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// Copyright (C) 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 */
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