| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the examples of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
| ** |
| ** "Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are |
| ** met: |
| ** * Redistributions of source code must retain the above copyright |
| ** notice, this list of conditions and the following disclaimer. |
| ** * Redistributions in binary form must reproduce the above copyright |
| ** notice, this list of conditions and the following disclaimer in |
| ** the documentation and/or other materials provided with the |
| ** distribution. |
| ** * Neither the name of The Qt Company Ltd nor the names of its |
| ** contributors may be used to endorse or promote products derived |
| ** from this software without specific prior written permission. |
| ** |
| ** |
| ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <QtCore> |
| |
| void parseHtmlFile(QTextStream &out, const QString &fileName) |
| { |
| QFile file(fileName); |
| |
| out << "Analysis of HTML file: " << fileName << Qt::endl; |
| |
| if (!file.open(QIODevice::ReadOnly)) { |
| out << " Couldn't open the file." << Qt::endl << Qt::endl << Qt::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() == QLatin1String("title")) |
| title = reader.readElementText(); |
| else if (reader.name() == QLatin1String("a")) |
| links.append(reader.attributes().value(QLatin1String("href")).toString()); |
| else if (reader.name() == QLatin1String("p")) |
| ++paragraphCount; |
| } |
| } |
| //! [1] |
| |
| //! [2] |
| if (reader.hasError()) { |
| out << " The HTML file isn't well-formed: " << reader.errorString() |
| << Qt::endl << Qt::endl << Qt::endl; |
| return; |
| } |
| //! [2] |
| |
| out << " Title: \"" << title << '"' << Qt::endl |
| << " Number of paragraphs: " << paragraphCount << Qt::endl |
| << " Number of links: " << links.size() << Qt::endl |
| << " Showing first few links:" << Qt::endl; |
| |
| while (links.size() > 5) |
| links.removeLast(); |
| |
| for (const QString &link : qAsConst(links)) |
| out << " " << link << Qt::endl; |
| out << Qt::endl << Qt::endl; |
| } |
| |
| int main(int argc, char **argv) |
| { |
| // initialize Qt Core application |
| QCoreApplication app(argc, argv); |
| |
| // get a list of all html files in the current directory |
| const QStringList filter = { QStringLiteral("*.htm"), |
| QStringLiteral("*.html") }; |
| |
| const QStringList htmlFiles = QDir(QStringLiteral(":/")).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 |
| for (const QString &file : htmlFiles) |
| parseHtmlFile(out, QStringLiteral(":/") + file); |
| |
| return 0; |
| } |