diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/smpdtfmt.cpp')
| -rw-r--r-- | deps/node/deps/icu-small/source/i18n/smpdtfmt.cpp | 4233 |
1 files changed, 4233 insertions, 0 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/smpdtfmt.cpp b/deps/node/deps/icu-small/source/i18n/smpdtfmt.cpp new file mode 100644 index 00000000..2bc8e496 --- /dev/null +++ b/deps/node/deps/icu-small/source/i18n/smpdtfmt.cpp @@ -0,0 +1,4233 @@ +// © 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/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 "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 <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 UChar gGmt[] = {0x0047, 0x004D, 0x0054, 0x0000}; // "GMT" +//static const UChar gGmtPlus[] = {0x0047, 0x004D, 0x0054, 0x002B, 0x0000}; // "GMT+" +//static const UChar gGmtMinus[] = {0x0047, 0x004D, 0x0054, 0x002D, 0x0000}; // "GMT-" +//static const UChar gDefGmtPat[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0x0000}; /* GMT{0} */ +//static const UChar gDefGmtNegHmsPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* -HH:mm:ss */ +//static const UChar gDefGmtNegHmPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* -HH:mm */ +//static const UChar gDefGmtPosHmsPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* +HH:mm:ss */ +//static const UChar gDefGmtPosHmPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* +HH:mm */ +//static const UChar gUt[] = {0x0055, 0x0054, 0x0000}; // "UT" +//static const UChar 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 UChar gDefaultPattern[] = +{ + 0x79, 0x79, 0x79, 0x79, 0x4D, 0x4D, 0x64, 0x64, 0x20, 0x68, 0x68, 0x3A, 0x6D, 0x6D, 0x20, 0x61, 0 +}; /* "yyyyMMdd 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 UChar SUPPRESS_NEGATIVE_PREFIX[] = {0xAB00, 0}; + +/** + * These are the tags we expect to see in normal resource bundle files associated + * with a locale. + */ +static const UChar 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 millenium 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; + +static UMutex LOCK = U_MUTEX_INITIALIZER; + +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleDateFormat) + +SimpleDateFormat::NSOverride::~NSOverride() { + if (snf != NULL) { + 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 != NULL) { + 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 == NULL) { + delete nfToAdopt; + } + return result; +} + +static const SharedNumberFormat *createSharedNumberFormat( + const Locale &loc, UErrorCode &status) { + NumberFormat *nf = NumberFormat::createInstance(loc, status); + if (U_FAILURE(status)) { + return NULL; + } + const SharedNumberFormat *result = createSharedNumberFormat(nf); + if (result == NULL) { + 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 == NULL) { + return NULL; + } + for (int32_t i = 0; i < UDAT_FIELD_COUNT; ++i) { + result[i] = NULL; + } + 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 == NULL || + fSharedNumberFormatters[index] == NULL) { + return fNumberFormat; + } + return &(**fSharedNumberFormatters[index]); +} + +//---------------------------------------------------------------------- + +SimpleDateFormat::~SimpleDateFormat() +{ + delete fSymbols; + if (fSharedNumberFormatters) { + freeSharedNumberFormatters(fSharedNumberFormatters); + } + if (fTimeZoneFormat) { + delete fTimeZoneFormat; + } + freeFastNumberFormatters(); + +#if !UCONFIG_NO_BREAK_ITERATION + delete fCapitalizationBrkIter; +#endif +} + +//---------------------------------------------------------------------- + +SimpleDateFormat::SimpleDateFormat(UErrorCode& status) + : fLocale(Locale::getDefault()), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + initializeBooleanAttributes(); + construct(kShort, (EStyle) (kShort + kDateOffset), fLocale, status); + initializeDefaultCentury(); +} + +//---------------------------------------------------------------------- + +SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, + UErrorCode &status) +: fPattern(pattern), + fLocale(Locale::getDefault()), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + initializeBooleanAttributes(); + initializeCalendar(NULL,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()), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + fDateOverride.setTo(override); + fTimeOverride.setToBogus(); + initializeBooleanAttributes(); + initializeCalendar(NULL,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), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + initializeBooleanAttributes(); + + initializeCalendar(NULL,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), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + + fDateOverride.setTo(override); + fTimeOverride.setToBogus(); + initializeBooleanAttributes(); + + initializeCalendar(NULL,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), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + initializeBooleanAttributes(); + + initializeCalendar(NULL,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)), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + initializeBooleanAttributes(); + + initializeCalendar(NULL, 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), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + 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), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + if (U_FAILURE(status)) return; + initializeBooleanAttributes(); + initializeCalendar(NULL, 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 NULL */ + 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), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fSharedNumberFormatters(NULL), + fCapitalizationBrkIter(NULL) +{ + initializeBooleanAttributes(); + *this = other; +} + +//---------------------------------------------------------------------- + +SimpleDateFormat& SimpleDateFormat::operator=(const SimpleDateFormat& other) +{ + if (this == &other) { + return *this; + } + DateFormat::operator=(other); + fDateOverride = other.fDateOverride; + fTimeOverride = other.fTimeOverride; + + delete fSymbols; + fSymbols = NULL; + + 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; + + // TimeZoneFormat in ICU4C only depends on a locale for now + if (fLocale != other.fLocale) { + delete fTimeZoneFormat; + fTimeZoneFormat = NULL; // forces lazy instantiation with the other locale + fLocale = other.fLocale; + } + +#if !UCONFIG_NO_BREAK_ITERATION + if (other.fCapitalizationBrkIter != NULL) { + fCapitalizationBrkIter = (other.fCapitalizationBrkIter)->clone(); + } +#endif + + if (fSharedNumberFormatters != NULL) { + freeSharedNumberFormatters(fSharedNumberFormatters); + fSharedNumberFormatters = NULL; + } + if (other.fSharedNumberFormatters != NULL) { + 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; + freeFastNumberFormatters(); + initFastNumberFormatters(localStatus); + + return *this; +} + +//---------------------------------------------------------------------- + +Format* +SimpleDateFormat::clone() const +{ + return new SimpleDateFormat(*this); +} + +//---------------------------------------------------------------------- + +UBool +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 != NULL && // Check for pathological object + that->fSymbols != NULL && // Check for pathological object + *fSymbols == *that->fSymbols && + fHaveDefaultCentury == that->fHaveDefaultCentury && + fDefaultCenturyStart == that->fDefaultCenturyStart); + } + return FALSE; +} + +//---------------------------------------------------------------------- + +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(NULL, locale, status); + if (U_FAILURE(status)) return; + + // Load date time patterns directly from resources. + const char* cType = fCalendar ? fCalendar->getType() : NULL; + LocalUResourceBundlePointer bundle(ures_open(NULL, locale.getBaseName(), &status)); + if (U_FAILURE(status)) return; + + UBool cTypeIsGregorian = TRUE; + LocalUResourceBundlePointer dateTimePatterns; + if (cType != NULL && 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*)NULL, &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*)NULL, &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 NULL */ + if (fSymbols == 0) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + + const UChar *resStr,*ovrStr; + int32_t resStrLen,ovrStrLen = 0; + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + + // 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)) + { + currentBundle.adoptInstead( + ures_getByIndex(dateTimePatterns.getAlias(), (int32_t)timeStyle, NULL, &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; + } + } + + UnicodeString tempus1(TRUE, resStr, resStrLen); + + currentBundle.adoptInstead( + ures_getByIndex(dateTimePatterns.getAlias(), (int32_t)dateStyle, NULL, &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); + + 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) { + currentBundle.adoptInstead( + ures_getByIndex(dateTimePatterns.getAlias(), (int32_t)timeStyle, NULL, &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, NULL, &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::createDefault(), locale, status); + } + return fCalendar; +} + +void +SimpleDateFormat::initialize(const Locale& locale, + UErrorCode& status) +{ + if (U_FAILURE(status)) return; + + // 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 != NULL && U_SUCCESS(status)) + { + fixNumberFormatForDates(*fNumberFormat); + //fNumberFormat->setLenient(TRUE); // Java uses a custom DateNumberFormat to format/parse + + initNumberFormatters(locale, status); + initFastNumberFormatters(status); + + } + else if (U_SUCCESS(status)) + { + status = U_MISSING_RESOURCE_ERROR; + } + + parsePattern(); +} + +/* 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 = NULL; + 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 != NULL) { + 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; + UChar 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) { + UChar 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++, 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 += (UChar)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++, handler, *workCal, status); + } + + if (calClone != NULL) { + 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(UChar 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(UChar 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 == NULL) { + dst += symbols[value]; + } else { + SimpleFormatter(*monthPattern, 1, 1, status).format(symbols[value], dst, status); + } + } +} + +//---------------------------------------------------------------------- + +static number::LocalizedNumberFormatter* +createFastFormatter(const DecimalFormat* df, int32_t minInt, int32_t maxInt) { + return new