piscine_cpp/cpp09/ex00/main.cpp
2025-04-11 12:39:10 +02:00

64 lines
2.4 KiB
C++

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/04/08 12:15:32 by rparodi #+# #+# */
/* Updated: 2025/04/11 12:38:36 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "BitcoinExchange.hpp"
#include <cstdlib>
#include <fstream>
#include <iostream>
#include <map>
#include <string>
#include <unistd.h>
std::map<std::string, float>parse_file(std::string name) {
std::map<std::string, float> to_ret;
std::string tmpLine;
std::ifstream file(name);
size_t line = 1;
while (std::getline(file, tmpLine)) {
std::size_t limit = tmpLine.find(" | ");
if (limit == std::string::npos) {
std::cerr << CLR_RED << "Limiter not found at the line " << line << CLR_RESET << std::endl;
exit(1);
} else {
std::string tmpDate = tmpLine.substr(0, limit);
float tmpValue = std::atof(tmpLine.substr(limit + 3).c_str());
to_ret.insert(std::pair<std::string, float>(tmpDate, tmpValue));
}
}
return to_ret;
}
int main(int argc, char *argv[]) {
if (argc != 2) {
std::cerr << CLR_RED << "Usage: " << argv[0] << " <filename>" << CLR_RESET << std::endl;
exit(1);
}
if (access(argv[1], F_OK)) {
std::cerr << CLR_RED << "The file given in arguments have to exist" << CLR_RESET << std::endl;
exit(1);
}
if (access(argv[1], R_OK)) {
std::cerr << CLR_RED << "The file given in arguments have to be readable by the owner" << CLR_RESET << std::endl;
exit( 1);
}
if (access("data.csv", F_OK)) {
std::cerr << CLR_RED << "The file `data.csv` have to exist (to take it from the insta make get_db)" << CLR_RESET << std::endl;
exit(1);
}
if (access("data.csv", R_OK)) {
std::cerr << CLR_RED << "The program have to read on the file `data.csv`" << CLR_RESET << std::endl;
exit( 1);
}
std::map<std::string, float> user_db = parse_file(argv[1]);
}