1 /* 2 ******************************************************************************* 3 * Copyright (C) 2010-2013, International Business Machines Corporation and 4 * others. All Rights Reserved. 5 ******************************************************************************* 6 */ 7 8 #include "unicode/utypes.h" 9 10 #if !UCONFIG_NO_FORMATTING 11 12 #include "unicode/locdspnm.h" 13 #include "unicode/msgfmt.h" 14 #include "unicode/ures.h" 15 #include "unicode/brkiter.h" 16 17 #include "cmemory.h" 18 #include "cstring.h" 19 #include "ulocimp.h" 20 #include "ureslocs.h" 21 #include "uresimp.h" 22 23 #include <stdarg.h> 24 25 /** 26 * Concatenate a number of null-terminated strings to buffer, leaving a 27 * null-terminated string. The last argument should be the null pointer. 28 * Return the length of the string in the buffer, not counting the trailing 29 * null. Return -1 if there is an error (buffer is null, or buflen < 1). 30 */ 31 static int32_t ncat(char *buffer, uint32_t buflen, ...) { 32 va_list args; 33 char *str; 34 char *p = buffer; 35 const char* e = buffer + buflen - 1; 36 37 if (buffer == NULL || buflen < 1) { 38 return -1; 39 } 40 41 va_start(args, buflen); 42 while ((str = va_arg(args, char *))) { 43 char c; 44 while (p != e && (c = *str++)) { 45 *p++ = c; 46 } 47 } 48 *p = 0; 49 va_end(args); 50 51 return p - buffer; 52 } 53 54 U_NAMESPACE_BEGIN 55 56 //////////////////////////////////////////////////////////////////////////////////////////////////// 57 58 // Access resource data for locale components. 59 // Wrap code in uloc.c for now. 60 class ICUDataTable { 61 const char* path; 62 Locale locale; 63 64 public: 65 ICUDataTable(const char* path, const Locale& locale); 66 ~ICUDataTable(); 67 68 const Locale& getLocale(); 69 70 UnicodeString& get(const char* tableKey, const char* itemKey, 71 UnicodeString& result) const; 72 UnicodeString& get(const char* tableKey, const char* subTableKey, const char* itemKey, 73 UnicodeString& result) const; 74 75 UnicodeString& getNoFallback(const char* tableKey, const char* itemKey, 76 UnicodeString &result) const; 77 UnicodeString& getNoFallback(const char* tableKey, const char* subTableKey, const char* itemKey, 78 UnicodeString &result) const; 79 }; 80 81 inline UnicodeString & 82 ICUDataTable::get(const char* tableKey, const char* itemKey, UnicodeString& result) const { 83 return get(tableKey, NULL, itemKey, result); 84 } 85 86 inline UnicodeString & 87 ICUDataTable::getNoFallback(const char* tableKey, const char* itemKey, UnicodeString& result) const { 88 return getNoFallback(tableKey, NULL, itemKey, result); 89 } 90 91 ICUDataTable::ICUDataTable(const char* path, const Locale& locale) 92 : path(NULL), locale(Locale::getRoot()) 93 { 94 if (path) { 95 int32_t len = uprv_strlen(path); 96 this->path = (const char*) uprv_malloc(len + 1); 97 if (this->path) { 98 uprv_strcpy((char *)this->path, path); 99 this->locale = locale; 100 } 101 } 102 } 103 104 ICUDataTable::~ICUDataTable() { 105 if (path) { 106 uprv_free((void*) path); 107 path = NULL; 108 } 109 } 110 111 const Locale& 112 ICUDataTable::getLocale() { 113 return locale; 114 } 115 116 UnicodeString & 117 ICUDataTable::get(const char* tableKey, const char* subTableKey, const char* itemKey, 118 UnicodeString &result) const { 119 UErrorCode status = U_ZERO_ERROR; 120 int32_t len = 0; 121 122 const UChar *s = uloc_getTableStringWithFallback(path, locale.getName(), 123 tableKey, subTableKey, itemKey, 124 &len, &status); 125 if (U_SUCCESS(status) && len > 0) { 126 return result.setTo(s, len); 127 } 128 return result.setTo(UnicodeString(itemKey, -1, US_INV)); 129 } 130 131 UnicodeString & 132 ICUDataTable::getNoFallback(const char* tableKey, const char* subTableKey, const char* itemKey, 133 UnicodeString& result) const { 134 UErrorCode status = U_ZERO_ERROR; 135 int32_t len = 0; 136 137 const UChar *s = uloc_getTableStringWithFallback(path, locale.getName(), 138 tableKey, subTableKey, itemKey, 139 &len, &status); 140 if (U_SUCCESS(status)) { 