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- /**************************************************************************/
- /* time.cpp */
- /**************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /**************************************************************************/
- /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
- /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
- /* */
- /* Permission is hereby granted, free of charge, to any person obtaining */
- /* a copy of this software and associated documentation files (the */
- /* "Software"), to deal in the Software without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of the Software, and to */
- /* permit persons to whom the Software is furnished to do so, subject to */
- /* the following conditions: */
- /* */
- /* The above copyright notice and this permission notice shall be */
- /* included in all copies or substantial portions of the Software. */
- /* */
- /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
- /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
- /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
- /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
- /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
- /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- /**************************************************************************/
- #include "time.h"
- #include "core/os/os.h"
- #define UNIX_EPOCH_YEAR_AD 1970 // 1970
- #define SECONDS_PER_DAY (24 * 60 * 60) // 86400
- #define IS_LEAP_YEAR(year) (!((year) % 4) && (((year) % 100) || !((year) % 400)))
- #define YEAR_SIZE(year) (IS_LEAP_YEAR(year) ? 366 : 365)
- #define YEAR_KEY "year"
- #define MONTH_KEY "month"
- #define DAY_KEY "day"
- #define WEEKDAY_KEY "weekday"
- #define HOUR_KEY "hour"
- #define MINUTE_KEY "minute"
- #define SECOND_KEY "second"
- #define DST_KEY "dst"
- // Table of number of days in each month (for regular year and leap year).
- static const uint8_t MONTH_DAYS_TABLE[2][12] = {
- { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
- { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
- };
- #define UNIX_TIME_TO_HMS \
- uint8_t hour, minute, second; \
- { \
- /* The time of the day (in seconds since start of day). */ \
- uint32_t day_clock = Math::posmod(p_unix_time_val, SECONDS_PER_DAY); \
- /* On x86 these 4 lines can be optimized to only 2 divisions. */ \
- second = day_clock % 60; \
- day_clock /= 60; \
- minute = day_clock % 60; \
- hour = day_clock / 60; \
- }
- #define UNIX_TIME_TO_YMD \
- int64_t year; \
- Month month; \
- uint8_t day; \
- /* The day number since Unix epoch (0-index). Days before 1970 are negative. */ \
- int64_t day_number = Math::floor(p_unix_time_val / (double)SECONDS_PER_DAY); \
- { \
- int64_t day_number_copy = day_number; \
- year = UNIX_EPOCH_YEAR_AD; \
- uint8_t month_zero_index = 0; \
- while (day_number_copy >= YEAR_SIZE(year)) { \
- day_number_copy -= YEAR_SIZE(year); \
- year++; \
- } \
- while (day_number_copy < 0) { \
- year--; \
- day_number_copy += YEAR_SIZE(year); \
- } \
- /* After the above, day_number now represents the day of the year (0-index). */ \
- while (day_number_copy >= MONTH_DAYS_TABLE[IS_LEAP_YEAR(year)][month_zero_index]) { \
- day_number_copy -= MONTH_DAYS_TABLE[IS_LEAP_YEAR(year)][month_zero_index]; \
- month_zero_index++; \
- } \
- /* After the above, day_number now represents the day of the month (0-index). */ \
- month = (Month)(month_zero_index + 1); \
- day = day_number_copy + 1; \
- }
- #define VALIDATE_YMDHMS(ret) \
- ERR_FAIL_COND_V_MSG(month == 0, ret, "Invalid month value of: " + itos(month) + ", months are 1-indexed and cannot be 0. See the Time.Month enum for valid values."); \
- ERR_FAIL_COND_V_MSG(month < 0, ret, "Invalid month value of: " + itos(month) + "."); \
- ERR_FAIL_COND_V_MSG(month > 12, ret, "Invalid month value of: " + itos(month) + ". See the Time.Month enum for valid values."); \
- ERR_FAIL_COND_V_MSG(hour > 23, ret, "Invalid hour value of: " + itos(hour) + "."); \
- ERR_FAIL_COND_V_MSG(hour < 0, ret, "Invalid hour value of: " + itos(hour) + "."); \
- ERR_FAIL_COND_V_MSG(minute > 59, ret, "Invalid minute value of: " + itos(minute) + "."); \
- ERR_FAIL_COND_V_MSG(minute < 0, ret, "Invalid minute value of: " + itos(minute) + "."); \
- ERR_FAIL_COND_V_MSG(second > 59, ret, "Invalid second value of: " + itos(second) + " (leap seconds are not supported)."); \
- ERR_FAIL_COND_V_MSG(second < 0, ret, "Invalid second value of: " + itos(second) + "."); \
- ERR_FAIL_COND_V_MSG(day == 0, ret, "Invalid day value of: " + itos(day) + ", days are 1-indexed and cannot be 0."); \
- ERR_FAIL_COND_V_MSG(day < 0, ret, "Invalid day value of: " + itos(day) + "."); \
- /* Do this check after month is tested as valid. */ \
- uint8_t days_in_this_month = MONTH_DAYS_TABLE[IS_LEAP_YEAR(year)][month - 1]; \
- ERR_FAIL_COND_V_MSG(day > days_in_this_month, ret, "Invalid day value of: " + itos(day) + " which is larger than the maximum for this month, " + itos(days_in_this_month) + ".");
- #define YMD_TO_DAY_NUMBER \
- /* The day number since Unix epoch (0-index). Days before 1970 are negative. */ \
- int64_t day_number = day - 1; \
- /* Add the days in the months to day_number. */ \
- for (int i = 0; i < month - 1; i++) { \
- day_number += MONTH_DAYS_TABLE[IS_LEAP_YEAR(year)][i]; \
- } \
- /* Add the days in the years to day_number. */ \
- if (year >= UNIX_EPOCH_YEAR_AD) { \
- for (int64_t iyear = UNIX_EPOCH_YEAR_AD; iyear < year; iyear++) { \
- day_number += YEAR_SIZE(iyear); \
- } \
- } else { \
- for (int64_t iyear = UNIX_EPOCH_YEAR_AD - 1; iyear >= year; iyear--) { \
- day_number -= YEAR_SIZE(iyear); \
- } \
- }
- #define PARSE_ISO8601_STRING(ret) \
- int64_t year = UNIX_EPOCH_YEAR_AD; \
- Month month = MONTH_JANUARY; \
- int day = 1; \
- int hour = 0; \
- int minute = 0; \
- int second = 0; \
- { \
- bool has_date = false, has_time = false; \
- String date, time; \
- if (p_datetime.find_char('T') > 0) { \
- has_date = has_time = true; \
- PackedStringArray array = p_datetime.split("T"); \
- ERR_FAIL_COND_V_MSG(array.size() < 2, ret, "Invalid ISO 8601 date/time string."); \
- date = array[0]; \
- time = array[1]; \
- } else if (p_datetime.find_char(' ') > 0) { \
- has_date = has_time = true; \
- PackedStringArray array = p_datetime.split(" "); \
- ERR_FAIL_COND_V_MSG(array.size() < 2, ret, "Invalid ISO 8601 date/time string."); \
- date = array[0]; \
- time = array[1]; \
- } else if (p_datetime.find_char('-', 1) > 0) { \
- has_date = true; \
- date = p_datetime; \
- } else if (p_datetime.find_char(':') > 0) { \
- has_time = true; \
- time = p_datetime; \
- } \
- /* Set the variables from the contents of the string. */ \
- if (has_date) { \
- PackedInt32Array array = date.split_ints("-", false); \
- ERR_FAIL_COND_V_MSG(array.size() < 3, ret, "Invalid ISO 8601 date string."); \
- year = array[0]; \
- month = (Month)array[1]; \
- day = array[2]; \
- /* Handle negative years. */ \
- if (p_datetime.find_char('-') == 0) { \
- year *= -1; \
- } \
- } \
- if (has_time) { \
- PackedInt32Array array = time.split_ints(":", false); \
- ERR_FAIL_COND_V_MSG(array.size() < 3, ret, "Invalid ISO 8601 time string."); \
- hour = array[0]; \
- minute = array[1]; \
- second = array[2]; \
- } \
- }
- #define EXTRACT_FROM_DICTIONARY \
- /* Get all time values from the dictionary. If it doesn't exist, set the */ \
- /* values to the default values for Unix epoch (1970-01-01 00:00:00). */ \
- int64_t year = p_datetime.has(YEAR_KEY) ? int64_t(p_datetime[YEAR_KEY]) : UNIX_EPOCH_YEAR_AD; \
- Month month = Month((p_datetime.has(MONTH_KEY)) ? int(p_datetime[MONTH_KEY]) : 1); \
- int day = p_datetime.has(DAY_KEY) ? int(p_datetime[DAY_KEY]) : 1; \
- int hour = p_datetime.has(HOUR_KEY) ? int(p_datetime[HOUR_KEY]) : 0; \
- int minute = p_datetime.has(MINUTE_KEY) ? int(p_datetime[MINUTE_KEY]) : 0; \
- int second = p_datetime.has(SECOND_KEY) ? int(p_datetime[SECOND_KEY]) : 0;
- Time *Time::singleton = nullptr;
- Time *Time::get_singleton() {
- return singleton;
- }
- Dictionary Time::get_datetime_dict_from_unix_time(int64_t p_unix_time_val) const {
- UNIX_TIME_TO_HMS
- UNIX_TIME_TO_YMD
- Dictionary datetime;
- datetime[YEAR_KEY] = year;
- datetime[MONTH_KEY] = (uint8_t)month;
- datetime[DAY_KEY] = day;
- // Unix epoch was a Thursday (day 0 aka 1970-01-01).
- datetime[WEEKDAY_KEY] = Math::posmod(day_number + WEEKDAY_THURSDAY, 7);
- datetime[HOUR_KEY] = hour;
- datetime[MINUTE_KEY] = minute;
- datetime[SECOND_KEY] = second;
- return datetime;
- }
- Dictionary Time::get_date_dict_from_unix_time(int64_t p_unix_time_val) const {
- UNIX_TIME_TO_YMD
- Dictionary datetime;
- datetime[YEAR_KEY] = year;
- datetime[MONTH_KEY] = (uint8_t)month;
- datetime[DAY_KEY] = day;
- // Unix epoch was a Thursday (day 0 aka 1970-01-01).
- datetime[WEEKDAY_KEY] = Math::posmod(day_number + WEEKDAY_THURSDAY, 7);
- return datetime;
- }
- Dictionary Time::get_time_dict_from_unix_time(int64_t p_unix_time_val) const {
- UNIX_TIME_TO_HMS
- Dictionary datetime;
- datetime[HOUR_KEY] = hour;
- datetime[MINUTE_KEY] = minute;
- datetime[SECOND_KEY] = second;
- return datetime;
- }
- String Time::get_datetime_string_from_unix_time(int64_t p_unix_time_val, bool p_use_space) const {
- UNIX_TIME_TO_HMS
- UNIX_TIME_TO_YMD
- // vformat only supports up to 6 arguments, so we need to split this up into 2 parts.
- String timestamp = vformat("%04d-%02d-%02d", year, (uint8_t)month, day);
- if (p_use_space) {
- timestamp = vformat("%s %02d:%02d:%02d", timestamp, hour, minute, second);
- } else {
- timestamp = vformat("%sT%02d:%02d:%02d", timestamp, hour, minute, second);
- }
- return timestamp;
- }
- String Time::get_date_string_from_unix_time(int64_t p_unix_time_val) const {
- UNIX_TIME_TO_YMD
- // Android is picky about the types passed to make Variant, so we need a cast.
- return vformat("%04d-%02d-%02d", year, (uint8_t)month, day);
- }
- String Time::get_time_string_from_unix_time(int64_t p_unix_time_val) const {
- UNIX_TIME_TO_HMS
- return vformat("%02d:%02d:%02d", hour, minute, second);
- }
- Dictionary Time::get_datetime_dict_from_datetime_string(const String &p_datetime, bool p_weekday) const {
- PARSE_ISO8601_STRING(Dictionary())
- Dictionary dict;
- dict[YEAR_KEY] = year;
- dict[MONTH_KEY] = (uint8_t)month;
- dict[DAY_KEY] = day;
- if (p_weekday) {
- YMD_TO_DAY_NUMBER
- // Unix epoch was a Thursday (day 0 aka 1970-01-01).
- dict[WEEKDAY_KEY] = Math::posmod(day_number + WEEKDAY_THURSDAY, 7);
- }
- dict[HOUR_KEY] = hour;
- dict[MINUTE_KEY] = minute;
- dict[SECOND_KEY] = second;
- return dict;
- }
- String Time::get_datetime_string_from_datetime_dict(const Dictionary &p_datetime, bool p_use_space) const {
- ERR_FAIL_COND_V_MSG(p_datetime.is_empty(), "", "Invalid datetime Dictionary: Dictionary is empty.");
- EXTRACT_FROM_DICTIONARY
- VALIDATE_YMDHMS("")
- // vformat only supports up to 6 arguments, so we need to split this up into 2 parts.
- String timestamp = vformat("%04d-%02d-%02d", year, (uint8_t)month, day);
- if (p_use_space) {
- timestamp = vformat("%s %02d:%02d:%02d", timestamp, hour, minute, second);
- } else {
- timestamp = vformat("%sT%02d:%02d:%02d", timestamp, hour, minute, second);
- }
- return timestamp;
- }
- int64_t Time::get_unix_time_from_datetime_dict(const Dictionary &p_datetime) const {
- ERR_FAIL_COND_V_MSG(p_datetime.is_empty(), 0, "Invalid datetime Dictionary: Dictionary is empty");
- EXTRACT_FROM_DICTIONARY
- VALIDATE_YMDHMS(0)
- YMD_TO_DAY_NUMBER
- return day_number * SECONDS_PER_DAY + hour * 3600 + minute * 60 + second;
- }
- int64_t Time::get_unix_time_from_datetime_string(const String &p_datetime) const {
- PARSE_ISO8601_STRING(-1)
- VALIDATE_YMDHMS(0)
- YMD_TO_DAY_NUMBER
- return day_number * SECONDS_PER_DAY + hour * 3600 + minute * 60 + second;
- }
- String Time::get_offset_string_from_offset_minutes(int64_t p_offset_minutes) const {
- String sign;
- if (p_offset_minutes < 0) {
- sign = "-";
- p_offset_minutes = -p_offset_minutes;
- } else {
- sign = "+";
- }
- // These two lines can be optimized to one instruction on x86 and others.
- // Note that % is acceptable here only because we ensure it's positive.
- int64_t offset_hours = p_offset_minutes / 60;
- int64_t offset_minutes = p_offset_minutes % 60;
- return vformat("%s%02d:%02d", sign, offset_hours, offset_minutes);
- }
- Dictionary Time::get_datetime_dict_from_system(bool p_utc) const {
- OS::DateTime dt = OS::get_singleton()->get_datetime(p_utc);
- Dictionary datetime;
- datetime[YEAR_KEY] = dt.year;
- datetime[MONTH_KEY] = (uint8_t)dt.month;
- datetime[DAY_KEY] = dt.day;
- datetime[WEEKDAY_KEY] = (uint8_t)dt.weekday;
- datetime[HOUR_KEY] = dt.hour;
- datetime[MINUTE_KEY] = dt.minute;
- datetime[SECOND_KEY] = dt.second;
- datetime[DST_KEY] = dt.dst;
- return datetime;
- }
- Dictionary Time::get_date_dict_from_system(bool p_utc) const {
- OS::DateTime dt = OS::get_singleton()->get_datetime(p_utc);
- Dictionary date_dictionary;
- date_dictionary[YEAR_KEY] = dt.year;
- date_dictionary[MONTH_KEY] = (uint8_t)dt.month;
- date_dictionary[DAY_KEY] = dt.day;
- date_dictionary[WEEKDAY_KEY] = (uint8_t)dt.weekday;
- return date_dictionary;
- }
- Dictionary Time::get_time_dict_from_system(bool p_utc) const {
- OS::DateTime dt = OS::get_singleton()->get_datetime(p_utc);
- Dictionary time_dictionary;
- time_dictionary[HOUR_KEY] = dt.hour;
- time_dictionary[MINUTE_KEY] = dt.minute;
- time_dictionary[SECOND_KEY] = dt.second;
- return time_dictionary;
- }
- String Time::get_datetime_string_from_system(bool p_utc, bool p_use_space) const {
- OS::DateTime dt = OS::get_singleton()->get_datetime(p_utc);
- // vformat only supports up to 6 arguments, so we need to split this up into 2 parts.
- String timestamp = vformat("%04d-%02d-%02d", dt.year, (uint8_t)dt.month, dt.day);
- if (p_use_space) {
- timestamp = vformat("%s %02d:%02d:%02d", timestamp, dt.hour, dt.minute, dt.second);
- } else {
- timestamp = vformat("%sT%02d:%02d:%02d", timestamp, dt.hour, dt.minute, dt.second);
- }
- return timestamp;
- }
- String Time::get_date_string_from_system(bool p_utc) const {
- OS::DateTime dt = OS::get_singleton()->get_datetime(p_utc);
- // Android is picky about the types passed to make Variant, so we need a cast.
- return vformat("%04d-%02d-%02d", dt.year, (uint8_t)dt.month, dt.day);
- }
- String Time::get_time_string_from_system(bool p_utc) const {
- OS::DateTime dt = OS::get_singleton()->get_datetime(p_utc);
- return vformat("%02d:%02d:%02d", dt.hour, dt.minute, dt.second);
- }
- Dictionary Time::get_time_zone_from_system() const {
- OS::TimeZoneInfo info = OS::get_singleton()->get_time_zone_info();
- Dictionary ret_timezone;
- ret_timezone["bias"] = info.bias;
- ret_timezone["name"] = info.name;
- return ret_timezone;
- }
- double Time::get_unix_time_from_system() const {
- return OS::get_singleton()->get_unix_time();
- }
- uint64_t Time::get_ticks_msec() const {
- return OS::get_singleton()->get_ticks_msec();
- }
- uint64_t Time::get_ticks_usec() const {
- return OS::get_singleton()->get_ticks_usec();
- }
- void Time::_bind_methods() {
- ClassDB::bind_method(D_METHOD("get_datetime_dict_from_unix_time", "unix_time_val"), &Time::get_datetime_dict_from_unix_time);
- ClassDB::bind_method(D_METHOD("get_date_dict_from_unix_time", "unix_time_val"), &Time::get_date_dict_from_unix_time);
