diff options
Diffstat (limited to 'sot/source/sdstor/stgcache.hxx')
| -rw-r--r-- | sot/source/sdstor/stgcache.hxx | 48 |
1 files changed, 22 insertions, 26 deletions
diff --git a/sot/source/sdstor/stgcache.hxx b/sot/source/sdstor/stgcache.hxx index dc1d88d2c240..d556c5997590 100644 --- a/sot/source/sdstor/stgcache.hxx +++ b/sot/source/sdstor/stgcache.hxx @@ -40,24 +40,20 @@ typedef boost::unordered_map > IndexToStgPage; class StgCache { - StgPage* pCur; // top of LRU list - StgPage* pElem1; // top of ordered list - sal_uLong nError; // error code - sal_Int32 nPages; // size of data area in pages - sal_uInt16 nRef; // reference count + sal_uLong nError; // error code + sal_Int32 nPages; // size of data area in pages + sal_uInt16 nRef; // reference count IndexToStgPage maLRUCache; // hash of index to cached pages short nPageSize; // page size of the file UCBStorageStream* pStorageStream; // holds reference to UCB storage stream void Erase( StgPage* ); // delete a cache element - void InsertToLRU( StgPage* ); // insert into LRU list - void InsertToOrdered( StgPage* ); // insert into ordered list - StgPage* Create( sal_Int32 ); // create a cached page + StgPage* Create( sal_Int32 ); // create a cached page protected: SvStream* pStrm; // physical stream - sal_Bool bMyStream; // sal_True: delete stream in dtor - sal_Bool bFile; // sal_True: file stream - sal_Int32 Page2Pos( sal_Int32 ); // page address --> file position + sal_Bool bMyStream; // sal_True: delete stream in dtor + sal_Bool bFile; // sal_True: file stream + sal_Int32 Page2Pos( sal_Int32 ); // page address --> file position public: StgCache(); ~StgCache(); @@ -89,27 +85,26 @@ public: }; class StgPage { - friend class StgCache; - StgCache* pCache; // the cache - StgPage *pNext2, *pLast2; // ordered chain - sal_Int32 nPage; // page # - sal_uInt8* pData; // nPageSize characters - short nData; // size of this page - sal_Bool bDirty; // dirty flag - StgPage( StgCache*, short ); - ~StgPage(); + const sal_Int32 mnPage; // page index + sal_uInt8* mpData; // nSize bytes + short mnSize; // size of this page + bool mbDirty; // dirty flag public: - void SetDirty() { bDirty = sal_True; } - sal_Int32 GetPage() { return nPage; } - void* GetData() { return pData; } - short GetSize() { return nData; } + StgPage( short nData, sal_Int32 nPage ); + ~StgPage(); + + sal_Int32 GetPage() { return mnPage; } + void* GetData() { return mpData; } + short GetSize() { return mnSize; } + bool IsDirty() { return mbDirty; } + void SetDirty( bool bDirty ) { mbDirty = bDirty; } // routines for accessing FAT pages // Assume that the data is a FAT page and get/put FAT data. sal_Int32 GetPage( short nOff ) { - if( ( nOff >= (short) ( nData / sizeof( sal_Int32 ) ) ) || nOff < 0 ) + if( ( nOff >= (short) ( mnSize / sizeof( sal_Int32 ) ) ) || nOff < 0 ) return -1; - sal_Int32 n = ((sal_Int32*) pData )[ nOff ]; + sal_Int32 n = ((sal_Int32*) mpData )[ nOff ]; #ifdef OSL_BIGENDIAN return OSL_SWAPDWORD(n); #else @@ -117,6 +112,7 @@ public: #endif } void SetPage( short, sal_Int32 ); // put an element + static bool IsPageGreater( const StgPage *pA, const StgPage *pB ); }; #endif |