/************************************************************** * * 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 _BPARR_HXX #define _BPARR_HXX #include #include #include 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