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/****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
** $QT_END_LICENSE$
**
****************************************************************************/
/*
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;
}
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