X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2f02cb8966964ea7a6f5d875ed9f3434ea05ab59..94799627ee0ad217b2fc41df5bd5bccf59494e00:/include/wx/datetime.inl

diff --git a/include/wx/datetime.inl b/include/wx/datetime.inl
index 1ae112d5ad..8d3112b6a4 100644
--- a/include/wx/datetime.inl
+++ b/include/wx/datetime.inl
@@ -17,14 +17,19 @@
 #endif
 
 // ----------------------------------------------------------------------------
-// wxDateTime statics
+// private macros
 // ----------------------------------------------------------------------------
 
-/* static */
-wxDateTime::Country wxDateTime::GetCountry()
-{
-    return ms_country;
-}
+#define MILLISECONDS_PER_DAY 86400000l
+
+// some broken compilers (HP-UX CC) refuse to compile the "normal" version, but
+// using a temp variable always might prevent other compilers from optimising
+// it away - hence use of this ugly macro
+#ifndef __HPUX__
+    #define MODIFY_AND_RETURN(op) return wxDateTime(*this).op
+#else
+    #define MODIFY_AND_RETURN(op) wxDateTime dt(*this); dt.op; return dt
+#endif
 
 // ----------------------------------------------------------------------------
 // wxDateTime construction
@@ -32,20 +37,32 @@ wxDateTime::Country wxDateTime::GetCountry()
 
 // only define this once, when included from datetime.cpp
 #ifdef wxDEFINE_TIME_CONSTANTS
-    const unsigned int wxDateTime::TIME_T_FACTOR = 1000;
+    const long wxDateTime::TIME_T_FACTOR = 1000l;
 #endif // wxDEFINE_TIME_CONSTANTS
 
-wxDateTime::IsInStdRange() const
+bool wxDateTime::IsInStdRange() const
 {
-    return m_time >= 0l && (m_time / (long)TIME_T_FACTOR) < LONG_MAX;
+    return m_time >= 0l && (m_time / TIME_T_FACTOR) < LONG_MAX;
 }
 
 /* static */
 wxDateTime wxDateTime::Now()
 {
-    return wxDateTime(GetTimeNow());
+    return wxDateTime(*GetTmNow());
+}
+
+/* static */
+wxDateTime wxDateTime::Today()
+{
+    struct tm *tm = GetTmNow();
+    tm->tm_hour =
+    tm->tm_min =
+    tm->tm_sec = 0;
+
+    return wxDateTime(*tm);
 }
 
+#if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400))
 wxDateTime& wxDateTime::Set(time_t timet)
 {
     // assign first to avoid long multiplication overflow!
@@ -54,16 +71,20 @@ wxDateTime& wxDateTime::Set(time_t timet)
 
     return *this;
 }
+#endif
 
 wxDateTime& wxDateTime::SetToCurrent()
 {
-    return Set(GetTimeNow());
+    *this = Now();
+    return *this;
 }
 
+#if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400))
 wxDateTime::wxDateTime(time_t timet)
 {
     Set(timet);
 }
+#endif
 
 wxDateTime::wxDateTime(const struct tm& tm)
 {
@@ -75,6 +96,11 @@ wxDateTime::wxDateTime(const Tm& tm)
     Set(tm);
 }
 
+wxDateTime::wxDateTime(double jdn)
+{
+    Set(jdn);
+}
+
 wxDateTime& wxDateTime::Set(const Tm& tm)
 {
     wxASSERT_MSG( tm.IsValid(), _T("invalid broken down date/time") );
@@ -107,14 +133,14 @@ wxDateTime::wxDateTime(wxDateTime_t day,
 
 wxLongLong wxDateTime::GetValue() const
 {
-    wxASSERT_MSG( IsValid(), "invalid wxDateTime");
+    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime"));
 
     return m_time;
 }
 
 time_t wxDateTime::GetTicks() const
 {
-    wxASSERT_MSG( IsValid(), "invalid wxDateTime");
+    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime"));
     if ( !IsInStdRange() )
     {
         return (time_t)-1;
@@ -130,37 +156,78 @@ bool wxDateTime::SetToLastWeekDay(WeekDay weekday,
     return SetToWeekDay(weekday, -1, month, year);
 }
 
