Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 111 insertions, 0 deletions

diff --git a/sot/source/sdstor/stgdir.hxx b/sot/source/sdstor/stgdir.hxx
new file mode 100644
index 000000000..3605c27ac
--- /dev/null
+++ b/sot/source/sdstor/stgdir.hxx
@@ -0,0 +1,111 @@
+/* -*- 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: */