Files
harbour-core/harbour/contrib/libct/datetime.c
Przemyslaw Czerpak 5f2c757781 2007-07-07 04:00 UTC+0200 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
+ harbour/contrib/libct/dbftools.c
  - harbour/contrib/libct/dattime2.prg
  * harbour/contrib/libct/ctmath.h
  * harbour/contrib/libct/Makefile
  * harbour/contrib/libct/exponent.c
  + harbour/contrib/libct/cttime.prg
  * harbour/contrib/libct/ctstr.h
  * harbour/contrib/libct/ct.h
  + harbour/contrib/libct/disk.c
  + harbour/contrib/libct/ctstrfil.c
  + harbour/contrib/libct/ctstrfil.h
  - harbour/contrib/libct/datetime.prg
  - harbour/contrib/libct/pad.c
  + harbour/contrib/libct/dattime2.c
  + harbour/contrib/libct/ctpad.c
  + harbour/contrib/libct/datetime.c
    * synced with xHarbour modifications and fixes
    ! some fixes
    * indenting
2007-07-07 02:00:32 +00:00

492 lines
9.8 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* CT3 Date & Time functions: - BOM() / EOM()
* - BOQ() / EOQ()
* - BOY() / EOY()
* - WOM()
*
* Copyright 2005 Pavel Tsarenko <tpe2@mail.ru>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
/*
* The following parts are Copyright of the individual authors.
* www - http://www.harbour-project.org
*
* Copyright 1999 Jose Lalin <dezac@corevia.com>
* Wom()
*
* See doc/license.txt for licensing terms.
*
*/
#include "hbapi.h"
#include "hbapiitm.h"
#include "hbdate.h"
/* $DOC$
* $FUNCNAME$
* BOM()
* $CATEGORY$
* CT3 date and time functions
* $ONELINER$
* _B_egin _O_f _M_onth
* $SYNTAX$
* BOM ([<dDate>]) -> dDateBeginOfMonth
* $ARGUMENTS$
* $RETURNS$
* $DESCRIPTION$
* TODO: add documentation
* $EXAMPLES$
* $TESTS$
* $STATUS$
* Started
* $COMPLIANCE$
* BOM() is compatible with CT3's BOM().
* $PLATFORMS$
* All
* $FILES$
* Source is datetime.prg, library is libct.
* $SEEALSO$
* EOM(),BOQ(),EOQ(),BOY(),EOY()
* $END$
*/
HB_FUNC( BOM )
{
LONG lDate;
int iYear, iMonth, iDay;
if( ISNIL( 1 ) )
{
hb_dateToday( &iYear, &iMonth, &iDay );
lDate = hb_dateEncode( iYear, iMonth, iDay );
}
else
{
lDate = hb_pardl( 1 );
}
if( lDate != 0 )
{
hb_dateDecode( lDate, &iYear, &iMonth, &iDay );
hb_retd( iYear, iMonth, 1 );
}
else
{
hb_retdl( 0 );
}
}
/* $DOC$
* $FUNCNAME$
* EOM()
* $CATEGORY$
* CT3 date and time functions
* $ONELINER$
* _E_nd _O_f _M_onth
* $SYNTAX$
* EOM ([<dDate>]) -> dDateEndOfMonth
* $ARGUMENTS$
* $RETURNS$
* $DESCRIPTION$
* TODO: add documentation
* $EXAMPLES$
* $TESTS$
* $STATUS$
* Started
* $COMPLIANCE$
* EOM() is compatible with CT3's EOM().
* $PLATFORMS$
* All
* $FILES$
* Source is datetime.prg, library is libct.
