475 lines
17 KiB
C++
475 lines
17 KiB
C++
/*************************************************************************
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*
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* $RCSfile: implbase_ex.cxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: hr $ $Date: 2002-08-15 12:36:30 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifdef SOLARIS
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#include <alloca.h>
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#elif defined MACOSX
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#include <sys/types.h>
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#include <sys/malloc.h>
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#else
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#include <malloc.h>
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#endif
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#include <string.h>
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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#ifndef _RTL_BYTESEQ_HXX_
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#include <rtl/byteseq.hxx>
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#endif
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#ifndef _RTL_USTRBUF_HXX_
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#include <rtl/ustrbuf.hxx>
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#endif
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#ifndef _RTL_UUID_H_
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#include <rtl/uuid.h>
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#endif
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#ifndef _CPPUHELPER_COMPBASE_EX_HXX_
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#include <cppuhelper/compbase_ex.hxx>
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#endif
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using namespace ::cppu;
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using namespace ::osl;
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using namespace ::rtl;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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namespace cppu
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{
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/** Shared mutex for implementation helper initialization.
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Not for public use.
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*/
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::osl::Mutex & SAL_CALL getImplHelperInitMutex(void) SAL_THROW( () );
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//--------------------------------------------------------------------------------------------------
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static inline void checkInterface( Type const & rType )
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SAL_THROW( (RuntimeException) )
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{
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if (TypeClass_INTERFACE != rType.getTypeClass())
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{
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OUStringBuffer buf( 64 );
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("querying for interface \"") );
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buf.append( rType.getTypeName() );
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("\": no interface type!") );
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OUString msg( buf.makeStringAndClear() );
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#ifdef _DEBUG
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OString str( OUStringToOString( msg, RTL_TEXTENCODING_ASCII_US ) );
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OSL_ENSURE( 0, str.getStr() );
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#endif
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throw RuntimeException( msg, Reference< XInterface >() );
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}
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}
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//--------------------------------------------------------------------------------------------------
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static inline bool isXInterface( rtl_uString * pStr ) SAL_THROW( () )
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{
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return (((OUString const *)&pStr)->equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("com.sun.star.uno.XInterface") ) != sal_False);
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}
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//--------------------------------------------------------------------------------------------------
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static inline void * makeInterface( sal_Int32 nOffset, void * that ) SAL_THROW( () )
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{
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return (((char *)that) + nOffset);
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}
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//--------------------------------------------------------------------------------------------------
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static inline bool __td_equals(
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typelib_TypeDescriptionReference * pTDR1, typelib_TypeDescriptionReference * pTDR2 )
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SAL_THROW( () )
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{
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return ((pTDR1 == pTDR2) ||
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((OUString const *)&pTDR1->pTypeName)->equals( *(OUString const *)&pTDR2->pTypeName ) != sal_False);
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}
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//--------------------------------------------------------------------------------------------------
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static inline type_entry * __getTypeEntries( class_data * cd )
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SAL_THROW( (RuntimeException) )
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{
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type_entry * pEntries = cd->m_typeEntries;
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if (! cd->m_storedTypeRefs) // not inited?
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{
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MutexGuard guard( getImplHelperInitMutex() );
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if (! cd->m_storedTypeRefs) // not inited?
