Revision control
++ // Copyright (C) 2025 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
++ // Qt-Security score:significant reason:default
++
++ #ifndef QMETAASSOCIATION_H
++ #define QMETAASSOCIATION_H
++
++ #if 0
++ #pragma qt_class(QMetaAssociation)
++ #endif
++
++ #include <QtCore/qiterable.h>
++ #include <QtCore/qiterable_impl.h>
++ #include <QtCore/qmetacontainer.h>
++ #include <QtCore/qvariant.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QtMetaContainerPrivate {
++
++ class AssociativeIterator : public QIterator<QMetaAssociation>
++ {
++ public:
++ using key_type = QVariant;
++ using mapped_type = QVariant;
++ using reference = QVariant::Reference<AssociativeIterator>;
++ using pointer = QVariant::Pointer<AssociativeIterator>;
++
++ static constexpr bool CanNoexceptAssignQVariant = false;
++ static constexpr bool CanNoexceptConvertToQVariant = false;
++
++ AssociativeIterator(QIterator &&it) : QIterator(std::move(it)) {}
++
++ key_type key() const
++ {
++ const QMetaAssociation meta = metaContainer();
++ return QtIterablePrivate::retrieveElement(meta.keyMetaType(), [&](void *dataPtr) {
++ meta.keyAtIterator(constIterator(), dataPtr);
++ });
++ }
++ reference value() const { return operator*(); }
++
++ reference operator*() const { return reference(*this); }
++ pointer operator->() const { return pointer(*this); }
++ };
++
++ class AssociativeConstIterator : public QConstIterator<QMetaAssociation>
++ {
++ public:
++ using key_type = QVariant;
++ using mapped_type = QVariant;
++ using reference = QVariant::ConstReference<AssociativeConstIterator>;
++ using pointer = QVariant::ConstPointer<AssociativeConstIterator>;
++
++ static constexpr bool CanNoexceptConvertToQVariant = false;
++
++ AssociativeConstIterator(QConstIterator &&it) : QConstIterator(std::move(it)) {}
++
++ key_type key() const
++ {
++ const QMetaAssociation meta = metaContainer();
++ return QtIterablePrivate::retrieveElement(meta.keyMetaType(), [&](void *dataPtr) {
++ meta.keyAtConstIterator(constIterator(), dataPtr);
++ });
++ }
++
++ mapped_type value() const { return operator*(); }
++
++ mapped_type operator*() const;
++ pointer operator->() const { return pointer(*this); }
++ };
++
++ } // namespace QtMetaContainerPrivate
++
++ namespace QtPrivate {
++
++ template<typename Indirect>
++ QVariant associativeIteratorToVariant(const Indirect &referred)
++ {
++ const auto metaAssociation = referred.metaContainer();
++ const QMetaType metaType(metaAssociation.mappedMetaType());
++ if (metaType.isValid(QT6_CALL_NEW_OVERLOAD)) {
++ return QtIterablePrivate::retrieveElement(metaType, [&](void *dataPtr) {
++ metaAssociation.mappedAtConstIterator(referred.constIterator(), dataPtr);
++ });
++ }
++
++ return QtIterablePrivate::retrieveElement(metaType, [&](void *dataPtr) {
++ metaAssociation.keyAtConstIterator(referred.constIterator(), dataPtr);
++ });
++ }
++
++ } // namespace QtPrivate
++
++ template<>
++ inline QVariant::Reference<QtMetaContainerPrivate::AssociativeIterator>::operator QVariant() const
++ {
++ return QtPrivate::associativeIteratorToVariant(m_referred);
++ }
++
++ template<>
++ inline QVariant::Reference<QtMetaContainerPrivate::AssociativeIterator> &
++ QVariant::Reference<QtMetaContainerPrivate::AssociativeIterator>::operator=(const QVariant &value)
++ {
++ const auto metaAssociation = m_referred.metaContainer();
++ const QMetaType metaType(metaAssociation.mappedMetaType());
++ if (!metaType.isValid(QT6_CALL_NEW_OVERLOAD))
++ return *this;
++
++ QtPrivate::QVariantTypeCoercer coercer;
++ metaAssociation.setMappedAtIterator(
++ m_referred.constIterator(), coercer.coerce(value, metaType));
++ return *this;
++ }
++
++ template<>
++ inline QVariant::ConstReference<QtMetaContainerPrivate::AssociativeConstIterator>::operator QVariant() const
++ {
++ return QtPrivate::associativeIteratorToVariant(m_referred);
++ }
++
++ namespace QtMetaContainerPrivate {
++ inline AssociativeConstIterator::mapped_type AssociativeConstIterator::operator*() const
++ {
++ return reference(*this);
++ }
++
++ class Association : public QIterable<QMetaAssociation>
++ {
++ public:
++ using Iterator
++ = QTaggedIterator<AssociativeIterator, void>;
++ using RandomAccessIterator
++ = QTaggedIterator<AssociativeIterator, std::random_access_iterator_tag>;
++ using BidirectionalIterator
++ = QTaggedIterator<AssociativeIterator, std::bidirectional_iterator_tag>;
++ using ForwardIterator
++ = QTaggedIterator<AssociativeIterator, std::forward_iterator_tag>;
++ using InputIterator
++ = QTaggedIterator<AssociativeIterator, std::input_iterator_tag>;
++
++ using ConstIterator
++ = QTaggedIterator<AssociativeConstIterator, void>;
++ using RandomAccessConstIterator
++ = QTaggedIterator<AssociativeConstIterator, std::random_access_iterator_tag>;
++ using BidirectionalConstIterator
++ = QTaggedIterator<AssociativeConstIterator, std::bidirectional_iterator_tag>;
++ using ForwardConstIterator
++ = QTaggedIterator<AssociativeConstIterator, std::forward_iterator_tag>;
++ using InputConstIterator
++ = QTaggedIterator<AssociativeConstIterator, std::input_iterator_tag>;
++
++ using iterator = Iterator;
++ using const_iterator = ConstIterator;
++
++ template<class T>
++ Association(const T *p) : QIterable(QMetaAssociation::fromContainer<T>(), p) {}
++
++ template<class T>
++ Association(T *p) : QIterable(QMetaAssociation::fromContainer<T>(), p) {}
++
++ Association() : QIterable(QMetaAssociation(), nullptr) {}
++
++ template<typename Pointer>
++ Association(const QMetaAssociation &metaAssociation, Pointer iterable)
++ : QIterable(metaAssociation, iterable)
++ {
++ }
++
++ Association(const QMetaAssociation &metaAssociation, QMetaType metaType, void *iterable)
++ : QIterable(metaAssociation, metaType.alignOf(), iterable)
++ {
++ }
++
++ Association(const QMetaAssociation &metaAssociation, QMetaType metaType, const void *iterable)
++ : QIterable(metaAssociation, metaType.alignOf(), iterable)
++ {
++ }
++
++ Association(QIterable<QMetaAssociation> &&other)
++ : QIterable(std::move(other))
++ {}
++
++ Association &operator=(QIterable<QMetaAssociation> &&other)
++ {
++ QIterable::operator=(std::move(other));
++ return *this;
++ }
++
++ ConstIterator begin() const { return constBegin(); }
++ ConstIterator end() const { return constEnd(); }
++
++ ConstIterator constBegin() const { return ConstIterator(QIterable::constBegin()); }
++ ConstIterator constEnd() const { return ConstIterator(QIterable::constEnd()); }
++
++ Iterator mutableBegin() { return Iterator(QIterable::mutableBegin()); }
++ Iterator mutableEnd() { return Iterator(QIterable::mutableEnd()); }
++
++ ConstIterator find(const QVariant &key) const
++ {
++ const QMetaAssociation meta = metaContainer();
++ QtPrivate::QVariantTypeCoercer coercer;
++ if (const void *keyData = coercer.convert(key, meta.keyMetaType())) {
++ return ConstIterator(QConstIterator<QMetaAssociation>(
++ this, meta.createConstIteratorAtKey(constIterable(), keyData)));
++ }
++ return constEnd();
++ }
++
++ ConstIterator constFind(const QVariant &key) const { return find(key); }
++
++ Iterator mutableFind(const QVariant &key)
++ {
++ const QMetaAssociation meta = metaContainer();
++ QtPrivate::QVariantTypeCoercer coercer;
++ if (const void *keyData = coercer.convert(key, meta.keyMetaType()))
++ return Iterator(QIterator(this, meta.createIteratorAtKey(mutableIterable(), keyData)));
++ return mutableEnd();
++ }
++
++ bool containsKey(const QVariant &key) const
++ {
++ const QMetaAssociation meta = metaContainer();
++ QtPrivate::QVariantTypeCoercer keyCoercer;
++ if (const void *keyData = keyCoercer.convert(key, meta.keyMetaType()))
++ return meta.containsKey(constIterable(), keyData);
++ return false;
++ }
++
++ void insertKey(const QVariant &key)
++ {
++ const QMetaAssociation meta = metaContainer();
++ QtPrivate::QVariantTypeCoercer keyCoercer;
++ meta.insertKey(mutableIterable(), keyCoercer.coerce(key, meta.keyMetaType()));
++ }
++
++ void removeKey(const QVariant &key)
++ {
++ const QMetaAssociation meta = metaContainer();
++ QtPrivate::QVariantTypeCoercer keyCoercer;
++ meta.removeKey(mutableIterable(), keyCoercer.coerce(key, meta.keyMetaType()));
++ }
++
++ QVariant value(const QVariant &key) const
++ {
++ const QMetaAssociation meta = metaContainer();
++ return QtIterablePrivate::retrieveElement(meta.mappedMetaType(), [&](void *dataPtr) {
++ QtPrivate::QVariantTypeCoercer coercer;
++ meta.mappedAtKey(constIterable(), coercer.coerce(key, meta.keyMetaType()), dataPtr);
++ });
++ }
++
++ void setValue(const QVariant &key, const QVariant &mapped)
++ {
++ const QMetaAssociation meta = metaContainer();
++ QtPrivate::QVariantTypeCoercer keyCoercer;
++ QtPrivate::QVariantTypeCoercer mappedCoercer;
++ meta.setMappedAtKey(mutableIterable(), keyCoercer.coerce(key, meta.keyMetaType()),
++ mappedCoercer.coerce(mapped, meta.mappedMetaType()));
++ }
++ };
++
++ } // namespace QtMetaContainerPrivate
++
++ QT_END_NAMESPACE
++
++ #endif // QMETAASSOCIATION_H