1 /* 2 ******************************************************************************* 3 * Copyright (C) 1997-2013, International Business Machines Corporation and * 4 * others. All Rights Reserved. * 5 ******************************************************************************* 6 * 7 * File SMPDTFMT.CPP 8 * 9 * Modification History: 10 * 11 * Date Name Description 12 * 02/19/97 aliu Converted from java. 13 * 03/31/97 aliu Modified extensively to work with 50 locales. 14 * 04/01/97 aliu Added support for centuries. 15 * 07/09/97 helena Made ParsePosition into a class. 16 * 07/21/98 stephen Added initializeDefaultCentury. 17 * Removed getZoneIndex (added in DateFormatSymbols) 18 * Removed subParseLong 19 * Removed chk 20 * 02/22/99 stephen Removed character literals for EBCDIC safety 21 * 10/14/99 aliu Updated 2-digit year parsing so that only "00" thru 22 * "99" are recognized. {j28 4182066} 23 * 11/15/99 weiv Added support for week of year/day of week format 24 ******************************************************************************** 25 */ 26 27 #define ZID_KEY_MAX 128 28 29 #include "unicode/utypes.h" 30 31 #if !UCONFIG_NO_FORMATTING 32 33 #include "unicode/smpdtfmt.h" 34 #include "unicode/dtfmtsym.h" 35 #include "unicode/ures.h" 36 #include "unicode/msgfmt.h" 37 #include "unicode/calendar.h" 38 #include "unicode/gregocal.h" 39 #include "unicode/timezone.h" 40 #include "unicode/decimfmt.h" 41 #include "unicode/dcfmtsym.h" 42 #include "unicode/uchar.h" 43 #include "unicode/uniset.h" 44 #include "unicode/ustring.h" 45 #include "unicode/basictz.h" 46 #include "unicode/simpletz.h" 47 #include "unicode/rbtz.h" 48 #include "unicode/tzfmt.h" 49 #include "unicode/utf16.h" 50 #include "unicode/vtzone.h" 51 #include "unicode/udisplaycontext.h" 52 #include "olsontz.h" 53 #include "patternprops.h" 54 #include "fphdlimp.h" 55 #include "gregoimp.h" 56 #include "hebrwcal.h" 57 #include "cstring.h" 58 #include "uassert.h" 59 #include "cmemory.h" 60 #include "umutex.h" 61 #include <float.h> 62 #include "smpdtfst.h" 63 64 #if defined( U_DEBUG_CALSVC ) || defined (U_DEBUG_CAL) 65 #include <stdio.h> 66 #endif 67 68 // ***************************************************************************** 69 // class SimpleDateFormat 70 // ***************************************************************************** 71 72 U_NAMESPACE_BEGIN 73 74 static const UChar PATTERN_CHAR_BASE = 0x40; 75 76 /** 77 * Last-resort string to use for "GMT" when constructing time zone strings. 78 */ 79 // For time zones that have no names, use strings GMT+minutes and 80 // GMT-minutes. For instance, in France the time zone is GMT+60. 81 // Also accepted are GMT+H:MM or GMT-H:MM. 82 // Currently not being used 83 //static const UChar gGmt[] = {0x0047, 0x004D, 0x0054, 0x0000}; // "GMT" 84 //static const UChar gGmtPlus[] = {0x0047, 0x004D, 0x0054, 0x002B, 0x0000}; // "GMT+" 85 //static const UChar gGmtMinus[] = {0x0047, 0x004D, 0x0054, 0x002D, 0x0000}; // "GMT-" 86 //static const UChar gDefGmtPat[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0x0000}; /* GMT{0} */ 87 //static const UChar gDefGmtNegHmsPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* -HH:mm:ss */ 88 //static const UChar gDefGmtNegHmPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* -HH:mm */ 89 //static const UChar gDefGmtPosHmsPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* +HH:mm:ss */ 90 //static const UChar gDefGmtPosHmPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* +HH:mm */ 91 //static const UChar gUt[] = {0x0055, 0x0054, 0x0000}; // "UT" 92 //static const UChar gUtc[] = {0x0055, 0x0054, 0x0043, 0x0000}; // "UT" 93 94 typedef enum GmtPatSize { 95 kGmtLen = 3, 96 kGmtPatLen = 6, 97 kNegHmsLen = 9, 98 kNegHmLen = 6, 99 kPosHmsLen = 9, 100 kPosHmLen = 6, 101 kUtLen = 2, 102 kUtcLen = 3 103 } GmtPatSize; 104 105 // Stuff needed for numbering system overrides 106 107 typedef enum OvrStrType { 108 kOvrStrDate = 0, 109 kOvrStrTime = 1, 110 kOvrStrBoth = 2 111 } OvrStrType; 112 113 static const UDateFormatField kDateFields[] = { 114 UDAT_YEAR_FIELD, 115 UDAT_MONTH_FIELD, 116 UDAT_DATE_FIELD, 117 UDAT_DAY_OF_YEAR_FIELD, 118 UDAT_DAY_OF_WEEK_IN_MONTH_FIELD, 119 UDAT_WEEK_OF_YEAR_FIELD, 120 UDAT_WEEK_OF_MONTH_FIELD, 121 UDAT_YEAR_WOY_FIELD, 122 UDAT_EXTENDED_YEAR_FIELD, 123 UDAT_JULIAN_DAY_FIELD, 124 UDAT_STANDALONE_DAY_FIELD, 125 UDAT_STANDALONE_MONTH_FIELD, 126 UDAT_QUARTER_FIELD, 127 UDAT_STANDALONE_QUARTER_FIELD, 128 UDAT_YEAR_NAME_FIELD }; 129 static const int8_t kDateFieldsCount = 15; 130 131 static const UDateFormatField kTimeFields[] = { 132 UDAT_HOUR_OF_DAY1_FIELD, 133 UDAT_HOUR_OF_DAY0_FIELD, 134 UDAT_MINUTE_FIELD, 135 UDAT_SECOND_FIELD, 136 UDAT_FRACTIONAL_SECOND_FIELD, 137 UDAT_HOUR1_FIELD, 138 UDAT_HOUR0_FIELD, 139 UDAT_MILLISECONDS_IN_DAY_FIELD, 140 UDAT_TIMEZONE_RFC_FIELD, 141 UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD }; 142 static const int8_t kTimeFieldsCount = 10; 143 144 145 // This is a pattern-of-last-resort used when we can't load a usable pattern out 146 // of a resource. 147 static const UChar gDefaultPattern[] = 148 { 149 0x79, 0x79, 0x79, 0x79, 0x4D, 0x4D, 0x64, 0x64, 0x20, 0x68, 0x68, 0x3A, 0x6D, 0x6D, 0x20, 0x61, 0 150 }; /* "yyyyMMdd hh:mm a" */ 151 152 // This prefix is designed to NEVER MATCH real text, in order to 153 // suppress the parsing of negative numbers. Adjust as needed (if 154 // this becomes valid Unicode). 155 static const UChar SUPPRESS_NEGATIVE_PREFIX[] = {0xAB00, 0}; 156 157 /** 158 * These are the tags we expect to see in normal resource bundle files associated 159 * with a locale. 160 */ 161 static const char gDateTimePatternsTag[]="DateTimePatterns"; 162 163 //static const UChar gEtcUTC[] = {0x45, 0x74, 0x63, 0x2F, 0x55, 0x54, 0x43, 0x00}; // "Etc/UTC" 164 static const UChar QUOTE = 0x27; // Single quote 165 166 /* 167 * The field range check bias for each UDateFormatField. 168 * The bias is added to the minimum and maximum values 169 * before they are compared to the parsed number. 170 * For example, the calendar stores zero-based month numbers 171 * but the parsed month numbers start at 1, so the bias is 1. 172 * 173 * A value of -1 means that the value is not checked. 174 */ 175 static const int32_t gFieldRangeBias[] = { 176 -1, // 'G' - UDAT_ERA_FIELD 177 -1, // 'y' - UDAT_YEAR_FIELD 178 1, // 'M' - UDAT_MONTH_FIELD 179 0, // 'd' - UDAT_DATE_FIELD 180 -1, // 'k' - UDAT_HOUR_OF_DAY1_FIELD 181 -1, // 'H' - UDAT_HOUR_OF_DAY0_FIELD 182 0, // 'm' - UDAT_MINUTE_FIELD 183 0, // 's' - UDAT_SEOND_FIELD 184 -1, // 'S' - UDAT_FRACTIONAL_SECOND_FIELD (0-999?) 185 -1, // 'E' - UDAT_DAY_OF_WEEK_FIELD (1-7?) 186 -1, // 'D' - UDAT_DAY_OF_YEAR_FIELD (1 - 366?) 187 -1, // 'F' - UDAT_DAY_OF_WEEK_IN_MONTH_FIELD (1-5?) 188 -1, // 'w' - UDAT_WEEK_OF_YEAR_FIELD (1-52?) 189 -1, // 'W' - UDAT_WEEK_OF_MONTH_FIELD (1-5?) 190 -1, // 'a' - UDAT_AM_PM_FIELD 191 -1, // 'h' - UDAT_HOUR1_FIELD 192 -1, // 'K' - UDAT_HOUR0_FIELD 193 -1, // 'z' - UDAT_TIMEZONE_FIELD 194 -1, // 'Y' - UDAT_YEAR_WOY_FIELD 195 -1, // 'e' - UDAT_DOW_LOCAL_FIELD 196 -1, // 'u' - UDAT_EXTENDED_YEAR_FIELD 197 -1, // 'g' - UDAT_JULIAN_DAY_FIELD 198 -1, // 'A' - UDAT_MILLISECONDS_IN_DAY_FIELD 199 -1, // 'Z' - UDAT_TIMEZONE_RFC_FIELD 200 -1, // 'v' - UDAT_TIMEZONE_GENERIC_FIELD 201 0, // 'c' - UDAT_STANDALONE_DAY_FIELD 202 1, // 'L' - UDAT_STANDALONE_MONTH_FIELD 203 -1, // 'Q' - UDAT_QUARTER_FIELD (1-4?) 204 -1, // 'q' - UDAT_STANDALONE_QUARTER_FIELD 205 -1 // 'V' - UDAT_TIMEZONE_SPECIAL_FIELD 206 -1, // 'U' - UDAT_YEAR_NAME_FIELD 207 -1, // 'O' - UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD 208 -1, // 'X' - UDAT_TIMEZONE_ISO_FIELD 209 -1, // 'x' - UDAT_TIMEZONE_ISO_LOCAL_FIELD 210 }; 211 212 // When calendar uses hebr numbering (i.e. he@calendar=hebrew), 213 // offset the years within the current millenium down to 1-999 214 static const int32_t HEBREW_CAL_CUR_MILLENIUM_START_YEAR = 5000; 215 static const int32_t HEBREW_CAL_CUR_MILLENIUM_END_YEAR = 6000; 216 217 static UMutex LOCK = U_MUTEX_INITIALIZER; 218 219 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleDateFormat) 220 221 //---------------------------------------------------------------------- 222 223 SimpleDateFormat::~SimpleDateFormat() 224 { 225 delete fSymbols; 226 if (fNumberFormatters) { 227 uprv_free(fNumberFormatters); 228 } 229 if (fTimeZoneFormat) { 230 delete fTimeZoneFormat; 231 } 232 233 while (fOverrideList) { 234 NSOverride *cur = fOverrideList; 235 fOverrideList = cur->next; 236 delete cur->nf; 237 uprv_free(cur); 238 } 239 } 240 241 //---------------------------------------------------------------------- 242 243 SimpleDateFormat::SimpleDateFormat(UErrorCode& status) 244 : fLocale(Locale::getDefault()), 245 fSymbols(NULL), 246 fTimeZoneFormat(NULL), 247 fNumberFormatters(NULL), 248 fOverrideList(NULL), 249 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 250 { 251 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 252 construct(kShort, (EStyle) (kShort + kDateOffset), fLocale, status); 253 initializeDefaultCentury(); 254 } 255 256 //---------------------------------------------------------------------- 257 258 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 259 UErrorCode &status) 260 : fPattern(pattern), 261 fLocale(Locale::getDefault()), 262 fSymbols(NULL), 263 fTimeZoneFormat(NULL), 264 fNumberFormatters(NULL), 265 fOverrideList(NULL), 266 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 267 { 268 fDateOverride.setToBogus(); 269 fTimeOverride.setToBogus(); 270 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 271 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); 272 initialize(fLocale, status); 273 initializeDefaultCentury(); 274 275 } 276 //---------------------------------------------------------------------- 277 278 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 279 const UnicodeString& override, 280 UErrorCode &status) 281 : fPattern(pattern), 282 fLocale(Locale::getDefault()), 283 fSymbols(NULL), 284 fTimeZoneFormat(NULL), 285 fNumberFormatters(NULL), 286 fOverrideList(NULL), 287 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 288 { 289 fDateOverride.setTo(override); 290 fTimeOverride.setToBogus(); 291 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 292 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); 293 initialize(fLocale, status); 294 initializeDefaultCentury(); 295 296 processOverrideString(fLocale,override,kOvrStrBoth,status); 297 298 } 299 300 //---------------------------------------------------------------------- 301 302 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 303 const Locale& locale, 304 UErrorCode& status) 305 : fPattern(pattern), 306 fLocale(locale), 307 fTimeZoneFormat(NULL), 308 fNumberFormatters(NULL), 309 fOverrideList(NULL), 310 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 311 { 312 313 fDateOverride.setToBogus(); 314 fTimeOverride.setToBogus(); 315 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 316 317 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); 318 initialize(fLocale, status); 319 initializeDefaultCentury(); 320 } 321 322 //---------------------------------------------------------------------- 323 324 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 325 const UnicodeString& override, 326 const Locale& locale, 327 UErrorCode& status) 328 : fPattern(pattern), 329 fLocale(locale), 330 fTimeZoneFormat(NULL), 331 fNumberFormatters(NULL), 332 fOverrideList(NULL), 333 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 334 { 335 336 fDateOverride.setTo(override); 337 fTimeOverride.setToBogus(); 338 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 339 340 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); 341 initialize(fLocale, status); 342 initializeDefaultCentury(); 343 344 processOverrideString(locale,override,kOvrStrBoth,status); 345 346 } 347 348 //---------------------------------------------------------------------- 349 350 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 351 DateFormatSymbols* symbolsToAdopt, 352 UErrorCode& status) 353 : fPattern(pattern), 354 fLocale(Locale::getDefault()), 355 fSymbols(symbolsToAdopt), 356 fTimeZoneFormat(NULL), 357 fNumberFormatters(NULL), 358 fOverrideList(NULL), 359 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 360 { 361 362 fDateOverride.setToBogus(); 363 fTimeOverride.setToBogus(); 364 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 365 366 initializeCalendar(NULL,fLocale,status); 367 initialize(fLocale, status); 368 initializeDefaultCentury(); 369 } 370 371 //---------------------------------------------------------------------- 372 373 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 374 const DateFormatSymbols& symbols, 375 UErrorCode& status) 376 : fPattern(pattern), 377 fLocale(Locale::getDefault()), 378 fSymbols(new DateFormatSymbols(symbols)), 379 fTimeZoneFormat(NULL), 380 fNumberFormatters(NULL), 381 fOverrideList(NULL), 382 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 383 { 384 385 fDateOverride.setToBogus(); 386 fTimeOverride.setToBogus(); 387 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 388 389 initializeCalendar(NULL, fLocale, status); 390 initialize(fLocale, status); 391 initializeDefaultCentury(); 392 } 393 394 //---------------------------------------------------------------------- 395 396 // Not for public consumption; used by DateFormat 397 SimpleDateFormat::SimpleDateFormat(EStyle timeStyle, 398 EStyle dateStyle, 399 const Locale& locale, 400 UErrorCode& status) 401 : fLocale(locale), 402 fSymbols(NULL), 403 fTimeZoneFormat(NULL), 404 fNumberFormatters(NULL), 405 fOverrideList(NULL), 406 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 407 { 408 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 409 construct(timeStyle, dateStyle, fLocale, status); 410 if(U_SUCCESS(status)) { 411 initializeDefaultCentury(); 412 } 413 } 414 415 //---------------------------------------------------------------------- 416 417 /** 418 * Not for public consumption; used by DateFormat. This constructor 419 * never fails. If the resource data is not available, it uses the 420 * the last resort symbols. 