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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /intl/icu/source/i18n/smpdtfmt.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/icu/source/i18n/smpdtfmt.cpp')
-rw-r--r--intl/icu/source/i18n/smpdtfmt.cpp4413
1 files changed, 4413 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/smpdtfmt.cpp b/intl/icu/source/i18n/smpdtfmt.cpp
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+++ b/intl/icu/source/i18n/smpdtfmt.cpp
@@ -0,0 +1,4413 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*******************************************************************************
+* Copyright (C) 1997-2016, International Business Machines Corporation and *
+* others. All Rights Reserved. *
+*******************************************************************************
+*
+* File SMPDTFMT.CPP
+*
+* Modification History:
+*
+* Date Name Description
+* 02/19/97 aliu Converted from java.
+* 03/31/97 aliu Modified extensively to work with 50 locales.
+* 04/01/97 aliu Added support for centuries.
+* 07/09/97 helena Made ParsePosition into a class.
+* 07/21/98 stephen Added initializeDefaultCentury.
+* Removed getZoneIndex (added in DateFormatSymbols)
+* Removed subParseLong
+* Removed chk
+* 02/22/99 stephen Removed character literals for EBCDIC safety
+* 10/14/99 aliu Updated 2-digit year parsing so that only "00" thru
+* "99" are recognized. {j28 4182066}
+* 11/15/99 weiv Added support for week of year/day of week format
+********************************************************************************
+*/
+
+#define ZID_KEY_MAX 128
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+#include "unicode/smpdtfmt.h"
+#include "unicode/dtfmtsym.h"
+#include "unicode/ures.h"
+#include "unicode/msgfmt.h"
+#include "unicode/calendar.h"
+#include "unicode/gregocal.h"
+#include "unicode/timezone.h"
+#include "unicode/decimfmt.h"
+#include "unicode/dcfmtsym.h"
+#include "unicode/uchar.h"
+#include "unicode/uniset.h"
+#include "unicode/ustring.h"
+#include "unicode/basictz.h"
+#include "unicode/simpleformatter.h"
+#include "unicode/simplenumberformatter.h"
+#include "unicode/simpletz.h"
+#include "unicode/rbtz.h"
+#include "unicode/tzfmt.h"
+#include "unicode/ucasemap.h"
+#include "unicode/utf16.h"
+#include "unicode/vtzone.h"
+#include "unicode/udisplaycontext.h"
+#include "unicode/brkiter.h"
+#include "unicode/rbnf.h"
+#include "unicode/dtptngen.h"
+#include "uresimp.h"
+#include "olsontz.h"
+#include "patternprops.h"
+#include "fphdlimp.h"
+#include "hebrwcal.h"
+#include "cstring.h"
+#include "uassert.h"
+#include "cmemory.h"
+#include "umutex.h"
+#include "mutex.h"
+#include <float.h>
+#include "smpdtfst.h"
+#include "sharednumberformat.h"
+#include "ucasemap_imp.h"
+#include "ustr_imp.h"
+#include "charstr.h"
+#include "uvector.h"
+#include "cstr.h"
+#include "dayperiodrules.h"
+#include "tznames_impl.h" // ZONE_NAME_U16_MAX
+#include "number_utypes.h"
+
+#if defined( U_DEBUG_CALSVC ) || defined (U_DEBUG_CAL)
+#include <stdio.h>
+#endif
+
+// *****************************************************************************
+// class SimpleDateFormat
+// *****************************************************************************
+
+U_NAMESPACE_BEGIN
+
+/**
+ * Last-resort string to use for "GMT" when constructing time zone strings.
+ */
+// For time zones that have no names, use strings GMT+minutes and
+// GMT-minutes. For instance, in France the time zone is GMT+60.
+// Also accepted are GMT+H:MM or GMT-H:MM.
+// Currently not being used
+//static const char16_t gGmt[] = {0x0047, 0x004D, 0x0054, 0x0000}; // "GMT"
+//static const char16_t gGmtPlus[] = {0x0047, 0x004D, 0x0054, 0x002B, 0x0000}; // "GMT+"
+//static const char16_t gGmtMinus[] = {0x0047, 0x004D, 0x0054, 0x002D, 0x0000}; // "GMT-"
+//static const char16_t gDefGmtPat[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0x0000}; /* GMT{0} */
+//static const char16_t gDefGmtNegHmsPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* -HH:mm:ss */
+//static const char16_t gDefGmtNegHmPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* -HH:mm */
+//static const char16_t gDefGmtPosHmsPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* +HH:mm:ss */
+//static const char16_t gDefGmtPosHmPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* +HH:mm */
+//static const char16_t gUt[] = {0x0055, 0x0054, 0x0000}; // "UT"
+//static const char16_t gUtc[] = {0x0055, 0x0054, 0x0043, 0x0000}; // "UT"
+
+typedef enum GmtPatSize {
+ kGmtLen = 3,
+ kGmtPatLen = 6,
+ kNegHmsLen = 9,
+ kNegHmLen = 6,
+ kPosHmsLen = 9,
+ kPosHmLen = 6,
+ kUtLen = 2,
+ kUtcLen = 3
+} GmtPatSize;
+
+// Stuff needed for numbering system overrides
+
+typedef enum OvrStrType {
+ kOvrStrDate = 0,
+ kOvrStrTime = 1,
+ kOvrStrBoth = 2
+} OvrStrType;
+
+static const UDateFormatField kDateFields[] = {
+ UDAT_YEAR_FIELD,
+ UDAT_MONTH_FIELD,
+ UDAT_DATE_FIELD,
+ UDAT_DAY_OF_YEAR_FIELD,
+ UDAT_DAY_OF_WEEK_IN_MONTH_FIELD,
+ UDAT_WEEK_OF_YEAR_FIELD,
+ UDAT_WEEK_OF_MONTH_FIELD,
+ UDAT_YEAR_WOY_FIELD,
+ UDAT_EXTENDED_YEAR_FIELD,
+ UDAT_JULIAN_DAY_FIELD,
+ UDAT_STANDALONE_DAY_FIELD,
+ UDAT_STANDALONE_MONTH_FIELD,
+ UDAT_QUARTER_FIELD,
+ UDAT_STANDALONE_QUARTER_FIELD,
+ UDAT_YEAR_NAME_FIELD,
+ UDAT_RELATED_YEAR_FIELD };
+static const int8_t kDateFieldsCount = 16;
+
+static const UDateFormatField kTimeFields[] = {
+ UDAT_HOUR_OF_DAY1_FIELD,
+ UDAT_HOUR_OF_DAY0_FIELD,
+ UDAT_MINUTE_FIELD,
+ UDAT_SECOND_FIELD,
+ UDAT_FRACTIONAL_SECOND_FIELD,
+ UDAT_HOUR1_FIELD,
+ UDAT_HOUR0_FIELD,
+ UDAT_MILLISECONDS_IN_DAY_FIELD,
+ UDAT_TIMEZONE_RFC_FIELD,
+ UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD };
+static const int8_t kTimeFieldsCount = 10;
+
+
+// This is a pattern-of-last-resort used when we can't load a usable pattern out
+// of a resource.
+static const char16_t gDefaultPattern[] =
+{
+ 0x79, 0x4D, 0x4D, 0x64, 0x64, 0x20, 0x68, 0x68, 0x3A, 0x6D, 0x6D, 0x20, 0x61, 0
+}; /* "yMMdd hh:mm a" */
+
+// This prefix is designed to NEVER MATCH real text, in order to
+// suppress the parsing of negative numbers. Adjust as needed (if
+// this becomes valid Unicode).
+static const char16_t SUPPRESS_NEGATIVE_PREFIX[] = {0xAB00, 0};
+
+/**
+ * These are the tags we expect to see in normal resource bundle files associated
+ * with a locale.
+ */
+static const char16_t QUOTE = 0x27; // Single quote
+
+/*
+ * The field range check bias for each UDateFormatField.
+ * The bias is added to the minimum and maximum values
+ * before they are compared to the parsed number.
+ * For example, the calendar stores zero-based month numbers
+ * but the parsed month numbers start at 1, so the bias is 1.
+ *
+ * A value of -1 means that the value is not checked.
+ */
+static const int32_t gFieldRangeBias[] = {
+ -1, // 'G' - UDAT_ERA_FIELD
+ -1, // 'y' - UDAT_YEAR_FIELD
+ 1, // 'M' - UDAT_MONTH_FIELD
+ 0, // 'd' - UDAT_DATE_FIELD
+ -1, // 'k' - UDAT_HOUR_OF_DAY1_FIELD
+ -1, // 'H' - UDAT_HOUR_OF_DAY0_FIELD
+ 0, // 'm' - UDAT_MINUTE_FIELD
+ 0, // 's' - UDAT_SECOND_FIELD
+ -1, // 'S' - UDAT_FRACTIONAL_SECOND_FIELD (0-999?)
+ -1, // 'E' - UDAT_DAY_OF_WEEK_FIELD (1-7?)
+ -1, // 'D' - UDAT_DAY_OF_YEAR_FIELD (1 - 366?)
+ -1, // 'F' - UDAT_DAY_OF_WEEK_IN_MONTH_FIELD (1-5?)
+ -1, // 'w' - UDAT_WEEK_OF_YEAR_FIELD (1-52?)
+ -1, // 'W' - UDAT_WEEK_OF_MONTH_FIELD (1-5?)
+ -1, // 'a' - UDAT_AM_PM_FIELD
+ -1, // 'h' - UDAT_HOUR1_FIELD
+ -1, // 'K' - UDAT_HOUR0_FIELD
+ -1, // 'z' - UDAT_TIMEZONE_FIELD
+ -1, // 'Y' - UDAT_YEAR_WOY_FIELD
+ -1, // 'e' - UDAT_DOW_LOCAL_FIELD
+ -1, // 'u' - UDAT_EXTENDED_YEAR_FIELD
+ -1, // 'g' - UDAT_JULIAN_DAY_FIELD
+ -1, // 'A' - UDAT_MILLISECONDS_IN_DAY_FIELD
+ -1, // 'Z' - UDAT_TIMEZONE_RFC_FIELD
+ -1, // 'v' - UDAT_TIMEZONE_GENERIC_FIELD
+ 0, // 'c' - UDAT_STANDALONE_DAY_FIELD
+ 1, // 'L' - UDAT_STANDALONE_MONTH_FIELD
+ -1, // 'Q' - UDAT_QUARTER_FIELD (1-4?)
+ -1, // 'q' - UDAT_STANDALONE_QUARTER_FIELD
+ -1, // 'V' - UDAT_TIMEZONE_SPECIAL_FIELD
+ -1, // 'U' - UDAT_YEAR_NAME_FIELD
+ -1, // 'O' - UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD
+ -1, // 'X' - UDAT_TIMEZONE_ISO_FIELD
+ -1, // 'x' - UDAT_TIMEZONE_ISO_LOCAL_FIELD
+ -1, // 'r' - UDAT_RELATED_YEAR_FIELD
+#if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR
+ -1, // ':' - UDAT_TIME_SEPARATOR_FIELD
+#else
+ -1, // (no pattern character currently) - UDAT_TIME_SEPARATOR_FIELD
+#endif
+};
+
+// When calendar uses hebr numbering (i.e. he@calendar=hebrew),
+// offset the years within the current millennium down to 1-999
+static const int32_t HEBREW_CAL_CUR_MILLENIUM_START_YEAR = 5000;
+static const int32_t HEBREW_CAL_CUR_MILLENIUM_END_YEAR = 6000;
+
+/**
+ * Maximum range for detecting daylight offset of a time zone when parsed time zone
+ * string indicates it's daylight saving time, but the detected time zone does not
+ * observe daylight saving time at the parsed date.
+ */
+static const double MAX_DAYLIGHT_DETECTION_RANGE = 30*365*24*60*60*1000.0;
+
+static UMutex LOCK;
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleDateFormat)
+
+SimpleDateFormat::NSOverride::~NSOverride() {
+ if (snf != nullptr) {
+ snf->removeRef();
+ }
+}
+
+
+void SimpleDateFormat::NSOverride::free() {
+ NSOverride *cur = this;
+ while (cur) {
+ NSOverride *next_temp = cur->next;
+ delete cur;
+ cur = next_temp;
+ }
+}
+
+// no matter what the locale's default number format looked like, we want
+// to modify it so that it doesn't use thousands separators, doesn't always
+// show the decimal point, and recognizes integers only when parsing
+static void fixNumberFormatForDates(NumberFormat &nf) {
+ nf.setGroupingUsed(false);
+ DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(&nf);
+ if (decfmt != nullptr) {
+ decfmt->setDecimalSeparatorAlwaysShown(false);
+ }
+ nf.setParseIntegerOnly(true);
+ nf.setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00"
+}
+
+static const SharedNumberFormat *createSharedNumberFormat(
+ NumberFormat *nfToAdopt) {
+ fixNumberFormatForDates(*nfToAdopt);
+ const SharedNumberFormat *result = new SharedNumberFormat(nfToAdopt);
+ if (result == nullptr) {
+ delete nfToAdopt;
+ }
+ return result;
+}
+
+static const SharedNumberFormat *createSharedNumberFormat(
+ const Locale &loc, UErrorCode &status) {
+ NumberFormat *nf = NumberFormat::createInstance(loc, status);
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
+ const SharedNumberFormat *result = createSharedNumberFormat(nf);
+ if (result == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ }
+ return result;
+}
+
+static const SharedNumberFormat **allocSharedNumberFormatters() {
+ const SharedNumberFormat **result = (const SharedNumberFormat**)
+ uprv_malloc(UDAT_FIELD_COUNT * sizeof(const SharedNumberFormat*));
+ if (result == nullptr) {
+ return nullptr;
+ }
+ for (int32_t i = 0; i < UDAT_FIELD_COUNT; ++i) {
+ result[i] = nullptr;
+ }
+ return result;
+}
+
+static void freeSharedNumberFormatters(const SharedNumberFormat ** list) {
+ for (int32_t i = 0; i < UDAT_FIELD_COUNT; ++i) {
+ SharedObject::clearPtr(list[i]);
+ }
+ uprv_free(list);
+}
+
+const NumberFormat *SimpleDateFormat::getNumberFormatByIndex(
+ UDateFormatField index) const {
+ if (fSharedNumberFormatters == nullptr ||
+ fSharedNumberFormatters[index] == nullptr) {
+ return fNumberFormat;
+ }
+ return &(**fSharedNumberFormatters[index]);
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::~SimpleDateFormat()
+{
+ delete fSymbols;
+ if (fSharedNumberFormatters) {
+ freeSharedNumberFormatters(fSharedNumberFormatters);
+ }
+ if (fTimeZoneFormat) {
+ delete fTimeZoneFormat;
+ }
+ delete fSimpleNumberFormatter;
+
+#if !UCONFIG_NO_BREAK_ITERATION
+ delete fCapitalizationBrkIter;
+#endif
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(UErrorCode& status)
+ : fLocale(Locale::getDefault())
+{
+ initializeBooleanAttributes();
+ construct(kShort, (EStyle) (kShort + kDateOffset), fLocale, status);
+ initializeDefaultCentury();
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
+ UErrorCode &status)
+: fPattern(pattern),
+ fLocale(Locale::getDefault())
+{
+ fDateOverride.setToBogus();
+ fTimeOverride.setToBogus();
+ initializeBooleanAttributes();
+ initializeCalendar(nullptr,fLocale,status);
+ fSymbols = DateFormatSymbols::createForLocale(fLocale, status);
+ initialize(fLocale, status);
+ initializeDefaultCentury();
+
+}
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
+ const UnicodeString& override,
+ UErrorCode &status)
+: fPattern(pattern),
+ fLocale(Locale::getDefault())
+{
+ fDateOverride.setTo(override);
+ fTimeOverride.setToBogus();
+ initializeBooleanAttributes();
+ initializeCalendar(nullptr,fLocale,status);
+ fSymbols = DateFormatSymbols::createForLocale(fLocale, status);
+ initialize(fLocale, status);
+ initializeDefaultCentury();
+
+ processOverrideString(fLocale,override,kOvrStrBoth,status);
+
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
+ const Locale& locale,
+ UErrorCode& status)
+: fPattern(pattern),
+ fLocale(locale)
+{
+
+ fDateOverride.setToBogus();
+ fTimeOverride.setToBogus();
+ initializeBooleanAttributes();
+
+ initializeCalendar(nullptr,fLocale,status);
+ fSymbols = DateFormatSymbols::createForLocale(fLocale, status);
+ initialize(fLocale, status);
+ initializeDefaultCentury();
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
+ const UnicodeString& override,
+ const Locale& locale,
+ UErrorCode& status)
+: fPattern(pattern),
+ fLocale(locale)
+{
+
+ fDateOverride.setTo(override);
+ fTimeOverride.setToBogus();
+ initializeBooleanAttributes();
+
+ initializeCalendar(nullptr,fLocale,status);
+ fSymbols = DateFormatSymbols::createForLocale(fLocale, status);
+ initialize(fLocale, status);
+ initializeDefaultCentury();
+
+ processOverrideString(locale,override,kOvrStrBoth,status);
+
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
+ DateFormatSymbols* symbolsToAdopt,
+ UErrorCode& status)
+: fPattern(pattern),
+ fLocale(Locale::getDefault()),
+ fSymbols(symbolsToAdopt)
+{
+
+ fDateOverride.setToBogus();
+ fTimeOverride.setToBogus();
+ initializeBooleanAttributes();
+
+ initializeCalendar(nullptr,fLocale,status);
+ initialize(fLocale, status);
+ initializeDefaultCentury();
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
+ const DateFormatSymbols& symbols,
+ UErrorCode& status)
+: fPattern(pattern),
+ fLocale(Locale::getDefault()),
+ fSymbols(new DateFormatSymbols(symbols))
+{
+
+ fDateOverride.setToBogus();
+ fTimeOverride.setToBogus();
+ initializeBooleanAttributes();
+
+ initializeCalendar(nullptr, fLocale, status);
+ initialize(fLocale, status);
+ initializeDefaultCentury();
+}
+
+//----------------------------------------------------------------------
+
+// Not for public consumption; used by DateFormat
+SimpleDateFormat::SimpleDateFormat(EStyle timeStyle,
+ EStyle dateStyle,
+ const Locale& locale,
+ UErrorCode& status)
+: fLocale(locale)
+{
+ initializeBooleanAttributes();
+ construct(timeStyle, dateStyle, fLocale, status);
+ if(U_SUCCESS(status)) {
+ initializeDefaultCentury();
+ }
+}
+
+//----------------------------------------------------------------------
+
+/**
+ * Not for public consumption; used by DateFormat. This constructor
+ * never fails. If the resource data is not available, it uses the
+ * the last resort symbols.
+ */
+SimpleDateFormat::SimpleDateFormat(const Locale& locale,
+ UErrorCode& status)
+: fPattern(gDefaultPattern),
+ fLocale(locale)
+{
+ if (U_FAILURE(status)) return;
+ initializeBooleanAttributes();
+ initializeCalendar(nullptr, fLocale, status);
+ fSymbols = DateFormatSymbols::createForLocale(fLocale, status);
+ if (U_FAILURE(status))
+ {
+ status = U_ZERO_ERROR;
+ delete fSymbols;
+ // This constructor doesn't fail; it uses last resort data
+ fSymbols = new DateFormatSymbols(status);
+ /* test for nullptr */
+ if (fSymbols == 0) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+ }
+
+ fDateOverride.setToBogus();
+ fTimeOverride.setToBogus();
+
+ initialize(fLocale, status);
+ if(U_SUCCESS(status)) {
+ initializeDefaultCentury();
+ }
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(const SimpleDateFormat& other)
+: DateFormat(other),
+ fLocale(other.fLocale)
+{
+ initializeBooleanAttributes();
+ *this = other;
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat& SimpleDateFormat::operator=(const SimpleDateFormat& other)
+{
+ if (this == &other) {
+ return *this;
+ }
+
+ // fSimpleNumberFormatter references fNumberFormatter, delete it
+ // before we call the = operator which may invalidate fNumberFormatter
+ delete fSimpleNumberFormatter;
+ fSimpleNumberFormatter = nullptr;
+
+ DateFormat::operator=(other);
+ fDateOverride = other.fDateOverride;
+ fTimeOverride = other.fTimeOverride;
+
+ delete fSymbols;
+ fSymbols = nullptr;
+
+ if (other.fSymbols)
+ fSymbols = new DateFormatSymbols(*other.fSymbols);
+
+ fDefaultCenturyStart = other.fDefaultCenturyStart;
+ fDefaultCenturyStartYear = other.fDefaultCenturyStartYear;
+ fHaveDefaultCentury = other.fHaveDefaultCentury;
+
+ fPattern = other.fPattern;
+ fHasMinute = other.fHasMinute;
+ fHasSecond = other.fHasSecond;
+
+ fLocale = other.fLocale;
+
+ // TimeZoneFormat can now be set independently via setter.
