proxy::details::IndexBasedIterator< Cont > Class Template Reference

Iterator to random access collection storing a current index. More...

#include "CollectionProxy.h"

Public Types
using	container_t = Cont
using	value_type = util::collection_value_t< container_t >
using	const_iterator = IndexBasedIterator

Public Member Functions
	IndexBasedIterator ()=default
	Default constructor (required by iterator protocol): an unusable iterator. More...
	IndexBasedIterator (container_t const &cont, std::size_t index=0)
	Constructor: initializes from an iterator of the proxy main collection. More...
auto	operator* () const -> decltype(auto)
	Returns the value pointed by this iterator. More...
const_iterator &	operator++ ()
	Returns the value pointed by this iterator. More...
bool	operator!= (const_iterator const &other) const
	Returns whether the iterators point to the same element. More...

Protected Attributes
container_t const *	fCont = nullptr
	Pointer to the original container. More...
std::size_t	fIndex = std::numeric_limits<std::size_t>::max()
	Current index in the main collection. More...

Detailed Description

template<typename Cont>
class proxy::details::IndexBasedIterator< Cont >

Iterator to random access collection storing a current index.

Template Parameters

Cont	type of random-access container to iterate

Cont is a type providing a public operator[](std::size_t) method.

Definition at line 32 of file CollectionProxy.h.

Member Typedef Documentation

template<typename Cont >

using proxy::details::IndexBasedIterator< Cont >::const_iterator = IndexBasedIterator

Definition at line 338 of file CollectionProxy.h.

template<typename Cont >

using proxy::details::IndexBasedIterator< Cont >::container_t = Cont

Definition at line 335 of file CollectionProxy.h.

template<typename Cont >

using proxy::details::IndexBasedIterator< Cont >::value_type = util::collection_value_t<container_t>

Definition at line 337 of file CollectionProxy.h.

Constructor & Destructor Documentation

template<typename Cont >

proxy::details::IndexBasedIterator< Cont >::IndexBasedIterator ( )

default

Default constructor (required by iterator protocol): an unusable iterator.

template<typename Cont >

proxy::details::IndexBasedIterator< Cont >::IndexBasedIterator ( container_t const &  cont, std::size_t  index = 0  )

inline

Constructor: initializes from an iterator of the proxy main collection.

Definition at line 344 of file CollectionProxy.h.

        : fCont(&cont), fIndex(index)
      {}

Member Function Documentation

template<typename Cont >

bool proxy::details::IndexBasedIterator< Cont >::operator!= ( const_iterator const &  other ) const

inline

Returns whether the iterators point to the same element.

Definition at line 359 of file CollectionProxy.h.

References proxy::details::IndexBasedIterator< Cont >::fCont, and proxy::details::IndexBasedIterator< Cont >::fIndex.

      {
        return (other.fIndex != fIndex) || (other.fCont != fCont);
      }

template<typename Cont >

auto proxy::details::IndexBasedIterator< Cont >::operator* ( ) const -> decltype(auto)

inline

Returns the value pointed by this iterator.

Definition at line 349 of file CollectionProxy.h.

{ return fCont->operator[](fIndex); }

template<typename Cont >

const_iterator& proxy::details::IndexBasedIterator< Cont >::operator++ ( )

inline

Returns the value pointed by this iterator.

Definition at line 352 of file CollectionProxy.h.

      {
        ++fIndex;
        return *this;
      }

Member Data Documentation

template<typename Cont >

container_t const* proxy::details::IndexBasedIterator< Cont >::fCont = nullptr

protected

Pointer to the original container.

Definition at line 365 of file CollectionProxy.h.

Referenced by proxy::details::IndexBasedIterator< Cont >::operator!=().

template<typename Cont >

std::size_t proxy::details::IndexBasedIterator< Cont >::fIndex = std::numeric_limits<std::size_t>::max()

protected

Current index in the main collection.

Definition at line 368 of file CollectionProxy.h.

Referenced by proxy::details::IndexBasedIterator< Cont >::operator!=().

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

• lardata/v09_17_00/source/lardata/RecoBaseProxy/ProxyBase/CollectionProxy.h