main.cpp Example Filexml/htmlinfo/main.cpp/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 Nokia Corporation and its Subsidiary(-ies) 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 << 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) { // initialize 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(":/").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; } |