+ // If it is nullptr, it will be lazily initialized from locale.
+ delete fTimeZoneFormat;
+ fTimeZoneFormat = nullptr;
+ TimeZoneFormat *otherTZFormat;
+ {
+ // Synchronization is required here, when accessing other.fTimeZoneFormat,
+ // because another thread may be concurrently executing other.tzFormat(),
+ // a logically const function that lazily creates other.fTimeZoneFormat.
+ //
+ // Without synchronization, reordered memory writes could allow us
+ // to see a non-null fTimeZoneFormat before the object itself was
+ // fully initialized. In case of a race, it doesn't matter whether
+ // we see a null or a fully initialized other.fTimeZoneFormat,
+ // only that we avoid seeing a partially initialized object.
+ //
+ // Once initialized, no const function can modify fTimeZoneFormat,
+ // meaning that once we have safely grabbed the other.fTimeZoneFormat
+ // pointer, continued synchronization is not required to use it.
+ Mutex m(&LOCK);
+ otherTZFormat = other.fTimeZoneFormat;
+ }
+ if (otherTZFormat) {
+ fTimeZoneFormat = new TimeZoneFormat(*otherTZFormat);
+ }
+
+#if !UCONFIG_NO_BREAK_ITERATION
+ if (other.fCapitalizationBrkIter != nullptr) {
+ fCapitalizationBrkIter = (other.fCapitalizationBrkIter)->clone();
+ }
+#endif
+
+ if (fSharedNumberFormatters != nullptr) {
+ freeSharedNumberFormatters(fSharedNumberFormatters);
+ fSharedNumberFormatters = nullptr;
+ }
+ if (other.fSharedNumberFormatters != nullptr) {
+ fSharedNumberFormatters = allocSharedNumberFormatters();
+ if (fSharedNumberFormatters) {
+ for (int32_t i = 0; i < UDAT_FIELD_COUNT; ++i) {
+ SharedObject::copyPtr(
+ other.fSharedNumberFormatters[i],
+ fSharedNumberFormatters[i]);
+ }
+ }
+ }
+
+ UErrorCode localStatus = U_ZERO_ERROR;
+ // SimpleNumberFormatter does not have a copy constructor. Furthermore,
+ // it references data from an internal field, fNumberFormatter,
+ // so we must rematerialize that reference after copying over the number formatter.
+ initSimpleNumberFormatter(localStatus);
+ return *this;
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat*
+SimpleDateFormat::clone() const
+{
+ return new SimpleDateFormat(*this);
+}
+
+//----------------------------------------------------------------------
+
+bool
+SimpleDateFormat::operator==(const Format& other) const
+{
+ if (DateFormat::operator==(other)) {
+ // The DateFormat::operator== check for fCapitalizationContext equality above
+ // is sufficient to check equality of all derived context-related data.
+ // DateFormat::operator== guarantees following cast is safe
+ SimpleDateFormat* that = (SimpleDateFormat*)&other;
+ return (fPattern == that->fPattern &&
+ fSymbols != nullptr && // Check for pathological object
+ that->fSymbols != nullptr && // Check for pathological object
+ *fSymbols == *that->fSymbols &&
+ fHaveDefaultCentury == that->fHaveDefaultCentury &&
+ fDefaultCenturyStart == that->fDefaultCenturyStart);
+ }
+ return false;
+}
+
+//----------------------------------------------------------------------
+static const char16_t* timeSkeletons[4] = {
+ u"jmmsszzzz", // kFull
+ u"jmmssz", // kLong
+ u"jmmss", // kMedium
+ u"jmm", // kShort
+};
+
+void SimpleDateFormat::construct(EStyle timeStyle,
+ EStyle dateStyle,
+ const Locale& locale,
+ UErrorCode& status)
+{
+ // called by several constructors to load pattern data from the resources
+ if (U_FAILURE(status)) return;
+
+ // We will need the calendar to know what type of symbols to load.
+ initializeCalendar(nullptr, locale, status);
+ if (U_FAILURE(status)) return;
+
+ // Load date time patterns directly from resources.
+ const char* cType = fCalendar ? fCalendar->getType() : nullptr;
+ LocalUResourceBundlePointer bundle(ures_open(nullptr, locale.getBaseName(), &status));
+ if (U_FAILURE(status)) return;
+
+ UBool cTypeIsGregorian = true;
+ LocalUResourceBundlePointer dateTimePatterns;
+ if (cType != nullptr && uprv_strcmp(cType, "gregorian") != 0) {
+ CharString resourcePath("calendar/", status);
+ resourcePath.append(cType, status).append("/DateTimePatterns", status);
+ dateTimePatterns.adoptInstead(
+ ures_getByKeyWithFallback(bundle.getAlias(), resourcePath.data(),
+ (UResourceBundle*)nullptr, &status));
+ cTypeIsGregorian = false;
+ }
+
+ // Check for "gregorian" fallback.
+ if (cTypeIsGregorian || status == U_MISSING_RESOURCE_ERROR) {
+ status = U_ZERO_ERROR;
+ dateTimePatterns.adoptInstead(
+ ures_getByKeyWithFallback(bundle.getAlias(),
+ "calendar/gregorian/DateTimePatterns",
+ (UResourceBundle*)nullptr, &status));
+ }
+ if (U_FAILURE(status)) return;
+
+ LocalUResourceBundlePointer currentBundle;
+
+ if (ures_getSize(dateTimePatterns.getAlias()) <= kDateTime)
+ {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+
+ setLocaleIDs(ures_getLocaleByType(dateTimePatterns.getAlias(), ULOC_VALID_LOCALE, &status),
+ ures_getLocaleByType(dateTimePatterns.getAlias(), ULOC_ACTUAL_LOCALE, &status));
+
+ // create a symbols object from the locale
+ fSymbols = DateFormatSymbols::createForLocale(locale, status);
+ if (U_FAILURE(status)) return;
+ /* test for nullptr */
+ if (fSymbols == 0) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+
+ const char16_t *resStr,*ovrStr;
+ int32_t resStrLen,ovrStrLen = 0;
+ fDateOverride.setToBogus();
+ fTimeOverride.setToBogus();
+
+ UnicodeString timePattern;
+ if (timeStyle >= kFull && timeStyle <= kShort) {
+ const char* baseLocID = locale.getBaseName();
+ if (baseLocID[0]!=0 && uprv_strcmp(baseLocID,"und")!=0) {
+ UErrorCode useStatus = U_ZERO_ERROR;
+ Locale baseLoc(baseLocID);
+ Locale validLoc(getLocale(ULOC_VALID_LOCALE, useStatus));
+ if (U_SUCCESS(useStatus) && validLoc!=baseLoc) {
+ bool useDTPG = false;
+ const char* baseReg = baseLoc.getCountry(); // empty string if no region
+ if ((baseReg[0]!=0 && uprv_strncmp(baseReg,validLoc.getCountry(),ULOC_COUNTRY_CAPACITY)!=0)
+ || uprv_strncmp(baseLoc.getLanguage(),validLoc.getLanguage(),ULOC_LANG_CAPACITY)!=0) {
+ // use DTPG if
+ // * baseLoc has a region and validLoc does not have the same one (or has none), OR
+ // * validLoc has a different language code than baseLoc
+ useDTPG = true;
+ }
+ if (useDTPG) {
+ // The standard time formats may have the wrong time cycle, because:
+ // the valid locale differs in important ways (region, language) from
+ // the base locale.
+ // We could *also* check whether they do actually have a mismatch with
+ // the time cycle preferences for the region, but that is a lot more
+ // work for little or no additional benefit, since just going ahead
+ // and always synthesizing the time format as per the following should
+ // create a locale-appropriate pattern with cycle that matches the
+ // region preferences anyway.
+ LocalPointer<DateTimePatternGenerator> dtpg(DateTimePatternGenerator::createInstanceNoStdPat(locale, useStatus));
+ if (U_SUCCESS(useStatus)) {
+ UnicodeString timeSkeleton(true, timeSkeletons[timeStyle], -1);
+ timePattern = dtpg->getBestPattern(timeSkeleton, useStatus);
+ }
+ }
+ }
+ }
+ }
+
+ // if the pattern should include both date and time information, use the date/time
+ // pattern string as a guide to tell use how to glue together the appropriate date
+ // and time pattern strings.
+ if ((timeStyle != kNone) && (dateStyle != kNone))
+ {
+ UnicodeString tempus1(timePattern);
+ if (tempus1.length() == 0) {
+ currentBundle.adoptInstead(
+ ures_getByIndex(dateTimePatterns.getAlias(), (int32_t)timeStyle, nullptr, &status));
+ if (U_FAILURE(status)) {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ switch (ures_getType(currentBundle.getAlias())) {
+ case URES_STRING: {
+ resStr = ures_getString(currentBundle.getAlias(), &resStrLen, &status);
+ break;
+ }
+ case URES_ARRAY: {
+ resStr = ures_getStringByIndex(currentBundle.getAlias(), 0, &resStrLen, &status);
+ ovrStr = ures_getStringByIndex(currentBundle.getAlias(), 1, &ovrStrLen, &status);
+ fTimeOverride.setTo(true, ovrStr, ovrStrLen);
+ break;
+ }
+ default: {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ }
+
+ tempus1.setTo(true, resStr, resStrLen);
+ }
+
+ currentBundle.adoptInstead(
+ ures_getByIndex(dateTimePatterns.getAlias(), (int32_t)dateStyle, nullptr, &status));
+ if (U_FAILURE(status)) {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ switch (ures_getType(currentBundle.getAlias())) {
+ case URES_STRING: {
+ resStr = ures_getString(currentBundle.getAlias(), &resStrLen, &status);
+ break;
+ }
+ case URES_ARRAY: {
+ resStr = ures_getStringByIndex(currentBundle.getAlias(), 0, &resStrLen, &status);
+ ovrStr = ures_getStringByIndex(currentBundle.getAlias(), 1, &ovrStrLen, &status);
+ fDateOverride.setTo(true, ovrStr, ovrStrLen);
+ break;
+ }
+ default: {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ }
+
+ UnicodeString tempus2(true, resStr, resStrLen);
+
+ // Currently, for compatibility with pre-CLDR-42 data, we default to the "atTime"
+ // combining patterns. Depending on guidance in CLDR 42 spec and on DisplayOptions,
+ // we may change this.
+ LocalUResourceBundlePointer dateAtTimePatterns;
+ if (!cTypeIsGregorian) {
+ CharString resourcePath("calendar/", status);
+ resourcePath.append(cType, status).append("/DateTimePatterns%atTime", status);
+ dateAtTimePatterns.adoptInstead(
+ ures_getByKeyWithFallback(bundle.getAlias(), resourcePath.data(),
+ nullptr, &status));
+ }
+ if (cTypeIsGregorian || status == U_MISSING_RESOURCE_ERROR) {
+ status = U_ZERO_ERROR;
+ dateAtTimePatterns.adoptInstead(
+ ures_getByKeyWithFallback(bundle.getAlias(),
+ "calendar/gregorian/DateTimePatterns%atTime",
+ nullptr, &status));
+ }
+ if (U_SUCCESS(status) && ures_getSize(dateAtTimePatterns.getAlias()) >= 4) {
+ resStr = ures_getStringByIndex(dateAtTimePatterns.getAlias(), dateStyle - kDateOffset, &resStrLen, &status);
+ } else {
+ status = U_ZERO_ERROR;
+ int32_t glueIndex = kDateTime;
+ int32_t patternsSize = ures_getSize(dateTimePatterns.getAlias());
+ if (patternsSize >= (kDateTimeOffset + kShort + 1)) {
+ // Get proper date time format
+ glueIndex = (int32_t)(kDateTimeOffset + (dateStyle - kDateOffset));
+ }
+
+ resStr = ures_getStringByIndex(dateTimePatterns.getAlias(), glueIndex, &resStrLen, &status);
+ }
+ SimpleFormatter(UnicodeString(true, resStr, resStrLen), 2, 2, status).
+ format(tempus1, tempus2, fPattern, status);
+ }
+ // if the pattern includes just time data or just date date, load the appropriate
+ // pattern string from the resources
+ // setTo() - see DateFormatSymbols::assignArray comments
+ else if (timeStyle != kNone) {
+ fPattern.setTo(timePattern);
+ if (fPattern.length() == 0) {
+ currentBundle.adoptInstead(
+ ures_getByIndex(dateTimePatterns.getAlias(), (int32_t)timeStyle, nullptr, &status));
+ if (U_FAILURE(status)) {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ switch (ures_getType(currentBundle.getAlias())) {
+ case URES_STRING: {
+ resStr = ures_getString(currentBundle.getAlias(), &resStrLen, &status);
+ break;
+ }
+ case URES_ARRAY: {
+ resStr = ures_getStringByIndex(currentBundle.getAlias(), 0, &resStrLen, &status);
+ ovrStr = ures_getStringByIndex(currentBundle.getAlias(), 1, &ovrStrLen, &status);
+ fDateOverride.setTo(true, ovrStr, ovrStrLen);
+ break;
+ }
+ default: {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ }
+ fPattern.setTo(true, resStr, resStrLen);
+ }
+ }
+ else if (dateStyle != kNone) {
+ currentBundle.adoptInstead(
+ ures_getByIndex(dateTimePatterns.getAlias(), (int32_t)dateStyle, nullptr, &status));
+ if (U_FAILURE(status)) {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ switch (ures_getType(currentBundle.getAlias())) {
+ case URES_STRING: {
+ resStr = ures_getString(currentBundle.getAlias(), &resStrLen, &status);
+ break;
+ }
+ case URES_ARRAY: {
+ resStr = ures_getStringByIndex(currentBundle.getAlias(), 0, &resStrLen, &status);
+ ovrStr = ures_getStringByIndex(currentBundle.getAlias(), 1, &ovrStrLen, &status);
+ fDateOverride.setTo(true, ovrStr, ovrStrLen);
+ break;
+ }
+ default: {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ }
+ fPattern.setTo(true, resStr, resStrLen);
+ }
+
+ // and if it includes _neither_, that's an error
+ else
+ status = U_INVALID_FORMAT_ERROR;
+
+ // finally, finish initializing by creating a Calendar and a NumberFormat
+ initialize(locale, status);
+}
+
+//----------------------------------------------------------------------
+
+Calendar*
+SimpleDateFormat::initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status)
+{
+ if(!U_FAILURE(status)) {
+ fCalendar = Calendar::createInstance(
+ adoptZone ? adoptZone : TimeZone::forLocaleOrDefault(locale), locale, status);
+ }
+ return fCalendar;
+}
+
+void
+SimpleDateFormat::initialize(const Locale& locale,
+ UErrorCode& status)
+{
+ if (U_FAILURE(status)) return;
+
+ parsePattern(); // Need this before initNumberFormatters(), to set fHasHanYearChar
+
+ // Simple-minded hack to force Gannen year numbering for ja@calendar=japanese
+ // if format is non-numeric (includes 年) and fDateOverride is not already specified.
+ // Now this does get updated if applyPattern subsequently changes the pattern type.
+ if (fDateOverride.isBogus() && fHasHanYearChar &&
+ fCalendar != nullptr && uprv_strcmp(fCalendar->getType(),"japanese") == 0 &&
+ uprv_strcmp(fLocale.getLanguage(),"ja") == 0) {
+ fDateOverride.setTo(u"y=jpanyear", -1);
+ }
+
+ // We don't need to check that the row count is >= 1, since all 2d arrays have at
+ // least one row
+ fNumberFormat = NumberFormat::createInstance(locale, status);
+ if (fNumberFormat != nullptr && U_SUCCESS(status))
+ {
+ fixNumberFormatForDates(*fNumberFormat);
+ //fNumberFormat->setLenient(true); // Java uses a custom DateNumberFormat to format/parse
+
+ initNumberFormatters(locale, status);
+ initSimpleNumberFormatter(status);
+
+ }
+ else if (U_SUCCESS(status))
+ {
+ status = U_MISSING_RESOURCE_ERROR;
+ }
+}
+
+/* Initialize the fields we use to disambiguate ambiguous years. Separate
+ * so we can call it from readObject().
+ */
+void SimpleDateFormat::initializeDefaultCentury()
+{
+ if(fCalendar) {
+ fHaveDefaultCentury = fCalendar->haveDefaultCentury();
+ if(fHaveDefaultCentury) {
+ fDefaultCenturyStart = fCalendar->defaultCenturyStart();
+ fDefaultCenturyStartYear = fCalendar->defaultCenturyStartYear();
+ } else {
+ fDefaultCenturyStart = DBL_MIN;
+ fDefaultCenturyStartYear = -1;
+ }
+ }
+}
+
+/*
+ * Initialize the boolean attributes. Separate so we can call it from all constructors.
+ */
+void SimpleDateFormat::initializeBooleanAttributes()
+{
+ UErrorCode status = U_ZERO_ERROR;
+
+ setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status);
+ setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status);
+ setBooleanAttribute(UDAT_PARSE_PARTIAL_LITERAL_MATCH, true, status);
+ setBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, true, status);
+}
+
+/* Define one-century window into which to disambiguate dates using
+ * two-digit years. Make public in JDK 1.2.
+ */
+void SimpleDateFormat::parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status)
+{
+ if(U_FAILURE(status)) {
+ return;
+ }
+ if(!fCalendar) {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return;
+ }
+
+ fCalendar->setTime(startDate, status);
+ if(U_SUCCESS(status)) {
+ fHaveDefaultCentury = true;
+ fDefaultCenturyStart = startDate;
+ fDefaultCenturyStartYear = fCalendar->get(UCAL_YEAR, status);
+ }
+}
+
+//----------------------------------------------------------------------
+
+UnicodeString&
+SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo, FieldPosition& pos) const
+{
+ UErrorCode status = U_ZERO_ERROR;
+ FieldPositionOnlyHandler handler(pos);
+ return _format(cal, appendTo, handler, status);
+}
+
+//----------------------------------------------------------------------
+
+UnicodeString&
+SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo,
+ FieldPositionIterator* posIter, UErrorCode& status) const
+{
+ FieldPositionIteratorHandler handler(posIter, status);
+ return _format(cal, appendTo, handler, status);
+}
+
+//----------------------------------------------------------------------
+
+UnicodeString&
+SimpleDateFormat::_format(Calendar& cal, UnicodeString& appendTo,
+ FieldPositionHandler& handler, UErrorCode& status) const
+{
+ if ( U_FAILURE(status) ) {
+ return appendTo;
+ }
+ Calendar* workCal = &cal;
+ Calendar* calClone = nullptr;
+ if (&cal != fCalendar && uprv_strcmp(cal.getType(), fCalendar->getType()) != 0) {
+ // Different calendar type
+ // We use the time and time zone from the input calendar, but
+ // do not use the input calendar for field calculation.
+ calClone = fCalendar->clone();
+ if (calClone != nullptr) {
+ UDate t = cal.getTime(status);
+ calClone->setTime(t, status);
+ calClone->setTimeZone(cal.getTimeZone());
+ workCal = calClone;
+ } else {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return appendTo;
+ }
+ }
+
+ UBool inQuote = false;
+ char16_t prevCh = 0;
+ int32_t count = 0;
+ int32_t fieldNum = 0;
+ UDisplayContext capitalizationContext = getContext(UDISPCTX_TYPE_CAPITALIZATION, status);
+
+ // loop through the pattern string character by character
+ for (int32_t i = 0; i < fPattern.length() && U_SUCCESS(status); ++i) {
+ char16_t ch = fPattern[i];
+
+ // Use subFormat() to format a repeated pattern character
+ // when a different pattern or non-pattern character is seen
+ if (ch != prevCh && count > 0) {
+ subFormat(appendTo, prevCh, count, capitalizationContext, fieldNum++,
+ prevCh, handler, *workCal, status);
+ count = 0;
+ }
+ if (ch == QUOTE) {
+ // Consecutive single quotes are a single quote literal,
+ // either outside of quotes or between quotes
+ if ((i+1) < fPattern.length() && fPattern[i+1] == QUOTE) {
+ appendTo += (char16_t)QUOTE;
+ ++i;
+ } else {
+ inQuote = ! inQuote;
+ }
+ }
+ else if (!inQuote && isSyntaxChar(ch)) {
+ // ch is a date-time pattern character to be interpreted
+ // by subFormat(); count the number of times it is repeated
+ prevCh = ch;
+ ++count;
+ }
+ else {
+ // Append quoted characters and unquoted non-pattern characters
+ appendTo += ch;
+ }
+ }
+
+ // Format the last item in the pattern, if any
+ if (count > 0) {
+ subFormat(appendTo, prevCh, count, capitalizationContext, fieldNum++,
+ prevCh, handler, *workCal, status);
+ }
+
+ if (calClone != nullptr) {
+ delete calClone;
+ }
+
+ return appendTo;
+}
+
+//----------------------------------------------------------------------
+
+/* Map calendar field into calendar field level.
