|  | Home · All Classes · Main Classes · Grouped Classes · Modules · Functions |

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

     /****************************************************************************
     **
     ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 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 GNU
     ** General Public Licensing requirements will be met:
     ** http://www.trolltech.com/products/qt/opensource.html
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://www.trolltech.com/products/qt/licensing.html or contact the
     ** sales department at sales@trolltech.com.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #include <QCoreApplication>
     #include <QFile>
     #include <QStringList>
     #include <QTextStream>
     #include <QXmlStreamReader>

     /*!
      \short This class exists for the solve purpose of creating a translation context.
      */
     class XmlStreamLint
     {
     public:
         Q_DECLARE_TR_FUNCTIONS(XmlStreamLint);
     };

     int main(int argc, char *argv[])
     {
         enum ExitCode
         {
             Success,
             ParseFailure,
             ArgumentError,
             WriteError,
             FileFailure
         };

         QCoreApplication app(argc, argv);

         QTextStream errorStream(stderr);

         if (argc != 2)
         {
             errorStream << XmlStreamLint::tr(
                            "Usage: xmlstreamlint <path to XML file>\n");
             return ArgumentError;
         }

         QString inputFilePath(QCoreApplication::arguments().at(1));
         QFile inputFile(inputFilePath);

         if (!QFile::exists(inputFilePath))
         {
             errorStream << XmlStreamLint::tr(
                            "File %1 does not exist.\n").arg(inputFilePath);
             return FileFailure;

         } else if (!inputFile.open(QIODevice::ReadOnly)) {
             errorStream << XmlStreamLint::tr(
                            "Failed to open file %1.\n").arg(inputFilePath);
             return FileFailure;
         }

         QFile outputFile;
         if (!outputFile.open(stdout, QIODevice::WriteOnly))
         {
             errorStream << XmlStreamLint::tr("Failed to open stdout.");
             return WriteError;
         }

         QXmlStreamReader reader(&inputFile);
         QXmlStreamWriter writer(&outputFile);

         while (!reader.atEnd())
         {
             reader.readNext();

             if (reader.error())
             {
                 errorStream << XmlStreamLint::tr(
                                "Error: %1 in file %2 at line %3, column %4.\n").arg(
                                    reader.errorString(), inputFilePath,
                                    QString::number(reader.lineNumber()),
                                    QString::number(reader.columnNumber()));
                 return ParseFailure;

             } else
                 writer.writeCurrentToken(reader);
         }

         return Success;
     }