141 return result.setTo(s, len); 142 } 143 144 result.setToBogus(); 145 return result; 146 } 147 148 //////////////////////////////////////////////////////////////////////////////////////////////////// 149 150 LocaleDisplayNames::~LocaleDisplayNames() {} 151 152 //////////////////////////////////////////////////////////////////////////////////////////////////// 153 154 #if 0 // currently unused 155 156 class DefaultLocaleDisplayNames : public LocaleDisplayNames { 157 UDialectHandling dialectHandling; 158 159 public: 160 // constructor 161 DefaultLocaleDisplayNames(UDialectHandling dialectHandling); 162 163 virtual ~DefaultLocaleDisplayNames(); 164 165 virtual const Locale& getLocale() const; 166 virtual UDialectHandling getDialectHandling() const; 167 168 virtual UnicodeString& localeDisplayName(const Locale& locale, 169 UnicodeString& result) const; 170 virtual UnicodeString& localeDisplayName(const char* localeId, 171 UnicodeString& result) const; 172 virtual UnicodeString& languageDisplayName(const char* lang, 173 UnicodeString& result) const; 174 virtual UnicodeString& scriptDisplayName(const char* script, 175 UnicodeString& result) const; 176 virtual UnicodeString& scriptDisplayName(UScriptCode scriptCode, 177 UnicodeString& result) const; 178 virtual UnicodeString& regionDisplayName(const char* region, 179 UnicodeString& result) const; 180 virtual UnicodeString& variantDisplayName(const char* variant, 181 UnicodeString& result) const; 182 virtual UnicodeString& keyDisplayName(const char* key, 183 UnicodeString& result) const; 184 virtual UnicodeString& keyValueDisplayName(const char* key, 185 const char* value, 186 UnicodeString& result) const; 187 }; 188 189 DefaultLocaleDisplayNames::DefaultLocaleDisplayNames(UDialectHandling dialectHandling) 190 : dialectHandling(dialectHandling) { 191 } 192 193 DefaultLocaleDisplayNames::~DefaultLocaleDisplayNames() { 194 } 195 196 const Locale& 197 DefaultLocaleDisplayNames::getLocale() const { 198 return Locale::getRoot(); 199 } 200 201 UDialectHandling 202 DefaultLocaleDisplayNames::getDialectHandling() const { 203 return dialectHandling; 204 } 205 206 UnicodeString& 207 DefaultLocaleDisplayNames::localeDisplayName(const Locale& locale, 208 UnicodeString& result) const { 209 return result = UnicodeString(locale.getName(), -1, US_INV); 210 } 211 212 UnicodeString& 213 DefaultLocaleDisplayNames::localeDisplayName(const char* localeId, 214 UnicodeString& result) const { 215 return result = UnicodeString(localeId, -1, US_INV); 216 } 217 218 UnicodeString& 219 DefaultLocaleDisplayNames::languageDisplayName(const char* lang, 220 UnicodeString& result) const { 221 return result = UnicodeString(lang, -1, US_INV); 222 } 223 224 UnicodeString& 225 DefaultLocaleDisplayNames::scriptDisplayName(const char* script, 226 UnicodeString& result) const { 227 return result = UnicodeString(script, -1, US_INV); 228 } 229 230 UnicodeString& 231 DefaultLocaleDisplayNames::scriptDisplayName(UScriptCode scriptCode, 232 UnicodeString& result) const { 233 const char* name = uscript_getName(scriptCode); 234 if (name) { 235 return result = UnicodeString(name, -1, US_INV); 236 } 237 return result.remove(); 238 } 239 240 UnicodeString& 241 DefaultLocaleDisplayNames::regionDisplayName(const char* region, 242 UnicodeString& result) const { 243 return result = UnicodeString(region, -1, US_INV); 244 } 245 246 UnicodeString& 247 DefaultLocaleDisplayNames::variantDisplayName(const char* variant, 248 UnicodeString& result) const { 249 return result = UnicodeString(variant, -1, US_INV); 250 } 251 252 UnicodeString& 253 DefaultLocaleDisplayNames::keyDisplayName(const char* key, 254 UnicodeString& result) const { 255 return result = UnicodeString(key, -1, US_INV); 256 } 257 258 UnicodeString& 259 DefaultLocaleDisplayNames::keyValueDisplayName(const char* /* key */, 260 const char* value, 261 UnicodeString& result) const { 262 return result = UnicodeString(value, -1, US_INV); 263 } 264 265 #endif // currently unused