src/qconfig/feature.h


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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications 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 FEATURE_H
#define FEATURE_H

#include <QString>
#include <QStringList>
#include <QMap>
#include <QSet>
#include <QList>

QT_BEGIN_NAMESPACE

class Feature;

class FeaturePrivate
{
public:
    FeaturePrivate(const QString &k)
        : key(k), enabled(true), selectable(true) {};

    const QString key;
    QString section;
    QString title;
    QString description;
    QSet<Feature*> dependencies;
    QSet<Feature*> supports; // features who depends on this one
    QSet<Feature*> relations;
    bool enabled;
    bool selectable;
};

class Feature : public QObject
{
    Q_OBJECT

public:
    static Feature* getInstance(const QString &key);
    static void clear();

public:
    QString key() const { return d->key; }

    void setTitle(const QString &title);
    QString title() const { return d->title; }

    void setSection(const QString &section);
    QString section() const { return d->section; }

    void setDescription(const QString &description);
    QString description() const { return d->description; };

    void addRelation(const QString &key);
    void setRelations(const QStringList &keys);
    QList<Feature*> relations() const;

    void addDependency(const QString &dependency);
    void setDependencies(const QStringList &dependencies);
    QList<Feature*> dependencies() const;

    QList<Feature*> supports() const;
    QString getDocumentation() const;

    void setEnabled(bool on);
    bool enabled() const { return d->enabled; };

    bool selectable() const { return d->selectable; }

    QString toHtml() const;

    ~Feature();

signals:
    void changed();

private:
    Feature(const QString &key);
    void updateSelectable();

    static QMap<QString, Feature*> instances;
    FeaturePrivate *d;
};

QT_END_NAMESPACE

#endif // FEATURE_H