5c4ae1b19c
Commit963de9feb3"sw: fix issue with copying stashed frame format" fixed the actual bug here, but introduced a new memory leak. This causes an assert in CppunitTest_uiwriter3: cppunittester: svl/source/items/itempool.cxx:779: void SfxItemPool::Remove(const SfxPoolItem&): Assertion `rItem.GetRefCount() && "RefCount == 0, Remove impossible"' failed. The assert happens only when this is backported to the libreoffice-7-6 branch, because commitab7c81f556"ITEM: Get away from classic 'poolable' Item flag" removed the assert. The problem is that a SwFormatFrameSize inside a footer SwFrameFormat is leaked 4 times, because 4 SwFrameFormats are leaked; the leak is that SwDoc::CopyPageDesc() creates a new pNewFormat, passed it to StashFrameFormat(), which copies it but doesn't free it. There is also a usage of std::shared_ptr here that is very questionable; SwFrameFormat should never be shared between different SwPageDesc. (regression from commitb802ab694a) Change-Id: I44133bc5e6789a51ce064f1aa5ea8b325224365b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/163854 Tested-by: Jenkins Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
466 lines
17 KiB
C++
466 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SW_INC_PAGEDESC_HXX
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#define INCLUDED_SW_INC_PAGEDESC_HXX
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#include <tools/fract.hxx>
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#include <tools/color.hxx>
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#include "swdllapi.h"
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#include "swtypes.hxx"
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#include "frmfmt.hxx"
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#include <editeng/numitem.hxx>
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#include <editeng/borderline.hxx>
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#include <com/sun/star/drawing/TextVerticalAdjust.hpp>
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#include <com/sun/star/text/HorizontalAdjust.hpp>
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#include <o3tl/typed_flags_set.hxx>
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#include <boost/multi_index_container.hpp>
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#include <boost/multi_index/identity.hpp>
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#include <boost/multi_index/ordered_index.hpp>
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#include <boost/multi_index/random_access_index.hpp>
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using namespace ::com::sun::star;
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class SfxPoolItem;
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class SwTextFormatColl;
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class SwNode;
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class SwPageDescs;
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typedef struct _xmlTextWriter* xmlTextWriterPtr;
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/// Footnote information.
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class SW_DLLPUBLIC SwPageFootnoteInfo
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{
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private:
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SwTwips m_nMaxHeight; ///< maximum height of the footnote area.
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sal_uLong m_nLineWidth; ///< width of separator line
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SvxBorderLineStyle m_eLineStyle; ///< Style of the separator line
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Color m_LineColor; ///< color of the separator line
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Fraction m_Width; ///< percentage width of the separator line.
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css::text::HorizontalAdjust m_eAdjust; ///< line adjustment.
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SwTwips m_nTopDist; ///< distance between body and separator.
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SwTwips m_nBottomDist; ///< distance between separator and first footnote
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public:
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SwTwips GetHeight() const { return m_nMaxHeight; }
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sal_uLong GetLineWidth() const { return m_nLineWidth; }
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const Color& GetLineColor() const { return m_LineColor;}
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SvxBorderLineStyle GetLineStyle() const { return m_eLineStyle; }
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const Fraction& GetWidth() const { return m_Width; }
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css::text::HorizontalAdjust GetAdj() const { return m_eAdjust; }
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SwTwips GetTopDist() const { return m_nTopDist; }
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SwTwips GetBottomDist() const { return m_nBottomDist; }
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void SetHeight(SwTwips const nNew) { m_nMaxHeight = nNew; }
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void SetLineWidth(sal_uLong const nSet) { m_nLineWidth = nSet; }
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void SetLineStyle(SvxBorderLineStyle const eSet) {m_eLineStyle = eSet;}
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void SetLineColor(const Color& rCol) { m_LineColor = rCol;}
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void SetWidth(const Fraction & rNew) { m_Width = rNew; }
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void SetAdj(css::text::HorizontalAdjust const eNew) { m_eAdjust = eNew; }
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void SetTopDist (SwTwips const nNew) { m_nTopDist = nNew; }
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void SetBottomDist(SwTwips const nNew) { m_nBottomDist = nNew; }
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SwPageFootnoteInfo();
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SwPageFootnoteInfo( const SwPageFootnoteInfo& );
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SwPageFootnoteInfo& operator=( const SwPageFootnoteInfo& );
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bool operator ==( const SwPageFootnoteInfo& ) const;
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};
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/*
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* Use of UseOnPage (m_eUse) and of FrameFormats
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*
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* RIGHT - m_Master only for right hand (odd) pages, left hand (even) pages
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* always empty.
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* LEFT - m_Left for left-hand pages, right-hand pages always empty.
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* m_Left is a copy of master.
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* ALL - m_Master for right hand pages, m_Left for left hand pages.
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* - m_Left is a copy of master.
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* MIRROR - m_Master for right hand pages, m_Left for left hand pagers.
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* m_Left is a copy of master, margins are mirrored.
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*
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* UI works exclusively on master! m_Left is adjusted on Chg at document
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* according to m_eUse.
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*
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* In order to simplify the work of the filters some more values are placed
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* into m_eUse:
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*
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* HEADERSHARE - Content of header is equal on left and right hand pages.
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* FOOTERSHARE - Content of footer is equal on left and right hand pages.
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*
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* The values are masked out in the respective getter and setter methods.
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* Access to complete m_eUse including the information on header and footer
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* via ReadUseOn(), WriteUseOn() (for Filter and CopyCTor)!
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*
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* The Frameformats for header/footer are adjusted by the UI according to
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* the attributes for header and footer at master (height, margin, back-
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* ground ...)
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* Header/footer for left hand pages are copied or mirrored (Chg at
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* document).
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* The respective attribute for content is cared for automatically on Chg at
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* document (contents are created or removed according to SHARE-information).
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*/
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enum class UseOnPage : sal_uInt16
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{
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NONE = 0x0000, ///< For internal use only.
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Left = 0x0001,
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Right = 0x0002,
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All = 0x0003,
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Mirror = 0x0007,
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HeaderShare = 0x0040,
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FooterShare = 0x0080,
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FirstShare = 0x0100,
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NoHeaderShare = 0xFFBF, ///< For internal use only.
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NoFooterShare = 0xFF7F, ///< For internal use only.
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NoFirstShare = 0xFEFF
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};
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namespace o3tl {
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template<> struct typed_flags<UseOnPage> : is_typed_flags<UseOnPage, 0xffff> {};
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}
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class SW_DLLPUBLIC SwPageDesc final
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: public sw::BroadcastingModify
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{
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friend class SwDoc;
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friend class SwPageDescs;
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OUString m_StyleName;
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SvxNumberType m_NumType;
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SwFrameFormat m_Master;
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SwFrameFormat m_Left;
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// FIXME epicycles growing here - page margins need to be stored differently
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SwFrameFormat m_FirstMaster;
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SwFrameFormat m_FirstLeft;
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struct StashedPageDesc
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{
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std::optional<SwFrameFormat> m_oStashedFirst;
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std::optional<SwFrameFormat> m_oStashedLeft;
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std::optional<SwFrameFormat> m_oStashedFirstLeft;
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};
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mutable StashedPageDesc m_aStashedHeader;
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mutable StashedPageDesc m_aStashedFooter;
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sw::WriterMultiListener m_aDepends; ///< Because of grid alignment (Registerhaltigkeit).
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mutable const SwTextFormatColl* m_pTextFormatColl;
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SwPageDesc *m_pFollow;
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sal_uInt16 m_nRegHeight; ///< Sentence spacing and fontascent of style.
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sal_uInt16 m_nRegAscent; ///< For grid alignment (Registerhaltigkeit).
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drawing::TextVerticalAdjust m_nVerticalAdjustment; // doc/docx: vertically center / justify / bottom
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UseOnPage m_eUse;
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bool m_IsLandscape;
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bool m_IsHidden;
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/// Footnote information.
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SwPageFootnoteInfo m_FootnoteInfo;
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/// Backref to the assigned SwPageDescs list to handle renames.
