klips/cpp/datastructs/circlesinglelist/circlesinglelist.h

50 lines
1.6 KiB
C++

/*#############################################################################
## Author: Shaun Reed ##
## Legal: All Content (c) 2020 Shaun Reed, all rights reserved ##
## About: An example of a circular singly linked list ##
## ##
## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
##############################################################################
## circlesinglelist.h
*/
#ifndef CIRCLESINGLELIST_H
#define CIRCLESINGLELIST_H
#include <iostream>
class CircleSingleList {
public:
CircleSingleList() : tail(NULL) {};
CircleSingleList(const CircleSingleList& rhs);
CircleSingleList operator=(CircleSingleList rhs);
~CircleSingleList();
bool insert(int val);
bool insert(int val, int key);
bool remove(int val);
bool replace(int val, int key);
void makeEmpty();
bool isEmpty() const;
int peek() const;
void print() const;
bool find(int val) const;
private:
struct Node {
int data;
Node *next;
Node(): data(), next(NULL) {};
Node(int val): data(val), next(this) {};
};
Node *tail;
bool insert(int val, Node *&tail);
bool insert(int val, int key, Node *&tail);
bool remove(int val, Node *&tail);
bool replace(int val, int key, Node *&tail);
Node* find(int val, Node *start) const;
Node* findPrevious(int val) const;
void print(Node *start) const;
};
#endif