need to fill in the missing things in the code priceList.h and priceList.cpp her

ID: 3869942 • Letter: N

Question

need to fill in the missing things in the code priceList.h and priceList.cpp here is the code.

//priceList.h

};

=============================================================================

//priceList.cpp

}

===========================================================================

//PriceListItem.h

#ifndef PRICELISTITEM_H
#define PRICELISTITEM_H
#include <string>
using namespace std;
class PriceListItem
{
private:
string code;
double price;
string itemName;
bool taxable;
//Pointer to next Item, As the items are maintained as Linked List
//PriceListItem *nextItem = NULL;
public:
//Constructor with all details
PriceListItem();
PriceListItem(const string &itemName, const string &code, double price, bool taxable);
//Public methods to access its properties
string getCode();
double getPrice();
string getItemName();
bool isTaxable();

};

#endif // PRICELISTITEM_H

=========================================================

//main.cpp

#include <iostream>

#include <fstream>

#include <string>

#include <stdexcept>

#include "PriceList.h"

#include "GroceryBill.h"
#include "priceListItem.h"

//////////////////////////////////////////////////////////////////////////////////////////////

// DO NOT EDIT THIS FILE (except for your own testing)

// CODE WILL BE GRADED USING A MAIN FUNCTION SIMILAR TO THIS

//////////////////////////////////////////////////////////////////////////////////////////////

using namespace std;

template <typename T>

bool testAnswer(const string &nameOfTest, const T &received, const T &expected) {

if (received == expected) {

cout << "PASSED " << nameOfTest << ": expected and received " << received << endl;

return true;

}

cout << "FAILED " << nameOfTest << ": expected " << expected << " but received " << received << endl;

return false;

}

template <typename T>

bool testAnswerEpsilon(const string &nameOfTest, const T &received, const T &expected) {

const double epsilon = 0.0001;

if ((received - expected < epsilon) && (expected - received < epsilon)) {

cout << "PASSED " << nameOfTest << ": expected and received " << received << endl;

return true;

}

cout << "FAILED " << nameOfTest << ": expected " << expected << " but received " << received << endl;

return false;

}

int main() {

{

//test only the PriceList class

PriceList priceList;

priceList.addEntry("Apples", "1000", 1.99, false);

priceList.addEntry("Bananas", "2000", 0.99, false);

testAnswer("PriceList isValid1", priceList.isValid("1000"), true);

testAnswer("PriceList isValid2", priceList.isValid("19"), false);

// test copy constructor

PriceList priceList2 = priceList;

testAnswer("PriceList copy constructor test1", priceList2.isValid("1000"), true);

priceList.addEntry("Milk", "3000", 3.49, false);

priceList2.addEntry("Eggs", "4000", 4.99, false);

testAnswer("PriceList copy constructor test2", priceList.isValid("4000"), false);

// test assignment operator

PriceList priceList3;

priceList3 = priceList;

testAnswer("PriceList assignment test1", priceList3.isValid("1000"), true);

priceList.addEntry("Orange_juice_1gal", "4500", 6.49, false);

priceList3.addEntry("Diapers_30ct", "5000", 19.99, false);

testAnswer("PriceList assignment test2", priceList.isValid("5000"), false);

   {

// test capacity of the PriceList class

PriceList priceList;

for (int i = 1; i<100000; i++)

priceList.addEntry(string("Apples_") + to_string(i), to_string(i), 1.99, false);

testAnswer("PriceList big data1", priceList.isValid("20000"), true);

testAnswer("PriceList big data2", priceList.isValid("100000"), false);

}

system("pause");
}

#pragma once #include <string> #include <stdexcept> #include "PriceListItem.h" using namespace std; class PriceList { public: void createPriceListFromDatafile(string filename); // Load information from a text file with the given filename (Completed) void addEntry(string itemName, string code, double price, bool taxable); // add to the price list information about a new item. A max of 1,000,000 entries can be added bool isValid(string code) const; // return true only if the code is valid PriceListItem getItem(string code) const; // return price, item name, taxable? as an PriceListItem object; throw exception if code is not found private: // Add private member variables for your class along with any // other variables required to implement the public member functions // TO BE COMPLETED

};

=============================================================================

//priceList.cpp

#include <string> #include <iostream> #include <fstream> #include <stdexcept> #include "PriceList.h" #include "PriceListItem.h" using namespace std; // Load information from a text file with the given filename. void PriceList::createPriceListFromDatafile(string filename) { ifstream myfile(filename); if (myfile.is_open()) { cout << "Successfully opened file " << filename << endl; string name; string code; double price; bool taxable; while (myfile >> name >> code >> price >> taxable) { // cout << code << " " << taxable << endl; addEntry(name, code, price, taxable); } myfile.close(); } else throw invalid_argument("Could not open file " + filename); } // return true only if the code is valid bool PriceList::isValid(string code) const { // TO BE COMPLETED } // return price, item name, taxable? as an ItemPrice object; throw exception if code is not found PriceListItem PriceList::getItem(string code) const { // TO BE COMPLETED } // add to the price list information about a new item void PriceList::addEntry(string itemName, string code, double price, bool taxable) { // TO BE COMPLETED

}

===========================================================================

//PriceListItem.h

};

#endif // PRICELISTITEM_H

=========================================================

//main.cpp

#include <iostream>

#include <fstream>

#include <string>

#include <stdexcept>

#include "PriceList.h"

#include "GroceryBill.h"
#include "priceListItem.h"

//////////////////////////////////////////////////////////////////////////////////////////////

// DO NOT EDIT THIS FILE (except for your own testing)

// CODE WILL BE GRADED USING A MAIN FUNCTION SIMILAR TO THIS

//////////////////////////////////////////////////////////////////////////////////////////////

using namespace std;

template <typename T>

bool testAnswer(const string &nameOfTest, const T &received, const T &expected) {

if (received == expected) {

cout << "PASSED " << nameOfTest << ": expected and received " << received << endl;

return true;

}

cout << "FAILED " << nameOfTest << ": expected " << expected << " but received " << received << endl;

return false;

}

template <typename T>

bool testAnswerEpsilon(const string &nameOfTest, const T &received, const T &expected) {

const double epsilon = 0.0001;

if ((received - expected < epsilon) && (expected - received < epsilon)) {

cout << "PASSED " << nameOfTest << ": expected and received " << received << endl;

return true;

}

cout << "FAILED " << nameOfTest << ": expected " << expected << " but received " << received << endl;

return false;

}

int main() {

{

//test only the PriceList class

PriceList priceList;

priceList.addEntry("Apples", "1000", 1.99, false);

priceList.addEntry("Bananas", "2000", 0.99, false);

testAnswer("PriceList isValid1", priceList.isValid("1000"), true);

testAnswer("PriceList isValid2", priceList.isValid("19"), false);

// test copy constructor

PriceList priceList2 = priceList;

testAnswer("PriceList copy constructor test1", priceList2.isValid("1000"), true);

priceList.addEntry("Milk", "3000", 3.49, false);

priceList2.addEntry("Eggs", "4000", 4.99, false);

testAnswer("PriceList copy constructor test2", priceList.isValid("4000"), false);

// test assignment operator

PriceList priceList3;

priceList3 = priceList;

testAnswer("PriceList assignment test1", priceList3.isValid("1000"), true);

priceList.addEntry("Orange_juice_1gal", "4500", 6.49, false);

priceList3.addEntry("Diapers_30ct", "5000", 19.99, false);

testAnswer("PriceList assignment test2", priceList.isValid("5000"), false);

   {

// test capacity of the PriceList class

PriceList priceList;

for (int i = 1; i<100000; i++)

priceList.addEntry(string("Apples_") + to_string(i), to_string(i), 1.99, false);

testAnswer("PriceList big data1", priceList.isValid("20000"), true);

testAnswer("PriceList big data2", priceList.isValid("100000"), false);

}

system("pause");
}

Objective You are given partial implementations of three classes. Briselist is a class to hold information of all items in the grocery store. There could be up to 1,000,000 items. The information of each item is its price barcode, item name, and whether it is taxable; these are kept together in Class RriceLigtItem. The items in PriceList are loaded all together from a text filel, or inserted one at a time. The complete grocery bill is computed in Class GrecervBill. To do so, it is given (a const pointer to) a previously created eieat to get the prices, and the tax rate percentage for taxable items when constructed. It is then given barcodes of items and their quantity. The barcodes can be given one at a time, or they can be collected together in a text file. You are to complete the implementations of these classes, adding public/private member variables and functions as needed. You should not use any of the C++ Standard Library containers (such as std::array, std::vector, std::list) for this project. Your code is tested in the provided main.cpp. Initially, the given code does not even compile. As you complete the code, it will pass the tests in the main

