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-rw-r--r--deps/node/deps/icu-small/source/i18n/erarules.cpp307
1 files changed, 0 insertions, 307 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/erarules.cpp b/deps/node/deps/icu-small/source/i18n/erarules.cpp
deleted file mode 100644
index 669f8442..00000000
--- a/deps/node/deps/icu-small/source/i18n/erarules.cpp
+++ /dev/null
@@ -1,307 +0,0 @@
-// © 2018 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-
-#include "unicode/utypes.h"
-
-#if !UCONFIG_NO_FORMATTING
-
-#include <stdlib.h>
-#include "unicode/ucal.h"
-#include "unicode/ures.h"
-#include "unicode/ustring.h"
-#include "cmemory.h"
-#include "cstring.h"
-#include "erarules.h"
-#include "gregoimp.h"
-#include "uassert.h"
-
-U_NAMESPACE_BEGIN
-
-static const int32_t MAX_ENCODED_START_YEAR = 32767;
-static const int32_t MIN_ENCODED_START_YEAR = -32768;
-static const int32_t MIN_ENCODED_START = -2147483391; // encodeDate(MIN_ENCODED_START_YEAR, 1, 1, ...);
-
-static const int32_t YEAR_MASK = 0xFFFF0000;
-static const int32_t MONTH_MASK = 0x0000FF00;
-static const int32_t DAY_MASK = 0x000000FF;
-
-static const int32_t MAX_INT32 = 0x7FFFFFFF;
-static const int32_t MIN_INT32 = 0xFFFFFFFF;
-
-static const UChar VAL_FALSE[] = {0x66, 0x61, 0x6c, 0x73, 0x65}; // "false"
-static const UChar VAL_FALSE_LEN = 5;
-
-static UBool isSet(int startDate) {
- return startDate != 0;
-}
-
-static UBool isValidRuleStartDate(int32_t year, int32_t month, int32_t day) {
- return year >= MIN_ENCODED_START_YEAR && year <= MAX_ENCODED_START_YEAR
- && month >= 1 && month <= 12 && day >=1 && day <= 31;
-}
-
-/**
- * Encode year/month/date to a single integer.
- * year is high 16 bits (-32768 to 32767), month is
- * next 8 bits and day of month is last 8 bits.
- *
- * @param year year
- * @param month month (1-base)
- * @param day day of month
- * @return an encoded date.
- */
-static int32_t encodeDate(int32_t year, int32_t month, int32_t day) {
- return year << 16 | month << 8 | day;
-}
-
-static void decodeDate(int32_t encodedDate, int32_t (&fields)[3]) {
- if (encodedDate == MIN_ENCODED_START) {
- fields[0] = MIN_INT32;
- fields[1] = 1;
- fields[2] = 1;
- } else {
- fields[0] = (encodedDate & YEAR_MASK) >> 16;
- fields[1] = (encodedDate & MONTH_MASK) >> 8;
- fields[2] = encodedDate & DAY_MASK;
- }
-}
-
-/**
- * Compare an encoded date with another date specified by year/month/day.
- * @param encoded An encoded date
- * @param year Year of another date
- * @param month Month of another date
- * @param day Day of another date
- * @return -1 when encoded date is earlier, 0 when two dates are same,
- * and 1 when encoded date is later.
- */
-static int32_t compareEncodedDateWithYMD(int encoded, int year, int month, int day) {
- if (year < MIN_ENCODED_START_YEAR) {
- if (encoded == MIN_ENCODED_START) {
- if (year > MIN_INT32 || month > 1 || day > 1) {
- return -1;
- }
- return 0;
- } else {
- return 1;
- }
- } else if (year > MAX_ENCODED_START_YEAR) {
- return -1;
- } else {
- int tmp = encodeDate(year, month, day);
- if (encoded < tmp) {
- return -1;
- } else if (encoded == tmp) {
- return 0;
- } else {
- return 1;
- }
- }
-}
-
-EraRules::EraRules(LocalMemory<int32_t>& eraStartDates, int32_t numEras)
- : numEras(numEras) {
- startDates.moveFrom(eraStartDates);
- initCurrentEra();
-}
-
-EraRules::~EraRules() {
-}
-
-EraRules* EraRules::createInstance(const char *calType, UBool includeTentativeEra, UErrorCode& status) {
- if(U_FAILURE(status)) {
- return nullptr;
- }
- LocalUResourceBundlePointer rb(ures_openDirect(nullptr, "supplementalData", &status));
- ures_getByKey(rb.getAlias(), "calendarData", rb.getAlias(), &status);
- ures_getByKey(rb.getAlias(), calType, rb.getAlias(), &status);
- ures_getByKey(rb.getAlias(), "eras", rb.getAlias(), &status);
-
- if (U_FAILURE(status)) {
- return nullptr;
- }
-
- int32_t numEras = ures_getSize(rb.getAlias());
- int32_t firstTentativeIdx = MAX_INT32;
-
- LocalMemory<int32_t> startDates(static_cast<int32_t *>(uprv_malloc(numEras * sizeof(int32_t))));
- if (startDates.isNull()) {
- status = U_MEMORY_ALLOCATION_ERROR;
- return nullptr;
- }
- uprv_memset(startDates.getAlias(), 0 , numEras * sizeof(int32_t));
-
- while (ures_hasNext(rb.getAlias())) {
- LocalUResourceBundlePointer eraRuleRes(ures_getNextResource(rb.getAlias(), nullptr, &status));
- if (U_FAILURE(status)) {
- return nullptr;
- }
- const char *eraIdxStr = ures_getKey(eraRuleRes.getAlias());
- char *endp;
- int32_t eraIdx = (int32_t)strtol(eraIdxStr, &endp, 10);
- if ((size_t)(endp - eraIdxStr) != uprv_strlen(eraIdxStr)) {
- status = U_INVALID_FORMAT_ERROR;
- return nullptr;
- }
- if (eraIdx < 0 || eraIdx >= numEras) {
- status = U_INVALID_FORMAT_ERROR;
- return nullptr;
- }
- if (isSet(startDates[eraIdx])) {
- // start date of the index was already set
- status = U_INVALID_FORMAT_ERROR;
- return nullptr;
- }
-
- UBool hasName = TRUE;
- UBool hasEnd = TRUE;
- int32_t len;
- while (ures_hasNext(eraRuleRes.getAlias())) {
- LocalUResourceBundlePointer res(ures_getNextResource(eraRuleRes.getAlias(), nullptr, &status));
- if (U_FAILURE(status)) {
- return nullptr;
- }
- const char *key = ures_getKey(res.getAlias());
- if (uprv_strcmp(key, "start") == 0) {
- const int32_t *fields = ures_getIntVector(res.getAlias(), &len, &status);
- if (U_FAILURE(status)) {
- return nullptr;
- }
- if (len != 3 || !isValidRuleStartDate(fields[0], fields[1], fields[2])) {
- status = U_INVALID_FORMAT_ERROR;
- return nullptr;
- }
- startDates[eraIdx] = encodeDate(fields[0], fields[1], fields[2]);
- } else if (uprv_strcmp(key, "named") == 0) {
- const UChar *val = ures_getString(res.getAlias(), &len, &status);
- if (u_strncmp(val, VAL_FALSE, VAL_FALSE_LEN) == 0) {
- hasName = FALSE;
- }
- } else if (uprv_strcmp(key, "end") == 0) {
- hasEnd = TRUE;
- }
- }
-
- if (isSet(startDates[eraIdx])) {
- if (hasEnd) {
- // This implementation assumes either start or end is available, not both.
- // For now, just ignore the end rule.
- }
- } else {
- if (hasEnd) {
- if (eraIdx != 0) {
- // This implementation does not support end only rule for eras other than
- // the first one.
- status = U_INVALID_FORMAT_ERROR;
- return nullptr;
- }
- U_ASSERT(eraIdx == 0);
- startDates[eraIdx] = MIN_ENCODED_START;
- } else {
- status = U_INVALID_FORMAT_ERROR;
- return nullptr;
- }
- }
-
- if (hasName) {
- if (eraIdx >= firstTentativeIdx) {
- status = U_INVALID_FORMAT_ERROR;
- return nullptr;
- }
- } else {
- if (eraIdx < firstTentativeIdx) {
- firstTentativeIdx = eraIdx;
- }
- }
- }
-
- EraRules *result;
- if (firstTentativeIdx < MAX_INT32 && !includeTentativeEra) {
- result = new EraRules(startDates, firstTentativeIdx);
- } else {
- result = new EraRules(startDates, numEras);
- }
-
- if (result == nullptr) {
- status = U_MEMORY_ALLOCATION_ERROR;
- }
- return result;
-}
-
-void EraRules::getStartDate(int32_t eraIdx, int32_t (&fields)[3], UErrorCode& status) const {
- if(U_FAILURE(status)) {
- return;
- }
- if (eraIdx < 0 || eraIdx >= numEras) {
- status = U_ILLEGAL_ARGUMENT_ERROR;
- return;
- }
- decodeDate(startDates[eraIdx], fields);
-}
-
-int32_t EraRules::getStartYear(int32_t eraIdx, UErrorCode& status) const {
- int year = MAX_INT32; // bogus value
- if(U_FAILURE(status)) {
- return year;
- }
- if (eraIdx < 0 || eraIdx >= numEras) {
- status = U_ILLEGAL_ARGUMENT_ERROR;
- return year;
- }
- int fields[3];
- decodeDate(startDates[eraIdx], fields);
- year = fields[0];
-
- return year;
-}
-
-int32_t EraRules::getEraIndex(int32_t year, int32_t month, int32_t day, UErrorCode& status) const {
- if(U_FAILURE(status)) {
- return -1;
- }
-
- if (month < 1 || month > 12 || day < 1 || day > 31) {
- status = U_ILLEGAL_ARGUMENT_ERROR;
- return -1;
- }
- int32_t high = numEras; // last index + 1
- int32_t low;
-
- // Short circuit for recent years. Most modern computations will
- // occur in the last few eras.
- if (compareEncodedDateWithYMD(startDates[getCurrentEraIndex()], year, month, day) <= 0) {
- low = getCurrentEraIndex();
- } else {
- low = 0;
- }
-
- // Do binary search
- while (low < high - 1) {
- int i = (low + high) / 2;
- if (compareEncodedDateWithYMD(startDates[i], year, month, day) <= 0) {
- low = i;
- } else {
- high = i;
- }
- }
- return low;
-}
-
-void EraRules::initCurrentEra() {
- UDate now = ucal_getNow();
- int year, month0, dom, dow, doy, mid;
- Grego::timeToFields(now, year, month0, dom, dow, doy, mid);
- int currentEncodedDate = encodeDate(year, month0 + 1 /* changes to 1-base */, dom);
- int eraIdx = numEras - 1;
- while (eraIdx > 0) {
- if (currentEncodedDate >= startDates[eraIdx]) {
- break;
- }
- eraIdx--;
- }
- // Note: current era could be before the first era.
- // In this case, this implementation returns the first era index (0).
- currentEra = eraIdx;}
-
-U_NAMESPACE_END
-#endif /* #if !UCONFIG_NO_FORMATTING */
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