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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _BPARR_HXX
#define _BPARR_HXX
#include <tools/solar.h>
#include <tools/debug.hxx>
#include <swdllapi.h>
struct BlockInfo;
class BigPtrArray;
class BigPtrEntry
{
friend class BigPtrArray;
BlockInfo* pBlock;
USHORT nOffset;
public:
virtual ~BigPtrEntry() {}
protected:
BigPtrEntry() : pBlock(0), nOffset(0) {}
inline ULONG GetPos() const;
inline BigPtrArray& GetArray() const;
};
typedef BigPtrEntry* ElementPtr;
typedef BOOL (*FnForEach)( const ElementPtr&, void* pArgs );
// 1000 Eintr„ge pro Block = etwas weniger als 4K
#define MAXENTRY 1000
// Anzahl Eintraege, die bei der Kompression frei bleiben duerfen
// dieser Wert ist fuer den Worst Case, da wir MAXBLOCK mit ca 25%
// Overhead definiert haben, reichen 80% = 800 Eintraege vollkommen aus
// Will mann voellige Kompression haben, muss eben 100 angegeben werden.
#define COMPRESSLVL 80
struct BlockInfo { // Block-Info:
BigPtrArray* pBigArr; // in diesem Array steht der Block
ElementPtr* pData; // Datenblock
ULONG nStart, nEnd; // Start- und EndIndex
USHORT nElem; // Anzahl Elemente
};
class SW_DLLPUBLIC BigPtrArray
{
BlockInfo** ppInf; // Block-Infos
ULONG nSize; // Anzahl Elemente
USHORT nMaxBlock; // akt. max Anzahl Bloecke
USHORT nBlock; // Anzahl Bloecke
USHORT nCur; // letzter Block
USHORT Index2Block( ULONG ) const; // Blocksuche
BlockInfo* InsBlock( USHORT ); // Block einfuegen
void BlockDel( USHORT ); // es wurden Bloecke geloescht
void UpdIndex( USHORT ); // Indexe neu berechnen
protected:
// fuelle alle Bloecke auf.
// Der short gibt in Prozent an, wie voll die Bloecke werden sollen.
// Der ReturnWert besagt, das irgendetwas "getan" wurde
USHORT Compress( short = COMPRESSLVL );
public:
BigPtrArray();
~BigPtrArray();
ULONG Count() const { return nSize; }
void Insert( const ElementPtr& r, ULONG pos );
void Remove( ULONG pos, ULONG n = 1 );
void Move( ULONG from, ULONG to );
void Replace( ULONG pos, const ElementPtr& r);
ElementPtr operator[]( ULONG ) const;
void ForEach( FnForEach fn, void* pArgs = NULL )
{
ForEach( 0, nSize, fn, pArgs );
}
void ForEach( ULONG nStart, ULONG nEnd, FnForEach fn, void* pArgs = NULL );
};
inline ULONG BigPtrEntry::GetPos() const
{
DBG_ASSERT( this == pBlock->pData[ nOffset ], "Element nicht im Block" );
return pBlock->nStart + nOffset;
}
inline BigPtrArray& BigPtrEntry::GetArray() const
{
return *pBlock->pBigArr;
}
#endif
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