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Diffstat (limited to 'Build/source/libs/icu/icu-4.8.1/i18n/smpdtfmt.cpp')
| -rw-r--r-- | Build/source/libs/icu/icu-4.8.1/i18n/smpdtfmt.cpp | 3556 |
1 files changed, 3556 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-4.8.1/i18n/smpdtfmt.cpp b/Build/source/libs/icu/icu-4.8.1/i18n/smpdtfmt.cpp new file mode 100644 index 00000000000..d1df7eda8ba --- /dev/null +++ b/Build/source/libs/icu/icu-4.8.1/i18n/smpdtfmt.cpp @@ -0,0 +1,3556 @@ +/* +******************************************************************************* +* Copyright (C) 1997-2011, 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/vtzone.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 "tzfmt.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. +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 }; +static const int8_t kDateFieldsCount = 13; + +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 +}; + +static UMTX LOCK; + +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleDateFormat) + +//---------------------------------------------------------------------- + +SimpleDateFormat::~SimpleDateFormat() +{ + delete fSymbols; + if (fGMTFormatters) { + for (int32_t i = 0; i < kNumGMTFormatters; i++) { + if (fGMTFormatters[i]) { + delete fGMTFormatters[i]; + } + } + uprv_free(fGMTFormatters); + + } + 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), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + construct(kShort, (EStyle) (kShort + kDateOffset), fLocale, status); + initializeDefaultCentury(); +} + +//---------------------------------------------------------------------- + +SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, + UErrorCode &status) +: fPattern(pattern), + fLocale(Locale::getDefault()), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + 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), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + 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), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + + 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), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + + 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), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + + 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), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + + 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), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + 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), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + 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), + fSymbols(NULL), + fTimeZoneFormat(NULL), + fGMTFormatters(NULL), + fNumberFormatters(NULL), + fOverrideList(NULL) +{ + *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; + } + + 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); + } + 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 +{ + Calendar *workCal = &cal; + TimeZone *backupTZ = 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. + UDate t = cal.getTime(status); + fCalendar->setTime(t, status); + backupTZ = fCalendar->getTimeZone().clone(); + fCalendar->setTimeZone(cal.getTimeZone()); + workCal = fCalendar; + } + + UBool inQuote = FALSE; + UChar prevCh = 0; + int32_t count = 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, 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, handler, *workCal, status); + } + + if (backupTZ != NULL) { + // Restore the original time zone + fCalendar->adoptTimeZone(backupTZ); + } + + 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, -1, 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, +}; + +// 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, +}; + +//---------------------------------------------------------------------- + +/** + * 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]; + } +} + +//--------------------------------------------------------------------- +void +SimpleDateFormat::appendGMT(NumberFormat *currentNumberFormat,UnicodeString &appendTo, Calendar& cal, UErrorCode& status) const{ + int32_t offset = cal.get(UCAL_ZONE_OFFSET, status) + cal.get(UCAL_DST_OFFSET, status); + if (U_FAILURE(status)) { + return; + } + if (offset == 0) { + // use GMT zero format + appendTo += fSymbols->fGmtZero; + } else { + if (isDefaultGMTFormat()) { + formatGMTDefault(currentNumberFormat,appendTo, offset); + } else { + ((SimpleDateFormat*)this)->initGMTFormatters(status); + if (U_SUCCESS(status)) { + int32_t type; + if (offset < 0) { + offset = -offset; + type = (offset % U_MILLIS_PER_MINUTE) == 0 ? kGMTNegativeHM : kGMTNegativeHMS; + } else { + type = (offset % U_MILLIS_PER_MINUTE) == 0 ? kGMTPositiveHM : kGMTPositiveHMS; + } + Formattable param(offset, Formattable::kIsDate); + FieldPosition fpos(0); + fGMTFormatters[type]->format(¶m, 1, appendTo, fpos, status); + } + } + } +} + +int32_t +SimpleDateFormat::parseGMT(const UnicodeString &text, ParsePosition &pos) const { + if (!isDefaultGMTFormat()) { + int32_t start = pos.getIndex(); + + // Quick check + UBool prefixMatch = FALSE; + int32_t prefixLen = fSymbols->fGmtFormat.indexOf((UChar)0x007B /* '{' */); + if (prefixLen > 0 && text.compare(start, prefixLen, fSymbols->fGmtFormat, 0, prefixLen) == 0) { + prefixMatch = TRUE; + } + if (prefixMatch) { + // Prefix matched + UErrorCode status = U_ZERO_ERROR; + ((SimpleDateFormat*)this)->initGMTFormatters(status); + if (U_SUCCESS(status)) { + Formattable parsed; + int32_t parsedCount; + + // Try negative Hms + fGMTFormatters[kGMTNegativeHMS]->parseObject(text, parsed, pos); + if (pos.getErrorIndex() == -1 && + (pos.getIndex() - start) >= fGMTFormatHmsMinLen[kGMTNegativeHMSMinLenIdx]) { + parsed.getArray(parsedCount); + if (parsedCount == 1 && parsed[0].getType() == Formattable::kDate) { + return (int32_t)(-1 * (int64_t)parsed[0].getDate()); + } + } + + // Reset ParsePosition + pos.setIndex(start); + pos.setErrorIndex(-1); + + // Try positive Hms + fGMTFormatters[kGMTPositiveHMS]->parseObject(text, parsed, pos); + if (pos.getErrorIndex() == -1 && + (pos.getIndex() - start) >= fGMTFormatHmsMinLen[kGMTPositiveHMSMinLenIdx]) { + parsed.getArray(parsedCount); + if (parsedCount == 1 && parsed[0].getType() == Formattable::kDate) { + return (int32_t)((int64_t)parsed[0].getDate()); + } + } + + // Reset ParsePosition + pos.setIndex(start); + pos.setErrorIndex(-1); + + // Try negative Hm + fGMTFormatters[kGMTNegativeHM]->parseObject(text, parsed, pos); + if (pos.getErrorIndex() == -1 && pos.getIndex() > start) { + parsed.getArray(parsedCount); + if (parsedCount == 1 && parsed[0].getType() == Formattable::kDate) { + return (int32_t)(-1 * (int64_t)parsed[0].getDate()); + } + } + + // Reset ParsePosition + pos.setIndex(start); + pos.setErrorIndex(-1); + + // Try positive Hm + fGMTFormatters[kGMTPositiveHM]->parseObject(text, parsed, pos); + if (pos.getErrorIndex() == -1 && pos.getIndex() > start) { + parsed.getArray(parsedCount); + if (parsedCount == 1 && parsed[0].getType() == Formattable::kDate) { + return (int32_t)((int64_t)parsed[0].getDate()); + } + } + + // Reset ParsePosition + pos.setIndex(start); + pos.setErrorIndex(-1); + } + // fall through to the default GMT parsing method + } + } + return parseGMTDefault(text, pos); +} + +void +SimpleDateFormat::formatGMTDefault(NumberFormat *currentNumberFormat,UnicodeString &appendTo, int32_t offset) const { + if (offset < 0) { + appendTo.append(gGmtMinus, 4); + offset = -offset; // suppress the '-' sign for text display. + }else{ + appendTo.append(gGmtPlus, 4); + } + + offset /= U_MILLIS_PER_SECOND; // now in seconds + int32_t sec = offset % 60; + offset /= 60; + int32_t min = offset % 60; + int32_t hour = offset / 60; + + + zeroPaddingNumber(currentNumberFormat,appendTo, hour, 2, 2); + appendTo += (UChar)0x003A /*':'*/; + zeroPaddingNumber(currentNumberFormat,appendTo, min, 2, 2); + if (sec != 0) { + appendTo += (UChar)0x003A /*':'*/; + zeroPaddingNumber(currentNumberFormat,appendTo, sec, 2, 2); + } +} + +int32_t +SimpleDateFormat::parseGMTDefault(const UnicodeString &text, ParsePosition &pos) const { + int32_t start = pos.getIndex(); + NumberFormat *currentNumberFormat = getNumberFormatByIndex(UDAT_TIMEZONE_RFC_FIELD); + + if (start + kUtLen + 1 >= text.length()) { + pos.setErrorIndex(start); + return 0; + } + + int32_t cur = start; + // "GMT" + if (text.compare(start, kGmtLen, gGmt) == 0) { + cur += kGmtLen; + } else if (text.compare(start, kUtLen, gUt) == 0) { + cur += kUtLen; + } else { + pos.setErrorIndex(start); + return 0; + } + // Sign + UBool negative = FALSE; + if (text.charAt(cur) == (UChar)0x002D /* minus */) { + negative = TRUE; + } else if (text.charAt(cur) != (UChar)0x002B /* plus */) { + pos.setErrorIndex(cur); + return 0; + } + cur++; + + // Numbers + int32_t numLen; + pos.setIndex(cur); + + Formattable number; + parseInt(text, number, 6, pos, FALSE,currentNumberFormat); + numLen = pos.getIndex() - cur; + + if (numLen <= 0) { + pos.setIndex(start); + pos.setErrorIndex(cur); + return 0; + } + + int32_t numVal = number.getLong(); + + int32_t hour = 0; + int32_t min = 