diff options
Diffstat (limited to 'intl/icu/source/i18n/smpdtfmt.cpp')
| -rw-r--r-- | intl/icu/source/i18n/smpdtfmt.cpp | 3394 |
1 files changed, 3394 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/smpdtfmt.cpp b/intl/icu/source/i18n/smpdtfmt.cpp new file mode 100644 index 0000000..622a2f3 --- /dev/null +++ b/intl/icu/source/i18n/smpdtfmt.cpp @@ -0,0 +1,3394 @@ +/* +******************************************************************************* +* Copyright (C) 1997-2012, 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/simpletz.h" +#include "unicode/rbtz.h" +#include "unicode/tzfmt.h" +#include "unicode/utf16.h" +#include "unicode/vtzone.h" +#include "unicode/udisplaycontext.h" +#include "olsontz.h" +#include "patternprops.h" +#include "fphdlimp.h" +#include "gregoimp.h" +#include "hebrwcal.h" +#include "cstring.h" +#include "uassert.h" +#include "cmemory.h" +#include "umutex.h" +#include <float.h> +#include "smpdtfst.h" + +#if defined( U_DEBUG_CALSVC ) || defined (U_DEBUG_CAL) +#include <stdio.h> +#endif + +// ***************************************************************************** +// class SimpleDateFormat +// ***************************************************************************** + +U_NAMESPACE_BEGIN + +static const UChar PATTERN_CHAR_BASE = 0x40; + +/** + * 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 }; +static const int8_t kDateFieldsCount = 15; + +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 }; +static const int8_t kTimeFieldsCount = 9; + + +// 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 char gDateTimePatternsTag[]="DateTimePatterns"; + +//static const UChar gEtcUTC[] = {0x45, 0x74, 0x63, 0x2F, 0x55, 0x54, 0x43, 0x00}; // "Etc/UTC" +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_SEOND_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 +}; + +// 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::~SimpleDateFormat() +{ + delete fSymbols; + if (fNumberFormatters) { + uprv_free(fNumberFormatters); + } + if (fTimeZoneFormat) { + delete fTimeZoneFormat; + } + + while (fOverrideList) { + NSOverride *cur = fOverrideList; + fOverrideList = cur->next; + delete cur->nf; + uprv_free(cur); + } +} + +//---------------------------------------------------------------------- + +SimpleDateFormat::SimpleDateFormat(UErrorCode& status) + : fLocale(Locale::getDefault()), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + construct(kShort, (EStyle) (kShort + kDateOffset), fLocale, status); + initializeDefaultCentury(); +} + +//---------------------------------------------------------------------- + +SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, + UErrorCode &status) +: fPattern(pattern), + fLocale(Locale::getDefault()), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); + initialize(fLocale, status); + initializeDefaultCentury(); + +} +//---------------------------------------------------------------------- + +SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, + const UnicodeString& override, + UErrorCode &status) +: fPattern(pattern), + fLocale(Locale::getDefault()), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + fDateOverride.setTo(override); + fTimeOverride.setToBogus(); + initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), 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), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + + initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); + initialize(fLocale, status); + initializeDefaultCentury(); +} + +//---------------------------------------------------------------------- + +SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, + const UnicodeString& override, + const Locale& locale, + UErrorCode& status) +: fPattern(pattern), + fLocale(locale), + fTimeZoneFormat(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + + fDateOverride.setTo(override); + fTimeOverride.setToBogus(); + + initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), 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), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + + 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), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + + fDateOverride.setToBogus(); + fTimeOverride.setToBogus(); + + 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), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + 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), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + if (U_FAILURE(status)) return; + initializeSymbols(fLocale, initializeCalendar(NULL, fLocale, status),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), + fNumberFormatters(NULL), + fOverrideList(NULL), + fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) +{ + *this = other; +} + +//---------------------------------------------------------------------- + +SimpleDateFormat& SimpleDateFormat::operator=(const SimpleDateFormat& other) +{ + if (this == &other) { + return *this; + } + DateFormat::operator=(other); + + delete fSymbols; + fSymbols = NULL; + + if (other.fSymbols) + fSymbols = new DateFormatSymbols(*other.fSymbols); + + fDefaultCenturyStart = other.fDefaultCenturyStart; + fDefaultCenturyStartYear = other.fDefaultCenturyStartYear; + fHaveDefaultCentury = other.fHaveDefaultCentury; + + fPattern = other.fPattern; + + // 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; + } + + fCapitalizationContext = other.fCapitalizationContext; + + return *this; +} + +//---------------------------------------------------------------------- + +Format* +SimpleDateFormat::clone() const +{ + return new SimpleDateFormat(*this); +} + +//---------------------------------------------------------------------- + +UBool +SimpleDateFormat::operator==(const Format& other) const +{ + if (DateFormat::operator==(other)) { + // 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 && + fCapitalizationContext == that->fCapitalizationContext); + } + 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; + + CalendarData calData(locale, fCalendar?fCalendar->getType():NULL, status); + UResourceBundle *dateTimePatterns = calData.getByKey(gDateTimePatternsTag, status); + UResourceBundle *currentBundle; + + if (U_FAILURE(status)) return; + + if (ures_getSize(dateTimePatterns) <= kDateTime) + { + status = U_INVALID_FORMAT_ERROR; + return; + } + + setLocaleIDs(ures_getLocaleByType(dateTimePatterns, ULOC_VALID_LOCALE, &status), + ures_getLocaleByType(dateTimePatterns, ULOC_ACTUAL_LOCALE, &status)); + + // create a symbols object from the locale + initializeSymbols(locale,fCalendar, 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. The actual gluing-together is handled by a convenience + // method on MessageFormat. + if ((timeStyle != kNone) && (dateStyle != kNone)) + { + Formattable timeDateArray[2]; + + // use Formattable::adoptString() so that we can use fastCopyFrom() + // instead of Formattable::setString()'s unaware, safe, deep string clone + // see Jitterbug 2296 + + currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)timeStyle, NULL, &status); + if (U_FAILURE(status)) { + status = U_INVALID_FORMAT_ERROR; + return; + } + switch (ures_getType(currentBundle)) { + case URES_STRING: { + resStr = ures_getString(currentBundle, &resStrLen, &status); + break; + } + case URES_ARRAY: { + resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); + ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); + fTimeOverride.setTo(TRUE, ovrStr, ovrStrLen); + break; + } + default: { + status = U_INVALID_FORMAT_ERROR; + ures_close(currentBundle); + return; + } + } + ures_close(currentBundle); + + UnicodeString *tempus1 = new UnicodeString(TRUE, resStr, resStrLen); + // NULL pointer check + if (tempus1 == NULL) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + timeDateArray[0].adoptString(tempus1); + + currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)dateStyle, NULL, &status); + if (U_FAILURE(status)) { + status = U_INVALID_FORMAT_ERROR; + return; + } + switch (ures_getType(currentBundle)) { + case URES_STRING: { + resStr = ures_getString(currentBundle, &resStrLen, &status); + break; + } + case URES_ARRAY: { + resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); + ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); + fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); + break; + } + default: { + status = U_INVALID_FORMAT_ERROR; + ures_close(currentBundle); + return; + } + } + ures_close(currentBundle); + + UnicodeString *tempus2 = new UnicodeString(TRUE, resStr, resStrLen); + // Null pointer check + if (tempus2 == NULL) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + timeDateArray[1].adoptString(tempus2); + + int32_t glueIndex = kDateTime; + int32_t patternsSize = ures_getSize(dateTimePatterns); + if (patternsSize >= (kDateTimeOffset + kShort + 1)) { + // Get proper date time format + glueIndex = (int32_t)(kDateTimeOffset + (dateStyle - kDateOffset)); + } + + resStr = ures_getStringByIndex(dateTimePatterns, glueIndex, &resStrLen, &status); + MessageFormat::format(UnicodeString(TRUE, resStr, resStrLen), timeDateArray, 2, 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 = ures_getByIndex(dateTimePatterns, (int32_t)timeStyle, NULL, &status); + if (U_FAILURE(status)) { + status = U_INVALID_FORMAT_ERROR; + return; + } + switch (ures_getType(currentBundle)) { + case URES_STRING: { + resStr = ures_getString(currentBundle, &resStrLen, &status); + break; + } + case URES_ARRAY: { + resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); + ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); + fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); + break; + } + default: { + status = U_INVALID_FORMAT_ERROR; + ures_close(currentBundle); + return; + } + } + fPattern.setTo(TRUE, resStr, resStrLen); + ures_close(currentBundle); + } + else if (dateStyle != kNone) { + currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)dateStyle, NULL, &status); + if (U_FAILURE(status)) { + status = U_INVALID_FORMAT_ERROR; + return; + } + switch (ures_getType(currentBundle)) { + case URES_STRING: { + resStr = ures_getString(currentBundle, &resStrLen, &status); + break; + } + case URES_ARRAY: { + resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); + ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); + fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); + break; + } + default: { + status = U_INVALID_FORMAT_ERROR; + ures_close(currentBundle); + return; + } + } + fPattern.setTo(TRUE, resStr, resStrLen); + ures_close(currentBundle); + } + + // 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); + } + if (U_SUCCESS(status) && fCalendar == NULL) { + status = U_MEMORY_ALLOCATION_ERROR; + } + return fCalendar; +} + +void +SimpleDateFormat::initializeSymbols(const Locale& locale, Calendar* calendar, UErrorCode& status) +{ + if(U_FAILURE(status)) { + fSymbols = NULL; + } else { + // pass in calendar type - use NULL (default) if no calendar set (or err). + fSymbols = new DateFormatSymbols(locale, calendar?calendar->getType() :NULL , status); + // Null pointer check + if (fSymbols == NULL) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + } +} + +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)) + { + // 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 + + fNumberFormat->setGroupingUsed(FALSE); + DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat); + if (decfmt != NULL) { + decfmt->setDecimalSeparatorAlwaysShown(FALSE); + } + fNumberFormat->setParseIntegerOnly(TRUE); + fNumberFormat->setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00" + + //fNumberFormat->setLenient(TRUE); // Java uses a custom DateNumberFormat to format/parse + + initNumberFormatters(locale,status); + + } + else if (U_SUCCESS(status)) + { + status = U_MISSING_RESOURCE_ERROR; + } +} + +/* Initialize the fields we use to disambiguate ambiguous years. Separate + * so we can call it from readObject(). + */ +void SimpleDateFormat::initializeDefaultCentury() +{ + if(fCalendar) { + fHaveDefaultCentury = fCalendar->haveDefaultCentury(); + if(fHaveDefaultCentury) { + fDefaultCenturyStart = fCalendar->defaultCenturyStart(); + fDefaultCenturyStartYear = fCalendar->defaultCenturyStartYear(); + } else { + fDefaultCenturyStart = DBL_MIN; + fDefaultCenturyStartYear = -1; + } + } +} + +/* 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; + + // 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, fCapitalizationContext, 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 && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/) + || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) { + // 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, fCapitalizationContext, 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 +}; + + +/* Map calendar 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. + */ +const int32_t +SimpleDateFormat::fgPatternCharToLevel[] = { + // 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, -1, + // P Q R S T U V W X Y Z + -1, 20, -1, 80, -1, 10, 0, 30, -1, 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, -1, 60, -1, -1, + // p q r s t u v w x y z + -1, 20, -1, 70, -1, 10, 0, 20, -1, 10, 0, -1, -1, -1, -1, -1 +}; + + +// 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, +}; + +// 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, +}; + +//---------------------------------------------------------------------- + +/** + * 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 { + Formattable monthName((const UnicodeString&)(symbols[value])); + MessageFormat::format(*monthPattern, &monthName, 1, dst, status); + } + } +} + +//---------------------------------------------------------------------- +void +SimpleDateFormat::initNumberFormatters(const Locale &locale,UErrorCode &status) { + if (U_FAILURE(status)) { + return; + } + if ( fDateOverride.isBogus() && fTimeOverride.isBogus() ) { + return; + } + umtx_lock(&LOCK); + if (fNumberFormatters == NULL) { + fNumberFormatters = (NumberFormat**)uprv_malloc(UDAT_FIELD_COUNT * sizeof(NumberFormat*)); + if (fNumberFormatters) { + for (int32_t i = 0; i < UDAT_FIELD_COUNT; i++) { + fNumberFormatters[i] = fNumberFormat; + } + } else { + status = U_MEMORY_ALLOCATION_ERROR; + } + } + umtx_unlock(&LOCK); + + 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()) { + return; + } + int32_t start = 0; + int32_t len; + UnicodeString nsName; + UnicodeString ovrField; + UBool moreToProcess = TRUE; + + 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 *cur = fOverrideList; + NumberFormat *nf = NULL; + UBool found = FALSE; + while ( cur && !found ) { + if ( cur->hash == nsNameHash ) { + nf = cur->nf; + found = TRUE; + } + cur = cur->next; + } + + if (!found) { + cur = (NSOverride *)uprv_malloc(sizeof(NSOverride)); + if (cur) { + 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); + nf = NumberFormat::createInstance(ovrLoc,status); + + // 