1 /* 2 ******************************************************************************* 3 * Copyright (C) 1997-2010, International Business Machines Corporation 4 * and others. All Rights Reserved. 5 ******************************************************************************* 6 */ 7 8 #include "unicode/utypeinfo.h" // for 'typeid' to work 9 10 #include "unicode/rbnf.h" 11 12 #if U_HAVE_RBNF 13 14 #include "unicode/normlzr.h" 15 #include "unicode/tblcoll.h" 16 #include "unicode/uchar.h" 17 #include "unicode/ucol.h" 18 #include "unicode/uloc.h" 19 #include "unicode/unum.h" 20 #include "unicode/ures.h" 21 #include "unicode/ustring.h" 22 #include "unicode/utf16.h" 23 #include "unicode/udata.h" 24 #include "nfrs.h" 25 26 #include "cmemory.h" 27 #include "cstring.h" 28 #include "util.h" 29 #include "uresimp.h" 30 31 // debugging 32 // #define DEBUG 33 34 #ifdef DEBUG 35 #include "stdio.h" 36 #endif 37 38 #define U_ICUDATA_RBNF U_ICUDATA_NAME U_TREE_SEPARATOR_STRING "rbnf" 39 40 static const UChar gPercentPercent[] = 41 { 42 0x25, 0x25, 0 43 }; /* "%%" */ 44 45 // All urbnf objects are created through openRules, so we init all of the 46 // Unicode string constants required by rbnf, nfrs, or nfr here. 47 static const UChar gLenientParse[] = 48 { 49 0x25, 0x25, 0x6C, 0x65, 0x6E, 0x69, 0x65, 0x6E, 0x74, 0x2D, 0x70, 0x61, 0x72, 0x73, 0x65, 0x3A, 0 50 }; /* "%%lenient-parse:" */ 51 static const UChar gSemiColon = 0x003B; 52 static const UChar gSemiPercent[] = 53 { 54 0x3B, 0x25, 0 55 }; /* ";%" */ 56 57 #define kSomeNumberOfBitsDiv2 22 58 #define kHalfMaxDouble (double)(1 << kSomeNumberOfBitsDiv2) 59 #define kMaxDouble (kHalfMaxDouble * kHalfMaxDouble) 60 61 // Temporary workaround - when noParse is true, do noting in parse. 62 // TODO: We need a real fix - see #6895/#6896 63 static const char *NO_SPELLOUT_PARSE_LANGUAGES[] = { "ga", NULL }; 64 65 U_NAMESPACE_BEGIN 66 67 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RuleBasedNumberFormat) 68 69 /* 70 This is a utility class. It does not use ICU's RTTI. 71 If ICU's RTTI is needed again, you can uncomment the RTTI code and derive from UObject. 72 Please make sure that intltest passes on Windows in Release mode, 73 since the string pooling per compilation unit will mess up how RTTI works. 74 The RTTI code was also removed due to lack of code coverage. 75 */ 76 class LocalizationInfo : public UMemory { 77 protected: 78 virtual ~LocalizationInfo() {}; 79 uint32_t refcount; 80 81 public: 82 LocalizationInfo() : refcount(0) {} 83 84 LocalizationInfo* ref(void) { 85 ++refcount; 86 return this; 87 } 88 89 LocalizationInfo* unref(void) { 90 if (refcount && --refcount == 0) { 91 delete this; 92 } 93 return NULL; 94 } 95 96 virtual UBool operator==(const LocalizationInfo* rhs) const; 97 inline UBool operator!=(const LocalizationInfo* rhs) const { return !operator==(rhs); } 98 99 virtual int32_t getNumberOfRuleSets(void) const = 0; 100 virtual const UChar* getRuleSetName(int32_t index) const = 0; 101 virtual int32_t getNumberOfDisplayLocales(void) const = 0; 102 virtual const UChar* getLocaleName(int32_t index) const = 0; 103 virtual const UChar* getDisplayName(int32_t localeIndex, int32_t ruleIndex) const = 0; 104 105 virtual int32_t indexForLocale(const UChar* locale) const; 106 virtual int32_t indexForRuleSet(const UChar* ruleset) const; 107 108 // virtual UClassID getDynamicClassID() const = 0; 109 // static UClassID getStaticClassID(void); 110 }; 111 112 //UOBJECT_DEFINE_ABSTRACT_RTTI_IMPLEMENTATION(LocalizationInfo) 113 114 // if both strings are NULL, this returns TRUE 115 static UBool 116 streq(const UChar* lhs, const UChar* rhs) { 117 if (rhs == lhs) { 118 return TRUE; 119 } 120 if (lhs && rhs) { 121 return u_strcmp(lhs, rhs) == 0; 122 } 123 return FALSE; 124 } 125 126 UBool 127 LocalizationInfo::operator==(const LocalizationInfo* rhs) const { 128 if (rhs) { 129 if (this == rhs) { 130 return TRUE; 131 } 132 133 int32_t rsc = getNumberOfRuleSets(); 134 if (rsc == rhs->getNumberOfRuleSets()) { 135 for (int i = 0; i < rsc; ++i) { 136 if (!streq(getRuleSetName(i), rhs->getRuleSetName(i))) { 137 return FALSE; 138 } 139 } 140 int32_t dlc = getNumberOfDisplayLocales(); 141 if (dlc == rhs->getNumberOfDisplayLocales()) { 142 for (int i = 0; i < dlc; ++i) { 143 const UChar* locale = getLocaleName(i); 144 int32_t ix = rhs->indexForLocale(locale); 145 // if no locale, ix is -1, getLocaleName returns null, so streq returns false 146 if (!streq(locale, rhs->getLocaleName(ix))) { 147 return FALSE; 148 } 149 for (int j = 0; j < rsc; ++j) { 150 if (!streq(getDisplayName(i, j), rhs->getDisplayName(ix, j))) { 151 return FALSE; 152 } 153 } 154 } 155 return TRUE; 156 } 157 } 158 } 159 return FALSE; 160 } 161 162 int32_t 163 LocalizationInfo::indexForLocale(const UChar* locale) const { 164 for (int i = 0; i < getNumberOfDisplayLocales(); ++i) { 165 if (streq(locale, getLocaleName(i))) { 166 return i; 167 } 168 } 169 return -1; 170 } 171 172 int32_t 173 LocalizationInfo::indexForRuleSet(const UChar* ruleset) const { 174 if (ruleset) { 175 for (int i = 0; i < getNumberOfRuleSets(); ++i) { 176 if (streq(ruleset, getRuleSetName(i))) { 177 return i; 178 } 179 } 180 } 181 return -1; 182 } 183 184 185 typedef void (*Fn_Deleter)(void*); 186 187 class VArray { 188 void** buf; 189 int32_t cap; 190 int32_t size; 191 Fn_Deleter deleter; 192 public: 193 VArray() : buf(NULL), cap(0), size(0), deleter(NULL) {} 194 195 VArray(Fn_Deleter del) : buf(NULL), cap(0), size(0), deleter(del) {} 196 197 ~VArray() { 198 if (deleter) { 199 for (int i = 0; i < size; ++i) { 200 (*deleter)(buf[i]); 201 } 202 } 203 uprv_free(buf); 204 } 205 206 int32_t length() { 207 