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{
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// get all types
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for ( sal_Int32 n = cd->m_nTypes; n--; )
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{
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type_entry * pEntry = &pEntries[ n ];
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Type const & rType = (*pEntry->m_type.getCppuType)( 0 );
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OSL_ENSURE( rType.getTypeClass() == TypeClass_INTERFACE, "### wrong helper init: expected interface!" );
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OSL_ENSURE( ! isXInterface( rType.getTypeLibType()->pTypeName ), "### want to implement XInterface: template argument is XInterface?!?!?!" );
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if (rType.getTypeClass() != TypeClass_INTERFACE)
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{
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OUStringBuffer buf( 48 );
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("type \"") );
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buf.append( rType.getTypeName() );
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("\" is no interface type!") );
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OUString msg( buf.makeStringAndClear() );
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#ifdef _DEBUG
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OString str( OUStringToOString( msg, RTL_TEXTENCODING_ASCII_US ) );
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OSL_ENSURE( 0, str.getStr() );
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#endif
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throw RuntimeException( msg, Reference< XInterface >() );
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}
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// ref is statically held by getCppuType()
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pEntry->m_type.typeRef = rType.getTypeLibType();
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}
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cd->m_storedTypeRefs = sal_True;
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}
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}
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return pEntries;
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}
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//--------------------------------------------------------------------------------------------------
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static inline void __fillTypes( Type * types, class_data * cd )
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SAL_THROW( (RuntimeException) )
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{
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type_entry * pEntries = __getTypeEntries( cd );
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for ( sal_Int32 n = cd->m_nTypes; n--; )
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{
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types[ n ] = pEntries[ n ].m_type.typeRef;
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}
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}
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//--------------------------------------------------------------------------------------------------
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static inline void * __queryDeepNoXInterface(
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typelib_TypeDescriptionReference * pDemandedTDR, class_data * cd, void * that )
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SAL_THROW( (RuntimeException) )
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{
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type_entry * pEntries = __getTypeEntries( cd );
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sal_Int32 nTypes = cd->m_nTypes;
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sal_Int32 n;
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// try top interfaces without getting td
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for ( n = 0; n < nTypes; ++n )
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{
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if (__td_equals( pEntries[ n ].m_type.typeRef, pDemandedTDR ))
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{
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return makeInterface( pEntries[ n ].m_offset, that );
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}
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}
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// query deep getting td
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for ( n = 0; n < nTypes; ++n )
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{
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typelib_TypeDescription * pTD = 0;
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TYPELIB_DANGER_GET( &pTD, pEntries[ n ].m_type.typeRef );
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if (pTD)
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{
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// exclude top (already tested) and bottom (XInterface) interface
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typelib_InterfaceTypeDescription * pITD =
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((typelib_InterfaceTypeDescription *)pTD)->pBaseTypeDescription;
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OSL_ENSURE( pITD, "### want to implement XInterface: template argument is XInterface?!?!?!" );
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while (pITD->pBaseTypeDescription)
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{
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if (__td_equals( (typelib_TypeDescriptionReference *)pITD, pDemandedTDR ))
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{
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TYPELIB_DANGER_RELEASE( pTD );
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return makeInterface( pEntries[ n ].m_offset, that );
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}
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pITD = pITD->pBaseTypeDescription;
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}
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TYPELIB_DANGER_RELEASE( pTD );
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}
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else
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{
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OUStringBuffer buf( 64 );
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("cannot get type description for type \"") );
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buf.append( pEntries[ n ].m_type.typeRef->pTypeName );
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("\"!") );
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OUString msg( buf.makeStringAndClear() );
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#ifdef _DEBUG
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OString str( OUStringToOString( msg, RTL_TEXTENCODING_ASCII_US ) );
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OSL_ENSURE( 0, str.getStr() );
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#endif
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throw RuntimeException( msg, Reference< XInterface >() );
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}
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}
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return 0;
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}
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// ImplHelper
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//==================================================================================================
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Any SAL_CALL ImplHelper_query(
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Type const & rType, class_data * cd, void * that )
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SAL_THROW( (RuntimeException) )
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{
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checkInterface( rType );
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typelib_TypeDescriptionReference * pTDR = rType.getTypeLibType();
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void * p;
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// shortcut for XInterface
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if (isXInterface( pTDR->pTypeName ))
