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Diffstat (limited to 'sd/source/filter/ppt/pptatom.hxx')
-rw-r--r-- | sd/source/filter/ppt/pptatom.hxx | 106 |
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 000000000..55ee7f687 --- /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: */ |