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 + + if (U_SUCCESS(status)) { + 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" + + cur->nf = nf; + cur->hash = nsNameHash; + cur->next = fOverrideList; + fOverrideList = cur; + } + else { + // clean up before returning + if (cur != NULL) { + uprv_free(cur); + } + return; + } + + } else { + status = U_MEMORY_ALLOCATION_ERROR; + 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++ ) { + fNumberFormatters[kDateFields[i]] = nf; + } + if (type==kOvrStrDate) { + break; + } + } + case kOvrStrTime : { + for ( int8_t i=0 ; i<kTimeFieldsCount; i++ ) { + fNumberFormatters[kTimeFields[i]] = nf; + } + 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; + return; + } + + // Set the number formatter in the table + fNumberFormatters[patternCharIndex] = nf; + } + + start = delimiterPosition + 1; + } +} + +//--------------------------------------------------------------------- +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(); + NumberFormat *currentNumberFormat; + DateFormatSymbols::ECapitalizationContextUsageType capContextUsageType = DateFormatSymbols::kCapContextUsageOther; + + UBool isHebrewCalendar = (uprv_strcmp(cal.getType(),"hebrew") == 0); + UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 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 = cal.get(field, status); + if (U_FAILURE(status)) { + return; + } + + currentNumberFormat = getNumberFormatByIndex(patternCharIndex); + 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 + + // 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 + { + currentNumberFormat->setMinimumIntegerDigits((count > 3) ? 3 : count); + currentNumberFormat->setMaximumIntegerDigits(maxIntCount); + if (count == 1) { + value /= 100; + } else if (count == 2) { + value /= 10; + } + FieldPosition p(0); + currentNumberFormat->format(value, appendTo, p); + if (count > 3) { + currentNumberFormat->setMinimumIntegerDigits(count - 3); + currentNumberFormat->format((int32_t)0, appendTo, p); + } + } + break; + + // for "ee" or "e", use local numeric day-of-the-week + // 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 + 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 { + _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 + 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 { // count == 3 + _appendSymbol(appendTo, value, fSymbols->fStandaloneShortWeekdays, + fSymbols->fStandaloneShortWeekdaysCount); + capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; + } + break; + + // for and "a" symbol, write out the whole AM/PM string + case UDAT_AM_PM_FIELD: + _appendSymbol(appendTo, value, fSymbols->fAmPms, + fSymbols->fAmPmsCount); + 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; + + // for the "z" symbols, we have to check our time zone data first. If we have a + // localized name for the time zone, then "zzzz" / "zzz" indicate whether + // daylight time is in effect (long/short) and "zz" / "z" do not (long/short). + // If we don't have a localized time zone name, + // then the time zone shows up as "GMT+hh:mm" or "GMT-hh:mm" (where "hh:mm" is the + // offset from GMT) regardless of how many z's were in the pattern symbol + case UDAT_TIMEZONE_FIELD: + case UDAT_TIMEZONE_GENERIC_FIELD: + case UDAT_TIMEZONE_SPECIAL_FIELD: + case UDAT_TIMEZONE_RFC_FIELD: // 'Z' - TIMEZONE_RFC + { + UnicodeString zoneString; + const TimeZone& tz = cal.getTimeZone(); + UDate date = cal.getTime(status); + if (U_SUCCESS(status)) { + if (patternCharIndex == UDAT_TIMEZONE_RFC_FIELD) { + if (count < 4) { + // "Z" + tzFormat()->format(UTZFMT_STYLE_RFC822, tz, date, zoneString); + } else if (count == 5) { + // "ZZZZZ" + tzFormat()->format(UTZFMT_STYLE_ISO8601, tz, date, zoneString); + } else { + // "ZZ", "ZZZ", "ZZZZ" + tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString); + } + } else if (patternCharIndex == UDAT_TIMEZONE_FIELD) { + if (count < 4) { + // "z", "zz", "zzz" + tzFormat()->format(UTZFMT_STYLE_SPECIFIC_SHORT, tz, date, zoneString); + capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; + } else { + // "zzzz" + tzFormat()->format(UTZFMT_STYLE_SPECIFIC_LONG, tz, date, zoneString); + capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong; + } + } else if (patternCharIndex == UDAT_TIMEZONE_GENERIC_FIELD) { + if (count == 1) { + // "v" + tzFormat()->format(UTZFMT_STYLE_GENERIC_SHORT, tz, date, zoneString); + capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; + } else if (count == 4) { + // "vvvv" + tzFormat()->format(UTZFMT_STYLE_GENERIC_LONG, tz, date, zoneString); + capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong; + } + } else { // patternCharIndex == UDAT_TIMEZONE_SPECIAL_FIELD + if (count == 1) { + // "V" + tzFormat()->format(UTZFMT_STYLE_SPECIFIC_SHORT, tz, date, zoneString); + capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; + } else if (count == 