return size; 208 } 209 210 void add(void* elem, UErrorCode& status) { 211 if (U_SUCCESS(status)) { 212 if (size == cap) { 213 if (cap == 0) { 214 cap = 1; 215 } else if (cap < 256) { 216 cap *= 2; 217 } else { 218 cap += 256; 219 } 220 if (buf == NULL) { 221 buf = (void**)uprv_malloc(cap * sizeof(void*)); 222 } else { 223 buf = (void**)uprv_realloc(buf, cap * sizeof(void*)); 224 } 225 if (buf == NULL) { 226 // if we couldn't realloc, we leak the memory we've already allocated, but we're in deep trouble anyway 227 status = U_MEMORY_ALLOCATION_ERROR; 228 return; 229 } 230 void* start = &buf[size]; 231 size_t count = (cap - size) * sizeof(void*); 232 uprv_memset(start, 0, count); // fill with nulls, just because 233 } 234 buf[size++] = elem; 235 } 236 } 237 238 void** release(void) { 239 void** result = buf; 240 buf = NULL; 241 cap = 0; 242 size = 0; 243 return result; 244 } 245 }; 246 247 class LocDataParser; 248 249 class StringLocalizationInfo : public LocalizationInfo { 250 UChar* info; 251 UChar*** data; 252 int32_t numRuleSets; 253 int32_t numLocales; 254 255 friend class LocDataParser; 256 257 StringLocalizationInfo(UChar* i, UChar*** d, int32_t numRS, int32_t numLocs) 258 : info(i), data(d), numRuleSets(numRS), numLocales(numLocs) 259 { 260 } 261 262 public: 263 static StringLocalizationInfo* create(const UnicodeString& info, UParseError& perror, UErrorCode& status); 264 265 virtual ~StringLocalizationInfo(); 266 virtual int32_t getNumberOfRuleSets(void) const { return numRuleSets; } 267 virtual const UChar* getRuleSetName(int32_t index) const; 268 virtual int32_t getNumberOfDisplayLocales(void) const { return numLocales; } 269 virtual const UChar* getLocaleName(int32_t index) const; 270 virtual const UChar* getDisplayName(int32_t localeIndex, int32_t ruleIndex) const; 271 272 // virtual UClassID getDynamicClassID() const; 273 // static UClassID getStaticClassID(void); 274 275 private: 276 void init(UErrorCode& status) const; 277 }; 278 279 280 enum { 281 OPEN_ANGLE = 0x003c, /* '<' */ 282 CLOSE_ANGLE = 0x003e, /* '>' */ 283 COMMA = 0x002c, 284 TICK = 0x0027, 285 QUOTE = 0x0022, 286 SPACE = 0x0020 287 }; 288 289 /** 290 * Utility for parsing a localization string and returning a StringLocalizationInfo*. 291 */ 292 class LocDataParser { 293 UChar* data; 294 const UChar* e; 295 UChar* p; 296 UChar ch; 297 UParseError& pe; 298 UErrorCode& ec; 299 300 public: 301 LocDataParser(UParseError& parseError, UErrorCode& status) 302 : data(NULL), e(NULL), p(NULL), ch(0xffff), pe(parseError), ec(status) {} 303 ~LocDataParser() {} 304 305 /* 306 * On a successful parse, return a StringLocalizationInfo*, otherwise delete locData, set perror and status, 307 * and return NULL. The StringLocalizationInfo will adopt locData if it is created. 308 */ 309 StringLocalizationInfo* parse(UChar* data, int32_t len); 310 311 private: 312 313 void inc(void) { ++p; ch = 0xffff; } 314 UBool checkInc(UChar c) { if (p < e && (ch == c || *p == c)) { inc(); return TRUE; } return FALSE; } 315 UBool check(UChar c) { return p < e && (ch == c || *p == c); } 316 void skipWhitespace(void) { while (p < e && uprv_isRuleWhiteSpace(ch != 0xffff ? ch : *p)) inc();} 317 UBool inList(UChar c, const UChar* list) const { 318 if (*list == SPACE && uprv_isRuleWhiteSpace(c)) return TRUE; 319 while (*list && *list != c) ++list; return *list == c; 320 } 321 void parseError(const char* msg); 322 323 StringLocalizationInfo* doParse(void); 324 325 UChar** nextArray(int32_t& requiredLength); 326 UChar* nextString(void); 327 }; 328 329 #ifdef DEBUG 330 #define ERROR(msg) parseError(msg); return NULL; 331 #else 332 #define ERROR(msg) parseError(NULL); return NULL; 333 #endif 334 335 336 static const UChar DQUOTE_STOPLIST[] = { 337 QUOTE, 0 338 }; 339 340 static const UChar SQUOTE_STOPLIST[] = { 341 TICK, 0 342 }; 343 344 static const UChar NOQUOTE_STOPLIST[] = { 345 SPACE, COMMA, CLOSE_ANGLE, OPEN_ANGLE, TICK, QUOTE, 0 346 }; 347 348 static void 349 DeleteFn(void* p) { 350 uprv_free(p); 351 } 352 353 StringLocalizationInfo* 354 LocDataParser::parse(UChar* _data, int32_t len) { 355 if (U_FAILURE(ec)) { 356 if (_data) uprv_free(_data); 357 return NULL; 358 } 359 360 pe.line = 0; 361 pe.offset = -1; 362 pe.postContext[0] = 0; 363 pe.preContext[0] = 0; 364 365 if (_data == NULL) { 366 ec = U_ILLEGAL_ARGUMENT_ERROR; 367 return NULL; 368 } 369 370 if (len <= 0) { 371 ec = U_ILLEGAL_ARGUMENT_ERROR; 372 uprv_free(_data); 373 return NULL; 374 } 375 376 data = _data; 377 e = data + len; 378 p = _data; 379 ch = 0xffff; 380 381 return doParse(); 382 } 383 384 385 StringLocalizationInfo* 386 LocDataParser::doParse(void) { 387 skipWhitespace(); 388 if (!checkInc(OPEN_ANGLE)) { 389 ERROR("Missing open angle"); 390 } else { 391 VArray array(DeleteFn); 392 UBool mightHaveNext = TRUE; 393 int32_t requiredLength = -1; 394 while (mightHaveNext) { 395 mightHaveNext = FALSE; 396 UChar** elem = nextArray(requiredLength); 397 skipWhitespace(); 398 UBool haveComma = check(COMMA); 399 if (elem) { 400 array.add(elem, ec); 401 if (haveComma) { 402 inc(); 403 mightHaveNext = TRUE; 404 } 405 } else if (haveComma) { 406 ERROR("Unexpected character"); 407 } 408 } 409 410 skipWhitespace(); 411 if (!checkInc(CLOSE_ANGLE)) { 412 if (check(OPEN_ANGLE)) { 413 ERROR("Missing comma in outer array"); 414 } else { 415 ERROR("Missing close angle bracket in outer array"); 416 } 417 } 418 419 skipWhitespace(); 420 if (p != e) { 421 ERROR("Extra text after close of localization data"); 422 } 423 424 array.add(NULL, ec); 425 if (U_SUCCESS(ec)) { 426 int32_t numLocs = array.length() - 2; // subtract first, NULL 427 UChar*** result = (UChar***)array.release(); 428 429 return new StringLocalizationInfo(data, result, requiredLength-2, numLocs); // subtract first, NULL 430 } 431 } 432 433 ERROR("Unknown error"); 434 } 435 436 UChar** 437 LocDataParser::nextArray(int32_t& requiredLength) { 438 if (U_FAILURE(ec)) { 439 return NULL; 440 } 441 442 skipWhitespace(); 443 if (!checkInc(OPEN_ANGLE)) { 444 ERROR("Missing open angle"); 445 } 446 447 VArray array; 448 UBool mightHaveNext = TRUE; 449 while (mightHaveNext) { 450 mightHaveNext = FALSE; 451 UChar* elem = nextString(); 452 skipWhitespace(); 453 UBool haveComma = check(COMMA); 454 if (elem) { 455 array.add(elem, ec); 456 if (haveComma) { 457 inc(); 458 mightHaveNext = TRUE; 459 } 460 } else if (haveComma) { 461 ERROR("Unexpected comma"); 462 } 463 } 464 skipWhitespace(); 465 if (!checkInc(CLOSE_ANGLE)) { 466 if (check(OPEN_ANGLE)) { 467 ERROR("Missing close angle bracket in inner array"); 468 } else { 469 ERROR("Missing comma in inner array"); 470 } 471 } 472 473 array.add(NULL, ec); 474 if (U_SUCCESS(ec)) { 475 if (requiredLength == -1) { 476 requiredLength = array.length() + 1; 477 } else if (array.length() != requiredLength) { 478 ec = U_ILLEGAL_ARGUMENT_ERROR; 479 ERROR("Array not of required length"); 480 } 481 482 return (UChar**)array.release(); 483 } 484 ERROR("Unknown Error"); 485 } 486 487 UChar* 488 LocDataParser::nextString() { 489 UChar* result = NULL; 490 491 skipWhitespace(); 492 if (p < e) { 493 const UChar* terminators; 494 UChar c = *p; 495 UBool haveQuote = c == QUOTE || c == TICK; 496 if (haveQuote) { 497 inc(); 498 terminators = c == QUOTE ? DQUOTE_STOPLIST : SQUOTE_STOPLIST; 499 } else { 500 terminators = NOQUOTE_STOPLIST; 501 } 502 UChar* start = p; 503 while (p < e && !inList(*p, terminators)) ++p; 504 if (p == e) { 505 ERROR("Unexpected end of data"); 506 } 507 508 UChar x = *p; 509 if (p > start) { 510 ch = x; 511 *p = 0x0; // terminate by writing to data 512 result = start; // just point into data 513 } 514 if (haveQuote) { 515 if (x != c) { 516 ERROR("Missing matching quote"); 517 } else if (p == start) { 518 ERROR("Empty string"); 519 } 520 inc(); 521 } else if (x == OPEN_ANGLE || x == TICK || x == QUOTE) { 522 ERROR("Unexpected character in string"); 523 } 524 } 525 526 // ok for there to be no next string 527 return result; 528 } 529 530 void 531 LocDataParser::parseError(const char* /*str*/) { 532 if (!data) { 533 return; 534 } 535 536 const UChar* start = p - U_PARSE_CONTEXT_LEN - 1; 537 if (start < data) { 538 start = data; 539 } 540 for (UChar* x = p; --x >= start;) { 541 if (!*x) { 542 start = x+1; 543 break; 544 } 545 } 546 const UChar* limit = p + U_PARSE_CONTEXT_LEN - 1; 547 if (limit > e) { 548 limit = e; 549 } 550 u_strncpy(pe.preContext, start, (int32_t)(p-start)); 551 pe.preContext[p-start] = 0; 552 u_strncpy(pe.postContext, p, (int32_t)(limit-p)); 553 pe.postContext[limit-p] = 0; 554 pe.offset = (int32_t)(p - data); 555 556 #ifdef DEBUG 557 fprintf(stderr, "%s at or near character %d: ", str, p-data); 558 559 UnicodeString msg; 560 msg.append(start, p - start); 561 msg.append((UChar)0x002f); /* SOLIDUS/SLASH */ 562 msg.append(p, limit-p); 563 msg.append("'"); 564 565 char buf[128]; 566 int32_t len = msg.extract(0, msg.length(), buf, 128); 567 if (len >= 128) { 568 buf[127] = 0; 569 } else { 570 buf[len] = 0; 571 } 572 fprintf(stderr, "%s\n", buf); 573 fflush(stderr); 574 #endif 575 576 uprv_free(data); 577 data = NULL; 578 p = NULL; 579 e = NULL; 580 581 if (U_SUCCESS(ec)) { 582 ec = U_PARSE_ERROR; 583 } 584 } 585 586 //UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringLocalizationInfo) 587 588 StringLocalizationInfo* 589 StringLocalizationInfo::create(const UnicodeString& info, UParseError& perror, UErrorCode& status) { 590 if (U_FAILURE(status)) { 591 return NULL; 592 } 593 594 int32_t len = info.length(); 595 if (len == 0) { 596 return NULL; // no error; 597 } 598 599 UChar* p = (UChar*)uprv_malloc(len * sizeof(UChar)); 600 if (!p) { 601 status = U_MEMORY_ALLOCATION_ERROR; 602 return NULL; 603 } 604 info.extract(p, len, status); 605 if (!U_FAILURE(status)) { 606 status = U_ZERO_ERROR; // clear warning about non-termination 607 } 608 609 LocDataParser parser(perror, status); 610 return parser.parse(p, len); 611 } 612 613 StringLocalizationInfo::~StringLocalizationInfo() { 614 for (UChar*** p = (UChar***)data; *p; ++p) { 615 // remaining data is simply pointer into our unicode string data. 616 if (*p) uprv_free(*p); 617 } 618 if (data) uprv_free(data); 619 if (info) uprv_free(info); 620 } 621 622 623 const UChar* 624 StringLocalizationInfo::getRuleSetName(int32_t index) const { 625 if (index >= 0 && index < getNumberOfRuleSets()) { 626 return data[0][index]; 627 } 628 return NULL; 629 } 630 631 const UChar* 632 StringLocalizationInfo::getLocaleName(int32_t index) const { 633 if (index >= 0 && index < getNumberOfDisplayLocales()) { 634 return data[index+1][0]; 635 } 636 return NULL; 637 } 638 639 const UChar* 640 StringLocalizationInfo::getDisplayName(int32_t localeIndex, int32_t ruleIndex) const { 641 if (localeIndex >= 0 && localeIndex < getNumberOfDisplayLocales() && 642 ruleIndex >= 0 && ruleIndex < getNumberOfRuleSets()) { 643 return data[localeIndex+1][ruleIndex+1]; 644 } 645 return NULL; 646 } 647 648 // ---------- 649 650 RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, 651 const UnicodeString& locs, 652 const Locale& alocale, UParseError& perror, UErrorCode& status) 653 : ruleSets(NULL) 654 , defaultRuleSet(NULL) 655 , locale(alocale) 656 , collator(NULL) 657 , decimalFormatSymbols(NULL) 658 , lenient(FALSE) 659 , lenientParseRules(NULL) 660 , localizations(NULL) 661 , noParse(FALSE) //TODO: to be removed after #6895 662 { 663 LocalizationInfo* locinfo = StringLocalizationInfo::create(locs, perror, status); 664 init(description, locinfo, perror, status); 665 } 666 667 RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, 668 const UnicodeString& locs, 669 UParseError& perror, UErrorCode& status) 670 : ruleSets(NULL) 671 , defaultRuleSet(NULL) 672 , locale(Locale::getDefault()) 673 , collator(NULL) 674 , decimalFormatSymbols(NULL) 675 , lenient(FALSE) 676 , lenientParseRules(NULL) 677 , localizations(NULL) 678 , noParse(FALSE) //TODO: to be removed after #6895 679 { 680 LocalizationInfo* locinfo = StringLocalizationInfo::create(locs, perror, status); 681 init(description, locinfo, perror, status); 682 } 683 684 RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, 685 LocalizationInfo* info, 686 const Locale& alocale, UParseError& perror, UErrorCode& status) 687 : ruleSets(NULL) 688 , defaultRuleSet(NULL) 689 , locale(alocale) 690 , collator(NULL) 691 , decimalFormatSymbols(NULL) 692 , lenient(FALSE) 693 , lenientParseRules(NULL) 694 , localizations(NULL) 695 , noParse(FALSE) //TODO: to be removed after #6895 696 { 697 init(description, info, perror, status); 698 } 699 700 RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, 701 UParseError& perror, 702 UErrorCode& status) 703 : ruleSets(NULL) 704 , defaultRuleSet(NULL) 705 , locale(Locale::getDefault()) 706 , collator(NULL) 707 , decimalFormatSymbols(NULL) 708 , lenient(FALSE) 709 , lenientParseRules(NULL) 710 , localizations(NULL) 711 , noParse(FALSE) //TODO: to be removed after #6895 712 { 713 init(description, NULL, perror, status); 714 } 715 716 RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, 717 const Locale& aLocale, 718 UParseError& perror, 719 UErrorCode& status) 720 : ruleSets(NULL) 721 , defaultRuleSet(NULL) 722 , locale(aLocale) 723 , collator(NULL) 724 , decimalFormatSymbols(NULL) 725 , lenient(FALSE) 726 , lenientParseRules(NULL) 727 , localizations(NULL) 728 , noParse(FALSE) //TODO: to be removed after #6895 729 { 730 init(description, NULL, perror, status); 731 } 732 733 RuleBasedNumberFormat::RuleBasedNumberFormat(URBNFRuleSetTag tag, const Locale& alocale, UErrorCode& status) 734 : ruleSets(NULL) 735 , defaultRuleSet(NULL) 736 , locale(alocale) 737 , collator(NULL) 738 , decimalFormatSymbols(NULL) 739 , lenient(FALSE) 740 , lenientParseRules(NULL) 741 , localizations(NULL) 742 { 743 if (U_FAILURE(status)) { 744 return; 745 } 746 747 const char* rules_tag = "RBNFRules"; 748 const char* fmt_tag = ""; 749 switch (tag) { 750 case URBNF_SPELLOUT: fmt_tag = "SpelloutRules"; break; 751 case URBNF_ORDINAL: fmt_tag = "OrdinalRules"; break; 752 case URBNF_DURATION: fmt_tag = "DurationRules"; break; 753 case URBNF_NUMBERING_SYSTEM: fmt_tag = "NumberingSystemRules"; break; 754 default: status = U_ILLEGAL_ARGUMENT_ERROR; return; 755 } 756 757 // TODO: read localization info from resource 758 LocalizationInfo* locinfo = NULL; 759 760 int32_t len = 0; 761 UResourceBundle* nfrb = ures_open(U_ICUDATA_RBNF, locale.getName(), &status); 762 if (U_SUCCESS(status)) { 763 setLocaleIDs(ures_getLocaleByType(nfrb, ULOC_VALID_LOCALE, &status), 764 ures_getLocaleByType(nfrb, ULOC_ACTUAL_LOCALE, &status)); 765 766 UResourceBundle* rbnfRules = ures_getByKeyWithFallback(nfrb, rules_tag, NULL, &status); 767 if (U_FAILURE(status)) { 768 ures_close(nfrb); 769 } 770 UResourceBundle* ruleSets = ures_getByKeyWithFallback(rbnfRules, fmt_tag, NULL, &status); 771 if (U_FAILURE(status)) { 772 ures_close(rbnfRules); 773 ures_close(nfrb); 774 return; 775 } 776 777 UnicodeString desc; 778 while (ures_hasNext(ruleSets)) { 779 const UChar* currentString = ures_getNextString(ruleSets,&len,NULL,&status); 780 desc.append(currentString); 781 } 782 UParseError perror; 783 784 785 init (desc, locinfo, perror, status); 786 787 //TODO: we need a real fix - see #6895 / #6896 788 noParse = FALSE; 789 if (tag == URBNF_SPELLOUT) { 790 const char *lang = alocale.getLanguage(); 791 for (int32_t i = 0; NO_SPELLOUT_PARSE_LANGUAGES[i] != NULL; i++) { 792 if (uprv_strcmp(lang, NO_SPELLOUT_PARSE_LANGUAGES[i]) == 0) { 793 noParse = TRUE; 794 break; 795 } 796 } 797 } 798 //TODO: end 799 800 ures_close(ruleSets); 801 ures_close(rbnfRules); 802 } 803 ures_close(nfrb); 804 } 805 806 RuleBasedNumberFormat::RuleBasedNumberFormat(const RuleBasedNumberFormat& rhs) 807 : NumberFormat(rhs) 808 , ruleSets(NULL) 809 , defaultRuleSet(NULL) 810 , locale(rhs.locale) 811 , collator(NULL) 812 , decimalFormatSymbols(NULL) 813 , lenient(FALSE) 814 , lenientParseRules(NULL) 815 , localizations(NULL) 816 { 817 this->operator=(rhs); 818 } 819 820 // -------- 821 822 RuleBasedNumberFormat& 823 RuleBasedNumberFormat::operator=(const RuleBasedNumberFormat& rhs) 824 { 825 UErrorCode status = U_ZERO_ERROR; 826 dispose(); 827 locale = rhs.locale; 828 lenient = rhs.lenient; 829 830 UnicodeString rules = rhs.getRules(); 831 UParseError perror; 832 init(rules, rhs.localizations ? rhs.localizations->ref() : NULL, perror, status); 833 834 //TODO: remove below when we fix the parse bug - See #6895 / #6896 835 noParse = rhs.noParse; 836 837 return *this; 838 } 839 840 RuleBasedNumberFormat::~RuleBasedNumberFormat() 841 { 842 dispose(); 843 } 844 845 Format* 846 RuleBasedNumberFormat::clone(void) const 847 { 848 RuleBasedNumberFormat * result = NULL; 849 UnicodeString rules = getRules(); 850 UErrorCode status = U_ZERO_ERROR; 851 UParseError perror; 852 result = new RuleBasedNumberFormat(rules, localizations, locale, perror, status); 853 /* test for NULL */ 854 if (result == 0) { 855 status = U_MEMORY_ALLOCATION_ERROR; 856 return 0; 857 } 858 if (U_FAILURE(status)) { 859 delete result; 