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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef QQMLJSANNOTATION_P_H
#define QQMLJSANNOTATION_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#include <QtCore/qglobal.h>
#include <QtCore/qhash.h>
#include <variant>
QT_BEGIN_NAMESPACE
struct QQQmlJSDeprecation
{
QString reason;
};
struct QQmlJSAnnotation
{
using Value = std::variant<QString, double>;
QString name;
QHash<QString, Value> bindings;
bool isDeprecation() const;
QQQmlJSDeprecation deprecation() const;
friend bool operator==(const QQmlJSAnnotation &a, const QQmlJSAnnotation &b) {
return a.name == b.name &&
a.bindings == b.bindings;
}
friend bool operator!=(const QQmlJSAnnotation &a, const QQmlJSAnnotation &b) {
return !(a == b);
}
friend size_t qHash(const QQmlJSAnnotation &annotation, size_t seed = 0)
{
QtPrivate::QHashCombine combine;
seed = combine(seed, annotation.name);
for (auto it = annotation.bindings.constBegin(); it != annotation.bindings.constEnd(); ++it) {
size_t h = combine(seed, it.key());
// use + to keep the result independent of the ordering of the keys
const auto &var = it.value();
if (var.index() == std::variant_npos)
continue;
if (std::holds_alternative<double>(var))
seed += combine(h, std::get<double>(var));
else if (std::holds_alternative<QString>(var))
seed += combine(h, std::get<QString>(var));
else
Q_UNREACHABLE();
}
return seed;
}
};
QT_END_NAMESPACE
#endif // QQMLJSANNOTATION_P_H
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