class DefaultLocaleDisplayNames 266 267 //////////////////////////////////////////////////////////////////////////////////////////////////// 268 269 class LocaleDisplayNamesImpl : public LocaleDisplayNames { 270 Locale locale; 271 UDialectHandling dialectHandling; 272 ICUDataTable langData; 273 ICUDataTable regionData; 274 MessageFormat *separatorFormat; 275 MessageFormat *format; 276 MessageFormat *keyTypeFormat; 277 UDisplayContext capitalizationContext; 278 UnicodeString formatOpenParen; 279 UnicodeString formatReplaceOpenParen; 280 UnicodeString formatCloseParen; 281 UnicodeString formatReplaceCloseParen; 282 283 // Constants for capitalization context usage types. 284 enum CapContextUsage { 285 kCapContextUsageLanguage, 286 kCapContextUsageScript, 287 kCapContextUsageTerritory, 288 kCapContextUsageVariant, 289 kCapContextUsageKey, 290 kCapContextUsageType, 291 kCapContextUsageCount 292 }; 293 // Capitalization transforms. For each usage type, the first array element indicates 294 // whether to titlecase for uiListOrMenu context, the second indicates whether to 295 // titlecase for stand-alone context. 296 UBool fCapitalization[kCapContextUsageCount][2]; 297 298 public: 299 // constructor 300 LocaleDisplayNamesImpl(const Locale& locale, UDialectHandling dialectHandling); 301 LocaleDisplayNamesImpl(const Locale& locale, UDisplayContext *contexts, int32_t length); 302 virtual ~LocaleDisplayNamesImpl(); 303 304 virtual const Locale& getLocale() const; 305 virtual UDialectHandling getDialectHandling() const; 306 virtual UDisplayContext getContext(UDisplayContextType type) const; 307 308 virtual UnicodeString& localeDisplayName(const Locale& locale, 309 UnicodeString& result) const; 310 virtual UnicodeString& localeDisplayName(const char* localeId, 311 UnicodeString& result) const; 312 virtual UnicodeString& languageDisplayName(const char* lang, 313 UnicodeString& result) const; 314 virtual UnicodeString& scriptDisplayName(const char* script, 315 UnicodeString& result) const; 316 virtual UnicodeString& scriptDisplayName(UScriptCode scriptCode, 317 UnicodeString& result) const; 318 virtual UnicodeString& regionDisplayName(const char* region, 319 UnicodeString& result) const; 320 virtual UnicodeString& variantDisplayName(const char* variant, 321 UnicodeString& result) const; 322 virtual UnicodeString& keyDisplayName(const char* key, 323 UnicodeString& result) const; 324 virtual UnicodeString& keyValueDisplayName(const char* key, 325 const char* value, 326 UnicodeString& result) const; 327 private: 328 UnicodeString& localeIdName(const char* localeId, 329 UnicodeString& result) const; 330 UnicodeString& appendWithSep(UnicodeString& buffer, const UnicodeString& src) const; 331 UnicodeString& adjustForUsageAndContext(CapContextUsage usage, UnicodeString& result) const; 332 void initialize(void); 333 }; 334 335 LocaleDisplayNamesImpl::LocaleDisplayNamesImpl(const Locale& locale, 336 UDialectHandling dialectHandling) 337 : dialectHandling(dialectHandling) 338 , langData(U_ICUDATA_LANG, locale) 339 , regionData(U_ICUDATA_REGION, locale) 340 , separatorFormat(NULL) 341 , format(NULL) 342 , keyTypeFormat(NULL) 343 , capitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 344 { 345 initialize(); 346 } 347 348 LocaleDisplayNamesImpl::LocaleDisplayNamesImpl(const Locale& locale, 349 UDisplayContext *contexts, int32_t length) 350 : dialectHandling(ULDN_STANDARD_NAMES) 351 , langData(U_ICUDATA_LANG, locale) 352 , regionData(U_ICUDATA_REGION, locale) 353 , separatorFormat(NULL) 354 , format(NULL) 355 , keyTypeFormat(NULL) 356 , capitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 357 { 358 while (length-- > 0) { 359 UDisplayContext value = *contexts++; 360 UDisplayContextType selector = (UDisplayContextType)((uint32_t)value >> 8); 361 switch (selector) { 362 case UDISPCTX_TYPE_DIALECT_HANDLING: 363 dialectHandling = (UDialectHandling)value; 364 break; 365 case UDISPCTX_TYPE_CAPITALIZATION: 366 capitalizationContext = value; 367 break; 368 default: 369 break; 370 } 371 } 372 initialize(); 373 } 374 375 void 376 LocaleDisplayNamesImpl::initialize(void) { 377 LocaleDisplayNamesImpl *nonConstThis = (LocaleDisplayNamesImpl *)this; 378 nonConstThis->locale = langData.getLocale() == Locale::getRoot() 379 ? regionData.getLocale() 380 : langData.getLocale(); 381 382 UnicodeString sep; 383 langData.getNoFallback("localeDisplayPattern", "separator", sep); 384 if (sep.isBogus()) { 385 sep = UnicodeString("{0}, {1}", -1, US_INV); 386 } 387 UErrorCode status = U_ZERO_ERROR; 388 separatorFormat = new MessageFormat(sep, status); 389 390 UnicodeString pattern; 391 langData.getNoFallback("localeDisplayPattern", "pattern", pattern); 392 if (pattern.isBogus()) { 393 pattern = UnicodeString("{0} ({1})", -1, US_INV); 394 } 395 format = new MessageFormat(pattern, status); 396 if (pattern.indexOf((UChar)0xFF08) >= 0) { 397 formatOpenParen.setTo((UChar)0xFF08); // fullwidth ( 398 formatReplaceOpenParen.setTo((UChar)0xFF3B); // fullwidth [ 399 formatCloseParen.setTo((UChar)0xFF09); // fullwidth ) 400 formatReplaceCloseParen.setTo((UChar)0xFF3D); // fullwidth ] 401 } else { 402 formatOpenParen.setTo((UChar)0x0028); // ( 403 formatReplaceOpenParen.setTo((UChar)0x005B); // [ 404 formatCloseParen.setTo((UChar)0x0029); // ) 405 formatReplaceCloseParen.setTo((UChar)0x005D); // ] 406 } 407 408 UnicodeString ktPattern; 409 langData.get("localeDisplayPattern", "keyTypePattern", ktPattern); 410 if (ktPattern.isBogus()) { 411 ktPattern = UnicodeString("{0}={1}", -1, US_INV); 412 } 413 keyTypeFormat = new MessageFormat(ktPattern, status); 414 415 uprv_memset(fCapitalization, 0, sizeof(fCapitalization)); 416 #if !UCONFIG_NO_BREAK_ITERATION 417 // The following is basically copied from DateFormatSymbols::initializeData 418 typedef struct { 419 const char * usageName; 420 LocaleDisplayNamesImpl::CapContextUsage usageEnum; 421 } ContextUsageNameToEnum; 422 const ContextUsageNameToEnum contextUsageTypeMap[] = { 423 // Entries must be sorted by usageTypeName; entry with NULL name terminates list. 424 { "key", kCapContextUsageKey }, 425 { "languages", kCapContextUsageLanguage }, 426 { "script", kCapContextUsageScript }, 427 { "territory", kCapContextUsageTerritory }, 428 { "type", kCapContextUsageType }, 429 { "variant", kCapContextUsageVariant }, 430 { NULL, (CapContextUsage)0 }, 431 }; 432 int32_t len = 0; 433 UResourceBundle *localeBundle = ures_open(NULL, locale.getName(), &status); 434 if (U_SUCCESS(status)) { 435 UResourceBundle *contextTransforms = ures_getByKeyWithFallback(localeBundle, "contextTransforms", NULL, &status); 436 if (U_SUCCESS(status)) { 437 UResourceBundle *contextTransformUsage; 438 while ( (contextTransformUsage = ures_getNextResource(contextTransforms, NULL, &status)) != NULL ) { 439 const int32_t * intVector = ures_getIntVector(contextTransformUsage, &len, &status); 440 if (U_SUCCESS(status) && intVector != NULL && len >= 2) { 441 const char* usageKey = ures_getKey(contextTransformUsage); 442 if (usageKey != NULL) { 443 const ContextUsageNameToEnum * typeMapPtr = contextUsageTypeMap; 444 int32_t compResult = 0; 445 // linear search; list is short and we cannot be sure that bsearch is available 446 while ( typeMapPtr->usageName != NULL && (compResult = uprv_strcmp(usageKey, typeMapPtr->usageName)) > 0 ) { 447 ++typeMapPtr; 448 } 449 if (typeMapPtr->usageName != NULL && compResult == 0) { 450 fCapitalization[typeMapPtr->usageEnum][0] = intVector[0]; 451 fCapitalization[typeMapPtr->usageEnum][1] = intVector[1]; 452 } 453 } 454 } 455 status = U_ZERO_ERROR; 456 ures_close(contextTransformUsage); 457 } 458 ures_close(contextTransforms); 459 } 460 ures_close(localeBundle); 461 } 462 #endif 463 } 464 465 LocaleDisplayNamesImpl::~LocaleDisplayNamesImpl() { 466 delete separatorFormat; 467 delete format; 468 delete keyTypeFormat; 469 } 470 471 const Locale& 472 LocaleDisplayNamesImpl::getLocale() const { 473 return locale; 474 } 475 476 UDialectHandling 477 LocaleDisplayNamesImpl::getDialectHandling() const { 478 return dialectHandling; 479 } 480 481 UDisplayContext 482 LocaleDisplayNamesImpl::getContext(UDisplayContextType type) const { 483 switch (type) { 484 case UDISPCTX_TYPE_DIALECT_HANDLING: 485 return (UDisplayContext)dialectHandling; 486 case UDISPCTX_TYPE_CAPITALIZATION: 487 return capitalizationContext; 488 default: 489 break; 490 } 491 return (UDisplayContext)0; 492 } 493 494 UnicodeString& 495 LocaleDisplayNamesImpl::adjustForUsageAndContext(CapContextUsage usage, 496 UnicodeString& result) const { 497 #if !UCONFIG_NO_BREAK_ITERATION 498 // check to see whether we need to titlecase result 499 UBool titlecase = FALSE; 500 switch (capitalizationContext) { 501 case UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE: 502 titlecase = TRUE; 503 break; 504 case UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU: 505 titlecase = fCapitalization[usage][0]; 506 break; 507 case UDISPCTX_CAPITALIZATION_FOR_STANDALONE: 508 titlecase = fCapitalization[usage][1]; 509 break; 510 default: 511 // titlecase = FALSE; 512 break; 513 } 514 if (titlecase) { 515 // TODO: Fix this titlecase hack when we figure out something better to do. 516 // We don't want to titlecase the whole text, only something like the first word, 517 // of the first segment long enough to have a complete cluster, whichever is 518 // shorter. We could have keep a word break iterator around, but I am not sure 519 // that will do the ight thing for the purposes here. For now we assume that in 520 // languages for which titlecasing makes a difference, we can stop at non-letter 521 // characters in 0x0000-0x00FF and only titlecase up to the first occurrence of 522 // any of those, or to a small number of chars, whichever comes first. 523 int32_t stopPos, stopPosLimit = 8, len = result.length(); 524 if ( stopPosLimit > len ) { 525 stopPosLimit = len; 526 } 527 for ( stopPos = 0; stopPos < stopPosLimit; stopPos++ ) { 528 UChar32 ch = result.char32At(stopPos); 529 if ( (ch < 0x41) || (ch > 0x5A && ch < 0x61) || (ch > 0x7A && ch < 0xC0) ) { 530 break; 531 } 532 if (ch >= 0x10000) { 533 stopPos++; 534 } 535 } 536 if ( stopPos > 0 && stopPos < len ) { 537 UnicodeString firstWord(result, 0, stopPos); 538 firstWord.toTitle(NULL, locale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT); 539 result.replaceBetween(0, stopPos, firstWord); 540 } else { 541 // no stopPos, titlecase the whole text 542 result.toTitle(NULL, locale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT); 543 } 544 } 545 #endif 546 return result; 547 } 548 549 UnicodeString& 550 LocaleDisplayNamesImpl::localeDisplayName(const Locale& locale, 551 UnicodeString& result) const { 552 UnicodeString resultName; 553 554 const char* lang = locale.getLanguage(); 555 if (uprv_strlen(lang) == 0) { 556 lang = "root"; 557 } 558 const char* script = locale.getScript(); 559 const char* country = locale.getCountry(); 560 const char* variant = locale.getVariant(); 561 562 UBool hasScript = uprv_strlen(script) > 0; 563 UBool hasCountry = uprv_strlen(country) > 0; 564 UBool hasVariant = uprv_strlen(variant) > 0; 565 566 if (dialectHandling == ULDN_DIALECT_NAMES) { 567 char buffer[ULOC_FULLNAME_CAPACITY]; 568 do { // loop construct is so we can break early out of search 569 if (hasScript && hasCountry) { 570 ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", script, "_", country, (char *)0); 571 localeIdName(buffer, resultName); 572 if (!resultName.isBogus()) { 573 hasScript = FALSE; 574 hasCountry = FALSE; 575 break; 576 } 577 } 578 if (hasScript) { 579 ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", script, (char *)0); 580 localeIdName(buffer, resultName); 581 if (!resultName.isBogus()) { 582 hasScript = FALSE; 583 break; 584 } 585 } 586 if (hasCountry) { 587 ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", country, (char*)0); 588 localeIdName(buffer, resultName); 589 if (!resultName.isBogus()) { 590 hasCountry = FALSE; 591 break; 592 } 593 } 594 } while (FALSE); 595 } 596 if (resultName.isBogus() || resultName.isEmpty()) { 597 localeIdName(lang, resultName); 598 } 599 600 UnicodeString resultRemainder; 601 UnicodeString temp; 602 StringEnumeration *e = NULL; 603 UErrorCode status = U_ZERO_ERROR; 604 605 if (hasScript) { 606 resultRemainder.append(scriptDisplayName(script, temp)); 607 } 608 if (hasCountry) { 609 appendWithSep(resultRemainder, regionDisplayName(country, temp)); 610 } 611 if (hasVariant) { 612 appendWithSep(resultRemainder, variantDisplayName(variant, temp)); 613 } 614 resultRemainder.findAndReplace(formatOpenParen, formatReplaceOpenParen); 615 resultRemainder.findAndReplace(formatCloseParen, formatReplaceCloseParen); 616 617 e = locale.createKeywords(status); 618 if (e && U_SUCCESS(status)) { 619 UnicodeString temp2; 620 char value[ULOC_KEYWORD_AND_VALUES_CAPACITY]; // sigh, no ULOC_VALUE_CAPACITY 621 const char* key; 622 while ((key = e->next((int32_t *)0, status)) != NULL) { 623 locale.getKeywordValue(key, value, ULOC_KEYWORD_AND_VALUES_CAPACITY, status); 624 keyDisplayName(key, temp); 625 temp.findAndReplace(formatOpenParen, formatReplaceOpenParen); 626 temp.findAndReplace(formatCloseParen, formatReplaceCloseParen); 627 keyValueDisplayName(key, value, temp2); 628 temp2.findAndReplace(formatOpenParen, formatReplaceOpenParen); 629 temp2.findAndReplace(formatCloseParen, formatReplaceCloseParen); 630 if (temp2 != UnicodeString(value, -1, US_INV)) { 631 appendWithSep(resultRemainder, temp2); 632 } else if (temp != UnicodeString(key, -1, US_INV)) { 633 UnicodeString temp3; 634 Formattable data[] = { 635 temp, 636 temp2 637 }; 638 FieldPosition fpos; 639 status = U_ZERO_ERROR; 640 keyTypeFormat->format(data, 2, temp3, fpos, status); 641 appendWithSep(resultRemainder, temp3); 642 } else { 643 appendWithSep(resultRemainder, temp) 644 .append((UChar)0x3d /* = */) 645 .append(temp2); 646 } 647 } 648 delete e; 649 } 650 651 if (!resultRemainder.isEmpty()) { 652 Formattable data[] = { 653 resultName, 654 resultRemainder 655 }; 656 FieldPosition fpos; 657 status = U_ZERO_ERROR; 658 format->format(data, 2, result, fpos, status); 659 return adjustForUsageAndContext(kCapContextUsageLanguage, result); 660 } 661 662 result = resultName; 663 return adjustForUsageAndContext(kCapContextUsageLanguage, result); 664 } 665 666 UnicodeString& 667 LocaleDisplayNamesImpl::appendWithSep(UnicodeString& buffer, const UnicodeString& src) const { 668 if (buffer.isEmpty()) { 669 buffer.setTo(src); 670 } else { 671 UnicodeString combined; 672 Formattable data[] = { 673 buffer, 674 src 675 }; 676 FieldPosition fpos; 677 UErrorCode status = U_ZERO_ERROR; 678 separatorFormat->format(data, 2, combined, fpos, status); 679 if (U_SUCCESS(status)) { 680 buffer.setTo(combined); 681 } 682 } 683 return buffer; 684 } 685 686 UnicodeString& 687 LocaleDisplayNamesImpl::localeDisplayName(const char* localeId, 688 UnicodeString& result) const { 689 return localeDisplayName(Locale(localeId), result); 690 } 691 692 // private 693 UnicodeString& 694 LocaleDisplayNamesImpl::localeIdName(const char* localeId, 695 UnicodeString& result) const { 696 return langData.getNoFallback("Languages", localeId, result); 697 } 698 699 UnicodeString& 700 LocaleDisplayNamesImpl::languageDisplayName(const char* lang, 701 UnicodeString& result) const { 702 if (uprv_strcmp("root", lang) == 0 || uprv_strchr(lang, '_') != NULL) { 703 return result = UnicodeString(lang, -1, US_INV); 704 } 705 langData.get("Languages", lang, result); 706 return adjustForUsageAndContext(kCapContextUsageLanguage, result); 707 } 708 709 UnicodeString& 710 LocaleDisplayNamesImpl::scriptDisplayName(const char* script, 711 UnicodeString& result) const { 712 langData.get("Scripts", script, result); 713 return adjustForUsageAndContext(kCapContextUsageScript, result); 714 } 715 716 UnicodeString& 717 LocaleDisplayNamesImpl::scriptDisplayName(UScriptCode scriptCode, 718 UnicodeString& result) const { 719 const char* name = uscript_getName(scriptCode); 720 langData.get("Scripts", name, result); 721 return adjustForUsageAndContext(kCapContextUsageScript, result); 722 } 723 724 UnicodeString& 725 LocaleDisplayNamesImpl::regionDisplayName(const char* region, 726 UnicodeString& result) const { 727 regionData.get("Countries", region, result); 728 return adjustForUsageAndContext(kCapContextUsageTerritory, result); 729 } 730 731 UnicodeString& 732 LocaleDisplayNamesImpl::variantDisplayName(const char* variant, 733 UnicodeString& result) const { 734 langData.get("Variants", variant, result); 735 return adjustForUsageAndContext(kCapContextUsageVariant, result); 736 } 737 738 UnicodeString& 739 LocaleDisplayNamesImpl::keyDisplayName(const char* key, 740 UnicodeString& result) const { 741 langData.get("Keys", key, result); 742 return adjustForUsageAndContext(kCapContextUsageKey, result); 743 } 744 745 UnicodeString& 746 LocaleDisplayNamesImpl::keyValueDisplayName(const char* key, 747 const char* value, 748 UnicodeString& result) const { 749 langData.get("Types", key, value, result); 750 return adjustForUsageAndContext(kCapContextUsageType, result); 751 } 752 753 //////////////////////////////////////////////////////////////////////////////////////////////////// 754 755 LocaleDisplayNames* 756 LocaleDisplayNames::createInstance(const Locale& locale, 757 UDialectHandling dialectHandling) { 758 return new LocaleDisplayNamesImpl(locale, dialectHandling); 759 } 760 761 LocaleDisplayNames* 762 LocaleDisplayNames::createInstance(const Locale& locale, 763 UDisplayContext *contexts, int32_t length) { 764 if (contexts == NULL) { 765 length = 0; 766 } 767 return new LocaleDisplayNamesImpl(locale, contexts, length); 768 } 769 770 U_NAMESPACE_END 771 772 //////////////////////////////////////////////////////////////////////////////////////////////////// 773 774 U_NAMESPACE_USE 775 776 U_CAPI ULocaleDisplayNames * U_EXPORT2 777 uldn_open(const char * locale, 778 UDialectHandling dialectHandling, 779 UErrorCode *pErrorCode) { 780 if (U_FAILURE(*pErrorCode)) { 781 return 0; 782 } 783 if (locale == NULL) { 784 locale = uloc_getDefault(); 785 } 786 return (ULocaleDisplayNames *)LocaleDisplayNames::createInstance(Locale(locale), dialectHandling); 787 } 788 789 U_CAPI ULocaleDisplayNames * U_EXPORT2 790 uldn_openForContext(const char * locale, 791 UDisplayContext *contexts, int32_t length, 792 UErrorCode *pErrorCode) { 793 if (U_FAILURE(*pErrorCode)) { 794 return 0; 795 } 796 if (locale == NULL) { 797 locale = uloc_getDefault(); 798 } 799 return (ULocaleDisplayNames *)LocaleDisplayNames::createInstance(Locale(locale), contexts, length); 800 } 801 802 803 U_CAPI void U_EXPORT2 804 uldn_close(ULocaleDisplayNames *ldn) { 805 delete (LocaleDisplayNames *)ldn; 806 } 807 808 U_CAPI const char * U_EXPORT2 809 uldn_getLocale(const ULocaleDisplayNames *ldn) { 810 if (ldn) { 811 return ((const LocaleDisplayNames *)ldn)->getLocale().getName(); 812 } 813 return NULL; 814 } 815 816 U_CAPI UDialectHandling U_EXPORT2 817 uldn_getDialectHandling(const ULocaleDisplayNames *ldn) { 818 if (ldn) { 819 return ((const LocaleDisplayNames *)ldn)->getDialectHandling(); 820 } 821 return ULDN_STANDARD_NAMES; 822 } 823 824 U_CAPI UDisplayContext U_EXPORT2 825 uldn_getContext(const ULocaleDisplayNames *ldn, 826 UDisplayContextType type, 827 UErrorCode *pErrorCode) { 828 if (U_FAILURE(*pErrorCode)) { 829 return (UDisplayContext)0; 830 } 831 return ((const LocaleDisplayNames *)ldn)->getContext(type); 832 } 833 834 U_CAPI int32_t U_EXPORT2 835 uldn_localeDisplayName(const ULocaleDisplayNames *ldn, 836 const char *locale, 837 UChar *result, 838 int32_t maxResultSize, 839 UErrorCode *pErrorCode) { 840 if (U_FAILURE(*pErrorCode)) { 841 return 0; 842 } 843 if (ldn == NULL || locale == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { 844 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; 845 return 0; 846 } 847 UnicodeString temp(result, 0, maxResultSize); 848 ((const LocaleDisplayNames *)ldn)->localeDisplayName(locale, temp); 849 return temp.extract(result, maxResultSize, *pErrorCode); 