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-rw-r--r--intl/icu/source/i18n/dtptngen.cpp2928
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diff --git a/intl/icu/source/i18n/dtptngen.cpp b/intl/icu/source/i18n/dtptngen.cpp
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+++ b/intl/icu/source/i18n/dtptngen.cpp
@@ -0,0 +1,2928 @@
+// © 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 "unicode/region.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", "DayPeriod", // The UDATPG_x_FIELD constants and these fields have a different order than in ICU4J
+ "Hour", "Minute", "Second", "FractionalSecond", "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", "fractionalSecond", "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),
+ fDefaultHourFormatChar(0),
+ 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),
+ fDefaultHourFormatChar(0),
+ 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),
+ fDefaultHourFormatChar(0),
+ 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_K, // Added ICU-20383, used by JP
+ ALLOWED_HOUR_FORMAT_k, // Added ICU-20383, not currently used
+ ALLOWED_HOUR_FORMAT_hb,
+ ALLOWED_HOUR_FORMAT_hB,
+ ALLOWED_HOUR_FORMAT_Kb, // Added ICU-20383, not currently used
+ ALLOWED_HOUR_FORMAT_KB, // Added ICU-20383, not currently used
+ // ICU-20383 The following are unlikely and not currently used
+ 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; }
+ // below we construct a list[] that has an entry for the "preferred" value at [0],
+ // followed by 1 or more entries for the "allowed" values, terminated with an
+ // entry for ALLOWED_HOUR_FORMAT_UNKNOWN (not included in length below)
+ LocalMemory<int32_t> list;
+ int32_t length = 0;
+ int32_t preferredFormat = ALLOWED_HOUR_FORMAT_UNKNOWN;
+ for (int32_t j = 0; formatList.getKeyAndValue(j, key, value); ++j) {
+ if (uprv_strcmp(key, "allowed") == 0) {
+ if (value.getType() == URES_STRING) {
+ length = 2; // 1 preferred to add later, 1 allowed to add now
+ if (list.allocateInsteadAndReset(length + 1) == nullptr) {
+ errorCode = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+ list[1] = getHourFormatFromUnicodeString(value.getUnicodeString(errorCode));
+ }
+ else {
+ ResourceArray allowedFormats = value.getArray(errorCode);
+ length = allowedFormats.getSize() + 1; // 1 preferred, getSize allowed
+ if (list.allocateInsteadAndReset(length + 1) == nullptr) {
+ errorCode = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+ for (int32_t k = 1; k < length; ++k) {
+ allowedFormats.getValue(k-1, value);
+ list[k] = getHourFormatFromUnicodeString(value.getUnicodeString(errorCode));
+ }
+ }
+ } else if (uprv_strcmp(key, "preferred") == 0) {
+ preferredFormat = getHourFormatFromUnicodeString(value.getUnicodeString(errorCode));
+ }
+ }
+ if (length > 1) {
+ list[0] = (preferredFormat!=ALLOWED_HOUR_FORMAT_UNKNOWN)? preferredFormat: list[1];
+ } else {
+ // fallback handling for missing data
+ length = 2; // 1 preferred, 1 allowed
+ if (list.allocateInsteadAndReset(length + 1) == nullptr) {
+ errorCode = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+ list[0] = (preferredFormat!=ALLOWED_HOUR_FORMAT_UNKNOWN)? preferredFormat: ALLOWED_HOUR_FORMAT_H;
+ list[1] = list[0];
+ }
+ list[length] = ALLOWED_HOUR_FORMAT_UNKNOWN;
+ // At this point list[] will have at least two non-ALLOWED_HOUR_FORMAT_UNKNOWN entries,
+ // followed by 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; }
+ if (s[0] == CAP_K) { return ALLOWED_HOUR_FORMAT_K; }
+ if (s[0] == LOW_K) { return ALLOWED_HOUR_FORMAT_k; }
+ } else if (s.length() == 2) {
+ if (s[0] == LOW_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_K && s[1] == LOW_B) { return ALLOWED_HOUR_FORMAT_Kb; }
+ if (s[0] == CAP_K && s[1] == CAP_B) { return ALLOWED_HOUR_FORMAT_KB; }
+ if (s[0] == CAP_H && s[1] == LOW_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);
+}
+
+static int32_t* getAllowedHourFormatsLangCountry(const char* language, const char* country, UErrorCode& status) {
+ CharString langCountry;
+ langCountry.append(language, status);
+ langCountry.append('_', status);
+ langCountry.append(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));
+ }
+
+ return allowedFormats;
+}
+
+void DateTimePatternGenerator::getAllowedHourFormats(const Locale &locale, UErrorCode &status) {
+ if (U_FAILURE(status)) { return; }
+
+ const char *language = locale.getLanguage();
+ const char *country = locale.getCountry();
+ Locale maxLocale; // must be here for correct lifetime
+ if (*language == '\0' || *country == '\0') {
+ maxLocale = locale;
+ UErrorCode localStatus = U_ZERO_ERROR;
+ maxLocale.addLikelySubtags(localStatus);
+ if (U_SUCCESS(localStatus)) {
+ language = maxLocale.getLanguage();
+ country = maxLocale.getCountry();
+ }
+ }
+ if (*language == '\0') {
+ // Unexpected, but fail gracefully
+ language = "und";
+ }
+ if (*country == '\0') {
+ country = "001";
+ }
+
+ int32_t* allowedFormats = getAllowedHourFormatsLangCountry(language, country, status);
+
+ // We need to check if there is an hour cycle on locale
+ char buffer[8];
+ int32_t count = locale.getKeywordValue("hours", buffer, sizeof(buffer), status);
+
+ fDefaultHourFormatChar = 0;
+ if (U_SUCCESS(status) && count > 0) {
+ if(uprv_strcmp(buffer, "h24") == 0) {
+ fDefaultHourFormatChar = LOW_K;
+ } else if(uprv_strcmp(buffer, "h23") == 0) {
+ fDefaultHourFormatChar = CAP_H;
+ } else if(uprv_strcmp(buffer, "h12") == 0) {
+ fDefaultHourFormatChar = LOW_H;
+ } else if(uprv_strcmp(buffer, "h11") == 0) {
+ fDefaultHourFormatChar = CAP_K;
+ }
+ }
+
+ // Check if the region has an alias
+ if (allowedFormats == nullptr) {
+ UErrorCode localStatus = U_ZERO_ERROR;
+ const Region* region = Region::getInstance(country, localStatus);
+ if (U_SUCCESS(localStatus)) {
+ country = region->getRegionCode(); // the real region code
+ allowedFormats = getAllowedHourFormatsLangCountry(language, country, status);
+ }
+ }
+
+ if (allowedFormats != nullptr) { // Lookup is successful
+ // Here allowedFormats points to a list consisting of key for preferredFormat,
+ // followed by one or more keys for allowedFormats, then followed by ALLOWED_HOUR_FORMAT_UNKNOWN.
+ if (!fDefaultHourFormatChar) {
+ switch (allowedFormats[0]) {
+ case ALLOWED_HOUR_FORMAT_h: fDefaultHourFormatChar = LOW_H; break;
+ case ALLOWED_HOUR_FORMAT_H: fDefaultHourFormatChar = CAP_H; break;
+ case ALLOWED_HOUR_FORMAT_K: fDefaultHourFormatChar = CAP_K; break;
+ case ALLOWED_HOUR_FORMAT_k: fDefaultHourFormatChar = LOW_K; break;
+ default: fDefaultHourFormatChar = CAP_H; break;
+ }
+ }
+
+ for (int32_t i = 0; i < UPRV_LENGTHOF(fAllowedHourFormats); ++i) {
+ fAllowedHourFormats[i] = allowedFormats[i + 1];
+ if (fAllowedHourFormats[i] == ALLOWED_HOUR_FORMAT_UNKNOWN) {
+ break;
+ }
+ }
+ } else { // Lookup failed, twice
+ if (!fDefaultHourFormatChar) {
+ fDefaultHourFormatChar = CAP_H;
+ }
+ fAllowedHourFormats[0] = ALLOWED_HOUR_FORMAT_H;
+ fAllowedHourFormats[1] = ALLOWED_HOUR_FORMAT_UNKNOWN;
+ }
+}
+
+UDateFormatHourCycle
+DateTimePatternGenerator::getDefaultHourCycle(UErrorCode& status) const {
+ if (U_FAILURE(status)) {
+ return UDAT_HOUR_CYCLE_23;
+ }
+ if (fDefaultHourFormatChar == 0) {
+ // We need to return something, but the caller should ignore it
+ // anyways since the returned status is a failure.
+ status = U_UNSUPPORTED_ERROR;
+ return UDAT_HOUR_CYCLE_23;
+ }
+ switch (fDefaultHourFormatChar) {
+ case CAP_K:
+ return UDAT_HOUR_CYCLE_11;
+ case LOW_H:
+ return UDAT_HOUR_CYCLE_12;
+ case CAP_H:
+ return UDAT_HOUR_CYCLE_23;
+ case LOW_K:
+ return UDAT_HOUR_CYCLE_24;
+ default:
+ UPRV_UNREACHABLE;
+ }
+}
+
+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)
+
+void
+DateTimePatternGenerator::getCalendarTypeToUse(const Locale& locale, CharString& destination, UErrorCode& err) {
+ destination.clear().append(DT_DateTimeGregorianTag, -1, err); // initial default
+ if ( U_SUCCESS(err) ) {
+ UErrorCode localStatus = U_ZERO_ERROR;
+ 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,
+ &localStatus);
+ 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,
+ &localStatus);
+ // If the input locale was invalid, don't fail with missing resource error, instead
+ // continue with default of Gregorian.
+ if (U_FAILURE(localStatus) && localStatus != U_MISSING_RESOURCE_ERROR) {
+ err = localStatus;
+ return;
+ }
+ if (calendarTypeLen < ULOC_KEYWORDS_CAPACITY) {
+ destination.clear().append(calendarType, -1, err);
+ if (U_FAILURE(err)) { return; }
+ }
+ }
+}
+
+void
+DateTimePatternGenerator::consumeShortTimePattern(const UnicodeString& shortTimePattern,
+ UErrorCode& status) {
+ if (U_FAILURE(status)) { return; }
+ // ICU-20383 No longer set fDefaultHourFormatChar to the hour format character from
+ // this pattern; instead it is set from localeToAllowedHourFormatsMap which now
+ // includes entries for both preferred and allowed formats.
+
+ // 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; }
+
+ UResType type = value.getType();
+ U_ASSERT(type == URES_TABLE || type == URES_ALIAS);
+
+ // TODO: Implement support for alias types.
+ if (type == URES_ALIAS) {
+ 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 bestAllowed;
+ if (fAllowedHourFormats[0] != ALLOWED_HOUR_FORMAT_UNKNOWN) {
+ bestAllowed = (AllowedHourFormat)fAllowedHourFormats[0];
+ } else {
+ status = U_INVALID_FORMAT_ERROR;
+ return UnicodeString();
+ }
+ if (bestAllowed == ALLOWED_HOUR_FORMAT_H || bestAllowed == ALLOWED_HOUR_FORMAT_HB || bestAllowed == ALLOWED_HOUR_FORMAT_Hb) {
+ hourChar = CAP_H;
+ } else if (bestAllowed == ALLOWED_HOUR_FORMAT_K || bestAllowed == ALLOWED_HOUR_FORMAT_KB || bestAllowed == ALLOWED_HOUR_FORMAT_Kb) {
+ hourChar = CAP_K;
+ } else if (bestAllowed == ALLOWED_HOUR_FORMAT_k) {
+ hourChar = LOW_K;
+ }
+ // in #13183 just add b/B to skeleton, no longer need to set special flags
+ if (bestAllowed == ALLOWED_HOUR_FORMAT_HB || bestAllowed == ALLOWED_HOUR_FORMAT_hB || bestAllowed == ALLOWED_HOUR_FORMAT_KB) {
+ dayPeriodChar = CAP_B;
+ } else if (bestAllowed == ALLOWED_HOUR_FORMAT_Hb || bestAllowed == ALLOWED_HOUR_FORMAT_hb || bestAllowed == ALLOWED_HOUR_FORMAT_Kb) {
+ 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;
+ int32_t bestMissingFieldMask = -1;
+ 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);
+ // Because we iterate over a map the order is undefined. Can change between implementations,
+ // versions, and will very likely be different between Java and C/C++.
+ // So if we have patterns with the same distance we also look at the missingFieldMask,
+ // and we favour the smallest one. Because the field is a bitmask this technically means we
+ // favour differences in the "least significant fields". For example we prefer the one with differences
+ // in seconds field vs one with difference in the hours field.
