1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski #ifndef _STGDIR_HXX 25*b1cdbd2cSJim Jagielski #define _STGDIR_HXX 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include "stgavl.hxx" 28*b1cdbd2cSJim Jagielski #include "stgelem.hxx" 29*b1cdbd2cSJim Jagielski #include "stgstrms.hxx" 30*b1cdbd2cSJim Jagielski 31*b1cdbd2cSJim Jagielski class StgIo; 32*b1cdbd2cSJim Jagielski class StgEntry; 33*b1cdbd2cSJim Jagielski class StgDirEntry; 34*b1cdbd2cSJim Jagielski class StgDirStrm; 35*b1cdbd2cSJim Jagielski 36*b1cdbd2cSJim Jagielski class BaseStorageStream; 37*b1cdbd2cSJim Jagielski class StgDirEntry : public StgAvlNode 38*b1cdbd2cSJim Jagielski { 39*b1cdbd2cSJim Jagielski friend class StgIterator; 40*b1cdbd2cSJim Jagielski friend class StgDirStrm; 41*b1cdbd2cSJim Jagielski StgEntry aSave; // original dir entry 42*b1cdbd2cSJim Jagielski StgDirEntry* pUp; // parent directory 43*b1cdbd2cSJim Jagielski StgDirEntry* pDown; // child directory for storages 44*b1cdbd2cSJim Jagielski StgDirEntry** ppRoot; // root of TOC tree 45*b1cdbd2cSJim Jagielski StgStrm* pStgStrm; // storage stream 46*b1cdbd2cSJim Jagielski StgTmpStrm* pTmpStrm; // temporary stream 47*b1cdbd2cSJim Jagielski StgTmpStrm* pCurStrm; // temp stream after commit 48*b1cdbd2cSJim Jagielski sal_Int32 nEntry; // entry # in TOC stream (temp) 49*b1cdbd2cSJim Jagielski sal_Int32 nPos; // current position 50*b1cdbd2cSJim Jagielski sal_Bool bDirty; // dirty directory entry 51*b1cdbd2cSJim Jagielski sal_Bool bCreated; // newly created entry 52*b1cdbd2cSJim Jagielski sal_Bool bRemoved; // removed per Invalidate() 53*b1cdbd2cSJim Jagielski sal_Bool bRenamed; // renamed 54*b1cdbd2cSJim Jagielski void InitMembers(); // ctor helper 55*b1cdbd2cSJim Jagielski virtual short Compare( const StgAvlNode* ) const; 56*b1cdbd2cSJim Jagielski sal_Bool StoreStream( StgIo& ); // store the stream 57*b1cdbd2cSJim Jagielski sal_Bool StoreStreams( StgIo& ); // store all streams 58*b1cdbd2cSJim Jagielski void RevertAll(); // revert the whole tree 59*b1cdbd2cSJim Jagielski sal_Bool Strm2Tmp(); // copy stgstream to temp file 60*b1cdbd2cSJim Jagielski sal_Bool Tmp2Strm(); // copy temp file to stgstream 61*b1cdbd2cSJim Jagielski public: 62*b1cdbd2cSJim Jagielski StgEntry aEntry; // entry data 63*b1cdbd2cSJim Jagielski sal_Int32 nRefCnt; // reference count 64*b1cdbd2cSJim Jagielski StreamMode nMode; // open mode 65*b1cdbd2cSJim Jagielski sal_Bool bTemp; // sal_True: delete on dir flush 66*b1cdbd2cSJim Jagielski sal_Bool bDirect; // sal_True: direct mode 67*b1cdbd2cSJim Jagielski sal_Bool bZombie; // sal_True: Removed From StgIo 68*b1cdbd2cSJim Jagielski sal_Bool bInvalid; // sal_True: invalid entry 69*b1cdbd2cSJim Jagielski StgDirEntry( const void* pBuffer, sal_uInt32 nBufferLen, sal_Bool * pbOk ); 70*b1cdbd2cSJim Jagielski StgDirEntry( const StgEntry& ); 71*b1cdbd2cSJim Jagielski ~StgDirEntry(); 72*b1cdbd2cSJim Jagielski 73*b1cdbd2cSJim Jagielski void Invalidate( sal_Bool=sal_False ); // invalidate all open entries 74*b1cdbd2cSJim Jagielski void Enum( sal_Int32& ); // enumerate entries for iteration 75*b1cdbd2cSJim Jagielski void DelTemp( sal_Bool ); // delete temporary entries 76*b1cdbd2cSJim Jagielski sal_Bool Store( StgDirStrm& ); // save entry into dir strm 77*b1cdbd2cSJim