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#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main()
{
for(;1;)
{
rerun:
system("CLS");
int ch;
char name[30];
cout<<"**********Welcome to Courier Service**********\n\n\n";
cout<<"\t\t:::Main Menu:::\n";
cout<<"\n"<<"1. Create Order";
cout<<"\n"<<"2. Trace Order";
cout<<"\n"<<"3. Modify Order Status";
cout<<"\n"<<"4. Expedite Order";
cout<<"\n"<<"5. Delete Order";
cout<<"\n"<<"6. Exit";
cout<<"\n \n"<<"Enter Choice::";
cin>>ch;
switch(ch)
{
case 1:
{
system("CLS");
cout<<"**********Welcome to Courier Service**********\n\n\n";
cout<<"\t\t:::Create Order Menu:::\n";
ofstream outfl;
outfl.open("order.txt",ios::app);
cout<<"\n"<<"1. Order No::";
gets(name);
gets(name);
outfl<<"#";
outfl<<name;
outfl<<'%';
cout<<"\n"<<"2. Order Owner::";
gets(name);
outfl<<name;
outfl<<'%';
cout<<"\n"<<"3. Order Weight::";
gets(name);
outfl<<name;
outfl<<'%';
cout<<"\n"<<"4. Order Due Date::";
gets(name);
outfl<<name;
outfl<<'^';
cout<<"\n"<<"5. Order Status::";
gets(name);
outfl<<name;
outfl<<'\n';
outfl.close();
break;
}
case 2:
{
search:
system("CLS");
cout<<"**********Welcome to Courier Service**********\n\n\n";
cout<<"\t\t:::Trace Order Menu:::\n\n";
string line;
string word;
size_t i;
int offset;
ifstream dict;
dict.open("order.txt",ios::in);
cout<<"\n"<<"Enter Order No::";
cin>>word;
word.insert(0,"#");
while (!dict.eof())
{
string OrderNo;
string OwnerName;
string OrderWeight;
string OrderDueDate;
string OrderStatus;
for(;!dict.eof();)
{
getline(dict, OrderNo, '%' );
getline(dict, OwnerName, '%');
getline(dict, OrderWeight, '%');
getline(dict, OrderDueDate, '^');
getline(dict, OrderStatus, '\n');
if (OrderNo.compare(word)== 0)
{
cout<<"OrderNo: "<<OrderNo<<endl;
cout<<"OwnerName: "<<OwnerName<<endl;
cout<<"OrderWeight: "<<OrderWeight<<endl;
cout<<"OrderDueDate: "<<OrderDueDate<<endl;
cout<<"OrderStatus: "<<OrderStatus<<endl;
}
else
break;
}
}
looper:
dict.close();
cout<<"\n\nTo search another order type 'Y' or to go back to Main Menu type 'N'\n\nEnter Choice::";
cin>>word;
if(word.compare("Y")==0 || word.compare("y")==0)
goto search;
else if (word.compare("N")==0 || word.compare("n")==0)
goto rerun;
break;
}
case 3:
{
int found;
long pos;
string word;
string line;
string status;
fstream myfile;
system("CLS");
cout<<"**********Welcome to Courier Service**********\n\n\n";
cout<<"\t\t:::Trace Order Menu:::\n\n";
cout<<"\n"<<"Enter Order No::";
cin>>word;
word.insert(0,"#");
myfile.open ("order.txt", ios::in | ios::out);
string OrderNo;
string OwnerName;
string OrderWeight;
string OrderDueDate;
string OrderStatus;
while (!myfile.eof())
{
for(;!myfile.eof();)
{
getline(myfile, OrderNo, '%' );
getline(myfile, OwnerName, '%');
getline(myfile, OrderWeight, '%');
getline(myfile, OrderDueDate, '^');
getline(myfile, OrderStatus, '\n');
if (OrderNo.compare(word)== 0)
{
cout<<"OrderNo: "<<OrderNo<<endl;
cout<<"OwnerName: "<<OwnerName<<endl;
cout<<"OrderWeight: "<<OrderWeight<<endl;
cout<<"OrderDueDate: "<<OrderDueDate<<endl;
cout<<"OrderStatus: "<<OrderStatus<<endl;
}
else
break;
}
}
cout<<"\n\nTo change order status type 'C'\nTo search another order type 'Y'\nOr to go back to Main Menu type 'N'\n\nEnter Choice::";
cin>>word;
if(word.compare("Y")==0 || word.compare("y")==0)
goto search;
else if (word.compare("N")==0 || word.compare("n")==0)
goto rerun;
else if (word.compare("C")==0 || word.compare("c")==0)
{
cout<<"\n"<<"Enter New Status::";
cin>>status;
if (myfile.is_open())
{
while( getline(myfile,line) )
{
found = line.find(OrderStatus);
if (found >= 0)
{
pos = myfile.tellg(); // Somewhere around here
cout<<pos<<endl;
line.replace(found, OrderStatus.size(),status);
cout<<line;
}
}
myfile.close();
}
else
cout << "Unable to open file";
return 0;
}
}
case 6:
{
exit(1);
}
}
}
return 1;
}
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