- ClassDB::bind_method(D_METHOD("get_time_dict_from_unix_time", "unix_time_val"), &Time::get_time_dict_from_unix_time);
- ClassDB::bind_method(D_METHOD("get_datetime_string_from_unix_time", "unix_time_val", "use_space"), &Time::get_datetime_string_from_unix_time, DEFVAL(false));
- ClassDB::bind_method(D_METHOD("get_date_string_from_unix_time", "unix_time_val"), &Time::get_date_string_from_unix_time);
- ClassDB::bind_method(D_METHOD("get_time_string_from_unix_time", "unix_time_val"), &Time::get_time_string_from_unix_time);
- ClassDB::bind_method(D_METHOD("get_datetime_dict_from_datetime_string", "datetime", "weekday"), &Time::get_datetime_dict_from_datetime_string);
- ClassDB::bind_method(D_METHOD("get_datetime_string_from_datetime_dict", "datetime", "use_space"), &Time::get_datetime_string_from_datetime_dict);
- ClassDB::bind_method(D_METHOD("get_unix_time_from_datetime_dict", "datetime"), &Time::get_unix_time_from_datetime_dict);
- ClassDB::bind_method(D_METHOD("get_unix_time_from_datetime_string", "datetime"), &Time::get_unix_time_from_datetime_string);
- ClassDB::bind_method(D_METHOD("get_offset_string_from_offset_minutes", "offset_minutes"), &Time::get_offset_string_from_offset_minutes);
- ClassDB::bind_method(D_METHOD("get_datetime_dict_from_system", "utc"), &Time::get_datetime_dict_from_system, DEFVAL(false));
- ClassDB::bind_method(D_METHOD("get_date_dict_from_system", "utc"), &Time::get_date_dict_from_system, DEFVAL(false));
- ClassDB::bind_method(D_METHOD("get_time_dict_from_system", "utc"), &Time::get_time_dict_from_system, DEFVAL(false));
- ClassDB::bind_method(D_METHOD("get_datetime_string_from_system", "utc", "use_space"), &Time::get_datetime_string_from_system, DEFVAL(false), DEFVAL(false));
- ClassDB::bind_method(D_METHOD("get_date_string_from_system", "utc"), &Time::get_date_string_from_system, DEFVAL(false));
- ClassDB::bind_method(D_METHOD("get_time_string_from_system", "utc"), &Time::get_time_string_from_system, DEFVAL(false));
- ClassDB::bind_method(D_METHOD("get_time_zone_from_system"), &Time::get_time_zone_from_system);
- ClassDB::bind_method(D_METHOD("get_unix_time_from_system"), &Time::get_unix_time_from_system);
- ClassDB::bind_method(D_METHOD("get_ticks_msec"), &Time::get_ticks_msec);
- ClassDB::bind_method(D_METHOD("get_ticks_usec"), &Time::get_ticks_usec);
- BIND_ENUM_CONSTANT(MONTH_JANUARY);
- BIND_ENUM_CONSTANT(MONTH_FEBRUARY);
- BIND_ENUM_CONSTANT(MONTH_MARCH);
- BIND_ENUM_CONSTANT(MONTH_APRIL);
- BIND_ENUM_CONSTANT(MONTH_MAY);
- BIND_ENUM_CONSTANT(MONTH_JUNE);
- BIND_ENUM_CONSTANT(MONTH_JULY);
- BIND_ENUM_CONSTANT(MONTH_AUGUST);
- BIND_ENUM_CONSTANT(MONTH_SEPTEMBER);
- BIND_ENUM_CONSTANT(MONTH_OCTOBER);
- BIND_ENUM_CONSTANT(MONTH_NOVEMBER);
- BIND_ENUM_CONSTANT(MONTH_DECEMBER);
- BIND_ENUM_CONSTANT(WEEKDAY_SUNDAY);
- BIND_ENUM_CONSTANT(WEEKDAY_MONDAY);
- BIND_ENUM_CONSTANT(WEEKDAY_TUESDAY);
- BIND_ENUM_CONSTANT(WEEKDAY_WEDNESDAY);
- BIND_ENUM_CONSTANT(WEEKDAY_THURSDAY);
- BIND_ENUM_CONSTANT(WEEKDAY_FRIDAY);
- BIND_ENUM_CONSTANT(WEEKDAY_SATURDAY);
- }
- Time::Time() {
- ERR_FAIL_COND_MSG(singleton, "Singleton for Time already exists.");
- singleton = this;
- }
- Time::~Time() {
- singleton = nullptr;
- }
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