1608 lines
47 KiB
C
1608 lines
47 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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* DELIM RDD
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*
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* Copyright 2006 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
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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 "hbinit.h"
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#include "hbvm.h"
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#include "hbset.h"
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#include "hbdate.h"
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#include "hbapirdd.h"
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#include "hbapiitm.h"
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#include "hbapilng.h"
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#include "hbapierr.h"
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#include "hbdbferr.h"
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#include "hbrdddel.h"
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#include "rddsys.ch"
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#define SUPERTABLE (&delimSuper)
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static RDDFUNCS delimSuper;
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static const USHORT s_uiNumLength[ 9 ] = { 0, 4, 6, 8, 11, 13, 16, 18, 20 };
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static void hb_delimInitArea( DELIMAREAP pArea, char * szFileName )
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{
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/* Allocate only after succesfully open file */
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pArea->szFileName = hb_strdup( szFileName );
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/* set line separator: EOL */
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if( hb_set.HB_SET_EOL && hb_set.HB_SET_EOL[ 0 ] )
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pArea->szEol = hb_strdup( hb_set.HB_SET_EOL );
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else
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pArea->szEol = hb_strdup( hb_conNewLine() );
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pArea->uiEolLen = strlen( pArea->szEol );
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/* allocate record buffer, one additional byte is for deleted flag */
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pArea->pRecord = ( BYTE * ) hb_xgrab( pArea->uiRecordLen + 1 );
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/* pseudo deleted flag */
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*pArea->pRecord++ = ' ';
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/* Allocate IO buffer */
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pArea->ulBufferSize += pArea->uiEolLen;
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pArea->pBuffer = ( BYTE * ) hb_xgrab( pArea->ulBufferSize );
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pArea->ulRecCount = 0;
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pArea->ulFileSize = 0;
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pArea->ulBufferRead = pArea->ulBufferIndex = 0;
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}
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static void hb_delimClearRecordBuffer( DELIMAREAP pArea )
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{
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memset( pArea->pRecord, ' ', pArea->uiRecordLen );
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}
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static ULONG hb_delimEncodeBuffer( DELIMAREAP pArea )
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{
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ULONG ulSize;
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USHORT uiField, uiLen;
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LPFIELD pField;
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BYTE * pBuffer, * pFieldBuf;
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HB_TRACE(HB_TR_DEBUG, ("hb_delimEncodeBuffer(%p)", pArea));
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/* mark the read buffer as empty */
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pArea->ulBufferRead = pArea->ulBufferIndex = 0;
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pBuffer = pArea->pBuffer;
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ulSize = 0;
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for( uiField = 0; uiField < pArea->uiFieldCount; ++uiField )
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{
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pField = pArea->lpFields + uiField;
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pFieldBuf = pArea->pRecord + pArea->pFieldOffset[ uiField ];
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if( ulSize )
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pBuffer[ ulSize++ ] = pArea->cSeparator;
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switch( pField->uiType )
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{
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case HB_FT_STRING:
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uiLen = pField->uiLen;
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while( uiLen && pFieldBuf[ uiLen - 1 ] == ' ' )
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--uiLen;
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if( pArea->cDelim )
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{
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pBuffer[ ulSize++ ] = pArea->cDelim;
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memcpy( pBuffer + ulSize, pFieldBuf, uiLen );
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ulSize += uiLen;
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pBuffer[ ulSize++ ] = pArea->cDelim;
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}
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else
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{
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memcpy( pBuffer + ulSize, pFieldBuf, uiLen );
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ulSize += uiLen;
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}
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break;
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case HB_FT_LOGICAL:
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pBuffer[ ulSize++ ] = ( *pFieldBuf == 'T' || *pFieldBuf == 't' ||
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*pFieldBuf == 'Y' || *pFieldBuf == 'y' ) ?
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'T' : 'F';
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break;
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case HB_FT_DATE:
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uiLen = 0;
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while( uiLen < 8 && pFieldBuf[ uiLen ] == ' ' )
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++uiLen;
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if( uiLen < 8 )
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{
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memcpy( pBuffer + ulSize, pFieldBuf, 8 );
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ulSize += 8;
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}
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break;
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case HB_FT_LONG:
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uiLen = 0;
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while( uiLen < pField->uiLen && pFieldBuf[ uiLen ] == ' ' )
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++uiLen;
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if( uiLen < pField->uiLen )
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{
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memcpy( pBuffer + ulSize, pFieldBuf + uiLen, pField->uiLen - uiLen );
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ulSize += pField->uiLen - uiLen;
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}
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else
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{
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pBuffer[ ulSize++ ] = '0';
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if( pField->uiDec )
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{
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pBuffer[ ulSize++ ] = '.';
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memset( pBuffer + ulSize, '0', pField->uiDec );
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ulSize += pField->uiDec;
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}
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}
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break;
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case HB_FT_MEMO:
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default:
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if( ulSize )
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--ulSize;
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break;
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}
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}
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memcpy( pBuffer + ulSize, pArea->szEol, pArea->uiEolLen );
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ulSize += pArea->uiEolLen;
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return ulSize;
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}
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static int hb_delimNextChar( DELIMAREAP pArea )
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{
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if( pArea->ulBufferIndex + pArea->uiEolLen >= pArea->ulBufferRead &&
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( pArea->ulBufferRead == 0 ||
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pArea->ulBufferRead >= pArea->ulBufferSize - 1 ) )
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{
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ULONG ulLeft = pArea->ulBufferRead - pArea->ulBufferIndex;
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if( ulLeft )
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memcpy( pArea->pBuffer,
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pArea->pBuffer + pArea->ulBufferIndex, ulLeft );
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pArea->ulBufferStart += pArea->ulBufferIndex;
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pArea->ulBufferIndex = 0;
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hb_fsSeekLarge( pArea->hFile, pArea->ulBufferStart + ulLeft, FS_SET );
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pArea->ulBufferRead = hb_fsReadLarge( pArea->hFile,
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pArea->pBuffer + ulLeft,
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pArea->ulBufferSize - ulLeft );
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if( pArea->ulBufferRead > 0 &&
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pArea->pBuffer[ pArea->ulBufferRead + ulLeft - 1 ] == '\032' )
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pArea->ulBufferRead--;
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pArea->ulBufferRead += ulLeft;
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}
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if( pArea->ulBufferIndex + pArea->uiEolLen <= pArea->ulBufferRead &&
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memcmp( pArea->pBuffer + pArea->ulBufferIndex,
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pArea->szEol, pArea->uiEolLen ) == 0 )
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{
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pArea->ulBufferIndex += pArea->uiEolLen;
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pArea->ulNextOffset = pArea->ulBufferStart + pArea->ulBufferIndex;
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return -1;
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}
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else if( pArea->ulBufferIndex < pArea->ulBufferRead )
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{
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return pArea->pBuffer[ pArea->ulBufferIndex++ ];
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}
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pArea->ulNextOffset = ( HB_FOFFSET ) -1;
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return -2;
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}
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/*
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* Read record, decode it to buffer and set next record offset
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*/
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static ERRCODE hb_delimReadRecord( DELIMAREAP pArea )
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{
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USHORT uiField, uiLen, uiSize;
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HB_TYPE uiType;
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LPFIELD pField;
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BYTE * pFieldBuf, buffer[ 256 ];
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char cStop;
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int ch = 0;
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HB_TRACE(HB_TR_DEBUG, ("hb_delimReadRecord(%p)", pArea));
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if( pArea->ulBufferStart <= pArea->ulRecordOffset &&
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pArea->ulBufferStart + ( HB_FOFFSET ) pArea->ulBufferRead > pArea->ulRecordOffset )
