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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#define _SOT_FACTORY_CXX
#define SOT_STRING_LIST
#include <sot/factory.hxx>
#include <tools/debug.hxx>
#include <tools/string.hxx>
#include <sot/object.hxx>
#include <sot/sotdata.hxx>
#include <sot/clsids.hxx>
#include <rtl/instance.hxx>
#include <rtl/strbuf.hxx>
/************** class SotData_Impl *********************************************/
/*************************************************************************
|* SotData_Impl::SotData_Impl
|*
|* Beschreibung
*************************************************************************/
SotData_Impl::SotData_Impl()
: nSvObjCount( 0 )
, pFactoryList( NULL )
, pSotObjectFactory( NULL )
, pSotStorageStreamFactory( NULL )
, pSotStorageFactory( NULL )
, pDataFlavorList( NULL )
{
}
SotData_Impl::~SotData_Impl()
{
if (pDataFlavorList)
{
for( tDataFlavorList::iterator aI = pDataFlavorList->begin(),
aEnd = pDataFlavorList->end(); aI != aEnd; ++aI)
{
delete *aI;
}
delete pDataFlavorList;
}
delete pFactoryList;
}
/*************************************************************************
|* SOTDATA()
|*
|* Beschreibung
*************************************************************************/
namespace { struct ImplData : public rtl::Static<SotData_Impl, ImplData> {}; }
SotData_Impl * SOTDATA()
{
return &ImplData::get();
}
/************** class SotFactory *****************************************/
/*************************************************************************
|* SotFactory::SotFactory()
|*
|* Beschreibung
*************************************************************************/
TYPEINIT0(SotFactory);
SotFactory::SotFactory( const SvGlobalName & rName,
const String & rClassName,
CreateInstanceType pCreateFuncP )
: SvGlobalName ( rName )
, nSuperCount ( 0 )
, pSuperClasses ( NULL )
, pCreateFunc ( pCreateFuncP )
, aClassName ( rClassName )
{
#ifdef DBG_UTIL
SvGlobalName aEmptyName;
if( aEmptyName != *this )
{ // wegen Sfx-BasicFactories
DBG_ASSERT( aEmptyName != *this, "create factory without SvGlobalName" );
if( Find( *this ) )
{
OSL_FAIL( "create factories with the same unique name" );
}
}
#endif
SotData_Impl * pSotData = SOTDATA();
if( !pSotData->pFactoryList )
pSotData->pFactoryList = new SotFactoryList();
// muss nach hinten, wegen Reihenfolge beim zerstoeren
pSotData->pFactoryList->push_back( this );
}
//=========================================================================
SotFactory::~SotFactory()
{
delete [] pSuperClasses;
}
/*************************************************************************
|* SotFactory::Find()
|*
|* Beschreibung
*************************************************************************/
const SotFactory* SotFactory::Find( const SvGlobalName & rFactName )
{
SvGlobalName aEmpty;
SotData_Impl * pSotData = SOTDATA();
if( rFactName != aEmpty && pSotData->pFactoryList )
{
for ( size_t i = 0, n = pSotData->pFactoryList->size(); i < n; ++i ) {
SotFactory* pFact = (*pSotData->pFactoryList)[ i ];
if( *pFact == rFactName )
return pFact;
}
}
return 0;
}
/*************************************************************************
|* SotFactory::PutSuperClass()
|*
|* Beschreibung
*************************************************************************/
void SotFactory::PutSuperClass( const SotFactory * pFact )
{
nSuperCount++;
if( !pSuperClasses )
pSuperClasses = new const SotFactory * [ nSuperCount ];
else
{
const SotFactory ** pTmp = new const SotFactory * [ nSuperCount ];
memcpy( (void *)pTmp, (void *)pSuperClasses,
sizeof( void * ) * (nSuperCount -1) );
delete [] pSuperClasses;
pSuperClasses = pTmp;
}
pSuperClasses[ nSuperCount -1 ] = pFact;
}
/*************************************************************************
|* SotFactory::IncSvObjectCount()
|*
|* Beschreibung
*************************************************************************/
void SotFactory::IncSvObjectCount( SotObject * pObj )
{
SotData_Impl * pSotData = SOTDATA();
pSotData->nSvObjCount++;
if( pObj )
pSotData->aObjectList.push_back( pObj );
}
/*************************************************************************
|* SotFactory::DecSvObjectCount()
|*
|* Beschreibung
*************************************************************************/
void SotFactory::DecSvObjectCount( SotObject * pObj )
{
SotData_Impl * pSotData = SOTDATA();
pSotData->nSvObjCount--;
if( pObj )
pSotData->aObjectList.remove( pObj );
if( !pSotData->nSvObjCount )
{
//keine internen und externen Referenzen mehr
}
}
/*************************************************************************
|* SotFactory::CreateInstance()
|*
|* Beschreibung
*************************************************************************/
void * SotFactory::CreateInstance( SotObject ** ppObj ) const
{
DBG_ASSERT( pCreateFunc, "SotFactory::CreateInstance: pCreateFunc == 0" );
return pCreateFunc( ppObj );
}
//=========================================================================
void * SotFactory::CastAndAddRef
(
SotObject * pObj /* Das Objekt von dem der Typ gepr"uft wird. */
) const
/* [Beschreibung]
Ist eine Optimierung, damit die Ref-Klassen k"urzer implementiert
werden k"onnen. pObj wird auf den Typ der Factory gecastet.
In c++ (wenn es immer erlaubt w"are) w"urde der void * wie im
Beispiel gebildet.
Factory der Klasse SvPersist.
void * p = (void *)(SvPersist *)pObj;
[R"uckgabewert]
void *, NULL, pObj war NULL oder das Objekt war nicht vom Typ
der Factory.
Ansonsten wird pObj zuerst auf den Typ der Factory
gecastet und dann auf void *.
[Querverweise]
<SotObject::CastAndAddRef>
*/
{
return pObj ? pObj->CastAndAddRef( this ) : NULL;
}
/*************************************************************************
|* SotFactory::Is()
|*
|* Beschreibung
*************************************************************************/
sal_Bool SotFactory::Is( const SotFactory * pSuperCl ) const
{
if( this == pSuperCl )
return sal_True;
for( sal_uInt16 i = 0; i < nSuperCount; i++ )
{
if( pSuperClasses[ i ]->Is( pSuperCl ) )
return sal_True;
}
return sal_False;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|