+ * the larger the level, the smaller the field unit.
+ * For example, UCAL_ERA level is 0, UCAL_YEAR level is 10,
+ * UCAL_MONTH level is 20.
+ * NOTE: if new fields adds in, the table needs to update.
+ */
+const int32_t
+SimpleDateFormat::fgCalendarFieldToLevel[] =
+{
+ /*GyM*/ 0, 10, 20,
+ /*wW*/ 20, 30,
+ /*dDEF*/ 30, 20, 30, 30,
+ /*ahHm*/ 40, 50, 50, 60,
+ /*sS*/ 70, 80,
+ /*z?Y*/ 0, 0, 10,
+ /*eug*/ 30, 10, 0,
+ /*A?.*/ 40, 0, 0
+};
+
+int32_t SimpleDateFormat::getLevelFromChar(char16_t ch) {
+ // Map date field LETTER into calendar field level.
+ // the larger the level, the smaller the field unit.
+ // NOTE: if new fields adds in, the table needs to update.
+ static const int32_t mapCharToLevel[] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ //
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ // ! " # $ % & ' ( ) * + , - . /
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+#if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR
+ // 0 1 2 3 4 5 6 7 8 9 : ; < = > ?
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, -1, -1, -1, -1, -1,
+#else
+ // 0 1 2 3 4 5 6 7 8 9 : ; < = > ?
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+#endif
+ // @ A B C D E F G H I J K L M N O
+ -1, 40, -1, -1, 20, 30, 30, 0, 50, -1, -1, 50, 20, 20, -1, 0,
+ // P Q R S T U V W X Y Z [ \ ] ^ _
+ -1, 20, -1, 80, -1, 10, 0, 30, 0, 10, 0, -1, -1, -1, -1, -1,
+ // ` a b c d e f g h i j k l m n o
+ -1, 40, -1, 30, 30, 30, -1, 0, 50, -1, -1, 50, 0, 60, -1, -1,
+ // p q r s t u v w x y z { | } ~
+ -1, 20, 10, 70, -1, 10, 0, 20, 0, 10, 0, -1, -1, -1, -1, -1
+ };
+
+ return ch < UPRV_LENGTHOF(mapCharToLevel) ? mapCharToLevel[ch] : -1;
+}
+
+UBool SimpleDateFormat::isSyntaxChar(char16_t ch) {
+ static const UBool mapCharToIsSyntax[] = {
+ //
+ false, false, false, false, false, false, false, false,
+ //
+ false, false, false, false, false, false, false, false,
+ //
+ false, false, false, false, false, false, false, false,
+ //
+ false, false, false, false, false, false, false, false,
+ // ! " # $ % & '
+ false, false, false, false, false, false, false, false,
+ // ( ) * + , - . /
+ false, false, false, false, false, false, false, false,
+ // 0 1 2 3 4 5 6 7
+ false, false, false, false, false, false, false, false,
+#if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR
+ // 8 9 : ; < = > ?
+ false, false, true, false, false, false, false, false,
+#else
+ // 8 9 : ; < = > ?
+ false, false, false, false, false, false, false, false,
+#endif
+ // @ A B C D E F G
+ false, true, true, true, true, true, true, true,
+ // H I J K L M N O
+ true, true, true, true, true, true, true, true,
+ // P Q R S T U V W
+ true, true, true, true, true, true, true, true,
+ // X Y Z [ \ ] ^ _
+ true, true, true, false, false, false, false, false,
+ // ` a b c d e f g
+ false, true, true, true, true, true, true, true,
+ // h i j k l m n o
+ true, true, true, true, true, true, true, true,
+ // p q r s t u v w
+ true, true, true, true, true, true, true, true,
+ // x y z { | } ~
+ true, true, true, false, false, false, false, false
+ };
+
+ return ch < UPRV_LENGTHOF(mapCharToIsSyntax) ? mapCharToIsSyntax[ch] : false;
+}
+
+// Map index into pattern character string to Calendar field number.
+const UCalendarDateFields
+SimpleDateFormat::fgPatternIndexToCalendarField[] =
+{
+ /*GyM*/ UCAL_ERA, UCAL_YEAR, UCAL_MONTH,
+ /*dkH*/ UCAL_DATE, UCAL_HOUR_OF_DAY, UCAL_HOUR_OF_DAY,
+ /*msS*/ UCAL_MINUTE, UCAL_SECOND, UCAL_MILLISECOND,
+ /*EDF*/ UCAL_DAY_OF_WEEK, UCAL_DAY_OF_YEAR, UCAL_DAY_OF_WEEK_IN_MONTH,
+ /*wWa*/ UCAL_WEEK_OF_YEAR, UCAL_WEEK_OF_MONTH, UCAL_AM_PM,
+ /*hKz*/ UCAL_HOUR, UCAL_HOUR, UCAL_ZONE_OFFSET,
+ /*Yeu*/ UCAL_YEAR_WOY, UCAL_DOW_LOCAL, UCAL_EXTENDED_YEAR,
+ /*gAZ*/ UCAL_JULIAN_DAY, UCAL_MILLISECONDS_IN_DAY, UCAL_ZONE_OFFSET,
+ /*v*/ UCAL_ZONE_OFFSET,
+ /*c*/ UCAL_DOW_LOCAL,
+ /*L*/ UCAL_MONTH,
+ /*Q*/ UCAL_MONTH,
+ /*q*/ UCAL_MONTH,
+ /*V*/ UCAL_ZONE_OFFSET,
+ /*U*/ UCAL_YEAR,
+ /*O*/ UCAL_ZONE_OFFSET,
+ /*Xx*/ UCAL_ZONE_OFFSET, UCAL_ZONE_OFFSET,
+ /*r*/ UCAL_EXTENDED_YEAR,
+ /*bB*/ UCAL_FIELD_COUNT, UCAL_FIELD_COUNT, // no mappings to calendar fields
+#if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR
+ /*:*/ UCAL_FIELD_COUNT, /* => no useful mapping to any calendar field */
+#else
+ /*no pattern char for UDAT_TIME_SEPARATOR_FIELD*/ UCAL_FIELD_COUNT, /* => no useful mapping to any calendar field */
+#endif
+};
+
+// Map index into pattern character string to DateFormat field number
+const UDateFormatField
+SimpleDateFormat::fgPatternIndexToDateFormatField[] = {
+ /*GyM*/ UDAT_ERA_FIELD, UDAT_YEAR_FIELD, UDAT_MONTH_FIELD,
+ /*dkH*/ UDAT_DATE_FIELD, UDAT_HOUR_OF_DAY1_FIELD, UDAT_HOUR_OF_DAY0_FIELD,
+ /*msS*/ UDAT_MINUTE_FIELD, UDAT_SECOND_FIELD, UDAT_FRACTIONAL_SECOND_FIELD,
+ /*EDF*/ UDAT_DAY_OF_WEEK_FIELD, UDAT_DAY_OF_YEAR_FIELD, UDAT_DAY_OF_WEEK_IN_MONTH_FIELD,
+ /*wWa*/ UDAT_WEEK_OF_YEAR_FIELD, UDAT_WEEK_OF_MONTH_FIELD, UDAT_AM_PM_FIELD,
+ /*hKz*/ UDAT_HOUR1_FIELD, UDAT_HOUR0_FIELD, UDAT_TIMEZONE_FIELD,
+ /*Yeu*/ UDAT_YEAR_WOY_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_EXTENDED_YEAR_FIELD,
+ /*gAZ*/ UDAT_JULIAN_DAY_FIELD, UDAT_MILLISECONDS_IN_DAY_FIELD, UDAT_TIMEZONE_RFC_FIELD,
+ /*v*/ UDAT_TIMEZONE_GENERIC_FIELD,
+ /*c*/ UDAT_STANDALONE_DAY_FIELD,
+ /*L*/ UDAT_STANDALONE_MONTH_FIELD,
+ /*Q*/ UDAT_QUARTER_FIELD,
+ /*q*/ UDAT_STANDALONE_QUARTER_FIELD,
+ /*V*/ UDAT_TIMEZONE_SPECIAL_FIELD,
+ /*U*/ UDAT_YEAR_NAME_FIELD,
+ /*O*/ UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD,
+ /*Xx*/ UDAT_TIMEZONE_ISO_FIELD, UDAT_TIMEZONE_ISO_LOCAL_FIELD,
+ /*r*/ UDAT_RELATED_YEAR_FIELD,
+ /*bB*/ UDAT_AM_PM_MIDNIGHT_NOON_FIELD, UDAT_FLEXIBLE_DAY_PERIOD_FIELD,
+#if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR
+ /*:*/ UDAT_TIME_SEPARATOR_FIELD,
+#else
+ /*no pattern char for UDAT_TIME_SEPARATOR_FIELD*/ UDAT_TIME_SEPARATOR_FIELD,
+#endif
+};
+
+//----------------------------------------------------------------------
+
+/**
+ * Append symbols[value] to dst. Make sure the array index is not out
+ * of bounds.
+ */
+static inline void
+_appendSymbol(UnicodeString& dst,
+ int32_t value,
+ const UnicodeString* symbols,
+ int32_t symbolsCount) {
+ U_ASSERT(0 <= value && value < symbolsCount);
+ if (0 <= value && value < symbolsCount) {
+ dst += symbols[value];
+ }
+}
+
+static inline void
+_appendSymbolWithMonthPattern(UnicodeString& dst, int32_t value, const UnicodeString* symbols, int32_t symbolsCount,
+ const UnicodeString* monthPattern, UErrorCode& status) {
+ U_ASSERT(0 <= value && value < symbolsCount);
+ if (0 <= value && value < symbolsCount) {
+ if (monthPattern == nullptr) {
+ dst += symbols[value];
+ } else {
+ SimpleFormatter(*monthPattern, 1, 1, status).format(symbols[value], dst, status);
+ }
+ }
+}
+
+//----------------------------------------------------------------------
+
+void
+SimpleDateFormat::initSimpleNumberFormatter(UErrorCode &status) {
+ if (U_FAILURE(status)) {
+ return;
+ }
+ auto* df = dynamic_cast<const DecimalFormat*>(fNumberFormat);
+ if (df == nullptr) {
+ return;
+ }
+ const DecimalFormatSymbols* syms = df->getDecimalFormatSymbols();
+ if (syms == nullptr) {
+ return;
+ }
+ fSimpleNumberFormatter = new number::SimpleNumberFormatter(
+ number::SimpleNumberFormatter::forLocaleAndSymbolsAndGroupingStrategy(
+ fLocale, *syms, UNUM_GROUPING_OFF, status
+ )
+ );
+ if (fSimpleNumberFormatter == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ }
+}
+
+void
+SimpleDateFormat::initNumberFormatters(const Locale &locale,UErrorCode &status) {
+ if (U_FAILURE(status)) {
+ return;
+ }
+ if ( fDateOverride.isBogus() && fTimeOverride.isBogus() ) {
+ return;
+ }
+ umtx_lock(&LOCK);
+ if (fSharedNumberFormatters == nullptr) {
+ fSharedNumberFormatters = allocSharedNumberFormatters();
+ if (fSharedNumberFormatters == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ }
+ }
+ umtx_unlock(&LOCK);
+
+ if (U_FAILURE(status)) {
+ return;
+ }
+
+ processOverrideString(locale,fDateOverride,kOvrStrDate,status);
+ processOverrideString(locale,fTimeOverride,kOvrStrTime,status);
+}
+
+void
+SimpleDateFormat::processOverrideString(const Locale &locale, const UnicodeString &str, int8_t type, UErrorCode &status) {
+ if (str.isBogus() || U_FAILURE(status)) {
+ return;
+ }
+
+ int32_t start = 0;
+ int32_t len;
+ UnicodeString nsName;
+ UnicodeString ovrField;
+ UBool moreToProcess = true;
+ NSOverride *overrideList = nullptr;
+
+ while (moreToProcess) {
+ int32_t delimiterPosition = str.indexOf((char16_t)ULOC_KEYWORD_ITEM_SEPARATOR_UNICODE,start);
+ if (delimiterPosition == -1) {
+ moreToProcess = false;
+ len = str.length() - start;
+ } else {
+ len = delimiterPosition - start;
+ }
+ UnicodeString currentString(str,start,len);
+ int32_t equalSignPosition = currentString.indexOf((char16_t)ULOC_KEYWORD_ASSIGN_UNICODE,0);
+ if (equalSignPosition == -1) { // Simple override string such as "hebrew"
+ nsName.setTo(currentString);
+ ovrField.setToBogus();
+ } else { // Field specific override string such as "y=hebrew"
+ nsName.setTo(currentString,equalSignPosition+1);
+ ovrField.setTo(currentString,0,1); // We just need the first character.
+ }
+
+ int32_t nsNameHash = nsName.hashCode();
+ // See if the numbering system is in the override list, if not, then add it.
+ NSOverride *curr = overrideList;
+ const SharedNumberFormat *snf = nullptr;
+ UBool found = false;
+ while ( curr && !found ) {
+ if ( curr->hash == nsNameHash ) {
+ snf = curr->snf;
+ found = true;
+ }
+ curr = curr->next;
+ }
+
+ if (!found) {
+ LocalPointer<NSOverride> cur(new NSOverride);
+ if (!cur.isNull()) {
+ char kw[ULOC_KEYWORD_AND_VALUES_CAPACITY];
+ uprv_strcpy(kw,"numbers=");
+ nsName.extract(0,len,kw+8,ULOC_KEYWORD_AND_VALUES_CAPACITY-8,US_INV);
+
+ Locale ovrLoc(locale.getLanguage(),locale.getCountry(),locale.getVariant(),kw);
+ cur->hash = nsNameHash;
+ cur->next = overrideList;
+ SharedObject::copyPtr(
+ createSharedNumberFormat(ovrLoc, status), cur->snf);
+ if (U_FAILURE(status)) {
+ if (overrideList) {
+ overrideList->free();
+ }
+ return;
+ }
+ snf = cur->snf;
+ overrideList = cur.orphan();
+ } else {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ if (overrideList) {
+ overrideList->free();
+ }
+ return;
+ }
+ }
+
+ // Now that we have an appropriate number formatter, fill in the appropriate spaces in the
+ // number formatters table.
+ if (ovrField.isBogus()) {
+ switch (type) {
+ case kOvrStrDate:
+ case kOvrStrBoth: {
+ for ( int8_t i=0 ; i<kDateFieldsCount; i++ ) {
+ SharedObject::copyPtr(snf, fSharedNumberFormatters[kDateFields[i]]);
+ }
+ if (type==kOvrStrDate) {
+ break;
+ }
+ U_FALLTHROUGH;
+ }
+ case kOvrStrTime : {
+ for ( int8_t i=0 ; i<kTimeFieldsCount; i++ ) {
+ SharedObject::copyPtr(snf, fSharedNumberFormatters[kTimeFields[i]]);
+ }
+ break;
+ }
+ }
+ } else {
+ // if the pattern character is unrecognized, signal an error and bail out
+ UDateFormatField patternCharIndex =
+ DateFormatSymbols::getPatternCharIndex(ovrField.charAt(0));
+ if (patternCharIndex == UDAT_FIELD_COUNT) {
+ status = U_INVALID_FORMAT_ERROR;
+ if (overrideList) {
+ overrideList->free();
+ }
+ return;
+ }
+ SharedObject::copyPtr(snf, fSharedNumberFormatters[patternCharIndex]);
+ }
+
+ start = delimiterPosition + 1;
+ }
+ if (overrideList) {
+ overrideList->free();
+ }
+}
+
+//---------------------------------------------------------------------
+void
+SimpleDateFormat::subFormat(UnicodeString &appendTo,
+ char16_t ch,
+ int32_t count,
+ UDisplayContext capitalizationContext,
+ int32_t fieldNum,
+ char16_t fieldToOutput,
+ FieldPositionHandler& handler,
+ Calendar& cal,
+ UErrorCode& status) const
+{
+ if (U_FAILURE(status)) {
+ return;
+ }
+
+ // this function gets called by format() to produce the appropriate substitution
+ // text for an individual pattern symbol (e.g., "HH" or "yyyy")
+
+ UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch);
+ const int32_t maxIntCount = 10;
+ int32_t beginOffset = appendTo.length();
+ const NumberFormat *currentNumberFormat;
+ DateFormatSymbols::ECapitalizationContextUsageType capContextUsageType = DateFormatSymbols::kCapContextUsageOther;
+
+ UBool isHebrewCalendar = (uprv_strcmp(cal.getType(),"hebrew") == 0);
+ UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 0 || uprv_strcmp(cal.getType(),"dangi") == 0);
+
+ // if the pattern character is unrecognized, signal an error and dump out
+ if (patternCharIndex == UDAT_FIELD_COUNT)
+ {
+ if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored
+ status = U_INVALID_FORMAT_ERROR;
+ }
+ return;
+ }
+
+ UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex];
+ int32_t value = 0;
+ // Don't get value unless it is useful
+ if (field < UCAL_FIELD_COUNT) {
+ value = (patternCharIndex != UDAT_RELATED_YEAR_FIELD)? cal.get(field, status): cal.getRelatedYear(status);
+ }
+ if (U_FAILURE(status)) {
+ return;
+ }
+
+ currentNumberFormat = getNumberFormatByIndex(patternCharIndex);
+ if (currentNumberFormat == nullptr) {
+ status = U_INTERNAL_PROGRAM_ERROR;
+ return;
+ }
+ UnicodeString hebr("hebr", 4, US_INV);
+
+ switch (patternCharIndex) {
+
+ // for any "G" symbol, write out the appropriate era string
+ // "GGGG" is wide era name, "GGGGG" is narrow era name, anything else is abbreviated name
+ case UDAT_ERA_FIELD:
+ if (isChineseCalendar) {
+ zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, 9); // as in ICU4J
+ } else {
+ if (count == 5) {
+ _appendSymbol(appendTo, value, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageEraNarrow;
+ } else if (count == 4) {
+ _appendSymbol(appendTo, value, fSymbols->fEraNames, fSymbols->fEraNamesCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageEraWide;
+ } else {
+ _appendSymbol(appendTo, value, fSymbols->fEras, fSymbols->fErasCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageEraAbbrev;
+ }
+ }
+ break;
+
+ case UDAT_YEAR_NAME_FIELD:
+ if (fSymbols->fShortYearNames != nullptr && value <= fSymbols->fShortYearNamesCount) {
+ // the Calendar YEAR field runs 1 through 60 for cyclic years
+ _appendSymbol(appendTo, value - 1, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount);
+ break;
+ }
+ // else fall through to numeric year handling, do not break here
+ U_FALLTHROUGH;
+
+ // OLD: for "yyyy", write out the whole year; for "yy", write out the last 2 digits
+ // NEW: UTS#35:
+//Year y yy yyy yyyy yyyyy
+//AD 1 1 01 001 0001 00001
+//AD 12 12 12 012 0012 00012
+//AD 123 123 23 123 0123 00123
+//AD 1234 1234 34 1234 1234 01234
+//AD 12345 12345 45 12345 12345 12345
+ case UDAT_YEAR_FIELD:
+ case UDAT_YEAR_WOY_FIELD:
+ if (fDateOverride.compare(hebr)==0 && value>HEBREW_CAL_CUR_MILLENIUM_START_YEAR && value<HEBREW_CAL_CUR_MILLENIUM_END_YEAR) {
+ value-=HEBREW_CAL_CUR_MILLENIUM_START_YEAR;
+ }
+ if(count == 2)
+ zeroPaddingNumber(currentNumberFormat, appendTo, value, 2, 2);
+ else
+ zeroPaddingNumber(currentNumberFormat, appendTo, value, count, maxIntCount);
+ break;
+
+ // for "MMMM"/"LLLL", write out the whole month name, for "MMM"/"LLL", write out the month
+ // abbreviation, for "M"/"L" or "MM"/"LL", write out the month as a number with the
+ // appropriate number of digits
+ // for "MMMMM"/"LLLLL", use the narrow form
+ case UDAT_MONTH_FIELD:
+ case UDAT_STANDALONE_MONTH_FIELD:
+ if ( isHebrewCalendar ) {
+ HebrewCalendar *hc = (HebrewCalendar*)&cal;
+ if (hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value == 6 && count >= 3 )
+ value = 13; // Show alternate form for Adar II in leap years in Hebrew calendar.
+ if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6 && count < 3 )
+ value--; // Adjust the month number down 1 in Hebrew non-leap years, i.e. Adar is 6, not 7.
+ }
+ {
+ int32_t isLeapMonth = (fSymbols->fLeapMonthPatterns != nullptr && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount)?
+ cal.get(UCAL_IS_LEAP_MONTH, status): 0;
+ // should consolidate the next section by using arrays of pointers & counts for the right symbols...
+ if (count == 5) {
+ if (patternCharIndex == UDAT_MONTH_FIELD) {
+ _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fNarrowMonths, fSymbols->fNarrowMonthsCount,
+ (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatNarrow]): nullptr, status);
+ } else {
+ _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneNarrowMonths, fSymbols->fStandaloneNarrowMonthsCount,
+ (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneNarrow]): nullptr, status);
+ }
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMonthNarrow;
+ } else if (count == 4) {
+ if (patternCharIndex == UDAT_MONTH_FIELD) {
+ _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fMonths, fSymbols->fMonthsCount,
+ (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide]): nullptr, status);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat;
+ } else {
+ _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount,
+ (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]): nullptr, status);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone;
+ }
+ } else if (count == 3) {
+ if (patternCharIndex == UDAT_MONTH_FIELD) {
+ _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fShortMonths, fSymbols->fShortMonthsCount,
+ (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev]): nullptr, status);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat;
+ } else {
+ _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount,
+ (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]): nullptr, status);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone;
+ }
+ } else {
+ UnicodeString monthNumber;
+ zeroPaddingNumber(currentNumberFormat,monthNumber, value + 1, count, maxIntCount);
+ _appendSymbolWithMonthPattern(appendTo, 0, &monthNumber, 1,
+ (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric]): nullptr, status);
+ }
+ }
+ break;
+
+ // for "k" and "kk", write out the hour, adjusting midnight to appear as "24"
+ case UDAT_HOUR_OF_DAY1_FIELD:
+ if (value == 0)
+ zeroPaddingNumber(currentNumberFormat,appendTo, cal.getMaximum(UCAL_HOUR_OF_DAY) + 1, count, maxIntCount);
+ else
+ zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount);
+ break;
+
+ case UDAT_FRACTIONAL_SECOND_FIELD:
+ // Fractional seconds left-justify
+ {
+ int32_t minDigits = (count > 3) ? 3 : count;
+ if (count == 1) {
+ value /= 100;
+ } else if (count == 2) {
+ value /= 10;
+ }
+ zeroPaddingNumber(currentNumberFormat, appendTo, value, minDigits, maxIntCount);
+ if (count > 3) {
+ zeroPaddingNumber(currentNumberFormat, appendTo, 0, count - 3, maxIntCount);
+ }
+ }
+ break;
+
+ // for "ee" or "e", use local numeric day-of-the-week
+ // for "EEEEEE" or "eeeeee", write out the short day-of-the-week name
+ // for "EEEEE" or "eeeee", write out the narrow day-of-the-week name
+ // for "EEEE" or "eeee", write out the wide day-of-the-week name
+ // for "EEE" or "EE" or "E" or "eee", write out the abbreviated day-of-the-week name
+ case UDAT_DOW_LOCAL_FIELD:
+ if ( count < 3 ) {
+ zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount);
+ break;
+ }
+ // fall through to EEEEE-EEE handling, but for that we don't want local day-of-week,
+ // we want standard day-of-week, so first fix value to work for EEEEE-EEE.
+ value = cal.get(UCAL_DAY_OF_WEEK, status);
+ if (U_FAILURE(status)) {
+ return;
+ }
+ // fall through, do not break here
+ U_FALLTHROUGH;
+ case UDAT_DAY_OF_WEEK_FIELD:
+ if (count == 5) {
+ _appendSymbol(appendTo, value, fSymbols->fNarrowWeekdays,
+ fSymbols->fNarrowWeekdaysCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow;
+ } else if (count == 4) {
+ _appendSymbol(appendTo, value, fSymbols->fWeekdays,
+ fSymbols->fWeekdaysCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat;
+ } else if (count == 6) {
+ _appendSymbol(appendTo, value, fSymbols->fShorterWeekdays,
+ fSymbols->fShorterWeekdaysCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat;
+ } else {
+ _appendSymbol(appendTo, value, fSymbols->fShortWeekdays,
+ fSymbols->fShortWeekdaysCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat;
+ }
+ break;
+
+ // for "ccc", write out the abbreviated day-of-the-week name
+ // for "cccc", write out the wide day-of-the-week name
+ // for "ccccc", use the narrow day-of-the-week name
+ // for "ccccc", use the short day-of-the-week name
+ case UDAT_STANDALONE_DAY_FIELD:
+ if ( count < 3 ) {
+ zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, maxIntCount);
+ break;
+ }
+ // fall through to alpha DOW handling, but for that we don't want local day-of-week,
+ // we want standard day-of-week, so first fix value.
+ value = cal.get(UCAL_DAY_OF_WEEK, status);
+ if (U_FAILURE(status)) {
+ return;
+ }
+ if (count == 5) {
+ _appendSymbol(appendTo, value, fSymbols->fStandaloneNarrowWeekdays,
+ fSymbols->fStandaloneNarrowWeekdaysCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow;
+ } else if (count == 4) {
+ _appendSymbol(appendTo, value, fSymbols->fStandaloneWeekdays,
+ fSymbols->fStandaloneWeekdaysCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone;
+ } else if (count == 6) {
+ _appendSymbol(appendTo, value, fSymbols->fStandaloneShorterWeekdays,
+ fSymbols->fStandaloneShorterWeekdaysCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone;
+ } else { // count == 3
+ _appendSymbol(appendTo, value, fSymbols->fStandaloneShortWeekdays,
+ fSymbols->fStandaloneShortWeekdaysCount);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone;
+ }
+ break;
+
+ // for "a" symbol, write out the whole AM/PM string
+ case UDAT_AM_PM_FIELD:
+ if (count < 5) {
+ _appendSymbol(appendTo, value, fSymbols->fAmPms,
+ fSymbols->fAmPmsCount);
+ } else {
+ _appendSymbol(appendTo, value, fSymbols->fNarrowAmPms,
+ fSymbols->fNarrowAmPmsCount);
+ }
+ break;
+
+ // if we see pattern character for UDAT_TIME_SEPARATOR_FIELD (none currently defined),
+ // write out the time separator string. Leave support in for future definition.
+ case UDAT_TIME_SEPARATOR_FIELD:
+ {
+ UnicodeString separator;
+ appendTo += fSymbols->getTimeSeparatorString(separator);
+ }
+ break;
+
+ // for "h" and "hh", write out the hour, adjusting noon and midnight to show up
+ // as "12"
+ case UDAT_HOUR1_FIELD:
+ if (value == 0)
+ zeroPaddingNumber(currentNumberFormat,appendTo, cal.getLeastMaximum(UCAL_HOUR) + 1, count, maxIntCount);
+ else
+ zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount);
+ break;
+
+ case UDAT_TIMEZONE_FIELD: // 'z'
+ case UDAT_TIMEZONE_RFC_FIELD: // 'Z'
+ case UDAT_TIMEZONE_GENERIC_FIELD: // 'v'
+ case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V'
+ case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O'
+ case UDAT_TIMEZONE_ISO_FIELD: // 'X'
+ case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x'
+ {
+ char16_t zsbuf[ZONE_NAME_U16_MAX];
+ UnicodeString zoneString(zsbuf, 0, UPRV_LENGTHOF(zsbuf));
+ const TimeZone& tz = cal.getTimeZone();
+ UDate date = cal.getTime(status);
+ const TimeZoneFormat *tzfmt = tzFormat(status);
+ if (U_SUCCESS(status)) {
+ if (patternCharIndex == UDAT_TIMEZONE_FIELD) {
+ if (count < 4) {
+ // "z", "zz", "zzz"
+ tzfmt->format(UTZFMT_STYLE_SPECIFIC_SHORT, tz, date, zoneString);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort;
+ } else {
+ // "zzzz" or longer
+ tzfmt->format(UTZFMT_STYLE_SPECIFIC_LONG, tz, date, zoneString);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong;
+ }
+ }
+ else if (patternCharIndex == UDAT_TIMEZONE_RFC_FIELD) {
+ if (count < 4) {
+ // "Z"
+ tzfmt->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString);
+ } else if (count == 5) {
+ // "ZZZZZ"
+ tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString);
+ } else {
+ // "ZZ", "ZZZ", "ZZZZ"
+ tzfmt->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString);
+ }
+ }
+ else if (patternCharIndex == UDAT_TIMEZONE_GENERIC_FIELD) {
+ if (count == 1) {
+ // "v"
+ tzfmt->format(UTZFMT_STYLE_GENERIC_SHORT, tz, date, zoneString);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort;
+ } else if (count == 4) {
+ // "vvvv"
+ tzfmt->format(UTZFMT_STYLE_GENERIC_LONG, tz, date, zoneString);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong;
+ }
+ }
+ else if (patternCharIndex == UDAT_TIMEZONE_SPECIAL_FIELD) {
+ if (count == 1) {
+ // "V"
+ tzfmt->format(UTZFMT_STYLE_ZONE_ID_SHORT, tz, date, zoneString);
+ } else if (count == 2) {
+ // "VV"
+ tzfmt->format(UTZFMT_STYLE_ZONE_ID, tz, date, zoneString);
+ } else if (count == 3) {
+ // "VVV"
+ tzfmt->format(UTZFMT_STYLE_EXEMPLAR_LOCATION, tz, date, zoneString);
+ } else if (count == 4) {
+ // "VVVV"
+ tzfmt->format(UTZFMT_STYLE_GENERIC_LOCATION, tz, date, zoneString);
+ capContextUsageType = DateFormatSymbols::kCapContextUsageZoneLong;
+ }
+ }
+ else if (patternCharIndex == UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD) {
+ if (count == 1) {
+ // "O"
+ tzfmt->format(UTZFMT_STYLE_LOCALIZED_GMT_SHORT, tz, date, zoneString);
+ } else if (count == 4) {
+ // "OOOO"
+ tzfmt->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString);
+ }
+ }
+ else if (patternCharIndex == UDAT_TIMEZONE_ISO_FIELD) {
+ if (count == 1) {
+ // "X"
+ tzfmt->format(UTZFMT_STYLE_ISO_BASIC_SHORT, tz, date, zoneString);
+ } else if (count == 2) {
+ // "XX"
+ tzfmt->format(UTZFMT_STYLE_ISO_BASIC_FIXED, tz, date, zoneString);
+ } else if (count == 3) {
+ // "XXX"
+ tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_FIXED, tz, date, zoneString);
+ } else if (count == 4) {
+ // "XXXX"
+ tzfmt->format(UTZFMT_STYLE_ISO_BASIC_FULL, tz, date, zoneString);
+ } else if (count == 5) {
+ // "XXXXX"
+ tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString);
+ }
+ }
+ else if (patternCharIndex == UDAT_TIMEZONE_ISO_LOCAL_FIELD) {
+ if (count == 1) {
+ // "x"
+ tzfmt->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT, tz, date, zoneString);
+ } else if (count == 2) {
+ // "xx"
+ tzfmt->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED, tz, date, zoneString);
+ } else if (count == 3) {
+ // "xxx"
+ tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED, tz, date, zoneString);
+ } else if (count == 4) {
+ // "xxxx"
+ tzfmt->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString);
+ } else if (count == 5) {
+ // "xxxxx"
+ tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL, tz, date, zoneString);
+ }
+ }
+ else {
+ UPRV_UNREACHABLE_EXIT;
+ }
+ }
+ appendTo += zoneString;
+ }
+ break;
+
+ case UDAT_QUARTER_FIELD:
+ if (count >= 5)
+ _appendSymbol(appendTo, value/3, fSymbols->fNarrowQuarters,
+ fSymbols->fNarrowQuartersCount);
+ else if (count == 4)
+ _appendSymbol(appendTo, value/3, fSymbols->fQuarters,
+ fSymbols->fQuartersCount);
+ else if (count == 3)
+ _appendSymbol(appendTo, value/3, fSymbols->fShortQuarters,
+ fSymbols->fShortQuartersCount);
+ else
+ zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount);
+ break;
+
+ case UDAT_STANDALONE_QUARTER_FIELD:
+ if (count >= 5)
+ _appendSymbol(appendTo, value/3, fSymbols->fStandaloneNarrowQuarters,
+ fSymbols->fStandaloneNarrowQuartersCount);
+ else if (count == 4)
+ _appendSymbol(appendTo, value/3, fSymbols->fStandaloneQuarters,
+ fSymbols->fStandaloneQuartersCount);
+ else if (count == 3)
+ _appendSymbol(appendTo, value/3, fSymbols->fStandaloneShortQuarters,
+ fSymbols->fStandaloneShortQuartersCount);
+ else
+ zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount);
+ break;
+
+ case UDAT_AM_PM_MIDNIGHT_NOON_FIELD:
+ {
+ const UnicodeString *toAppend = nullptr;
+ int32_t hour = cal.get(UCAL_HOUR_OF_DAY, status);
+
+ // Note: "midnight" can be ambiguous as to whether it refers to beginning of day or end of day.
+ // For ICU 57 output of "midnight" is temporarily suppressed.
+
+ // For "midnight" and "noon":
+ // Time, as displayed, must be exactly noon or midnight.
+ // This means minutes and seconds, if present, must be zero.
+ if ((/*hour == 0 ||*/ hour == 12) &&
+ (!fHasMinute || cal.get(UCAL_MINUTE, status) == 0) &&
+ (!fHasSecond || cal.get(UCAL_SECOND, status) == 0)) {
+ // Stealing am/pm value to use as our array index.
+ // It works out: am/midnight are both 0, pm/noon are both 1,
+ // 12 am is 12 midnight, and 12 pm is 12 noon.
+ int32_t val = cal.get(UCAL_AM_PM, status);
+
+ if (count <= 3) {
+ toAppend = &fSymbols->fAbbreviatedDayPeriods[val];
+ } else if (count == 4 || count > 5) {
+ toAppend = &fSymbols->fWideDayPeriods[val];
+ } else { // count == 5
+ toAppend = &fSymbols->fNarrowDayPeriods[val];
+ }
+ }
+
+ // toAppend is nullptr if time isn't exactly midnight or noon (as displayed).
+ // toAppend is bogus if time is midnight or noon, but no localized string exists.
+ // In either case, fall back to am/pm.
+ if (toAppend == nullptr || toAppend->isBogus()) {
+ // Reformat with identical arguments except ch, now changed to 'a'.
+ // We are passing a different fieldToOutput because we want to add
+ // 'b' to field position. This makes this fallback stable when
+ // there is a data change on locales.
+ subFormat(appendTo, u'a', count, capitalizationContext, fieldNum, u'b', handler, cal, status);
+ return;
+ } else {
+ appendTo += *toAppend;
+ }
+
+ break;
+ }
+
+ case UDAT_FLEXIBLE_DAY_PERIOD_FIELD:
+ {
+ // TODO: Maybe fetch the DayperiodRules during initialization (instead of at the first
+ // loading of an instance) if a relevant pattern character (b or B) is used.
+ const DayPeriodRules *ruleSet = DayPeriodRules::getInstance(this->getSmpFmtLocale(), status);
+ if (U_FAILURE(status)) {
+ // Data doesn't conform to spec, therefore loading failed.
+ break;
+ }
+ if (ruleSet == nullptr) {
+ // Data doesn't exist for the locale we're looking for.
+ // Falling back to am/pm.
+ // We are passing a different fieldToOutput because we want to add
+ // 'B' to field position. This makes this fallback stable when
+ // there is a data change on locales.
+ subFormat(appendTo, u'a', count, capitalizationContext, fieldNum, u'B', handler, cal, status);
+ return;
+ }
+
+ // Get current display time.
+ int32_t hour = cal.get(UCAL_HOUR_OF_DAY, status);
+ int32_t minute = 0;
+ if (fHasMinute) {
+ minute = cal.get(UCAL_MINUTE, status);
+ }
+ int32_t second = 0;
+ if (fHasSecond) {
+ second = cal.get(UCAL_SECOND, status);
+ }
+
+ // Determine day period.
+ DayPeriodRules::DayPeriod periodType;
+ if (hour == 0 && minute == 0 && second == 0 && ruleSet->hasMidnight()) {
+ periodType = DayPeriodRules::DAYPERIOD_MIDNIGHT;
+ } else if (hour == 12 && minute == 0 && second == 0 && ruleSet->hasNoon()) {
+ periodType = DayPeriodRules::DAYPERIOD_NOON;
+ } else {
+ periodType = ruleSet->getDayPeriodForHour(hour);
+ }
+
+ // Rule set exists, therefore periodType can't be UNKNOWN.
+ // Get localized string.
+ U_ASSERT(periodType != DayPeriodRules::DAYPERIOD_UNKNOWN);
+ UnicodeString *toAppend = nullptr;
+ int32_t index;
+
+ // Note: "midnight" can be ambiguous as to whether it refers to beginning of day or end of day.
+ // For ICU 57 output of "midnight" is temporarily suppressed.
+
+ if (periodType != DayPeriodRules::DAYPERIOD_AM &&
+ periodType != DayPeriodRules::DAYPERIOD_PM &&
+ periodType != DayPeriodRules::DAYPERIOD_MIDNIGHT) {
+ index = (int32_t)periodType;
+ if (count <= 3) {
+ toAppend = &fSymbols->fAbbreviatedDayPeriods[index]; // i.e. short
+ } else if (count == 4 || count > 5) {
+ toAppend = &fSymbols->fWideDayPeriods[index];
+ } else { // count == 5
+ toAppend = &fSymbols->fNarrowDayPeriods[index];
+ }
+ }
+
+ // Fallback schedule:
+ // Midnight/Noon -> General Periods -> AM/PM.
+
+ // Midnight/Noon -> General Periods.
+ if ((toAppend == nullptr || toAppend->isBogus()) &&
+ (periodType == DayPeriodRules::DAYPERIOD_MIDNIGHT ||
+ periodType == DayPeriodRules::DAYPERIOD_NOON)) {
+ periodType = ruleSet->getDayPeriodForHour(hour);
+ index = (int32_t)periodType;
+
+ if (count <= 3) {
+ toAppend = &fSymbols->fAbbreviatedDayPeriods[index]; // i.e. short
+ } else if (count == 4 || count > 5) {
+ toAppend = &fSymbols->fWideDayPeriods[index];
+ } else { // count == 5
+ toAppend = &fSymbols->fNarrowDayPeriods[index];
+ }
+ }
+
+ // General Periods -> AM/PM.
+ if (periodType == DayPeriodRules::DAYPERIOD_AM ||
+ periodType == DayPeriodRules::DAYPERIOD_PM ||
+ toAppend->isBogus()) {
+ // We are passing a different fieldToOutput because we want to add
+ // 'B' to field position iterator. This makes this fallback stable when
+ // there is a data change on locales.
+ subFormat(appendTo, u'a', count, capitalizationContext, fieldNum, u'B', handler, cal, status);
+ return;
+ }
+ else {
+ appendTo += *toAppend;
+ }
+
+ break;
+ }
+
+ // all of the other pattern symbols can be formatted as simple numbers with
+ // appropriate zero padding
+ default:
+ zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount);
+ break;
+ }
+#if !UCONFIG_NO_BREAK_ITERATION
+ // if first field, check to see whether we need to and are able to titlecase it
+ if (fieldNum == 0 && fCapitalizationBrkIter != nullptr && appendTo.length() > beginOffset &&
+ u_islower(appendTo.char32At(beginOffset))) {
+ UBool titlecase = false;
+ switch (capitalizationContext) {
+ case UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE:
+ titlecase = true;
+ break;
+ case UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU:
+ titlecase = fSymbols->fCapitalization[capContextUsageType][0];
+ break;
+ case UDISPCTX_CAPITALIZATION_FOR_STANDALONE:
+ titlecase = fSymbols->fCapitalization[capContextUsageType][1];
+ break;
+ default:
+ // titlecase = false;
+ break;
+ }
+ if (titlecase) {
+ BreakIterator* const mutableCapitalizationBrkIter = fCapitalizationBrkIter->clone();
+ UnicodeString firstField(appendTo, beginOffset);
+ firstField.toTitle(mutableCapitalizationBrkIter, fLocale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT);
+ appendTo.replaceBetween(beginOffset, appendTo.length(), firstField);
+ delete mutableCapitalizationBrkIter;
+ }
+ }
+#endif
+
+ handler.addAttribute(DateFormatSymbols::getPatternCharIndex(fieldToOutput), beginOffset, appendTo.length());
+}
+
+//----------------------------------------------------------------------
+
+void SimpleDateFormat::adoptNumberFormat(NumberFormat *formatToAdopt) {
+ // Null out the fast formatter, it references fNumberFormat which we're
+ // about to invalidate
+ delete fSimpleNumberFormatter;
+ fSimpleNumberFormatter = nullptr;
+
+ fixNumberFormatForDates(*formatToAdopt);
+ delete fNumberFormat;
+ fNumberFormat = formatToAdopt;
+
+ // We successfully set the default number format. Now delete the overrides
+ // (can't fail).
+ if (fSharedNumberFormatters) {
+ freeSharedNumberFormatters(fSharedNumberFormatters);
+ fSharedNumberFormatters = nullptr;
+ }
+
+ // Recompute fSimpleNumberFormatter if necessary
+ UErrorCode localStatus = U_ZERO_ERROR;
+ initSimpleNumberFormatter(localStatus);
+}
+
+void SimpleDateFormat::adoptNumberFormat(const UnicodeString& fields, NumberFormat *formatToAdopt, UErrorCode &status){
+ fixNumberFormatForDates(*formatToAdopt);
+ LocalPointer<NumberFormat> fmt(formatToAdopt);
+ if (U_FAILURE(status)) {
+ return;
+ }
+
+ // We must ensure fSharedNumberFormatters is allocated.
+ if (fSharedNumberFormatters == nullptr) {
+ fSharedNumberFormatters = allocSharedNumberFormatters();
+ if (fSharedNumberFormatters == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+ }
+ const SharedNumberFormat *newFormat = createSharedNumberFormat(fmt.orphan());
+ if (newFormat == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+ for (int i=0; i<fields.length(); i++) {
+ char16_t field = fields.charAt(i);
+ // if the pattern character is unrecognized, signal an error and bail out
+ UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(field);
+ if (patternCharIndex == UDAT_FIELD_COUNT) {
+ status = U_INVALID_FORMAT_ERROR;
+ newFormat->deleteIfZeroRefCount();
+ return;
+ }
+
+ // Set the number formatter in the table
+ SharedObject::copyPtr(
+ newFormat, fSharedNumberFormatters[patternCharIndex]);
+ }
+ newFormat->deleteIfZeroRefCount();
+}
+
+const NumberFormat *
+SimpleDateFormat::getNumberFormatForField(char16_t field) const {
+ UDateFormatField index = DateFormatSymbols::getPatternCharIndex(field);
+ if (index == UDAT_FIELD_COUNT) {
+ return nullptr;
+ }
+ return getNumberFormatByIndex(index);
+}
+
+//----------------------------------------------------------------------
+void
+SimpleDateFormat::zeroPaddingNumber(
+ const NumberFormat *currentNumberFormat,
+ UnicodeString &appendTo,
+ int32_t value, int32_t minDigits, int32_t maxDigits) const
+{
+
+ if (currentNumberFormat == fNumberFormat && fSimpleNumberFormatter) {
+ // Can use fast path
+ UErrorCode localStatus = U_ZERO_ERROR;
+ number::SimpleNumber number = number::SimpleNumber::forInt64(value, localStatus);
+ number.setMinimumIntegerDigits(minDigits, localStatus);
+ number.truncateStart(maxDigits, localStatus);
+
+ number::FormattedNumber result = fSimpleNumberFormatter->format(std::move(number), localStatus);
+ if (U_FAILURE(localStatus)) {
+ return;
+ }
+ appendTo.append(result.toTempString(localStatus));
+ return;
+ }
+
+ // Check for RBNF (no clone necessary)
+ auto* rbnf = dynamic_cast<const RuleBasedNumberFormat*>(currentNumberFormat);
+ if (rbnf != nullptr) {
+ FieldPosition pos(FieldPosition::DONT_CARE);
+ rbnf->format(value, appendTo, pos); // 3rd arg is there to speed up processing
+ return;
+ }
+
+ // Fall back to slow path (clone and mutate the NumberFormat)
+ if (currentNumberFormat != nullptr) {
+ FieldPosition pos(FieldPosition::DONT_CARE);
+ LocalPointer<NumberFormat> nf(currentNumberFormat->clone());
+ nf->setMinimumIntegerDigits(minDigits);
+ nf->setMaximumIntegerDigits(maxDigits);
+ nf->format(value, appendTo, pos); // 3rd arg is there to speed up processing
+ }
+}
+
+//----------------------------------------------------------------------
+
+/**
+ * Return true if the given format character, occurring count
+ * times, represents a numeric field.
+ */
+UBool SimpleDateFormat::isNumeric(char16_t formatChar, int32_t count) {
+ return DateFormatSymbols::isNumericPatternChar(formatChar, count);
+}
+
+UBool
+SimpleDateFormat::isAtNumericField(const UnicodeString &pattern, int32_t patternOffset) {
+ if (patternOffset >= pattern.length()) {
+ // not at any field
+ return false;
+ }
+ char16_t ch = pattern.charAt(patternOffset);
+ UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch);
+ if (f == UDAT_FIELD_COUNT) {
+ // not at any field
+ return false;
+ }
+ int32_t i = patternOffset;
+ while (pattern.charAt(++i) == ch) {}
+ return DateFormatSymbols::isNumericField(f, i - patternOffset);
+}
+
+UBool
+SimpleDateFormat::isAfterNonNumericField(const UnicodeString &pattern, int32_t patternOffset) {
+ if (patternOffset <= 0) {
+ // not after any field
+ return false;
+ }
+ char16_t ch = pattern.charAt(--patternOffset);
+ UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch);
+ if (f == UDAT_FIELD_COUNT) {
+ // not after any field
+ return false;
+ }
+ int32_t i = patternOffset;
+ while (pattern.charAt(--i) == ch) {}
+ return !DateFormatSymbols::isNumericField(f, patternOffset - i);
+}
+
+void
+SimpleDateFormat::parse(const UnicodeString& text, Calendar& cal, ParsePosition& parsePos) const
+{
+ UErrorCode status = U_ZERO_ERROR;
+ int32_t pos = parsePos.getIndex();
+ if(parsePos.getIndex() < 0) {
+ parsePos.setErrorIndex(0);
+ return;
+ }
+ int32_t start = pos;
+
+ // Hold the day period until everything else is parsed, because we need
+ // the hour to interpret time correctly.
+ int32_t dayPeriodInt = -1;
+
+ UBool ambiguousYear[] = { false };
+ int32_t saveHebrewMonth = -1;
+ int32_t count = 0;
+ UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
+
+ // For parsing abutting numeric fields. 'abutPat' is the
+ // offset into 'pattern' of the first of 2 or more abutting
+ // numeric fields. 'abutStart' is the offset into 'text'
+ // where parsing the fields begins. 'abutPass' starts off as 0
+ // and increments each time we try to parse the fields.
+ int32_t abutPat = -1; // If >=0, we are in a run of abutting numeric fields
+ int32_t abutStart = 0;
+ int32_t abutPass = 0;
+ UBool inQuote = false;
+
+ MessageFormat * numericLeapMonthFormatter = nullptr;
+
+ Calendar* calClone = nullptr;
+ Calendar *workCal = &cal;
+ if (&cal != fCalendar && uprv_strcmp(cal.getType(), fCalendar->getType()) != 0) {
+ // Different calendar type
+ // We use the time/zone from the input calendar, but
+ // do not use the input calendar for field calculation.
+ calClone = fCalendar->clone();
+ if (calClone != nullptr) {
+ calClone->setTime(cal.getTime(status),status);
+ if (U_FAILURE(status)) {
+ goto ExitParse;
+ }
+ calClone->setTimeZone(cal.getTimeZone());
+ workCal = calClone;
+ } else {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ goto ExitParse;
+ }
+ }
+
+ if (fSymbols->fLeapMonthPatterns != nullptr && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) {
+ numericLeapMonthFormatter = new MessageFormat(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric], fLocale, status);
+ if (numericLeapMonthFormatter == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ goto ExitParse;
+ } else if (U_FAILURE(status)) {
+ goto ExitParse; // this will delete numericLeapMonthFormatter
+ }
+ }
+
+ for (int32_t i=0; i<fPattern.length(); ++i) {
+ char16_t ch = fPattern.charAt(i);
+
+ // Handle alphabetic field characters.
+ if (!inQuote && isSyntaxChar(ch)) {
+ int32_t fieldPat = i;
+
+ // Count the length of this field specifier
+ count = 1;
+ while ((i+1)<fPattern.length() &&
+ fPattern.charAt(i+1) == ch) {
+ ++count;
+ ++i;
+ }
+
+ if (isNumeric(ch, count)) {
+ if (abutPat < 0) {
+ // Determine if there is an abutting numeric field.
+ // Record the start of a set of abutting numeric fields.
+ if (isAtNumericField(fPattern, i + 1)) {
+ abutPat = fieldPat;
+ abutStart = pos;
+ abutPass = 0;
+ }
+ }
+ } else {
+ abutPat = -1; // End of any abutting fields
+ }
+
+ // Handle fields within a run of abutting numeric fields. Take
+ // the pattern "HHmmss" as an example. We will try to parse
+ // 2/2/2 characters of the input text, then if that fails,
+ // 1/2/2. We only adjust the width of the leftmost field; the
+ // others remain fixed. This allows "123456" => 12:34:56, but
+ // "12345" => 1:23:45. Likewise, for the pattern "yyyyMMdd" we
+ // try 4/2/2, 3/2/2, 2/2/2, and finally 1/2/2.
+ if (abutPat >= 0) {
+ // If we are at the start of a run of abutting fields, then
+ // shorten this field in each pass. If we can't shorten
+ // this field any more, then the parse of this set of
+ // abutting numeric fields has failed.
+ if (fieldPat == abutPat) {
+ count -= abutPass++;
+ if (count == 0) {
+ status = U_PARSE_ERROR;
+ goto ExitParse;
+ }
+ }
+
+ pos = subParse(text, pos, ch, count,
+ true, false, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter, &tzTimeType);
+
+ // If the parse fails anywhere in the run, back up to the
+ // start of the run and retry.
+ if (pos < 0) {
+ i = abutPat - 1;
+ pos = abutStart;
+ continue;
+ }
+ }
+
+ // Handle non-numeric fields and non-abutting numeric
+ // fields.
+ else if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored
+ int32_t s = subParse(text, pos, ch, count,
+ false, true, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter, &tzTimeType, &dayPeriodInt);
+
+ if (s == -pos-1) {
+ // era not present, in special cases allow this to continue
+ // from the position where the era was expected
+ s = pos;
+
+ if (i+1 < fPattern.length()) {
+ // move to next pattern character
+ char16_t c = fPattern.charAt(i+1);
+
+ // check for whitespace
+ if (PatternProps::isWhiteSpace(c)) {
+ i++;
+ // Advance over run in pattern
+ while ((i+1)<fPattern.length() &&
+ PatternProps::isWhiteSpace(fPattern.charAt(i+1))) {
+ ++i;
+ }
+ }
+ }
+ }
+ else if (s <= 0) {
+ status = U_PARSE_ERROR;
+ goto ExitParse;
+ }
+ pos = s;
+ }
+ }
+
+ // Handle literal pattern characters. These are any
+ // quoted characters and non-alphabetic unquoted
+ // characters.
+ else {
+
+ abutPat = -1; // End of any abutting fields
+
+ if (! matchLiterals(fPattern, i, text, pos, getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status), getBooleanAttribute(UDAT_PARSE_PARTIAL_LITERAL_MATCH, status), isLenient())) {
+ status = U_PARSE_ERROR;
+ goto ExitParse;
+ }
+ }
+ }
+
+ // Special hack for trailing "." after non-numeric field.
+ if (text.charAt(pos) == 0x2e && getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)) {
+ // only do if the last field is not numeric
+ if (isAfterNonNumericField(fPattern, fPattern.length())) {
+ pos++; // skip the extra "."
+ }
+ }
+
+ // If dayPeriod is set, use it in conjunction with hour-of-day to determine am/pm.
+ if (dayPeriodInt >= 0) {
+ DayPeriodRules::DayPeriod dayPeriod = (DayPeriodRules::DayPeriod)dayPeriodInt;
+ const DayPeriodRules *ruleSet = DayPeriodRules::getInstance(this->getSmpFmtLocale(), status);
+
+ if (!cal.isSet(UCAL_HOUR) && !cal.isSet(UCAL_HOUR_OF_DAY)) {
+ // If hour is not set, set time to the midpoint of current day period, overwriting
+ // minutes if it's set.
+ double midPoint = ruleSet->getMidPointForDayPeriod(dayPeriod, status);
+
+ // If we can't get midPoint we do nothing.
+ if (U_SUCCESS(status)) {
+ // Truncate midPoint toward zero to get the hour.
+ // Any leftover means it was a half-hour.
+ int32_t midPointHour = (int32_t) midPoint;
+ int32_t midPointMinute = (midPoint - midPointHour) > 0 ? 30 : 0;
+
+ // No need to set am/pm because hour-of-day is set last therefore takes precedence.
+ cal.set(UCAL_HOUR_OF_DAY, midPointHour);
+ cal.set(UCAL_MINUTE, midPointMinute);
+ }
+ } else {
+ int hourOfDay;
+
+ if (cal.isSet(UCAL_HOUR_OF_DAY)) { // Hour is parsed in 24-hour format.
+ hourOfDay = cal.get(UCAL_HOUR_OF_DAY, status);
+ } else { // Hour is parsed in 12-hour format.
+ hourOfDay = cal.get(UCAL_HOUR, status);
+ // cal.get() turns 12 to 0 for 12-hour time; change 0 to 12
+ // so 0 unambiguously means a 24-hour time from above.
+ if (hourOfDay == 0) { hourOfDay = 12; }
+ }
+ U_ASSERT(0 <= hourOfDay && hourOfDay <= 23);
+
+
+ // If hour-of-day is 0 or 13 thru 23 then input time in unambiguously in 24-hour format.
+ if (hourOfDay == 0 || (13 <= hourOfDay && hourOfDay <= 23)) {
+ // Make hour-of-day take precedence over (hour + am/pm) by setting it again.
+ cal.set(UCAL_HOUR_OF_DAY, hourOfDay);
+ } else {
+ // We have a 12-hour time and need to choose between am and pm.
+ // Behave as if dayPeriod spanned 6 hours each way from its center point.
+ // This will parse correctly for consistent time + period (e.g. 10 at night) as
+ // well as provide a reasonable recovery for inconsistent time + period (e.g.
+ // 9 in the afternoon).
+
+ // Assume current time is in the AM.
+ // - Change 12 back to 0 for easier handling of 12am.
+ // - Append minutes as fractional hours because e.g. 8:15 and 8:45 could be parsed
+ // into different half-days if center of dayPeriod is at 14:30.
+ // - cal.get(MINUTE) will return 0 if MINUTE is unset, which works.
+ if (hourOfDay == 12) { hourOfDay = 0; }
+ double currentHour = hourOfDay + (cal.get(UCAL_MINUTE, status)) / 60.0;
+ double midPointHour = ruleSet->getMidPointForDayPeriod(dayPeriod, status);
+
+ if (U_SUCCESS(status)) {
+ double hoursAheadMidPoint = currentHour - midPointHour;
+
+ // Assume current time is in the AM.
+ if (-6 <= hoursAheadMidPoint && hoursAheadMidPoint < 6) {
+ // Assumption holds; set time as such.
+ cal.set(UCAL_AM_PM, 0);
+ } else {
+ cal.set(UCAL_AM_PM, 1);
+ }
+ }
+ }
+ }
+ }
+
+ // At this point the fields of Calendar have been set. Calendar
+ // will fill in default values for missing fields when the time
+ // is computed.
+
+ parsePos.setIndex(pos);
+
+ // This part is a problem: When we call parsedDate.after, we compute the time.
+ // Take the date April 3 2004 at 2:30 am. When this is first set up, the year
+ // will be wrong if we're parsing a 2-digit year pattern. It will be 1904.
+ // April 3 1904 is a Sunday (unlike 2004) so it is the DST onset day. 2:30 am
+ // is therefore an "impossible" time, since the time goes from 1:59 to 3:00 am
+ // on that day. It is therefore parsed out to fields as 3:30 am. Then we
+ // add 100 years, and get April 3 2004 at 3:30 am. Note that April 3 2004 is
+ // a Saturday, so it can have a 2:30 am -- and it should. [LIU]
+ /*
+ UDate parsedDate = calendar.getTime();
+ if( ambiguousYear[0] && !parsedDate.after(fDefaultCenturyStart) ) {
+ calendar.add(Calendar.YEAR, 100);
+ parsedDate = calendar.getTime();
+ }
+ */
+ // Because of the above condition, save off the fields in case we need to readjust.
+ // The procedure we use here is not particularly efficient, but there is no other
+ // way to do this given the API restrictions present in Calendar. We minimize
+ // inefficiency by only performing this computation when it might apply, that is,
+ // when the two-digit year is equal to the start year, and thus might fall at the
+ // front or the back of the default century. This only works because we adjust
+ // the year correctly to start with in other cases -- see subParse().
+ if (ambiguousYear[0] || tzTimeType != UTZFMT_TIME_TYPE_UNKNOWN) // If this is true then the two-digit year == the default start year
+ {
+ // We need a copy of the fields, and we need to avoid triggering a call to
+ // complete(), which will recalculate the fields. Since we can't access
+ // the fields[] array in Calendar, we clone the entire object. This will
+ // stop working if Calendar.clone() is ever rewritten to call complete().
+ Calendar *copy;
+ if (ambiguousYear[0]) {
+ copy = cal.clone();
+ // Check for failed cloning.
+ if (copy == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ goto ExitParse;
+ }
+ UDate parsedDate = copy->getTime(status);
+ // {sfb} check internalGetDefaultCenturyStart
+ if (fHaveDefaultCentury && (parsedDate < fDefaultCenturyStart)) {
+ // We can't use add here because that does a complete() first.
+ cal.set(UCAL_YEAR, fDefaultCenturyStartYear + 100);
+ }
+ delete copy;
+ }
+
+ if (tzTimeType != UTZFMT_TIME_TYPE_UNKNOWN) {
+ copy = cal.clone();
+ // Check for failed cloning.
+ if (copy == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ goto ExitParse;
+ }
+ const TimeZone & tz = cal.getTimeZone();
+ BasicTimeZone *btz = nullptr;
+
+ if (dynamic_cast<const OlsonTimeZone *>(&tz) != nullptr
+ || dynamic_cast<const SimpleTimeZone *>(&tz) != nullptr
+ || dynamic_cast<const RuleBasedTimeZone *>(&tz) != nullptr
+ || dynamic_cast<const VTimeZone *>(&tz) != nullptr) {
+ btz = (BasicTimeZone*)&tz;
+ }
+
+ // Get local millis
+ copy->set(UCAL_ZONE_OFFSET, 0);
+ copy->set(UCAL_DST_OFFSET, 0);
+ UDate localMillis = copy->getTime(status);
+
+ // Make sure parsed time zone type (Standard or Daylight)
+ // matches the rule used by the parsed time zone.
+ int32_t raw, dst;
+ if (btz != nullptr) {
+ if (tzTimeType == UTZFMT_TIME_TYPE_STANDARD) {
+ btz->getOffsetFromLocal(localMillis,
+ UCAL_TZ_LOCAL_STANDARD_FORMER, UCAL_TZ_LOCAL_STANDARD_LATTER, raw, dst, status);
+ } else {
+ btz->getOffsetFromLocal(localMillis,
+ UCAL_TZ_LOCAL_DAYLIGHT_FORMER, UCAL_TZ_LOCAL_DAYLIGHT_LATTER, raw, dst, status);
+ }
+ } else {
+ // No good way to resolve ambiguous time at transition,
+ // but following code work in most case.
+ tz.getOffset(localMillis, true, raw, dst, status);
+ }
+
+ // Now, compare the results with parsed type, either standard or daylight saving time
+ int32_t resolvedSavings = dst;
+ if (tzTimeType == UTZFMT_TIME_TYPE_STANDARD) {
+ if (dst != 0) {
+ // Override DST_OFFSET = 0 in the result calendar
+ resolvedSavings = 0;
+ }
+ } else { // tztype == TZTYPE_DST
+ if (dst == 0) {
+ if (btz != nullptr) {
+ // This implementation resolves daylight saving time offset
+ // closest rule after the given time.
+ UDate baseTime = localMillis + raw;
+ UDate time = baseTime;
+ UDate limit = baseTime + MAX_DAYLIGHT_DETECTION_RANGE;
+ TimeZoneTransition trs;
+ UBool trsAvail;
+
+ // Search for DST rule after the given time
+ while (time < limit) {
+ trsAvail = btz->getNextTransition(time, false, trs);
+ if (!trsAvail) {
+ break;
+ }
+ resolvedSavings = trs.getTo()->getDSTSavings();
+ if (resolvedSavings != 0) {
+ break;
+ }
+ time = trs.getTime();
+ }
+
+ if (resolvedSavings == 0) {
+ // If no DST rule after the given time was found, search for
+ // DST rule before.
+ time = baseTime;
+ limit = baseTime - MAX_DAYLIGHT_DETECTION_RANGE;
+ while (time > limit) {
+ trsAvail = btz->getPreviousTransition(time, true, trs);
+ if (!trsAvail) {
+ break;
+ }
+ resolvedSavings = trs.getFrom()->getDSTSavings();
+ if (resolvedSavings != 0) {
+ break;
+ }
+ time = trs.getTime() - 1;
+ }
+
+ if (resolvedSavings == 0) {
+ resolvedSavings = btz->getDSTSavings();
+ }
+ }
+ } else {
+ resolvedSavings = tz.getDSTSavings();
+ }
+ if (resolvedSavings == 0) {
+ // final fallback
+ resolvedSavings = U_MILLIS_PER_HOUR;
+ }
+ }
+ }
+ cal.set(UCAL_ZONE_OFFSET, raw);
+ cal.set(UCAL_DST_OFFSET, resolvedSavings);
+ delete copy;
+ }
+ }
+ExitParse:
+ // Set the parsed result if local calendar is used
+ // instead of the input calendar
+ if (U_SUCCESS(status) && workCal != &cal) {
+ cal.setTimeZone(workCal->getTimeZone());
+ cal.setTime(workCal->getTime(status), status);
+ }
+
+ if (numericLeapMonthFormatter != nullptr) {
+ delete numericLeapMonthFormatter;
+ }
+ if (calClone != nullptr) {
+ delete calClone;
+ }
+
+ // If any Calendar calls failed, we pretend that we
+ // couldn't parse the string, when in reality this isn't quite accurate--
+ // we did parse it; the Calendar calls just failed.
+ if (U_FAILURE(status)) {
+ parsePos.setErrorIndex(pos);
+ parsePos.setIndex(start);
+ }
+}
+
+//----------------------------------------------------------------------
+
+static int32_t
+matchStringWithOptionalDot(const UnicodeString &text,
+ int32_t index,
+ const UnicodeString &data);
+
+int32_t SimpleDateFormat::matchQuarterString(const UnicodeString& text,
+ int32_t start,
+ UCalendarDateFields field,
+ const UnicodeString* data,
+ int32_t dataCount,
+ Calendar& cal) const
+{
+ int32_t i = 0;
+ int32_t count = dataCount;
+
+ // There may be multiple strings in the data[] array which begin with
+ // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech).
+ // We keep track of the longest match, and return that. Note that this
+ // unfortunately requires us to test all array elements.
+ int32_t bestMatchLength = 0, bestMatch = -1;
+ UnicodeString bestMatchName;
+
+ for (; i < count; ++i) {
+ int32_t matchLength = 0;
+ if ((matchLength = matchStringWithOptionalDot(text, start, data[i])) > bestMatchLength) {
+ bestMatchLength = matchLength;
+ bestMatch = i;
+ }
+ }
+
+ if (bestMatch >= 0) {
+ cal.set(field, bestMatch * 3);
+ return start + bestMatchLength;
+ }
+
+ return -start;
+}
+
+int32_t SimpleDateFormat::matchDayPeriodStrings(const UnicodeString& text, int32_t start,
+ const UnicodeString* data, int32_t dataCount,
+ int32_t &dayPeriod) const
+{
+
+ int32_t bestMatchLength = 0, bestMatch = -1;
+
+ for (int32_t i = 0; i < dataCount; ++i) {
+ int32_t matchLength = 0;
+ if ((matchLength = matchStringWithOptionalDot(text, start, data[i])) > bestMatchLength) {
+ bestMatchLength = matchLength;
+ bestMatch = i;
+ }
+ }
+
+ if (bestMatch >= 0) {
+ dayPeriod = bestMatch;
+ return start + bestMatchLength;
+ }
+
+ return -start;
+}
+
+//----------------------------------------------------------------------
+UBool SimpleDateFormat::matchLiterals(const UnicodeString &pattern,
+ int32_t &patternOffset,
+ const UnicodeString &text,
+ int32_t &textOffset,
+ UBool whitespaceLenient,
+ UBool partialMatchLenient,
+ UBool oldLeniency)
+{
+ UBool inQuote = false;
+ UnicodeString literal;
+ int32_t i = patternOffset;
+
+ // scan pattern looking for contiguous literal characters
+ for ( ; i < pattern.length(); i += 1) {
+ char16_t ch = pattern.charAt(i);
+
+ if (!inQuote && isSyntaxChar(ch)) {
+ break;
+ }
+
+ if (ch == QUOTE) {
+ // Match a quote literal ('') inside OR outside of quotes
+ if ((i + 1) < pattern.length() && pattern.charAt(i + 1) == QUOTE) {
+ i += 1;
+ } else {
+ inQuote = !inQuote;
+ continue;
+ }
+ }
+
+ literal += ch;
+ }
+
+ // at this point, literal contains the literal text
+ // and i is the index of the next non-literal pattern character.
+ int32_t p;
+ int32_t t = textOffset;
+
+ if (whitespaceLenient) {
+ // trim leading, trailing whitespace from
+ // the literal text
+ literal.trim();
+
+ // ignore any leading whitespace in the text
+ while (t < text.length() && u_isWhitespace(text.charAt(t))) {
+ t += 1;
+ }
+ }
+
+ for (p = 0; p < literal.length() && t < text.length();) {
+ UBool needWhitespace = false;
+
+ while (p < literal.length() && PatternProps::isWhiteSpace(literal.charAt(p))) {
+ needWhitespace = true;
+ p += 1;
+ }
+
+ if (needWhitespace) {
+ int32_t tStart = t;
+
+ while (t < text.length()) {
+ char16_t tch = text.charAt(t);
+
+ if (!u_isUWhiteSpace(tch) && !PatternProps::isWhiteSpace(tch)) {
+ break;
+ }
+
+ t += 1;
+ }
+
+ // TODO: should we require internal spaces
+ // in lenient mode? (There won't be any
+ // leading or trailing spaces)
+ if (!whitespaceLenient && t == tStart) {
+ // didn't find matching whitespace:
+ // an error in strict mode
+ return false;
+ }
+
+ // In strict mode, this run of whitespace
+ // may have been at the end.
+ if (p >= literal.length()) {
+ break;
+ }
+ }
+ if (t >= text.length() || literal.charAt(p) != text.charAt(t)) {
+ // Ran out of text, or found a non-matching character:
+ // OK in lenient mode, an error in strict mode.
+ if (whitespaceLenient) {
+ if (t == textOffset && text.charAt(t) == 0x2e &&
+ isAfterNonNumericField(pattern, patternOffset)) {
+ // Lenient mode and the literal input text begins with a "." and
+ // we are after a non-numeric field: We skip the "."
+ ++t;
+ continue; // Do not update p.
+ }
+ // if it is actual whitespace and we're whitespace lenient it's OK
+
+ char16_t wsc = text.charAt(t);
+ if(PatternProps::isWhiteSpace(wsc)) {
+ // Lenient mode and it's just whitespace we skip it
+ ++t;
+ continue; // Do not update p.
+ }
+ }
+ // hack around oldleniency being a bit of a catch-all bucket and we're just adding support specifically for partial matches
+ if(partialMatchLenient && oldLeniency) {
+ break;
+ }
+
+ return false;
+ }
+ ++p;
+ ++t;
+ }
+
+ // At this point if we're in strict mode we have a complete match.
+ // If we're in lenient mode we may have a partial match, or no
+ // match at all.
+ if (p <= 0) {
+ // no match. Pretend it matched a run of whitespace
+ // and ignorables in the text.
+ const UnicodeSet *ignorables = nullptr;
+ UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(pattern.charAt(i));
+ if (patternCharIndex != UDAT_FIELD_COUNT) {
+ ignorables = SimpleDateFormatStaticSets::getIgnorables(patternCharIndex);
+ }
+
+ for (t = textOffset; t < text.length(); t += 1) {
+ char16_t ch = text.charAt(t);
+
+ if (ignorables == nullptr || !ignorables->contains(ch)) {
+ break;
+ }
+ }
+ }
+
+ // if we get here, we've got a complete match.
+ patternOffset = i - 1;
+ textOffset = t;
+
+ return true;
+}
+
+//----------------------------------------------------------------------
+// check both wide and abbrev months.
+// Does not currently handle monthPattern.
+// UCalendarDateFields field = UCAL_MONTH
+
+int32_t SimpleDateFormat::matchAlphaMonthStrings(const UnicodeString& text,
+ int32_t start,
+ const UnicodeString* wideData,
+ const UnicodeString* shortData,
+ int32_t dataCount,
+ Calendar& cal) const
+{
+ int32_t i;
+ int32_t bestMatchLength = 0, bestMatch = -1;
+
+ for (i = 0; i < dataCount; ++i) {
+ int32_t matchLen = 0;
+ if ((matchLen = matchStringWithOptionalDot(text, start, wideData[i])) > bestMatchLength) {
+ bestMatch = i;
+ bestMatchLength = matchLen;
+ }
+ }
+ for (i = 0; i < dataCount; ++i) {
+ int32_t matchLen = 0;
+ if ((matchLen = matchStringWithOptionalDot(text, start, shortData[i])) > bestMatchLength) {
+ bestMatch = i;
+ bestMatchLength = matchLen;
+ }
+ }
+
+ if (bestMatch >= 0) {
+ // Adjustment for Hebrew Calendar month Adar II
+ if (!strcmp(cal.getType(),"hebrew") && bestMatch==13) {
+ cal.set(UCAL_MONTH,6);
+ } else {
+ cal.set(UCAL_MONTH, bestMatch);
+ }
+ return start + bestMatchLength;
+ }
+
+ return -start;
+}
+
+//----------------------------------------------------------------------
+
+int32_t SimpleDateFormat::matchString(const UnicodeString& text,
+ int32_t start,
+ UCalendarDateFields field,
+ const UnicodeString* data,
+ int32_t dataCount,
+ const UnicodeString* monthPattern,
+ Calendar& cal) const
+{
+ int32_t i = 0;
+ int32_t count = dataCount;
+
+ if (field == UCAL_DAY_OF_WEEK) i = 1;
+
+ // There may be multiple strings in the data[] array which begin with
+ // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech).
+ // We keep track of the longest match, and return that. Note that this
+ // unfortunately requires us to test all array elements.
+ // But this does not really work for cases such as Chuvash in which
+ // May is "ҫу" and August is "ҫурла"/"ҫур.", hence matchAlphaMonthStrings.
+ int32_t bestMatchLength = 0, bestMatch = -1;
+ UnicodeString bestMatchName;
+ int32_t isLeapMonth = 0;
+
+ for (; i < count; ++i) {
+ int32_t matchLen = 0;
+ if ((matchLen = matchStringWithOptionalDot(text, start, data[i])) > bestMatchLength) {
+ bestMatch = i;
+ bestMatchLength = matchLen;
+ }
+
+ if (monthPattern != nullptr) {
+ UErrorCode status = U_ZERO_ERROR;
+ UnicodeString leapMonthName;
+ SimpleFormatter(*monthPattern, 1, 1, status).format(data[i], leapMonthName, status);
+ if (U_SUCCESS(status)) {
+ if ((matchLen = matchStringWithOptionalDot(text, start, leapMonthName)) > bestMatchLength) {
+ bestMatch = i;
+ bestMatchLength = matchLen;
+ isLeapMonth = 1;
+ }
+ }
+ }
+ }
+
+ if (bestMatch >= 0) {
+ if (field < UCAL_FIELD_COUNT) {
+ // Adjustment for Hebrew Calendar month Adar II
+ if (!strcmp(cal.getType(),"hebrew") && field==UCAL_MONTH && bestMatch==13) {
+ cal.set(field,6);
+ } else {
+ if (field == UCAL_YEAR) {
+ bestMatch++; // only get here for cyclic year names, which match 1-based years 1-60
+ }
+ cal.set(field, bestMatch);
+ }
+ if (monthPattern != nullptr) {
+ cal.set(UCAL_IS_LEAP_MONTH, isLeapMonth);
+ }
+ }
+
+ return start + bestMatchLength;
+ }
+
+ return -start;
+}
+
+static int32_t
+matchStringWithOptionalDot(const UnicodeString &text,
+ int32_t index,
+ const UnicodeString &data) {
+ UErrorCode sts = U_ZERO_ERROR;
+ int32_t matchLenText = 0;
+ int32_t matchLenData = 0;
+
+ u_caseInsensitivePrefixMatch(text.getBuffer() + index, text.length() - index,
+ data.getBuffer(), data.length(),
+ 0 /* default case option */,
+ &matchLenText, &matchLenData,
+ &sts);
+ U_ASSERT (U_SUCCESS(sts));
+
+ if (matchLenData == data.length() /* normal match */
+ || (data.charAt(data.length() - 1) == 0x2e
+ && matchLenData == data.length() - 1 /* match without trailing dot */)) {
+ return matchLenText;
+ }
+
+ return 0;
+}
+
+//----------------------------------------------------------------------
+
+void
+SimpleDateFormat::set2DigitYearStart(UDate d, UErrorCode& status)
+{
+ parseAmbiguousDatesAsAfter(d, status);
+}
+
+/**
+ * Private member function that converts the parsed date strings into
+ * timeFields. Returns -start (for ParsePosition) if failed.
+ */
+int32_t SimpleDateFormat::subParse(const UnicodeString& text, int32_t& start, char16_t ch, int32_t count,
+ UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], int32_t& saveHebrewMonth, Calendar& cal,
+ int32_t patLoc, MessageFormat * numericLeapMonthFormatter, UTimeZoneFormatTimeType *tzTimeType,
+ int32_t *dayPeriod) const
+{
+ Formattable number;
+ int32_t value = 0;
+ int32_t i;
+ int32_t ps = 0;
+ UErrorCode status = U_ZERO_ERROR;
+ ParsePosition pos(0);
+ UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch);
+ const NumberFormat *currentNumberFormat;
+ UnicodeString temp;
+ UBool gotNumber = false;
+
+#if defined (U_DEBUG_CAL)
+ //fprintf(stderr, "%s:%d - [%c] st=%d \n", __FILE__, __LINE__, (char) ch, start);
+#endif
+
+ if (patternCharIndex == UDAT_FIELD_COUNT) {
+ return -start;
+ }
+
+ currentNumberFormat = getNumberFormatByIndex(patternCharIndex);
+ if (currentNumberFormat == nullptr) {
+ return -start;
+ }
+ UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; // UCAL_FIELD_COUNT if irrelevant
+ UnicodeString hebr("hebr", 4, US_INV);
+
+ if (numericLeapMonthFormatter != nullptr) {
+ numericLeapMonthFormatter->setFormats((const Format **)&currentNumberFormat, 1);
+ }
+ UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 0 || uprv_strcmp(cal.getType(),"dangi") == 0);
+
+ // If there are any spaces here, skip over them. If we hit the end
+ // of the string, then fail.
+ for (;;) {
+ if (start >= text.length()) {
+ return -start;
+ }
+ UChar32 c = text.char32At(start);
+ if (!u_isUWhiteSpace(c) /*||*/ && !PatternProps::isWhiteSpace(c)) {
+ break;
+ }
+ start += U16_LENGTH(c);
+ }
+ pos.setIndex(start);
+
+ // We handle a few special cases here where we need to parse
+ // a number value. We handle further, more generic cases below. We need
+ // to handle some of them here because some fields require extra processing on
+ // the parsed value.
+ if (patternCharIndex == UDAT_HOUR_OF_DAY1_FIELD || // k
+ patternCharIndex == UDAT_HOUR_OF_DAY0_FIELD || // H
+ patternCharIndex == UDAT_HOUR1_FIELD || // h
+ patternCharIndex == UDAT_HOUR0_FIELD || // K
+ (patternCharIndex == UDAT_DOW_LOCAL_FIELD && count <= 2) || // e
+ (patternCharIndex == UDAT_STANDALONE_DAY_FIELD && count <= 2) || // c
+ (patternCharIndex == UDAT_MONTH_FIELD && count <= 2) || // M
+ (patternCharIndex == UDAT_STANDALONE_MONTH_FIELD && count <= 2) || // L
+ (patternCharIndex == UDAT_QUARTER_FIELD && count <= 2) || // Q
+ (patternCharIndex == UDAT_STANDALONE_QUARTER_FIELD && count <= 2) || // q
+ patternCharIndex == UDAT_YEAR_FIELD || // y
+ patternCharIndex == UDAT_YEAR_WOY_FIELD || // Y
+ patternCharIndex == UDAT_YEAR_NAME_FIELD || // U (falls back to numeric)
+ (patternCharIndex == UDAT_ERA_FIELD && isChineseCalendar) || // G
+ patternCharIndex == UDAT_FRACTIONAL_SECOND_FIELD) // S
+ {
+ int32_t parseStart = pos.getIndex();
+ // It would be good to unify this with the obeyCount logic below,
+ // but that's going to be difficult.
+ const UnicodeString* src;
+
+ UBool parsedNumericLeapMonth = false;
+ if (numericLeapMonthFormatter != nullptr && (patternCharIndex == UDAT_MONTH_FIELD || patternCharIndex == UDAT_STANDALONE_MONTH_FIELD)) {
+ int32_t argCount;
+ Formattable * args = numericLeapMonthFormatter->parse(text, pos, argCount);
+ if (args != nullptr && argCount == 1 && pos.getIndex() > parseStart && args[0].isNumeric()) {
+ parsedNumericLeapMonth = true;
+ number.setLong(args[0].getLong());
+ cal.set(UCAL_IS_LEAP_MONTH, 1);
+ delete[] args;
+ } else {
+ pos.setIndex(parseStart);
+ cal.set(UCAL_IS_LEAP_MONTH, 0);
+ }
+ }
+
+ if (!parsedNumericLeapMonth) {
+ if (obeyCount) {
+ if ((start+count) > text.length()) {
+ return -start;
+ }
+
+ text.extractBetween(0, start + count, temp);
+ src = &temp;
+ } else {
+ src = &text;
+ }
+
+ parseInt(*src, number, pos, allowNegative,currentNumberFormat);
+ }
+
+ int32_t txtLoc = pos.getIndex();
+
+ if (txtLoc > parseStart) {
+ value = number.getLong();
+ gotNumber = true;
+
+ // suffix processing
+ if (value < 0 ) {
+ txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, true);
+ if (txtLoc != pos.getIndex()) {
+ value *= -1;
+ }
+ }
+ else {
+ txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, false);
+ }
+
+ if (!getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)) {
+ // Check the range of the value
+ int32_t bias = gFieldRangeBias[patternCharIndex];
+ if (bias >= 0 && (value > cal.getMaximum(field) + bias || value < cal.getMinimum(field) + bias)) {
+ return -start;
+ }
+ }
+
+ pos.setIndex(txtLoc);
+ }
+ }
+
+ // Make sure that we got a number if
+ // we want one, and didn't get one
+ // if we don't want one.
+ switch (patternCharIndex) {
+ case UDAT_HOUR_OF_DAY1_FIELD:
+ case UDAT_HOUR_OF_DAY0_FIELD:
+ case UDAT_HOUR1_FIELD:
+ case UDAT_HOUR0_FIELD:
+ // special range check for hours:
+ if (value < 0 || value > 24) {
+ return -start;
+ }
+
+ // fall through to gotNumber check
+ U_FALLTHROUGH;
+ case UDAT_YEAR_FIELD:
+ case UDAT_YEAR_WOY_FIELD:
+ case UDAT_FRACTIONAL_SECOND_FIELD:
+ // these must be a number
+ if (! gotNumber) {
+ return -start;
+ }
+
+ break;
+
+ default:
+ // we check the rest of the fields below.
+ break;
+ }
+
+ switch (patternCharIndex) {
+ case UDAT_ERA_FIELD:
+ if (isChineseCalendar) {
+ if (!gotNumber) {
+ return -start;
+ }
+ cal.set(UCAL_ERA, value);
+ return pos.getIndex();
+ }
+ if (count == 5) {
+ ps = matchString(text, start, UCAL_ERA, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount, nullptr, cal);
+ } else if (count == 4) {
+ ps = matchString(text, start, UCAL_ERA, fSymbols->fEraNames, fSymbols->fEraNamesCount, nullptr, cal);
+ } else {
+ ps = matchString(text, start, UCAL_ERA, fSymbols->fEras, fSymbols->fErasCount, nullptr, cal);
+ }
+
+ // check return position, if it equals -start, then matchString error
+ // special case the return code so we don't necessarily fail out until we
+ // verify no year information also
+ if (ps == -start)
+ ps--;
+
+ return ps;
+
+ case UDAT_YEAR_FIELD:
+ // If there are 3 or more YEAR pattern characters, this indicates
+ // that the year value is to be treated literally, without any
+ // two-digit year adjustments (e.g., from "01" to 2001). Otherwise
+ // we made adjustments to place the 2-digit year in the proper
+ // century, for parsed strings from "00" to "99". Any other string
+ // is treated literally: "2250", "-1", "1", "002".
