b09b3da47b
* contrib/libct/ctnet.c
* contrib/libct/dattime2.c
* contrib/samples/date.c
* contrib/bmdbfcdx/bmdbfcdx1.c
* Changed hb_set. access to hb_setGet*() in all
contrib code.
* source/rtl/hbini.prg
+ Further cleanup.
250 lines
6.8 KiB
C
250 lines
6.8 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Sample date functions rewritten in C
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*
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* Copyright 2000 Jose Lalin <dezac@corevia.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbapi.h"
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#include "hbapiitm.h"
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#include "hbset.h"
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#include "hbdate.h"
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/* MDY( <dDate> ) --> "month dd, yyyy"
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*/
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HB_FUNC( MDY )
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{
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int iYear, iMonth, iDay;
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char szDate[ 9 ];
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char szFormatted[ 11 ];
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char * szReturn;
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int iBufferLen;
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int iLen;
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hb_dateDecode( hb_parnl( 1 ), &iYear, &iMonth, &iDay );
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hb_dateFormat( hb_pardsbuff( szDate, 1 ), szFormatted, "MM/DD/YYYY" );
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iLen = strlen( hb_dateCMonth( iMonth ) );
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iBufferLen = iLen + ( hb_setGetL( hb_set_century ) ? 9 : 7 );
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szReturn = ( char * ) hb_xgrab( iBufferLen );
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memset( szReturn, ' ', iBufferLen + 1 );
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memcpy( szReturn, hb_dateCMonth( iMonth ), iLen );
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memcpy( szReturn + iLen + 1, szFormatted + 3, 2 );
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szReturn[ iLen + 3 ] = ',';
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memcpy( szReturn + iLen + 5, szFormatted + 6 + ( hb_setGetL( hb_set_century ) ? 0 : 2 ), 2 + ( hb_setGetL( hb_set_century ) ? 2 : 0 ) );
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hb_retclen( szReturn, iBufferLen );
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hb_xfree( szReturn );
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}
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/* DMY( <dDate> ) --> "dd month yyyy" (european date format)
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*/
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HB_FUNC( DMY )
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{
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int iYear, iMonth, iDay;
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char szDate[ 9 ];
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char szFormatted[ 11 ];
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char * szReturn;
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int iBufferLen;
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int iLen;
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hb_dateDecode( hb_parnl( 1 ), &iYear, &iMonth, &iDay );
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hb_dateFormat( hb_pardsbuff( szDate, 1 ), szFormatted, "MM/DD/YYYY" );
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iLen = strlen( hb_dateCMonth( iMonth ) );
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iBufferLen = iLen + ( hb_setGetL( hb_set_century ) ? 9 : 7 );
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szReturn = ( char * ) hb_xgrab( iBufferLen );
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memset( szReturn, ' ', iBufferLen );
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memcpy( szReturn, szFormatted + 3, 2 );
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memcpy( szReturn + 3, hb_dateCMonth( iMonth ), iLen );
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memcpy( szReturn + iLen + 4, szFormatted + 6 + ( hb_setGetL( hb_set_century ) ? 0 : 2 ), 2 + ( hb_setGetL( hb_set_century ) ? 2 : 0 ) );
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hb_retclen( szReturn, iBufferLen );
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hb_xfree( szReturn );
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}
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/* DATEASAGE( <dDate> ) --> <nYears>
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*/
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HB_FUNC( DATEASAGE )
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{
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int iAge = 0;
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PHB_ITEM pDate = hb_param( 1, HB_IT_DATE );
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if( pDate )
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{
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int iYear, iMonth, iDay;
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int iThisYear, iThisMonth, iThisDay;
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hb_dateToday( &iThisYear, &iThisMonth, &iThisDay );
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hb_dateDecode( hb_itemGetDL( pDate ), &iYear, &iMonth, &iDay );
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if( iThisYear > iYear )
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{
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iAge = iThisYear - iYear;
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if( iThisMonth < iMonth || ( iThisMonth == iMonth && iThisDay < iDay ) )
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--iAge;
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}
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}
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hb_retni( iAge );
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}
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/* ADDMONTH( <dDate>, <nMonths> ) --> <dNewDate>
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NOTE: Caller must validate dNewDate.
