You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
156 lines
3.9 KiB
156 lines
3.9 KiB
// @Time : 2023-10-23 20:09:23
|
|
// @FileName: model.h
|
|
// @Author : 423A35C7
|
|
// @Software: VSCode
|
|
|
|
#ifndef _MODEL
|
|
#define _MODEL
|
|
|
|
#include "constants.h"
|
|
#include <bits/stdc++.h>
|
|
|
|
// using namespace std; // 会导致byte冲突
|
|
|
|
class Model {
|
|
// virtual void init(...) = 0;
|
|
};
|
|
|
|
template <class T, class Ref, class Ptr>
|
|
struct __SingleQueueModel_iterator;
|
|
|
|
template <typename T>
|
|
class SingleQueueModel : Model {
|
|
public: // 这里用保护属性会在view的resfresh里报错
|
|
class Node;
|
|
|
|
private:
|
|
// unique_ptr<Node> head(new Node()); // 这样会报错error: expected identifier before 'new'
|
|
// vector内对一个对象可能有多个引用，所以可能使用了unique_ptr就无法放置在vector里
|
|
std::shared_ptr<Node> head = std::make_shared<Node>(); // 好像用unique_ptr直接初始化会报错
|
|
Node *tail = head.get();
|
|
typedef __SingleQueueModel_iterator<T, const T &, const T *> const_iterator;
|
|
|
|
protected:
|
|
int_ length = 0;
|
|
|
|
public:
|
|
void init(){};
|
|
|
|
void push(const T &data) {
|
|
this->tail->next = new Node(data); // head指向的头结点无值
|
|
this->tail = this->tail->next; // tail指向的始终有值
|
|
this->length ++;
|
|
}
|
|
// Status pop(T&) = 0;
|
|
T shift() {
|
|
if (this->head->next == this->tail) {
|
|
this->tail = this->head.get(); // 只剩下一个元素的情况下删除后尾指针应指向头结点
|
|
}
|
|
Node node = *this->head->next; // 这个临时的结点在退出此函数时也会调用析构函数
|
|
delete this->head->next; // 这里会调用析构函数
|
|
this->head->next = node.next;
|
|
this->length --;
|
|
return node.data;
|
|
}
|
|
|
|
T &top() {
|
|
return this->head->next->data;
|
|
}
|
|
|
|
int_ get_length() {
|
|
return this->length;
|
|
}
|
|
|
|
// https://blog.csdn.net/qq_54851255/article/details/123939684
|
|
const_iterator begin() const {
|
|
return const_iterator(this->head->next);
|
|
}
|
|
|
|
const_iterator end() const {
|
|
return const_iterator(this->tail->next);
|
|
}
|
|
};
|
|
|
|
template <class T, class Ref, class Ptr>
|
|
struct __SingleQueueModel_iterator {
|
|
typedef class SingleQueueModel<T>::Node Node;
|
|
typedef __SingleQueueModel_iterator<T, Ref, Ptr> self;
|
|
Node *_node;
|
|
|
|
__SingleQueueModel_iterator(Node *x)
|
|
: _node(x) {}
|
|
Ref operator*() {
|
|
return _node->data;
|
|
}
|
|
|
|
Ptr operator->() {
|
|
return &_node->data;
|
|
}
|
|
|
|
self &operator++() {
|
|
_node = _node->next;
|
|
return *this;
|
|
}
|
|
|
|
self operator++(int) {
|
|
self tmp(*this);
|
|
_node = _node->next;
|
|
return tmp;
|
|
}
|
|
|
|
bool operator!=(const self& it) const
|
|
{
|
|
return _node != it._node;
|
|
}
|
|
};
|
|
|
|
// template <typename T>
|
|
// class SimpleQueueModel : public SingleQueueModel<T> {
|
|
// class Node; // 这一行必须得加上，表示子类需要重写父类的成员，否则在外部定义时会报错invalid class name in declaration of 'class SimpleQueueModel<T>::Node'
|
|
// };
|
|
|
|
template <typename T>
|
|
class SingleQueueModel<T>::Node {
|
|
public:
|
|
T data;
|
|
Node *next = NULL;
|
|
Node() {}
|
|
// Node(Node *) {}
|
|
Node(const T &data) {
|
|
this->data = data;
|
|
}
|
|
#if _DEBUG
|
|
~Node() {
|
|
TRACE_CMH_1;
|
|
std::cout << "Node " << data << " at " << this << " destructed" << std::endl;
|
|
}
|
|
#endif
|
|
};
|
|
|
|
template <typename T>
|
|
class ComplexSingleQueueModel : SingleQueueModel<T> {
|
|
public:
|
|
Status push(T) = 0;
|
|
Status pop(T &) = 0;
|
|
Status shift(T &) = 0;
|
|
};
|
|
|
|
template <typename SingleQueueModel>
|
|
class MultiQueueModel : Model {
|
|
public:
|
|
Status init(int_ queue_num) = 0;
|
|
Status get(int_ index, SingleQueueModel &) = 0;
|
|
Status move(int_ start, int_ destination) = 0;
|
|
};
|
|
|
|
struct Customer {
|
|
int_ number;
|
|
long cash;
|
|
};
|
|
|
|
std::ostream &operator<<(std::ostream &out, const Customer &customer) {
|
|
out << customer.number << " " << customer.cash;
|
|
return out;
|
|
};
|
|
|
|
#endif
|