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olecore.c
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olecore.c
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/*
* OLE library
*
* Copyright 2000, 2003 Jose F. Gimenez (JFG) <jfgimenez@wanadoo.es>
* Copyright 2008, 2009 Mindaugas Kavaliauskas <dbtopas at dbtopas.lt>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file LICENSE.txt. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "hbwinole.h"
#include "hbapicdp.h"
#include "hbapilng.h"
#include "hbapistr.h"
#include "hbinit.h"
/* enable workaround for wrong OLE variant structure definition */
#if ( defined( __POCC__ ) && defined( HB_OS_WIN_CE ) ) || \
defined( __DMC__ ) || \
( defined( _MSC_VER ) && ( _MSC_VER <= 1500 ) )
#define HB_OLE_NO_LL
#endif
#if ( defined( __POCC__ ) && defined( HB_OS_WIN_CE ) ) || \
( defined( __WATCOMC__ ) && ( __WATCOMC__ < 1280 ) ) || \
defined( __MINGW32__ ) || \
defined( __DMC__ ) || \
( defined( _MSC_VER ) && ( _MSC_VER <= 1500 ) )
#define HB_OLE_NO_LLREF
#endif
#if ! defined( HB_OLE_NO_SAFEARRAYGETVARTYPE ) && \
( defined( __DMC__ ) || \
defined( __MINGW32CE__ ) || \
( defined( __WATCOMC__ ) && ( __WATCOMC__ < 1270 ) ) )
#define HB_OLE_NO_SAFEARRAYGETVARTYPE
#endif
/* base date value in OLE (1899-12-30) as Julian day */
#define HB_OLE_DATE_BASE 0x0024D9AB
static PHB_DYNS s_pDyns_hb_oleauto;
static PHB_DYNS s_pDyns_hObjAccess;
static PHB_DYNS s_pDyns_hObjAssign;
typedef struct
{
IDispatch * pDisp;
PHB_ITEM * pCallBack;
HB_OLE_DESTRUCTOR_FUNC pDestructorFunc;
void * cargo;
} HB_OLE;
typedef struct
{
HRESULT lOleError;
HB_BOOL fNullDate;
HB_BOOL fNil2Null;
int iInit;
} HB_OLEDATA, * PHB_OLEDATA;
static void hb_oleDataInit( void * cargo )
{
PHB_OLEDATA pOleData = ( PHB_OLEDATA ) cargo;
/* default settings: */
pOleData->fNullDate = HB_FALSE;
pOleData->fNil2Null = HB_FALSE;
#if defined( HB_OS_WIN_CE )
if( CoInitializeEx( NULL, COINIT_APARTMENTTHREADED ) == S_OK )
#else
if( OleInitialize( NULL ) == S_OK )
#endif
pOleData->iInit = 1;
}
static void hb_oleDataRelease( void * cargo )
{
PHB_OLEDATA pOleData = ( PHB_OLEDATA ) cargo;
if( pOleData->iInit )
{
#if defined( HB_OS_WIN_CE )
CoUninitialize();
#else
OleUninitialize();
#endif
}
}
static HB_TSD_NEW( s_oleData, sizeof( HB_OLEDATA ), hb_oleDataInit, hb_oleDataRelease );
#define hb_getOleData() ( ( PHB_OLEDATA ) hb_stackGetTSD( &s_oleData ) )
HB_FUNC_EXTERN( WIN_OLEAUTO );
HB_BOOL hb_oleInit( void )
{
return hb_getOleData()->iInit != 0;
}
void hb_oleSetError( HRESULT lOleError )
{
hb_getOleData()->lOleError = lOleError;
}
HRESULT hb_oleGetError( void )
{
return hb_getOleData()->lOleError;
}