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*/
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HB_FUNC( ADDMONTH )
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{
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int iMonths = hb_parnl( 2 );
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int iYear, iMonth, iDay;
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int iLimit, iMonthAdd, iYearAdd;
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long lNew;
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hb_dateDecode( hb_parnl( 1 ), &iYear, &iMonth, &iDay );
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iLimit = 12 - iMonth + 1;
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iYearAdd = iMonths / 12;
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iMonths %= 12;
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if( iMonths >= iLimit )
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iYearAdd++;
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iYear += iYearAdd;
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iMonthAdd = iMonths % 12;
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iMonth = ( iMonth + iMonthAdd ) % 12;
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if( iMonth == 0 )
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iMonth = 12;
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lNew = hb_dateEncode( iYear, iMonth, iDay );
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if( !lNew )
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{
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iMonth = ( iMonth + 1 ) % 12;
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iDay = 1;
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iYear = iYear + ( ( iMonth + 1 ) / 12 );
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}
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hb_retd( iYear, iMonth, iDay );
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}
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/* DATEASARRAY( <dDate> ) --> { Year, Month, Day }
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NOTE: Returns an empty array if <dDate> is not a valid date.
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*/
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HB_FUNC( DATEASARRAY )
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{
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PHB_ITEM pReturn = hb_itemArrayNew( 3 ); /* Create array */
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PHB_ITEM pDate = hb_param( 1, HB_IT_DATE );
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if( pDate )
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{
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PHB_ITEM pItem;
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int iYear, iMonth, iDay;
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hb_dateDecode( hb_itemGetDL( pDate ), &iYear, &iMonth, &iDay );
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pItem = hb_itemPutNI( NULL, iYear );
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hb_itemArrayPut( pReturn, 1, pItem );
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hb_itemRelease( pItem );
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pItem = hb_itemPutNI( NULL, iMonth );
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hb_itemArrayPut( pReturn, 2, pItem );
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hb_itemRelease( pItem );
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pItem = hb_itemPutNI( NULL, iDay );
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hb_itemArrayPut( pReturn, 3, pItem );
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hb_itemRelease( pItem );
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}
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hb_itemReturn( pReturn );
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hb_itemRelease( pReturn );
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}
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/* ARRAYASDATE( { <Year>, <Month>, <Day> } ) --> <dDate>
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*/
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HB_FUNC( ARRAYASDATE )
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{
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PHB_ITEM pArray = hb_param( 1, HB_IT_ARRAY );
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if( pArray )
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hb_retd( hb_arrayGetNI( pArray, 1 ), hb_arrayGetNI( pArray, 2 ), hb_arrayGetNI( pArray, 3 ) );
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else
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hb_retdl( 0 );
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}
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/* DATEISLEAP( <dDate> ) --> <lIsLeapYear>
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*/
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HB_FUNC( DATEISLEAP )
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{
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PHB_ITEM pDate = hb_param( 1, HB_IT_DATE );
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if( pDate )
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{
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int iYear, iMonth, iDay;
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hb_dateDecode( hb_itemGetDL( pDate ), &iYear, &iMonth, &iDay );
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hb_retl( ( iYear % 4 == 0 && iYear % 100 != 0 ) || ( iYear % 400 == 0 ) );
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}
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else
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hb_retl( FALSE );
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}
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/* NTOD( <nMonth>, <nDay>, <nYear> ) --> <dDate>
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*/
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HB_FUNC( NTOD )
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{
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hb_retd( hb_parni( 3 ), hb_parni( 1 ), hb_parni( 2 ) );
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}
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