).mon; } // get the month day (in 1..31 range, 0 if date is invalid) - wxDateTime_t GetDay(const TimeZone& tz = Local) const + wxDateTime_t GetDay(const TimeZone& tz = Local) const { return GetTm(tz).mday; } // get the day of the week (Inv_WeekDay if date is invalid) - WeekDay GetWeekDay(const TimeZone& tz = Local) const + WeekDay GetWeekDay(const TimeZone& tz = Local) const { return GetTm(tz).GetWeekDay(); } // get the hour of the day - wxDateTime_t GetHour(const TimeZone& tz = Local) const + wxDateTime_t GetHour(const TimeZone& tz = Local) const { return GetTm(tz).hour; } // get the minute - wxDateTime_t GetMinute(const TimeZone& tz = Local) const + wxDateTime_t GetMinute(const TimeZone& tz = Local) const { return GetTm(tz).min; } // get the second - wxDateTime_t GetSecond(const TimeZone& tz = Local) const + wxDateTime_t GetSecond(const TimeZone& tz = Local) const { return GetTm(tz).sec; } // get milliseconds - wxDateTime_t GetMillisecond(const TimeZone& tz = Local) const + wxDateTime_t GetMillisecond(const TimeZone& tz = Local) const { return GetTm(tz).msec; } // get the day since the year start (1..366, 0 if date is invalid) wxDateTime_t GetDayOfYear(const TimeZone& tz = Local) const; // get the week number since the year start (1..52 or 53, 0 if date is // invalid) - wxDateTime_t GetWeekOfYear(const TimeZone& tz = Local) const; + wxDateTime_t GetWeekOfYear(WeekFlags flags = Monday_First, + const TimeZone& tz = Local) const; // get the week number since the month start (1..5, 0 if date is // invalid) - wxDateTime_t GetWeekOfMonth(const TimeZone& tz = Local) const; + wxDateTime_t GetWeekOfMonth(WeekFlags flags = Monday_First, + const TimeZone& tz = Local) const; // is this date a work day? This depends on a country, of course, // because the holidays are different in different countries - bool IsWorkDay(Country country = Country_Default, - const TimeZone& tz = Local) const; + bool IsWorkDay(Country country = Country_Default) const; // is this date later than Gregorian calendar introduction for the // given country (see enum GregorianAdoption)? // - // NB: this function shouldn't be considered as absolute authoiruty in + // NB: this function shouldn't be considered as absolute authority in // the matter. Besides, for some countries the exact date of // adoption of the Gregorian calendar is simply unknown. bool IsGregorianDate(GregorianAdoption country = Gr_Standard) const; + // dos date and time format + // ------------------------------------------------------------------------ + + // set from the DOS packed format + wxDateTime& SetFromDOS(unsigned long ddt); + + // pack the date in DOS format + unsigned long GetAsDOS() const; + // comparison (see also functions below for operator versions) // ------------------------------------------------------------------------ @@ -773,6 +875,15 @@ public: // returns TRUE if the date is in the given range inline bool IsBetween(const wxDateTime& t1, const wxDateTime& t2) const; + // do these two objects refer to the same date? + inline bool IsSameDate(const wxDateTime& dt) const; + + // do these two objects have the same time? + inline bool IsSameTime(const wxDateTime& dt) const; + + // are these two objects equal up to given timespan? + inline bool IsEqualUpTo(const wxDateTime& dt, const wxTimeSpan& ts) const; + // arithmetics with dates (see also below for more operators) // ------------------------------------------------------------------------ @@ -784,10 +895,10 @@ public: inline wxDateTime& operator+=(const wxTimeSpan& diff); // return the difference of the date with a time span - inline wxDateTime Substract(const wxTimeSpan& diff) const; - // substract a time span (positive or negative) - inline wxDateTime& Substract(const wxTimeSpan& diff); - // substract a time span (positive or negative) + inline wxDateTime Subtract(const wxTimeSpan& diff) const; + // subtract a time span (positive or negative) + inline wxDateTime& Subtract(const wxTimeSpan& diff); + // subtract a time span (positive or negative) inline wxDateTime& operator-=(const wxTimeSpan& diff); // return the sum of the date with a date span @@ -798,14 +909,14 @@ public: inline wxDateTime& operator+=(const wxDateSpan& diff); // return the difference of the date with a date span - inline wxDateTime Substract(const wxDateSpan& diff) const; - // substract a date span (positive or negative) - inline wxDateTime& Substract(const wxDateSpan& diff); - // substract