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{
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pArea->ulBufferIndex = ( ULONG ) ( pArea->ulRecordOffset - pArea->ulBufferStart );
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}
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else
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{
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pArea->ulBufferStart = pArea->ulRecordOffset;
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pArea->ulBufferRead = pArea->ulBufferIndex = 0;
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}
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/* clear the record buffer */
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hb_delimClearRecordBuffer( pArea );
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for( uiField = 0; uiField < pArea->uiFieldCount; ++uiField )
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{
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pField = pArea->lpFields + uiField;
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uiType = pField->uiType;
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if( uiType == HB_FT_STRING || uiType == HB_FT_LOGICAL ||
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uiType == HB_FT_DATE || uiType == HB_FT_LONG )
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{
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uiSize = 0;
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uiLen = pField->uiLen;
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pFieldBuf = pArea->pRecord + pArea->pFieldOffset[ uiField ];
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/* ignore leading spaces */
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do
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ch = hb_delimNextChar( pArea );
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while( ch == ' ' );
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/* set the stop character */
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if( pArea->cDelim && ch == pArea->cDelim )
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{
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cStop = pArea->cDelim;
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ch = hb_delimNextChar( pArea );
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}
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else
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cStop = pArea->cSeparator;
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/*
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* Clipper uses differ rules for character fields, they
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* can be terminated only with valid stop character, when
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* other fields also by length
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*/
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if( pField->uiType == HB_FT_STRING )
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{
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while( ch >= 0 && ch != cStop )
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{
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if( uiSize < uiLen )
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pFieldBuf[ uiSize++ ] = ( BYTE ) ch;
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ch = hb_delimNextChar( pArea );
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}
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}
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else
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{
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while( ch >= 0 && ch != cStop && uiSize < uiLen )
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{
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buffer[ uiSize++ ] = ( BYTE ) ch;
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ch = hb_delimNextChar( pArea );
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}
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buffer[ uiSize ] = '\0';
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if( pField->uiType == HB_FT_LOGICAL )
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{
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*pFieldBuf = ( *buffer == 'T' || *buffer == 't' ||
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*buffer == 'Y' || *buffer == 'y' ) ? 'T' : 'F';
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}
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else if( pField->uiType == HB_FT_DATE )
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{
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if( uiSize == 8 && hb_dateEncStr( ( char * ) buffer ) != 0 )
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memcpy( pFieldBuf, buffer, 8 );
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}
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else
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{
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HB_LONG lVal;
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double dVal;
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BOOL fDbl;
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fDbl = hb_strnToNum( (const char *) buffer, uiSize, &lVal, &dVal );
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if( fDbl )
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pArea->valResult = hb_itemPutNDLen( pArea->valResult, dVal,
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uiLen - pField->uiDec - 1, pField->uiDec );
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else
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pArea->valResult = hb_itemPutNIntLen( pArea->valResult,
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lVal, uiLen );
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hb_itemStrBuf( ( char * ) buffer, pArea->valResult, uiLen, pField->uiDec );
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/* TODO: RT error on width range */
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memcpy( pFieldBuf, buffer, uiLen );
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}
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}
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/* ignore all character to the next field separator */
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while( ch >= 0 && ch != pArea->cSeparator )
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ch = hb_delimNextChar( pArea );
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/* stop reading on EOL */
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if( ch < 0 )
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break;
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}
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}
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/* ignore all character to the end of line */
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while( ch >= 0 )
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ch = hb_delimNextChar( pArea );
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if( ch == -2 &&
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pArea->ulRecordOffset == ( HB_FOFFSET ) ( pArea->ulBufferStart +
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pArea->ulBufferIndex ) )
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{
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pArea->fEof = TRUE;
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pArea->fPositioned = FALSE;
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}
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else
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{
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pArea->fEof = FALSE;
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pArea->fPositioned = TRUE;
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}
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return SUCCESS;
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}
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static ERRCODE hb_delimNextRecord( DELIMAREAP pArea )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_delimNextRecord(%p)", pArea));
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if( pArea->fPositioned )
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{
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if( pArea->ulNextOffset == ( HB_FOFFSET ) -1 )
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{
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pArea->fEof = TRUE;
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pArea->fPositioned = FALSE;
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hb_delimClearRecordBuffer( pArea );
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}
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else
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{
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pArea->ulRecNo++;
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pArea->ulRecordOffset = pArea->ulNextOffset;
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return hb_delimReadRecord( pArea );
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}
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}
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return SUCCESS;
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}
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/*
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* -- DELIM METHODS --
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*/
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/*
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* Position cursor at the first record.
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*/
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static ERRCODE hb_delimGoTop( DELIMAREAP pArea )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_delimGoTop(%p)", pArea));
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if( SELF_GOCOLD( ( AREAP ) pArea ) != SUCCESS )
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return FAILURE;
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pArea->fTop = TRUE;
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pArea->fBottom = FALSE;
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pArea->ulRecordOffset = 0;
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pArea->ulRecNo = 1;
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if( hb_delimReadRecord( pArea ) != SUCCESS )
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return FAILURE;
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return SELF_SKIPFILTER( ( AREAP ) pArea, 1 );
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}
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/*
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* Reposition cursor, regardless of filter.
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*/
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static ERRCODE hb_delimSkipRaw( DELIMAREAP pArea, LONG lToSkip )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_delimSkipRaw(%p,%ld)", pArea, lToSkip));
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if( SELF_GOCOLD( ( AREAP ) pArea ) != SUCCESS )
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return FAILURE;
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if( lToSkip != 1 )
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return FAILURE;
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else
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return hb_delimNextRecord( pArea );
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}
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/*
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* Determine deleted status for a record.
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*/
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static ERRCODE hb_delimDeleted( DELIMAREAP pArea, BOOL * pDeleted )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_delimDeleted(%p,%p)", pArea, pDeleted));
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HB_SYMBOL_UNUSED( pArea );
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* pDeleted = FALSE;
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return SUCCESS;
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}
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|
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/*
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* Obtain number of records in WorkArea.
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*/
|
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static ERRCODE hb_delimRecCount( DELIMAREAP pArea, ULONG * pRecCount )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_delimRecCount(%p,%p)", pArea, pRecCount));
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* pRecCount = pArea->ulRecCount;
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return SUCCESS;
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}
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|
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/*
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* Obtain physical row number at current WorkArea cursor position.
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*/
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static ERRCODE hb_delimRecNo( DELIMAREAP pArea, ULONG * pulRecNo )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_delimRecNo(%p,%p)", pArea, pulRecNo));
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*pulRecNo = pArea->ulRecNo;
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return SUCCESS;
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}
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|
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/*
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* Obtain physical row ID at current WorkArea cursor position.
