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Unified Diff: icu46/source/i18n/smpdtfmt.cpp

Issue 5516007: Check in the pristine copy of ICU 4.6... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 10 years ago
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Index: icu46/source/i18n/smpdtfmt.cpp
===================================================================
--- icu46/source/i18n/smpdtfmt.cpp (revision 0)
+++ icu46/source/i18n/smpdtfmt.cpp (revision 0)
@@ -0,0 +1,3295 @@
+/*
+*******************************************************************************
+* Copyright (C) 1997-2010, 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/ustring.h"
+#include "unicode/basictz.h"
+#include "unicode/simpletz.h"
+#include "unicode/rbtz.h"
+#include "unicode/vtzone.h"
+#include "olsontz.h"
+#include "util.h"
+#include "fphdlimp.h"
+#include "gregoimp.h"
+#include "hebrwcal.h"
+#include "cstring.h"
+#include "uassert.h"
+#include "zstrfmt.h"
+#include "cmemory.h"
+#include "umutex.h"
+#include <float.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
+
+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);
+ }
+
+ while (fOverrideList) {
+ NSOverride *cur = fOverrideList;
+ fOverrideList = cur->next;
+ delete cur->nf;
+ uprv_free(cur);
+ }
+}
+
+//----------------------------------------------------------------------
+
+SimpleDateFormat::SimpleDateFormat(UErrorCode& status)
+ : fLocale(Locale::getDefault()),
+ fSymbols(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),
+ 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),
+ 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),
+ 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),
+ 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),
+ 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)),
+ 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),
+ 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),
+ 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),
+ 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;
+
+ 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"
+
+ 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 (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(&param, 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 += gGmtMinus;
+ offset = -offset; // suppress the '-' sign for text display.
+ }else{
+ appendTo += gGmtPlus;
+ }
+
+ 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);
+ 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 ZoneStringFormat *zsf = fSymbols->getZoneStringFormat();
+ if (zsf) {
+ if (patternCharIndex == UDAT_TIMEZONE_FIELD) {
+ if (count < 4) {
+ // "z", "zz", "zzz"
+ zsf->getSpecificShortString(cal, TRUE /*commonly used only*/,
+ zoneString, status);
+ } else {
+ // "zzzz"
+ zsf->getSpecificLongString(cal, zoneString, status);
+ }
+ } else if (patternCharIndex == UDAT_TIMEZONE_GENERIC_FIELD) {
+ if (count == 1) {
+ // "v"
+ zsf->getGenericShortString(cal, TRUE /*commonly used only*/,
+ zoneString, status);
+ } else if (count == 4) {
+ // "vvvv"
+ zsf->getGenericLongString(cal, zoneString, status);
+ }
+ } else { // patternCharIndex == UDAT_TIMEZONE_SPECIAL_FIELD
+ if (count == 1) {
+ // "V"
+ zsf->getSpecificShortString(cal, FALSE /*ignore commonly used*/,
+ zoneString, status);
+ } else if (count == 4) {
+ // "VVVV"
+ zsf->getGenericLocationString(cal, zoneString, status);
+ }
+ }
+ }
+ 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;
+
+ // 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 (uprv_isRuleWhiteSpace(ch)) {
+ i++;
+ // Advance over run in pattern
+ while ((i+1)<fPattern.length() &&
+ uprv_isRuleWhiteSpace(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
+
+ // Handle quotes. Two consecutive quotes is a quote
+ // literal, inside or outside of quotes. Otherwise a
+ // quote indicates entry or exit from a quoted region.
+ if (ch == QUOTE) {
+ // Match a quote literal '' within OR outside of quotes
+ if ((i+1)<fPattern.length() && fPattern.charAt(i+1)==ch) {
+ ++i; // Skip over doubled quote
+ // Fall through and treat quote as a literal
+ } else {
+ // Enter or exit quoted region
+ inQuote = !inQuote;
+ continue;
+ }
+ }
+
+ // A run of white space in the pattern matches a run
+ // of white space in the input text.
+ if (uprv_isRuleWhiteSpace(ch)) {
+ // Advance over run in pattern
+ while ((i+1)<fPattern.length() &&
+ uprv_isRuleWhiteSpace(fPattern.charAt(i+1))) {
+ ++i;
+ }
+
+ // Advance over run in input text
+ int32_t s = pos;
+ while (pos<text.length() &&
+ ( u_isUWhiteSpace(text.charAt(pos)) || uprv_isRuleWhiteSpace(text.charAt(pos)))) {
+ ++pos;
+ }
+
+ // Must see at least one white space char in input
+ if (pos > s) {
+ continue;
+ }
+
+
+ } else if (pos<text.length() && text.charAt(pos)==ch) {
+ // Match a literal
+ ++pos;
+ continue;
+ }
+
+ // We fall through to this point if the match fails
+ 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;
+}
+
+//----------------------------------------------------------------------
+
+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);
+
+#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) || !uprv_isRuleWhiteSpace(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_HOUR1_FIELD ||
+ (patternCharIndex == UDAT_DOW_LOCAL_FIELD && count <= 2) ||
+ (patternCharIndex == UDAT_STANDALONE_DAY_FIELD && count <= 2) ||
+ (patternCharIndex == UDAT_MONTH_FIELD && count <= 2) ||
+ (patternCharIndex == UDAT_STANDALONE_MONTH_FIELD && count <= 2) ||
+ (patternCharIndex == UDAT_QUARTER_FIELD && count <= 2) ||
+ (patternCharIndex == UDAT_STANDALONE_QUARTER_FIELD && count <= 2) ||
+ 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);
+
+ if (pos.getIndex() == parseStart)
+ return -start;
+ value = number.getLong();
+
+ // suffix processing
+ int32_t txtLoc = pos.getIndex();
+ if (value <0 ) {
+ txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, TRUE);
+ if (txtLoc != pos.getIndex()) {
+ value *= -1;
+ }
+ }
+ else {
+ txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, FALSE);
+ }
+ pos.setIndex(txtLoc);
+
+ }
+
+ switch (patternCharIndex) {
+ case UDAT_ERA_FIELD:
+ if (count == 5) {
+ ps = matchString(text, start, UCAL_ERA, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount, cal);
+ }
+ 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 (count <= 2 && (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 (count <= 2 && (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 (count <= 2) // 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 (count <= 2) // 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;
+ 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 (count <= 2) // 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 (count <= 2) // 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;
+ cal.set(UCAL_HOUR, value);
+ return pos.getIndex();
+
+ case UDAT_QUARTER_FIELD:
+ if (count <= 2) // 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 (count <= 2) // 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
+ // At this point, check for named time zones by looking through
+ // the locale data from the DateFormatZoneData strings.
+ // Want to be able to parse both short and long forms.
+ // optimize for calendar's current time zone
+ const ZoneStringFormat *zsf = fSymbols->getZoneStringFormat();
+ if (zsf) {
+ UErrorCode status = U_ZERO_ERROR;
+ const ZoneStringInfo *zsinfo = NULL;
+ int32_t matchLen;
+
+ switch (patternCharIndex) {
+ case UDAT_TIMEZONE_FIELD: // 'z'
+ if (count < 4) {
+ zsinfo = zsf->findSpecificShort(text, start, matchLen, status);
+ } else {
+ zsinfo = zsf->findSpecificLong(text, start, matchLen, status);
+ }
+ break;
+ case UDAT_TIMEZONE_GENERIC_FIELD: // 'v'
+ if (count == 1) {
+ zsinfo = zsf->findGenericShort(text, start, matchLen, status);
+ } else if (count == 4) {
+ zsinfo = zsf->findGenericLong(text, start, matchLen, status);
+ }
+ break;
+ case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V'
+ if (count == 1) {
+ zsinfo = zsf->findSpecificShort(text, start, matchLen, status);
+ } else if (count == 4) {
+ zsinfo = zsf->findGenericLocation(text, start, matchLen, status);
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (U_SUCCESS(status) && zsinfo != NULL) {
+ if (zsinfo->isStandard()) {
+ ((SimpleDateFormat*)this)->tztype = TZTYPE_STD;
+ } else if (zsinfo->isDaylight()) {
+ ((SimpleDateFormat*)this)->tztype = TZTYPE_DST;
+ }
+ UnicodeString tzid;
+ zsinfo->getID(tzid);
+
+ UnicodeString current;
+ cal.getTimeZone().getID(current);
+ if (tzid != current) {
+ TimeZone *tz = TimeZone::createTimeZone(tzid);
+ cal.adoptTimeZone(tz);
+ }
+ return start + matchLen;
+ }
+ }
+ // Step 4
+ // Final attempt - is this standalone GMT/UT/UTC?
+ int32_t gmtLen = 0;
+ 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 (gmtLen > 0) {
+ TimeZone *tz = TimeZone::createTimeZone(UnicodeString("Etc/GMT"));
+ 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) {
+ cal.set(field, number.getLong());
+ 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(SUPPRESS_NEGATIVE_PREFIX);
+ }
+ 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, 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, 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 (uprv_isRuleWhiteSpace(c)) {
+ // We may have a pattern like: \u200F \u0020
+ // and input text like: \u200F \u0020
+ // Note that U+200F and U+0020 are RuleWhiteSpace but only
+ // U+0020 is UWhiteSpace. So we have to first do a direct
+ // match of the run of RULE whitespace 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 (!uprv_isRuleWhiteSpace(c)) {
+ break;
+ }
+ }
+
+ // Advance over run in pattern
+ i = skipRuleWhiteSpace(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::skipRuleWhiteSpace(const UnicodeString& text, int32_t pos) const {
+ while (pos < text.length()) {
+ UChar32 c = text.char32At(pos);
+ if (!uprv_isRuleWhiteSpace(c)) {
+ break;
+ }
+ pos += U16_LENGTH(c);
+ }
+ return pos;
+}
+
+//----------------------------------------------------------------------
+
+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;
+}
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_FORMATTING */
+
+//eof
Property changes on: icu46/source/i18n/smpdtfmt.cpp
___________________________________________________________________
Added: svn:eol-style
+ LF
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