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SwPageDescs *m_pdList;
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/** Called for mirroring of Chg (doc).
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No adjustment at any other place. */
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SAL_DLLPRIVATE void Mirror();
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SAL_DLLPRIVATE void ResetAllAttr();
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SAL_DLLPRIVATE SwPageDesc(const OUString&, SwFrameFormat*, SwDoc *pDc );
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struct change_name
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{
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change_name(const OUString &rName) : mName(rName) {}
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void operator()(SwPageDesc *pPageDesc) { pPageDesc->m_StyleName = mName; }
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const OUString &mName;
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};
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virtual void SwClientNotify(const SwModify&, const SfxHint&) override;
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public:
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const OUString& GetName() const { return m_StyleName; }
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bool SetName(const OUString& rNewName);
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bool GetLandscape() const { return m_IsLandscape; }
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void SetLandscape( bool bNew ) { m_IsLandscape = bNew; }
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const SvxNumberType &GetNumType() const { return m_NumType; }
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void SetNumType(const SvxNumberType& rNew) { m_NumType = rNew; }
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const SwPageFootnoteInfo &GetFootnoteInfo() const { return m_FootnoteInfo; }
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SwPageFootnoteInfo &GetFootnoteInfo() { return m_FootnoteInfo; }
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void SetFootnoteInfo(const SwPageFootnoteInfo &rNew) { m_FootnoteInfo = rNew; }
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inline bool IsHeaderShared() const;
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inline bool IsFooterShared() const;
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inline void ChgHeaderShare( bool bNew );
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inline void ChgFooterShare( bool bNew );
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bool IsFirstShared() const;
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void ChgFirstShare( bool bNew );
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bool IsHidden() const { return m_IsHidden; }
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void SetHidden(bool const bValue) { m_IsHidden = bValue; }
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/// Remember original header/footer formats even when they are hidden by "sharing".
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void StashFrameFormat(const SwFrameFormat& rFormat, bool bHeader, bool bLeft, bool bFirst);
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/// Used to restore hidden header/footer formats.
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const SwFrameFormat* GetStashedFrameFormat(bool bHeader, bool bLeft, bool bFirst) const;
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/// Checks if the pagedescriptor has a stashed format according to the parameters or not.
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bool HasStashedFormat(bool bHeader, bool bLeft, bool bFirst) const;
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/// Gives the feature of removing the stashed format by hand if it is necessary.
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void RemoveStashedFormat(bool bHeader, bool bLeft, bool bFirst);
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/// Same as WriteUseOn(), but the >= HeaderShare part of the bitfield is not modified.
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inline void SetUseOn( UseOnPage eNew );
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inline UseOnPage GetUseOn() const;
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void WriteUseOn(UseOnPage const eNew) { m_eUse = eNew; }
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UseOnPage ReadUseOn() const { return m_eUse; }
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SwFrameFormat &GetMaster() { return m_Master; }
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SwFrameFormat &GetLeft() { return m_Left; }
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SwFrameFormat &GetFirstMaster() { return m_FirstMaster; }
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SwFrameFormat &GetFirstLeft() { return m_FirstLeft; }
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const SwFrameFormat &GetMaster() const { return m_Master; }
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const SwFrameFormat &GetLeft() const { return m_Left; }
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const SwFrameFormat &GetFirstMaster() const { return m_FirstMaster; }
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const SwFrameFormat &GetFirstLeft() const { return m_FirstLeft; }
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/** Reset all attrs of the format but keep the ones a pagedesc
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cannot live without. */
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inline void ResetAllMasterAttr();
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/** Layout uses the following methods to obtain a format in order
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to be able to create a page. */
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SwFrameFormat *GetRightFormat(bool const bFirst = false);
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inline const SwFrameFormat *GetRightFormat(bool const bFirst = false) const;
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SwFrameFormat *GetLeftFormat(bool const bFirst = false);
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inline const SwFrameFormat *GetLeftFormat(bool const bFirst = false) const;
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sal_uInt16 GetRegHeight() const { return m_nRegHeight; }
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sal_uInt16 GetRegAscent() const { return m_nRegAscent; }
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void SetRegHeight(sal_uInt16 const nNew) { m_nRegHeight = nNew; }
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void SetRegAscent(sal_uInt16 const nNew) { m_nRegAscent = nNew; }
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drawing::TextVerticalAdjust GetVerticalAdjustment () const {return m_nVerticalAdjustment; }
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void SetVerticalAdjustment (const drawing::TextVerticalAdjust nVA) {m_nVerticalAdjustment = nVA; }
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inline void SetFollow( const SwPageDesc* pNew );
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const SwPageDesc* GetFollow() const { return m_pFollow; }
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SwPageDesc* GetFollow() { return m_pFollow; }
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void SetRegisterFormatColl( const SwTextFormatColl* rFormat );
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const SwTextFormatColl* GetRegisterFormatColl() const;
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void RegisterChange();
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/// Query and set PoolFormat-Id.
