/* -*- 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 .

 */

#ifndef INCLUDED_SW_INC_TXATRITR_HXX

#define INCLUDED_SW_INC_TXATRITR_HXX

#include <sal/types.h>

#include <editeng/langitem.hxx>

#include "swtypes.hxx"

#include <deque>

class SwTextNode;

class SwTextAttr;

class SwScriptIterator

{

    const OUString& m_rText;

    sal_Int32 m_nChgPos;

    sal_uInt16 m_nCurScript;

    bool m_bForward;

public:

    SwScriptIterator( const OUString& rStr, sal_Int32 nStart,

                      bool bFrwrd = true );

    void Next();

    sal_uInt16 GetCurrScript() const { return m_nCurScript; }

    sal_Int32 GetScriptChgPos() const { return (m_nChgPos == -1) ? COMPLETE_STRING : m_nChgPos; }

    const OUString& GetText() const { return m_rText; }

};

class SwLanguageIterator

{

    SwScriptIterator    m_aScriptIter;

    std::deque<const SwTextAttr*>

                        m_aStack;

    const SwTextNode&   m_rTextNode;

    const SvxLanguageItem* m_pParaItem;

    const SvxLanguageItem* m_pCurrentItem;

    size_t              m_nAttrPos;

    sal_Int32           m_nChgPos;

    void AddToStack( const SwTextAttr& rAttr );

    void SearchNextChg();

public:

    SwLanguageIterator( const SwTextNode& rTextNd, sal_Int32 nStart );

    bool               Next();

    sal_Int32          GetChgPos() const        { return m_nChgPos; }

    LanguageType       GetLanguage() const { return m_pCurrentItem->GetValue(); }

};

#endif

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