#include<iostream.h>
 #include<fstream.h>
 


void eb_to_as();
void as_to_eb();



 int main(){

 
 //int wait_count;
 int men_op;
  
 cout<<"EBCDIC to ASCII Converter"<< endl; 
 cout<<"Version 2.00 With expanded char set"<< endl; 
 

 cout<<"Menu Options: \n";
 cout<<"1. Convert EBCDIC to ASCII\n";
 cout<<"2. Convert ASCII to EBCDIC\n";
 cout<<"3. Exit\n\n";
 cout<<"Enter menu option: ";

 cin>>men_op;
 while(men_op != 3){

	switch(men_op){
	case 0: break;
	case 1: eb_to_as(); break;
	case 2: as_to_eb(); break;
	case 3: break;
	default: cout<<"Not an option!\n\n"; break;
				 
	}
	men_op = 0;

 cout<<"Menu Options: \n";
 cout<<"1. Convert EBCDIC to ASCII\n";
 cout<<"2. Convert ASCII to EBCDIC\n";
 cout<<"3. Exit\n\n";
 cout<<"Enter menu option: ";

 cin>>men_op;


 }

return 0;
}


 void eb_to_as(){
 char ebcdic_in;
 char unconv_file[80];
 int rec_length;


 cout<<"\n\nPlease enter the EBCDIC file name: "; 
 cin>> unconv_file; 
 cout<<"\nEnter the record length. The old VAX format was: \"rec=80\\block=80\"\n";
 cout<<"Here, just enter the number, default is 80: ";
 cin>>rec_length;
 cout<< "\nConverting file, please wait..."; 
 ofstream outfile("ascii_conv.txt"); 
 ifstream infile(unconv_file);
 cout<<"\n\n";
 infile>>(ebcdic_in);
 int length_counter = 0;
 do{
	infile>>(ebcdic_in);
	
switch(ebcdic_in){
//Numbers
case 'ð': outfile<<0; break;
case 'ñ': outfile<<1; break;
case 'ò': outfile<<2; break;
case 'ó': outfile<<3; break;
case 'ô': outfile<<4; break;
case 'õ': outfile<<5; break;
case 'ö': outfile<<6; break;
case '÷': outfile<<7; break;
case 'ø': outfile<<8; break;
case 'ù': outfile<<9; break;
//Block Break
case 'Ð': outfile<<'}'; break;
//Alphabet
case 'Á': outfile<<'A'; break;
case 'Â': outfile<<'B'; break;
case 'Ã': outfile<<'C'; break;

case 'Ä': outfile<<'D'; break;
case 'Å': outfile<<'E'; break;
case 'Æ': outfile<<'F'; break;

case 'Ç': outfile<<'G'; break;
case 'È': outfile<<'H'; break;
case 'É': outfile<<'I'; break;

case 'Ñ': outfile<<'J'; break;
case 'Ò': outfile<<'K'; break;
case 'Ó': outfile<<'L'; break;

case 'Ô': outfile<<'M'; break;
case 'Õ': outfile<<'N'; break;
case 'Ö': outfile<<'O'; break;

case '×': outfile<<'P'; break;
case 'Ø': outfile<<'Q'; break;
case 'Ù': outfile<<'R'; break;

case 'â': outfile<<'S'; break;
case 'ã': outfile<<'T'; break;
case 'ä': outfile<<'U'; break;

case 'å': outfile<<'V'; break;
case 'æ': outfile<<'W'; break;
case 'ç': outfile<<'X'; break;

case 'è': outfile<<'Y'; break;
case 'é': outfile<<'Z'; break;
//Other
case '@': outfile<<' '; break;
default: outfile<<'0'; break;

}

//Record Length set here, default is 80
	length_counter++;
	if(length_counter == rec_length){
	outfile<<endl;
	length_counter = 0;
	}

 }while(!infile.eof());


 cout<<"\n\nThe converted file is named: ascii_conv.txt\n\n";
cout<<endl;
infile.close;
outfile.close(); 
return;

}





void as_to_eb(){


char ascii_in;
char unconv_file[80];
 


 cout<<"\n\nPlease enter the ASCII file name: "; 
 cin>> unconv_file; 
 
 cout<< "\nConverting file, please wait..."; 
 ofstream outfile("ebcdic_conv.txt"); 
 ifstream infile(unconv_file);
 cout<<"\n\n";
 infile>>(ascii_in);
 int length_counter = 0;
 do{
	infile>>(ascii_in);
	
switch(ascii_in){
//Numbers
case '0': outfile<<'ð'; break;
case '1': outfile<<'ñ'; break;
case '2': outfile<<'ò'; break;
case '3': outfile<<'ó'; break;
case '4': outfile<<'ô'; break;
case '5': outfile<<'õ'; break;
case '6': outfile<<'ö'; break;
case '7': outfile<<'÷'; break;
case '8': outfile<<'ø'; break;
case '9': outfile<<'ù'; break;
//Block Break
case '}': outfile<<'Ð'; break;
//Alphabet
case 'A': outfile<<'Á'; break;
case 'B': outfile<<'Â'; break;
case 'C': outfile<<'Ã'; break;

case 'D': outfile<<'Ä'; break;
case 'E': outfile<<'Å'; break;
case 'F': outfile<<'Æ'; break;

case 'G': outfile<<'Ç'; break;
case 'H': outfile<<'È'; break;
case 'I': outfile<<'É'; break;

case 'J': outfile<<'Ñ'; break;
case 'K': outfile<<'Ò'; break;
case 'L': outfile<<'Ó'; break;

case 'M': outfile<<'Ô'; break;
case 'N': outfile<<'Õ'; break;
case 'O': outfile<<'Ö'; break;

case 'P': outfile<<'×'; break;
case 'Q': outfile<<'Ø'; break;
case 'R': outfile<<'Ù'; break;

case 'S': outfile<<'â'; break;
case 'T': outfile<<'ã'; break;
case 'U': outfile<<'ä'; break;

case 'V': outfile<<'å'; break;
case 'W': outfile<<'æ'; break;
case 'X': outfile<<'ç'; break;

case 'Y': outfile<<'è'; break;
case 'Z': outfile<<'é'; break;
//Other
case ' ': outfile<<'@'; break;
default: outfile<<'0'; break;

}

//Record Length set here, default is 80
	length_counter++;
	if(length_counter == 80){
	outfile<<endl;
	length_counter = 0;
	}

 }while(!infile.eof());


 cout<<"\n\nThe converted file is named: ebcdic_conv.txt\n\n";
 cout<<endl;

infile.close;
outfile.close(); 


return;
}