    /* -*- 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_SD_SOURCE_FILTER_PPT_PROPREAD_HXX
    #define INCLUDED_SD_SOURCE_FILTER_PPT_PROPREAD_HXX

    #include <map>
    #include <vector>
    #include <memory>

    #include <sal/types.h>
    #include <sot/storage.hxx>
    #include <tools/stream.hxx>

    // SummaryInformation
    #define PID_TITLE               0x02
    #define PID_SUBJECT             0x03
    #define PID_AUTHOR              0x04
    #define PID_KEYWORDS            0x05
    #define PID_COMMENTS            0x06
    #define PID_TEMPLATE            0x07
    #define PID_LASTAUTHOR          0x08
    #define PID_REVNUMBER           0x09
    #define PID_CREATE_DTM          0x0c

    // DocumentSummaryInformation
    #define PID_SLIDECOUNT          0x07
    #define PID_HEADINGPAIR         0x0c
    #define PID_DOCPARTS            0x0d

    #define VT_EMPTY            0
    #define VT_NULL             1
    #define VT_I2               2
    #define VT_I4               3
    #define VT_R4               4
    #define VT_R8               5
    #define VT_CY               6
    #define VT_DATE             7
    #define VT_BSTR             8
    #define VT_UI4              9
    #define VT_ERROR            10
    #define VT_BOOL             11
    #define VT_VARIANT          12
    #define VT_DECIMAL          14
    #define VT_I1               16
    #define VT_UI1              17
    #define VT_UI2              18
    #define VT_I8               20
    #define VT_UI8              21
    #define VT_INT              22
    #define VT_UINT             23
    #define VT_LPSTR            30
    #define VT_LPWSTR           31
    #define VT_FILETIME         64
    #define VT_BLOB             65
    #define VT_STREAM           66
    #define VT_STORAGE          67
    #define VT_STREAMED_OBJECT  68
    #define VT_STORED_OBJECT    69
    #define VT_BLOB_OBJECT      70
    #define VT_CF               71
    #define VT_CLSID            72
    #define VT_VECTOR           0x1000
    #define VT_ARRAY            0x2000
    #define VT_BYREF            0x4000
    #define VT_TYPEMASK         0xFFF

    typedef std::map<OUString,sal_uInt32> Dictionary;

    struct PropEntry
    {
        sal_uInt32                    mnId;
        sal_uInt32                    mnSize;
        std::unique_ptr<sal_uInt8[]>  mpBuf;

        PropEntry( sal_uInt32 nId, const sal_uInt8* pBuf, sal_uInt32 nBufSize );
        PropEntry( const PropEntry& rProp );

        PropEntry& operator=(const PropEntry& rPropEntry);
    };

    class PropItem : public SvMemoryStream
    {
        sal_uInt16      mnTextEnc;

    public:
        PropItem()
            : mnTextEnc(RTL_TEXTENCODING_DONTKNOW)
        {
        }
        void            Clear();

        void            SetTextEncoding( sal_uInt16 nTextEnc ){ mnTextEnc = nTextEnc; };
        bool            Read( OUString& rString, sal_uInt32 nType = VT_EMPTY, bool bDwordAlign = true );
        PropItem&       operator=( PropItem& rPropItem );
    };

    class Section final
    {
            sal_uInt16              mnTextEnc;
            std::vector<std::unique_ptr<PropEntry> > maEntries;

            sal_uInt8                   aFMTID[ 16 ];

            void                    AddProperty( sal_uInt32 nId, const sal_uInt8* pBuf, sal_uInt32 nBufSize );

        public:
                                    explicit Section( const sal_uInt8* pFMTID );
                                    Section( const Section& rSection );

            Section&                operator=( const Section& rSection );
            bool                    GetProperty( sal_uInt32 nId, PropItem& rPropItem );
            void                    GetDictionary( Dictionary& rDict );
            const sal_uInt8*        GetFMTID() const { return aFMTID; };
            void                    Read( SotStorageStream* pStrm );
    };

    class PropRead
    {
            bool                mbStatus;
            tools::SvRef<SotStorageStream>      mpSvStream;

            sal_uInt16              mnByteOrder;
            sal_uInt8               mApplicationCLSID[ 16 ];
            std::vector<std::unique_ptr<Section> > maSections;

        public:
                                    PropRead( SotStorage& rSvStorage, const OUString& rName );

            PropRead&               operator=( const PropRead& rPropRead );
            const Section*          GetSection( const sal_uInt8* pFMTID );
            bool                    IsValid() const { return mbStatus; };
            void                    Read();
    };

    #endif

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V690 The 'PropRead' class implements the '=' operator, but lacks a copy constructor. It is dangerous to use such a class.