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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtDBus module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#ifndef QDBUSUTIL_H
#define QDBUSUTIL_H

#include <QtCore/qstring.h>
#include <QtCore/qvariant.h>

#include <QtDBus/qdbusmacros.h>
#include <QtDBus/qdbuserror.h>

#ifndef QT_NO_DBUS

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QDBusUtil
{
    Q_DBUS_EXPORT bool isValidInterfaceName(const QString &ifaceName);

    Q_DBUS_EXPORT bool isValidUniqueConnectionName(const QString &busName);

    Q_DBUS_EXPORT bool isValidBusName(const QString &busName);

    Q_DBUS_EXPORT bool isValidMemberName(const QString &memberName);

    Q_DBUS_EXPORT bool isValidErrorName(const QString &errorName);

    Q_DBUS_EXPORT bool isValidPartOfObjectPath(const QString &path);

    Q_DBUS_EXPORT bool isValidObjectPath(const QString &path);

    Q_DBUS_EXPORT bool isValidFixedType(int c);

    Q_DBUS_EXPORT bool isValidBasicType(int c);

    Q_DBUS_EXPORT bool isValidSignature(const QString &signature);

    Q_DBUS_EXPORT bool isValidSingleSignature(const QString &signature);

    Q_DBUS_EXPORT QString argumentToString(const QVariant &variant);

    enum AllowEmptyFlag {
        EmptyAllowed,
        EmptyNotAllowed
    };

    inline bool checkInterfaceName(const QString &name, AllowEmptyFlag empty, QDBusError *error)
    {
        if (name.isEmpty()) {
            if (empty == EmptyAllowed) return true;
            *error = QDBusError(QDBusError::InvalidInterface, QLatin1String("Interface name cannot be empty"));
            return false;
        }
        if (isValidInterfaceName(name)) return true;
        *error = QDBusError(QDBusError::InvalidInterface, QString::fromLatin1("Invalid interface class: %1").arg(name));
        return false;
    }

    inline bool checkBusName(const QString &name, AllowEmptyFlag empty, QDBusError *error)
    {
        if (name.isEmpty()) {
            if (empty == EmptyAllowed) return true;
            *error = QDBusError(QDBusError::InvalidService, QLatin1String("Service name cannot be empty"));
            return false;
        }
        if (isValidBusName(name)) return true;
        *error = QDBusError(QDBusError::InvalidService, QString::fromLatin1("Invalid service name: %1").arg(name));
        return false;
    }

    inline bool checkObjectPath(const QString &path, AllowEmptyFlag empty, QDBusError *error)
    {
        if (path.isEmpty()) {
            if (empty == EmptyAllowed) return true;
            *error = QDBusError(QDBusError::InvalidObjectPath, QLatin1String("Object path cannot be empty"));
            return false;
        }
        if (isValidObjectPath(path)) return true;
        *error = QDBusError(QDBusError::InvalidObjectPath, QString::fromLatin1("Invalid object path: %1").arg(path));
        return false;
    }

    inline bool checkMemberName(const QString &name, AllowEmptyFlag empty, QDBusError *error, const char *nameType = 0)
    {
        if (!nameType) nameType = "member";
        if (name.isEmpty()) {
            if (empty == EmptyAllowed) return true;
            *error = QDBusError(QDBusError::InvalidMember, QLatin1String(nameType) + QLatin1String(" name cannot be empty"));
            return false;
        }
        if (isValidMemberName(name)) return true;
        *error = QDBusError(QDBusError::InvalidMember, QString::fromLatin1("Invalid %1 name: %2")
                            .arg(QString::fromLatin1(nameType), name));
        return false;
    }

    inline bool checkErrorName(const QString &name, AllowEmptyFlag empty, QDBusError *error)
    {
        if (name.isEmpty()) {
            if (empty == EmptyAllowed) return true;
            *error = QDBusError(QDBusError::InvalidInterface, QLatin1String("Error name cannot be empty"));
            return false;
        }
        if (isValidErrorName(name)) return true;
        *error = QDBusError(QDBusError::InvalidInterface, QString::fromLatin1("Invalid error name: %1").arg(name));
        return false;
    }
}

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_DBUS
#endif