Registry::detail::Visitor< RegistryTraits, Visitors > Struct Template Reference

Type-erasing adapter class (with no std::function overhead) More...

#include <Registry.h>

Inheritance diagram for Registry::detail::Visitor< RegistryTraits, Visitors >:

Collaboration diagram for Registry::detail::Visitor< RegistryTraits, Visitors >:

Public Types
using	NodeTypes = ConsUnique_t< const GroupItemBase, VisitedNodeTypes< RegistryTraits > >
using	LeafTypes = VisitedLeafTypes< RegistryTraits >

Public Member Functions
	Visitor (const Visitors &visitors)
void	BeginGroup (const GroupItemBase &item, const Path &path) const override
void	Visit (const SingleItem &item, const Path &path) const override
void	EndGroup (const GroupItemBase &item, const Path &path) const override
Public Member Functions inherited from Registry::detail::VisitorBase
virtual	~VisitorBase ()
virtual void	BeginGroup (const GroupItemBase &item, const Path &path) const =0
virtual void	Visit (const SingleItem &item, const Path &path) const =0
virtual void	EndGroup (const GroupItemBase &item, const Path &path) const =0

Public Attributes
const Visitors &	visitors

Static Public Attributes
static constexpr auto	size = TupleSize<Visitors>

Detailed Description

template<typename RegistryTraits, typename Visitors>
struct Registry::detail::Visitor< RegistryTraits, Visitors >

Type-erasing adapter class (with no std::function overhead)

See TypeSwitch for details of function signatures

Definition at line 556 of file Registry.h.

Member Typedef Documentation

LeafTypes

template<typename RegistryTraits , typename Visitors >

using Registry::detail::Visitor< RegistryTraits, Visitors >::LeafTypes = VisitedLeafTypes<RegistryTraits>

Definition at line 559 of file Registry.h.

NodeTypes

template<typename RegistryTraits , typename Visitors >

using Registry::detail::Visitor< RegistryTraits, Visitors >::NodeTypes = ConsUnique_t<const GroupItemBase, VisitedNodeTypes<RegistryTraits> >

Definition at line 557 of file Registry.h.

Constructor & Destructor Documentation

Visitor()

template<typename RegistryTraits , typename Visitors >

Registry::detail::Visitor< RegistryTraits, Visitors >::Visitor ( const Visitors &  visitors )

inline

Definition at line 562 of file Registry.h.

: visitors{ visitors } {}

Member Function Documentation

BeginGroup()

template<typename RegistryTraits , typename Visitors >

void Registry::detail::Visitor< RegistryTraits, Visitors >::BeginGroup ( const GroupItemBase &  item, const Path &  path  ) const

inlineoverridevirtual

Implements Registry::detail::VisitorBase.

Definition at line 564 of file Registry.h.

                     {
         if constexpr (size == 3)
            TypeSwitch::Dispatch<void, NodeTypes>(item,
               ForwardTuple(std::get<0>(visitors)), path);
      }

References Registry::detail::ForwardTuple(), Registry::detail::Visitor< RegistryTraits, Visitors >::size, and Registry::detail::Visitor< RegistryTraits, Visitors >::visitors.

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EndGroup()

template<typename RegistryTraits , typename Visitors >

void Registry::detail::Visitor< RegistryTraits, Visitors >::EndGroup ( const GroupItemBase &  item, const Path &  path  ) const

inlineoverridevirtual

Implements Registry::detail::VisitorBase.

Definition at line 575 of file Registry.h.

                     {
         if constexpr (size == 3)
            TypeSwitch::Dispatch<void, NodeTypes>(item,
               ForwardTuple(std::get<2>(visitors)), path);
      }

References Registry::detail::ForwardTuple(), Registry::detail::Visitor< RegistryTraits, Visitors >::size, and Registry::detail::Visitor< RegistryTraits, Visitors >::visitors.

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Visit()

template<typename RegistryTraits , typename Visitors >

void Registry::detail::Visitor< RegistryTraits, Visitors >::Visit ( const SingleItem &  item, const Path &  path  ) const

inlineoverridevirtual

Implements Registry::detail::VisitorBase.

Definition at line 570 of file Registry.h.

                                                                          {
         TypeSwitch::Dispatch<void, LeafTypes>(item,
            ForwardTuple(std::get<size == 1 ? 0 : 1>(ForwardTuple(visitors))),
            path);
      }

References Registry::detail::ForwardTuple(), and Registry::detail::Visitor< RegistryTraits, Visitors >::visitors.

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Member Data Documentation

size

template<typename RegistryTraits , typename Visitors >

constexpr auto Registry::detail::Visitor< RegistryTraits, Visitors >::size = TupleSize<Visitors>

staticconstexpr

Definition at line 560 of file Registry.h.

Referenced by Registry::detail::Visitor< RegistryTraits, Visitors >::BeginGroup(), and Registry::detail::Visitor< RegistryTraits, Visitors >::EndGroup().

visitors

template<typename RegistryTraits , typename Visitors >

const Visitors& Registry::detail::Visitor< RegistryTraits, Visitors >::visitors

Definition at line 581 of file Registry.h.

Referenced by Registry::detail::Visitor< RegistryTraits, Visitors >::BeginGroup(), Registry::detail::Visitor< RegistryTraits, Visitors >::EndGroup(), and Registry::detail::Visitor< RegistryTraits, Visitors >::Visit().

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The documentation for this struct was generated from the following file:

• Registry.h