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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PatternistSDK_ErrorHandler_H
#define PatternistSDK_ErrorHandler_H
#include "Global.h"
#include "qabstractmessagehandler.h"
QT_BEGIN_NAMESPACE
template<typename T> class QList;
namespace QPatternistSDK
{
/**
* @short A MessageHandler which
* accumulates all its received ErrorHandler::Message instances
* in a list, retrievable via messages().
*
* Thus, ErrorHandler does not report errors, but collects them
* and allows easy access to them.
*
* @ingroup PatternistSDK
* @author Frans Englich <frans.englich@nokia.com>
*/
class ErrorHandler : public QAbstractMessageHandler
{
public:
class Message
{
public:
typedef QList<Message> List;
QString description() const
{
return m_description;
}
void setDescription(const QString &desc)
{
m_description = desc;
}
void setIdentifier(const QUrl &newId)
{
m_identifier = newId;
}
QUrl identifier() const
{
return m_identifier;
}
QtMsgType type() const
{
return m_type;
}
void setType(const QtMsgType t)
{
m_type = t;
}
private:
QUrl m_identifier;
QtMsgType m_type;
QString m_description;
};
/**
* Clears all accumulated errors.
*/
void reset();
Message::List messages() const;
/**
* Calling this function causes all Qt's internal debug messages to be
* sent to @p handler. If @p handler is @c null, Qt's default message
* handler is re-installed. In other words, via an internal proxy function,
* it installs @p handler as Qt's message handler.
*
* If @p handler is heap allocated, it will be leaked.
*
* @see qInstallMessageHandler()
*/
static void installQtMessageHandler(ErrorHandler *const handler);
static ErrorHandler *handler;
protected:
virtual void handleMessage(QtMsgType type,
const QString &description,
const QUrl &identifier = QUrl(),
const QSourceLocation &sourceLocation = QSourceLocation());
private:
ErrorHandler::Message::List m_messages;
};
}
QT_END_NAMESPACE
#endif
// vim: et:ts=4:sw=4:sts=4
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