number::LocalizedNumberFormatter( + df->toNumberFormatter() + .integerWidth(number::IntegerWidth::zeroFillTo(minInt).truncateAt(maxInt))); +} + +void SimpleDateFormat::initFastNumberFormatters(UErrorCode& status) { + if (U_FAILURE(status)) { + return; + } + auto* df = dynamic_cast<const DecimalFormat*>(fNumberFormat); + if (df == nullptr) { + return; + } + fFastNumberFormatters[SMPDTFMT_NF_1x10] = createFastFormatter(df, 1, 10); + fFastNumberFormatters[SMPDTFMT_NF_2x10] = createFastFormatter(df, 2, 10); + fFastNumberFormatters[SMPDTFMT_NF_3x10] = createFastFormatter(df, 3, 10); + fFastNumberFormatters[SMPDTFMT_NF_4x10] = createFastFormatter(df, 4, 10); + fFastNumberFormatters[SMPDTFMT_NF_2x2] = createFastFormatter(df, 2, 2); +} + +void SimpleDateFormat::freeFastNumberFormatters() { + delete fFastNumberFormatters[SMPDTFMT_NF_1x10]; + delete fFastNumberFormatters[SMPDTFMT_NF_2x10]; + delete fFastNumberFormatters[SMPDTFMT_NF_3x10]; + delete fFastNumberFormatters[SMPDTFMT_NF_4x10]; + delete fFastNumberFormatters[SMPDTFMT_NF_2x2]; + fFastNumberFormatters[SMPDTFMT_NF_1x10] = nullptr; + fFastNumberFormatters[SMPDTFMT_NF_2x10] = nullptr; + fFastNumberFormatters[SMPDTFMT_NF_3x10] = nullptr; + fFastNumberFormatters[SMPDTFMT_NF_4x10] = nullptr; + fFastNumberFormatters[SMPDTFMT_NF_2x2] = nullptr; +} + + +void +SimpleDateFormat::initNumberFormatters(const Locale &locale,UErrorCode &status) { + if (U_FAILURE(status)) { + return; + } + if ( fDateOverride.isBogus() && fTimeOverride.isBogus() ) { + return; + } + umtx_lock(&LOCK); + if (fSharedNumberFormatters == NULL) { + fSharedNumberFormatters = allocSharedNumberFormatters(); + if (fSharedNumberFormatters == NULL) { + 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 = NULL; + + while (moreToProcess) { + int32_t delimiterPosition = str.indexOf((UChar)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((UChar)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 = NULL; + 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, + UChar ch, + int32_t count, + UDisplayContext capitalizationContext, + int32_t fieldNum, + 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 == NULL) { + 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 != NULL && 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 != NULL && 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]): NULL, status); + } else { + _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneNarrowMonths, fSymbols->fStandaloneNarrowMonthsCount, + (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneNarrow]): NULL, 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]): NULL, status); + capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat; + } else { + _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, + (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]): NULL, 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]): NULL, status); + capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat; + } else { + _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, + (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]): NULL, 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]): NULL, 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' + { + UChar 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 { + U_ASSERT(FALSE); + } + } + appendTo += zoneString; + } + break; + + case UDAT_QUARTER_FIELD: + 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 >= 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 = NULL; + 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 NULL 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 == NULL || toAppend->isBogus()) { + // Reformat with identical arguments except ch, now changed to 'a'. + subFormat(appendTo, 0x61, count, capitalizationContext, fieldNum, + handler, cal, status); + } 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 == NULL) { + // Data doesn't exist for the locale we're looking for. + // Falling back to am/pm. + subFormat(appendTo, 0x61, count, capitalizationContext, fieldNum, + handler, cal, status); + break; + } + + // 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 = NULL; + 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 == NULL || 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()) { + subFormat(appendTo, 0x61, count, capitalizationContext, fieldNum, + handler, cal, status); + } + 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 && u_islower(appendTo.char32At(beginOffset)) && fCapitalizationBrkIter != NULL) { + 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) { + UnicodeString firstField(appendTo, beginOffset); + firstField.toTitle(fCapitalizationBrkIter, fLocale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT); + appendTo.replaceBetween(beginOffset, appendTo.length(), firstField); + } + } +#endif + + handler.addAttribute(fgPatternIndexToDateFormatField[patternCharIndex], beginOffset, appendTo.length()); +} + +//---------------------------------------------------------------------- + +void SimpleDateFormat::adoptNumberFormat(NumberFormat *formatToAdopt) { + 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 = NULL; + } + + // Also re-compute the fast formatters. + UErrorCode localStatus = U_ZERO_ERROR; + freeFastNumberFormatters(); + initFastNumberFormatters(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 == NULL) { + fSharedNumberFormatters = allocSharedNumberFormatters(); + if (fSharedNumberFormatters == NULL) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + } + const SharedNumberFormat *newFormat = createSharedNumberFormat(fmt.orphan()); + if (newFormat == NULL) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + for (int i=0; i<fields.length(); i++) { + UChar 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(UChar field) const { + UDateFormatField index = DateFormatSymbols::getPatternCharIndex(field); + if (index == UDAT_FIELD_COUNT) { + return NULL; + } + return getNumberFormatByIndex(index); +} + +//---------------------------------------------------------------------- +void +SimpleDateFormat::zeroPaddingNumber( + const NumberFormat *currentNumberFormat, + UnicodeString &appendTo, + int32_t value, int32_t minDigits, int32_t maxDigits) const +{ + const number::LocalizedNumberFormatter* fastFormatter = nullptr; + // NOTE: This uses the heuristic that these five min/max int settings account for the vast majority + // of SimpleDateFormat number formatting cases at the time of writing (ICU 62). + if (currentNumberFormat == fNumberFormat) { + if (maxDigits == 10) { + if (minDigits == 1) { + fastFormatter = fFastNumberFormatters[SMPDTFMT_NF_1x10]; + } else if (minDigits == 2) { + fastFormatter = fFastNumberFormatters[SMPDTFMT_NF_2x10]; + } else if (minDigits == 3) { + fastFormatter = fFastNumberFormatters[SMPDTFMT_NF_3x10]; + } else if (minDigits == 4) { + fastFormatter = fFastNumberFormatters[SMPDTFMT_NF_4x10]; + } + } else if (maxDigits == 2) { + if (minDigits == 2) { + fastFormatter = fFastNumberFormatters[SMPDTFMT_NF_2x2]; + } + } + } + if (fastFormatter != nullptr) { + // Can use fast path + number::impl::UFormattedNumberData result; + result.quantity.setToInt(value); + UErrorCode localStatus = U_ZERO_ERROR; + fastFormatter->formatImpl(&result, localStatus); + if (U_FAILURE(localStatus)) { + return; + } + appendTo.append(result.string.toTempUnicodeString()); + 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(dynamic_cast<NumberFormat*>(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, occuring count + * times, represents a numeric field. + */ +UBool SimpleDateFormat::isNumeric(UChar 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; + } + UChar 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; + } + UChar 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 = NULL; + + Calendar* calClone = NULL; + 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 != NULL) { + 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 != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) { + numericLeapMonthFormatter = new MessageFormat(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric], fLocale, status); + if (numericLeapMonthFormatter == NULL) { + 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) { + UChar 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 + UChar 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 == NULL) { + 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 == NULL) { + status = U_MEMORY_ALLOCATION_ERROR; + goto ExitParse; + } + const TimeZone & tz = cal.getTimeZone(); + BasicTimeZone *btz = NULL; + + if (dynamic_cast<const OlsonTimeZone *>(&tz) != NULL + || dynamic_cast<const SimpleTimeZone *>(&tz) != NULL + || dynamic_cast<const RuleBasedTimeZone *>(&tz) != NULL + || dynamic_cast<const VTimeZone *>(&tz) != NULL) { + 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 != NULL) { + if (tzTimeType == UTZFMT_TIME_TYPE_STANDARD) { + btz->getOffsetFromLocal(localMillis, + BasicTimeZone::kStandard, BasicTimeZone::kStandard, raw, dst, status); + } else { + btz->getOffsetFromLocal(localMillis, + BasicTimeZone::kDaylight, BasicTimeZone::kDaylight, 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 != NULL) { + UDate time = localMillis + raw; + // We use the nearest daylight saving time rule. + TimeZoneTransition beforeTrs, afterTrs; + UDate beforeT = time, afterT = time; + int32_t beforeSav = 0, afterSav = 0; + UBool beforeTrsAvail, afterTrsAvail; + + // Search for DST rule before or on the time + while (TRUE) { + beforeTrsAvail = btz->getPreviousTransition(beforeT, TRUE, beforeTrs); + if (!beforeTrsAvail) { + break; + } + beforeT = beforeTrs.getTime() - 1; + beforeSav = beforeTrs.getFrom()->getDSTSavings(); + if (beforeSav != 0) { + break; + } + } + + // Search for DST rule after the time + while (TRUE) { + afterTrsAvail = btz->getNextTransition(afterT, FALSE, afterTrs); + if (!afterTrsAvail) { + break; + } + afterT = afterTrs.getTime(); + afterSav = afterTrs.getTo()->getDSTSavings(); + if (afterSav != 0) { + break; + } + } + + if (beforeTrsAvail && afterTrsAvail) { + if (time - beforeT > afterT - time) { + resolvedSavings = afterSav; + } else { + resolvedSavings = beforeSav; + } + } else if (beforeTrsAvail && beforeSav != 0) { + resolvedSavings = beforeSav; + } else if (afterTrsAvail && afterSav != 0) { + resolvedSavings = afterSav; + } else { + 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 != NULL) { + delete numericLeapMonthFormatter; + } + if (calClone != NULL) { + 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) { + UChar 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()) { + UChar 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 + + UChar 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 paritial 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 = NULL; + UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(pattern.charAt(i)); + if (patternCharIndex != UDAT_FIELD_COUNT) { + ignorables = SimpleDateFormatStaticSets::getIgnorables(patternCharIndex); + } + + for (t = textOffset; t < text.length(); t += 1) { + UChar ch = text.charAt(t); + + if (ignorables == NULL || !ignorables->contains(ch)) { + break; + } + } + } + + // if we get here, we've got a complete match. + patternOffset = i - 1; + textOffset = t; + + return TRUE; +} + +//---------------------------------------------------------------------- + +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. + 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 != NULL) { + 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 != NULL) { + 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, UChar 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 == NULL) { + return -start; + } + UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; // UCAL_FIELD_COUNT if irrelevant + UnicodeString hebr("hebr", 4, US_INV); + + if (numericLeapMonthFormatter != NULL) { + numericLeapMonthFormatter->setFormats((const Format **)¤tNumberFormat, 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 != NULL && (patternCharIndex == UDAT_MONTH_FIELD || patternCharIndex == UDAT_STANDALONE_MONTH_FIELD)) { + int32_t argCount; + Formattable * args = numericLeapMonthFormatter->parse(text, pos, argCount); + if (args != NULL && 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, NULL, cal); + } else if (count == 4) { + ps = matchString(text, start, UCAL_ERA, fSymbols->fEraNames, fSymbols->fEraNamesCount, NULL, cal); + } else { + ps = matchString(text, start, UCAL_ERA, fSymbols->fEras, fSymbols->fErasCount, NULL, 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 != NULL) { + int32_t newStart = matchString(text, start, UCAL_YEAR, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount, NULL, 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 = NULL; + UnicodeString * shortMonthPat = NULL; + if (fSymbols->fLeapMonthPatterns != NULL && 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 == 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 == 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, NULL, 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, NULL, 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, NULL, 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, NULL, 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, NULL, 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, NULL, 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, NULL, 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, NULL, 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, NULL, 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 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->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_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_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 != NULL) { + 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 != NULL) { + 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 != NULL) { + 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 != NULL) { + 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 != NULL) { + 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 != NULL) { + 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 != NULL) { + 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 UChar def_sep = DateFormatSymbols::DEFAULT_TIME_SEPARATOR; + static const UChar 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, NULL, cal); + } + + case UDAT_AM_PM_MIDNIGHT_NOON_FIELD: + { + U_ASSERT(dayPeriod != NULL); + 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 != NULL); + 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 (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(dynamic_cast<DecimalFormat*>(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) { + UChar 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(); +} + +//---------------------------------------------------------------------- + +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(void) 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)) { + 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 == NULL && (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 = NULL; + } + } + } +#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; + UChar ch; + UBool inQuote = FALSE; + UChar 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(void) 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 != NULL) { + 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 UChar* 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 { + if (fTimeZoneFormat == NULL) { + umtx_lock(&LOCK); + { + if (fTimeZoneFormat == NULL) { + TimeZoneFormat *tzfmt = TimeZoneFormat::createInstance(fLocale, status); + if (U_FAILURE(status)) { + return NULL; + } + + const_cast<SimpleDateFormat *>(this)->fTimeZoneFormat = tzfmt; + } + } + umtx_unlock(&LOCK); + } + return fTimeZoneFormat; +} + +void SimpleDateFormat::parsePattern() { + fHasMinute = FALSE; + fHasSecond = FALSE; + + int len = fPattern.length(); + UBool inQuote = FALSE; + for (int32_t i = 0; i < len; ++i) { + UChar ch = fPattern[i]; + if (ch == QUOTE) { + inQuote = !inQuote; + } + 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 |