4) { + // "VVVV" + tzFormat()->format(UTZFMT_STYLE_GENERIC_LOCATION, tz, date, zoneString); + capContextUsageType = DateFormatSymbols::kCapContextUsageZoneLong; + } + } + } + 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; + + + // 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 (fieldNum == 0) { + // first field, check to see whether we need to titlecase it + 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(NULL, fLocale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT); + appendTo.replaceBetween(beginOffset, appendTo.length(), firstField); + } + } +#endif + + handler.addAttribute(fgPatternIndexToDateFormatField[patternCharIndex], beginOffset, appendTo.length()); +} + +//---------------------------------------------------------------------- + +NumberFormat * +SimpleDateFormat::getNumberFormatByIndex(UDateFormatField index) const { + if (fNumberFormatters != NULL) { + return fNumberFormatters[index]; + } else { + return fNumberFormat; + } +} + +//---------------------------------------------------------------------- +void +SimpleDateFormat::zeroPaddingNumber(NumberFormat *currentNumberFormat,UnicodeString &appendTo, + int32_t value, int32_t minDigits, int32_t maxDigits) const +{ + if (currentNumberFormat!=NULL) { + FieldPosition pos(0); + + currentNumberFormat->setMinimumIntegerDigits(minDigits); + currentNumberFormat->setMaximumIntegerDigits(maxDigits); + currentNumberFormat->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(); + int32_t start = pos; + + UBool ambiguousYear[] = { FALSE }; + int32_t saveHebrewMonth = -1; + int32_t count = 0; + + UBool lenient = isLenient(); + + // hack, reset tztype, cast away const + ((SimpleDateFormat*)this)->tztype = 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 && ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { // [A-Za-z] + 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); + + // 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); + + 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 ch = fPattern.charAt(i+1); + + // check for whitespace + if (PatternProps::isWhiteSpace(ch)) { + 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, lenient)) { + status = U_PARSE_ERROR; + goto ExitParse; + } + } + } + + // Special hack for trailing "." after non-numeric field. + if (text.charAt(pos) == 0x2e && lenient) { + // only do if the last field is not numeric + if (isAfterNonNumericField(fPattern, fPattern.length())) { + pos++; // skip the extra "." + } + } + + // 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] || tztype != 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 (tztype != 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 (tztype == 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 (tztype == 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); + } +} + +UDate +SimpleDateFormat::parse( const UnicodeString& text, + ParsePosition& pos) const { + // redefined here because the other parse() function hides this function's + // cunterpart on DateFormat + return DateFormat::parse(text, pos); +} + +UDate +SimpleDateFormat::parse(const UnicodeString& text, UErrorCode& status) const +{ + // redefined here because the other parse() function hides this function's + // counterpart on DateFormat + return DateFormat::parse(text, status); +} +//---------------------------------------------------------------------- + +static UBool +newBestMatchWithOptionalDot(const UnicodeString &lcaseText, + const UnicodeString &data, + UnicodeString &bestMatchName, + int32_t &bestMatchLength); + +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; + + // {sfb} kludge to support case-insensitive comparison + // {markus 2002oct11} do not just use caseCompareBetween because we do not know + // the length of the match after case folding + // {alan 20040607} don't case change the whole string, since the length + // can change + // TODO we need a case-insensitive startsWith function + UnicodeString lcaseText; + text.extract(start, INT32_MAX, lcaseText); + lcaseText.foldCase(); + + for (; i < count; ++i) + { + // Always compare if we have no match yet; otherwise only compare + // against potentially better matches (longer strings). + + if (newBestMatchWithOptionalDot(lcaseText, data[i], bestMatchName, bestMatchLength)) { + bestMatch = i; + } + } + if (bestMatch >= 0) + { + cal.set(field, bestMatch * 3); + + // Once we have a match, we have to determine the length of the + // original source string. This will usually be == the length of + // the case folded string, but it may differ (e.g. sharp s). + + // Most of the time, the length will be the same as the length + // of the string from the locale data. Sometimes it will be + // different, in which case we will have to figure it out by + // adding a character at a time, until we have a match. We do + // this all in one loop, where we try 'len' first (at index + // i==0). + int32_t len = bestMatchName.length(); // 99+% of the time + int32_t n = text.length() - start; + for (i=0; i<=n; ++i) { + int32_t j=i; + if (i == 0) { + j = len; + } else if (i == len) { + continue; // already tried this when i was 0 + } + text.extract(start, j, lcaseText); + lcaseText.foldCase(); + if (bestMatchName == lcaseText) { + return start + j; + } + } + } + + return -start; +} + +//---------------------------------------------------------------------- +UBool SimpleDateFormat::matchLiterals(const UnicodeString &pattern, + int32_t &patternOffset, + const UnicodeString &text, + int32_t &textOffset, + UBool lenient) +{ + 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 && ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { // unquoted [A-Za-z] + 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 (lenient) { + // 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 (!lenient && 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 (lenient) { + 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. + } + 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; + + // {sfb} kludge to support case-insensitive comparison + // {markus 2002oct11} do not just use caseCompareBetween because we do not know + // the length of the match after case folding + // {alan 20040607} don't case change the whole string, since the length + // can change + // TODO we need a case-insensitive startsWith function + UnicodeString lcaseText; + text.extract(start, INT32_MAX, lcaseText); + lcaseText.foldCase(); + + for (; i < count; ++i) + { + // Always compare if we have no match yet; otherwise only compare + // against potentially better matches (longer strings). + + if (newBestMatchWithOptionalDot(lcaseText, data[i], bestMatchName, bestMatchLength)) { + bestMatch = i; + isLeapMonth = 0; + } + + if (monthPattern != NULL) { + UErrorCode status = U_ZERO_ERROR; + UnicodeString leapMonthName; + Formattable monthName((const UnicodeString&)(data[i])); + MessageFormat::format(*monthPattern, &monthName, 1, leapMonthName, status); + if (U_SUCCESS(status)) { + if (newBestMatchWithOptionalDot(lcaseText, leapMonthName, bestMatchName, bestMatchLength)) { + bestMatch = i; + isLeapMonth = 1; + } + } + } + } + if (bestMatch >= 0) + { + // 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); + } + + // Once we have a match, we have to determine the length of the + // original source string. This will usually be == the length of + // the case folded string, but it may differ (e.g. sharp s). + + // Most of the time, the length will be the same as the length + // of the string from the locale data. Sometimes it will be + // different, in which case we will have to figure it out by + // adding a character at a time, until we have a match. We do + // this all in one loop, where we try 'len' first (at index + // i==0). + int32_t len = bestMatchName.length(); // 99+% of the time + int32_t n = text.length() - start; + for (i=0; i<=n; ++i) { + int32_t j=i; + if (i == 0) { + j = len; + } else if (i == len) { + continue; // already tried this when i was 0 + } + text.extract(start, j, lcaseText); + lcaseText.foldCase(); + if (bestMatchName == lcaseText) { + return start + j; + } + } + } + + return -start; +} + +static UBool +newBestMatchWithOptionalDot(const UnicodeString &lcaseText, + const UnicodeString &data, + UnicodeString &bestMatchName, + int32_t &bestMatchLength) { + UnicodeString lcase; + lcase.fastCopyFrom(data).foldCase(); + int32_t length = lcase.length(); + if (length <= bestMatchLength) { + // data cannot provide a better match. + return FALSE; + } + + if (lcaseText.compareBetween(0, length, lcase, 0, length) == 0) { + // normal match + bestMatchName = lcase; + bestMatchLength = length; + return TRUE; + } + if (lcase.charAt(--length) == 0x2e) { + if (lcaseText.compareBetween(0, length, lcase, 0, length) == 0) { + // The input text matches the data except for data's trailing dot. + bestMatchName = lcase; + bestMatchName.truncate(length); + bestMatchLength = length; + return TRUE; + } + } + return FALSE; +} + +//---------------------------------------------------------------------- + +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. + * @param text the time text to be parsed. + * @param start where to start parsing. + * @param ch the pattern character for the date field text to be parsed. + * @param count the count of a pattern character. + * @return the new start position if matching succeeded; a negative number + * indicating matching failure, otherwise. + */ +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) const +{ + Formattable number; + int32_t value = 0; + int32_t i; + int32_t ps = 0; + ParsePosition pos(0); + UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch); + NumberFormat *currentNumberFormat; + UnicodeString temp; + UBool lenient = isLenient(); + 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); + UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; + UnicodeString hebr("hebr", 4, US_INV); + + if (numericLeapMonthFormatter != NULL) { + numericLeapMonthFormatter->setFormats((const Format **)¤tNumberFormat, 1); + } + UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 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 (!lenient) { + // 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 + + 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 ((pos.getIndex() - start) == 2 && !isChineseCalendar + && u_isdigit(text.charAt(start)) + && u_isdigit(text.charAt(start+1))) + { + // 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 ((pos.getIndex() - start) == 2 + && u_isdigit(text.charAt(start)) + && u_isdigit(text.charAt(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 && (lenient || 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 status = U_ZERO_ERROR; + if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && 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) { + newStart = matchString(text, start, UCAL_MONTH, fSymbols->fMonths, fSymbols->fMonthsCount, wideMonthPat, cal); // try MMMM + if (newStart > 0) { + return newStart; + } + newStart = matchString(text, start, UCAL_MONTH, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, shortMonthPat, cal); // try MMM + } else { + newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, wideMonthPat, cal); // try LLLL + if (newStart > 0) { + return newStart; + } + newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, shortMonthPat, cal); // try LLL + } + if (newStart > 0 || !lenient) // 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 + + 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 = pos.getIndex() - start; + if (i < 3) { + while (i < 3) { + value *= 10; + i++; + } + } else { + int32_t a = 1; + while (i > 3) { + a *= 10; + i--; + } + value = (value + (a>>1)) / 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 + case UDAT_DAY_OF_WEEK_FIELD: + { + // Want to be able to parse both short and long forms. + // Try count == 4 (EEEE) first: + int32_t newStart = 0; + if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, + fSymbols->fWeekdays, fSymbols->fWeekdaysCount, NULL, cal)) > 0) + return newStart; + // EEEE failed, now try EEE + else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, + fSymbols->fShortWeekdays, fSymbols->fShortWeekdaysCount, NULL, cal)) > 0) + return newStart; + // EEE failed, now try EEEEE + else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, + fSymbols->fNarrowWeekdays, fSymbols->fNarrowWeekdaysCount, NULL, cal)) > 0) + return newStart; + else if (!lenient || 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 ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, + fSymbols->fStandaloneWeekdays, fSymbols->fStandaloneWeekdaysCount, NULL, cal)) > 0) + return newStart; + else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, + fSymbols->fStandaloneShortWeekdays, fSymbols->fStandaloneShortWeekdaysCount, NULL, cal)) > 0) + return newStart; + else if (!lenient) + return newStart; + // else we allowing parsing as number, below + } + break; + + case UDAT_AM_PM_FIELD: + return matchString(text, start, UCAL_AM_PM, fSymbols->fAmPms, fSymbols->fAmPmsCount, NULL, cal); + + case UDAT_HOUR1_FIELD: + // [We computed 'value' above.] + if (value == cal.getLeastMaximum(UCAL_HOUR)+1) + value = 0; + + // fall through to set field + + 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 ((newStart = matchQuarterString(text, start, UCAL_MONTH, + fSymbols->fQuarters, fSymbols->fQuartersCount, cal)) > 0) + return newStart; + else if ((newStart = matchQuarterString(text, start, UCAL_MONTH, + fSymbols->fShortQuarters, fSymbols->fShortQuartersCount, cal)) > 0) + return newStart; + else if (!lenient) + return newStart; + // else we allowing parsing as number, below + } + 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 ((newStart = matchQuarterString(text, start, UCAL_MONTH, + fSymbols->fStandaloneQuarters, fSymbols->fStandaloneQuartersCount, cal)) > 0) + return newStart; + else if ((newStart = matchQuarterString(text, start, UCAL_MONTH, + fSymbols->fStandaloneShortQuarters, fSymbols->fStandaloneShortQuartersCount, cal)) > 0) + return newStart; + else if (!lenient) + return newStart; + // else we allowing parsing as number, below + } + break; + + case UDAT_TIMEZONE_FIELD: + { + UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; + UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_SPECIFIC_SHORT : UTZFMT_STYLE_SPECIFIC_LONG; + TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); + if (tz != NULL) { + ((SimpleDateFormat*)this)->tztype = tzTimeType; + cal.adoptTimeZone(tz); + return pos.getIndex(); + } + } + break; + case UDAT_TIMEZONE_RFC_FIELD: + { + UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; + UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_RFC822 : ((count == 5) ? UTZFMT_STYLE_ISO8601: UTZFMT_STYLE_LOCALIZED_GMT); + TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); + if (tz != NULL) { + ((SimpleDateFormat*)this)->tztype = tzTimeType; + cal.adoptTimeZone(tz); + return pos.getIndex(); + } + return -start; + } + case UDAT_TIMEZONE_GENERIC_FIELD: + { + UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; + UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_GENERIC_SHORT : UTZFMT_STYLE_GENERIC_LONG; + TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); + if (tz != NULL) { + ((SimpleDateFormat*)this)->tztype = tzTimeType; + cal.adoptTimeZone(tz); + return pos.getIndex(); + } + return -start; + } + case UDAT_TIMEZONE_SPECIAL_FIELD: + { + UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; + UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_SPECIFIC_SHORT : UTZFMT_STYLE_GENERIC_LOCATION; + TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); + if (tz != NULL) { + ((SimpleDateFormat*)this)->tztype = tzTimeType; + cal.adoptTimeZone(tz); + return pos.getIndex(); + } + 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 value = 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 (!lenient) { + // 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; + } + } + + // 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 status = U_ZERO_ERROR; + if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6) { + cal.set(UCAL_MONTH, value); + } else { + cal.set(UCAL_MONTH, value - 1); + } + } else { + saveHebrewMonth = value; + } + } else { + cal.set(UCAL_MONTH, value - 1); + } + break; + case UDAT_STANDALONE_MONTH_FIELD: + cal.set(UCAL_MONTH, value - 1); + break; + case UDAT_DOW_LOCAL_FIELD: + case UDAT_STANDALONE_DAY_FIELD: + cal.set(UCAL_DOW_LOCAL, value); + break; + case UDAT_QUARTER_FIELD: + case UDAT_STANDALONE_QUARTER_FIELD: + cal.set(UCAL_MONTH, (value - 1) * 3); + break; + default: + cal.set(field, value); + 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, + 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, + NumberFormat *fmt) const { + UnicodeString oldPrefix; + DecimalFormat* df = NULL; + if (!allowNegative && (df = dynamic_cast<DecimalFormat*>(fmt)) != NULL) { + df->getNegativePrefix(oldPrefix); + df->setNegativePrefix(UnicodeString(TRUE, SUPPRESS_NEGATIVE_PREFIX, -1)); + } + int32_t oldPos = pos.getIndex(); + fmt->parse(text, number, pos); + if (df != NULL) { + df->setNegativePrefix(oldPrefix); + } + + 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); + } + } +} + +//---------------------------------------------------------------------- + +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 ion "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 ((c >= 0x0061 /*'a'*/ && c <= 0x007A) /*'z'*/ + || (c >= 0x0041 /*'A'*/ && c <= 0x005A /*'Z'*/)) { + 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; +} + +//---------------------------------------------------------------------- + +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 { + return (const TimeZoneFormat*)tzFormat(); +} + +//---------------------------------------------------------------------- +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; + DateFormat::adoptCalendar(calendarToAdopt); + delete fSymbols; + fSymbols=NULL; + initializeSymbols(fLocale, fCalendar, status); // we need new symbols + initializeDefaultCentury(); // we need a new century (possibly) +} + + +//---------------------------------------------------------------------- + + +void SimpleDateFormat::setContext(UDisplayContext value, UErrorCode& status) +{ + if (U_FAILURE(status)) + return; + if ( (UDisplayContextType)((uint32_t)value >> 8) == UDISPCTX_TYPE_CAPITALIZATION ) { + fCapitalizationContext = value; + } else { + status = U_ILLEGAL_ARGUMENT_ERROR; + } +} + + +//---------------------------------------------------------------------- + + +UDisplayContext SimpleDateFormat::getContext(UDisplayContextType type, UErrorCode& status) const +{ + if (U_FAILURE(status)) + return (UDisplayContext)0; + if (type != UDISPCTX_TYPE_CAPITALIZATION) { + status = U_ILLEGAL_ARGUMENT_ERROR; + return (UDisplayContext)0; + } + return fCapitalizationContext; +} + + +//---------------------------------------------------------------------- + + +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 = fgPatternCharToLevel[prevCh - PATTERN_CHAR_BASE]; + // 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 && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/) + || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) { + prevCh = ch; + ++count; + } + } + if ( count > 0 ) { + // last item + level = fgPatternCharToLevel[prevCh - PATTERN_CHAR_BASE]; + 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() const { + if (fTimeZoneFormat == NULL) { + umtx_lock(&LOCK); + { + if (fTimeZoneFormat == NULL) { + UErrorCode status = U_ZERO_ERROR; + TimeZoneFormat *tzfmt = TimeZoneFormat::createInstance(fLocale, status); + if (U_FAILURE(status)) { + return NULL; + } + + const_cast<SimpleDateFormat *>(this)->fTimeZoneFormat = tzfmt; + } + } + umtx_unlock(&LOCK); + } + return fTimeZoneFormat; +} + +U_NAMESPACE_END + +#endif /* #if !UCONFIG_NO_FORMATTING */ + +//eof |