129 lines
3.7 KiB
C++
129 lines
3.7 KiB
C++
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* main.cpp :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2025/04/08 12:15:32 by rparodi #+# #+# */
|
|
/* Updated: 2025/04/11 15:07:21 by rparodi ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "BitcoinExchange.hpp"
|
|
#include <cmath>
|
|
#include <regex.h>
|
|
|
|
enum error_code {
|
|
NO_ERROR = 0,
|
|
NEGATIVE,
|
|
NO_FORMAT,
|
|
NO_DATE,
|
|
NO_LIMIT,
|
|
TOO_LARGE
|
|
};
|
|
|
|
typedef struct s_value {
|
|
enum error_code reason;
|
|
float value;
|
|
} value;
|
|
|
|
bool is_valid_format_date(std::string str) {
|
|
regex_t regex;
|
|
|
|
int ret = regcomp(®ex, "^[0-9]{4}-[0-9]{2}-[0-9]{2}$", REG_EXTENDED);
|
|
if (ret)
|
|
return false;
|
|
|
|
ret = regexec(®ex, str.c_str(), 0, NULL, 0);
|
|
if (ret)
|
|
return false;
|
|
regfree(®ex);
|
|
return true;
|
|
}
|
|
std::string check_date(std::string name, enum error_code *error_code) {
|
|
if (!is_valid_format_date(name)) {
|
|
*error_code = NO_FORMAT;
|
|
return (name);
|
|
}
|
|
std::string year = name.substr(0, 4);
|
|
std::string month = name.substr(5, 2);
|
|
if (month > "12") {
|
|
*error_code = NO_DATE;
|
|
return (name);
|
|
}
|
|
std::string day = name.substr(8, 2);
|
|
if (day > "28") {
|
|
if (month == "02" && day == "29") {
|
|
if ((atoi(year.c_str()) % 4 == 0) && (atoi(year.c_str()) % 100 != 0 || atoi(year.c_str()) % 400 == 0))
|
|
*error_code = NO_DATE;
|
|
}
|
|
else {
|
|
std::string month_30[] = {"04", "06", "09", "11"};
|
|
for (int i = 0; i < 4; i++) {
|
|
if (month == month_30[i] && day > "30") {
|
|
*error_code = NO_DATE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return (name);
|
|
}
|
|
|
|
value convertValue (enum error_code error, float value) {
|
|
s_value to_return;
|
|
to_return.reason = error;
|
|
to_return.value = value;
|
|
return to_return;
|
|
}
|
|
|
|
std::map<std::string, value>parse_input(std::string name) {
|
|
enum error_code tmpError;
|
|
|
|
std::ifstream file(name.c_str());
|
|
|
|
std::map<std::string, value> to_ret;
|
|
|
|
std::string tmpLine;
|
|
std::string tmpDate;
|
|
float tmpValue = 0;
|
|
|
|
while (std::getline(file, tmpLine)) {
|
|
tmpError = NO_ERROR;
|
|
std::size_t limit = tmpLine.find(" | ");
|
|
if (limit == std::string::npos) {
|
|
tmpError = NO_FORMAT;
|
|
} else {
|
|
tmpDate = check_date(tmpLine.substr(0, limit), &tmpError);
|
|
if (tmpError == NO_ERROR) {
|
|
tmpValue = std::atof(tmpLine.substr(limit + 3).c_str());
|
|
}
|
|
}
|
|
to_ret.insert(std::pair<std::string, value>(tmpDate, convertValue(tmpError, 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 intra 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, value> user_db = parse_input(argv[1]);
|
|
}
|