X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cb1ef83399add5c5fecc729a2a57d715f0601f97..d642db66a5efc82d374b813022c72ba88bc50839:/include/wx/datetime.h diff --git a/include/wx/datetime.h b/include/wx/datetime.h index c40a90ee8c..5b6804709a 100644 --- a/include/wx/datetime.h +++ b/include/wx/datetime.h @@ -13,27 +13,27 @@ #ifndef _WX_DATETIME_H #define _WX_DATETIME_H -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "datetime.h" -#endif - #include "wx/defs.h" #if wxUSE_DATETIME -#ifndef __WXWINCE__ -#include +#ifdef __WXWINCE__ + #include "wx/msw/wince/time.h" #else -#include "wx/msw/wince/time.h" -#endif + #include +#endif // OS #include // for INT_MIN #include "wx/longlong.h" +#include "wx/anystr.h" -class WXDLLIMPEXP_BASE wxDateTime; -class WXDLLIMPEXP_BASE wxTimeSpan; -class WXDLLIMPEXP_BASE wxDateSpan; +class WXDLLIMPEXP_FWD_BASE wxDateTime; +class WXDLLIMPEXP_FWD_BASE wxTimeSpan; +class WXDLLIMPEXP_FWD_BASE wxDateSpan; +#ifdef __WINDOWS__ +struct _SYSTEMTIME; +#endif #include "wx/dynarray.h" @@ -41,11 +41,8 @@ class WXDLLIMPEXP_BASE wxDateSpan; // 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 +#define WX_TIME_BASE_OFFSET 0 + /* * TODO * @@ -108,14 +105,27 @@ class WXDLLIMPEXP_BASE wxDateSpan; // 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 WXDLLIMPEXP_BASE wxDateTime; +class WXDLLIMPEXP_FWD_BASE wxDateTime; -extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDefaultDateTimeFormat; -extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDefaultTimeSpanFormat; +extern WXDLLIMPEXP_DATA_BASE(const char) wxDefaultDateTimeFormat[]; +extern WXDLLIMPEXP_DATA_BASE(const char) wxDefaultTimeSpanFormat[]; extern WXDLLIMPEXP_DATA_BASE(const wxDateTime) wxDefaultDateTime; #define wxInvalidDateTime wxDefaultDateTime + +// ---------------------------------------------------------------------------- +// conditional compilation +// ---------------------------------------------------------------------------- + +// if configure detected strftime(), we have it too +#ifdef HAVE_STRFTIME + #define wxHAS_STRFTIME +// suppose everyone else has strftime except Win CE unless VC8 is used +#elif !defined(__WXWINCE__) || defined(__VISUALC8__) + #define wxHAS_STRFTIME +#endif + // ---------------------------------------------------------------------------- // wxDateTime represents an absolute moment in the time // ---------------------------------------------------------------------------- @@ -142,7 +152,7 @@ public: // the time in the current time zone Local, - // zones from GMT (= Greenwhich Mean Time): they're guaranteed to be + // zones from GMT (= Greenwich Mean Time): they're guaranteed to be // consequent numbers, so writing something like `GMT0 + offset' is // safe if abs(offset) <= 12 @@ -151,7 +161,7 @@ public: GMT_6, GMT_5, GMT_4, GMT_3, GMT_2, GMT_1, GMT0, GMT1, GMT2, GMT3, GMT4, GMT5, GMT6, - GMT7, GMT8, GMT9, GMT10, GMT11, GMT12, + GMT7, GMT8, GMT9, GMT10, GMT11, GMT12, GMT13, // Note that GMT12 and GMT_12 are not the same: there is a difference // of exactly one day between them @@ -185,10 +195,14 @@ public: // Australia A_WST = GMT8, // Western Standard Time - A_CST = GMT12 + 1, // Central Standard Time (+9.5) + A_CST = GMT13 + 1, // Central Standard Time (+9.5) A_EST = GMT10, // Eastern Standard Time A_ESST = GMT11, // Eastern Summer Time + // New Zealand + NZST = GMT12, // Standard Time + NZDT = GMT13, // Daylight Saving Time + // TODO add more symbolic timezone names here // Universal Coordinated Time = the new and politically correct name @@ -212,7 +226,7 @@ public: // adoption of the Gregorian calendar (see IsGregorian()) // // All data and comments taken verbatim from "The Calendar FAQ (v 2.0)" - // by Claus Tøndering, http://www.pip.dknet.dk/~c-t/calendar.html + // by Claus Tøndering, http://www.pip.dknet.dk/~c-t/calendar.html // except for the comments "we take". // // Symbol "->" should be read as "was followed by" in the comments @@ -394,13 +408,22 @@ public: // helper classes // ------------------------------------------------------------------------ - // a class representing a time zone: basicly, this is just an offset + // a class representing a time zone: basically, this is just an offset // (in seconds) from GMT class WXDLLIMPEXP_BASE TimeZone { public: TimeZone(TZ tz); - TimeZone(wxDateTime_t offset = 0) { m_offset = offset; } + + // create time zone object with the given offset + TimeZone(long offset = 0) { m_offset = offset; } + + static TimeZone Make(long offset) + { + TimeZone tz; + tz.m_offset = offset; + return tz; + } long GetOffset() const { return m_offset; } @@ -418,7 +441,9 @@ public: // instead of modifying the member fields directly! struct WXDLLIMPEXP_BASE Tm { - wxDateTime_t msec, sec, min, hour, mday; + wxDateTime_t msec, sec, min, hour, + mday, // Day of the month in 1..31 range. + yday; // Day of the year in 0..365 range. Month mon; int year; @@ -453,9 +478,10 @@ public: // the timezone we correspond to TimeZone m_tz; - // these values can't be accessed directly because they're not always - // computed and we calculate them on demand - wxDateTime_t wday, yday; + // This value can only be accessed via GetWeekDay() and not directly + // because it's not always computed when creating this object and may + // need to be calculated on demand. + wxDateTime_t wday; }; // static methods @@ -486,7 +512,7 @@ public: static bool IsLeapYear(int year = Inv_Year, Calendar cal = Gregorian); // get the century (19 for 1999, 20 for 2000 and -5 for 492 BC) - static int GetCentury(int year = Inv_Year); + static int GetCentury(int year); // returns the number of days in this year (356 or 355 for Gregorian // calendar usually :-) @@ -498,16 +524,25 @@ public: int year = Inv_Year, Calendar cal = Gregorian); + // get the full (default) or abbreviated month name in the current // locale, returns empty string on error static wxString GetMonthName(Month month, NameFlags flags = Name_Full); + // get the standard English full (default) or abbreviated month name + static wxString GetEnglishMonthName(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, NameFlags flags = Name_Full); + // get the standard English full (default) or abbreviated weekday name + static wxString GetEnglishWeekDayName(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); @@ -543,7 +578,7 @@ public: // ------------------------------------------------------------------------ // default ctor does not initialize the object, use Set()! - wxDateTime() { m_time = wxLongLong((long)ULONG_MAX, ULONG_MAX); } + wxDateTime() { m_time = wxLongLong(wxINT32_MIN, 0); } // from time_t: seconds since the Epoch 00:00:00 UTC, Jan 1, 1970) #if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400)) @@ -571,6 +606,12 @@ public: wxDateTime_t minute = 0, wxDateTime_t second = 0, wxDateTime_t millisec = 0); +#ifdef __WINDOWS__ + wxDateTime(const struct _SYSTEMTIME& st) + { + SetFromMSWSysTime(st); + } +#endif // default copy ctor ok @@ -618,6 +659,10 @@ public: // resets time to 00:00:00, doesn't change the date wxDateTime& ResetTime(); + // get the date part of this object only, i.e. the object which has the + // same date as this one but time of 00:00:00 + wxDateTime GetDateOnly() const; + // the following functions don't change the values of the other // fields, i.e. SetMinute() won't change either hour or seconds value @@ -648,7 +693,7 @@ 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): SetXXX() functions modify the + // unchanged, e.g. don't explicitly zero it): SetXXX() functions modify the // object itself, GetXXX() ones return a new object. // ------------------------------------------------------------------------ @@ -666,7 +711,7 @@ public: wxDateTime& SetToPrevWeekDay(WeekDay weekday); inline wxDateTime GetPrevWeekDay(WeekDay weekday) const; - // set to Nth occurence of given weekday in the given month of the + // set to Nth occurrence of given weekday in the given month of the // given year (time is set to 0), return true on success and false on // failure. n may be positive (1..5) or negative to count from the end // of the month (see helper function SetToLastWeekDay()) @@ -687,6 +732,7 @@ public: Month month = Inv_Month, int year = Inv_Year); +#if WXWIN_COMPATIBILITY_2_6 // 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) @@ -699,6 +745,7 @@ public: wxDEPRECATED( wxDateTime GetWeek(wxDateTime_t numWeek, WeekDay weekday = Mon, WeekFlags flags = Monday_First) const ); +#endif // WXWIN_COMPATIBILITY_2_6 // returns the date corresponding to the given week day of the given // week (in ISO notation) of the specified year @@ -757,26 +804,38 @@ public: // religious holidays (Easter...) or moon/solar eclipses? Some // algorithms can be found in the calendar FAQ - // timezone stuff: a wxDateTime object constructed using given - // day/month/year/hour/min/sec values correspond to this moment in local - // time. Using the functions below, it may be converted to another time - // zone (for example, the Unix epoch is wxDateTime(1, Jan, 1970).ToGMT()) + + // Timezone stuff: a wxDateTime object constructed using given + // day/month/year/hour/min/sec values is interpreted as this moment in + // local time. Using the functions below, it may be converted to another + // time zone (e.g., the Unix epoch is wxDateTime(1, Jan, 1970).ToGMT()). // - // these functions try to handle DST internally, but there is no magical + // 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, bool noDST = false) const; wxDateTime& MakeTimezone(const TimeZone& tz, bool noDST = false); - // transform to GMT/UTC - wxDateTime ToGMT(bool noDST = false) const { return ToTimezone(GMT0, noDST); } - wxDateTime& MakeGMT(bool noDST = false) { return MakeTimezone(GMT0, noDST); } + // interpret current value as being in another timezone and transform + // it to local one + inline wxDateTime FromTimezone(const TimeZone& tz, bool noDST = false) const; + wxDateTime& MakeFromTimezone(const TimeZone& tz, bool noDST = false); + + // transform to/from GMT/UTC + wxDateTime ToUTC(bool noDST = false) const { return ToTimezone(UTC, noDST); } + wxDateTime& MakeUTC(bool noDST = false) { return MakeTimezone(UTC, noDST); } + + wxDateTime ToGMT(bool noDST = false) const { return ToUTC(noDST); } + wxDateTime& MakeGMT(bool noDST = false) { return MakeUTC(noDST); } + + wxDateTime FromUTC(bool noDST = false) const + { return FromTimezone(UTC, noDST); } + wxDateTime& MakeFromUTC(bool noDST = false) + { return MakeFromTimezone(UTC, noDST); } // is daylight savings time in effect at this moment according to the // rules of the specified country? @@ -785,6 +844,7 @@ public: // the information is not available (this is compatible with ANSI C) int IsDST(Country country = Country_Default) const; + // accessors: many of them take the timezone parameter which indicates the // timezone for which to make the calculations and the default value means // to do it for the current timezone of this machine (even if the function @@ -806,6 +866,9 @@ public: // if the value is out of range inline time_t GetTicks() const; + // get the century, same as GetCentury(GetYear()) + int GetCentury(const TimeZone& tz = Local) const + { return GetCentury(GetYear(tz)); } // get the year (returns Inv_Year if date is invalid) int GetYear(const TimeZone& tz = Local) const { return GetTm(tz).year; } @@ -863,6 +926,20 @@ public: // pack the date in DOS format unsigned long GetAsDOS() const; + // SYSTEMTIME format + // ------------------------------------------------------------------------ +#ifdef __WINDOWS__ + // convert SYSTEMTIME to wxDateTime + wxDateTime& SetFromMSWSysTime(const struct _SYSTEMTIME& st); + + // convert wxDateTime to SYSTEMTIME + void GetAsMSWSysTime(struct _SYSTEMTIME* st) const; + + // same as above but only take date part into account, time is always zero + wxDateTime& SetFromMSWSysDate(const struct _SYSTEMTIME& st); + void GetAsMSWSysDate(struct _SYSTEMTIME* st) const; +#endif // __WINDOWS__ + // comparison (see also functions below for operator versions) // ------------------------------------------------------------------------ @@ -891,6 +968,42 @@ public: // are these two objects equal up to given timespan? inline bool IsEqualUpTo(const wxDateTime& dt, const wxTimeSpan& ts) const; + inline bool operator<(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") ); + return GetValue() < dt.GetValue(); + } + + inline bool operator<=(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") ); + return GetValue() <= dt.GetValue(); + } + + inline bool operator>(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") ); + return GetValue() > dt.GetValue(); + } + + inline bool operator>=(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") ); + return GetValue() >= dt.GetValue(); + } + + inline bool operator==(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") ); + return GetValue() == dt.GetValue(); + } + + inline bool operator!=(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), wxT("invalid wxDateTime") ); + return GetValue() != dt.GetValue(); + } + // arithmetics with dates (see also below for more operators) // ------------------------------------------------------------------------ @@ -900,6 +1013,12 @@ public: inline wxDateTime& Add(const wxTimeSpan& diff); // add a time span (positive or negative) inline wxDateTime& operator+=(const wxTimeSpan& diff); + inline wxDateTime operator+(const wxTimeSpan& ts) const + { + wxDateTime dt(*this); + dt.Add(ts); + return dt; + } // return the difference of the date with a time span inline wxDateTime Subtract(const wxTimeSpan& diff) const; @@ -907,6 +1026,12 @@ public: inline wxDateTime& Subtract(const wxTimeSpan& diff); // subtract a time span (positive or negative) inline wxDateTime& operator-=(const wxTimeSpan& diff); + inline wxDateTime operator-(const wxTimeSpan& ts) const + { + wxDateTime dt(*this); + dt.Subtract(ts); + return dt; + } // return the sum of the date with a date span inline wxDateTime Add(const wxDateSpan& diff) const; @@ -914,6 +1039,12 @@ public: wxDateTime& Add(const wxDateSpan& diff); // add a date span (positive or negative) inline wxDateTime& operator+=(const wxDateSpan& diff); + inline wxDateTime operator+(const wxDateSpan& ds) const + { + wxDateTime dt(*this); + dt.Add(ds); + return dt; + } // return the difference of the date with a date span inline wxDateTime Subtract(const wxDateSpan& diff) const; @@ -921,50 +1052,206 @@ public: inline wxDateTime& Subtract(const wxDateSpan& diff); // subtract a date span (positive or negative) inline wxDateTime& operator-=(const wxDateSpan& diff); + inline wxDateTime operator-(const wxDateSpan& ds) const + { + wxDateTime dt(*this); + dt.Subtract(ds); + return dt; + } // return the difference between two dates inline wxTimeSpan Subtract(const wxDateTime& dt) const; + inline wxTimeSpan operator-(const wxDateTime& dt2) const; + + wxDateSpan DiffAsDateSpan(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 - // the scan had to stop) or NULL on failure. + // conversion to/from text // ------------------------------------------------------------------------ + // all conversions functions return true to indicate whether parsing + // succeeded or failed and fill in the provided end iterator, which must + // not be NULL, with the location of the character where the parsing + // stopped (this will be end() of the passed string if everything was + // parsed) + // 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); + bool ParseRfc822Date(const wxString& date, + wxString::const_iterator *end); + // 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 = wxDefaultDateTimeFormat, - const wxDateTime& dateDef = wxDefaultDateTime); + bool ParseFormat(const wxString& date, + const wxString& format, + const wxDateTime& dateDef, + wxString::const_iterator *end); + + bool ParseFormat(const wxString& date, + const wxString& format, + wxString::const_iterator *end) + { + return ParseFormat(date, format, wxDefaultDateTime, end); + } + + bool ParseFormat(const wxString& date, + wxString::const_iterator *end) + { + return ParseFormat(date, wxDefaultDateTimeFormat, wxDefaultDateTime, end); + } + + // parse a string containing date, time or both in ISO 8601 format + // + // notice that these functions are new in wx 3.0 and so we don't + // provide compatibility overloads for them + bool ParseISODate(const wxString& date) + { + wxString::const_iterator end; + return ParseFormat(date, wxS("%Y-%m-%d"), &end) && end == date.end(); + } + + bool ParseISOTime(const wxString& time) + { + wxString::const_iterator end; + return ParseFormat(time, wxS("%H:%M:%S"), &end) && end == time.end(); + } + + bool ParseISOCombined(const wxString& datetime, char sep = 'T') + { + wxString::const_iterator end; + const wxString fmt = wxS("%Y-%m-%d") + wxString(sep) + wxS("%H:%M:%S"); + return ParseFormat(datetime, fmt, &end) && end == datetime.end(); + } + // 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); + bool ParseDateTime(const wxString& datetime, + wxString::const_iterator *end); + // parse a string containing the date only in "free" format (less // flexible than ParseDateTime) - const wxChar *ParseDate(const wxChar *date); + bool ParseDate(const wxString& date, + wxString::const_iterator *end); + // parse a string containing the time only in "free" format - const wxChar *ParseTime(const wxChar *time); + bool ParseTime(const wxString& time, + wxString::const_iterator *end); + // this function accepts strftime()-like format string (default // argument corresponds to the preferred date and time representation // for the current locale) and returns the string containing the // resulting text representation - wxString Format(const wxChar *format = wxDefaultDateTimeFormat, + wxString Format(const wxString& format = wxDefaultDateTimeFormat, const TimeZone& tz = Local) const; // preferred date representation for the current locale - wxString FormatDate() const { return Format(_T("%x")); } + wxString FormatDate() const { return Format(wxS("%x")); } // preferred time representation for the current locale - wxString FormatTime() const { return Format(_T("%X")); } + wxString FormatTime() const { return Format(wxS("%X")); } // returns the string representing the date in ISO 8601 format // (YYYY-MM-DD) - wxString FormatISODate() const { return Format(_T("%Y-%m-%d")); } + wxString FormatISODate() const { return Format(wxS("%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")); } + wxString FormatISOTime() const { return Format(wxS("%H:%M:%S")); } + // return the combined date time representation in ISO 8601 format; the + // separator character should be 'T' according to the standard but it + // can also be useful to set it to ' ' + wxString FormatISOCombined(char sep = 'T') const + { return FormatISODate() + sep + FormatISOTime(); } + + + // backwards compatible versions of the parsing functions: they return an + // object representing the next character following the date specification + // (i.e. the one where the scan had to stop) or a special NULL-like object + // on failure + // + // they're not deprecated because a lot of existing code uses them and + // there is no particular harm in keeping them but you should still prefer + // the versions above in the new code + wxAnyStrPtr ParseRfc822Date(const wxString& date) + { + wxString::const_iterator end; + return ParseRfc822Date(date, &end) ? wxAnyStrPtr(date, end) + : wxAnyStrPtr(); + } + + wxAnyStrPtr ParseFormat(const wxString& date, + const wxString& format = wxDefaultDateTimeFormat, + const wxDateTime& dateDef = wxDefaultDateTime) + { + wxString::const_iterator end; + return ParseFormat(date, format, dateDef, &end) ? wxAnyStrPtr(date, end) + : wxAnyStrPtr(); + } + + wxAnyStrPtr ParseDateTime(const wxString& datetime) + { + wxString::const_iterator end; + return ParseDateTime(datetime, &end) ? wxAnyStrPtr(datetime, end) + : wxAnyStrPtr(); + } + + wxAnyStrPtr ParseDate(const wxString& date) + { + wxString::const_iterator end; + return ParseDate(date, &end) ? wxAnyStrPtr(date, end) + : wxAnyStrPtr(); + } + + wxAnyStrPtr ParseTime(const wxString& time) + { + wxString::const_iterator end; + return ParseTime(time, &end) ? wxAnyStrPtr(time, end) + : wxAnyStrPtr(); + } + + // In addition to wxAnyStrPtr versions above we also must provide the + // overloads for C strings as we must return a pointer into the original + // string and not inside a temporary wxString which would have been created + // if the overloads above were used. + // + // And then we also have to provide the overloads for wxCStrData, as usual. + // Unfortunately those ones can't return anything as we don't have any + // sufficiently long-lived wxAnyStrPtr to return from them: any temporary + // strings it would point to would be destroyed when this function returns + // making it impossible to dereference the return value. So we just don't + // return anything from here which at least allows