1 files changed, 106 insertions, 0 deletions
diff --git a/sd/source/filter/ppt/pptatom.hxx b/sd/source/filter/ppt/pptatom.hxx
new file mode 100644
index 0000000000..55ee7f6874
--- /dev/null
+++ b/sd/source/filter/ppt/pptatom.hxx
@@ -0,0 +1,106 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <filter/msfilter/dffrecordheader.hxx>
+
+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() == ERRCODE_NONE;
+}
+
+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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */