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Diffstat (limited to 'src/libs/installer/installercalculator.h')
-rw-r--r-- | src/libs/installer/installercalculator.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/libs/installer/installercalculator.h b/src/libs/installer/installercalculator.h new file mode 100644 index 000000000..1552f94cc --- /dev/null +++ b/src/libs/installer/installercalculator.h @@ -0,0 +1,98 @@ +/************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Installer Framework. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** 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. +** +** +** $QT_END_LICENSE$ +** +**************************************************************************/ +#ifndef INSTALLERCALCULATOR_H +#define INSTALLERCALCULATOR_H + +#include "installer_global.h" + +#include <QHash> +#include <QList> +#include <QSet> +#include <QString> + +namespace QInstaller { + +class Component; + +class INSTALLER_EXPORT InstallerCalculator +{ +public: + InstallerCalculator(const QList<Component *> &allComponents); + + enum InstallReasonType + { + Automatic, // "Component(s) added as automatic dependencies" + Dependent, // "Added as dependency for %1." + Resolved, // "Component(s) that have resolved Dependencies" + Selected // "Selected Component(s) without Dependencies" + }; + + InstallReasonType installReasonType(Component *component) const; + QString installReasonReferencedComponent(Component *component) const; + QString installReason(Component *component) const; + QList<Component*> orderedComponentsToInstall() const; + QString componentsToInstallError() const; + + bool appendComponentsToInstall(const QList<Component*> &components); + +private: + void insertInstallReason(Component *component, + InstallReasonType installReasonType, + const QString &referencedComponentName = QString()); + void realAppendToInstallComponents(Component *component); + bool appendComponentToInstall(Component *components); + QString recursionError(Component *component); + + QList<Component*> m_allComponents; + QHash<Component*, QSet<Component*> > m_visitedComponents; + QSet<QString> m_toInstallComponentIds; //for faster lookups + QString m_componentsToInstallError; + //calculate installation order variables + QList<Component*> m_orderedComponentsToInstall; + //we can't use this reason hash as component id hash, because some reasons are ready before + //the component is added + QHash<QString, QPair<InstallReasonType, QString> > m_toInstallComponentIdReasonHash; +}; + +} + + +#endif // INSTALLERCALCULATOR_H |