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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_SD_SOURCE_FILTER_PPT_PPTATOM_HXX
#define INCLUDED_SD_SOURCE_FILTER_PPT_PPTATOM_HXX
#include <svx/msdffdef.hxx>
#include <filter/msfilter/msdffimp.hxx>
class SvStream;
namespace ppt
{
class Atom
{
public:
~Atom();
/** imports this atom and its child atoms */
static Atom* import( const DffRecordHeader& rRootRecordHeader, SvStream& rStCtrl );
/** @return true if at least one atom with the given nRecType is found */
inline bool hasChildAtom( sal_uInt16 nRecType ) const;
/** @return the first child atom with nRecType or NULL */
inline const Atom* findFirstChildAtom( sal_uInt16 nRecType ) const;
/** @return the next child atom after pLast with nRecType or NULL */
const Atom* findNextChildAtom( sal_uInt16 nRecType, const Atom* pLast ) const;
/** @return the first child atom or NULL */
inline const Atom* findFirstChildAtom() const;
/** @return the next child atom after pLast or NULL */
static inline const Atom* findNextChildAtom( const Atom* pLast );
/** @return true if this atom is a container */
inline bool isContainer() const;
/** seeks to the contents of this atom */
inline bool seekToContent() const;
/** @return the record type */
inline sal_uInt16 getType() const;
/** @return the record instance */
inline sal_uInt16 getInstance() const;
/** @return the record length */
inline sal_uInt32 getLength() const;
private:
Atom( const DffRecordHeader& rRecordHeader, SvStream& rStCtrl );
SvStream& mrStream;
DffRecordHeader maRecordHeader;
Atom* mpFirstChild;
Atom* mpNextAtom;
};
inline bool Atom::hasChildAtom( sal_uInt16 nRecType ) const
{
return findFirstChildAtom( nRecType ) != nullptr;
}
inline const Atom* Atom::findFirstChildAtom( sal_uInt16 nRecType ) const
{
return findNextChildAtom( nRecType, nullptr );
}
inline const Atom* Atom::findFirstChildAtom() const
{
return mpFirstChild;
}
inline const Atom* Atom::findNextChildAtom( const Atom* pLast )
{
return pLast ? pLast->mpNextAtom : pLast;
}
inline bool Atom::isContainer() const
{
return maRecordHeader.IsContainer();
}
inline bool Atom::seekToContent() const
{
maRecordHeader.SeekToContent( mrStream );
return mrStream.GetError() == 0;
}
inline sal_uInt16 Atom::getType() const
{
return maRecordHeader.nRecType;
}
inline sal_uInt16 Atom::getInstance() const
{
return maRecordHeader.nRecInstance;
}
inline sal_uInt32 Atom::getLength() const
{
return maRecordHeader.nRecLen;
}
} // namespace ppt
#endif
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