項目相關(guān)代碼在碼云托管

#include"list.h"
#include<iostream>
using namespace std;
list::list()
{
    m_pList=new Node;
    m_pList->data=0;
    m_pList->next=NULL;
    m_pLength=0;
}

bool list::IsEmpty()
{
    if(m_pLength==0)
        return true;
    return false;
}
int list::listLength()
{
    return m_pLength;
}
void list::ClearList()
{
    Node *currentNode=m_pList->next;
    while(currentNode!=NULL)
    {
        Node *temp=currentNode->next;
        delete currentNode;
        currentNode=temp;
    }
    m_pList->next=NULL;
}
list::~list()
{
    ClearList();
    delete m_pList;
    m_pList=NULL;
}
bool list::ListInsertHead(Node *pNode)
{
    Node *temp=new Node;
    if(temp==NULL) return false;
    temp->data=pNode->data;
    temp->next=m_pList->next;
    m_pList->next=temp;
    m_pLength++;
    return true;
}
bool list::ListInsertTail(Node *pNode)
{
    Node* temp=new Node;
    if(temp==NULL)
        return false;
    temp->data=pNode->data;
    temp->next=NULL;
    Node* currentNode=m_pList;
    while (currentNode->next!=NULL)
    {
        currentNode=currentNode->next;
    }
    currentNode->next=temp;
    m_pLength++;
    return true;
}
bool list::ListInsert(int i,Node* pNode)
{
    if(i<0||i>m_pLength)
        return false;
    Node* temp=new Node;
    if(temp==NULL)
        return false;
    temp->data=pNode->data;
    Node* currentNode=m_pList;
    for (int k = 0; k <i; k++)
    {
        currentNode=currentNode->next;
    }
    temp->next=currentNode->next;
    currentNode->next=temp;
    m_pLength++;
    return true;

}
bool list::ListDelte(int i,Node* pNode)
{
    if(i<0||i>=m_pLength)
        return false;
    Node* currentNode=m_pList;
    for (int k = 0; k <i; k++)
    {
        currentNode=currentNode->next;
    }
    Node* temp=currentNode->next;
    currentNode->next=currentNode->next->next;
    pNode->data=temp->data;
    delete temp;
    temp=NULL;
    m_pLength--;
    return true;
}
bool list::GetElem(int i,Node* pNode)
{
    if(i<0||i>=m_pLength)
        return false;
    Node* currentNode=m_pList;
    for (int k = 0; k <=i; k++)
    {
        currentNode=currentNode->next;
    }
    pNode->data=currentNode->data;
    return true;
}
int list::LocateElem(Node* pNode)
{
    Node* currentNode=m_pList->next;
    int count=0;
    while (currentNode!=NULL)
    {
        if(currentNode->data==pNode->data)
            return count;
        count++;
        currentNode=currentNode->next;

    }
    return -1;
}
bool list::PriorElem(Node* currentNode,Node* preNode)
{
    Node* temp=m_pList;
    while (temp->next!=NULL)
    {
        if(temp->next->data==currentNode->data)
        {
            if(temp==m_pList)
                return false;
            preNode->data=temp->data;
            return true;
        }
        temp=temp->next;
    }
    return false;
}

bool list::NextElem(Node* currentNode,Node* nextNode)
{
    Node* temp=m_pList->next;
    while (temp!=NULL)
    {
        if(temp->data==currentNode->data)
        {
            if(temp->next==NULL) return false;
            nextNode->data=temp->next->data;
            return true;
        }
        temp=temp->next;
    }
    return false;
}
void list::ListTraverse()
{
    Node* currentNode=m_pList;
    while (currentNode->next!=NULL)
    {
        currentNode=currentNode->next;
        currentNode->printNode();
    }
}