diff options
Diffstat (limited to 'src/corelib/kernel/qmetacontainer.h')
| -rw-r--r-- | src/corelib/kernel/qmetacontainer.h | 1005 |
1 files changed, 775 insertions, 230 deletions
diff --git a/src/corelib/kernel/qmetacontainer.h b/src/corelib/kernel/qmetacontainer.h index 1f7771a0bc..a873bb2106 100644 --- a/src/corelib/kernel/qmetacontainer.h +++ b/src/corelib/kernel/qmetacontainer.h @@ -43,10 +43,16 @@ #include <QtCore/qcontainerinfo.h> #include <QtCore/qflags.h> #include <QtCore/qglobal.h> -#include <QtCore/qmetatype.h> QT_BEGIN_NAMESPACE +class QMetaType; +namespace QtPrivate { +class QMetaTypeInterface; +template<typename T> +constexpr QMetaTypeInterface *qMetaTypeInterfaceForType(); +} + namespace QtMetaContainerPrivate { enum IteratorCapability : quint8 { @@ -68,31 +74,18 @@ enum AddRemoveCapability : quint8 { Q_DECLARE_FLAGS(AddRemoveCapabilities, AddRemoveCapability) Q_DECLARE_OPERATORS_FOR_FLAGS(AddRemoveCapabilities) -class QMetaSequenceInterface +class QMetaContainerInterface { public: enum Position : quint8 { AtBegin, AtEnd, Unspecified }; - - ushort revision; + ushort revision = 0; IteratorCapabilities iteratorCapabilities; - QMetaType valueMetaType; - AddRemoveCapabilities addRemoveCapabilities; using SizeFn = qsizetype(*)(const void *); SizeFn sizeFn; using ClearFn = void(*)(void *); ClearFn clearFn; - using ValueAtIndexFn = void(*)(const void *, qsizetype, void *); - ValueAtIndexFn valueAtIndexFn; - using SetValueAtIndexFn = void(*)(void *, qsizetype, const void *); - SetValueAtIndexFn setValueAtIndexFn; - - using AddValueFn = void(*)(void *, const void *, Position); - AddValueFn addValueFn; - using RemoveValueFn = void(*)(void *, Position); - RemoveValueFn removeValueFn; - using CreateIteratorFn = void *(*)(void *, Position); CreateIteratorFn createIteratorFn; using DestroyIteratorFn = void(*)(const void *); @@ -105,30 +98,153 @@ public: AdvanceIteratorFn advanceIteratorFn; using DiffIteratorFn = qsizetype(*)(const void *, const void *); DiffIteratorFn diffIteratorFn; + + using CreateConstIteratorFn = void *(*)(const void *, Position); + CreateConstIteratorFn createConstIteratorFn; + DestroyIteratorFn destroyConstIteratorFn; + CompareIteratorFn compareConstIteratorFn; + CopyIteratorFn copyConstIteratorFn; + AdvanceIteratorFn advanceConstIteratorFn; + DiffIteratorFn diffConstIteratorFn; + + QMetaContainerInterface() = default; + + template<typename MetaContainer> + QMetaContainerInterface(const MetaContainer &) + : iteratorCapabilities(MetaContainer::getIteratorCapabilities()) + , sizeFn(MetaContainer::getSizeFn()) + , clearFn(MetaContainer::getClearFn()) + , createIteratorFn(MetaContainer::getCreateIteratorFn()) + , destroyIteratorFn(MetaContainer::getDestroyIteratorFn()) + , compareIteratorFn(MetaContainer::getCompareIteratorFn()) + , copyIteratorFn(MetaContainer::getCopyIteratorFn()) + , advanceIteratorFn(MetaContainer::getAdvanceIteratorFn()) + , diffIteratorFn(MetaContainer::getDiffIteratorFn()) + , createConstIteratorFn(MetaContainer::getCreateConstIteratorFn()) + , destroyConstIteratorFn(MetaContainer::getDestroyConstIteratorFn()) + , compareConstIteratorFn(MetaContainer::getCompareConstIteratorFn()) + , copyConstIteratorFn(MetaContainer::getCopyConstIteratorFn()) + , advanceConstIteratorFn(MetaContainer::getAdvanceConstIteratorFn()) + , diffConstIteratorFn(MetaContainer::getDiffConstIteratorFn()) + {} +}; + +class QMetaSequenceInterface : public QMetaContainerInterface +{ +public: + QtPrivate::QMetaTypeInterface *valueMetaType; + AddRemoveCapabilities addRemoveCapabilities; + + using ValueAtIndexFn = void(*)(const void *, qsizetype, void *); + ValueAtIndexFn valueAtIndexFn; + using SetValueAtIndexFn = void(*)(void *, qsizetype, const void *); + SetValueAtIndexFn setValueAtIndexFn; + + using AddValueFn = void(*)(void *, const void *, Position); + AddValueFn addValueFn; + using RemoveValueFn = void(*)(void *, Position); + RemoveValueFn removeValueFn; + using ValueAtIteratorFn = void(*)(const void *, void *); ValueAtIteratorFn valueAtIteratorFn; using SetValueAtIteratorFn = void(*)(const void *, const void *); SetValueAtIteratorFn setValueAtIteratorFn; using InsertValueAtIteratorFn = void(*)(void *, const void *, const void *); InsertValueAtIteratorFn insertValueAtIteratorFn; + + ValueAtIteratorFn valueAtConstIteratorFn; + using EraseValueAtIteratorFn = void(*)(void *, const void *); EraseValueAtIteratorFn eraseValueAtIteratorFn; + using EraseRangeAtIteratorFn = void(*)(void *, const void *, const void *); EraseRangeAtIteratorFn eraseRangeAtIteratorFn; - using CreateConstIteratorFn = void *(*)(const void *, Position); - CreateConstIteratorFn createConstIteratorFn; - DestroyIteratorFn destroyConstIteratorFn; - CompareIteratorFn compareConstIteratorFn; - CopyIteratorFn copyConstIteratorFn; - AdvanceIteratorFn advanceConstIteratorFn; - DiffIteratorFn diffConstIteratorFn; - ValueAtIteratorFn valueAtConstIteratorFn; + QMetaSequenceInterface() = default; + + template<typename MetaSequence> + QMetaSequenceInterface(const MetaSequence &m) + : QMetaContainerInterface(m) + , valueMetaType(MetaSequence::getValueMetaType()) + , addRemoveCapabilities(MetaSequence::getAddRemoveCapabilities()) + , valueAtIndexFn(MetaSequence::getValueAtIndexFn()) + , setValueAtIndexFn(MetaSequence::getSetValueAtIndexFn()) + , addValueFn(MetaSequence::getAddValueFn()) + , removeValueFn(MetaSequence::getRemoveValueFn()) + , valueAtIteratorFn(MetaSequence::getValueAtIteratorFn()) + , setValueAtIteratorFn(MetaSequence::getSetValueAtIteratorFn()) + , insertValueAtIteratorFn(MetaSequence::getInsertValueAtIteratorFn()) + , valueAtConstIteratorFn(MetaSequence::getValueAtConstIteratorFn()) + , eraseValueAtIteratorFn(MetaSequence::getEraseValueAtIteratorFn()) + , eraseRangeAtIteratorFn(MetaSequence::getEraseRangeAtIteratorFn()) + {} +}; + +class QMetaAssociationInterface : public QMetaContainerInterface +{ +public: + QtPrivate::QMetaTypeInterface *keyMetaType; + QtPrivate::QMetaTypeInterface *mappedMetaType; + + using InsertKeyFn = void(*)(void *, const void *); + InsertKeyFn insertKeyFn; + using RemoveKeyFn = void(*)(void *, const void *); + RemoveKeyFn removeKeyFn; + using ContainsKeyFn = bool(*)(const void *, const void *); + ContainsKeyFn containsKeyFn; + + using MappedAtKeyFn = void(*)(const void *, const void *, void *); + MappedAtKeyFn mappedAtKeyFn; + using SetMappedAtKeyFn = void(*)(void *, const void *, const void *); + SetMappedAtKeyFn setMappedAtKeyFn; + + using CreateIteratorAtKeyFn = void *(*)(void *, const void *); + CreateIteratorAtKeyFn createIteratorAtKeyFn; + using CreateConstIteratorAtKeyFn = void *(*)(const void *, const void *); + CreateConstIteratorAtKeyFn createConstIteratorAtKeyFn; + + using KeyAtIteratorFn = void(*)(const void *, void *); + KeyAtIteratorFn keyAtIteratorFn; + KeyAtIteratorFn keyAtConstIteratorFn; + + using MappedAtIteratorFn = void(*)(const void *, void *); + MappedAtIteratorFn mappedAtIteratorFn; + MappedAtIteratorFn mappedAtConstIteratorFn; + + using SetMappedAtIteratorFn = void(*)(const void *, const void *); + SetMappedAtIteratorFn setMappedAtIteratorFn; + + using EraseKeyAtIteratorFn = void(*)(void *, const void *); + EraseKeyAtIteratorFn eraseKeyAtIteratorFn; + + QMetaAssociationInterface() = default; + + template<typename MetaAssociation> + QMetaAssociationInterface(const MetaAssociation &m) + : QMetaContainerInterface(m) + , keyMetaType(MetaAssociation::getKeyMetaType()) + , mappedMetaType(MetaAssociation::getMappedMetaType()) + , insertKeyFn(MetaAssociation::getInsertKeyFn()) + , removeKeyFn(MetaAssociation::getRemoveKeyFn()) + , containsKeyFn(MetaAssociation::getContainsKeyFn()) + , mappedAtKeyFn(MetaAssociation::getMappedAtKeyFn()) + , setMappedAtKeyFn(MetaAssociation::getSetMappedAtKeyFn()) + , createIteratorAtKeyFn(MetaAssociation::createIteratorAtKeyFn()) + , createConstIteratorAtKeyFn(MetaAssociation::createConstIteratorAtKeyFn()) + , keyAtIteratorFn(MetaAssociation::getKeyAtIteratorFn()) + , keyAtConstIteratorFn(MetaAssociation::getKeyAtConstIteratorFn()) + , mappedAtIteratorFn(MetaAssociation::getMappedAtIteratorFn()) + , mappedAtConstIteratorFn(MetaAssociation::getMappedAtConstIteratorFn()) + , setMappedAtIteratorFn(MetaAssociation::getSetMappedAtIteratorFn()) + , eraseKeyAtIteratorFn(MetaAssociation::getEraseKeyAtIteratorFn()) + {} }; template<typename C> -class QMetaSequenceForContainer +class QMetaContainerForContainer { + friend QMetaContainerInterface; + template <typename Iterator> static constexpr IteratorCapabilities capabilitiesForIterator() { @@ -155,46 +271,230 @@ class QMetaSequenceForContainer return {}; } - static constexpr AddRemoveCapabilities getAddRemoveCapabilities() + static constexpr QMetaContainerInterface::SizeFn getSizeFn() { - AddRemoveCapabilities caps; - if constexpr (QContainerTraits::has_push_back_v<C>) - caps |= CanAddAtEnd; - if constexpr (QContainerTraits::has_pop_back_v<C>) - caps |= CanRemoveAtEnd; - if constexpr (QContainerTraits::has_push_front_v<C>) - caps |= CanAddAtBegin; - if constexpr (QContainerTraits::has_pop_front_v<C>) - caps |= CanRemoveAtBegin; - return caps; + if constexpr (QContainerTraits::has_size_v<C>) { + return [](const void *c) -> qsizetype { return static_cast<const C *>(c)->size(); }; + } else { + return nullptr; + } } - static constexpr QMetaType getValueMetaType() + static constexpr QMetaContainerInterface::ClearFn getClearFn() { - return QMetaType::fromType<typename C::value_type>(); + if constexpr (QContainerTraits::has_clear_v<C>) { + return [](void *c) { return static_cast<C *>(c)->clear(); }; + } else { + return nullptr; + } } - static constexpr QMetaSequenceInterface::SizeFn getSizeFn() + static constexpr QMetaContainerInterface::CreateIteratorFn getCreateIteratorFn() { - if constexpr (QContainerTraits::has_size_v<C>) { - return [](const void *c) -> qsizetype { return static_cast<const C *>(c)->size(); }; + if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { + return [](void *c, QMetaContainerInterface::Position p) -> void* { + using Iterator = QContainerTraits::iterator<C>; + switch (p) { + case QMetaContainerInterface::Unspecified: + return new Iterator; + case QMetaContainerInterface::AtBegin: + return new Iterator(static_cast<C *>(c)->begin()); + break; + case QMetaContainerInterface::AtEnd: + return new Iterator(static_cast<C *>(c)->end()); + break; + } + return nullptr; + }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::ClearFn getClearFn() + static constexpr QMetaContainerInterface::DestroyIteratorFn getDestroyIteratorFn() { - if constexpr (QContainerTraits::has_clear_v<C>) { - return [](void *c) { return static_cast<C *>(c)->clear(); }; + if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { + return [](const void *i) { + using Iterator = QContainerTraits::iterator<C>; + delete static_cast<const Iterator *>(i); + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::CompareIteratorFn getCompareIteratorFn() + { + if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { + return [](const void *i, const void *j) { + using Iterator = QContainerTraits::iterator<C>; + return *static_cast<const Iterator *>(i) == *static_cast<const Iterator *>(j); + }; } else { return nullptr; } } + static constexpr QMetaContainerInterface::CopyIteratorFn getCopyIteratorFn() + { + if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { + return [](void *i, const void *j) { + using Iterator = QContainerTraits::iterator<C>; + *static_cast<Iterator *>(i) = *static_cast<const Iterator *>(j); + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::AdvanceIteratorFn getAdvanceIteratorFn() + { + if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { + return [](void *i, qsizetype step) { + std::advance(*static_cast<QContainerTraits::iterator<C> *>(i), step); + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::DiffIteratorFn getDiffIteratorFn() + { + if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { + return [](const void *i, const void *j) -> qsizetype { + return std::distance(*static_cast<const QContainerTraits::iterator<C> *>(j), + *static_cast<const QContainerTraits::iterator<C> *>(i)); + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::CreateConstIteratorFn getCreateConstIteratorFn() + { + if constexpr (QContainerTraits::has_const_iterator_v<C>) { + return [](const void *c, QMetaContainerInterface::Position p) -> void* { + using Iterator = QContainerTraits::const_iterator<C>; + switch (p) { + case QMetaContainerInterface::Unspecified: + return new Iterator; + case QMetaContainerInterface::AtBegin: + return new Iterator(static_cast<const C *>(c)->begin()); + case QMetaContainerInterface::AtEnd: + return new Iterator(static_cast<const C *>(c)->end()); + } + return nullptr; + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::DestroyIteratorFn getDestroyConstIteratorFn() + { + if constexpr (QContainerTraits::has_const_iterator_v<C>) { + return [](const void *i) { + using Iterator = QContainerTraits::const_iterator<C>; + delete static_cast<const Iterator *>(i); + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::CompareIteratorFn getCompareConstIteratorFn() + { + if constexpr (QContainerTraits::has_const_iterator_v<C>) { + return [](const void *i, const void *j) { + using Iterator = QContainerTraits::const_iterator<C>; + return *static_cast<const Iterator *>(i) == *static_cast<const Iterator *>(j); + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::CopyIteratorFn getCopyConstIteratorFn() + { + if constexpr (QContainerTraits::has_const_iterator_v<C>) { + return [](void *i, const void *j) { + using Iterator = QContainerTraits::const_iterator<C>; + *static_cast<Iterator *>(i) = *static_cast<const Iterator *>(j); + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::AdvanceIteratorFn getAdvanceConstIteratorFn() + { + if constexpr (QContainerTraits::has_const_iterator_v<C>) { + return [](void *i, qsizetype step) { + std::advance(*static_cast<QContainerTraits::const_iterator<C> *>(i), step); + }; + } else { + return nullptr; + } + } + + static constexpr QMetaContainerInterface::DiffIteratorFn getDiffConstIteratorFn() + { + if constexpr (QContainerTraits::has_const_iterator_v<C>) { + return [](const void *i, const void *j) -> qsizetype { + return std::distance(*static_cast<const QContainerTraits::const_iterator<C> *>(j), + *static_cast<const QContainerTraits::const_iterator<C> *>(i)); + }; + } else { + return nullptr; + } + } + +protected: + + template<typename EraseFn> + static constexpr EraseFn getEraseAtIteratorFn() + { + if constexpr (QContainerTraits::has_iterator_v<C> + && QContainerTraits::can_erase_at_iterator_v<C> && !std::is_const_v<C>) { + return [](void *c, const void *i) { + static_cast<C *>(c)->erase(*static_cast<const QContainerTraits::iterator<C> *>(i)); + }; + } else { + return nullptr; + } + } +}; + +template<typename C> +class QMetaSequenceForContainer : public QMetaContainerForContainer<C> +{ + friend QMetaSequenceInterface; + + static constexpr QtPrivate::QMetaTypeInterface *getValueMetaType() + { + if constexpr (QContainerTraits::has_value_type_v<C>) + return QtPrivate::qMetaTypeInterfaceForType<typename C::value_type>(); + else + return nullptr; + } + + static constexpr AddRemoveCapabilities getAddRemoveCapabilities() + { + AddRemoveCapabilities caps; + if constexpr (QContainerTraits::has_push_back_v<C>) + caps |= CanAddAtEnd; + if constexpr (QContainerTraits::has_pop_back_v<C>) + caps |= CanRemoveAtEnd; + if constexpr (QContainerTraits::has_push_front_v<C>) + caps |= CanAddAtBegin; + if constexpr (QContainerTraits::has_pop_front_v<C>) + caps |= CanRemoveAtBegin; + return caps; + } + static constexpr QMetaSequenceInterface::ValueAtIndexFn getValueAtIndexFn() { - if constexpr (QContainerTraits::has_at_v<C>) { + if constexpr (QContainerTraits::has_at_index_v<C>) { return [](const void *c, qsizetype i, void *r) { *static_cast<QContainerTraits::value_type<C> *>(r) = static_cast<const C *>(c)->at(i); @@ -316,279 +616,319 @@ class QMetaSequenceForContainer } } - static constexpr QMetaSequenceInterface::CreateIteratorFn getCreateIteratorFn() + static