「🏗️」 wip: started ex00

ex00/BitcoinExchange.cpp

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   BitcoinExchange.cpp                                :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/05/21 10:39:45 by adjoly            #+#    #+#             */
+/*   Updated: 2025/05/30 13:29:18 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <BitcoinExchange.hpp>
+#include <cstddef>
+#include <cstdio>
+#include <cstdlib>
+#include <ostream>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <utility>
+
+const uint32_t Date::_d_in_m[12] = {31, 29, 31, 30, 31, 30,
+									31, 31, 30, 31, 30, 31};
+
+void _log(std::string emoji, std::string what, std::string who,
+		  std::string str) {
+#ifdef VERBOSE
+	if (who.empty())
+		std::cout << "「" << emoji << "」" << what << ": " << str << std::endl;
+	else
+		std::cout << "「" << emoji << "」" << what << "(" << who << "): " << str
+				  << std::endl;
+#else
+	(void)emoji, (void)what, (void)who, (void)str;
+#endif
+}
+
+bool Date::_isMonthValid(uint16_t month) const {
+	if (month >= 1 && month <= 12)
+		return true;
+	return false;
+}
+
+bool Date::_isDayValid(uint16_t day, uint16_t month) const {
+	if (day >= 1 && day <= _d_in_m[month - 1])
+		return true;
+	return false;
+}
+
+Date::Date(void) : _year(0), _month(1), _day(1) {
+	_log("➕", "Date", "", "default constructor called");
+}
+
+Date::Date(std::string date) {
+	_log("➕", "Date", "", "string constructor called");
+	std::istringstream iss(date);
+	char			   del1, del2;
+	uint32_t		   year;
+	uint16_t		   month, day;
+
+	if (iss >> year >> del1 >> month >> del2 >> day) {
+		if (del1 == '-' && del2 == '-' && iss.eof()) {
+			if (_isMonthValid(month) && _isDayValid(day, month)) {
+				_year = year;
+				_month = month;
+				_day = day;
+				return;
+			}
+		}
+	}
+	throw std::runtime_error("Error: bad input => " + date);
+}
+
+Date::Date(const Date &cpy)
+	: _year(cpy._year), _month(cpy._month), _day(cpy._day) {
+	_log("➕", "Date", "", "copy constructor called");
+}
+
+Date::~Date(void) { _log("➖", "Date", "", "destructor called"); }
+
+Date &Date::operator=(const Date &cpy) {
+	_log("➕", "Date", "", "copy assignement constructor called");
+	if (&cpy != this) {
+		_year = cpy._year;
+		_month = cpy._month;
+		_day = cpy._day;
+	}
+	return *this;
+}
+
+uint32_t Date::getYear(void) const { return _year; }
+uint16_t Date::getMonth(void) const { return _month; }
+uint16_t Date::getDay(void) const { return _day; }
+
+bool Date::operator==(const Date &other) const {
+	return other._year == _year && other._month == _month && other._day == _day;
+}
+
+bool Date::operator!=(const Date &other) const {
+	return other._year != _year || other._month != _month || other._day != _day;
+}
+
+bool Date::operator<(const Date &other) const {
+	if (_year != other._year)
+		return _year < other._year;
+	if (_month != other._month)
+		return _month < other._month;
+	return _day < other._day;
+}
+
+bool Date::operator>(const Date &other) const {
+	if (_year != other._year)
+		return _year > other._year;
+	if (_month != other._month)
+		return _month > other._month;
+	return _day > other._day;
+}
+
+bool Date::operator<=(const Date &other) const {
+	return (*this) < other || (*this) == other;
+}
+
+bool Date::operator>=(const Date &other) const {
+	return (*this) > other || (*this) == other;
+}
+
+std::ostream &operator<<(std::ostream &os, const Date &date) {
+	os << date.getYear() << "-" << date.getMonth() << "-" << date.getDay();
+	return os;
+}
+
+CsvParser::CsvParser(void) : _is("data.csv") {
+	_log("➕", "CsvParser", "", "default constructor called");
+
+	if (_is.is_open() != true)
+		throw std::runtime_error("could not open database file");
+	std::string buf;
+
+	std::getline(_is, buf);
+	if (buf != "date,exchange_rate")
+		throw std::runtime_error("first line not good");
+
+	std::getline(_is, buf);
+	while (buf != "") {
+		size_t i = buf.find(",");
+		if (i == std::string::npos)
+			throw std::runtime_error("did not found ,");
+		Date  date(buf.substr(0, i));
+		float nb;
+		if (buf.substr(i + 1, buf.length()) == "0")
+			nb = 0;
+		else {
+			nb = std::atof(buf.substr(i + 1, buf.length()).c_str());
+			if (nb == 0)
+				throw std::runtime_error("number not well formatted - " +
+										 buf.substr(i + 1, buf.length()));
+		}
+		_csv.insert(std::make_pair(date, nb));
+		std::getline(_is, buf);
+	}
+}
+
+CsvParser::CsvParser(const CsvParser &cpy) {
+	_log("➕", "CsvParser", "", "copy constructor called");
+	if (&cpy != this) {
+	}
+}
+
+CsvParser::~CsvParser(void) { _log("➖", "CsvParser", "", "destructor called"); }
+
+CsvParser &CsvParser::operator=(const CsvParser &cpy) {
+	_log("➕", "CsvParser", "", "copy assignement constructor called");
+	if (&cpy != this) {
+	}
+	return *this;
+}
+
+std::map<Date, float> CsvParser::getCsv(void) const { return _csv; }