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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.

*/

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;

}