421 */ 422 SimpleDateFormat::SimpleDateFormat(const Locale& locale, 423 UErrorCode& status) 424 : fPattern(gDefaultPattern), 425 fLocale(locale), 426 fSymbols(NULL), 427 fTimeZoneFormat(NULL), 428 fNumberFormatters(NULL), 429 fOverrideList(NULL), 430 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 431 { 432 if (U_FAILURE(status)) return; 433 initializeSymbols(fLocale, initializeCalendar(NULL, fLocale, status),status); 434 if (U_FAILURE(status)) 435 { 436 status = U_ZERO_ERROR; 437 delete fSymbols; 438 // This constructor doesn't fail; it uses last resort data 439 fSymbols = new DateFormatSymbols(status); 440 /* test for NULL */ 441 if (fSymbols == 0) { 442 status = U_MEMORY_ALLOCATION_ERROR; 443 return; 444 } 445 } 446 447 fDateOverride.setToBogus(); 448 fTimeOverride.setToBogus(); 449 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 450 451 initialize(fLocale, status); 452 if(U_SUCCESS(status)) { 453 initializeDefaultCentury(); 454 } 455 } 456 457 //---------------------------------------------------------------------- 458 459 SimpleDateFormat::SimpleDateFormat(const SimpleDateFormat& other) 460 : DateFormat(other), 461 fLocale(other.fLocale), 462 fSymbols(NULL), 463 fTimeZoneFormat(NULL), 464 fNumberFormatters(NULL), 465 fOverrideList(NULL), 466 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 467 { 468 UErrorCode status = U_ZERO_ERROR; 469 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status).setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 470 *this = other; 471 } 472 473 //---------------------------------------------------------------------- 474 475 SimpleDateFormat& SimpleDateFormat::operator=(const SimpleDateFormat& other) 476 { 477 if (this == &other) { 478 return *this; 479 } 480 DateFormat::operator=(other); 481 482 delete fSymbols; 483 fSymbols = NULL; 484 485 if (other.fSymbols) 486 fSymbols = new DateFormatSymbols(*other.fSymbols); 487 488 fDefaultCenturyStart = other.fDefaultCenturyStart; 489 fDefaultCenturyStartYear = other.fDefaultCenturyStartYear; 490 fHaveDefaultCentury = other.fHaveDefaultCentury; 491 492 fPattern = other.fPattern; 493 494 // TimeZoneFormat in ICU4C only depends on a locale for now 495 if (fLocale != other.fLocale) { 496 delete fTimeZoneFormat; 497 fTimeZoneFormat = NULL; // forces lazy instantiation with the other locale 498 fLocale = other.fLocale; 499 } 500 501 fCapitalizationContext = other.fCapitalizationContext; 502 503 return *this; 504 } 505 506 //---------------------------------------------------------------------- 507 508 Format* 509 SimpleDateFormat::clone() const 510 { 511 return new SimpleDateFormat(*this); 512 } 513 514 //---------------------------------------------------------------------- 515 516 UBool 517 SimpleDateFormat::operator==(const Format& other) const 518 { 519 if (DateFormat::operator==(other)) { 520 // DateFormat::operator== guarantees following cast is safe 521 SimpleDateFormat* that = (SimpleDateFormat*)&other; 522 return (fPattern == that->fPattern && 523 fSymbols != NULL && // Check for pathological object 524 that->fSymbols != NULL && // Check for pathological object 525 *fSymbols == *that->fSymbols && 526 fHaveDefaultCentury == that->fHaveDefaultCentury && 527 fDefaultCenturyStart == that->fDefaultCenturyStart && 528 fCapitalizationContext == that->fCapitalizationContext); 529 } 530 return FALSE; 531 } 532 533 //---------------------------------------------------------------------- 534 535 void SimpleDateFormat::construct(EStyle timeStyle, 536 EStyle dateStyle, 537 const Locale& locale, 538 UErrorCode& status) 539 { 540 // called by several constructors to load pattern data from the resources 541 if (U_FAILURE(status)) return; 542 543 // We will need the calendar to know what type of symbols to load. 544 initializeCalendar(NULL, locale, status); 545 if (U_FAILURE(status)) return; 546 547 CalendarData calData(locale, fCalendar?fCalendar->getType():NULL, status); 548 UResourceBundle *dateTimePatterns = calData.getByKey(gDateTimePatternsTag, status); 549 UResourceBundle *currentBundle; 550 551 if (U_FAILURE(status)) return; 552 553 if (ures_getSize(dateTimePatterns) <= kDateTime) 554 { 555 status = U_INVALID_FORMAT_ERROR; 556 return; 557 } 558 559 setLocaleIDs(ures_getLocaleByType(dateTimePatterns, ULOC_VALID_LOCALE, &status), 560 ures_getLocaleByType(dateTimePatterns, ULOC_ACTUAL_LOCALE, &status)); 561 562 // create a symbols object from the locale 563 initializeSymbols(locale,fCalendar, status); 564 if (U_FAILURE(status)) return; 565 /* test for NULL */ 566 if (fSymbols == 0) { 567 status = U_MEMORY_ALLOCATION_ERROR; 568 return; 569 } 570 571 const UChar *resStr,*ovrStr; 572 int32_t resStrLen,ovrStrLen = 0; 573 fDateOverride.setToBogus(); 574 fTimeOverride.setToBogus(); 575 576 // if the pattern should include both date and time information, use the date/time 577 // pattern string as a guide to tell use how to glue together the appropriate date 578 // and time pattern strings. The actual gluing-together is handled by a convenience 579 // method on MessageFormat. 580 if ((timeStyle != kNone) && (dateStyle != kNone)) 581 { 582 Formattable timeDateArray[2]; 583 584 // use Formattable::adoptString() so that we can use fastCopyFrom() 585 // instead of Formattable::setString()'s unaware, safe, deep string clone 586 // see Jitterbug 2296 587 588 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)timeStyle, NULL, &status); 589 if (U_FAILURE(status)) { 590 status = U_INVALID_FORMAT_ERROR; 591 return; 592 } 593 switch (ures_getType(currentBundle)) { 594 case URES_STRING: { 595 resStr = ures_getString(currentBundle, &resStrLen, &status); 596 break; 597 } 598 case URES_ARRAY: { 599 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); 600 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); 601 fTimeOverride.setTo(TRUE, ovrStr, ovrStrLen); 602 break; 603 } 604 default: { 605 status = U_INVALID_FORMAT_ERROR; 606 ures_close(currentBundle); 607 return; 608 } 609 } 610 ures_close(currentBundle); 611 612 UnicodeString *tempus1 = new UnicodeString(TRUE, resStr, resStrLen); 613 // NULL pointer check 614 if (tempus1 == NULL) { 615 status = U_MEMORY_ALLOCATION_ERROR; 616 return; 617 } 618 timeDateArray[0].adoptString(tempus1); 619 620 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)dateStyle, NULL, &status); 621 if (U_FAILURE(status)) { 622 status = U_INVALID_FORMAT_ERROR; 623 return; 624 } 625 switch (ures_getType(currentBundle)) { 626 case URES_STRING: { 627 resStr = ures_getString(currentBundle, &resStrLen, &status); 628 break; 629 } 630 case URES_ARRAY: { 631 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); 632 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); 633 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); 634 break; 635 } 636 default: { 637 status = U_INVALID_FORMAT_ERROR; 638 ures_close(currentBundle); 639 return; 640 } 641 } 642 ures_close(currentBundle); 643 644 UnicodeString *tempus2 = new UnicodeString(TRUE, resStr, resStrLen); 645 // Null pointer check 646 if (tempus2 == NULL) { 647 status = U_MEMORY_ALLOCATION_ERROR; 648 return; 649 } 650 timeDateArray[1].adoptString(tempus2); 651 652 int32_t glueIndex = kDateTime; 653 int32_t patternsSize = ures_getSize(dateTimePatterns); 654 if (patternsSize >= (kDateTimeOffset + kShort + 1)) { 655 // Get proper date time format 656 glueIndex = (int32_t)(kDateTimeOffset + (dateStyle - kDateOffset)); 657 } 658 659 resStr = ures_getStringByIndex(dateTimePatterns, glueIndex, &resStrLen, &status); 660 MessageFormat::format(UnicodeString(TRUE, resStr, resStrLen), timeDateArray, 2, fPattern, status); 661 } 662 // if the pattern includes just time data or just date date, load the appropriate 663 // pattern string from the resources 664 // setTo() - see DateFormatSymbols::assignArray comments 665 else if (timeStyle != kNone) { 666 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)timeStyle, NULL, &status); 667 if (U_FAILURE(status)) { 668 status = U_INVALID_FORMAT_ERROR; 669 return; 670 } 671 switch (ures_getType(currentBundle)) { 672 case URES_STRING: { 673 resStr = ures_getString(currentBundle, &resStrLen, &status); 674 break; 675 } 676 case URES_ARRAY: { 677 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); 678 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); 679 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); 680 break; 681 } 682 default: { 683 status = U_INVALID_FORMAT_ERROR; 684 ures_close(currentBundle); 685 return; 686 } 687 } 688 fPattern.setTo(TRUE, resStr, resStrLen); 689 ures_close(currentBundle); 690 } 691 else if (dateStyle != kNone) { 692 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)dateStyle, NULL, &status); 693 if (U_FAILURE(status)) { 694 status = U_INVALID_FORMAT_ERROR; 695 return; 696 } 697 switch (ures_getType(currentBundle)) { 698 case URES_STRING: { 699 resStr = ures_getString(currentBundle, &resStrLen, &status); 700 break; 701 } 702 case URES_ARRAY: { 703 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); 704 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); 705 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); 706 break; 707 } 708 default: { 709 status = U_INVALID_FORMAT_ERROR; 710 ures_close(currentBundle); 711 return; 712 } 713 } 714 fPattern.setTo(TRUE, resStr, resStrLen); 715 ures_close(currentBundle); 716 } 717 718 // and if it includes _neither_, that's an error 719 else 720 status = U_INVALID_FORMAT_ERROR; 721 722 // finally, finish initializing by creating a Calendar and a NumberFormat 723 initialize(locale, status); 724 } 725 726 //---------------------------------------------------------------------- 727 728 Calendar* 729 SimpleDateFormat::initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status) 730 { 731 if(!U_FAILURE(status)) { 732 fCalendar = Calendar::createInstance(adoptZone?adoptZone:TimeZone::createDefault(), locale, status); 733 } 734 if (U_SUCCESS(status) && fCalendar == NULL) { 735 status = U_MEMORY_ALLOCATION_ERROR; 736 } 737 return fCalendar; 738 } 739 740 void 741 SimpleDateFormat::initializeSymbols(const Locale& locale, Calendar* calendar, UErrorCode& status) 742 { 743 if(U_FAILURE(status)) { 744 fSymbols = NULL; 745 } else { 746 // pass in calendar type - use NULL (default) if no calendar set (or err). 747 fSymbols = new DateFormatSymbols(locale, calendar?calendar->getType() :NULL , status); 748 // Null pointer check 749 if (fSymbols == NULL) { 750 status = U_MEMORY_ALLOCATION_ERROR; 751 return; 752 } 753 } 754 } 755 756 void 757 SimpleDateFormat::initialize(const Locale& locale, 758 UErrorCode& status) 759 { 760 if (U_FAILURE(status)) return; 761 762 // We don't need to check that the row count is >= 1, since all 2d arrays have at 763 // least one row 764 fNumberFormat = NumberFormat::createInstance(locale, status); 765 if (fNumberFormat != NULL && U_SUCCESS(status)) 766 { 767 // no matter what the locale's default number format looked like, we want 768 // to modify it so that it doesn't use thousands separators, doesn't always 769 // show the decimal point, and recognizes integers only when parsing 770 771 fNumberFormat->setGroupingUsed(FALSE); 772 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat); 773 if (decfmt != NULL) { 774 decfmt->setDecimalSeparatorAlwaysShown(FALSE); 775 } 776 fNumberFormat->setParseIntegerOnly(TRUE); 777 fNumberFormat->setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00" 778 779 //fNumberFormat->setLenient(TRUE); // Java uses a custom DateNumberFormat to format/parse 780 781 initNumberFormatters(locale,status); 782 783 } 784 else if (U_SUCCESS(status)) 785 { 786 status = U_MISSING_RESOURCE_ERROR; 787 } 788 } 789 790 /* Initialize the fields we use to disambiguate ambiguous years. Separate 791 * so we can call it from readObject(). 792 */ 793 void SimpleDateFormat::initializeDefaultCentury() 794 { 795 if(fCalendar) { 796 fHaveDefaultCentury = fCalendar->haveDefaultCentury(); 797 if(fHaveDefaultCentury) { 798 fDefaultCenturyStart = fCalendar->defaultCenturyStart(); 799 fDefaultCenturyStartYear = fCalendar->defaultCenturyStartYear(); 800 } else { 801 fDefaultCenturyStart = DBL_MIN; 802 fDefaultCenturyStartYear = -1; 803 } 804 } 805 } 806 807 /* Define one-century window into which to disambiguate dates using 808 * two-digit years. Make public in JDK 1.2. 809 */ 810 void SimpleDateFormat::parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status) 811 { 812 if(U_FAILURE(status)) { 813 return; 814 } 815 if(!fCalendar) { 816 status = U_ILLEGAL_ARGUMENT_ERROR; 817 return; 818 } 819 820 fCalendar->setTime(startDate, status); 821 if(U_SUCCESS(status)) { 822 fHaveDefaultCentury = TRUE; 823 fDefaultCenturyStart = startDate; 824 fDefaultCenturyStartYear = fCalendar->get(UCAL_YEAR, status); 825 } 826 } 827 828 //---------------------------------------------------------------------- 829 830 UnicodeString& 831 SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo, FieldPosition& pos) const 832 { 833 UErrorCode status = U_ZERO_ERROR; 834 FieldPositionOnlyHandler handler(pos); 835 return _format(cal, appendTo, handler, status); 836 } 837 838 //---------------------------------------------------------------------- 839 840 UnicodeString& 841 SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo, 842 FieldPositionIterator* posIter, UErrorCode& status) const 843 { 844 FieldPositionIteratorHandler handler(posIter, status); 845 return _format(cal, appendTo, handler, status); 846 } 847 848 //---------------------------------------------------------------------- 849 850 UnicodeString& 851 SimpleDateFormat::_format(Calendar& cal, UnicodeString& appendTo, 852 FieldPositionHandler& handler, UErrorCode& status) const 853 { 854 if ( U_FAILURE(status) ) { 855 return appendTo; 856 } 857 Calendar* workCal = &cal; 858 Calendar* calClone = NULL; 859 if (&cal != fCalendar && uprv_strcmp(cal.getType(), fCalendar->getType()) != 0) { 860 // Different calendar type 861 // We use the time and time zone from the input calendar, but 862 // do not use the input calendar for field calculation. 863 calClone = fCalendar->clone(); 864 if (calClone != NULL) { 865 UDate t = cal.getTime(status); 866 calClone->setTime(t, status); 867 calClone->setTimeZone(cal.getTimeZone()); 868 workCal = calClone; 869 } else { 870 status = U_MEMORY_ALLOCATION_ERROR; 871 return appendTo; 872 } 873 } 874 875 UBool inQuote = FALSE; 876 UChar prevCh = 0; 877 int32_t count = 0; 878 int32_t fieldNum = 0; 879 880 // loop through the pattern string character by character 881 for (int32_t i = 0; i < fPattern.length() && U_SUCCESS(status); ++i) { 882 UChar ch = fPattern[i]; 883 884 // Use subFormat() to format a repeated pattern character 885 // when a different pattern or non-pattern character is seen 886 if (ch != prevCh && count > 0) { 887 subFormat(appendTo, prevCh, count, fCapitalizationContext, fieldNum++, handler, *workCal, status); 888 count = 0; 889 } 890 if (ch == QUOTE) { 891 // Consecutive single quotes are a single quote literal, 892 // either outside of quotes or between quotes 893 if ((i+1) < fPattern.length() && fPattern[i+1] == QUOTE) { 894 appendTo += (UChar)QUOTE; 895 ++i; 896 } else { 897 inQuote = ! inQuote; 898 } 899 } 900 else if ( ! inQuote && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/) 901 || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) { 902 // ch is a date-time pattern character to be interpreted 903 // by subFormat(); count the number of times it is repeated 904 prevCh = ch; 905 ++count; 906 } 907 else { 908 // Append quoted characters and unquoted non-pattern characters 909 appendTo += ch; 910 } 911 } 912 913 // Format the last item in the pattern, if any 914 if (count > 0) { 915 subFormat(appendTo, prevCh, count, fCapitalizationContext, fieldNum++, handler, *workCal, status); 916 } 917 918 if (calClone != NULL) { 919 delete calClone; 920 } 921 922 return appendTo; 923 } 924 925 //---------------------------------------------------------------------- 926 927 /* Map calendar field into calendar field level. 928 * the larger the level, the smaller the field unit. 929 * For example, UCAL_ERA level is 0, UCAL_YEAR level is 10, 930 * UCAL_MONTH level is 20. 931 * NOTE: if new fields adds in, the table needs to update. 932 */ 933 const int32_t 934 SimpleDateFormat::fgCalendarFieldToLevel[] = 935 { 936 /*GyM*/ 0, 10, 20, 937 /*wW*/ 20, 30, 938 /*dDEF*/ 30, 20, 30, 30, 939 /*ahHm*/ 40, 50, 50, 60, 940 /*sS..*/ 70, 80, 941 /*z?Y*/ 0, 0, 10, 942 /*eug*/ 30, 10, 0, 943 /*A*/ 40 944 }; 945 946 947 /* Map calendar field LETTER into calendar field level. 948 * the larger the level, the smaller the field unit. 949 * NOTE: if new fields adds in, the table needs to update. 950 */ 951 const int32_t 952 SimpleDateFormat::fgPatternCharToLevel[] = { 953 // A B C D E F G H I J K L M N O 954 -1, 40, -1, -1, 20, 30, 30, 0, 50, -1, -1, 50, 20, 20, -1, 0, 955 // P Q R S T U V W X Y Z 956 -1, 20, -1, 80, -1, 10, 0, 30, 0, 10, 0, -1, -1, -1, -1, -1, 957 // a b c d e f g h i j k l m n o 958 -1, 40, -1, 30, 30, 30, -1, 0, 50, -1, -1, 50, -1, 60, -1, -1, 959 // p q r s t u v w x y z 960 -1, 20, -1, 70, -1, 10, 0, 20, 0, 10, 0, -1, -1, -1, -1, -1 961 }; 962 963 964 // Map index into pattern character string to Calendar field number. 965 const UCalendarDateFields 966 SimpleDateFormat::fgPatternIndexToCalendarField[] = 967 { 968 /*GyM*/ UCAL_ERA, UCAL_YEAR, UCAL_MONTH, 969 /*dkH*/ UCAL_DATE, UCAL_HOUR_OF_DAY, UCAL_HOUR_OF_DAY, 970 /*msS*/ UCAL_MINUTE, UCAL_SECOND, UCAL_MILLISECOND, 971 /*EDF*/ UCAL_DAY_OF_WEEK, UCAL_DAY_OF_YEAR, UCAL_DAY_OF_WEEK_IN_MONTH, 972 /*wWa*/ UCAL_WEEK_OF_YEAR, UCAL_WEEK_OF_MONTH, UCAL_AM_PM, 973 /*hKz*/ UCAL_HOUR, UCAL_HOUR, UCAL_ZONE_OFFSET, 974 /*Yeu*/ UCAL_YEAR_WOY, UCAL_DOW_LOCAL, UCAL_EXTENDED_YEAR, 975 /*gAZ*/ UCAL_JULIAN_DAY, UCAL_MILLISECONDS_IN_DAY, UCAL_ZONE_OFFSET, 976 /*v*/ UCAL_ZONE_OFFSET, 977 /*c*/ UCAL_DOW_LOCAL, 978 /*L*/ UCAL_MONTH, 979 /*Q*/ UCAL_MONTH, 980 /*q*/ UCAL_MONTH, 981 /*V*/ UCAL_ZONE_OFFSET, 982 /*U*/ UCAL_YEAR, 983 /*O*/ UCAL_ZONE_OFFSET, 984 /*Xx*/ UCAL_ZONE_OFFSET, UCAL_ZONE_OFFSET, 985 }; 986 987 // Map index into pattern character string to DateFormat field number 988 const UDateFormatField 989 SimpleDateFormat::fgPatternIndexToDateFormatField[] = { 990 /*GyM*/ UDAT_ERA_FIELD, UDAT_YEAR_FIELD, UDAT_MONTH_FIELD, 991 /*dkH*/ UDAT_DATE_FIELD, UDAT_HOUR_OF_DAY1_FIELD, UDAT_HOUR_OF_DAY0_FIELD, 992 /*msS*/ UDAT_MINUTE_FIELD, UDAT_SECOND_FIELD, UDAT_FRACTIONAL_SECOND_FIELD, 993 /*EDF*/ UDAT_DAY_OF_WEEK_FIELD, UDAT_DAY_OF_YEAR_FIELD, UDAT_DAY_OF_WEEK_IN_MONTH_FIELD, 994 /*wWa*/ UDAT_WEEK_OF_YEAR_FIELD, UDAT_WEEK_OF_MONTH_FIELD, UDAT_AM_PM_FIELD, 995 /*hKz*/ UDAT_HOUR1_FIELD, UDAT_HOUR0_FIELD, UDAT_TIMEZONE_FIELD, 996 /*Yeu*/ UDAT_YEAR_WOY_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_EXTENDED_YEAR_FIELD, 997 /*gAZ*/ UDAT_JULIAN_DAY_FIELD, UDAT_MILLISECONDS_IN_DAY_FIELD, UDAT_TIMEZONE_RFC_FIELD, 998 /*v*/ UDAT_TIMEZONE_GENERIC_FIELD, 999 /*c*/ UDAT_STANDALONE_DAY_FIELD, 1000 /*L*/ UDAT_STANDALONE_MONTH_FIELD, 1001 /*Q*/ UDAT_QUARTER_FIELD, 1002 /*q*/ UDAT_STANDALONE_QUARTER_FIELD, 1003 /*V*/ UDAT_TIMEZONE_SPECIAL_FIELD, 1004 /*U*/ UDAT_YEAR_NAME_FIELD, 1005 /*O*/ UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD, 1006 /*Xx*/ UDAT_TIMEZONE_ISO_FIELD, UDAT_TIMEZONE_ISO_LOCAL_FIELD, 1007 }; 1008 1009 //---------------------------------------------------------------------- 1010 1011 /** 1012 * Append symbols[value] to dst. Make sure the array index is not out 1013 * of bounds. 1014 */ 1015 static inline void 1016 _appendSymbol(UnicodeString& dst, 1017 int32_t value, 1018 const UnicodeString* symbols, 1019 int32_t symbolsCount) { 1020 U_ASSERT(0 <= value && value < symbolsCount); 1021 if (0 <= value && value < symbolsCount) { 1022 dst += symbols[value]; 1023 } 1024 } 1025 1026 static inline void 1027 _appendSymbolWithMonthPattern(UnicodeString& dst, int32_t value, const UnicodeString* symbols, int32_t symbolsCount, 1028 const UnicodeString* monthPattern, UErrorCode& status) { 1029 U_ASSERT(0 <= value && value < symbolsCount); 1030 if (0 <= value && value < symbolsCount) { 1031 if (monthPattern == NULL) { 1032 dst += symbols[value]; 1033 } else { 1034 Formattable monthName((const UnicodeString&)(symbols[value])); 1035 MessageFormat::format(*monthPattern, &monthName, 1, dst, status); 1036 } 1037 } 1038 } 1039 1040 //---------------------------------------------------------------------- 1041 void 1042 SimpleDateFormat::initNumberFormatters(const Locale &locale,UErrorCode &status) { 1043 if (U_FAILURE(status)) { 1044 return; 1045 } 1046 if ( fDateOverride.isBogus() && fTimeOverride.isBogus() ) { 1047 return; 1048 } 1049 umtx_lock(&LOCK); 1050 if (fNumberFormatters == NULL) { 1051 fNumberFormatters = (NumberFormat**)uprv_malloc(UDAT_FIELD_COUNT * sizeof(NumberFormat*)); 1052 if (fNumberFormatters) { 1053 for (int32_t i = 0; i < UDAT_FIELD_COUNT; i++) { 1054 fNumberFormatters[i] = fNumberFormat; 1055 } 1056 } else { 1057 status = U_MEMORY_ALLOCATION_ERROR; 1058 } 1059 } 1060 umtx_unlock(&LOCK); 1061 1062 processOverrideString(locale,fDateOverride,kOvrStrDate,status); 1063 processOverrideString(locale,fTimeOverride,kOvrStrTime,status); 1064 1065 } 1066 1067 void 1068 SimpleDateFormat::processOverrideString(const Locale &locale, const UnicodeString &str, int8_t type, UErrorCode &status) { 1069 if (str.isBogus()) { 1070 return; 1071 } 1072 int32_t start = 0; 1073 int32_t len; 1074 UnicodeString nsName; 1075 UnicodeString ovrField; 1076 UBool moreToProcess = TRUE; 1077 1078 while (moreToProcess) { 1079 int32_t delimiterPosition = str.indexOf((UChar)ULOC_KEYWORD_ITEM_SEPARATOR_UNICODE,start); 1080 if (delimiterPosition == -1) { 1081 moreToProcess = FALSE; 1082 len = str.length() - start; 1083 } else { 1084 len = delimiterPosition - start; 1085 } 1086 UnicodeString currentString(str,start,len); 1087 int32_t equalSignPosition = currentString.indexOf((UChar)ULOC_KEYWORD_ASSIGN_UNICODE,0); 1088 if (equalSignPosition == -1) { // Simple override string such as "hebrew" 1089 nsName.setTo(currentString); 1090 ovrField.setToBogus(); 1091 } else { // Field specific override string such as "y=hebrew" 1092 nsName.setTo(currentString,equalSignPosition+1); 1093 ovrField.setTo(currentString,0,1); // We just need the first character. 1094 } 1095 1096 int32_t nsNameHash = nsName.hashCode(); 1097 // See if the numbering system is in the override list, if not, then add it. 1098 NSOverride *cur = fOverrideList; 1099 NumberFormat *nf = NULL; 1100 UBool found = FALSE; 1101 while ( cur && !found ) { 1102 if ( cur->hash == nsNameHash ) { 1103 nf = cur->nf; 1104 found = TRUE; 1105 } 1106 cur = cur->next; 1107 } 1108 1109 if (!found) { 1110 cur = (NSOverride *)uprv_malloc(sizeof(NSOverride)); 1111 if (cur) { 1112 char kw[ULOC_KEYWORD_AND_VALUES_CAPACITY]; 1113 uprv_strcpy(kw,"numbers="); 1114 nsName.extract(0,len,kw+8,ULOC_KEYWORD_AND_VALUES_CAPACITY-8,US_INV); 1115 1116 Locale ovrLoc(locale.getLanguage(),locale.getCountry(),locale.getVariant(),kw); 1117 nf = NumberFormat::createInstance(ovrLoc,status); 1118 1119 // no matter what the locale's default number format looked like, we want 1120 // to modify it so that it doesn't use thousands separators, doesn't always 1121 // show the decimal point, and recognizes integers only when parsing 1122 1123 if (U_SUCCESS(status)) { 1124 nf->setGroupingUsed(FALSE); 1125 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(nf); 1126 if (decfmt != NULL) { 1127 decfmt->setDecimalSeparatorAlwaysShown(FALSE); 1128 } 1129 nf->setParseIntegerOnly(TRUE); 1130 nf->setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00" 1131 1132 cur->nf = nf; 1133 cur->hash = nsNameHash; 1134 cur->next = fOverrideList; 1135 fOverrideList = cur; 1136 } 1137 else { 1138 // clean up before returning 1139 if (cur != NULL) { 1140 uprv_free(cur); 1141 } 1142 return; 1143 } 1144 1145 } else { 1146 status = U_MEMORY_ALLOCATION_ERROR; 1147 return; 1148 } 1149 } 1150 1151 // Now that we have an appropriate number formatter, fill in the appropriate spaces in the 1152 // number formatters table. 1153 1154 if (ovrField.isBogus()) { 1155 switch (type) { 1156 case kOvrStrDate: 1157 case kOvrStrBoth: { 1158 for ( int8_t i=0 ; i<kDateFieldsCount; i++ ) { 1159 fNumberFormatters[kDateFields[i]] = nf; 1160 } 1161 if (type==kOvrStrDate) { 1162 break; 1163 } 1164 } 1165 case kOvrStrTime : { 1166 for ( int8_t i=0 ; i<kTimeFieldsCount; i++ ) { 1167 fNumberFormatters[kTimeFields[i]] = nf; 1168 } 1169 break; 1170 } 1171 } 1172 } else { 1173 // if the pattern character is unrecognized, signal an error and bail out 1174 UDateFormatField patternCharIndex = 1175 DateFormatSymbols::getPatternCharIndex(ovrField.charAt(0)); 1176 if (patternCharIndex == UDAT_FIELD_COUNT) { 1177 status = U_INVALID_FORMAT_ERROR; 1178 return; 1179 } 1180 1181 // Set the number formatter in the table 1182 fNumberFormatters[patternCharIndex] = nf; 1183 } 1184 1185 start = delimiterPosition + 1; 1186 } 1187 } 1188 1189 //--------------------------------------------------------------------- 1190 void 1191 SimpleDateFormat::subFormat(UnicodeString &appendTo, 1192 UChar ch, 1193 int32_t count, 1194 UDisplayContext capitalizationContext, 1195 int32_t fieldNum, 1196 FieldPositionHandler& handler, 1197 Calendar& cal, 1198 UErrorCode& status) const 1199 { 1200 if (U_FAILURE(status)) { 1201 return; 1202 } 1203 1204 // this function gets called by format() to produce the appropriate substitution 1205 // text for an individual pattern symbol (e.g., "HH" or "yyyy") 1206 1207 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch); 1208 const int32_t maxIntCount = 10; 1209 int32_t beginOffset = appendTo.length(); 1210 NumberFormat *currentNumberFormat; 1211 DateFormatSymbols::ECapitalizationContextUsageType capContextUsageType = DateFormatSymbols::kCapContextUsageOther; 1212 1213 UBool isHebrewCalendar = (uprv_strcmp(cal.getType(),"hebrew") == 0); 1214 UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 0 || uprv_strcmp(cal.getType(),"dangi") == 0); 1215 1216 // if the pattern character is unrecognized, signal an error and dump out 1217 if (patternCharIndex == UDAT_FIELD_COUNT) 1218 { 1219 if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored 1220 status = U_INVALID_FORMAT_ERROR; 1221 } 1222 return; 1223 } 1224 1225 UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; 1226 int32_t value = cal.get(field, status); 1227 if (U_FAILURE(status)) { 1228 return; 1229 } 1230 1231 currentNumberFormat = getNumberFormatByIndex(patternCharIndex); 1232 UnicodeString hebr("hebr", 4, US_INV); 1233 1234 switch (patternCharIndex) { 1235 1236 // for any "G" symbol, write out the appropriate era string 1237 // "GGGG" is wide era name, "GGGGG" is narrow era name, anything else is abbreviated name 1238 case UDAT_ERA_FIELD: 1239 if (isChineseCalendar) { 1240 zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, 9); // as in ICU4J 1241 } else { 1242 if (count == 5) { 1243 _appendSymbol(appendTo, value, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount); 1244 capContextUsageType = DateFormatSymbols::kCapContextUsageEraNarrow; 1245 } else if (count == 4) { 1246 _appendSymbol(appendTo, value, fSymbols->fEraNames, fSymbols->fEraNamesCount); 1247 capContextUsageType = DateFormatSymbols::kCapContextUsageEraWide; 1248 } else { 1249 _appendSymbol(appendTo, value, fSymbols->fEras, fSymbols->fErasCount); 1250 capContextUsageType = DateFormatSymbols::kCapContextUsageEraAbbrev; 1251 } 1252 } 1253 break; 1254 1255 case UDAT_YEAR_NAME_FIELD: 1256 if (fSymbols->fShortYearNames != NULL && value <= fSymbols->fShortYearNamesCount) { 1257 // the Calendar YEAR field runs 1 through 60 for cyclic years 1258 _appendSymbol(appendTo, value - 1, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount); 1259 break; 1260 } 1261 // else fall through to numeric year handling, do not break here 1262 1263 // OLD: for "yyyy", write out the whole year; for "yy", write out the last 2 digits 1264 // NEW: UTS#35: 1265 //Year y yy yyy yyyy yyyyy 1266 //AD 1 1 01 001 0001 00001 1267 //AD 12 12 12 012 0012 00012 1268 //AD 123 123 23 123 0123 00123 1269 //AD 1234 1234 34 1234 1234 01234 1270 //AD 12345 12345 45 12345 12345 12345 1271 case UDAT_YEAR_FIELD: 1272 case UDAT_YEAR_WOY_FIELD: 1273 if (fDateOverride.compare(hebr)==0 && value>HEBREW_CAL_CUR_MILLENIUM_START_YEAR && value<HEBREW_CAL_CUR_MILLENIUM_END_YEAR) { 1274 value-=HEBREW_CAL_CUR_MILLENIUM_START_YEAR; 1275 } 1276 if(count == 2) 1277 zeroPaddingNumber(currentNumberFormat, appendTo, value, 2, 2); 1278 else 1279 zeroPaddingNumber(currentNumberFormat, appendTo, value, count, maxIntCount); 1280 break; 1281 1282 // for "MMMM"/"LLLL", write out the whole month name, for "MMM"/"LLL", write out the month 1283 // abbreviation, for "M"/"L" or "MM"/"LL", write out the month as a number with the 1284 // appropriate number of digits 1285 // for "MMMMM"/"LLLLL", use the narrow form 1286 case UDAT_MONTH_FIELD: 1287 case UDAT_STANDALONE_MONTH_FIELD: 1288 if ( isHebrewCalendar ) { 1289 HebrewCalendar *hc = (HebrewCalendar*)&cal; 1290 if (hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value == 6 && count >= 3 ) 1291 value = 13; // Show alternate form for Adar II in leap years in Hebrew calendar. 1292 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6 && count < 3 ) 1293 value--; // Adjust the month number down 1 in Hebrew non-leap years, i.e. Adar is 6, not 7. 1294 } 1295 { 1296 int32_t isLeapMonth = (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount)? 1297 cal.get(UCAL_IS_LEAP_MONTH, status): 0; 1298 // should consolidate the next section by using arrays of pointers & counts for the right symbols... 1299 if (count == 5) { 1300 if (patternCharIndex == UDAT_MONTH_FIELD) { 1301 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fNarrowMonths, fSymbols->fNarrowMonthsCount, 1302 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatNarrow]): NULL, status); 1303 } else { 1304 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneNarrowMonths, fSymbols->fStandaloneNarrowMonthsCount, 1305 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneNarrow]): NULL, status); 1306 } 1307 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthNarrow; 1308 } else if (count == 4) { 1309 if (patternCharIndex == UDAT_MONTH_FIELD) { 1310 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fMonths, fSymbols->fMonthsCount, 1311 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide]): NULL, status); 1312 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat; 1313 } else { 1314 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, 1315 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]): NULL, status); 1316 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone; 1317 } 1318 } else if (count == 3) { 1319 if (patternCharIndex == UDAT_MONTH_FIELD) { 1320 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, 1321 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev]): NULL, status); 1322 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat; 1323 } else { 1324 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, 1325 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]): NULL, status); 1326 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone; 1327 } 1328 } else { 1329 UnicodeString monthNumber; 1330 zeroPaddingNumber(currentNumberFormat,monthNumber, value + 1, count, maxIntCount); 1331 _appendSymbolWithMonthPattern(appendTo, 0, &monthNumber, 1, 1332 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric]): NULL, status); 1333 } 1334 } 1335 break; 1336 1337 // for "k" and "kk", write out the hour, adjusting midnight to appear as "24" 1338 case UDAT_HOUR_OF_DAY1_FIELD: 1339 if (value == 0) 1340 zeroPaddingNumber(currentNumberFormat,appendTo, cal.getMaximum(UCAL_HOUR_OF_DAY) + 1, count, maxIntCount); 1341 else 1342 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); 1343 break; 1344 1345 case UDAT_FRACTIONAL_SECOND_FIELD: 1346 // Fractional seconds left-justify 1347 { 1348 currentNumberFormat->setMinimumIntegerDigits((count > 3) ? 3 : count); 1349 currentNumberFormat->setMaximumIntegerDigits(maxIntCount); 1350 if (count == 1) { 1351 value /= 100; 1352 } else if (count == 2) { 1353 value /= 10; 1354 } 1355 FieldPosition p(0); 1356 currentNumberFormat->format(value, appendTo, p); 1357 if (count > 3) { 1358 currentNumberFormat->setMinimumIntegerDigits(count - 3); 1359 currentNumberFormat->format((int32_t)0, appendTo, p); 1360 } 1361 } 1362 break; 1363 1364 // for "ee" or "e", use local numeric day-of-the-week 1365 // for "EEEEEE" or "eeeeee", write out the short day-of-the-week name 1366 // for "EEEEE" or "eeeee", write out the narrow day-of-the-week name 1367 // for "EEEE" or "eeee", write out the wide day-of-the-week name 1368 // for "EEE" or "EE" or "E" or "eee", write out the abbreviated day-of-the-week name 1369 case UDAT_DOW_LOCAL_FIELD: 1370 if ( count < 3 ) { 1371 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); 1372 break; 1373 } 1374 // fall through to EEEEE-EEE handling, but for that we don't want local day-of-week, 1375 // we want standard day-of-week, so first fix value to work for EEEEE-EEE. 1376 value = cal.get(UCAL_DAY_OF_WEEK, status); 1377 if (U_FAILURE(status)) { 1378 return; 1379 } 1380 // fall through, do not break here 1381 case UDAT_DAY_OF_WEEK_FIELD: 1382 if (count == 5) { 1383 _appendSymbol(appendTo, value, fSymbols->fNarrowWeekdays, 1384 fSymbols->fNarrowWeekdaysCount); 1385 capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow; 1386 } else if (count == 4) { 1387 _appendSymbol(appendTo, value, fSymbols->fWeekdays, 1388 fSymbols->fWeekdaysCount); 1389 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; 1390 } else if (count == 6) { 1391 _appendSymbol(appendTo, value, fSymbols->fShorterWeekdays, 1392 fSymbols->fShorterWeekdaysCount); 1393 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; 1394 } else { 1395 _appendSymbol(appendTo, value, fSymbols->fShortWeekdays, 1396 fSymbols->fShortWeekdaysCount); 1397 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; 1398 } 1399 break; 1400 1401 // for "ccc", write out the abbreviated day-of-the-week name 1402 // for "cccc", write out the wide day-of-the-week name 1403 // for "ccccc", use the narrow day-of-the-week name 1404 // for "ccccc", use the short day-of-the-week name 1405 case UDAT_STANDALONE_DAY_FIELD: 1406 if ( count < 3 ) { 1407 zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, maxIntCount); 1408 break; 1409 } 1410 // fall through to alpha DOW handling, but for that we don't want local day-of-week, 1411 // we want standard day-of-week, so first fix value. 1412 value = cal.get(UCAL_DAY_OF_WEEK, status); 1413 if (U_FAILURE(status)) { 1414 return; 1415 } 1416 if (count == 5) { 1417 _appendSymbol(appendTo, value, fSymbols->fStandaloneNarrowWeekdays, 1418 fSymbols->fStandaloneNarrowWeekdaysCount); 1419 capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow; 1420 } else if (count == 4) { 1421 _appendSymbol(appendTo, value, fSymbols->fStandaloneWeekdays, 1422 fSymbols->fStandaloneWeekdaysCount); 1423 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; 1424 } else if (count == 6) { 1425 _appendSymbol(appendTo, value, fSymbols->fStandaloneShorterWeekdays, 1426 fSymbols->fStandaloneShorterWeekdaysCount); 1427 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; 1428 } else { // count == 3 1429 _appendSymbol(appendTo, value, fSymbols->fStandaloneShortWeekdays, 1430 fSymbols->fStandaloneShortWeekdaysCount); 1431 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; 1432 } 1433 break; 1434 1435 // for and "a" symbol, write out the whole AM/PM string 1436 case UDAT_AM_PM_FIELD: 1437 _appendSymbol(appendTo, value, fSymbols->fAmPms, 1438 fSymbols->fAmPmsCount); 1439 break; 1440 1441 // for "h" and "hh", write out the hour, adjusting noon and midnight to show up 1442 // as "12" 1443 case UDAT_HOUR1_FIELD: 1444 if (value == 0) 1445 zeroPaddingNumber(currentNumberFormat,appendTo, cal.getLeastMaximum(UCAL_HOUR) + 1, count, maxIntCount); 1446 else 1447 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); 1448 break; 1449 1450 case UDAT_TIMEZONE_FIELD: // 'z' 1451 case UDAT_TIMEZONE_RFC_FIELD: // 'Z' 1452 case UDAT_TIMEZONE_GENERIC_FIELD: // 'v' 1453 case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V' 1454 case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O' 1455 case UDAT_TIMEZONE_ISO_FIELD: // 'X' 1456 case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x' 1457 { 1458 UnicodeString zoneString; 1459 const TimeZone& tz = cal.getTimeZone(); 1460 UDate date = cal.getTime(status); 1461 if (U_SUCCESS(status)) { 1462 if (patternCharIndex == UDAT_TIMEZONE_FIELD) { 1463 if (count < 4) { 1464 // "z", "zz", "zzz" 1465 tzFormat()->format(UTZFMT_STYLE_SPECIFIC_SHORT, tz, date, zoneString); 1466 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; 1467 } else { 1468 // "zzzz" or longer 1469 tzFormat()->format(UTZFMT_STYLE_SPECIFIC_LONG, tz, date, zoneString); 1470 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong; 1471 } 1472 } 1473 else if (patternCharIndex == UDAT_TIMEZONE_RFC_FIELD) { 1474 if (count < 4) { 1475 // "Z" 1476 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString); 1477 } else if (count == 5) { 1478 // "ZZZZZ" 1479 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString); 1480 } else { 1481 // "ZZ", "ZZZ", "ZZZZ" 1482 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString); 1483 } 1484 } 1485 else if (patternCharIndex == UDAT_TIMEZONE_GENERIC_FIELD) { 1486 if (count == 1) { 1487 // "v" 1488 tzFormat()->format(UTZFMT_STYLE_GENERIC_SHORT, tz, date, zoneString); 1489 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; 1490 } else if (count == 4) { 1491 // "vvvv" 1492 tzFormat()->format(UTZFMT_STYLE_GENERIC_LONG, tz, date, zoneString); 1493 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong; 1494 } 1495 } 1496 else if (patternCharIndex == UDAT_TIMEZONE_SPECIAL_FIELD) { 1497 if (count == 1) { 1498 // "V" 1499 tzFormat()->format(UTZFMT_STYLE_ZONE_ID_SHORT, tz, date, zoneString); 1500 } else if (count == 2) { 1501 // "VV" 1502 tzFormat()->format(UTZFMT_STYLE_ZONE_ID, tz, date, zoneString); 1503 } else if (count == 3) { 1504 // "VVV" 1505 tzFormat()->format(UTZFMT_STYLE_EXEMPLAR_LOCATION, tz, date, zoneString); 1506 } else if (count == 4) { 1507 // "VVVV" 1508 tzFormat()->format(UTZFMT_STYLE_GENERIC_LOCATION, tz, date, zoneString); 1509 capContextUsageType = DateFormatSymbols::kCapContextUsageZoneLong; 1510 } 1511 } 1512 else if (patternCharIndex == UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD) { 1513 if (count == 1) { 1514 // "O" 1515 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT_SHORT, tz, date, zoneString); 1516 } else if (count == 4) { 1517 // "OOOO" 1518 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString); 1519 } 1520 } 1521 else if (patternCharIndex == UDAT_TIMEZONE_ISO_FIELD) { 1522 if (count == 1) { 1523 // "X" 1524 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_SHORT, tz, date, zoneString); 1525 } else if (count == 2) { 1526 // "XX" 1527 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_FIXED, tz, date, zoneString); 1528 } else if (count == 3) { 1529 // "XXX" 1530 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FIXED, tz, date, zoneString); 1531 } else if (count == 4) { 1532 // "XXXX" 1533 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_FULL, tz, date, zoneString); 1534 } else if (count == 5) { 1535 // "XXXXX" 1536 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString); 1537 } 1538 } 1539 else if (patternCharIndex == UDAT_TIMEZONE_ISO_LOCAL_FIELD) { 1540 if (count == 1) { 1541 // "x" 1542 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT, tz, date, zoneString); 1543 } else if (count == 2) { 1544 // "xx" 1545 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED, tz, date, zoneString); 1546 } else if (count == 3) { 1547 // "xxx" 1548 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED, tz, date, zoneString); 1549 } else if (count == 4) { 1550 // "xxxx" 1551 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString); 1552 } else if (count == 5) { 1553 // "xxxxx" 1554 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL, tz, date, zoneString); 1555 } 1556 } 1557 else { 1558 U_ASSERT(FALSE); 1559 } 1560 } 1561 appendTo += zoneString; 1562 } 1563 break; 1564 1565 case UDAT_QUARTER_FIELD: 1566 if (count >= 4) 1567 _appendSymbol(appendTo, value/3, fSymbols->fQuarters, 1568 fSymbols->fQuartersCount); 1569 else if (count == 3) 1570 _appendSymbol(appendTo, value/3, fSymbols->fShortQuarters, 1571 fSymbols->fShortQuartersCount); 1572 else 1573 zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount); 1574 break; 1575 1576 case UDAT_STANDALONE_QUARTER_FIELD: 1577 if (count >= 4) 1578 _appendSymbol(appendTo, value/3, fSymbols->fStandaloneQuarters, 1579 fSymbols->fStandaloneQuartersCount); 1580 else if (count == 3) 1581 _appendSymbol(appendTo, value/3, fSymbols->fStandaloneShortQuarters, 1582 fSymbols->fStandaloneShortQuartersCount); 1583 else 1584 zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount); 1585 break; 1586 1587 1588 // all of the other pattern symbols can be formatted as simple numbers with 1589 // appropriate zero padding 1590 default: 1591 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); 1592 break; 1593 } 1594 #if !UCONFIG_NO_BREAK_ITERATION 1595 if (fieldNum == 0) { 1596 // first field, check to see whether we need to titlecase it 1597 UBool titlecase = FALSE; 1598 switch (capitalizationContext) { 1599 case UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE: 1600 titlecase = TRUE; 1601 break; 1602 case UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU: 1603 titlecase = fSymbols->fCapitalization[capContextUsageType][0]; 1604 break; 1605 case UDISPCTX_CAPITALIZATION_FOR_STANDALONE: 1606 titlecase = fSymbols->fCapitalization[capContextUsageType][1]; 1607 break; 1608 default: 1609 // titlecase = FALSE; 1610 break; 1611 } 1612 if (titlecase) { 1613 UnicodeString firstField(appendTo, beginOffset); 1614 firstField.toTitle(NULL, fLocale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT); 1615 appendTo.replaceBetween(beginOffset, appendTo.length(), firstField); 1616 } 1617 } 1618 #endif 1619 1620 handler.addAttribute(fgPatternIndexToDateFormatField[patternCharIndex], beginOffset, appendTo.length()); 1621 } 1622 1623 //---------------------------------------------------------------------- 1624 1625 NumberFormat * 1626 SimpleDateFormat::getNumberFormatByIndex(UDateFormatField index) const { 1627 if (fNumberFormatters != NULL) { 1628 return fNumberFormatters[index]; 1629 } else { 1630 return fNumberFormat; 1631 } 1632 } 1633 1634 //---------------------------------------------------------------------- 1635 void 1636 SimpleDateFormat::zeroPaddingNumber(NumberFormat *currentNumberFormat,UnicodeString &appendTo, 1637 int32_t value, int32_t minDigits, int32_t maxDigits) const 1638 { 1639 if (currentNumberFormat!=NULL) { 1640 FieldPosition pos(0); 1641 1642 currentNumberFormat->setMinimumIntegerDigits(minDigits); 1643 currentNumberFormat->setMaximumIntegerDigits(maxDigits); 1644 currentNumberFormat->format(value, appendTo, pos); // 3rd arg is there to speed up processing 1645 } 1646 } 1647 1648 //---------------------------------------------------------------------- 1649 1650 /** 1651 * Return true if the given format character, occuring count 1652 * times, represents a numeric field. 1653 */ 1654 UBool SimpleDateFormat::isNumeric(UChar formatChar, int32_t count) { 1655 return DateFormatSymbols::isNumericPatternChar(formatChar, count); 1656 } 1657 1658 UBool 1659 SimpleDateFormat::isAtNumericField(const UnicodeString &pattern, int32_t patternOffset) { 1660 if (patternOffset >= pattern.length()) { 1661 // not at any field 1662 return FALSE; 1663 } 1664 UChar ch = pattern.charAt(patternOffset); 1665 UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch); 1666 if (f == UDAT_FIELD_COUNT) { 1667 // not at any field 1668 return FALSE; 1669 } 1670 int32_t i = patternOffset; 1671 while (pattern.charAt(++i) == ch) {} 1672 return DateFormatSymbols::isNumericField(f, i - patternOffset); 1673 } 1674 1675 UBool 1676 SimpleDateFormat::isAfterNonNumericField(const UnicodeString &pattern, int32_t patternOffset) { 1677 if (patternOffset <= 0) { 1678 // not after any field 1679 return FALSE; 1680 } 1681 UChar ch = pattern.charAt(--patternOffset); 1682 UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch); 1683 if (f == UDAT_FIELD_COUNT) { 1684 // not after any field 1685 return FALSE; 1686 } 1687 int32_t i = patternOffset; 1688 while (pattern.charAt(--i) == ch) {} 1689 return !DateFormatSymbols::isNumericField(f, patternOffset - i); 1690 } 1691 1692 void 1693 SimpleDateFormat::parse(const UnicodeString& text, Calendar& cal, ParsePosition& parsePos) const 1694 { 1695 UErrorCode status = U_ZERO_ERROR; 1696 int32_t pos = parsePos.getIndex(); 1697 int32_t start = pos; 1698 1699 UBool ambiguousYear[] = { FALSE }; 1700 int32_t saveHebrewMonth = -1; 1701 int32_t count = 0; 1702 1703 // hack, reset tztype, cast away const 1704 ((SimpleDateFormat*)this)->tztype = UTZFMT_TIME_TYPE_UNKNOWN; 1705 1706 // For parsing abutting numeric fields. 'abutPat' is the 1707 // offset into 'pattern' of the first of 2 or more abutting 1708 // numeric fields. 'abutStart' is the offset into 'text' 1709 // where parsing the fields begins. 'abutPass' starts off as 0 1710 // and increments each time we try to parse the fields. 1711 int32_t abutPat = -1; // If >=0, we are in a run of abutting numeric fields 1712 int32_t abutStart = 0; 1713 int32_t abutPass = 0; 1714 UBool inQuote = FALSE; 1715 1716 MessageFormat * numericLeapMonthFormatter = NULL; 1717 1718 Calendar* calClone = NULL; 1719 Calendar *workCal = &cal; 1720 if (&cal != fCalendar && uprv_strcmp(cal.getType(), fCalendar->getType()) != 0) { 1721 // Different calendar type 1722 // We use the time/zone from the input calendar, but 1723 // do not use the input calendar for field calculation. 1724 calClone = fCalendar->clone(); 1725 if (calClone != NULL) { 1726 calClone->setTime(cal.getTime(status),status); 1727 if (U_FAILURE(status)) { 1728 goto ExitParse; 1729 } 1730 calClone->setTimeZone(cal.getTimeZone()); 1731 workCal = calClone; 1732 } else { 1733 status = U_MEMORY_ALLOCATION_ERROR; 1734 goto ExitParse; 1735 } 1736 } 1737 1738 if (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) { 1739 numericLeapMonthFormatter = new MessageFormat(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric], fLocale, status); 1740 if (numericLeapMonthFormatter == NULL) { 1741 status = U_MEMORY_ALLOCATION_ERROR; 1742 goto ExitParse; 1743 } else if (U_FAILURE(status)) { 1744 goto ExitParse; // this will delete numericLeapMonthFormatter 1745 } 1746 } 1747 1748 for (int32_t i=0; i<fPattern.length(); ++i) { 1749 UChar ch = fPattern.charAt(i); 1750 1751 // Handle alphabetic field characters. 1752 if (!inQuote && ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { // [A-Za-z] 1753 int32_t fieldPat = i; 1754 1755 // Count the length of this field specifier 1756 count = 1; 1757 while ((i+1)<fPattern.length() && 1758 fPattern.charAt(i+1) == ch) { 1759 ++count; 1760 ++i; 1761 } 1762 1763 if (isNumeric(ch, count)) { 1764 if (abutPat < 0) { 1765 // Determine if there is an abutting numeric field. 1766 // Record the start of a set of abutting numeric fields. 1767 if (isAtNumericField(fPattern, i + 1)) { 1768 abutPat = fieldPat; 1769 abutStart = pos; 1770 abutPass = 0; 1771 } 1772 } 1773 } else { 1774 abutPat = -1; // End of any abutting fields 1775 } 1776 1777 // Handle fields within a run of abutting numeric fields. Take 1778 // the pattern "HHmmss" as an example. We will try to parse 1779 // 2/2/2 characters of the input text, then if that fails, 1780 // 1/2/2. We only adjust the width of the leftmost field; the 1781 // others remain fixed. This allows "123456" => 12:34:56, but 1782 // "12345" => 1:23:45. Likewise, for the pattern "yyyyMMdd" we 1783 // try 4/2/2, 3/2/2, 2/2/2, and finally 1/2/2. 1784 if (abutPat >= 0) { 1785 // If we are at the start of a run of abutting fields, then 1786 // shorten this field in each pass. If we can't shorten 1787 // this field any more, then the parse of this set of 1788 // abutting numeric fields has failed. 1789 if (fieldPat == abutPat) { 1790 count -= abutPass++; 1791 if (count == 0) { 1792 status = U_PARSE_ERROR; 1793 goto ExitParse; 1794 } 1795 } 1796 1797 pos = subParse(text, pos, ch, count, 1798 TRUE, FALSE, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter); 1799 1800 // If the parse fails anywhere in the run, back up to the 1801 // start of the run and retry. 1802 if (pos < 0) { 1803 i = abutPat - 1; 1804 pos = abutStart; 1805 continue; 1806 } 1807 } 1808 1809 // Handle non-numeric fields and non-abutting numeric 1810 // fields. 1811 else if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored 1812 int32_t s = subParse(text, pos, ch, count, 1813 FALSE, TRUE, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter); 1814 1815 if (s == -pos-1) { 1816 // era not present, in special cases allow this to continue 1817 // from the position where the era was expected 1818 s = pos; 1819 1820 if (i+1 < fPattern.length()) { 1821 // move to next pattern character 1822 UChar ch = fPattern.charAt(i+1); 1823 1824 // check for whitespace 1825 if (PatternProps::isWhiteSpace(ch)) { 1826 i++; 1827 // Advance over run in pattern 1828 while ((i+1)<fPattern.length() && 1829 PatternProps::isWhiteSpace(fPattern.charAt(i+1))) { 1830 ++i; 1831 } 1832 } 1833 } 1834 } 1835 else if (s <= 0) { 1836 status = U_PARSE_ERROR; 1837 goto ExitParse; 1838 } 1839 pos = s; 1840 } 1841 } 1842 1843 // Handle literal pattern characters. These are any 1844 // quoted characters and non-alphabetic unquoted 1845 // characters. 1846 else { 1847 1848 abutPat = -1; // End of any abutting fields 1849 1850 if (! matchLiterals(fPattern, i, text, pos, getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status))) { 1851 status = U_PARSE_ERROR; 1852 goto ExitParse; 1853 } 1854 } 1855 } 1856 1857 // Special hack for trailing "." after non-numeric field. 1858 if (text.charAt(pos) == 0x2e && getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)) { 1859 // only do if the last field is not numeric 1860 if (isAfterNonNumericField(fPattern, fPattern.length())) { 1861 pos++; // skip the extra "." 1862 } 1863 } 1864 1865 // At this point the fields of Calendar have been set. Calendar 1866 // will fill in default values for missing fields when the time 1867 // is computed. 1868 1869 parsePos.setIndex(pos); 1870 1871 // This part is a problem: When we call parsedDate.after, we compute the time. 1872 // Take the date April 3 2004 at 2:30 am. When this is first set up, the year 1873 // will be wrong if we're parsing a 2-digit year pattern. It will be 1904. 1874 // April 3 1904 is a Sunday (unlike 2004) so it is the DST onset day. 2:30 am 1875 // is therefore an "impossible" time, since the time goes from 1:59 to 3:00 am 1876 // on that day. It is therefore parsed out to fields as 3:30 am. Then we 1877 // add 100 years, and get April 3 2004 at 3:30 am. Note that April 3 2004 is 1878 // a Saturday, so it can have a 2:30 am -- and it should. [LIU] 1879 /* 1880 UDate parsedDate = calendar.getTime(); 1881 if( ambiguousYear[0] && !parsedDate.after(fDefaultCenturyStart) ) { 1882 calendar.add(Calendar.YEAR, 100); 1883 parsedDate = calendar.getTime(); 1884 } 1885 */ 1886 // Because of the above condition, save off the fields in case we need to readjust. 1887 // The procedure we use here is not particularly efficient, but there is no other 1888 // way to do this given the API restrictions present in Calendar. We minimize 1889 // inefficiency by only performing this computation when it might apply, that is, 1890 // when the two-digit year is equal to the start year, and thus might fall at the 1891 // front or the back of the default century. This only works because we adjust 1892 // the year correctly to start with in other cases -- see subParse(). 1893 if (ambiguousYear[0] || tztype != UTZFMT_TIME_TYPE_UNKNOWN) // If this is true then the two-digit year == the default start year 1894 { 1895 // We need a copy of the fields, and we need to avoid triggering a call to 1896 // complete(), which will recalculate the fields. Since we can't access 1897 // the fields[] array in Calendar, we clone the entire object. This will 1898 // stop working if Calendar.clone() is ever rewritten to call complete(). 1899 Calendar *copy; 1900 if (ambiguousYear[0]) { 1901 copy = cal.clone(); 1902 // Check for failed cloning. 1903 if (copy == NULL) { 1904 status = U_MEMORY_ALLOCATION_ERROR; 1905 goto ExitParse; 1906 } 1907 UDate parsedDate = copy->getTime(status); 1908 // {sfb} check internalGetDefaultCenturyStart 1909 if (fHaveDefaultCentury && (parsedDate < fDefaultCenturyStart)) { 1910 // We can't use add here because that does a complete() first. 1911 cal.set(UCAL_YEAR, fDefaultCenturyStartYear + 100); 1912 } 1913 delete copy; 1914 } 1915 1916 if (tztype != UTZFMT_TIME_TYPE_UNKNOWN) { 1917 copy = cal.clone(); 1918 // Check for failed cloning. 1919 if (copy == NULL) { 1920 status = U_MEMORY_ALLOCATION_ERROR; 1921 goto ExitParse; 1922 } 1923 const TimeZone & tz = cal.getTimeZone(); 1924 BasicTimeZone *btz = NULL; 1925 1926 if (dynamic_cast<const OlsonTimeZone *>(&tz) != NULL 1927 || dynamic_cast<const SimpleTimeZone *>(&tz) != NULL 1928 || dynamic_cast<const RuleBasedTimeZone *>(&tz) != NULL 1929 || dynamic_cast<const VTimeZone *>(&tz) != NULL) { 1930 btz = (BasicTimeZone*)&tz; 1931 } 1932 1933 // Get local millis 1934 copy->set(UCAL_ZONE_OFFSET, 0); 1935 copy->set(UCAL_DST_OFFSET, 0); 1936 UDate localMillis = copy->getTime(status); 1937 1938 // Make sure parsed time zone type (Standard or Daylight) 1939 // matches the rule used by the parsed time zone. 1940 int32_t raw, dst; 1941 if (btz != NULL) { 1942 if (tztype == UTZFMT_TIME_TYPE_STANDARD) { 1943 btz->getOffsetFromLocal(localMillis, 1944 BasicTimeZone::kStandard, BasicTimeZone::kStandard, raw, dst, status); 1945 } else { 1946 btz->getOffsetFromLocal(localMillis, 1947 BasicTimeZone::kDaylight, BasicTimeZone::kDaylight, raw, dst, status); 1948 } 1949 } else { 1950 // No good way to resolve ambiguous time at transition, 1951 // but following code work in most case. 1952 tz.getOffset(localMillis, TRUE, raw, dst, status); 1953 } 1954 1955 // Now, compare the results with parsed type, either standard or daylight saving time 1956 int32_t resolvedSavings = dst; 1957 if (tztype == UTZFMT_TIME_TYPE_STANDARD) { 1958 if (dst != 0) { 1959 // Override DST_OFFSET = 0 in the result calendar 1960 resolvedSavings = 0; 1961 } 1962 } else { // tztype == TZTYPE_DST 1963 if (dst == 0) { 1964 if (btz != NULL) { 1965 UDate time = localMillis + raw; 1966 // We use the nearest daylight saving time rule. 1967 TimeZoneTransition beforeTrs, afterTrs; 1968 UDate beforeT = time, afterT = time; 1969 int32_t beforeSav = 0, afterSav = 0; 1970 UBool beforeTrsAvail, afterTrsAvail; 1971 1972 // Search for DST rule before or on the time 1973 while (TRUE) { 1974 beforeTrsAvail = btz->getPreviousTransition(beforeT, TRUE, beforeTrs); 1975 if (!beforeTrsAvail) { 1976 break; 1977 } 1978 beforeT = beforeTrs.getTime() - 1; 1979 beforeSav = beforeTrs.getFrom()->getDSTSavings(); 1980 if (beforeSav != 0) { 1981 break; 1982 } 1983 } 1984 1985 // Search for DST rule after the time 1986 while (TRUE) { 1987 afterTrsAvail = btz->getNextTransition(afterT, FALSE, afterTrs); 1988 if (!afterTrsAvail) { 1989 break; 1990 } 1991 afterT = afterTrs.getTime(); 1992 afterSav = afterTrs.getTo()->getDSTSavings(); 1993 if (afterSav != 0) { 1994 break; 1995 } 1996 } 1997 1998 if (beforeTrsAvail && afterTrsAvail) { 1999 if (time - beforeT > afterT - time) { 2000 resolvedSavings = afterSav; 2001 } else { 2002 resolvedSavings = beforeSav; 2003 } 2004 } else if (beforeTrsAvail && beforeSav != 0) { 2005 resolvedSavings = beforeSav; 2006 } else if (afterTrsAvail && afterSav != 0) { 2007 resolvedSavings = afterSav; 2008 } else { 2009 resolvedSavings = btz->getDSTSavings(); 2010 } 2011 } else { 2012 resolvedSavings = tz.getDSTSavings(); 2013 } 2014 if (resolvedSavings == 0) { 2015 // final fallback 2016 resolvedSavings = U_MILLIS_PER_HOUR; 2017 } 2018 } 2019 } 2020 cal.set(UCAL_ZONE_OFFSET, raw); 2021 cal.set(UCAL_DST_OFFSET, resolvedSavings); 2022 delete copy; 2023 } 2024 } 2025 ExitParse: 2026 // Set the parsed result if local calendar is used 2027 // instead of the input calendar 2028 if (U_SUCCESS(status) && workCal != &cal) { 2029 cal.setTimeZone(workCal->getTimeZone()); 2030 cal.setTime(workCal->getTime(status), status); 2031 } 2032 2033 if (numericLeapMonthFormatter != NULL) { 2034 delete numericLeapMonthFormatter; 2035 } 2036 if (calClone != NULL) { 2037 delete calClone; 2038 } 2039 2040 // If any Calendar calls failed, we pretend that we 2041 // couldn't parse the string, when in reality this isn't quite accurate-- 2042 // we did parse it; the Calendar calls just failed. 2043 if (U_FAILURE(status)) { 2044 parsePos.setErrorIndex(pos); 2045 parsePos.setIndex(start); 2046 } 2047 } 2048 2049 //---------------------------------------------------------------------- 2050 2051 static UBool 2052 newBestMatchWithOptionalDot(const UnicodeString &lcaseText, 2053 const UnicodeString &data, 2054 UnicodeString &bestMatchName, 2055 int32_t &bestMatchLength); 2056 2057 int32_t SimpleDateFormat::matchQuarterString(const UnicodeString& text, 2058 int32_t start, 2059 UCalendarDateFields field, 2060 const UnicodeString* data, 2061 int32_t dataCount, 2062 Calendar& cal) const 2063 { 2064 int32_t i = 0; 2065 int32_t count = dataCount; 2066 2067 // There may be multiple strings in the data[] array which begin with 2068 // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech). 2069 // We keep track of the longest match, and return that. Note that this 2070 // unfortunately requires us to test all array elements. 2071 int32_t bestMatchLength = 0, bestMatch = -1; 2072 UnicodeString bestMatchName; 2073 2074 // {sfb} kludge to support case-insensitive comparison 2075 // {markus 2002oct11} do not just use caseCompareBetween because we do not know 2076 // the length of the match after case folding 2077 // {alan 20040607} don't case change the whole string, since the length 2078 // can change 2079 // TODO we need a case-insensitive startsWith function 2080 UnicodeString lcaseText; 2081 text.extract(start, INT32_MAX, lcaseText); 2082 lcaseText.foldCase(); 2083 2084 for (; i < count; ++i) 2085 { 2086 // Always compare if we have no match yet; otherwise only compare 2087 // against potentially better matches (longer strings). 2088 2089 if (newBestMatchWithOptionalDot(lcaseText, data[i], bestMatchName, bestMatchLength)) { 2090 bestMatch = i; 2091 } 2092 } 2093 if (bestMatch >= 0) 2094 { 2095 cal.set(field, bestMatch * 3); 2096 2097 // Once we have a match, we have to determine the length of the 2098 // original source string. This will usually be == the length of 2099 // the case folded string, but it may differ (e.g. sharp s). 2100 2101 // Most of the time, the length will be the same as the length 2102 // of the string from the locale data. Sometimes it will be 2103 // different, in which case we will have to figure it out by 2104 // adding a character at a time, until we have a match. We do 2105 // this all in one loop, where we try 'len' first (at index 2106 // i==0). 2107 int32_t len = bestMatchName.length(); // 99+% of the time 2108 int32_t n = text.length() - start; 2109 for (i=0; i<=n; ++i) { 2110 int32_t j=i; 2111 if (i == 0) { 2112 j = len; 2113 } else if (i == len) { 2114 continue; // already tried this when i was 0 2115 } 2116 text.extract(start, j, lcaseText); 2117 lcaseText.foldCase(); 2118 if (bestMatchName == lcaseText) { 2119 return start + j; 2120 } 2121 } 2122 } 2123 2124 return -start; 2125 } 2126 2127 //---------------------------------------------------------------------- 2128 UBool SimpleDateFormat::matchLiterals(const UnicodeString &pattern, 2129 int32_t &patternOffset, 2130 const UnicodeString &text, 2131 int32_t &textOffset, 2132 UBool lenient) 2133 { 2134 UBool inQuote = FALSE; 2135 UnicodeString literal; 2136 int32_t i = patternOffset; 2137 2138 // scan pattern looking for contiguous literal characters 2139 for ( ; i < pattern.length(); i += 1) { 2140 UChar ch = pattern.charAt(i); 2141 2142 if (!inQuote && ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { // unquoted [A-Za-z] 2143 break; 2144 } 2145 2146 if (ch == QUOTE) { 2147 // Match a quote literal ('') inside OR outside of quotes 2148 if ((i + 1) < pattern.length() && pattern.charAt(i + 1) == QUOTE) { 2149 i += 1; 2150 } else { 2151 inQuote = !inQuote; 2152 continue; 2153 } 2154 } 2155 2156 literal += ch; 2157 } 2158 2159 // at this point, literal contains the literal text 2160 // and i is the index of the next non-literal pattern character. 2161 int32_t p; 2162 int32_t t = textOffset; 2163 2164 if (lenient) { 2165 // trim leading, trailing whitespace from 2166 // the literal text 2167 literal.trim(); 2168 2169 // ignore any leading whitespace in the text 2170 while (t < text.length() && u_isWhitespace(text.charAt(t))) { 2171 t += 1; 2172 } 2173 } 2174 2175 for (p = 0; p < literal.length() && t < text.length();) { 2176 UBool needWhitespace = FALSE; 2177 2178 while (p < literal.length() && PatternProps::isWhiteSpace(literal.charAt(p))) { 2179 needWhitespace = TRUE; 2180 p += 1; 2181 } 2182 2183 if (needWhitespace) { 2184 int32_t tStart = t; 2185 2186 while (t < text.length()) { 2187 UChar tch = text.charAt(t); 2188 2189 if (!u_isUWhiteSpace(tch) && !PatternProps::isWhiteSpace(tch)) { 2190 break; 2191 } 2192 2193 t += 1; 2194 } 2195 2196 // TODO: should we require internal spaces 2197 // in lenient mode? (There won't be any 2198 // leading or trailing spaces) 2199 if (!lenient && t == tStart) { 2200 // didn't find matching whitespace: 2201 // an error in strict mode 2202 return FALSE; 2203 } 2204 2205 // In strict mode, this run of whitespace 2206 // may have been at the end. 2207 if (p >= literal.length()) { 2208 break; 2209 } 2210 } 2211 2212 if (t >= text.length() || literal.charAt(p) != text.charAt(t)) { 2213 // Ran out of text, or found a non-matching character: 2214 // OK in lenient mode, an error in strict mode. 2215 if (lenient) { 2216 if (t == textOffset && text.charAt(t) == 0x2e && 2217 isAfterNonNumericField(pattern, patternOffset)) { 2218 // Lenient mode and the literal input text begins with a "." and 2219 // we are after a non-numeric field: We skip the "." 2220 ++t; 2221 continue; // Do not update p. 2222 } 2223 break; 2224 } 2225 2226 return FALSE; 2227 } 2228 ++p; 2229 ++t; 2230 } 2231 2232 // At this point if we're in strict mode we have a complete match. 2233 // If we're in lenient mode we may have a partial match, or no 2234 // match at all. 2235 if (p <= 0) { 2236 // no match. Pretend it matched a run of whitespace 2237 // and ignorables in the text. 2238 const UnicodeSet *ignorables = NULL; 2239 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(pattern.charAt(i)); 2240 if (patternCharIndex != UDAT_FIELD_COUNT) { 2241 ignorables = SimpleDateFormatStaticSets::getIgnorables(patternCharIndex); 2242 } 2243 2244 for (t = textOffset; t < text.length(); t += 1) { 2245 UChar ch = text.charAt(t); 2246 2247 if (ignorables == NULL || !ignorables->contains(ch)) { 2248 break; 2249 } 2250 } 2251 } 2252 2253 // if we get here, we've got a complete match. 2254 patternOffset = i - 1; 2255 textOffset = t; 2256 2257 return TRUE; 2258 } 2259 2260 //---------------------------------------------------------------------- 2261 2262 int32_t SimpleDateFormat::matchString(const UnicodeString& text, 2263 int32_t start, 2264 UCalendarDateFields field, 2265 const UnicodeString* data, 2266 int32_t dataCount, 2267 const UnicodeString* monthPattern, 2268 Calendar& cal) const 2269 { 2270 int32_t i = 0; 2271 int32_t count = dataCount; 2272 2273 if (field == UCAL_DAY_OF_WEEK) i = 1; 2274 2275 // There may be multiple strings in the data[] array which begin with 2276 // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech). 2277 // We keep track of the longest match, and return that. Note that this 2278 // unfortunately requires us to test all array elements. 2279 int32_t bestMatchLength = 0, bestMatch = -1; 2280 UnicodeString bestMatchName; 2281 int32_t isLeapMonth = 0; 2282 2283 // {sfb} kludge to support case-insensitive comparison 2284 // {markus 2002oct11} do not just use caseCompareBetween because we do not know 2285 // the length of the match after case folding 2286 // {alan 20040607} don't case change the whole string, since the length 2287 // can change 2288 // TODO we need a case-insensitive startsWith function 2289 UnicodeString lcaseText; 2290 text.extract(start, INT32_MAX, lcaseText); 2291 lcaseText.foldCase(); 2292 2293 for (; i < count; ++i) 2294 { 2295 // Always compare if we have no match yet; otherwise only compare 2296 // against potentially better matches (longer strings). 2297 2298 if (newBestMatchWithOptionalDot(lcaseText, data[i], bestMatchName, bestMatchLength)) { 2299 bestMatch = i; 2300 isLeapMonth = 0; 2301 } 2302 2303 if (monthPattern != NULL) { 2304 UErrorCode status = U_ZERO_ERROR; 2305 UnicodeString leapMonthName; 2306 Formattable monthName((const UnicodeString&)(data[i])); 2307 MessageFormat::format(*monthPattern, &monthName, 1, leapMonthName, status); 2308 if (U_SUCCESS(status)) { 2309 if (newBestMatchWithOptionalDot(lcaseText, leapMonthName, bestMatchName, bestMatchLength)) { 2310 bestMatch = i; 2311 isLeapMonth = 1; 2312 } 2313 } 2314 } 2315 } 2316 if (bestMatch >= 0) 2317 { 2318 // Adjustment for Hebrew Calendar month Adar II 2319 if (!strcmp(cal.getType(),"hebrew") && field==UCAL_MONTH && bestMatch==13) { 2320 cal.set(field,6); 2321 } 2322 else { 2323 if (field == UCAL_YEAR) { 2324 bestMatch++; // only get here for cyclic year names, which match 1-based years 1-60 2325 } 2326 cal.set(field, bestMatch); 2327 } 2328 if (monthPattern != NULL) { 2329 cal.set(UCAL_IS_LEAP_MONTH, isLeapMonth); 2330 } 2331 2332 // Once we have a match, we have to determine the length of the 2333 // original source string. This will usually be == the length of 2334 // the case folded string, but it may differ (e.g. sharp s). 2335 2336 // Most of the time, the length will be the same as the length 2337 // of the string from the locale data. Sometimes it will be 2338 // different, in which case we will have to figure it out by 2339 // adding a character at a time, until we have a match. We do 2340 // this all in one loop, where we try 'len' first (at index 2341 // i==0). 2342 int32_t len = bestMatchName.length(); // 99+% of the time 2343 int32_t n = text.length() - start; 2344 for (i=0; i<=n; ++i) { 2345 int32_t j=i; 2346 if (i == 0) { 2347 j = len; 2348 } else if (i == len) { 2349 continue; // already tried this when i was 0 2350 } 2351 text.extract(start, j, lcaseText); 2352 lcaseText.foldCase(); 2353 if (bestMatchName == lcaseText) { 2354 return start + j; 2355 } 2356 } 2357 } 2358 2359 return -start; 2360 } 2361 2362 static UBool 2363 newBestMatchWithOptionalDot(const UnicodeString &lcaseText, 2364 const UnicodeString &data, 2365 UnicodeString &bestMatchName, 2366 int32_t &bestMatchLength) { 2367 UnicodeString lcase; 2368 lcase.fastCopyFrom(data).foldCase(); 2369 int32_t length = lcase.length(); 2370 if (length <= bestMatchLength) { 2371 // data cannot provide a better match. 2372 return FALSE; 2373 } 2374 2375 if (lcaseText.compareBetween(0, length, lcase, 0, length) == 0) { 2376 // normal match 2377 bestMatchName = lcase; 2378 bestMatchLength = length; 2379 return TRUE; 2380 } 2381 if (lcase.charAt(--length) == 0x2e) { 2382 if (lcaseText.compareBetween(0, length, lcase, 0, length) == 0) { 2383 // The input text matches the data except for data's trailing dot. 2384 bestMatchName = lcase; 2385 bestMatchName.truncate(length); 2386 bestMatchLength = length; 2387 return TRUE; 2388 } 2389 } 2390 return FALSE; 2391 } 2392 2393 //---------------------------------------------------------------------- 2394 2395 void 2396 SimpleDateFormat::set2DigitYearStart(UDate d, UErrorCode& status) 2397 { 2398 parseAmbiguousDatesAsAfter(d, status); 2399 } 2400 2401 /** 2402 * Private member function that converts the parsed date strings into 2403 * timeFields. Returns -start (for ParsePosition) if failed. 2404 * @param text the time text to be parsed. 2405 * @param start where to start parsing. 2406 * @param ch the pattern character for the date field text to be parsed. 2407 * @param count the count of a pattern character. 2408 * @return the new start position if matching succeeded; a negative number 2409 * indicating matching failure, otherwise. 2410 */ 2411 int32_t SimpleDateFormat::subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count, 2412 UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], int32_t& saveHebrewMonth, Calendar& cal, 2413 int32_t patLoc, MessageFormat * numericLeapMonthFormatter) const 2414 { 2415 Formattable number; 2416 int32_t value = 0; 2417 int32_t i; 2418 int32_t ps = 0; 2419 UErrorCode status = U_ZERO_ERROR; 2420 ParsePosition pos(0); 2421 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch); 2422 NumberFormat *currentNumberFormat; 2423 UnicodeString temp; 2424 UBool gotNumber = FALSE; 2425 2426 #if defined (U_DEBUG_CAL) 2427 //fprintf(stderr, "%s:%d - [%c] st=%d \n", __FILE__, __LINE__, (char) ch, start); 2428 #endif 2429 2430 if (patternCharIndex == UDAT_FIELD_COUNT) { 2431 return -start; 2432 } 2433 2434 currentNumberFormat = getNumberFormatByIndex(patternCharIndex); 2435 UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; 2436 UnicodeString hebr("hebr", 4, US_INV); 2437 2438 if (numericLeapMonthFormatter != NULL) { 2439 numericLeapMonthFormatter->setFormats((const Format **)¤tNumberFormat, 1); 2440 } 2441 UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 0 || uprv_strcmp(cal.getType(),"dangi") == 0); 2442 2443 // If there are any spaces here, skip over them. If we hit the end 2444 // of the string, then fail. 2445 for (;;) { 2446 if (start >= text.length()) { 2447 return -start; 2448 } 2449 UChar32 c = text.char32At(start); 2450 if (!u_isUWhiteSpace(c) /*||*/ && !PatternProps::isWhiteSpace(c)) { 2451 break; 2452 } 2453 start += U16_LENGTH(c); 2454 } 2455 pos.setIndex(start); 2456 2457 // We handle a few special cases here where we need to parse 2458 // a number value. We handle further, more generic cases below. We need 2459 // to handle some of them here because some fields require extra processing on 2460 // the parsed value. 2461 if (patternCharIndex == UDAT_HOUR_OF_DAY1_FIELD || // k 2462 patternCharIndex == UDAT_HOUR_OF_DAY0_FIELD || // H 2463 patternCharIndex == UDAT_HOUR1_FIELD || // h 2464 patternCharIndex == UDAT_HOUR0_FIELD || // K 2465 (patternCharIndex == UDAT_DOW_LOCAL_FIELD && count <= 2) || // e 2466 (patternCharIndex == UDAT_STANDALONE_DAY_FIELD && count <= 2) || // c 2467 (patternCharIndex == UDAT_MONTH_FIELD && count <= 2) || // M 2468 (patternCharIndex == UDAT_STANDALONE_MONTH_FIELD && count <= 2) || // L 2469 (patternCharIndex == UDAT_QUARTER_FIELD && count <= 2) || // Q 2470 (patternCharIndex == UDAT_STANDALONE_QUARTER_FIELD && count <= 2) || // q 2471 patternCharIndex == UDAT_YEAR_FIELD || // y 2472 patternCharIndex == UDAT_YEAR_WOY_FIELD || // Y 2473 patternCharIndex == UDAT_YEAR_NAME_FIELD || // U (falls back to numeric) 2474 (patternCharIndex == UDAT_ERA_FIELD && isChineseCalendar) || // G 2475 patternCharIndex == UDAT_FRACTIONAL_SECOND_FIELD) // S 2476 { 2477 int32_t parseStart = pos.getIndex(); 2478 // It would be good to unify this with the obeyCount logic below, 2479 // but that's going to be difficult. 2480 const UnicodeString* src; 2481 2482 UBool parsedNumericLeapMonth = FALSE; 2483 if (numericLeapMonthFormatter != NULL && (patternCharIndex == UDAT_MONTH_FIELD || patternCharIndex == UDAT_STANDALONE_MONTH_FIELD)) { 2484 int32_t argCount; 2485 Formattable * args = numericLeapMonthFormatter->parse(text, pos, argCount); 2486 if (args != NULL && argCount == 1 && pos.getIndex() > parseStart && args[0].isNumeric()) { 2487 parsedNumericLeapMonth = TRUE; 2488 number.setLong(args[0].getLong()); 2489 cal.set(UCAL_IS_LEAP_MONTH, 1); 2490 delete[] args; 2491 } else { 2492 pos.setIndex(parseStart); 2493 cal.set(UCAL_IS_LEAP_MONTH, 0); 2494 } 2495 } 2496 2497 if (!parsedNumericLeapMonth) { 2498 if (obeyCount) { 2499 if ((start+count) > text.length()) { 2500 return -start; 2501 } 2502 2503 text.extractBetween(0, start + count, temp); 2504 src = &temp; 2505 } else { 2506 src = &text; 2507 } 2508 2509 parseInt(*src, number, pos, allowNegative,currentNumberFormat); 2510 } 2511 2512 int32_t txtLoc = pos.getIndex(); 2513 2514 if (txtLoc > parseStart) { 2515 value = number.getLong(); 2516 gotNumber = TRUE; 2517 2518 // suffix processing 2519 if (value < 0 ) { 2520 txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, TRUE); 2521 if (txtLoc != pos.getIndex()) { 2522 value *= -1; 2523 } 2524 } 2525 else { 2526 txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, FALSE); 2527 } 2528 2529 if (!getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)) { 2530 // Check the range of the value 2531 int32_t bias = gFieldRangeBias[patternCharIndex]; 2532 if (bias >= 0 && (value > cal.getMaximum(field) + bias || value < cal.getMinimum(field) + bias)) { 2533 return -start; 2534 } 2535 } 2536 2537 pos.setIndex(txtLoc); 2538 } 2539 } 2540 2541 // Make sure that we got a number if 2542 // we want one, and didn't get one 2543 // if we don't want one. 2544 switch (patternCharIndex) { 2545 case UDAT_HOUR_OF_DAY1_FIELD: 2546 case UDAT_HOUR_OF_DAY0_FIELD: 2547 case UDAT_HOUR1_FIELD: 2548 case UDAT_HOUR0_FIELD: 2549 // special range check for hours: 2550 if (value < 0 || value > 24) { 2551 return -start; 2552 } 2553 2554 // fall through to gotNumber check 2555 2556 case UDAT_YEAR_FIELD: 2557 case UDAT_YEAR_WOY_FIELD: 2558 case UDAT_FRACTIONAL_SECOND_FIELD: 2559 // these must be a number 2560 if (! gotNumber) { 2561 return -start; 2562 } 2563 2564 break; 2565 2566 default: 2567 // we check the rest of the fields below. 2568 break; 2569 } 2570 2571 switch (patternCharIndex) { 2572 case UDAT_ERA_FIELD: 2573 if (isChineseCalendar) { 2574 if (!gotNumber) { 2575 return -start; 2576 } 2577 cal.set(UCAL_ERA, value); 2578 return pos.getIndex(); 2579 } 2580 if (count == 5) { 2581 ps = matchString(text, start, UCAL_ERA, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount, NULL, cal); 2582 } else if (count == 4) { 2583 ps = matchString(text, start, UCAL_ERA, fSymbols->fEraNames, fSymbols->fEraNamesCount, NULL, cal); 2584 } else { 2585 ps = matchString(text, start, UCAL_ERA, fSymbols->fEras, fSymbols->fErasCount, NULL, cal); 2586 } 2587 2588 // check return position, if it equals -start, then matchString error 2589 // special case the return code so we don't necessarily fail out until we 2590 // verify no year information also 2591 if (ps == -start) 2592 ps--; 2593 2594 return ps; 2595 2596 case UDAT_YEAR_FIELD: 2597 // If there are 3 or more YEAR pattern characters, this indicates 2598 // that the year value is to be treated literally, without any 2599 // two-digit year adjustments (e.g., from "01" to 2001). Otherwise 2600 // we made adjustments to place the 2-digit year in the proper 2601 // century, for parsed strings from "00" to "99". Any other string 2602 // is treated literally: "2250", "-1", "1", "002". 2603 if (fDateOverride.compare(hebr)==0 && value < 1000) { 2604 value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR; 2605 } else if ((pos.getIndex() - start) == 2 && !isChineseCalendar 2606 && u_isdigit(text.charAt(start)) 2607 && u_isdigit(text.charAt(start+1))) 2608 { 2609 // only adjust year for patterns less than 3. 2610 if(count < 3) { 2611 // Assume for example that the defaultCenturyStart is 6/18/1903. 2612 // This means that two-digit years will be forced into the range 2613 // 6/18/1903 to 6/17/2003. As a result, years 00, 01, and 02 2614 // correspond to 2000, 2001, and 2002. Years 04, 05, etc. correspond 2615 // to 1904, 1905, etc. If the year is 03, then it is 2003 if the 2616 // other fields specify a date before 6/18, or 1903 if they specify a 2617 // date afterwards. As a result, 03 is an ambiguous year. All other 2618 // two-digit years are unambiguous. 2619 if(fHaveDefaultCentury) { // check if this formatter even has a pivot year 2620 int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100; 2621 ambiguousYear[0] = (value == ambiguousTwoDigitYear); 2622 value += (fDefaultCenturyStartYear/100)*100 + 2623 (value < ambiguousTwoDigitYear ? 100 : 0); 2624 } 2625 } 2626 } 2627 cal.set(UCAL_YEAR, value); 2628 2629 // Delayed checking for adjustment of Hebrew month numbers in non-leap years. 2630 if (saveHebrewMonth >= 0) { 2631 HebrewCalendar *hc = (HebrewCalendar*)&cal; 2632 if (!hc->isLeapYear(value) && saveHebrewMonth >= 6) { 2633 cal.set(UCAL_MONTH,saveHebrewMonth); 2634 } else { 2635 cal.set(UCAL_MONTH,saveHebrewMonth-1); 2636 } 2637 saveHebrewMonth = -1; 2638 } 2639 return pos.getIndex(); 2640 2641 case UDAT_YEAR_WOY_FIELD: 2642 // Comment is the same as for UDAT_Year_FIELDs - look above 2643 if (fDateOverride.compare(hebr)==0 && value < 1000) { 2644 value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR; 2645 } else if ((pos.getIndex() - start) == 2 2646 && u_isdigit(text.charAt(start)) 2647 && u_isdigit(text.charAt(start+1)) 2648 && fHaveDefaultCentury ) 2649 { 2650 int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100; 2651 ambiguousYear[0] = (value == ambiguousTwoDigitYear); 2652 value += (fDefaultCenturyStartYear/100)*100 + 2653 (value < ambiguousTwoDigitYear ? 100 : 0); 2654 } 2655 cal.set(UCAL_YEAR_WOY, value); 2656 return pos.getIndex(); 2657 2658 case UDAT_YEAR_NAME_FIELD: 2659 if (fSymbols->fShortYearNames != NULL) { 2660 int32_t newStart = matchString(text, start, UCAL_YEAR, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount, NULL, cal); 2661 if (newStart > 0) { 2662 return newStart; 2663 } 2664 } 2665 if (gotNumber && (getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC,status) || value > fSymbols->fShortYearNamesCount)) { 2666 cal.set(UCAL_YEAR, value); 2667 return pos.getIndex(); 2668 } 2669 return -start; 2670 2671 case UDAT_MONTH_FIELD: 2672 case UDAT_STANDALONE_MONTH_FIELD: 2673 if (gotNumber) // i.e., M or MM. 2674 { 2675 // When parsing month numbers from the Hebrew Calendar, we might need to adjust the month depending on whether 2676 // 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 2677 // the year is parsed. 2678 if (!strcmp(cal.getType(),"hebrew")) { 2679 HebrewCalendar *hc = (HebrewCalendar*)&cal; 2680 if (cal.isSet(UCAL_YEAR)) { 2681 UErrorCode status = U_ZERO_ERROR; 2682 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6) { 2683 cal.set(UCAL_MONTH, value); 2684 } else { 2685 cal.set(UCAL_MONTH, value - 1); 2686 } 2687 } else { 2688 saveHebrewMonth = value; 2689 } 2690 } else { 2691 // Don't want to parse the month if it is a string 2692 // while pattern uses numeric style: M/MM, L/LL 2693 // [We computed 'value' above.] 2694 cal.set(UCAL_MONTH, value - 1); 2695 } 2696 return pos.getIndex(); 2697 } else { 2698 // count >= 3 // i.e., MMM/MMMM, LLL/LLLL 2699 // Want to be able to parse both short and long forms. 2700 // Try count == 4 first: 2701 UnicodeString * wideMonthPat = NULL; 2702 UnicodeString * shortMonthPat = NULL; 2703 if (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) { 2704 if (patternCharIndex==UDAT_MONTH_FIELD) { 2705 wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide]; 2706 shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev]; 2707 } else { 2708 wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]; 2709 shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]; 2710 } 2711 } 2712 int32_t newStart = 0; 2713 if (patternCharIndex==UDAT_MONTH_FIELD) { 2714 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fMonths, fSymbols->fMonthsCount, wideMonthPat, cal); // try MMMM 2715 if (newStart > 0) { 2716 return newStart; 2717 } 2718 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, shortMonthPat, cal); // try MMM 2719 } else { 2720 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, wideMonthPat, cal); // try LLLL 2721 if (newStart > 0) { 2722 return newStart; 2723 } 2724 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, shortMonthPat, cal); // try LLL 2725 } 2726 if (newStart > 0 || !getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) // currently we do not try to parse MMMMM/LLLLL: #8860 2727 return newStart; 2728 // else we allowing parsing as number, below 2729 } 2730 break; 2731 2732 case UDAT_HOUR_OF_DAY1_FIELD: 2733 // [We computed 'value' above.] 2734 if (value == cal.getMaximum(UCAL_HOUR_OF_DAY) + 1) 2735 value = 0; 2736 2737 // fall through to set field 2738 2739 case UDAT_HOUR_OF_DAY0_FIELD: 2740 cal.set(UCAL_HOUR_OF_DAY, value); 2741 return pos.getIndex(); 2742 2743 case UDAT_FRACTIONAL_SECOND_FIELD: 2744 // Fractional seconds left-justify 2745 i = pos.getIndex() - start; 2746 if (i < 3) { 2747 while (i < 3) { 2748 value *= 10; 2749 i++; 2750 } 2751 } else { 2752 int32_t a = 1; 2753 while (i > 3) { 2754 a *= 10; 2755 i--; 2756 } 2757 value /= a; 2758 } 2759 cal.set(UCAL_MILLISECOND, value); 2760 return pos.getIndex(); 2761 2762 case UDAT_DOW_LOCAL_FIELD: 2763 if (gotNumber) // i.e., e or ee 2764 { 2765 // [We computed 'value' above.] 2766 cal.set(UCAL_DOW_LOCAL, value); 2767 return pos.getIndex(); 2768 } 2769 // else for eee-eeeee fall through to handling of EEE-EEEEE 2770 // fall through, do not break here 2771 case UDAT_DAY_OF_WEEK_FIELD: 2772 { 2773 // Want to be able to parse both short and long forms. 2774 // Try count == 4 (EEEE) wide first: 2775 int32_t newStart = 0; 2776 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2777 fSymbols->fWeekdays, fSymbols->fWeekdaysCount, NULL, cal)) > 0) 2778 return newStart; 2779 // EEEE wide failed, now try EEE abbreviated 2780 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2781 fSymbols->fShortWeekdays, fSymbols->fShortWeekdaysCount, NULL, cal)) > 0) 2782 return newStart; 2783 // EEE abbreviated failed, now try EEEEEE short 2784 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2785 fSymbols->fShorterWeekdays, fSymbols->fShorterWeekdaysCount, NULL, cal)) > 0) 2786 return newStart; 2787 // EEEEEE short failed, now try EEEEE narrow 2788 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2789 fSymbols->fNarrowWeekdays, fSymbols->fNarrowWeekdaysCount, NULL, cal)) > 0) 2790 return newStart; 2791 else if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status) || patternCharIndex == UDAT_DAY_OF_WEEK_FIELD) 2792 return newStart; 2793 // else we allowing parsing as number, below 2794 } 2795 break; 2796 2797 case UDAT_STANDALONE_DAY_FIELD: 2798 { 2799 if (gotNumber) // c or cc 2800 { 2801 // [We computed 'value' above.] 2802 cal.set(UCAL_DOW_LOCAL, value); 2803 return pos.getIndex(); 2804 } 2805 // Want to be able to parse both short and long forms. 2806 // Try count == 4 (cccc) first: 2807 int32_t newStart = 0; 2808 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2809 fSymbols->fStandaloneWeekdays, fSymbols->fStandaloneWeekdaysCount, NULL, cal)) > 0) 2810 return newStart; 2811 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2812 fSymbols->fStandaloneShortWeekdays, fSymbols->fStandaloneShortWeekdaysCount, NULL, cal)) > 0) 2813 return newStart; 2814 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2815 fSymbols->fStandaloneShorterWeekdays, fSymbols->fStandaloneShorterWeekdaysCount, NULL, cal)) > 0) 2816 return newStart; 2817 else if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) 2818 return newStart; 2819 // else we allowing parsing as number, below 2820 } 2821 break; 2822 2823 case UDAT_AM_PM_FIELD: 2824 return matchString(text, start, UCAL_AM_PM, fSymbols->fAmPms, fSymbols->fAmPmsCount, NULL, cal); 2825 2826 case UDAT_HOUR1_FIELD: 2827 // [We computed 'value' above.] 2828 if (value == cal.getLeastMaximum(UCAL_HOUR)+1) 2829 value = 0; 2830 2831 // fall through to set field 2832 2833 case UDAT_HOUR0_FIELD: 2834 cal.set(UCAL_HOUR, value); 2835 return pos.getIndex(); 2836 2837 case UDAT_QUARTER_FIELD: 2838 if (gotNumber) // i.e., Q or QQ. 2839 { 2840 // Don't want to parse the month if it is a string 2841 // while pattern uses numeric style: Q or QQ. 2842 // [We computed 'value' above.] 2843 cal.set(UCAL_MONTH, (value - 1) * 3); 2844 return pos.getIndex(); 2845 } else { 2846 // count >= 3 // i.e., QQQ or QQQQ 2847 // Want to be able to parse both short and long forms. 2848 // Try count == 4 first: 2849 int32_t newStart = 0; 2850 2851 if ((newStart = matchQuarterString(text, start, UCAL_MONTH, 2852 fSymbols->fQuarters, fSymbols->fQuartersCount, cal)) > 0) 2853 return newStart; 2854 else if ((newStart = matchQuarterString(text, start, UCAL_MONTH, 2855 fSymbols->fShortQuarters, fSymbols->fShortQuartersCount, cal)) > 0) 2856 return newStart; 2857 else if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) 2858 return newStart; 2859 // else we allowing parsing as number, below 2860 } 2861 break; 2862 2863 case UDAT_STANDALONE_QUARTER_FIELD: 2864 if (gotNumber) // i.e., q or qq. 2865 { 2866 // Don't want to parse the month if it is a string 2867 // while pattern uses numeric style: q or q. 2868 // [We computed 'value' above.] 2869 cal.set(UCAL_MONTH, (value - 1) * 3); 2870 return pos.getIndex(); 2871 } else { 2872 // count >= 3 // i.e., qqq or qqqq 2873 // Want to be able to parse both short and long forms. 2874 // Try count == 4 first: 2875 int32_t newStart = 0; 2876 2877 if ((newStart = matchQuarterString(text, start, UCAL_MONTH, 2878 fSymbols->fStandaloneQuarters, fSymbols->fStandaloneQuartersCount, cal)) > 0) 2879 return newStart; 2880 else if ((newStart = matchQuarterString(text, start, UCAL_MONTH, 2881 fSymbols->fStandaloneShortQuarters, fSymbols->fStandaloneShortQuartersCount, cal)) > 0) 2882 return newStart; 2883 else if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) 2884 return newStart; 2885 // else we allowing parsing as number, below 2886 } 2887 break; 2888 2889 case UDAT_TIMEZONE_FIELD: // 'z' 2890 { 2891 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; 2892 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_SPECIFIC_SHORT : UTZFMT_STYLE_SPECIFIC_LONG; 2893 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); 2894 if (tz != NULL) { 2895 ((SimpleDateFormat*)this)->tztype = tzTimeType; 2896 cal.adoptTimeZone(tz); 2897 return pos.getIndex(); 2898 } 2899 } 2900 break; 2901 case UDAT_TIMEZONE_RFC_FIELD: // 'Z' 2902 { 2903 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; 2904 UTimeZoneFormatStyle style = (count < 4) ? 2905 UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL : ((count == 5) ? UTZFMT_STYLE_ISO_EXTENDED_FULL: UTZFMT_STYLE_LOCALIZED_GMT); 2906 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); 2907 if (tz != NULL) { 2908 ((SimpleDateFormat*)this)->tztype = tzTimeType; 2909 cal.adoptTimeZone(tz); 2910 return pos.getIndex(); 2911 } 2912 return -start; 2913 } 2914 case UDAT_TIMEZONE_GENERIC_FIELD: // 'v' 2915 { 2916 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; 2917 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_GENERIC_SHORT : UTZFMT_STYLE_GENERIC_LONG; 2918 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); 2919 if (tz != NULL) { 2920 ((SimpleDateFormat*)this)->tztype = tzTimeType; 2921 cal.adoptTimeZone(tz); 2922 return pos.getIndex(); 2923 } 2924 return -start; 2925 } 2926 case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V' 2927 { 2928 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; 2929 UTimeZoneFormatStyle style; 2930 switch (count) { 2931 case 1: 2932 style = UTZFMT_STYLE_ZONE_ID_SHORT; 2933 break; 2934 case 2: 2935 style = UTZFMT_STYLE_ZONE_ID; 2936 break; 2937 case 3: 2938 style = UTZFMT_STYLE_EXEMPLAR_LOCATION; 2939 break; 2940 default: 2941 style = UTZFMT_STYLE_GENERIC_LOCATION; 2942 break; 2943 } 2944 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); 2945 if (tz != NULL) { 2946 ((SimpleDateFormat*)this)->tztype = tzTimeType; 2947 cal.adoptTimeZone(tz); 2948 return pos.getIndex(); 2949 } 2950 return -start; 2951 } 2952 case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O' 2953 { 2954 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; 2955 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_LOCALIZED_GMT_SHORT : UTZFMT_STYLE_LOCALIZED_GMT; 2956 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); 2957 if (tz != NULL) { 2958 ((SimpleDateFormat*)this)->tztype = tzTimeType; 2959 cal.adoptTimeZone(tz); 2960 return pos.getIndex(); 2961 } 2962 return -start; 2963 } 2964 case UDAT_TIMEZONE_ISO_FIELD: // 'X' 2965 { 2966 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; 2967 UTimeZoneFormatStyle style; 2968 switch (count) { 2969 case 1: 2970 style = UTZFMT_STYLE_ISO_BASIC_SHORT; 2971 break; 2972 case 2: 2973 style = UTZFMT_STYLE_ISO_BASIC_FIXED; 2974 break; 2975 case 3: 2976 style = UTZFMT_STYLE_ISO_EXTENDED_FIXED; 2977 break; 2978 case 4: 2979 style = UTZFMT_STYLE_ISO_BASIC_FULL; 2980 break; 2981 default: 2982 style = UTZFMT_STYLE_ISO_EXTENDED_FULL; 2983 break; 2984 } 2985 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); 2986 if (tz != NULL) { 2987 ((SimpleDateFormat*)this)->tztype = tzTimeType; 2988 cal.adoptTimeZone(tz); 2989 return pos.getIndex(); 2990 } 2991 return -start; 2992 } 2993 case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x' 2994 { 2995 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; 2996 UTimeZoneFormatStyle style; 2997 switch (count) { 2998 case 1: 2999 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT; 3000 break; 3001 case 2: 3002 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED; 3003 break; 3004 case 3: 3005 style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED; 3006 break; 3007 case 4: 3008 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL; 3009 break; 3010 default: 3011 style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL; 3012 break; 3013 } 3014 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType); 3015 if (tz != NULL) { 3016 ((SimpleDateFormat*)this)->tztype = tzTimeType; 3017 cal.adoptTimeZone(tz); 3018 return pos.getIndex(); 3019 } 3020 return -start; 3021 } 3022 3023 default: 3024 // Handle "generic" fields 3025 // this is now handled below, outside the switch block 3026 break; 3027 } 3028 // Handle "generic" fields: 3029 // switch default case now handled here (outside switch block) to allow 3030 // parsing of some string fields as digits for lenient case 3031 3032 int32_t parseStart = pos.getIndex(); 3033 const UnicodeString* src; 3034 if (obeyCount) { 3035 if ((start+count) > text.length()) { 3036 return -start; 3037 } 3038 text.extractBetween(0, start + count, temp); 3039 src = &temp; 3040 } else { 3041 src = &text; 3042 } 3043 parseInt(*src, number, pos, allowNegative,currentNumberFormat); 3044 if (pos.getIndex() != parseStart) { 3045 int32_t value = number.getLong(); 3046 3047 // Don't need suffix processing here (as in number processing at the beginning of the function); 3048 // the new fields being handled as numeric values (month, weekdays, quarters) should not have suffixes. 