+// ----------------------------------------------------------------------------
+// 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;
+};
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