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*/
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static ERRCODE hb_delimRecId( DELIMAREAP pArea, PHB_ITEM pRecNo )
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{
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ERRCODE errCode;
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ULONG ulRecNo;
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HB_TRACE(HB_TR_DEBUG, ("hb_delimRecId(%p,%p)", pArea, pRecNo));
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errCode = SELF_RECNO( ( AREAP ) pArea, &ulRecNo );
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#ifdef HB_C52_STRICT
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/* this is for strict Clipper compatibility but IMHO Clipper should not
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do that and always set fixed size independent to the record number */
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if( ulRecNo < 10000000 )
|
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{
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hb_itemPutNLLen( pRecNo, ulRecNo, 7 );
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}
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else
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{
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hb_itemPutNLLen( pRecNo, ulRecNo, 10 );
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}
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#else
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hb_itemPutNInt( pRecNo, ulRecNo );
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#endif
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return errCode;
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}
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|
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/*
|
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* Append a record to the WorkArea.
|
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*/
|
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static ERRCODE hb_delimAppend( DELIMAREAP pArea, BOOL fUnLockAll )
|
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_delimAppend(%p,%d)", pArea, (int) fUnLockAll));
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HB_SYMBOL_UNUSED( fUnLockAll );
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if( SELF_GOCOLD( ( AREAP ) pArea ) != SUCCESS )
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return FAILURE;
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|
|
if( SELF_GOHOT( ( AREAP ) pArea ) != SUCCESS )
|
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return FAILURE;
|
|
|
|
pArea->ulRecordOffset = pArea->ulFileSize;
|
|
pArea->ulRecNo = ++pArea->ulRecCount;
|
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pArea->fEof = FALSE;
|
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pArea->fPositioned = TRUE;
|
|
hb_delimClearRecordBuffer( pArea );
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|
|
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return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Delete a record.
|
|
*/
|
|
static ERRCODE hb_delimDeleteRec( DELIMAREAP pArea )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimDeleteRec(%p)", pArea));
|
|
|
|
if( pArea->fRecordChanged )
|
|
{
|
|
pArea->ulRecCount--;
|
|
pArea->fEof = TRUE;
|
|
pArea->fPositioned = pArea->fRecordChanged = FALSE;
|
|
hb_delimClearRecordBuffer( pArea );
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Obtain the current value of a field.
|
|
*/
|
|
static ERRCODE hb_delimGetValue( DELIMAREAP pArea, USHORT uiIndex, PHB_ITEM pItem )
|
|
{
|
|
LPFIELD pField;
|
|
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimGetValue(%p, %hu, %p)", pArea, uiIndex, pItem));
|
|
|
|
--uiIndex;
|
|
pField = pArea->lpFields + uiIndex;
|
|
switch( pField->uiType )
|
|
{
|
|
case HB_FT_STRING:
|
|
#ifndef HB_CDP_SUPPORT_OFF
|
|
if( pArea->cdPage != hb_cdp_page )
|
|
{
|
|
char * pVal = ( char * ) hb_xgrab( pField->uiLen + 1 );
|
|
memcpy( pVal, pArea->pRecord + pArea->pFieldOffset[ uiIndex ], pField->uiLen );
|
|
pVal[ pField->uiLen ] = '\0';
|
|
hb_cdpnTranslate( pVal, pArea->cdPage, hb_cdp_page, pField->uiLen );
|
|
hb_itemPutCLPtr( pItem, pVal, pField->uiLen );
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
hb_itemPutCL( pItem, ( char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
|
|
pField->uiLen );
|
|
}
|
|
break;
|
|
|
|
case HB_FT_LOGICAL:
|
|
switch( pArea->pRecord[ pArea->pFieldOffset[ uiIndex ] ] )
|
|
{
|
|
case 'T':
|
|
case 't':
|
|
case 'Y':
|
|
case 'y':
|
|
hb_itemPutL( pItem, TRUE );
|
|
break;
|
|
default:
|
|
hb_itemPutL( pItem, FALSE );
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case HB_FT_DATE:
|
|
hb_itemPutDS( pItem, ( char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ] );
|
|
break;
|
|
|
|
case HB_FT_LONG:
|
|
{
|
|
HB_LONG lVal;
|
|
double dVal;
|
|
BOOL fDbl;
|
|
|
|
fDbl = hb_strnToNum( (const char *) pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
|
|
pField->uiLen, &lVal, &dVal );
|
|
|
|
|
|
if( pField->uiDec )
|
|
{
|
|
hb_itemPutNDLen( pItem, fDbl ? dVal : ( double ) lVal,
|
|
( int ) ( pField->uiLen - pField->uiDec - 1 ),
|
|
( int ) pField->uiDec );
|
|
}
|
|
else if( fDbl )
|
|
{
|
|
hb_itemPutNDLen( pItem, dVal, ( int ) pField->uiLen, 0 );
|
|
}
|
|
else
|
|
{
|
|
hb_itemPutNIntLen( pItem, lVal, ( int ) pField->uiLen );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case HB_FT_MEMO:
|
|
hb_itemPutC( pItem, NULL );
|
|
break;
|
|
|
|
case HB_FT_NONE:
|
|
hb_itemClear( pItem );
|
|
break;
|
|
|
|
default:
|
|
{
|
|
PHB_ITEM pError;
|
|
pError = hb_errNew();
|
|
hb_errPutGenCode( pError, EG_DATATYPE );
|
|
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_DATATYPE ) );
|
|
hb_errPutOperation( pError, hb_dynsymName( ( PHB_DYNS ) pField->sym ) );
|
|
hb_errPutSubCode( pError, EDBF_DATATYPE );
|
|
SELF_ERROR( ( AREAP ) pArea, pError );
|
|
hb_itemRelease( pError );
|
|
return FAILURE;
|
|
}
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Assign a value to a field.
|
|
*/
|
|
static ERRCODE hb_delimPutValue( DELIMAREAP pArea, USHORT uiIndex, PHB_ITEM pItem )
|
|
{
|
|
char szBuffer[ 256 ];
|
|
ERRCODE uiError;
|
|
LPFIELD pField;
|
|
USHORT uiSize;
|
|
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimPutValue(%p,%hu,%p)", pArea, uiIndex, pItem));
|
|
|
|
if( !pArea->fPositioned )
|
|
return SUCCESS;
|
|
|
|
if( !pArea->fRecordChanged )
|
|
return FAILURE;
|
|
|
|
uiError = SUCCESS;
|
|
--uiIndex;
|
|
pField = pArea->lpFields + uiIndex;
|
|
if( pField->uiType != HB_FT_MEMO && pField->uiType != HB_FT_NONE )
|
|
{
|
|
if( HB_IS_MEMO( pItem ) || HB_IS_STRING( pItem ) )
|
|
{
|
|
if( pField->uiType == HB_FT_STRING )
|
|
{
|
|
uiSize = ( USHORT ) hb_itemGetCLen( pItem );
|
|
if( uiSize > pField->uiLen )
|
|
uiSize = pField->uiLen;
|
|
memcpy( pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
|
|
hb_itemGetCPtr( pItem ), uiSize );
|
|
#ifndef HB_CDP_SUPPORT_OFF
|
|
hb_cdpnTranslate( (char *) pArea->pRecord + pArea->pFieldOffset[ uiIndex ], hb_cdp_page, pArea->cdPage, uiSize );
|
|
#endif
|
|
memset( pArea->pRecord + pArea->pFieldOffset[ uiIndex ] + uiSize,
|
|
' ', pField->uiLen - uiSize );
|
|
}
|
|
else
|
|
uiError = EDBF_DATATYPE;
|
|
}
|
|
else if( HB_IS_DATE( pItem ) )
|
|
{
|
|
if( pField->uiType == HB_FT_DATE )
|
|
{
|
|
hb_itemGetDS( pItem, szBuffer );
|
|
memcpy( pArea->pRecord + pArea->pFieldOffset[ uiIndex ], szBuffer, 8 );
|
|
}
|
|
else
|
|
uiError = EDBF_DATATYPE;
|
|
}
|
|
else if( HB_IS_NUMBER( pItem ) )
|
|
{
|
|
if( pField->uiType == HB_FT_LONG )
|
|
{
|
|
if( hb_itemStrBuf( szBuffer, pItem, pField->uiLen, pField->uiDec ) )
|
|
{
|
|
memcpy( pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
|
|
szBuffer, pField->uiLen );
|
|
}
|
|
else
|
|
{
|
|
uiError = EDBF_DATAWIDTH;
|
|
memset( pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
|
|
'*', pField->uiLen );
|
|
}
|
|
}
|
|
else
|
|
uiError = EDBF_DATATYPE;
|
|
}
|
|
else if( HB_IS_LOGICAL( pItem ) )
|
|
{
|
|
if( pField->uiType == HB_FT_LOGICAL )
|
|
pArea->pRecord[ pArea->pFieldOffset[ uiIndex ] ] = hb_itemGetL( pItem ) ? 'T' : 'F';
|
|
else
|
|
uiError = EDBF_DATATYPE;
|
|
}
|
|
else
|
|
uiError = EDBF_DATATYPE;
|
|
}
|
|
|
|
if( uiError != SUCCESS )
|
|
{
|
|
PHB_ITEM pError= hb_errNew();
|
|
USHORT uiGenCode = uiError == EDBF_DATAWIDTH ? EG_DATAWIDTH : EDBF_DATATYPE;
|
|
|
|
hb_errPutGenCode( pError, uiGenCode );
|
|
hb_errPutDescription( pError, hb_langDGetErrorDesc( uiGenCode ) );
|
|
hb_errPutOperation( pError, hb_dynsymName( ( PHB_DYNS ) pField->sym ) );
|
|
hb_errPutSubCode( pError, uiError );
|
|
hb_errPutFlags( pError, EF_CANDEFAULT );
|
|
uiError = SELF_ERROR( ( AREAP ) pArea, pError );
|
|
hb_itemRelease( pError );
|
|
return uiError == E_DEFAULT ? SUCCESS : FAILURE;
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Replace the current record.