static void hb_oleSetNullDateFlag( HB_BOOL fNullDate )
{
hb_getOleData()->fNullDate = fNullDate;
}
static HB_BOOL hb_oleGetNullDateFlag( void )
{
return hb_getOleData()->fNullDate;
}
static void hb_oleSetNil2NullFlag( HB_BOOL fNil2Null )
{
hb_getOleData()->fNil2Null = fNil2Null;
}
static HB_BOOL hb_oleGetNil2NullFlag( void )
{
return hb_getOleData()->fNil2Null;
}
static void hb_olecore_init( void * cargo )
{
HB_SYMBOL_UNUSED( cargo );
s_pDyns_hb_oleauto = hb_dynsymGetCase( "WIN_OLEAUTO" );
s_pDyns_hObjAccess = hb_dynsymGetCase( "__HOBJ" );
s_pDyns_hObjAssign = hb_dynsymGetCase( "___HOBJ" );
if( s_pDyns_hObjAccess == s_pDyns_hObjAssign )
{
/* Never executed. Just force linkage */
HB_FUNC_EXEC( WIN_OLEAUTO );
}
}
static HB_GARBAGE_FUNC( hb_ole_destructor )
{
HB_OLE * pOle = ( HB_OLE * ) Cargo;
IDispatch * pDisp = pOle->pDisp;
if( pDisp )
{
pOle->pDisp = NULL;
if( pOle->pCallBack && *pOle->pCallBack )
{
PHB_ITEM pCallBack = *pOle->pCallBack;
*pOle->pCallBack = NULL;
pOle->pCallBack = NULL;
hb_itemRelease( pCallBack );
}
if( pOle->pDestructorFunc )
{
pOle->pDestructorFunc( pOle->cargo );
pOle->pDestructorFunc = NULL;
}
HB_VTBL( pDisp )->Release( HB_THIS( pDisp ) );
}
}
static HB_GARBAGE_FUNC( hb_ole_mark )
{
HB_OLE * pOle = ( HB_OLE * ) Cargo;
if( pOle->pCallBack && *pOle->pCallBack )
hb_gcMark( *pOle->pCallBack );
}
static const HB_GC_FUNCS s_gcOleFuncs =
{
hb_ole_destructor,
hb_ole_mark
};
static HB_GARBAGE_FUNC( hb_oleenum_destructor )
{
IEnumVARIANT** ppEnum = ( IEnumVARIANT** ) Cargo;
IEnumVARIANT* pEnum = *ppEnum;
if( pEnum )
{
*ppEnum = NULL;
HB_VTBL( pEnum )->Release( HB_THIS( pEnum ) );
}
}
static const HB_GC_FUNCS s_gcOleenumFuncs =
{
hb_oleenum_destructor,
hb_gcDummyMark
};
static HB_GARBAGE_FUNC( hb_olevariant_destructor )
{
VARIANT * pVariant = ( VARIANT * ) Cargo;
VariantClear( pVariant );
}
static const HB_GC_FUNCS s_gcVariantFuncs =
{
hb_olevariant_destructor,
hb_gcDummyMark
};
static void hb_errRT_OLE( HB_ERRCODE errGenCode, HB_ERRCODE errSubCode, HB_ERRCODE errOsCode, const char * szDescription, const char * szOperation, const char * szFileName )
{
PHB_ITEM pError;
pError = hb_errRT_New( ES_ERROR, "WINOLE", errGenCode, errSubCode, szDescription, szOperation, errOsCode, EF_NONE );
if( hb_pcount() != 0 )
{
/* HB_ERR_ARGS_BASEPARAMS */
PHB_ITEM pArray = hb_arrayBaseParams();
hb_errPutArgsArray( pError, pArray );
hb_itemRelease( pArray );
}
if( szFileName )
hb_errPutFileName( pError, szFileName );
hb_errLaunch( pError );
hb_errRelease( pError );
}
static void hb_oleExcepDescription( EXCEPINFO * pExcep, char ** pszDescription, char ** pszSource )
{
if( pExcep->pfnDeferredFillIn )
( *pExcep->pfnDeferredFillIn )( pExcep );
if( pExcep->bstrSource )
{
int iLen, iStrLen;
iStrLen = ( int ) SysStringLen( pExcep->bstrSource );
iLen = WideCharToMultiByte( CP_ACP, 0, pExcep->bstrSource, iStrLen, NULL, 0, NULL, NULL );
* pszSource = ( char * ) hb_xgrab( ( iLen + 1 ) * sizeof( char ) );
WideCharToMultiByte( CP_ACP, 0, pExcep->bstrSource, iStrLen, * pszSource, iLen + 1, NULL, NULL );
( * pszSource )[ iLen ] = '\0';
SysFreeString( pExcep->bstrSource );
}
if( pExcep->bstrHelpFile )
SysFreeString( pExcep->bstrHelpFile );
if( pExcep->bstrDescription )
{
int iLen, iStrLen;
iStrLen = ( int ) SysStringLen( pExcep->bstrDescription );
iLen = WideCharToMultiByte( CP_ACP, 0, pExcep->bstrDescription, iStrLen, NULL, 0, NULL, NULL );
* pszDescription = ( char * ) hb_xgrab( ( iLen + 14 + 1 ) * sizeof( char ) );
WideCharToMultiByte( CP_ACP, 0, pExcep->bstrDescription, iStrLen, * pszDescription, iLen + 1, NULL, NULL );
( * pszDescription )[ iLen ] = '\0';
SysFreeString( pExcep->bstrDescription );
}
else
{
*pszDescription = ( char * ) hb_xgrab( ( 14 + 1 ) * sizeof( char ) );
( *pszDescription )[ 0 ] = '\0';
}
if( pExcep->wCode )
hb_snprintf( ( *pszDescription ) + strlen( *pszDescription ), 14, " (%d)", pExcep->wCode );
else
hb_snprintf( ( *pszDescription ) + strlen( *pszDescription ), 14, " (0x%08lX)", pExcep->scode );
}
IDispatch * hb_oleParam( int iParam )
{
HB_OLE * pOle = ( HB_OLE * ) hb_parptrGC( &s_gcOleFuncs, iParam );
if( pOle && pOle->pDisp )
return pOle->pDisp;
hb_errRT_OLE( EG_ARG, 1001, 0, NULL, HB_ERR_FUNCNAME, NULL );
return NULL;
}
IDispatch * hb_oleItemGet( PHB_ITEM pItem )
{
HB_OLE * pOle = ( HB_OLE * ) hb_itemGetPtrGC( pItem, &s_gcOleFuncs );
return pOle ? pOle->pDisp : NULL;
}
PHB_ITEM hb_oleItemPut( PHB_ITEM pItem, IDispatch * pDisp )
{
HB_OLE * pOle = ( HB_OLE * ) hb_gcAllocate( sizeof( HB_OLE ), &s_gcOleFuncs );
pOle->pDisp = pDisp;
pOle->pCallBack = NULL;
pOle->pDestructorFunc = NULL;
pOle->cargo = NULL;
return hb_itemPutPtrGC( pItem, pOle );
}
PHB_ITEM hb_oleItemGetCallBack( PHB_ITEM pItem )
{
HB_OLE * pOle = ( HB_OLE * ) hb_itemGetPtrGC( pItem, &s_gcOleFuncs );
return pOle && pOle->pCallBack ? *pOle->pCallBack : NULL;
}
void hb_oleItemSetCallBack( PHB_ITEM pItem, PHB_ITEM * pCallBack )
{
HB_OLE * pOle = ( HB_OLE * ) hb_itemGetPtrGC( pItem, &s_gcOleFuncs );
if( pOle )
{
if( pOle->pCallBack && *pOle->pCallBack )
{
PHB_ITEM pCallBackPrev = *pOle->pCallBack;
*pOle->pCallBack = NULL;
pOle->pCallBack = NULL;
hb_itemRelease( pCallBackPrev );
}
if( pCallBack )
{
pOle->pCallBack = pCallBack;
hb_gcUnlock( *pCallBack );
}
}
}
void hb_oleItemSetDestructor( PHB_ITEM pItem, HB_OLE_DESTRUCTOR_FUNC pFunc, void * cargo )
{
HB_OLE * pOle = ( HB_OLE * ) hb_itemGetPtrGC( pItem, &s_gcOleFuncs );
