Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef _PPTATOM_HXX_
      21             : #define _PPTATOM_HXX_
      22             : 
      23             : #include <svx/msdffdef.hxx>
      24             : #include <filter/msfilter/msdffimp.hxx>
      25             : 
      26             : class SvStream;
      27             : 
      28             : namespace ppt
      29             : {
      30             : 
      31             : class Atom
      32             : {
      33             : public:
      34             :     ~Atom();
      35             : 
      36             :     /** imports this atom and its child atoms */
      37             :     static Atom* import( const DffRecordHeader& rRootRecordHeader, SvStream& rStCtrl );
      38             : 
      39             :     inline const DffRecordHeader& getHeader() const;
      40             : 
      41             :     /** @return true if at least one atim with the given nRecType is found */
      42             :     inline bool hasChildAtom( sal_uInt16 nRecType ) const;
      43             : 
      44             :     /** @return the first child atom with nRecType or NULL */
      45             :     inline const Atom* findFirstChildAtom( sal_uInt16 nRecType ) const;
      46             : 
      47             :     /** @return the next child atom after pLast with nRecType or NULL */
      48             :     const Atom* findNextChildAtom( sal_uInt16 nRecType, const Atom* pLast ) const;
      49             : 
      50             :     /** @return the first child atom or NULL */
      51             :     inline const Atom* findFirstChildAtom() const;
      52             : 
      53             :     /** @return the next child atom after pLast or NULL */
      54             :     inline const Atom* findNextChildAtom( const Atom* pLast ) const;
      55             : 
      56             :     /** @return true if this atom is a container */
      57             :     inline bool isContainer() const;
      58             : 
      59             :     /** seeks to the contents of this atom */
      60             :     inline bool seekToContent() const;
      61             : 
      62             :     /** @return the record type */
      63             :     inline sal_uInt16 getType() const;
      64             : 
      65             :     /** @return the record instance */
      66             :     inline sal_uInt16 getInstance() const;
      67             : 
      68             :     /** @return the record length */
      69             :     inline sal_uInt32 getLength() const;
      70             : 
      71             : private:
      72             :     Atom( const DffRecordHeader& rRecordHeader, SvStream& rStCtrl );
      73             : 
      74             :     SvStream& mrStream;
      75             :     DffRecordHeader maRecordHeader;
      76             :     Atom* mpFirstChild;
      77             :     Atom* mpNextAtom;
      78             : };
      79             : 
      80           0 : inline bool Atom::hasChildAtom( sal_uInt16 nRecType ) const
      81             : {
      82           0 :     return findFirstChildAtom( nRecType ) != NULL;
      83             : }
      84             : 
      85           0 : inline const Atom* Atom::findFirstChildAtom( sal_uInt16 nRecType ) const
      86             : {
      87           0 :     return findNextChildAtom( nRecType, NULL );
      88             : }
      89             : 
      90             : inline const DffRecordHeader& Atom::getHeader() const
      91             : {
      92             :     return maRecordHeader;
      93             : }
      94             : 
      95           0 : inline const Atom* Atom::findFirstChildAtom() const
      96             : {
      97           0 :     return mpFirstChild;
      98             : }
      99             : 
     100           0 : inline const Atom* Atom::findNextChildAtom( const Atom* pLast ) const
     101             : {
     102           0 :     return pLast ? pLast->mpNextAtom : pLast;
     103             : }
     104             : 
     105           0 : inline bool Atom::isContainer() const
     106             : {
     107           0 :     return (bool)maRecordHeader.IsContainer();
     108             : }
     109             : 
     110           0 : inline bool Atom::seekToContent() const
     111             : {
     112           0 :     maRecordHeader.SeekToContent( mrStream );
     113           0 :     return mrStream.GetError() == 0;
     114             : }
     115             : 
     116           0 : inline sal_uInt16 Atom::getType() const
     117             : {
     118           0 :     return maRecordHeader.nRecType;
     119             : }
     120             : 
     121           0 : inline sal_uInt16 Atom::getInstance() const
     122             : {
     123           0 :     return maRecordHeader.nRecInstance;
     124             : }
     125             : 
     126           0 : inline sal_uInt32 Atom::getLength() const
     127             : {
     128           0 :     return maRecordHeader.nRecLen;
     129             : }
     130             : 
     131             : } // namespace ppt
     132             : 
     133             : #endif
     134             : 
     135             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */