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This commit is contained in:
Nathan Fisher 2024-02-11 19:14:28 -05:00
parent 0003f3678e
commit d3f4aa04f3
3 changed files with 63 additions and 61 deletions
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56
include/epoch.h
View file

@ -46,7 +46,7 @@ typedef enum {
} yearTag;
typedef struct {
yearTag tag;
yearTag tag;
uint32_t year;
} Year;
@ -117,35 +117,37 @@ typedef enum {
NanoSecondPrecision,
} datetimePrecision;
void yearNew(Year *year, int32_t inner);
uint16_t yearGetDays(Year *year);
int64_t yearGetSeconds(Year *year);
int32_t yearGetInner(Year *year);
void yearIncrement(Year *year);
void yearDecrement(Year *year);
void yearNew (Year *self, int32_t inner);
uint16_t yearGetDays (Year *self);
int64_t yearGetSeconds (Year *self);
int32_t yearGetInner (Year *self);
void yearIncrement (Year *self);
void yearDecrement (Year *self);
uint8_t monthGetDays(Month month, Year *year);
uint32_t monthGetSeconds(Month month, Year *year);
int monthIncrement(Month *month);
int monthDecrement(Month *month);
const char* monthName(Month month);
const char* monthAbbr(Month month);
int parseMonth(const char *s);
uint8_t monthGetDays (Month self, Year *year);
uint32_t monthGetSeconds (Month self, Year *year);
int monthIncrement (Month *self);
int monthDecrement (Month *self);
const char* monthName (Month self);
const char* monthAbbr (Month self);
int parseMonth (const char *s);
const char* weekdayName(Weekday day);
const char* weekdayAbbr(Weekday day);
int parseWeekday(const char *s);
const char* weekdayName (Weekday self);
const char* weekdayAbbr (Weekday self);
int parseWeekday (const char *s);
int offsetNew(TzOffset *offs, offsetSign sign, uint8_t hours, uint8_t minutes);
void printTz(TimeZone *zone);
int64_t timezoneAsSeconds(TimeZone *tz);
int offsetNew (TzOffset *self, offsetSign sign,
uint8_t hours, uint8_t minutes);
void printTz (TimeZone *self);
int64_t timezoneAsSeconds (TimeZone *self);
int32_t dateTimeGetYear(DateTime *self);
int64_t dateTimeGetTimestampNaive(DateTime *self);
int64_t dateTimeGetTimestamp(DateTime *self);
void dateTimeGetTimespec(DateTime *self, struct timespec *ts);
Weekday dateTimeGetWeekday(DateTime *self);
void dateTimeFromTimestampParts(int64_t seconds, int64_t nanoseconds, DateTime *dt);
void dateTimeFromTimespec(struct timespec *ts, DateTime *dt);
int32_t dateTimeGetYear (DateTime *self);
int64_t dateTimeGetTimestampNaive (DateTime *self);
int64_t dateTimeGetTimestamp (DateTime *self);
void dateTimeGetTimespec (DateTime *self, struct timespec *ts);
Weekday dateTimeGetWeekday (DateTime *self);
void dateTimeFromTimestampParts (int64_t seconds, int64_t nanoseconds,
DateTime *dt);
void dateTimeFromTimespec (struct timespec *ts, DateTime *dt);
#endif // !LIBEPOCH_H

28
month.c
View file

@ -36,8 +36,8 @@
#include <strings.h>
#include "epoch.h"
uint8_t monthGetDays(Month month, Year *year) {
switch (month) {
uint8_t monthGetDays(Month self, Year *year) {
switch (self) {
case January:
case March:
case May:
@ -58,23 +58,23 @@ uint8_t monthGetDays(Month month, Year *year) {
}
}
uint32_t monthGetSeconds(Month month, Year *year) {
return (int64_t)monthGetDays(month, year) * SECONDS_PER_DAY;
uint32_t monthGetSeconds(Month self, Year *year) {
return (int64_t)monthGetDays(self, year) * SECONDS_PER_DAY;
}
int monthIncrement(Month *month) {
if (*month == December)
int monthIncrement(Month *self) {
if (*self == December)
return 1;
else
*month += 1;
*self += 1;
return 0;
}
int monthDecrement(Month *month) {
if (*month == January)
int monthDecrement(Month *self) {
if (*self == January)
return 1;
else
*month -= 1;
*self -= 1;
return 0;
}
@ -83,12 +83,12 @@ const char *MonthNames[] = { "January", "February", "March", "April", "May", "Ju
const char *MonthAbbrs[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
"Aug", "Sep", "Oct", "Nov", "Dec" };
const char* monthName(Month month) {
return MonthNames[month - 1];
const char* monthName(Month self) {
return MonthNames[self - 1];
}
const char* monthAbbr(Month month) {
return MonthAbbrs[month - 1];
const char* monthAbbr(Month self) {
return MonthAbbrs[self - 1];
}
int parseMonth(const char *s) {

40
year.c
View file

@ -33,16 +33,16 @@
#include <stdint.h>
#include "epoch.h"
void yearNew(Year *year, int32_t inner) {
year->year = inner;
void yearNew(Year *self, int32_t inner) {
self->year = inner;
if (inner % 4 == 0 && (inner % 100 != 0 || inner % 400 == 0))
year->tag = leapYear;
self->tag = leapYear;
else
year->tag = normalYear;
self->tag = normalYear;
}
uint16_t yearGetDays(Year *year) {
switch (year->tag) {
uint16_t yearGetDays(Year *self) {
switch (self->tag) {
case normalYear:
return 365;
case leapYear:
@ -52,26 +52,26 @@ uint16_t yearGetDays(Year *year) {
}
}
int64_t yearGetSeconds(Year *year) {
return (int64_t)yearGetDays(year) * SECONDS_PER_DAY;
int64_t yearGetSeconds(Year *self) {
return (int64_t)yearGetDays(self) * SECONDS_PER_DAY;
}
int32_t yearGetInner(Year *year) {
return year->year;
int32_t yearGetInner(Year *self) {
return self->year;
}
void yearIncrement(Year *year) {
year->year += 1;
if (year->year % 4 == 0 && (year->year % 100 != 0 || year->year % 400 == 0))
year->tag = leapYear;
void yearIncrement(Year *self) {
self->year += 1;
if (self->year % 4 == 0 && (self->year % 100 != 0 || self->year % 400 == 0))
self->tag = leapYear;
else
year->tag = normalYear;
self->tag = normalYear;
}
void yearDecrement(Year *year) {
year->year -= 1;
if (year->year % 4 == 0 && (year->year % 100 != 0 || year->year % 400 == 0))
year->tag = leapYear;
void yearDecrement(Year *self) {
self->year -= 1;
if (self->year % 4 == 0 && (self->year % 100 != 0 || self->year % 400 == 0))
self->tag = leapYear;
else
year->tag = normalYear;
self->tag = normalYear;
}