|
|
*/
|
|
static ERRCODE hb_delimPutRec( DELIMAREAP pArea, BYTE * pBuffer )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimPutRec(%p,%p)", pArea, pBuffer));
|
|
|
|
if( !pArea->fPositioned )
|
|
return SUCCESS;
|
|
|
|
if( !pArea->fRecordChanged )
|
|
return FAILURE;
|
|
|
|
/* Copy data to buffer */
|
|
memcpy( pArea->pRecord, pBuffer + 1, pArea->uiRecordLen );
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Retrieve current record buffer
|
|
*/
|
|
static ERRCODE hb_delimGetRec( DELIMAREAP pArea, BYTE ** pBufferPtr )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimGetRec(%p,%p)", pArea, pBufferPtr));
|
|
|
|
*pBufferPtr = pArea->pRecord - 1;
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Copy one or more records from one WorkArea to another.
|
|
*/
|
|
static ERRCODE hb_delimTrans( DELIMAREAP pArea, LPDBTRANSINFO pTransInfo )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimTrans(%p, %p)", pArea, pTransInfo));
|
|
|
|
if( pTransInfo->uiFlags & DBTF_MATCH )
|
|
{
|
|
if( !pArea->fTransRec || pArea->cdPage != pTransInfo->lpaDest->cdPage )
|
|
pTransInfo->uiFlags &= ~DBTF_PUTREC;
|
|
else if( pArea->rddID == pTransInfo->lpaDest->rddID )
|
|
pTransInfo->uiFlags |= DBTF_PUTREC;
|
|
else
|
|
{
|
|
PHB_ITEM pPutRec = hb_itemPutL( NULL, FALSE );
|
|
if( SELF_INFO( ( AREAP ) pTransInfo->lpaDest, DBI_CANPUTREC, pPutRec ) != SUCCESS )
|
|
{
|
|
hb_itemRelease( pPutRec );
|
|
return FAILURE;
|
|
}
|
|
if( hb_itemGetL( pPutRec ) )
|
|
pTransInfo->uiFlags |= DBTF_PUTREC;
|
|
else
|
|
pTransInfo->uiFlags &= ~DBTF_PUTREC;
|
|
hb_itemRelease( pPutRec );
|
|
}
|
|
}
|
|
return SUPER_TRANS( ( AREAP ) pArea, pTransInfo );
|
|
}
|
|
|
|
/*
|
|
* Perform a write of WorkArea memory to the data store.
|
|
*/
|
|
static ERRCODE hb_delimGoCold( DELIMAREAP pArea )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimGoCold(%p)", pArea));
|
|
|
|
if( pArea->fRecordChanged )
|
|
{
|
|
ULONG ulSize = hb_delimEncodeBuffer( pArea );
|
|
|
|
hb_fsSeekLarge( pArea->hFile, pArea->ulRecordOffset, FS_SET );
|
|
if( hb_fsWriteLarge( pArea->hFile, pArea->pBuffer, ulSize ) != ulSize )
|
|
{
|
|
PHB_ITEM pError = hb_errNew();
|
|
|
|
hb_errPutGenCode( pError, EG_WRITE );
|
|
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_WRITE ) );
|
|
hb_errPutSubCode( pError, EDBF_WRITE );
|
|
hb_errPutOsCode( pError, hb_fsError() );
|
|
hb_errPutFileName( pError, pArea->szFileName );
|
|
SELF_ERROR( ( AREAP ) pArea, pError );
|
|
hb_itemRelease( pError );
|
|
return FAILURE;
|
|
}
|
|
pArea->ulFileSize += ulSize;
|
|
pArea->ulNextOffset = pArea->ulFileSize;
|
|
pArea->fRecordChanged = FALSE;
|
|
pArea->fFlush = TRUE;
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Mark the WorkArea data buffer as hot.
|
|
*/
|
|
static ERRCODE hb_delimGoHot( DELIMAREAP pArea )
|
|
{
|
|
PHB_ITEM pError;
|
|
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimGoHot(%p)", pArea));
|
|
|
|
if( pArea->fReadonly )
|
|
{
|
|
pError = hb_errNew();
|
|
hb_errPutGenCode( pError, EG_READONLY );
|
|
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_READONLY ) );
|
|
hb_errPutSubCode( pError, EDBF_READONLY );
|
|
SELF_ERROR( ( AREAP ) pArea, pError );
|
|
hb_itemRelease( pError );
|
|
return FAILURE;
|
|
}
|
|
pArea->fRecordChanged = TRUE;
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Write data buffer to the data store.
|
|
*/
|
|
static ERRCODE hb_delimFlush( DELIMAREAP pArea )
|
|
{
|
|
ERRCODE uiError;
|
|
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimFlush(%p)", pArea));
|
|
|
|
uiError = SELF_GOCOLD( ( AREAP ) pArea );
|
|
|
|
if( pArea->fFlush )
|
|
{
|
|
hb_fsSeekLarge( pArea->hFile, pArea->ulFileSize, FS_SET );
|
|
hb_fsWrite( pArea->hFile, ( BYTE * ) "\032", 1 );
|
|
if( hb_set.HB_SET_HARDCOMMIT )
|
|
{
|
|
hb_fsCommit( pArea->hFile );
|
|
pArea->fFlush = FALSE;
|
|
}
|
|
}
|
|
|
|
return uiError;
|
|
}
|
|
|
|
/*
|
|
* Retrieve information about the current table/driver.