-// ----------------------------------------------------------------------------
-// wxDateTime comparison
-// ----------------------------------------------------------------------------
+wxDateTime wxDateTime::GetWeekDayInSameWeek(WeekDay weekday) const
+{
+    MODIFY_AND_RETURN( SetToWeekDayInSameWeek(weekday) );
+}
 
-bool wxDateTime::IsEqualTo(const wxDateTime& datetime) const
+wxDateTime wxDateTime::GetNextWeekDay(WeekDay weekday) const
 {
-    wxASSERT_MSG( IsValid() && datetime.IsValid(), "invalid wxDateTime");
+    MODIFY_AND_RETURN( SetToNextWeekDay(weekday) );
+}
 
-    return m_time == datetime.m_time;
+wxDateTime wxDateTime::GetPrevWeekDay(WeekDay weekday) const
+{
+    MODIFY_AND_RETURN( SetToPrevWeekDay(weekday) );
 }
 
-bool wxDateTime::operator==(const wxDateTime& datetime) const
+wxDateTime wxDateTime::GetWeekDay(WeekDay weekday,
+                                  int n,
+                                  Month month,
+                                  int year) const
 {
-    return IsEqualTo(datetime);
+    wxDateTime dt(*this);
+
+    return dt.SetToWeekDay(weekday, n, month, year) ? dt : wxInvalidDateTime;
 }
 
-bool wxDateTime::operator!=(const wxDateTime& datetime) const
+wxDateTime wxDateTime::GetLastWeekDay(WeekDay weekday,
+                                      Month month,
+                                      int year)
 {
-    return !IsEqualTo(datetime);
+    wxDateTime dt(*this);
+
+    return dt.SetToLastWeekDay(weekday, month, year) ? dt : wxInvalidDateTime;
+}
+
+wxDateTime wxDateTime::GetWeek(wxDateTime_t numWeek, WeekDay weekday) const
+{
+    wxDateTime dt(*this);
+
+    return dt.SetToTheWeek(numWeek, weekday) ? dt : wxInvalidDateTime;
+}
+
+wxDateTime wxDateTime::GetLastMonthDay(Month month, int year) const
+{
+    MODIFY_AND_RETURN( SetToLastMonthDay(month, year) );
+}
+
+wxDateTime wxDateTime::GetYearDay(wxDateTime_t yday) const
+{
+    MODIFY_AND_RETURN( SetToYearDay(yday) );
+}
+
+// ----------------------------------------------------------------------------
+// wxDateTime comparison
+// ----------------------------------------------------------------------------
+
+bool wxDateTime::IsEqualTo(const wxDateTime& datetime) const
+{
+    wxASSERT_MSG( IsValid() && datetime.IsValid(), _T("invalid wxDateTime"));
+
+    return m_time == datetime.m_time;
 }
 
 bool wxDateTime::IsEarlierThan(const wxDateTime& datetime) const
 {
-    wxASSERT_MSG( IsValid() && datetime.IsValid(), "invalid wxDateTime");
+    wxASSERT_MSG( IsValid() && datetime.IsValid(), _T("invalid wxDateTime"));
 
     return m_time < datetime.m_time;
 }
 
 bool wxDateTime::IsLaterThan(const wxDateTime& datetime) const
 {
-    wxASSERT_MSG( IsValid() && datetime.IsValid(), "invalid wxDateTime");
+    wxASSERT_MSG( IsValid() && datetime.IsValid(), _T("invalid wxDateTime"));
 
     return m_time > datetime.m_time;
 }
@@ -178,13 +245,46 @@ bool wxDateTime::IsBetween(const wxDateTime& t1, const wxDateTime& t2) const
     return IsEqualTo(t1) || IsEqualTo(t2) || IsStrictlyBetween(t1, t2);
 }
 
