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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef TST_QCOMPAREHELPERS_WRAPPERTYPES_H
#define TST_QCOMPAREHELPERS_WRAPPERTYPES_H
#include <QtCore/qanystringview.h>
#include <QtCore/qcompare.h>
class IntWrapper
{
public:
// implicit constructor and operator int() to simulate the case that
// triggers a bug on MSVC < 19.36.
IntWrapper(int val) : m_val(val) {}
operator int() const noexcept { return m_val; }
int value() const { return m_val; }
private:
friend bool comparesEqual(const IntWrapper &lhs, const IntWrapper &rhs) noexcept
{ return lhs.m_val == rhs.m_val; }
friend Qt::strong_ordering
compareThreeWay(const IntWrapper &lhs, const IntWrapper &rhs) noexcept
{
return Qt::compareThreeWay(lhs.m_val, rhs.m_val);
}
friend bool comparesEqual(const IntWrapper &lhs, int rhs) noexcept
{ return lhs.m_val == rhs; }
friend Qt::strong_ordering compareThreeWay(const IntWrapper &lhs, int rhs) noexcept
{ return compareThreeWay(lhs, IntWrapper(rhs)); }
Q_DECLARE_STRONGLY_ORDERED(IntWrapper)
Q_DECLARE_STRONGLY_ORDERED(IntWrapper, int)
int m_val = 0;
};
class DoubleWrapper
{
public:
explicit DoubleWrapper(double val) : m_val(val) {}
double value() const { return m_val; }
private:
friend bool comparesEqual(const DoubleWrapper &lhs, const DoubleWrapper &rhs) noexcept
{ return lhs.m_val == rhs.m_val; }
friend Qt::partial_ordering
compareThreeWay(const DoubleWrapper &lhs, const DoubleWrapper &rhs) noexcept
{
return Qt::compareThreeWay(lhs.m_val, rhs.m_val);
}
friend bool comparesEqual(const DoubleWrapper &lhs, const IntWrapper &rhs) noexcept
{ return comparesEqual(lhs, DoubleWrapper(rhs.value())); }
friend Qt::partial_ordering
compareThreeWay(const DoubleWrapper &lhs, const IntWrapper &rhs) noexcept
{ return compareThreeWay(lhs, DoubleWrapper(rhs.value())); }
friend bool comparesEqual(const DoubleWrapper &lhs, double rhs) noexcept
{ return lhs.m_val == rhs; }
friend Qt::partial_ordering compareThreeWay(const DoubleWrapper &lhs, double rhs) noexcept
{
return Qt::compareThreeWay(lhs.m_val, rhs);
}
Q_DECLARE_PARTIALLY_ORDERED(DoubleWrapper)
Q_DECLARE_PARTIALLY_ORDERED(DoubleWrapper, IntWrapper)
Q_DECLARE_PARTIALLY_ORDERED(DoubleWrapper, double)
double m_val = 0.0;
};
template <typename String>
class StringWrapper
{
public:
explicit StringWrapper(String val) : m_val(val) {}
String value() const { return m_val; }
private:
static bool equalsHelper(QAnyStringView lhs, QAnyStringView rhs) noexcept
{ return QAnyStringView::compare(lhs, rhs, Qt::CaseInsensitive) == 0; }
static Qt::weak_ordering compareHelper(QAnyStringView lhs, QAnyStringView rhs) noexcept
{
const int res = QAnyStringView::compare(lhs, rhs, Qt::CaseInsensitive);
if (res < 0)
return Qt::weak_ordering::less;
else if (res > 0)
return Qt::weak_ordering::greater;
else
return Qt::weak_ordering::equivalent;
}
// Some of the helper functions are intentionally NOT marked as noexcept
// to test the conditional noexcept in the macros.
template <typename T>
friend bool comparesEqual(const StringWrapper<T> &lhs, const StringWrapper<T> &rhs) noexcept
{ return StringWrapper<T>::equalsHelper(lhs.m_val, rhs.m_val); }
template <typename T>
friend Qt::weak_ordering
compareThreeWay(const StringWrapper<T> &lhs, const StringWrapper<T> &rhs) noexcept
{ return StringWrapper<T>::compareHelper(lhs.m_val, rhs.m_val); }
template <typename T>
friend bool comparesEqual(const StringWrapper<T> &lhs, QAnyStringView rhs)
{ return StringWrapper<T>::equalsHelper(lhs.m_val, rhs); }
template <typename T>
friend Qt::weak_ordering compareThreeWay(const StringWrapper<T> &lhs, QAnyStringView rhs)
{ return StringWrapper<T>::compareHelper(lhs.m_val, rhs); }
Q_DECLARE_WEAKLY_ORDERED(StringWrapper)
Q_DECLARE_WEAKLY_ORDERED(StringWrapper, QAnyStringView)
String m_val;
};
#endif // TST_QCOMPAREHELPERS_WRAPPERTYPES_H
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