| // © 2016 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html |
| /* |
| ******************************************************************************* |
| * Copyright (C) 2004-2012, International Business Machines Corporation and |
| * others. All Rights Reserved. |
| ******************************************************************************* |
| */ |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| |
| #include "unicode/utmscale.h" |
| |
| #define ticks INT64_C(1) |
| #define microseconds (ticks * 10) |
| #define milliseconds (microseconds * 1000) |
| #define seconds (milliseconds * 1000) |
| #define minutes (seconds * 60) |
| #define hours (minutes * 60) |
| #define days (hours * 24) |
| |
| /* Constants generated by ICU4J com.ibm.icu.dev.tool.timescale.GenerateCTimeScaleData. */ |
| static const int64_t timeScaleTable[UDTS_MAX_SCALE][UTSV_MAX_SCALE_VALUE] = { |
| /* units epochOffset fromMin fromMax toMin toMax epochOffsetP1 epochOffsetM1 unitsRound minRound maxRound */ |
| {milliseconds, INT64_C(62135596800000), INT64_C(-984472800485477), INT64_C(860201606885477), INT64_C(-9223372036854774999), INT64_C(9223372036854774999), INT64_C(62135596800001), INT64_C(62135596799999), INT64_C(5000), INT64_C(-9223372036854770808), INT64_C(9223372036854770807)}, |
| {seconds, INT64_C(62135596800), INT64_C(-984472800485), INT64_C(860201606885), U_INT64_MIN, U_INT64_MAX, INT64_C(62135596801), INT64_C(62135596799), INT64_C(5000000), INT64_C(-9223372036849775808), INT64_C(9223372036849775807)}, |
| {milliseconds, INT64_C(62135596800000), INT64_C(-984472800485477), INT64_C(860201606885477), INT64_C(-9223372036854774999), INT64_C(9223372036854774999), INT64_C(62135596800001), INT64_C(62135596799999), INT64_C(5000), INT64_C(-9223372036854770808), INT64_C(9223372036854770807)}, |
| {ticks, INT64_C(504911232000000000), U_INT64_MIN, INT64_C(8718460804854775807), INT64_C(-8718460804854775808), U_INT64_MAX, INT64_C(504911232000000000), INT64_C(504911232000000000), INT64_C(0), U_INT64_MIN, U_INT64_MAX}, |
| {ticks, INT64_C(0), U_INT64_MIN, U_INT64_MAX, U_INT64_MIN, U_INT64_MAX, INT64_C(0), INT64_C(0), INT64_C(0), U_INT64_MIN, U_INT64_MAX}, |
| {seconds, INT64_C(60052752000), INT64_C(-982389955685), INT64_C(862284451685), U_INT64_MIN, U_INT64_MAX, INT64_C(60052752001), INT64_C(60052751999), INT64_C(5000000), INT64_C(-9223372036849775808), INT64_C(9223372036849775807)}, |
| {seconds, INT64_C(63113904000), INT64_C(-985451107685), INT64_C(859223299685), U_INT64_MIN, U_INT64_MAX, INT64_C(63113904001), INT64_C(63113903999), INT64_C(5000000), INT64_C(-9223372036849775808), INT64_C(9223372036849775807)}, |
| {days, INT64_C(693594), INT64_C(-11368793), INT64_C(9981605), U_INT64_MIN, U_INT64_MAX, INT64_C(693595), INT64_C(693593), INT64_C(432000000000), INT64_C(-9223371604854775808), INT64_C(9223371604854775807)}, |
| {days, INT64_C(693594), INT64_C(-11368793), INT64_C(9981605), U_INT64_MIN, U_INT64_MAX, INT64_C(693595), INT64_C(693593), INT64_C(432000000000), INT64_C(-9223371604854775808), INT64_C(9223371604854775807)}, |
| {microseconds, INT64_C(62135596800000000), INT64_C(-984472800485477580), INT64_C(860201606885477580), INT64_C(-9223372036854775804), INT64_C(9223372036854775804), INT64_C(62135596800000001), INT64_C(62135596799999999), INT64_C(5), INT64_C(-9223372036854775803), INT64_C(9223372036854775802)}, |
| }; |
| |
| U_CAPI int64_t U_EXPORT2 |
| utmscale_getTimeScaleValue(UDateTimeScale timeScale, UTimeScaleValue value, UErrorCode *status) |
| { |
| if (status == NULL || U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| if (timeScale < UDTS_JAVA_TIME || UDTS_MAX_SCALE <= timeScale |
| || value < UTSV_UNITS_VALUE || UTSV_MAX_SCALE_VALUE <= value) |
| { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| return timeScaleTable[timeScale][value]; |
| } |
| |
| U_CAPI int64_t U_EXPORT2 |
| utmscale_fromInt64(int64_t otherTime, UDateTimeScale timeScale, UErrorCode *status) |
| { |
| const int64_t *data; |
| |
| if (status == NULL || U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| if ((int32_t)timeScale < 0 || timeScale >= UDTS_MAX_SCALE) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| data = (const int64_t *)(&timeScaleTable[timeScale]); |
| |
| if (otherTime < data[UTSV_FROM_MIN_VALUE] || otherTime > data[UTSV_FROM_MAX_VALUE]) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| return (otherTime + data[UTSV_EPOCH_OFFSET_VALUE]) * data[UTSV_UNITS_VALUE]; |
| } |
| |
| U_CAPI int64_t U_EXPORT2 |
| utmscale_toInt64(int64_t universalTime, UDateTimeScale timeScale, UErrorCode *status) |
| { |
| const int64_t *data; |
| |
| if (status == NULL || U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| if ((int32_t)timeScale < 0 || timeScale >= UDTS_MAX_SCALE) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| data = (const int64_t *)(&timeScaleTable[timeScale]); |
| |
| if (universalTime < data[UTSV_TO_MIN_VALUE] || universalTime > data[UTSV_TO_MAX_VALUE]) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| if (universalTime < 0) { |
| if (universalTime < data[UTSV_MIN_ROUND_VALUE]) { |
| return (universalTime + data[UTSV_UNITS_ROUND_VALUE]) / data[UTSV_UNITS_VALUE] - data[UTSV_EPOCH_OFFSET_PLUS_1_VALUE]; |
| } |
| |
| return (universalTime - data[UTSV_UNITS_ROUND_VALUE]) / data[UTSV_UNITS_VALUE] - data[UTSV_EPOCH_OFFSET_VALUE]; |
| } |
| |
| if (universalTime > data[UTSV_MAX_ROUND_VALUE]) { |
| return (universalTime - data[UTSV_UNITS_ROUND_VALUE]) / data[UTSV_UNITS_VALUE] - data[UTSV_EPOCH_OFFSET_MINUS_1_VALUE]; |
| } |
| |
| return (universalTime + data[UTSV_UNITS_ROUND_VALUE]) / data[UTSV_UNITS_VALUE] - data[UTSV_EPOCH_OFFSET_VALUE]; |
| } |
| |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
