examples/xml/xmlstreamlint/main.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/xml/xmlstreamlint/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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;
+}