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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_SOT_SOURCE_SDSTOR_STGDIR_HXX
+#define INCLUDED_SOT_SOURCE_SDSTOR_STGDIR_HXX
+
+#include "stgavl.hxx"
+#include "stgelem.hxx"
+#include "stgstrms.hxx"
+
+class StgIo;
+class StgDirStrm;
+
+class BaseStorageStream;
+class StgDirEntry : public StgAvlNode
+{
+ friend class StgIterator;
+ friend class StgDirStrm;
+ StgEntry m_aSave; // original dir entry
+ StgDirEntry* m_pUp; // parent directory
+ StgDirEntry* m_pDown; // child directory for storages
+ StgStrm* m_pStgStrm; // storage stream
+ StgTmpStrm* m_pTmpStrm; // temporary stream
+ StgTmpStrm* m_pCurStrm; // temp stream after commit
+ sal_Int32 m_nEntry; // entry # in TOC stream (temp)
+ sal_Int32 m_nPos; // current position
+ bool m_bDirty; // dirty directory entry
+ bool m_bRemoved; // removed per Invalidate()
+ void InitMembers(); // ctor helper
+ virtual sal_Int32 Compare( const StgAvlNode* ) const override;
+ 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 m_aEntry; // entry data
+ sal_Int32 m_nRefCnt; // reference count
+ StreamMode m_nMode; // open mode
+ bool m_bTemp; // true: delete on dir flush
+ bool m_bDirect; // true: direct mode
+ bool m_bZombie; // true: Removed From StgIo
+ bool m_bInvalid; // true: invalid entry
+ StgDirEntry(const void* pBuffer, sal_uInt32 nBufferLen,
+ sal_uInt64 nUnderlyingStreamSize, bool * pbOk);
+ explicit StgDirEntry( const StgEntry& );
+ virtual ~StgDirEntry() override;
+
+ void Invalidate( bool ); // invalidate all open entries
+ void Enum( sal_Int32& ); // enumerate entries for iteration
+ void DelTemp( bool ); // delete temporary entries
+ bool Store( StgDirStrm& ); // save entry into dir strm
+
+ void SetDirty() { m_bDirty = true; }
+ bool IsDirty();
+
+ bool Commit();
+
+ void OpenStream( StgIo& ); // set up an appropriate stream
+ void Close();
+ sal_Int32 GetSize() const;
+ bool SetSize( sal_Int32 );
+ sal_Int32 Seek( sal_Int32 );
+ sal_Int32 Read( void*, sal_Int32 );
+ sal_Int32 Write( const void*, sal_Int32 );
+ void Copy( BaseStorageStream& );
+};
+
+class StgDirStrm : public StgDataStrm
+{
+ friend class StgIterator;
+ StgDirEntry* m_pRoot; // root of dir tree
+ void SetupEntry( sal_Int32, StgDirEntry* );
+public:
+ explicit StgDirStrm( StgIo& );
+ virtual ~StgDirStrm() override;
+ virtual bool SetSize( sal_Int32 ) override; // change the size
+ bool Store();
+ void* GetEntry( sal_Int32 n, bool );// get an entry
+ StgDirEntry* GetRoot() { return m_pRoot; }
+ static StgDirEntry* Find( StgDirEntry&, const OUString& );
+ StgDirEntry* Create( StgDirEntry&, const OUString&, StgEntryType );
+};
+
+class StgIterator : public StgAvlIterator
+{
+public:
+ explicit StgIterator( StgDirEntry& rStg ) : StgAvlIterator( rStg.m_pDown ) {}
+ StgDirEntry* First() { return static_cast<StgDirEntry*>( StgAvlIterator::First() ); }
+ StgDirEntry* Next() { return static_cast<StgDirEntry*>( StgAvlIterator::Next() ); }
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */