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extend.c
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extend.c
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/*
* The Extend API
*
* Copyright 1999 Antonio Linares <alinares@fivetech.com>
* Copyright 1999-2009 Viktor Szakats (vszakats.net/harbour) (hb_stor(), hb_retn*len(), hb_retdl(), hb_parn*def())
* Copyright 2000 Jose Lalin <dezac@corevia.com> (hb_retd())
*
* 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 "hbvmopt.h"
#include "hbapi.h"
#include "hbapiitm.h"
#include "hbset.h"
#include "hbdate.h"
#include "hbstack.h"
/* NOTE: iParam = -1 can be used to access the return value. */
/* NOTE: iParam = 0 can be used to access the SELF object. */
PHB_ITEM hb_param( int iParam, long lMask )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_param(%d, %ld)", iParam, lMask ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( pItem->type & HB_IT_BYREF )
{
pItem = hb_itemUnRef( pItem );
if( ( HB_TYPE ) lMask == HB_IT_BYREF )
return pItem;
}
if( ( pItem->type & ( HB_TYPE ) lMask ) || ( HB_TYPE ) lMask == HB_IT_ANY )
return pItem;
}
return NULL;
}
PHB_ITEM hb_paramError( int iParam )
{
static HB_ITEM s_NIL;
PHB_ITEM pParam = hb_param( iParam, HB_IT_ANY );
if( pParam == NULL )
{
hb_itemClear( &s_NIL );
pParam = &s_NIL;
}
return pParam;
}
HB_ULONG hb_parinfo( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parinfo(%d)", iParam ) );
if( iParam == 0 )
return ( HB_ULONG ) hb_pcount();
else
{
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
HB_TYPE uiType = HB_ITEM_TYPE( pItem );
if( uiType & HB_IT_BYREF )
uiType |= HB_ITEM_TYPE( hb_itemUnRef( pItem ) );
return ( HB_ULONG ) uiType;
}
else
return 0;
}
}
HB_SIZE hb_parinfa( int iParamNum, HB_SIZE nArrayIndex )
{
PHB_ITEM pArray;
HB_TRACE( HB_TR_DEBUG, ( "hb_parinfa(%d, %" HB_PFS "u)", iParamNum, nArrayIndex ) );
pArray = hb_param( iParamNum, HB_IT_ARRAY );
if( pArray )
{
if( nArrayIndex == 0 )
return hb_arrayLen( pArray );
else
return ( HB_ISIZ ) hb_arrayGetType( pArray, nArrayIndex );
}
else
return 0;
}
HB_BOOL hb_extIsNil( int iParam )
{
HB_STACK_TLS_PRELOAD
PHB_ITEM pItem;
HB_TRACE( HB_TR_DEBUG, ( "hb_extIsNil(%d)", iParam ) );
if( iParam == -1 )
pItem = hb_stackReturnItem();
else if( iParam >= 0 && iParam <= hb_pcount() )
pItem = hb_stackItemFromBase( iParam );
else
return HB_TRUE;
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
return HB_IS_NIL( pItem );
}
/* function to be called from pcode DLLs to detect if the extend system
* is going to use an array item */
HB_BOOL hb_extIsArray( int iParam )
{
HB_STACK_TLS_PRELOAD
PHB_ITEM pItem;
if( iParam == -1 )
pItem = hb_stackReturnItem();
else if( iParam >= 0 && iParam <= hb_pcount() )
pItem = hb_stackItemFromBase( iParam );
else
return HB_FALSE;
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
return HB_IS_ARRAY( pItem ) && ! HB_ARRAY_OBJ( pItem );
}
/* function to be called from pcode DLLs to detect if the extend system
* is going to use an object item */
HB_BOOL hb_extIsObject( int iParam )
{
HB_STACK_TLS_PRELOAD
PHB_ITEM pItem;
if( iParam == -1 )
pItem = hb_stackReturnItem();
else if( iParam >= 0 && iParam <= hb_pcount() )
pItem = hb_stackItemFromBase( iParam );
else
return HB_FALSE;
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
return HB_IS_OBJECT( pItem );
}
/* NOTE: Caller should not modify the buffer returned by this function.
