671 lines
16 KiB
C
671 lines
16 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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The Extend API
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Copyright 1999 Antonio Linares <alinares@fivetech.com>
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www - http://www.harbour-project.org
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version, with one exception:
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The exception is that if you link the Harbour Runtime Library (HRL)
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and/or the Harbour Virtual Machine (HVM) with other files to produce
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an executable, this does not by itself cause the resulting executable
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to be covered by the GNU General Public License. Your use of that
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executable is in no way restricted on account of linking the HRL
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and/or HVM code into it.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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their web site at http://www.gnu.org/).
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*/
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/* Harbour Project source code
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http://www.Harbour-Project.org/
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The following functions are Copyright 1999 Victor Szel <info@szelvesz.hu>:
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hb_retnlen()
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hb_retnilen()
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hb_retnllen()
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hb_retndlen()
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See doc/hdr_tpl.txt, Version 1.2 or later, for licensing terms.
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*/
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#include "extend.h"
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#include "itemapi.h"
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#include "set.h"
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#include "dates.h"
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/* NOTE: iParam = -1 can be used to access the return value. */
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/* NOTE: iParam = 0 can be used to access the SELF object. */
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PHB_ITEM hb_param( int iParam, int iMask )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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WORD wType;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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if( pItem->type & IT_BYREF )
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pItem = hb_itemUnRef( pItem );
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wType = pItem->type;
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if( ( wType & ( WORD ) iMask ) || ( wType == IT_NIL && ( WORD ) iMask == IT_ANY ) )
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return pItem;
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}
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return NULL;
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}
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/* NOTE: Caller should not modify the buffer returned by this function */
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char * hb_parc( int iParam, ... )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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pItem = hb_itemUnRef( pItem );
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if( IS_STRING( pItem ) )
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return pItem->item.asString.value;
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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ULONG ulArrayIndex;
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va_start( va, iParam );
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ulArrayIndex = va_arg( va, ULONG );
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va_end( va );
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return hb_arrayGetCPtr( pItem, ulArrayIndex );
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}
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}
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return "";
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}
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ULONG hb_parclen( int iParam, ... )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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pItem = hb_itemUnRef( pItem );
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if( IS_STRING( pItem ) )
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return pItem->item.asString.length;
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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ULONG ulArrayIndex;
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va_start( va, iParam );
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ulArrayIndex = va_arg( va, ULONG );
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va_end( va );
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return hb_arrayGetCLen( pItem, ulArrayIndex );
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}
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}
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return 0;
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}
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/* NOTE: Similar to _parclen() but returns the length including the
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terminating zero byte, and it only works for parameters passed by
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reference. */
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ULONG hb_parcsiz( int iParam, ... )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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/* NOTE: hb_parcsiz() will only work for strings passed by reference.
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CA-Cl*pper works like this. */
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if( IS_BYREF( pItem ) )
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{
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pItem = hb_itemUnRef( pItem );
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if( IS_STRING( pItem ) )
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return pItem->item.asString.length + 1;
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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ULONG ulArrayIndex;
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va_start( va, iParam );
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ulArrayIndex = va_arg( va, ULONG );
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va_end( va );
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return hb_arrayGetCLen( pItem, ulArrayIndex ) + 1;
