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/***************************************************************************************************
Copyright (C) 2023 The Qt Company Ltd.
SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
***************************************************************************************************/
#pragma once
#include "qdotnethostfxr.h"
#ifdef __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wconversion"
#endif
#include <QChar>
#include <QString>
#ifdef __GNUC__
# pragma GCC diagnostic pop
#endif
// Format of parameter info field
// 63......................31...........15............0
// |------ ARRAYLENGTH -----|--- FLAGS --|--- TYPE ---|
constexpr auto TYPE_OFFSET = 0;
constexpr auto TYPE_SIZE = 16;
constexpr auto FLAGS_OFFSET = TYPE_OFFSET + TYPE_SIZE;
constexpr auto FLAGS_SIZE = 16;
constexpr auto FLAGS_IN_BIT = 0;
constexpr auto FLAGS_OUT_BIT = 1;
constexpr auto FLAGS_ARRAY_BIT = 2;
constexpr auto FLAGS_FIXEDLENGTH_BIT = 3;
constexpr auto FLAGS_WEAKREF_BIT = 4;
constexpr auto ARRAYLENGTH_OFFSET = FLAGS_OFFSET + FLAGS_SIZE;
constexpr auto ARRAYLENGTH_SIZE = 32;
template<typename T1, typename T2>
constexpr auto MASK(T1 value, T2 size)
{
return static_cast<quint64>(value) & ((static_cast<quint64>(1) << size) - 1);
}
template <typename T1, typename T2>
constexpr auto FLAG(T1 condition, T2 offset)
{
return (condition ? static_cast<quint64>(1) : static_cast<quint64>(0)) << offset;
}
struct QDotNetParameter
{
const QChar* typeName = nullptr;
quint64 paramInfo;
enum class Template
{
ObjectRef = MASK(UnmanagedType::ObjectRef, TYPE_SIZE) << TYPE_OFFSET
| FLAG(false, FLAGS_WEAKREF_BIT) << FLAGS_OFFSET,
ObjectWeakRef = MASK(UnmanagedType::ObjectRef, TYPE_SIZE) << TYPE_OFFSET
| FLAG(true, FLAGS_WEAKREF_BIT) << FLAGS_OFFSET,
};
QDotNetParameter(const char *typeName, Template paramTemplate)
: QDotNetParameter(QString(typeName), paramTemplate)
{}
QDotNetParameter(const QString &typeName, Template paramTemplate)
: QDotNetParameter(typeName)
{
paramInfo = static_cast<quint64>(paramTemplate);
}
QDotNetParameter(UnmanagedType unmanagedType = UnmanagedType::ObjectRef,
bool isIn = false, bool isOut = false, bool isArray = false,
bool isFixedLength = false, qint32 arrayLength = 0, bool isWeakRef = false)
: QDotNetParameter(QString{}, unmanagedType, isIn, isOut, isArray, isFixedLength,
arrayLength, isWeakRef)
{}
QDotNetParameter(const char *typeName, UnmanagedType unmanagedType = UnmanagedType::ObjectRef,
bool isIn = false, bool isOut = false, bool isArray = false,
bool isFixedLength = false, qint32 arrayLength = 0, bool isWeakRef = false)
: QDotNetParameter(QString(typeName),
unmanagedType, isIn, isOut, isArray, isFixedLength, arrayLength, isWeakRef)
{}
QDotNetParameter(const QString &typeName,
UnmanagedType unmanagedType = UnmanagedType::ObjectRef,bool isIn = false,
bool isOut = false, bool isArray = false, bool isFixedLength = false,
qint32 arrayLength = 0, bool isWeakRef = false)
{
this->typeName = typeName.constData();
paramInfo = MASK(unmanagedType, TYPE_SIZE) << TYPE_OFFSET;
paramInfo |= FLAG(isIn, FLAGS_IN_BIT) << FLAGS_OFFSET;
paramInfo |= FLAG(isOut, FLAGS_OUT_BIT) << FLAGS_OFFSET;
paramInfo |= FLAG(isArray, FLAGS_ARRAY_BIT) << FLAGS_OFFSET;
paramInfo |= FLAG(isFixedLength, FLAGS_FIXEDLENGTH_BIT) << FLAGS_OFFSET;
paramInfo |= FLAG(isWeakRef, FLAGS_WEAKREF_BIT) << FLAGS_OFFSET;
paramInfo |= MASK(arrayLength, ARRAYLENGTH_SIZE) << ARRAYLENGTH_OFFSET;
}
static const QDotNetParameter &String;
};
inline const QDotNetParameter &QDotNetParameter::String = QDotNetParameter(
QStringLiteral("Qt.DotNet.StringMarshaler, Qt.DotNet.Adapter, CleanUp=false"),
UnmanagedType::CustomMarshaler);
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