/* -*- 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 <sal/types.h>
#include "swdllapi.h"
#include <o3tl/typed_flags_set.hxx>
#include <iostream>
class SwContentNode;
/// enum to allow us to cast without dynamic_cast (for performance)
enum class SwContentIndexOwnerType { Redline, Mark };
/// Pure abstract class for a pointer to something that "owns" a SwContentIndex
class ISwContentIndexOwner
{
public :
virtual ~ISwContentIndexOwner();
virtual SwContentIndexOwnerType GetOwnerType() const = 0 ;
};
/// Marks a character position inside a document model content node (SwContentNode)
class SAL_WARN_UNUSED SW_DLLPUBLIC SwContentIndex
{
private :
friend class SwContentIndexReg;
sal_Int32 m_nIndex;
SwContentNode * m_pContentNode;
// doubly linked list of Indexes registered at m_pIndexReg
SwContentIndex * m_pNext;
SwContentIndex * m_pPrev;
/// This is either
/// (*) nullptr
/// (*) the SwRangeRedline (if any) that contains this SwContentIndex, via SwPosition and SwPaM
/// (*) the sw::mark::MarkBase that owns this position to allow fast lookup of marks of an SwContentIndexReg.
ISwContentIndexOwner * m_pOwner = nullptr;
SwContentIndex& ChgValue( const SwContentIndex& rIdx, sal_Int32 nNewValue );
void Init(sal_Int32 const nIdx);
void Remove();
public :
explicit SwContentIndex(const SwContentNode * pContentNode, sal_Int32 const nIdx = 0 );
SwContentIndex( const SwContentIndex & );
SwContentIndex( const SwContentIndex &, short nDiff );
~SwContentIndex() { Remove(); }
SwContentIndex& operator =( sal_Int32 const );
SwContentIndex& operator =( const SwContentIndex & );
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 SwContentIndex& ) const ;
bool operator <=( const SwContentIndex& ) const ;
bool operator > ( const SwContentIndex& ) const ;
bool operator >=( const SwContentIndex& ) 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 SwContentIndex& rSwContentIndex ) const
{
return (m_nIndex == rSwContentIndex.m_nIndex)
&& (m_pContentNode == rSwContentIndex.m_pContentNode);
}
bool operator !=( const SwContentIndex& rSwContentIndex ) const
{
return (m_nIndex != rSwContentIndex.m_nIndex)
|| (m_pContentNode != rSwContentIndex.m_pContentNode);
}
sal_Int32 GetIndex() const { return m_nIndex; }
// Assignments without creating a temporary object.
SwContentIndex &Assign(const SwContentNode *, sal_Int32);
// Returns pointer to SwContentNode (for RTTI at SwContentIndexReg).
const SwContentNode* GetContentNode() const { return m_pContentNode; }
const SwContentIndex* GetNext() const { return m_pNext; }
ISwContentIndexOwner* GetOwner() const { return m_pOwner; }
void SetOwner(ISwContentIndexOwner* pOwner)
{
assert(m_pOwner == nullptr && "there can be only one owner" );
m_pOwner = pOwner;
}
};
SW_DLLPUBLIC std::ostream& operator <<(std::ostream& s, const SwContentIndex& index);
/// Helper base class for SwContentNode to manage the list of attached SwContentIndex
class SAL_WARN_UNUSED SAL_LOPLUGIN_ANNOTATE("crosscast" ) SwContentIndexReg
{
friend class SwContentIndex;
const SwContentIndex * m_pFirst;
const SwContentIndex * m_pLast;
public :
enum class UpdateMode {
Default = 0 ,
Negative = (1 <<0 ),
Delete = (1 <<1 ),
Replace = (1 <<2 ),
};
protected :
virtual void Update( SwContentIndex const & rPos, const sal_Int32 nChangeLen,
UpdateMode eMode);
bool HasAnyIndex() const { return nullptr != m_pFirst; }
SwContentIndexReg();
public :
virtual ~SwContentIndexReg();
void MoveTo( SwContentNode& rArr );
const SwContentIndex* GetFirstIndex() const { return m_pFirst; }
};
namespace o3tl
{
template <> struct typed_flags<SwContentIndexReg::UpdateMode> : is_typed_flags<SwContentIndexReg::UpdateMode, 0 x07> {};
}
#ifndef DBG_UTIL
inline sal_Int32 SwContentIndex::operator ++()
{
return ChgValue( *this , m_nIndex+1 ).m_nIndex;
}
inline sal_Int32 SwContentIndex::operator --()
{
return ChgValue( *this , m_nIndex-1 ).m_nIndex;
}
inline sal_Int32 SwContentIndex::operator --(int )
{
sal_Int32 const nOldIndex = m_nIndex;
ChgValue( *this , m_nIndex-1 );
return nOldIndex;
}
inline sal_Int32 SwContentIndex::operator +=( sal_Int32 const nVal )
{
return ChgValue( *this , m_nIndex + nVal ).m_nIndex;
}
inline sal_Int32 SwContentIndex::operator -=( sal_Int32 const nVal )
{
return ChgValue( *this , m_nIndex - nVal ).m_nIndex;
}
inline bool SwContentIndex::operator < ( const SwContentIndex& rIndex ) const
{
return m_nIndex < rIndex.m_nIndex;
}
inline bool SwContentIndex::operator <=( const SwContentIndex& rIndex ) const
{
return m_nIndex <= rIndex.m_nIndex;
}
inline bool SwContentIndex::operator > ( const SwContentIndex& rIndex ) const
{
return m_nIndex > rIndex.m_nIndex;
}
inline bool SwContentIndex::operator >=( const SwContentIndex& rIndex ) const
{
return m_nIndex >= rIndex.m_nIndex;
}
inline SwContentIndex& SwContentIndex::operator = ( sal_Int32 const nVal )
{
if (m_nIndex != nVal)
{
ChgValue( *this , nVal );
}
return *this ;
}
#endif // ifndef DBG_UTIL
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=93 H=100 G=96
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(vorverarbeitet am 2026-09-29)
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