3049 3050 if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) { 3051 // Check the range of the value 3052 int32_t bias = gFieldRangeBias[patternCharIndex]; 3053 if (bias >= 0 && (value > cal.getMaximum(field) + bias || value < cal.getMinimum(field) + bias)) { 3054 return -start; 3055 } 3056 } 3057 3058 // For the following, need to repeat some of the "if (gotNumber)" code above: 3059 // UDAT_[STANDALONE_]MONTH_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_STANDALONE_DAY_FIELD, 3060 // UDAT_[STANDALONE_]QUARTER_FIELD 3061 switch (patternCharIndex) { 3062 case UDAT_MONTH_FIELD: 3063 // See notes under UDAT_MONTH_FIELD case above 3064 if (!strcmp(cal.getType(),"hebrew")) { 3065 HebrewCalendar *hc = (HebrewCalendar*)&cal; 3066 if (cal.isSet(UCAL_YEAR)) { 3067 UErrorCode status = U_ZERO_ERROR; 3068 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6) { 3069 cal.set(UCAL_MONTH, value); 3070 } else { 3071 cal.set(UCAL_MONTH, value - 1); 3072 } 3073 } else { 3074 saveHebrewMonth = value; 3075 } 3076 } else { 3077 cal.set(UCAL_MONTH, value - 1); 3078 } 3079 break; 3080 case UDAT_STANDALONE_MONTH_FIELD: 3081 cal.set(UCAL_MONTH, value - 1); 3082 break; 3083 case UDAT_DOW_LOCAL_FIELD: 3084 case UDAT_STANDALONE_DAY_FIELD: 3085 cal.set(UCAL_DOW_LOCAL, value); 3086 break; 3087 case UDAT_QUARTER_FIELD: 3088 case UDAT_STANDALONE_QUARTER_FIELD: 3089 cal.set(UCAL_MONTH, (value - 1) * 3); 3090 break; 3091 default: 3092 cal.set(field, value); 3093 break; 3094 } 3095 return pos.getIndex(); 3096 } 3097 return -start; 3098 } 3099 3100 /** 3101 * Parse an integer using fNumberFormat. This method is semantically 3102 * const, but actually may modify fNumberFormat. 3103 */ 3104 void SimpleDateFormat::parseInt(const UnicodeString& text, 3105 Formattable& number, 3106 ParsePosition& pos, 3107 UBool allowNegative, 3108 NumberFormat *fmt) const { 3109 parseInt(text, number, -1, pos, allowNegative,fmt); 3110 } 3111 3112 /** 3113 * Parse an integer using fNumberFormat up to maxDigits. 3114 */ 3115 void SimpleDateFormat::parseInt(const UnicodeString& text, 3116 Formattable& number, 3117 int32_t maxDigits, 3118 ParsePosition& pos, 3119 UBool allowNegative, 3120 NumberFormat *fmt) const { 3121 UnicodeString oldPrefix; 3122 DecimalFormat* df = NULL; 3123 if (!allowNegative && (df = dynamic_cast<DecimalFormat*>(fmt)) != NULL) { 3124 df->getNegativePrefix(oldPrefix); 3125 df->setNegativePrefix(UnicodeString(TRUE, SUPPRESS_NEGATIVE_PREFIX, -1)); 3126 } 3127 int32_t oldPos = pos.getIndex(); 3128 fmt->parse(text, number, pos); 3129 if (df != NULL) { 3130 df->setNegativePrefix(oldPrefix); 3131 } 3132 3133 if (maxDigits > 0) { 3134 // adjust the result to fit into 3135 // the maxDigits and move the position back 3136 int32_t nDigits = pos.getIndex() - oldPos; 3137 if (nDigits > maxDigits) { 3138 int32_t val = number.getLong(); 3139 nDigits -= maxDigits; 3140 while (nDigits > 0) { 3141 val /= 10; 3142 nDigits--; 3143 } 3144 pos.setIndex(oldPos + maxDigits); 3145 number.setLong(val); 3146 } 3147 } 3148 } 3149 3150 //---------------------------------------------------------------------- 3151 3152 void SimpleDateFormat::translatePattern(const UnicodeString& originalPattern, 3153 UnicodeString& translatedPattern, 3154 const UnicodeString& from, 3155 const UnicodeString& to, 3156 UErrorCode& status) 3157 { 3158 // run through the pattern and convert any pattern symbols from the version 3159 // in "from" to the corresponding character ion "to". This code takes 3160 // quoted strings into account (it doesn't try to translate them), and it signals 3161 // an error if a particular "pattern character" doesn't appear in "from". 3162 // Depending on the values of "from" and "to" this can convert from generic 3163 // to localized patterns or localized to generic. 3164 if (U_FAILURE(status)) 3165 return; 3166 3167 translatedPattern.remove(); 3168 UBool inQuote = FALSE; 3169 for (int32_t i = 0; i < originalPattern.length(); ++i) { 3170 UChar c = originalPattern[i]; 3171 if (inQuote) { 3172 if (c == QUOTE) 3173 inQuote = FALSE; 3174 } 3175 else { 3176 if (c == QUOTE) 3177 inQuote = TRUE; 3178 else if ((c >= 0x0061 /*'a'*/ && c <= 0x007A) /*'z'*/ 3179 || (c >= 0x0041 /*'A'*/ && c <= 0x005A /*'Z'*/)) { 3180 int32_t ci = from.indexOf(c); 3181 if (ci == -1) { 3182 status = U_INVALID_FORMAT_ERROR; 3183 return; 3184 } 3185 c = to[ci]; 3186 } 3187 } 3188 translatedPattern += c; 3189 } 3190 if (inQuote) { 3191 status = U_INVALID_FORMAT_ERROR; 3192 return; 3193 } 3194 } 3195 3196 //---------------------------------------------------------------------- 3197 3198 UnicodeString& 3199 SimpleDateFormat::toPattern(UnicodeString& result) const 3200 { 3201 result = fPattern; 3202 return result; 3203 } 3204 3205 //---------------------------------------------------------------------- 3206 3207 UnicodeString& 3208 SimpleDateFormat::toLocalizedPattern(UnicodeString& result, 3209 UErrorCode& status) const 3210 { 3211 translatePattern(fPattern, result, 3212 UnicodeString(DateFormatSymbols::getPatternUChars()), 3213 fSymbols->fLocalPatternChars, status); 3214 return result; 3215 } 3216 3217 //---------------------------------------------------------------------- 3218 3219 void 3220 SimpleDateFormat::applyPattern(const UnicodeString& pattern) 3221 { 3222 fPattern = pattern; 3223 } 3224 3225 //---------------------------------------------------------------------- 3226 3227 void 3228 SimpleDateFormat::applyLocalizedPattern(const UnicodeString& pattern, 3229 UErrorCode &status) 3230 { 3231 translatePattern(pattern, fPattern, 3232 fSymbols->fLocalPatternChars, 3233 UnicodeString(DateFormatSymbols::getPatternUChars()), status); 3234 } 3235 3236 //---------------------------------------------------------------------- 3237 3238 const DateFormatSymbols* 3239 SimpleDateFormat::getDateFormatSymbols() const 3240 { 3241 return fSymbols; 3242 } 3243 3244 //---------------------------------------------------------------------- 3245 3246 void 3247 SimpleDateFormat::adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols) 3248 { 3249 delete fSymbols; 3250 fSymbols = newFormatSymbols; 3251 } 3252 3253 //---------------------------------------------------------------------- 3254 void 3255 SimpleDateFormat::setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols) 3256 { 3257 delete fSymbols; 3258 fSymbols = new DateFormatSymbols(newFormatSymbols); 3259 } 3260 3261 //---------------------------------------------------------------------- 3262 const TimeZoneFormat* 3263 SimpleDateFormat::getTimeZoneFormat(void) const { 3264 return (const TimeZoneFormat*)tzFormat(); 3265 } 3266 3267 //---------------------------------------------------------------------- 3268 void 3269 SimpleDateFormat::adoptTimeZoneFormat(TimeZoneFormat* timeZoneFormatToAdopt) 3270 { 3271 delete fTimeZoneFormat; 3272 fTimeZoneFormat = timeZoneFormatToAdopt; 3273 } 3274 3275 //---------------------------------------------------------------------- 3276 void 3277 SimpleDateFormat::setTimeZoneFormat(const TimeZoneFormat& newTimeZoneFormat) 3278 { 3279 delete fTimeZoneFormat; 3280 fTimeZoneFormat = new TimeZoneFormat(newTimeZoneFormat); 3281 } 3282 3283 //---------------------------------------------------------------------- 3284 3285 3286 void SimpleDateFormat::adoptCalendar(Calendar* calendarToAdopt) 3287 { 3288 UErrorCode status = U_ZERO_ERROR; 3289 DateFormat::adoptCalendar(calendarToAdopt); 3290 delete fSymbols; 3291 fSymbols=NULL; 3292 initializeSymbols(fLocale, fCalendar, status); // we need new symbols 3293 initializeDefaultCentury(); // we need a new century (possibly) 3294 } 3295 3296 3297 //---------------------------------------------------------------------- 3298 3299 3300 void SimpleDateFormat::setContext(UDisplayContext value, UErrorCode& status) 3301 { 3302 if (U_FAILURE(status)) 3303 return; 3304 if ( (UDisplayContextType)((uint32_t)value >> 8) == UDISPCTX_TYPE_CAPITALIZATION ) { 3305 fCapitalizationContext = value; 3306 } else { 3307 status = U_ILLEGAL_ARGUMENT_ERROR; 3308 } 3309 } 3310 3311 3312 //---------------------------------------------------------------------- 3313 3314 3315 UDisplayContext SimpleDateFormat::getContext(UDisplayContextType type, UErrorCode& status) const 3316 { 3317 if (U_FAILURE(status)) 3318 return (UDisplayContext)0; 3319 if (type != UDISPCTX_TYPE_CAPITALIZATION) { 3320 status = U_ILLEGAL_ARGUMENT_ERROR; 3321 return (UDisplayContext)0; 3322 } 3323 return fCapitalizationContext; 3324 } 3325 3326 3327 //---------------------------------------------------------------------- 3328 3329 3330 UBool 3331 SimpleDateFormat::isFieldUnitIgnored(UCalendarDateFields field) const { 3332 return isFieldUnitIgnored(fPattern, field); 3333 } 3334 3335 3336 UBool 3337 SimpleDateFormat::isFieldUnitIgnored(const UnicodeString& pattern, 3338 UCalendarDateFields field) { 3339 int32_t fieldLevel = fgCalendarFieldToLevel[field]; 3340 int32_t level; 3341 UChar ch; 3342 UBool inQuote = FALSE; 3343 UChar prevCh = 0; 3344 int32_t count = 0; 3345 3346 for (int32_t i = 0; i < pattern.length(); ++i) { 3347 ch = pattern[i]; 3348 if (ch != prevCh && count > 0) { 3349 level = fgPatternCharToLevel[prevCh - PATTERN_CHAR_BASE]; 3350 // the larger the level, the smaller the field unit. 3351 if ( fieldLevel <= level ) { 3352 return FALSE; 3353 } 3354 count = 0; 3355 } 3356 if (ch == QUOTE) { 3357 if ((i+1) < pattern.length() && pattern[i+1] == QUOTE) { 3358 ++i; 3359 } else { 3360 inQuote = ! inQuote; 3361 } 3362 } 3363 else if ( ! inQuote && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/) 3364 || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) { 3365 prevCh = ch; 3366 ++count; 3367 } 3368 } 3369 if ( count > 0 ) { 3370 // last item 3371 level = fgPatternCharToLevel[prevCh - PATTERN_CHAR_BASE]; 3372 if ( fieldLevel <= level ) { 3373 return FALSE; 3374 } 3375 } 3376 return TRUE; 3377 } 3378 3379 //---------------------------------------------------------------------- 3380 3381 const Locale& 3382 SimpleDateFormat::getSmpFmtLocale(void) const { 3383 return fLocale; 3384 } 3385 3386 //---------------------------------------------------------------------- 3387 3388 int32_t 3389 SimpleDateFormat::checkIntSuffix(const UnicodeString& text, int32_t start, 3390 int32_t patLoc, UBool isNegative) const { 3391 // local variables 3392 UnicodeString suf; 3393 int32_t patternMatch; 3394 int32_t textPreMatch; 3395 int32_t textPostMatch; 3396 3397 // check that we are still in range 3398 if ( (start > text.length()) || 3399 (start < 0) || 3400 (patLoc < 0) || 3401 (patLoc > fPattern.length())) { 3402 // out of range, don't advance location in text 3403 return start; 3404 } 3405 3406 // get the suffix 3407 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat); 3408 if (decfmt != NULL) { 3409 if (isNegative) { 3410 suf = decfmt->getNegativeSuffix(suf); 3411 } 3412 else { 3413 suf = decfmt->getPositiveSuffix(suf); 3414 } 3415 } 3416 3417 // check for suffix 3418 if (suf.length() <= 0) { 3419 return start; 3420 } 3421 3422 // check suffix will be encountered in the pattern 3423 patternMatch = compareSimpleAffix(suf,fPattern,patLoc); 3424 3425 // check if a suffix will be encountered in the text 3426 textPreMatch = compareSimpleAffix(suf,text,start); 3427 3428 // check if a suffix was encountered in the text 3429 textPostMatch = compareSimpleAffix(suf,text,start-suf.length()); 3430 3431 // check for suffix match 3432 if ((textPreMatch >= 0) && (patternMatch >= 0) && (textPreMatch == patternMatch)) { 3433 return start; 3434 } 3435 else if ((textPostMatch >= 0) && (patternMatch >= 0) && (textPostMatch == patternMatch)) { 3436 return start - suf.length(); 3437 } 3438 3439 // should not get here 3440 return start; 3441 } 3442 3443 //---------------------------------------------------------------------- 3444 3445 int32_t 3446 SimpleDateFormat::compareSimpleAffix(const UnicodeString& affix, 3447 const UnicodeString& input, 3448 int32_t pos) const { 3449 int32_t start = pos; 3450 for (int32_t i=0; i<affix.length(); ) { 3451 UChar32 c = affix.char32At(i); 3452 int32_t len = U16_LENGTH(c); 3453 if (PatternProps::isWhiteSpace(c)) { 3454 // We may have a pattern like: \u200F \u0020 3455 // and input text like: \u200F \u0020 3456 // Note that U+200F and U+0020 are Pattern_White_Space but only 3457 // U+0020 is UWhiteSpace. So we have to first do a direct 3458 // match of the run of Pattern_White_Space in the pattern, 3459 // then match any extra characters. 3460 UBool literalMatch = FALSE; 3461 while (pos < input.length() && 3462 input.char32At(pos) == c) { 3463 literalMatch = TRUE; 3464 i += len; 3465 pos += len; 3466 if (i == affix.length()) { 3467 break; 3468 } 3469 c = affix.char32At(i); 3470 len = U16_LENGTH(c); 3471 if (!PatternProps::isWhiteSpace(c)) { 3472 break; 3473 } 3474 } 3475 3476 // Advance over run in pattern 3477 i = skipPatternWhiteSpace(affix, i); 3478 3479 // Advance over run in input text 3480 // Must see at least one white space char in input, 3481 // unless we've already matched some characters literally. 3482 int32_t s = pos; 3483 pos = skipUWhiteSpace(input, pos); 3484 if (pos == s && !literalMatch) { 3485 return -1; 3486 } 3487 3488 // If we skip UWhiteSpace in the input text, we need to skip it in the pattern. 3489 // Otherwise, the previous lines may have skipped over text (such as U+00A0) that 3490 // is also in the affix. 3491 i = skipUWhiteSpace(affix, i); 3492 } else { 3493 if (pos < input.length() && 3494 input.char32At(pos) == c) { 3495 i += len; 3496 pos += len; 3497 } else { 3498 return -1; 3499 } 3500 } 3501 } 3502 return pos - start; 3503 } 3504 3505 //---------------------------------------------------------------------- 3506 3507 int32_t 3508 SimpleDateFormat::skipPatternWhiteSpace(const UnicodeString& text, int32_t pos) const { 3509 const UChar* s = text.getBuffer(); 3510 return (int32_t)(PatternProps::skipWhiteSpace(s + pos, text.length() - pos) - s); 3511 } 3512 3513 //---------------------------------------------------------------------- 3514 3515 int32_t 3516 SimpleDateFormat::skipUWhiteSpace(const UnicodeString& text, int32_t pos) const { 3517 while (pos < text.length()) { 3518 UChar32 c = text.char32At(pos); 3519 if (!u_isUWhiteSpace(c)) { 3520 break; 3521 } 3522 pos += U16_LENGTH(c); 3523 } 3524 return pos; 3525 } 3526 3527 //---------------------------------------------------------------------- 3528 3529 // Lazy TimeZoneFormat instantiation, semantically const. 3530 TimeZoneFormat * 3531 SimpleDateFormat::tzFormat() const { 3532 if (fTimeZoneFormat == NULL) { 3533 umtx_lock(&LOCK); 3534 { 3535 if (fTimeZoneFormat == NULL) { 3536 UErrorCode status = U_ZERO_ERROR; 3537 TimeZoneFormat *tzfmt = TimeZoneFormat::createInstance(fLocale, status); 3538 if (U_FAILURE(status)) { 3539 return NULL; 3540 } 3541 3542 const_cast<SimpleDateFormat *>(this)->fTimeZoneFormat = tzfmt; 3543 } 3544 } 3545 umtx_unlock(&LOCK); 3546 } 3547 return fTimeZoneFormat; 3548 } 3549 3550 U_NAMESPACE_END 3551 3552 #endif /* #if !UCONFIG_NO_FORMATTING */ 3553 3554 //eof 3555