if( pOle )
{
pOle->pDestructorFunc = pFunc;
pOle->cargo = cargo;
}
}
static IEnumVARIANT * hb_oleenumParam( int iParam )
{
IEnumVARIANT ** ppEnum = ( IEnumVARIANT ** ) hb_parptrGC( &s_gcOleenumFuncs, iParam );
if( ppEnum && *ppEnum )
return *ppEnum;
hb_errRT_OLE( EG_ARG, 1002, 0, NULL, HB_ERR_FUNCNAME, NULL );
return NULL;
}
static VARIANT * hb_oleVariantParam( int iParam )
{
VARIANT * pVariant = ( VARIANT * ) hb_parptrGC( &s_gcVariantFuncs, iParam );
if( ! pVariant )
hb_errRT_OLE( EG_ARG, 1017, 0, NULL, HB_ERR_FUNCNAME, NULL );
return pVariant;
}
VARIANT * hb_oleItemGetVariant( PHB_ITEM pItem )
{
return ( VARIANT * ) hb_itemGetPtrGC( pItem, &s_gcVariantFuncs );
}
PHB_ITEM hb_oleItemPutVariant( PHB_ITEM pItem, VARIANT * pVariant, HB_BOOL fMove )
{
VARIANT * pDestVariant = ( VARIANT * ) hb_gcAllocate( sizeof( VARIANT ), &s_gcVariantFuncs );
if( fMove )
{
*pDestVariant = *pVariant;
VariantInit( pVariant );
}
else
{
VariantInit( pDestVariant );
VariantCopy( pDestVariant, pVariant );
}
return hb_itemPutPtrGC( pItem, pDestVariant );
}
/* Unicode string management */
static wchar_t * AnsiToWide( const char * szString )
{
int iLen;
wchar_t * szWide;
iLen = MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, szString, -1, NULL, 0 );
szWide = ( wchar_t* ) hb_xgrab( iLen * sizeof( wchar_t ) );
MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, szString, -1, szWide, iLen );
return szWide;
}
static void AnsiToWideBuffer( const char * szString, wchar_t * szWide, int iLen )
{
MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, szString, -1, szWide, iLen );
szWide[ iLen - 1 ] = L'\0';
}
static BSTR hb_oleItemToString( PHB_ITEM pItem )
{
UINT uiStrLen = ( UINT ) hb_itemCopyStrU16( pItem, HB_CDP_ENDIAN_NATIVE,
NULL, UINT_MAX );
BSTR strVal = SysAllocStringLen( NULL, uiStrLen );
hb_itemCopyStrU16( pItem, HB_CDP_ENDIAN_NATIVE, strVal, uiStrLen + 1 );
return strVal;
}
static void hb_oleStringToItem( BSTR strVal, PHB_ITEM pItem )
{
hb_itemPutStrLenU16( pItem, HB_CDP_ENDIAN_NATIVE, strVal,
SysStringLen( strVal ) );
}
static void hb_oleVariantRef( VARIANT * pVariant, VARIANT * pVarRef )
{
if( V_VT( pVariant ) & VT_BYREF )
{
VariantCopy( pVarRef, pVariant );
return;
}
V_VT( pVarRef ) = V_VT( pVariant ) | VT_BYREF;
switch( V_VT( pVariant ) )
{
case VT_I1:
V_I1REF( pVarRef ) = &V_I1( pVariant );
break;
case VT_UI1:
V_UI1REF( pVarRef ) = &V_UI1( pVariant );
break;
case VT_I2:
V_I2REF( pVarRef ) = &V_I2( pVariant );
break;
case VT_UI2:
V_UI2REF( pVarRef ) = &V_UI2( pVariant );
break;
case VT_I4:
V_I4REF( pVarRef ) = &V_I4( pVariant );
break;
case VT_UI4:
V_UI4REF( pVarRef ) = &V_UI4( pVariant );
