xref: /trunk/main/sw/inc/ndindex.hxx (revision 1d2dbeb0b7301723c6d13094e87a8714ef81a328)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


#ifndef SW_NDINDEX_HXX
#define SW_NDINDEX_HXX

#include <limits.h>

#include <tools/solar.h>

#include <node.hxx>


class SwNode;
class SwNodes;

class SW_DLLPUBLIC SwNodeIndex
{
    friend void SwNodes::RegisterIndex( SwNodeIndex& );
    friend void SwNodes::DeRegisterIndex( SwNodeIndex& );
    friend void SwNodes::RemoveNode( sal_uLong, sal_uLong, sal_Bool );

#ifdef DBG_UTIL
    static int nSerial;
    int MySerial;
#endif

    SwNode* pNd;
    SwNodeIndex *pNext, *pPrev;

    void Remove();                  // Ausketten

    // diese sind nicht erlaubt!
    SwNodeIndex( SwNodes& rNds, sal_uInt16 nIdx );
    SwNodeIndex( SwNodes& rNds, int nIdx );

public:
    SwNodeIndex( SwNodes& rNds, sal_uLong nIdx = 0 );
    SwNodeIndex( const SwNodeIndex &, long nDiff = 0 );
    SwNodeIndex( const SwNode&, long nDiff = 0 );
    ~SwNodeIndex() { Remove(); }

    inline sal_uLong operator++();
    inline sal_uLong operator--();
#ifndef CFRONT
    inline sal_uLong operator++(int);
    inline sal_uLong operator--(int);
#endif

    inline sal_uLong operator+=( sal_uLong );
    inline sal_uLong operator-=( sal_uLong );
    inline sal_uLong operator+=( const  SwNodeIndex& );
    inline sal_uLong operator-=( const SwNodeIndex& );

    inline sal_Bool operator< ( const SwNodeIndex& ) const;
    inline sal_Bool operator<=( const SwNodeIndex& ) const;
    inline sal_Bool operator> ( const SwNodeIndex& ) const;
    inline sal_Bool operator>=( const SwNodeIndex& ) const;
    inline sal_Bool operator==( const SwNodeIndex& ) const;
    inline sal_Bool operator!=( const SwNodeIndex& ) const;

    inline sal_Bool operator< ( sal_uLong nWert ) const;
    inline sal_Bool operator<=( sal_uLong nWert ) const;
    inline sal_Bool operator> ( sal_uLong nWert ) const;
    inline sal_Bool operator>=( sal_uLong nWert ) const;
    inline sal_Bool operator==( sal_uLong nWert ) const;
    inline sal_Bool operator!=( sal_uLong nWert ) const;

    inline SwNodeIndex& operator=( sal_uLong );
           SwNodeIndex& operator=( const SwNodeIndex& );
           SwNodeIndex& operator=( const SwNode& );

    // gebe den Wert vom Index als sal_uLong zurueck
    inline sal_uLong GetIndex() const;

    // ermoeglicht Zuweisungen ohne Erzeugen eines temporaeren Objektes
    SwNodeIndex& Assign( SwNodes& rNds, sal_uLong );
    SwNodeIndex& Assign( const SwNode& rNd, long nOffset = 0 );

        // Herausgabe des Pointers auf das NodesArray,
    inline const SwNodes& GetNodes() const;
    inline       SwNodes& GetNodes();

    SwNode& GetNode() const { return *pNd; }
};

/*
 * SwRange
 */
class SW_DLLPUBLIC SwNodeRange
{
public:
    SwNodeIndex aStart;
    SwNodeIndex aEnd;

    SwNodeRange( const SwNodeIndex &rS, const SwNodeIndex &rE );
    SwNodeRange( const SwNodeRange &rRange );

    SwNodeRange( SwNodes& rArr, sal_uLong nSttIdx = 0, sal_uLong nEndIdx = 0 );
    SwNodeRange( const SwNodeIndex& rS, long nSttDiff,
                 const SwNodeIndex& rE, long nEndDiff = 0 );
    SwNodeRange( const SwNode& rS, long nSttDiff,
                 const SwNode& rE, long nEndDiff = 0 );
};




// fuer die inlines wird aber der node.hxx benoetigt. Dieses braucht aber
// auch wieder dieses. Also alle Inlines, die auf pNd zugreifen werden
// hier implementiert.

inline sal_uLong SwNodeIndex::GetIndex() const
{
    return pNd->GetIndex();
}
inline const SwNodes& SwNodeIndex::GetNodes() const
{
    return pNd->GetNodes();
}
inline SwNodes& SwNodeIndex::GetNodes()
{
    return pNd->GetNodes();
}
inline sal_Bool SwNodeIndex::operator< ( sal_uLong nWert ) const
{
    return pNd->GetIndex() < nWert;
}
inline sal_Bool SwNodeIndex::operator<=( sal_uLong nWert ) const
{
    return pNd->GetIndex() <= nWert;
}
inline sal_Bool SwNodeIndex::operator> ( sal_uLong nWert ) const
{
    return pNd->GetIndex() > nWert;
}
inline sal_Bool SwNodeIndex::operator>=( sal_uLong nWert ) const
{
    return pNd->GetIndex() >= nWert;
}
inline sal_Bool SwNodeIndex::operator==( sal_uLong nWert ) const
{
    return pNd->GetIndex() == nWert;
}
inline sal_Bool SwNodeIndex::operator!=( sal_uLong nWert ) const
{
    return pNd->GetIndex() != nWert;
}
inline sal_Bool SwNodeIndex::operator<( const SwNodeIndex& rIndex ) const
{
    return pNd->GetIndex() < rIndex.GetIndex();
}
inline sal_Bool SwNodeIndex::operator<=( const SwNodeIndex& rIndex ) const
{
    return pNd->GetIndex() <= rIndex.GetIndex();
}
inline sal_Bool SwNodeIndex::operator>( const SwNodeIndex& rIndex ) const
{
    return pNd->GetIndex() > rIndex.GetIndex();
}
inline sal_Bool SwNodeIndex::operator>=( const SwNodeIndex& rIndex ) const
{
    return pNd->GetIndex() >= rIndex.GetIndex();
}
inline sal_Bool SwNodeIndex::operator==( const SwNodeIndex& rIdx ) const
{
    return pNd == rIdx.pNd;
}
inline sal_Bool SwNodeIndex::operator!=( const SwNodeIndex& rIdx ) const
{
    return pNd != rIdx.pNd;
}

inline sal_uLong SwNodeIndex::operator++()
{
    return ( pNd = GetNodes()[ pNd->GetIndex()+1 ] )->GetIndex();
}
inline sal_uLong SwNodeIndex::operator--()
{
    return ( pNd = GetNodes()[ pNd->GetIndex()-1 ] )->GetIndex();
}
#ifndef CFRONT
inline sal_uLong SwNodeIndex::operator++(int)
{
    sal_uLong nOldIndex = pNd->GetIndex();
    pNd = GetNodes()[ nOldIndex + 1 ];
    return nOldIndex;
}
inline sal_uLong SwNodeIndex::operator--(int)
{
    sal_uLong nOldIndex = pNd->GetIndex();
    pNd = GetNodes()[ nOldIndex - 1 ];
    return nOldIndex;
}
#endif

inline sal_uLong SwNodeIndex::operator+=( sal_uLong nWert )
{
    return ( pNd = GetNodes()[ pNd->GetIndex() + nWert ] )->GetIndex();
}
inline sal_uLong SwNodeIndex::operator-=( sal_uLong nWert )
{
    return ( pNd = GetNodes()[ pNd->GetIndex() - nWert ] )->GetIndex();
}
inline sal_uLong SwNodeIndex::operator+=( const  SwNodeIndex& rIndex )
{
    return ( pNd = GetNodes()[ pNd->GetIndex() + rIndex.GetIndex() ] )->GetIndex();
}
inline sal_uLong SwNodeIndex::operator-=( const SwNodeIndex& rIndex )
{
    return ( pNd = GetNodes()[ pNd->GetIndex() - rIndex.GetIndex() ] )->GetIndex();
}

inline SwNodeIndex& SwNodeIndex::operator=( sal_uLong nWert )
{
    pNd = GetNodes()[ nWert ];
    return *this;
}

#endif