[vszakats] */
const char * hb_parc( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parc(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_STRING( pItem ) )
return pItem->item.asString.value;
}
return NULL;
}
const char * hb_parcx( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parcx(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_STRING( pItem ) )
return pItem->item.asString.value;
}
return "";
}
HB_SIZE hb_parclen( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parclen(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_STRING( pItem ) )
return pItem->item.asString.length;
}
return 0;
}
/* NOTE: Similar to _parclen() but returns the length including the
terminating zero byte, and it only works for parameters passed by
reference. [vszakats] */
HB_SIZE hb_parcsiz( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parcsiz(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
/* NOTE: hb_parcsiz() will only work for strings passed by reference.
CA-Cl*pper works like this. [vszakats] */
if( HB_IS_BYREF( pItem ) )
{
pItem = hb_itemUnRef( pItem );
if( HB_IS_STRING( pItem ) )
return pItem->item.asString.length + 1;
}
}
return 0;
}
/* NOTE: Using hb_stackDateBuffer() a temporary date buffer guaranties
good behavior when multithreading. */
const char * hb_pards( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_pards(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
return hb_dateDecStr( hb_stackDateBuffer(), pItem->item.asDateTime.julian );
}
return hb_dateDecStr( hb_stackDateBuffer(), 0 );
}
/* NOTE: szDate must be a 9 chars wide buffer. [vszakats] */
char * hb_pardsbuff( char * szDate, int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_pardsbuff(%p, %d)", ( void * ) szDate, iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
return hb_dateDecStr( szDate, pItem->item.asDateTime.julian );
}
return hb_dateDecStr( szDate, 0 );
}
/* retrieve a date as long integer - number of days from Julian's day */
long hb_pardl( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_pardl(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
return pItem->item.asDateTime.julian;
}
return hb_itemGetDL( NULL );
}
double hb_partd( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_partd(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
return hb_timeStampPackDT( pItem->item.asDateTime.julian,
pItem->item.asDateTime.time );
}
return 0;
}
HB_BOOL hb_partdt( long * plJulian, long * plMilliSec, int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_partdt(%p,%p,%d)", ( void * ) plJulian, ( void * ) plMilliSec, iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
{
*plJulian = pItem->item.asDateTime.julian;
*plMilliSec = pItem->item.asDateTime.time;
return HB_TRUE;
}
}
return HB_FALSE;
}
int hb_parl( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parl(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LOGICAL( pItem ) )
return pItem->item.asLogical.value ? 1 : 0;
}
return 0;
}
int hb_parldef( int iParam, int iDefValue )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parldef(%d,%d)", iParam, iDefValue ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LOGICAL( pItem ) )
return pItem->item.asLogical.value ? 1 : 0;
}
return iDefValue;
}
double hb_parnd( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parnd(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DOUBLE( pItem ) )
return pItem->item.asDouble.value;
else if( HB_IS_INTEGER( pItem ) )
return ( double ) pItem->item.asInteger.value;
else if( HB_IS_LONG( pItem ) )
return ( double ) pItem->item.asLong.value;
}
return 0;
}
int hb_parni( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parni(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_INTEGER( pItem ) )
return pItem->item.asInteger.value;
else if( HB_IS_LONG( pItem ) )
return ( int ) pItem->item.asLong.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_INT( pItem->item.asDouble.value );
}
return 0;
}
int hb_parnidef( int iParam, int iDefValue )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parni(%d, %d)", iParam, iDefValue ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_INTEGER( pItem ) )
return pItem->item.asInteger.value;
else if( HB_IS_LONG( pItem ) )
return ( int ) pItem->item.asLong.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_INT( pItem->item.asDouble.value );
}
return iDefValue;
}
long hb_parnl( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parnl(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LONG( pItem ) )
return ( long ) pItem->item.asLong.value;
else if( HB_IS_INTEGER( pItem ) )
return ( long ) pItem->item.asInteger.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_LONG( pItem->item.asDouble.value );
}
return 0;
}
long hb_parnldef( int iParam, long lDefValue )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parnldef(%d, %ld)", iParam, lDefValue ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LONG( pItem ) )