Explanation / Answer

#pragam once

#include<string>

#include<stdexecpt>

#include "Pricelistitem.h"

using namespace std;

class PriceList

{

public:

PriceList();

void createPriceListFromDatafile(string filename);

void addEntry(string itemName,string code,double price,bool taxable);

bool is valid(string code)const;

PriceListitem getitem(string code)const;

private:

//Add private member variables for your class along with any

// other variables required to implement the public member functions

//TO BE COMPLETED

//first item pointer in the list

PriceListitem*priceitemListHead;

const int MAX_NUMBER_OF_ITEMS = 1000000;

//to keep track of number of items added to the list

int item_added;

//public:

//will return priceitemLilstHead if required

//priceListitem* getPriceList();

};

//priceList.cpp

#include<string>

#include<iostream>

#include<fstream>

#include<stdexecpt>

#include"PriceList.h"

#include"PriceListitem.h"

using namespace std;

//Load information from a text file with the given filename

void PriceList::createPriceListFormDatafile(string filename)

{

item_added = 0;

ifstream myfile(filename);

if(mylife is_open())

{

cout <<"Successfully opened file"<<filename<<endl;

string name;

string code;

double price;

bool taxable;

while(mylife>>name >>code>>price>>taxable)

{

//cout<<code<<""<<taxable<<endl;

addEntry(name,code,price,taxable);

}

mylife.close();

}

else

throw invalid_argument("could not open file"+filename);

}

//return true only if the code is valid

boolPriceList::is Valid(string code)const

{

//TO BE COMPLETED

Pricelistitem *temp = priceitemListHead;

if(temp!=NULL)

{

//compare the code with first item code,if found return true

if(temp->getCode().compare(code)==0)

{

//item found

return true;

}

//go to the next item

temp = temp->nextitem;

}

//item with this code not found ,so retrun false

//item not valid

return false;

}

//return price,item name,taxable? as an itemPrice object;throw execption if code is not found

PriceListitem PriceList::getitem(string code) const

{

//TO BE COMPLETED

PriceListItem *temp = priceitemListHead;

//check if there is item in the list

if(temp!= NULL)

{

//compare the code with the first item

if(temp->getCode().compare(code)==0)

{

//item found,return item

return *temp;

}

//check if there are more items ,if not found previsouly

while(temp->nextitem !=NULL)

{

//compare the code with the first item

if(item->getCode().compare(code)==0)

{

//code matches ,return item

return *temp;

}

//go to the next item

temp = temp ->nextitem;

}

//item not found in the item list

//return nothing

return nulptr;

}

//add to the price list information about a new itam

void PriceList::addEntry(string itemName,string code,double price,bool taxable)

{

//TO BE COMPLETED

//check if list is not exceeding the limit

if(item_added>=MAX_NUMBER_OF_ITEMS)

return;

//create a new item

PriceListitem item(itemname.code,price,taxable);

//make item next to NULL,if you have decleared a nextitem pointer in PriceListitem

item.nextitem =NULL;

//copy the list in temp pointers

PriceListitem*temp pointers

//if the list is not empty

if(temp!=NULL)

{

while(temp->nextitem!=NULL)

{

//go to next item,since we want to add this item in the last

temp = temp->nextitem;

}

//insert item at the end

temp->nextitem=&newitem;

}

//if the list is empty

else

{

//make it the first item of the list

PriceitemlistHead=&newitem;

}

//increase number of items added

item_added++;

}

/*//will return the item list,if required

PriceListitem*PriceList::getPriceList()

{

return itemList;

}

Navigate

need to figure out part a and b. Consider the following financial statements for

need to fill it out this is the data: A Byte of Accounting, Inc. Statement of Ch

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.

need to fill in the missing things in the code priceList.h and priceList.cpp her

Question

Explanation / Answer

Related Questions

Navigate