to keep compatibility + // with the code not testing the return value. Other uses of this method + // need to be converted to use one of the new bool-returning overloads + // above. + void ParseRfc822Date(const wxCStrData& date) + { ParseRfc822Date(wxString(date)); } + const char* ParseRfc822Date(const char* date); + const wchar_t* ParseRfc822Date(const wchar_t* date); + + void ParseFormat(const wxCStrData& date, + const wxString& format = wxDefaultDateTimeFormat, + const wxDateTime& dateDef = wxDefaultDateTime) + { ParseFormat(wxString(date), format, dateDef); } + const char* ParseFormat(const char* date, + const wxString& format = wxDefaultDateTimeFormat, + const wxDateTime& dateDef = wxDefaultDateTime); + const wchar_t* ParseFormat(const wchar_t* date, + const wxString& format = wxDefaultDateTimeFormat, + const wxDateTime& dateDef = wxDefaultDateTime); + + void ParseDateTime(const wxCStrData& datetime) + { ParseDateTime(wxString(datetime)); } + const char* ParseDateTime(const char* datetime); + const wchar_t* ParseDateTime(const wchar_t* datetime); + + void ParseDate(const wxCStrData& date) + { ParseDate(wxString(date)); } + const char* ParseDate(const char* date); + const wchar_t* ParseDate(const wchar_t* date); + + void ParseTime(const wxCStrData& time) + { ParseTime(wxString(time)); } + const char* ParseTime(const char* time); + const wchar_t* ParseTime(const wchar_t* time); + // implementation // ------------------------------------------------------------------------ @@ -976,15 +1263,18 @@ public: inline wxLongLong GetValue() const; // a helper function to get the current time_t - static time_t GetTimeNow() { return time((time_t *)NULL); } + static time_t GetTimeNow() { return time(NULL); } // another one to get the current time broken down static struct tm *GetTmNow() { - time_t t = GetTimeNow(); - return localtime(&t); + static struct tm l_CurrentTime; + return GetTmNow(&l_CurrentTime); } + // get current time using thread-safe function + static struct tm *GetTmNow(struct tm *tmstruct); + private: // the current country - as it's the same for all program objects (unless // it runs on a _really_ big cluster system :-), this is a static member: @@ -1018,8 +1308,12 @@ public: // constructors // ------------------------------------------------------------------------ + // return the timespan for the given number of milliseconds + static wxTimeSpan Milliseconds(wxLongLong ms) { return wxTimeSpan(0, 0, 0, ms); } + static wxTimeSpan Millisecond() { return Milliseconds(1); } + // return the timespan for the given number of seconds - static wxTimeSpan Seconds(long sec) { return wxTimeSpan(0, 0, sec); } + static wxTimeSpan Seconds(wxLongLong sec) { return wxTimeSpan(0, 0, sec); } static wxTimeSpan Second() { return Seconds(1); } // return the timespan for the given number of minutes @@ -1046,8 +1340,8 @@ public: // milliseconds) inline wxTimeSpan(long hours, long minutes = 0, - long seconds = 0, - long milliseconds = 0); + wxLongLong seconds = 0, + wxLongLong milliseconds = 0); // default copy ctor is ok @@ -1062,6 +1356,10 @@ public: inline wxTimeSpan& Add(const wxTimeSpan& diff); // add two timespans together wxTimeSpan& operator+=(const wxTimeSpan& diff) { return Add(diff); } + inline wxTimeSpan operator+(const wxTimeSpan& ts) const + { + return wxTimeSpan(GetValue() + ts.GetValue()); + } // return the difference of two timespans inline wxTimeSpan Subtract(const wxTimeSpan& diff) const; @@ -1069,6 +1367,10 @@ public: inline wxTimeSpan& Subtract(const wxTimeSpan& diff); // subtract another timespan wxTimeSpan& operator-=(const wxTimeSpan& diff) { return Subtract(diff); } + inline wxTimeSpan operator-(const wxTimeSpan& ts) + { + return wxTimeSpan(GetValue() - ts.GetValue()); + } // multiply timespan by a scalar inline wxTimeSpan Multiply(int n) const; @@ -1076,8 +1378,12 @@ public: inline wxTimeSpan& Multiply(int n); // multiply timespan by a scalar wxTimeSpan& operator*=(int n) { return Multiply(n); } + inline wxTimeSpan operator*(int n) const + { + return wxTimeSpan(*this).Multiply(n); + } - // return this timespan with inversed sign + // return this timespan with opposite sign wxTimeSpan Negate() const { return wxTimeSpan(-GetValue()); } // negate the value of the timespan wxTimeSpan& Neg() { m_diff = -GetValue(); return *this; } @@ -1114,7 +1420,37 @@ public: // compare two timestamps: works with the absolute values, i.e. 1 // hour is shorter than -2 hours. Also, it will return false if the // timespans are equal in absolute value. - bool IsShorterThan(const wxTimeSpan& t) const { return !IsLongerThan(t); } + bool IsShorterThan(const wxTimeSpan& t) const; + + inline bool operator<(const wxTimeSpan &ts) const + { + return GetValue() < ts.GetValue(); + } + + inline bool operator<=(const wxTimeSpan &ts) const + { + return GetValue() <= ts.GetValue(); + } + + inline bool operator>(const wxTimeSpan &ts) const + { + return GetValue() > ts.GetValue(); + } + + inline bool operator>=(const wxTimeSpan &ts) const + { + return GetValue() >= ts.GetValue(); + } + + inline bool operator==(const wxTimeSpan &ts) const + { + return GetValue() == ts.GetValue(); + } + + inline bool operator!