qt5base-lts/examples/xml/xmlstreamlint/main.cpp

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/****************************************************************************
**
** 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 <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;
}