+bool wxDateTime::IsSameDate(const wxDateTime& dt) const
+{
+    return (m_time - dt.m_time).Abs() < MILLISECONDS_PER_DAY;
+}
+
+bool wxDateTime::IsSameTime(const wxDateTime& dt) const
+{
+    // notice that we can't do something like this:
+    //
+    //    m_time % MILLISECONDS_PER_DAY == dt.m_time % MILLISECONDS_PER_DAY
+    //
+    // because we have also to deal with (possibly) different DST settings!
+    Tm tm1 = GetTm(),
+       tm2 = dt.GetTm();
+
+    return tm1.hour == tm2.hour &&
+           tm1.min == tm2.min &&
+           tm1.sec == tm2.sec &&
+           tm1.msec == tm2.msec;
+}
+
+bool wxDateTime::IsEqualUpTo(const wxDateTime& dt, const wxTimeSpan& ts) const
+{
+    return IsBetween(dt.Substract(ts), dt.Add(ts));
+}
+
 // ----------------------------------------------------------------------------
 // wxDateTime arithmetics
 // ----------------------------------------------------------------------------
 
+wxDateTime wxDateTime::Add(const wxTimeSpan& diff) const
+{
+    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime"));
+
+    return wxDateTime(m_time + diff.GetValue());
+}
+
 wxDateTime& wxDateTime::Add(const wxTimeSpan& diff)
 {
-    wxASSERT_MSG( IsValid(), "invalid wxDateTime");
+    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime"));
 
     m_time += diff.GetValue();
 
@@ -196,9 +296,16 @@ wxDateTime& wxDateTime::operator+=(const wxTimeSpan& diff)
     return Add(diff);
 }
 
+wxDateTime wxDateTime::Substract(const wxTimeSpan& diff) const
+{
+    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime"));
+
+    return wxDateTime(m_time - diff.GetValue());
+}
+
 wxDateTime& wxDateTime::Substract(const wxTimeSpan& diff)
 {
-    wxASSERT_MSG( IsValid(), "invalid wxDateTime");
+    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime"));
 
     m_time -= diff.GetValue();
 
@@ -212,14 +319,14 @@ wxDateTime& wxDateTime::operator-=(const wxTimeSpan& diff)
 
 wxTimeSpan wxDateTime::Substract(const wxDateTime& datetime) const
 {
-    wxASSERT_MSG( IsValid() && datetime.IsValid(), "invalid wxDateTime");
+    wxASSERT_MSG( IsValid() && datetime.IsValid(), _T("invalid wxDateTime"));
 
     return wxTimeSpan(datetime.GetValue() - GetValue());
 }
 
-wxTimeSpan wxDateTime::operator-(const wxDateTime& datetime) const
+wxDateTime wxDateTime::Add(const wxDateSpan& diff) const
 {
-    return Substract(datetime);
+    return wxDateTime(*this).Add(diff);
 }
 
 wxDateTime& wxDateTime::Substract(const wxDateSpan& diff)
@@ -227,6 +334,11 @@ wxDateTime& wxDateTime::Substract(const wxDateSpan& diff)
     return Add(diff.Negate());
 }
 
+wxDateTime wxDateTime::Substract(const wxDateSpan& diff) const
+{
+    return wxDateTime(*this).Substract(diff);
+}
+
 wxDateTime& wxDateTime::operator-=(const wxDateSpan& diff)
 {
     return Substract(diff);
@@ -238,9 +350,69 @@ wxDateTime& wxDateTime::operator+=(const wxDateSpan& diff)
 }
 
