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/* -*- 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 .
*/
#ifndef INCLUDED_SVL_SOURCE_INC_POOLIO_HXX
#define INCLUDED_SVL_SOURCE_INC_POOLIO_HXX
#include <svl/SfxBroadcaster.hxx>
#include <deque>
#include <memory>
#include <unordered_map>
#include <vector>
class SfxPoolItem;
class SfxItemPoolUser;
#ifndef DELETEZ
#define DELETEZ(pPtr) { delete pPtr; pPtr = 0; }
#endif
static const sal_uInt32 SFX_ITEMS_DIRECT = 0xffffffff;
static const sal_uInt32 SFX_ITEMS_NULL = 0xfffffff0; // instead StoreSurrogate
static const sal_uInt32 SFX_ITEMS_DEFAULT = 0xfffffffe;
struct SfxPoolVersion_Impl
{
sal_uInt16 _nVer;
sal_uInt16 _nStart, _nEnd;
const sal_uInt16* _pMap;
SfxPoolVersion_Impl( sal_uInt16 nVer, sal_uInt16 nStart, sal_uInt16 nEnd,
const sal_uInt16 *pMap )
: _nVer( nVer ),
_nStart( nStart ),
_nEnd( nEnd ),
_pMap( pMap )
{}
SfxPoolVersion_Impl( const SfxPoolVersion_Impl &rOrig )
: _nVer( rOrig._nVer ),
_nStart( rOrig._nStart ),
_nEnd( rOrig._nEnd ),
_pMap( rOrig._pMap )
{}
};
typedef std::shared_ptr< SfxPoolVersion_Impl > SfxPoolVersion_ImplPtr;
/**
* This array contains a set of SfxPoolItems, if those items are
* poolable then each item has a unique set of properties, and we
* often search linearly to ensure uniqueness. If they are
* non-poolable we maintain an (often large) list of pointers.
*/
struct SfxPoolItemArray_Impl
{
typedef std::vector<sal_uInt32> FreeList;
typedef std::unordered_map<SfxPoolItem*,sal_uInt32> PoolItemPtrToIndexMap;
private:
std::vector<SfxPoolItem*> maPoolItemVector;
public:
/// Track list of indices into our array that contain an empty slot
FreeList maFree;
/// Hash of SfxPoolItem pointer to index into our array that contains that slot
PoolItemPtrToIndexMap maPtrToIndex;
SfxPoolItemArray_Impl () {}
SfxPoolItem*& operator[](size_t n) {return maPoolItemVector[n];}
std::vector<SfxPoolItem*>::iterator begin() {return maPoolItemVector.begin();}
std::vector<SfxPoolItem*>::iterator end() {return maPoolItemVector.end();}
/// clear array of PoolItem variants after all PoolItems are deleted
/// or all ref counts are decreased
void clear();
size_t size() const {return maPoolItemVector.size();}
void push_back(SfxPoolItem* pItem) {maPoolItemVector.push_back(pItem);}
/// re-build the list of free slots and hash from clean
void SVL_DLLPUBLIC ReHash();
};
struct SfxItemPool_Impl
{
SfxBroadcaster aBC;
std::vector<SfxPoolItemArray_Impl*> maPoolItems;
std::vector<SfxItemPoolUser*> maSfxItemPoolUsers; /// ObjectUser section
OUString aName;
std::vector<SfxPoolItem*> maPoolDefaults;
SfxPoolItem** ppStaticDefaults;
SfxItemPool* mpMaster;
SfxItemPool* mpSecondary;
sal_uInt16* mpPoolRanges;
std::deque< SfxPoolVersion_ImplPtr > aVersions;
sal_uInt16 mnStart;
sal_uInt16 mnEnd;
sal_uInt16 mnFileFormatVersion;
sal_uInt16 nVersion;
sal_uInt16 nLoadingVersion;
sal_uInt16 nInitRefCount; // 1, during load, may be 2
sal_uInt16 nVerStart, nVerEnd; // WhichRange in versions
sal_uInt16 nStoringStart, nStoringEnd; // Range to be saved
sal_uInt8 nMajorVer, nMinorVer; // The Pool itself
MapUnit eDefMetric;
bool bInSetItem;
bool bStreaming; // in Load() or Store()
bool mbPersistentRefCounts;
SfxItemPool_Impl( SfxItemPool* pMaster, const OUString& rName, sal_uInt16 nStart, sal_uInt16 nEnd )
: maPoolItems(nEnd - nStart + 1)
, aName(rName)
, maPoolDefaults(nEnd - nStart + 1)
, ppStaticDefaults(nullptr)
, mpMaster(pMaster)
, mpSecondary(nullptr)
, mpPoolRanges(nullptr)
, mnStart(nStart)
, mnEnd(nEnd)
, mnFileFormatVersion(0)
, nVersion(0)
, nLoadingVersion(0)
, nInitRefCount(0)
, nVerStart(0)
, nVerEnd(0)
, nStoringStart(0)
, nStoringEnd(0)
, nMajorVer(0)
, nMinorVer(0)
, eDefMetric(MAP_CM)
, bInSetItem(false)
, bStreaming(false)
, mbPersistentRefCounts(false)
{
DBG_ASSERT(mnStart, "Start-Which-Id must be greater 0" );
}
~SfxItemPool_Impl()
{
DeleteItems();
}
void DeleteItems()
{
for (auto pPoolItemArray : maPoolItems)
delete pPoolItemArray;
maPoolItems.clear();
maPoolDefaults.clear();
delete[] mpPoolRanges;
mpPoolRanges = nullptr;
}
void readTheItems(SvStream & rStream, sal_uInt32 nCount, sal_uInt16 nVersion,
SfxPoolItem * pDefItem, SfxPoolItemArray_Impl ** pArr);
// unit testing
friend class PoolItemTest;
static SfxItemPool_Impl *GetImpl(SfxItemPool *pPool) { return pPool->pImpl.get(); }
};
#define SFX_ITEMPOOL_VER_MAJOR sal_uInt8(2)
#define SFX_ITEMPOOL_VER_MINOR sal_uInt8(0)
#define SFX_ITEMPOOL_TAG_STARTPOOL_4 sal_uInt16(0x1111)
#define SFX_ITEMPOOL_TAG_STARTPOOL_5 sal_uInt16(0xBBBB)
#define SFX_ITEMPOOL_TAG_TRICK4OLD sal_uInt16(0xFFFF)
#define SFX_ITEMPOOL_REC sal_uInt8(0x01)
#define SFX_ITEMPOOL_REC_HEADER sal_uInt8(0x10)
#define SFX_ITEMPOOL_REC_VERSIONMAP sal_uInt16(0x0020)
#define SFX_ITEMPOOL_REC_WHICHIDS sal_uInt16(0x0030)
#define SFX_ITEMPOOL_REC_ITEMS sal_uInt16(0x0040)
#define SFX_ITEMPOOL_REC_DEFAULTS sal_uInt16(0x0050)
/** Read in a Unicode string from a streamed byte string representation.
@param rStream Some (input) stream. Its Stream/TargetCharSets must
be set to correct values!
@return On success, returns the reconstructed Unicode string.
*/
OUString readByteString(SvStream & rStream);
/** Write a byte string representation of a Unicode string into a stream.
@param rStream Some (output) stream. Its Stream/TargetCharSets must
be set to correct values!
@param rString Some Unicode string.
*/
void writeByteString(SvStream & rStream, const OUString& rString);
/** Read in a Unicode string from either a streamed Unicode or byte string
representation.
@param rStream Some (input) stream. If bUnicode is false, its
Stream/TargetCharSets must be set to correct values!
@param bUnicode Whether to read in a stream Unicode (true) or byte
string (false) representation.
@return On success, returns the reconstructed Unicode string.
*/
OUString readUnicodeString(SvStream & rStream, bool bUnicode);
/** Write a Unicode string representation of a Unicode string into a
stream.
@param rStream Some (output) stream.
@param rString Some Unicode string.
*/
void writeUnicodeString(SvStream & rStream, const OUString& rString);
#endif // INCLUDED_SVL_SOURCE_INC_POOLIO_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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