break;
case VT_I8:
#if defined( HB_OLE_NO_LLREF ) || defined( HB_OLE_NO_LL )
/* workaround for wrong OLE variant structure definition */
V_R8REF( pVarRef ) = &V_R8( pVariant );
#else
V_I8REF( pVarRef ) = &V_I8( pVariant );
#endif
break;
case VT_UI8:
#if defined( HB_OLE_NO_LLREF ) || defined( HB_OLE_NO_LL )
/* workaround for wrong OLE variant structure definition */
V_R8REF( pVarRef ) = &V_R8( pVariant );
#else
V_I8REF( pVarRef ) = &V_I8( pVariant );
#endif
break;
case VT_INT:
V_INTREF( pVarRef ) = &V_INT( pVariant );
break;
case VT_UINT:
V_UINTREF( pVarRef ) = &V_UINT( pVariant );
break;
case VT_ERROR:
V_ERRORREF( pVarRef ) = &V_ERROR( pVariant );
break;
case VT_BOOL:
V_BOOLREF( pVarRef ) = &V_BOOL( pVariant );
break;
case VT_R4:
V_R4REF( pVarRef ) = &V_R4( pVariant );
break;
case VT_R8:
V_R8REF( pVarRef ) = &V_R8( pVariant );
break;
case VT_CY:
V_CYREF( pVarRef ) = &V_CY( pVariant );
break;
case VT_DATE:
V_R8REF( pVarRef ) = &V_R8( pVariant );
break;
case VT_BSTR:
V_BSTRREF( pVarRef ) = &V_BSTR( pVariant );
break;
default:
if( V_VT( pVariant ) & VT_ARRAY )
V_ARRAYREF( pVarRef ) = &V_ARRAY( pVariant );
else
{
V_VT( pVarRef ) = VT_VARIANT | VT_BYREF;
V_BYREF( pVarRef ) = pVariant;
}
break;
}
}
static HB_BOOL hb_oleSafeArrayFill( SAFEARRAY * pSafeArray, VARTYPE vt, PHB_ITEM pItem,
int iDims, int iDim, long * plSize, long * plIndex )
{
const char * pStr;
void * pData;
UINT uiPos, cElements;
if( pItem == NULL || HB_IS_NIL( pItem ) )
return HB_TRUE;
if( HB_IS_STRING( pItem ) )
{
pStr = hb_itemGetCPtr( pItem );
uiPos = ( UINT ) hb_itemGetCLen( pItem );
}
else if( HB_IS_ARRAY( pItem ) )
{
pStr = NULL;
uiPos = ( UINT ) hb_arrayLen( pItem );
}
else
return HB_FALSE;
cElements = ( UINT ) plSize[ iDim - 1 ];
if( uiPos < cElements )
cElements = uiPos;
if( iDim < iDims )
{
if( pStr )
return HB_FALSE;
for( uiPos = 1; uiPos <= cElements; ++uiPos )
{
plIndex[ iDim - 1 ] = ( long ) ( uiPos - 1 );
if( ! hb_oleSafeArrayFill( pSafeArray, vt,
hb_arrayGetItemPtr( pItem, uiPos ),
iDims, iDim + 1, plSize, plIndex ) )
return HB_FALSE;
}
return HB_TRUE;
}
if( pStr && ( vt == VT_I1 || vt == VT_UI1 ) &&
SafeArrayGetDim( pSafeArray ) == 1 &&
SafeArrayAccessData( pSafeArray, &pData ) == S_OK )
{
memcpy( pData, pStr, cElements );
SafeArrayUnaccessData( pSafeArray );
return HB_TRUE;
}
for( uiPos = 1; uiPos <= cElements; ++uiPos )
{
VARIANT v;
void * ptr = NULL;
switch( vt )
{
case VT_I1:
V_I1( &v ) = pStr ? ( HB_I8 ) ( signed char ) pStr[ uiPos - 1 ] :
( HB_I8 ) hb_arrayGetNI( pItem, uiPos );
ptr = &V_I1( &v );
break;
case VT_UI1:
V_UI1( &v ) = pStr ? ( HB_U8 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_U8 ) hb_arrayGetNI( pItem, uiPos );
ptr = &V_UI1( &v );
break;
case VT_I2:
V_I2( &v ) = pStr ? ( HB_I16 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_I16 ) hb_arrayGetNI( pItem, uiPos );
ptr = &V_I2( &v );
break;
case VT_UI2:
V_UI2( &v ) = pStr ? ( HB_U16 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_U16 ) hb_arrayGetNI( pItem, uiPos );
ptr = &V_UI2( &v );
break;
case VT_I4:
V_I4( &v ) = pStr ? ( HB_I32 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_I32 ) hb_arrayGetNL( pItem, uiPos );
ptr = &V_I4( &v );
break;
case VT_UI4:
V_UI4( &v ) = pStr ? ( HB_U32 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_U32 ) hb_arrayGetNL( pItem, uiPos );
ptr = &V_UI4( &v );
break;
#if ! defined( HB_LONG_LONG_OFF )
case VT_I8:
# if defined( HB_OLE_NO_LL )
/* workaround for wrong OLE variant structure definition */
ptr = &V_I4( &v );
*( ( HB_LONGLONG * ) ptr ) =
pStr ? ( HB_I64 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_I64 ) hb_arrayGetNInt( pItem, uiPos );
# else
V_I8( &v ) = pStr ? ( HB_I64 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_I64 ) hb_arrayGetNInt( pItem, uiPos );
ptr = &V_I8( &v );
# endif
break;
case VT_UI8:
# if defined( HB_OLE_NO_LL )
/* workaround for wrong OLE variant structure definition */
ptr = &V_UI4( &v );
*( ( HB_ULONGLONG * ) ptr ) =
pStr ? ( HB_U64 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_U64 ) hb_arrayGetNInt( pItem, uiPos );
# else
V_UI8( &v ) = pStr ? ( HB_U64 ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_U64 ) hb_arrayGetNInt( pItem, uiPos );
ptr = &V_UI8( &v );
# endif
break;
#endif
case VT_INT:
V_INT( &v ) = pStr ? ( HB_INT ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_INT ) hb_arrayGetNI( pItem, uiPos );
ptr = &V_INT( &v );
break;
case VT_UINT:
V_UINT( &v ) = pStr ? ( HB_UINT ) ( unsigned char ) pStr[ uiPos - 1 ] :
( HB_UINT ) hb_arrayGetNI( pItem, uiPos );
ptr = &V_UINT( &v );
break;
case VT_ERROR:
if( pStr == NULL )
{
V_ERROR( &v ) = ( SCODE ) hb_arrayGetNL( pItem, uiPos );
ptr = &V_ERROR( &v );
}
break;
case VT_BOOL:
if( pStr == NULL )
{
V_BOOL( &v ) = hb_arrayGetL( pItem, uiPos ) ? TRUE : FALSE;
ptr = &V_BOOL( &v );
}
break;
case VT_R4:
if( pStr == NULL )
{
V_R4( &v ) = ( float ) hb_arrayGetND( pItem, uiPos );
ptr = &V_R4( &v );
}
break;
case VT_R8:
if( pStr == NULL )
{
V_R8( &v ) = hb_arrayGetND( pItem, uiPos );
ptr = &V_R8( &v );
}
break;
case VT_CY:
if( pStr == NULL )
{
VarCyFromR8( hb_arrayGetND( pItem, uiPos ), &V_CY( &v ) );
ptr = &V_CY( &v );
}
break;
case VT_DATE:
if( pStr == NULL )
{
V_R8( &v ) = hb_arrayGetTD( pItem, uiPos ) - HB_OLE_DATE_BASE;
ptr = &V_R8( &v );
}
break;
case VT_BSTR:
if( pStr == NULL )
ptr = hb_oleItemToString( hb_arrayGetItemPtr( pItem, uiPos ) );
break;
case VT_VARIANT:
if( pStr == NULL )
{
VariantInit( &v );
hb_oleItemToVariant( &v, hb_arrayGetItemPtr( pItem, uiPos ) );
ptr = &v;
}
break;
}
if( ptr != NULL )
{
plIndex[ iDim - 1 ] = ( long ) ( uiPos - 1 );
SafeArrayPutElement( pSafeArray, plIndex, ptr );
if( vt == VT_VARIANT )
VariantClear( &v );
}
else
return HB_FALSE;
}
return HB_TRUE;
}
static SAFEARRAY * hb_oleSafeArrayFromItem( PHB_ITEM pItem, VARTYPE vt,
int iDims, long * plSize )
{
SAFEARRAYBOUND boundbuf[ 16 ], * sabound;
SAFEARRAY * pSafeArray;
long * plIndex;
if( iDims == 0 )
{
if( pItem )
{
if( HB_IS_STRING( pItem ) )
plSize[ 0 ] = ( UINT ) hb_itemGetCLen( pItem );
else if( HB_IS_ARRAY( pItem ) )
plSize[ 0 ] = ( UINT ) hb_arrayLen( pItem );
else if( ! HB_IS_NIL( pItem ) )
return NULL;
}
iDims = 1;
}
sabound = iDims > ( int ) HB_SIZEOFARRAY( boundbuf ) ? ( SAFEARRAYBOUND * )
hb_xgrab( sizeof( SAFEARRAYBOUND ) * iDims ) : boundbuf;
/* use the same buffer for dimensions and indexes */
plIndex = &sabound[ 0 ].lLbound;
if( iDims == 1 && plSize[ 0 ] > 0 )
pSafeArray = SafeArrayCreateVector( vt, 0, plSize[ 0 ] );
else
{
int iDim;
for( iDim = 0; iDim < iDims; ++iDim )
{
sabound[ iDim ].lLbound = 0;
sabound[ iDim ].cElements = plSize[ iDim ];
}
pSafeArray = SafeArrayCreate( vt, iDims, sabound );
}
if( pSafeArray && pItem && iDims && plSize[ 0 ] )
{
if( ! hb_oleSafeArrayFill( pSafeArray, vt, pItem,
iDims, 1, plSize, plIndex ) )
{
SafeArrayDestroy( pSafeArray );
pSafeArray = NULL;
}
}
if( sabound != boundbuf )
hb_xfree( sabound );
return pSafeArray;
}
static HB_BOOL hb_oleSafeArrayToString( PHB_ITEM pItem, SAFEARRAY * pSafeArray )
{
long lFrom, lTo;
VARTYPE vt = VT_UI1;
if( SafeArrayGetElemsize( pSafeArray ) == 1 &&
#if ! defined( HB_OLE_NO_SAFEARRAYGETVARTYPE )
SafeArrayGetVartype( pSafeArray, &vt ) == S_OK &&
#endif
( vt == VT_I1 || vt == VT_UI1 ) &&
SafeArrayGetLBound( pSafeArray, 1, &lFrom ) == S_OK &&
SafeArrayGetUBound( pSafeArray, 1, &lTo ) == S_OK &&
lFrom <= lTo + 1 ) /* accept empty arrays */
{
void * pData;
if( SafeArrayAccessData( pSafeArray, &pData ) == S_OK )
{
hb_itemPutCL( pItem, ( const char * ) pData, lTo - lFrom + 1 );
SafeArrayUnaccessData( pSafeArray );
return HB_TRUE;
}
}
return HB_FALSE;
}
IDispatch * hb_oleItemGetDispatch( PHB_ITEM pItem )
{
if( HB_IS_OBJECT( pItem ) )
{
if( hb_objHasMessage( pItem, s_pDyns_hObjAccess ) )
{
hb_vmPushDynSym( s_pDyns_hObjAccess );
hb_vmPush( pItem );
hb_vmSend( 0 );
return hb_oleParam( -1 );
}
}
return hb_oleItemGet( pItem );
}
static void hb_oleDispatchToVariant( VARIANT * pVariant, IDispatch * pDisp,
VARIANT * pVarRef )
{
/* pVariant will be freed using VariantClear().