return ( long ) pItem->item.asLong.value;
else if( HB_IS_INTEGER( pItem ) )
return ( long ) pItem->item.asInteger.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_LONG( pItem->item.asDouble.value );
}
return lDefValue;
}
HB_ISIZ hb_parns( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parns(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LONG( pItem ) )
return ( HB_ISIZ ) pItem->item.asLong.value;
else if( HB_IS_INTEGER( pItem ) )
return ( HB_ISIZ ) pItem->item.asInteger.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_ISIZ( pItem->item.asDouble.value );
}
return 0;
}
HB_ISIZ hb_parnsdef( int iParam, HB_ISIZ nDefValue )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parnsdef(%d, %" HB_PFS "d)", iParam, nDefValue ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LONG( pItem ) )
return ( HB_ISIZ ) pItem->item.asLong.value;
else if( HB_IS_INTEGER( pItem ) )
return ( HB_ISIZ ) pItem->item.asInteger.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_ISIZ( pItem->item.asDouble.value );
}
return nDefValue;
}
#ifndef HB_LONG_LONG_OFF
HB_LONGLONG hb_parnll( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parnll(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LONG( pItem ) )
return ( HB_LONGLONG ) pItem->item.asLong.value;
else if( HB_IS_INTEGER( pItem ) )
return ( HB_LONGLONG ) pItem->item.asInteger.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_LONGLONG( pItem->item.asDouble.value );
}
return 0;
}
#endif
HB_MAXINT hb_parnint( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parnint(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LONG( pItem ) )
return ( HB_MAXINT ) pItem->item.asLong.value;
else if( HB_IS_INTEGER( pItem ) )
return ( HB_MAXINT ) pItem->item.asInteger.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_MAXINT( pItem->item.asDouble.value );
}
return 0;
}
HB_MAXINT hb_parnintdef( int iParam, HB_MAXINT nDefValue )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parnintdef(%d, %" PFHL "d)", iParam, nDefValue ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_LONG( pItem ) )
return ( HB_MAXINT ) pItem->item.asLong.value;
else if( HB_IS_INTEGER( pItem ) )
return ( HB_MAXINT ) pItem->item.asInteger.value;
else if( HB_IS_DOUBLE( pItem ) )
return HB_CAST_MAXINT( pItem->item.asDouble.value );
}
return nDefValue;
}
void * hb_parptr( int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parptr(%d)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_POINTER( pItem ) )
return pItem->item.asPointer.value;
}
return NULL;
}
void * hb_parptrGC( const HB_GC_FUNCS * pFuncs, int iParam )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parptrGC(%p,%d)", ( const void * ) pFuncs, iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_POINTER( pItem ) && pItem->item.asPointer.collect &&
hb_gcFuncs( pItem->item.asPointer.value ) == pFuncs )
return pItem->item.asPointer.value;
}
return NULL;
}
/* NOTE: Caller should not modify the buffer returned by this function.
[vszakats] */
const char * hb_parvc( int iParam, ... )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parvc(%d, ...)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_STRING( pItem ) )
return pItem->item.asString.value;
else if( HB_IS_ARRAY( pItem ) )
{
va_list va;
HB_SIZE nArrayIndex;
va_start( va, iParam );
nArrayIndex = va_arg( va, HB_SIZE );
va_end( va );
pItem = hb_arrayGetItemPtr( pItem, nArrayIndex );
return pItem && HB_IS_STRING( pItem ) ? hb_itemGetCPtr( pItem ) : NULL;
}
}
return NULL;
}
const char * hb_parvcx( int iParam, ... )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parvcx(%d, ...)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_STRING( pItem ) )
return pItem->item.asString.value;
else if( HB_IS_ARRAY( pItem ) )
{
va_list va;
HB_SIZE nArrayIndex;
va_start( va, iParam );
nArrayIndex = va_arg( va, HB_SIZE );
va_end( va );
return hb_arrayGetCPtr( pItem, nArrayIndex );
}
}
return "";
}
HB_SIZE hb_parvclen( int iParam, ... )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parvclen(%d, ...)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_STRING( pItem ) )
return pItem->item.asString.length;
else if( HB_IS_ARRAY( pItem ) )
{
va_list va;
HB_SIZE nArrayIndex;
va_start( va, iParam );
nArrayIndex = va_arg( va, HB_SIZE );
va_end( va );
return hb_arrayGetCLen( pItem, nArrayIndex );
}
}
return 0;
}
/* NOTE: Similar to _parclen() but returns the length including the
terminating zero byte, and it only works for parameters passed by
reference. [vszakats] */
HB_SIZE hb_parvcsiz( int iParam, ... )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parvcsiz(%d, ...)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
/* NOTE: hb_parvcsiz() will only work for strings passed by reference.