0; + int32_t sec = 0; + + if (numLen <= 2) { + // H[H][:mm[:ss]] + hour = numVal; + cur += numLen; + if (cur + 2 < text.length() && text.charAt(cur) == (UChar)0x003A /* colon */) { + cur++; + pos.setIndex(cur); + parseInt(text, number, 2, pos, FALSE,currentNumberFormat); + numLen = pos.getIndex() - cur; + if (numLen == 2) { + // got minute field + min = number.getLong(); + cur += numLen; + if (cur + 2 < text.length() && text.charAt(cur) == (UChar)0x003A /* colon */) { + cur++; + pos.setIndex(cur); + parseInt(text, number, 2, pos, FALSE,currentNumberFormat); + numLen = pos.getIndex() - cur; + if (numLen == 2) { + // got second field + sec = number.getLong(); + } else { + // reset position + pos.setIndex(cur - 1); + pos.setErrorIndex(-1); + } + } + } else { + // reset postion + pos.setIndex(cur - 1); + pos.setErrorIndex(-1); + } + } + } else if (numLen == 3 || numLen == 4) { + // Hmm or HHmm + hour = numVal / 100; + min = numVal % 100; + } else if (numLen == 5 || numLen == 6) { + // Hmmss or HHmmss + hour = numVal / 10000; + min = (numVal % 10000) / 100; + sec = numVal % 100; + } else { + // HHmmss followed by bogus numbers + pos.setIndex(cur + 6); + + int32_t shift = numLen - 6; + while (shift > 0) { + numVal /= 10; + shift--; + } + hour = numVal / 10000; + min = (numVal % 10000) / 100; + sec = numVal % 100; + } + + int32_t offset = ((hour*60 + min)*60 + sec)*1000; + if (negative) { + offset = -offset; + } + return offset; +} + +UBool +SimpleDateFormat::isDefaultGMTFormat() const { + // GMT pattern + if (fSymbols->fGmtFormat.length() == 0) { + // No GMT pattern is set + return TRUE; + } else if (fSymbols->fGmtFormat.compare(gDefGmtPat, kGmtPatLen) != 0) { + return FALSE; + } + // Hour patterns + if (fSymbols->fGmtHourFormats == NULL || fSymbols->fGmtHourFormatsCount != DateFormatSymbols::GMT_HOUR_COUNT) { + // No Hour pattern is set + return TRUE; + } else if ((fSymbols->fGmtHourFormats[DateFormatSymbols::GMT_NEGATIVE_HMS].compare(gDefGmtNegHmsPat, kNegHmsLen) != 0) + || (fSymbols->fGmtHourFormats[DateFormatSymbols::GMT_NEGATIVE_HM].compare(gDefGmtNegHmPat, kNegHmLen) != 0) + || (fSymbols->fGmtHourFormats[DateFormatSymbols::GMT_POSITIVE_HMS].compare(gDefGmtPosHmsPat, kPosHmsLen) != 0) + || (fSymbols->fGmtHourFormats[DateFormatSymbols::GMT_POSITIVE_HM].compare(gDefGmtPosHmPat, kPosHmLen) != 0)) { + return FALSE; + } + return TRUE; +} + +void +SimpleDateFormat::formatRFC822TZ(UnicodeString &appendTo, int32_t offset) const { + UChar sign = 0x002B /* '+' */; + if (offset < 0) { + offset = -offset; + sign = 0x002D /* '-' */; + } + appendTo.append(sign); + + int32_t offsetH = offset / U_MILLIS_PER_HOUR; + offset = offset % U_MILLIS_PER_HOUR; + int32_t offsetM = offset / U_MILLIS_PER_MINUTE; + offset = offset % U_MILLIS_PER_MINUTE; + int32_t offsetS = offset / U_MILLIS_PER_SECOND; + + int32_t num = 0, denom = 0; + if (offsetS == 0) { + offset = offsetH*100 + offsetM; // HHmm + num = offset % 10000; + denom = 1000; + } else { + offset = offsetH*10000 + offsetM*100 + offsetS; // HHmmss + num = offset % 1000000; + denom = 100000; + } + while (denom >= 1) { + UChar digit = (UChar)0x0030 + (num / denom); + appendTo.append(digit); + num = num % denom; + denom /= 10; + } +} + +void +SimpleDateFormat::initGMTFormatters(UErrorCode &status) { + if (U_FAILURE(status)) { + return; + } + umtx_lock(&LOCK); + if (fGMTFormatters == NULL) { + fGMTFormatters = (MessageFormat**)uprv_malloc(kNumGMTFormatters * sizeof(MessageFormat*)); + if (fGMTFormatters) { + for (int32_t i = 0; i < kNumGMTFormatters; i++) { + const UnicodeString *hourPattern = NULL; //initialized it to avoid warning + switch (i) { + case kGMTNegativeHMS: + hourPattern = &(fSymbols->fGmtHourFormats[DateFormatSymbols::GMT_NEGATIVE_HMS]); + break; + case kGMTNegativeHM: + hourPattern = &(fSymbols->fGmtHourFormats[DateFormatSymbols::GMT_NEGATIVE_HM]); + break; + case kGMTPositiveHMS: + hourPattern = &(fSymbols->fGmtHourFormats[DateFormatSymbols::GMT_POSITIVE_HMS]); + break; + case kGMTPositiveHM: + hourPattern = &(fSymbols->fGmtHourFormats[DateFormatSymbols::GMT_POSITIVE_HM]); + break; + } + fGMTFormatters[i] = new MessageFormat(fSymbols->fGmtFormat, status); + GregorianCalendar *gcal = new GregorianCalendar(TimeZone::createTimeZone(UnicodeString(gEtcUTC)), status); + if (U_FAILURE(status)) { + break; + } + SimpleDateFormat *sdf = (SimpleDateFormat*)this->clone(); + sdf->adoptCalendar(gcal); + sdf->applyPattern(*hourPattern); + + // This prevents an hours format pattern like "-HH:mm:ss" from matching + // in a string like "GMT-07:00 10:08:11 