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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights.  These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtGui>

#include "xmlwriter.h"

QDomDocument *XmlWriter::toXml()
{
    QDomImplementation implementation;
    QDomDocumentType docType = implementation.createDocumentType(
        "scribe-document", "scribe", "qt,nokia.com/scribe");

    document = new QDomDocument(docType);

    // ### This processing instruction is required to ensure that any kind
    // of encoding is given when the document is written.
    QDomProcessingInstruction process = document->createProcessingInstruction(
        "xml", "version=\"1.0\" encoding=\"utf-8\"");
    document->appendChild(process);

    QDomElement documentElement = document->createElement("document");
    document->appendChild(documentElement);

    QTextBlock firstBlock = textDocument->begin();
    createItems(documentElement, firstBlock);

    return document;
}

void XmlWriter::createItems(QDomElement &parent, const QTextBlock &block)
{
    QTextBlock currentBlock = block;

    while (currentBlock.isValid()) {
        QDomElement blockElement = document->createElement("block");
        blockElement.setAttribute("length", currentBlock.length());
        parent.appendChild(blockElement);

        if (!(currentBlock.text().isNull())) {
            QDomText textNode = document->createTextNode(currentBlock.text());
            blockElement.appendChild(textNode);
        }

        currentBlock = currentBlock.next();
    }
}