#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
// wxInvalidDateTime)
class WXDLLIMPEXP_BASE wxDateTime;
+extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDefaultDateTimeFormat;
+extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDefaultTimeSpanFormat;
extern WXDLLIMPEXP_DATA_BASE(const wxDateTime) wxDefaultDateTime;
+
#define wxInvalidDateTime wxDefaultDateTime
// ----------------------------------------------------------------------------
// 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?
// 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
// 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(), _T("invalid wxDateTime") );
+ return GetValue() < dt.GetValue();
+ }
+
+ inline bool operator<=(const wxDateTime& dt) const
+ {
+ wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") );
+ return GetValue() <= dt.GetValue();
+ }
+
+ inline bool operator>(const wxDateTime& dt) const
+ {
+ wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") );
+ return GetValue() > dt.GetValue();
+ }
+
+ inline bool operator>=(const wxDateTime& dt) const
+ {
+ wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") );
+ return GetValue() >= dt.GetValue();
+ }
+
+ inline bool operator==(const wxDateTime& dt) const
+ {
+ wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") );
+ return GetValue() == dt.GetValue();
+ }
+
+ inline bool operator!=(const wxDateTime& dt) const
+ {
+ wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") );
+ return GetValue() != dt.GetValue();
+ }
+
// arithmetics with dates (see also below for more operators)
// ------------------------------------------------------------------------
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;
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;
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;
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;
// conversion to/from text: all conversions from text return the pointer to
// the next character following the date specification (i.e. the one where
// 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 = wxDefaultDateTimeFormat,
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
// 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 = _T("%c"),
+ wxString Format(const wxChar *format = wxDefaultDateTimeFormat,
const TimeZone& tz = Local) const;
// preferred date representation for the current locale
wxString FormatDate() const { return Format(_T("%x")); }
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;
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;
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; }
// timespans are equal in absolute value.
bool IsShorterThan(const wxTimeSpan& t) const { return !IsLongerThan(t); }
+ 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
// ------------------------------------------------------------------------
// 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("%H:%M:%S")) const;
+ wxString Format(const wxChar *format = wxDefaultTimeSpanFormat) const;
// implementation
// ------------------------------------------------------------------------
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;
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;
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,
/* static */
inline wxDateTime wxDateTime::Today()
{
- struct tm *time = GetTmNow();
- time->tm_hour = 0;
- time->tm_min = 0;
- time->tm_sec = 0;
+ wxDateTime dt(Now());
+ dt.ResetTime();
- return wxDateTime(*time);
+ return dt;
}
#if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400))
{
wxASSERT_MSG( tm.IsValid(), _T("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,
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);
// 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
// ----------------------------------------------------------------------------
// 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
// 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
projects / wxWidgets.git / blobdiff