PM" + sdf->setLenient(FALSE); + + fGMTFormatters[i]->adoptFormat(0, sdf); + + // For parsing, we only allow Hms patterns to be equal or longer + // than its length with fixed minutes/seconds digits. + // See #6880 + if (i == kGMTNegativeHMS || i == kGMTPositiveHMS) { + UnicodeString tmp; + Formattable tmpParam(60*60*1000, Formattable::kIsDate); + FieldPosition fpos(0); + fGMTFormatters[i]->format(&tmpParam, 1, tmp, fpos, status); + if (U_FAILURE(status)) { + break; + } + if (i == kGMTNegativeHMS) { + fGMTFormatHmsMinLen[kGMTNegativeHMSMinLenIdx] = tmp.length(); + } else { + fGMTFormatHmsMinLen[kGMTPositiveHMSMinLenIdx] = tmp.length(); + } + } + } + } else { + status = U_MEMORY_ALLOCATION_ERROR; + } + } + umtx_unlock(&LOCK); +} + +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(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(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 { + UChar ch = ovrField.charAt(0); + UChar *patternCharPtr = u_strchr(DateFormatSymbols::getPatternUChars(), ch); + UDateFormatField patternCharIndex; + + // if the pattern character is unrecognized, signal an error and bail out + if (patternCharPtr == NULL) { + status = U_INVALID_FORMAT_ERROR; + return; + } + patternCharIndex = (UDateFormatField)(patternCharPtr - DateFormatSymbols::getPatternUChars()); + + // Set the number formatter in the table + fNumberFormatters[patternCharIndex] = nf; + } + + start = delimiterPosition + 1; + } +} +//--------------------------------------------------------------------- +void +SimpleDateFormat::subFormat(UnicodeString &appendTo, + UChar ch, + int32_t count, + 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") + + UChar *patternCharPtr = u_strchr(DateFormatSymbols::getPatternUChars(), ch); + UDateFormatField patternCharIndex; + const int32_t maxIntCount = 10; + int32_t beginOffset = appendTo.length(); + NumberFormat *currentNumberFormat; + + UBool isHebrewCalendar = !strcmp(cal.getType(),"hebrew"); + + // if the pattern character is unrecognized, signal an error and dump out + if (patternCharPtr == NULL) + { + status = U_INVALID_FORMAT_ERROR; + return; + } + + patternCharIndex = (UDateFormatField)(patternCharPtr - DateFormatSymbols::getPatternUChars()); + UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; + int32_t value = cal.get(field, status); + if (U_FAILURE(status)) { + return; + } + + currentNumberFormat = getNumberFormatByIndex(patternCharIndex); + 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 (count == 5) + _appendSymbol(appendTo, value, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount); + else if (count == 4) + _appendSymbol(appendTo, value, fSymbols->fEraNames, fSymbols->fEraNamesCount); + else + _appendSymbol(appendTo, value, fSymbols->fEras, fSymbols->fErasCount); + break; + + // 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(count == 2) + zeroPaddingNumber(currentNumberFormat, appendTo, value, 2, 2); + else + zeroPaddingNumber(currentNumberFormat, appendTo, value, count, maxIntCount); + break; + + // for "MMMM", write out the whole month name, for "MMM", write out the month + // abbreviation, for "M" or "MM", write out the month as a number with the + // appropriate number of digits + // for "MMMMM", use the narrow form + case UDAT_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. + } + if (count == 5) + _appendSymbol(appendTo, value, fSymbols->fNarrowMonths, + fSymbols->fNarrowMonthsCount); + else if (count == 4) + _appendSymbol(appendTo, value, fSymbols->fMonths, + fSymbols->fMonthsCount); + else if (count == 3) + _appendSymbol(appendTo, value, fSymbols->fShortMonths, + fSymbols->fShortMonthsCount); + else + zeroPaddingNumber(currentNumberFormat,appendTo, value + 1, count, maxIntCount); + break; + + // for "LLLL", write out the whole month name, for "LLL", write out the month + // abbreviation, for "L" or "LL", write out the month as a number with the + // appropriate number of digits + // for "LLLLL", use the narrow form + case UDAT_STANDALONE_MONTH_FIELD: + if (count == 5) + _appendSymbol(appendTo, value, fSymbols->fStandaloneNarrowMonths, + fSymbols->fStandaloneNarrowMonthsCount); + else if (count == 4) + _appendSymbol(appendTo, value, fSymbols->fStandaloneMonths, + fSymbols->fStandaloneMonthsCount); + else if (count == 3) + _appendSymbol(appendTo, value, fSymbols->fStandaloneShortMonths, + fSymbols->fStandaloneShortMonthsCount); + else + zeroPaddingNumber(currentNumberFormat,appendTo, value + 1, count, maxIntCount); + 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); + else if (count == 