Jagielski sal_Bool IsContained( StgDirEntry* ); // check if subentry 78*b1cdbd2cSJim Jagielski SetDirty()79*b1cdbd2cSJim Jagielski void SetDirty() { bDirty = sal_True; } 80*b1cdbd2cSJim Jagielski sal_Bool IsDirty(); 81*b1cdbd2cSJim Jagielski void ClearDirty(); 82*b1cdbd2cSJim Jagielski 83*b1cdbd2cSJim Jagielski sal_Bool Commit(); 84*b1cdbd2cSJim Jagielski sal_Bool Revert(); 85*b1cdbd2cSJim Jagielski 86*b1cdbd2cSJim Jagielski void OpenStream( StgIo&, sal_Bool=sal_False ); // set up an approbiate stream 87*b1cdbd2cSJim Jagielski void Close(); 88*b1cdbd2cSJim Jagielski sal_Int32 GetSize(); 89*b1cdbd2cSJim Jagielski sal_Bool SetSize( sal_Int32 ); 90*b1cdbd2cSJim Jagielski sal_Int32 Seek( sal_Int32 ); Tell()91*b1cdbd2cSJim Jagielski sal_Int32 Tell() { return nPos; } 92*b1cdbd2cSJim Jagielski sal_Int32 Read( void*, sal_Int32 ); 93*b1cdbd2cSJim Jagielski sal_Int32 Write( const void*, sal_Int32 ); 94*b1cdbd2cSJim Jagielski void Copy( StgDirEntry& ); 95*b1cdbd2cSJim Jagielski void Copy( BaseStorageStream& ); 96*b1cdbd2cSJim Jagielski }; 97*b1cdbd2cSJim Jagielski 98*b1cdbd2cSJim Jagielski class StgDirStrm : public StgDataStrm 99*b1cdbd2cSJim Jagielski { 100*b1cdbd2cSJim Jagielski friend class StgIterator; 101*b1cdbd2cSJim Jagielski StgDirEntry* pRoot; // root of dir tree 102*b1cdbd2cSJim Jagielski short nEntries; // entries per page 103*b1cdbd2cSJim Jagielski void SetupEntry( 104*b1cdbd2cSJim Jagielski const sal_Int32 n, 105*b1cdbd2cSJim Jagielski StgDirEntry* pUpper, 106*b1cdbd2cSJim Jagielski const sal_Int32 nEntryCount, 107*b1cdbd2cSJim Jagielski const sal_Int32 nDepth); 108*b1cdbd2cSJim Jagielski public: 109*b1cdbd2cSJim Jagielski StgDirStrm( StgIo& ); 110*b1cdbd2cSJim Jagielski ~StgDirStrm(); 111*b1cdbd2cSJim Jagielski virtual sal_Bool SetSize( sal_Int32 ); // change the size 112*b1cdbd2cSJim Jagielski sal_Bool Store(); 113*b1cdbd2cSJim Jagielski void* GetEntry( sal_Int32 n, sal_Bool=sal_False );// get an entry GetRoot()114*b1cdbd2cSJim Jagielski StgDirEntry* GetRoot() { return pRoot; } 115*b1cdbd2cSJim Jagielski StgDirEntry* Find( StgDirEntry&, const String& ); 116*b1cdbd2cSJim Jagielski StgDirEntry* Create( StgDirEntry&, const String&, StgEntryType ); 117*b1cdbd2cSJim Jagielski sal_Bool Remove( StgDirEntry&, const String& ); 118*b1cdbd2cSJim Jagielski sal_Bool Rename( StgDirEntry&, const String&, const String& ); 119*b1cdbd2cSJim Jagielski sal_Bool Move( StgDirEntry&, StgDirEntry&, const String& ); 120*b1cdbd2cSJim Jagielski }; 121*b1cdbd2cSJim Jagielski 122*b1cdbd2cSJim Jagielski class StgIterator : public StgAvlIterator 123*b1cdbd2cSJim Jagielski { 124*b1cdbd2cSJim Jagielski public: StgIterator(StgDirEntry & rStg)125*b1cdbd2cSJim Jagielski StgIterator( StgDirEntry& rStg ) : StgAvlIterator( rStg.pDown ) {} First()126*b1cdbd2cSJim Jagielski StgDirEntry* First() { return (StgDirEntry*) StgAvlIterator::First(); } Next()127*b1cdbd2cSJim Jagielski StgDirEntry* Next() { return (StgDirEntry*) StgAvlIterator::Next(); } Last()128*b1cdbd2cSJim Jagielski StgDirEntry* Last() { return (StgDirEntry*) StgAvlIterator::Last(); } Prev()129*b1cdbd2cSJim Jagielski StgDirEntry* Prev() { return (StgDirEntry*) StgAvlIterator::Prev(); } 130*b1cdbd2cSJim Jagielski }; 131*b1cdbd2cSJim Jagielski 132*b1cdbd2cSJim Jagielski #endif 133