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Diffstat (limited to 'sw/inc/index.hxx')
| -rw-r--r-- | sw/inc/index.hxx | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/sw/inc/index.hxx b/sw/inc/index.hxx new file mode 100644 index 000000000..0e5e89125 --- /dev/null +++ b/sw/inc/index.hxx @@ -0,0 +1,190 @@ +/* -*- 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 . + */ +#ifndef INCLUDED_SW_INC_INDEX_HXX +#define INCLUDED_SW_INC_INDEX_HXX + +#include <sal/types.h> +#include "swdllapi.h" + +#include <iostream> + +class SwIndexReg; +struct SwPosition; + +namespace sw::mark { class IMark; } + +/// Marks a character position inside a document model node. +class SAL_WARN_UNUSED SW_DLLPUBLIC SwIndex +{ +private: + friend class SwIndexReg; + + sal_Int32 m_nIndex; + SwIndexReg * m_pIndexReg; + // doubly linked list of Indexes registered at m_pIndexReg + SwIndex * m_pNext; + SwIndex * m_pPrev; + + /// Pointer to a mark that owns this position to allow fast lookup of marks of an SwIndexReg. + const sw::mark::IMark* m_pMark; + + SwIndex& ChgValue( const SwIndex& rIdx, sal_Int32 nNewValue ); + void Init(sal_Int32 const nIdx); + void Remove(); + +public: + explicit SwIndex(SwIndexReg *const pReg, sal_Int32 const nIdx = 0); + SwIndex( const SwIndex & ); + SwIndex( const SwIndex &, short nDiff ); + ~SwIndex() { Remove(); } + + SwIndex& operator=( sal_Int32 const ); + SwIndex& operator=( const SwIndex & ); + + sal_Int32 operator++(); + sal_Int32 operator--(); + sal_Int32 operator--(int); + + sal_Int32 operator+=( sal_Int32 const ); + sal_Int32 operator-=( sal_Int32 const ); + + bool operator< ( const SwIndex& ) const; + bool operator<=( const SwIndex& ) const; + bool operator> ( const SwIndex& ) const; + bool operator>=( const SwIndex& ) const; + + bool operator< ( sal_Int32 const nVal ) const { return m_nIndex < nVal; } + bool operator<=( sal_Int32 const nVal ) const { return m_nIndex <= nVal; } + bool operator> ( sal_Int32 const nVal ) const { return m_nIndex > nVal; } + bool operator>=( sal_Int32 const nVal ) const { return m_nIndex >= nVal; } + bool operator==( sal_Int32 const nVal ) const { return m_nIndex == nVal; } + bool operator!=( sal_Int32 const nVal ) const { return m_nIndex != nVal; } + + bool operator==( const SwIndex& rSwIndex ) const + { + return (m_nIndex == rSwIndex.m_nIndex) + && (m_pIndexReg == rSwIndex.m_pIndexReg); + } + + bool operator!=( const SwIndex& rSwIndex ) const + { + return (m_nIndex != rSwIndex.m_nIndex) + || (m_pIndexReg != rSwIndex.m_pIndexReg); + } + + sal_Int32 GetIndex() const { return m_nIndex; } + + // Assignments without creating a temporary object. + SwIndex &Assign(SwIndexReg *, sal_Int32); + + // Returns pointer to IndexArray (for RTTI at SwIndexReg). + const SwIndexReg* GetIdxReg() const { return m_pIndexReg; } + const SwIndex* GetNext() const { return m_pNext; } + + const sw::mark::IMark* GetMark() const { return m_pMark; } + void SetMark(const sw::mark::IMark* pMark); +}; + +SW_DLLPUBLIC std::ostream& operator <<(std::ostream& s, const SwIndex& index); + +class SAL_WARN_UNUSED SwIndexReg +{ + friend class SwIndex; + friend bool sw_PosOk(const SwPosition & aPos); + + const SwIndex * m_pFirst; + const SwIndex * m_pLast; + +protected: + virtual void Update( SwIndex const & rPos, const sal_Int32 nChangeLen, + const bool bNegative = false, const bool bDelete = false ); + + bool HasAnyIndex() const { return nullptr != m_pFirst; } + +public: + SwIndexReg(); + virtual ~SwIndexReg(); + + void MoveTo( SwIndexReg& rArr ); + const SwIndex* GetFirstIndex() const { return m_pFirst; } +}; + +#ifndef DBG_UTIL + +inline sal_Int32 SwIndex::operator++() +{ + return ChgValue( *this, m_nIndex+1 ).m_nIndex; +} + +inline sal_Int32 SwIndex::operator--() +{ + return ChgValue( *this, m_nIndex-1 ).m_nIndex; +} + +inline sal_Int32 SwIndex::operator--(int) +{ + sal_Int32 const nOldIndex = m_nIndex; + ChgValue( *this, m_nIndex-1 ); + return nOldIndex; +} + +inline sal_Int32 SwIndex::operator+=( sal_Int32 const nVal ) +{ + return ChgValue( *this, m_nIndex + nVal ).m_nIndex; +} + +inline sal_Int32 SwIndex::operator-=( sal_Int32 const nVal ) +{ + return ChgValue( *this, m_nIndex - nVal ).m_nIndex; +} + +inline bool SwIndex::operator< ( const SwIndex& rIndex ) const +{ + return m_nIndex < rIndex.m_nIndex; +} + +inline bool SwIndex::operator<=( const SwIndex& rIndex ) const +{ + return m_nIndex <= rIndex.m_nIndex; +} + +inline bool SwIndex::operator> ( const SwIndex& rIndex ) const +{ + return m_nIndex > rIndex.m_nIndex; +} + +inline bool SwIndex::operator>=( const SwIndex& rIndex ) const +{ + return m_nIndex >= rIndex.m_nIndex; +} + +inline SwIndex& SwIndex::operator= ( sal_Int32 const nVal ) +{ + if (m_nIndex != nVal) + { + ChgValue( *this, nVal ); + } + return *this; +} + +#endif // ifndef DBG_UTIL + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |