office-gobmx/include/svl/whiter.hxx
Noel Grandin 9ae3863f2a add ClearItem to the SfxItemSet iterators
to speed up operations when iterating over SfxItemSets

Change-Id: Ie40327ffaf7faa801ccc12d2b05c546a7fe49802
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/135079
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2022-05-28 20:50:40 +02:00

52 lines
1.9 KiB
C++

/* -*- 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 .
*/
#pragma once
#include <svl/svldllapi.h>
#include <svl/whichranges.hxx>
class SfxItemSet;
class SfxPoolItem;
enum class SfxItemState;
/**
* Iterates over the which ids and the pool items arrays together (which are stored in parallel arrays).
* Primarily so that we can call GetItemSet on the SfxItemSet and pass in a hint, which avoids
* searching the array the SfxItemSet, which speeds up GetItemState greatly.
*/
class SVL_DLLPUBLIC SfxWhichIter
{
const SfxItemSet& m_rItemSet;
const WhichPair* m_pCurrentWhichPair;
sal_uInt16 m_nOffsetFromStartOfCurrentWhichPair;
/// Offset into m_ppItems array in SfxItemSet
sal_uInt16 m_nItemsOffset;
public:
SfxWhichIter(const SfxItemSet& rSet);
sal_uInt16 GetCurWhich() const;
sal_uInt16 NextWhich();
sal_uInt16 FirstWhich();
SfxItemState GetItemState(bool bSrchInParent = true,
const SfxPoolItem** ppItem = nullptr) const;
void ClearItem();
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */