OperationSet.h

/*********************************************************************** Author: Zihan Chen (vczh) Licensed under https://github.com/vczh-libraries/License ***********************************************************************/

#ifndef VCZH_COLLECTIONS_OPERATIONSET

#define VCZH_COLLECTIONS_OPERATIONSET

#include "OperationEnumerable.h"

#include "OperationConcat.h"

#include "OperationSequence.h"

namespace

{

namespace

collections

{

/*********************************************************************** Intersect/Except ***********************************************************************/

template

typename

bool

Intersect

class

IntersectExceptEnumerator

public

virtual

IEnumerator

> {

protected

IEnumerator

enumerator

;

SortedList

reference

;

vint

index

;

public

IntersectExceptEnumerator

(

IEnumerator

_enumerator

const

IEnumerable

_reference

) :enumerator(

_enumerator

) ,index(-

) {

CopyFrom

(

reference

_reference

); }

IntersectExceptEnumerator

(

const

IntersectExceptEnumerator

_enumerator

) {

enumerator

_enumerator

enumerator

Clone

();

CopyFrom

(

reference

_enumerator

reference

);

index

_enumerator

index

; }

IntersectExceptEnumerator

() {

delete

enumerator

; }

IEnumerator

Clone

()

const

override

{

return

new

IntersectExceptEnumerator

this

); }

const

Current

()

const

override

{

return

enumerator

Current

(); }

vint

Index

()

const

override

{

return

index

; }

bool

()

override

{

while

(

enumerator

()) {

(

SortedListOperations

>::

Contains

(

reference

enumerator

Current

())==

Intersect

) {

index

++;

return

true

; } }

return

false

; }

void

Reset

()

override

{

enumerator

Reset

();

index

; } }; } }

#endif