860 result = 0; 861 } else { 862 result->lenient = lenient; 863 864 //TODO: remove below when we fix the parse bug - See #6895 / #6896 865 result->noParse = noParse; 866 } 867 return result; 868 } 869 870 UBool 871 RuleBasedNumberFormat::operator==(const Format& other) const 872 { 873 if (this == &other) { 874 return TRUE; 875 } 876 877 if (typeid(*this) == typeid(other)) { 878 const RuleBasedNumberFormat& rhs = (const RuleBasedNumberFormat&)other; 879 if (locale == rhs.locale && 880 lenient == rhs.lenient && 881 (localizations == NULL 882 ? rhs.localizations == NULL 883 : (rhs.localizations == NULL 884 ? FALSE 885 : *localizations == rhs.localizations))) { 886 887 NFRuleSet** p = ruleSets; 888 NFRuleSet** q = rhs.ruleSets; 889 if (p == NULL) { 890 return q == NULL; 891 } else if (q == NULL) { 892 return FALSE; 893 } 894 while (*p && *q && (**p == **q)) { 895 ++p; 896 ++q; 897 } 898 return *q == NULL && *p == NULL; 899 } 900 } 901 902 return FALSE; 903 } 904 905 UnicodeString 906 RuleBasedNumberFormat::getRules() const 907 { 908 UnicodeString result; 909 if (ruleSets != NULL) { 910 for (NFRuleSet** p = ruleSets; *p; ++p) { 911 (*p)->appendRules(result); 912 } 913 } 914 return result; 915 } 916 917 UnicodeString 918 RuleBasedNumberFormat::getRuleSetName(int32_t index) const 919 { 920 if (localizations) { 921 UnicodeString string(TRUE, localizations->getRuleSetName(index), (int32_t)-1); 922 return string; 923 } else if (ruleSets) { 924 UnicodeString result; 925 for (NFRuleSet** p = ruleSets; *p; ++p) { 926 NFRuleSet* rs = *p; 927 if (rs->isPublic()) { 928 if (--index == -1) { 929 rs->getName(result); 930 return result; 931 } 932 } 933 } 934 } 935 UnicodeString empty; 936 return empty; 937 } 938 939 int32_t 940 RuleBasedNumberFormat::getNumberOfRuleSetNames() const 941 { 942 int32_t result = 0; 943 if (localizations) { 944 result = localizations->getNumberOfRuleSets(); 945 } else if (ruleSets) { 946 for (NFRuleSet** p = ruleSets; *p; ++p) { 947 if ((**p).isPublic()) { 948 ++result; 949 } 950 } 951 } 952 return result; 953 } 954 955 int32_t 956 RuleBasedNumberFormat::getNumberOfRuleSetDisplayNameLocales(void) const { 957 if (localizations) { 958 return localizations->getNumberOfDisplayLocales(); 959 } 960 return 0; 961 } 962 963 Locale 964 RuleBasedNumberFormat::getRuleSetDisplayNameLocale(int32_t index, UErrorCode& status) const { 965 if (U_FAILURE(status)) { 966 return Locale(""); 967 } 968 if (localizations && index >= 0 && index < localizations->getNumberOfDisplayLocales()) { 969 UnicodeString name(TRUE, localizations->getLocaleName(index), -1); 970 char buffer[64]; 971 int32_t cap = name.length() + 1; 972 char* bp = buffer; 973 if (cap > 64) { 974 bp = (char *)uprv_malloc(cap); 975 if (bp == NULL) { 976 status = U_MEMORY_ALLOCATION_ERROR; 977 return Locale(""); 978 } 979 } 980 name.extract(0, name.length(), bp, cap, UnicodeString::kInvariant); 981 Locale retLocale(bp); 982 if (bp != buffer) { 983 uprv_free(bp); 984 } 985 return retLocale; 986 } 987 status = U_ILLEGAL_ARGUMENT_ERROR; 988 Locale retLocale; 989 return retLocale; 990 } 991 992 UnicodeString 993 RuleBasedNumberFormat::getRuleSetDisplayName(int32_t index, const Locale& localeParam) { 994 if (localizations && index >= 0 && index < localizations->getNumberOfRuleSets()) { 995 UnicodeString localeName(localeParam.getBaseName(), -1, UnicodeString::kInvariant); 996 int32_t len = localeName.length(); 997 UChar* localeStr = localeName.getBuffer(len + 1); 998 while (len >= 0) { 999 localeStr[len] = 0; 1000 int32_t ix = localizations->indexForLocale(localeStr); 1001 if (ix >= 0) { 1002 UnicodeString name(TRUE, localizations->getDisplayName(ix, index), -1); 1003 return name; 1004 } 1005 1006 // trim trailing portion, skipping over ommitted sections 1007 do { --len;} while (len > 0 && localeStr[len] != 0x005f); // underscore 1008 while (len > 0 && localeStr[len-1] == 0x005F) --len; 1009 } 1010 UnicodeString name(TRUE, localizations->getRuleSetName(index), -1); 1011 return name; 1012 } 1013 UnicodeString bogus; 1014 bogus.setToBogus(); 1015 return bogus; 1016 } 1017 1018 UnicodeString 1019 RuleBasedNumberFormat::getRuleSetDisplayName(const UnicodeString& ruleSetName, const Locale& localeParam) { 1020 if (localizations) { 1021 UnicodeString rsn(ruleSetName); 1022 int32_t ix = localizations->indexForRuleSet(rsn.getTerminatedBuffer()); 1023 return getRuleSetDisplayName(ix, localeParam); 1024 } 1025 UnicodeString bogus; 1026 bogus.setToBogus(); 1027 return bogus; 1028 } 1029 1030 NFRuleSet* 1031 RuleBasedNumberFormat::findRuleSet(const UnicodeString& name, UErrorCode& status) const 1032 { 1033 if (U_SUCCESS(status) && ruleSets) { 1034 for (NFRuleSet** p = ruleSets; *p; ++p) { 1035 NFRuleSet* rs = *p; 1036 if (rs->isNamed(name)) { 1037 return rs; 1038 } 1039 } 1040 status = U_ILLEGAL_ARGUMENT_ERROR; 1041 } 1042 return NULL; 1043 } 1044 1045 UnicodeString& 1046 RuleBasedNumberFormat::format(int32_t number, 1047 UnicodeString& toAppendTo, 1048 FieldPosition& /* pos */) const 1049 { 1050 if (defaultRuleSet) defaultRuleSet->format((int64_t)number, toAppendTo, toAppendTo.length()); 1051 return toAppendTo; 1052 } 1053 1054 1055 UnicodeString& 1056 RuleBasedNumberFormat::format(int64_t number, 1057 UnicodeString& toAppendTo, 1058 FieldPosition& /* pos */) const 1059 { 1060 if (defaultRuleSet) defaultRuleSet->format(number, toAppendTo, toAppendTo.length()); 1061 return toAppendTo; 1062 } 1063 1064 1065 UnicodeString& 1066 RuleBasedNumberFormat::format(double number, 1067 UnicodeString& toAppendTo, 1068 FieldPosition& /* pos */) const 1069 { 1070 if (defaultRuleSet) defaultRuleSet->format(number, toAppendTo, toAppendTo.length()); 