//      point.cpp

#include <iostream>
using std::ostream;

#include "Point.h"

ostream & operator<<( ostream & out, const Point & r)
{
	out << '(' << r.getRow() << ',' << r.getColumn() << ')';
	return out;
}

Point::Point (void)
{
	 setRow(0).setColumn(0);       //  use of function chaining
}

Point::Point (int rowV, int columnV)
{
	 setRow(rowV).setColumn(columnV);  //  use of function chaining
}

Point::Point (const Point & old)
{
  setRow(old.getRow()).setColumn(old.getColumn()); //  use of function chaining
}

Point::~Point(void)
{
}

int Point::getRow(void) const
{
 return row;
}

int Point::getColumn(void) const
{
 return column;
}

Point & Point::setRow(int a)
{
  row = a;
  return *this;          //  return alias to invoking instance
}                        //     allows for chaining member functions

Point & Point::setColumn(int column)
{
 (*this).column = column;   // Some programmers pick the same name for the
 return *this;              // parameter as the instance field
}                           // Use (*this).column to refer to the instance field

const Point & Point::operator=(const Point & r)
{
	if ( this == & r ) return *this;      // for function chaining
	row    = r.row;
	column = r.column;
	return *this;
}

const Point & Point::print(ostream & w) const
{
  w <<'['<<getRow() <<','<< getColumn() <<']';
  return *this;
}