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comparison: intl/icu/source/i18n/utmscale.c
intl/icu/source/i18n/utmscale.c
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:464d57625d8f |
|---|---|
| 1 /* | |
| 2 ******************************************************************************* | |
| 3 * Copyright (C) 2004-2012, International Business Machines Corporation and | |
| 4 * others. All Rights Reserved. | |
| 5 ******************************************************************************* | |
| 6 */ | |
| 7 | |
| 8 #include "unicode/utypes.h" | |
| 9 | |
| 10 #if !UCONFIG_NO_FORMATTING | |
| 11 | |
| 12 #include "unicode/utmscale.h" | |
| 13 | |
| 14 #define ticks INT64_C(1) | |
| 15 #define microseconds (ticks * 10) | |
| 16 #define milliseconds (microseconds * 1000) | |
| 17 #define seconds (milliseconds * 1000) | |
| 18 #define minutes (seconds * 60) | |
| 19 #define hours (minutes * 60) | |
| 20 #define days (hours * 24) | |
| 21 | |
| 22 /* Constants generated by ICU4J com.ibm.icu.dev.tool.timescale.GenerateCTimeScaleData. */ | |
| 23 static const int64_t timeScaleTable[UDTS_MAX_SCALE][UTSV_MAX_SCALE_VALUE] = { | |
| 24 /* units epochOffset fromMin fromMax toMin toMax epochOffsetP1 epochOffsetM1 unitsRound minRound maxRound */ | |
| 25 {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)}, | |
| 26 {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)}, | |
| 27 {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)}, | |
| 28 {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}, | |
| 29 {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}, | |
| 30 {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)}, | |
| 31 {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)}, | |
| 32 {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)}, | |
| 33 {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)}, | |
| 34 {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)}, | |
| 35 }; | |
| 36 | |
| 37 U_CAPI int64_t U_EXPORT2 | |
| 38 utmscale_getTimeScaleValue(UDateTimeScale timeScale, UTimeScaleValue value, UErrorCode *status) | |
| 39 { | |
| 40 if (status == NULL || U_FAILURE(*status)) { | |
| 41 return 0; | |
| 42 } | |
| 43 | |
| 44 if (timeScale < UDTS_JAVA_TIME || UDTS_MAX_SCALE <= timeScale | |
| 45 || value < UTSV_UNITS_VALUE || UTSV_MAX_SCALE_VALUE <= value) | |
| 46 { | |
| 47 *status = U_ILLEGAL_ARGUMENT_ERROR; | |
| 48 return 0; | |
| 49 } | |
| 50 | |
| 51 return timeScaleTable[timeScale][value]; | |
| 52 } | |
| 53 | |
| 54 U_CAPI int64_t U_EXPORT2 | |
| 55 utmscale_fromInt64(int64_t otherTime, UDateTimeScale timeScale, UErrorCode *status) | |
| 56 { | |
| 57 const int64_t *data; | |
| 58 | |
| 59 if (status == NULL || U_FAILURE(*status)) { | |
| 60 return 0; | |
| 61 } | |
| 62 | |
| 63 if ((int32_t)timeScale < 0 || timeScale >= UDTS_MAX_SCALE) { | |
| 64 *status = U_ILLEGAL_ARGUMENT_ERROR; | |
| 65 return 0; | |
| 66 } | |
| 67 | |
| 68 data = (const int64_t *)(&timeScaleTable[timeScale]); | |
| 69 | |
| 70 if (otherTime < data[UTSV_FROM_MIN_VALUE] || otherTime > data[UTSV_FROM_MAX_VALUE]) { | |
| 71 *status = U_ILLEGAL_ARGUMENT_ERROR; | |
| 72 return 0; | |
| 73 } | |
| 74 | |
| 75 return (otherTime + data[UTSV_EPOCH_OFFSET_VALUE]) * data[UTSV_UNITS_VALUE]; | |
| 76 } | |
| 77 | |
| 78 U_CAPI int64_t U_EXPORT2 | |
| 79 utmscale_toInt64(int64_t universalTime, UDateTimeScale timeScale, UErrorCode *status) | |
| 80 { | |
| 81 const int64_t *data; | |
| 82 | |
| 83 if (status == NULL || U_FAILURE(*status)) { | |
| 84 return 0; | |
| 85 } | |
| 86 | |
| 87 if ((int32_t)timeScale < 0 || timeScale >= UDTS_MAX_SCALE) { | |
| 88 *status = U_ILLEGAL_ARGUMENT_ERROR; | |
| 89 return 0; | |
| 90 } | |
| 91 | |
| 92 data = (const int64_t *)(&timeScaleTable[timeScale]); | |
| 93 | |
| 94 if (universalTime < data[UTSV_TO_MIN_VALUE] || universalTime > data[UTSV_TO_MAX_VALUE]) { | |
| 95 *status = U_ILLEGAL_ARGUMENT_ERROR; | |
| 96 return 0; | |
| 97 } | |
| 98 | |
| 99 if (universalTime < 0) { | |
| 100 if (universalTime < data[UTSV_MIN_ROUND_VALUE]) { | |
| 101 return (universalTime + data[UTSV_UNITS_ROUND_VALUE]) / data[UTSV_UNITS_VALUE] - data[UTSV_EPOCH_OFFSET_PLUS_1_VALUE]; | |
| 102 } | |
| 103 | |
| 104 return (universalTime - data[UTSV_UNITS_ROUND_VALUE]) / data[UTSV_UNITS_VALUE] - data[UTSV_EPOCH_OFFSET_VALUE]; | |
| 105 } | |
| 106 | |
| 107 if (universalTime > data[UTSV_MAX_ROUND_VALUE]) { | |
| 108 return (universalTime - data[UTSV_UNITS_ROUND_VALUE]) / data[UTSV_UNITS_VALUE] - data[UTSV_EPOCH_OFFSET_MINUS_1_VALUE]; | |
| 109 } | |
| 110 | |
| 111 return (universalTime + data[UTSV_UNITS_ROUND_VALUE]) / data[UTSV_UNITS_VALUE] - data[UTSV_EPOCH_OFFSET_VALUE]; | |
| 112 } | |
| 113 | |
| 114 #endif /* #if !UCONFIG_NO_FORMATTING */ |
