lab2::Gregorian::Gregorian(int y, int m, int d) {
unsigned const yc = y;
unsigned const mc = m;
unsigned const dc = d;
if((y == 0 && m <= 2) || y < 0 || y > 3000 || m > 12 || m < 1 || d < 1 || (int)days_in_month(mc, yc) < d || (d == 29 && m == 2 && is_leap_year(y) == 0)) {
throw std::invalid_argument("Not a valid date");
}
ejd = fjd;
while(y >= 400) {
y -= 400;
ejd += 97 * 366 + 303 * 365;
}
while(y >= 100) {
y -= 100;
ejd += 24 * 366 + 76 * 365;
}
while(y >= 4) {
y -= 4;
ejd += 366 + 3 * 365;
}
while(y >= 1) {
y --;
ejd += 365;
}
while(m > 1) {
ejd += month_lengths[m-2];
m--;
}
//Correct off-by-a-little problems.
add_year(yc-year());
add_month(mc-month());
ejd+=(dc-day());
}
void clock::add_months( CORE_MONTHS start_month, CORE_MONTHS end_month ) {
CORE_MONTHS this_month = start_month;
while ( this_month != end_month ) {
add_month( start_month );
this_month = (CORE_MONTHS)( this_month + 1 );
if ( this_month == December ) this_month = January;
}
}
TEST(question1_test5, months_test)
{
actual_date.year=2012;
actual_date.month=12;
actual_date.day=31;
add_month(actual_date); //add month
expected_date.year=2013;
expected_date.month=1;
expected_date.day=31;
CHECK_DATES(expected_date,actual_date);
}
//returns the current month after the operation
int Date::add_month (int n) {
if (n > 0){
for (int i = 0;i<n;i++)
add_month();
} else{
int en = n*-1;
for (int i=0;i<en;i++){
subtract_month ();
}
}
return month ();
}
/*
* add @n days to date
*/
Date& Date::add_day(int n)
{
if (n) {
int left = n;
while ( (left + d) > month_days(m, y)) {
left -= (month_days(m, y) - d + 1);
d = 1;
add_month(1);
}
if (left)
d += left;
cache->valid = false;
}
return *this;
}
int get_day(int day, int month, int year)
{
day += add_month(month, year);
return day % 7;
}
void set_date(void) {
uint8_t mode = init_set_menu(3);
uint8_t day, month, year;
day = date_d;
month = date_m;
year = date_y;
while (!check_timeout()) {
if (just_pressed & 0x2) {
just_pressed = 0;
screenmutex++;
if (mode == SET_DATE) {
DEBUG(putstring("Set date month/day, depending on region"));
// ok now its selected
mode = next_mode_setdate[region];
} else if (mode == SET_MONTH) {
DEBUG(putstring("Set date day/year, depending on region"));
mode = next_mode_setmonth[region];
} else if (mode == SET_DAY) {
DEBUG(putstring("Set date month/year, depending on region"));
mode = next_mode_setday[region];
} else {
// done!
DEBUG(putstring("done setting date"));
mode = SET_DATE;
//Update the DS1307 with set date.
writei2ctime(time_s, time_m, time_h, 0, day, month, year);
date_y = year;
date_m = month;
date_d = day;
}
//Print the instructions below
print_monthday_help(mode);
//Refresh the date.
print_date(month,day,year,mode);
screenmutex--;
}
if ((just_pressed & 0x4) || (pressed & 0x4)) {
just_pressed = 0;
screenmutex++;
if (mode == SET_MONTH) {
month++;
}
if (mode == SET_DAY) {
day++;
}
if (mode == SET_YEAR) {
year = (year+1) % 100;
}
add_month(&month, &day, year);
print_date(month,day,year,mode);
screenmutex--;
if (pressed & 0x4)
delay_ms(200);
}
}
}
