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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * Version: MPL 1.1 / GPLv3+ / LGPLv3+
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License or as specified alternatively below. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Major Contributor(s):
 * Copyright (C) 2011 Lubos Lunak <l.lunak@suse.cz> (initial developer)
 *
 * All Rights Reserved.
 *
 * For minor contributions see the git repository.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
 * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
 * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
 * instead of those above.
 */

#ifndef SM_OOXMLIMPORT_HXX
#define SM_OOXMLIMPORT_HXX

#include <oox/export/starmathimport.hxx>

#include "node.hxx"

/**
 Class implementing reading of formulas from OOXML. The toplevel element is expected
 to be oMath (handle oMathPara outside of this code).
 */
class SmOoxmlImport
{
public:
    SmOoxmlImport( ooxmlformulaimport::XmlStream& stream );
    rtl::OUString ConvertToStarMath();
private:
    rtl::OUString handleStream();
    rtl::OUString handleF();
    rtl::OUString readR();
    /**
     Checks that the next token is the given opening tag, if not, writes out a warning
     and tries to recover (skips tags until found or until the current element would end).
    */
    void checkOpeningTag( int token );
    /**
     Checks that the next token is the given opening tag, if not, writes out a warning
     and tries to recover (skips tags until found or until the current element would end).
    */
    void checkClosingTag( int token );
    // helper for the two above
    void checkTag( int token, const char* txt );
    /**
     Tries to find the given token, until either found (returns true) or end of current element.
    */
    bool recoverAndFindTag( int token );
    /**
     Skips the given element (i.e. reads up to and including the matching closing tag).
    */
    void skipElement( int token );
    /**
     Handle the current (unexpected) tag.
    */
    void handleUnexpectedTag();
    ooxmlformulaimport::XmlStream& stream;
};

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */