diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/dtptngen.cpp')
| -rw-r--r-- | deps/node/deps/icu-small/source/i18n/dtptngen.cpp | 2748 |
1 files changed, 0 insertions, 2748 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/dtptngen.cpp b/deps/node/deps/icu-small/source/i18n/dtptngen.cpp deleted file mode 100644 index b44daf37..00000000 --- a/deps/node/deps/icu-small/source/i18n/dtptngen.cpp +++ /dev/null @@ -1,2748 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* Copyright (C) 2007-2016, International Business Machines Corporation and -* others. All Rights Reserved. -******************************************************************************* -* -* File DTPTNGEN.CPP -* -******************************************************************************* -*/ - -#include "unicode/utypes.h" -#if !UCONFIG_NO_FORMATTING - -#include "unicode/datefmt.h" -#include "unicode/decimfmt.h" -#include "unicode/dtfmtsym.h" -#include "unicode/dtptngen.h" -#include "unicode/localpointer.h" -#include "unicode/simpleformatter.h" -#include "unicode/smpdtfmt.h" -#include "unicode/udat.h" -#include "unicode/udatpg.h" -#include "unicode/uniset.h" -#include "unicode/uloc.h" -#include "unicode/ures.h" -#include "unicode/ustring.h" -#include "unicode/rep.h" -#include "cpputils.h" -#include "mutex.h" -#include "umutex.h" -#include "cmemory.h" -#include "cstring.h" -#include "locbased.h" -#include "hash.h" -#include "uhash.h" -#include "uresimp.h" -#include "dtptngen_impl.h" -#include "ucln_in.h" -#include "charstr.h" -#include "uassert.h" - -#if U_CHARSET_FAMILY==U_EBCDIC_FAMILY -/** - * If we are on EBCDIC, use an iterator which will - * traverse the bundles in ASCII order. - */ -#define U_USE_ASCII_BUNDLE_ITERATOR -#define U_SORT_ASCII_BUNDLE_ITERATOR -#endif - -#if defined(U_USE_ASCII_BUNDLE_ITERATOR) - -#include "unicode/ustring.h" -#include "uarrsort.h" - -struct UResAEntry { - UChar *key; - UResourceBundle *item; -}; - -struct UResourceBundleAIterator { - UResourceBundle *bund; - UResAEntry *entries; - int32_t num; - int32_t cursor; -}; - -/* Must be C linkage to pass function pointer to the sort function */ - -U_CDECL_BEGIN - -static int32_t U_CALLCONV -ures_a_codepointSort(const void *context, const void *left, const void *right) { - //CompareContext *cmp=(CompareContext *)context; - return u_strcmp(((const UResAEntry *)left)->key, - ((const UResAEntry *)right)->key); -} - -U_CDECL_END - -static void ures_a_open(UResourceBundleAIterator *aiter, UResourceBundle *bund, UErrorCode *status) { - if(U_FAILURE(*status)) { - return; - } - aiter->bund = bund; - aiter->num = ures_getSize(aiter->bund); - aiter->cursor = 0; -#if !defined(U_SORT_ASCII_BUNDLE_ITERATOR) - aiter->entries = nullptr; -#else - aiter->entries = (UResAEntry*)uprv_malloc(sizeof(UResAEntry)*aiter->num); - for(int i=0;i<aiter->num;i++) { - aiter->entries[i].item = ures_getByIndex(aiter->bund, i, nullptr, status); - const char *akey = ures_getKey(aiter->entries[i].item); - int32_t len = uprv_strlen(akey)+1; - aiter->entries[i].key = (UChar*)uprv_malloc(len*sizeof(UChar)); - u_charsToUChars(akey, aiter->entries[i].key, len); - } - uprv_sortArray(aiter->entries, aiter->num, sizeof(UResAEntry), ures_a_codepointSort, nullptr, TRUE, status); -#endif -} - -static void ures_a_close(UResourceBundleAIterator *aiter) { -#if defined(U_SORT_ASCII_BUNDLE_ITERATOR) - for(int i=0;i<aiter->num;i++) { - uprv_free(aiter->entries[i].key); - ures_close(aiter->entries[i].item); - } -#endif -} - -static const UChar *ures_a_getNextString(UResourceBundleAIterator *aiter, int32_t *len, const char **key, UErrorCode *err) { -#if !defined(U_SORT_ASCII_BUNDLE_ITERATOR) - return ures_getNextString(aiter->bund, len, key, err); -#else - if(U_FAILURE(*err)) return nullptr; - UResourceBundle *item = aiter->entries[aiter->cursor].item; - const UChar* ret = ures_getString(item, len, err); - *key = ures_getKey(item); - aiter->cursor++; - return ret; -#endif -} - - -#endif - - -U_NAMESPACE_BEGIN - -// ***************************************************************************** -// class DateTimePatternGenerator -// ***************************************************************************** -static const UChar Canonical_Items[] = { - // GyQMwWEDFdaHmsSv - CAP_G, LOW_Y, CAP_Q, CAP_M, LOW_W, CAP_W, CAP_E, - CAP_D, CAP_F, LOW_D, LOW_A, // The UDATPG_x_FIELD constants and these fields have a different order than in ICU4J - CAP_H, LOW_M, LOW_S, CAP_S, LOW_V, 0 -}; - -static const dtTypeElem dtTypes[] = { - // patternChar, field, type, minLen, weight - {CAP_G, UDATPG_ERA_FIELD, DT_SHORT, 1, 3,}, - {CAP_G, UDATPG_ERA_FIELD, DT_LONG, 4, 0}, - {CAP_G, UDATPG_ERA_FIELD, DT_NARROW, 5, 0}, - - {LOW_Y, UDATPG_YEAR_FIELD, DT_NUMERIC, 1, 20}, - {CAP_Y, UDATPG_YEAR_FIELD, DT_NUMERIC + DT_DELTA, 1, 20}, - {LOW_U, UDATPG_YEAR_FIELD, DT_NUMERIC + 2*DT_DELTA, 1, 20}, - {LOW_R, UDATPG_YEAR_FIELD, DT_NUMERIC + 3*DT_DELTA, 1, 20}, - {CAP_U, UDATPG_YEAR_FIELD, DT_SHORT, 1, 3}, - {CAP_U, UDATPG_YEAR_FIELD, DT_LONG, 4, 0}, - {CAP_U, UDATPG_YEAR_FIELD, DT_NARROW, 5, 0}, - - {CAP_Q, UDATPG_QUARTER_FIELD, DT_NUMERIC, 1, 2}, - {CAP_Q, UDATPG_QUARTER_FIELD, DT_SHORT, 3, 0}, - {CAP_Q, UDATPG_QUARTER_FIELD, DT_LONG, 4, 0}, - {CAP_Q, UDATPG_QUARTER_FIELD, DT_NARROW, 5, 0}, - {LOW_Q, UDATPG_QUARTER_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, - {LOW_Q, UDATPG_QUARTER_FIELD, DT_SHORT - DT_DELTA, 3, 0}, - {LOW_Q, UDATPG_QUARTER_FIELD, DT_LONG - DT_DELTA, 4, 0}, - {LOW_Q, UDATPG_QUARTER_FIELD, DT_NARROW - DT_DELTA, 5, 0}, - - {CAP_M, UDATPG_MONTH_FIELD, DT_NUMERIC, 1, 2}, - {CAP_M, UDATPG_MONTH_FIELD, DT_SHORT, 3, 0}, - {CAP_M, UDATPG_MONTH_FIELD, DT_LONG, 4, 0}, - {CAP_M, UDATPG_MONTH_FIELD, DT_NARROW, 5, 0}, - {CAP_L, UDATPG_MONTH_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, - {CAP_L, UDATPG_MONTH_FIELD, DT_SHORT - DT_DELTA, 3, 0}, - {CAP_L, UDATPG_MONTH_FIELD, DT_LONG - DT_DELTA, 4, 0}, - {CAP_L, UDATPG_MONTH_FIELD, DT_NARROW - DT_DELTA, 5, 0}, - {LOW_L, UDATPG_MONTH_FIELD, DT_NUMERIC + DT_DELTA, 1, 1}, - - {LOW_W, UDATPG_WEEK_OF_YEAR_FIELD, DT_NUMERIC, 1, 2}, - - {CAP_W, UDATPG_WEEK_OF_MONTH_FIELD, DT_NUMERIC, 1, 0}, - - {CAP_E, UDATPG_WEEKDAY_FIELD, DT_SHORT, 1, 3}, - {CAP_E, UDATPG_WEEKDAY_FIELD, DT_LONG, 4, 0}, - {CAP_E, UDATPG_WEEKDAY_FIELD, DT_NARROW, 5, 0}, - {CAP_E, UDATPG_WEEKDAY_FIELD, DT_SHORTER, 6, 0}, - {LOW_C, UDATPG_WEEKDAY_FIELD, DT_NUMERIC + 2*DT_DELTA, 1, 2}, - {LOW_C, UDATPG_WEEKDAY_FIELD, DT_SHORT - 2*DT_DELTA, 3, 0}, - {LOW_C, UDATPG_WEEKDAY_FIELD, DT_LONG - 2*DT_DELTA, 4, 0}, - {LOW_C, UDATPG_WEEKDAY_FIELD, DT_NARROW - 2*DT_DELTA, 5, 0}, - {LOW_C, UDATPG_WEEKDAY_FIELD, DT_SHORTER - 2*DT_DELTA, 6, 0}, - {LOW_E, UDATPG_WEEKDAY_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, // LOW_E is currently not used in CLDR data, should not be canonical - {LOW_E, UDATPG_WEEKDAY_FIELD, DT_SHORT - DT_DELTA, 3, 0}, - {LOW_E, UDATPG_WEEKDAY_FIELD, DT_LONG - DT_DELTA, 4, 0}, - {LOW_E, UDATPG_WEEKDAY_FIELD, DT_NARROW - DT_DELTA, 5, 0}, - {LOW_E, UDATPG_WEEKDAY_FIELD, DT_SHORTER - DT_DELTA, 6, 0}, - - {LOW_D, UDATPG_DAY_FIELD, DT_NUMERIC, 1, 2}, - {LOW_G, UDATPG_DAY_FIELD, DT_NUMERIC + DT_DELTA, 1, 20}, // really internal use, so we don't care - - {CAP_D, UDATPG_DAY_OF_YEAR_FIELD, DT_NUMERIC, 1, 3}, - - {CAP_F, UDATPG_DAY_OF_WEEK_IN_MONTH_FIELD, DT_NUMERIC, 1, 0}, - - {LOW_A, UDATPG_DAYPERIOD_FIELD, DT_SHORT, 1, 3}, - {LOW_A, UDATPG_DAYPERIOD_FIELD, DT_LONG, 4, 0}, - {LOW_A, UDATPG_DAYPERIOD_FIELD, DT_NARROW, 5, 0}, - {LOW_B, UDATPG_DAYPERIOD_FIELD, DT_SHORT - DT_DELTA, 1, 3}, - {LOW_B, UDATPG_DAYPERIOD_FIELD, DT_LONG - DT_DELTA, 4, 0}, - {LOW_B, UDATPG_DAYPERIOD_FIELD, DT_NARROW - DT_DELTA, 5, 0}, - // b needs to be closer to a than to B, so we make this 3*DT_DELTA - {CAP_B, UDATPG_DAYPERIOD_FIELD, DT_SHORT - 3*DT_DELTA, 1, 3}, - {CAP_B, UDATPG_DAYPERIOD_FIELD, DT_LONG - 3*DT_DELTA, 4, 0}, - {CAP_B, UDATPG_DAYPERIOD_FIELD, DT_NARROW - 3*DT_DELTA, 5, 0}, - - {CAP_H, UDATPG_HOUR_FIELD, DT_NUMERIC + 10*DT_DELTA, 1, 2}, // 24 hour - {LOW_K, UDATPG_HOUR_FIELD, DT_NUMERIC + 11*DT_DELTA, 1, 2}, // 24 hour - {LOW_H, UDATPG_HOUR_FIELD, DT_NUMERIC, 1, 2}, // 12 hour - {CAP_K, UDATPG_HOUR_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, // 12 hour - // The C code has had versions of the following 3, keep & update. Should not need these, but... - // Without these, certain tests using e.g. staticGetSkeleton fail because j/J in patterns - // get skipped instead of mapped to the right hour chars, for example in - // DateFormatTest::TestPatternFromSkeleton - // IntlTestDateTimePatternGeneratorAPI:: testStaticGetSkeleton - // DateIntervalFormatTest::testTicket11985 - // Need to investigate better handling of jJC replacement e.g. in staticGetSkeleton. - {CAP_J, UDATPG_HOUR_FIELD, DT_NUMERIC + 5*DT_DELTA, 1, 2}, // 12/24 hour no AM/PM - {LOW_J, UDATPG_HOUR_FIELD, DT_NUMERIC + 6*DT_DELTA, 1, 6}, // 12/24 hour - {CAP_C, UDATPG_HOUR_FIELD, DT_NUMERIC + 7*DT_DELTA, 1, 6}, // 12/24 hour with preferred dayPeriods for 12 - - {LOW_M, UDATPG_MINUTE_FIELD, DT_NUMERIC, 1, 2}, - - {LOW_S, UDATPG_SECOND_FIELD, DT_NUMERIC, 1, 2}, - {CAP_A, UDATPG_SECOND_FIELD, DT_NUMERIC + DT_DELTA, 1, 1000}, - - {CAP_S, UDATPG_FRACTIONAL_SECOND_FIELD, DT_NUMERIC, 1, 1000}, - - {LOW_V, UDATPG_ZONE_FIELD, DT_SHORT - 2*DT_DELTA, 1, 0}, - {LOW_V, UDATPG_ZONE_FIELD, DT_LONG - 2*DT_DELTA, 4, 0}, - {LOW_Z, UDATPG_ZONE_FIELD, DT_SHORT, 1, 3}, - {LOW_Z, UDATPG_ZONE_FIELD, DT_LONG, 4, 0}, - {CAP_Z, UDATPG_ZONE_FIELD, DT_NARROW - DT_DELTA, 1, 3}, - {CAP_Z, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 4, 0}, - {CAP_Z, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 5, 0}, - {CAP_O, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 1, 0}, - {CAP_O, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 4, 0}, - {CAP_V, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 1, 0}, - {CAP_V, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 2, 0}, - {CAP_V, UDATPG_ZONE_FIELD, DT_LONG-1 - DT_DELTA, 3, 0}, - {CAP_V, UDATPG_ZONE_FIELD, DT_LONG-2 - DT_DELTA, 4, 0}, - {CAP_X, UDATPG_ZONE_FIELD, DT_NARROW - DT_DELTA, 1, 0}, - {CAP_X, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 2, 0}, - {CAP_X, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 4, 0}, - {LOW_X, UDATPG_ZONE_FIELD, DT_NARROW - DT_DELTA, 1, 0}, - {LOW_X, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 2, 0}, - {LOW_X, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 4, 0}, - - {0, UDATPG_FIELD_COUNT, 0, 0, 0} , // last row of dtTypes[] - }; - -static const char* const CLDR_FIELD_APPEND[] = { - "Era", "Year", "Quarter", "Month", "Week", "*", "Day-Of-Week", - "*", "*", "Day", "*", // The UDATPG_x_FIELD constants and these fields have a different order than in ICU4J - "Hour", "Minute", "Second", "*", "Timezone" -}; - -static const char* const CLDR_FIELD_NAME[UDATPG_FIELD_COUNT] = { - "era", "year", "quarter", "month", "week", "weekOfMonth", "weekday", - "dayOfYear", "weekdayOfMonth", "day", "dayperiod", // The UDATPG_x_FIELD constants and these fields have a different order than in ICU4J - "hour", "minute", "second", "*", "zone" -}; - -static const char* const CLDR_FIELD_WIDTH[] = { // [UDATPG_WIDTH_COUNT] - "", "-short", "-narrow" -}; - -// TODO(ticket:13619): remove when definition uncommented in dtptngen.h. -static const int32_t UDATPG_WIDTH_COUNT = UDATPG_NARROW + 1; -static constexpr UDateTimePGDisplayWidth UDATPG_WIDTH_APPENDITEM = UDATPG_WIDE; -static constexpr int32_t UDATPG_FIELD_KEY_MAX = 24; // max length of CLDR field tag (type + width) - -// For appendItems -static const UChar UDATPG_ItemFormat[]= {0x7B, 0x30, 0x7D, 0x20, 0x251C, 0x7B, 0x32, 0x7D, 0x3A, - 0x20, 0x7B, 0x31, 0x7D, 0x2524, 0}; // {0} \u251C{2}: {1}\u2524 - -//static const UChar repeatedPatterns[6]={CAP_G, CAP_E, LOW_Z, LOW_V, CAP_Q, 0}; // "GEzvQ" - -static const char DT_DateTimePatternsTag[]="DateTimePatterns"; -static const char DT_DateTimeCalendarTag[]="calendar"; -static const char DT_DateTimeGregorianTag[]="gregorian"; -static const char DT_DateTimeAppendItemsTag[]="appendItems"; -static const char DT_DateTimeFieldsTag[]="fields"; -static const char DT_DateTimeAvailableFormatsTag[]="availableFormats"; -//static const UnicodeString repeatedPattern=UnicodeString(repeatedPatterns); - -UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DateTimePatternGenerator) -UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DTSkeletonEnumeration) -UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DTRedundantEnumeration) - -DateTimePatternGenerator* U_EXPORT2 -DateTimePatternGenerator::createInstance(UErrorCode& status) { - return createInstance(Locale::getDefault(), status); -} - -DateTimePatternGenerator* U_EXPORT2 -DateTimePatternGenerator::createInstance(const Locale& locale, UErrorCode& status) { - if (U_FAILURE(status)) { - return nullptr; - } - LocalPointer<DateTimePatternGenerator> result( - new DateTimePatternGenerator(locale, status), status); - return U_SUCCESS(status) ? result.orphan() : nullptr; -} - -DateTimePatternGenerator* U_EXPORT2 -DateTimePatternGenerator::createEmptyInstance(UErrorCode& status) { - if (U_FAILURE(status)) { - return nullptr; - } - LocalPointer<DateTimePatternGenerator> result( - new DateTimePatternGenerator(status), status); - return U_SUCCESS(status) ? result.orphan() : nullptr; -} - -DateTimePatternGenerator::DateTimePatternGenerator(UErrorCode &status) : - skipMatcher(nullptr), - fAvailableFormatKeyHash(nullptr), - internalErrorCode(U_ZERO_ERROR) -{ - fp = new FormatParser(); - dtMatcher = new DateTimeMatcher(); - distanceInfo = new DistanceInfo(); - patternMap = new PatternMap(); - if (fp == nullptr || dtMatcher == nullptr || distanceInfo == nullptr || patternMap == nullptr) { - internalErrorCode = status = U_MEMORY_ALLOCATION_ERROR; - } -} - -DateTimePatternGenerator::DateTimePatternGenerator(const Locale& locale, UErrorCode &status) : - skipMatcher(nullptr), - fAvailableFormatKeyHash(nullptr), - internalErrorCode(U_ZERO_ERROR) -{ - fp = new FormatParser(); - dtMatcher = new DateTimeMatcher(); - distanceInfo = new DistanceInfo(); - patternMap = new PatternMap(); - if (fp == nullptr || dtMatcher == nullptr || distanceInfo == nullptr || patternMap == nullptr) { - internalErrorCode = status = U_MEMORY_ALLOCATION_ERROR; - } - else { - initData(locale, status); - } -} - -DateTimePatternGenerator::DateTimePatternGenerator(const DateTimePatternGenerator& other) : - UObject(), - skipMatcher(nullptr), - fAvailableFormatKeyHash(nullptr), - internalErrorCode(U_ZERO_ERROR) -{ - fp = new FormatParser(); - dtMatcher = new DateTimeMatcher(); - distanceInfo = new DistanceInfo(); - patternMap = new PatternMap(); - if (fp == nullptr || dtMatcher == nullptr || distanceInfo == nullptr || patternMap == nullptr) { - internalErrorCode = U_MEMORY_ALLOCATION_ERROR; - } - *this=other; -} - -DateTimePatternGenerator& -DateTimePatternGenerator::operator=(const DateTimePatternGenerator& other) { - // reflexive case - if (&other == this) { - return *this; - } - internalErrorCode = other.internalErrorCode; - pLocale = other.pLocale; - fDefaultHourFormatChar = other.fDefaultHourFormatChar; - *fp = *(other.fp); - dtMatcher->copyFrom(other.dtMatcher->skeleton); - *distanceInfo = *(other.distanceInfo); - dateTimeFormat = other.dateTimeFormat; - decimal = other.decimal; - // NUL-terminate for the C API. - dateTimeFormat.getTerminatedBuffer(); - decimal.getTerminatedBuffer(); - delete skipMatcher; - if ( other.skipMatcher == nullptr ) { - skipMatcher = nullptr; - } - else { - skipMatcher = new DateTimeMatcher(*other.skipMatcher); - if (skipMatcher == nullptr) - { - internalErrorCode = U_MEMORY_ALLOCATION_ERROR; - return *this; - } - } - for (int32_t i=0; i< UDATPG_FIELD_COUNT; ++i ) { - appendItemFormats[i] = other.appendItemFormats[i]; - appendItemFormats[i].getTerminatedBuffer(); // NUL-terminate for the C API. - for (int32_t j=0; j< UDATPG_WIDTH_COUNT; ++j ) { - fieldDisplayNames[i][j] = other.fieldDisplayNames[i][j]; - fieldDisplayNames[i][j].getTerminatedBuffer(); // NUL-terminate for the C API. - } - } - patternMap->copyFrom(*other.patternMap, internalErrorCode); - copyHashtable(other.fAvailableFormatKeyHash, internalErrorCode); - return *this; -} - - -UBool -DateTimePatternGenerator::operator==(const DateTimePatternGenerator& other) const { - if (this == &other) { - return TRUE; - } - if ((pLocale==other.pLocale) && (patternMap->equals(*other.patternMap)) && - (dateTimeFormat==other.dateTimeFormat) && (decimal==other.decimal)) { - for ( int32_t i=0 ; i<UDATPG_FIELD_COUNT; ++i ) { - if (appendItemFormats[i] != other.appendItemFormats[i]) { - return FALSE; - } - for (int32_t j=0; j< UDATPG_WIDTH_COUNT; ++j ) { - if (fieldDisplayNames[i][j] != other.fieldDisplayNames[i][j]) { - return FALSE; - } - } - } - return TRUE; - } - else { - return FALSE; - } -} - -UBool -DateTimePatternGenerator::operator!=(const DateTimePatternGenerator& other) const { - return !operator==(other); -} - -DateTimePatternGenerator::~DateTimePatternGenerator() { - if (fAvailableFormatKeyHash!=nullptr) { - delete fAvailableFormatKeyHash; - } - - if (fp != nullptr) delete fp; - if (dtMatcher != nullptr) delete dtMatcher; - if (distanceInfo != nullptr) delete distanceInfo; - if (patternMap != nullptr) delete patternMap; - if (skipMatcher != nullptr) delete skipMatcher; -} - -namespace { - -UInitOnce initOnce = U_INITONCE_INITIALIZER; -UHashtable *localeToAllowedHourFormatsMap = nullptr; - -// Value deleter for hashmap. -U_CFUNC void U_CALLCONV deleteAllowedHourFormats(void *ptr) { - uprv_free(ptr); -} - -// Close hashmap at cleanup. -U_CFUNC UBool U_CALLCONV allowedHourFormatsCleanup() { - uhash_close(localeToAllowedHourFormatsMap); - return TRUE; -} - -enum AllowedHourFormat{ - ALLOWED_HOUR_FORMAT_UNKNOWN = -1, - ALLOWED_HOUR_FORMAT_h, - ALLOWED_HOUR_FORMAT_H, - ALLOWED_HOUR_FORMAT_hb, - ALLOWED_HOUR_FORMAT_Hb, - ALLOWED_HOUR_FORMAT_hB, - ALLOWED_HOUR_FORMAT_HB -}; - -} // namespace - -void -DateTimePatternGenerator::initData(const Locale& locale, UErrorCode &status) { - //const char *baseLangName = locale.getBaseName(); // unused - - skipMatcher = nullptr; - fAvailableFormatKeyHash=nullptr; - addCanonicalItems(status); - addICUPatterns(locale, status); - addCLDRData(locale, status); - setDateTimeFromCalendar(locale, status); - setDecimalSymbols(locale, status); - umtx_initOnce(initOnce, loadAllowedHourFormatsData, status); - getAllowedHourFormats(locale, status); - // If any of the above methods failed then the object is in an invalid state. - internalErrorCode = status; -} // DateTimePatternGenerator::initData - -namespace { - -struct AllowedHourFormatsSink : public ResourceSink { - // Initialize sub-sinks. - AllowedHourFormatsSink() {} - virtual ~AllowedHourFormatsSink(); - - virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/, - UErrorCode &errorCode) { - ResourceTable timeData = value.getTable(errorCode); - if (U_FAILURE(errorCode)) { return; } - for (int32_t i = 0; timeData.getKeyAndValue(i, key, value); ++i) { - const char *regionOrLocale = key; - ResourceTable formatList = value.getTable(errorCode); - if (U_FAILURE(errorCode)) { return; } - for (int32_t j = 0; formatList.getKeyAndValue(j, key, value); ++j) { - if (uprv_strcmp(key, "allowed") == 0) { // Ignore "preferred" list. - LocalMemory<int32_t> list; - int32_t length; - if (value.getType() == URES_STRING) { - if (list.allocateInsteadAndReset(2) == nullptr) { - errorCode = U_MEMORY_ALLOCATION_ERROR; - return; - } - list[0] = getHourFormatFromUnicodeString(value.getUnicodeString(errorCode)); - length = 1; - } - else { - ResourceArray allowedFormats = value.getArray(errorCode); - length = allowedFormats.getSize(); - if (list.allocateInsteadAndReset(length + 1) == nullptr) { - errorCode = U_MEMORY_ALLOCATION_ERROR; - return; - } - for (int32_t k = 0; k < length; ++k) { - allowedFormats.getValue(k, value); - list[k] = getHourFormatFromUnicodeString(value.getUnicodeString(errorCode)); - } - } - list[length] = ALLOWED_HOUR_FORMAT_UNKNOWN; - uhash_put(localeToAllowedHourFormatsMap, - const_cast<char *>(regionOrLocale), list.orphan(), &errorCode); - if (U_FAILURE(errorCode)) { return; } - } - } - } - } - - AllowedHourFormat getHourFormatFromUnicodeString(const UnicodeString &s) { - if (s.length() == 1) { - if (s[0] == LOW_H) { return ALLOWED_HOUR_FORMAT_h; } - if (s[0] == CAP_H) { return ALLOWED_HOUR_FORMAT_H; } - } else if (s.length() == 2) { - if (s[0] == LOW_H && s[1] == LOW_B) { return ALLOWED_HOUR_FORMAT_hb; } - if (s[0] == CAP_H && s[1] == LOW_B) { return ALLOWED_HOUR_FORMAT_Hb; } - if (s[0] == LOW_H && s[1] == CAP_B) { return ALLOWED_HOUR_FORMAT_hB; } - if (s[0] == CAP_H && s[1] == CAP_B) { return ALLOWED_HOUR_FORMAT_HB; } - } - - return ALLOWED_HOUR_FORMAT_UNKNOWN; - } -}; - -} // namespace - -AllowedHourFormatsSink::~AllowedHourFormatsSink() {} - -U_CFUNC void U_CALLCONV DateTimePatternGenerator::loadAllowedHourFormatsData(UErrorCode &status) { - if (U_FAILURE(status)) { return; } - localeToAllowedHourFormatsMap = uhash_open( - uhash_hashChars, uhash_compareChars, nullptr, &status); - if (U_FAILURE(status)) { return; } - - uhash_setValueDeleter(localeToAllowedHourFormatsMap, deleteAllowedHourFormats); - ucln_i18n_registerCleanup(UCLN_I18N_ALLOWED_HOUR_FORMATS, allowedHourFormatsCleanup); - - LocalUResourceBundlePointer rb(ures_openDirect(nullptr, "supplementalData", &status)); - if (U_FAILURE(status)) { return; } - - AllowedHourFormatsSink sink; - // TODO: Currently in the enumeration each table allocates a new array. - // Try to reduce the number of memory allocations. Consider storing a - // UVector32 with the concatenation of all of the sub-arrays, put the start index - // into the hashmap, store 6 single-value sub-arrays right at the beginning of the - // vector (at index enum*2) for easy data sharing, copy sub-arrays into runtime - // object. Remember to clean up the vector, too. - ures_getAllItemsWithFallback(rb.getAlias(), "timeData", sink, status); -} - -void DateTimePatternGenerator::getAllowedHourFormats(const Locale &locale, UErrorCode &status) { - if (U_FAILURE(status)) { return; } - const char *localeID = locale.getName(); - char maxLocaleID[ULOC_FULLNAME_CAPACITY]; - int32_t length = uloc_addLikelySubtags(localeID, maxLocaleID, ULOC_FULLNAME_CAPACITY, &status); - if (U_FAILURE(status)) { - return; - } else if (length == ULOC_FULLNAME_CAPACITY) { // no room for NUL - status = U_BUFFER_OVERFLOW_ERROR; - return; - } - Locale maxLocale = Locale(maxLocaleID); - - const char *country = maxLocale.getCountry(); - if (*country == '\0') { country = "001"; } - const char *language = maxLocale.getLanguage(); - - CharString langCountry; - langCountry.append(language, static_cast<int32_t>(uprv_strlen(language)), status); - langCountry.append('_', status); - langCountry.append(country, static_cast<int32_t>(uprv_strlen(country)), status); - - int32_t *allowedFormats; - allowedFormats = (int32_t *)uhash_get(localeToAllowedHourFormatsMap, langCountry.data()); - if (allowedFormats == nullptr) { - allowedFormats = (int32_t *)uhash_get(localeToAllowedHourFormatsMap, const_cast<char *>(country)); - } - - if (allowedFormats != nullptr) { // Lookup is successful - for (int32_t i = 0; i < UPRV_LENGTHOF(fAllowedHourFormats); ++i) { - fAllowedHourFormats[i] = allowedFormats[i]; - if (allowedFormats[i] == ALLOWED_HOUR_FORMAT_UNKNOWN) { - break; - } - } - } else { // Lookup failed, twice - fAllowedHourFormats[0] = ALLOWED_HOUR_FORMAT_H; - fAllowedHourFormats[1] = ALLOWED_HOUR_FORMAT_UNKNOWN; - } -} - -UnicodeString -DateTimePatternGenerator::getSkeleton(const UnicodeString& pattern, UErrorCode& -/*status*/) { - FormatParser fp2; - DateTimeMatcher matcher; - PtnSkeleton localSkeleton; - matcher.set(pattern, &fp2, localSkeleton); - return localSkeleton.getSkeleton(); -} - -UnicodeString -DateTimePatternGenerator::staticGetSkeleton( - const UnicodeString& pattern, UErrorCode& /*status*/) { - FormatParser fp; - DateTimeMatcher matcher; - PtnSkeleton localSkeleton; - matcher.set(pattern, &fp, localSkeleton); - return localSkeleton.getSkeleton(); -} - -UnicodeString -DateTimePatternGenerator::getBaseSkeleton(const UnicodeString& pattern, UErrorCode& /*status*/) { - FormatParser fp2; - DateTimeMatcher matcher; - PtnSkeleton localSkeleton; - matcher.set(pattern, &fp2, localSkeleton); - return localSkeleton.getBaseSkeleton(); -} - -UnicodeString -DateTimePatternGenerator::staticGetBaseSkeleton( - const UnicodeString& pattern, UErrorCode& /*status*/) { - FormatParser fp; - DateTimeMatcher matcher; - PtnSkeleton localSkeleton; - matcher.set(pattern, &fp, localSkeleton); - return localSkeleton.getBaseSkeleton(); -} - -void -DateTimePatternGenerator::addICUPatterns(const Locale& locale, UErrorCode& status) { - if (U_FAILURE(status)) { return; } - UnicodeString dfPattern; - UnicodeString conflictingString; - DateFormat* df; - - // Load with ICU patterns - for (int32_t i=DateFormat::kFull; i<=DateFormat::kShort; i++) { - DateFormat::EStyle style = (DateFormat::EStyle)i; - df = DateFormat::createDateInstance(style, locale); - SimpleDateFormat* sdf; - if (df != nullptr && (sdf = dynamic_cast<SimpleDateFormat*>(df)) != nullptr) { - sdf->toPattern(dfPattern); - addPattern(dfPattern, FALSE, conflictingString, status); - } - // TODO Maybe we should return an error when the date format isn't simple. - delete df; - if (U_FAILURE(status)) { return; } - - df = DateFormat::createTimeInstance(style, locale); - if (df != nullptr && (sdf = dynamic_cast<SimpleDateFormat*>(df)) != nullptr) { - sdf->toPattern(dfPattern); - addPattern(dfPattern, FALSE, conflictingString, status); - - // TODO: C++ and Java are inconsistent (see #12568). - // C++ uses MEDIUM, but Java uses SHORT. - if ( i==DateFormat::kShort && !dfPattern.isEmpty() ) { - consumeShortTimePattern(dfPattern, status); - } - } - // TODO Maybe we should return an error when the date format isn't simple. - delete df; - if (U_FAILURE(status)) { return; } - } -} - -void -DateTimePatternGenerator::hackTimes(const UnicodeString& hackPattern, UErrorCode& status) { - UnicodeString conflictingString; - - fp->set(hackPattern); - UnicodeString mmss; - UBool gotMm=FALSE; - for (int32_t i=0; i<fp->itemNumber; ++i) { - UnicodeString field = fp->items[i]; - if ( fp->isQuoteLiteral(field) ) { - if ( gotMm ) { - UnicodeString quoteLiteral; - fp->getQuoteLiteral(quoteLiteral, &i); - mmss += quoteLiteral; - } - } - else { - if (fp->isPatternSeparator(field) && gotMm) { - mmss+=field; - } - else { - UChar ch=field.charAt(0); - if (ch==LOW_M) { - gotMm=TRUE; - mmss+=field; - } - else { - if (ch==LOW_S) { - if (!gotMm) { - break; - } - mmss+= field; - addPattern(mmss, FALSE, conflictingString, status); - break; - } - else { - if (gotMm || ch==LOW_Z || ch==CAP_Z || ch==LOW_V || ch==CAP_V) { - break; - } - } - } - } - } - } -} - -#define ULOC_LOCALE_IDENTIFIER_CAPACITY (ULOC_FULLNAME_CAPACITY + 1 + ULOC_KEYWORD_AND_VALUES_CAPACITY) - -static const UChar hourFormatChars[] = { CAP_H, LOW_H, CAP_K, LOW_K, 0 }; // HhKk, the hour format characters - -void -DateTimePatternGenerator::getCalendarTypeToUse(const Locale& locale, CharString& destination, UErrorCode& err) { - destination.clear().append(DT_DateTimeGregorianTag, -1, err); // initial default - if ( U_SUCCESS(err) ) { - char localeWithCalendarKey[ULOC_LOCALE_IDENTIFIER_CAPACITY]; - // obtain a locale that always has the calendar key value that should be used - ures_getFunctionalEquivalent( - localeWithCalendarKey, - ULOC_LOCALE_IDENTIFIER_CAPACITY, - nullptr, - "calendar", - "calendar", - locale.getName(), - nullptr, - FALSE, - &err); - if (U_FAILURE(err)) { return; } - localeWithCalendarKey[ULOC_LOCALE_IDENTIFIER_CAPACITY-1] = 0; // ensure null termination - // now get the calendar key value from that locale - char calendarType[ULOC_KEYWORDS_CAPACITY]; - int32_t calendarTypeLen = uloc_getKeywordValue( - localeWithCalendarKey, - "calendar", - calendarType, - ULOC_KEYWORDS_CAPACITY, - &err); - if (U_FAILURE(err)) { return; } - if (calendarTypeLen < ULOC_KEYWORDS_CAPACITY) { - destination.clear().append(calendarType, -1, err); - if (U_FAILURE(err)) { return; } - } - err = U_ZERO_ERROR; - } -} - -void -DateTimePatternGenerator::consumeShortTimePattern(const UnicodeString& shortTimePattern, - UErrorCode& status) { - if (U_FAILURE(status)) { return; } - // set fDefaultHourFormatChar to the hour format character from this pattern - int32_t tfIdx, tfLen = shortTimePattern.length(); - UBool ignoreChars = FALSE; - for (tfIdx = 0; tfIdx < tfLen; tfIdx++) { - UChar tfChar = shortTimePattern.charAt(tfIdx); - if ( tfChar == SINGLE_QUOTE ) { - ignoreChars = !ignoreChars; // toggle (handle quoted literals & '' for single quote) - } else if ( !ignoreChars && u_strchr(hourFormatChars, tfChar) != nullptr ) { - fDefaultHourFormatChar = tfChar; - break; - } - } - - // HACK for hh:ss - hackTimes(shortTimePattern, status); -} - -struct DateTimePatternGenerator::AppendItemFormatsSink : public ResourceSink { - - // Destination for data, modified via setters. - DateTimePatternGenerator& dtpg; - - AppendItemFormatsSink(DateTimePatternGenerator& _dtpg) : dtpg(_dtpg) {} - virtual ~AppendItemFormatsSink(); - - virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/, - UErrorCode &errorCode) { - ResourceTable itemsTable = value.getTable(errorCode); - if (U_FAILURE(errorCode)) { return; } - for (int32_t i = 0; itemsTable.getKeyAndValue(i, key, value); ++i) { - UDateTimePatternField field = dtpg.getAppendFormatNumber(key); - if (field == UDATPG_FIELD_COUNT) { continue; } - const UnicodeString& valueStr = value.getUnicodeString(errorCode); - if (dtpg.getAppendItemFormat(field).isEmpty() && !valueStr.isEmpty()) { - dtpg.setAppendItemFormat(field, valueStr); - } - } - } - - void fillInMissing() { - UnicodeString defaultItemFormat(TRUE, UDATPG_ItemFormat, UPRV_LENGTHOF(UDATPG_ItemFormat)-1); // Read-only alias. - for (int32_t i = 0; i < UDATPG_FIELD_COUNT; i++) { - UDateTimePatternField field = (UDateTimePatternField)i; - if (dtpg.getAppendItemFormat(field).isEmpty()) { - dtpg.setAppendItemFormat(field, defaultItemFormat); - } - } - } -}; - -struct DateTimePatternGenerator::AppendItemNamesSink : public ResourceSink { - - // Destination for data, modified via setters. - DateTimePatternGenerator& dtpg; - - AppendItemNamesSink(DateTimePatternGenerator& _dtpg) : dtpg(_dtpg) {} - virtual ~AppendItemNamesSink(); - - virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/, - UErrorCode &errorCode) { - ResourceTable itemsTable = value.getTable(errorCode); - if (U_FAILURE(errorCode)) { return; } - for (int32_t i = 0; itemsTable.getKeyAndValue(i, key, value); ++i) { - UDateTimePGDisplayWidth width; - UDateTimePatternField field = dtpg.getFieldAndWidthIndices(key, &width); - if (field == UDATPG_FIELD_COUNT) { continue; } - ResourceTable detailsTable = value.getTable(errorCode); - if (U_FAILURE(errorCode)) { return; } - for (int32_t j = 0; detailsTable.getKeyAndValue(j, key, value); ++j) { - if (uprv_strcmp(key, "dn") != 0) { continue; } - const UnicodeString& valueStr = value.getUnicodeString(errorCode); - if (dtpg.getFieldDisplayName(field,width).isEmpty() && !valueStr.isEmpty()) { - dtpg.setFieldDisplayName(field,width,valueStr); - } - break; - } - } - } - - void fillInMissing() { - for (int32_t i = 0; i < UDATPG_FIELD_COUNT; i++) { - UnicodeString& valueStr = dtpg.getMutableFieldDisplayName((UDateTimePatternField)i, UDATPG_WIDE); - if (valueStr.isEmpty()) { - valueStr = CAP_F; - U_ASSERT(i < 20); - if (i < 10) { - // F0, F1, ..., F9 - valueStr += (UChar)(i+0x30); - } else { - // F10, F11, ... - valueStr += (UChar)0x31; - valueStr += (UChar)(i-10 + 0x30); - } - // NUL-terminate for the C API. - valueStr.getTerminatedBuffer(); - } - for (int32_t j = 1; j < UDATPG_WIDTH_COUNT; j++) { - UnicodeString& valueStr2 = dtpg.getMutableFieldDisplayName((UDateTimePatternField)i, (UDateTimePGDisplayWidth)j); - if (valueStr2.isEmpty()) { - valueStr2 = dtpg.getFieldDisplayName((UDateTimePatternField)i, (UDateTimePGDisplayWidth)(j-1)); - } - } - } - } -}; - -struct DateTimePatternGenerator::AvailableFormatsSink : public ResourceSink { - - // Destination for data, modified via setters. - DateTimePatternGenerator& dtpg; - - // Temporary variable, required for calling addPatternWithSkeleton. - UnicodeString conflictingPattern; - - AvailableFormatsSink(DateTimePatternGenerator& _dtpg) : dtpg(_dtpg) {} - virtual ~AvailableFormatsSink(); - - virtual void put(const char *key, ResourceValue &value, UBool isRoot, - UErrorCode &errorCode) { - ResourceTable itemsTable = value.getTable(errorCode); - if (U_FAILURE(errorCode)) { return; } - for (int32_t i = 0; itemsTable.getKeyAndValue(i, key, value); ++i) { - const UnicodeString formatKey(key, -1, US_INV); - if (!dtpg.isAvailableFormatSet(formatKey) ) { - dtpg.setAvailableFormat(formatKey, errorCode); - // Add pattern with its associated skeleton. Override any duplicate - // derived from std patterns, but not a previous availableFormats entry: - const UnicodeString& formatValue = value.getUnicodeString(errorCode); - conflictingPattern.remove(); - dtpg.addPatternWithSkeleton(formatValue, &formatKey, !isRoot, conflictingPattern, errorCode); - } - } - } -}; - -// Virtual destructors must be defined out of line. -DateTimePatternGenerator::AppendItemFormatsSink::~AppendItemFormatsSink() {} -DateTimePatternGenerator::AppendItemNamesSink::~AppendItemNamesSink() {} -DateTimePatternGenerator::AvailableFormatsSink::~AvailableFormatsSink() {} - -void -DateTimePatternGenerator::addCLDRData(const Locale& locale, UErrorCode& errorCode) { - if (U_FAILURE(errorCode)) { return; } - UnicodeString rbPattern, value, field; - CharString path; - - LocalUResourceBundlePointer rb(ures_open(nullptr, locale.getName(), &errorCode)); - if (U_FAILURE(errorCode)) { return; } - - CharString calendarTypeToUse; // to be filled in with the type to use, if all goes well - getCalendarTypeToUse(locale, calendarTypeToUse, errorCode); - if (U_FAILURE(errorCode)) { return; } - - // Local err to ignore resource not found exceptions - UErrorCode err = U_ZERO_ERROR; - - // Load append item formats. - AppendItemFormatsSink appendItemFormatsSink(*this); - path.clear() - .append(DT_DateTimeCalendarTag, errorCode) - .append('/', errorCode) - .append(calendarTypeToUse, errorCode) - .append('/', errorCode) - .append(DT_DateTimeAppendItemsTag, errorCode); // i.e., calendar/xxx/appendItems - if (U_FAILURE(errorCode)) { return; } - ures_getAllItemsWithFallback(rb.getAlias(), path.data(), appendItemFormatsSink, err); - appendItemFormatsSink.fillInMissing(); - - // Load CLDR item names. - err = U_ZERO_ERROR; - AppendItemNamesSink appendItemNamesSink(*this); - ures_getAllItemsWithFallback(rb.getAlias(), DT_DateTimeFieldsTag, appendItemNamesSink, err); - appendItemNamesSink.fillInMissing(); - - // Load the available formats from CLDR. - err = U_ZERO_ERROR; - initHashtable(errorCode); - if (U_FAILURE(errorCode)) { return; } - AvailableFormatsSink availableFormatsSink(*this); - path.clear() - .append(DT_DateTimeCalendarTag, errorCode) - .append('/', errorCode) - .append(calendarTypeToUse, errorCode) - .append('/', errorCode) - .append(DT_DateTimeAvailableFormatsTag, errorCode); // i.e., calendar/xxx/availableFormats - if (U_FAILURE(errorCode)) { return; } - ures_getAllItemsWithFallback(rb.getAlias(), path.data(), availableFormatsSink, err); -} - -void -DateTimePatternGenerator::initHashtable(UErrorCode& err) { - if (U_FAILURE(err)) { return; } - if (fAvailableFormatKeyHash!=nullptr) { - return; - } - LocalPointer<Hashtable> hash(new Hashtable(FALSE, err), err); - if (U_SUCCESS(err)) { - fAvailableFormatKeyHash = hash.orphan(); - } -} - -void -DateTimePatternGenerator::setAppendItemFormat(UDateTimePatternField field, const UnicodeString& value) { - appendItemFormats[field] = value; - // NUL-terminate for the C API. - appendItemFormats[field].getTerminatedBuffer(); -} - -const UnicodeString& -DateTimePatternGenerator::getAppendItemFormat(UDateTimePatternField field) const { - return appendItemFormats[field]; -} - -void -DateTimePatternGenerator::setAppendItemName(UDateTimePatternField field, const UnicodeString& value) { - setFieldDisplayName(field, UDATPG_WIDTH_APPENDITEM, value); -} - -const UnicodeString& -DateTimePatternGenerator::getAppendItemName(UDateTimePatternField field) const { - return fieldDisplayNames[field][UDATPG_WIDTH_APPENDITEM]; -} - -void -DateTimePatternGenerator::setFieldDisplayName(UDateTimePatternField field, UDateTimePGDisplayWidth width, const UnicodeString& value) { - fieldDisplayNames[field][width] = value; - // NUL-terminate for the C API. - fieldDisplayNames[field][width].getTerminatedBuffer(); -} - -UnicodeString -DateTimePatternGenerator::getFieldDisplayName(UDateTimePatternField field, UDateTimePGDisplayWidth width) const { - return fieldDisplayNames[field][width]; -} - -UnicodeString& -DateTimePatternGenerator::getMutableFieldDisplayName(UDateTimePatternField field, UDateTimePGDisplayWidth width) { - return fieldDisplayNames[field][width]; -} - -void -DateTimePatternGenerator::getAppendName(UDateTimePatternField field, UnicodeString& value) { - value = SINGLE_QUOTE; - value += fieldDisplayNames[field][UDATPG_WIDTH_APPENDITEM]; - value += SINGLE_QUOTE; -} - -UnicodeString -DateTimePatternGenerator::getBestPattern(const UnicodeString& patternForm, UErrorCode& status) { - return getBestPattern(patternForm, UDATPG_MATCH_NO_OPTIONS, status); -} - -UnicodeString -DateTimePatternGenerator::getBestPattern(const UnicodeString& patternForm, UDateTimePatternMatchOptions options, UErrorCode& status) { - if (U_FAILURE(status)) { - return UnicodeString(); - } - if (U_FAILURE(internalErrorCode)) { - status = internalErrorCode; - return UnicodeString(); - } - const UnicodeString *bestPattern = nullptr; - UnicodeString dtFormat; - UnicodeString resultPattern; - int32_t flags = kDTPGNoFlags; - - int32_t dateMask=(1<<UDATPG_DAYPERIOD_FIELD) - 1; - int32_t timeMask=(1<<UDATPG_FIELD_COUNT) - 1 - dateMask; - - // Replace hour metacharacters 'j', 'C' and 'J', set flags as necessary - UnicodeString patternFormMapped = mapSkeletonMetacharacters(patternForm, &flags, status); - if (U_FAILURE(status)) { - return UnicodeString(); - } - - resultPattern.remove(); - dtMatcher->set(patternFormMapped, fp); - const PtnSkeleton* specifiedSkeleton = nullptr; - bestPattern=getBestRaw(*dtMatcher, -1, distanceInfo, status, &specifiedSkeleton); - if (U_FAILURE(status)) { - return UnicodeString(); - } - - if ( distanceInfo->missingFieldMask==0 && distanceInfo->extraFieldMask==0 ) { - resultPattern = adjustFieldTypes(*bestPattern, specifiedSkeleton, flags, options); - - return resultPattern; - } - int32_t neededFields = dtMatcher->getFieldMask(); - UnicodeString datePattern=getBestAppending(neededFields & dateMask, flags, status, options); - UnicodeString timePattern=getBestAppending(neededFields & timeMask, flags, status, options); - if (U_FAILURE(status)) { - return UnicodeString(); - } - if (datePattern.length()==0) { - if (timePattern.length()==0) { - resultPattern.remove(); - } - else { - return timePattern; - } - } - if (timePattern.length()==0) { - return datePattern; - } - resultPattern.remove(); - status = U_ZERO_ERROR; - dtFormat=getDateTimeFormat(); - SimpleFormatter(dtFormat, 2, 2, status).format(timePattern, datePattern, resultPattern, status); - return resultPattern; -} - -/* - * Map a skeleton that may have metacharacters jJC to one without, by replacing - * the metacharacters with locale-appropriate fields of h/H/k/K and of a/b/B - * (depends on fDefaultHourFormatChar and fAllowedHourFormats being set, which in - * turn depends on initData having been run). This method also updates the flags - * as necessary. Returns the updated skeleton. - */ -UnicodeString -DateTimePatternGenerator::mapSkeletonMetacharacters(const UnicodeString& patternForm, int32_t* flags, UErrorCode& status) { - UnicodeString patternFormMapped; - patternFormMapped.remove(); - UBool inQuoted = FALSE; - int32_t patPos, patLen = patternForm.length(); - for (patPos = 0; patPos < patLen; patPos++) { - UChar patChr = patternForm.charAt(patPos); - if (patChr == SINGLE_QUOTE) { - inQuoted = !inQuoted; - } else if (!inQuoted) { - // Handle special mappings for 'j' and 'C' in which fields lengths - // 1,3,5 => hour field length 1 - // 2,4,6 => hour field length 2 - // 1,2 => abbreviated dayPeriod (field length 1..3) - // 3,4 => long dayPeriod (field length 4) - // 5,6 => narrow dayPeriod (field length 5) - if (patChr == LOW_J || patChr == CAP_C) { - int32_t extraLen = 0; // 1 less than total field length - while (patPos+1 < patLen && patternForm.charAt(patPos+1)==patChr) { - extraLen++; - patPos++; - } - int32_t hourLen = 1 + (extraLen & 1); - int32_t dayPeriodLen = (extraLen < 2)? 1: 3 + (extraLen >> 1); - UChar hourChar = LOW_H; - UChar dayPeriodChar = LOW_A; - if (patChr == LOW_J) { - hourChar = fDefaultHourFormatChar; - } else { - AllowedHourFormat preferred; - if (fAllowedHourFormats[0] != ALLOWED_HOUR_FORMAT_UNKNOWN) { - preferred = (AllowedHourFormat)fAllowedHourFormats[0]; - } else { - status = U_INVALID_FORMAT_ERROR; - return UnicodeString(); - } - if (preferred == ALLOWED_HOUR_FORMAT_H || preferred == ALLOWED_HOUR_FORMAT_HB || preferred == ALLOWED_HOUR_FORMAT_Hb) { - hourChar = CAP_H; - } - // in #13183 just add b/B to skeleton, no longer need to set special flags - if (preferred == ALLOWED_HOUR_FORMAT_HB || preferred == ALLOWED_HOUR_FORMAT_hB) { - dayPeriodChar = CAP_B; - } else if (preferred == ALLOWED_HOUR_FORMAT_Hb || preferred == ALLOWED_HOUR_FORMAT_hb) { - dayPeriodChar = LOW_B; - } - } - if (hourChar==CAP_H || hourChar==LOW_K) { - dayPeriodLen = 0; - } - while (dayPeriodLen-- > 0) { - patternFormMapped.append(dayPeriodChar); - } - while (hourLen-- > 0) { - patternFormMapped.append(hourChar); - } - } else if (patChr == CAP_J) { - // Get pattern for skeleton with H, then replace H or k - // with fDefaultHourFormatChar (if different) - patternFormMapped.append(CAP_H); - *flags |= kDTPGSkeletonUsesCapJ; - } else { - patternFormMapped.append(patChr); - } - } - } - return patternFormMapped; -} - -UnicodeString -DateTimePatternGenerator::replaceFieldTypes(const UnicodeString& pattern, - const UnicodeString& skeleton, - UErrorCode& status) { - return replaceFieldTypes(pattern, skeleton, UDATPG_MATCH_NO_OPTIONS, status); -} - -UnicodeString -DateTimePatternGenerator::replaceFieldTypes(const UnicodeString& pattern, - const UnicodeString& skeleton, - UDateTimePatternMatchOptions options, - UErrorCode& status) { - if (U_FAILURE(status)) { - return UnicodeString(); - } - if (U_FAILURE(internalErrorCode)) { - status = internalErrorCode; - return UnicodeString(); - } - dtMatcher->set(skeleton, fp); - UnicodeString result = adjustFieldTypes(pattern, nullptr, kDTPGNoFlags, options); - return result; -} - -void -DateTimePatternGenerator::setDecimal(const UnicodeString& newDecimal) { - this->decimal = newDecimal; - // NUL-terminate for the C API. - this->decimal.getTerminatedBuffer(); -} - -const UnicodeString& -DateTimePatternGenerator::getDecimal() const { - return decimal; -} - -void -DateTimePatternGenerator::addCanonicalItems(UErrorCode& status) { - if (U_FAILURE(status)) { return; } - UnicodeString conflictingPattern; - - for (int32_t i=0; i<UDATPG_FIELD_COUNT; i++) { - if (Canonical_Items[i] > 0) { - addPattern(UnicodeString(Canonical_Items[i]), FALSE, conflictingPattern, status); - } - if (U_FAILURE(status)) { return; } - } -} - -void -DateTimePatternGenerator::setDateTimeFormat(const UnicodeString& dtFormat) { - dateTimeFormat = dtFormat; - // NUL-terminate for the C API. - dateTimeFormat.getTerminatedBuffer(); -} - -const UnicodeString& -DateTimePatternGenerator::getDateTimeFormat() const { - return dateTimeFormat; -} - -void -DateTimePatternGenerator::setDateTimeFromCalendar(const Locale& locale, UErrorCode& status) { - if (U_FAILURE(status)) { return; } - - const UChar *resStr; - int32_t resStrLen = 0; - - LocalPointer<Calendar> fCalendar(Calendar::createInstance(locale, status), status); - if (U_FAILURE(status)) { return; } - - LocalUResourceBundlePointer calData(ures_open(nullptr, locale.getBaseName(), &status)); - if (U_FAILURE(status)) { return; } - ures_getByKey(calData.getAlias(), DT_DateTimeCalendarTag, calData.getAlias(), &status); - if (U_FAILURE(status)) { return; } - - LocalUResourceBundlePointer dateTimePatterns; - if (fCalendar->getType() != nullptr && *fCalendar->getType() != '\0' - && uprv_strcmp(fCalendar->getType(), DT_DateTimeGregorianTag) != 0) { - dateTimePatterns.adoptInstead(ures_getByKeyWithFallback(calData.getAlias(), fCalendar->getType(), - nullptr, &status)); - ures_getByKeyWithFallback(dateTimePatterns.getAlias(), DT_DateTimePatternsTag, - dateTimePatterns.getAlias(), &status); - } - - if (dateTimePatterns.isNull() || status == U_MISSING_RESOURCE_ERROR) { - status = U_ZERO_ERROR; - dateTimePatterns.adoptInstead(ures_getByKeyWithFallback(calData.getAlias(), DT_DateTimeGregorianTag, - dateTimePatterns.orphan(), &status)); - ures_getByKeyWithFallback(dateTimePatterns.getAlias(), DT_DateTimePatternsTag, - dateTimePatterns.getAlias(), &status); - } - if (U_FAILURE(status)) { return; } - - if (ures_getSize(dateTimePatterns.getAlias()) <= DateFormat::kDateTime) - { - status = U_INVALID_FORMAT_ERROR; - return; - } - resStr = ures_getStringByIndex(dateTimePatterns.getAlias(), (int32_t)DateFormat::kDateTime, &resStrLen, &status); - setDateTimeFormat(UnicodeString(TRUE, resStr, resStrLen)); -} - -void -DateTimePatternGenerator::setDecimalSymbols(const Locale& locale, UErrorCode& status) { - DecimalFormatSymbols dfs = DecimalFormatSymbols(locale, status); - if(U_SUCCESS(status)) { - decimal = dfs.getSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol); - // NUL-terminate for the C API. - decimal.getTerminatedBuffer(); - } -} - -UDateTimePatternConflict -DateTimePatternGenerator::addPattern( - const UnicodeString& pattern, - UBool override, - UnicodeString &conflictingPattern, - UErrorCode& status) -{ - if (U_FAILURE(internalErrorCode)) { - status = internalErrorCode; - return UDATPG_NO_CONFLICT; - } - - return addPatternWithSkeleton(pattern, nullptr, override, conflictingPattern, status); -} - -// For DateTimePatternGenerator::addPatternWithSkeleton - -// If skeletonToUse is specified, then an availableFormats entry is being added. In this case: -// 1. We pass that skeleton to matcher.set instead of having it derive a skeleton from the pattern. -// 2. If the new entry's skeleton or basePattern does match an existing entry but that entry also had a skeleton specified -// (i.e. it was also from availableFormats), then the new entry does not override it regardless of the value of the override -// parameter. This prevents later availableFormats entries from a parent locale overriding earlier ones from the actual -// specified locale. However, availableFormats entries *should* override entries with matching skeleton whose skeleton was -// derived (i.e. entries derived from the standard date/time patters for the specified locale). -// 3. When adding the pattern (patternMap->add), we set a new boolean to indicate that the added entry had a -// specified skeleton (which sets a new field in the PtnElem in the PatternMap). -UDateTimePatternConflict -DateTimePatternGenerator::addPatternWithSkeleton( - const UnicodeString& pattern, - const UnicodeString* skeletonToUse, - UBool override, - UnicodeString& conflictingPattern, - UErrorCode& status) -{ - if (U_FAILURE(internalErrorCode)) { - status = internalErrorCode; - return UDATPG_NO_CONFLICT; - } - - UnicodeString basePattern; - PtnSkeleton skeleton; - UDateTimePatternConflict conflictingStatus = UDATPG_NO_CONFLICT; - - DateTimeMatcher matcher; - if ( skeletonToUse == nullptr ) { - matcher.set(pattern, fp, skeleton); - matcher.getBasePattern(basePattern); - } else { - matcher.set(*skeletonToUse, fp, skeleton); // no longer trims skeleton fields to max len 3, per #7930 - matcher.getBasePattern(basePattern); // or perhaps instead: basePattern = *skeletonToUse; - } - // We only care about base conflicts - and replacing the pattern associated with a base - if: - // 1. the conflicting previous base pattern did *not* have an explicit skeleton; in that case the previous - // base + pattern combination was derived from either (a) a canonical item, (b) a standard format, or - // (c) a pattern specified programmatically with a previous call to addPattern (which would only happen - // if we are getting here from a subsequent call to addPattern). - // 2. a skeleton is specified for the current pattern, but override=false; in that case we are checking - // availableFormats items from root, which should not override any previous entry with the same base. - UBool entryHadSpecifiedSkeleton; - const UnicodeString *duplicatePattern = patternMap->getPatternFromBasePattern(basePattern, entryHadSpecifiedSkeleton); - if (duplicatePattern != nullptr && (!entryHadSpecifiedSkeleton || (skeletonToUse != nullptr && !override))) { - conflictingStatus = UDATPG_BASE_CONFLICT; - conflictingPattern = *duplicatePattern; - if (!override) { - return conflictingStatus; - } - } - // The only time we get here with override=true and skeletonToUse!=null is when adding availableFormats - // items from CLDR data. In that case, we don't want an item from a parent locale to replace an item with - // same skeleton from the specified locale, so skip the current item if skeletonWasSpecified is true for - // the previously-specified conflicting item. - const PtnSkeleton* entrySpecifiedSkeleton = nullptr; - duplicatePattern = patternMap->getPatternFromSkeleton(skeleton, &entrySpecifiedSkeleton); - if (duplicatePattern != nullptr ) { - conflictingStatus = UDATPG_CONFLICT; - conflictingPattern = *duplicatePattern; - if (!override || (skeletonToUse != nullptr && entrySpecifiedSkeleton != nullptr)) { - return conflictingStatus; - } - } - patternMap->add(basePattern, skeleton, pattern, skeletonToUse != nullptr, status); - if(U_FAILURE(status)) { - return conflictingStatus; - } - - return UDATPG_NO_CONFLICT; -} - - -UDateTimePatternField -DateTimePatternGenerator::getAppendFormatNumber(const char* field) const { - for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i ) { - if (uprv_strcmp(CLDR_FIELD_APPEND[i], field)==0) { - return (UDateTimePatternField)i; - } - } - return UDATPG_FIELD_COUNT; -} - -UDateTimePatternField -DateTimePatternGenerator::getFieldAndWidthIndices(const char* key, UDateTimePGDisplayWidth* widthP) const { - char cldrFieldKey[UDATPG_FIELD_KEY_MAX + 1]; - uprv_strncpy(cldrFieldKey, key, UDATPG_FIELD_KEY_MAX); - cldrFieldKey[UDATPG_FIELD_KEY_MAX]=0; // ensure termination - *widthP = UDATPG_WIDE; - char* hyphenPtr = uprv_strchr(cldrFieldKey, '-'); - if (hyphenPtr) { - for (int32_t i=UDATPG_WIDTH_COUNT-1; i>0; --i) { - if (uprv_strcmp(CLDR_FIELD_WIDTH[i], hyphenPtr)==0) { - *widthP=(UDateTimePGDisplayWidth)i; - break; - } - } - *hyphenPtr = 0; // now delete width portion of key - } - for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i ) { - if (uprv_strcmp(CLDR_FIELD_NAME[i],cldrFieldKey)==0) { - return (UDateTimePatternField)i; - } - } - return UDATPG_FIELD_COUNT; -} - -const UnicodeString* -DateTimePatternGenerator::getBestRaw(DateTimeMatcher& source, - int32_t includeMask, - DistanceInfo* missingFields, - UErrorCode &status, - const PtnSkeleton** specifiedSkeletonPtr) { - int32_t bestDistance = 0x7fffffff; - DistanceInfo tempInfo; - const UnicodeString *bestPattern=nullptr; - const PtnSkeleton* specifiedSkeleton=nullptr; - - PatternMapIterator it(status); - if (U_FAILURE(status)) { return nullptr; } - - for (it.set(*patternMap); it.hasNext(); ) { - DateTimeMatcher trial = it.next(); - if (trial.equals(skipMatcher)) { - continue; - } - int32_t distance=source.getDistance(trial, includeMask, tempInfo); - if (distance<bestDistance) { - bestDistance=distance; - bestPattern=patternMap->getPatternFromSkeleton(*trial.getSkeletonPtr(), &specifiedSkeleton); - missingFields->setTo(tempInfo); - if (distance==0) { - break; - } - } - } - - // If the best raw match had a specified skeleton and that skeleton was requested by the caller, - // then return it too. This generally happens when the caller needs to pass that skeleton - // through to adjustFieldTypes so the latter can do a better job. - if (bestPattern && specifiedSkeletonPtr) { - *specifiedSkeletonPtr = specifiedSkeleton; - } - return bestPattern; -} - -UnicodeString -DateTimePatternGenerator::adjustFieldTypes(const UnicodeString& pattern, - const PtnSkeleton* specifiedSkeleton, - int32_t flags, - UDateTimePatternMatchOptions options) { - UnicodeString newPattern; - fp->set(pattern); - for (int32_t i=0; i < fp->itemNumber; i++) { - UnicodeString field = fp->items[i]; - if ( fp->isQuoteLiteral(field) ) { - - UnicodeString quoteLiteral; - fp->getQuoteLiteral(quoteLiteral, &i); - newPattern += quoteLiteral; - } - else { - if (fp->isPatternSeparator(field)) { - newPattern+=field; - continue; - } - int32_t canonicalIndex = fp->getCanonicalIndex(field); - if (canonicalIndex < 0) { - newPattern+=field; - continue; // don't adjust - } - const dtTypeElem *row = &dtTypes[canonicalIndex]; - int32_t typeValue = row->field; - - // handle day periods - with #13183, no longer need special handling here, integrated with normal types - - if ((flags & kDTPGFixFractionalSeconds) != 0 && typeValue == UDATPG_SECOND_FIELD) { - field += decimal; - dtMatcher->skeleton.original.appendFieldTo(UDATPG_FRACTIONAL_SECOND_FIELD, field); - } else if (dtMatcher->skeleton.type[typeValue]!=0) { - // Here: - // - "reqField" is the field from the originally requested skeleton, with length - // "reqFieldLen". - // - "field" is the field from the found pattern. - // - // The adjusted field should consist of characters from the originally requested - // skeleton, except in the case of UDATPG_HOUR_FIELD or UDATPG_MONTH_FIELD or - // UDATPG_WEEKDAY_FIELD or UDATPG_YEAR_FIELD, in which case it should consist - // of characters from the found pattern. - // - // The length of the adjusted field (adjFieldLen) should match that in the originally - // requested skeleton, except that in the following cases the length of the adjusted field - // should match that in the found pattern (i.e. the length of this pattern field should - // not be adjusted): - // 1. typeValue is UDATPG_HOUR_FIELD/MINUTE/SECOND and the corresponding bit in options is - // not set (ticket #7180). Note, we may want to implement a similar change for other - // numeric fields (MM, dd, etc.) so the default behavior is to get locale preference for - // field length, but options bits can be used to override this. - // 2. There is a specified skeleton for the found pattern and one of the following is true: - // a) The length of the field in the skeleton (skelFieldLen) is equal to reqFieldLen. - // b) The pattern field is numeric and the skeleton field is not, or vice versa. - - UChar reqFieldChar = dtMatcher->skeleton.original.getFieldChar(typeValue); - int32_t reqFieldLen = dtMatcher->skeleton.original.getFieldLength(typeValue); - if (reqFieldChar == CAP_E && reqFieldLen < 3) - reqFieldLen = 3; // 1-3 for E are equivalent to 3 for c,e - int32_t adjFieldLen = reqFieldLen; - if ( (typeValue==UDATPG_HOUR_FIELD && (options & UDATPG_MATCH_HOUR_FIELD_LENGTH)==0) || - (typeValue==UDATPG_MINUTE_FIELD && (options & UDATPG_MATCH_MINUTE_FIELD_LENGTH)==0) || - (typeValue==UDATPG_SECOND_FIELD && (options & UDATPG_MATCH_SECOND_FIELD_LENGTH)==0) ) { - adjFieldLen = field.length(); - } else if (specifiedSkeleton) { - int32_t skelFieldLen = specifiedSkeleton->original.getFieldLength(typeValue); - UBool patFieldIsNumeric = (row->type > 0); - UBool skelFieldIsNumeric = (specifiedSkeleton->type[typeValue] > 0); - if (skelFieldLen == reqFieldLen || (patFieldIsNumeric && !skelFieldIsNumeric) || (skelFieldIsNumeric && !patFieldIsNumeric)) { - // don't adjust the field length in the found pattern - adjFieldLen = field.length(); - } - } - UChar c = (typeValue!= UDATPG_HOUR_FIELD - && typeValue!= UDATPG_MONTH_FIELD - && typeValue!= UDATPG_WEEKDAY_FIELD - && (typeValue!= UDATPG_YEAR_FIELD || reqFieldChar==CAP_Y)) - ? reqFieldChar - : field.charAt(0); - if (typeValue == UDATPG_HOUR_FIELD && (flags & kDTPGSkeletonUsesCapJ) != 0) { - c = fDefaultHourFormatChar; - } - field.remove(); - for (int32_t j=adjFieldLen; j>0; --j) { - field += c; - } - } - newPattern+=field; - } - } - return newPattern; -} - -UnicodeString -DateTimePatternGenerator::getBestAppending(int32_t missingFields, int32_t flags, UErrorCode &status, UDateTimePatternMatchOptions options) { - if (U_FAILURE(status)) { - return UnicodeString(); - } - UnicodeString resultPattern, tempPattern; - const UnicodeString* tempPatternPtr; - int32_t lastMissingFieldMask=0; - if (missingFields!=0) { - resultPattern=UnicodeString(); - const PtnSkeleton* specifiedSkeleton=nullptr; - tempPatternPtr = getBestRaw(*dtMatcher, missingFields, distanceInfo, status, &specifiedSkeleton); - if (U_FAILURE(status)) { - return UnicodeString(); - } - tempPattern = *tempPatternPtr; - resultPattern = adjustFieldTypes(tempPattern, specifiedSkeleton, flags, options); - if ( distanceInfo->missingFieldMask==0 ) { - return resultPattern; - } - while (distanceInfo->missingFieldMask!=0) { // precondition: EVERY single field must work! - if ( lastMissingFieldMask == distanceInfo->missingFieldMask ) { - break; // cannot find the proper missing field - } - if (((distanceInfo->missingFieldMask & UDATPG_SECOND_AND_FRACTIONAL_MASK)==UDATPG_FRACTIONAL_MASK) && - ((missingFields & UDATPG_SECOND_AND_FRACTIONAL_MASK) == UDATPG_SECOND_AND_FRACTIONAL_MASK)) { - resultPattern = adjustFieldTypes(resultPattern, specifiedSkeleton, flags | kDTPGFixFractionalSeconds, options); - distanceInfo->missingFieldMask &= ~UDATPG_FRACTIONAL_MASK; - continue; - } - int32_t startingMask = distanceInfo->missingFieldMask; - tempPatternPtr = getBestRaw(*dtMatcher, distanceInfo->missingFieldMask, distanceInfo, status, &specifiedSkeleton); - if (U_FAILURE(status)) { - return UnicodeString(); - } - tempPattern = *tempPatternPtr; - tempPattern = adjustFieldTypes(tempPattern, specifiedSkeleton, flags, options); - int32_t foundMask=startingMask& ~distanceInfo->missingFieldMask; - int32_t topField=getTopBitNumber(foundMask); - - if (appendItemFormats[topField].length() != 0) { - UnicodeString appendName; - getAppendName((UDateTimePatternField)topField, appendName); - const UnicodeString *values[3] = { - &resultPattern, - &tempPattern, - &appendName - }; - SimpleFormatter(appendItemFormats[topField], 2, 3, status). - formatAndReplace(values, 3, resultPattern, nullptr, 0, status); - } - lastMissingFieldMask = distanceInfo->missingFieldMask; - } - } - return resultPattern; -} - -int32_t -DateTimePatternGenerator::getTopBitNumber(int32_t foundMask) const { - if ( foundMask==0 ) { - return 0; - } - int32_t i=0; - while (foundMask!=0) { - foundMask >>=1; - ++i; - } - if (i-1 >UDATPG_ZONE_FIELD) { - return UDATPG_ZONE_FIELD; - } - else - return i-1; -} - -void -DateTimePatternGenerator::setAvailableFormat(const UnicodeString &key, UErrorCode& err) -{ - fAvailableFormatKeyHash->puti(key, 1, err); -} - -UBool -DateTimePatternGenerator::isAvailableFormatSet(const UnicodeString &key) const { - return (UBool)(fAvailableFormatKeyHash->geti(key) == 1); -} - -void -DateTimePatternGenerator::copyHashtable(Hashtable *other, UErrorCode &status) { - if (other == nullptr || U_FAILURE(status)) { - return; - } - if (fAvailableFormatKeyHash != nullptr) { - delete fAvailableFormatKeyHash; - fAvailableFormatKeyHash = nullptr; - } - initHashtable(status); - if(U_FAILURE(status)){ - return; - } - int32_t pos = UHASH_FIRST; - const UHashElement* elem = nullptr; - // walk through the hash table and create a deep clone - while((elem = other->nextElement(pos))!= nullptr){ - const UHashTok otherKeyTok = elem->key; - UnicodeString* otherKey = (UnicodeString*)otherKeyTok.pointer; - fAvailableFormatKeyHash->puti(*otherKey, 1, status); - if(U_FAILURE(status)){ - return; - } - } -} - -StringEnumeration* -DateTimePatternGenerator::getSkeletons(UErrorCode& status) const { - if (U_FAILURE(status)) { - return nullptr; - } - if (U_FAILURE(internalErrorCode)) { - status = internalErrorCode; - return nullptr; - } - LocalPointer<StringEnumeration> skeletonEnumerator( - new DTSkeletonEnumeration(*patternMap, DT_SKELETON, status), status); - - return U_SUCCESS(status) ? skeletonEnumerator.orphan() : nullptr; -} - -const UnicodeString& -DateTimePatternGenerator::getPatternForSkeleton(const UnicodeString& skeleton) const { - PtnElem *curElem; - - if (skeleton.length() ==0) { - return emptyString; - } - curElem = patternMap->getHeader(skeleton.charAt(0)); - while ( curElem != nullptr ) { - if ( curElem->skeleton->getSkeleton()==skeleton ) { - return curElem->pattern; - } - curElem = curElem->next.getAlias(); - } - return emptyString; -} - -StringEnumeration* -DateTimePatternGenerator::getBaseSkeletons(UErrorCode& status) const { - if (U_FAILURE(status)) { - return nullptr; - } - if (U_FAILURE(internalErrorCode)) { - status = internalErrorCode; - return nullptr; - } - LocalPointer<StringEnumeration> baseSkeletonEnumerator( - new DTSkeletonEnumeration(*patternMap, DT_BASESKELETON, status), status); - - return U_SUCCESS(status) ? baseSkeletonEnumerator.orphan() : nullptr; -} - -StringEnumeration* -DateTimePatternGenerator::getRedundants(UErrorCode& status) { - if (U_FAILURE(status)) { return nullptr; } - if (U_FAILURE(internalErrorCode)) { - status = internalErrorCode; - return nullptr; - } - LocalPointer<StringEnumeration> output(new DTRedundantEnumeration(), status); - if (U_FAILURE(status)) { return nullptr; } - const UnicodeString *pattern; - PatternMapIterator it(status); - if (U_FAILURE(status)) { return nullptr; } - - for (it.set(*patternMap); it.hasNext(); ) { - DateTimeMatcher current = it.next(); - pattern = patternMap->getPatternFromSkeleton(*(it.getSkeleton())); - if ( isCanonicalItem(*pattern) ) { - continue; - } - if ( skipMatcher == nullptr ) { - skipMatcher = new DateTimeMatcher(current); - if (skipMatcher == nullptr) { - status = U_MEMORY_ALLOCATION_ERROR; - return nullptr; - } - } - else { - *skipMatcher = current; - } - UnicodeString trial = getBestPattern(current.getPattern(), status); - if (U_FAILURE(status)) { return nullptr; } - if (trial == *pattern) { - ((DTRedundantEnumeration *)output.getAlias())->add(*pattern, status); - if (U_FAILURE(status)) { return nullptr; } - } - if (current.equals(skipMatcher)) { - continue; - } - } - return output.orphan(); -} - -UBool -DateTimePatternGenerator::isCanonicalItem(const UnicodeString& item) const { - if ( item.length() != 1 ) { - return FALSE; - } - for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { - if (item.charAt(0)==Canonical_Items[i]) { - return TRUE; - } - } - return FALSE; -} - - -DateTimePatternGenerator* -DateTimePatternGenerator::clone() const { - return new DateTimePatternGenerator(*this); -} - -PatternMap::PatternMap() { - for (int32_t i=0; i < MAX_PATTERN_ENTRIES; ++i ) { - boot[i] = nullptr; - } - isDupAllowed = TRUE; -} - -void -PatternMap::copyFrom(const PatternMap& other, UErrorCode& status) { - if (U_FAILURE(status)) { - return; - } - this->isDupAllowed = other.isDupAllowed; - for (int32_t bootIndex = 0; bootIndex < MAX_PATTERN_ENTRIES; ++bootIndex) { - PtnElem *curElem, *otherElem, *prevElem=nullptr; - otherElem = other.boot[bootIndex]; - while (otherElem != nullptr) { - LocalPointer<PtnElem> newElem(new PtnElem(otherElem->basePattern, otherElem->pattern), status); - if (U_FAILURE(status)) { - return; // out of memory - } - newElem->skeleton.adoptInsteadAndCheckErrorCode(new PtnSkeleton(*(otherElem->skeleton)), status); - if (U_FAILURE(status)) { - return; // out of memory - } - newElem->skeletonWasSpecified = otherElem->skeletonWasSpecified; - - // Release ownership from the LocalPointer of the PtnElem object. - // The PtnElem will now be owned by either the boot (for the first entry in the linked-list) - // or owned by the previous PtnElem object in the linked-list. - curElem = newElem.orphan(); - - if (this->boot[bootIndex] == nullptr) { - this->boot[bootIndex] = curElem; - } else { - if (prevElem != nullptr) { - prevElem->next.adoptInstead(curElem); - } else { - U_ASSERT(false); - } - } - prevElem = curElem; - otherElem = otherElem->next.getAlias(); - } - - } -} - -PtnElem* -PatternMap::getHeader(UChar baseChar) const { - PtnElem* curElem; - - if ( (baseChar >= CAP_A) && (baseChar <= CAP_Z) ) { - curElem = boot[baseChar-CAP_A]; - } - else { - if ( (baseChar >=LOW_A) && (baseChar <= LOW_Z) ) { - curElem = boot[26+baseChar-LOW_A]; - } - else { - return nullptr; - } - } - return curElem; -} - -PatternMap::~PatternMap() { - for (int32_t i=0; i < MAX_PATTERN_ENTRIES; ++i ) { - if (boot[i] != nullptr ) { - delete boot[i]; - boot[i] = nullptr; - } - } -} // PatternMap destructor - -void -PatternMap::add(const UnicodeString& basePattern, - const PtnSkeleton& skeleton, - const UnicodeString& value,// mapped pattern value - UBool skeletonWasSpecified, - UErrorCode &status) { - UChar baseChar = basePattern.charAt(0); - PtnElem *curElem, *baseElem; - status = U_ZERO_ERROR; - - // the baseChar must be A-Z or a-z - if ((baseChar >= CAP_A) && (baseChar <= CAP_Z)) { - baseElem = boot[baseChar-CAP_A]; - } - else { - if ((baseChar >=LOW_A) && (baseChar <= LOW_Z)) { - baseElem = boot[26+baseChar-LOW_A]; - } - else { - status = U_ILLEGAL_CHARACTER; - return; - } - } - - if (baseElem == nullptr) { - LocalPointer<PtnElem> newElem(new PtnElem(basePattern, value), status); - if (U_FAILURE(status)) { - return; // out of memory - } - newElem->skeleton.adoptInsteadAndCheckErrorCode(new PtnSkeleton(skeleton), status); - if (U_FAILURE(status)) { - return; // out of memory - } - newElem->skeletonWasSpecified = skeletonWasSpecified; - if (baseChar >= LOW_A) { - boot[26 + (baseChar - LOW_A)] = newElem.orphan(); // the boot array now owns the PtnElem. - } - else { - boot[baseChar - CAP_A] = newElem.orphan(); // the boot array now owns the PtnElem. - } - } - if ( baseElem != nullptr ) { - curElem = getDuplicateElem(basePattern, skeleton, baseElem); - - if (curElem == nullptr) { - // add new element to the list. - curElem = baseElem; - while( curElem -> next != nullptr ) - { - curElem = curElem->next.getAlias(); - } - - LocalPointer<PtnElem> newElem(new PtnElem(basePattern, value), status); - if (U_FAILURE(status)) { - return; // out of memory - } - newElem->skeleton.adoptInsteadAndCheckErrorCode(new PtnSkeleton(skeleton), status); - if (U_FAILURE(status)) { - return; // out of memory - } - newElem->skeletonWasSpecified = skeletonWasSpecified; - curElem->next.adoptInstead(newElem.orphan()); - curElem = curElem->next.getAlias(); - } - else { - // Pattern exists in the list already. - if ( !isDupAllowed ) { - return; - } - // Overwrite the value. - curElem->pattern = value; - // It was a bug that we were not doing the following previously, - // though that bug hid other problems by making things partly work. - curElem->skeletonWasSpecified = skeletonWasSpecified; - } - } -} // PatternMap::add - -// Find the pattern from the given basePattern string. -const UnicodeString * -PatternMap::getPatternFromBasePattern(const UnicodeString& basePattern, UBool& skeletonWasSpecified) const { // key to search for - PtnElem *curElem; - - if ((curElem=getHeader(basePattern.charAt(0)))==nullptr) { - return nullptr; // no match - } - - do { - if ( basePattern.compare(curElem->basePattern)==0 ) { - skeletonWasSpecified = curElem->skeletonWasSpecified; - return &(curElem->pattern); - } - curElem = curElem->next.getAlias(); - } while (curElem != nullptr); - - return nullptr; -} // PatternMap::getFromBasePattern - - -// Find the pattern from the given skeleton. -// At least when this is called from getBestRaw & addPattern (in which case specifiedSkeletonPtr is non-NULL), -// the comparison should be based on skeleton.original (which is unique and tied to the distance measurement in bestRaw) -// and not skeleton.baseOriginal (which is not unique); otherwise we may pick a different skeleton than the one with the -// optimum distance value in getBestRaw. When this is called from public getRedundants (specifiedSkeletonPtr is NULL), -// for now it will continue to compare based on baseOriginal so as not to change the behavior unnecessarily. -const UnicodeString * -PatternMap::getPatternFromSkeleton(const PtnSkeleton& skeleton, const PtnSkeleton** specifiedSkeletonPtr) const { // key to search for - PtnElem *curElem; - - if (specifiedSkeletonPtr) { - *specifiedSkeletonPtr = nullptr; - } - - // find boot entry - UChar baseChar = skeleton.getFirstChar(); - if ((curElem=getHeader(baseChar))==nullptr) { - return nullptr; // no match - } - - do { - UBool equal; - if (specifiedSkeletonPtr != nullptr) { // called from DateTimePatternGenerator::getBestRaw or addPattern, use original - equal = curElem->skeleton->original == skeleton.original; - } else { // called from DateTimePatternGenerator::getRedundants, use baseOriginal - equal = curElem->skeleton->baseOriginal == skeleton.baseOriginal; - } - if (equal) { - if (specifiedSkeletonPtr && curElem->skeletonWasSpecified) { - *specifiedSkeletonPtr = curElem->skeleton.getAlias(); - } - return &(curElem->pattern); - } - curElem = curElem->next.getAlias(); - } while (curElem != nullptr); - - return nullptr; -} - -UBool -PatternMap::equals(const PatternMap& other) const { - if ( this==&other ) { - return TRUE; - } - for (int32_t bootIndex = 0; bootIndex < MAX_PATTERN_ENTRIES; ++bootIndex) { - if (boot[bootIndex] == other.boot[bootIndex]) { - continue; - } - if ((boot[bootIndex] == nullptr) || (other.boot[bootIndex] == nullptr)) { - return FALSE; - } - PtnElem *otherElem = other.boot[bootIndex]; - PtnElem *myElem = boot[bootIndex]; - while ((otherElem != nullptr) || (myElem != nullptr)) { - if ( myElem == otherElem ) { - break; - } - if ((otherElem == nullptr) || (myElem == nullptr)) { - return FALSE; - } - if ( (myElem->basePattern != otherElem->basePattern) || - (myElem->pattern != otherElem->pattern) ) { - return FALSE; - } - if ((myElem->skeleton.getAlias() != otherElem->skeleton.getAlias()) && - !myElem->skeleton->equals(*(otherElem->skeleton))) { - return FALSE; - } - myElem = myElem->next.getAlias(); - otherElem = otherElem->next.getAlias(); - } - } - return TRUE; -} - -// find any key existing in the mapping table already. -// return TRUE if there is an existing key, otherwise return FALSE. -PtnElem* -PatternMap::getDuplicateElem( - const UnicodeString &basePattern, - const PtnSkeleton &skeleton, - PtnElem *baseElem) { - PtnElem *curElem; - - if ( baseElem == nullptr ) { - return nullptr; - } - else { - curElem = baseElem; - } - do { - if ( basePattern.compare(curElem->basePattern)==0 ) { - UBool isEqual = TRUE; - for (int32_t i = 0; i < UDATPG_FIELD_COUNT; ++i) { - if (curElem->skeleton->type[i] != skeleton.type[i] ) { - isEqual = FALSE; - break; - } - } - if (isEqual) { - return curElem; - } - } - curElem = curElem->next.getAlias(); - } while( curElem != nullptr ); - - // end of the list - return nullptr; - -} // PatternMap::getDuplicateElem - -DateTimeMatcher::DateTimeMatcher(void) { -} - -DateTimeMatcher::~DateTimeMatcher() {} - -DateTimeMatcher::DateTimeMatcher(const DateTimeMatcher& other) { - copyFrom(other.skeleton); -} - - -void -DateTimeMatcher::set(const UnicodeString& pattern, FormatParser* fp) { - PtnSkeleton localSkeleton; - return set(pattern, fp, localSkeleton); -} - -void -DateTimeMatcher::set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeletonResult) { - int32_t i; - for (i=0; i<UDATPG_FIELD_COUNT; ++i) { - skeletonResult.type[i] = NONE; - } - skeletonResult.original.clear(); - skeletonResult.baseOriginal.clear(); - skeletonResult.addedDefaultDayPeriod = FALSE; - - fp->set(pattern); - for (i=0; i < fp->itemNumber; i++) { - const UnicodeString& value = fp->items[i]; - // don't skip 'a' anymore, dayPeriod handled specially below - - if ( fp->isQuoteLiteral(value) ) { - UnicodeString quoteLiteral; - fp->getQuoteLiteral(quoteLiteral, &i); - continue; - } - int32_t canonicalIndex = fp->getCanonicalIndex(value); - if (canonicalIndex < 0) { - continue; - } - const dtTypeElem *row = &dtTypes[canonicalIndex]; - int32_t field = row->field; - skeletonResult.original.populate(field, value); - UChar repeatChar = row->patternChar; - int32_t repeatCount = row->minLen; - skeletonResult.baseOriginal.populate(field, repeatChar, repeatCount); - int16_t subField = row->type; - if (row->type > 0) { - U_ASSERT(value.length() < INT16_MAX); - subField += static_cast<int16_t>(value.length()); - } - skeletonResult.type[field] = subField; - } - // #13183, handle special behavior for day period characters (a, b, B) - if (!skeletonResult.original.isFieldEmpty(UDATPG_HOUR_FIELD)) { - if (skeletonResult.original.getFieldChar(UDATPG_HOUR_FIELD)==LOW_H || skeletonResult.original.getFieldChar(UDATPG_HOUR_FIELD)==CAP_K) { - // We have a skeleton with 12-hour-cycle format - if (skeletonResult.original.isFieldEmpty(UDATPG_DAYPERIOD_FIELD)) { - // But we do not have a day period in the skeleton; add the default DAYPERIOD (currently "a") - for (i = 0; dtTypes[i].patternChar != 0; i++) { - if ( dtTypes[i].field == UDATPG_DAYPERIOD_FIELD ) { - // first entry for UDATPG_DAYPERIOD_FIELD - skeletonResult.original.populate(UDATPG_DAYPERIOD_FIELD, dtTypes[i].patternChar, dtTypes[i].minLen); - skeletonResult.baseOriginal.populate(UDATPG_DAYPERIOD_FIELD, dtTypes[i].patternChar, dtTypes[i].minLen); - skeletonResult.type[UDATPG_DAYPERIOD_FIELD] = dtTypes[i].type; - skeletonResult.addedDefaultDayPeriod = TRUE; - break; - } - } - } - } else { - // Skeleton has 24-hour-cycle hour format and has dayPeriod, delete dayPeriod (i.e. ignore it) - skeletonResult.original.clearField(UDATPG_DAYPERIOD_FIELD); - skeletonResult.baseOriginal.clearField(UDATPG_DAYPERIOD_FIELD); - skeletonResult.type[UDATPG_DAYPERIOD_FIELD] = NONE; - } - } - copyFrom(skeletonResult); -} - -void -DateTimeMatcher::getBasePattern(UnicodeString &result ) { - result.remove(); // Reset the result first. - skeleton.baseOriginal.appendTo(result); -} - -UnicodeString -DateTimeMatcher::getPattern() { - UnicodeString result; - return skeleton.original.appendTo(result); -} - -int32_t -DateTimeMatcher::getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo) const { - int32_t result = 0; - distanceInfo.clear(); - for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i ) { - int32_t myType = (includeMask&(1<<i))==0 ? 0 : skeleton.type[i]; - int32_t otherType = other.skeleton.type[i]; - if (myType==otherType) { - continue; - } - if (myType==0) {// and other is not - result += EXTRA_FIELD; - distanceInfo.addExtra(i); - } - else { - if (otherType==0) { - result += MISSING_FIELD; - distanceInfo.addMissing(i); - } - else { - result += abs(myType - otherType); - } - } - - } - return result; -} - -void -DateTimeMatcher::copyFrom(const PtnSkeleton& newSkeleton) { - skeleton.copyFrom(newSkeleton); -} - -void -DateTimeMatcher::copyFrom() { - // same as clear - skeleton.clear(); -} - -UBool -DateTimeMatcher::equals(const DateTimeMatcher* other) const { - if (other==nullptr) { return FALSE; } - return skeleton.original == other->skeleton.original; -} - -int32_t -DateTimeMatcher::getFieldMask() const { - int32_t result = 0; - - for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { - if (skeleton.type[i]!=0) { - result |= (1<<i); - } - } - return result; -} - -PtnSkeleton* -DateTimeMatcher::getSkeletonPtr() { - return &skeleton; -} - -FormatParser::FormatParser () { - status = START; - itemNumber = 0; -} - - -FormatParser::~FormatParser () { -} - - -// Find the next token with the starting position and length -// Note: the startPos may -FormatParser::TokenStatus -FormatParser::setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len) { - int32_t curLoc = startPos; - if ( curLoc >= pattern.length()) { - return DONE; - } - // check the current char is between A-Z or a-z - do { - UChar c=pattern.charAt(curLoc); - if ( (c>=CAP_A && c<=CAP_Z) || (c>=LOW_A && c<=LOW_Z) ) { - curLoc++; - } - else { - startPos = curLoc; - *len=1; - return ADD_TOKEN; - } - - if ( pattern.charAt(curLoc)!= pattern.charAt(startPos) ) { - break; // not the same token - } - } while(curLoc <= pattern.length()); - *len = curLoc-startPos; - return ADD_TOKEN; -} - -void -FormatParser::set(const UnicodeString& pattern) { - int32_t startPos = 0; - TokenStatus result = START; - int32_t len = 0; - itemNumber = 0; - - do { - result = setTokens( pattern, startPos, &len ); - if ( result == ADD_TOKEN ) - { - items[itemNumber++] = UnicodeString(pattern, startPos, len ); - startPos += len; - } - else { - break; - } - } while (result==ADD_TOKEN && itemNumber < MAX_DT_TOKEN); -} - -int32_t -FormatParser::getCanonicalIndex(const UnicodeString& s, UBool strict) { - int32_t len = s.length(); - if (len == 0) { - return -1; - } - UChar ch = s.charAt(0); - - // Verify that all are the same character. - for (int32_t l = 1; l < len; l++) { - if (ch != s.charAt(l)) { - return -1; - } - } - int32_t i = 0; - int32_t bestRow = -1; - while (dtTypes[i].patternChar != 0x0000) { - if ( dtTypes[i].patternChar != ch ) { - ++i; - continue; - } - bestRow = i; - if (dtTypes[i].patternChar != dtTypes[i+1].patternChar) { - return i; - } - if (dtTypes[i+1].minLen <= len) { - ++i; - continue; - } - return i; - } - return strict ? -1 : bestRow; -} - -UBool -FormatParser::isQuoteLiteral(const UnicodeString& s) { - return (UBool)(s.charAt(0) == SINGLE_QUOTE); -} - -// This function assumes the current itemIndex points to the quote literal. -// Please call isQuoteLiteral prior to this function. -void -FormatParser::getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex) { - int32_t i = *itemIndex; - - quote.remove(); - if (items[i].charAt(0)==SINGLE_QUOTE) { - quote += items[i]; - ++i; - } - while ( i < itemNumber ) { - if ( items[i].charAt(0)==SINGLE_QUOTE ) { - if ( (i+1<itemNumber) && (items[i+1].charAt(0)==SINGLE_QUOTE)) { - // two single quotes e.g. 'o''clock' - quote += items[i++]; - quote += items[i++]; - continue; - } - else { - quote += items[i]; - break; - } - } - else { - quote += items[i]; - } - ++i; - } - *itemIndex=i; -} - -UBool -FormatParser::isPatternSeparator(const UnicodeString& field) const { - for (int32_t i=0; i<field.length(); ++i ) { - UChar c= field.charAt(i); - if ( (c==SINGLE_QUOTE) || (c==BACKSLASH) || (c==SPACE) || (c==COLON) || - (c==QUOTATION_MARK) || (c==COMMA) || (c==HYPHEN) ||(items[i].charAt(0)==DOT) ) { - continue; - } - else { - return FALSE; - } - } - return TRUE; -} - -DistanceInfo::~DistanceInfo() {} - -void -DistanceInfo::setTo(const DistanceInfo& other) { - missingFieldMask = other.missingFieldMask; - extraFieldMask= other.extraFieldMask; -} - -PatternMapIterator::PatternMapIterator(UErrorCode& status) : - bootIndex(0), nodePtr(nullptr), matcher(nullptr), patternMap(nullptr) -{ - if (U_FAILURE(status)) { return; } - matcher.adoptInsteadAndCheckErrorCode(new DateTimeMatcher(), status); -} - -PatternMapIterator::~PatternMapIterator() { -} - -void -PatternMapIterator::set(PatternMap& newPatternMap) { - this->patternMap=&newPatternMap; -} - -PtnSkeleton* -PatternMapIterator::getSkeleton() const { - if ( nodePtr == nullptr ) { - return nullptr; - } - else { - return nodePtr->skeleton.getAlias(); - } -} - -UBool -PatternMapIterator::hasNext() const { - int32_t headIndex = bootIndex; - PtnElem *curPtr = nodePtr; - - if (patternMap==nullptr) { - return FALSE; - } - while ( headIndex < MAX_PATTERN_ENTRIES ) { - if ( curPtr != nullptr ) { - if ( curPtr->next != nullptr ) { - return TRUE; - } - else { - headIndex++; - curPtr=nullptr; - continue; - } - } - else { - if ( patternMap->boot[headIndex] != nullptr ) { - return TRUE; - } - else { - headIndex++; - continue; - } - } - } - return FALSE; -} - -DateTimeMatcher& -PatternMapIterator::next() { - while ( bootIndex < MAX_PATTERN_ENTRIES ) { - if ( nodePtr != nullptr ) { - if ( nodePtr->next != nullptr ) { - nodePtr = nodePtr->next.getAlias(); - break; - } - else { - bootIndex++; - nodePtr=nullptr; - continue; - } - } - else { - if ( patternMap->boot[bootIndex] != nullptr ) { - nodePtr = patternMap->boot[bootIndex]; - break; - } - else { - bootIndex++; - continue; - } - } - } - if (nodePtr!=nullptr) { - matcher->copyFrom(*nodePtr->skeleton); - } - else { - matcher->copyFrom(); - } - return *matcher; -} - - -SkeletonFields::SkeletonFields() { - // Set initial values to zero - clear(); -} - -void SkeletonFields::clear() { - uprv_memset(chars, 0, sizeof(chars)); - uprv_memset(lengths, 0, sizeof(lengths)); -} - -void SkeletonFields::copyFrom(const SkeletonFields& other) { - uprv_memcpy(chars, other.chars, sizeof(chars)); - uprv_memcpy(lengths, other.lengths, sizeof(lengths)); -} - -void SkeletonFields::clearField(int32_t field) { - chars[field] = 0; - lengths[field] = 0; -} - -UChar SkeletonFields::getFieldChar(int32_t field) const { - return chars[field]; -} - -int32_t SkeletonFields::getFieldLength(int32_t field) const { - return lengths[field]; -} - -void SkeletonFields::populate(int32_t field, const UnicodeString& value) { - populate(field, value.charAt(0), value.length()); -} - -void SkeletonFields::populate(int32_t field, UChar ch, int32_t length) { - chars[field] = (int8_t) ch; - lengths[field] = (int8_t) length; -} - -UBool SkeletonFields::isFieldEmpty(int32_t field) const { - return lengths[field] == 0; -} - -UnicodeString& SkeletonFields::appendTo(UnicodeString& string) const { - for (int32_t i = 0; i < UDATPG_FIELD_COUNT; ++i) { - appendFieldTo(i, string); - } - return string; -} - -UnicodeString& SkeletonFields::appendFieldTo(int32_t field, UnicodeString& string) const { - UChar ch(chars[field]); - int32_t length = (int32_t) lengths[field]; - - for (int32_t i=0; i<length; i++) { - string += ch; - } - return string; -} - -UChar SkeletonFields::getFirstChar() const { - for (int32_t i = 0; i < UDATPG_FIELD_COUNT; ++i) { - if (lengths[i] != 0) { - return chars[i]; - } - } - return '\0'; -} - - -PtnSkeleton::PtnSkeleton() { -} - -PtnSkeleton::PtnSkeleton(const PtnSkeleton& other) { - copyFrom(other); -} - -void PtnSkeleton::copyFrom(const PtnSkeleton& other) { - uprv_memcpy(type, other.type, sizeof(type)); - original.copyFrom(other.original); - baseOriginal.copyFrom(other.baseOriginal); -} - -void PtnSkeleton::clear() { - uprv_memset(type, 0, sizeof(type)); - original.clear(); - baseOriginal.clear(); -} - -UBool -PtnSkeleton::equals(const PtnSkeleton& other) const { - return (original == other.original) - && (baseOriginal == other.baseOriginal) - && (uprv_memcmp(type, other.type, sizeof(type)) == 0); -} - -UnicodeString -PtnSkeleton::getSkeleton() const { - UnicodeString result; - result = original.appendTo(result); - int32_t pos; - if (addedDefaultDayPeriod && (pos = result.indexOf(LOW_A)) >= 0) { - // for backward compatibility: if DateTimeMatcher.set added a single 'a' that - // was not in the provided skeleton, remove it here before returning skeleton. - result.remove(pos, 1); - } - return result; -} - -UnicodeString -PtnSkeleton::getBaseSkeleton() const { - UnicodeString result; - result = baseOriginal.appendTo(result); - int32_t pos; - if (addedDefaultDayPeriod && (pos = result.indexOf(LOW_A)) >= 0) { - // for backward compatibility: if DateTimeMatcher.set added a single 'a' that - // was not in the provided skeleton, remove it here before returning skeleton. - result.remove(pos, 1); - } - return result; -} - -UChar -PtnSkeleton::getFirstChar() const { - return baseOriginal.getFirstChar(); -} - -PtnSkeleton::~PtnSkeleton() { -} - -PtnElem::PtnElem(const UnicodeString &basePat, const UnicodeString &pat) : - basePattern(basePat), skeleton(nullptr), pattern(pat), next(nullptr) -{ -} - -PtnElem::~PtnElem() { -} - -DTSkeletonEnumeration::DTSkeletonEnumeration(PatternMap& patternMap, dtStrEnum type, UErrorCode& status) : fSkeletons(nullptr) { - PtnElem *curElem; - PtnSkeleton *curSkeleton; - UnicodeString s; - int32_t bootIndex; - - pos=0; - fSkeletons.adoptInsteadAndCheckErrorCode(new UVector(status), status); - if (U_FAILURE(status)) { - return; - } - - for (bootIndex=0; bootIndex<MAX_PATTERN_ENTRIES; ++bootIndex ) { - curElem = patternMap.boot[bootIndex]; - while (curElem!=nullptr) { - switch(type) { - case DT_BASESKELETON: - s=curElem->basePattern; - break; - case DT_PATTERN: - s=curElem->pattern; - break; - case DT_SKELETON: - curSkeleton=curElem->skeleton.getAlias(); - s=curSkeleton->getSkeleton(); - break; - } - if ( !isCanonicalItem(s) ) { - LocalPointer<UnicodeString> newElem(new UnicodeString(s), status); - if (U_FAILURE(status)) { - return; - } - fSkeletons->addElement(newElem.getAlias(), status); - if (U_FAILURE(status)) { - fSkeletons.adoptInstead(nullptr); - return; - } - newElem.orphan(); // fSkeletons vector now owns the UnicodeString. - } - curElem = curElem->next.getAlias(); - } - } - if ((bootIndex==MAX_PATTERN_ENTRIES) && (curElem!=nullptr) ) { - status = U_BUFFER_OVERFLOW_ERROR; - } -} - -const UnicodeString* -DTSkeletonEnumeration::snext(UErrorCode& status) { - if (U_SUCCESS(status) && fSkeletons.isValid() && pos < fSkeletons->size()) { - return (const UnicodeString*)fSkeletons->elementAt(pos++); - } - return nullptr; -} - -void -DTSkeletonEnumeration::reset(UErrorCode& /*status*/) { - pos=0; -} - -int32_t -DTSkeletonEnumeration::count(UErrorCode& /*status*/) const { - return (fSkeletons.isNull()) ? 0 : fSkeletons->size(); -} - -UBool -DTSkeletonEnumeration::isCanonicalItem(const UnicodeString& item) { - if ( item.length() != 1 ) { - return FALSE; - } - for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { - if (item.charAt(0)==Canonical_Items[i]) { - return TRUE; - } - } - return FALSE; -} - -DTSkeletonEnumeration::~DTSkeletonEnumeration() { - UnicodeString *s; - if (fSkeletons.isValid()) { - for (int32_t i = 0; i < fSkeletons->size(); ++i) { - if ((s = (UnicodeString *)fSkeletons->elementAt(i)) != nullptr) { - delete s; - } - } - } -} - -DTRedundantEnumeration::DTRedundantEnumeration() : pos(0), fPatterns(nullptr) { -} - -void -DTRedundantEnumeration::add(const UnicodeString& pattern, UErrorCode& status) { - if (U_FAILURE(status)) { return; } - if (fPatterns.isNull()) { - fPatterns.adoptInsteadAndCheckErrorCode(new UVector(status), status); - if (U_FAILURE(status)) { - return; - } - } - LocalPointer<UnicodeString> newElem(new UnicodeString(pattern), status); - if (U_FAILURE(status)) { - return; - } - fPatterns->addElement(newElem.getAlias(), status); - if (U_FAILURE(status)) { - fPatterns.adoptInstead(nullptr); - return; - } - newElem.orphan(); // fPatterns now owns the string. -} - -const UnicodeString* -DTRedundantEnumeration::snext(UErrorCode& status) { - if (U_SUCCESS(status) && fPatterns.isValid() && pos < fPatterns->size()) { - return (const UnicodeString*)fPatterns->elementAt(pos++); - } - return nullptr; -} - -void -DTRedundantEnumeration::reset(UErrorCode& /*status*/) { - pos=0; -} - -int32_t -DTRedundantEnumeration::count(UErrorCode& /*status*/) const { - return (fPatterns.isNull()) ? 0 : fPatterns->size(); -} - -UBool -DTRedundantEnumeration::isCanonicalItem(const UnicodeString& item) const { - if ( item.length() != 1 ) { - return FALSE; - } - for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { - if (item.charAt(0)==Canonical_Items[i]) { - return TRUE; - } - } - return FALSE; -} - -DTRedundantEnumeration::~DTRedundantEnumeration() { - UnicodeString *s; - if (fPatterns.isValid()) { - for (int32_t i = 0; i < fPatterns->size(); ++i) { - if ((s = (UnicodeString *)fPatterns->elementAt(i)) != nullptr) { - delete s; - } - } - } -} - -U_NAMESPACE_END - - -#endif /* #if !UCONFIG_NO_FORMATTING */ - -//eof |