wxWidgets/include/wx/date.h
1999-06-27 10:39:38 +00:00

147 lines
5.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: date.h
// Purpose: wxDate class
// Author: Julian Smart, Steve Marcus, Eric Simon, Chris Hill,
// Charles D. Price
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DATE_H_
#define _WX_DATE_H_
#ifdef __GNUG__
#pragma interface "date.h"
#endif
#include "wx/object.h"
#include "wx/string.h"
#if wxUSE_TIMEDATE
// These lines necessary to stop VC++ 6 being confused about namespaces
class WXDLLEXPORT wxDate;
bool WXDLLEXPORT operator<(const wxDate &dt1, const wxDate &dt2);
bool WXDLLEXPORT operator<(const wxDate &dt1, const wxDate &dt2);
bool WXDLLEXPORT operator <= (const wxDate &dt1, const wxDate &dt2);
bool WXDLLEXPORT operator > (const wxDate &dt1, const wxDate &dt2);
bool WXDLLEXPORT operator >= (const wxDate &dt1, const wxDate &dt2);
bool WXDLLEXPORT operator == (const wxDate &dt1, const wxDate &dt2);
bool WXDLLEXPORT operator != (const wxDate &dt1, const wxDate &dt2);
enum wxdate_format_type {wxMDY, wxDAY, wxMONTH, wxFULL, wxEUROPEAN};
#define wxNO_CENTURY 0x02
#define wxDATE_ABBR 0x04
class WXDLLEXPORT wxDate : public wxObject
{
DECLARE_DYNAMIC_CLASS(wxDate)
protected:
unsigned long julian; // see julDate(); days since 1/1/4713 B.C.
int month; // see NMonth()
int day; // see Day()
int year; // see NYear4()
int day_of_week; // see NDOW(); 1 = Sunday, ... 7 = Saturday
private:
int DisplayFormat;
unsigned char DisplayOptions;
void julian_to_mdy (); // convert julian day to mdy
void julian_to_wday (); // convert julian day to day_of_week
void mdy_to_julian (); // convert mdy to julian day
public:
wxDate ();
wxDate (long j);
wxDate (int m, int d, int y);
wxDate (const wxString& dat);
wxDate (const wxDate &dt);
#ifndef __SALFORDC__
operator wxString (void);
#endif
void operator = (const wxDate& date);
void operator = (const wxString& date);
wxDate operator + (long i);
wxDate operator + (int i);
wxDate operator - (long i);
wxDate operator - (int i);
long operator - (const wxDate &dt);
wxDate &operator += (long i);
wxDate &operator -= (long i);
wxDate &operator ++ (); // Prefix increment
wxDate &operator ++ (int); // Postfix increment
wxDate &operator -- (); // Prefix decrement
wxDate &operator -- (int); // Postfix decrement
friend bool WXDLLEXPORT operator < (const wxDate &dt1, const wxDate &dt2);
friend bool WXDLLEXPORT operator <= (const wxDate &dt1, const wxDate &dt2);
friend bool WXDLLEXPORT operator > (const wxDate &dt1, const wxDate &dt2);
friend bool WXDLLEXPORT operator >= (const wxDate &dt1, const wxDate &dt2);
friend bool WXDLLEXPORT operator == (const wxDate &dt1, const wxDate &dt2);
friend bool WXDLLEXPORT operator != (const wxDate &dt1, const wxDate &dt2);
#if wxUSE_STD_IOSTREAM
friend ostream WXDLLEXPORT & operator << (ostream &os, const wxDate &dt);
#endif
wxString FormatDate (int type=-1) const;
void SetFormat (int format);
int SetOption (int option, bool enable=TRUE);
long GetJulianDate() const; // returns julian date
int GetDayOfYear() const; // returns relative date since Jan. 1
bool IsLeapYear() const; // returns TRUE if leap year, FALSE if not
// Version 4.0 Extension to Public Interface - CDP
// These 'Set's modify the date object and actually SET it
// They all return a reference to self (*this)
wxDate &Set(); // Sets to current system date
wxDate &Set(long lJulian);
wxDate &Set(int nMonth, int nDay, int nYear);
wxDate &AddWeeks(int nCount = 1); //
wxDate &AddMonths(int nCount = 1); // May also pass neg# to decrement
wxDate &AddYears(int nCount = 1); //
int GetDay() const; // Numeric Day of date object
int GetDaysInMonth(); // Number of days in month (1..31)
int GetFirstDayOfMonth() const; // First Day Of Month (1..7)
wxString GetDayOfWeekName(); // Character Day Of Week ('Sunday'..'Saturday')
int GetDayOfWeek() const; // (1..7)
int GetWeekOfMonth(); // Numeric Week Of Month (1..6)
int GetWeekOfYear(); // Numeric Week Of Year (1..52)
wxString GetMonthName(); // Character Month name
int GetMonth() const; // Month Number (1..12)
wxDate GetMonthStart(); // First Date Of Month
wxDate GetMonthEnd(); // Last Date Of Month
int GetYear() const; // eg. 1992
wxDate GetYearStart(); // First Date Of Year
wxDate GetYearEnd(); // Last Date Of Year
bool IsBetween(const wxDate& first, const wxDate& second) const;
wxDate Previous(int dayOfWeek) const;
};
#endif // wxUSE_TIMEDATE
#endif
// _WX_DATE_H_