cs201/PG4/Node.cpp

//Ben Harris
//Node.cpp contains the code for each node

#include <iostream>
#include <cstdlib>
#include "Node.h"
#include "List.h"
#include "PG4.h"

using namespace std;

Node::Node(string s, Node *n) {
    value = s;
    next = n;
}

Node::~Node() { delete next; }

string Node::getvalue() { return value; }

int Node::getcount() { return cnt; }

Node *Node::getnext() { return next; }

void Node::setnext(Node *n) { next = n; }

Node *Node::add(string s, string l) {

    string lvalue = converttolower(value);

    if (lvalue == l) return this;
    if (l < lvalue) return new Node(s, this);

    if (!next) {
        next = new Node(s, NULL);
        return this;
    }

    next = next->add(s, l);
    return this;
}

void Node::print() {
    cout << value << endl;
    if (next) next->print();
}

Node *Node::remove(string s, Node *prev, List *l) {
    string lvalue = converttolower(value);
    if (next) next = next->remove(s, this, l);
    if (lvalue.find(s) < value.length() && lvalue.find(s) >= 0) {
        Node *t = next;
        next = NULL;
        delete this;
        return t;
    }
    return this;
}