|  | Home · All Classes · All Functions · Overviews

# main.cpp Example File
xml/htmlinfo/main.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:LGPL$
     ** Commercial Usage
     ** Licensees holding valid Qt Commercial licenses may use this file in
     ** accordance with the Qt Commercial License Agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and Nokia.
     **
     ** 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.
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
     ** met: http://www.gnu.org/copyleft/gpl.html.
     **
     ** If you have questions regarding the use of this file, please contact
     ** Nokia at qt-info@nokia.com.
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #include <QtCore>

     void parseHtmlFile(QTextStream &out, const QString &fileName) {
         QFile file(fileName);

         out << "Analysis of HTML file: " << fileName << endl;

         if (!file.open(QIODevice::ReadOnly)) {
             out << "  Couldn't open the file." << endl << endl << endl;
             return;
         }

         QXmlStreamReader reader(&file);

         int paragraphCount = 0;
         QStringList links;
         QString title;
         while (!reader.atEnd()) {
             reader.readNext();
             if (reader.isStartElement()) {
                 if (reader.name() == "title")
                     title = reader.readElementText();
                 else if(reader.name() == "a")
                     links.append(reader.attributes().value("href").toString());
                 else if(reader.name() == "p")
                     ++paragraphCount;
             }
         }

         if (reader.hasError()) {
             out << "  The HTML file isn't well-formed: " << reader.errorString()
                 << endl << endl << endl;
             return;
         }

         out << "  Title: \"" << title << "\"" << endl
             << "  Number of paragraphs: " << paragraphCount << endl
             << "  Number of links: " << links.size() << endl
             << "  Showing first few links:" << endl;

         while(links.size() > 5)
             links.removeLast();

         foreach(QString link, links)
             out << "    " << link << endl;
         out << endl << endl;
     }

     int main(int argc, char **argv)
     {
         // intialize QtCore application
         QCoreApplication app(argc, argv);

         // get a list of all html files in the current directory
         QStringList filter;
         filter << "*.htm";
         filter << "*.html";
         QStringList htmlFiles = QDir::current().entryList(filter, QDir::Files);

         QTextStream out(stdout);

         if (htmlFiles.isEmpty()) {
             out << "No html files available.";
             return 1;
         }

         // parse each html file and write the result to file/stream
         foreach(QString file, htmlFiles)
             parseHtmlFile(out, file);

         return 0;
     }