+ if (fDateOverride.compare(hebr)==0 && value < 1000) {
+ value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR;
+ } else if (text.moveIndex32(start, 2) == pos.getIndex() && !isChineseCalendar
+ && u_isdigit(text.char32At(start))
+ && u_isdigit(text.char32At(text.moveIndex32(start, 1))))
+ {
+ // only adjust year for patterns less than 3.
+ if(count < 3) {
+ // Assume for example that the defaultCenturyStart is 6/18/1903.
+ // This means that two-digit years will be forced into the range
+ // 6/18/1903 to 6/17/2003. As a result, years 00, 01, and 02
+ // correspond to 2000, 2001, and 2002. Years 04, 05, etc. correspond
+ // to 1904, 1905, etc. If the year is 03, then it is 2003 if the
+ // other fields specify a date before 6/18, or 1903 if they specify a
+ // date afterwards. As a result, 03 is an ambiguous year. All other
+ // two-digit years are unambiguous.
+ if(fHaveDefaultCentury) { // check if this formatter even has a pivot year
+ int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100;
+ ambiguousYear[0] = (value == ambiguousTwoDigitYear);
+ value += (fDefaultCenturyStartYear/100)*100 +
+ (value < ambiguousTwoDigitYear ? 100 : 0);
+ }
+ }
+ }
+ cal.set(UCAL_YEAR, value);
+
+ // Delayed checking for adjustment of Hebrew month numbers in non-leap years.
+ if (saveHebrewMonth >= 0) {
+ HebrewCalendar *hc = (HebrewCalendar*)&cal;
+ if (!hc->isLeapYear(value) && saveHebrewMonth >= 6) {
+ cal.set(UCAL_MONTH,saveHebrewMonth);
+ } else {
+ cal.set(UCAL_MONTH,saveHebrewMonth-1);
+ }
+ saveHebrewMonth = -1;
+ }
+ return pos.getIndex();
+
+ case UDAT_YEAR_WOY_FIELD:
+ // Comment is the same as for UDAT_Year_FIELDs - look above
+ if (fDateOverride.compare(hebr)==0 && value < 1000) {
+ value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR;
+ } else if (text.moveIndex32(start, 2) == pos.getIndex()
+ && u_isdigit(text.char32At(start))
+ && u_isdigit(text.char32At(text.moveIndex32(start, 1)))
+ && fHaveDefaultCentury )
+ {
+ int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100;
+ ambiguousYear[0] = (value == ambiguousTwoDigitYear);
+ value += (fDefaultCenturyStartYear/100)*100 +
+ (value < ambiguousTwoDigitYear ? 100 : 0);
+ }
+ cal.set(UCAL_YEAR_WOY, value);
+ return pos.getIndex();
+
+ case UDAT_YEAR_NAME_FIELD:
+ if (fSymbols->fShortYearNames != nullptr) {
+ int32_t newStart = matchString(text, start, UCAL_YEAR, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount, nullptr, cal);
+ if (newStart > 0) {
+ return newStart;
+ }
+ }
+ if (gotNumber && (getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC,status) || value > fSymbols->fShortYearNamesCount)) {
+ cal.set(UCAL_YEAR, value);
+ return pos.getIndex();
+ }
+ return -start;
+
+ case UDAT_MONTH_FIELD:
+ case UDAT_STANDALONE_MONTH_FIELD:
+ if (gotNumber) // i.e., M or MM.
+ {
+ // When parsing month numbers from the Hebrew Calendar, we might need to adjust the month depending on whether
+ // or not it was a leap year. We may or may not yet know what year it is, so might have to delay checking until
+ // the year is parsed.
+ if (!strcmp(cal.getType(),"hebrew")) {
+ HebrewCalendar *hc = (HebrewCalendar*)&cal;
+ if (cal.isSet(UCAL_YEAR)) {
+ UErrorCode monthStatus = U_ZERO_ERROR;
+ if (!hc->isLeapYear(hc->get(UCAL_YEAR, monthStatus)) && value >= 6) {
+ cal.set(UCAL_MONTH, value);
+ } else {
+ cal.set(UCAL_MONTH, value - 1);
+ }
+ } else {
+ saveHebrewMonth = value;
+ }
+ } else {
+ // Don't want to parse the month if it is a string
+ // while pattern uses numeric style: M/MM, L/LL
+ // [We computed 'value' above.]
+ cal.set(UCAL_MONTH, value - 1);
+ }
+ return pos.getIndex();
+ } else {
+ // count >= 3 // i.e., MMM/MMMM, LLL/LLLL
+ // Want to be able to parse both short and long forms.
+ // Try count == 4 first:
+ UnicodeString * wideMonthPat = nullptr;
+ UnicodeString * shortMonthPat = nullptr;
+ if (fSymbols->fLeapMonthPatterns != nullptr && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) {
+ if (patternCharIndex==UDAT_MONTH_FIELD) {
+ wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide];
+ shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev];
+ } else {
+ wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide];
+ shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev];
+ }
+ }
+ int32_t newStart = 0;
+ if (patternCharIndex==UDAT_MONTH_FIELD) {
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) && count>=3 && count <=4 &&
+ fSymbols->fLeapMonthPatterns==nullptr && fSymbols->fMonthsCount==fSymbols->fShortMonthsCount) {
+ // single function to check both wide and short, an experiment
+ newStart = matchAlphaMonthStrings(text, start, fSymbols->fMonths, fSymbols->fShortMonths, fSymbols->fMonthsCount, cal); // try MMMM,MMM
+ if (newStart > 0) {
+ return newStart;
+ }
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) {
+ newStart = matchString(text, start, UCAL_MONTH, fSymbols->fMonths, fSymbols->fMonthsCount, wideMonthPat, cal); // try MMMM
+ if (newStart > 0) {
+ return newStart;
+ }
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) {
+ newStart = matchString(text, start, UCAL_MONTH, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, shortMonthPat, cal); // try MMM
+ }
+ } else {
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) && count>=3 && count <=4 &&
+ fSymbols->fLeapMonthPatterns==nullptr && fSymbols->fStandaloneMonthsCount==fSymbols->fStandaloneShortMonthsCount) {
+ // single function to check both wide and short, an experiment
+ newStart = matchAlphaMonthStrings(text, start, fSymbols->fStandaloneMonths, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneMonthsCount, cal); // try MMMM,MMM
+ if (newStart > 0) {
+ return newStart;
+ }
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) {
+ newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, wideMonthPat, cal); // try LLLL
+ if (newStart > 0) {
+ return newStart;
+ }
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) {
+ newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, shortMonthPat, cal); // try LLL
+ }
+ }
+ if (newStart > 0 || !getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) // currently we do not try to parse MMMMM/LLLLL: #8860
+ return newStart;
+ // else we allowing parsing as number, below
+ }
+ break;
+
+ case UDAT_HOUR_OF_DAY1_FIELD:
+ // [We computed 'value' above.]
+ if (value == cal.getMaximum(UCAL_HOUR_OF_DAY) + 1)
+ value = 0;
+
+ // fall through to set field
+ U_FALLTHROUGH;
+ case UDAT_HOUR_OF_DAY0_FIELD:
+ cal.set(UCAL_HOUR_OF_DAY, value);
+ return pos.getIndex();
+
+ case UDAT_FRACTIONAL_SECOND_FIELD:
+ // Fractional seconds left-justify
+ i = countDigits(text, start, pos.getIndex());
+ if (i < 3) {
+ while (i < 3) {
+ value *= 10;
+ i++;
+ }
+ } else {
+ int32_t a = 1;
+ while (i > 3) {
+ a *= 10;
+ i--;
+ }
+ value /= a;
+ }
+ cal.set(UCAL_MILLISECOND, value);
+ return pos.getIndex();
+
+ case UDAT_DOW_LOCAL_FIELD:
+ if (gotNumber) // i.e., e or ee
+ {
+ // [We computed 'value' above.]
+ cal.set(UCAL_DOW_LOCAL, value);
+ return pos.getIndex();
+ }
+ // else for eee-eeeee fall through to handling of EEE-EEEEE
+ // fall through, do not break here
+ U_FALLTHROUGH;
+ case UDAT_DAY_OF_WEEK_FIELD:
+ {
+ // Want to be able to parse both short and long forms.
+ // Try count == 4 (EEEE) wide first:
+ int32_t newStart = 0;
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) {
+ if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
+ fSymbols->fWeekdays, fSymbols->fWeekdaysCount, nullptr, cal)) > 0)
+ return newStart;
+ }
+ // EEEE wide failed, now try EEE abbreviated
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) {
+ if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
+ fSymbols->fShortWeekdays, fSymbols->fShortWeekdaysCount, nullptr, cal)) > 0)
+ return newStart;
+ }
+ // EEE abbreviated failed, now try EEEEEE short
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 6) {
+ if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
+ fSymbols->fShorterWeekdays, fSymbols->fShorterWeekdaysCount, nullptr, cal)) > 0)
+ return newStart;
+ }
+ // EEEEEE short failed, now try EEEEE narrow
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) {
+ if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
+ fSymbols->fNarrowWeekdays, fSymbols->fNarrowWeekdaysCount, nullptr, cal)) > 0)
+ return newStart;
+ }
+ if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status) || patternCharIndex == UDAT_DAY_OF_WEEK_FIELD)
+ return newStart;
+ // else we allowing parsing as number, below
+ }
+ break;
+
+ case UDAT_STANDALONE_DAY_FIELD:
+ {
+ if (gotNumber) // c or cc
+ {
+ // [We computed 'value' above.]
+ cal.set(UCAL_DOW_LOCAL, value);
+ return pos.getIndex();
+ }
+ // Want to be able to parse both short and long forms.
+ // Try count == 4 (cccc) first:
+ int32_t newStart = 0;
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) {
+ if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
+ fSymbols->fStandaloneWeekdays, fSymbols->fStandaloneWeekdaysCount, nullptr, cal)) > 0)
+ return newStart;
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) {
+ if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
+ fSymbols->fStandaloneShortWeekdays, fSymbols->fStandaloneShortWeekdaysCount, nullptr, cal)) > 0)
+ return newStart;
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 6) {
+ if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
+ fSymbols->fStandaloneShorterWeekdays, fSymbols->fStandaloneShorterWeekdaysCount, nullptr, cal)) > 0)
+ return newStart;
+ }
+ if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status))
+ return newStart;
+ // else we allowing parsing as number, below
+ }
+ break;
+
+ case UDAT_AM_PM_FIELD:
+ {
+ // optionally try both wide/abbrev and narrow forms
+ int32_t newStart = 0;
+ // try wide/abbrev
+ if( getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count < 5 ) {
+ if ((newStart = matchString(text, start, UCAL_AM_PM, fSymbols->fAmPms, fSymbols->fAmPmsCount, nullptr, cal)) > 0) {
+ return newStart;
+ }
+ }
+ // try narrow
+ if( getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count >= 5 ) {
+ if ((newStart = matchString(text, start, UCAL_AM_PM, fSymbols->fNarrowAmPms, fSymbols->fNarrowAmPmsCount, nullptr, cal)) > 0) {
+ return newStart;
+ }
+ }
+ // no matches for given options
+ return -start;
+ }
+
+ case UDAT_HOUR1_FIELD:
+ // [We computed 'value' above.]
+ if (value == cal.getLeastMaximum(UCAL_HOUR)+1)
+ value = 0;
+
+ // fall through to set field
+ U_FALLTHROUGH;
+ case UDAT_HOUR0_FIELD:
+ cal.set(UCAL_HOUR, value);
+ return pos.getIndex();
+
+ case UDAT_QUARTER_FIELD:
+ if (gotNumber) // i.e., Q or QQ.
+ {
+ // Don't want to parse the month if it is a string
+ // while pattern uses numeric style: Q or QQ.
+ // [We computed 'value' above.]
+ cal.set(UCAL_MONTH, (value - 1) * 3);
+ return pos.getIndex();
+ } else {
+ // count >= 3 // i.e., QQQ or QQQQ
+ // Want to be able to parse short, long, and narrow forms.
+ // Try count == 4 first:
+ int32_t newStart = 0;
+
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) {
+ if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
+ fSymbols->fQuarters, fSymbols->fQuartersCount, cal)) > 0)
+ return newStart;
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) {
+ if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
+ fSymbols->fShortQuarters, fSymbols->fShortQuartersCount, cal)) > 0)
+ return newStart;
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) {
+ if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
+ fSymbols->fNarrowQuarters, fSymbols->fNarrowQuartersCount, cal)) > 0)
+ return newStart;
+ }
+ if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status))
+ return newStart;
+ // else we allowing parsing as number, below
+ if(!getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status))
+ return -start;
+ }
+ break;
+
+ case UDAT_STANDALONE_QUARTER_FIELD:
+ if (gotNumber) // i.e., q or qq.
+ {
+ // Don't want to parse the month if it is a string
+ // while pattern uses numeric style: q or q.
+ // [We computed 'value' above.]
+ cal.set(UCAL_MONTH, (value - 1) * 3);
+ return pos.getIndex();
+ } else {
+ // count >= 3 // i.e., qqq or qqqq
+ // Want to be able to parse both short and long forms.
+ // Try count == 4 first:
+ int32_t newStart = 0;
+
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) {
+ if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
+ fSymbols->fStandaloneQuarters, fSymbols->fStandaloneQuartersCount, cal)) > 0)
+ return newStart;
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) {
+ if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
+ fSymbols->fStandaloneShortQuarters, fSymbols->fStandaloneShortQuartersCount, cal)) > 0)
+ return newStart;
+ }
+ if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) {
+ if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
+ fSymbols->fStandaloneNarrowQuarters, fSymbols->fStandaloneNarrowQuartersCount, cal)) > 0)
+ return newStart;
+ }
+ if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status))
+ return newStart;
+ // else we allowing parsing as number, below
+ if(!getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status))
+ return -start;
+ }
+ break;
+
+ case UDAT_TIMEZONE_FIELD: // 'z'
+ {
+ UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_SPECIFIC_SHORT : UTZFMT_STYLE_SPECIFIC_LONG;
+ const TimeZoneFormat *tzfmt = tzFormat(status);
+ if (U_SUCCESS(status)) {
+ TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType);
+ if (tz != nullptr) {
+ cal.adoptTimeZone(tz);
+ return pos.getIndex();
+ }
+ }
+ return -start;
+ }
+ break;
+ case UDAT_TIMEZONE_RFC_FIELD: // 'Z'
+ {
+ UTimeZoneFormatStyle style = (count < 4) ?
+ UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL : ((count == 5) ? UTZFMT_STYLE_ISO_EXTENDED_FULL: UTZFMT_STYLE_LOCALIZED_GMT);
+ const TimeZoneFormat *tzfmt = tzFormat(status);
+ if (U_SUCCESS(status)) {
+ TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType);
+ if (tz != nullptr) {
+ cal.adoptTimeZone(tz);
+ return pos.getIndex();
+ }
+ }
+ return -start;
+ }
+ case UDAT_TIMEZONE_GENERIC_FIELD: // 'v'
+ {
+ UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_GENERIC_SHORT : UTZFMT_STYLE_GENERIC_LONG;
+ const TimeZoneFormat *tzfmt = tzFormat(status);
+ if (U_SUCCESS(status)) {
+ TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType);
+ if (tz != nullptr) {
+ cal.adoptTimeZone(tz);
+ return pos.getIndex();
+ }
+ }
+ return -start;
+ }
+ case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V'
+ {
+ UTimeZoneFormatStyle style;
+ switch (count) {
+ case 1:
+ style = UTZFMT_STYLE_ZONE_ID_SHORT;
+ break;
+ case 2:
+ style = UTZFMT_STYLE_ZONE_ID;
+ break;
+ case 3:
+ style = UTZFMT_STYLE_EXEMPLAR_LOCATION;
+ break;
+ default:
+ style = UTZFMT_STYLE_GENERIC_LOCATION;
+ break;
+ }
+ const TimeZoneFormat *tzfmt = tzFormat(status);
+ if (U_SUCCESS(status)) {
+ TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType);
+ if (tz != nullptr) {
+ cal.adoptTimeZone(tz);
+ return pos.getIndex();
+ }
+ }
+ return -start;
+ }
+ case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O'
+ {
+ UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_LOCALIZED_GMT_SHORT : UTZFMT_STYLE_LOCALIZED_GMT;
+ const TimeZoneFormat *tzfmt = tzFormat(status);
+ if (U_SUCCESS(status)) {
+ TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType);
+ if (tz != nullptr) {
+ cal.adoptTimeZone(tz);
+ return pos.getIndex();
+ }
+ }
+ return -start;
+ }
+ case UDAT_TIMEZONE_ISO_FIELD: // 'X'
+ {
+ UTimeZoneFormatStyle style;
+ switch (count) {
+ case 1:
+ style = UTZFMT_STYLE_ISO_BASIC_SHORT;
+ break;
+ case 2:
+ style = UTZFMT_STYLE_ISO_BASIC_FIXED;
+ break;
+ case 3:
+ style = UTZFMT_STYLE_ISO_EXTENDED_FIXED;
+ break;
+ case 4:
+ style = UTZFMT_STYLE_ISO_BASIC_FULL;
+ break;
+ default:
+ style = UTZFMT_STYLE_ISO_EXTENDED_FULL;
+ break;
+ }
+ const TimeZoneFormat *tzfmt = tzFormat(status);
+ if (U_SUCCESS(status)) {
+ TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType);
+ if (tz != nullptr) {
+ cal.adoptTimeZone(tz);
+ return pos.getIndex();
+ }
+ }
+ return -start;
+ }
+ case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x'
+ {
+ UTimeZoneFormatStyle style;
+ switch (count) {
+ case 1:
+ style = UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT;
+ break;
+ case 2:
+ style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED;
+ break;
+ case 3:
+ style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED;
+ break;
+ case 4:
+ style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL;
+ break;
+ default:
+ style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL;
+ break;
+ }
+ const TimeZoneFormat *tzfmt = tzFormat(status);
+ if (U_SUCCESS(status)) {
+ TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType);
+ if (tz != nullptr) {
+ cal.adoptTimeZone(tz);
+ return pos.getIndex();
+ }
+ }
+ return -start;
+ }
+ // currently no pattern character is defined for UDAT_TIME_SEPARATOR_FIELD
+ // so we should not get here. Leave support in for future definition.
+ case UDAT_TIME_SEPARATOR_FIELD:
+ {
+ static const char16_t def_sep = DateFormatSymbols::DEFAULT_TIME_SEPARATOR;
+ static const char16_t alt_sep = DateFormatSymbols::ALTERNATE_TIME_SEPARATOR;
+
+ // Try matching a time separator.
+ int32_t count_sep = 1;
+ UnicodeString data[3];
+ fSymbols->getTimeSeparatorString(data[0]);
+
+ // Add the default, if different from the locale.
+ if (data[0].compare(&def_sep, 1) != 0) {
+ data[count_sep++].setTo(def_sep);
+ }
+
+ // If lenient, add also the alternate, if different from the locale.
+ if (isLenient() && data[0].compare(&alt_sep, 1) != 0) {
+ data[count_sep++].setTo(alt_sep);
+ }
+
+ return matchString(text, start, UCAL_FIELD_COUNT /* => nothing to set */, data, count_sep, nullptr, cal);
+ }
+
+ case UDAT_AM_PM_MIDNIGHT_NOON_FIELD:
+ {
+ U_ASSERT(dayPeriod != nullptr);
+ int32_t ampmStart = subParse(text, start, 0x61, count,
+ obeyCount, allowNegative, ambiguousYear, saveHebrewMonth, cal,
+ patLoc, numericLeapMonthFormatter, tzTimeType);
+
+ if (ampmStart > 0) {
+ return ampmStart;
+ } else {
+ int32_t newStart = 0;
+
+ // Only match the first two strings from the day period strings array.
+ if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) {
+ if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fAbbreviatedDayPeriods,
+ 2, *dayPeriod)) > 0) {
+ return newStart;
+ }
+ }
+ if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) {
+ if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fNarrowDayPeriods,
+ 2, *dayPeriod)) > 0) {
+ return newStart;
+ }
+ }
+ // count == 4, but allow other counts
+ if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status)) {
+ if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fWideDayPeriods,
+ 2, *dayPeriod)) > 0) {
+ return newStart;
+ }
+ }
+
+ return -start;
+ }
+ }
+
+ case UDAT_FLEXIBLE_DAY_PERIOD_FIELD:
+ {
+ U_ASSERT(dayPeriod != nullptr);
+ int32_t newStart = 0;
+
+ if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) {
+ if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fAbbreviatedDayPeriods,
+ fSymbols->fAbbreviatedDayPeriodsCount, *dayPeriod)) > 0) {
+ return newStart;
+ }
+ }
+ if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) {
+ if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fNarrowDayPeriods,
+ fSymbols->fNarrowDayPeriodsCount, *dayPeriod)) > 0) {
+ return newStart;
+ }
+ }
+ if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) {
+ if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fWideDayPeriods,
+ fSymbols->fWideDayPeriodsCount, *dayPeriod)) > 0) {
+ return newStart;
+ }
+ }
+
+ return -start;
+ }
+
+ default:
+ // Handle "generic" fields
+ // this is now handled below, outside the switch block
+ break;
+ }
+ // Handle "generic" fields:
+ // switch default case now handled here (outside switch block) to allow
+ // parsing of some string fields as digits for lenient case
+
+ int32_t parseStart = pos.getIndex();
+ const UnicodeString* src;
+ if (obeyCount) {
+ if ((start+count) > text.length()) {
+ return -start;
+ }
+ text.extractBetween(0, start + count, temp);
+ src = &temp;
+ } else {
+ src = &text;
+ }
+ parseInt(*src, number, pos, allowNegative,currentNumberFormat);
+ if (obeyCount && !isLenient() && pos.getIndex() < start + count) {
+ return -start;
+ }
+ if (pos.getIndex() != parseStart) {
+ int32_t val = number.getLong();
+
+ // Don't need suffix processing here (as in number processing at the beginning of the function);
+ // the new fields being handled as numeric values (month, weekdays, quarters) should not have suffixes.
+
+ if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) {
+ // Check the range of the value
+ int32_t bias = gFieldRangeBias[patternCharIndex];
+ if (bias >= 0 && (val > cal.getMaximum(field) + bias || val < cal.getMinimum(field) + bias)) {
+ return -start;
+ }
+ }
+
+ // For the following, need to repeat some of the "if (gotNumber)" code above:
+ // UDAT_[STANDALONE_]MONTH_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_STANDALONE_DAY_FIELD,
+ // UDAT_[STANDALONE_]QUARTER_FIELD
+ switch (patternCharIndex) {
+ case UDAT_MONTH_FIELD:
+ // See notes under UDAT_MONTH_FIELD case above
+ if (!strcmp(cal.getType(),"hebrew")) {
+ HebrewCalendar *hc = (HebrewCalendar*)&cal;
+ if (cal.isSet(UCAL_YEAR)) {
+ UErrorCode monthStatus = U_ZERO_ERROR;
+ if (!hc->isLeapYear(hc->get(UCAL_YEAR, monthStatus)) && val >= 6) {
+ cal.set(UCAL_MONTH, val);
+ } else {
+ cal.set(UCAL_MONTH, val - 1);
+ }
+ } else {
+ saveHebrewMonth = val;
+ }
+ } else {
+ cal.set(UCAL_MONTH, val - 1);
+ }
+ break;
+ case UDAT_STANDALONE_MONTH_FIELD:
+ cal.set(UCAL_MONTH, val - 1);
+ break;
+ case UDAT_DOW_LOCAL_FIELD:
+ case UDAT_STANDALONE_DAY_FIELD:
+ cal.set(UCAL_DOW_LOCAL, val);
+ break;
+ case UDAT_QUARTER_FIELD:
+ case UDAT_STANDALONE_QUARTER_FIELD:
+ cal.set(UCAL_MONTH, (val - 1) * 3);
+ break;
+ case UDAT_RELATED_YEAR_FIELD:
+ cal.setRelatedYear(val);
+ break;
+ default:
+ cal.set(field, val);
+ break;
+ }
+ return pos.getIndex();
+ }
+ return -start;
+}
+
+/**
+ * Parse an integer using fNumberFormat. This method is semantically
+ * const, but actually may modify fNumberFormat.
+ */
+void SimpleDateFormat::parseInt(const UnicodeString& text,
+ Formattable& number,
+ ParsePosition& pos,
+ UBool allowNegative,
+ const NumberFormat *fmt) const {
+ parseInt(text, number, -1, pos, allowNegative,fmt);
+}
+
+/**
+ * Parse an integer using fNumberFormat up to maxDigits.
+ */
+void SimpleDateFormat::parseInt(const UnicodeString& text,
+ Formattable& number,
+ int32_t maxDigits,
+ ParsePosition& pos,
+ UBool allowNegative,
+ const NumberFormat *fmt) const {
+ UnicodeString oldPrefix;
+ auto* fmtAsDF = dynamic_cast<const DecimalFormat*>(fmt);
+ LocalPointer<DecimalFormat> df;
+ if (!allowNegative && fmtAsDF != nullptr) {
+ df.adoptInstead(fmtAsDF->clone());
+ if (df.isNull()) {
+ // Memory allocation error
+ return;
+ }
+ df->setNegativePrefix(UnicodeString(true, SUPPRESS_NEGATIVE_PREFIX, -1));
+ fmt = df.getAlias();
+ }
+ int32_t oldPos = pos.getIndex();
+ fmt->parse(text, number, pos);
+
+ if (maxDigits > 0) {
+ // adjust the result to fit into
+ // the maxDigits and move the position back
+ int32_t nDigits = pos.getIndex() - oldPos;
+ if (nDigits > maxDigits) {
+ int32_t val = number.getLong();
+ nDigits -= maxDigits;
+ while (nDigits > 0) {
+ val /= 10;
+ nDigits--;
+ }
+ pos.setIndex(oldPos + maxDigits);
+ number.setLong(val);
+ }
+ }
+}
+
+int32_t SimpleDateFormat::countDigits(const UnicodeString& text, int32_t start, int32_t end) const {
+ int32_t numDigits = 0;
+ int32_t idx = start;
+ while (idx < end) {
+ UChar32 cp = text.char32At(idx);
+ if (u_isdigit(cp)) {
+ numDigits++;
+ }
+ idx += U16_LENGTH(cp);
+ }
+ return numDigits;
+}
+
+//----------------------------------------------------------------------
+
+void SimpleDateFormat::translatePattern(const UnicodeString& originalPattern,
+ UnicodeString& translatedPattern,
+ const UnicodeString& from,
+ const UnicodeString& to,
+ UErrorCode& status)
+{
+ // run through the pattern and convert any pattern symbols from the version
+ // in "from" to the corresponding character in "to". This code takes
+ // quoted strings into account (it doesn't try to translate them), and it signals
+ // an error if a particular "pattern character" doesn't appear in "from".
+ // Depending on the values of "from" and "to" this can convert from generic
+ // to localized patterns or localized to generic.
+ if (U_FAILURE(status)) {
+ return;
+ }
+
+ translatedPattern.remove();
+ UBool inQuote = false;
+ for (int32_t i = 0; i < originalPattern.length(); ++i) {
+ char16_t c = originalPattern[i];
+ if (inQuote) {
+ if (c == QUOTE) {
+ inQuote = false;
+ }
+ } else {
+ if (c == QUOTE) {
+ inQuote = true;
+ } else if (isSyntaxChar(c)) {
+ int32_t ci = from.indexOf(c);
+ if (ci == -1) {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+ c = to[ci];
+ }
+ }
+ translatedPattern += c;
+ }
+ if (inQuote) {
+ status = U_INVALID_FORMAT_ERROR;
+ return;
+ }
+}
+
+//----------------------------------------------------------------------
+
+UnicodeString&
+SimpleDateFormat::toPattern(UnicodeString& result) const
+{
+ result = fPattern;
+ return result;
+}
+
+//----------------------------------------------------------------------
+
+UnicodeString&
+SimpleDateFormat::toLocalizedPattern(UnicodeString& result,
+ UErrorCode& status) const
+{
+ translatePattern(fPattern, result,
+ UnicodeString(DateFormatSymbols::getPatternUChars()),
+ fSymbols->fLocalPatternChars, status);
+ return result;
+}
+
+//----------------------------------------------------------------------
+
+void
+SimpleDateFormat::applyPattern(const UnicodeString& pattern)
+{
+ fPattern = pattern;
+ parsePattern();
+
+ // Hack to update use of Gannen year numbering for ja@calendar=japanese -
+ // use only if format is non-numeric (includes 年) and no other fDateOverride.
+ if (fCalendar != nullptr && uprv_strcmp(fCalendar->getType(),"japanese") == 0 &&
+ uprv_strcmp(fLocale.getLanguage(),"ja") == 0) {
+ if (fDateOverride==UnicodeString(u"y=jpanyear") && !fHasHanYearChar) {
+ // Gannen numbering is set but new pattern should not use it, unset;
+ // use procedure from adoptNumberFormat to clear overrides
+ if (fSharedNumberFormatters) {
+ freeSharedNumberFormatters(fSharedNumberFormatters);
+ fSharedNumberFormatters = nullptr;
+ }
+ fDateOverride.setToBogus(); // record status
+ } else if (fDateOverride.isBogus() && fHasHanYearChar) {
+ // No current override (=> no Gannen numbering) but new pattern needs it;
+ // use procedures from initNUmberFormatters / adoptNumberFormat
+ umtx_lock(&LOCK);
+ if (fSharedNumberFormatters == nullptr) {
+ fSharedNumberFormatters = allocSharedNumberFormatters();
+ }
+ umtx_unlock(&LOCK);
+ if (fSharedNumberFormatters != nullptr) {
+ Locale ovrLoc(fLocale.getLanguage(),fLocale.getCountry(),fLocale.getVariant(),"numbers=jpanyear");
+ UErrorCode status = U_ZERO_ERROR;
+ const SharedNumberFormat *snf = createSharedNumberFormat(ovrLoc, status);
+ if (U_SUCCESS(status)) {
+ // Now that we have an appropriate number formatter, fill in the
+ // appropriate slot in the number formatters table.
+ UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(u'y');
+ SharedObject::copyPtr(snf, fSharedNumberFormatters[patternCharIndex]);
+ snf->deleteIfZeroRefCount();
+ fDateOverride.setTo(u"y=jpanyear", -1); // record status
+ }
+ }
+ }
+ }
+}
+
+//----------------------------------------------------------------------
+
+void
+SimpleDateFormat::applyLocalizedPattern(const UnicodeString& pattern,
+ UErrorCode &status)
+{
+ translatePattern(pattern, fPattern,
+ fSymbols->fLocalPatternChars,
+ UnicodeString(DateFormatSymbols::getPatternUChars()), status);
+}
+
+//----------------------------------------------------------------------
+
+const DateFormatSymbols*
+SimpleDateFormat::getDateFormatSymbols() const
+{
+ return fSymbols;
+}
+
+//----------------------------------------------------------------------
+
+void
+SimpleDateFormat::adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols)
+{
+ delete fSymbols;
+ fSymbols = newFormatSymbols;
+}
+
+//----------------------------------------------------------------------
+void
+SimpleDateFormat::setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols)
+{
+ delete fSymbols;
+ fSymbols = new DateFormatSymbols(newFormatSymbols);
+}
+
+//----------------------------------------------------------------------
+const TimeZoneFormat*
+SimpleDateFormat::getTimeZoneFormat() const {
+ // TimeZoneFormat initialization might fail when out of memory.
+ // If we always initialize TimeZoneFormat instance, we can return
+ // such status there. For now, this implementation lazily instantiates
+ // a TimeZoneFormat for performance optimization reasons, but cannot
+ // propagate such error (probably just out of memory case) to the caller.
+ UErrorCode status = U_ZERO_ERROR;
+ return (const TimeZoneFormat*)tzFormat(status);
+}
+
+//----------------------------------------------------------------------
+void
+SimpleDateFormat::adoptTimeZoneFormat(TimeZoneFormat* timeZoneFormatToAdopt)
+{
+ delete fTimeZoneFormat;
+ fTimeZoneFormat = timeZoneFormatToAdopt;
+}
+
+//----------------------------------------------------------------------
+void
+SimpleDateFormat::setTimeZoneFormat(const TimeZoneFormat& newTimeZoneFormat)
+{
+ delete fTimeZoneFormat;
+ fTimeZoneFormat = new TimeZoneFormat(newTimeZoneFormat);
+}
+
+//----------------------------------------------------------------------
+
+
+void SimpleDateFormat::adoptCalendar(Calendar* calendarToAdopt)
+{
+ UErrorCode status = U_ZERO_ERROR;
+ Locale calLocale(fLocale);
+ calLocale.setKeywordValue("calendar", calendarToAdopt->getType(), status);
+ DateFormatSymbols *newSymbols =
+ DateFormatSymbols::createForLocale(calLocale, status);
+ if (U_FAILURE(status)) {
+ delete calendarToAdopt;
+ return;
+ }
+ DateFormat::adoptCalendar(calendarToAdopt);
+ delete fSymbols;
+ fSymbols = newSymbols;
+ initializeDefaultCentury(); // we need a new century (possibly)
+}
+
+
+//----------------------------------------------------------------------
+
+
+// override the DateFormat implementation in order to
+// lazily initialize fCapitalizationBrkIter
+void
+SimpleDateFormat::setContext(UDisplayContext value, UErrorCode& status)
+{
+ DateFormat::setContext(value, status);
+#if !UCONFIG_NO_BREAK_ITERATION
+ if (U_SUCCESS(status)) {
+ if ( fCapitalizationBrkIter == nullptr && (value==UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE ||
+ value==UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU || value==UDISPCTX_CAPITALIZATION_FOR_STANDALONE) ) {
+ status = U_ZERO_ERROR;
+ fCapitalizationBrkIter = BreakIterator::createSentenceInstance(fLocale, status);
+ if (U_FAILURE(status)) {
+ delete fCapitalizationBrkIter;
+ fCapitalizationBrkIter = nullptr;
+ }
+ }
+ }
+#endif
+}
+
+
+//----------------------------------------------------------------------
+
+
+UBool
+SimpleDateFormat::isFieldUnitIgnored(UCalendarDateFields field) const {
+ return isFieldUnitIgnored(fPattern, field);
+}
+
+
+UBool
+SimpleDateFormat::isFieldUnitIgnored(const UnicodeString& pattern,
+ UCalendarDateFields field) {
+ int32_t fieldLevel = fgCalendarFieldToLevel[field];
+ int32_t level;
+ char16_t ch;
+ UBool inQuote = false;
+ char16_t prevCh = 0;
+ int32_t count = 0;
+
+ for (int32_t i = 0; i < pattern.length(); ++i) {
+ ch = pattern[i];
+ if (ch != prevCh && count > 0) {
+ level = getLevelFromChar(prevCh);
+ // the larger the level, the smaller the field unit.
+ if (fieldLevel <= level) {
+ return false;
+ }
+ count = 0;
+ }
+ if (ch == QUOTE) {
+ if ((i+1) < pattern.length() && pattern[i+1] == QUOTE) {
+ ++i;
+ } else {
+ inQuote = ! inQuote;
+ }
+ }
+ else if (!inQuote && isSyntaxChar(ch)) {
+ prevCh = ch;
+ ++count;
+ }
+ }
+ if (count > 0) {
+ // last item
+ level = getLevelFromChar(prevCh);
+ if (fieldLevel <= level) {
+ return false;
+ }
+ }
+ return true;
+}
+
+//----------------------------------------------------------------------
+
+const Locale&
+SimpleDateFormat::getSmpFmtLocale() const {
+ return fLocale;
+}
+
+//----------------------------------------------------------------------
+
+int32_t
+SimpleDateFormat::checkIntSuffix(const UnicodeString& text, int32_t start,
+ int32_t patLoc, UBool isNegative) const {
+ // local variables
+ UnicodeString suf;
+ int32_t patternMatch;
+ int32_t textPreMatch;
+ int32_t textPostMatch;
+
+ // check that we are still in range
+ if ( (start > text.length()) ||
+ (start < 0) ||
+ (patLoc < 0) ||
+ (patLoc > fPattern.length())) {
+ // out of range, don't advance location in text
+ return start;
+ }
+
+ // get the suffix
+ DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat);
+ if (decfmt != nullptr) {
+ if (isNegative) {
+ suf = decfmt->getNegativeSuffix(suf);
+ }
+ else {
+ suf = decfmt->getPositiveSuffix(suf);
+ }
+ }
+
+ // check for suffix
+ if (suf.length() <= 0) {
+ return start;
+ }
+
+ // check suffix will be encountered in the pattern
+ patternMatch = compareSimpleAffix(suf,fPattern,patLoc);
+
+ // check if a suffix will be encountered in the text
+ textPreMatch = compareSimpleAffix(suf,text,start);
+
+ // check if a suffix was encountered in the text
+ textPostMatch = compareSimpleAffix(suf,text,start-suf.length());
+
+ // check for suffix match
+ if ((textPreMatch >= 0) && (patternMatch >= 0) && (textPreMatch == patternMatch)) {
+ return start;
+ }
+ else if ((textPostMatch >= 0) && (patternMatch >= 0) && (textPostMatch == patternMatch)) {
+ return start - suf.length();
+ }
+
+ // should not get here
+ return start;
+}
+
+//----------------------------------------------------------------------
+
+int32_t
+SimpleDateFormat::compareSimpleAffix(const UnicodeString& affix,
+ const UnicodeString& input,
+ int32_t pos) const {
+ int32_t start = pos;
+ for (int32_t i=0; i<affix.length(); ) {
+ UChar32 c = affix.char32At(i);
+ int32_t len = U16_LENGTH(c);
+ if (PatternProps::isWhiteSpace(c)) {
+ // We may have a pattern like: \u200F \u0020
+ // and input text like: \u200F \u0020
+ // Note that U+200F and U+0020 are Pattern_White_Space but only
+ // U+0020 is UWhiteSpace. So we have to first do a direct
+ // match of the run of Pattern_White_Space in the pattern,
+ // then match any extra characters.
+ UBool literalMatch = false;
+ while (pos < input.length() &&
+ input.char32At(pos) == c) {
+ literalMatch = true;
+ i += len;
+ pos += len;
+ if (i == affix.length()) {
+ break;
+ }
+ c = affix.char32At(i);
+ len = U16_LENGTH(c);
+ if (!PatternProps::isWhiteSpace(c)) {
+ break;
+ }
+ }
+
+ // Advance over run in pattern
+ i = skipPatternWhiteSpace(affix, i);
+
+ // Advance over run in input text
+ // Must see at least one white space char in input,
+ // unless we've already matched some characters literally.
+ int32_t s = pos;
+ pos = skipUWhiteSpace(input, pos);
+ if (pos == s && !literalMatch) {
+ return -1;
+ }
+
+ // If we skip UWhiteSpace in the input text, we need to skip it in the pattern.
+ // Otherwise, the previous lines may have skipped over text (such as U+00A0) that
+ // is also in the affix.
+ i = skipUWhiteSpace(affix, i);
+ } else {
+ if (pos < input.length() &&
+ input.char32At(pos) == c) {
+ i += len;
+ pos += len;
+ } else {
+ return -1;
+ }
+ }
+ }
+ return pos - start;
+}
+
+//----------------------------------------------------------------------
+
+int32_t
+SimpleDateFormat::skipPatternWhiteSpace(const UnicodeString& text, int32_t pos) const {
+ const char16_t* s = text.getBuffer();
+ return (int32_t)(PatternProps::skipWhiteSpace(s + pos, text.length() - pos) - s);
+}
+
+//----------------------------------------------------------------------
+
+int32_t
+SimpleDateFormat::skipUWhiteSpace(const UnicodeString& text, int32_t pos) const {
+ while (pos < text.length()) {
+ UChar32 c = text.char32At(pos);
+ if (!u_isUWhiteSpace(c)) {
+ break;
+ }
+ pos += U16_LENGTH(c);
+ }
+ return pos;
+}
+
+//----------------------------------------------------------------------
+
+// Lazy TimeZoneFormat instantiation, semantically const.
+TimeZoneFormat *
+SimpleDateFormat::tzFormat(UErrorCode &status) const {
+ Mutex m(&LOCK);
+ if (fTimeZoneFormat == nullptr && U_SUCCESS(status)) {
+ const_cast<SimpleDateFormat *>(this)->fTimeZoneFormat =
+ TimeZoneFormat::createInstance(fLocale, status);
+ }
+ return fTimeZoneFormat;
+}
+
+void SimpleDateFormat::parsePattern() {
+ fHasMinute = false;
+ fHasSecond = false;
+ fHasHanYearChar = false;
+
+ int len = fPattern.length();
+ UBool inQuote = false;
+ for (int32_t i = 0; i < len; ++i) {
+ char16_t ch = fPattern[i];
+ if (ch == QUOTE) {
+ inQuote = !inQuote;
+ }
+ if (ch == 0x5E74) { // don't care whether this is inside quotes
+ fHasHanYearChar = true;
+ }
+ if (!inQuote) {
+ if (ch == 0x6D) { // 0x6D == 'm'
+ fHasMinute = true;
+ }
+ if (ch == 0x73) { // 0x73 == 's'
+ fHasSecond = true;
+ }
+ }
+ }
+}
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_FORMATTING */
+
+//eof
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