1 /******************************************************************************* 2 * Copyright (C) 2008-2012, International Business Machines Corporation and 3 * others. All Rights Reserved. 4 ******************************************************************************* 5 * 6 * File DTITVINF.CPP 7 * 8 ******************************************************************************* 9 */ 10 11 #include "unicode/dtitvinf.h" 12 13 14 #if !UCONFIG_NO_FORMATTING 15 16 //TODO: define it in compiler time 17 //#define DTITVINF_DEBUG 1 18 19 20 #ifdef DTITVINF_DEBUG 21 #include <iostream> 22 #endif 23 24 #include "cstring.h" 25 #include "unicode/msgfmt.h" 26 #include "unicode/uloc.h" 27 #include "unicode/ures.h" 28 #include "dtitv_impl.h" 29 #include "hash.h" 30 #include "gregoimp.h" 31 #include "uresimp.h" 32 #include "hash.h" 33 #include "gregoimp.h" 34 #include "uresimp.h" 35 36 37 U_NAMESPACE_BEGIN 38 39 40 #ifdef DTITVINF_DEBUG 41 #define PRINTMESG(msg) { std::cout << "(" << __FILE__ << ":" << __LINE__ << ") " << msg << "\n"; } 42 #endif 43 44 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DateIntervalInfo) 45 46 static const char gCalendarTag[]="calendar"; 47 static const char gGregorianTag[]="gregorian"; 48 static const char gIntervalDateTimePatternTag[]="intervalFormats"; 49 static const char gFallbackPatternTag[]="fallback"; 50 51 // {0} 52 static const UChar gFirstPattern[] = {LEFT_CURLY_BRACKET, DIGIT_ZERO, RIGHT_CURLY_BRACKET}; 53 // {1} 54 static const UChar gSecondPattern[] = {LEFT_CURLY_BRACKET, DIGIT_ONE, RIGHT_CURLY_BRACKET}; 55 56 // default fall-back 57 static const UChar gDefaultFallbackPattern[] = {LEFT_CURLY_BRACKET, DIGIT_ZERO, RIGHT_CURLY_BRACKET, SPACE, EN_DASH, SPACE, LEFT_CURLY_BRACKET, DIGIT_ONE, RIGHT_CURLY_BRACKET, 0}; 58 59 60 61 DateIntervalInfo::DateIntervalInfo(UErrorCode& status) 62 : fFallbackIntervalPattern(gDefaultFallbackPattern), 63 fFirstDateInPtnIsLaterDate(false), 64 fIntervalPatterns(NULL) 65 { 66 fIntervalPatterns = initHash(status); 67 } 68 69 70 71 DateIntervalInfo::DateIntervalInfo(const Locale& locale, UErrorCode& status) 72 : fFallbackIntervalPattern(gDefaultFallbackPattern), 73 fFirstDateInPtnIsLaterDate(false), 74 fIntervalPatterns(NULL) 75 { 76 initializeData(locale, status); 77 } 78 79 80 81 void 82 DateIntervalInfo::setIntervalPattern(const UnicodeString& skeleton, 83 UCalendarDateFields lrgDiffCalUnit, 84 const UnicodeString& intervalPattern, 85 UErrorCode& status) { 86 87 if ( lrgDiffCalUnit == UCAL_HOUR_OF_DAY ) { 88 setIntervalPatternInternally(skeleton, UCAL_AM_PM, intervalPattern, status); 89 setIntervalPatternInternally(skeleton, UCAL_HOUR, intervalPattern, status); 90 } else if ( lrgDiffCalUnit == UCAL_DAY_OF_MONTH || 91 lrgDiffCalUnit == UCAL_DAY_OF_WEEK ) { 92 setIntervalPatternInternally(skeleton, UCAL_DATE, intervalPattern, status); 93 } else { 94 setIntervalPatternInternally(skeleton, lrgDiffCalUnit, intervalPattern, status); 95 } 96 } 97 98 99 void 100 DateIntervalInfo::setFallbackIntervalPattern( 101 const UnicodeString& fallbackPattern, 102 UErrorCode& status) { 103 if ( U_FAILURE(status) ) { 104 return; 105 } 106 int32_t firstPatternIndex = fallbackPattern.indexOf(gFirstPattern, 107 sizeof(gFirstPattern)/sizeof(gFirstPattern[0]), 0); 108 int32_t secondPatternIndex = fallbackPattern.indexOf(gSecondPattern, 109 sizeof(gSecondPattern)/sizeof(gSecondPattern[0]), 0); 110 if ( firstPatternIndex == -1 || secondPatternIndex == -1 ) { 111 status = U_ILLEGAL_ARGUMENT_ERROR; 112 return; 113 } 114 if ( firstPatternIndex > secondPatternIndex ) { 115 fFirstDateInPtnIsLaterDate = true; 116 } 117 fFallbackIntervalPattern = fallbackPattern; 118 } 119 120 121 122 DateIntervalInfo::DateIntervalInfo(const DateIntervalInfo& dtitvinf) 123 : UObject(dtitvinf), 124 fIntervalPatterns(NULL) 125 { 126 *this = dtitvinf; 127 } 128 129 130 131 DateIntervalInfo& 132 DateIntervalInfo::operator=(const DateIntervalInfo& dtitvinf) { 133 if ( this == &dtitvinf ) { 134 return *this; 135 } 136 137 UErrorCode status = U_ZERO_ERROR; 138 deleteHash(fIntervalPatterns); 139 fIntervalPatterns = initHash(status); 140 copyHash(dtitvinf.fIntervalPatterns, fIntervalPatterns, status); 141 if ( U_FAILURE(status) ) { 142 return *this; 143 } 144 145 fFallbackIntervalPattern = dtitvinf.fFallbackIntervalPattern; 146 fFirstDateInPtnIsLaterDate = dtitvinf.fFirstDateInPtnIsLaterDate; 147 return *this; 148 } 149 150 151 DateIntervalInfo* 152 DateIntervalInfo::clone() const { 153 return new DateIntervalInfo(*this); 154 } 155 156 157 DateIntervalInfo::~DateIntervalInfo() { 158 deleteHash(fIntervalPatterns); 159 fIntervalPatterns = NULL; 160 } 161 162 163 UBool 164 DateIntervalInfo::operator==(const DateIntervalInfo& other) const { 165 UBool equal = ( 166 fFallbackIntervalPattern == other.fFallbackIntervalPattern && 167 fFirstDateInPtnIsLaterDate == other.fFirstDateInPtnIsLaterDate ); 168 169 if ( equal == TRUE ) { 170 equal = fIntervalPatterns->equals(*(other.fIntervalPatterns)); 171 } 172 173 return equal; 174 } 175 176 177 UnicodeString& 178 DateIntervalInfo::getIntervalPattern(const UnicodeString& skeleton, 179 UCalendarDateFields field, 180 UnicodeString& result, 181 UErrorCode& status) const { 182 if ( U_FAILURE(status) ) { 183 return result; 184 } 185 186 const UnicodeString* patternsOfOneSkeleton = (UnicodeString*) fIntervalPatterns->get(skeleton); 187 if ( patternsOfOneSkeleton != NULL ) { 188 IntervalPatternIndex index = calendarFieldToIntervalIndex(field, status); 189 if ( U_FAILURE(status) ) { 190 return result; 191 } 192 const UnicodeString& intervalPattern = patternsOfOneSkeleton[index]; 193 if ( !intervalPattern.isEmpty() ) { 194 result = intervalPattern; 195 } 196 } 197 return result; 198 } 199 200 201 UBool 202 DateIntervalInfo::getDefaultOrder() const { 203 return fFirstDateInPtnIsLaterDate; 204 } 205 206 207 UnicodeString& 208 DateIntervalInfo::getFallbackIntervalPattern(UnicodeString& result) const { 209 result = fFallbackIntervalPattern; 210 return result; 211 } 212 213 #define ULOC_LOCALE_IDENTIFIER_CAPACITY (ULOC_FULLNAME_CAPACITY + 1 + ULOC_KEYWORD_AND_VALUES_CAPACITY) 214 215 void 216 DateIntervalInfo::initializeData(const Locale& locale, UErrorCode& err) 217 { 218 fIntervalPatterns = initHash(err); 219 if ( U_FAILURE(err) ) { 220 return; 221 } 222 const char *locName = locale.getName(); 223 char parentLocale[ULOC_FULLNAME_CAPACITY]; 224 uprv_strcpy(parentLocale, locName); 225 UErrorCode status = U_ZERO_ERROR; 226 Hashtable skeletonSet(FALSE, status); 227 if ( U_FAILURE(status) ) { 228 return; 229 } 230 231 // determine calendar type 232 const char * calendarTypeToUse = gGregorianTag; // initial default 233 char calendarType[ULOC_KEYWORDS_CAPACITY]; // to be filled in with the type to use, if all goes well 234 char localeWithCalendarKey[ULOC_LOCALE_IDENTIFIER_CAPACITY]; 235 // obtain a locale that always has the calendar key value that should be used 236 (void)ures_getFunctionalEquivalent(localeWithCalendarKey, ULOC_LOCALE_IDENTIFIER_CAPACITY, NULL, 237 "calendar", "calendar", locName, NULL, FALSE, &status); 238 localeWithCalendarKey[ULOC_LOCALE_IDENTIFIER_CAPACITY-1] = 0; // ensure null termination 239 // now get the calendar key value from that locale 240 int32_t calendarTypeLen = uloc_getKeywordValue(localeWithCalendarKey, "calendar", calendarType, ULOC_KEYWORDS_CAPACITY, &status); 241 if (U_SUCCESS(status) && calendarTypeLen < ULOC_KEYWORDS_CAPACITY) { 242 calendarTypeToUse = calendarType; 243 } 244 status = U_ZERO_ERROR; 245 246 do { 247 UResourceBundle *rb, *calBundle, *calTypeBundle, *itvDtPtnResource; 248 rb = ures_open(NULL, parentLocale, &status); 249 if ( U_FAILURE(status) ) { 250 break; 251 } 252 calBundle = ures_getByKey(rb, gCalendarTag, NULL, &status); 253 calTypeBundle = ures_getByKey(calBundle, calendarTypeToUse, NULL, &status); 254 itvDtPtnResource = ures_getByKeyWithFallback(calTypeBundle, 255 gIntervalDateTimePatternTag, NULL, &status); 256 257 if ( U_SUCCESS(status) ) { 258 // look for fallback first, since it establishes the default order 259 const UChar* resStr; 260 int32_t resStrLen = 0; 261 resStr = ures_getStringByKeyWithFallback(itvDtPtnResource, 262 gFallbackPatternTag, 263 &resStrLen, &status); 264 if ( U_SUCCESS(status) ) { 265 UnicodeString pattern = UnicodeString(TRUE, resStr, resStrLen); 266 setFallbackIntervalPattern(pattern, status); 267 } 268 269 int32_t size = ures_getSize(itvDtPtnResource); 270 int32_t index; 271 for ( index = 0; index < size; ++index ) { 272 LocalUResourceBundlePointer oneRes(ures_getByIndex(itvDtPtnResource, index, 273 NULL, &status)); 274 if ( U_SUCCESS(status) ) { 275 const char* skeleton = ures_getKey(oneRes.getAlias()); 276 if (skeleton == NULL) { 277 continue; 278 } 279 UnicodeString skeletonUniStr(skeleton, -1, US_INV); 280 if ( skeletonSet.geti(skeletonUniStr) == 1 ) { 281 continue; 282 } 283 skeletonSet.puti(skeletonUniStr, 1, status); 284 if ( uprv_strcmp(skeleton, gFallbackPatternTag) == 0 ) { 285 continue; // fallback 286 } 287 288 LocalUResourceBundlePointer intervalPatterns(ures_getByKey( 289 itvDtPtnResource, skeleton, NULL, &status)); 290 291 if ( U_FAILURE(status) ) { 292 break; 293 } 294 if ( intervalPatterns == NULL ) { 295 continue; 296 } 297 298 const char* key; 299 int32_t ptnNum = ures_getSize(intervalPatterns.getAlias()); 300 int32_t ptnIndex; 301 for ( ptnIndex = 0; ptnIndex < ptnNum; ++ptnIndex ) { 302 UnicodeString pattern = 303 ures_getNextUnicodeString(intervalPatterns.getAlias(), &key, &status); 304 if ( U_FAILURE(status) ) { 305 break; 306 } 307 308 UCalendarDateFields calendarField = UCAL_FIELD_COUNT; 309 if ( !uprv_strcmp(key, "y") ) { 310 calendarField = UCAL_YEAR; 311 } else if ( !uprv_strcmp(key, "M") ) { 312 calendarField = UCAL_MONTH; 313 } else if ( !uprv_strcmp(key, "d") ) { 314 calendarField = UCAL_DATE; 315 } else if ( !uprv_strcmp(key, "a") ) { 316 calendarField = UCAL_AM_PM; 317 } else if ( !uprv_strcmp(key, "h") || !uprv_strcmp(key, "H") ) { 318 calendarField = UCAL_HOUR; 319 } else if ( !uprv_strcmp(key, "m") ) { 320 calendarField = UCAL_MINUTE; 321 } 322 if ( calendarField != UCAL_FIELD_COUNT ) { 323 setIntervalPatternInternally(skeletonUniStr, calendarField, pattern,status); 324 } 325 } 326 } 327 } 328 } 329 ures_close(itvDtPtnResource); 330 ures_close(calTypeBundle); 331 ures_close(calBundle); 332 333 status = U_ZERO_ERROR; 334 // Find the name of the appropriate parent locale (from %%Parent if present, else 335 // uloc_getParent on the actual locale name) 336 // (It would be nice to have a ures function that did this...) 337 int32_t locNameLen; 338 const UChar * parentUName = ures_getStringByKey(rb, "%%Parent", &locNameLen, &status); 339 if (U_SUCCESS(status) && status != U_USING_FALLBACK_WARNING && locNameLen < ULOC_FULLNAME_CAPACITY) { 340 u_UCharsToChars(parentUName, parentLocale, locNameLen + 1); 341 } else { 342 status = U_ZERO_ERROR; 343 // Get the actual name of the current locale being used 344 const char *curLocaleName=ures_getLocaleByType(rb, ULOC_ACTUAL_LOCALE, &status); 345 if ( U_FAILURE(status) ) { 346 curLocaleName = parentLocale; 347 status = U_ZERO_ERROR; 348 } 349 uloc_getParent(curLocaleName, parentLocale, ULOC_FULLNAME_CAPACITY, &status); 350 if (U_FAILURE(err) || err == U_STRING_NOT_TERMINATED_WARNING) { 351 parentLocale[0] = 0; // just fallback to root, will cause us to stop 352 status = U_ZERO_ERROR; 353 } 354 } 355 // Now we can close the current locale bundle 356 ures_close(rb); 357 // If the new current locale is root, then stop 358 // (unlike for DateTimePatternGenerator, DateIntervalFormat does not go all the way up 359 // to root to find additional data for non-root locales) 360 } while ( parentLocale[0] != 0 && uprv_strcmp(parentLocale,"root")!=0 ); 361 } 362 363 364 365 void 366 DateIntervalInfo::setIntervalPatternInternally(const UnicodeString& skeleton, 367 UCalendarDateFields lrgDiffCalUnit, 368 const UnicodeString& intervalPattern, 369 UErrorCode& status) { 370 IntervalPatternIndex index = calendarFieldToIntervalIndex(lrgDiffCalUnit,status); 371 if ( U_FAILURE(status) ) { 372 return; 373 } 374 UnicodeString* patternsOfOneSkeleton = (UnicodeString*)(fIntervalPatterns->get(skeleton)); 375 UBool emptyHash = false; 376 if ( patternsOfOneSkeleton == NULL ) { 377 patternsOfOneSkeleton = new UnicodeString[kIPI_MAX_INDEX]; 378 emptyHash = true; 379 } 380 381 patternsOfOneSkeleton[index] = intervalPattern; 382 if ( emptyHash == TRUE ) { 383 fIntervalPatterns->put(skeleton, patternsOfOneSkeleton, status); 384 } 385 } 386 387 388 389 void 390 DateIntervalInfo::parseSkeleton(const UnicodeString& skeleton, 391 int32_t* skeletonFieldWidth) { 392 const int8_t PATTERN_CHAR_BASE = 0x41; 393 int32_t i; 394 for ( i = 0; i < skeleton.length(); ++i ) { 395 // it is an ASCII char in skeleton 396 int8_t ch = (int8_t)skeleton.charAt(i); 397 ++skeletonFieldWidth[ch - PATTERN_CHAR_BASE]; 398 } 399 } 400 401 402 403 UBool 404 DateIntervalInfo::stringNumeric(int32_t fieldWidth, int32_t anotherFieldWidth, 405 char patternLetter) { 406 if ( patternLetter == 'M' ) { 407 if ( (fieldWidth <= 2 && anotherFieldWidth > 2) || 408 (fieldWidth > 2 && anotherFieldWidth <= 2 )) { 409 return true; 410 } 411 } 412 return false; 413 } 414 415 416 417 const UnicodeString* 418 DateIntervalInfo::getBestSkeleton(const UnicodeString& skeleton, 419 int8_t& bestMatchDistanceInfo) const { 420 #ifdef DTITVINF_DEBUG 421 char result[1000]; 422 char result_1[1000]; 423 char mesg[2000]; 424 skeleton.extract(0, skeleton.length(), result, "UTF-8"); 425 sprintf(mesg, "in getBestSkeleton: skeleton: %s; \n", result); 426 PRINTMESG(mesg) 427 #endif 428 429 430 int32_t inputSkeletonFieldWidth[] = 431 { 432 // A B C D E F G H I J K L M N O 433 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 434 // P Q R S T U V W X Y Z 435 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 436 // a b c d e f g h i j k l m n o 437 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 438 // p q r s t u v w x y z 439 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 440 }; 441 442 int32_t skeletonFieldWidth[] = 443 { 444 // A B C D E F G H I J K L M N O 445 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 446 // P Q R S T U V W X Y Z 447 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 448 // a b c d e f g h i j k l m n o 449 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 450 // p q r s t u v w x y z 451 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 452 }; 453 454 const int32_t DIFFERENT_FIELD = 0x1000; 455 const int32_t STRING_NUMERIC_DIFFERENCE = 0x100; 456 const int32_t BASE = 0x41; 457 const UChar CHAR_V = 0x0076; 458 const UChar CHAR_Z = 0x007A; 459 460 // hack for 'v' and 'z'. 461 // resource bundle only have time skeletons ending with 'v', 462 // but not for time skeletons ending with 'z'. 463 UBool replaceZWithV = false; 464 const UnicodeString* inputSkeleton = &skeleton; 465 UnicodeString copySkeleton; 466 if ( skeleton.indexOf(CHAR_Z) != -1 ) { 467 copySkeleton = skeleton; 468 copySkeleton.findAndReplace(UnicodeString(CHAR_Z), UnicodeString(CHAR_V)); 469 inputSkeleton = ©Skeleton; 470 replaceZWithV = true; 471 } 472 473 parseSkeleton(*inputSkeleton, inputSkeletonFieldWidth); 474 int32_t bestDistance = MAX_POSITIVE_INT; 475 const UnicodeString* bestSkeleton = NULL; 476 477 // 0 means exact the same skeletons; 478 // 1 means having the same field, but with different length, 479 // 2 means only z/v differs 480 // -1 means having different field. 481 bestMatchDistanceInfo = 0; 482 int8_t fieldLength = sizeof(skeletonFieldWidth)/sizeof(skeletonFieldWidth[0]); 483 484 int32_t pos = -1; 485 const UHashElement* elem = NULL; 486 while ( (elem = fIntervalPatterns->nextElement(pos)) != NULL ) { 487 const UHashTok keyTok = elem->key; 488 UnicodeString* skeleton = (UnicodeString*)keyTok.pointer; 489 #ifdef DTITVINF_DEBUG 490 skeleton->extract(0, skeleton->length(), result, "UTF-8"); 491 sprintf(mesg, "available skeletons: skeleton: %s; \n", result); 492 PRINTMESG(mesg) 493 #endif 494 495 // clear skeleton field width 496 int8_t i; 497 for ( i = 0; i < fieldLength; ++i ) { 498 skeletonFieldWidth[i] = 0; 499 } 500 parseSkeleton(*skeleton, skeletonFieldWidth); 501 // calculate distance 502 int32_t distance = 0; 503 int8_t fieldDifference = 1; 504 for ( i = 0; i < fieldLength; ++i ) { 505 int32_t inputFieldWidth = inputSkeletonFieldWidth[i]; 506 int32_t fieldWidth = skeletonFieldWidth[i]; 507 if ( inputFieldWidth == fieldWidth ) { 508 continue; 509 } 510 if ( inputFieldWidth == 0 ) { 511 fieldDifference = -1; 512 distance += DIFFERENT_FIELD; 513 } else if ( fieldWidth == 0 ) { 514 fieldDifference = -1; 515 distance += DIFFERENT_FIELD; 516 } else if (stringNumeric(inputFieldWidth, fieldWidth, 517 (char)(i+BASE) ) ) { 518 distance += STRING_NUMERIC_DIFFERENCE; 519 } else { 520 distance += (inputFieldWidth > fieldWidth) ? 