1071 return toAppendTo; 1072 } 1073 1074 1075 UnicodeString& 1076 RuleBasedNumberFormat::format(int32_t number, 1077 const UnicodeString& ruleSetName, 1078 UnicodeString& toAppendTo, 1079 FieldPosition& /* pos */, 1080 UErrorCode& status) const 1081 { 1082 // return format((int64_t)number, ruleSetName, toAppendTo, pos, status); 1083 if (U_SUCCESS(status)) { 1084 if (ruleSetName.indexOf(gPercentPercent) == 0) { 1085 // throw new IllegalArgumentException("Can't use internal rule set"); 1086 status = U_ILLEGAL_ARGUMENT_ERROR; 1087 } else { 1088 NFRuleSet *rs = findRuleSet(ruleSetName, status); 1089 if (rs) { 1090 rs->format((int64_t)number, toAppendTo, toAppendTo.length()); 1091 } 1092 } 1093 } 1094 return toAppendTo; 1095 } 1096 1097 1098 UnicodeString& 1099 RuleBasedNumberFormat::format(int64_t number, 1100 const UnicodeString& ruleSetName, 1101 UnicodeString& toAppendTo, 1102 FieldPosition& /* pos */, 1103 UErrorCode& status) const 1104 { 1105 if (U_SUCCESS(status)) { 1106 if (ruleSetName.indexOf(gPercentPercent) == 0) { 1107 // throw new IllegalArgumentException("Can't use internal rule set"); 1108 status = U_ILLEGAL_ARGUMENT_ERROR; 1109 } else { 1110 NFRuleSet *rs = findRuleSet(ruleSetName, status); 1111 if (rs) { 1112 rs->format(number, toAppendTo, toAppendTo.length()); 1113 } 1114 } 1115 } 1116 return toAppendTo; 1117 } 1118 1119 1120 // make linker happy 1121 UnicodeString& 1122 RuleBasedNumberFormat::format(const Formattable& obj, 1123 UnicodeString& toAppendTo, 1124 FieldPosition& pos, 1125 UErrorCode& status) const 1126 { 1127 return NumberFormat::format(obj, toAppendTo, pos, status); 1128 } 1129 1130 UnicodeString& 1131 RuleBasedNumberFormat::format(double number, 1132 const UnicodeString& ruleSetName, 1133 UnicodeString& toAppendTo, 1134 FieldPosition& /* pos */, 1135 UErrorCode& status) const 1136 { 1137 if (U_SUCCESS(status)) { 1138 if (ruleSetName.indexOf(gPercentPercent) == 0) { 1139 // throw new IllegalArgumentException("Can't use internal rule set"); 1140 status = U_ILLEGAL_ARGUMENT_ERROR; 1141 } else { 1142 NFRuleSet *rs = findRuleSet(ruleSetName, status); 1143 if (rs) { 1144 rs->format(number, toAppendTo, toAppendTo.length()); 1145 } 1146 } 1147 } 1148 return toAppendTo; 1149 } 1150 1151 void 1152 RuleBasedNumberFormat::parse(const UnicodeString& text, 1153 Formattable& result, 1154 ParsePosition& parsePosition) const 1155 { 1156 //TODO: We need a real fix. See #6895 / #6896 1157 if (noParse) { 1158 // skip parsing 1159 parsePosition.setErrorIndex(0); 1160 return; 1161 } 1162 1163 if (!ruleSets) { 1164 parsePosition.setErrorIndex(0); 1165 return; 1166 } 1167 1168 UnicodeString workingText(text, parsePosition.getIndex()); 1169 ParsePosition workingPos(0); 1170 1171 ParsePosition high_pp(0); 1172 Formattable high_result; 1173 1174 for (NFRuleSet** p = ruleSets; *p; ++p) { 1175 NFRuleSet *rp = *p; 1176 if (rp->isPublic() && rp->isParseable()) { 1177 ParsePosition working_pp(0); 1178 Formattable working_result; 1179 1180 rp->parse(workingText, working_pp, kMaxDouble, working_result); 1181 if (working_pp.getIndex() > high_pp.getIndex()) { 1182 high_pp = working_pp; 1183 high_result = working_result; 1184 1185 if (high_pp.getIndex() == workingText.length()) { 1186 break; 1187 } 1188 } 1189 } 1190 } 1191 1192 int32_t startIndex = parsePosition.getIndex(); 1193 parsePosition.setIndex(startIndex + high_pp.getIndex()); 1194 if (high_pp.getIndex() > 0) { 1195 parsePosition.setErrorIndex(-1); 1196 } else { 1197 int32_t errorIndex = (high_pp.getErrorIndex()>0)? high_pp.getErrorIndex(): 0; 1198 parsePosition.setErrorIndex(startIndex + errorIndex); 1199 } 1200 result = high_result; 1201 if (result.getType() == Formattable::kDouble) { 1202 int32_t r = (int32_t)result.getDouble(); 1203 if ((double)r == result.getDouble()) { 1204 result.setLong(r); 1205 } 1206 } 1207 } 1208 1209 #if !UCONFIG_NO_COLLATION 1210 1211 void 1212 RuleBasedNumberFormat::setLenient(UBool enabled) 1213 { 1214 lenient = enabled; 1215 if (!enabled && collator) { 1216 delete collator; 1217 collator = NULL; 1218 } 1219 } 1220 1221 #endif 1222 1223 void 1224 RuleBasedNumberFormat::setDefaultRuleSet(const UnicodeString& ruleSetName, UErrorCode& status) { 1225 if (U_SUCCESS(status)) { 1226 if (ruleSetName.isEmpty()) { 1227 if (localizations) { 1228 UnicodeString name(TRUE, localizations->getRuleSetName(0), -1); 1229 defaultRuleSet = findRuleSet(name, status); 1230 } else { 1231 initDefaultRuleSet(); 1232 } 1233 } else if (ruleSetName.startsWith(UNICODE_STRING_SIMPLE("%%"))) { 1234 status = U_ILLEGAL_ARGUMENT_ERROR; 1235 } else { 1236 NFRuleSet* result = findRuleSet(ruleSetName, status); 1237 if (result != NULL) { 1238 defaultRuleSet = result; 1239 } 1240 } 1241 } 1242 } 1243 1244 UnicodeString 1245 RuleBasedNumberFormat::getDefaultRuleSetName() const { 1246 UnicodeString result; 1247 if (defaultRuleSet && defaultRuleSet->isPublic()) { 1248 defaultRuleSet->getName(result); 1249 } else { 1250 result.setToBogus(); 1251 } 1252 return result; 1253 } 1254 1255 void 1256 RuleBasedNumberFormat::initDefaultRuleSet() 1257 { 1258 defaultRuleSet = NULL; 1259 if (!ruleSets) { 1260 return; 1261 } 1262 1263 const UnicodeString spellout = UNICODE_STRING_SIMPLE("%spellout-numbering"); 1264 const UnicodeString ordinal = UNICODE_STRING_SIMPLE("%digits-ordinal"); 1265 const UnicodeString duration = UNICODE_STRING_SIMPLE("%duration"); 1266 1267 NFRuleSet**p = &ruleSets[0]; 1268 while (*p) { 1269 if ((*p)->isNamed(spellout) || (*p)->isNamed(ordinal) || (*p)->isNamed(duration)) { 1270 defaultRuleSet = *p; 1271 return; 1272 } else { 1273 ++p; 1274 } 1275 } 1276 1277 defaultRuleSet = *--p; 1278 if (!defaultRuleSet->isPublic()) { 