JLANG::JSTDObjectIterator< T > Struct Template Reference

Implementation of object iteration from STD container. More...

#include <JSTDObjectIterator.hh>

Inheritance diagram for JLANG::JSTDObjectIterator< T >:

Public Types
typedef JCategory< typename T::value_type, JClass< typename T::reference >::is_constant >::value_type	value_type
typedef JRewindableObjectIterator< value_type >::pointer_type	pointer_type

Public Member Functions
	JSTDObjectIterator ()
	Default constructor. More...
	JSTDObjectIterator (T begin, T end)
	Constructor. More...
virtual void	rewind () override
	Rewind. More...
virtual bool	hasNext () override
	Check availability of next element. More...
virtual const pointer_type &	next () override
	Get next element. More...
virtual skip_type	skip (const skip_type ns) override
	Skip items. More...

Protected Attributes
T	__begin
T	__end
T	__i

Private Attributes
pointer_type	ps

Detailed Description

template<class T>
struct JLANG::JSTDObjectIterator< T >

Implementation of object iteration from STD container.

Definition at line 25 of file JSTDObjectIterator.hh.

Member Typedef Documentation

value_type

template<class T >

typedef JCategory<typename T::value_type, JClass<typename T::reference>::is_constant>::value_type JLANG::JSTDObjectIterator< T >::value_type

Definition at line 30 of file JSTDObjectIterator.hh.

pointer_type

template<class T >

typedef JRewindableObjectIterator<value_type>::pointer_type JLANG::JSTDObjectIterator< T >::pointer_type

Definition at line 31 of file JSTDObjectIterator.hh.

Constructor & Destructor Documentation

JSTDObjectIterator() [1/2]

template<class T >

JLANG::JSTDObjectIterator< T >::JSTDObjectIterator ( )

inline

Default constructor.

Definition at line 36 of file JSTDObjectIterator.hh.

    {}

JSTDObjectIterator() [2/2]

template<class T >

JLANG::JSTDObjectIterator< T >::JSTDObjectIterator ( T  begin, T  end  )

inline

Constructor.

Parameters

begin	begin of data
end	end of data

Definition at line 46 of file JSTDObjectIterator.hh.

                              :
      __begin(begin),
      __end  (end),
      __i    (begin)
    {}

Member Function Documentation

rewind()

template<class T >

virtual void JLANG::JSTDObjectIterator< T >::rewind ( )

inlineoverridevirtual

Rewind.

Implements JLANG::JRewindable< T >.

Definition at line 57 of file JSTDObjectIterator.hh.

    {
      __i = __begin;
    }

hasNext()

template<class T >

virtual bool JLANG::JSTDObjectIterator< T >::hasNext ( )

inlineoverridevirtual

Check availability of next element.

Returns

true if the iteration has more elements; else false

Implements JLANG::JObjectIterator< T >.

Definition at line 68 of file JSTDObjectIterator.hh.

    {
      return __i != __end;
    }

next()

template<class T >

virtual const pointer_type& JLANG::JSTDObjectIterator< T >::next ( )

inlineoverridevirtual

Get next element.

Returns

pointer to element

Implements JLANG::JObjectIterator< T >.

Definition at line 79 of file JSTDObjectIterator.hh.

    {
      if (hasNext())
        ps.reset(&(*__i++));
      else
        ps.reset(NULL);
      
      return ps;
    }

skip()

template<class T >

virtual skip_type JLANG::JSTDObjectIterator< T >::skip ( const skip_type  ns )

inlineoverridevirtual

Skip items.

Parameters

ns	number of items to skip

Returns

number of items skipped

Reimplemented from JLANG::JObjectIterator< T >.

Definition at line 96 of file JSTDObjectIterator.hh.

    {
      using namespace std;
 
      skip_type i = min(ns, (skip_type) distance(__i, __end));
      
      advance(__i, i);
 
      return i;
    }

Member Data Documentation

__begin

template<class T >

T JLANG::JSTDObjectIterator< T >::__begin

protected

Definition at line 108 of file JSTDObjectIterator.hh.

__end

template<class T >

T JLANG::JSTDObjectIterator< T >::__end

protected

Definition at line 109 of file JSTDObjectIterator.hh.

__i

template<class T >

T JLANG::JSTDObjectIterator< T >::__i

protected

Definition at line 110 of file JSTDObjectIterator.hh.

ps

template<class T >

pointer_type JLANG::JSTDObjectIterator< T >::ps

private

Definition at line 112 of file JSTDObjectIterator.hh.

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

• JSTDObjectIterator.hh