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Diffstat (limited to 'sot/source/sdstor/stgdir.hxx')
| -rw-r--r-- | sot/source/sdstor/stgdir.hxx | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/sot/source/sdstor/stgdir.hxx b/sot/source/sdstor/stgdir.hxx new file mode 100644 index 000000000000..44b1614a590f --- /dev/null +++ b/sot/source/sdstor/stgdir.hxx @@ -0,0 +1,170 @@ +/************************************************************************* + * + * $RCSfile: stgdir.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:56:51 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _STGDIR_HXX +#define _STGDIR_HXX + +#ifndef _STGAVL_HXX +#include "stgavl.hxx" +#endif +#ifndef _STGELEM_HXX +#include "stgelem.hxx" +#endif +#ifndef _STGSTRMS_HXX +#include "stgstrms.hxx" +#endif + +class StgIo; +class StgEntry; +class StgDirEntry; +class StgDirStrm; + +class StgDirEntry : public StgAvlNode +{ + friend class StgIterator; + friend class StgDirStrm; + StgEntry aSave; // original dir entry + StgDirEntry* pUp; // parent directory + StgDirEntry* pDown; // child directory for storages + StgDirEntry** ppRoot; // root of TOC tree + StgStrm* pStgStrm; // storage stream + StgTmpStrm* pTmpStrm; // temporary stream + StgTmpStrm* pCurStrm; // temp stream after commit + INT32 nEntry; // entry # in TOC stream (temp) + INT32 nPos; // current position + BOOL bDirty; // dirty directory entry + BOOL bCreated; // newly created entry + BOOL bRemoved; // removed per Invalidate() + BOOL bRenamed; // renamed + void InitMembers(); // ctor helper + virtual short Compare( const StgAvlNode* ) const; + BOOL StoreStream( StgIo& ); // store the stream + BOOL StoreStreams( StgIo& ); // store all streams + void RevertAll(); // revert the whole tree + BOOL Strm2Tmp(); // copy stgstream to temp file + BOOL Tmp2Strm(); // copy temp file to stgstream +public: + StgEntry aEntry; // entry data + INT32 nRefCnt; // reference count + StreamMode nMode; // open mode + BOOL bTemp; // TRUE: delete on dir flush + BOOL bDirect; // TRUE: direct mode + BOOL bZombie; // TRUE: Removed From StgIo + BOOL bInvalid; // TRUE: invalid entry + StgDirEntry( const void*, BOOL * pbOk ); + StgDirEntry( const StgEntry& ); + ~StgDirEntry(); + + void Invalidate( BOOL=FALSE ); // invalidate all open entries + void Enum( INT32& ); // enumerate entries for iteration + void DelTemp( BOOL ); // delete temporary entries + BOOL Store( StgDirStrm& ); // save entry into dir strm + BOOL IsContained( StgDirEntry* ); // check if subentry + + void SetDirty() { bDirty = TRUE; } + BOOL IsDirty(); + void ClearDirty(); + + BOOL Commit(); + BOOL Revert(); + + void OpenStream( StgIo&, BOOL=FALSE ); // set up an approbiate stream + void Close(); + INT32 GetSize(); + BOOL SetSize( INT32 ); + INT32 Seek( INT32 ); + INT32 Tell() { return nPos; } + INT32 Read( void*, INT32 ); + INT32 Write( const void*, INT32 ); + void Copy( StgDirEntry& ); +}; + +class StgDirStrm : public StgDataStrm +{ + friend class StgIterator; + StgDirEntry* pRoot; // root of dir tree + short nEntries; // entries per page + void SetupEntry( INT32, StgDirEntry* ); +public: + StgDirStrm( StgIo& ); + ~StgDirStrm(); + virtual BOOL SetSize( INT32 ); // change the size + BOOL Store(); + void* GetEntry( INT32 n, BOOL=FALSE );// get an entry + StgDirEntry* GetRoot() { return pRoot; } + StgDirEntry* Find( StgDirEntry&, const String& ); + StgDirEntry* Create( StgDirEntry&, const String&, StgEntryType ); + BOOL Remove( StgDirEntry&, const String& ); + BOOL Rename( StgDirEntry&, const String&, const String& ); + BOOL Move( StgDirEntry&, StgDirEntry&, const String& ); +}; + +class StgIterator : public StgAvlIterator +{ +public: + StgIterator( StgDirEntry& rStg ) : StgAvlIterator( rStg.pDown ) {} + StgDirEntry* First() { return (StgDirEntry*) StgAvlIterator::First(); } + StgDirEntry* Next() { return (StgDirEntry*) StgAvlIterator::Next(); } + StgDirEntry* Last() { return (StgDirEntry*) StgAvlIterator::Last(); } + StgDirEntry* Prev() { return (StgDirEntry*) StgAvlIterator::Prev(); } +}; + +#endif |