CA-Cl*pper works like this. [vszakats] */
if( HB_IS_BYREF( pItem ) )
{
pItem = hb_itemUnRef( pItem );
if( HB_IS_STRING( pItem ) )
return pItem->item.asString.length + 1;
else if( HB_IS_ARRAY( pItem ) )
{
va_list va;
HB_SIZE nArrayIndex;
va_start( va, iParam );
nArrayIndex = va_arg( va, HB_SIZE );
va_end( va );
return hb_arrayGetCLen( pItem, nArrayIndex ) + 1;
}
}
}
return 0;
}
/* NOTE: Using hb_stackDateBuffer() a temporary date buffer guaranties
good behavior when multithreading. */
const char * hb_parvds( int iParam, ... )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parvds(%d, ...)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
return hb_dateDecStr( hb_stackDateBuffer(), pItem->item.asDateTime.julian );
else if( HB_IS_ARRAY( pItem ) )
{
va_list va;
HB_SIZE nArrayIndex;
va_start( va, iParam );
nArrayIndex = va_arg( va, HB_SIZE );
va_end( va );
return hb_arrayGetDS( pItem, nArrayIndex, hb_stackDateBuffer() );
}
}
return hb_dateDecStr( hb_stackDateBuffer(), 0 );
}
/* NOTE: szDate must be a 9 chars wide buffer. [vszakats] */
char * hb_parvdsbuff( char * szDate, int iParam, ... )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parvdsbuff(%p, %d, ...)", ( void * ) szDate, iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
return hb_dateDecStr( szDate, pItem->item.asDateTime.julian );
else if( HB_IS_ARRAY( pItem ) )
{
va_list va;
HB_SIZE nArrayIndex;
va_start( va, iParam );
nArrayIndex = va_arg( va, HB_SIZE );
va_end( va );
return hb_arrayGetDS( pItem, nArrayIndex, szDate );
}
}
return hb_dateDecStr( szDate, 0 );
}
/* retrieve a date as long integer - number of days from Julian's day */
long hb_parvdl( int iParam, ... )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parvdl(%d, ...)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
return pItem->item.asDateTime.julian;
else if( HB_IS_ARRAY( pItem ) )
{
va_list va;
HB_SIZE nArrayIndex;
va_start( va, iParam );
nArrayIndex = va_arg( va, HB_SIZE );
va_end( va );
return hb_arrayGetDL( pItem, nArrayIndex );
}
}
return hb_itemGetDL( NULL );
}
double hb_parvtd( int iParam, ... )
{
HB_STACK_TLS_PRELOAD
HB_TRACE( HB_TR_DEBUG, ( "hb_parvtd(%d, ...)", iParam ) );
if( iParam >= -1 && iParam <= hb_pcount() )
{
PHB_ITEM pItem = ( iParam == -1 ) ? hb_stackReturnItem() : hb_stackItemFromBase( iParam );
if( HB_IS_BYREF( pItem ) )
pItem = hb_itemUnRef( pItem );
if( HB_IS_DATETIME( pItem ) )
return hb_timeStampPackDT( pItem->item.asDateTime.julian,
pItem->item.asDateTime.time );
else if( HB_IS_ARRAY( pItem ) )
{
va_list va;
HB_SIZE nArrayIndex;
va_start( va, iParam );
nArrayIndex = va_arg( va, HB_SIZE );
va_end( va );
return hb_arrayGetTD( pItem, nArrayIndex );
}
}
return 0;
}