4) + _appendSymbol(appendTo, value, fSymbols->fWeekdays, + fSymbols->fWeekdaysCount); + else + _appendSymbol(appendTo, value, fSymbols->fShortWeekdays, + fSymbols->fShortWeekdaysCount); + 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); + else if (count == 4) + _appendSymbol(appendTo, value, fSymbols->fStandaloneWeekdays, + fSymbols->fStandaloneWeekdaysCount); + else // count == 3 + _appendSymbol(appendTo, value, fSymbols->fStandaloneShortWeekdays, + fSymbols->fStandaloneShortWeekdaysCount); + 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: + { + UnicodeString zoneString; + const TimeZone& tz = cal.getTimeZone(); + UDate date = cal.getTime(status); + if (U_SUCCESS(status)) { + if (patternCharIndex == UDAT_TIMEZONE_FIELD) { + if (count < 4) { + // "z", "zz", "zzz" + tzFormat()->format(UTZFMT_STYLE_SPECIFIC_SHORT_COMMONLY_USED, tz, date, zoneString); + } else { + // "zzzz" + tzFormat()->format(UTZFMT_STYLE_SPECIFIC_LONG, tz, date, zoneString); + } + } else if (patternCharIndex == UDAT_TIMEZONE_GENERIC_FIELD) { + if (count == 1) { + // "v" + tzFormat()->format(UTZFMT_STYLE_GENERIC_SHORT, tz, date, zoneString); + } else if (count == 4) { + // "vvvv" + tzFormat()->format(UTZFMT_STYLE_GENERIC_LONG, tz, date, zoneString); + } + } else { // patternCharIndex == UDAT_TIMEZONE_SPECIAL_FIELD + if (count == 1) { + // "V" + tzFormat()->format(UTZFMT_STYLE_SPECIFIC_SHORT, tz, date, zoneString); + } else if (count == 4) { + // "VVVV" + tzFormat()->format(UTZFMT_STYLE_LOCATION, tz, date, zoneString); + } + } + } + if (zoneString.isEmpty()) { + appendGMT(currentNumberFormat,appendTo, cal, status); + } else { + appendTo += zoneString; + } + } + break; + + case UDAT_TIMEZONE_RFC_FIELD: // 'Z' - TIMEZONE_RFC + if (count < 4) { + // RFC822 format, must use ASCII digits + value = (cal.get(UCAL_ZONE_OFFSET, status) + cal.get(UCAL_DST_OFFSET, status)); + formatRFC822TZ(appendTo, value); + } else { + // long form, localized GMT pattern + appendGMT(currentNumberFormat,appendTo, cal, status); + } + 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; + } + + 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 + } +} + +//---------------------------------------------------------------------- + +/** + * Format characters that indicate numeric fields. The character + * at index 0 is treated specially. + */ +static const UChar NUMERIC_FORMAT_CHARS[] = {0x4D, 0x59, 0x79, 0x75, 0x64, 0x65, 0x68, 0x48, 0x6D, 0x73, 0x53, 0x44, 0x46, 0x77, 0x57, 0x6B, 0x4B, 0x00}; /* "MYyudehHmsSDFwWkK" */ + +/** + * Return true if the given format character, occuring count + * times, represents a numeric field. + */ +UBool SimpleDateFormat::isNumeric(UChar formatChar, int32_t count) { + UnicodeString s(NUMERIC_FORMAT_CHARS); + int32_t i = s.indexOf(formatChar); + return (i > 0 || (i == 0 && count < 3)); +} + +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 = TZTYPE_UNK; + + // 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; + + const UnicodeString numericFormatChars(NUMERIC_FORMAT_CHARS); + + TimeZone *backupTZ = 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. + fCalendar->setTime(cal.getTime(status),status); + if (U_FAILURE(status)) { + goto ExitParse; + } + backupTZ = fCalendar->getTimeZone().clone(); + fCalendar->setTimeZone(cal.getTimeZone()); + workCal = fCalendar; + } + + 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. For + // most fields we can just look at the next characters, + // but the 'm' field is either numeric or text, + // depending on the count, so we have to look ahead for + // that field. + if ((i+1)<fPattern.length()) { + UBool abutting; + UChar nextCh = fPattern.charAt(i+1); + int32_t k = numericFormatChars.indexOf(nextCh); + if (k == 0) { + int32_t j = i+2; + while (j<fPattern.length() && + fPattern.charAt(j) == nextCh) { + ++j; + } + abutting = (j-i) < 4; // nextCount < 3 + } else { + abutting = k > 0; + } + + // Record the start of a set of abutting numeric + // fields. + if (abutting) { + 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); + + // 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 { + int32_t s = subParse(text, pos, ch, count, + FALSE, TRUE, ambiguousYear, saveHebrewMonth, *workCal, i); + + if (s == -pos-1) { + // era not present, in special cases allow this to continue + s++; + + 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; + } + } + } + + // 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 != TZTYPE_UNK) // 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 != TZTYPE_UNK) { + 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 == TZTYPE_STD) { + 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 == TZTYPE_STD) { + 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); + } + + // Restore the original time zone if required + if (backupTZ != NULL) { + fCalendar->adoptTimeZone(backupTZ); + } + + // 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); +} +//---------------------------------------------------------------------- + +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; + + // {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 lcase, 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). + + lcase.fastCopyFrom(data[i]).foldCase(); + int32_t length = lcase.length(); + + if (length > bestMatchLength && + lcaseText.compareBetween(0, length, lcase, 0, length) == 0) + { + bestMatch = i; + bestMatchLength = length; + } + } + 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). + lcase.fastCopyFrom(data[bestMatch]).foldCase(); + + // 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 = data[bestMatch].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 (lcase == 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(); p += 1, t += 1) { + 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) { + break; + } + + return FALSE; + } + } + + // 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; + UChar *patternCharPtr = u_strchr(DateFormatSymbols::getPatternUChars(), pattern.charAt(i)); + + if (patternCharPtr != NULL) { + UDateFormatField patternCharIndex = (UDateFormatField) (patternCharPtr - DateFormatSymbols::getPatternUChars()); + + 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, + 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; + + // {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 lcase, 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). + + lcase.fastCopyFrom(data[i]).foldCase(); + int32_t length = lcase.length(); + + if (length > bestMatchLength && + lcaseText.compareBetween(0, length, lcase, 0, length) == 0) + { + bestMatch = i; + bestMatchLength = length; + } + } + 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 { + cal.set(field, bestMatch); + } + + // 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). + lcase.fastCopyFrom(data[bestMatch]).foldCase(); + + // 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 = data[bestMatch].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 (lcase == lcaseText) { + return start + j; + } + } + } + + return -start; +} + +//---------------------------------------------------------------------- + +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) const +{ + Formattable number; + int32_t value = 0; + int32_t i; + int32_t ps = 0; + ParsePosition pos(0); + UDateFormatField patternCharIndex; + NumberFormat *currentNumberFormat; + UnicodeString temp; + UChar *patternCharPtr = u_strchr(DateFormatSymbols::getPatternUChars(), ch); + 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 (patternCharPtr == NULL) { + return -start; + } + + patternCharIndex = (UDateFormatField)(patternCharPtr - DateFormatSymbols::getPatternUChars()); + currentNumberFormat = getNumberFormatByIndex(patternCharIndex); + UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; + + // 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 += UTF_CHAR_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 || + patternCharIndex == UDAT_HOUR_OF_DAY0_FIELD || + patternCharIndex == UDAT_HOUR1_FIELD || + patternCharIndex == UDAT_HOUR0_FIELD || + patternCharIndex == UDAT_DOW_LOCAL_FIELD || + patternCharIndex == UDAT_STANDALONE_DAY_FIELD || + patternCharIndex == UDAT_MONTH_FIELD || + patternCharIndex == UDAT_STANDALONE_MONTH_FIELD || + patternCharIndex == UDAT_QUARTER_FIELD || + patternCharIndex == UDAT_STANDALONE_QUARTER_FIELD || + patternCharIndex == UDAT_YEAR_FIELD || + patternCharIndex == UDAT_YEAR_WOY_FIELD || + patternCharIndex == UDAT_FRACTIONAL_SECOND_FIELD) + { + 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; + + 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); + } + + // 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; + + case UDAT_DOW_LOCAL_FIELD: + case UDAT_STANDALONE_DAY_FIELD: + case UDAT_MONTH_FIELD: + case UDAT_STANDALONE_MONTH_FIELD: + case UDAT_QUARTER_FIELD: + case UDAT_STANDALONE_QUARTER_FIELD: + // in strict mode, these can only + // be a number if count <= 2 + if (!lenient && gotNumber && count > 2) { + // We have a string pattern in strict mode + // but the input parsed as a number. Ignore + // the fact that the input parsed as a number + // and try to match it as a string. (Some + // locales have