not sure why it is doing this help please but only modify and update assessment.h and assessment.cpp
Question:
not sure why it is doing this help please but only modify and update assessment.h and assessment.cpp
assessment.cpp
#define _CRT_SECURE_NO_WARNINGS
#include "Assessment.h"
#include
namespace seneca {
bool read(int& value, FILE* fptr) {
return fscanf(fptr, "%d", &value) == 1;
}
bool read(double& value, FILE* fptr) {
return fscanf(fptr, "%lf", &value) == 1;
}
bool read(char* cstr, FILE* fptr) {
return fscanf(fptr, ",%60[^\n]\n", cstr) == 1;
}
bool read(Assessment& assess, FILE* fptr) {
double tempMark;
char tempTitle[61];
if (fscanf(fptr, "%lf,", &tempMark) == 1 && read(tempTitle, fptr)) {
assess.m_mark = new double;
assess.m_title = new char[strlen(tempTitle) + 1];
*assess.m_mark = tempMark;
strcpy(assess.m_title, tempTitle);
return true;
}
return false;
}
void freeMem(Assessment*& aptr, int size) {
for (int i = 0; i < size; ++i) {
delete aptr[i].m_mark;
delete[] aptr[i].m_title;
}
delete[] aptr;
aptr = nullptr;
}
int read(Assessment*& aptr, FILE* fptr) {
int numRecords;
if (!read(numRecords, fptr)) {
return 0;
}
aptr = new Assessment[numRecords];
int readCount = 0;
for (int i = 0; i < numRecords; ++i) {
if (read(aptr[i], fptr)) {
++readCount;
}
else {
break;
}
}
if (readCount != numRecords) {
freeMem(aptr, numRecords);
return 0;
}
return numRecords;
}
} // namespace seneca
assessment.h
#ifndef ASSESSMENT_H
#define ASSESSMENT_H
#include
namespace seneca {
struct Assessment {
double* m_mark;
char* m_title;
};
bool read(int& value, FILE* fptr);
bool read(double& value, FILE* fptr);
bool read(char* cstr, FILE* fptr);
bool read(Assessment& assess, FILE* fptr);
void freeMem(Assessment*& aptr, int size);
int read(Assessment*& aptr, FILE* fptr);
} // namespace seneca
#endif // ASSESSMENT_H
main.cpp
#define _CRT_SECURE_NO_WARNINGS
#include
#include
#include
#include "Assessment.h"
#include "Assessment.h"
#include "Assessment.h"
using namespace seneca;
using namespace std;
void display(const Assessment& a);
bool readTesters();
int main() {
if (readTesters()) {
int cnt;
Assessment* aptr = nullptr;
FILE* fptr = fopen("baddata.txt", "r");
cnt = read(aptr, fptr);
if (cnt) {
cout << "This should have failed, keep working on the workshop!" << endl;
}
else {
cout << "File records and number of records do not match!" << endl; // this is the correct output
}
fclose(fptr);
cout << "Listing Good Data:" << endl;
fptr = fopen("gooddata.txt", "r");
cnt = read(aptr, fptr);
if (cnt) {
for (int i = 0; i < cnt; i++) {
cout << (i + 1) << ": ";
display(aptr[i]);
}
freeMem(aptr, cnt);
}
else {
cout << "This should not have failed, keep working on the workshop!" << endl;
}
fclose(fptr);
}
return 0;
}
void display(const Assessment& a) {
cout.setf(ios::fixed);// setting the number of digits
cout.precision(1); // after the decimal point to 1
// this will be covered later
cout << a.m_title << ": " << *a.m_mark << endl;
}
bool readTesters() {
FILE* fptr = fopen("gooddata.txt", "r");
bool passed = true;
int i;
double d;
char str[61];
if (read(i, fptr) && i == 13) {
cout << "bool read(int& value, FILE* fptr) test passed" << endl;
}
else {
cout << "bool read(int& value, FILE* fptr) test failed" << endl;
passed = false;
}
if (passed && read(d, fptr) && (d - 70.9) < 0.0001 && (d - 70.9) > -0.0001) {
cout << "bool read(double& value, FILE* fptr) test passed" << endl;
}
else {
cout << "bool read(double& value, FILE* fptr) test failed" << endl;
passed = false;
}
if (passed && read(str, fptr) && strcmp(str, "Applied Problem Solving") == 0) {
cout << "bool read(double& value, FILE* fptr) test passed" << endl;
}
else {
cout << "bool read(double& value, FILE* fptr) test failed" << endl;
passed = false;
}
fclose(fptr);
return passed;
}
Expert Answer:
Business Analytics Data Analysis And Decision Making
ISBN: 9780357109953
7th Edition
Authors: S. Christian Albright, Wayne L. Winston
