node.cpp

易学c++源码

#include "node.h"
int Node::count=0;
int Node::readi() const//成员函数readi的定义
{
	return idata;
}
char Node::readc() const
{
	return cdata;
}
Node * Node::readp() const
{
	return prior;
}
Node * Node::readn() const
{
	return next;
}
bool Node::set(int i)//重载成员函数定义
{
	idata=i;
	return true;
}
bool Node::set(char c)
{
	cdata=c;
	return true;
}
bool Node::setp(Node *p)
{
	prior=p;
	return true;
}
bool Node::setn(Node *n)
{
	next=n;
	return true;
}
Node::Node()//构造函数的定义
{
	cout <<"Node constructor is running..." <<endl;//提示构造函数运行
	count++;
	idata=0;//初始化idata
	cdata='0';//初始化cdata
	prior=NULL;//初始化前驱结点指针
	next=NULL;//初始化后续结点指针
}
Node::Node(int i,char c)//构造函数重载1
{
	cout <<"Node constructor is running..." <<endl;
	count++;
	idata=i;
	cdata=c;
	prior=NULL;
	next=NULL;
}
Node::Node(int i,char c,Node *p,Node *n)//构造函数重载2
{
	cout <<"Node constructor is running..." <<endl;
	count++;
	idata=i;
	cdata=c;
	prior=p;
	next=n;
}
Node::Node(Node &n)
{
	count++;
	idata=n.idata;
	cdata=n.cdata;
	prior=n.prior;
	next=n.next;
}
Node::~Node()
{
	count--;
	cout <<"Node destructor is running..." <<endl;
}
int Node::allocation()
{
	return count;
}