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sal_uInt16 GetPoolFormatId() const { return m_Master.GetPoolFormatId(); }
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void SetPoolFormatId(sal_uInt16 const nId) { m_Master.SetPoolFormatId(nId); }
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sal_uInt16 GetPoolHelpId() const { return m_Master.GetPoolHelpId(); }
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void SetPoolHelpId(sal_uInt32 const nId){ m_Master.SetPoolHelpId(nId); }
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sal_uInt8 GetPoolHlpFileId() const { return m_Master.GetPoolHlpFileId(); }
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void SetPoolHlpFileId(sal_uInt8 const nId) { m_Master.SetPoolHlpFileId(nId); }
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/// Query information from Client.
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virtual bool GetInfo( SfxPoolItem& ) const override;
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const SwFrameFormat* GetPageFormatOfNode( const SwNode& rNd,
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bool bCheckForThisPgDc = true ) const;
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bool IsFollowNextPageOfNode( const SwNode& rNd ) const;
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/// Given a SwNode return the pagedesc in use at that location.
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static const SwPageDesc* GetPageDescOfNode(const SwNode& rNd);
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static SwPageDesc* GetByName(SwDoc& rDoc, std::u16string_view rName);
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SwPageDesc& operator=( const SwPageDesc& );
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SwPageDesc( const SwPageDesc& );
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virtual ~SwPageDesc() override;
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void dumpAsXml(xmlTextWriterPtr pWriter) const;
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};
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namespace std {
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template<>
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struct less<SwPageDesc*> {
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bool operator()(const SwPageDesc *pPageDesc, std::u16string_view rName) const
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{ return pPageDesc->GetName() < rName; }
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bool operator()(std::u16string_view rName, const SwPageDesc *pPageDesc) const
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{ return rName < pPageDesc->GetName(); }
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bool operator()(const SwPageDesc *lhs, const SwPageDesc *rhs) const
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{ return lhs->GetName() < rhs->GetName(); }
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};
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}
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inline void SwPageDesc::SetFollow( const SwPageDesc* pNew )
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{
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m_pFollow = pNew ? const_cast<SwPageDesc*>(pNew) : this;
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}
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inline bool SwPageDesc::IsHeaderShared() const
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{
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return bool(m_eUse & UseOnPage::HeaderShare);
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}
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inline bool SwPageDesc::IsFooterShared() const
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{
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return bool(m_eUse & UseOnPage::FooterShare);
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}
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inline void SwPageDesc::ChgHeaderShare( bool bNew )
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{
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if ( bNew )
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m_eUse |= UseOnPage::HeaderShare;
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else
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m_eUse &= UseOnPage::NoHeaderShare;
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}
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inline void SwPageDesc::ChgFooterShare( bool bNew )
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{
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if ( bNew )
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m_eUse |= UseOnPage::FooterShare;
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else
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m_eUse &= UseOnPage::NoFooterShare;
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}
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inline void SwPageDesc::SetUseOn( UseOnPage eNew )
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{
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UseOnPage eTmp = UseOnPage::NONE;
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if (m_eUse & UseOnPage::HeaderShare)
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eTmp = UseOnPage::HeaderShare;
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if (m_eUse & UseOnPage::FooterShare)
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eTmp |= UseOnPage::FooterShare;
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if (m_eUse & UseOnPage::FirstShare)
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eTmp |= UseOnPage::FirstShare;
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m_eUse = eTmp | eNew;
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}
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inline UseOnPage SwPageDesc::GetUseOn() const
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{
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UseOnPage eRet = m_eUse;
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eRet &= UseOnPage::NoHeaderShare;
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eRet &= UseOnPage::NoFooterShare;
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eRet &= UseOnPage::NoFirstShare;
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return eRet;
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}
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inline void SwPageDesc::ResetAllMasterAttr()
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{
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ResetAllAttr();
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}
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inline const SwFrameFormat *SwPageDesc::GetRightFormat(bool const bFirst) const
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{
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return const_cast<SwPageDesc*>(this)->GetRightFormat(bFirst);
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}
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inline const SwFrameFormat *SwPageDesc::GetLeftFormat(bool const bFirst) const
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{
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return const_cast<SwPageDesc*>(this)->GetLeftFormat(bFirst);
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}
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class SwPageDescExt
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{
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public:
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SwPageDesc m_PageDesc;
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private:
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SwDoc * m_pDoc;
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OUString m_sFollow;
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void SetPageDesc(const SwPageDesc & rPageDesc);
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public:
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SwPageDescExt(const SwPageDesc & rPageDesc, SwDoc * pDoc);
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SwPageDescExt(const SwPageDescExt & rSrc);
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~SwPageDescExt();
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SwPageDescExt & operator = (const SwPageDescExt & rSrc);
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SwPageDescExt & operator = (const SwPageDesc & rSrc);
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OUString const & GetName() const;
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operator SwPageDesc() const; // #i7983#
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};
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namespace sw {
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class PageFootnoteHint final : public SfxHint {};
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SW_DLLPUBLIC SwTwips FootnoteSeparatorHeight(SwPageFootnoteInfo const&);
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}
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typedef boost::multi_index_container<
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SwPageDesc*,
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boost::multi_index::indexed_by<
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boost::multi_index::random_access<>,
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boost::multi_index::ordered_unique<
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boost::multi_index::identity<SwPageDesc*> >
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>
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>
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SwPageDescsBase;
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class SwPageDescs final
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{
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// function updating ByName index via modify
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friend bool SwPageDesc::SetName( const OUString& rNewName );
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typedef SwPageDescsBase::nth_index<0>::type ByPos;
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typedef SwPageDescsBase::nth_index<1>::type ByName;
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typedef ByPos::iterator iterator;
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iterator find_( const OUString &name ) const;
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SwPageDescsBase m_Array;
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ByPos &m_PosIndex;
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ByName &m_NameIndex;
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public:
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typedef ByPos::const_iterator const_iterator;
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typedef SwPageDescsBase::size_type size_type;
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typedef SwPageDescsBase::value_type value_type;
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SwPageDescs();
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// frees all SwPageDesc!
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~SwPageDescs();
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void clear() { return m_Array.clear(); }
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bool empty() const { return m_Array.empty(); }
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size_t size() const { return m_Array.size(); }
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std::pair<const_iterator,bool> push_back( const value_type& x );
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void erase( const value_type& x );
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void erase( size_type index );
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void erase( const_iterator const& position );
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const_iterator find( const OUString &name ) const
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{ return find_( name ); }
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const value_type& operator[]( size_t index_ ) const
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{ return m_PosIndex.operator[]( index_ ); }
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const value_type& front() const { return m_PosIndex.front(); }
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const value_type& back() const { return m_PosIndex.back(); }
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const_iterator begin() const { return m_PosIndex.begin(); }
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const_iterator end() const { return m_PosIndex.end(); }
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bool contains( const value_type& x ) const
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{ return x->m_pdList == this; }
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void dumpAsXml(xmlTextWriterPtr pWriter) const;
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};
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#endif // INCLUDED_SW_INC_PAGEDESC_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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