ex01 done

2026-04-24 13:07:32 +02:00
parent 50cfaa5fcc
commit 270ddf75ae
4 changed files with 214 additions and 0 deletions
--- a/ex01/RPN.cpp
+++ b/ex01/RPN.cpp
@@ -0,0 +1,108 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   RPN.cpp                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42malaga.com>    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/04/24 12:37:09 by aortigos          #+#    #+#             */
+/*   Updated: 2026/04/24 12:37:09 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "RPN.hpp"
+
+//////////////////
+// Constructors //
+//////////////////
+
+RPN::RPN()
+{
+    // std::cout << "RPN default constructor called" << std::endl;
+}
+
+RPN::RPN(const RPN &other)
+{
+    *this = other;
+    // std::cout << "RPN copy constructor called" << std::endl;
+}
+
+RPN& RPN::operator=(const RPN &other)
+{
+    if (this != &other)
+    {
+        // Copy attributes here
+    }
+    // std::cout << "RPN copy assignment operator called" << std::endl;
+    return (*this);
+}
+
+RPN::~RPN()
+{
+    // std::cout << "RPN destructor called" << std::endl;
+}
+
+void    RPN::math(std::string data)
+{
+    std::istringstream  ss(data);
+    std::string         token;
+    int     nbr;
+
+    while (ss >> token)
+    {
+        if (isToken(token))
+        {
+
+            if (numbers.size() < 2)
+            {
+                std::cout << "Error." << std::endl;
+                return ;
+            }
+
+            int b = numbers.top();
+            numbers.pop();
+            int a = numbers.top();
+            numbers.pop();
+
+            if (token == "+")
+                numbers.push(a + b);
+            if (token == "-")
+                numbers.push(a - b);
+            if (token == "*")
+                numbers.push(a * b);
+            if (token == "/")
+                numbers.push(a / b);
+        }
+        else
+        {
+            char *endptr;
+
+            nbr = std::strtol(token.c_str(), &endptr, 10);
+            if (*endptr != '\0')
+            {
+                std::cout << "Error." << std::endl;
+                return ;
+            }
+
+            if (nbr >= 10)
+            {
+                std::cout << "Error." << std::endl;
+                return ;
+            }
+
+            this->numbers.push(nbr);
+        }
+    }
+    if (numbers.size() != 1)
+    {
+        std::cout << "Error." << std::endl;
+        return ;
+    }
+    std::cout << numbers.top() << std::endl;
+}
+
+bool    RPN::isToken(std::string token)
+{
+    return (token == "+" || token == "-" 
+            || token == "*" || token == "/");
+}