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#include <iostream>
#include <sstream> //overloaded string for binary >>
#include <iomanip> //setprecision
#include <fstream> //ofstream ifstream
#include <string>
using namespace std;
class JellyBean
{
friend JellyBean operator + (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean);
friend JellyBean operator - (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean);
friend JellyBean operator * (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean);
friend JellyBean operator / (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean);
friend bool operator < (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean);
friend bool operator > (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean);
friend bool operator == (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean);
friend ostream& operator << (ostream& outputStream, JellyBean JellyBeanToPrint);
friend istream& operator >> (istream& inputStream, JellyBean& JellyBeanToInput);
public:
JellyBean();
JellyBean(int);
JellyBean(string, string, int);
void output();
private:
string flavor;
string color;
int quantity;
};//End Class
JellyBean::JellyBean()
{
flavor = "null";
color = "null";
quantity = 0;
}//End default constructor
JellyBean::JellyBean(int new_quantity)
{
flavor = "null";
color = "null";
quantity = new_quantity;
}//End constructor with one int
JellyBean::JellyBean(string new_flavor, string new_color, int new_quantity)
{
flavor = new_flavor;
color = new_color;
quantity = new_quantity;
}//End constructor with two strings and one int
//---------------------------JellyBean Operator Overload Functions -----------------------------
// Function: JellyBean operator functions
//
// Purpose: Overloads different operators to allow for comparison checks, reading in, and the
// output of private data members.
//
// Parameters: One or two based upon unary or binary operator.
//
//
// Returns: Streams for reading in or output, boolean for comparisons
// and manipulated private data member variables.
//----------------------------------------------------------------------------------------------
JellyBean operator + (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean)
{
return JellyBean (thefirstJellyBean.flavor + " plus " + thesecondJellyBean.flavor, thefirstJellyBean.color + " plus " + thesecondJellyBean.color,
thefirstJellyBean.quantity + thesecondJellyBean.quantity);
}//End overloaded +
JellyBean operator - (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean)
{
return JellyBean (thefirstJellyBean.flavor + " minus " + thesecondJellyBean.flavor, thefirstJellyBean.color + " minus " + thesecondJellyBean.color,
thefirstJellyBean.quantity - thesecondJellyBean.quantity);
}//End overloaded -
JellyBean operator * (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean)
{
return JellyBean (thefirstJellyBean.flavor + " times " + thesecondJellyBean.flavor, thefirstJellyBean.color + " times " + thesecondJellyBean.color,
thefirstJellyBean.quantity * thesecondJellyBean.quantity);
}//End overloaded *
JellyBean operator / (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean)
{
return JellyBean (thefirstJellyBean.flavor + " divided by " + thesecondJellyBean.flavor, thefirstJellyBean.color + " divided by " + thesecondJellyBean.color,
thefirstJellyBean.quantity / thesecondJellyBean.quantity);
}//End overloaded /
bool operator < (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean)
{
return (thefirstJellyBean.quantity < thesecondJellyBean.quantity);
}//End overloaded <
bool operator > (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean)
{
return (thefirstJellyBean.quantity > thesecondJellyBean.quantity);
}//End overloaded >
bool operator == (JellyBean thefirstJellyBean, JellyBean thesecondJellyBean)
{
return ((thefirstJellyBean.quantity == thesecondJellyBean.quantity) && (thefirstJellyBean.flavor == thesecondJellyBean.flavor)
&& (thefirstJellyBean.color == thesecondJellyBean.color));
}//End overloaded ==
ostream& operator << (ostream& outputStream, JellyBean JellyBeanToPrint)
{
cout << JellyBeanToPrint.flavor << " in flavor, "
<< JellyBeanToPrint.color << " in color, " << endl
<< "and I have " << JellyBeanToPrint.quantity << " jellybean(s)." << endl;
return outputStream;
}//End overloaded <<
istream& operator >> (istream& inputStream, JellyBean& JellyBeanToInput)
{
cout << "Enter a flavor, color, and quantity of jellybeans each" << endl
<< "separated by pressing enter" << endl;
cin >> JellyBeanToInput.flavor >> JellyBeanToInput.color >> JellyBeanToInput.quantity;
return inputStream;
}//End overloaded >>
void writeToFile(JellyBean outputStream)
{
ofstream fout;
fout.open("file.txt", ios::app);
if(fout.fail())
{
cout << "the file did not open" << endl;
exit(1);
}
else
{
//fout.setf(ios::fixed);
//fout.setf(ios::showpoint);
fout.precision(2);
fout << setw(15) << outputStream;
}
fout.close();
}
int main()
{
JellyBean flav1("Vanilla", "White", 25); //JellyBean objects created to be tested with overloaded operators
JellyBean flav2("Cherry", "Red", 30);
JellyBean flav3;
JellyBean flav4;
JellyBean flav5("Apple", "Green", 100);
JellyBean flav6("Chocolate", "Brown", 1000);
JellyBean flav7;
JellyBean flav8;
JellyBean flav9;
JellyBean flav10;
JellyBean flav11;
JellyBean flav12;
writeToFile(flav1);
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