=(const wxTimeSpan &ts) const + { + return GetValue() != ts.GetValue(); + } // breaking into days, hours, minutes and seconds // ------------------------------------------------------------------------ @@ -1141,7 +1477,7 @@ 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 = wxDefaultTimeSpanFormat) const; + wxString Format(const wxString& format = wxDefaultTimeSpanFormat) const; // implementation // ------------------------------------------------------------------------ @@ -1243,6 +1579,8 @@ public: int GetYears() const { return m_years; } // get number of months int GetMonths() const { return m_months; } + // returns 12*GetYears() + GetMonths() + int GetTotalMonths() const { return 12*m_years + m_months; } // get number of weeks int GetWeeks() const { return m_weeks; } // get number of days @@ -1259,6 +1597,13 @@ public: inline wxDateSpan& Add(const wxDateSpan& other); // add another wxDateSpan to us inline wxDateSpan& operator+=(const wxDateSpan& other); + inline wxDateSpan operator+(const wxDateSpan& ds) const + { + return wxDateSpan(GetYears() + ds.GetYears(), + GetMonths() + ds.GetMonths(), + GetWeeks() + ds.GetWeeks(), + GetDays() + ds.GetDays()); + } // return difference of two date spans inline wxDateSpan Subtract(const wxDateSpan& other) const; @@ -1266,6 +1611,13 @@ public: inline wxDateSpan& Subtract(const wxDateSpan& other); // subtract another wxDateSpan from us inline wxDateSpan& operator-=(const wxDateSpan& other); + inline wxDateSpan operator-(const wxDateSpan& ds) const + { + return wxDateSpan(GetYears() - ds.GetYears(), + GetMonths() - ds.GetMonths(), + GetWeeks() - ds.GetWeeks(), + GetDays() - ds.GetDays()); + } // return a copy of this time span with changed sign inline wxDateSpan Negate() const; @@ -1280,6 +1632,23 @@ public: inline wxDateSpan& Multiply(int factor); // multiply all components by a (signed) number inline wxDateSpan& operator*=(int factor) { return Multiply(factor); } + inline wxDateSpan operator*(int n) const + { + return wxDateSpan(*this).Multiply(n); + } + + // ds1 == d2 if and only if for every wxDateTime t t + ds1 == t + ds2 + inline bool operator==(const wxDateSpan& ds) const + { + return GetYears() == ds.GetYears() && + GetMonths() == ds.GetMonths() && + GetTotalDays() == ds.GetTotalDays(); + } + + inline bool operator!=(const wxDateSpan& ds) const + { + return !(*this == ds); + } private: int m_years, @@ -1303,7 +1672,7 @@ WX_DECLARE_USER_EXPORTED_OBJARRAY(wxDateTime, wxDateTimeArray, WXDLLIMPEXP_BASE) // virtual methods to work with the holidays they correspond to. // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_BASE wxDateTimeHolidayAuthority; +class WXDLLIMPEXP_FWD_BASE wxDateTimeHolidayAuthority; WX_DEFINE_USER_EXPORTED_ARRAY_PTR(wxDateTimeHolidayAuthority *, wxHolidayAuthoritiesArray, class WXDLLIMPEXP_BASE); @@ -1388,13 +1757,16 @@ protected: inline bool wxDateTime::IsInStdRange() const { - return m_time >= 0l && (m_time / TIME_T_FACTOR) < LONG_MAX; + // currently we don't know what is the real type of time_t so prefer to err + // on the safe side and limit it to 32 bit values which is safe everywhere + return m_time >= 0l && (m_time / TIME_T_FACTOR) < wxINT32_MAX; } /* static */ inline wxDateTime wxDateTime::Now() { - return wxDateTime(*GetTmNow()); + struct tm tmstruct; + return wxDateTime(*GetTmNow(&tmstruct)); } /* static */ @@ -1409,9 +1781,16 @@ inline wxDateTime wxDateTime::Today() #if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400)) inline wxDateTime& wxDateTime::Set(time_t timet) { - // assign first to avoid long multiplication overflow! - m_time = timet - WX_TIME_BASE_OFFSET ; - m_time *= TIME_T_FACTOR; + if ( timet == (time_t)-1 ) + { + m_time = wxInvalidDateTime.m_time; + } + else + { + // assign first to avoid long multiplication overflow! + m_time = timet - WX_TIME_BASE_OFFSET; + m_time *= TIME_T_FACTOR; + } return *this; } @@ -1447,9 +1826,10 @@ inline wxDateTime::wxDateTime(double jdn) inline wxDateTime& wxDateTime::Set(const Tm& tm) { - wxASSERT_MSG( tm.IsValid(), _T("invalid broken down date/time") ); + wxASSERT_MSG( tm.IsValid(), wxT("invalid broken down date/time") ); - return Set(tm.mday, (Month)tm.mon, tm.year, tm.hour, tm.min, tm.sec); + return Set(tm.mday, (Month)tm.mon, tm.year, + tm.hour, tm.min, tm.sec, tm.msec); } inline wxDateTime::wxDateTime(wxDateTime_t hour, @@ -1477,20 +1857,20 @@ inline wxDateTime::wxDateTime(wxDateTime_t day, inline wxLongLong wxDateTime::GetValue() const { - wxASSERT_MSG( IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid(), wxT("invalid wxDateTime")); return m_time; } inline time_t wxDateTime::GetTicks() const { - wxASSERT_MSG( IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid(), wxT("invalid wxDateTime")); if ( !IsInStdRange() ) { return (time_t)-1; } - return (time_t)((m_time / (long)TIME_T_FACTOR).GetLo())+WX_TIME_BASE_OFFSET ; + return (time_t)((m_time / (long)TIME_T_FACTOR).ToLong()) + WX_TIME_BASE_OFFSET; } inline bool wxDateTime::SetToLastWeekDay(WeekDay weekday, @@ -1552,21 +1932,21 @@ inline wxDateTime wxDateTime::GetYearDay(wxDateTime_t yday) const inline bool wxDateTime::IsEqualTo(const wxDateTime& datetime) const { - wxASSERT_MSG( IsValid() && datetime.IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid() && datetime.IsValid(), wxT("invalid