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*
* Licensed to the Apache Software Foundation (ASF) under one
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* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
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*
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#ifndef _PPTATOM_HXX_
#define _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 );
inline const DffRecordHeader& getHeader() const;
/** returns true if at least one atim with the given nRecType is found */
inline bool hasChildAtom( sal_uInt16 nRecType ) const;
/** returns the first child atom with nRecType or NULL */
inline const Atom* findFirstChildAtom( sal_uInt16 nRecType ) const;
/** returns the next child atom after pLast with nRecType or NULL */
const Atom* findNextChildAtom( sal_uInt16 nRecType, const Atom* pLast ) const;
/** returns the first child atom or NULL */
inline const Atom* findFirstChildAtom() const;
/** returns the next child atom after pLast or NULL */
inline const Atom* findNextChildAtom( const Atom* pLast ) const;
/** returns true if this atom is a container */
inline bool isContainer() const;
/** seeks to the contents of this atom */
inline bool seekToContent() const;
/** returns the record type */
inline sal_uInt16 getType() const;
/** returns the record instance */
inline sal_uInt16 getInstance() const;
/** returns 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 ) != NULL;
}
inline const Atom* Atom::findFirstChildAtom( sal_uInt16 nRecType ) const
{
return findNextChildAtom( nRecType, NULL );
}
inline const DffRecordHeader& Atom::getHeader() const
{
return maRecordHeader;
}
inline const Atom* Atom::findFirstChildAtom() const
{
return mpFirstChild;
}
inline const Atom* Atom::findNextChildAtom( const Atom* pLast ) const
{
return pLast ? pLast->mpNextAtom : pLast;
}
inline bool Atom::isContainer() const
{
return (bool)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