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htmlexporter.h

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
** Copyright (C) 2007 Antonio Aloisio <gnuton@gnuton.org>
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef HTTP_EXPORTER_H
#define HTTP_EXPORTER_H

#include <QTextFrame>
#include <QList>

class QTextDocument;
class QTextBlock;
class QString;
class QTextFrameFormat;
class StyleMode;
class QTextTable;
class QTextCharFormat;
class QTextLength;

namespace KBlogger
{

class htmlExporter
{
public:
    htmlExporter();
    ~htmlExporter();
    QString toHtml( const QTextDocument* document );

private:
    enum StyleMode { EmitStyleTag, OmitStyleTag };
    enum tag { span = 0, h1, h2, h3, h4, h5, strong, em, s, u, code, sub, sup };

    void emitFrame(QTextFrame::Iterator frameIt);
    void emitTable(const QTextTable *table);
    void emitAttribute(const char *attribute, const QString &value);
    QList<tag>  emitCharFormatStyle(const QTextCharFormat &format);
    void emitTextLength(const char *attribute, const QTextLength &length);
    void emitAlignment(Qt::Alignment align);
    void emitFloatStyle(QTextFrameFormat::Position pos, StyleMode mode = EmitStyleTag);
    void emitMargins(const QString &top, const QString &bottom, const QString &left, const QString &right);
    void emitFragment(const QTextFragment &fragment);
    bool isOrderedList(int style);
    void emitBlockAttributes(const QTextBlock &block);
    void emitBlock(const QTextBlock &block);
    QTextFormat formatDifference(const QTextFormat &from, const QTextFormat &to);
    void sanitizeHtml();

    QString html;
    const QTextDocument* doc;
    QTextCharFormat defaultCharFormat;
};

}//namespace

#endif

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