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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#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