1279 while (p != ruleSets) { 1280 if ((*--p)->isPublic()) { 1281 defaultRuleSet = *p; 1282 break; 1283 } 1284 } 1285 } 1286 } 1287 1288 1289 void 1290 RuleBasedNumberFormat::init(const UnicodeString& rules, LocalizationInfo* localizationInfos, 1291 UParseError& pErr, UErrorCode& status) 1292 { 1293 // TODO: implement UParseError 1294 uprv_memset(&pErr, 0, sizeof(UParseError)); 1295 // Note: this can leave ruleSets == NULL, so remaining code should check 1296 if (U_FAILURE(status)) { 1297 return; 1298 } 1299 1300 this->localizations = localizationInfos == NULL ? NULL : localizationInfos->ref(); 1301 1302 UnicodeString description(rules); 1303 if (!description.length()) { 1304 status = U_MEMORY_ALLOCATION_ERROR; 1305 return; 1306 } 1307 1308 // start by stripping the trailing whitespace from all the rules 1309 // (this is all the whitespace follwing each semicolon in the 1310 // description). This allows us to look for rule-set boundaries 1311 // by searching for ";%" without having to worry about whitespace 1312 // between the ; and the % 1313 stripWhitespace(description); 1314 1315 // check to see if there's a set of lenient-parse rules. If there 1316 // is, pull them out into our temporary holding place for them, 1317 // and delete them from the description before the real desciption- 1318 // parsing code sees them 1319 int32_t lp = description.indexOf(gLenientParse); 1320 if (lp != -1) { 1321 // we've got to make sure we're not in the middle of a rule 1322 // (where "%%lenient-parse" would actually get treated as 1323 // rule text) 1324 if (lp == 0 || description.charAt(lp - 1) == gSemiColon) { 1325 // locate the beginning and end of the actual collation 1326 // rules (there may be whitespace between the name and 1327 // the first token in the description) 1328 int lpEnd = description.indexOf(gSemiPercent, lp); 1329 1330 if (lpEnd == -1) { 1331 lpEnd = description.length() - 1; 1332 } 1333 int lpStart = lp + u_strlen(gLenientParse); 1334 while (uprv_isRuleWhiteSpace(description.charAt(lpStart))) { 1335 ++lpStart; 1336 } 1337 1338 // copy out the lenient-parse rules and delete them 1339 // from the description 1340 lenientParseRules = new UnicodeString(); 1341 /* test for NULL */ 1342 if (lenientParseRules == 0) { 1343 status = U_MEMORY_ALLOCATION_ERROR; 1344 return; 1345 } 1346 lenientParseRules->setTo(description, lpStart, lpEnd - lpStart); 1347 1348 description.remove(lp, lpEnd + 1 - lp); 1349 } 1350 } 1351 1352 // pre-flight parsing the description and count the number of 1353 // rule sets (";%" marks the end of one rule set and the beginning 1354 // of the next) 1355 int numRuleSets = 0; 1356 for (int32_t p = description.indexOf(gSemiPercent); p != -1; p = description.indexOf(gSemiPercent, p)) { 1357 ++numRuleSets; 1358 ++p; 1359 } 1360 ++numRuleSets; 1361 1362 // our rule list is an array of the appropriate size 1363 ruleSets = (NFRuleSet **)uprv_malloc((numRuleSets + 1) * sizeof(NFRuleSet *)); 1364 /* test for NULL */ 1365 if (ruleSets == 0) { 1366 status = U_MEMORY_ALLOCATION_ERROR; 1367 return; 1368 } 1369 1370 for (int i = 0; i <= numRuleSets; ++i) { 1371 ruleSets[i] = NULL; 1372 } 1373 1374 // divide up the descriptions into individual rule-set descriptions 1375 // and store them in a temporary array. At each step, we also 1376 // new up a rule set, but all this does is initialize its name 1377 // and remove it from its description. We can't actually parse 1378 // the rest of the descriptions and finish initializing everything 1379 // because we have to know the names and locations of all the rule 1380 // sets before we can actually set everything up 1381 if(!numRuleSets) { 1382 status = U_ILLEGAL_ARGUMENT_ERROR; 1383 return; 1384 } 1385 UnicodeString* ruleSetDescriptions = new UnicodeString[numRuleSets]; 1386 if (ruleSetDescriptions == 0) { 1387 status = U_MEMORY_ALLOCATION_ERROR; 1388 return; 1389 } 1390 1391 { 1392 int curRuleSet = 0; 1393 int32_t start = 0; 1394 for (int32_t p = description.indexOf(gSemiPercent); p != -1; p = description.indexOf(gSemiPercent, start)) { 1395 ruleSetDescriptions[curRuleSet].setTo(description, start, p + 1 - start); 1396 ruleSets[curRuleSet] = new NFRuleSet(ruleSetDescriptions, curRuleSet, status); 1397 if (ruleSets[curRuleSet] == 0) { 1398 status = U_MEMORY_ALLOCATION_ERROR; 1399 goto cleanup; 1400 } 1401 ++curRuleSet; 1402 start = p + 1; 1403 } 1404 ruleSetDescriptions[curRuleSet].setTo(description, start, description.length() - start); 1405 ruleSets[curRuleSet] = new NFRuleSet(ruleSetDescriptions, curRuleSet, status); 1406 if (ruleSets[curRuleSet] == 0) { 1407 status = U_MEMORY_ALLOCATION_ERROR; 1408 goto cleanup; 1409 } 1410 } 1411 1412 // now we can take note of the formatter's default rule set, which 1413 // is the last public rule set in the description (it's the last 1414 // rather than the first so that a user can create a new formatter 1415 // from an existing formatter and change its default behavior just 1416 // by appending more rule sets to the end) 1417 1418 // {dlf} Initialization of a fraction rule set requires the default rule 1419 // set to be known. For purposes of initialization, this is always the 1420 // last public rule set, no matter what the localization data says. 1421 initDefaultRuleSet(); 1422 1423 // finally, we can go back through the temporary descriptions 1424 // list and finish seting up the substructure (and we throw 1425 // away the temporary descriptions as we go) 1426 { 1427 for (int i = 0; i < numRuleSets; i++) { 1428 ruleSets[i]->parseRules(ruleSetDescriptions[i], this, status); 1429 } 1430 } 1431 1432 // Now that the rules are initialized, the 'real' default rule 1433 // set can be adjusted by the localization data. 1434 1435 // The C code keeps the localization array as is, rather than building 1436 // a separate array of the public rule set names, so we have less work 1437 // to do here-- but we still need to check the names. 