* $SEEALSO$
* BOM(),BOQ(),EOQ(),BOY(),EOY()
* $END$
*/
HB_FUNC( EOM )
{
LONG lDate;
int iYear, iMonth, iDay;
if( ISNIL( 1 ) )
{
hb_dateToday( &iYear, &iMonth, &iDay );
lDate = hb_dateEncode( iYear, iMonth, iDay );
}
else
{
lDate = hb_pardl( 1 );
}
if( lDate != 0 )
{
hb_dateDecode( lDate, &iYear, &iMonth, &iDay );
iMonth++;
if( iMonth > 12 )
{
iMonth = 1;
iYear++;
}
hb_retdl( hb_dateEncode( iYear, iMonth, 1 ) - 1 );
}
else
{
hb_retdl( 0 );
}
}
/* $DOC$
* $FUNCNAME$
* BOQ()
* $CATEGORY$
* CT3 date and time functions
* $ONELINER$
* _B_egin _O_f _Q_uarter
* $SYNTAX$
* BOQ ([<dDate>]) -> dDateBeginOfQuarter
* $ARGUMENTS$
* $RETURNS$
* $DESCRIPTION$
* TODO: add documentation
* $EXAMPLES$
* $TESTS$
* $STATUS$
* Started
* $COMPLIANCE$
* BOQ() is compatible with CT3's BOQ().
* $PLATFORMS$
* All
* $FILES$
* Source is datetime.prg, library is libct.
* $SEEALSO$
* BOM(),EOM(),EOQ(),BOY(),EOY()
* $END$
*/
HB_FUNC( BOQ )
{
LONG lDate;
int iYear, iMonth, iDay;
if( ISNIL( 1 ) )
{
hb_dateToday( &iYear, &iMonth, &iDay );
lDate = hb_dateEncode( iYear, iMonth, iDay );
}
else
{
lDate = hb_pardl( 1 );
}
if( lDate != 0 )
{
hb_dateDecode( lDate, &iYear, &iMonth, &iDay );
iMonth -= ( iMonth - 1 ) % 3;
hb_retd( iYear, iMonth, 1 );
}
else
{
hb_retdl( 0 );
}
}
/* $DOC$
* $FUNCNAME$
* EOQ()
* $CATEGORY$
* CT3 date and time functions
* $ONELINER$
* _E_nd _O_f _Q_uarter
* $SYNTAX$
* EOQ ([<dDate>]) -> dDateEndOfQuarter
* $ARGUMENTS$
* $RETURNS$
* $DESCRIPTION$
* TODO: add documentation
* $EXAMPLES$
* $TESTS$
* $STATUS$
* Started
* $COMPLIANCE$
* EOQ() is compatible with CT3's EOQ().
* $PLATFORMS$
* All
* $FILES$
* Source is datetime.prg, library is libct.
* $SEEALSO$
* BOM(),EOM(),BOQ(),BOY(),EOY()
* $END$
*/
HB_FUNC( EOQ )
{
LONG lDate;
int iYear, iMonth, iDay;
if( ISNIL( 1 ) )
{
hb_dateToday( &iYear, &iMonth, &iDay );
lDate = hb_dateEncode( iYear, iMonth, iDay );
}
else
{
lDate = hb_pardl( 1 );
}
if( lDate != 0 )
{
hb_dateDecode( lDate, &iYear, &iMonth, &iDay );
iMonth += 3 - ( ( iMonth - 1 ) % 3 );
if( iMonth > 12 )
{
iMonth = 1;
iYear++;
}
hb_retdl( hb_dateEncode( iYear, iMonth, 1 ) - 1 );
}
else
{
hb_retdl( 0 );
}
}
/* $DOC$
* $FUNCNAME$
* BOY()
* $CATEGORY$
* CT3 date and time functions
* $ONELINER$
* _B_egin _O_f _Y_ear
* $SYNTAX$
* BOY ([<dDate>]) -> dDateBeginOfYear
* $ARGUMENTS$
* $RETURNS$
* $DESCRIPTION$
* TODO: add documentation
* $EXAMPLES$
* $TESTS$
* $STATUS$
* Started
* $COMPLIANCE$
* BOY() is compatible with CT3's BOY().
* $PLATFORMS$
* All
* $FILES$
* Source is datetime.prg, library is libct.
