Auxiliary class for object iteration via multiple pipes (e.g. operator | ..\ |). More...

#include <JObjectIterator.hh>

Inheritance diagram for JLANG::JMultiPipe< T, N >:

Public Types
typedef JObjectIterator< T >::pointer_type	pointer_type

Public Member Functions
	JMultiPipe (JObjectIterator< T > &input)
	Constructor. More...

	JMultiPipe (JObjectIterator< T > &input, const JValve< T > &valve)
	Constructor. More...

	JMultiPipe (JObjectIterator< T > &input, const JObjectSelector< T > &selector)
	Constructor. More...

	JMultiPipe (JObjectIterator< T > &input, const JRegulator &regulator)
	Constructor. More...

	JMultiPipe (JObjectIterator< T > &input, const JValve< T > &valve, const JObjectSelector< T > &selector, const JRegulator &regulator)
	Constructor. More...

virtual bool	hasNext ()
	Check availability of next element. More...

virtual const pointer_type &	next ()
	Get next element. More...

virtual skip_type	skip (const skip_type ns)
	Skip items. More...

Static Public Attributes
static JSinglePointer< JMultiPipe< T, N > >	pipe
	Declaration of common pipe. More...

Protected Attributes
JObjectIterator< T > &	in

const JValve< T > &	valve

const JObjectSelector< T > &	selector

const JRegulator &	regulator

Private Attributes
pointer_type	ps

pointer_type	p

Friends
void	operator\| (JMultiPipe &left, JObjectOutput< T > &right)
	Pipe terminator. More...

JMultiPipe< T, N+1 > &	operator\| (JMultiPipe &left, const JValve< T > &right)
	Recursive expansion of multi-pipe. More...

JMultiPipe< T, N+1 > &	operator\| (JMultiPipe &left, const JObjectSelector< T > &right)
	Recursive expansion of multi-pipe. More...

JMultiPipe< T, N+1 > &	operator\| (JMultiPipe &left, const JRegulator &right)
	Recursive expansion of multi-pipe. More...

template<class JBase_t >
JObjectMultiplexer< T, JBase_t > &	operator\| (JMultiPipe &left, const JType< JBase_t > &right)
	Pipe operator. More...

Detailed Description

template<class T, int N>
struct JLANG::JMultiPipe< T, N >

Auxiliary class for object iteration via multiple pipes (e.g. operator | ..\ |).

Definition at line 36 of file JObjectIterator.hh.

Member Typedef Documentation

◆ pointer_type

template<class T>

typedef JObjectIterator<T>::pointer_type JLANG::JPipe< T >::pointer_type

inherited

Definition at line 39 of file JPipe.hh.

Constructor & Destructor Documentation

◆ JMultiPipe() [1/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe ( JObjectIterator< T > & input )

inline

Constructor.

Parameters

input object iterator

Definition at line 205 of file JPipe.hh.

                                           :
       JPipe<T>(input, JValve<T>::getDefault(), JObjectSelector<T>::getDefault(), JRegulator::getDefault())
     {}

◆ JMultiPipe() [2/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe	(	JObjectIterator< T > &	input,
		const JValve< T > &	valve
	)

inline

Constructor.

Parameters

input	object iterator
valve	valve

Definition at line 216 of file JPipe.hh.

                                           :
       JPipe<T>(input, valve, JObjectSelector<T>::getDefault(), JRegulator::getDefault())
     {}

◆ JMultiPipe() [3/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe	(	JObjectIterator< T > &	input,
		const JObjectSelector< T > &	selector
	)

inline

Constructor.

Parameters

input	object iterator
selector	object selector

Definition at line 228 of file JPipe.hh.

                                                    :
       JPipe<T>(input, JValve<T>::getDefault(), selector, JRegulator::getDefault())
     {}

◆ JMultiPipe() [4/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe	(	JObjectIterator< T > &	input,
		const JRegulator &	regulator
	)

inline

Constructor.

Parameters

input	object iterator
regulator	regulator

Definition at line 240 of file JPipe.hh.

                                               :
       JPipe<T>(input, JValve<T>::getDefault(), JObjectSelector<T>::getDefault(), regulator)
     {}

◆ JMultiPipe() [5/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe	(	JObjectIterator< T > &	input,
		const JValve< T > &	valve,
		const JObjectSelector< T > &	selector,
		const JRegulator &	regulator
	)

inline

Constructor.

Parameters

input	object iterator
valve	valve
selector	object selector
regulator	regulator

Definition at line 254 of file JPipe.hh.

                                                     :
       JPipe<T>(input, valve, selector, regulator)
     {}

Member Function Documentation

◆ hasNext()

template<class T>

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

inlinevirtualinherited

Check availability of next element.

Returns: true if the iteration has more elements; else false

Implements JLANG::JObjectIterator< T >.

Definition at line 65 of file JPipe.hh.

     {
       if (!p.is_valid()) {
       
         if (valve.is_open()) {
         
           while (in.hasNext()) {
  
             p = in.next();
             
             if (selector.accept(*p)) {
               
               if (regulator.accept()) {
                 return true;
               }
             }
           }
         }
  
         p = NULL; // invalid pointer for next round
         
         return false;
         
       } else {
  
         return true;
       }
     }

◆ next()

template<class T>

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

inlinevirtualinherited

Get next element.

