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#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;
sal_uInt16 nOffset;
public:
virtual ~BigPtrEntry() {}
protected:
BigPtrEntry() : pBlock(0), nOffset(0) {}
inline sal_uLong GetPos() const;
inline BigPtrArray& GetArray() const;
};
typedef BigPtrEntry* ElementPtr;
typedef sal_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
sal_uLong nStart, nEnd; // Start- und EndIndex
sal_uInt16 nElem; // Anzahl Elemente
};
class SW_DLLPUBLIC BigPtrArray
{
BlockInfo** ppInf; // Block-Infos
sal_uLong nSize; // Anzahl Elemente
sal_uInt16 nMaxBlock; // akt. max Anzahl Bloecke
sal_uInt16 nBlock; // Anzahl Bloecke
sal_uInt16 nCur; // letzter Block
sal_uInt16 Index2Block( sal_uLong ) const; // Blocksuche
BlockInfo* InsBlock( sal_uInt16 ); // Block einfuegen
void BlockDel( sal_uInt16 ); // es wurden Bloecke geloescht
void UpdIndex( sal_uInt16 ); // 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
sal_uInt16 Compress( short = COMPRESSLVL );
public:
BigPtrArray();
~BigPtrArray();
sal_uLong Count() const { return nSize; }
void Insert( const ElementPtr& r, sal_uLong pos );
void Remove( sal_uLong pos, sal_uLong n = 1 );
void Move( sal_uLong from, sal_uLong to );
void Replace( sal_uLong pos, const ElementPtr& r);
ElementPtr operator[]( sal_uLong ) const;
void ForEach( FnForEach fn, void* pArgs = NULL )
{
ForEach( 0, nSize, fn, pArgs );
}
void ForEach( sal_uLong nStart, sal_uLong nEnd, FnForEach fn, void* pArgs = NULL );
};
inline sal_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