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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef FEATUREMANAGER_H
#define FEATUREMANAGER_H
#include "core_global.h"
#include <coreplugin/id.h>
#include <QObject>
#include <QSet>
#include <QStringList>
namespace Utils {
class AbstractMacroExpander;
}
namespace Core {
class CORE_EXPORT FeatureSet;
class CORE_EXPORT IFeatureProvider : public QObject
{
Q_OBJECT
public:
IFeatureProvider() {}
virtual ~IFeatureProvider() {}
virtual FeatureSet availableFeatures(const QString &platform) const = 0;
virtual QStringList availablePlatforms() const = 0;
virtual QString displayNameForPlatform(const QString &string) const = 0;
};
class CORE_EXPORT Feature : public Id
{
friend class FeatureSet;
public:
Feature(const char *name) : Id(name) {}
explicit Feature(const QString &name) : Id(name) {}
};
class CORE_EXPORT FeatureSet : private QSet<Feature>
{
public:
FeatureSet() {}
FeatureSet(const Feature &feature)
{
if (feature.toString().isEmpty())
return;
insert(feature);
}
FeatureSet(const FeatureSet &other) : QSet<Feature>(other) {}
FeatureSet &operator=(const FeatureSet &other)
{
QSet<Feature>::operator=(other);
return *this;
}
bool contains(const Feature &feature) const
{
return QSet<Feature>::contains(feature);
}
bool contains(const FeatureSet &features) const
{
return QSet<Feature>::contains(features);
}
void remove(const Feature &feature)
{
QSet<Feature>::remove(feature);
}
FeatureSet operator|(const Feature &feature) const
{
FeatureSet copy = *this;
if (feature.isValid())
copy.insert(feature);
return copy;
}
FeatureSet operator|(const FeatureSet &features) const
{
FeatureSet copy = *this;
if (!features.isEmpty())
copy.unite(features);
return copy;
}
FeatureSet &operator|=(const Feature &feature)
{
if (feature.isValid())
insert(feature);
return *this;
}
FeatureSet &operator|=(const FeatureSet &features)
{
if (!features.isEmpty())
unite(features);
return *this;
}
QStringList toStringList() const
{
QStringList stringList;
foreach (const Feature &feature, QSet<Feature>(*this))
stringList.append(feature.toString());
return stringList;
}
};
} // namespace Core
/*
The following operators have to be defined in the global namespace!
Otherwise "using namespace Core" would hide other | operators
defined in the global namespace (e. g. QFlags).
*/
inline Core::FeatureSet operator |(Core::Feature feature1, Core::Feature feature2)
{ return Core::FeatureSet(feature1) | feature2; }
inline Core::FeatureSet operator|(Core::Feature feature1, Core::FeatureSet feature2)
{ return feature2 | feature1; }
#endif // FEATUREANAGER_H
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