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#include "Date.hpp"
#include <cctype>
#include <algorithm>
#include "Logger.hpp"
using namespace OpenVic2;
Timespan::Timespan(day_t value) : days{value} {}
bool Timespan::operator<(Timespan other) const { return days < other.days; };
bool Timespan::operator>(Timespan other) const { return days > other.days; };
bool Timespan::operator<=(Timespan other) const { return days <= other.days; };
bool Timespan::operator>=(Timespan other) const { return days >= other.days; };
bool Timespan::operator==(Timespan other) const { return days == other.days; };
bool Timespan::operator!=(Timespan other) const { return days != other.days; };
Timespan Timespan::operator+(Timespan other) const { return days + other.days; }
Timespan Timespan::operator-(Timespan other) const { return days - other.days; }
Timespan Timespan::operator*(day_t factor) const { return days * factor; }
Timespan Timespan::operator/(day_t factor) const { return days / factor; }
Timespan& Timespan::operator+=(Timespan other) {
days += other.days;
return *this;
}
Timespan& Timespan::operator-=(Timespan other) {
days -= other.days;
return *this;
}
Timespan& Timespan::operator++() {
days++;
return *this;
}
Timespan Timespan::operator++(int) {
Timespan old = *this;
++(*this);
return old;
}
Timespan::operator day_t() const {
return days;
}
Timespan::operator double() const {
return days;
}
Timespan::operator std::string() const {
return std::to_string(days);
}
std::ostream& OpenVic2::operator<<(std::ostream& out, Timespan timespan) {
return out << static_cast<std::string>(timespan);
}
Timespan Date::_dateToTimespan(year_t year, month_t month, day_t day) {
month = std::clamp<month_t>(month, 1, MONTHS_IN_YEAR);
day = std::clamp<day_t>(day, 1, DAYS_IN_MONTH[month - 1]);
return year * DAYS_IN_YEAR + DAYS_UP_TO_MONTH[month - 1] + day - 1;
}
Date::Date(Timespan total_days) : timespan{ total_days } {
if (timespan < 0) {
Logger::error("Invalid timespan for date: ", timespan, " (cannot be negative)");
timespan = 0;
}
}
Date::Date(year_t year, month_t month, day_t day) : timespan{ _dateToTimespan(year, month, day) } {}
Date::year_t Date::getYear() const {
return static_cast<Timespan::day_t>(timespan) / DAYS_IN_YEAR;
}
Date::month_t Date::getMonth() const {
return ((static_cast<Timespan::day_t>(timespan) % DAYS_IN_YEAR) / 32) + 1;
}
Date::day_t Date::getDay() const {
const Timespan::day_t days_in_year = static_cast<Timespan::day_t>(timespan) % DAYS_IN_YEAR;
return days_in_year - DAYS_UP_TO_MONTH[days_in_year / 32] + 1;
}
bool Date::operator<(Date other) const { return timespan < other.timespan; };
bool Date::operator>(Date other) const { return timespan > other.timespan; };
bool Date::operator<=(Date other) const { return timespan <= other.timespan; };
bool Date::operator>=(Date other) const { return timespan >= other.timespan; };
bool Date::operator==(Date other) const { return timespan == other.timespan; };
bool Date::operator!=(Date other) const { return timespan != other.timespan; };
Date Date::operator+(Timespan other) const { return timespan + other; }
Timespan Date::operator-(Date other) const { return timespan - other.timespan; }
Date& Date::operator+=(Timespan other) {
timespan += other;
return *this;
}
Date& Date::operator-=(Timespan other) {
timespan -= other;
return *this;
}
Date& Date::operator++() {
timespan++;
return *this;
}
Date Date::operator++(int) {
Date old = *this;
++(*this);
return old;
}
Date::operator std::string() const {
std::stringstream ss;
ss << *this;
return ss.str();
}
std::ostream& OpenVic2::operator<<(std::ostream& out, Date date) {
return out << (int) date.getYear() << '.' << (int) date.getMonth() << '.' << (int) date.getDay();
}
// Parsed from string of the form YYYY.MM.DD
Date Date::from_string(std::string const& date) {
year_t year = 0;
month_t month = 1;
day_t day = 1;
size_t first_pos = 0;
while (first_pos < date.length() && std::isdigit(date[first_pos++]));
year = atoi(date.substr(0, first_pos).c_str());
if (first_pos < date.length()) {
if (date[first_pos] == '.') {
size_t second_pos = first_pos + 1;
while (second_pos < date.length() && std::isdigit(date[second_pos++]));
month = atoi(date.substr(first_pos, second_pos - first_pos).c_str());
if (second_pos < date.length()) {
if (date[second_pos] == '.') {
size_t third_pos = second_pos + 1;
while (third_pos < date.length() && std::isdigit(date[third_pos++]));
day = atoi(date.substr(second_pos, third_pos - second_pos).c_str());
if (third_pos < date.length())
Logger::error("Unexpected string \"", date.substr(third_pos), "\" at the end of date ", date);
} else Logger::error("Unexpected character \"", date[second_pos], "\" in date ", date);
}
} else Logger::error("Unexpected character \"", date[first_pos], "\" in date ", date);
}
return _dateToTimespan(year, month, day);
};
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