 // ----------------------------------------------------------------------------
-// wxTimeSpan
+// wxDateTime and timezones
+// ----------------------------------------------------------------------------
+
+wxDateTime wxDateTime::ToTimezone(const wxDateTime::TimeZone& tz,
+                                  bool noDST) const
+{
+    MODIFY_AND_RETURN( MakeTimezone(tz, noDST) );
+}
+
+// ----------------------------------------------------------------------------
+// wxTimeSpan construction
+// ----------------------------------------------------------------------------
+
+wxTimeSpan::wxTimeSpan(long hours, long minutes, long seconds, long milliseconds)
+{
+    // assign first to avoid precision loss
+    m_diff = hours;
+    m_diff *= 60l;
+    m_diff += minutes;
+    m_diff *= 60l;
+    m_diff += seconds;
+    m_diff *= 1000l;
+    m_diff += milliseconds;
+}
+
+// ----------------------------------------------------------------------------
+// wxTimeSpan accessors
+// ----------------------------------------------------------------------------
+
+wxLongLong wxTimeSpan::GetSeconds() const
+{
+    return m_diff / 1000l;
+}
+
+int wxTimeSpan::GetMinutes() const
+{
+    return (GetSeconds() / 60l).GetLo();
+}
+
+int wxTimeSpan::GetHours() const
+{
+    return GetMinutes() / 60;
+}
+
+int wxTimeSpan::GetDays() const
+{
+    return GetHours() / 24;
+}
+
+int wxTimeSpan::GetWeeks() const
+{
+    return GetDays() / 7;
+}
+
+// ----------------------------------------------------------------------------
+// wxTimeSpan arithmetics
 // ----------------------------------------------------------------------------
 
+wxTimeSpan wxTimeSpan::Add(const wxTimeSpan& diff) const
+{
+    return wxTimeSpan(m_diff + diff.GetValue());
+}
+
 wxTimeSpan& wxTimeSpan::Add(const wxTimeSpan& diff)
 {
     m_diff += diff.GetValue();
@@ -248,6 +420,11 @@ wxTimeSpan& wxTimeSpan::Add(const wxTimeSpan& diff)
     return *this;
 }
 
+wxTimeSpan wxTimeSpan::Substract(const wxTimeSpan& diff) const
+{
+    return wxTimeSpan(m_diff - diff.GetValue());
+}
+
 wxTimeSpan& wxTimeSpan::Substract(const wxTimeSpan& diff)
 {
     m_diff -= diff.GetValue();
@@ -257,17 +434,14 @@ wxTimeSpan& wxTimeSpan::Substract(const wxTimeSpan& diff)
 
 wxTimeSpan& wxTimeSpan::Multiply(int n)
 {
-    m_diff *= n;
+    m_diff *= (long)n;
 
     return *this;
 }
 
-wxTimeSpan wxTimeSpan::operator*(int n) const
+wxTimeSpan wxTimeSpan::Multiply(int n) const
 {
-    wxTimeSpan result(*this);
-    result.Multiply(n);
-
-    return result;
+    return wxTimeSpan(m_diff * (long)n);
 }
 
 wxTimeSpan wxTimeSpan::Abs() const
@@ -300,16 +474,21 @@ wxDateSpan::operator+=(const wxDateSpan& other)
     return *this;
 }
 
-wxDateSpan& wxDateSpan::operator*=(int factor)
+wxDateSpan& wxDateSpan::Multiply(int factor)
 {
-    m_years *= m_years;
-    m_months *= m_months;
-    m_weeks *= m_weeks;
-    m_days *= m_days;
+    m_years *= factor;
+    m_months *= factor;
+    m_weeks *= factor;
+    m_days *= factor;
 
     return *this;
 }
 
+wxDateSpan wxDateSpan::Multiply(int factor) const
+{
+    return wxDateSpan(*this).Multiply(factor);
+}
+
 wxDateSpan wxDateSpan::Negate() const
 {
     return wxDateSpan(-m_years, -m_months, -m_weeks, -m_days);
@@ -325,4 +504,6 @@ wxDateSpan& wxDateSpan::Neg()
     return *this;
 }
 
+#undef MILLISECONDS_PER_DAY
 
+#undef MODIFY_AND_RETURN