+ if (distance<bestDistance || (distance==bestDistance && bestMissingFieldMask<tempInfo.missingFieldMask)) {
+ bestDistance=distance;
+ bestMissingFieldMask=tempInfo.missingFieldMask;
+ 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 after replacement
+ // of metacharacters 'j', 'C' and 'J', 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_MONTH_FIELD or
+ // UDATPG_WEEKDAY_FIELD or UDATPG_YEAR_FIELD, in which case it should consist
+ // of characters from the found pattern. In some cases of UDATPG_HOUR_FIELD,
+ // there is adjustment following the "defaultHourFormatChar". There is explanation
+ // how it is done below.
+ //
+ // 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 && fDefaultHourFormatChar != 0) {
+ // The adjustment here is required to match spec (https://www.unicode.org/reports/tr35/tr35-dates.html#dfst-hour).
+ // It is necessary to match the hour-cycle preferred by the Locale.
+ // Given that, we need to do the following adjustments:
+ // 1. When hour-cycle is h11 it should replace 'h' by 'K'.
+ // 2. When hour-cycle is h23 it should replace 'H' by 'k'.
+ // 3. When hour-cycle is h24 it should replace 'k' by 'H'.
+ // 4. When hour-cycle is h12 it should replace 'K' by 'h'.
+
+ if ((flags & kDTPGSkeletonUsesCapJ) != 0 || reqFieldChar == fDefaultHourFormatChar) {
+ c = fDefaultHourFormatChar;
+ } else if (reqFieldChar == LOW_H && fDefaultHourFormatChar == CAP_K) {
+ c = CAP_K;
+ } else if (reqFieldChar == CAP_H && fDefaultHourFormatChar == LOW_K) {
+ c = LOW_K;
+ } else if (reqFieldChar == LOW_K && fDefaultHourFormatChar == CAP_H) {
+ c = CAP_H;
+ } else if (reqFieldChar == CAP_K && fDefaultHourFormatChar == LOW_H) {
+ c = LOW_H;
+ }
+ }
+
+ 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 {
+ UPRV_UNREACHABLE;
+ }
+ }
+ 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);
+}
+
+DateTimeMatcher& DateTimeMatcher::operator=(const DateTimeMatcher& other) {
+ copyFrom(other.skeleton);
+ return *this;
+}
+
+
+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;
+ }
+
+ // #20739, we have a skeleton with minutes and milliseconds, but no seconds
+ //
+ // Theoretically we would need to check and fix all fields with "gaps":
+ // for example year-day (no month), month-hour (no day), and so on, All the possible field combinations.
+ // Plus some smartness: year + hour => should we add month, or add day-of-year?
+ // What about month + day-of-week, or month + am/pm indicator.
+ // I think beyond a certain point we should not try to fix bad developer input and try guessing what they mean.
+ // Garbage in, garbage out.
+ if (!skeletonResult.original.isFieldEmpty(UDATPG_MINUTE_FIELD)
+ && !skeletonResult.original.isFieldEmpty(UDATPG_FRACTIONAL_SECOND_FIELD)
+ && skeletonResult.original.isFieldEmpty(UDATPG_SECOND_FIELD)) {
+ // Force the use of seconds
+ for (i = 0; dtTypes[i].patternChar != 0; i++) {
+ if (dtTypes[i].field == UDATPG_SECOND_FIELD) {
+ // first entry for UDATPG_SECOND_FIELD
+ skeletonResult.original.populate(UDATPG_SECOND_FIELD, dtTypes[i].patternChar, dtTypes[i].minLen);
+ skeletonResult.baseOriginal.populate(UDATPG_SECOND_FIELD, dtTypes[i].patternChar, dtTypes[i].minLen);
+ // We add value.length, same as above, when type is first initialized.
+ // The value we want to "fake" here is "s", and 1 means "s".length()
+ int16_t subField = dtTypes[i].type;
+ skeletonResult.type[UDATPG_SECOND_FIELD] = (subField > 0) ? subField + 1 : subField;
+ break;
+ }
+ }
+ }
+
+ // #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()
+ : addedDefaultDayPeriod(FALSE) {
+}
+
+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);
+ addedDefaultDayPeriod = other.addedDefaultDayPeriod;
+}
+
+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