--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/xml/simpleparse/handler.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** 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 documentation 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+handler.cpp
+
+Provides a handler for processing XML elements found by the reader.
+
+The handler stores the names of elements it finds and their indentation
+levels. The indentation level is initially set to zero.
+When a starting element is found, the indentation level is increased;
+when an ending element is found, the indentation level is decreased.
+*/
+
+#include <QDebug>
+#include "handler.h"
+
+/*!
+    Reset the state of the handler to ensure that new documents are
+    read correctly.
+
+    We return true to indicate that parsing should continue.
+*/
+
+bool Handler::startDocument()
+{
+    elementName.clear();
+    elementIndentation.clear();
+    indentationLevel = 0;
+
+    return true;
+}
+
+/*!
+    Process each starting element in the XML document.
+
+    Append the element name to the list of elements found; add its
+    corresponding indentation level to the list of indentation levels.
+
+    Increase the level of indentation by one column.
+
+    We return true to indicate that parsing should continue.
+*/
+
+bool Handler::startElement(const QString &, const QString &,
+    const QString & qName, const QXmlAttributes &)
+{
+    elementName.append(qName);
+    elementIndentation.append(indentationLevel);
+    indentationLevel += 1;
+
+    return true;
+}
+
+/*!
+    Process each ending element in the XML document.
+
+    Decrease the level of indentation by one column.
+
+    We return true to indicate that parsing should continue.
+*/
+
+bool Handler::endElement(const QString &, const QString &,
+    const QString &)
+{
+    indentationLevel -= 1;
+
+    return true;
+}
+
+/*!
+    Report a fatal parsing error, and return false to indicate to the reader
+    that parsing should stop.
+*/
+
+bool Handler::fatalError (const QXmlParseException & exception)
+{
+    qWarning() << QString("Fatal error on line %1, column %2: %3").arg(
+        exception.lineNumber()).arg(exception.columnNumber()).arg(
+        exception.message());
+
+    return false;
+}
+
+/*!
+    Return the list of element names found.
+*/
+
+QStringList& Handler::names ()
+{
+    return elementName;
+}
+
+/*!
+    Return the list of indentations used for each element found.
+*/
+
+QList<int>& Handler::indentations ()
+{
+    return elementIndentation;
+}