date.h
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date.h
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	#ifndef DATE_H
	#define DATE_H

	#include "types.h"

	#define DATE_METHOD_ENTRY(name_lit, fn_ptr) \
	{ name_lit, sizeof(name_lit) - 1, fn_ptr }

	#define DATE_COUNT_OF(a) \
	((int)(sizeof(a) / sizeof((a)[0])))

	typedef struct {
	double year;
	double month;
	double day;
	double hour;
	double minute;
	double second;
	double millisecond;
	double weekday;
	double tz_minutes;
	} date_fields_t;

	typedef enum {
	DATE_FIELD_YEAR = 0,
	DATE_FIELD_MONTH = 1,
	DATE_FIELD_DAY_OF_MONTH = 2,
	DATE_FIELD_HOUR = 3,
	DATE_FIELD_MINUTE = 4,
	DATE_FIELD_SECOND = 5,
	DATE_FIELD_MILLISECOND = 6,
	DATE_FIELD_DAY_OF_WEEK = 7,
	DATE_FIELD_TZ_MINUTES = 8,
	} date_field_index_t;

	typedef enum {
	DATE_STRING_FMT_UTC = 0,
	DATE_STRING_FMT_LOCAL = 1,
	DATE_STRING_FMT_ISO = 2,
	DATE_STRING_FMT_LOCALE = 3,
	} date_string_fmt_t;

	typedef enum {
	DATE_STRING_PART_DATE = 1,
	DATE_STRING_PART_TIME = 2,
	DATE_STRING_PART_ALL = 3,
	} date_string_part_t;

	typedef struct {
	date_string_fmt_t fmt;
	date_string_part_t part;
	} date_string_spec_t;

	typedef struct {
	date_field_index_t field;
	bool local_time;
	bool legacy_get_year;
	} date_get_field_spec_t;

	typedef struct {
	date_field_index_t first_field;
	date_field_index_t end_field_exclusive;
	bool local_time;
	} date_set_field_spec_t;

	typedef struct {
	const char *name;
	size_t len;
	jsval_t (fn)(ant_t , jsval_t *, int);
	} date_method_entry_t;

	void init_date_module(void);

	jsval_t get_date_string(
	ant_t *js, jsval_t this_val,
	date_string_spec_t spec
	);

	#endif