|
|
*/
|
|
static ERRCODE hb_delimInfo( DELIMAREAP pArea, USHORT uiIndex, PHB_ITEM pItem )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimInfo(%p,%hu,%p)", pArea, uiIndex, pItem));
|
|
|
|
switch( uiIndex )
|
|
{
|
|
case DBI_CANPUTREC:
|
|
hb_itemPutL( pItem, pArea->fTransRec );
|
|
break;
|
|
|
|
case DBI_GETRECSIZE:
|
|
hb_itemPutNL( pItem, pArea->uiRecordLen );
|
|
break;
|
|
|
|
case DBI_GETDELIMITER:
|
|
{
|
|
char szDelim[ 2 ];
|
|
szDelim[ 0 ] = pArea->cDelim;
|
|
szDelim[ 1 ] = '\0';
|
|
hb_itemPutC( pItem, szDelim );
|
|
break;
|
|
}
|
|
case DBI_SETDELIMITER:
|
|
if( hb_itemType( pItem ) & HB_IT_STRING )
|
|
{
|
|
char * szDelim = hb_itemGetCPtr( pItem );
|
|
|
|
if( hb_stricmp( szDelim, "BLANK" ) == 0 )
|
|
{
|
|
pArea->cDelim = '\0';
|
|
pArea->cSeparator = ' ';
|
|
}
|
|
#ifndef HB_C52_STRICT
|
|
else if( hb_stricmp( szDelim, "PIPE" ) == 0 )
|
|
{
|
|
pArea->cDelim = '\0';
|
|
pArea->cSeparator = '|';
|
|
}
|
|
else if( hb_stricmp( szDelim, "TAB" ) == 0 )
|
|
{
|
|
pArea->cDelim = '\0';
|
|
pArea->cSeparator = '\t';
|
|
}
|
|
else
|
|
#else
|
|
else if( *szDelim )
|
|
#endif
|
|
{
|
|
pArea->cDelim = *szDelim;
|
|
}
|
|
}
|
|
/*
|
|
* a small trick which allow to set character field delimiter and
|
|
* field separator in COPY TO ... and APPEND FROM ... commands as
|
|
* array. F.e.:
|
|
* COPY TO test DELIMITED WITH ({"","|"})
|
|
*/
|
|
#ifndef HB_C52_STRICT
|
|
else if( hb_itemType( pItem ) & HB_IT_ARRAY )
|
|
{
|
|
PHB_ITEM pDelim, pSeparator;
|
|
|
|
pDelim = hb_arrayGetItemPtr( pItem, 1 );
|
|
pSeparator = hb_arrayGetItemPtr( pItem, 2 );
|
|
if( hb_itemType( pDelim ) & HB_IT_STRING )
|
|
pArea->cDelim = *hb_itemGetCPtr( pDelim );
|
|
if( hb_itemType( pSeparator ) & HB_IT_STRING )
|
|
{
|
|
char * szSeparator = hb_itemGetCPtr( pSeparator );
|
|
if( *szSeparator )
|
|
pArea->cSeparator = *szSeparator;
|
|
}
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
case DBI_SEPARATOR:
|
|
{
|
|
char szSeparator[ 2 ];
|
|
char * szNew = hb_itemGetCPtr( pItem );
|
|
szSeparator[ 0 ] = pArea->cSeparator;
|
|
szSeparator[ 1 ] = '\0';
|
|
if( *szNew )
|
|
pArea->cSeparator = *szNew;
|
|
hb_itemPutC( pItem, szSeparator );
|
|
break;
|
|
}
|
|
case DBI_FULLPATH:
|
|
hb_itemPutC( pItem, pArea->szFileName);
|
|
break;
|
|
|
|
case DBI_FILEHANDLE:
|
|
hb_itemPutNInt( pItem, ( HB_NHANDLE ) pArea->hFile );
|
|
break;
|
|
|
|
case DBI_SHARED:
|
|
hb_itemPutL( pItem, pArea->fShared );
|
|
break;
|
|
|
|
case DBI_ISREADONLY:
|
|
hb_itemPutL( pItem, pArea->fReadonly );
|
|
break;
|
|
|
|
case DBI_POSITIONED:
|
|
hb_itemPutL( pItem, pArea->fPositioned );
|
|
break;
|
|
|
|
case DBI_DB_VERSION:
|
|
case DBI_RDD_VERSION:
|
|
{
|
|
char szBuf[ 64 ];
|
|
int iSub = hb_itemGetNI( pItem );
|
|
|
|
if( iSub == 1 )
|
|
snprintf( szBuf, sizeof( szBuf ), "%d.%d (%s)", 0, 1, "DELIM" );
|
|
else if( iSub == 2 )
|
|
snprintf( szBuf, sizeof( szBuf ), "%d.%d (%s:%d)", 0, 1, "DELIM", pArea->rddID );
|
|
else
|
|
snprintf( szBuf, sizeof( szBuf ), "%d.%d", 0, 1 );
|
|
hb_itemPutC( pItem, szBuf );
|
|
break;
|
|
}
|
|
|
|
default:
|
|
return SUPER_INFO( ( AREAP ) pArea, uiIndex, pItem );
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Add a field to the WorkArea.
|
|
*/
|
|
static ERRCODE hb_delimAddField( DELIMAREAP pArea, LPDBFIELDINFO pFieldInfo )
|
|
{
|
|
USHORT uiDelim = 0;
|
|
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimAddField(%p, %p)", pArea, pFieldInfo));
|
|
|
|
switch( pFieldInfo->uiType )
|
|
{
|
|
case HB_FT_STRING:
|
|
uiDelim = 2;
|
|
break;
|
|
|
|
case HB_FT_MEMO:
|
|
case HB_FT_IMAGE:
|
|
case HB_FT_BLOB:
|
|
case HB_FT_OLE:
|
|
pFieldInfo->uiType = HB_FT_MEMO;
|
|
pFieldInfo->uiLen = 0;
|
|
pArea->fTransRec = FALSE;
|
|
break;
|
|
|
|
case HB_FT_ANY:
|
|
if( pFieldInfo->uiLen == 3 )
|
|
{
|
|
pFieldInfo->uiType = HB_FT_DATE;
|
|
pFieldInfo->uiLen = 8;
|
|
}
|
|
else if( pFieldInfo->uiLen < 6 )
|
|
{
|
|
pFieldInfo->uiType = HB_FT_LONG;
|
|
pFieldInfo->uiLen = s_uiNumLength[ pFieldInfo->uiLen ];
|
|
}
|
|
else
|
|
{
|
|
pFieldInfo->uiType = HB_FT_MEMO;
|
|
pFieldInfo->uiLen = 0;
|
|
}
|
|
pArea->fTransRec = FALSE;
|
|
break;
|
|
|
|
case HB_FT_DATE:
|
|
if( pFieldInfo->uiLen != 8 )
|
|
{
|
|
pFieldInfo->uiLen = 8;
|
|
pArea->fTransRec = FALSE;
|
|
}
|
|
break;
|
|
|
|
case HB_FT_FLOAT:
|
|
pFieldInfo->uiType = HB_FT_LONG;
|
|
break;
|
|
|
|
case HB_FT_INTEGER:
|
|
case HB_FT_CURRENCY:
|
|
case HB_FT_ROWVER:
|
|
case HB_FT_AUTOINC:
|
|
pFieldInfo->uiType = HB_FT_LONG;
|
|
pFieldInfo->uiLen = s_uiNumLength[ pFieldInfo->uiLen ];
|
|
if( pFieldInfo->uiDec )
|
|
pFieldInfo->uiLen++;
|
|
pArea->fTransRec = FALSE;
|
|
break;
|
|
|
|
case HB_FT_DOUBLE:
|
|
case HB_FT_CURDOUBLE:
|
|
pFieldInfo->uiType = HB_FT_LONG;
|
|
pFieldInfo->uiLen = 20;
|
|
pArea->fTransRec = FALSE;
|
|
break;
|
|
|
|
case HB_FT_VARLENGTH:
|
|
pFieldInfo->uiType = HB_FT_STRING;
|
|
pArea->fTransRec = FALSE;
|
|
uiDelim = 2;
|
|
break;
|
|
|
|
case HB_FT_LOGICAL:
|
|
if( pFieldInfo->uiLen != 1 )
|
|
{
|
|
pFieldInfo->uiLen = 1;
|
|
pArea->fTransRec = FALSE;
|
|
}
|
|
break;
|
|
|
|
case HB_FT_LONG:
|
|
break;
|
|
|
|
case HB_FT_DAYTIME:
|
|
case HB_FT_MODTIME:
|
|
pFieldInfo->uiType = HB_FT_STRING;
|
|
pFieldInfo->uiLen = 23;
|
|
pArea->fTransRec = FALSE;
|
|
break;
|
|
|
|
default:
|
|
pFieldInfo->uiType = HB_FT_NONE;
|
|
pFieldInfo->uiLen = 0;
|
|
pArea->fTransRec = FALSE;
|
|
break;
|
|
}
|
|
|
|
/* Update field offset */
|
|
pArea->pFieldOffset[ pArea->uiFieldCount ] = pArea->uiRecordLen;
|
|
pArea->uiRecordLen += pFieldInfo->uiLen;
|
|
pArea->ulBufferSize += pFieldInfo->uiLen + uiDelim + 1;
|
|
|
|
return SUPER_ADDFIELD( ( AREAP ) pArea, pFieldInfo );
|
|
}
|
|
|
|
/*
|
|
* Establish the extent of the array of fields for a WorkArea.