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{
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// take first one
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p = makeInterface( cd->m_typeEntries[ 0 ].m_offset, that );
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}
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else
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{
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p = __queryDeepNoXInterface( pTDR, cd, that );
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if (! p)
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{
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return Any();
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}
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}
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return Any( &p, pTDR );
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}
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//==================================================================================================
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Any SAL_CALL ImplHelper_queryNoXInterface(
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Type const & rType, class_data * cd, void * that )
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SAL_THROW( (RuntimeException) )
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{
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checkInterface( rType );
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typelib_TypeDescriptionReference * pTDR = rType.getTypeLibType();
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void * p = __queryDeepNoXInterface( pTDR, cd, that );
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if (p)
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{
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return Any( &p, pTDR );
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}
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else
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{
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return Any();
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}
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}
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//==================================================================================================
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Sequence< sal_Int8 > SAL_CALL ImplHelper_getImplementationId( class_data * cd )
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SAL_THROW( (RuntimeException) )
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{
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if (! cd->m_createdId)
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{
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sal_uInt8 * id = (sal_uInt8 *)alloca( 16 );
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::rtl_createUuid( (sal_uInt8 *)id, 0, sal_True );
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MutexGuard guard( getImplHelperInitMutex() );
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if (! cd->m_createdId)
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{
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memcpy( cd->m_id, id, 16 );
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cd->m_createdId = sal_True;
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}
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}
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sal_Sequence * seq = 0;
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::rtl_byte_sequence_constructFromArray( &seq, cd->m_id, 16 );
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return Sequence< sal_Int8 >( seq, SAL_NO_ACQUIRE );
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}
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//==================================================================================================
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Sequence< Type > SAL_CALL ImplHelper_getTypes(
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class_data * cd )
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SAL_THROW( (RuntimeException) )
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{
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Sequence< Type > types( cd->m_nTypes );
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Type * pTypes = types.getArray();
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__fillTypes( pTypes, cd );
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return types;
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}
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//==================================================================================================
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Sequence< Type > SAL_CALL ImplInhHelper_getTypes(
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class_data * cd, Sequence< Type > const & rAddTypes )
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SAL_THROW( (RuntimeException) )
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{
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sal_Int32 nImplTypes = cd->m_nTypes;
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sal_Int32 nAddTypes = rAddTypes.getLength();
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Sequence< Type > types( nImplTypes + nAddTypes );
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Type * pTypes = types.getArray();
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__fillTypes( pTypes, cd );
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// append base types
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Type const * pAddTypes = rAddTypes.getConstArray();
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while (nAddTypes--)
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{
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pTypes[ nImplTypes + nAddTypes ] = pAddTypes[ nAddTypes ];
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}
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return types;
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}
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// WeakImplHelper
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//==================================================================================================
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Any SAL_CALL WeakImplHelper_query(
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Type const & rType, class_data * cd, void * that, OWeakObject * pBase )
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SAL_THROW( (RuntimeException) )
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{
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checkInterface( rType );
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typelib_TypeDescriptionReference * pTDR = rType.getTypeLibType();
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// shortcut XInterface to OWeakObject
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if (! isXInterface( pTDR->pTypeName ))
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{
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void * p = __queryDeepNoXInterface( pTDR, cd, that );
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if (p)
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{
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return Any( &p, pTDR );
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}
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}
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return pBase->OWeakObject::queryInterface( rType );
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}
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//==================================================================================================
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Sequence< Type > SAL_CALL WeakImplHelper_getTypes(
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class_data * cd )
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SAL_THROW( (RuntimeException) )
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{
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sal_Int32 nTypes = cd->m_nTypes;
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Sequence< Type > types( nTypes +1 );
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Type * pTypes = types.getArray();
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__fillTypes( pTypes, cd );
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pTypes[ nTypes ] = ::getCppuType( (Reference< XWeak > const *)0 );
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return types;