numbers for the month names.) + gotNumber = FALSE; + pos.setIndex(start); + } + + break; + + default: + // we check the rest of the fields below. + break; + } + + switch (patternCharIndex) { + case UDAT_ERA_FIELD: + if (count == 5) { + ps = matchString(text, start, UCAL_ERA, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount, cal); + } else if (count == 4) { + ps = matchString(text, start, UCAL_ERA, fSymbols->fEraNames, fSymbols->fEraNamesCount, cal); + } else { + ps = matchString(text, start, UCAL_ERA, fSymbols->fEras, fSymbols->fErasCount, 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 ((pos.getIndex() - start) == 2 + && 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 ((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_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 or MM. + // [We computed 'value' above.] + cal.set(UCAL_MONTH, value - 1); + } + return pos.getIndex(); + } else { + // count >= 3 // i.e., MMM or MMMM + // Want to be able to parse both short and long forms. + // Try count == 4 first: + int32_t newStart = 0; + + if ((newStart = matchString(text, start, UCAL_MONTH, + fSymbols->fMonths, fSymbols->fMonthsCount, cal)) > 0) + return newStart; + else // count == 4 failed, now try count == 3 + return matchString(text, start, UCAL_MONTH, + fSymbols->fShortMonths, fSymbols->fShortMonthsCount, cal); + } + + case UDAT_STANDALONE_MONTH_FIELD: + if (gotNumber) // i.e., L or LL. + { + // Don't want to parse the month if it is a string + // while pattern uses numeric style: M or MM. + // [We computed 'value' above.] + cal.set(UCAL_MONTH, value - 1); + return pos.getIndex(); + } else { + // count >= 3 // i.e., LLL or LLLL + // Want to be able to parse both short and long forms. + // Try count == 4 first: + int32_t newStart = 0; + + if ((newStart = matchString(text, start, UCAL_MONTH, + fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, cal)) > 0) + return newStart; + else // count == 4 failed, now try count == 3 + return matchString(text, start, UCAL_MONTH, + fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, cal); + } + + 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, cal)) > 0) + return newStart; + // EEEE failed, now try EEE + else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, + fSymbols->fShortWeekdays, fSymbols->fShortWeekdaysCount, cal)) > 0) + return newStart; + // EEE failed, now try EEEEE + else + return matchString(text, start, UCAL_DAY_OF_WEEK, + fSymbols->fNarrowWeekdays, fSymbols->fNarrowWeekdaysCount, cal); + } + + 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, cal)) > 0) + return newStart; + else // cccc failed, now try ccc + return matchString(text, start, UCAL_DAY_OF_WEEK, + fSymbols->fStandaloneShortWeekdays, fSymbols->fStandaloneShortWeekdaysCount, cal); + } + + case UDAT_AM_PM_FIELD: + return matchString(text, start, UCAL_AM_PM, fSymbols->fAmPms, fSymbols->fAmPmsCount, 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 // count == 4 failed, now try count == 3 + return matchQuarterString(text, start, UCAL_MONTH, + fSymbols->fShortQuarters, fSymbols->fShortQuartersCount, cal); + } + + 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 // count == 4 failed, now try count == 3 + return matchQuarterString(text, start, UCAL_MONTH, + fSymbols->fStandaloneShortQuarters, fSymbols->fStandaloneShortQuartersCount, cal); + } + + case UDAT_TIMEZONE_FIELD: + case UDAT_TIMEZONE_RFC_FIELD: + case UDAT_TIMEZONE_GENERIC_FIELD: + case UDAT_TIMEZONE_SPECIAL_FIELD: + { + int32_t offset = 0; + UBool parsed = FALSE; + + // Step 1 + // Check if this is a long GMT offset string (either localized or default) + offset = parseGMT(text, pos); + if (pos.getIndex() - start > 0) { + parsed = TRUE; + } + if (!parsed) { + // Step 2 + // Check if this is an RFC822 time zone offset. + // ICU supports the standard RFC822 format [+|-]HHmm + // and its extended form [+|-]HHmmSS. + do { + int32_t sign = 0; + UChar signChar = text.charAt(start); + if (signChar == (UChar)0x002B /* '+' */) { + sign = 1; + } else if (signChar == (UChar)0x002D /* '-' */) { + sign = -1; + } else { + // Not an RFC822 offset string + break; + } + + // Parse digits + int32_t orgPos = start + 1; + pos.setIndex(orgPos); + parseInt(text, number, 6, pos, FALSE,currentNumberFormat); + int32_t numLen = pos.getIndex() - orgPos; + if (numLen <= 0) { + break; + } + + // Followings are possible format (excluding sign char) + // HHmmSS + // HmmSS + // HHmm + // Hmm + // HH + // H + int32_t val = number.getLong(); + int32_t hour = 0, min = 0, sec = 0; + switch(numLen) { + case 1: // H + case 2: // HH + hour = val; + break; + case 3: // Hmm + case 4: // HHmm + hour = val / 100; + min = val % 100; + break; + case 5: // Hmmss + case 6: // HHmmss + hour = val / 10000; + min = (val % 10000) / 100; + sec = val % 100; + break; + } + if (hour > 23 || min > 59 || sec > 59) { + // Invalid value range + break; + } + offset = (((hour * 60) + min) * 60 + sec) * 1000 * sign; + parsed = TRUE; + } while (FALSE); + + if (!parsed) { + // Failed to parse. Reset the position. + pos.setIndex(start); + } + } + + if (parsed) { + // offset was successfully parsed as either a long GMT string or RFC822 zone offset + // string. Create normalized zone ID for the offset. + + UnicodeString tzID(gGmt); + formatRFC822TZ(tzID, offset); + //TimeZone *customTZ = TimeZone::createTimeZone(tzID); + TimeZone *customTZ = new SimpleTimeZone(offset, tzID); // faster than TimeZone::createTimeZone + cal.adoptTimeZone(customTZ); + + return pos.getIndex(); + } + + // Step 3 + // Is this standalone Localized GMT zero or GMT/UT/UTC? + int32_t gmtLen = 0; + if (text.compare(start, fSymbols->fGmtZero.length(), fSymbols->fGmtZero) == 0) { + gmtLen = fSymbols->fGmtZero.length(); + } else if (text.compare(start, kGmtLen, gGmt) == 0) { + gmtLen = kGmtLen; + } else if (text.compare(start, kUtcLen, gUtc) == 0) { + gmtLen = kUtcLen; + } else if (text.compare(start, kUtLen, gUt) == 0) { + gmtLen = kUtLen; + } + // If we parse the string to the end, we can exit here. + // If any characters follow, we still need to proceed to the + // next step. Otherwise, all time zone names starting with GMT/UT/UTC + // (for example, "UTT") will fail. + if (gmtLen > 0 && ((text.length() - start) == gmtLen)) { + TimeZone *tz = TimeZone::createTimeZone(UNICODE_STRING("Etc/GMT", 7)); + cal.adoptTimeZone(tz); + return start + gmtLen; + } + + // Step 4 + // At this point, check for named time zones by looking through + // the locale data. + if (patternCharIndex != UDAT_TIMEZONE_RFC_FIELD) { + UTimeZoneTimeType parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN; + ParsePosition tmpPos(start); + UnicodeString parsedID; + + switch (patternCharIndex) { + case UDAT_TIMEZONE_FIELD: + if (count < 4) { + tzFormat()->parse(UTZFMT_STYLE_SPECIFIC_SHORT_COMMONLY_USED, text, tmpPos, parsedID, &parsedTimeType); + } else { + tzFormat()->parse(UTZFMT_STYLE_SPECIFIC_LONG, text, tmpPos, parsedID, &parsedTimeType); + } + break; + case UDAT_TIMEZONE_GENERIC_FIELD: + if (count < 4) { + tzFormat()->parse(UTZFMT_STYLE_GENERIC_SHORT, text, tmpPos, parsedID, &parsedTimeType); + } else { + tzFormat()->parse(UTZFMT_STYLE_GENERIC_LONG, text, tmpPos, parsedID, &parsedTimeType); + } + break; + case UDAT_TIMEZONE_SPECIAL_FIELD: + if (count < 4) { + tzFormat()->parse(UTZFMT_STYLE_SPECIFIC_SHORT, text, tmpPos, parsedID, &parsedTimeType); + } else { + tzFormat()->parse(UTZFMT_STYLE_LOCATION, text, tmpPos, parsedID, &parsedTimeType); + } + break; + default: + break; + } + if (tmpPos.getErrorIndex() < 0) { + if (parsedTimeType == UTZFMT_TIME_TYPE_STANDARD) { + ((SimpleDateFormat*)this)->tztype = TZTYPE_STD; + } else if (parsedTimeType == UTZFMT_TIME_TYPE_DAYLIGHT) { + ((SimpleDateFormat*)this)->tztype = TZTYPE_DST; + } + + UnicodeString current; + cal.getTimeZone().getID(current); + if (parsedID != current) { + TimeZone *tz = TimeZone::createTimeZone(parsedID); + cal.adoptTimeZone(tz); + } + return tmpPos.getIndex(); + } + } + // Step 5 + // If we saw standalone GMT zero pattern, then use GMT. + if (gmtLen > 0) { + TimeZone *tz = TimeZone::createTimeZone(UNICODE_STRING("Etc/GMT", 7)); + cal.adoptTimeZone(tz); + return start + gmtLen; + } + + // complete failure + return -start; + } + + default: + // Handle "generic" fields + 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(); + + // Check the range of the value + int32_t bias = gFieldRangeBias[patternCharIndex]; + + if (bias < 0 || (value >= cal.getMinimum(field) + bias && value <= cal.getMaximum(field) + bias)) { + cal.set(field, value); + 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); +} + + +//---------------------------------------------------------------------- + + +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) +} + + +//---------------------------------------------------------------------- + + +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); + U_ASSERT(U_SUCCESS(status)); + + const_cast<SimpleDateFormat *>(this)->fTimeZoneFormat = tzfmt; + } + } + umtx_unlock(&LOCK); + } + return fTimeZoneFormat; +} +U_NAMESPACE_END + +#endif /* #if !UCONFIG_NO_FORMATTING */ + +//eof |