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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /intl/icu/source/i18n/utmscale.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/icu/source/i18n/utmscale.cpp')
-rw-r--r--intl/icu/source/i18n/utmscale.cpp114
1 files changed, 114 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/utmscale.cpp b/intl/icu/source/i18n/utmscale.cpp
new file mode 100644
index 0000000000..61df43e778
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+++ b/intl/icu/source/i18n/utmscale.cpp
@@ -0,0 +1,114 @@
+// © 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 == nullptr || 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) UPRV_NO_SANITIZE_UNDEFINED {
+ const int64_t *data;
+
+ if (status == nullptr || 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) UPRV_NO_SANITIZE_UNDEFINED {
+ const int64_t *data;
+
+ if (status == nullptr || 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 */