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}
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}
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}
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return 0;
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}
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/* NOTE: Using stack.szDate as a temporary date buffer guaranties
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good behavior when multithreading. */
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char * hb_pards( int iParam, ... )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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pItem = hb_itemUnRef( pItem );
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if( IS_DATE( pItem ) )
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return hb_dateDecStr( stack.szDate, pItem->item.asDate.value );
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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ULONG ulArrayIndex;
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va_start( va, iParam );
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ulArrayIndex = va_arg( va, ULONG );
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va_end( va );
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return hb_arrayGetDS( pItem, ulArrayIndex, stack.szDate );
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}
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}
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return hb_dateDecStr( stack.szDate, 0 );
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}
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int hb_parl( int iParam, ... )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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pItem = hb_itemUnRef( pItem );
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if( IS_LOGICAL( pItem ) )
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return pItem->item.asLogical.value ? 1 : 0;
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else if( IS_INTEGER( pItem ) )
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return pItem->item.asInteger.value != 0 ? 1 : 0;
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else if( IS_LONG( pItem ) )
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return pItem->item.asLong.value != 0 ? 1 : 0;
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else if( IS_DOUBLE( pItem ) )
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return pItem->item.asDouble.value != 0.0 ? 1 : 0;
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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ULONG ulArrayIndex;
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va_start( va, iParam );
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ulArrayIndex = va_arg( va, ULONG );
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va_end( va );
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return hb_arrayGetL( pItem, ulArrayIndex ) ? 1 : 0;
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}
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}
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return 0;
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}
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double hb_parnd( int iParam, ... )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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pItem = hb_itemUnRef( pItem );
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if( IS_DOUBLE( pItem ) )
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return pItem->item.asDouble.value;
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else if( IS_INTEGER( pItem ) )
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return ( double ) pItem->item.asInteger.value;
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else if( IS_LONG( pItem ) )
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return ( double ) pItem->item.asLong.value;
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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ULONG ulArrayIndex;
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va_start( va, iParam );
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ulArrayIndex = va_arg( va, ULONG );
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va_end( va );
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return hb_arrayGetND( pItem, ulArrayIndex );
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}
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}
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return 0;
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}
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int hb_parni( int iParam, ... )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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pItem = hb_itemUnRef( pItem );
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if( IS_INTEGER( pItem ) )
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return pItem->item.asInteger.value;
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else if( IS_LONG( pItem ) )
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return ( int ) pItem->item.asLong.value;
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else if( IS_DOUBLE( pItem ) )
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return ( int ) pItem->item.asDouble.value;
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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ULONG ulArrayIndex;
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va_start( va, iParam );
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ulArrayIndex = va_arg( va, ULONG );
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va_end( va );
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return ( int ) hb_arrayGetNL( pItem, ulArrayIndex );
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}
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}
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return 0;
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}
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long hb_parnl( int iParam, ... )
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{
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if( ( iParam >= 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = &stack.Return;
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else
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pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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pItem = hb_itemUnRef( pItem );
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if( IS_LONG( pItem ) )
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return pItem->item.asLong.value;
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else if( IS_INTEGER( pItem ) )
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return ( long ) pItem->item.asInteger.value;
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else if( IS_DOUBLE( pItem ) )
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return ( long ) pItem->item.asDouble.value;