We increment reference count to keep OLE object alive */
HB_VTBL( pDisp )->AddRef( HB_THIS( pDisp ) );
V_VT( pVariant ) = VT_DISPATCH;
V_DISPATCH( pVariant ) = pDisp;
if( pVarRef )
{
V_VT( pVarRef ) = VT_DISPATCH | VT_BYREF;
V_DISPATCHREF( pVarRef ) = &V_DISPATCH( pVariant );
}
}
/* Item <-> Variant conversion */
static void hb_oleItemToVariantRef( VARIANT * pVariant, PHB_ITEM pItem,
VARIANT * pVarRef, HB_OLEOBJ_FUNC pObjFunc )
{
VariantClear( pVariant ); /* VT_T( pVariant ) = VT_EMPTY; */
switch( hb_itemType( pItem ) )
{
case HB_IT_STRING:
case HB_IT_MEMO:
V_VT( pVariant ) = VT_BSTR;
V_BSTR( pVariant ) = hb_oleItemToString( pItem );
if( pVarRef )
{
V_VT( pVarRef ) = VT_BSTR | VT_BYREF;
V_BSTRREF( pVarRef ) = &V_BSTR( pVariant );
}
break;
case HB_IT_LOGICAL:
V_VT( pVariant ) = VT_BOOL;
V_BOOL( pVariant ) = hb_itemGetL( pItem ) ? VARIANT_TRUE : VARIANT_FALSE;
if( pVarRef )
{
V_VT( pVarRef ) = VT_BOOL | VT_BYREF;
V_BOOLREF( pVarRef ) = &V_BOOL( pVariant );
}
break;
case HB_IT_INTEGER:
V_VT( pVariant ) = VT_I4;
V_I4( pVariant ) = hb_itemGetNL( pItem );
if( pVarRef )
{
V_VT( pVarRef ) = VT_I4 | VT_BYREF;
V_I4REF( pVarRef ) = &V_I4( pVariant );
}
break;
case HB_IT_LONG:
#if HB_VMLONG_MAX == INT32_MAX || defined( HB_LONG_LONG_OFF )
V_VT( pVariant ) = VT_I4;
V_I4( pVariant ) = hb_itemGetNL( pItem );
if( pVarRef )
{
V_VT( pVarRef ) = VT_I4 | VT_BYREF;
V_I4REF( pVarRef ) = &V_I4( pVariant );
}
#else
V_VT( pVariant ) = VT_I8;
# if defined( HB_OLE_NO_LL )
/* workaround for wrong OLE variant structure definition */
* ( ( HB_LONGLONG * ) &V_I4( pVariant ) ) = hb_itemGetNInt( pItem );
# else
V_I8( pVariant ) = hb_itemGetNInt( pItem );
# endif
if( pVarRef )
{
V_VT( pVarRef ) = VT_I8 | VT_BYREF;
# if defined( HB_OLE_NO_LLREF ) || defined( HB_OLE_NO_LL )
/* workaround for wrong OLE variant structure definition */
V_R8REF( pVarRef ) = &V_R8( pVariant );
# else
V_I8REF( pVarRef ) = &V_I8( pVariant );
# endif
}
#endif
break;
case HB_IT_DOUBLE:
V_VT( pVariant ) = VT_R8;
V_R8( pVariant ) = hb_itemGetND( pItem );
if( pVarRef )
{
V_VT( pVarRef ) = VT_R8 | VT_BYREF;
V_R8REF( pVarRef ) = &V_R8( pVariant );
}
break;
case HB_IT_DATE:
{
long lDate = hb_itemGetDL( pItem );
if( lDate == 0 && hb_oleGetNullDateFlag() )
{
V_VT( pVariant ) = VT_NULL;
if( pVarRef )
{
V_VT( pVarRef ) = VT_VARIANT | VT_BYREF;
V_VARIANTREF( pVarRef ) = pVariant;
}
}
else
{
V_VT( pVariant ) = VT_DATE;
V_R8( pVariant ) = ( double ) ( lDate - HB_OLE_DATE_BASE );
if( pVarRef )
{
V_VT( pVarRef ) = VT_DATE | VT_BYREF;
V_R8REF( pVarRef ) = &V_R8( pVariant );
}
}
break;
}
case HB_IT_TIMESTAMP:
{
double dDate = hb_itemGetTD( pItem );
if( dDate == 0 && hb_oleGetNullDateFlag() )
{
V_VT( pVariant ) = VT_NULL;
if( pVarRef )
{
V_VT( pVarRef ) = VT_VARIANT | VT_BYREF;
V_VARIANTREF( pVarRef ) = pVariant;
}
}
else