195 lines
4.8 KiB
C
195 lines
4.8 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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* Some dbf structure related functions
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*
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* Copyright 2000 Alexander Kresin <alex@belacy.belgorod.su>
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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 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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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 program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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#include "extend.h"
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#include "rddapi.h"
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/* $DOC$
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* $FUNCNAME$
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* FIELDTYPE()
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* $CATEGORY$
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* Data Base
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* $ONELINER$
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* Determines the type of a given field.
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* $SYNTAX$
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* FIELDTYPE(<nFieldNum>) --> cFieldType
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* $ARGUMENTS$
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* <nFieldNum> Data field , which type need to be determined.
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* $RETURNS$
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* FIELDTYPE() returns the character that designates the type of a given field:
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* 'C' - character string;
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* 'N' - numeric;
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* 'L' - logical;
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* 'D' - date;
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* 'M' - memo.
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* $DESCRIPTION$
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* This function determines the type of a field, designated by its number.
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* $EXAMPLES$
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* FUNCTION Main()
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* LOCAL i
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* USE Tests NEW
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* FOR i = 1 TO FCOUNT()
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* ? FieldType( i )
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* NEXT
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* USE
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* RETURN NIL
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* This function is CA-CLIPPER TOOLS compatible
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* $SEEALSO$
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* FIELDSIZE(), FIELDDECI()
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* $INCLUDE$
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*
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* $END$
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*/
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HARBOUR HB_FIELDTYPE( void )
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{
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USHORT uiField;
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LPFIELD pField;
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AREAP pArea;
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uiField = hb_parni( 1 );
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pArea = ( AREAP ) hb_rddGetCurrentWorkAreaPointer();
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pField = pArea->lpFields + uiField - 1;
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hb_retc( ( char * ) &( pField->uiType ) );
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}
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/* $DOC$
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* $FUNCNAME$
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* FIELDSIZE()
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* $CATEGORY$
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* Data Base
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* $ONELINER$
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* Determines the size of a given field.
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* $SYNTAX$
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* FIELDSIZE(<nFieldNum>) --> nFieldSize
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* $ARGUMENTS$
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* <nFieldNum> Data field , which size need to be determined.
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* $RETURNS$
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* FIELDSIZE() returns the number that designates the size of a given field.
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* $DESCRIPTION$
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* This function determines the size of a field, designated by its number.
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* $EXAMPLES$
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* FUNCTION Main()
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* LOCAL i
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* USE Tests NEW
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* FOR i = 1 TO FCOUNT()
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* ? FieldSize( i )
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* NEXT
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* USE
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* RETURN NIL
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* This function is CA-CLIPPER TOOLS compatible
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* $SEEALSO$
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* FIELDTYPE(), FIELDDECI()
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* $INCLUDE$
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*
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* $END$
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*/
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HARBOUR HB_FIELDSIZE( void )
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{
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USHORT uiField;
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LPFIELD pField;
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AREAP pArea;
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uiField = hb_parni( 1 );
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pArea = ( AREAP ) hb_rddGetCurrentWorkAreaPointer();
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pField = pArea->lpFields + uiField - 1;
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hb_retni( pField->uiLen );
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}
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/* $DOC$
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* $FUNCNAME$
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* FIELDDECI()
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* $CATEGORY$
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* Data Base
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* $ONELINER$
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* Determines the number of decimal places of a given numeric field.
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* $SYNTAX$
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* FIELDDECI(<nFieldNum>) --> nFieldDeci
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* $ARGUMENTS$
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* <nFieldNum> Numeric data field , for which number of decimal
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* places need to be determined.
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* $RETURNS$
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* FIELDDECI() returns the numeric value that designates the number
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* of decimal places of a given field.
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* $DESCRIPTION$
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* This function determines the number of decimal places of a given numeric field.
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* $EXAMPLES$
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* FUNCTION Main()
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* LOCAL i
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* USE Tests NEW
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* FOR i = 1 TO FCOUNT()
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* ? FieldDeci( i )
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* NEXT
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* USE
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* RETURN NIL
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* This function is CA-CLIPPER TOOLS compatible
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* $SEEALSO$
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* FIELDTYPE(), FIELDSIZE()
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* $INCLUDE$
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*
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* $END$
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*/
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HARBOUR HB_FIELDDECI( void )
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{
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USHORT uiField;
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LPFIELD pField;
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AREAP pArea;
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uiField = hb_parni( 1 );
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pArea = ( AREAP ) hb_rddGetCurrentWorkAreaPointer();
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pField = pArea->lpFields + uiField - 1;
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hb_retni( pField->uiDec );
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}
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