1 files changed, 93 insertions, 0 deletions
diff --git a/src/libs/utils/id.h b/src/libs/utils/id.h
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+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 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.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "utils_global.h"
+
+#include <QList>
+#include <QMetaType>
+#include <QString>
+
+QT_BEGIN_NAMESPACE
+class QDataStream;
+class QVariant;
+QT_END_NAMESPACE
+
+namespace Utils {
+
+class QTCREATOR_UTILS_EXPORT Id
+{
+public:
+    Id() = default;
+    Id(const char *name); // Good to use.
+    Id(const QLatin1String &) = delete;
+
+    Id withSuffix(int suffix) const;
+    Id withSuffix(const char *suffix) const;
+    Id withSuffix(const QString &suffix) const;
+    Id withPrefix(const char *prefix) const;
+
+    QByteArray name() const;
+    QString toString() const; // Avoid.
+    QVariant toSetting() const; // Good to use.
+    QString suffixAfter(Id baseId) const;
+    bool isValid() const { return m_id; }
+    bool operator==(Id id) const { return m_id == id.m_id; }
+    bool operator==(const char *name) const;
+    bool operator!=(Id id) const { return m_id != id.m_id; }
+    bool operator!=(const char *name) const { return !operator==(name); }
+    bool operator<(Id id) const { return m_id < id.m_id; }
+    bool operator>(Id id) const { return m_id > id.m_id; }
+    bool alphabeticallyBefore(Id other) const;
+
+    quintptr uniqueIdentifier() const { return m_id; } // Avoid.
+    static Id fromString(const QString &str); // FIXME: avoid.
+    static Id fromName(const QByteArray &ba); // FIXME: avoid.
+    static Id fromSetting(const QVariant &variant); // Good to use.
+
+    static Id versionedId(const QByteArray &prefix, int major, int minor = -1);
+
+    static QSet<Id> fromStringList(const QStringList &list);
+    static QStringList toStringList(const QSet<Id> &ids);
+
+private:
+    explicit Id(quintptr uid) : m_id(uid) {}
+
+    quintptr m_id = 0;
+};
+
+inline uint qHash(Id id) { return static_cast<uint>(id.uniqueIdentifier()); }
+
+} // namespace Utils
+
+Q_DECLARE_METATYPE(Utils::Id)
+Q_DECLARE_METATYPE(QList<Utils::Id>)
+
+QT_BEGIN_NAMESPACE
+QTCREATOR_UTILS_EXPORT QDataStream &operator<<(QDataStream &ds, Utils::Id id);
+QTCREATOR_UTILS_EXPORT QDataStream &operator>>(QDataStream &ds, Utils::Id &id);
+QTCREATOR_UTILS_EXPORT QDebug operator<<(QDebug dbg, const Utils::Id &id);
+QT_END_NAMESPACE