Returns: pointer to element

Implements JLANG::JObjectIterator< T >.

Definition at line 100 of file JPipe.hh.

     {
       ps = p;
  
       p.reset();
  
       return ps;
     }

◆ skip()

template<class T>

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

inlinevirtualinherited

Skip items.

Parameters

ns	number of items to skip

Returns: number of items skipped

Reimplemented from JLANG::JObjectIterator< T >.

Definition at line 116 of file JPipe.hh.

     {
       return in.skip(ns);
     }

Friends And Related Function Documentation

◆ operator| [1/5]

template<class T , int N>

void operator\|	(	JMultiPipe< T, N > &	left,
		JObjectOutput< T > &	right
	)

friend

Pipe terminator.

Parameters

left	pipe
right	object output

Definition at line 268 of file JPipe.hh.

     {
       left >> right;
     }

◆ operator| [2/5]

template<class T , int N>

JMultiPipe<T, N+1>& operator\|	(	JMultiPipe< T, N > &	left,
		const JValve< T > &	right
	)

friend

Recursive expansion of multi-pipe.

Parameters

left	multi-pipe
right	object valve

Returns: multi-pipe

Definition at line 281 of file JPipe.hh.

     {
       JMultiPipe<T, N+1>::pipe.reset(new JMultiPipe<T, N+1>(left, right));
       
       return *JMultiPipe<T, N+1>::pipe;
     }

◆ operator| [3/5]

template<class T , int N>

JMultiPipe<T, N+1>& operator\|	(	JMultiPipe< T, N > &	left,
		const JObjectSelector< T > &	right
	)

friend

Recursive expansion of multi-pipe.

Parameters

left	multi-pipe
right	object selector

Returns: multi-pipe

Definition at line 296 of file JPipe.hh.

     {
       JMultiPipe<T, N+1>::pipe.reset(new JMultiPipe<T, N+1>(left, right));
     
       return *JMultiPipe<T, N+1>::pipe;
     }

◆ operator| [4/5]

template<class T , int N>

JMultiPipe<T, N+1>& operator\|	(	JMultiPipe< T, N > &	left,
		const JRegulator &	right
	)

friend

Recursive expansion of multi-pipe.

Parameters

left	multi-pipe
right	regulator

Returns: multi-pipe

Definition at line 311 of file JPipe.hh.

     {
       JMultiPipe<T, N+1>::pipe.reset(new JMultiPipe<T, N+1>(left, right));
       
       return *JMultiPipe<T, N+1>::pipe;
     }

◆ operator| [5/5]

template<class T , int N>

template<class JBase_t >

JObjectMultiplexer<T, JBase_t>& operator\|	(	JMultiPipe< T, N > &	left,
		const JType< JBase_t > &	right
	)

friend

Pipe operator.

Parameters

left	object iterator
right	data type

Returns: object multiplexer

Definition at line 327 of file JPipe.hh.

     {
       JObjectMultiplexer<T, JBase_t>::multiplexer.reset(new JObjectMultiplexer<T, JBase_t>(left));
  
       return *JObjectMultiplexer<T, JBase_t>::multiplexer;
     }

Member Data Documentation

◆ pipe

template<class T , int N>

JSinglePointer< JMultiPipe< T, N > > JLANG::JMultiPipe< T, N >::pipe

static

Declaration of common pipe.

Definition of common pipe.

Definition at line 335 of file JPipe.hh.

◆ in

template<class T>

JObjectIterator<T>& JLANG::JPipe< T >::in

protectedinherited

Definition at line 123 of file JPipe.hh.

◆ valve

template<class T>

const JValve<T>& JLANG::JPipe< T >::valve

protectedinherited

Definition at line 124 of file JPipe.hh.

◆ selector

template<class T>

const JObjectSelector<T>& JLANG::JPipe< T >::selector

protectedinherited

Definition at line 125 of file JPipe.hh.

◆ regulator

template<class T>

const JRegulator& JLANG::JPipe< T >::regulator

protectedinherited

Definition at line 126 of file JPipe.hh.

◆ ps

template<class T>

pointer_type JLANG::JPipe< T >::ps

privateinherited

Definition at line 129 of file JPipe.hh.

◆ p

template<class T>

pointer_type JLANG::JPipe< T >::p

privateinherited

Definition at line 130 of file JPipe.hh.

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

Public Types

Public Member Functions

Static Public Attributes

Protected Attributes

Private Attributes

Friends

Detailed Description

template<class T, int N> struct JLANG::JMultiPipe< T, N >

Member Typedef Documentation

◆ pointer_type

Constructor & Destructor Documentation

◆ JMultiPipe() [1/5]

◆ JMultiPipe() [2/5]

◆ JMultiPipe() [3/5]

◆ JMultiPipe() [4/5]

◆ JMultiPipe() [5/5]

Member Function Documentation

◆ hasNext()

◆ next()

◆ skip()

Friends And Related Function Documentation

◆ operator| [1/5]

◆ operator| [2/5]

◆ operator| [3/5]

◆ operator| [4/5]

◆ operator| [5/5]

Member Data Documentation

◆ pipe

◆ in

◆ valve

◆ selector

◆ regulator

◆ ps

◆ p

template<class T, int N>
struct JLANG::JMultiPipe< T, N >