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63 lines (48 loc) · 1.3 KB
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/* -*- C++ -*- */
#ifndef _PRINT_VISITOR_CPP_
#define _PRINT_VISITOR_CPP_
#include <iostream>
#include "Leaf_Node.h"
#include "Composite_Negate_Node.h"
#include "Composite_Add_Node.h"
#include "Composite_Subtract_Node.h"
#include "Composite_Divide_Node.h"
#include "Composite_Multiply_Node.h"
#include "Print_Visitor.h"
/// visit function - prints Leaf_Negate_Node contents to std::cout
void
Print_Visitor::visit (const Leaf_Node &node)
{
std::cout << node.item () << " ";
}
/// visit function - prints Composite_Negate_Node contents to std::cout
void
Print_Visitor::visit (const Composite_Negate_Node &node)
{
std::cout.put ('-');
}
/// visit function - prints Composite_Add_Node contents to std::cout
void
Print_Visitor::visit (const Composite_Add_Node &node)
{
std::cout << "+ ";
}
/// visit function - prints Composite_Subtract_Node contents to std::cout
void
Print_Visitor::visit (const Composite_Subtract_Node &node)
{
std::cout << "- ";
}
/// visit function - prints Composite_Divide_Node contents to std::cout
void
Print_Visitor::visit (const Composite_Divide_Node &node)
{
std::cout << "/ ";
}
/// visit function - prints Composite_Multiply_Node contents to std::cout
void
Print_Visitor::visit (const Composite_Multiply_Node &node)
{
std::cout << "* ";
}
#endif /* _PRINT_VISITOR_CPP_ */