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main.cpp

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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.
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** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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**
** 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
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#include <QCoreApplication>
#include <QFile>
#include <QStringList>
#include <QTextStream>
#include <QXmlStreamReader>

/*
 This class exists for the sole purpose of creating a translation context.
*/
00051 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;
    }

//! [0]
    QXmlStreamReader reader(&inputFile);
    QXmlStreamWriter writer(&outputFile);
//! [0]

//! [1]
    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;
//! [1]

//! [2]
        } else
            writer.writeCurrentToken(reader);
    }
//! [2]

    return Success;
}

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