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Diffstat (limited to 'svtools/source/items/poolcach.cxx')
| -rw-r--r-- | svtools/source/items/poolcach.cxx | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/svtools/source/items/poolcach.cxx b/svtools/source/items/poolcach.cxx new file mode 100644 index 000000000000..d50edbf56614 --- /dev/null +++ b/svtools/source/items/poolcach.cxx @@ -0,0 +1,186 @@ +/************************************************************************* + * + * $RCSfile: poolcach.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:59:01 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#include <limits.h> + +#pragma hdrstop + +#include "itempool.hxx" +#include "itemset.hxx" +#include "poolcach.hxx" + +// STATIC DATA ----------------------------------------------------------- + +DBG_NAME(SfxItemPoolCache); + + +//------------------------------------------------------------------------ + +struct SfxItemModifyImpl +{ + const SfxSetItem *pOrigItem; + SfxSetItem *pPoolItem; +}; + +SV_DECL_VARARR( SfxItemModifyArr_Impl, SfxItemModifyImpl, 8, 8 ); +SV_IMPL_VARARR( SfxItemModifyArr_Impl, SfxItemModifyImpl); + +//------------------------------------------------------------------------ + +SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool, + const SfxPoolItem *pPutItem ): + pPool(pItemPool), + pCache(new SfxItemModifyArr_Impl), + pItemToPut( &pItemPool->Put(*pPutItem) ), + pSetToPut( 0 ) +{ + DBG_CTOR(SfxItemPoolCache, 0); + DBG_ASSERT(pItemPool, "kein Pool angegeben"); +} + +//------------------------------------------------------------------------ + +SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool, + const SfxItemSet *pPutSet ): + pPool(pItemPool), + pCache(new SfxItemModifyArr_Impl), + pItemToPut( 0 ), + pSetToPut( pPutSet ) +{ + DBG_CTOR(SfxItemPoolCache, 0); + DBG_ASSERT(pItemPool, "kein Pool angegeben"); +} + +//------------------------------------------------------------------------ + +SfxItemPoolCache::~SfxItemPoolCache() +{ + DBG_DTOR(SfxItemPoolCache, 0); + for ( USHORT nPos = 0; nPos < pCache->Count(); ++nPos ) { + pPool->Remove( *(*pCache)[nPos].pPoolItem ); + pPool->Remove( *(*pCache)[nPos].pOrigItem ); + } + delete pCache; pCache = 0; + + if ( pItemToPut ) + pPool->Remove( *pItemToPut ); +} + +//------------------------------------------------------------------------ + +const SfxSetItem& SfxItemPoolCache::ApplyTo( const SfxSetItem &rOrigItem, BOOL bNew ) +{ + DBG_CHKTHIS(SfxItemPoolCache, 0); + DBG_ASSERT( pPool == rOrigItem.GetItemSet().GetPool(), "invalid Pool" ); + DBG_ASSERT( IsDefaultItem( &rOrigItem ) || IsPooledItem( &rOrigItem ), + "original not in pool" ); + + // Suchen, ob diese Transformations schon einmal vorkam + for ( USHORT nPos = 0; nPos < pCache->Count(); ++nPos ) + { + SfxItemModifyImpl &rMapEntry = (*pCache)[nPos]; + if ( rMapEntry.pOrigItem == &rOrigItem ) + { + // aendert sich ueberhaupt etwas? + if ( rMapEntry.pPoolItem != &rOrigItem ) + { + rMapEntry.pPoolItem->AddRef(2); // einen davon fuer den Cache + if ( bNew ) + pPool->Put( rOrigItem ); //! AddRef?? + } + return *rMapEntry.pPoolItem; + } + } + + // die neue Attributierung in einem neuen Set eintragen + SfxSetItem *pNewItem = (SfxSetItem *)rOrigItem.Clone(); + if ( pItemToPut ) + { + pNewItem->GetItemSet().PutDirect( *pItemToPut ); + DBG_ASSERT( &pNewItem->GetItemSet().Get( pItemToPut->Which() ) == pItemToPut, + "wrong item in temporary set" ); + } + else + pNewItem->GetItemSet().Put( *pSetToPut ); + const SfxSetItem* pNewPoolItem = (const SfxSetItem*) &pPool->Put( *pNewItem ); + DBG_ASSERT( pNewPoolItem != pNewItem, "Pool: rein == raus?" ); + delete pNewItem; + + // Refernzzaehler anpassen, je einen davon fuer den Cache + pNewPoolItem->AddRef( pNewPoolItem != &rOrigItem ? 2 : 1 ); + if ( bNew ) + pPool->Put( rOrigItem ); //! AddRef?? + + // die Transformation im Cache eintragen + SfxItemModifyImpl aModify; + aModify.pOrigItem = &rOrigItem; + aModify.pPoolItem = (SfxSetItem*) pNewPoolItem; + pCache->Insert( aModify, pCache->Count() ); + + DBG_ASSERT( !pItemToPut || + &pNewPoolItem->GetItemSet().Get( pItemToPut->Which() ) == pItemToPut, + "wrong item in resulting set" ); + + return *pNewPoolItem; +} + + + |