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#include <iostream>
#include <fstream>
#include <cstdlib>
#include <cstring>
using namespace std;
const int MAX = 100;
struct LocalStudent
{
char name[MAX];
float mark[MAX];
};
struct ForeignStudent
{
char country [MAX];
char name[MAX];
float mark[MAX];
};
union AllStudent
{
LocalStudent ls;
ForeignStudent fs;
};
struct Student
{
char type;
int noAssessment;
int final;
char grade [MAX];
AllStudent st;
};
void createBinary (ifstream&, char *, fstream&, char *);
void processText (ifstream&, char *, fstream&, char *);
.
.
.
.
.
.
void createBinary (ifstream& infile, char *in_textFileName, fstream& afile, char *out_binFileName)
{
infile.open (in_textFileName, ios::in);
afile.open (out_binFileName, ios::out | ios::binary);
if(!infile.good())
{
cout << in_textFileName << " opened for reading failed" << endl
<< "End of task"<< endl;
return;
}
cout << in_textFileName << " sucessfully opened for reading" << endl;
if(!afile.good())
{
cout << out_binFileName << " opened for writing failed" << endl
<< "End of task"<< endl;
return;
}
cout << out_binFileName << " successfully opened for writing" << endl;
char n;
Student stud;
int no;
int a = 0;
while (infile >> n)
{
char ch;
infile.get(ch);
switch (n)
{
case 'F': stud.type = n;
infile >> stud.st.fs.country;
infile.getline(stud.st.fs.name, MAX);
break;
case 'S': stud.type = n;
infile.getline(stud.st.ls.name, MAX);
break;
}
afile.write (reinterpret_cast <const char *> (&stud), sizeof (stud));
}
cout << "How many assessment components? ";
cin >> no;
stud.noAssessment = no;
for(int a = 0; a < 0; ++a)
{
cin >> stud.st.ls.mark[a];
}
infile.close();
cout << in_textFileName << " successfully closed" <<endl;
afile.close();
cout << out_binFileName << " successfully created" << endl;
}
//Process of assessment template (text file)
void processText(ifstream& infile, char *in_binFileName, fstream& afile, char *out_textFileName)
{
infile.open (in_binFileName, ios::binary | ios::in);
afile.open (out_textFileName, ios::out);
if (!infile.good())
{
cout << in_binFileName << " opened for reading failed " << endl;
return;
}
cout << in_binFileName << " sucessfully opened for reading" << endl;
if(!afile.good())
{
cout << out_textFileName << " opened for writing failed" << endl;
return;
}
cout << out_textFileName << " successfully opened for writing" << endl;
Student stud;
int i = 0;
while (infile.read (reinterpret_cast <char *>(&stud), sizeof (stud)))
{
afile << ++i << "\t";
if (stud.type == 'F')
afile << stud.st.fs.country //<< "\t"
<< stud.st.fs.name << "\t"
// << stud.noAssessment << "\t"
<< stud.final << "\t"
// << stud.st.fs.grade << "\t"
<< endl;
else if (stud.type == 'S')
afile << "Singapore" << "\t"
<< stud.st.ls.name << "\t"
<< stud.st.ls.mark << "\t"
<< stud.final << "\t"
// << stud.st.ls.grade << "\t"
<< endl;
}
infile.close ();
cout << in_binFileName << " successfully closed" << endl;
afile.close ();
cout << out_textFileName << " successfully created" << endl;
}
Actual output wanted:
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