1 files changed, 144 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/xml/prettyprint/main.cpp b/doc/codesnippets/doc/src/snippets/xml/prettyprint/main.cpp
new file mode 100644
index 000000000..33875ae28
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+++ b/doc/codesnippets/doc/src/snippets/xml/prettyprint/main.cpp
@@ -0,0 +1,144 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation 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.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** 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
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QCoreApplication>
+#include <QFile>
+#include <QHash>
+#include <QPair>
+#include <QStringList>
+#include <QTextStream>
+#include <QXmlStreamReader>
+
+/*
+    This class exists for the sole purpose of creating a translation context.
+ */
+class PrettyPrint
+{
+    Q_DECLARE_TR_FUNCTIONS(PrettyPrint)
+};
+
+int main(int argc, char *argv[])
+{
+    enum ExitCode
+    {
+        Success,
+        ParseFailure,
+        ArgumentError,
+        WriteError,
+        FileFailure
+    };
+
+    QCoreApplication app(argc, argv);
+
+    QTextStream errorStream(stderr);
+
+    if (argc != 2)
+    {
+        errorStream << PrettyPrint::tr(
+                       "Usage: prettyprint <path to XML file>\n");
+        return ArgumentError;
+    }
+
+    QString inputFilePath(QCoreApplication::arguments().at(1));
+    QFile inputFile(inputFilePath);
+
+    if (!QFile::exists(inputFilePath))
+    {
+        errorStream << PrettyPrint::tr(
+                       "File %1 does not exist.\n").arg(inputFilePath);
+        return FileFailure;
+
+    } else if (!inputFile.open(QIODevice::ReadOnly)) {
+        errorStream << PrettyPrint::tr(
+                       "Failed to open file %1.\n").arg(inputFilePath);
+        return FileFailure;
+    }
+
+    QFile outputFile;
+    if (!outputFile.open(stdout, QIODevice::WriteOnly))
+    {
+        QTextStream(stderr) << PrettyPrint::tr("Failed to open stdout.");
+        return WriteError;
+    }
+
+    QXmlStreamReader reader(&inputFile);
+    int indentation = 0;
+    QHash<int,QPair<int, int> > indentationStack;
+
+    while (!reader.atEnd())
+    {
+        reader.readNext();
+        if (reader.isStartElement()) {
+            indentationStack[indentation] = QPair<int,int>(
+                reader.lineNumber(), reader.columnNumber());
+            indentation += 1;
+        } else if (reader.isEndElement()) {
+            indentationStack.remove(indentation);
+            indentation -= 1;
+        }
+
+        if (reader.error())
+        {
+            errorStream << PrettyPrint::tr(
+                           "Error: %1 in file %2 at line %3, column %4.\n").arg(
+                               reader.errorString(), inputFilePath,
+                               QString::number(reader.lineNumber()),
+                               QString::number(reader.columnNumber()));
+            if (indentationStack.contains(indentation-1)) {
+                int line = indentationStack[indentation-1].first;
+                int column = indentationStack[indentation-1].second;
+                errorStream << PrettyPrint::tr(
+                               "Opened at line %1, column %2.\n").arg(
+                                   QString::number(line),
+                                   QString::number(column));
+            }
+            return ParseFailure;
+
+        } else if (reader.isStartElement() && !reader.name().isEmpty()) {
+            outputFile.write(QByteArray().fill(' ', indentation));
+            outputFile.write(reader.name().toString().toLocal8Bit());
+            outputFile.write(QString(" line %1, column %2\n").arg(
+                reader.lineNumber()).arg(reader.columnNumber()).toLocal8Bit());
+        }
+    }
+
+    return Success;
+}