a date span (positive or negative) + inline wxDateTime Subtract(const wxDateSpan& diff) const; + // subtract a date span (positive or negative) + inline wxDateTime& Subtract(const wxDateSpan& diff); + // subtract a date span (positive or negative) inline wxDateTime& operator-=(const wxDateSpan& diff); // return the difference between two dates - inline wxTimeSpan Substract(const wxDateTime& dt) const; + inline wxTimeSpan Subtract(const wxDateTime& dt) const; // conversion to/from text: all conversions from text return the pointer to // the next character following the date specification (i.e. the one where @@ -815,9 +926,13 @@ public: // parse a string in RFC 822 format (found e.g. in mail headers and // having the form "Wed, 10 Feb 1999 19:07:07 +0100") const wxChar *ParseRfc822Date(const wxChar* date); - // parse a date/time in the given format (see strptime(3)) + // parse a date/time in the given format (see strptime(3)), fill in + // the missing (in the string) fields with the values of dateDef (by + // default, they will not change if they had valid values or will + // default to Today() otherwise) const wxChar *ParseFormat(const wxChar *date, - const wxChar *format = _T("%c")); + const wxChar *format = _T("%c"), + const wxDateTime& dateDef = wxDefaultDateTime); // parse a string containing the date/time in "free" format, this // function will try to make an educated guess at the string contents const wxChar *ParseDateTime(const wxChar *datetime); @@ -837,6 +952,12 @@ public: wxString FormatDate() const { return Format(_T("%x")); } // preferred time representation for the current locale wxString FormatTime() const { return Format(_T("%X")); } + // returns the string representing the date in ISO 8601 format + // (YYYY-MM-DD) + wxString FormatISODate() const { return Format(_T("%Y-%m-%d")); } + // returns the string representing the time in ISO 8601 format + // (HH:MM:SS) + wxString FormatISOTime() const { return Format(_T("%H:%M:%S")); } // implementation // ------------------------------------------------------------------------ @@ -868,10 +989,6 @@ private: // fixed to 1000 static const long TIME_T_FACTOR; - // invalid wxDateTime object - returned by all functions which return - // "wxDateTime &" on failure - static wxDateTime ms_InvDateTime; - // returns TRUE if we fall in range in which we can use standard ANSI C // functions inline bool IsInStdRange() const; @@ -884,7 +1001,7 @@ private: // ---------------------------------------------------------------------------- // This class contains a difference between 2 wxDateTime values, so it makes -// sense to add it to wxDateTime and it is the result of substraction of 2 +// sense to add it to wxDateTime and it is the result of subtraction of 2 // objects of that class. See also wxDateSpan. // ---------------------------------------------------------------------------- @@ -895,23 +1012,23 @@ public: // ------------------------------------------------------------------------ // return the timespan for the given number of seconds - static wxTimeSpan Seconds(int sec) { return wxTimeSpan(0, 0, sec); } + static wxTimeSpan Seconds(long sec) { return wxTimeSpan(0, 0, sec); } static wxTimeSpan Second() { return Seconds(1); } // return the timespan for the given number of minutes - static wxTimeSpan Minutes(int min) { return wxTimeSpan(0, min, 0 ); } + static wxTimeSpan Minutes(long min) { return wxTimeSpan(0, min, 0 ); } static wxTimeSpan Minute() { return Minutes(1); } // return the timespan for the given number of hours - static wxTimeSpan Hours(int hours) { return wxTimeSpan(hours, 0, 0); } + static wxTimeSpan Hours(long hours) { return wxTimeSpan(hours, 0, 0); } static wxTimeSpan Hour() { return Hours(1); } // return the timespan for the given number of days - static wxTimeSpan Days(int days) { return Hours(24 * days); } + static wxTimeSpan Days(long days) { return Hours(24 * days); } static wxTimeSpan Day() { return Days(1); } // return the timespan for the given number of weeks - static wxTimeSpan Weeks(int days) { return Days(7 * days); } + static wxTimeSpan Weeks(long days) { return Days(7 * days); } static wxTimeSpan Week() { return Weeks(1); } // default ctor constructs the 0 time span @@ -920,10 +1037,10 @@ public: // from separate values for each component, date set to 0 (hours are // not restricted to 0..24 range, neither are minutes, seconds or // milliseconds) - inline wxTimeSpan(int