|
|
*/
|
|
static ERRCODE hb_delimSetFieldExtent( DELIMAREAP pArea, USHORT uiFieldExtent )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimSetFieldExtent(%p,%hu)", pArea, uiFieldExtent));
|
|
|
|
if( SUPER_SETFIELDEXTENT( ( AREAP ) pArea, uiFieldExtent ) == FAILURE )
|
|
return FAILURE;
|
|
|
|
/* Alloc field offsets array */
|
|
if( uiFieldExtent )
|
|
{
|
|
pArea->pFieldOffset = ( USHORT * ) hb_xgrab( uiFieldExtent * sizeof( USHORT ) );
|
|
memset( pArea->pFieldOffset, 0, uiFieldExtent * sizeof( USHORT ) );
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Clear the WorkArea for use.
|
|
*/
|
|
static ERRCODE hb_delimNewArea( DELIMAREAP pArea )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimNewArea(%p)", pArea));
|
|
|
|
if( SUPER_NEW( ( AREAP ) pArea ) == FAILURE )
|
|
return FAILURE;
|
|
|
|
pArea->hFile = FS_ERROR;
|
|
pArea->fTransRec = TRUE;
|
|
pArea->uiRecordLen = 0;
|
|
pArea->ulBufferSize = 0;
|
|
|
|
/* set character field delimiter */
|
|
pArea->cDelim = '"';
|
|
|
|
/* set field separator */
|
|
pArea->cSeparator = ',';
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Retrieve the size of the WorkArea structure.
|
|
*/
|
|
static ERRCODE hb_delimStructSize( DELIMAREAP pArea, USHORT * uiSize )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimStrucSize(%p,%p)", pArea, uiSize));
|
|
HB_SYMBOL_UNUSED( pArea );
|
|
|
|
* uiSize = sizeof( DELIMAREA );
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Close the table in the WorkArea.
|
|
*/
|
|
static ERRCODE hb_delimClose( DELIMAREAP pArea )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimClose(%p)", pArea));
|
|
|
|
SUPER_CLOSE( ( AREAP ) pArea );
|
|
|
|
/* Update record and unlock records */
|
|
if( pArea->hFile != FS_ERROR )
|
|
{
|
|
SELF_FLUSH( ( AREAP ) pArea );
|
|
hb_fsClose( pArea->hFile );
|
|
pArea->hFile = FS_ERROR;
|
|
}
|
|
|
|
if( pArea->pFieldOffset )
|
|
{
|
|
hb_xfree( pArea->pFieldOffset );
|
|
pArea->pFieldOffset = NULL;
|
|
}
|
|
if( pArea->pRecord )
|
|
{
|
|
hb_xfree( pArea->pRecord - 1 );
|
|
pArea->pRecord = NULL;
|
|
}
|
|
if( pArea->pBuffer )
|
|
{
|
|
hb_xfree( pArea->pBuffer );
|
|
pArea->pBuffer = NULL;
|
|
}
|
|
if( pArea->szEol )
|
|
{
|
|
hb_xfree( pArea->szEol );
|
|
pArea->szEol = NULL;
|
|
}
|
|
if( pArea->szFileName )
|
|
{
|
|
hb_xfree( pArea->szFileName );
|
|
pArea->szFileName = NULL;
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Create a data store in the specified WorkArea.
|
|
*/
|
|
static ERRCODE hb_delimCreate( DELIMAREAP pArea, LPDBOPENINFO pCreateInfo )
|
|
{
|
|
PHB_ITEM pError = NULL;
|
|
PHB_FNAME pFileName;
|
|
ERRCODE errCode;
|
|
BOOL fRetry;
|
|
BYTE szFileName[ _POSIX_PATH_MAX + 1 ];
|
|
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimCreate(%p,%p)", pArea, pCreateInfo));
|
|
|
|
pArea->fShared = FALSE; /* pCreateInfo->fShared; */
|
|
pArea->fReadonly = FALSE; /* pCreateInfo->fReadonly */
|
|
#ifndef HB_CDP_SUPPORT_OFF
|
|
if( pCreateInfo->cdpId )
|
|
{
|
|
pArea->cdPage = hb_cdpFind( (char *) pCreateInfo->cdpId );
|
|
if( !pArea->cdPage )
|
|
pArea->cdPage = hb_cdp_page;
|
|
}
|
|
else
|
|
pArea->cdPage = hb_cdp_page;
|
|
#endif
|
|
|
|
pFileName = hb_fsFNameSplit( ( char * ) pCreateInfo->abName );
|
|
if( hb_set.HB_SET_DEFEXTENSIONS && ! pFileName->szExtension )
|
|
{
|
|
PHB_ITEM pItem = hb_itemPutC( NULL, NULL );
|
|
SELF_INFO( ( AREAP ) pArea, DBI_TABLEEXT, pItem );
|
|
pFileName->szExtension = hb_itemGetCPtr( pItem );
|
|
hb_fsFNameMerge( ( char * ) szFileName, pFileName );
|
|
hb_itemRelease( pItem );
|
|
}
|
|
else
|
|
{
|
|
hb_strncpy( ( char * ) szFileName, ( char * ) pCreateInfo->abName, _POSIX_PATH_MAX );
|
|
}
|
|
hb_xfree( pFileName );
|
|
|
|
/* Try create */
|
|
do
|
|
{
|
|
pArea->hFile = hb_fsExtOpen( szFileName, NULL,
|
|
FO_READWRITE | FO_EXCLUSIVE | FXO_TRUNCATE |
|
|
FXO_DEFAULTS | FXO_SHARELOCK | FXO_COPYNAME,
|
|
NULL, pError );
|
|
if( pArea->hFile == FS_ERROR )
|
|
{
|
|
if( !pError )
|
|
{
|
|
pError = hb_errNew();
|
|
hb_errPutGenCode( pError, EG_CREATE );
|
|
hb_errPutSubCode( pError, EDBF_CREATE_DBF );
|
|
hb_errPutOsCode( pError, hb_fsError() );
|
|
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_CREATE ) );
|
|
hb_errPutFileName( pError, ( char * ) szFileName );
|
|
hb_errPutFlags( pError, EF_CANRETRY | EF_CANDEFAULT );
|
|
}
|
|
fRetry = ( SELF_ERROR( ( AREAP ) pArea, pError ) == E_RETRY );
|
|
}
|
|
else
|
|
fRetry = FALSE;
|
|
}
|
|
while( fRetry );
|
|
|
|
if( pError )
|
|
hb_itemRelease( pError );
|
|
|
|
if( pArea->hFile == FS_ERROR )
|
|
return FAILURE;
|
|
|
|
errCode = SUPER_CREATE( ( AREAP ) pArea, pCreateInfo );
|
|
if( errCode != SUCCESS )
|
|
{
|
|
SELF_CLOSE( ( AREAP ) pArea );
|
|
return errCode;
|
|
}
|
|
|
|
hb_delimInitArea( pArea, ( char * ) szFileName );
|
|
|
|
/* Position cursor at the first record */
|
|
return SELF_GOTOP( ( AREAP ) pArea );
|
|
}
|
|
|
|
/*
|
|
* Open a data store in the WorkArea.