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else if( IS_DATE( pItem ) )
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return pItem->item.asDate.value;
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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ULONG ulArrayIndex;
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va_start( va, iParam );
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ulArrayIndex = va_arg( va, ULONG );
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va_end( va );
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return hb_arrayGetNL( pItem, ulArrayIndex );
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}
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}
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return 0;
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}
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ULONG hb_parinfa( int iParamNum, ULONG uiArrayIndex )
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{
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PHB_ITEM pArray = hb_param( iParamNum, IT_ARRAY );
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if( pArray )
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{
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if( uiArrayIndex == 0 )
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return hb_arrayLen( pArray );
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else
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return ( long ) hb_arrayGetType( pArray, uiArrayIndex );
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}
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else
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return 0;
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}
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int hb_parinfo( int iParam )
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{
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if( iParam == 0 )
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return ( int ) stack.pBase->item.asSymbol.paramcnt;
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else
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{
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if( ( iParam > 0 && iParam <= hb_pcount() ) || ( iParam == -1 ) )
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{
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WORD wType;
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if( iParam == -1 )
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wType = stack.Return.type;
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else
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wType = ( stack.pBase + 1 + iParam )->type;
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if( wType & IT_BYREF )
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{
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PHB_ITEM pItem;
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if( iParam == -1 )
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pItem = hb_itemUnRef( &stack.Return );
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else
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pItem = hb_itemUnRef( stack.pBase + 1 + iParam );
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if( pItem )
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wType |= pItem->type;
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}
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return ( int ) wType;
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}
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else
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return 0;
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}
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}
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int hb_pcount( void )
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{
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return ( int ) stack.pBase->item.asSymbol.paramcnt;
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}
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void hb_ret( void )
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{
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hb_itemClear( &stack.Return );
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}
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void hb_reta( ULONG ulLen ) /* undocumented hb_reta() */
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{
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hb_arrayNew( &stack.Return, ulLen );
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}
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void hb_retc( char * szText )
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{
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hb_itemPutC( &stack.Return, szText );
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}
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void hb_retclen( char * szText, ULONG ulLen )
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{
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hb_itemPutCL( &stack.Return, szText, ulLen );
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}
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void hb_retds( char * szDate ) /* szDate must have yyyymmdd format */
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{
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hb_itemPutDS( &stack.Return, szDate );
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}
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void hb_retl( int iLogical )
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{
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hb_itemPutL( &stack.Return, iLogical ? TRUE : FALSE );
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}
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void hb_retnd( double dNumber )
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{
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hb_itemPutND( &stack.Return, dNumber );
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}
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void hb_retni( int iNumber )
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{
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hb_itemPutNI( &stack.Return, iNumber );
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}
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void hb_retnl( long lNumber )
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{
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hb_itemPutNL( &stack.Return, lNumber );
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}
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void hb_retnlen( double dNumber, int iWidth, int iDec )
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{
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hb_itemPutNLen( &stack.Return, dNumber, iWidth, iDec );
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}
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void hb_retndlen( double dNumber, int iWidth, int iDec )