wxDateTime")); return m_time == datetime.m_time; } inline bool wxDateTime::IsEarlierThan(const wxDateTime& datetime) const { - wxASSERT_MSG( IsValid() && datetime.IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid() && datetime.IsValid(), wxT("invalid wxDateTime")); return m_time < datetime.m_time; } inline bool wxDateTime::IsLaterThan(const wxDateTime& datetime) const { - wxASSERT_MSG( IsValid() && datetime.IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid() && datetime.IsValid(), wxT("invalid wxDateTime")); return m_time > datetime.m_time; } @@ -1623,14 +2003,14 @@ inline bool wxDateTime::IsEqualUpTo(const wxDateTime& dt, inline wxDateTime wxDateTime::Add(const wxTimeSpan& diff) const { - wxASSERT_MSG( IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid(), wxT("invalid wxDateTime")); return wxDateTime(m_time + diff.GetValue()); } inline wxDateTime& wxDateTime::Add(const wxTimeSpan& diff) { - wxASSERT_MSG( IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid(), wxT("invalid wxDateTime")); m_time += diff.GetValue(); @@ -1644,14 +2024,14 @@ inline wxDateTime& wxDateTime::operator+=(const wxTimeSpan& diff) inline wxDateTime wxDateTime::Subtract(const wxTimeSpan& diff) const { - wxASSERT_MSG( IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid(), wxT("invalid wxDateTime")); return wxDateTime(m_time - diff.GetValue()); } inline wxDateTime& wxDateTime::Subtract(const wxTimeSpan& diff) { - wxASSERT_MSG( IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid(), wxT("invalid wxDateTime")); m_time -= diff.GetValue(); @@ -1665,11 +2045,16 @@ inline wxDateTime& wxDateTime::operator-=(const wxTimeSpan& diff) inline wxTimeSpan wxDateTime::Subtract(const wxDateTime& datetime) const { - wxASSERT_MSG( IsValid() && datetime.IsValid(), _T("invalid wxDateTime")); + wxASSERT_MSG( IsValid() && datetime.IsValid(), wxT("invalid wxDateTime")); return wxTimeSpan(GetValue() - datetime.GetValue()); } +inline wxTimeSpan wxDateTime::operator-(const wxDateTime& dt2) const +{ + return this->Subtract(dt2); +} + inline wxDateTime wxDateTime::Add(const wxDateSpan& diff) const { return wxDateTime(*this).Add(diff); @@ -1699,20 +2084,26 @@ inline wxDateTime& wxDateTime::operator+=(const wxDateSpan& diff) // wxDateTime and timezones // ---------------------------------------------------------------------------- -inline wxDateTime wxDateTime::ToTimezone(const wxDateTime::TimeZone& tz, - bool noDST) const +inline wxDateTime +wxDateTime::ToTimezone(const wxDateTime::TimeZone& tz, bool noDST) const { MODIFY_AND_RETURN( MakeTimezone(tz, noDST) ); } +inline wxDateTime +wxDateTime::FromTimezone(const wxDateTime::TimeZone& tz, bool noDST) const +{ + MODIFY_AND_RETURN( MakeFromTimezone(tz, noDST) ); +} + // ---------------------------------------------------------------------------- // wxTimeSpan construction // ---------------------------------------------------------------------------- inline wxTimeSpan::wxTimeSpan(long hours, long minutes, - long seconds, - long milliseconds) + wxLongLong seconds, + wxLongLong milliseconds) { // assign first to avoid precision loss m_diff = hours; @@ -1735,7 +2126,9 @@ inline wxLongLong wxTimeSpan::GetSeconds() const inline int wxTimeSpan::GetMinutes() const { - return (GetSeconds() / 60l).GetLo(); + // For compatibility, this method (and the other accessors) return int, + // even though GetLo() actually returns unsigned long with greater range. + return static_cast((GetSeconds() / 60l).GetLo()); } inline int wxTimeSpan::GetHours() const @@ -1808,6 +2201,11 @@ inline bool wxTimeSpan::IsLongerThan(const wxTimeSpan& ts) const return GetValue().Abs() > ts.GetValue().Abs(); } +inline bool wxTimeSpan::IsShorterThan(const wxTimeSpan& ts) const +{ + return GetValue().Abs() < ts.GetValue().Abs(); +} + // ---------------------------------------------------------------------------- // wxDateSpan // ---------------------------------------------------------------------------- @@ -1891,204 +2289,17 @@ inline wxDateSpan wxDateSpan::Subtract(const wxDateSpan& other) const // binary operators // ============================================================================ -// ---------------------------------------------------------------------------- -// wxDateTime operators -// ---------------------------------------------------------------------------- - -// arithmetics -// ----------- - -// no need to check for validity - the member functions we call will do it - -inline wxDateTime WXDLLIMPEXP_BASE operator+(const wxDateTime& dt, - const wxTimeSpan& ts) -{ - return dt.Add(ts); -} - -inline wxDateTime WXDLLIMPEXP_BASE operator-(const wxDateTime& dt, - const wxTimeSpan& ts) -{ - return dt.Subtract(ts); -} - -inline wxDateTime WXDLLIMPEXP_BASE operator+(const wxDateTime& dt, - const wxDateSpan& ds) -{ - return dt.Add(ds); -} - -inline wxDateTime WXDLLIMPEXP_BASE operator-(const wxDateTime& dt, - const wxDateSpan& ds) -{ - return dt.Subtract(ds); -} - -inline wxTimeSpan WXDLLIMPEXP_BASE operator-(const wxDateTime& dt1, - const wxDateTime& dt2) -{ - return dt1.Subtract(dt2); -} - -// comparison -// ---------- - -inline bool WXDLLIMPEXP_BASE operator<(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() < t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator<=(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() <= t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator>(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() > t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator>=(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() >= t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator==(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() == t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator!=(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() != t2.GetValue(); -} - // ---------------------------------------------------------------------------- // wxTimeSpan operators // ---------------------------------------------------------------------------- -// arithmetics -// ----------- - -inline wxTimeSpan WXDLLIMPEXP_BASE operator+(const wxTimeSpan& ts1, - const wxTimeSpan& ts2) -{ - return wxTimeSpan(ts1.GetValue() + ts2.GetValue()); -} - -inline wxTimeSpan WXDLLIMPEXP_BASE operator-(const wxTimeSpan& ts1, - const wxTimeSpan& ts2) -{ - return wxTimeSpan(ts1.GetValue() - ts2.GetValue()); -} - -inline wxTimeSpan WXDLLIMPEXP_BASE operator*(const wxTimeSpan& ts, int n) -{ - return wxTimeSpan(ts).Multiply(n); -} - -inline wxTimeSpan WXDLLIMPEXP_BASE operator*(int n, const wxTimeSpan& ts) -{ - return wxTimeSpan(ts).Multiply(n); -} - -// comparison -// ---------- - -inline bool WXDLLIMPEXP_BASE operator<(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() < t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator<=(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() <= t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator>(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() > t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator>=(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() >= t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator==(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() == t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator!=(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() != t2.GetValue(); -} +wxTimeSpan WXDLLIMPEXP_BASE operator*(int n, const wxTimeSpan& ts); // ---------------------------------------------------------------------------- // wxDateSpan // ---------------------------------------------------------------------------- -// comparison -// ---------- - -// ds1 == d2 if and only if for every wxDateTime t t + ds1 == t + ds2 -inline WXDLLIMPEXP_BASE bool operator==(const wxDateSpan& ds1, - const wxDateSpan& ds2) -{ - return ds1.GetYears() == ds2.GetYears() && - ds1.GetMonths() == ds2.GetMonths() && - ds1.GetTotalDays() == ds2.GetTotalDays(); -} - -inline WXDLLIMPEXP_BASE bool operator!=(const wxDateSpan& ds1, - const wxDateSpan& ds2) -{ - return !(ds1 == ds2); -} - -// arithmetics -// ----------- - -inline WXDLLIMPEXP_BASE wxDateSpan operator+(const wxDateSpan& ds1, - const wxDateSpan& ds2) -{ - return wxDateSpan(ds1.GetYears() + ds2.GetYears(), - ds1.GetMonths() + ds2.GetMonths(), - ds1.GetWeeks() + ds2.GetWeeks(), - ds1.GetDays() + ds2.GetDays()); -} - -inline WXDLLIMPEXP_BASE wxDateSpan operator-(const wxDateSpan& ds1, - const wxDateSpan& ds2) -{ - return wxDateSpan(ds1.GetYears() - ds2.GetYears(), - ds1.GetMonths() - ds2.GetMonths(), - ds1.GetWeeks() - ds2.GetWeeks(), - ds1.GetDays() - ds2.GetDays()); -} - -inline WXDLLIMPEXP_BASE wxDateSpan operator*(const wxDateSpan& ds, int n) -{ - return wxDateSpan(ds).Multiply(n); -} - -inline WXDLLIMPEXP_BASE wxDateSpan operator*(int n, const wxDateSpan& ds) -{ - return wxDateSpan(ds).Multiply(n); -} +wxDateSpan WXDLLIMPEXP_BASE operator*(int n, const wxDateSpan& ds); // ============================================================================ // other helper functions @@ -2100,37 +2311,10 @@ inline WXDLLIMPEXP_BASE wxDateSpan operator*(int n, const wxDateSpan& ds) // for ( m = wxDateTime::Jan; m < wxDateTime::Inv_Month; wxNextMonth(m) ) // ---------------------------------------------------------------------------- -inline WXDLLIMPEXP_BASE void wxNextMonth(wxDateTime::Month& m) -{ - wxASSERT_MSG( m < wxDateTime::Inv_Month, _T("invalid month") ); - - // no wrapping or the for loop above would never end! - m = (wxDateTime::Month)(m + 1); -} - -inline WXDLLIMPEXP_BASE void wxPrevMonth(wxDateTime::Month& m) -{ - wxASSERT_MSG( m < wxDateTime::Inv_Month, _T("invalid month") ); - - m = m == wxDateTime::Jan ? wxDateTime::Inv_Month - : (wxDateTime::Month)(m - 1); -} - -inline WXDLLIMPEXP_BASE void wxNextWDay(wxDateTime::WeekDay& wd) -{ - wxASSERT_MSG( wd < wxDateTime::Inv_WeekDay, _T("invalid week day") ); - - // no wrapping or the for loop above would never end! - wd = (wxDateTime::WeekDay)(wd + 1); -} - -inline WXDLLIMPEXP_BASE void wxPrevWDay(wxDateTime::WeekDay& wd) -{ - wxASSERT_MSG( wd < wxDateTime::Inv_WeekDay, _T("invalid week day") ); - - wd = wd == wxDateTime::Sun ? wxDateTime::Inv_WeekDay - : (wxDateTime::WeekDay)(wd - 1); -} +WXDLLIMPEXP_BASE void wxNextMonth(wxDateTime::Month& m); +WXDLLIMPEXP_BASE void wxPrevMonth(wxDateTime::Month& m); +WXDLLIMPEXP_BASE void wxNextWDay(wxDateTime::WeekDay& wd); +WXDLLIMPEXP_BASE void wxPrevWDay(wxDateTime::WeekDay& wd); #endif // wxUSE_DATETIME