|
|
*/
|
|
static ERRCODE hb_delimOpen( DELIMAREAP pArea, LPDBOPENINFO pOpenInfo )
|
|
{
|
|
PHB_ITEM pError = NULL;
|
|
PHB_FNAME pFileName;
|
|
ERRCODE errCode;
|
|
USHORT uiFlags;
|
|
BOOL fRetry;
|
|
BYTE szFileName[ _POSIX_PATH_MAX + 1 ];
|
|
char szAlias[ HARBOUR_MAX_RDD_ALIAS_LENGTH + 1 ];
|
|
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimOpen(%p,%p)", pArea, pOpenInfo));
|
|
|
|
pArea->fShared = TRUE; /* pOpenInfo->fShared; */
|
|
pArea->fReadonly = TRUE; /* pOpenInfo->fReadonly; */
|
|
#ifndef HB_CDP_SUPPORT_OFF
|
|
if( pOpenInfo->cdpId )
|
|
{
|
|
pArea->cdPage = hb_cdpFind( (char *) pOpenInfo->cdpId );
|
|
if( !pArea->cdPage )
|
|
pArea->cdPage = hb_cdp_page;
|
|
}
|
|
else
|
|
pArea->cdPage = hb_cdp_page;
|
|
#endif
|
|
|
|
uiFlags = ( pArea->fReadonly ? FO_READ : FO_READWRITE ) |
|
|
( pArea->fShared ? FO_DENYNONE : FO_EXCLUSIVE );
|
|
|
|
pFileName = hb_fsFNameSplit( ( char * ) pOpenInfo->abName );
|
|
/* Add default file name extension if necessary */
|
|
if( hb_set.HB_SET_DEFEXTENSIONS && ! pFileName->szExtension )
|
|
{
|
|
PHB_ITEM pFileExt = hb_itemPutC( NULL, NULL );
|
|
SELF_INFO( ( AREAP ) pArea, DBI_TABLEEXT, pFileExt );
|
|
pFileName->szExtension = hb_itemGetCPtr( pFileExt );
|
|
hb_fsFNameMerge( ( char * ) szFileName, pFileName );
|
|
hb_itemRelease( pFileExt );
|
|
}
|
|
else
|
|
{
|
|
hb_strncpy( ( char * ) szFileName, ( char * ) pOpenInfo->abName, _POSIX_PATH_MAX );
|
|
}
|
|
|
|
/* Create default alias if necessary */
|
|
if( !pOpenInfo->atomAlias && pFileName->szName )
|
|
{
|
|
hb_strncpyUpperTrim( szAlias, pFileName->szName, HARBOUR_MAX_RDD_ALIAS_LENGTH );
|
|
pOpenInfo->atomAlias = ( BYTE * ) szAlias;
|
|
}
|
|
hb_xfree( pFileName );
|
|
|
|
/* Try open */
|
|
do
|
|
{
|
|
pArea->hFile = hb_fsExtOpen( szFileName, NULL, uiFlags |
|
|
FXO_DEFAULTS | FXO_SHARELOCK | FXO_COPYNAME,
|
|
NULL, pError );
|
|
if( pArea->hFile == FS_ERROR )
|
|
{
|
|
if( !pError )
|
|
{
|
|
pError = hb_errNew();
|
|
hb_errPutGenCode( pError, EG_OPEN );
|
|
hb_errPutSubCode( pError, EDBF_OPEN_DBF );
|
|
hb_errPutOsCode( pError, hb_fsError() );
|
|
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_OPEN ) );
|
|
hb_errPutFileName( pError, ( char * ) szFileName );
|
|
hb_errPutFlags( pError, EF_CANRETRY | EF_CANDEFAULT );
|
|
}
|
|
fRetry = ( SELF_ERROR( ( AREAP ) pArea, pError ) == E_RETRY );
|
|
}
|
|
else
|
|
fRetry = FALSE;
|
|
}
|
|
while( fRetry );
|
|
|
|
if( pError )
|
|
hb_itemRelease( pError );
|
|
|
|
if( pArea->hFile == FS_ERROR )
|
|
return FAILURE;
|
|
|
|
errCode = SUPER_OPEN( ( AREAP ) pArea, pOpenInfo );
|
|
if( errCode != SUCCESS )
|
|
{
|
|
SELF_CLOSE( ( AREAP ) pArea );
|
|
return FAILURE;
|
|
}
|
|
|
|
hb_delimInitArea( pArea, ( char * ) szFileName );
|
|
|
|
/* Position cursor at the first record */
|
|
return SELF_GOTOP( ( AREAP ) pArea );
|
|
}
|
|
|
|
/*
|
|
* Retrieve information about the current driver.