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}
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// WeakAggImplHelper
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//==================================================================================================
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Any SAL_CALL WeakAggImplHelper_queryAgg(
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Type const & rType, class_data * cd, void * that, OWeakAggObject * pBase )
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SAL_THROW( (RuntimeException) )
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{
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checkInterface( rType );
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typelib_TypeDescriptionReference * pTDR = rType.getTypeLibType();
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// shortcut XInterface to OWeakAggObject
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if (! isXInterface( pTDR->pTypeName ))
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{
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void * p = __queryDeepNoXInterface( pTDR, cd, that );
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if (p)
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{
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return Any( &p, pTDR );
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}
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}
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return pBase->OWeakAggObject::queryAggregation( rType );
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}
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//==================================================================================================
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Sequence< Type > SAL_CALL WeakAggImplHelper_getTypes(
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class_data * cd )
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SAL_THROW( (RuntimeException) )
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{
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sal_Int32 nTypes = cd->m_nTypes;
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Sequence< Type > types( nTypes +2 );
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Type * pTypes = types.getArray();
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__fillTypes( pTypes, cd );
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pTypes[ nTypes++ ] = ::getCppuType( (Reference< XWeak > const *)0 );
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pTypes[ nTypes ] = ::getCppuType( (const Reference< XAggregation > *)0 );
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return types;
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}
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// WeakComponentImplHelper
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//==================================================================================================
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Any SAL_CALL WeakComponentImplHelper_query(
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Type const & rType, class_data * cd, void * that, WeakComponentImplHelperBase * pBase )
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SAL_THROW( (RuntimeException) )
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{
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checkInterface( rType );
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typelib_TypeDescriptionReference * pTDR = rType.getTypeLibType();
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// shortcut XInterface to WeakComponentImplHelperBase
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if (! isXInterface( pTDR->pTypeName ))
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{
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void * p = __queryDeepNoXInterface( pTDR, cd, that );
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if (p)
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{
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return Any( &p, pTDR );
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}
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}
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return pBase->WeakComponentImplHelperBase::queryInterface( rType );
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}
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//==================================================================================================
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Sequence< Type > SAL_CALL WeakComponentImplHelper_getTypes(
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class_data * cd )
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SAL_THROW( (RuntimeException) )
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{
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sal_Int32 nTypes = cd->m_nTypes;
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Sequence< Type > types( nTypes +2 );
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Type * pTypes = types.getArray();
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__fillTypes( pTypes, cd );
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pTypes[ nTypes++ ] = ::getCppuType( (Reference< XWeak > const *)0 );
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pTypes[ nTypes ] = ::getCppuType( (Reference< lang::XComponent > const *)0 );
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return types;
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}
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// WeakAggComponentImplHelper
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//==================================================================================================
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Any SAL_CALL WeakAggComponentImplHelper_queryAgg(
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Type const & rType, class_data * cd, void * that, WeakAggComponentImplHelperBase * pBase )
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SAL_THROW( (RuntimeException) )
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{
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checkInterface( rType );
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typelib_TypeDescriptionReference * pTDR = rType.getTypeLibType();
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// shortcut XInterface to WeakAggComponentImplHelperBase
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if (! isXInterface( pTDR->pTypeName ))
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{
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void * p = __queryDeepNoXInterface( pTDR, cd, that );
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if (p)
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{
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return Any( &p, pTDR );
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}
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}
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return pBase->WeakAggComponentImplHelperBase::queryAggregation( rType );
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}
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//==================================================================================================
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Sequence< Type > SAL_CALL WeakAggComponentImplHelper_getTypes(
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class_data * cd )
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SAL_THROW( (RuntimeException) )
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{
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sal_Int32 nTypes = cd->m_nTypes;
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Sequence< Type > types( nTypes +3 );
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Type * pTypes = types.getArray();
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__fillTypes( pTypes, cd );
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pTypes[ nTypes++ ] = ::getCppuType( (Reference< XWeak > const *)0 );
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pTypes[ nTypes++ ] = ::getCppuType( (const Reference< XAggregation > *)0 );
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pTypes[ nTypes ] = ::getCppuType( (const Reference< lang::XComponent > *)0 );
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return types;
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}
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}
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