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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef Patternist_ValidationError_H
#define Patternist_ValidationError_H
#include "qitem_p.h"
#include "qreportcontext_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Used for signalling casting errors.
*
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_xdm
*/
class ValidationError : public AtomicValue
{
public:
typedef QExplicitlySharedDataPointer<ValidationError> Ptr;
/**
* Creates a ValidationError instance that represents a type error.
*
* @param description A detailed description of what that made the cast fail,
* if any. If @c null, which QString() creates, a generic message
* will be used.
*/
static AtomicValue::Ptr createError(const QString &description = QString(),
const ReportContext::ErrorCode = ReportContext::FORG0001);
/**
* A human readable, translated message describing the error.
*/
QString message() const;
/**
* @returns always @c true
*/
virtual bool hasError() const;
/**
* Always results in an assert crash.
*/
virtual ItemType::Ptr type() const;
/**
* Always results in an assert crash.
*/
virtual QString stringValue() const;
/**
* @returns the error code this ValidationError represents. Typically, this
* is ReportContext::FORG0001.
*/
ReportContext::ErrorCode errorCode() const;
protected:
ValidationError(const QString &msg, const ReportContext::ErrorCode code);
const QString m_message;
const ReportContext::ErrorCode m_code;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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