starting ex00

ex00/BitcoinExchange/BitcoinExchange.cpp

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   BitcoinExchange.cpp                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42malaga.com>    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/04/23 19:54:20 by aortigos          #+#    #+#             */
+/*   Updated: 2026/04/23 19:54:20 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "BitcoinExchange.hpp"
+
+//////////////////
+// Constructors //
+//////////////////
+
+BitcoinExchange::BitcoinExchange()
+{
+    // std::cout << "BitcoinExchange default constructor called" << std::endl;
+}
+
+BitcoinExchange::BitcoinExchange(const BitcoinExchange &other)
+{
+    *this = other;
+    // std::cout << "BitcoinExchange copy constructor called" << std::endl;
+}
+
+BitcoinExchange& BitcoinExchange::operator=(const BitcoinExchange &other)
+{
+    if (this != &other)
+    {
+        this->data = other.data;
+    }
+    // std::cout << "BitcoinExchange copy assignment operator called" << std::endl;
+    return (*this);
+}
+
+BitcoinExchange::~BitcoinExchange()
+{
+    // std::cout << "BitcoinExchange destructor called" << std::endl;
+}
+
+
+void	BitcoinExchange::readDatabase(std::ifstream &db)
+{
+	std::string line;
+	std::getline(db, line);
+
+	if (line != "date,exchange_rate")
+		throw std::exception();
+
+	size_t 	pos;
+	std::string	date;
+	std::string	price;
+
+	while (std::getline(db, line))
+	{
+		pos = line.find(',');
+		if (pos == std::string::npos)
+			continue ;
+		date = line.substr(0, pos);
+		price = line.substr(pos + 1);
+
+
+		this->data[date] = std::strtod(price.c_str(), NULL);
+	}
+
+}

ex00/BitcoinExchange/BitcoinExchange.hpp

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   BitcoinExchange.hpp                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42malaga.com>    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/04/23 19:54:20 by aortigos          #+#    #+#             */
+/*   Updated: 2026/04/23 19:54:20 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef BITCOINEXCHANGE_HPP
+# define BITCOINEXCHANGE_HPP
+
+# include <iostream>
+# include <fstream>
+# include <map>
+# include <cstdlib>
+
+using std::cout;
+using std::endl;
+
+class BitcoinExchange
+{
+    private:
+        std::map<std::string, double>	data;
+
+    public:
+        BitcoinExchange();
+        BitcoinExchange(const BitcoinExchange &other);
+        BitcoinExchange& operator=(const BitcoinExchange &other);
+        ~BitcoinExchange();
+
+		void	readDatabase(std::ifstream &db);
+};
+
+#endif

ex00/Makefile

@@ -0,0 +1,43 @@
+NAME = btc 
+
+SRC = main.cpp BitcoinExchange/BitcoinExchange.cpp
+
+
+OBJ = $(SRC:.cpp=.o)
+
+CC = c++
+CFLAGS = -Wall -Wextra -Werror -std=c++98
+
+GREEN = \033[0;32m
+RED   = \033[0;31m
+RESET = \033[0m
+
+TOTAL := $(words $(SRC))
+COUNT = 0
+
+all: $(NAME)
+
+$(NAME): $(OBJ)
+	@rm -f .build_start
+	@$(CC) $(CFLAGS) $(OBJ) -o $(NAME)
+	@printf "\n$(GREEN)✔ Listo (100%%)\n$(RESET)"
+
+%.o: %.cpp
+	@if [ ! -f .build_start ]; then printf "$(GREEN)Compilando archivos...\n$(RESET)"; touch .build_start; fi
+	@$(eval COUNT = $(shell echo $$(($(COUNT)+1))))
+	@PERCENT=$$(($(COUNT)*100/$(TOTAL))); \
+	BAR=$$(printf "%0.s#" $$(seq 1 $$((PERCENT/5)))); \
+	SPACE=$$(printf "%0.s " $$(seq 1 $$((20-PERCENT/5)))); \
+	printf "\r  [$$BAR$$SPACE] %3d%% (%d/%d) $<     " $$PERCENT $(COUNT) $(TOTAL)
+	@$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	@printf "$(RED)Eliminando...\n$(RESET)"
+	@rm -f $(OBJ)
+
+fclean: clean
+	@rm -f $(NAME)
+
+re: fclean all
+
+.PHONY: all clean fclean re

ex00/main.cpp

@@ -0,0 +1,43 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   main.cpp                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/04/23 19:58:34 by aortigos          #+#    #+#             */
+/*   Updated: 2026/04/23 20:48:10 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "BitcoinExchange/BitcoinExchange.hpp"
+
+int	main(int argc, char **argv)
+{
+
+	if (argc != 2)
+	{
+		cout << "Usage: ./btc <database>" << endl;
+		return (0);
+	}
+	
+	std::ifstream inFile(argv[1]);
+
+	if (!inFile)
+	{
+		cout << "Error: could not open database." << endl;
+		return (1);
+	}
+
+	BitcoinExchange bc;
+
+	try {
+		bc.readDatabase(inFile);
+	} catch (std::exception &e)
+	{
+		std::cout << e.what() << std::endl;
+	}
+	
+
+	return (0);
+}