521 (inputFieldWidth - fieldWidth) : 522 (fieldWidth - inputFieldWidth); 523 } 524 } 525 if ( distance < bestDistance ) { 526 bestSkeleton = skeleton; 527 bestDistance = distance; 528 bestMatchDistanceInfo = fieldDifference; 529 } 530 if ( distance == 0 ) { 531 bestMatchDistanceInfo = 0; 532 break; 533 } 534 } 535 if ( replaceZWithV && bestMatchDistanceInfo != -1 ) { 536 bestMatchDistanceInfo = 2; 537 } 538 return bestSkeleton; 539 } 540 541 542 543 DateIntervalInfo::IntervalPatternIndex 544 DateIntervalInfo::calendarFieldToIntervalIndex(UCalendarDateFields field, 545 UErrorCode& status) { 546 if ( U_FAILURE(status) ) { 547 return kIPI_MAX_INDEX; 548 } 549 IntervalPatternIndex index = kIPI_MAX_INDEX; 550 switch ( field ) { 551 case UCAL_ERA: 552 index = kIPI_ERA; 553 break; 554 case UCAL_YEAR: 555 index = kIPI_YEAR; 556 break; 557 case UCAL_MONTH: 558 index = kIPI_MONTH; 559 break; 560 case UCAL_DATE: 561 case UCAL_DAY_OF_WEEK: 562 //case UCAL_DAY_OF_MONTH: 563 index = kIPI_DATE; 564 break; 565 case UCAL_AM_PM: 566 index = kIPI_AM_PM; 567 break; 568 case UCAL_HOUR: 569 case UCAL_HOUR_OF_DAY: 570 index = kIPI_HOUR; 571 break; 572 case UCAL_MINUTE: 573 index = kIPI_MINUTE; 574 break; 575 default: 576 status = U_ILLEGAL_ARGUMENT_ERROR; 577 } 578 return index; 579 } 580 581 582 583 void 584 DateIntervalInfo::deleteHash(Hashtable* hTable) 585 { 586 if ( hTable == NULL ) { 587 return; 588 } 589 int32_t pos = -1; 590 const UHashElement* element = NULL; 591 while ( (element = hTable->nextElement(pos)) != NULL ) { 592 const UHashTok valueTok = element->value; 593 const UnicodeString* value = (UnicodeString*)valueTok.pointer; 594 delete[] value; 595 } 596 delete fIntervalPatterns; 597 } 598 599 600 U_CDECL_BEGIN 601 602 /** 603 * set hash table value comparator 604 * 605 * @param val1 one value in comparison 606 * @param val2 the other value in comparison 607 * @return TRUE if 2 values are the same, FALSE otherwise 608 */ 609 static UBool U_CALLCONV dtitvinfHashTableValueComparator(UHashTok val1, UHashTok val2); 610 611 static UBool 612 U_CALLCONV dtitvinfHashTableValueComparator(UHashTok val1, UHashTok val2) { 613 const UnicodeString* pattern1 = (UnicodeString*)val1.pointer; 614 const UnicodeString* pattern2 = (UnicodeString*)val2.pointer; 615 UBool ret = TRUE; 616 int8_t i; 617 for ( i = 0; i < DateIntervalInfo::kMaxIntervalPatternIndex && ret == TRUE; ++i ) { 618 ret = (pattern1[i] == pattern2[i]); 619 } 620 return ret; 621 } 622 623 U_CDECL_END 624 625 626 Hashtable* 627 DateIntervalInfo::initHash(UErrorCode& status) { 628 if ( U_FAILURE(status) ) { 629 return NULL; 630 } 631 Hashtable* hTable; 632 if ( (hTable = new Hashtable(FALSE, status)) == NULL ) { 633 status = U_MEMORY_ALLOCATION_ERROR; 634 return NULL; 635 } 636 if ( U_FAILURE(status) ) { 637 delete hTable; 638 return NULL; 639 } 640 hTable->setValueComparator(dtitvinfHashTableValueComparator); 641 return hTable; 642 } 643 644 645 void 646 DateIntervalInfo::copyHash(const Hashtable* source, 647 Hashtable* target, 648 UErrorCode& status) { 649 if ( U_FAILURE(status) ) { 650 return; 651 } 652 int32_t pos = -1; 653 const UHashElement* element = NULL; 654 if ( source ) { 655 while ( (element = source->nextElement(pos)) != NULL ) { 656 const UHashTok keyTok = element->key; 657 const UnicodeString* key = (UnicodeString*)keyTok.pointer; 658 const UHashTok valueTok = element->value; 659 const UnicodeString* value = (UnicodeString*)valueTok.pointer; 660 UnicodeString* copy = new UnicodeString[kIPI_MAX_INDEX]; 661 int8_t i; 662 for ( i = 0; i < kIPI_MAX_INDEX; ++i ) { 663 copy[i] = value[i]; 664 } 665 target->put(UnicodeString(*key), copy, status); 666 if ( U_FAILURE(status) ) { 667 return; 668 } 669 } 670 } 671 } 672 673 674 U_NAMESPACE_END 675 676 #endif 677