1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/**************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 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, const QString &version = QString());
bool appendComponentToInstall(Component *components, const QString &version = QString());
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
|