1438 1439 if (localizationInfos) { 1440 // confirm the names, if any aren't in the rules, that's an error 1441 // it is ok if the rules contain public rule sets that are not in this list 1442 for (int32_t i = 0; i < localizationInfos->getNumberOfRuleSets(); ++i) { 1443 UnicodeString name(TRUE, localizationInfos->getRuleSetName(i), -1); 1444 NFRuleSet* rs = findRuleSet(name, status); 1445 if (rs == NULL) { 1446 break; // error 1447 } 1448 if (i == 0) { 1449 defaultRuleSet = rs; 1450 } 1451 } 1452 } else { 1453 defaultRuleSet = getDefaultRuleSet(); 1454 } 1455 1456 cleanup: 1457 delete[] ruleSetDescriptions; 1458 } 1459 1460 void 1461 RuleBasedNumberFormat::stripWhitespace(UnicodeString& description) 1462 { 1463 // iterate through the characters... 1464 UnicodeString result; 1465 1466 int start = 0; 1467 while (start != -1 && start < description.length()) { 1468 // seek to the first non-whitespace character... 1469 while (start < description.length() 1470 && uprv_isRuleWhiteSpace(description.charAt(start))) { 1471 ++start; 1472 } 1473 1474 // locate the next semicolon in the text and copy the text from 1475 // our current position up to that semicolon into the result 1476 int32_t p = description.indexOf(gSemiColon, start); 1477 if (p == -1) { 1478 // or if we don't find a semicolon, just copy the rest of 1479 // the string into the result 1480 result.append(description, start, description.length() - start); 1481 start = -1; 1482 } 1483 else if (p < description.length()) { 1484 result.append(description, start, p + 1 - start); 1485 start = p + 1; 1486 } 1487 1488 // when we get here, we've seeked off the end of the sring, and 1489 // we terminate the loop (we continue until *start* is -1 rather 1490 // than until *p* is -1, because otherwise we'd miss the last 1491 // rule in the description) 1492 else { 1493 start = -1; 1494 } 1495 } 1496 1497 description.setTo(result); 1498 } 1499 1500 1501 void 1502 RuleBasedNumberFormat::dispose() 1503 { 1504 if (ruleSets) { 1505 for (NFRuleSet** p = ruleSets; *p; ++p) { 1506 delete *p; 1507 } 1508 uprv_free(ruleSets); 1509 ruleSets = NULL; 1510 } 1511 1512 #if !UCONFIG_NO_COLLATION 1513 delete collator; 1514 #endif 1515 collator = NULL; 1516 1517 delete decimalFormatSymbols; 1518 decimalFormatSymbols = NULL; 1519 1520 delete lenientParseRules; 1521 lenientParseRules = NULL; 1522 1523 if (localizations) localizations = localizations->unref(); 1524 } 1525 1526 1527 //----------------------------------------------------------------------- 1528 // package-internal API 1529 //----------------------------------------------------------------------- 1530 1531 /** 1532 * Returns the collator to use for lenient parsing. The collator is lazily created: 1533 * this function creates it the first time it's called. 1534 * @return The collator to use for lenient parsing, or null if lenient parsing 1535 * is turned off. 1536 */ 1537 Collator* 1538 RuleBasedNumberFormat::getCollator() const 1539 { 1540 #if !UCONFIG_NO_COLLATION 1541 if (!ruleSets) { 1542 return NULL; 1543 } 1544 1545 // lazy-evaulate the collator 1546 if (collator == NULL && lenient) { 1547 // create a default collator based on the formatter's locale, 1548 // then pull out that collator's rules, append any additional 1549 // rules specified in the description, and create a _new_ 1550 // collator based on the combinaiton of those rules 1551 1552 UErrorCode status = U_ZERO_ERROR; 1553 1554 Collator* temp = Collator::createInstance(locale, status); 1555 RuleBasedCollator* newCollator; 1556 if (U_SUCCESS(status) && (newCollator = dynamic_cast<RuleBasedCollator*>(temp)) != NULL) { 1557 if (lenientParseRules) { 1558 UnicodeString rules(newCollator->getRules()); 1559 rules.append(*lenientParseRules); 1560 1561 newCollator = new RuleBasedCollator(rules, status); 1562 // Exit if newCollator could not be created. 1563 if (newCollator == NULL) { 1564 return NULL; 1565 } 1566 } else { 1567 temp = NULL; 1568 } 1569 if (U_SUCCESS(status)) { 1570 newCollator->setAttribute(UCOL_DECOMPOSITION_MODE, UCOL_ON, status); 1571 // cast away const 1572 ((RuleBasedNumberFormat*)this)->collator = newCollator; 1573 } else { 1574 delete newCollator; 1575 } 1576 } 1577 delete temp; 1578 } 1579 #endif 1580 1581 // if lenient-parse mode is off, this will be null 1582 // (see setLenientParseMode()) 1583 return collator; 1584 } 1585 1586 1587 /** 1588 * Returns the DecimalFormatSymbols object that should be used by all DecimalFormat 1589 * instances owned by this formatter. This object is lazily created: this function 1590 * creates it the first time it's called. 1591 * @return The DecimalFormatSymbols object that should be used by all DecimalFormat 1592 * instances owned by this formatter. 1593 */ 1594 DecimalFormatSymbols* 1595 RuleBasedNumberFormat::getDecimalFormatSymbols() const 1596 { 1597 // lazy-evaluate the DecimalFormatSymbols object. This object 1598 // is shared by all DecimalFormat instances belonging to this 1599 // formatter 1600 if (decimalFormatSymbols == NULL) { 1601 UErrorCode status = U_ZERO_ERROR; 1602 DecimalFormatSymbols* temp = new DecimalFormatSymbols(locale, status); 1603 if (U_SUCCESS(status)) { 1604 ((RuleBasedNumberFormat*)this)->decimalFormatSymbols = temp; 1605 } else { 1606 delete temp; 1607 } 1608 } 1609 return decimalFormatSymbols; 1610 } 1611 1612 U_NAMESPACE_END 1613 1614 /* U_HAVE_RBNF */ 1615 #endif 1616