hours, - int minutes = 0, - int seconds = 0, - int milliseconds = 0); + inline wxTimeSpan(long hours, + long minutes = 0, + long seconds = 0, + long milliseconds = 0); // default copy ctor is ok @@ -940,11 +1057,11 @@ public: wxTimeSpan& operator+=(const wxTimeSpan& diff) { return Add(diff); } // return the difference of two timespans - inline wxTimeSpan Substract(const wxTimeSpan& diff) const; - // substract another timespan - inline wxTimeSpan& Substract(const wxTimeSpan& diff); - // substract another timespan - wxTimeSpan& operator-=(const wxTimeSpan& diff) { return Substract(diff); } + inline wxTimeSpan Subtract(const wxTimeSpan& diff) const; + // subtract another timespan + inline wxTimeSpan& Subtract(const wxTimeSpan& diff); + // subtract another timespan + wxTimeSpan& operator-=(const wxTimeSpan& diff) { return Subtract(diff); } // multiply timespan by a scalar inline wxTimeSpan Multiply(int n) const; @@ -1017,11 +1134,7 @@ public: // resulting text representation. Notice that only some of format // specifiers valid for wxDateTime are valid for wxTimeSpan: hours, // minutes and seconds make sense, but not "PM/AM" string for example. - wxString Format(const wxChar *format = _T("%c")) const; - // preferred date representation for the current locale - wxString FormatDate() const { return Format(_T("%x")); } - // preferred time representation for the current locale - wxString FormatTime() const { return Format(_T("%X")); } + wxString Format(const wxChar *format = _T("%H:%M:%S")) const; // implementation // ------------------------------------------------------------------------ @@ -1045,7 +1158,12 @@ private: // one month to Feb, 15 - we want to get Mar, 15, of course). // // When adding a month to the date, all lesser components (days, hours, ...) -// won't be changed. +// won't be changed unless the resulting date would be invalid: for example, +// Jan 31 + 1 month will be Feb 28, not (non existing) Feb 31. +// +// Because of this feature, adding and subtracting back again the same +// wxDateSpan will *not*, in general give back the original date: Feb 28 - 1 +// month will be Jan 28, not Jan 31! // // wxDateSpan can be either positive or negative. They may be // multiplied by scalars which multiply all deltas by the scalar: i.e. 2*(1 @@ -1056,6 +1174,12 @@ private: // Beware about weeks: if you specify both weeks and days, the total number of // days added will be 7*weeks + days! See also GetTotalDays() function. // +// Equality operators are defined for wxDateSpans. Two datespans are equal if +// they both give the same target date when added to *every* source date. +// Thus wxDateSpan::Months(1) is not equal to wxDateSpan::Days(30), because +// they not give the same date when added to 1 Feb. But wxDateSpan::Days(14) is +// equal to wxDateSpan::Weeks(2) +// // Finally, notice that for adding hours, minutes &c you don't need this // class: wxTimeSpan will do the job because there are no subtleties // associated with those. @@ -1130,10 +1254,10 @@ public: inline wxDateSpan& operator+=(const wxDateSpan& other); // return difference of two date spans - inline wxDateSpan Substract(const wxDateSpan& other) const; - // substract another wxDateSpan from us - inline wxDateSpan& Substract(const wxDateSpan& other); - // substract another wxDateSpan from us + inline wxDateSpan Subtract(const wxDateSpan& other) const; + // subtract another wxDateSpan from us + inline wxDateSpan& Subtract(const wxDateSpan& other); + // subtract another wxDateSpan from us inline wxDateSpan& operator-=(const wxDateSpan& other); // return a copy of this time span with changed sign @@ -1157,10 +1281,77 @@ private: m_days; }; -WXDLLEXPORT_DATA(extern wxDateSpan) wxYear; -WXDLLEXPORT_DATA(extern wxDateSpan) wxMonth; -WXDLLEXPORT_DATA(extern wxDateSpan) wxWeek; -WXDLLEXPORT_DATA(extern wxDateSpan) wxDay; +// ---------------------------------------------------------------------------- +// wxDateTimeArray: array of dates. +// ---------------------------------------------------------------------------- + +#include "wx/dynarray.h" + +WX_DECLARE_EXPORTED_OBJARRAY(wxDateTime, wxDateTimeArray); + +// ---------------------------------------------------------------------------- +// wxDateTimeHolidayAuthority: an object of this class will decide whether a +// given date is a holiday and is used by all functions working with "work +// days". +// +// NB: the base class is an ABC, derived classes