|
|
*/
|
|
static ERRCODE hb_delimRddInfo( LPRDDNODE pRDD, USHORT uiIndex, ULONG ulConnect, PHB_ITEM pItem )
|
|
{
|
|
HB_TRACE(HB_TR_DEBUG, ("hb_delimRddInfo(%p,%hu,%lu,%p)", pRDD, uiIndex, ulConnect, pItem));
|
|
|
|
switch( uiIndex )
|
|
{
|
|
case RDDI_CANPUTREC:
|
|
case RDDI_LOCAL:
|
|
hb_itemPutL( pItem, TRUE );
|
|
break;
|
|
|
|
case RDDI_TABLEEXT:
|
|
hb_itemPutC( pItem, DELIM_TABLEEXT );
|
|
break;
|
|
|
|
default:
|
|
return SUPER_RDDINFO( pRDD, uiIndex, ulConnect, pItem );
|
|
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
|
|
static const RDDFUNCS delimTable = { NULL /* hb_delimBof */,
|
|
NULL /* hb_delimEof */,
|
|
NULL /* hb_delimFound */,
|
|
NULL /* hb_delimGoBottom */,
|
|
NULL /* hb_delimGoTo */,
|
|
NULL /* hb_delimGoToId */,
|
|
( DBENTRYP_V ) hb_delimGoTop,
|
|
NULL /* hb_delimSeek */,
|
|
NULL /* hb_delimSkip */,
|
|
NULL /* hb_delimSkipFilter */,
|
|
( DBENTRYP_L ) hb_delimSkipRaw,
|
|
( DBENTRYP_VF ) hb_delimAddField,
|
|
( DBENTRYP_B ) hb_delimAppend,
|
|
NULL /* hb_delimCreateFields */,
|
|
( DBENTRYP_V ) hb_delimDeleteRec,
|
|
( DBENTRYP_BP ) hb_delimDeleted,
|
|
NULL /* hb_delimFieldCount */,
|
|
NULL /* hb_delimFieldDisplay */,
|
|
NULL /* hb_delimFieldInfo */,
|
|
NULL /* hb_delimFieldName */,
|
|
( DBENTRYP_V ) hb_delimFlush,
|
|
( DBENTRYP_PP ) hb_delimGetRec,
|
|
( DBENTRYP_SI ) hb_delimGetValue,
|
|
NULL /* hb_delimGetVarLen */,
|
|
( DBENTRYP_V ) hb_delimGoCold,
|
|
( DBENTRYP_V ) hb_delimGoHot,
|
|
( DBENTRYP_P ) hb_delimPutRec,
|
|
( DBENTRYP_SI ) hb_delimPutValue,
|
|
NULL /* hb_delimRecall */,
|
|
( DBENTRYP_ULP ) hb_delimRecCount,
|
|
NULL /* hb_delimRecInfo */,
|
|
( DBENTRYP_ULP ) hb_delimRecNo,
|
|
( DBENTRYP_I ) hb_delimRecId,
|
|
( DBENTRYP_S ) hb_delimSetFieldExtent,
|
|
NULL /* hb_delimAlias */,
|
|
( DBENTRYP_V ) hb_delimClose,
|
|
( DBENTRYP_VP ) hb_delimCreate,
|
|
( DBENTRYP_SI ) hb_delimInfo,
|
|
( DBENTRYP_V ) hb_delimNewArea,
|
|
( DBENTRYP_VP ) hb_delimOpen,
|
|
NULL /* hb_delimRelease */,
|
|
( DBENTRYP_SP ) hb_delimStructSize,
|
|
NULL /* hb_delimSysName */,
|
|
NULL /* hb_delimEval */,
|
|
NULL /* hb_delimPack */,
|
|
NULL /* hb_delimPackRec */,
|
|
NULL /* hb_delimSort */,
|
|
( DBENTRYP_VT ) hb_delimTrans,
|
|
NULL /* hb_delimTransRec */,
|
|
NULL /* hb_delimZap */,
|
|
NULL /* hb_delimChildEnd */,
|
|
NULL /* hb_delimChildStart */,
|
|
NULL /* hb_delimChildSync */,
|
|
NULL /* hb_delimSyncChildren */,
|
|
NULL /* hb_delimClearRel */,
|
|
NULL /* hb_delimForceRel */,
|
|
NULL /* hb_delimRelArea */,
|
|
NULL /* hb_delimRelEval */,
|
|
NULL /* hb_delimRelText */,
|
|
NULL /* hb_delimSetRel */,
|
|
NULL /* hb_delimOrderListAdd */,
|
|
NULL /* hb_delimOrderListClear */,
|
|
NULL /* hb_delimOrderListDelete */,
|
|
NULL /* hb_delimOrderListFocus */,
|
|
NULL /* hb_delimOrderListRebuild */,
|
|
NULL /* hb_delimOrderCondition */,
|
|
NULL /* hb_delimOrderCreate */,
|
|
NULL /* hb_delimOrderDestroy */,
|
|
NULL /* hb_delimOrderInfo */,
|
|
NULL /* hb_delimClearFilter */,
|
|
NULL /* hb_delimClearLocate */,
|
|
NULL /* hb_delimClearScope */,
|
|
NULL /* hb_delimCountScope */,
|
|
NULL /* hb_delimFilterText */,
|
|
NULL /* hb_delimScopeInfo */,
|
|
NULL /* hb_delimSetFilter */,
|
|
NULL /* hb_delimSetLocate */,
|
|
NULL /* hb_delimSetScope */,
|
|
NULL /* hb_delimSkipScope */,
|
|
NULL /* hb_delimLocate */,
|
|
NULL /* hb_delimCompile */,
|
|
NULL /* hb_delimError */,
|
|
NULL /* hb_delimEvalBlock */,
|
|
NULL /* hb_delimRawLock */,
|
|
NULL /* hb_delimLock */,
|
|
NULL /* hb_delimUnLock */,
|
|
NULL /* hb_delimCloseMemFile */,
|
|
NULL /* hb_delimCreateMemFile */,
|
|
NULL /* hb_delimGetValueFile */,
|
|
NULL /* hb_delimOpenMemFile */,
|
|
NULL /* hb_delimPutValueFile */,
|
|
NULL /* hb_delimReadDBHeader */,
|
|
NULL /* hb_delimWriteDBHeader */,
|
|
NULL /* hb_delimInit */,
|
|
NULL /* hb_delimExit */,
|
|
NULL /* hb_delimDrop */,
|
|
NULL /* hb_delimExists */,
|
|
( DBENTRYP_RSLV ) hb_delimRddInfo,
|
|
NULL /* hb_delimWhoCares */
|
|
};
|
|
|
|
|
|
/*
|
|
* -- DELIM METHODS --
|
|
*/
|
|
|
|
|
|
HB_FUNC( DELIM ) { ; }
|
|
|
|
HB_FUNC( DELIM_GETFUNCTABLE )
|
|
{
|
|
RDDFUNCS * pTable;
|
|
USHORT * uiCount;
|
|
|
|
uiCount = ( USHORT * ) hb_parptr( 1 );
|
|
pTable = ( RDDFUNCS * ) hb_parptr( 2 );
|
|
|
|
HB_TRACE(HB_TR_DEBUG, ("DELIM_GETFUNCTABLE(%p, %p)", uiCount, pTable));
|
|
|
|
if( pTable )
|
|
{
|
|
if( uiCount )
|
|
* uiCount = RDDFUNCSCOUNT;
|
|
hb_retni( hb_rddInherit( pTable, &delimTable, &delimSuper, NULL ) );
|
|
}
|
|
else
|
|
hb_retni( FAILURE );
|
|
}
|
|
|
|
|
|
#define __PRG_SOURCE__ __FILE__
|
|
|
|
#ifdef HB_PCODE_VER
|
|
#undef HB_PRG_PCODE_VER
|
|
#define HB_PRG_PCODE_VER HB_PCODE_VER
|
|
#endif
|
|
|
|
static void hb_delimRddInit( void * cargo )
|
|
{
|
|
HB_SYMBOL_UNUSED( cargo );
|
|
|
|
if( hb_rddRegister( "DELIM", RDT_TRANSFER ) > 1 )
|
|
{
|
|
hb_errInternal( HB_EI_RDDINVALID, NULL, NULL, NULL );
|
|
}
|
|
}
|
|
|
|
HB_INIT_SYMBOLS_BEGIN( delim1__InitSymbols )
|
|
{ "DELIM", {HB_FS_PUBLIC|HB_FS_LOCAL}, {HB_FUNCNAME( DELIM )}, NULL },
|
|
{ "DELIM_GETFUNCTABLE", {HB_FS_PUBLIC|HB_FS_LOCAL}, {HB_FUNCNAME( DELIM_GETFUNCTABLE )}, NULL }
|
|
HB_INIT_SYMBOLS_END( delim1__InitSymbols )
|
|
|
|
HB_CALL_ON_STARTUP_BEGIN( _hb_delim_rdd_init_ )
|
|
hb_vmAtInit( hb_delimRddInit, NULL );
|
|
HB_CALL_ON_STARTUP_END( _hb_delim_rdd_init_ )
|
|
|
|
#if defined(HB_PRAGMA_STARTUP)
|
|
#pragma startup delim1__InitSymbols
|
|
#pragma startup _hb_delim_rdd_init_
|
|
#elif defined(HB_MSC_STARTUP)
|
|
#pragma data_seg( HB_MSC_START_SEGMENT )
|
|
static HB_$INITSYM hb_vm_auto_delim1__InitSymbols = delim1__InitSymbols;
|
|
static HB_$INITSYM hb_vm_auto_delim_rdd_init = _hb_delim_rdd_init_;
|
|
#pragma data_seg()
|
|
#endif
|