/*
* Read record, decode it to buffer and set next record offset
*/
static HB_ERRCODE hb_delimReadRecord( DELIMAREAP pArea )
{
USHORT uiField, uiLen, uiSize;
HB_TYPE uiType;
LPFIELD pField;
BYTE * pFieldBuf, buffer[ 256 ];
char cStop;
int ch = 0;
HB_TRACE(HB_TR_DEBUG, ("hb_delimReadRecord(%p)", pArea));
if( pArea->ulBufferStart <= pArea->ulRecordOffset &&
pArea->ulBufferStart + ( HB_FOFFSET ) pArea->ulBufferRead > pArea->ulRecordOffset )
{
pArea->ulBufferIndex = ( ULONG ) ( pArea->ulRecordOffset - pArea->ulBufferStart );
}
else
{
pArea->ulBufferStart = pArea->ulRecordOffset;
pArea->ulBufferRead = pArea->ulBufferIndex = 0;
}
/* clear the record buffer */
hb_delimClearRecordBuffer( pArea );
for( uiField = 0; uiField < pArea->uiFieldCount; ++uiField )
{
pField = pArea->lpFields + uiField;
uiType = pField->uiType;
if( uiType == HB_FT_STRING || uiType == HB_FT_LOGICAL ||
uiType == HB_FT_DATE || uiType == HB_FT_LONG )
{
uiSize = 0;
uiLen = pField->uiLen;
pFieldBuf = pArea->pRecord + pArea->pFieldOffset[ uiField ];
/* ignore leading spaces */
do
ch = hb_delimNextChar( pArea );
while( ch == ' ' );
/* set the stop character */
if( pArea->cDelim && ch == pArea->cDelim )
{
cStop = pArea->cDelim;
ch = hb_delimNextChar( pArea );
}
else
cStop = pArea->cSeparator;
/*
* Clipper uses differ rules for character fields, they
* can be terminated only with valid stop character, when
* other fields also by length
*/
if( pField->uiType == HB_FT_STRING )
{
while( ch >= 0 && ch != cStop )
{
if( uiSize < uiLen )
pFieldBuf[ uiSize++ ] = ( BYTE ) ch;
ch = hb_delimNextChar( pArea );
}
}
else
{
while( ch >= 0 && ch != cStop && uiSize < uiLen )
{
buffer[ uiSize++ ] = ( BYTE ) ch;
ch = hb_delimNextChar( pArea );
}
buffer[ uiSize ] = '\0';
if( pField->uiType == HB_FT_LOGICAL )
{
*pFieldBuf = ( *buffer == 'T' || *buffer == 't' ||
*buffer == 'Y' || *buffer == 'y' ) ? 'T' : 'F';
}
else if( pField->uiType == HB_FT_DATE )
{
if( uiSize == 8 && hb_dateEncStr( ( char * ) buffer ) != 0 )
memcpy( pFieldBuf, buffer, 8 );
}
else
{
HB_LONG lVal;
double dVal;
BOOL fDbl;
fDbl = hb_strnToNum( (const char *) buffer, uiSize, &lVal, &dVal );
if( fDbl )
pArea->valResult = hb_itemPutNDLen( pArea->valResult, dVal,
uiLen - pField->uiDec - 1, pField->uiDec );
else
pArea->valResult = hb_itemPutNIntLen( pArea->valResult,
lVal, uiLen );
hb_itemStrBuf( ( char * ) buffer, pArea->valResult, uiLen, pField->uiDec );
/* TODO: RT error on width range */
memcpy( pFieldBuf, buffer, uiLen );
}
}
/* ignore all character to the next field separator */
while( ch >= 0 && ch != pArea->cSeparator )
ch = hb_delimNextChar( pArea );
/* stop reading on EOL */
if( ch < 0 )
break;
}
}
/* ignore all character to the end of line */
while( ch >= 0 )
ch = hb_delimNextChar( pArea );
if( ch == -2 &&
pArea->ulRecordOffset == ( HB_FOFFSET ) ( pArea->ulBufferStart +
pArea->ulBufferIndex ) )
{
pArea->fEof = TRUE;
pArea->fPositioned = FALSE;
}
else
{
pArea->fEof = FALSE;
pArea->fPositioned = TRUE;
}
return HB_SUCCESS;
}
/*
* Obtain the current value of a field.
*/
static HB_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_cdppage() )
{
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_cdppage(), pField->uiLen );
hb_itemPutCPtr( 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, "" );
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 HB_FAILURE;
}
}
return HB_SUCCESS;
}
/*
* Obtain the current value of a field.
*/
static HB_ERRCODE hb_sdfGetValue( SDFAREAP pArea, HB_USHORT uiIndex, PHB_ITEM pItem )
{
LPFIELD pField;
HB_TRACE( HB_TR_DEBUG, ( "hb_sdfGetValue(%p, %hu, %p)", pArea, uiIndex, pItem ) );
if( --uiIndex >= pArea->area.uiFieldCount )
return HB_FAILURE;
pField = pArea->area.lpFields + uiIndex;
switch( pField->uiType )
{
case HB_FT_STRING:
if( ( pField->uiFlags & HB_FF_BINARY ) == 0 )
{
HB_SIZE nLen = pField->uiLen;
char * pszVal = hb_cdpnDup( ( const char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
&nLen, pArea->area.cdPage, hb_vmCDP() );
hb_itemPutCLPtr( pItem, pszVal, nLen );
}
else
{
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, HB_TRUE );
break;
default:
hb_itemPutL( pItem, HB_FALSE );
break;
}
break;
case HB_FT_DATE:
hb_itemPutDS( pItem, ( char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ] );
break;
case HB_FT_TIMESTAMP:
{
long lJulian, lMilliSec;
HB_BYTE * pFieldPtr = pArea->pRecord + pArea->pFieldOffset[ uiIndex ], bChar;
bChar = pFieldPtr[ pField->uiLen ];
pFieldPtr[ pField->uiLen ] = 0;
hb_timeStampStrGetDT( ( const char * ) pFieldPtr, &lJulian, &lMilliSec );
pFieldPtr[ pField->uiLen ] = bChar;
hb_itemPutTDT( pItem, lJulian, lMilliSec );
break;
}
case HB_FT_LONG:
{
HB_MAXINT lVal;
double dVal;
HB_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( &pArea->area, pError );
hb_itemRelease( pError );
return HB_FAILURE;
}
}
return HB_SUCCESS;
}