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{
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hb_itemPutNDLen( &stack.Return, dNumber, iWidth, iDec );
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}
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void hb_retnilen( int iNumber, int iWidth )
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{
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hb_itemPutNILen( &stack.Return, iNumber, iWidth );
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}
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void hb_retnllen( long lNumber, int iWidth )
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{
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hb_itemPutNLLen( &stack.Return, lNumber, iWidth );
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}
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void hb_storc( char * szText, int iParam, ... )
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{
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if( iParam > 0 && iParam <= hb_pcount() )
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{
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PHB_ITEM pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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hb_itemPutC( hb_itemUnRef( pItem ), szText );
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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PHB_ITEM pItemNew = hb_itemPutC( NULL, szText );
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va_start( va, iParam );
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hb_arraySet( pItem, va_arg( va, ULONG ), pItemNew );
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va_end( va );
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hb_itemRelease( pItemNew );
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}
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}
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else if( iParam == -1 )
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hb_itemPutC( &stack.Return, szText );
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}
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void hb_storclen( char * szText, ULONG ulLen, int iParam, ... )
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{
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if( iParam > 0 && iParam <= hb_pcount() )
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{
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PHB_ITEM pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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hb_itemPutCL( hb_itemUnRef( pItem ), szText, ulLen );
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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PHB_ITEM pItemNew = hb_itemPutCL( NULL, szText, ulLen );
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va_start( va, iParam );
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hb_arraySet( pItem, va_arg( va, ULONG ), pItemNew );
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va_end( va );
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hb_itemRelease( pItemNew );
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}
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}
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else if( iParam == -1 )
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hb_itemPutCL( &stack.Return, szText, ulLen );
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}
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/* szDate should have yyyymmdd format */
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void hb_stords( char * szDate, int iParam, ... )
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{
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if( iParam > 0 && iParam <= hb_pcount() )
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{
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PHB_ITEM pItem = stack.pBase + 1 + iParam;
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if( IS_BYREF( pItem ) )
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hb_itemPutDS( hb_itemUnRef( pItem ), szDate );
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else if( IS_ARRAY( pItem ) )
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{
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va_list va;
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PHB_ITEM pItemNew = hb_itemPutDS( NULL, szDate );
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|
va_start( va, iParam );
|
|
hb_arraySet( pItem, va_arg( va, ULONG ), pItemNew );
|
|
va_end( va );
|
|
hb_itemRelease( pItemNew );
|
|
}
|
|
}
|
|
else if( iParam == -1 )
|
|
hb_itemPutDS( &stack.Return, szDate );
|
|
}
|
|
|
|
void hb_storl( int iLogical, int iParam, ... )
|
|
{
|
|
if( iParam > 0 && iParam <= hb_pcount() )
|
|
{
|
|
PHB_ITEM pItem = stack.pBase + 1 + iParam;
|
|
|
|
if( IS_BYREF( pItem ) )
|
|
hb_itemPutL( hb_itemUnRef( pItem ), iLogical ? TRUE : FALSE );
|
|
|
|
else if( IS_ARRAY( pItem ) )
|
|
{
|
|
va_list va;
|
|
PHB_ITEM pItemNew = hb_itemPutL( NULL, iLogical ? TRUE : FALSE );
|
|
va_start( va, iParam );
|
|
hb_arraySet( pItem, va_arg( va, ULONG ), pItemNew );
|
|
va_end( va );
|
|
hb_itemRelease( pItemNew );
|
|
}
|
|
}
|
|
else if( iParam == -1 )
|
|
hb_itemPutL( &stack.Return, iLogical ? TRUE : FALSE );
|
|
}
|
|
|
|
void hb_storni( int iValue, int iParam, ... )
|
|
{
|
|
if( iParam > 0 && iParam <= hb_pcount() )
|
|
{
|
|
PHB_ITEM pItem = stack.pBase + 1 + iParam;
|
|
|
|
if( IS_BYREF( pItem ) )
|
|
hb_itemPutNI( hb_itemUnRef( pItem ), iValue );
|
|
|
|
else if( IS_ARRAY( pItem ) )
|
|
{
|
|
va_list va;
|
|
PHB_ITEM pItemNew = hb_itemPutNI( NULL, iValue );
|
|
va_start( va, iParam );
|
|
hb_arraySet( pItem, va_arg( va, ULONG ), pItemNew );
|
|
va_end( va );
|
|
hb_itemRelease( pItemNew );
|
|
}
|
|
}
|
|
else if( iParam == -1 )
|
|
hb_itemPutNI( &stack.Return, iValue );
|
|
}
|
|
|
|
void hb_stornl( long lValue, int iParam, ... )
|
|
{
|
|
if( iParam > 0 && iParam <= hb_pcount() )
|
|
{
|
|
PHB_ITEM pItem = stack.pBase + 1 + iParam;
|
|
|
|
if( IS_BYREF( pItem ) )
|
|
hb_itemPutNI( hb_itemUnRef( pItem ), lValue );
|
|
|
|
else if( IS_ARRAY( pItem ) )
|
|
{
|
|
va_list va;
|
|
PHB_ITEM pItemNew = hb_itemPutNL( NULL, lValue );
|
|
va_start( va, iParam );
|
|
hb_arraySet( pItem, va_arg( va, ULONG ), pItemNew );
|
|
va_end( va );
|
|
hb_itemRelease( pItemNew );
|
|
}
|
|
}
|
|
else if( iParam == -1 )
|
|
hb_itemPutNL( &stack.Return, lValue );
|
|
}
|
|
|
|
void hb_stornd( double dNumber, int iParam, ... )
|
|
{
|
|
if( iParam > 0 && iParam <= hb_pcount() )
|
|
{
|
|
PHB_ITEM pItem = stack.pBase + 1 + iParam;
|
|
|
|
if( IS_BYREF( pItem ) )
|
|
hb_itemPutND( hb_itemUnRef( pItem ), dNumber );
|
|
|
|
else if( IS_ARRAY( pItem ) )
|
|
{
|
|
va_list va;
|
|
PHB_ITEM pItemNew = hb_itemPutND( NULL, dNumber );
|
|
va_start( va, iParam );
|
|
hb_arraySet( pItem, va_arg( va, ULONG ), pItemNew );
|
|
va_end( va );
|
|
hb_itemRelease( pItemNew );
|
|
}
|
|
}
|
|
else if( iParam == -1 )
|
|
hb_itemPutND( &stack.Return, dNumber );
|
|
}
|
|
|