constexpr QMetaSequenceInterface::ValueAtIteratorFn getValueAtIteratorFn() { - if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { - return [](void *c, QMetaSequenceInterface::Position p) -> void* { - using Iterator = QContainerTraits::iterator<C>; - switch (p) { - case QMetaSequenceInterface::AtBegin: - case QMetaSequenceInterface::Unspecified: - return new Iterator(static_cast<C *>(c)->begin()); - break; - case QMetaSequenceInterface::AtEnd: - return new Iterator(static_cast<C *>(c)->end()); - break; - } - return nullptr; + if constexpr (QContainerTraits::has_iterator_v<C> + && QContainerTraits::iterator_dereferences_to_value_v<C> && !std::is_const_v<C>) { + return [](const void *i, void *r) { + *static_cast<QContainerTraits::value_type<C> *>(r) = + *(*static_cast<const QContainerTraits::iterator<C> *>(i)); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::DestroyIteratorFn getDestroyIteratorFn() + static constexpr QMetaSequenceInterface::SetValueAtIteratorFn getSetValueAtIteratorFn() { - if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { - return [](const void *i) { - using Iterator = QContainerTraits::iterator<C>; - delete static_cast<const Iterator *>(i); + if constexpr (QContainerTraits::has_iterator_v<C> + && QContainerTraits::can_set_value_at_iterator_v<C> && !std::is_const_v<C>) { + return [](const void *i, const void *e) { + *(*static_cast<const QContainerTraits::iterator<C> *>(i)) + = *static_cast<const QContainerTraits::value_type<C> *>(e); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::CompareIteratorFn getCompareIteratorFn() + static constexpr QMetaSequenceInterface::InsertValueAtIteratorFn getInsertValueAtIteratorFn() { - if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { - return [](const void *i, const void *j) { - using Iterator = QContainerTraits::iterator<C>; - return *static_cast<const Iterator *>(i) == *static_cast<const Iterator *>(j); + if constexpr (QContainerTraits::has_iterator_v<C> + && QContainerTraits::can_insert_value_at_iterator_v<C> && !std::is_const_v<C>) { + return [](void *c, const void *i, const void *e) { + static_cast<C *>(c)->insert( + *static_cast<const QContainerTraits::iterator<C> *>(i), + *static_cast<const QContainerTraits::value_type<C> *>(e)); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::CopyIteratorFn getCopyIteratorFn() + static constexpr QMetaSequenceInterface::ValueAtIteratorFn getValueAtConstIteratorFn() { - if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { - return [](void *i, const void *j) { - using Iterator = QContainerTraits::iterator<C>; - *static_cast<Iterator *>(i) = *static_cast<const Iterator *>(j); + if constexpr (QContainerTraits::has_const_iterator_v<C> + && QContainerTraits::iterator_dereferences_to_value_v<C>) { + return [](const void *i, void *r) { + *static_cast<QContainerTraits::value_type<C> *>(r) = + *(*static_cast<const QContainerTraits::const_iterator<C> *>(i)); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::AdvanceIteratorFn getAdvanceIteratorFn() + static constexpr QMetaSequenceInterface::EraseValueAtIteratorFn getEraseValueAtIteratorFn() { - if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { - return [](void *i, qsizetype step) { - std::advance(*static_cast<QContainerTraits::iterator<C> *>(i), step); - }; - } else { - return nullptr; - } + return QMetaContainerForContainer<C>::template getEraseAtIteratorFn< + QMetaSequenceInterface::EraseValueAtIteratorFn>(); } - static constexpr QMetaSequenceInterface::DiffIteratorFn getDiffIteratorFn() + static constexpr QMetaSequenceInterface::EraseRangeAtIteratorFn getEraseRangeAtIteratorFn() { - if constexpr (QContainerTraits::has_iterator_v<C> && !std::is_const_v<C>) { - return [](const void *i, const void *j) -> qsizetype { - return std::distance(*static_cast<const QContainerTraits::iterator<C> *>(j), - *static_cast<const QContainerTraits::iterator<C> *>(i)); + if constexpr (QContainerTraits::has_iterator_v<C> + && QContainerTraits::can_erase_range_at_iterator_v<C> && !std::is_const_v<C>) { + return [](void *c, const void *i, const void *j) { + static_cast<C *>(c)->erase(*static_cast<const QContainerTraits::iterator<C> *>(i), + *static_cast<const QContainerTraits::iterator<C> *>(j)); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::ValueAtIteratorFn getValueAtIteratorFn() +public: + static QMetaSequenceInterface metaSequence; +}; + +template<typename C> +class QMetaAssociationForContainer : public QMetaContainerForContainer<C> +{ + friend QMetaAssociationInterface; + + static constexpr QtPrivate::QMetaTypeInterface *getKeyMetaType() { - if constexpr (QContainerTraits::has_iterator_v<C> - && QContainerTraits::can_get_at_iterator_v<C> && !std::is_const_v<C>) { - return [](const void *i, void *r) { - *static_cast<QContainerTraits::value_type<C> *>(r) = - *(*static_cast<const QContainerTraits::iterator<C> *>(i)); - }; - } else { + if constexpr (QContainerTraits::has_key_type_v<C>) + return QtPrivate::qMetaTypeInterfaceForType<typename C::key_type>(); + else return nullptr; - } } - static constexpr QMetaSequenceInterface::SetValueAtIteratorFn getSetValueAtIteratorFn() + static constexpr QtPrivate::QMetaTypeInterface *getMappedMetaType() { - if constexpr (QContainerTraits::has_iterator_v<C> - && QContainerTraits::can_set_at_iterator_v<C> && !std::is_const_v<C>) { - return [](const void *i, const void *e) { - *(*static_cast<const QContainerTraits::iterator<C> *>(i)) - = *static_cast<const QContainerTraits::value_type<C> *>(e); - }; - } else { + if constexpr (QContainerTraits::has_mapped_type_v<C>) + return QtPrivate::qMetaTypeInterfaceForType<typename C::mapped_type>(); + else return nullptr; - } } - static constexpr QMetaSequenceInterface::InsertValueAtIteratorFn getInsertValueAtIteratorFn() + static constexpr QMetaAssociationInterface::InsertKeyFn getInsertKeyFn() { - if constexpr (QContainerTraits::has_iterator_v<C> - && QContainerTraits::can_insert_at_iterator_v<C> && !std::is_const_v<C>) { - return [](void *c, const void *i, const void *e) { + if constexpr (QContainerTraits::can_insert_key_v<C>) { + return [](void *c, const void *k) { static_cast<C *>(c)->insert( - *static_cast<const QContainerTraits::iterator<C> *>(i), - *static_cast<const QContainerTraits::value_type<C> *>(e)); + *static_cast<const QContainerTraits::key_type<C> *>(k)); + }; + } else if constexpr (QContainerTraits::can_insert_pair_v<C>) { + return [](void *c, const void *k) { + static_cast<C *>(c)->insert( + {*static_cast<const QContainerTraits::key_type<C> *>(k), {}}); + }; + } else if constexpr (QContainerTraits::can_insert_key_mapped_v<C>) { + return [](void *c, const void *k) { + static_cast<C *>(c)->insert( + *static_cast<const QContainerTraits::key_type<C> *>(k), {}); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::EraseValueAtIteratorFn getEraseValueAtIteratorFn() + static constexpr QMetaAssociationInterface::RemoveKeyFn getRemoveKeyFn() { - if constexpr (QContainerTraits::has_iterator_v<C> - && QContainerTraits::can_erase_at_iterator_v<C> && !std::is_const_v<C>) { - return [](void *c, const void *i) { - static_cast<C *>(c)->erase(*static_cast<const QContainerTraits::iterator<C> *>(i)); + if constexpr (QContainerTraits::can_erase_at_key_v<C>) { + return [](void *c, const void *k) { + static_cast<C *>(c)->erase(*static_cast<const QContainerTraits::key_type<C> *>(k)); + }; + } else if constexpr (QContainerTraits::can_remove_at_key_v<C>) { + return [](void *c, const void *k) { + static_cast<C *>(c)->remove(*static_cast<const QContainerTraits::key_type<C> *>(k)); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::EraseRangeAtIteratorFn getEraseRangeAtIteratorFn() + static constexpr QMetaAssociationInterface::ContainsKeyFn getContainsKeyFn() { - if constexpr (QContainerTraits::has_iterator_v<C> - && QContainerTraits::can_erase_range_at_iterator_v<C> && !std::is_const_v<C>) { - return [](void *c, const void *i, const void *j) { - static_cast<C *>(c)->erase(*static_cast<const QContainerTraits::iterator<C> *>(i), - *static_cast<const QContainerTraits::iterator<C> *>(j)); + if constexpr (QContainerTraits::has_contains_v<C>) { + return [](const void *c, const void *k) { + return static_cast<const C *>(c)->contains( + *static_cast<const QContainerTraits::key_type<C> *>(k)); + }; + } else if (QContainerTraits::has_find_v<C>) { + return [](const void *c, const void *k) { + const C *container = static_cast<const C *>(c); + return container->find( + *static_cast<const QContainerTraits::key_type<C> *>(k)) + != container->end(); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::CreateConstIteratorFn getCreateConstIteratorFn() + static constexpr QMetaAssociationInterface::MappedAtKeyFn getMappedAtKeyFn() { - if constexpr (QContainerTraits::has_const_iterator_v<C>) { - return [](const void *c, QMetaSequenceInterface::Position p) -> void* { - using Iterator = QContainerTraits::const_iterator<C>; - switch (p) { - case QMetaSequenceInterface::AtBegin: - case QMetaSequenceInterface::Unspecified: - return new Iterator(static_cast<const C *>(c)->begin()); - break; - case QMetaSequenceInterface::AtEnd: - return new Iterator(static_cast<const C *>(c)->end()); - break; - } - return nullptr; + if constexpr (QContainerTraits::has_at_key_v<C>) { + return [](const void *c, const void *k, void *r) { + *static_cast<QContainerTraits::mapped_type<C> *>(r) + = static_cast<const C *>(c)->at( + *static_cast<const QContainerTraits::key_type<C> *>(k)); + }; + } else if constexpr (QContainerTraits::can_get_at_key_v<C>) { + return [](const void *c, const void *k, void *r) { + *static_cast<QContainerTraits::mapped_type<C> *>(r) + = (*static_cast<const C *>(c))[ + *static_cast<const QContainerTraits::key_type<C> *>(k)]; }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::DestroyIteratorFn getDestroyConstIteratorFn() + static constexpr QMetaAssociationInterface::SetMappedAtKeyFn getSetMappedAtKeyFn() { - if constexpr (QContainerTraits::has_const_iterator_v<C>) { - return [](const void *i) { - using Iterator = QContainerTraits::const_iterator<C>; - delete static_cast<const Iterator *>(i); + if constexpr (QContainerTraits::can_set_at_key_v<C>) { + return [](void *c, const void *k, const void *m) { + (*static_cast<C *>(c))[*static_cast<const QContainerTraits::key_type<C> *>(k)] = + *static_cast<const QContainerTraits::mapped_type<C> *>(m); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::CompareIteratorFn getCompareConstIteratorFn() + static constexpr QMetaAssociationInterface::CreateIteratorAtKeyFn createIteratorAtKeyFn() { - if constexpr (QContainerTraits::has_const_iterator_v<C>) { - return [](const void *i, const void *j) { - using Iterator = QContainerTraits::const_iterator<C>; - return *static_cast<const Iterator *>(i) == *static_cast<const Iterator *>(j); + if constexpr (QContainerTraits::has_find_v<C>) { + return [](void *c, const void *k) -> void* { + using Iterator = QContainerTraits::iterator<C>; + return new Iterator(static_cast<C *>(c)->find( + *static_cast<const QContainerTraits::key_type<C> *>(k))); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::CopyIteratorFn getCopyConstIteratorFn() + static constexpr QMetaAssociationInterface::CreateConstIteratorAtKeyFn createConstIteratorAtKeyFn() { - if constexpr (QContainerTraits::has_const_iterator_v<C>) { - return [](void *i, const void *j) { + if constexpr (QContainerTraits::has_find_v<C>) { + return [](const void *c, const void *k) -> void* { using Iterator = QContainerTraits::const_iterator<C>; - *static_cast<Iterator *>(i) = *static_cast<const Iterator *>(j); + return new Iterator(static_cast<const C *>(c)->find( + *static_cast<const QContainerTraits::key_type<C> *>(k))); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::AdvanceIteratorFn getAdvanceConstIteratorFn() + template<typename Iterator> + static constexpr QMetaAssociationInterface::KeyAtIteratorFn keyAtIteratorFn() { - if constexpr (QContainerTraits::has_const_iterator_v<C>) { - return [](void *i, qsizetype step) { - std::advance(*static_cast<QContainerTraits::const_iterator<C> *>(i), step); + if constexpr (QContainerTraits::iterator_has_key_v<C>) { + return [](const void *i, void *k) { + *static_cast<QContainerTraits::key_type<C> *>(k) + = static_cast<const Iterator *>(i)->key(); + }; + } else if constexpr (QContainerTraits::iterator_dereferences_to_value_v<C> + && QContainerTraits::value_type_has_first_v<C>) { + return [](const void *i, void *k) { + *static_cast<QContainerTraits::key_type<C> *>(k) + = (*static_cast<const Iterator *>(i))->first; + }; + } else if constexpr (QContainerTraits::iterator_dereferences_to_key_v<C>) { + return [](const void *i, void *k) { + *static_cast<QContainerTraits::key_type<C> *>(k) + = *(*static_cast<const Iterator *>(i)); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::DiffIteratorFn getDiffConstIteratorFn() + static constexpr QMetaAssociationInterface::KeyAtIteratorFn getKeyAtIteratorFn() { - if constexpr (QContainerTraits::has_const_iterator_v<C>) { - return [](const void *i, const void *j) -> qsizetype { - return std::distance(*static_cast<const QContainerTraits::const_iterator<C> *>(j), - *static_cast<const QContainerTraits::const_iterator<C> *>(i)); + return keyAtIteratorFn<QContainerTraits::iterator<C>>(); + } + + static constexpr QMetaAssociationInterface::KeyAtIteratorFn getKeyAtConstIteratorFn() + { + return keyAtIteratorFn<QContainerTraits::const_iterator<C>>(); + } + + template<typename Iterator> + static constexpr QMetaAssociationInterface::MappedAtIteratorFn mappedAtIteratorFn() + { + if constexpr (QContainerTraits::iterator_has_value_v<C>) { + return [](const void *i, void *k) { + *static_cast<QContainerTraits::mapped_type<C> *>(k) + = static_cast<const Iterator *>(i)->value(); + }; + } else if constexpr (QContainerTraits::iterator_dereferences_to_value_v<C> + && QContainerTraits::value_type_has_second_v<C>) { + return [](const void *i, void *k) { + *static_cast<QContainerTraits::mapped_type<C> *>(k) + = (*static_cast<const Iterator *>(i))->second; + }; + } else if constexpr (QContainerTraits::iterator_dereferences_to_mapped_v<C>) { + return [](const void *i, void *k) { + *static_cast<QContainerTraits::mapped_type<C> *>(k) + = *static_cast<const Iterator *>(i); }; } else { return nullptr; } } - static constexpr QMetaSequenceInterface::ValueAtIteratorFn getValueAtConstIteratorFn() + static constexpr QMetaAssociationInterface::MappedAtIteratorFn getMappedAtIteratorFn() { - if constexpr (QContainerTraits::has_const_iterator_v<C> - && QContainerTraits::can_get_at_iterator_v<C>) { - return [](const void *i, void *r) { - *static_cast<QContainerTraits::value_type<C> *>(r) = - *(*static_cast<const QContainerTraits::const_iterator<C> *>(i)); + return mappedAtIteratorFn<QContainerTraits::iterator<C>>(); + } + + static constexpr QMetaAssociationInterface::MappedAtIteratorFn getMappedAtConstIteratorFn() + { + return mappedAtIteratorFn<QContainerTraits::const_iterator<C>>(); + } + + static constexpr QMetaAssociationInterface::SetMappedAtIteratorFn getSetMappedAtIteratorFn() + { + if constexpr (QContainerTraits::can_set_mapped_at_iterator_v<C> && !std::is_const_v<C>) { + return [](const void *i, const void *m) { + *(*static_cast<const QContainerTraits::iterator<C> *>(i)) + = *static_cast<const QContainerTraits::mapped_type<C> *>(m); + }; + } else if constexpr (QContainerTraits::iterator_dereferences_to_value_v<C> + && QContainerTraits::value_type_has_second_v<C>) { + return [](const void *i, const void *m) { + (*static_cast<const QContainerTraits::iterator<C> *>(i))->second + = *static_cast<const QContainerTraits::mapped_type<C> *>(m); }; } else { return nullptr; } } + static constexpr QMetaAssociationInterface::EraseKeyAtIteratorFn getEraseKeyAtIteratorFn() + { + return QMetaContainerForContainer<C>::template getEraseAtIteratorFn< + QMetaAssociationInterface::EraseKeyAtIteratorFn>(); + } + public: - static QMetaSequenceInterface metaSequence; + static QMetaAssociationInterface metaAssociation; }; template<typename C> -QMetaSequenceInterface QMetaSequenceForContainer<C>::metaSequence = { - /*.revision=*/ 0, - /*.iteratorCapabilities=*/ getIteratorCapabilities(), - /*.valueMetaType=*/ getValueMetaType(), - /*.addRemoveCapabilities=*/ getAddRemoveCapabilities(), - /*.sizeFn=*/ getSizeFn(), - /*.clearFn=*/ getClearFn(), - /*.valueAtIndexFn=*/ getValueAtIndexFn(), - /*.setValueAtIndexFn=*/ getSetValueAtIndexFn(), - /*.addValueFn=*/ getAddValueFn(), - /*.removeLastValueFn=*/ getRemoveValueFn(), - /*.createIteratorFn=*/ getCreateIteratorFn(), - /*.destroyIteratorFn=*/ getDestroyIteratorFn(), - /*.equalIteratorFn=*/ getCompareIteratorFn(), - /*.copyIteratorFn=*/ getCopyIteratorFn(), - /*.advanceIteratorFn=*/ getAdvanceIteratorFn(), - /*.diffIteratorFn=*/ getDiffIteratorFn(), - /*.valueAtIteratorFn=*/ getValueAtIteratorFn(), - /*.setValueAtIteratorFn=*/ getSetValueAtIteratorFn(), - /*.insertValueAtIteratorFn=*/ getInsertValueAtIteratorFn(), - /*.eraseValueAtIteratorFn=*/ getEraseValueAtIteratorFn(), - /*.eraseRangeAtIteratorFn=*/ getEraseRangeAtIteratorFn(), - /*.createConstIteratorFn=*/ getCreateConstIteratorFn(), - /*.destroyConstIteratorFn=*/ getDestroyConstIteratorFn(), - /*.equalConstIteratorFn=*/ getCompareConstIteratorFn(), - /*.copyConstIteratorFn=*/ getCopyConstIteratorFn(), - /*.advanceConstIteratorFn=*/ getAdvanceConstIteratorFn(), - /*.diffConstIteratorFn=*/ getDiffConstIteratorFn(), - /*.valueAtConstIteratorFn=*/ getValueAtConstIteratorFn(), -}; +QMetaSequenceInterface QMetaSequenceForContainer<C>::metaSequence + = QMetaSequenceInterface(QMetaSequenceForContainer<C>()); + +template<typename C> +QMetaAssociationInterface QMetaAssociationForContainer<C>::metaAssociation + = QMetaAssociationInterface(QMetaAssociationForContainer<C>()); template<typename C> constexpr QMetaSequenceInterface *qMetaSequenceInterfaceForContainer() @@ -596,13 +936,58 @@ constexpr QMetaSequenceInterface *qMetaSequenceInterfaceForContainer() return &QMetaSequenceForContainer<C>::metaSequence; } +template<typename C> +constexpr QMetaAssociationInterface *qMetaAssociationInterfaceForContainer() +{ + return &QMetaAssociationForContainer<C>::metaAssociation; +} + } // namespace QtMetaContainerPrivate -class Q_CORE_EXPORT QMetaSequence +class Q_CORE_EXPORT QMetaContainer +{ +public: + QMetaContainer() = default; + explicit QMetaContainer(const QtMetaContainerPrivate::QMetaContainerInterface *d) : d_ptr(d) {} + + bool hasInputIterator() const; + bool hasForwardIterator() const; + bool hasBidirectionalIterator() const; + bool hasRandomAccessIterator() const; + + bool hasSize() const; + qsizetype size(const void *container) const; + + bool canClear() const; + void clear(void *container) const; + + bool hasIterator() const; + void *begin(void *container) const; + void *end(void *container) const; + void destroyIterator(const void *iterator) const; + bool compareIterator(const void *i, const void *j) const; + void copyIterator(void *target, const void *source) const; + void advanceIterator(void *iterator, qsizetype step) const; + qsizetype diffIterator(const void *i, const void *j) const; + + bool hasConstIterator() const; + void *constBegin(const void *container) const; + void *constEnd(const void *container) const; + void destroyConstIterator(const void *iterator) const; + bool compareConstIterator(const void *i, const void *j) const; + void copyConstIterator(void *target, const void *source) const; + void advanceConstIterator(void *iterator, qsizetype step) const; + qsizetype diffConstIterator(const void *i, const void *j) const; + +protected: + const QtMetaContainerPrivate::QMetaContainerInterface *d_ptr = nullptr; +}; + +class Q_CORE_EXPORT QMetaSequence : public QMetaContainer { public: QMetaSequence() = default; - explicit QMetaSequence(QtMetaContainerPrivate::QMetaSequenceInterface *d) : d_ptr(d) {} + explicit QMetaSequence(QtMetaContainerPrivate::QMetaSequenceInterface *d) : QMetaContainer(d) {} template<typename T> static constexpr QMetaSequence fromContainer() @@ -610,11 +995,6 @@ public: return QMetaSequence(QtMetaContainerPrivate::qMetaSequenceInterfaceForContainer<T>()); } - bool hasInputIterator() const; - bool hasForwardIterator() const; - bool hasBidirectionalIterator() const; - bool hasRandomAccessIterator() const; - QMetaType valueMetaType() const; bool isSortable() const; @@ -627,12 +1007,6 @@ public: bool canRemoveValueAtEnd() const; void removeValueAtEnd(void *container) const; - bool hasSize() const; - qsizetype size(const void *container) const; - - bool canClear() const; - void clear(void *container) const; - bool canGetValueAtIndex() const; void valueAtIndex(const void *container, qsizetype index, void *result) const; @@ -645,15 +1019,6 @@ public: bool canRemoveValue() const; void removeValue(void *container) const; - bool hasIterator() const; - void *begin(void *container) const; - void *end(void *container) const; - void destroyIterator(const void *iterator) const; - bool compareIterator(const void *i, const void *j) const; - void copyIterator(void *target, const void *source) const; - void advanceIterator(void *iterator, qsizetype step) const; - qsizetype diffIterator(const void *i, const void *j) const; - bool canGetValueAtIterator() const; void valueAtIterator(const void *iterator, void *result) const; @@ -666,15 +1031,6 @@ public: bool canEraseValueAtIterator() const; void eraseValueAtIterator(void *container, const void *iterator) const; - bool hasConstIterator() const; - void *constBegin(const void *container) const; - void *constEnd(const void *container) const; - void destroyConstIterator(const void *iterator) const; - bool compareConstIterator(const void *i, const void *j) const; - void copyConstIterator(void *target, const void *source) const; - void advanceConstIterator(void *iterator, qsizetype step) const; - qsizetype diffConstIterator(const void *i, const void *j) const; - bool canEraseRangeAtIterator() const; void eraseRangeAtIterator(void *container, const void *iterator1, const void *iterator2) const; @@ -683,15 +1039,204 @@ public: friend bool operator==(const QMetaSequence &a, const QMetaSequence &b) { - return a.d_ptr == b.d_ptr; + return a.d() == b.d(); } friend bool operator!=(const QMetaSequence &a, const QMetaSequence &b) { - return a.d_ptr != b.d_ptr; + return a.d() != b.d(); + } + +private: + const QtMetaContainerPrivate::QMetaSequenceInterface *d() const + { + return static_cast<const QtMetaContainerPrivate::QMetaSequenceInterface *>(d_ptr); + } +}; + +class Q_CORE_EXPORT QMetaAssociation : public QMetaContainer +{ +public: + QMetaAssociation() = default; + explicit QMetaAssociation(QtMetaContainerPrivate::QMetaAssociationInterface *d) : QMetaContainer(d) {} + + template<typename T> + static constexpr QMetaAssociation fromContainer() + { + return QMetaAssociation(QtMetaContainerPrivate::qMetaAssociationInterfaceForContainer<T>()); + } + + QMetaType keyMetaType() const; + QMetaType mappedMetaType() const; + + bool canInsertKey() const + { + if (auto iface = d()) + return iface->insertKeyFn; + return false; + } + void insertKey(void *container, const void *key) const + { + if (canInsertKey()) + d()->insertKeyFn(container, key); + } + + bool canRemoveKey() const + { + if (auto iface = d()) + return iface->removeKeyFn; + return false; + } + void removeKey(void *container, const void *key) const + { + if (canRemoveKey()) + d()->removeKeyFn(container, key); + } + + bool canContainsKey() const + { + if (auto iface = d()) + return iface->containsKeyFn; + return false; + } + bool containsKey(const void *container, const void *key) const + { + if (canContainsKey()) + return d()->containsKeyFn(container, key); + return false; + } + + + bool canGetMappedAtKey() const + { + if (auto iface = d()) + return iface->mappedAtKeyFn; + return false; + } + void mappedAtKey(const void *container, const void *key, void *mapped) const + { + if (canGetMappedAtKey()) + d()->mappedAtKeyFn(container, key, mapped); + } + + bool canSetMappedAtKey() const + { + if (auto iface = d()) + return iface->setMappedAtKeyFn; + return false; + } + void setMappedAtKey(void *container, const void *key, const void *mapped) const + { + if (canSetMappedAtKey()) + d()->setMappedAtKeyFn(container, key, mapped); + } + + bool canGetKeyAtIterator() const + { + if (auto iface = d()) + return iface->keyAtIteratorFn; + return false; + } + + void keyAtIterator(const void *iterator, void *key) const + { + if (canGetKeyAtIterator()) + d()->keyAtIteratorFn(iterator, key); + } + + bool canGetKeyAtConstIterator() const + { + if (auto iface = d()) + return iface->keyAtConstIteratorFn; + return false; + } + + void keyAtConstIterator(const void *iterator, void *key) const + { + if (canGetKeyAtConstIterator()) + d()->keyAtConstIteratorFn(iterator, key); + } + + bool canGetMappedAtIterator() const + { + if (auto iface = d()) + return iface->mappedAtIteratorFn; + return false; + } + + void mappedAtIterator(const void *iterator, void *mapped) const + { + if (canGetMappedAtIterator()) + d()->mappedAtIteratorFn(iterator, mapped); + } + + bool canGetMappedAtConstIterator() const + { + if (auto iface = d()) + return iface->mappedAtConstIteratorFn; + return false; + } + + void mappedAtConstIterator(const void *iterator, void *mapped) const + { + if (canGetMappedAtConstIterator()) + d()->mappedAtConstIteratorFn(iterator, mapped); + } + + bool canSetMappedAtIterator() const + { + if (auto iface = d()) + return iface->setMappedAtIteratorFn; + return false; + } + + void setMappedAtIterator(const void *iterator, const void *mapped) const + { + if (canSetMappedAtIterator()) + d()->setMappedAtIteratorFn(iterator, mapped); + } + + bool canCreateIteratorAtKey() const + { + if (auto iface = d()) + return iface->createIteratorAtKeyFn; + return false; + } + + void *createIteratorAtKey(void *container, const void *key) const + { + if (canCreateIteratorAtKey()) + return d()->createIteratorAtKeyFn(container, key); + return nullptr; + } + + bool canCreateConstIteratorAtKey() const + { + if (auto iface = d()) + return iface->createConstIteratorAtKeyFn; + return false; + } + + void *createConstIteratorAtKey(const void *container, const void *key) const + { + if (canCreateConstIteratorAtKey()) + return d()->createConstIteratorAtKeyFn(container, key); + return nullptr; + } + + friend bool operator==(const QMetaAssociation &a, const QMetaAssociation &b) + { + return a.d() == b.d(); + } + friend bool operator!=(const QMetaAssociation &a, const QMetaAssociation &b) + { + return a.d() != b.d(); } private: - const QtMetaContainerPrivate::QMetaSequenceInterface *d_ptr = nullptr; + const QtMetaContainerPrivate::QMetaAssociationInterface *d() const + { + return static_cast<const QtMetaContainerPrivate::QMetaAssociationInterface *>(d_ptr); + } }; QT_END_NAMESPACE |