* $SEEALSO$
* BOM(),EOM(),BOQ(),EOQ(),EOY()
* $END$
*/
HB_FUNC( BOY )
{
LONG lDate;
int iYear, iMonth, iDay;
if( ISNIL( 1 ) )
{
hb_dateToday( &iYear, &iMonth, &iDay );
lDate = hb_dateEncode( iYear, iMonth, iDay );
}
else
{
lDate = hb_pardl( 1 );
}
if( lDate != 0 )
{
hb_dateDecode( lDate, &iYear, &iMonth, &iDay );
hb_retd( iYear, 1, 1 );
}
else
{
hb_retdl( 0 );
}
}
/* $DOC$
* $FUNCNAME$
* EOY()
* $CATEGORY$
* CT3 date and time functions
* $ONELINER$
* _E_nd _O_f _Y_ear
* $SYNTAX$
* EOY ([<dDate>]) -> dDateEndOfYear
* $ARGUMENTS$
* $RETURNS$
* $DESCRIPTION$
* TODO: add documentation
* $EXAMPLES$
* $TESTS$
* $STATUS$
* Started
* $COMPLIANCE$
* EOY() is compatible with CT3's EOY().
* $PLATFORMS$
* All
* $FILES$
* Source is datetime.prg, library is libct.
* $SEEALSO$
* BOM(),EOM(),BOQ(),EOQ(),BOY()
* $END$
*/
HB_FUNC( EOY )
{
LONG lDate;
int iYear, iMonth, iDay;
if( ISNIL( 1 ) )
{
hb_dateToday( &iYear, &iMonth, &iDay );
lDate = hb_dateEncode( iYear, iMonth, iDay );
}
else
{
lDate = hb_pardl( 1 );
}
if( lDate != 0 )
{
hb_dateDecode( lDate, &iYear, &iMonth, &iDay );
hb_retdl( hb_dateEncode( iYear + 1, 1, 1 ) - 1 );
}
else
{
hb_retdl( 0 );
}
}
static int hb_wom( int iYear, int iMonth, int iDay )
{
int iWom;
HB_TRACE( HB_TR_DEBUG, ( "hb_wom(%d, %d, %d)", iYear, iMonth, iDay ) );
iWom = iDay + hb_dateDOW( iYear, iMonth, 1 ) - 1;
if( iWom > 0 )
return ( iWom - hb_dateDOW( iYear, iMonth, iDay ) ) / 7 + 1;
else
return 0;
}
HB_FUNC( WOM )
{
LONG lDate;
int iYear, iMonth, iDay;
if( ISNIL( 1 ) )
{
hb_dateToday( &iYear, &iMonth, &iDay );
lDate = hb_dateEncode( iYear, iMonth, iDay );
}
else
{
lDate = hb_pardl( 1 );
}
if( lDate != 0 )
{
hb_dateDecode( lDate, &iYear, &iMonth, &iDay );
hb_retni( hb_wom( iYear, iMonth, iDay ) );
}
else
{
hb_retni( 0 );
}
}
/* $DOC$
* $FUNCNAME$
* STOD()
* $CATEGORY$
* CT3 date and time functions
* $ONELINER$
* Convert ANSI date string to Harbour date
* $SYNTAX$
* STOD ([<cDate>]) -> dDate
* $ARGUMENTS$
* $RETURNS$
* $DESCRIPTION$
* TODO: add documentation
* $EXAMPLES$
* $TESTS$
* $STATUS$
* Started
* $COMPLIANCE$
* STOD() is compatible with CT3's STOD().
* $PLATFORMS$
* All
* $FILES$
* Source is datetime.prg, library is libct.
* $SEEALSO$
* $END$
*/
/* this function is allready implemented in RTL when HB_COMPAT_XPP is set */
#ifndef HB_COMPAT_XPP
HB_FUNC( STOD )
{
hb_retds( hb_parclen( 1 ) >= 7 ? hb_parc( 1 ) : NULL );
}
#endif