1 /* 2 ******************************************************************************* 3 * Copyright (C) 1997-2014, 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 "unicode/brkiter.h" 53 #include "olsontz.h" 54 #include "patternprops.h" 55 #include "fphdlimp.h" 56 #include "gregoimp.h" 57 #include "hebrwcal.h" 58 #include "cstring.h" 59 #include "uassert.h" 60 #include "cmemory.h" 61 #include "umutex.h" 62 #include <float.h> 63 #include "smpdtfst.h" 64 65 #if defined( U_DEBUG_CALSVC ) || defined (U_DEBUG_CAL) 66 #include <stdio.h> 67 #endif 68 69 // ***************************************************************************** 70 // class SimpleDateFormat 71 // ***************************************************************************** 72 73 U_NAMESPACE_BEGIN 74 75 static const UChar PATTERN_CHAR_BASE = 0x40; 76 77 /** 78 * Last-resort string to use for "GMT" when constructing time zone strings. 79 */ 80 // For time zones that have no names, use strings GMT+minutes and 81 // GMT-minutes. For instance, in France the time zone is GMT+60. 82 // Also accepted are GMT+H:MM or GMT-H:MM. 83 // Currently not being used 84 //static const UChar gGmt[] = {0x0047, 0x004D, 0x0054, 0x0000}; // "GMT" 85 //static const UChar gGmtPlus[] = {0x0047, 0x004D, 0x0054, 0x002B, 0x0000}; // "GMT+" 86 //static const UChar gGmtMinus[] = {0x0047, 0x004D, 0x0054, 0x002D, 0x0000}; // "GMT-" 87 //static const UChar gDefGmtPat[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0x0000}; /* GMT{0} */ 88 //static const UChar gDefGmtNegHmsPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* -HH:mm:ss */ 89 //static const UChar gDefGmtNegHmPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* -HH:mm */ 90 //static const UChar gDefGmtPosHmsPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* +HH:mm:ss */ 91 //static const UChar gDefGmtPosHmPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* +HH:mm */ 92 //static const UChar gUt[] = {0x0055, 0x0054, 0x0000}; // "UT" 93 //static const UChar gUtc[] = {0x0055, 0x0054, 0x0043, 0x0000}; // "UT" 94 95 typedef enum GmtPatSize { 96 kGmtLen = 3, 97 kGmtPatLen = 6, 98 kNegHmsLen = 9, 99 kNegHmLen = 6, 100 kPosHmsLen = 9, 101 kPosHmLen = 6, 102 kUtLen = 2, 103 kUtcLen = 3 104 } GmtPatSize; 105 106 // Stuff needed for numbering system overrides 107 108 typedef enum OvrStrType { 109 kOvrStrDate = 0, 110 kOvrStrTime = 1, 111 kOvrStrBoth = 2 112 } OvrStrType; 113 114 static const UDateFormatField kDateFields[] = { 115 UDAT_YEAR_FIELD, 116 UDAT_MONTH_FIELD, 117 UDAT_DATE_FIELD, 118 UDAT_DAY_OF_YEAR_FIELD, 119 UDAT_DAY_OF_WEEK_IN_MONTH_FIELD, 120 UDAT_WEEK_OF_YEAR_FIELD, 121 UDAT_WEEK_OF_MONTH_FIELD, 122 UDAT_YEAR_WOY_FIELD, 123 UDAT_EXTENDED_YEAR_FIELD, 124 UDAT_JULIAN_DAY_FIELD, 125 UDAT_STANDALONE_DAY_FIELD, 126 UDAT_STANDALONE_MONTH_FIELD, 127 UDAT_QUARTER_FIELD, 128 UDAT_STANDALONE_QUARTER_FIELD, 129 UDAT_YEAR_NAME_FIELD, 130 UDAT_RELATED_YEAR_FIELD }; 131 static const int8_t kDateFieldsCount = 16; 132 133 static const UDateFormatField kTimeFields[] = { 134 UDAT_HOUR_OF_DAY1_FIELD, 135 UDAT_HOUR_OF_DAY0_FIELD, 136 UDAT_MINUTE_FIELD, 137 UDAT_SECOND_FIELD, 138 UDAT_FRACTIONAL_SECOND_FIELD, 139 UDAT_HOUR1_FIELD, 140 UDAT_HOUR0_FIELD, 141 UDAT_MILLISECONDS_IN_DAY_FIELD, 142 UDAT_TIMEZONE_RFC_FIELD, 143 UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD }; 144 static const int8_t kTimeFieldsCount = 10; 145 146 147 // This is a pattern-of-last-resort used when we can't load a usable pattern out 148 // of a resource. 149 static const UChar gDefaultPattern[] = 150 { 151 0x79, 0x79, 0x79, 0x79, 0x4D, 0x4D, 0x64, 0x64, 0x20, 0x68, 0x68, 0x3A, 0x6D, 0x6D, 0x20, 0x61, 0 152 }; /* "yyyyMMdd hh:mm a" */ 153 154 // This prefix is designed to NEVER MATCH real text, in order to 155 // suppress the parsing of negative numbers. Adjust as needed (if 156 // this becomes valid Unicode). 157 static const UChar SUPPRESS_NEGATIVE_PREFIX[] = {0xAB00, 0}; 158 159 /** 160 * These are the tags we expect to see in normal resource bundle files associated 161 * with a locale. 162 */ 163 static const char gDateTimePatternsTag[]="DateTimePatterns"; 164 165 //static const UChar gEtcUTC[] = {0x45, 0x74, 0x63, 0x2F, 0x55, 0x54, 0x43, 0x00}; // "Etc/UTC" 166 static const UChar QUOTE = 0x27; // Single quote 167 168 /* 169 * The field range check bias for each UDateFormatField. 170 * The bias is added to the minimum and maximum values 171 * before they are compared to the parsed number. 172 * For example, the calendar stores zero-based month numbers 173 * but the parsed month numbers start at 1, so the bias is 1. 174 * 175 * A value of -1 means that the value is not checked. 176 */ 177 static const int32_t gFieldRangeBias[] = { 178 -1, // 'G' - UDAT_ERA_FIELD 179 -1, // 'y' - UDAT_YEAR_FIELD 180 1, // 'M' - UDAT_MONTH_FIELD 181 0, // 'd' - UDAT_DATE_FIELD 182 -1, // 'k' - UDAT_HOUR_OF_DAY1_FIELD 183 -1, // 'H' - UDAT_HOUR_OF_DAY0_FIELD 184 0, // 'm' - UDAT_MINUTE_FIELD 185 0, // 's' - UDAT_SEOND_FIELD 186 -1, // 'S' - UDAT_FRACTIONAL_SECOND_FIELD (0-999?) 187 -1, // 'E' - UDAT_DAY_OF_WEEK_FIELD (1-7?) 188 -1, // 'D' - UDAT_DAY_OF_YEAR_FIELD (1 - 366?) 189 -1, // 'F' - UDAT_DAY_OF_WEEK_IN_MONTH_FIELD (1-5?) 190 -1, // 'w' - UDAT_WEEK_OF_YEAR_FIELD (1-52?) 191 -1, // 'W' - UDAT_WEEK_OF_MONTH_FIELD (1-5?) 192 -1, // 'a' - UDAT_AM_PM_FIELD 193 -1, // 'h' - UDAT_HOUR1_FIELD 194 -1, // 'K' - UDAT_HOUR0_FIELD 195 -1, // 'z' - UDAT_TIMEZONE_FIELD 196 -1, // 'Y' - UDAT_YEAR_WOY_FIELD 197 -1, // 'e' - UDAT_DOW_LOCAL_FIELD 198 -1, // 'u' - UDAT_EXTENDED_YEAR_FIELD 199 -1, // 'g' - UDAT_JULIAN_DAY_FIELD 200 -1, // 'A' - UDAT_MILLISECONDS_IN_DAY_FIELD 201 -1, // 'Z' - UDAT_TIMEZONE_RFC_FIELD 202 -1, // 'v' - UDAT_TIMEZONE_GENERIC_FIELD 203 0, // 'c' - UDAT_STANDALONE_DAY_FIELD 204 1, // 'L' - UDAT_STANDALONE_MONTH_FIELD 205 -1, // 'Q' - UDAT_QUARTER_FIELD (1-4?) 206 -1, // 'q' - UDAT_STANDALONE_QUARTER_FIELD 207 -1, // 'V' - UDAT_TIMEZONE_SPECIAL_FIELD 208 -1, // 'U' - UDAT_YEAR_NAME_FIELD 209 -1, // 'O' - UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD 210 -1, // 'X' - UDAT_TIMEZONE_ISO_FIELD 211 -1, // 'x' - UDAT_TIMEZONE_ISO_LOCAL_FIELD 212 -1, // 'r' - UDAT_RELATED_YEAR_FIELD 213 }; 214 215 // When calendar uses hebr numbering (i.e. he@calendar=hebrew), 216 // offset the years within the current millenium down to 1-999 217 static const int32_t HEBREW_CAL_CUR_MILLENIUM_START_YEAR = 5000; 218 static const int32_t HEBREW_CAL_CUR_MILLENIUM_END_YEAR = 6000; 219 220 static UMutex LOCK = U_MUTEX_INITIALIZER; 221 222 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleDateFormat) 223 224 //---------------------------------------------------------------------- 225 226 SimpleDateFormat::~SimpleDateFormat() 227 { 228 delete fSymbols; 229 if (fNumberFormatters) { 230 uprv_free(fNumberFormatters); 231 } 232 if (fTimeZoneFormat) { 233 delete fTimeZoneFormat; 234 } 235 236 while (fOverrideList) { 237 NSOverride *cur = fOverrideList; 238 fOverrideList = cur->next; 239 delete cur->nf; 240 uprv_free(cur); 241 } 242 243 #if !UCONFIG_NO_BREAK_ITERATION 244 delete fCapitalizationBrkIter; 245 #endif 246 } 247 248 //---------------------------------------------------------------------- 249 250 SimpleDateFormat::SimpleDateFormat(UErrorCode& status) 251 : fLocale(Locale::getDefault()), 252 fSymbols(NULL), 253 fTimeZoneFormat(NULL), 254 fNumberFormatters(NULL), 255 fOverrideList(NULL), 256 fCapitalizationBrkIter(NULL) 257 { 258 initializeBooleanAttributes(); 259 construct(kShort, (EStyle) (kShort + kDateOffset), fLocale, status); 260 initializeDefaultCentury(); 261 } 262 263 //---------------------------------------------------------------------- 264 265 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 266 UErrorCode &status) 267 : fPattern(pattern), 268 fLocale(Locale::getDefault()), 269 fSymbols(NULL), 270 fTimeZoneFormat(NULL), 271 fNumberFormatters(NULL), 272 fOverrideList(NULL), 273 fCapitalizationBrkIter(NULL) 274 { 275 fDateOverride.setToBogus(); 276 fTimeOverride.setToBogus(); 277 initializeBooleanAttributes(); 278 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); 279 initialize(fLocale, status); 280 initializeDefaultCentury(); 281 282 } 283 //---------------------------------------------------------------------- 284 285 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 286 const UnicodeString& override, 287 UErrorCode &status) 288 : fPattern(pattern), 289 fLocale(Locale::getDefault()), 290 fSymbols(NULL), 291 fTimeZoneFormat(NULL), 292 fNumberFormatters(NULL), 293 fOverrideList(NULL), 294 fCapitalizationBrkIter(NULL) 295 { 296 fDateOverride.setTo(override); 297 fTimeOverride.setToBogus(); 298 initializeBooleanAttributes(); 299 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); 300 initialize(fLocale, status); 301 initializeDefaultCentury(); 302 303 processOverrideString(fLocale,override,kOvrStrBoth,status); 304 305 } 306 307 //---------------------------------------------------------------------- 308 309 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 310 const Locale& locale, 311 UErrorCode& status) 312 : fPattern(pattern), 313 fLocale(locale), 314 fTimeZoneFormat(NULL), 315 fNumberFormatters(NULL), 316 fOverrideList(NULL), 317 fCapitalizationBrkIter(NULL) 318 { 319 320 fDateOverride.setToBogus(); 321 fTimeOverride.setToBogus(); 322 initializeBooleanAttributes(); 323 324 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); 325 initialize(fLocale, status); 326 initializeDefaultCentury(); 327 } 328 329 //---------------------------------------------------------------------- 330 331 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 332 const UnicodeString& override, 333 const Locale& locale, 334 UErrorCode& status) 335 : fPattern(pattern), 336 fLocale(locale), 337 fTimeZoneFormat(NULL), 338 fNumberFormatters(NULL), 339 fOverrideList(NULL), 340 fCapitalizationBrkIter(NULL) 341 { 342 343 fDateOverride.setTo(override); 344 fTimeOverride.setToBogus(); 345 initializeBooleanAttributes(); 346 347 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status); 348 initialize(fLocale, status); 349 initializeDefaultCentury(); 350 351 processOverrideString(locale,override,kOvrStrBoth,status); 352 353 } 354 355 //---------------------------------------------------------------------- 356 357 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 358 DateFormatSymbols* symbolsToAdopt, 359 UErrorCode& status) 360 : fPattern(pattern), 361 fLocale(Locale::getDefault()), 362 fSymbols(symbolsToAdopt), 363 fTimeZoneFormat(NULL), 364 fNumberFormatters(NULL), 365 fOverrideList(NULL), 366 fCapitalizationBrkIter(NULL) 367 { 368 369 fDateOverride.setToBogus(); 370 fTimeOverride.setToBogus(); 371 initializeBooleanAttributes(); 372 373 initializeCalendar(NULL,fLocale,status); 374 initialize(fLocale, status); 375 initializeDefaultCentury(); 376 } 377 378 //---------------------------------------------------------------------- 379 380 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, 381 const DateFormatSymbols& symbols, 382 UErrorCode& status) 383 : fPattern(pattern), 384 fLocale(Locale::getDefault()), 385 fSymbols(new DateFormatSymbols(symbols)), 386 fTimeZoneFormat(NULL), 387 fNumberFormatters(NULL), 388 fOverrideList(NULL), 389 fCapitalizationBrkIter(NULL) 390 { 391 392 fDateOverride.setToBogus(); 393 fTimeOverride.setToBogus(); 394 initializeBooleanAttributes(); 395 396 initializeCalendar(NULL, fLocale, status); 397 initialize(fLocale, status); 398 initializeDefaultCentury(); 399 } 400 401 //---------------------------------------------------------------------- 402 403 // Not for public consumption; used by DateFormat 404 SimpleDateFormat::SimpleDateFormat(EStyle timeStyle, 405 EStyle dateStyle, 406 const Locale& locale, 407 UErrorCode& status) 408 : fLocale(locale), 409 fSymbols(NULL), 410 fTimeZoneFormat(NULL), 411 fNumberFormatters(NULL), 412 fOverrideList(NULL), 413 fCapitalizationBrkIter(NULL) 414 { 415 initializeBooleanAttributes(); 416 construct(timeStyle, dateStyle, fLocale, status); 417 if(U_SUCCESS(status)) { 418 initializeDefaultCentury(); 419 } 420 } 421 422 //---------------------------------------------------------------------- 423 424 /** 425 * Not for public consumption; used by DateFormat. This constructor 426 * never fails. If the resource data is not available, it uses the 427 * the last resort symbols. 428 */ 429 SimpleDateFormat::SimpleDateFormat(const Locale& locale, 430 UErrorCode& status) 431 : fPattern(gDefaultPattern), 432 fLocale(locale), 433 fSymbols(NULL), 434 fTimeZoneFormat(NULL), 435 fNumberFormatters(NULL), 436 fOverrideList(NULL), 437 fCapitalizationBrkIter(NULL) 438 { 439 if (U_FAILURE(status)) return; 440 initializeBooleanAttributes(); 441 initializeSymbols(fLocale, initializeCalendar(NULL, fLocale, status),status); 442 if (U_FAILURE(status)) 443 { 444 status = U_ZERO_ERROR; 445 delete fSymbols; 446 // This constructor doesn't fail; it uses last resort data 447 fSymbols = new DateFormatSymbols(status); 448 /* test for NULL */ 449 if (fSymbols == 0) { 450 status = U_MEMORY_ALLOCATION_ERROR; 451 return; 452 } 453 } 454 455 fDateOverride.setToBogus(); 456 fTimeOverride.setToBogus(); 457 458 initialize(fLocale, status); 459 if(U_SUCCESS(status)) { 460 initializeDefaultCentury(); 461 } 462 } 463 464 //---------------------------------------------------------------------- 465 466 SimpleDateFormat::SimpleDateFormat(const SimpleDateFormat& other) 467 : DateFormat(other), 468 fLocale(other.fLocale), 469 fSymbols(NULL), 470 fTimeZoneFormat(NULL), 471 fNumberFormatters(NULL), 472 fOverrideList(NULL), 473 fCapitalizationBrkIter(NULL) 474 { 475 initializeBooleanAttributes(); 476 *this = other; 477 } 478 479 //---------------------------------------------------------------------- 480 481 SimpleDateFormat& SimpleDateFormat::operator=(const SimpleDateFormat& other) 482 { 483 if (this == &other) { 484 return *this; 485 } 486 DateFormat::operator=(other); 487 488 delete fSymbols; 489 fSymbols = NULL; 490 491 if (other.fSymbols) 492 fSymbols = new DateFormatSymbols(*other.fSymbols); 493 494 fDefaultCenturyStart = other.fDefaultCenturyStart; 495 fDefaultCenturyStartYear = other.fDefaultCenturyStartYear; 496 fHaveDefaultCentury = other.fHaveDefaultCentury; 497 498 fPattern = other.fPattern; 499 500 // TimeZoneFormat in ICU4C only depends on a locale for now 501 if (fLocale != other.fLocale) { 502 delete fTimeZoneFormat; 503 fTimeZoneFormat = NULL; // forces lazy instantiation with the other locale 504 fLocale = other.fLocale; 505 } 506 507 #if !UCONFIG_NO_BREAK_ITERATION 508 if (other.fCapitalizationBrkIter != NULL) { 509 fCapitalizationBrkIter = (other.fCapitalizationBrkIter)->clone(); 510 } 511 #endif 512 513 return *this; 514 } 515 516 //---------------------------------------------------------------------- 517 518 Format* 519 SimpleDateFormat::clone() const 520 { 521 return new SimpleDateFormat(*this); 522 } 523 524 //---------------------------------------------------------------------- 525 526 UBool 527 SimpleDateFormat::operator==(const Format& other) const 528 { 529 if (DateFormat::operator==(other)) { 530 // The DateFormat::operator== check for fCapitalizationContext equality above 531 // is sufficient to check equality of all derived context-related data. 532 // DateFormat::operator== guarantees following cast is safe 533 SimpleDateFormat* that = (SimpleDateFormat*)&other; 534 return (fPattern == that->fPattern && 535 fSymbols != NULL && // Check for pathological object 536 that->fSymbols != NULL && // Check for pathological object 537 *fSymbols == *that->fSymbols && 538 fHaveDefaultCentury == that->fHaveDefaultCentury && 539 fDefaultCenturyStart == that->fDefaultCenturyStart); 540 } 541 return FALSE; 542 } 543 544 //---------------------------------------------------------------------- 545 546 void SimpleDateFormat::construct(EStyle timeStyle, 547 EStyle dateStyle, 548 const Locale& locale, 549 UErrorCode& status) 550 { 551 // called by several constructors to load pattern data from the resources 552 if (U_FAILURE(status)) return; 553 554 // We will need the calendar to know what type of symbols to load. 555 initializeCalendar(NULL, locale, status); 556 if (U_FAILURE(status)) return; 557 558 CalendarData calData(locale, fCalendar?fCalendar->getType():NULL, status); 559 UResourceBundle *dateTimePatterns = calData.getByKey(gDateTimePatternsTag, status); 560 UResourceBundle *currentBundle; 561 562 if (U_FAILURE(status)) return; 563 564 if (ures_getSize(dateTimePatterns) <= kDateTime) 565 { 566 status = U_INVALID_FORMAT_ERROR; 567 return; 568 } 569 570 setLocaleIDs(ures_getLocaleByType(dateTimePatterns, ULOC_VALID_LOCALE, &status), 571 ures_getLocaleByType(dateTimePatterns, ULOC_ACTUAL_LOCALE, &status)); 572 573 // create a symbols object from the locale 574 initializeSymbols(locale,fCalendar, status); 575 if (U_FAILURE(status)) return; 576 /* test for NULL */ 577 if (fSymbols == 0) { 578 status = U_MEMORY_ALLOCATION_ERROR; 579 return; 580 } 581 582 const UChar *resStr,*ovrStr; 583 int32_t resStrLen,ovrStrLen = 0; 584 fDateOverride.setToBogus(); 585 fTimeOverride.setToBogus(); 586 587 // if the pattern should include both date and time information, use the date/time 588 // pattern string as a guide to tell use how to glue together the appropriate date 589 // and time pattern strings. The actual gluing-together is handled by a convenience 590 // method on MessageFormat. 591 if ((timeStyle != kNone) && (dateStyle != kNone)) 592 { 593 Formattable timeDateArray[2]; 594 595 // use Formattable::adoptString() so that we can use fastCopyFrom() 596 // instead of Formattable::setString()'s unaware, safe, deep string clone 597 // see Jitterbug 2296 598 599 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)timeStyle, NULL, &status); 600 if (U_FAILURE(status)) { 601 status = U_INVALID_FORMAT_ERROR; 602 return; 603 } 604 switch (ures_getType(currentBundle)) { 605 case URES_STRING: { 606 resStr = ures_getString(currentBundle, &resStrLen, &status); 607 break; 608 } 609 case URES_ARRAY: { 610 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); 611 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); 612 fTimeOverride.setTo(TRUE, ovrStr, ovrStrLen); 613 break; 614 } 615 default: { 616 status = U_INVALID_FORMAT_ERROR; 617 ures_close(currentBundle); 618 return; 619 } 620 } 621 ures_close(currentBundle); 622 623 UnicodeString *tempus1 = new UnicodeString(TRUE, resStr, resStrLen); 624 // NULL pointer check 625 if (tempus1 == NULL) { 626 status = U_MEMORY_ALLOCATION_ERROR; 627 return; 628 } 629 timeDateArray[0].adoptString(tempus1); 630 631 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)dateStyle, NULL, &status); 632 if (U_FAILURE(status)) { 633 status = U_INVALID_FORMAT_ERROR; 634 return; 635 } 636 switch (ures_getType(currentBundle)) { 637 case URES_STRING: { 638 resStr = ures_getString(currentBundle, &resStrLen, &status); 639 break; 640 } 641 case URES_ARRAY: { 642 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); 643 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); 644 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); 645 break; 646 } 647 default: { 648 status = U_INVALID_FORMAT_ERROR; 649 ures_close(currentBundle); 650 return; 651 } 652 } 653 ures_close(currentBundle); 654 655 UnicodeString *tempus2 = new UnicodeString(TRUE, resStr, resStrLen); 656 // Null pointer check 657 if (tempus2 == NULL) { 658 status = U_MEMORY_ALLOCATION_ERROR; 659 return; 660 } 661 timeDateArray[1].adoptString(tempus2); 662 663 int32_t glueIndex = kDateTime; 664 int32_t patternsSize = ures_getSize(dateTimePatterns); 665 if (patternsSize >= (kDateTimeOffset + kShort + 1)) { 666 // Get proper date time format 667 glueIndex = (int32_t)(kDateTimeOffset + (dateStyle - kDateOffset)); 668 } 669 670 resStr = ures_getStringByIndex(dateTimePatterns, glueIndex, &resStrLen, &status); 671 MessageFormat::format(UnicodeString(TRUE, resStr, resStrLen), timeDateArray, 2, fPattern, status); 672 } 673 // if the pattern includes just time data or just date date, load the appropriate 674 // pattern string from the resources 675 // setTo() - see DateFormatSymbols::assignArray comments 676 else if (timeStyle != kNone) { 677 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)timeStyle, NULL, &status); 678 if (U_FAILURE(status)) { 679 status = U_INVALID_FORMAT_ERROR; 680 return; 681 } 682 switch (ures_getType(currentBundle)) { 683 case URES_STRING: { 684 resStr = ures_getString(currentBundle, &resStrLen, &status); 685 break; 686 } 687 case URES_ARRAY: { 688 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); 689 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); 690 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); 691 break; 692 } 693 default: { 694 status = U_INVALID_FORMAT_ERROR; 695 ures_close(currentBundle); 696 return; 697 } 698 } 699 fPattern.setTo(TRUE, resStr, resStrLen); 700 ures_close(currentBundle); 701 } 702 else if (dateStyle != kNone) { 703 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)dateStyle, NULL, &status); 704 if (U_FAILURE(status)) { 705 status = U_INVALID_FORMAT_ERROR; 706 return; 707 } 708 switch (ures_getType(currentBundle)) { 709 case URES_STRING: { 710 resStr = ures_getString(currentBundle, &resStrLen, &status); 711 break; 712 } 713 case URES_ARRAY: { 714 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status); 715 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status); 716 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen); 717 break; 718 } 719 default: { 720 status = U_INVALID_FORMAT_ERROR; 721 ures_close(currentBundle); 722 return; 723 } 724 } 725 fPattern.setTo(TRUE, resStr, resStrLen); 726 ures_close(currentBundle); 727 } 728 729 // and if it includes _neither_, that's an error 730 else 731 status = U_INVALID_FORMAT_ERROR; 732 733 // finally, finish initializing by creating a Calendar and a NumberFormat 734 initialize(locale, status); 735 } 736 737 //---------------------------------------------------------------------- 738 739 Calendar* 740 SimpleDateFormat::initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status) 741 { 742 if(!U_FAILURE(status)) { 743 fCalendar = Calendar::createInstance(adoptZone?adoptZone:TimeZone::createDefault(), locale, status); 744 } 745 if (U_SUCCESS(status) && fCalendar == NULL) { 746 status = U_MEMORY_ALLOCATION_ERROR; 747 } 748 return fCalendar; 749 } 750 751 void 752 SimpleDateFormat::initializeSymbols(const Locale& locale, Calendar* calendar, UErrorCode& status) 753 { 754 if(U_FAILURE(status)) { 755 fSymbols = NULL; 756 } else { 757 // pass in calendar type - use NULL (default) if no calendar set (or err). 758 fSymbols = new DateFormatSymbols(locale, calendar?calendar->getType() :NULL , status); 759 // Null pointer check 760 if (fSymbols == NULL) { 761 status = U_MEMORY_ALLOCATION_ERROR; 762 return; 763 } 764 } 765 } 766 767 void 768 SimpleDateFormat::initialize(const Locale& locale, 769 UErrorCode& status) 770 { 771 if (U_FAILURE(status)) return; 772 773 // We don't need to check that the row count is >= 1, since all 2d arrays have at 774 // least one row 775 fNumberFormat = NumberFormat::createInstance(locale, status); 776 if (fNumberFormat != NULL && U_SUCCESS(status)) 777 { 778 // no matter what the locale's default number format looked like, we want 779 // to modify it so that it doesn't use thousands separators, doesn't always 780 // show the decimal point, and recognizes integers only when parsing 781 782 fNumberFormat->setGroupingUsed(FALSE); 783 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat); 784 if (decfmt != NULL) { 785 decfmt->setDecimalSeparatorAlwaysShown(FALSE); 786 } 787 fNumberFormat->setParseIntegerOnly(TRUE); 788 fNumberFormat->setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00" 789 790 //fNumberFormat->setLenient(TRUE); // Java uses a custom DateNumberFormat to format/parse 791 792 initNumberFormatters(locale,status); 793 794 } 795 else if (U_SUCCESS(status)) 796 { 797 status = U_MISSING_RESOURCE_ERROR; 798 } 799 } 800 801 /* Initialize the fields we use to disambiguate ambiguous years. Separate 802 * so we can call it from readObject(). 803 */ 804 void SimpleDateFormat::initializeDefaultCentury() 805 { 806 if(fCalendar) { 807 fHaveDefaultCentury = fCalendar->haveDefaultCentury(); 808 if(fHaveDefaultCentury) { 809 fDefaultCenturyStart = fCalendar->defaultCenturyStart(); 810 fDefaultCenturyStartYear = fCalendar->defaultCenturyStartYear(); 811 } else { 812 fDefaultCenturyStart = DBL_MIN; 813 fDefaultCenturyStartYear = -1; 814 } 815 } 816 } 817 818 /* 819 * Initialize the boolean attributes. Separate so we can call it from all constructors. 820 */ 821 void SimpleDateFormat::initializeBooleanAttributes() 822 { 823 UErrorCode status = U_ZERO_ERROR; 824 825 setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status); 826 setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); 827 setBooleanAttribute(UDAT_PARSE_PARTIAL_MATCH, true, status); 828 setBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, true, status); 829 } 830 831 /* Define one-century window into which to disambiguate dates using 832 * two-digit years. Make public in JDK 1.2. 833 */ 834 void SimpleDateFormat::parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status) 835 { 836 if(U_FAILURE(status)) { 837 return; 838 } 839 if(!fCalendar) { 840 status = U_ILLEGAL_ARGUMENT_ERROR; 841 return; 842 } 843 844 fCalendar->setTime(startDate, status); 845 if(U_SUCCESS(status)) { 846 fHaveDefaultCentury = TRUE; 847 fDefaultCenturyStart = startDate; 848 fDefaultCenturyStartYear = fCalendar->get(UCAL_YEAR, status); 849 } 850 } 851 852 //---------------------------------------------------------------------- 853 854 UnicodeString& 855 SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo, FieldPosition& pos) const 856 { 857 UErrorCode status = U_ZERO_ERROR; 858 FieldPositionOnlyHandler handler(pos); 859 return _format(cal, appendTo, handler, status); 860 } 861 862 //---------------------------------------------------------------------- 863 864 UnicodeString& 865 SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo, 866 FieldPositionIterator* posIter, UErrorCode& status) const 867 { 868 FieldPositionIteratorHandler handler(posIter, status); 869 return _format(cal, appendTo, handler, status); 870 } 871 872 //---------------------------------------------------------------------- 873 874 UnicodeString& 875 SimpleDateFormat::_format(Calendar& cal, UnicodeString& appendTo, 876 FieldPositionHandler& handler, UErrorCode& status) const 877 { 878 if ( U_FAILURE(status) ) { 879 return appendTo; 880 } 881 Calendar* workCal = &cal; 882 Calendar* calClone = NULL; 883 if (&cal != fCalendar && uprv_strcmp(cal.getType(), fCalendar->getType()) != 0) { 884 // Different calendar type 885 // We use the time and time zone from the input calendar, but 886 // do not use the input calendar for field calculation. 887 calClone = fCalendar->clone(); 888 if (calClone != NULL) { 889 UDate t = cal.getTime(status); 890 calClone->setTime(t, status); 891 calClone->setTimeZone(cal.getTimeZone()); 892 workCal = calClone; 893 } else { 894 status = U_MEMORY_ALLOCATION_ERROR; 895 return appendTo; 896 } 897 } 898 899 UBool inQuote = FALSE; 900 UChar prevCh = 0; 901 int32_t count = 0; 902 int32_t fieldNum = 0; 903 UDisplayContext capitalizationContext = getContext(UDISPCTX_TYPE_CAPITALIZATION, status); 904 905 // loop through the pattern string character by character 906 for (int32_t i = 0; i < fPattern.length() && U_SUCCESS(status); ++i) { 907 UChar ch = fPattern[i]; 908 909 // Use subFormat() to format a repeated pattern character 910 // when a different pattern or non-pattern character is seen 911 if (ch != prevCh && count > 0) { 912 subFormat(appendTo, prevCh, count, capitalizationContext, fieldNum++, handler, *workCal, status); 913 count = 0; 914 } 915 if (ch == QUOTE) { 916 // Consecutive single quotes are a single quote literal, 917 // either outside of quotes or between quotes 918 if ((i+1) < fPattern.length() && fPattern[i+1] == QUOTE) { 919 appendTo += (UChar)QUOTE; 920 ++i; 921 } else { 922 inQuote = ! inQuote; 923 } 924 } 925 else if ( ! inQuote && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/) 926 || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) { 927 // ch is a date-time pattern character to be interpreted 928 // by subFormat(); count the number of times it is repeated 929 prevCh = ch; 930 ++count; 931 } 932 else { 933 // Append quoted characters and unquoted non-pattern characters 934 appendTo += ch; 935 } 936 } 937 938 // Format the last item in the pattern, if any 939 if (count > 0) { 940 subFormat(appendTo, prevCh, count, capitalizationContext, fieldNum++, handler, *workCal, status); 941 } 942 943 if (calClone != NULL) { 944 delete calClone; 945 } 946 947 return appendTo; 948 } 949 950 //---------------------------------------------------------------------- 951 952 /* Map calendar field into calendar field level. 953 * the larger the level, the smaller the field unit. 954 * For example, UCAL_ERA level is 0, UCAL_YEAR level is 10, 955 * UCAL_MONTH level is 20. 956 * NOTE: if new fields adds in, the table needs to update. 957 */ 958 const int32_t 959 SimpleDateFormat::fgCalendarFieldToLevel[] = 960 { 961 /*GyM*/ 0, 10, 20, 962 /*wW*/ 20, 30, 963 /*dDEF*/ 30, 20, 30, 30, 964 /*ahHm*/ 40, 50, 50, 60, 965 /*sS*/ 70, 80, 966 /*z?Y*/ 0, 0, 10, 967 /*eug*/ 30, 10, 0, 968 /*A?.*/ 40, 0, 0 969 }; 970 971 972 /* Map calendar field LETTER into calendar field level. 973 * the larger the level, the smaller the field unit. 974 * NOTE: if new fields adds in, the table needs to update. 975 */ 976 const int32_t 977 SimpleDateFormat::fgPatternCharToLevel[] = { 978 // A B C D E F G H I J K L M N O 979 -1, 40, -1, -1, 20, 30, 30, 0, 50, -1, -1, 50, 20, 20, -1, 0, 980 // P Q R S T U V W X Y Z 981 -1, 20, -1, 80, -1, 10, 0, 30, 0, 10, 0, -1, -1, -1, -1, -1, 982 // a b c d e f g h i j k l m n o 983 -1, 40, -1, 30, 30, 30, -1, 0, 50, -1, -1, 50, -1, 60, -1, -1, 984 // p q r s t u v w x y z 985 -1, 20, 10, 70, -1, 10, 0, 20, 0, 10, 0, -1, -1, -1, -1, -1 986 }; 987 988 989 // Map index into pattern character string to Calendar field number. 990 const UCalendarDateFields 991 SimpleDateFormat::fgPatternIndexToCalendarField[] = 992 { 993 /*GyM*/ UCAL_ERA, UCAL_YEAR, UCAL_MONTH, 994 /*dkH*/ UCAL_DATE, UCAL_HOUR_OF_DAY, UCAL_HOUR_OF_DAY, 995 /*msS*/ UCAL_MINUTE, UCAL_SECOND, UCAL_MILLISECOND, 996 /*EDF*/ UCAL_DAY_OF_WEEK, UCAL_DAY_OF_YEAR, UCAL_DAY_OF_WEEK_IN_MONTH, 997 /*wWa*/ UCAL_WEEK_OF_YEAR, UCAL_WEEK_OF_MONTH, UCAL_AM_PM, 998 /*hKz*/ UCAL_HOUR, UCAL_HOUR, UCAL_ZONE_OFFSET, 999 /*Yeu*/ UCAL_YEAR_WOY, UCAL_DOW_LOCAL, UCAL_EXTENDED_YEAR, 1000 /*gAZ*/ UCAL_JULIAN_DAY, UCAL_MILLISECONDS_IN_DAY, UCAL_ZONE_OFFSET, 1001 /*v*/ UCAL_ZONE_OFFSET, 1002 /*c*/ UCAL_DOW_LOCAL, 1003 /*L*/ UCAL_MONTH, 1004 /*Q*/ UCAL_MONTH, 1005 /*q*/ UCAL_MONTH, 1006 /*V*/ UCAL_ZONE_OFFSET, 1007 /*U*/ UCAL_YEAR, 1008 /*O*/ UCAL_ZONE_OFFSET, 1009 /*Xx*/ UCAL_ZONE_OFFSET, UCAL_ZONE_OFFSET, 1010 /*r*/ UCAL_EXTENDED_YEAR, 1011 }; 1012 1013 // Map index into pattern character string to DateFormat field number 1014 const UDateFormatField 1015 SimpleDateFormat::fgPatternIndexToDateFormatField[] = { 1016 /*GyM*/ UDAT_ERA_FIELD, UDAT_YEAR_FIELD, UDAT_MONTH_FIELD, 1017 /*dkH*/ UDAT_DATE_FIELD, UDAT_HOUR_OF_DAY1_FIELD, UDAT_HOUR_OF_DAY0_FIELD, 1018 /*msS*/ UDAT_MINUTE_FIELD, UDAT_SECOND_FIELD, UDAT_FRACTIONAL_SECOND_FIELD, 1019 /*EDF*/ UDAT_DAY_OF_WEEK_FIELD, UDAT_DAY_OF_YEAR_FIELD, UDAT_DAY_OF_WEEK_IN_MONTH_FIELD, 1020 /*wWa*/ UDAT_WEEK_OF_YEAR_FIELD, UDAT_WEEK_OF_MONTH_FIELD, UDAT_AM_PM_FIELD, 1021 /*hKz*/ UDAT_HOUR1_FIELD, UDAT_HOUR0_FIELD, UDAT_TIMEZONE_FIELD, 1022 /*Yeu*/ UDAT_YEAR_WOY_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_EXTENDED_YEAR_FIELD, 1023 /*gAZ*/ UDAT_JULIAN_DAY_FIELD, UDAT_MILLISECONDS_IN_DAY_FIELD, UDAT_TIMEZONE_RFC_FIELD, 1024 /*v*/ UDAT_TIMEZONE_GENERIC_FIELD, 1025 /*c*/ UDAT_STANDALONE_DAY_FIELD, 1026 /*L*/ UDAT_STANDALONE_MONTH_FIELD, 1027 /*Q*/ UDAT_QUARTER_FIELD, 1028 /*q*/ UDAT_STANDALONE_QUARTER_FIELD, 1029 /*V*/ UDAT_TIMEZONE_SPECIAL_FIELD, 1030 /*U*/ UDAT_YEAR_NAME_FIELD, 1031 /*O*/ UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD, 1032 /*Xx*/ UDAT_TIMEZONE_ISO_FIELD, UDAT_TIMEZONE_ISO_LOCAL_FIELD, 1033 /*r*/ UDAT_RELATED_YEAR_FIELD, 1034 }; 1035 1036 //---------------------------------------------------------------------- 1037 1038 /** 1039 * Append symbols[value] to dst. Make sure the array index is not out 1040 * of bounds. 1041 */ 1042 static inline void 1043 _appendSymbol(UnicodeString& dst, 1044 int32_t value, 1045 const UnicodeString* symbols, 1046 int32_t symbolsCount) { 1047 U_ASSERT(0 <= value && value < symbolsCount); 1048 if (0 <= value && value < symbolsCount) { 1049 dst += symbols[value]; 1050 } 1051 } 1052 1053 static inline void 1054 _appendSymbolWithMonthPattern(UnicodeString& dst, int32_t value, const UnicodeString* symbols, int32_t symbolsCount, 1055 const UnicodeString* monthPattern, UErrorCode& status) { 1056 U_ASSERT(0 <= value && value < symbolsCount); 1057 if (0 <= value && value < symbolsCount) { 1058 if (monthPattern == NULL) { 1059 dst += symbols[value]; 1060 } else { 1061 Formattable monthName((const UnicodeString&)(symbols[value])); 1062 MessageFormat::format(*monthPattern, &monthName, 1, dst, status); 1063 } 1064 } 1065 } 1066 1067 //---------------------------------------------------------------------- 1068 void 1069 SimpleDateFormat::initNumberFormatters(const Locale &locale,UErrorCode &status) { 1070 if (U_FAILURE(status)) { 1071 return; 1072 } 1073 if ( fDateOverride.isBogus() && fTimeOverride.isBogus() ) { 1074 return; 1075 } 1076 umtx_lock(&LOCK); 1077 if (fNumberFormatters == NULL) { 1078 fNumberFormatters = (NumberFormat**)uprv_malloc(UDAT_FIELD_COUNT * sizeof(NumberFormat*)); 1079 if (fNumberFormatters) { 1080 for (int32_t i = 0; i < UDAT_FIELD_COUNT; i++) { 1081 fNumberFormatters[i] = fNumberFormat; 1082 } 1083 } else { 1084 status = U_MEMORY_ALLOCATION_ERROR; 1085 } 1086 } 1087 umtx_unlock(&LOCK); 1088 1089 processOverrideString(locale,fDateOverride,kOvrStrDate,status); 1090 processOverrideString(locale,fTimeOverride,kOvrStrTime,status); 1091 1092 } 1093 1094 void 1095 SimpleDateFormat::processOverrideString(const Locale &locale, const UnicodeString &str, int8_t type, UErrorCode &status) { 1096 if (str.isBogus()) { 1097 return; 1098 } 1099 int32_t start = 0; 1100 int32_t len; 1101 UnicodeString nsName; 1102 UnicodeString ovrField; 1103 UBool moreToProcess = TRUE; 1104 1105 while (moreToProcess) { 1106 int32_t delimiterPosition = str.indexOf((UChar)ULOC_KEYWORD_ITEM_SEPARATOR_UNICODE,start); 1107 if (delimiterPosition == -1) { 1108 moreToProcess = FALSE; 1109 len = str.length() - start; 1110 } else { 1111 len = delimiterPosition - start; 1112 } 1113 UnicodeString currentString(str,start,len); 1114 int32_t equalSignPosition = currentString.indexOf((UChar)ULOC_KEYWORD_ASSIGN_UNICODE,0); 1115 if (equalSignPosition == -1) { // Simple override string such as "hebrew" 1116 nsName.setTo(currentString); 1117 ovrField.setToBogus(); 1118 } else { // Field specific override string such as "y=hebrew" 1119 nsName.setTo(currentString,equalSignPosition+1); 1120 ovrField.setTo(currentString,0,1); // We just need the first character. 1121 } 1122 1123 int32_t nsNameHash = nsName.hashCode(); 1124 // See if the numbering system is in the override list, if not, then add it. 1125 NSOverride *cur = fOverrideList; 1126 NumberFormat *nf = NULL; 1127 UBool found = FALSE; 1128 while ( cur && !found ) { 1129 if ( cur->hash == nsNameHash ) { 1130 nf = cur->nf; 1131 found = TRUE; 1132 } 1133 cur = cur->next; 1134 } 1135 1136 if (!found) { 1137 cur = (NSOverride *)uprv_malloc(sizeof(NSOverride)); 1138 if (cur) { 1139 char kw[ULOC_KEYWORD_AND_VALUES_CAPACITY]; 1140 uprv_strcpy(kw,"numbers="); 1141 nsName.extract(0,len,kw+8,ULOC_KEYWORD_AND_VALUES_CAPACITY-8,US_INV); 1142 1143 Locale ovrLoc(locale.getLanguage(),locale.getCountry(),locale.getVariant(),kw); 1144 nf = NumberFormat::createInstance(ovrLoc,status); 1145 1146 // no matter what the locale's default number format looked like, we want 1147 // to modify it so that it doesn't use thousands separators, doesn't always 1148 // show the decimal point, and recognizes integers only when parsing 1149 1150 if (U_SUCCESS(status)) { 1151 nf->setGroupingUsed(FALSE); 1152 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(nf); 1153 if (decfmt != NULL) { 1154 decfmt->setDecimalSeparatorAlwaysShown(FALSE); 1155 } 1156 nf->setParseIntegerOnly(TRUE); 1157 nf->setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00" 1158 1159 cur->nf = nf; 1160 cur->hash = nsNameHash; 1161 cur->next = fOverrideList; 1162 fOverrideList = cur; 1163 } 1164 else { 1165 // clean up before returning 1166 if (cur != NULL) { 1167 uprv_free(cur); 1168 } 1169 return; 1170 } 1171 1172 } else { 1173 status = U_MEMORY_ALLOCATION_ERROR; 1174 return; 1175 } 1176 } 1177 1178 // Now that we have an appropriate number formatter, fill in the appropriate spaces in the 1179 // number formatters table. 1180 1181 if (ovrField.isBogus()) { 1182 switch (type) { 1183 case kOvrStrDate: 1184 case kOvrStrBoth: { 1185 for ( int8_t i=0 ; i<kDateFieldsCount; i++ ) { 1186 fNumberFormatters[kDateFields[i]] = nf; 1187 } 1188 if (type==kOvrStrDate) { 1189 break; 1190 } 1191 } 1192 case kOvrStrTime : { 1193 for ( int8_t i=0 ; i<kTimeFieldsCount; i++ ) { 1194 fNumberFormatters[kTimeFields[i]] = nf; 1195 } 1196 break; 1197 } 1198 } 1199 } else { 1200 // if the pattern character is unrecognized, signal an error and bail out 1201 UDateFormatField patternCharIndex = 1202 DateFormatSymbols::getPatternCharIndex(ovrField.charAt(0)); 1203 if (patternCharIndex == UDAT_FIELD_COUNT) { 1204 status = U_INVALID_FORMAT_ERROR; 1205 return; 1206 } 1207 1208 // Set the number formatter in the table 1209 fNumberFormatters[patternCharIndex] = nf; 1210 } 1211 1212 start = delimiterPosition + 1; 1213 } 1214 } 1215 1216 //--------------------------------------------------------------------- 1217 void 1218 SimpleDateFormat::subFormat(UnicodeString &appendTo, 1219 UChar ch, 1220 int32_t count, 1221 UDisplayContext capitalizationContext, 1222 int32_t fieldNum, 1223 FieldPositionHandler& handler, 1224 Calendar& cal, 1225 UErrorCode& status) const 1226 { 1227 if (U_FAILURE(status)) { 1228 return; 1229 } 1230 1231 // this function gets called by format() to produce the appropriate substitution 1232 // text for an individual pattern symbol (e.g., "HH" or "yyyy") 1233 1234 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch); 1235 const int32_t maxIntCount = 10; 1236 int32_t beginOffset = appendTo.length(); 1237 NumberFormat *currentNumberFormat; 1238 DateFormatSymbols::ECapitalizationContextUsageType capContextUsageType = DateFormatSymbols::kCapContextUsageOther; 1239 1240 UBool isHebrewCalendar = (uprv_strcmp(cal.getType(),"hebrew") == 0); 1241 UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 0 || uprv_strcmp(cal.getType(),"dangi") == 0); 1242 1243 // if the pattern character is unrecognized, signal an error and dump out 1244 if (patternCharIndex == UDAT_FIELD_COUNT) 1245 { 1246 if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored 1247 status = U_INVALID_FORMAT_ERROR; 1248 } 1249 return; 1250 } 1251 1252 UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; 1253 int32_t value = (patternCharIndex != UDAT_RELATED_YEAR_FIELD)? cal.get(field, status): cal.getRelatedYear(status); 1254 if (U_FAILURE(status)) { 1255 return; 1256 } 1257 1258 currentNumberFormat = getNumberFormatByIndex(patternCharIndex); 1259 UnicodeString hebr("hebr", 4, US_INV); 1260 1261 switch (patternCharIndex) { 1262 1263 // for any "G" symbol, write out the appropriate era string 1264 // "GGGG" is wide era name, "GGGGG" is narrow era name, anything else is abbreviated name 1265 case UDAT_ERA_FIELD: 1266 if (isChineseCalendar) { 1267 zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, 9); // as in ICU4J 1268 } else { 1269 if (count == 5) { 1270 _appendSymbol(appendTo, value, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount); 1271 capContextUsageType = DateFormatSymbols::kCapContextUsageEraNarrow; 1272 } else if (count == 4) { 1273 _appendSymbol(appendTo, value, fSymbols->fEraNames, fSymbols->fEraNamesCount); 1274 capContextUsageType = DateFormatSymbols::kCapContextUsageEraWide; 1275 } else { 1276 _appendSymbol(appendTo, value, fSymbols->fEras, fSymbols->fErasCount); 1277 capContextUsageType = DateFormatSymbols::kCapContextUsageEraAbbrev; 1278 } 1279 } 1280 break; 1281 1282 case UDAT_YEAR_NAME_FIELD: 1283 if (fSymbols->fShortYearNames != NULL && value <= fSymbols->fShortYearNamesCount) { 1284 // the Calendar YEAR field runs 1 through 60 for cyclic years 1285 _appendSymbol(appendTo, value - 1, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount); 1286 break; 1287 } 1288 // else fall through to numeric year handling, do not break here 1289 1290 // OLD: for "yyyy", write out the whole year; for "yy", write out the last 2 digits 1291 // NEW: UTS#35: 1292 //Year y yy yyy yyyy yyyyy 1293 //AD 1 1 01 001 0001 00001 1294 //AD 12 12 12 012 0012 00012 1295 //AD 123 123 23 123 0123 00123 1296 //AD 1234 1234 34 1234 1234 01234 1297 //AD 12345 12345 45 12345 12345 12345 1298 case UDAT_YEAR_FIELD: 1299 case UDAT_YEAR_WOY_FIELD: 1300 if (fDateOverride.compare(hebr)==0 && value>HEBREW_CAL_CUR_MILLENIUM_START_YEAR && value<HEBREW_CAL_CUR_MILLENIUM_END_YEAR) { 1301 value-=HEBREW_CAL_CUR_MILLENIUM_START_YEAR; 1302 } 1303 if(count == 2) 1304 zeroPaddingNumber(currentNumberFormat, appendTo, value, 2, 2); 1305 else 1306 zeroPaddingNumber(currentNumberFormat, appendTo, value, count, maxIntCount); 1307 break; 1308 1309 // for "MMMM"/"LLLL", write out the whole month name, for "MMM"/"LLL", write out the month 1310 // abbreviation, for "M"/"L" or "MM"/"LL", write out the month as a number with the 1311 // appropriate number of digits 1312 // for "MMMMM"/"LLLLL", use the narrow form 1313 case UDAT_MONTH_FIELD: 1314 case UDAT_STANDALONE_MONTH_FIELD: 1315 if ( isHebrewCalendar ) { 1316 HebrewCalendar *hc = (HebrewCalendar*)&cal; 1317 if (hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value == 6 && count >= 3 ) 1318 value = 13; // Show alternate form for Adar II in leap years in Hebrew calendar. 1319 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6 && count < 3 ) 1320 value--; // Adjust the month number down 1 in Hebrew non-leap years, i.e. Adar is 6, not 7. 1321 } 1322 { 1323 int32_t isLeapMonth = (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount)? 1324 cal.get(UCAL_IS_LEAP_MONTH, status): 0; 1325 // should consolidate the next section by using arrays of pointers & counts for the right symbols... 1326 if (count == 5) { 1327 if (patternCharIndex == UDAT_MONTH_FIELD) { 1328 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fNarrowMonths, fSymbols->fNarrowMonthsCount, 1329 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatNarrow]): NULL, status); 1330 } else { 1331 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneNarrowMonths, fSymbols->fStandaloneNarrowMonthsCount, 1332 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneNarrow]): NULL, status); 1333 } 1334 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthNarrow; 1335 } else if (count == 4) { 1336 if (patternCharIndex == UDAT_MONTH_FIELD) { 1337 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fMonths, fSymbols->fMonthsCount, 1338 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide]): NULL, status); 1339 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat; 1340 } else { 1341 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, 1342 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]): NULL, status); 1343 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone; 1344 } 1345 } else if (count == 3) { 1346 if (patternCharIndex == UDAT_MONTH_FIELD) { 1347 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, 1348 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev]): NULL, status); 1349 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat; 1350 } else { 1351 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, 1352 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]): NULL, status); 1353 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone; 1354 } 1355 } else { 1356 UnicodeString monthNumber; 1357 zeroPaddingNumber(currentNumberFormat,monthNumber, value + 1, count, maxIntCount); 1358 _appendSymbolWithMonthPattern(appendTo, 0, &monthNumber, 1, 1359 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric]): NULL, status); 1360 } 1361 } 1362 break; 1363 1364 // for "k" and "kk", write out the hour, adjusting midnight to appear as "24" 1365 case UDAT_HOUR_OF_DAY1_FIELD: 1366 if (value == 0) 1367 zeroPaddingNumber(currentNumberFormat,appendTo, cal.getMaximum(UCAL_HOUR_OF_DAY) + 1, count, maxIntCount); 1368 else 1369 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); 1370 break; 1371 1372 case UDAT_FRACTIONAL_SECOND_FIELD: 1373 // Fractional seconds left-justify 1374 { 1375 currentNumberFormat->setMinimumIntegerDigits((count > 3) ? 3 : count); 1376 currentNumberFormat->setMaximumIntegerDigits(maxIntCount); 1377 if (count == 1) { 1378 value /= 100; 1379 } else if (count == 2) { 1380 value /= 10; 1381 } 1382 FieldPosition p(0); 1383 currentNumberFormat->format(value, appendTo, p); 1384 if (count > 3) { 1385 currentNumberFormat->setMinimumIntegerDigits(count - 3); 1386 currentNumberFormat->format((int32_t)0, appendTo, p); 1387 } 1388 } 1389 break; 1390 1391 // for "ee" or "e", use local numeric day-of-the-week 1392 // for "EEEEEE" or "eeeeee", write out the short day-of-the-week name 1393 // for "EEEEE" or "eeeee", write out the narrow day-of-the-week name 1394 // for "EEEE" or "eeee", write out the wide day-of-the-week name 1395 // for "EEE" or "EE" or "E" or "eee", write out the abbreviated day-of-the-week name 1396 case UDAT_DOW_LOCAL_FIELD: 1397 if ( count < 3 ) { 1398 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); 1399 break; 1400 } 1401 // fall through to EEEEE-EEE handling, but for that we don't want local day-of-week, 1402 // we want standard day-of-week, so first fix value to work for EEEEE-EEE. 1403 value = cal.get(UCAL_DAY_OF_WEEK, status); 1404 if (U_FAILURE(status)) { 1405 return; 1406 } 1407 // fall through, do not break here 1408 case UDAT_DAY_OF_WEEK_FIELD: 1409 if (count == 5) { 1410 _appendSymbol(appendTo, value, fSymbols->fNarrowWeekdays, 1411 fSymbols->fNarrowWeekdaysCount); 1412 capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow; 1413 } else if (count == 4) { 1414 _appendSymbol(appendTo, value, fSymbols->fWeekdays, 1415 fSymbols->fWeekdaysCount); 1416 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; 1417 } else if (count == 6) { 1418 _appendSymbol(appendTo, value, fSymbols->fShorterWeekdays, 1419 fSymbols->fShorterWeekdaysCount); 1420 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; 1421 } else { 1422 _appendSymbol(appendTo, value, fSymbols->fShortWeekdays, 1423 fSymbols->fShortWeekdaysCount); 1424 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; 1425 } 1426 break; 1427 1428 // for "ccc", write out the abbreviated day-of-the-week name 1429 // for "cccc", write out the wide day-of-the-week name 1430 // for "ccccc", use the narrow day-of-the-week name 1431 // for "ccccc", use the short day-of-the-week name 1432 case UDAT_STANDALONE_DAY_FIELD: 1433 if ( count < 3 ) { 1434 zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, maxIntCount); 1435 break; 1436 } 1437 // fall through to alpha DOW handling, but for that we don't want local day-of-week, 1438 // we want standard day-of-week, so first fix value. 1439 value = cal.get(UCAL_DAY_OF_WEEK, status); 1440 if (U_FAILURE(status)) { 1441 return; 1442 } 1443 if (count == 5) { 1444 _appendSymbol(appendTo, value, fSymbols->fStandaloneNarrowWeekdays, 1445 fSymbols->fStandaloneNarrowWeekdaysCount); 1446 capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow; 1447 } else if (count == 4) { 1448 _appendSymbol(appendTo, value, fSymbols->fStandaloneWeekdays, 1449 fSymbols->fStandaloneWeekdaysCount); 1450 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; 1451 } else if (count == 6) { 1452 _appendSymbol(appendTo, value, fSymbols->fStandaloneShorterWeekdays, 1453 fSymbols->fStandaloneShorterWeekdaysCount); 1454 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; 1455 } else { // count == 3 1456 _appendSymbol(appendTo, value, fSymbols->fStandaloneShortWeekdays, 1457 fSymbols->fStandaloneShortWeekdaysCount); 1458 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; 1459 } 1460 break; 1461 1462 // for and "a" symbol, write out the whole AM/PM string 1463 case UDAT_AM_PM_FIELD: 1464 _appendSymbol(appendTo, value, fSymbols->fAmPms, 1465 fSymbols->fAmPmsCount); 1466 break; 1467 1468 // for "h" and "hh", write out the hour, adjusting noon and midnight to show up 1469 // as "12" 1470 case UDAT_HOUR1_FIELD: 1471 if (value == 0) 1472 zeroPaddingNumber(currentNumberFormat,appendTo, cal.getLeastMaximum(UCAL_HOUR) + 1, count, maxIntCount); 1473 else 1474 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); 1475 break; 1476 1477 case UDAT_TIMEZONE_FIELD: // 'z' 1478 case UDAT_TIMEZONE_RFC_FIELD: // 'Z' 1479 case UDAT_TIMEZONE_GENERIC_FIELD: // 'v' 1480 case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V' 1481 case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O' 1482 case UDAT_TIMEZONE_ISO_FIELD: // 'X' 1483 case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x' 1484 { 1485 UnicodeString zoneString; 1486 const TimeZone& tz = cal.getTimeZone(); 1487 UDate date = cal.getTime(status); 1488 if (U_SUCCESS(status)) { 1489 if (patternCharIndex == UDAT_TIMEZONE_FIELD) { 1490 if (count < 4) { 1491 // "z", "zz", "zzz" 1492 tzFormat()->format(UTZFMT_STYLE_SPECIFIC_SHORT, tz, date, zoneString); 1493 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; 1494 } else { 1495 // "zzzz" or longer 1496 tzFormat()->format(UTZFMT_STYLE_SPECIFIC_LONG, tz, date, zoneString); 1497 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong; 1498 } 1499 } 1500 else if (patternCharIndex == UDAT_TIMEZONE_RFC_FIELD) { 1501 if (count < 4) { 1502 // "Z" 1503 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString); 1504 } else if (count == 5) { 1505 // "ZZZZZ" 1506 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString); 1507 } else { 1508 // "ZZ", "ZZZ", "ZZZZ" 1509 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString); 1510 } 1511 } 1512 else if (patternCharIndex == UDAT_TIMEZONE_GENERIC_FIELD) { 1513 if (count == 1) { 1514 // "v" 1515 tzFormat()->format(UTZFMT_STYLE_GENERIC_SHORT, tz, date, zoneString); 1516 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; 1517 } else if (count == 4) { 1518 // "vvvv" 1519 tzFormat()->format(UTZFMT_STYLE_GENERIC_LONG, tz, date, zoneString); 1520 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong; 1521 } 1522 } 1523 else if (patternCharIndex == UDAT_TIMEZONE_SPECIAL_FIELD) { 1524 if (count == 1) { 1525 // "V" 1526 tzFormat()->format(UTZFMT_STYLE_ZONE_ID_SHORT, tz, date, zoneString); 1527 } else if (count == 2) { 1528 // "VV" 1529 tzFormat()->format(UTZFMT_STYLE_ZONE_ID, tz, date, zoneString); 1530 } else if (count == 3) { 1531 // "VVV" 1532 tzFormat()->format(UTZFMT_STYLE_EXEMPLAR_LOCATION, tz, date, zoneString); 1533 } else if (count == 4) { 1534 // "VVVV" 1535 tzFormat()->format(UTZFMT_STYLE_GENERIC_LOCATION, tz, date, zoneString); 1536 capContextUsageType = DateFormatSymbols::kCapContextUsageZoneLong; 1537 } 1538 } 1539 else if (patternCharIndex == UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD) { 1540 if (count == 1) { 1541 // "O" 1542 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT_SHORT, tz, date, zoneString); 1543 } else if (count == 4) { 1544 // "OOOO" 1545 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString); 1546 } 1547 } 1548 else if (patternCharIndex == UDAT_TIMEZONE_ISO_FIELD) { 1549 if (count == 1) { 1550 // "X" 1551 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_SHORT, tz, date, zoneString); 1552 } else if (count == 2) { 1553 // "XX" 1554 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_FIXED, tz, date, zoneString); 1555 } else if (count == 3) { 1556 // "XXX" 1557 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FIXED, tz, date, zoneString); 1558 } else if (count == 4) { 1559 // "XXXX" 1560 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_FULL, tz, date, zoneString); 1561 } else if (count == 5) { 1562 // "XXXXX" 1563 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString); 1564 } 1565 } 1566 else if (patternCharIndex == UDAT_TIMEZONE_ISO_LOCAL_FIELD) { 1567 if (count == 1) { 1568 // "x" 1569 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT, tz, date, zoneString); 1570 } else if (count == 2) { 1571 // "xx" 1572 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED, tz, date, zoneString); 1573 } else if (count == 3) { 1574 // "xxx" 1575 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED, tz, date, zoneString); 1576 } else if (count == 4) { 1577 // "xxxx" 1578 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString); 1579 } else if (count == 5) { 1580 // "xxxxx" 1581 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL, tz, date, zoneString); 1582 } 1583 } 1584 else { 1585 U_ASSERT(FALSE); 1586 } 1587 } 1588 appendTo += zoneString; 1589 } 1590 break; 1591 1592 case UDAT_QUARTER_FIELD: 1593 if (count >= 4) 1594 _appendSymbol(appendTo, value/3, fSymbols->fQuarters, 1595 fSymbols->fQuartersCount); 1596 else if (count == 3) 1597 _appendSymbol(appendTo, value/3, fSymbols->fShortQuarters, 1598 fSymbols->fShortQuartersCount); 1599 else 1600 zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount); 1601 break; 1602 1603 case UDAT_STANDALONE_QUARTER_FIELD: 1604 if (count >= 4) 1605 _appendSymbol(appendTo, value/3, fSymbols->fStandaloneQuarters, 1606 fSymbols->fStandaloneQuartersCount); 1607 else if (count == 3) 1608 _appendSymbol(appendTo, value/3, fSymbols->fStandaloneShortQuarters, 1609 fSymbols->fStandaloneShortQuartersCount); 1610 else 1611 zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount); 1612 break; 1613 1614 1615 // all of the other pattern symbols can be formatted as simple numbers with 1616 // appropriate zero padding 1617 default: 1618 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); 1619 break; 1620 } 1621 #if !UCONFIG_NO_BREAK_ITERATION 1622 // if first field, check to see whether we need to and are able to titlecase it 1623 if (fieldNum == 0 && u_islower(appendTo.char32At(beginOffset)) && fCapitalizationBrkIter != NULL) { 1624 UBool titlecase = FALSE; 1625 switch (capitalizationContext) { 1626 case UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE: 1627 titlecase = TRUE; 1628 break; 1629 case UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU: 1630 titlecase = fSymbols->fCapitalization[capContextUsageType][0]; 1631 break; 1632 case UDISPCTX_CAPITALIZATION_FOR_STANDALONE: 1633 titlecase = fSymbols->fCapitalization[capContextUsageType][1]; 1634 break; 1635 default: 1636 // titlecase = FALSE; 1637 break; 1638 } 1639 if (titlecase) { 1640 UnicodeString firstField(appendTo, beginOffset); 1641 firstField.toTitle(fCapitalizationBrkIter, fLocale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT); 1642 appendTo.replaceBetween(beginOffset, appendTo.length(), firstField); 1643 } 1644 } 1645 #endif 1646 1647 handler.addAttribute(fgPatternIndexToDateFormatField[patternCharIndex], beginOffset, appendTo.length()); 1648 } 1649 1650 //---------------------------------------------------------------------- 1651 1652 NumberFormat * 1653 SimpleDateFormat::getNumberFormatByIndex(UDateFormatField index) const { 1654 if (fNumberFormatters != NULL) { 1655 return fNumberFormatters[index]; 1656 } else { 1657 return fNumberFormat; 1658 } 1659 } 1660 1661 //---------------------------------------------------------------------- 1662 void 1663 SimpleDateFormat::zeroPaddingNumber(NumberFormat *currentNumberFormat,UnicodeString &appendTo, 1664 int32_t value, int32_t minDigits, int32_t maxDigits) const 1665 { 1666 if (currentNumberFormat!=NULL) { 1667 FieldPosition pos(0); 1668 1669 currentNumberFormat->setMinimumIntegerDigits(minDigits); 1670 currentNumberFormat->setMaximumIntegerDigits(maxDigits); 1671 currentNumberFormat->format(value, appendTo, pos); // 3rd arg is there to speed up processing 1672 } 1673 } 1674 1675 //---------------------------------------------------------------------- 1676 1677 /** 1678 * Return true if the given format character, occuring count 1679 * times, represents a numeric field. 1680 */ 1681 UBool SimpleDateFormat::isNumeric(UChar formatChar, int32_t count) { 1682 return DateFormatSymbols::isNumericPatternChar(formatChar, count); 1683 } 1684 1685 UBool 1686 SimpleDateFormat::isAtNumericField(const UnicodeString &pattern, int32_t patternOffset) { 1687 if (patternOffset >= pattern.length()) { 1688 // not at any field 1689 return FALSE; 1690 } 1691 UChar ch = pattern.charAt(patternOffset); 1692 UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch); 1693 if (f == UDAT_FIELD_COUNT) { 1694 // not at any field 1695 return FALSE; 1696 } 1697 int32_t i = patternOffset; 1698 while (pattern.charAt(++i) == ch) {} 1699 return DateFormatSymbols::isNumericField(f, i - patternOffset); 1700 } 1701 1702 UBool 1703 SimpleDateFormat::isAfterNonNumericField(const UnicodeString &pattern, int32_t patternOffset) { 1704 if (patternOffset <= 0) { 1705 // not after any field 1706 return FALSE; 1707 } 1708 UChar ch = pattern.charAt(--patternOffset); 1709 UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch); 1710 if (f == UDAT_FIELD_COUNT) { 1711 // not after any field 1712 return FALSE; 1713 } 1714 int32_t i = patternOffset; 1715 while (pattern.charAt(--i) == ch) {} 1716 return !DateFormatSymbols::isNumericField(f, patternOffset - i); 1717 } 1718 1719 void 1720 SimpleDateFormat::parse(const UnicodeString& text, Calendar& cal, ParsePosition& parsePos) const 1721 { 1722 UErrorCode status = U_ZERO_ERROR; 1723 int32_t pos = parsePos.getIndex(); 1724 int32_t start = pos; 1725 1726 UBool ambiguousYear[] = { FALSE }; 1727 int32_t saveHebrewMonth = -1; 1728 int32_t count = 0; 1729 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; 1730 1731 // For parsing abutting numeric fields. 'abutPat' is the 1732 // offset into 'pattern' of the first of 2 or more abutting 1733 // numeric fields. 'abutStart' is the offset into 'text' 1734 // where parsing the fields begins. 'abutPass' starts off as 0 1735 // and increments each time we try to parse the fields. 1736 int32_t abutPat = -1; // If >=0, we are in a run of abutting numeric fields 1737 int32_t abutStart = 0; 1738 int32_t abutPass = 0; 1739 UBool inQuote = FALSE; 1740 1741 MessageFormat * numericLeapMonthFormatter = NULL; 1742 1743 Calendar* calClone = NULL; 1744 Calendar *workCal = &cal; 1745 if (&cal != fCalendar && uprv_strcmp(cal.getType(), fCalendar->getType()) != 0) { 1746 // Different calendar type 1747 // We use the time/zone from the input calendar, but 1748 // do not use the input calendar for field calculation. 1749 calClone = fCalendar->clone(); 1750 if (calClone != NULL) { 1751 calClone->setTime(cal.getTime(status),status); 1752 if (U_FAILURE(status)) { 1753 goto ExitParse; 1754 } 1755 calClone->setTimeZone(cal.getTimeZone()); 1756 workCal = calClone; 1757 } else { 1758 status = U_MEMORY_ALLOCATION_ERROR; 1759 goto ExitParse; 1760 } 1761 } 1762 1763 if (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) { 1764 numericLeapMonthFormatter = new MessageFormat(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric], fLocale, status); 1765 if (numericLeapMonthFormatter == NULL) { 1766 status = U_MEMORY_ALLOCATION_ERROR; 1767 goto ExitParse; 1768 } else if (U_FAILURE(status)) { 1769 goto ExitParse; // this will delete numericLeapMonthFormatter 1770 } 1771 } 1772 1773 for (int32_t i=0; i<fPattern.length(); ++i) { 1774 UChar ch = fPattern.charAt(i); 1775 1776 // Handle alphabetic field characters. 1777 if (!inQuote && ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { // [A-Za-z] 1778 int32_t fieldPat = i; 1779 1780 // Count the length of this field specifier 1781 count = 1; 1782 while ((i+1)<fPattern.length() && 1783 fPattern.charAt(i+1) == ch) { 1784 ++count; 1785 ++i; 1786 } 1787 1788 if (isNumeric(ch, count)) { 1789 if (abutPat < 0) { 1790 // Determine if there is an abutting numeric field. 1791 // Record the start of a set of abutting numeric fields. 1792 if (isAtNumericField(fPattern, i + 1)) { 1793 abutPat = fieldPat; 1794 abutStart = pos; 1795 abutPass = 0; 1796 } 1797 } 1798 } else { 1799 abutPat = -1; // End of any abutting fields 1800 } 1801 1802 // Handle fields within a run of abutting numeric fields. Take 1803 // the pattern "HHmmss" as an example. We will try to parse 1804 // 2/2/2 characters of the input text, then if that fails, 1805 // 1/2/2. We only adjust the width of the leftmost field; the 1806 // others remain fixed. This allows "123456" => 12:34:56, but 1807 // "12345" => 1:23:45. Likewise, for the pattern "yyyyMMdd" we 1808 // try 4/2/2, 3/2/2, 2/2/2, and finally 1/2/2. 1809 if (abutPat >= 0) { 1810 // If we are at the start of a run of abutting fields, then 1811 // shorten this field in each pass. If we can't shorten 1812 // this field any more, then the parse of this set of 1813 // abutting numeric fields has failed. 1814 if (fieldPat == abutPat) { 1815 count -= abutPass++; 1816 if (count == 0) { 1817 status = U_PARSE_ERROR; 1818 goto ExitParse; 1819 } 1820 } 1821 1822 pos = subParse(text, pos, ch, count, 1823 TRUE, FALSE, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter, &tzTimeType); 1824 1825 // If the parse fails anywhere in the run, back up to the 1826 // start of the run and retry. 1827 if (pos < 0) { 1828 i = abutPat - 1; 1829 pos = abutStart; 1830 continue; 1831 } 1832 } 1833 1834 // Handle non-numeric fields and non-abutting numeric 1835 // fields. 1836 else if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored 1837 int32_t s = subParse(text, pos, ch, count, 1838 FALSE, TRUE, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter, &tzTimeType); 1839 1840 if (s == -pos-1) { 1841 // era not present, in special cases allow this to continue 1842 // from the position where the era was expected 1843 s = pos; 1844 1845 if (i+1 < fPattern.length()) { 1846 // move to next pattern character 1847 UChar ch = fPattern.charAt(i+1); 1848 1849 // check for whitespace 1850 if (PatternProps::isWhiteSpace(ch)) { 1851 i++; 1852 // Advance over run in pattern 1853 while ((i+1)<fPattern.length() && 1854 PatternProps::isWhiteSpace(fPattern.charAt(i+1))) { 1855 ++i; 1856 } 1857 } 1858 } 1859 } 1860 else if (s <= 0) { 1861 status = U_PARSE_ERROR; 1862 goto ExitParse; 1863 } 1864 pos = s; 1865 } 1866 } 1867 1868 // Handle literal pattern characters. These are any 1869 // quoted characters and non-alphabetic unquoted 1870 // characters. 1871 else { 1872 1873 abutPat = -1; // End of any abutting fields 1874 1875 if (! matchLiterals(fPattern, i, text, pos, getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status), getBooleanAttribute(UDAT_PARSE_PARTIAL_MATCH, status))) { 1876 status = U_PARSE_ERROR; 1877 goto ExitParse; 1878 } 1879 } 1880 } 1881 1882 // Special hack for trailing "." after non-numeric field. 1883 if (text.charAt(pos) == 0x2e && getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)) { 1884 // only do if the last field is not numeric 1885 if (isAfterNonNumericField(fPattern, fPattern.length())) { 1886 pos++; // skip the extra "." 1887 } 1888 } 1889 1890 // At this point the fields of Calendar have been set. Calendar 1891 // will fill in default values for missing fields when the time 1892 // is computed. 1893 1894 parsePos.setIndex(pos); 1895 1896 // This part is a problem: When we call parsedDate.after, we compute the time. 1897 // Take the date April 3 2004 at 2:30 am. When this is first set up, the year 1898 // will be wrong if we're parsing a 2-digit year pattern. It will be 1904. 1899 // April 3 1904 is a Sunday (unlike 2004) so it is the DST onset day. 2:30 am 1900 // is therefore an "impossible" time, since the time goes from 1:59 to 3:00 am 1901 // on that day. It is therefore parsed out to fields as 3:30 am. Then we 1902 // add 100 years, and get April 3 2004 at 3:30 am. Note that April 3 2004 is 1903 // a Saturday, so it can have a 2:30 am -- and it should. [LIU] 1904 /* 1905 UDate parsedDate = calendar.getTime(); 1906 if( ambiguousYear[0] && !parsedDate.after(fDefaultCenturyStart) ) { 1907 calendar.add(Calendar.YEAR, 100); 1908 parsedDate = calendar.getTime(); 1909 } 1910 */ 1911 // Because of the above condition, save off the fields in case we need to readjust. 1912 // The procedure we use here is not particularly efficient, but there is no other 1913 // way to do this given the API restrictions present in Calendar. We minimize 1914 // inefficiency by only performing this computation when it might apply, that is, 1915 // when the two-digit year is equal to the start year, and thus might fall at the 1916 // front or the back of the default century. This only works because we adjust 1917 // the year correctly to start with in other cases -- see subParse(). 1918 if (ambiguousYear[0] || tzTimeType != UTZFMT_TIME_TYPE_UNKNOWN) // If this is true then the two-digit year == the default start year 1919 { 1920 // We need a copy of the fields, and we need to avoid triggering a call to 1921 // complete(), which will recalculate the fields. Since we can't access 1922 // the fields[] array in Calendar, we clone the entire object. This will 1923 // stop working if Calendar.clone() is ever rewritten to call complete(). 1924 Calendar *copy; 1925 if (ambiguousYear[0]) { 1926 copy = cal.clone(); 1927 // Check for failed cloning. 1928 if (copy == NULL) { 1929 status = U_MEMORY_ALLOCATION_ERROR; 1930 goto ExitParse; 1931 } 1932 UDate parsedDate = copy->getTime(status); 1933 // {sfb} check internalGetDefaultCenturyStart 1934 if (fHaveDefaultCentury && (parsedDate < fDefaultCenturyStart)) { 1935 // We can't use add here because that does a complete() first. 1936 cal.set(UCAL_YEAR, fDefaultCenturyStartYear + 100); 1937 } 1938 delete copy; 1939 } 1940 1941 if (tzTimeType != UTZFMT_TIME_TYPE_UNKNOWN) { 1942 copy = cal.clone(); 1943 // Check for failed cloning. 1944 if (copy == NULL) { 1945 status = U_MEMORY_ALLOCATION_ERROR; 1946 goto ExitParse; 1947 } 1948 const TimeZone & tz = cal.getTimeZone(); 1949 BasicTimeZone *btz = NULL; 1950 1951 if (dynamic_cast<const OlsonTimeZone *>(&tz) != NULL 1952 || dynamic_cast<const SimpleTimeZone *>(&tz) != NULL 1953 || dynamic_cast<const RuleBasedTimeZone *>(&tz) != NULL 1954 || dynamic_cast<const VTimeZone *>(&tz) != NULL) { 1955 btz = (BasicTimeZone*)&tz; 1956 } 1957 1958 // Get local millis 1959 copy->set(UCAL_ZONE_OFFSET, 0); 1960 copy->set(UCAL_DST_OFFSET, 0); 1961 UDate localMillis = copy->getTime(status); 1962 1963 // Make sure parsed time zone type (Standard or Daylight) 1964 // matches the rule used by the parsed time zone. 1965 int32_t raw, dst; 1966 if (btz != NULL) { 1967 if (tzTimeType == UTZFMT_TIME_TYPE_STANDARD) { 1968 btz->getOffsetFromLocal(localMillis, 1969 BasicTimeZone::kStandard, BasicTimeZone::kStandard, raw, dst, status); 1970 } else { 1971 btz->getOffsetFromLocal(localMillis, 1972 BasicTimeZone::kDaylight, BasicTimeZone::kDaylight, raw, dst, status); 1973 } 1974 } else { 1975 // No good way to resolve ambiguous time at transition, 1976 // but following code work in most case. 1977 tz.getOffset(localMillis, TRUE, raw, dst, status); 1978 } 1979 1980 // Now, compare the results with parsed type, either standard or daylight saving time 1981 int32_t resolvedSavings = dst; 1982 if (tzTimeType == UTZFMT_TIME_TYPE_STANDARD) { 1983 if (dst != 0) { 1984 // Override DST_OFFSET = 0 in the result calendar 1985 resolvedSavings = 0; 1986 } 1987 } else { // tztype == TZTYPE_DST 1988 if (dst == 0) { 1989 if (btz != NULL) { 1990 UDate time = localMillis + raw; 1991 // We use the nearest daylight saving time rule. 1992 TimeZoneTransition beforeTrs, afterTrs; 1993 UDate beforeT = time, afterT = time; 1994 int32_t beforeSav = 0, afterSav = 0; 1995 UBool beforeTrsAvail, afterTrsAvail; 1996 1997 // Search for DST rule before or on the time 1998 while (TRUE) { 1999 beforeTrsAvail = btz->getPreviousTransition(beforeT, TRUE, beforeTrs); 2000 if (!beforeTrsAvail) { 2001 break; 2002 } 2003 beforeT = beforeTrs.getTime() - 1; 2004 beforeSav = beforeTrs.getFrom()->getDSTSavings(); 2005 if (beforeSav != 0) { 2006 break; 2007 } 2008 } 2009 2010 // Search for DST rule after the time 2011 while (TRUE) { 2012 afterTrsAvail = btz->getNextTransition(afterT, FALSE, afterTrs); 2013 if (!afterTrsAvail) { 2014 break; 2015 } 2016 afterT = afterTrs.getTime(); 2017 afterSav = afterTrs.getTo()->getDSTSavings(); 2018 if (afterSav != 0) { 2019 break; 2020 } 2021 } 2022 2023 if (beforeTrsAvail && afterTrsAvail) { 2024 if (time - beforeT > afterT - time) { 2025 resolvedSavings = afterSav; 2026 } else { 2027 resolvedSavings = beforeSav; 2028 } 2029 } else if (beforeTrsAvail && beforeSav != 0) { 2030 resolvedSavings = beforeSav; 2031 } else if (afterTrsAvail && afterSav != 0) { 2032 resolvedSavings = afterSav; 2033 } else { 2034 resolvedSavings = btz->getDSTSavings(); 2035 } 2036 } else { 2037 resolvedSavings = tz.getDSTSavings(); 2038 } 2039 if (resolvedSavings == 0) { 2040 // final fallback 2041 resolvedSavings = U_MILLIS_PER_HOUR; 2042 } 2043 } 2044 } 2045 cal.set(UCAL_ZONE_OFFSET, raw); 2046 cal.set(UCAL_DST_OFFSET, resolvedSavings); 2047 delete copy; 2048 } 2049 } 2050 ExitParse: 2051 // Set the parsed result if local calendar is used 2052 // instead of the input calendar 2053 if (U_SUCCESS(status) && workCal != &cal) { 2054 cal.setTimeZone(workCal->getTimeZone()); 2055 cal.setTime(workCal->getTime(status), status); 2056 } 2057 2058 if (numericLeapMonthFormatter != NULL) { 2059 delete numericLeapMonthFormatter; 2060 } 2061 if (calClone != NULL) { 2062 delete calClone; 2063 } 2064 2065 // If any Calendar calls failed, we pretend that we 2066 // couldn't parse the string, when in reality this isn't quite accurate-- 2067 // we did parse it; the Calendar calls just failed. 2068 if (U_FAILURE(status)) { 2069 parsePos.setErrorIndex(pos); 2070 parsePos.setIndex(start); 2071 } 2072 } 2073 2074 //---------------------------------------------------------------------- 2075 2076 static UBool 2077 newBestMatchWithOptionalDot(const UnicodeString &lcaseText, 2078 const UnicodeString &data, 2079 UnicodeString &bestMatchName, 2080 int32_t &bestMatchLength); 2081 2082 int32_t SimpleDateFormat::matchQuarterString(const UnicodeString& text, 2083 int32_t start, 2084 UCalendarDateFields field, 2085 const UnicodeString* data, 2086 int32_t dataCount, 2087 Calendar& cal) const 2088 { 2089 int32_t i = 0; 2090 int32_t count = dataCount; 2091 2092 // There may be multiple strings in the data[] array which begin with 2093 // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech). 2094 // We keep track of the longest match, and return that. Note that this 2095 // unfortunately requires us to test all array elements. 2096 int32_t bestMatchLength = 0, bestMatch = -1; 2097 UnicodeString bestMatchName; 2098 2099 // {sfb} kludge to support case-insensitive comparison 2100 // {markus 2002oct11} do not just use caseCompareBetween because we do not know 2101 // the length of the match after case folding 2102 // {alan 20040607} don't case change the whole string, since the length 2103 // can change 2104 // TODO we need a case-insensitive startsWith function 2105 UnicodeString lcaseText; 2106 text.extract(start, INT32_MAX, lcaseText); 2107 lcaseText.foldCase(); 2108 2109 for (; i < count; ++i) 2110 { 2111 // Always compare if we have no match yet; otherwise only compare 2112 // against potentially better matches (longer strings). 2113 2114 if (newBestMatchWithOptionalDot(lcaseText, data[i], bestMatchName, bestMatchLength)) { 2115 bestMatch = i; 2116 } 2117 } 2118 if (bestMatch >= 0) 2119 { 2120 cal.set(field, bestMatch * 3); 2121 2122 // Once we have a match, we have to determine the length of the 2123 // original source string. This will usually be == the length of 2124 // the case folded string, but it may differ (e.g. sharp s). 2125 2126 // Most of the time, the length will be the same as the length 2127 // of the string from the locale data. Sometimes it will be 2128 // different, in which case we will have to figure it out by 2129 // adding a character at a time, until we have a match. We do 2130 // this all in one loop, where we try 'len' first (at index 2131 // i==0). 2132 int32_t len = bestMatchName.length(); // 99+% of the time 2133 int32_t n = text.length() - start; 2134 for (i=0; i<=n; ++i) { 2135 int32_t j=i; 2136 if (i == 0) { 2137 j = len; 2138 } else if (i == len) { 2139 continue; // already tried this when i was 0 2140 } 2141 text.extract(start, j, lcaseText); 2142 lcaseText.foldCase(); 2143 if (bestMatchName == lcaseText) { 2144 return start + j; 2145 } 2146 } 2147 } 2148 2149 return -start; 2150 } 2151 2152 //---------------------------------------------------------------------- 2153 UBool SimpleDateFormat::matchLiterals(const UnicodeString &pattern, 2154 int32_t &patternOffset, 2155 const UnicodeString &text, 2156 int32_t &textOffset, 2157 UBool whitespaceLenient, 2158 UBool partialMatchLenient) 2159 { 2160 UBool inQuote = FALSE; 2161 UnicodeString literal; 2162 int32_t i = patternOffset; 2163 2164 // scan pattern looking for contiguous literal characters 2165 for ( ; i < pattern.length(); i += 1) { 2166 UChar ch = pattern.charAt(i); 2167 2168 if (!inQuote && ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { // unquoted [A-Za-z] 2169 break; 2170 } 2171 2172 if (ch == QUOTE) { 2173 // Match a quote literal ('') inside OR outside of quotes 2174 if ((i + 1) < pattern.length() && pattern.charAt(i + 1) == QUOTE) { 2175 i += 1; 2176 } else { 2177 inQuote = !inQuote; 2178 continue; 2179 } 2180 } 2181 2182 literal += ch; 2183 } 2184 2185 // at this point, literal contains the literal text 2186 // and i is the index of the next non-literal pattern character. 2187 int32_t p; 2188 int32_t t = textOffset; 2189 2190 if (whitespaceLenient) { 2191 // trim leading, trailing whitespace from 2192 // the literal text 2193 literal.trim(); 2194 2195 // ignore any leading whitespace in the text 2196 while (t < text.length() && u_isWhitespace(text.charAt(t))) { 2197 t += 1; 2198 } 2199 } 2200 2201 for (p = 0; p < literal.length() && t < text.length();) { 2202 UBool needWhitespace = FALSE; 2203 2204 while (p < literal.length() && PatternProps::isWhiteSpace(literal.charAt(p))) { 2205 needWhitespace = TRUE; 2206 p += 1; 2207 } 2208 2209 if (needWhitespace) { 2210 int32_t tStart = t; 2211 2212 while (t < text.length()) { 2213 UChar tch = text.charAt(t); 2214 2215 if (!u_isUWhiteSpace(tch) && !PatternProps::isWhiteSpace(tch)) { 2216 break; 2217 } 2218 2219 t += 1; 2220 } 2221 2222 // TODO: should we require internal spaces 2223 // in lenient mode? (There won't be any 2224 // leading or trailing spaces) 2225 if (!whitespaceLenient && t == tStart) { 2226 // didn't find matching whitespace: 2227 // an error in strict mode 2228 return FALSE; 2229 } 2230 2231 // In strict mode, this run of whitespace 2232 // may have been at the end. 2233 if (p >= literal.length()) { 2234 break; 2235 } 2236 } 2237 2238 if (t >= text.length() || literal.charAt(p) != text.charAt(t)) { 2239 // Ran out of text, or found a non-matching character: 2240 // OK in lenient mode, an error in strict mode. 2241 if (whitespaceLenient) { 2242 if (t == textOffset && text.charAt(t) == 0x2e && 2243 isAfterNonNumericField(pattern, patternOffset)) { 2244 // Lenient mode and the literal input text begins with a "." and 2245 // we are after a non-numeric field: We skip the "." 2246 ++t; 2247 continue; // Do not update p. 2248 } 2249 // if it is actual whitespace and we're whitespace lenient it's OK 2250 UChar wsc = text.charAt(t); 2251 if(PatternProps::isWhiteSpace(wsc)) 2252 break; 2253 } 2254 // or if we're partial match lenient it's OK 2255 if(partialMatchLenient) { 2256 break; 2257 } 2258 2259 return FALSE; 2260 } 2261 ++p; 2262 ++t; 2263 } 2264 2265 // At this point if we're in strict mode we have a complete match. 2266 // If we're in lenient mode we may have a partial match, or no 2267 // match at all. 2268 if (p <= 0) { 2269 // no match. Pretend it matched a run of whitespace 2270 // and ignorables in the text. 2271 const UnicodeSet *ignorables = NULL; 2272 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(pattern.charAt(i)); 2273 if (patternCharIndex != UDAT_FIELD_COUNT) { 2274 ignorables = SimpleDateFormatStaticSets::getIgnorables(patternCharIndex); 2275 } 2276 2277 for (t = textOffset; t < text.length(); t += 1) { 2278 UChar ch = text.charAt(t); 2279 2280 if (ignorables == NULL || !ignorables->contains(ch)) { 2281 break; 2282 } 2283 } 2284 } 2285 2286 // if we get here, we've got a complete match. 2287 patternOffset = i - 1; 2288 textOffset = t; 2289 2290 return TRUE; 2291 } 2292 2293 //---------------------------------------------------------------------- 2294 2295 int32_t SimpleDateFormat::matchString(const UnicodeString& text, 2296 int32_t start, 2297 UCalendarDateFields field, 2298 const UnicodeString* data, 2299 int32_t dataCount, 2300 const UnicodeString* monthPattern, 2301 Calendar& cal) const 2302 { 2303 int32_t i = 0; 2304 int32_t count = dataCount; 2305 2306 if (field == UCAL_DAY_OF_WEEK) i = 1; 2307 2308 // There may be multiple strings in the data[] array which begin with 2309 // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech). 2310 // We keep track of the longest match, and return that. Note that this 2311 // unfortunately requires us to test all array elements. 2312 int32_t bestMatchLength = 0, bestMatch = -1; 2313 UnicodeString bestMatchName; 2314 int32_t isLeapMonth = 0; 2315 2316 // {sfb} kludge to support case-insensitive comparison 2317 // {markus 2002oct11} do not just use caseCompareBetween because we do not know 2318 // the length of the match after case folding 2319 // {alan 20040607} don't case change the whole string, since the length 2320 // can change 2321 // TODO we need a case-insensitive startsWith function 2322 UnicodeString lcaseText; 2323 text.extract(start, INT32_MAX, lcaseText); 2324 lcaseText.foldCase(); 2325 2326 for (; i < count; ++i) 2327 { 2328 // Always compare if we have no match yet; otherwise only compare 2329 // against potentially better matches (longer strings). 2330 2331 if (newBestMatchWithOptionalDot(lcaseText, data[i], bestMatchName, bestMatchLength)) { 2332 bestMatch = i; 2333 isLeapMonth = 0; 2334 } 2335 2336 if (monthPattern != NULL) { 2337 UErrorCode status = U_ZERO_ERROR; 2338 UnicodeString leapMonthName; 2339 Formattable monthName((const UnicodeString&)(data[i])); 2340 MessageFormat::format(*monthPattern, &monthName, 1, leapMonthName, status); 2341 if (U_SUCCESS(status)) { 2342 if (newBestMatchWithOptionalDot(lcaseText, leapMonthName, bestMatchName, bestMatchLength)) { 2343 bestMatch = i; 2344 isLeapMonth = 1; 2345 } 2346 } 2347 } 2348 } 2349 if (bestMatch >= 0) 2350 { 2351 // Adjustment for Hebrew Calendar month Adar II 2352 if (!strcmp(cal.getType(),"hebrew") && field==UCAL_MONTH && bestMatch==13) { 2353 cal.set(field,6); 2354 } 2355 else { 2356 if (field == UCAL_YEAR) { 2357 bestMatch++; // only get here for cyclic year names, which match 1-based years 1-60 2358 } 2359 cal.set(field, bestMatch); 2360 } 2361 if (monthPattern != NULL) { 2362 cal.set(UCAL_IS_LEAP_MONTH, isLeapMonth); 2363 } 2364 2365 // Once we have a match, we have to determine the length of the 2366 // original source string. This will usually be == the length of 2367 // the case folded string, but it may differ (e.g. sharp s). 2368 2369 // Most of the time, the length will be the same as the length 2370 // of the string from the locale data. Sometimes it will be 2371 // different, in which case we will have to figure it out by 2372 // adding a character at a time, until we have a match. We do 2373 // this all in one loop, where we try 'len' first (at index 2374 // i==0). 2375 int32_t len = bestMatchName.length(); // 99+% of the time 2376 int32_t n = text.length() - start; 2377 for (i=0; i<=n; ++i) { 2378 int32_t j=i; 2379 if (i == 0) { 2380 j = len; 2381 } else if (i == len) { 2382 continue; // already tried this when i was 0 2383 } 2384 text.extract(start, j, lcaseText); 2385 lcaseText.foldCase(); 2386 if (bestMatchName == lcaseText) { 2387 return start + j; 2388 } 2389 } 2390 } 2391 2392 return -start; 2393 } 2394 2395 static UBool 2396 newBestMatchWithOptionalDot(const UnicodeString &lcaseText, 2397 const UnicodeString &data, 2398 UnicodeString &bestMatchName, 2399 int32_t &bestMatchLength) { 2400 UnicodeString lcase; 2401 lcase.fastCopyFrom(data).foldCase(); 2402 int32_t length = lcase.length(); 2403 if (length <= bestMatchLength) { 2404 // data cannot provide a better match. 2405 return FALSE; 2406 } 2407 2408 if (lcaseText.compareBetween(0, length, lcase, 0, length) == 0) { 2409 // normal match 2410 bestMatchName = lcase; 2411 bestMatchLength = length; 2412 return TRUE; 2413 } 2414 if (lcase.charAt(--length) == 0x2e) { 2415 if (lcaseText.compareBetween(0, length, lcase, 0, length) == 0) { 2416 // The input text matches the data except for data's trailing dot. 2417 bestMatchName = lcase; 2418 bestMatchName.truncate(length); 2419 bestMatchLength = length; 2420 return TRUE; 2421 } 2422 } 2423 return FALSE; 2424 } 2425 2426 //---------------------------------------------------------------------- 2427 2428 void 2429 SimpleDateFormat::set2DigitYearStart(UDate d, UErrorCode& status) 2430 { 2431 parseAmbiguousDatesAsAfter(d, status); 2432 } 2433 2434 /** 2435 * Private member function that converts the parsed date strings into 2436 * timeFields. Returns -start (for ParsePosition) if failed. 2437 */ 2438 int32_t SimpleDateFormat::subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count, 2439 UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], int32_t& saveHebrewMonth, Calendar& cal, 2440 int32_t patLoc, MessageFormat * numericLeapMonthFormatter, UTimeZoneFormatTimeType *tzTimeType) const 2441 { 2442 Formattable number; 2443 int32_t value = 0; 2444 int32_t i; 2445 int32_t ps = 0; 2446 UErrorCode status = U_ZERO_ERROR; 2447 ParsePosition pos(0); 2448 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch); 2449 NumberFormat *currentNumberFormat; 2450 UnicodeString temp; 2451 UBool gotNumber = FALSE; 2452 2453 #if defined (U_DEBUG_CAL) 2454 //fprintf(stderr, "%s:%d - [%c] st=%d \n", __FILE__, __LINE__, (char) ch, start); 2455 #endif 2456 2457 if (patternCharIndex == UDAT_FIELD_COUNT) { 2458 return -start; 2459 } 2460 2461 currentNumberFormat = getNumberFormatByIndex(patternCharIndex); 2462 UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; 2463 UnicodeString hebr("hebr", 4, US_INV); 2464 2465 if (numericLeapMonthFormatter != NULL) { 2466 numericLeapMonthFormatter->setFormats((const Format **)¤tNumberFormat, 1); 2467 } 2468 UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 0 || uprv_strcmp(cal.getType(),"dangi") == 0); 2469 2470 // If there are any spaces here, skip over them. If we hit the end 2471 // of the string, then fail. 2472 for (;;) { 2473 if (start >= text.length()) { 2474 return -start; 2475 } 2476 UChar32 c = text.char32At(start); 2477 if (!u_isUWhiteSpace(c) /*||*/ && !PatternProps::isWhiteSpace(c)) { 2478 break; 2479 } 2480 start += U16_LENGTH(c); 2481 } 2482 pos.setIndex(start); 2483 2484 // We handle a few special cases here where we need to parse 2485 // a number value. We handle further, more generic cases below. We need 2486 // to handle some of them here because some fields require extra processing on 2487 // the parsed value. 2488 if (patternCharIndex == UDAT_HOUR_OF_DAY1_FIELD || // k 2489 patternCharIndex == UDAT_HOUR_OF_DAY0_FIELD || // H 2490 patternCharIndex == UDAT_HOUR1_FIELD || // h 2491 patternCharIndex == UDAT_HOUR0_FIELD || // K 2492 (patternCharIndex == UDAT_DOW_LOCAL_FIELD && count <= 2) || // e 2493 (patternCharIndex == UDAT_STANDALONE_DAY_FIELD && count <= 2) || // c 2494 (patternCharIndex == UDAT_MONTH_FIELD && count <= 2) || // M 2495 (patternCharIndex == UDAT_STANDALONE_MONTH_FIELD && count <= 2) || // L 2496 (patternCharIndex == UDAT_QUARTER_FIELD && count <= 2) || // Q 2497 (patternCharIndex == UDAT_STANDALONE_QUARTER_FIELD && count <= 2) || // q 2498 patternCharIndex == UDAT_YEAR_FIELD || // y 2499 patternCharIndex == UDAT_YEAR_WOY_FIELD || // Y 2500 patternCharIndex == UDAT_YEAR_NAME_FIELD || // U (falls back to numeric) 2501 (patternCharIndex == UDAT_ERA_FIELD && isChineseCalendar) || // G 2502 patternCharIndex == UDAT_FRACTIONAL_SECOND_FIELD) // S 2503 { 2504 int32_t parseStart = pos.getIndex(); 2505 // It would be good to unify this with the obeyCount logic below, 2506 // but that's going to be difficult. 2507 const UnicodeString* src; 2508 2509 UBool parsedNumericLeapMonth = FALSE; 2510 if (numericLeapMonthFormatter != NULL && (patternCharIndex == UDAT_MONTH_FIELD || patternCharIndex == UDAT_STANDALONE_MONTH_FIELD)) { 2511 int32_t argCount; 2512 Formattable * args = numericLeapMonthFormatter->parse(text, pos, argCount); 2513 if (args != NULL && argCount == 1 && pos.getIndex() > parseStart && args[0].isNumeric()) { 2514 parsedNumericLeapMonth = TRUE; 2515 number.setLong(args[0].getLong()); 2516 cal.set(UCAL_IS_LEAP_MONTH, 1); 2517 delete[] args; 2518 } else { 2519 pos.setIndex(parseStart); 2520 cal.set(UCAL_IS_LEAP_MONTH, 0); 2521 } 2522 } 2523 2524 if (!parsedNumericLeapMonth) { 2525 if (obeyCount) { 2526 if ((start+count) > text.length()) { 2527 return -start; 2528 } 2529 2530 text.extractBetween(0, start + count, temp); 2531 src = &temp; 2532 } else { 2533 src = &text; 2534 } 2535 2536 parseInt(*src, number, pos, allowNegative,currentNumberFormat); 2537 } 2538 2539 int32_t txtLoc = pos.getIndex(); 2540 2541 if (txtLoc > parseStart) { 2542 value = number.getLong(); 2543 gotNumber = TRUE; 2544 2545 // suffix processing 2546 if (value < 0 ) { 2547 txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, TRUE); 2548 if (txtLoc != pos.getIndex()) { 2549 value *= -1; 2550 } 2551 } 2552 else { 2553 txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, FALSE); 2554 } 2555 2556 if (!getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)) { 2557 // Check the range of the value 2558 int32_t bias = gFieldRangeBias[patternCharIndex]; 2559 if (bias >= 0 && (value > cal.getMaximum(field) + bias || value < cal.getMinimum(field) + bias)) { 2560 return -start; 2561 } 2562 } 2563 2564 pos.setIndex(txtLoc); 2565 } 2566 } 2567 2568 // Make sure that we got a number if 2569 // we want one, and didn't get one 2570 // if we don't want one. 2571 switch (patternCharIndex) { 2572 case UDAT_HOUR_OF_DAY1_FIELD: 2573 case UDAT_HOUR_OF_DAY0_FIELD: 2574 case UDAT_HOUR1_FIELD: 2575 case UDAT_HOUR0_FIELD: 2576 // special range check for hours: 2577 if (value < 0 || value > 24) { 2578 return -start; 2579 } 2580 2581 // fall through to gotNumber check 2582 2583 case UDAT_YEAR_FIELD: 2584 case UDAT_YEAR_WOY_FIELD: 2585 case UDAT_FRACTIONAL_SECOND_FIELD: 2586 // these must be a number 2587 if (! gotNumber) { 2588 return -start; 2589 } 2590 2591 break; 2592 2593 default: 2594 // we check the rest of the fields below. 2595 break; 2596 } 2597 2598 switch (patternCharIndex) { 2599 case UDAT_ERA_FIELD: 2600 if (isChineseCalendar) { 2601 if (!gotNumber) { 2602 return -start; 2603 } 2604 cal.set(UCAL_ERA, value); 2605 return pos.getIndex(); 2606 } 2607 if (count == 5) { 2608 ps = matchString(text, start, UCAL_ERA, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount, NULL, cal); 2609 } else if (count == 4) { 2610 ps = matchString(text, start, UCAL_ERA, fSymbols->fEraNames, fSymbols->fEraNamesCount, NULL, cal); 2611 } else { 2612 ps = matchString(text, start, UCAL_ERA, fSymbols->fEras, fSymbols->fErasCount, NULL, cal); 2613 } 2614 2615 // check return position, if it equals -start, then matchString error 2616 // special case the return code so we don't necessarily fail out until we 2617 // verify no year information also 2618 if (ps == -start) 2619 ps--; 2620 2621 return ps; 2622 2623 case UDAT_YEAR_FIELD: 2624 // If there are 3 or more YEAR pattern characters, this indicates 2625 // that the year value is to be treated literally, without any 2626 // two-digit year adjustments (e.g., from "01" to 2001). Otherwise 2627 // we made adjustments to place the 2-digit year in the proper 2628 // century, for parsed strings from "00" to "99". Any other string 2629 // is treated literally: "2250", "-1", "1", "002". 2630 if (fDateOverride.compare(hebr)==0 && value < 1000) { 2631 value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR; 2632 } else if ((pos.getIndex() - start) == 2 && !isChineseCalendar 2633 && u_isdigit(text.charAt(start)) 2634 && u_isdigit(text.charAt(start+1))) 2635 { 2636 // only adjust year for patterns less than 3. 2637 if(count < 3) { 2638 // Assume for example that the defaultCenturyStart is 6/18/1903. 2639 // This means that two-digit years will be forced into the range 2640 // 6/18/1903 to 6/17/2003. As a result, years 00, 01, and 02 2641 // correspond to 2000, 2001, and 2002. Years 04, 05, etc. correspond 2642 // to 1904, 1905, etc. If the year is 03, then it is 2003 if the 2643 // other fields specify a date before 6/18, or 1903 if they specify a 2644 // date afterwards. As a result, 03 is an ambiguous year. All other 2645 // two-digit years are unambiguous. 2646 if(fHaveDefaultCentury) { // check if this formatter even has a pivot year 2647 int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100; 2648 ambiguousYear[0] = (value == ambiguousTwoDigitYear); 2649 value += (fDefaultCenturyStartYear/100)*100 + 2650 (value < ambiguousTwoDigitYear ? 100 : 0); 2651 } 2652 } 2653 } 2654 cal.set(UCAL_YEAR, value); 2655 2656 // Delayed checking for adjustment of Hebrew month numbers in non-leap years. 2657 if (saveHebrewMonth >= 0) { 2658 HebrewCalendar *hc = (HebrewCalendar*)&cal; 2659 if (!hc->isLeapYear(value) && saveHebrewMonth >= 6) { 2660 cal.set(UCAL_MONTH,saveHebrewMonth); 2661 } else { 2662 cal.set(UCAL_MONTH,saveHebrewMonth-1); 2663 } 2664 saveHebrewMonth = -1; 2665 } 2666 return pos.getIndex(); 2667 2668 case UDAT_YEAR_WOY_FIELD: 2669 // Comment is the same as for UDAT_Year_FIELDs - look above 2670 if (fDateOverride.compare(hebr)==0 && value < 1000) { 2671 value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR; 2672 } else if ((pos.getIndex() - start) == 2 2673 && u_isdigit(text.charAt(start)) 2674 && u_isdigit(text.charAt(start+1)) 2675 && fHaveDefaultCentury ) 2676 { 2677 int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100; 2678 ambiguousYear[0] = (value == ambiguousTwoDigitYear); 2679 value += (fDefaultCenturyStartYear/100)*100 + 2680 (value < ambiguousTwoDigitYear ? 100 : 0); 2681 } 2682 cal.set(UCAL_YEAR_WOY, value); 2683 return pos.getIndex(); 2684 2685 case UDAT_YEAR_NAME_FIELD: 2686 if (fSymbols->fShortYearNames != NULL) { 2687 int32_t newStart = matchString(text, start, UCAL_YEAR, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount, NULL, cal); 2688 if (newStart > 0) { 2689 return newStart; 2690 } 2691 } 2692 if (gotNumber && (getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC,status) || value > fSymbols->fShortYearNamesCount)) { 2693 cal.set(UCAL_YEAR, value); 2694 return pos.getIndex(); 2695 } 2696 return -start; 2697 2698 case UDAT_MONTH_FIELD: 2699 case UDAT_STANDALONE_MONTH_FIELD: 2700 if (gotNumber) // i.e., M or MM. 2701 { 2702 // When parsing month numbers from the Hebrew Calendar, we might need to adjust the month depending on whether 2703 // 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 2704 // the year is parsed. 2705 if (!strcmp(cal.getType(),"hebrew")) { 2706 HebrewCalendar *hc = (HebrewCalendar*)&cal; 2707 if (cal.isSet(UCAL_YEAR)) { 2708 UErrorCode status = U_ZERO_ERROR; 2709 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6) { 2710 cal.set(UCAL_MONTH, value); 2711 } else { 2712 cal.set(UCAL_MONTH, value - 1); 2713 } 2714 } else { 2715 saveHebrewMonth = value; 2716 } 2717 } else { 2718 // Don't want to parse the month if it is a string 2719 // while pattern uses numeric style: M/MM, L/LL 2720 // [We computed 'value' above.] 2721 cal.set(UCAL_MONTH, value - 1); 2722 } 2723 return pos.getIndex(); 2724 } else { 2725 // count >= 3 // i.e., MMM/MMMM, LLL/LLLL 2726 // Want to be able to parse both short and long forms. 2727 // Try count == 4 first: 2728 UnicodeString * wideMonthPat = NULL; 2729 UnicodeString * shortMonthPat = NULL; 2730 if (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) { 2731 if (patternCharIndex==UDAT_MONTH_FIELD) { 2732 wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide]; 2733 shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev]; 2734 } else { 2735 wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]; 2736 shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]; 2737 } 2738 } 2739 int32_t newStart = 0; 2740 if (patternCharIndex==UDAT_MONTH_FIELD) { 2741 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { 2742 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fMonths, fSymbols->fMonthsCount, wideMonthPat, cal); // try MMMM 2743 if (newStart > 0) { 2744 return newStart; 2745 } 2746 } 2747 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { 2748 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, shortMonthPat, cal); // try MMM 2749 } 2750 } else { 2751 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { 2752 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, wideMonthPat, cal); // try LLLL 2753 if (newStart > 0) { 2754 return newStart; 2755 } 2756 } 2757 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { 2758 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, shortMonthPat, cal); // try LLL 2759 } 2760 } 2761 if (newStart > 0 || !getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) // currently we do not try to parse MMMMM/LLLLL: #8860 2762 return newStart; 2763 // else we allowing parsing as number, below 2764 } 2765 break; 2766 2767 case UDAT_HOUR_OF_DAY1_FIELD: 2768 // [We computed 'value' above.] 2769 if (value == cal.getMaximum(UCAL_HOUR_OF_DAY) + 1) 2770 value = 0; 2771 2772 // fall through to set field 2773 2774 case UDAT_HOUR_OF_DAY0_FIELD: 2775 cal.set(UCAL_HOUR_OF_DAY, value); 2776 return pos.getIndex(); 2777 2778 case UDAT_FRACTIONAL_SECOND_FIELD: 2779 // Fractional seconds left-justify 2780 i = pos.getIndex() - start; 2781 if (i < 3) { 2782 while (i < 3) { 2783 value *= 10; 2784 i++; 2785 } 2786 } else { 2787 int32_t a = 1; 2788 while (i > 3) { 2789 a *= 10; 2790 i--; 2791 } 2792 value /= a; 2793 } 2794 cal.set(UCAL_MILLISECOND, value); 2795 return pos.getIndex(); 2796 2797 case UDAT_DOW_LOCAL_FIELD: 2798 if (gotNumber) // i.e., e or ee 2799 { 2800 // [We computed 'value' above.] 2801 cal.set(UCAL_DOW_LOCAL, value); 2802 return pos.getIndex(); 2803 } 2804 // else for eee-eeeee fall through to handling of EEE-EEEEE 2805 // fall through, do not break here 2806 case UDAT_DAY_OF_WEEK_FIELD: 2807 { 2808 // Want to be able to parse both short and long forms. 2809 // Try count == 4 (EEEE) wide first: 2810 int32_t newStart = 0; 2811 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { 2812 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2813 fSymbols->fWeekdays, fSymbols->fWeekdaysCount, NULL, cal)) > 0) 2814 return newStart; 2815 } 2816 // EEEE wide failed, now try EEE abbreviated 2817 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { 2818 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2819 fSymbols->fShortWeekdays, fSymbols->fShortWeekdaysCount, NULL, cal)) > 0) 2820 return newStart; 2821 } 2822 // EEE abbreviated failed, now try EEEEEE short 2823 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 6) { 2824 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2825 fSymbols->fShorterWeekdays, fSymbols->fShorterWeekdaysCount, NULL, cal)) > 0) 2826 return newStart; 2827 } 2828 // EEEEEE short failed, now try EEEEE narrow 2829 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) { 2830 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2831 fSymbols->fNarrowWeekdays, fSymbols->fNarrowWeekdaysCount, NULL, cal)) > 0) 2832 return newStart; 2833 } 2834 if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status) || patternCharIndex == UDAT_DAY_OF_WEEK_FIELD) 2835 return newStart; 2836 // else we allowing parsing as number, below 2837 } 2838 break; 2839 2840 case UDAT_STANDALONE_DAY_FIELD: 2841 { 2842 if (gotNumber) // c or cc 2843 { 2844 // [We computed 'value' above.] 2845 cal.set(UCAL_DOW_LOCAL, value); 2846 return pos.getIndex(); 2847 } 2848 // Want to be able to parse both short and long forms. 2849 // Try count == 4 (cccc) first: 2850 int32_t newStart = 0; 2851 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { 2852 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2853 fSymbols->fStandaloneWeekdays, fSymbols->fStandaloneWeekdaysCount, NULL, cal)) > 0) 2854 return newStart; 2855 } 2856 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { 2857 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2858 fSymbols->fStandaloneShortWeekdays, fSymbols->fStandaloneShortWeekdaysCount, NULL, cal)) > 0) 2859 return newStart; 2860 } 2861 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 6) { 2862 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, 2863 fSymbols->fStandaloneShorterWeekdays, fSymbols->fStandaloneShorterWeekdaysCount, NULL, cal)) > 0) 2864 return newStart; 2865 } 2866 if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) 2867 return newStart; 2868 // else we allowing parsing as number, below 2869 } 2870 break; 2871 2872 case UDAT_AM_PM_FIELD: 2873 return matchString(text, start, UCAL_AM_PM, fSymbols->fAmPms, fSymbols->fAmPmsCount, NULL, cal); 2874 2875 case UDAT_HOUR1_FIELD: 2876 // [We computed 'value' above.] 2877 if (value == cal.getLeastMaximum(UCAL_HOUR)+1) 2878 value = 0; 2879 2880 // fall through to set field 2881 2882 case UDAT_HOUR0_FIELD: 2883 cal.set(UCAL_HOUR, value); 2884 return pos.getIndex(); 2885 2886 case UDAT_QUARTER_FIELD: 2887 if (gotNumber) // i.e., Q or QQ. 2888 { 2889 // Don't want to parse the month if it is a string 2890 // while pattern uses numeric style: Q or QQ. 2891 // [We computed 'value' above.] 2892 cal.set(UCAL_MONTH, (value - 1) * 3); 2893 return pos.getIndex(); 2894 } else { 2895 // count >= 3 // i.e., QQQ or QQQQ 2896 // Want to be able to parse both short and long forms. 2897 // Try count == 4 first: 2898 int32_t newStart = 0; 2899 2900 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { 2901 if ((newStart = matchQuarterString(text, start, UCAL_MONTH, 2902 fSymbols->fQuarters, fSymbols->fQuartersCount, cal)) > 0) 2903 return newStart; 2904 } 2905 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { 2906 if ((newStart = matchQuarterString(text, start, UCAL_MONTH, 2907 fSymbols->fShortQuarters, fSymbols->fShortQuartersCount, cal)) > 0) 2908 return newStart; 2909 } 2910 if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) 2911 return newStart; 2912 // else we allowing parsing as number, below 2913 if(!getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status)) 2914 return -start; 2915 } 2916 break; 2917 2918 case UDAT_STANDALONE_QUARTER_FIELD: 2919 if (gotNumber) // i.e., q or qq. 2920 { 2921 // Don't want to parse the month if it is a string 2922 // while pattern uses numeric style: q or q. 2923 // [We computed 'value' above.] 2924 cal.set(UCAL_MONTH, (value - 1) * 3); 2925 return pos.getIndex(); 2926 } else { 2927 // count >= 3 // i.e., qqq or qqqq 2928 // Want to be able to parse both short and long forms. 2929 // Try count == 4 first: 2930 int32_t newStart = 0; 2931 2932 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { 2933 if ((newStart = matchQuarterString(text, start, UCAL_MONTH, 2934 fSymbols->fStandaloneQuarters, fSymbols->fStandaloneQuartersCount, cal)) > 0) 2935 return newStart; 2936 } 2937 if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { 2938 if ((newStart = matchQuarterString(text, start, UCAL_MONTH, 2939 fSymbols->fStandaloneShortQuarters, fSymbols->fStandaloneShortQuartersCount, cal)) > 0) 2940 return newStart; 2941 } 2942 if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) 2943 return newStart; 2944 // else we allowing parsing as number, below 2945 if(!getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status)) 2946 return -start; 2947 } 2948 break; 2949 2950 case UDAT_TIMEZONE_FIELD: // 'z' 2951 { 2952 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_SPECIFIC_SHORT : UTZFMT_STYLE_SPECIFIC_LONG; 2953 TimeZone *tz = tzFormat()->parse(style, text, pos, tzTimeType); 2954 if (tz != NULL) { 2955 cal.adoptTimeZone(tz); 2956 return pos.getIndex(); 2957 } 2958 } 2959 break; 2960 case UDAT_TIMEZONE_RFC_FIELD: // 'Z' 2961 { 2962 UTimeZoneFormatStyle style = (count < 4) ? 2963 UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL : ((count == 5) ? UTZFMT_STYLE_ISO_EXTENDED_FULL: UTZFMT_STYLE_LOCALIZED_GMT); 2964 TimeZone *tz = tzFormat()->parse(style, text, pos, tzTimeType); 2965 if (tz != NULL) { 2966 cal.adoptTimeZone(tz); 2967 return pos.getIndex(); 2968 } 2969 return -start; 2970 } 2971 case UDAT_TIMEZONE_GENERIC_FIELD: // 'v' 2972 { 2973 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_GENERIC_SHORT : UTZFMT_STYLE_GENERIC_LONG; 2974 TimeZone *tz = tzFormat()->parse(style, text, pos, tzTimeType); 2975 if (tz != NULL) { 2976 cal.adoptTimeZone(tz); 2977 return pos.getIndex(); 2978 } 2979 return -start; 2980 } 2981 case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V' 2982 { 2983 UTimeZoneFormatStyle style; 2984 switch (count) { 2985 case 1: 2986 style = UTZFMT_STYLE_ZONE_ID_SHORT; 2987 break; 2988 case 2: 2989 style = UTZFMT_STYLE_ZONE_ID; 2990 break; 2991 case 3: 2992 style = UTZFMT_STYLE_EXEMPLAR_LOCATION; 2993 break; 2994 default: 2995 style = UTZFMT_STYLE_GENERIC_LOCATION; 2996 break; 2997 } 2998 TimeZone *tz = tzFormat()->parse(style, text, pos, tzTimeType); 2999 if (tz != NULL) { 3000 cal.adoptTimeZone(tz); 3001 return pos.getIndex(); 3002 } 3003 return -start; 3004 } 3005 case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O' 3006 { 3007 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_LOCALIZED_GMT_SHORT : UTZFMT_STYLE_LOCALIZED_GMT; 3008 TimeZone *tz = tzFormat()->parse(style, text, pos, tzTimeType); 3009 if (tz != NULL) { 3010 cal.adoptTimeZone(tz); 3011 return pos.getIndex(); 3012 } 3013 return -start; 3014 } 3015 case UDAT_TIMEZONE_ISO_FIELD: // 'X' 3016 { 3017 UTimeZoneFormatStyle style; 3018 switch (count) { 3019 case 1: 3020 style = UTZFMT_STYLE_ISO_BASIC_SHORT; 3021 break; 3022 case 2: 3023 style = UTZFMT_STYLE_ISO_BASIC_FIXED; 3024 break; 3025 case 3: 3026 style = UTZFMT_STYLE_ISO_EXTENDED_FIXED; 3027 break; 3028 case 4: 3029 style = UTZFMT_STYLE_ISO_BASIC_FULL; 3030 break; 3031 default: 3032 style = UTZFMT_STYLE_ISO_EXTENDED_FULL; 3033 break; 3034 } 3035 TimeZone *tz = tzFormat()->parse(style, text, pos, tzTimeType); 3036 if (tz != NULL) { 3037 cal.adoptTimeZone(tz); 3038 return pos.getIndex(); 3039 } 3040 return -start; 3041 } 3042 case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x' 3043 { 3044 UTimeZoneFormatStyle style; 3045 switch (count) { 3046 case 1: 3047 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT; 3048 break; 3049 case 2: 3050 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED; 3051 break; 3052 case 3: 3053 style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED; 3054 break; 3055 case 4: 3056 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL; 3057 break; 3058 default: 3059 style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL; 3060 break; 3061 } 3062 TimeZone *tz = tzFormat()->parse(style, text, pos, tzTimeType); 3063 if (tz != NULL) { 3064 cal.adoptTimeZone(tz); 3065 return pos.getIndex(); 3066 } 3067 return -start; 3068 } 3069 3070 default: 3071 // Handle "generic" fields 3072 // this is now handled below, outside the switch block 3073 break; 3074 } 3075 // Handle "generic" fields: 3076 // switch default case now handled here (outside switch block) to allow 3077 // parsing of some string fields as digits for lenient case 3078 3079 int32_t parseStart = pos.getIndex(); 3080 const UnicodeString* src; 3081 if (obeyCount) { 3082 if ((start+count) > text.length()) { 3083 return -start; 3084 } 3085 text.extractBetween(0, start + count, temp); 3086 src = &temp; 3087 } else { 3088 src = &text; 3089 } 3090 parseInt(*src, number, pos, allowNegative,currentNumberFormat); 3091 if (pos.getIndex() != parseStart) { 3092 int32_t value = number.getLong(); 3093 3094 // Don't need suffix processing here (as in number processing at the beginning of the function); 3095 // the new fields being handled as numeric values (month, weekdays, quarters) should not have suffixes. 3096 3097 if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) { 3098 // Check the range of the value 3099 int32_t bias = gFieldRangeBias[patternCharIndex]; 3100 if (bias >= 0 && (value > cal.getMaximum(field) + bias || value < cal.getMinimum(field) + bias)) { 3101 return -start; 3102 } 3103 } 3104 3105 // For the following, need to repeat some of the "if (gotNumber)" code above: 3106 // UDAT_[STANDALONE_]MONTH_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_STANDALONE_DAY_FIELD, 3107 // UDAT_[STANDALONE_]QUARTER_FIELD 3108 switch (patternCharIndex) { 3109 case UDAT_MONTH_FIELD: 3110 // See notes under UDAT_MONTH_FIELD case above 3111 if (!strcmp(cal.getType(),"hebrew")) { 3112 HebrewCalendar *hc = (HebrewCalendar*)&cal; 3113 if (cal.isSet(UCAL_YEAR)) { 3114 UErrorCode status = U_ZERO_ERROR; 3115 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6) { 3116 cal.set(UCAL_MONTH, value); 3117 } else { 3118 cal.set(UCAL_MONTH, value - 1); 3119 } 3120 } else { 3121 saveHebrewMonth = value; 3122 } 3123 } else { 3124 cal.set(UCAL_MONTH, value - 1); 3125 } 3126 break; 3127 case UDAT_STANDALONE_MONTH_FIELD: 3128 cal.set(UCAL_MONTH, value - 1); 3129 break; 3130 case UDAT_DOW_LOCAL_FIELD: 3131 case UDAT_STANDALONE_DAY_FIELD: 3132 cal.set(UCAL_DOW_LOCAL, value); 3133 break; 3134 case UDAT_QUARTER_FIELD: 3135 case UDAT_STANDALONE_QUARTER_FIELD: 3136 cal.set(UCAL_MONTH, (value - 1) * 3); 3137 break; 3138 case UDAT_RELATED_YEAR_FIELD: 3139 cal.setRelatedYear(value); 3140 break; 3141 default: 3142 cal.set(field, value); 3143 break; 3144 } 3145 return pos.getIndex(); 3146 } 3147 return -start; 3148 } 3149 3150 /** 3151 * Parse an integer using fNumberFormat. This method is semantically 3152 * const, but actually may modify fNumberFormat. 3153 */ 3154 void SimpleDateFormat::parseInt(const UnicodeString& text, 3155 Formattable& number, 3156 ParsePosition& pos, 3157 UBool allowNegative, 3158 NumberFormat *fmt) const { 3159 parseInt(text, number, -1, pos, allowNegative,fmt); 3160 } 3161 3162 /** 3163 * Parse an integer using fNumberFormat up to maxDigits. 3164 */ 3165 void SimpleDateFormat::parseInt(const UnicodeString& text, 3166 Formattable& number, 3167 int32_t maxDigits, 3168 ParsePosition& pos, 3169 UBool allowNegative, 3170 NumberFormat *fmt) const { 3171 UnicodeString oldPrefix; 3172 DecimalFormat* df = NULL; 3173 if (!allowNegative && (df = dynamic_cast<DecimalFormat*>(fmt)) != NULL) { 3174 df->getNegativePrefix(oldPrefix); 3175 df->setNegativePrefix(UnicodeString(TRUE, SUPPRESS_NEGATIVE_PREFIX, -1)); 3176 } 3177 int32_t oldPos = pos.getIndex(); 3178 fmt->parse(text, number, pos); 3179 if (df != NULL) { 3180 df->setNegativePrefix(oldPrefix); 3181 } 3182 3183 if (maxDigits > 0) { 3184 // adjust the result to fit into 3185 // the maxDigits and move the position back 3186 int32_t nDigits = pos.getIndex() - oldPos; 3187 if (nDigits > maxDigits) { 3188 int32_t val = number.getLong(); 3189 nDigits -= maxDigits; 3190 while (nDigits > 0) { 3191 val /= 10; 3192 nDigits--; 3193 } 3194 pos.setIndex(oldPos + maxDigits); 3195 number.setLong(val); 3196 } 3197 } 3198 } 3199 3200 //---------------------------------------------------------------------- 3201 3202 void SimpleDateFormat::translatePattern(const UnicodeString& originalPattern, 3203 UnicodeString& translatedPattern, 3204 const UnicodeString& from, 3205 const UnicodeString& to, 3206 UErrorCode& status) 3207 { 3208 // run through the pattern and convert any pattern symbols from the version 3209 // in "from" to the corresponding character ion "to". This code takes 3210 // quoted strings into account (it doesn't try to translate them), and it signals 3211 // an error if a particular "pattern character" doesn't appear in "from". 3212 // Depending on the values of "from" and "to" this can convert from generic 3213 // to localized patterns or localized to generic. 3214 if (U_FAILURE(status)) 3215 return; 3216 3217 translatedPattern.remove(); 3218 UBool inQuote = FALSE; 3219 for (int32_t i = 0; i < originalPattern.length(); ++i) { 3220 UChar c = originalPattern[i]; 3221 if (inQuote) { 3222 if (c == QUOTE) 3223 inQuote = FALSE; 3224 } 3225 else { 3226 if (c == QUOTE) 3227 inQuote = TRUE; 3228 else if ((c >= 0x0061 /*'a'*/ && c <= 0x007A) /*'z'*/ 3229 || (c >= 0x0041 /*'A'*/ && c <= 0x005A /*'Z'*/)) { 3230 int32_t ci = from.indexOf(c); 3231 if (ci == -1) { 3232 status = U_INVALID_FORMAT_ERROR; 3233 return; 3234 } 3235 c = to[ci]; 3236 } 3237 } 3238 translatedPattern += c; 3239 } 3240 if (inQuote) { 3241 status = U_INVALID_FORMAT_ERROR; 3242 return; 3243 } 3244 } 3245 3246 //---------------------------------------------------------------------- 3247 3248 UnicodeString& 3249 SimpleDateFormat::toPattern(UnicodeString& result) const 3250 { 3251 result = fPattern; 3252 return result; 3253 } 3254 3255 //---------------------------------------------------------------------- 3256 3257 UnicodeString& 3258 SimpleDateFormat::toLocalizedPattern(UnicodeString& result, 3259 UErrorCode& status) const 3260 { 3261 translatePattern(fPattern, result, 3262 UnicodeString(DateFormatSymbols::getPatternUChars()), 3263 fSymbols->fLocalPatternChars, status); 3264 return result; 3265 } 3266 3267 //---------------------------------------------------------------------- 3268 3269 void 3270 SimpleDateFormat::applyPattern(const UnicodeString& pattern) 3271 { 3272 fPattern = pattern; 3273 } 3274 3275 //---------------------------------------------------------------------- 3276 3277 void 3278 SimpleDateFormat::applyLocalizedPattern(const UnicodeString& pattern, 3279 UErrorCode &status) 3280 { 3281 translatePattern(pattern, fPattern, 3282 fSymbols->fLocalPatternChars, 3283 UnicodeString(DateFormatSymbols::getPatternUChars()), status); 3284 } 3285 3286 //---------------------------------------------------------------------- 3287 3288 const DateFormatSymbols* 3289 SimpleDateFormat::getDateFormatSymbols() const 3290 { 3291 return fSymbols; 3292 } 3293 3294 //---------------------------------------------------------------------- 3295 3296 void 3297 SimpleDateFormat::adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols) 3298 { 3299 delete fSymbols; 3300 fSymbols = newFormatSymbols; 3301 } 3302 3303 //---------------------------------------------------------------------- 3304 void 3305 SimpleDateFormat::setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols) 3306 { 3307 delete fSymbols; 3308 fSymbols = new DateFormatSymbols(newFormatSymbols); 3309 } 3310 3311 //---------------------------------------------------------------------- 3312 const TimeZoneFormat* 3313 SimpleDateFormat::getTimeZoneFormat(void) const { 3314 return (const TimeZoneFormat*)tzFormat(); 3315 } 3316 3317 //---------------------------------------------------------------------- 3318 void 3319 SimpleDateFormat::adoptTimeZoneFormat(TimeZoneFormat* timeZoneFormatToAdopt) 3320 { 3321 delete fTimeZoneFormat; 3322 fTimeZoneFormat = timeZoneFormatToAdopt; 3323 } 3324 3325 //---------------------------------------------------------------------- 3326 void 3327 SimpleDateFormat::setTimeZoneFormat(const TimeZoneFormat& newTimeZoneFormat) 3328 { 3329 delete fTimeZoneFormat; 3330 fTimeZoneFormat = new TimeZoneFormat(newTimeZoneFormat); 3331 } 3332 3333 //---------------------------------------------------------------------- 3334 3335 3336 void SimpleDateFormat::adoptCalendar(Calendar* calendarToAdopt) 3337 { 3338 UErrorCode status = U_ZERO_ERROR; 3339 DateFormat::adoptCalendar(calendarToAdopt); 3340 delete fSymbols; 3341 fSymbols=NULL; 3342 initializeSymbols(fLocale, fCalendar, status); // we need new symbols 3343 initializeDefaultCentury(); // we need a new century (possibly) 3344 } 3345 3346 3347 //---------------------------------------------------------------------- 3348 3349 3350 // override the DateFormat implementation in order to 3351 // lazily initialize fCapitalizationBrkIter 3352 void 3353 SimpleDateFormat::setContext(UDisplayContext value, UErrorCode& status) 3354 { 3355 DateFormat::setContext(value, status); 3356 #if !UCONFIG_NO_BREAK_ITERATION 3357 if (U_SUCCESS(status)) { 3358 if ( fCapitalizationBrkIter == NULL && (value==UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE || 3359 value==UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU || value==UDISPCTX_CAPITALIZATION_FOR_STANDALONE) ) { 3360 UErrorCode status = U_ZERO_ERROR; 3361 fCapitalizationBrkIter = BreakIterator::createSentenceInstance(fLocale, status); 3362 if (U_FAILURE(status)) { 3363 delete fCapitalizationBrkIter; 3364 fCapitalizationBrkIter = NULL; 3365 } 3366 } 3367 } 3368 #endif 3369 } 3370 3371 3372 //---------------------------------------------------------------------- 3373 3374 3375 UBool 3376 SimpleDateFormat::isFieldUnitIgnored(UCalendarDateFields field) const { 3377 return isFieldUnitIgnored(fPattern, field); 3378 } 3379 3380 3381 UBool 3382 SimpleDateFormat::isFieldUnitIgnored(const UnicodeString& pattern, 3383 UCalendarDateFields field) { 3384 int32_t fieldLevel = fgCalendarFieldToLevel[field]; 3385 int32_t level; 3386 UChar ch; 3387 UBool inQuote = FALSE; 3388 UChar prevCh = 0; 3389 int32_t count = 0; 3390 3391 for (int32_t i = 0; i < pattern.length(); ++i) { 3392 ch = pattern[i]; 3393 if (ch != prevCh && count > 0) { 3394 level = fgPatternCharToLevel[prevCh - PATTERN_CHAR_BASE]; 3395 // the larger the level, the smaller the field unit. 3396 if ( fieldLevel <= level ) { 3397 return FALSE; 3398 } 3399 count = 0; 3400 } 3401 if (ch == QUOTE) { 3402 if ((i+1) < pattern.length() && pattern[i+1] == QUOTE) { 3403 ++i; 3404 } else { 3405 inQuote = ! inQuote; 3406 } 3407 } 3408 else if ( ! inQuote && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/) 3409 || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) { 3410 prevCh = ch; 3411 ++count; 3412 } 3413 } 3414 if ( count > 0 ) { 3415 // last item 3416 level = fgPatternCharToLevel[prevCh - PATTERN_CHAR_BASE]; 3417 if ( fieldLevel <= level ) { 3418 return FALSE; 3419 } 3420 } 3421 return TRUE; 3422 } 3423 3424 //---------------------------------------------------------------------- 3425 3426 const Locale& 3427 SimpleDateFormat::getSmpFmtLocale(void) const { 3428 return fLocale; 3429 } 3430 3431 //---------------------------------------------------------------------- 3432 3433 int32_t 3434 SimpleDateFormat::checkIntSuffix(const UnicodeString& text, int32_t start, 3435 int32_t patLoc, UBool isNegative) const { 3436 // local variables 3437 UnicodeString suf; 3438 int32_t patternMatch; 3439 int32_t textPreMatch; 3440 int32_t textPostMatch; 3441 3442 // check that we are still in range 3443 if ( (start > text.length()) || 3444 (start < 0) || 3445 (patLoc < 0) || 3446 (patLoc > fPattern.length())) { 3447 // out of range, don't advance location in text 3448 return start; 3449 } 3450 3451 // get the suffix 3452 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat); 3453 if (decfmt != NULL) { 3454 if (isNegative) { 3455 suf = decfmt->getNegativeSuffix(suf); 3456 } 3457 else { 3458 suf = decfmt->getPositiveSuffix(suf); 3459 } 3460 } 3461 3462 // check for suffix 3463 if (suf.length() <= 0) { 3464 return start; 3465 } 3466 3467 // check suffix will be encountered in the pattern 3468 patternMatch = compareSimpleAffix(suf,fPattern,patLoc); 3469 3470 // check if a suffix will be encountered in the text 3471 textPreMatch = compareSimpleAffix(suf,text,start); 3472 3473 // check if a suffix was encountered in the text 3474 textPostMatch = compareSimpleAffix(suf,text,start-suf.length()); 3475 3476 // check for suffix match 3477 if ((textPreMatch >= 0) && (patternMatch >= 0) && (textPreMatch == patternMatch)) { 3478 return start; 3479 } 3480 else if ((textPostMatch >= 0) && (patternMatch >= 0) && (textPostMatch == patternMatch)) { 3481 return start - suf.length(); 3482 } 3483 3484 // should not get here 3485 return start; 3486 } 3487 3488 //---------------------------------------------------------------------- 3489 3490 int32_t 3491 SimpleDateFormat::compareSimpleAffix(const UnicodeString& affix, 3492 const UnicodeString& input, 3493 int32_t pos) const { 3494 int32_t start = pos; 3495 for (int32_t i=0; i<affix.length(); ) { 3496 UChar32 c = affix.char32At(i); 3497 int32_t len = U16_LENGTH(c); 3498 if (PatternProps::isWhiteSpace(c)) { 3499 // We may have a pattern like: \u200F \u0020 3500 // and input text like: \u200F \u0020 3501 // Note that U+200F and U+0020 are Pattern_White_Space but only 3502 // U+0020 is UWhiteSpace. So we have to first do a direct 3503 // match of the run of Pattern_White_Space in the pattern, 3504 // then match any extra characters. 3505 UBool literalMatch = FALSE; 3506 while (pos < input.length() && 3507 input.char32At(pos) == c) { 3508 literalMatch = TRUE; 3509 i += len; 3510 pos += len; 3511 if (i == affix.length()) { 3512 break; 3513 } 3514 c = affix.char32At(i); 3515 len = U16_LENGTH(c); 3516 if (!PatternProps::isWhiteSpace(c)) { 3517 break; 3518 } 3519 } 3520 3521 // Advance over run in pattern 3522 i = skipPatternWhiteSpace(affix, i); 3523 3524 // Advance over run in input text 3525 // Must see at least one white space char in input, 3526 // unless we've already matched some characters literally. 3527 int32_t s = pos; 3528 pos = skipUWhiteSpace(input, pos); 3529 if (pos == s && !literalMatch) { 3530 return -1; 3531 } 3532 3533 // If we skip UWhiteSpace in the input text, we need to skip it in the pattern. 3534 // Otherwise, the previous lines may have skipped over text (such as U+00A0) that 3535 // is also in the affix. 3536 i = skipUWhiteSpace(affix, i); 3537 } else { 3538 if (pos < input.length() && 3539 input.char32At(pos) == c) { 3540 i += len; 3541 pos += len; 3542 } else { 3543 return -1; 3544 } 3545 } 3546 } 3547 return pos - start; 3548 } 3549 3550 //---------------------------------------------------------------------- 3551 3552 int32_t 3553 SimpleDateFormat::skipPatternWhiteSpace(const UnicodeString& text, int32_t pos) const { 3554 const UChar* s = text.getBuffer(); 3555 return (int32_t)(PatternProps::skipWhiteSpace(s + pos, text.length() - pos) - s); 3556 } 3557 3558 //---------------------------------------------------------------------- 3559 3560 int32_t 3561 SimpleDateFormat::skipUWhiteSpace(const UnicodeString& text, int32_t pos) const { 3562 while (pos < text.length()) { 3563 UChar32 c = text.char32At(pos); 3564 if (!u_isUWhiteSpace(c)) { 3565 break; 3566 } 3567 pos += U16_LENGTH(c); 3568 } 3569 return pos; 3570 } 3571 3572 //---------------------------------------------------------------------- 3573 3574 // Lazy TimeZoneFormat instantiation, semantically const. 3575 TimeZoneFormat * 3576 SimpleDateFormat::tzFormat() const { 3577 if (fTimeZoneFormat == NULL) { 3578 umtx_lock(&LOCK); 3579 { 3580 if (fTimeZoneFormat == NULL) { 3581 UErrorCode status = U_ZERO_ERROR; 3582 TimeZoneFormat *tzfmt = TimeZoneFormat::createInstance(fLocale, status); 3583 if (U_FAILURE(status)) { 3584 return NULL; 3585 } 3586 3587 const_cast<SimpleDateFormat *>(this)->fTimeZoneFormat = tzfmt; 3588 } 3589 } 3590 umtx_unlock(&LOCK); 3591 } 3592 return fTimeZoneFormat; 3593 } 3594 3595 U_NAMESPACE_END 3596 3597 #endif /* #if !UCONFIG_NO_FORMATTING */ 3598 3599 //eof 3600
