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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 .
*/
#pragma once
#include <svl/svldllapi.h>
#include <svl/whichranges.hxx>
#include <svl/itemset.hxx>
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;
public:
SfxWhichIter(const SfxItemSet& rSet)
: m_rItemSet(rSet)
, m_pCurrentWhichPair(rSet.m_aWhichRanges.begin())
, m_nOffsetFromStartOfCurrentWhichPair(0)
{
}
sal_uInt16 GetCurWhich() const;
sal_uInt16 NextWhich();
sal_uInt16 FirstWhich();
SfxItemState GetItemState(bool bSrchInParent = true, const SfxPoolItem** ppItem = nullptr) const
{
const sal_uInt16 nWhich(GetCurWhich());
if (0 == nWhich)
return SfxItemState::UNKNOWN;
return m_rItemSet.GetItemState_ForWhichID(SfxItemState::UNKNOWN, nWhich, bSrchInParent,
ppItem);
}
void ClearItem()
{
const sal_uInt16 nWhich(GetCurWhich());
if (0 == nWhich)
return;
const_cast<SfxItemSet&>(m_rItemSet).ClearSingleItem_ForWhichID(nWhich);
}
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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