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refs #413 Macros to ease the task of disambiguating inherited members when using mixins in an inheritance hierarchy.

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This commit is contained in:
Mathew Sutcliffe
2015-05-03 23:15:02 +01:00
parent 36a2e1a2bb
commit 68ebcd7b8d
10 changed files with 89 additions and 153 deletions
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60
src/blackmisc/valueobject.h
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@@ -207,6 +207,32 @@ namespace BlackMisc
class MetaTypeAndQList : public MetaType<Derived, QList<Derived>>
{};
/*!
* When a derived class and a base class both inherit from Mixin::MetaType,
* the derived class uses this macro to disambiguate the inherited members.
*/
# define BLACKMISC_DECLARE_USING_MIXIN_METATYPE(DERIVED) \
using ::BlackMisc::Mixin::MetaType<DERIVED>::registerMetadata; \
using ::BlackMisc::Mixin::MetaType<DERIVED>::getMetaTypeId; \
using ::BlackMisc::Mixin::MetaType<DERIVED>::isA; \
using ::BlackMisc::Mixin::MetaType<DERIVED>::toCVariant; \
using ::BlackMisc::Mixin::MetaType<DERIVED>::toQVariant; \
using ::BlackMisc::Mixin::MetaType<DERIVED>::convertFromCVariant; \
using ::BlackMisc::Mixin::MetaType<DERIVED>::convertFromQVariant;
/*!
* When a derived class and a base class both inherit from Mixin::MetaType,
* the derived class uses this macro to disambiguate the inherited members.
*/
# define BLACKMISC_DECLARE_USING_MIXIN_METATYPE_AND_QLIST(DERIVED) \
using ::BlackMisc::Mixin::MetaTypeAndQList<DERIVED>::registerMetadata; \
using ::BlackMisc::Mixin::MetaTypeAndQList<DERIVED>::getMetaTypeId; \
using ::BlackMisc::Mixin::MetaTypeAndQList<DERIVED>::isA; \
using ::BlackMisc::Mixin::MetaTypeAndQList<DERIVED>::toCVariant; \
using ::BlackMisc::Mixin::MetaTypeAndQList<DERIVED>::toQVariant; \
using ::BlackMisc::Mixin::MetaTypeAndQList<DERIVED>::convertFromCVariant; \
using ::BlackMisc::Mixin::MetaTypeAndQList<DERIVED>::convertFromQVariant;
/*!
* CRTP class template from which a derived class can inherit common methods dealing with hashing instances by metatuple.
*/
@@ -289,6 +315,14 @@ namespace BlackMisc
static void baseUnmarshall(void *, const QDBusArgument &) {}
};
/*!
* When a derived class and a base class both inherit from Mixin::DBusByTuple,
* the derived class uses this macro to disambiguate the inherited members.
*/
# define BLACKMISC_DECLARE_USING_MIXIN_DBUS(DERIVED) \
using ::BlackMisc::Mixin::DBusByTuple<DERIVED>::marshallToDbus; \
using ::BlackMisc::Mixin::DBusByTuple<DERIVED>::unmarshallFromDbus;
/*!
* CRTP class template which will generate marshalling operators for a derived class with its own marshalling implementation.
*/
@@ -363,6 +397,14 @@ namespace BlackMisc
static void baseConvertFromJson(void *, const QJsonObject &) {}
};
/*!
* When a derived class and a base class both inherit from Mixin::JsonByTuple,
* the derived class uses this macro to disambiguate the inherited members.
*/
# define BLACKMISC_DECLARE_USING_MIXIN_JSON(DERIVED) \
using ::BlackMisc::Mixin::JsonByTuple<DERIVED>::toJson; \
using ::BlackMisc::Mixin::JsonByTuple<DERIVED>::convertFromJson;
/*!
* CRTP class template from which a derived class can inherit operator== implemented using its compare function.
*/
@@ -528,6 +570,16 @@ namespace BlackMisc
Derived *derived() { return static_cast<Derived *>(this); }
};
/*!
* When a derived class and a base class both inherit from Mixin::String,
* the derived class uses this macro to disambiguate the inherited members.
*/
# define BLACKMISC_DECLARE_USING_MIXIN_STRING(DERIVED) \
using ::BlackMisc::Mixin::String<DERIVED>::toQString; \
using ::BlackMisc::Mixin::String<DERIVED>::toFormattedQString; \
using ::BlackMisc::Mixin::String<DERIVED>::toStdString; \
using ::BlackMisc::Mixin::String<DERIVED>::stringForStreaming;
/*!
* CRTP class template from which a derived class can inherit property indexing functions.
*/
@@ -582,6 +634,14 @@ namespace BlackMisc
Derived *derived() { return static_cast<Derived *>(this); }
};
/*!
* When a derived class and a base class both inherit from Mixin::Icon,
* the derived class uses this macro to disambiguate the inherited members.
*/
# define BLACKMISC_DECLARE_USING_MIXIN_ICON(DERIVED) \
using ::BlackMisc::Mixin::Icon<DERIVED>::toIcon; \
using ::BlackMisc::Mixin::Icon<DERIVED>::toPixmap;
}
/*!