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#include <iostream>
#include <iomanip>
#include <fstream>
using namespace std;
void openfiles(ifstream& infile,ofstream& outfile);
void file_input(ifstream& infile, int num[], double value[], char&type);
void calculations(int num[], double value[], char type);
void output(ofstream& outfile,int num[], double value[]);
int main()
{
int num[4];
double value[5];
char type;
ifstream infile;
ofstream outfile;
openfiles(infile, outfile);
file_input(infile, num, value, type);
while(infile)
{
calculations(num, value, type);
file_input(infile, num, value, type);
}
output(outfile, num, value);
return 0;
}
//PreConditions: The input file has been created
//PostConditions: INLABVI.DAT and OUTLABVI.OUT have been opened
void openfiles(ifstream& infile,ofstream& outfile)
{
infile.open("INLABVIII.DAT");
outfile.open("OUTLABVIII.OUT");
if (!infile || !outfile)
{
cout<<"Caution error opening files" << endl;
}
}
//PreConditions: INLABVI.DAT has been created
//PostConditions: CDt and CDv have been inputed via INLABVI.DAT
void file_input(ifstream& infile, int num[], double value[], char&type)
{
infile>>type>>value[5];
}
//PreConditions: CDt and CDv have been inputed via INLABVI.DAT
//PostConditions: The value of CD has increased by 1, CD type and Value has been added to their respective collection, and finally the total value of the whole
// collection has been calculated
void calculations(int num[], double value[], char type)
{
num[5]++;
switch(type)
{
case 'J':
{
num[0]++;
value[0]=value[0]+value[5];
break;
}
case 'R':
{
num[1]++;
value[1]=value[1]+value[5];
break;
}
case 'C':
{
num[2]++;
value[2]=value[2]+value[5];
break;
}
case 'N':
{
num[3]++;
value[3]=value[3]+value[5];
break;
}
default:
break;
}
value[4]=value[0]+value[1]+value[2]+value[3];
}
//PreConditions: OUTLABVI.OUT has been opened. The total value, total # of CDs, the total # of Jazz CDs and that value, the total # of Rock and Roll CDs
//and that value, the total # of Classical CDs and that value, and the total # of Country CDs and that value have been calculated.
//PostConditions: The types of CDs, the total # of those types, the total value of those types, and a running total of all CDs and their value have been output
//to the file OUTLABVI.OUT in the appropriate format.
void output(ofstream& outfile, int num[], double value[])
{
int v,w,x,y,z;
//////////////////////////////////// v width below
if(value[0] <=9)
{
v=11;
}
else if (value[0] <=99)
{
v=10;
}
else if (value[0] <=999)
{
v=9;
}
else
{
v=8;
}
//////////////////////////////////// w width below
if(value[1] <=9)
{
w=11;
}
else if (value[1] <=99)
{
w=10;
}
else if (value[1] <=999)
{
w=9;
}
else
{
w=8;
}
///////////////////////////////////// x width below
if(value[2] <=9)
{
x=11;
}
else if (value[2] <=99)
{
x=10;
}
else if (value[2] <=999)
{
x=9;
}
else
{
x=8;
}
//////////////////////////////////// y width below
if(value[3] <=9)
{
y=11;
}
else if (value[3] <=99)
{
y=10;
}
else if (value[3] <=999)
{
y=9;
}
else
{
y=8;
}
//////////////////////////////////// z width below
if(value[4] <=9)
{
z=11;
}
else if (value[4] <=99)
{
z=10;
}
else if (value[4] <=999)
{
z=9;
}
else
{
z=8;
}
//////////////////////////////////////
outfile<<setprecision(2)<<showpoint<<fixed;
outfile<<"Type of CD Number Value"<<endl;
outfile<<" Jazz"<<setw(17)<<num[0]<<setw(v)<<"$"<<value[0]<<endl;
outfile<<" Rock"<<setw(17)<<num[1]<<setw(w)<<"$"<<value[1]<<endl;
outfile<<" Classical"<<setw(12)<<num[2]<<setw(x)<<"$"<<value[2]<<endl;
outfile<<" Country & Western"<<setw(4)<<num[3]<<setw(y)<<"$"<<value[3]<<endl;
outfile<<" Totals"<<setw(15)<<num[4]<<setw(z)<<"$"<<value[4]<<endl;
system( "notepad.exe OUTLABVI.OUT" );
}
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