must implement the pure +// virtual methods to work with the holidays they correspond to. +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxDateTimeHolidayAuthority; +WX_DEFINE_EXPORTED_ARRAY(wxDateTimeHolidayAuthority *, wxHolidayAuthoritiesArray); + +class wxDateTimeHolidaysModule; +class WXDLLEXPORT wxDateTimeHolidayAuthority +{ +friend class wxDateTimeHolidaysModule; +public: + // returns TRUE if the given date is a holiday + static bool IsHoliday(const wxDateTime& dt); + + // fills the provided array with all holidays in the given range, returns + // the number of them + static size_t GetHolidaysInRange(const wxDateTime& dtStart, + const wxDateTime& dtEnd, + wxDateTimeArray& holidays); + + // clear the list of holiday authorities + static void ClearAllAuthorities(); + + // add a new holiday authority (the pointer will be deleted by + // wxDateTimeHolidayAuthority) + static void AddAuthority(wxDateTimeHolidayAuthority *auth); + +protected: + // this function is called to determine whether a given day is a holiday + virtual bool DoIsHoliday(const wxDateTime& dt) const = 0; + + // this function should fill the array with all holidays between the two + // given dates - it is implemented in the base class, but in a very + // inefficient way (it just iterates over all days and uses IsHoliday() for + // each of them), so it must be overridden in the derived class where the + // base class version may be explicitly used if needed + // + // returns the number of holidays in the given range and fills holidays + // array + virtual size_t DoGetHolidaysInRange(const wxDateTime& dtStart, + const wxDateTime& dtEnd, + wxDateTimeArray& holidays) const = 0; + +private: + // all holiday authorities + static wxHolidayAuthoritiesArray ms_authorities; +}; + +// the holidays for this class are all Saturdays and Sundays +class WXDLLEXPORT wxDateTimeWorkDays : public wxDateTimeHolidayAuthority +{ +protected: + virtual bool DoIsHoliday(const wxDateTime& dt) const; + virtual size_t DoGetHolidaysInRange(const wxDateTime& dtStart, + const wxDateTime& dtEnd, + wxDateTimeArray& holidays) const; +}; // ============================================================================ // inline functions implementation @@ -1170,14 +1361,16 @@ WXDLLEXPORT_DATA(extern wxDateSpan) wxDay; // else than datetime.cpp in debug builds: this minimizes rebuilds if we change // some inline function and the performance doesn't matter in the debug builds. -#if !defined(__WXDEBUG__) || defined(wxDEFINE_TIME_CONSTANTS) +#if !defined(wxDATETIME_DONT_INLINE) || defined(wxDEFINE_TIME_CONSTANTS) #define INCLUDED_FROM_WX_DATETIME_H #include "wx/datetime.inl" #undef INCLUDED_FROM_WX_DATETIME_H #endif // if we defined it to be empty above, restore it now -#undef inline +#ifdef wxDATETIME_DONT_INLINE + #undef inline +#endif // ============================================================================ // binary operators @@ -1201,7 +1394,7 @@ inline wxDateTime WXDLLEXPORT operator+(const wxDateTime& dt, inline wxDateTime WXDLLEXPORT operator-(const wxDateTime& dt, const wxTimeSpan& ts) { - return dt.Substract(ts); + return dt.Subtract(ts); } inline wxDateTime WXDLLEXPORT operator+(const wxDateTime& dt, @@ -1213,13 +1406,13 @@ inline wxDateTime WXDLLEXPORT operator+(const wxDateTime& dt, inline wxDateTime WXDLLEXPORT operator-(const wxDateTime& dt, const wxDateSpan& ds) { - return dt.Substract(ds); + return dt.Subtract(ds); } inline wxTimeSpan WXDLLEXPORT operator-(const wxDateTime& dt1, const wxDateTime& dt2) { - return dt1.Substract(dt2); + return dt1.Subtract(dt2); } // comparison @@ -1333,6 +1526,24 @@ inline bool WXDLLEXPORT operator!=(const wxTimeSpan &t1, const wxTimeSpan &t2) // wxDateSpan // ---------------------------------------------------------------------------- +// comparison +// ---------- + +// ds1 == d2 if and only if for every wxDateTime t t + ds1 == t + ds2 +inline WXDLLEXPORT bool operator==(const wxDateSpan& ds1, + const wxDateSpan& ds2) +{ + return ds1.GetYears() == ds2.GetYears() && + ds1.GetMonths() == ds2.GetMonths() && + ds1.GetTotalDays() == ds2.GetTotalDays(); +} + +inline WXDLLEXPORT bool operator!=(const wxDateSpan& ds1, + const wxDateSpan& ds2) +{ + return !(ds1 == ds2); +} + // arithmetics // ----------- @@ -1406,4 +1617,6 @@ inline WXDLLEXPORT void wxPrevWDay(wxDateTime::WeekDay& wd) : (wxDateTime::WeekDay)(wd - 1); } +#endif // wxUSE_DATETIME + #endif // _WX_DATETIME_H