131 lines
3.7 KiB
Plaintext
131 lines
3.7 KiB
Plaintext
/*
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* OLE Automation object
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*
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* Copyright 2008, 2009 Mindaugas Kavaliauskas <dbtopas at dbtopas.lt>
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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 program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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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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#define HB_CLS_NOTOBJECT /* avoid definition of method: INIT */
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#include "hbclass.ch"
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CREATE CLASS win_oleAuto
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VAR __hObj
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VAR __hObjEnum
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VAR __hSink
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VAR __cargo
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METHOD __enumStart( enum, lDescend )
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METHOD __enumSkip( enum, lDescend )
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METHOD __enumStop()
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METHOD __OpIndex( xIndex, xValue ) OPERATOR "[]"
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ERROR HANDLER __OnError()
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ENDCLASS
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METHOD __enumStart( enum, lDescend ) CLASS win_oleAuto
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LOCAL hObjEnum
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IF ! Empty( hObjEnum := __oleEnumCreate( ::__hObj, lDescend ) )
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IF ! Empty( ::__hObjEnum )
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/* small hack - clone the object array for nested FOR EACH calls */
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Self := __objClone( Self )
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ENDIF
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::__hObjEnum := hObjEnum
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/* set base value for enumerator */
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( @enum ):__enumBase( Self )
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RETURN ::__enumSkip( @enum, lDescend )
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ENDIF
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RETURN .F.
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METHOD __enumSkip( enum, lDescend ) CLASS win_oleAuto
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LOCAL lContinue, xValue
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HB_SYMBOL_UNUSED( lDescend )
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xValue := __oleEnumNext( ::__hObjEnum, @lContinue, ::classH )
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/* set enumerator value */
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( @enum ):__enumValue( xValue )
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RETURN lContinue
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METHOD PROCEDURE __enumStop() CLASS win_oleAuto
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::__hObjEnum := NIL /* activate auto-destructor */
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RETURN
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/* OLE functions */
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FUNCTION win_oleGetActiveObject( ... )
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LOCAL oOle, hOle
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IF ! Empty( hOle := __oleGetActiveObject( ... ) )
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oOle := win_oleAuto()
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oOle:__hObj := hOle
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ENDIF
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RETURN oOle
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FUNCTION win_oleCreateObject( ... )
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LOCAL oOle, hOle
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IF ! Empty( hOle := __oleCreateObject( ... ) )
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oOle := win_oleAuto()
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oOle:__hObj := hOle
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ENDIF
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RETURN oOle
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