850 } 851 852 U_CAPI int32_t U_EXPORT2 853 uldn_languageDisplayName(const ULocaleDisplayNames *ldn, 854 const char *lang, 855 UChar *result, 856 int32_t maxResultSize, 857 UErrorCode *pErrorCode) { 858 if (U_FAILURE(*pErrorCode)) { 859 return 0; 860 } 861 if (ldn == NULL || lang == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { 862 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; 863 return 0; 864 } 865 UnicodeString temp(result, 0, maxResultSize); 866 ((const LocaleDisplayNames *)ldn)->languageDisplayName(lang, temp); 867 return temp.extract(result, maxResultSize, *pErrorCode); 868 } 869 870 U_CAPI int32_t U_EXPORT2 871 uldn_scriptDisplayName(const ULocaleDisplayNames *ldn, 872 const char *script, 873 UChar *result, 874 int32_t maxResultSize, 875 UErrorCode *pErrorCode) { 876 if (U_FAILURE(*pErrorCode)) { 877 return 0; 878 } 879 if (ldn == NULL || script == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { 880 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; 881 return 0; 882 } 883 UnicodeString temp(result, 0, maxResultSize); 884 ((const LocaleDisplayNames *)ldn)->scriptDisplayName(script, temp); 885 return temp.extract(result, maxResultSize, *pErrorCode); 886 } 887 888 U_CAPI int32_t U_EXPORT2 889 uldn_scriptCodeDisplayName(const ULocaleDisplayNames *ldn, 890 UScriptCode scriptCode, 891 UChar *result, 892 int32_t maxResultSize, 893 UErrorCode *pErrorCode) { 894 return uldn_scriptDisplayName(ldn, uscript_getName(scriptCode), result, maxResultSize, pErrorCode); 895 } 896 897 U_CAPI int32_t U_EXPORT2 898 uldn_regionDisplayName(const ULocaleDisplayNames *ldn, 899 const char *region, 900 UChar *result, 901 int32_t maxResultSize, 902 UErrorCode *pErrorCode) { 903 if (U_FAILURE(*pErrorCode)) { 904 return 0; 905 } 906 if (ldn == NULL || region == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { 907 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; 908 return 0; 909 } 910 UnicodeString temp(result, 0, maxResultSize); 911 ((const LocaleDisplayNames *)ldn)->regionDisplayName(region, temp); 912 return temp.extract(result, maxResultSize, *pErrorCode); 913 } 914 915 U_CAPI int32_t U_EXPORT2 916 uldn_variantDisplayName(const ULocaleDisplayNames *ldn, 917 const char *variant, 918 UChar *result, 919 int32_t maxResultSize, 920 UErrorCode *pErrorCode) { 921 if (U_FAILURE(*pErrorCode)) { 922 return 0; 923 } 924 if (ldn == NULL || variant == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { 925 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; 926 return 0; 927 } 928 UnicodeString temp(result, 0, maxResultSize); 929 ((const LocaleDisplayNames *)ldn)->variantDisplayName(variant, temp); 930 return temp.extract(result, maxResultSize, *pErrorCode); 931 } 932 933 U_CAPI int32_t U_EXPORT2 934 uldn_keyDisplayName(const ULocaleDisplayNames *ldn, 935 const char *key, 936 UChar *result, 937 int32_t maxResultSize, 938 UErrorCode *pErrorCode) { 939 if (U_FAILURE(*pErrorCode)) { 940 return 0; 941 } 942 if (ldn == NULL || key == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { 943 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; 944 return 0; 945 } 946 UnicodeString temp(result, 0, maxResultSize); 947 ((const LocaleDisplayNames *)ldn)->keyDisplayName(key, temp); 948 return temp.extract(result, maxResultSize, *pErrorCode); 949 } 950 951 U_CAPI int32_t U_EXPORT2 952 uldn_keyValueDisplayName(const ULocaleDisplayNames *ldn, 953 const char *key, 954 const char *value, 955 UChar *result, 956 int32_t maxResultSize, 957 UErrorCode *pErrorCode) { 958 if (U_FAILURE(*pErrorCode)) { 959 return 0; 960 } 961 if (ldn == NULL || key == NULL || value == NULL || (result == NULL && maxResultSize > 0) 962 || maxResultSize < 0) { 963 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; 964 return 0; 965 } 966 UnicodeString temp(result, 0, maxResultSize); 967 ((const LocaleDisplayNames *)ldn)->keyValueDisplayName(key, value, temp); 968 return temp.extract(result, maxResultSize, *pErrorCode); 969 } 970 971 #endif 972
