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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /svl/source/items/poolcach.cxx
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--svl/source/items/poolcach.cxx109
1 files changed, 109 insertions, 0 deletions
diff --git a/svl/source/items/poolcach.cxx b/svl/source/items/poolcach.cxx
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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 .
+ */
+
+
+#include <svl/itempool.hxx>
+#include <svl/itemset.hxx>
+#include <svl/poolcach.hxx>
+#include <tools/debug.hxx>
+
+SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool,
+ const SfxPoolItem *pPutItem ):
+ pPool(pItemPool),
+ pSetToPut( nullptr ),
+ pItemToPut( &pItemPool->Put(*pPutItem) )
+{
+ DBG_ASSERT(pItemPool, "No Pool provided");
+}
+
+
+SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool,
+ const SfxItemSet *pPutSet ):
+ pPool(pItemPool),
+ pSetToPut( pPutSet ),
+ pItemToPut( nullptr )
+{
+ DBG_ASSERT(pItemPool, "No Pool provided");
+}
+
+
+SfxItemPoolCache::~SfxItemPoolCache()
+{
+ for (const SfxItemModifyImpl & rImpl : m_aCache) {
+ pPool->Remove( *rImpl.pPoolItem );
+ pPool->Remove( *rImpl.pOrigItem );
+ }
+
+ if ( pItemToPut )
+ pPool->Remove( *pItemToPut );
+}
+
+
+const SfxSetItem& SfxItemPoolCache::ApplyTo( const SfxSetItem &rOrigItem )
+{
+ DBG_ASSERT( pPool == rOrigItem.GetItemSet().GetPool(), "invalid Pool" );
+ DBG_ASSERT( IsDefaultItem( &rOrigItem ) || IsPooledItem( &rOrigItem ),
+ "original not in pool" );
+
+ // Find whether this Transformations ever occurred
+ for (const SfxItemModifyImpl & rMapEntry : m_aCache)
+ {
+ if ( rMapEntry.pOrigItem == &rOrigItem )
+ {
+ // Did anything change at all?
+ if ( rMapEntry.pPoolItem != &rOrigItem )
+ {
+ rMapEntry.pPoolItem->AddRef(2); // One for the cache
+ pPool->Put( rOrigItem ); //FIXME: AddRef?
+ }
+ return *rMapEntry.pPoolItem;
+ }
+ }
+
+ // Insert the new attributes in a new Set
+ std::unique_ptr<SfxSetItem> pNewItem(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 = &pPool->Put( std::move(pNewItem) );
+
+ // Adapt refcount; one each for the cache
+ pNewPoolItem->AddRef( pNewPoolItem != &rOrigItem ? 2 : 1 );
+ pPool->Put( rOrigItem ); //FIXME: AddRef?
+
+ // Add the transformation to the cache
+ SfxItemModifyImpl aModify;
+ aModify.pOrigItem = &rOrigItem;
+ aModify.pPoolItem = const_cast<SfxSetItem*>(pNewPoolItem);
+ m_aCache.push_back( aModify );
+
+ DBG_ASSERT( !pItemToPut ||
+ &pNewPoolItem->GetItemSet().Get( pItemToPut->Which() ) == pItemToPut,
+ "wrong item in resulting set" );
+
+ return *pNewPoolItem;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */