examples/xml/htmlinfo/main.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/xml/htmlinfo/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 <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;
+    }
+
+//! [0]
+    QXmlStreamReader reader(&file);
+//! [0]
+
+//! [1]
+    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;
+        }
+    }
+//! [1]
+
+//! [2]
+    if (reader.hasError()) {
+        out << "  The HTML file isn't well-formed: " << reader.errorString()
+            << endl << endl << endl;
+        return;
+    }
+//! [2]
+
+    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;
+}