1// Copyright (C) 2016 and later: Unicode, Inc. and others. 2// License & terms of use: http://www.unicode.org/copyright.html 3/* 4******************************************************************************* 5* Copyright (C) 1997-2015, International Business Machines Corporation and 6* others. All Rights Reserved. 7******************************************************************************* 8* 9* File NUMFMT.CPP 10* 11* Modification History: 12* 13* Date Name Description 14* 02/19/97 aliu Converted from java. 15* 03/18/97 clhuang Implemented with C++ APIs. 16* 04/17/97 aliu Enlarged MAX_INTEGER_DIGITS to fully accomodate the 17* largest double, by default. 18* Changed DigitCount to int per code review. 19* 07/20/98 stephen Changed operator== to check for grouping 20* Changed setMaxIntegerDigits per Java implementation. 21* Changed setMinIntegerDigits per Java implementation. 22* Changed setMinFractionDigits per Java implementation. 23* Changed setMaxFractionDigits per Java implementation. 24******************************************************************************** 25*/ 26 27#include "unicode/utypes.h" 28 29#if !UCONFIG_NO_FORMATTING 30 31#include "unicode/numfmt.h" 32#include "unicode/locid.h" 33#include "unicode/dcfmtsym.h" 34#include "unicode/decimfmt.h" 35#include "unicode/ustring.h" 36#include "unicode/ucurr.h" 37#include "unicode/curramt.h" 38#include "unicode/numsys.h" 39#include "unicode/rbnf.h" 40#include "unicode/localpointer.h" 41#include "unicode/udisplaycontext.h" 42#include "charstr.h" 43#include "winnmfmt.h" 44#include "uresimp.h" 45#include "uhash.h" 46#include "cmemory.h" 47#include "servloc.h" 48#include "ucln_in.h" 49#include "cstring.h" 50#include "putilimp.h" 51#include "uassert.h" 52#include "umutex.h" 53#include "mutex.h" 54#include "digitlst.h" 55#include <float.h> 56#include "sharednumberformat.h" 57#include "unifiedcache.h" 58 59//#define FMT_DEBUG 60 61#ifdef FMT_DEBUG 62#include <stdio.h> 63static inline void debugout(UnicodeString s) { 64 char buf[2000]; 65 s.extract((int32_t) 0, s.length(), buf); 66 printf("%s", buf); 67} 68#define debug(x) printf("%s", x); 69#else 70#define debugout(x) 71#define debug(x) 72#endif 73 74// If no number pattern can be located for a locale, this is the last 75// resort. The patterns are same as the ones in root locale. 76static const UChar gLastResortDecimalPat[] = { 77 0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x23, 0x23, 0x23, 0 /* "#,##0.###" */ 78}; 79static const UChar gLastResortCurrencyPat[] = { 80 0xA4, 0xA0, 0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x30, 0x30, 0 /* "\u00A4\u00A0#,##0.00" */ 81}; 82static const UChar gLastResortPercentPat[] = { 83 0x23, 0x2C, 0x23, 0x23, 0x30, 0x25, 0 /* "#,##0%" */ 84}; 85static const UChar gLastResortScientificPat[] = { 86 0x23, 0x45, 0x30, 0 /* "#E0" */ 87}; 88static const UChar gLastResortIsoCurrencyPat[] = { 89 0xA4, 0xA4, 0xA0, 0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x30, 0x30, 0 /* "\u00A4\u00A4\u00A0#,##0.00" */ 90}; 91static const UChar gLastResortPluralCurrencyPat[] = { 92 0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x23, 0x23, 0x23, 0x20, 0xA4, 0xA4, 0xA4, 0 /* "#,##0.### \u00A4\u00A4\u00A4*/ 93}; 94static const UChar gLastResortAccountingCurrencyPat[] = { 95 0xA4, 0xA0, 0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x30, 0x30, 0 /* "\u00A4\u00A0#,##0.00" */ 96}; 97 98static const UChar gSingleCurrencySign[] = {0xA4, 0}; 99static const UChar gDoubleCurrencySign[] = {0xA4, 0xA4, 0}; 100 101static const UChar gSlash = 0x2f; 102 103// If the maximum base 10 exponent were 4, then the largest number would 104// be 99,999 which has 5 digits. 105// On IEEE754 systems gMaxIntegerDigits is 308 + possible denormalized 15 digits + rounding digit 106// With big decimal, the max exponent is 999,999,999 and the max number of digits is the same, 999,999,999 107const int32_t icu::NumberFormat::gDefaultMaxIntegerDigits = 2000000000; 108const int32_t icu::NumberFormat::gDefaultMinIntegerDigits = 127; 109 110static const UChar * const gLastResortNumberPatterns[UNUM_FORMAT_STYLE_COUNT] = { 111 NULL, // UNUM_PATTERN_DECIMAL 112 gLastResortDecimalPat, // UNUM_DECIMAL 113 gLastResortCurrencyPat, // UNUM_CURRENCY 114 gLastResortPercentPat, // UNUM_PERCENT 115 gLastResortScientificPat, // UNUM_SCIENTIFIC 116 NULL, // UNUM_SPELLOUT 117 NULL, // UNUM_ORDINAL 118 NULL, // UNUM_DURATION 119 NULL, // UNUM_NUMBERING_SYSTEM 120 NULL, // UNUM_PATTERN_RULEBASED 121 gLastResortIsoCurrencyPat, // UNUM_CURRENCY_ISO 122 gLastResortPluralCurrencyPat, // UNUM_CURRENCY_PLURAL 123 gLastResortAccountingCurrencyPat, // UNUM_CURRENCY_ACCOUNTING 124 gLastResortCurrencyPat, // UNUM_CASH_CURRENCY 125 NULL, // UNUM_DECIMAL_COMPACT_SHORT 126 NULL, // UNUM_DECIMAL_COMPACT_LONG 127 gLastResortCurrencyPat, // UNUM_CURRENCY_STANDARD 128}; 129 130// Keys used for accessing resource bundles 131 132static const char *gNumberElements = "NumberElements"; 133static const char *gLatn = "latn"; 134static const char *gPatterns = "patterns"; 135static const char *gFormatKeys[UNUM_FORMAT_STYLE_COUNT] = { 136 NULL, // UNUM_PATTERN_DECIMAL 137 "decimalFormat", // UNUM_DECIMAL 138 "currencyFormat", // UNUM_CURRENCY 139 "percentFormat", // UNUM_PERCENT 140 "scientificFormat", // UNUM_SCIENTIFIC 141 NULL, // UNUM_SPELLOUT 142 NULL, // UNUM_ORDINAL 143 NULL, // UNUM_DURATION 144 NULL, // UNUM_NUMBERING_SYSTEM 145 NULL, // UNUM_PATTERN_RULEBASED 146 // For UNUM_CURRENCY_ISO and UNUM_CURRENCY_PLURAL, 147 // the pattern is the same as the pattern of UNUM_CURRENCY 148 // except for replacing the single currency sign with 149 // double currency sign or triple currency sign. 150 "currencyFormat", // UNUM_CURRENCY_ISO 151 "currencyFormat", // UNUM_CURRENCY_PLURAL 152 "accountingFormat", // UNUM_CURRENCY_ACCOUNTING 153 "currencyFormat", // UNUM_CASH_CURRENCY 154 NULL, // UNUM_DECIMAL_COMPACT_SHORT 155 NULL, // UNUM_DECIMAL_COMPACT_LONG 156 "currencyFormat", // UNUM_CURRENCY_STANDARD 157}; 158 159// Static hashtable cache of NumberingSystem objects used by NumberFormat 160static UHashtable * NumberingSystem_cache = NULL; 161static UMutex nscacheMutex = U_MUTEX_INITIALIZER; 162static icu::UInitOnce gNSCacheInitOnce = U_INITONCE_INITIALIZER; 163 164#if !UCONFIG_NO_SERVICE 165static icu::ICULocaleService* gService = NULL; 166static icu::UInitOnce gServiceInitOnce = U_INITONCE_INITIALIZER; 167#endif 168 169/** 170 * Release all static memory held by Number Format. 171 */ 172U_CDECL_BEGIN 173static void U_CALLCONV 174deleteNumberingSystem(void *obj) { 175 delete (icu::NumberingSystem *)obj; 176} 177 178static UBool U_CALLCONV numfmt_cleanup(void) { 179#if !UCONFIG_NO_SERVICE 180 gServiceInitOnce.reset(); 181 if (gService) { 182 delete gService; 183 gService = NULL; 184 } 185#endif 186 gNSCacheInitOnce.reset(); 187 if (NumberingSystem_cache) { 188 // delete NumberingSystem_cache; 189 uhash_close(NumberingSystem_cache); 190 NumberingSystem_cache = NULL; 191 } 192 return TRUE; 193} 194U_CDECL_END 195 196// ***************************************************************************** 197// class NumberFormat 198// ***************************************************************************** 199 200U_NAMESPACE_BEGIN 201 202UOBJECT_DEFINE_ABSTRACT_RTTI_IMPLEMENTATION(NumberFormat) 203 204#if !UCONFIG_NO_SERVICE 205// ------------------------------------- 206// SimpleNumberFormatFactory implementation 207NumberFormatFactory::~NumberFormatFactory() {} 208SimpleNumberFormatFactory::SimpleNumberFormatFactory(const Locale& locale, UBool visible) 209 : _visible(visible) 210{ 211 LocaleUtility::initNameFromLocale(locale, _id); 212} 213 214SimpleNumberFormatFactory::~SimpleNumberFormatFactory() {} 215 216UBool SimpleNumberFormatFactory::visible(void) const { 217 return _visible; 218} 219 220const UnicodeString * 221SimpleNumberFormatFactory::getSupportedIDs(int32_t &count, UErrorCode& status) const 222{ 223 if (U_SUCCESS(status)) { 224 count = 1; 225 return &_id; 226 } 227 count = 0; 228 return NULL; 229} 230#endif /* #if !UCONFIG_NO_SERVICE */ 231 232// ------------------------------------- 233// default constructor 234NumberFormat::NumberFormat() 235: fGroupingUsed(TRUE), 236 fMaxIntegerDigits(gDefaultMaxIntegerDigits), 237 fMinIntegerDigits(1), 238 fMaxFractionDigits(3), // invariant, >= minFractionDigits 239 fMinFractionDigits(0), 240 fParseIntegerOnly(FALSE), 241 fLenient(FALSE), 242 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE) 243{ 244 fCurrency[0] = 0; 245} 246 247// ------------------------------------- 248 249NumberFormat::~NumberFormat() 250{ 251} 252 253SharedNumberFormat::~SharedNumberFormat() { 254 delete ptr; 255} 256 257// ------------------------------------- 258// copy constructor 259 260NumberFormat::NumberFormat(const NumberFormat &source) 261: Format(source) 262{ 263 *this = source; 264} 265 266// ------------------------------------- 267// assignment operator 268 269NumberFormat& 270NumberFormat::operator=(const NumberFormat& rhs) 271{ 272 if (this != &rhs) 273 { 274 Format::operator=(rhs); 275 fGroupingUsed = rhs.fGroupingUsed; 276 fMaxIntegerDigits = rhs.fMaxIntegerDigits; 277 fMinIntegerDigits = rhs.fMinIntegerDigits; 278 fMaxFractionDigits = rhs.fMaxFractionDigits; 279 fMinFractionDigits = rhs.fMinFractionDigits; 280 fParseIntegerOnly = rhs.fParseIntegerOnly; 281 u_strncpy(fCurrency, rhs.fCurrency, 3); 282 fCurrency[3] = 0; 283 fLenient = rhs.fLenient; 284 fCapitalizationContext = rhs.fCapitalizationContext; 285 } 286 return *this; 287} 288 289// ------------------------------------- 290 291UBool 292NumberFormat::operator==(const Format& that) const 293{ 294 // Format::operator== guarantees this cast is safe 295 NumberFormat* other = (NumberFormat*)&that; 296 297#ifdef FMT_DEBUG 298 // This code makes it easy to determine why two format objects that should 299 // be equal aren't. 300 UBool first = TRUE; 301 if (!Format::operator==(that)) { 302 if (first) { printf("[ "); first = FALSE; } else { printf(", "); } 303 debug("Format::!="); 304 } 305 if (!(fMaxIntegerDigits == other->fMaxIntegerDigits && 306 fMinIntegerDigits == other->fMinIntegerDigits)) { 307 if (first) { printf("[ "); first = FALSE; } else { printf(", "); } 308 debug("Integer digits !="); 309 } 310 if (!(fMaxFractionDigits == other->fMaxFractionDigits && 311 fMinFractionDigits == other->fMinFractionDigits)) { 312 if (first) { printf("[ "); first = FALSE; } else { printf(", "); } 313 debug("Fraction digits !="); 314 } 315 if (!(fGroupingUsed == other->fGroupingUsed)) { 316 if (first) { printf("[ "); first = FALSE; } else { printf(", "); } 317 debug("fGroupingUsed != "); 318 } 319 if (!(fParseIntegerOnly == other->fParseIntegerOnly)) { 320 if (first) { printf("[ "); first = FALSE; } else { printf(", "); } 321 debug("fParseIntegerOnly != "); 322 } 323 if (!(u_strcmp(fCurrency, other->fCurrency) == 0)) { 324 if (first) { printf("[ "); first = FALSE; } else { printf(", "); } 325 debug("fCurrency !="); 326 } 327 if (!(fLenient == other->fLenient)) { 328 if (first) { printf("[ "); first = FALSE; } else { printf(", "); } 329 debug("fLenient != "); 330 } 331 if (!(fCapitalizationContext == other->fCapitalizationContext)) { 332 if (first) { printf("[ "); first = FALSE; } else { printf(", "); } 333 debug("fCapitalizationContext != "); 334 } 335 if (!first) { printf(" ]"); } 336#endif 337 338 return ((this == &that) || 339 ((Format::operator==(that) && 340 fMaxIntegerDigits == other->fMaxIntegerDigits && 341 fMinIntegerDigits == other->fMinIntegerDigits && 342 fMaxFractionDigits == other->fMaxFractionDigits && 343 fMinFractionDigits == other->fMinFractionDigits && 344 fGroupingUsed == other->fGroupingUsed && 345 fParseIntegerOnly == other->fParseIntegerOnly && 346 u_strcmp(fCurrency, other->fCurrency) == 0 && 347 fLenient == other->fLenient && 348 fCapitalizationContext == other->fCapitalizationContext))); 349} 350 351// ------------------------------------- 352// Default implementation sets unsupported error; subclasses should 353// override. 354 355UnicodeString& 356NumberFormat::format(double /* unused number */, 357 UnicodeString& toAppendTo, 358 FieldPositionIterator* /* unused posIter */, 359 UErrorCode& status) const 360{ 361 if (!U_FAILURE(status)) { 362 status = U_UNSUPPORTED_ERROR; 363 } 364 return toAppendTo; 365} 366 367// ------------------------------------- 368// Default implementation sets unsupported error; subclasses should 369// override. 370 371UnicodeString& 372NumberFormat::format(int32_t /* unused number */, 373 UnicodeString& toAppendTo, 374 FieldPositionIterator* /* unused posIter */, 375 UErrorCode& status) const 376{ 377 if (!U_FAILURE(status)) { 378 status = U_UNSUPPORTED_ERROR; 379 } 380 return toAppendTo; 381} 382 383// ------------------------------------- 384// Default implementation sets unsupported error; subclasses should 385// override. 386 387UnicodeString& 388NumberFormat::format(int64_t /* unused number */, 389 UnicodeString& toAppendTo, 390 FieldPositionIterator* /* unused posIter */, 391 UErrorCode& status) const 392{ 393 if (!U_FAILURE(status)) { 394 status = U_UNSUPPORTED_ERROR; 395 } 396 return toAppendTo; 397} 398 399// ------------------------------------------ 400// These functions add the status code, just fall back to the non-status versions 401UnicodeString& 402NumberFormat::format(double number, 403 UnicodeString& appendTo, 404 FieldPosition& pos, 405 UErrorCode &status) const { 406 if(U_SUCCESS(status)) { 407 return format(number,appendTo,pos); 408 } else { 409 return appendTo; 410 } 411} 412 413UnicodeString& 414NumberFormat::format(int32_t number, 415 UnicodeString& appendTo, 416 FieldPosition& pos, 417 UErrorCode &status) const { 418 if(U_SUCCESS(status)) { 419 return format(number,appendTo,pos); 420 } else { 421 return appendTo; 422 } 423} 424 425UnicodeString& 426NumberFormat::format(int64_t number, 427 UnicodeString& appendTo, 428 FieldPosition& pos, 429 UErrorCode &status) const { 430 if(U_SUCCESS(status)) { 431 return format(number,appendTo,pos); 432 } else { 433 return appendTo; 434 } 435} 436 437 438 439// ------------------------------------- 440// Decimal Number format() default implementation 441// Subclasses do not normally override this function, but rather the DigitList 442// formatting functions.. 443// The expected call chain from here is 444// this function -> 445// NumberFormat::format(Formattable -> 446// DecimalFormat::format(DigitList 447// 448// Or, for subclasses of Formattable that do not know about DigitList, 449// this Function -> 450// NumberFormat::format(Formattable -> 451// NumberFormat::format(DigitList -> 452// XXXFormat::format(double 453 454UnicodeString& 455NumberFormat::format(StringPiece decimalNum, 456 UnicodeString& toAppendTo, 457 FieldPositionIterator* fpi, 458 UErrorCode& status) const 459{ 460 Formattable f; 461 f.setDecimalNumber(decimalNum, status); 462 format(f, toAppendTo, fpi, status); 463 return toAppendTo; 464} 465 466/** 467 * 468// Formats the number object and save the format 469// result in the toAppendTo string buffer. 470 471// utility to save/restore state, used in two overloads 472// of format(const Formattable&...) below. 473* 474* Old purpose of ArgExtractor was to avoid const. Not thread safe! 475* 476* keeping it around as a shim. 477*/ 478class ArgExtractor { 479 const Formattable* num; 480 UChar save[4]; 481 UBool fWasCurrency; 482 483 public: 484 ArgExtractor(const NumberFormat& nf, const Formattable& obj, UErrorCode& status); 485 ~ArgExtractor(); 486 487 const Formattable* number(void) const; 488 const UChar *iso(void) const; 489 UBool wasCurrency(void) const; 490}; 491 492inline const Formattable* 493ArgExtractor::number(void) const { 494 return num; 495} 496 497inline UBool 498ArgExtractor::wasCurrency(void) const { 499 return fWasCurrency; 500} 501 502inline const UChar * 503ArgExtractor::iso(void) const { 504 return save; 505} 506 507ArgExtractor::ArgExtractor(const NumberFormat& /*nf*/, const Formattable& obj, UErrorCode& /*status*/) 508 : num(&obj), fWasCurrency(FALSE) { 509 510 const UObject* o = obj.getObject(); // most commonly o==NULL 511 const CurrencyAmount* amt; 512 if (o != NULL && (amt = dynamic_cast<const CurrencyAmount*>(o)) != NULL) { 513 // getISOCurrency() returns a pointer to internal storage, so we 514 // copy it to retain it across the call to setCurrency(). 515 //const UChar* curr = amt->getISOCurrency(); 516 u_strcpy(save, amt->getISOCurrency()); 517 num = &amt->getNumber(); 518 fWasCurrency=TRUE; 519 } else { 520 save[0]=0; 521 } 522} 523 524ArgExtractor::~ArgExtractor() { 525} 526 527UnicodeString& NumberFormat::format(const DigitList &number, 528 UnicodeString& appendTo, 529 FieldPositionIterator* posIter, 530 UErrorCode& status) const { 531 // DecimalFormat overrides this function, and handles DigitList based big decimals. 532 // Other subclasses (ChoiceFormat, RuleBasedNumberFormat) do not (yet) handle DigitLists, 533 // so this default implementation falls back to formatting decimal numbers as doubles. 534 if (U_FAILURE(status)) { 535 return appendTo; 536 } 537 double dnum = number.getDouble(); 538 format(dnum, appendTo, posIter, status); 539 return appendTo; 540} 541 542 543 544UnicodeString& 545NumberFormat::format(const DigitList &number, 546 UnicodeString& appendTo, 547 FieldPosition& pos, 548 UErrorCode &status) const { 549 // DecimalFormat overrides this function, and handles DigitList based big decimals. 550 // Other subclasses (ChoiceFormat, RuleBasedNumberFormat) do not (yet) handle DigitLists, 551 // so this default implementation falls back to formatting decimal numbers as doubles. 552 if (U_FAILURE(status)) { 553 return appendTo; 554 } 555 double dnum = number.getDouble(); 556 format(dnum, appendTo, pos, status); 557 return appendTo; 558} 559 560UnicodeString& 561NumberFormat::format(const Formattable& obj, 562 UnicodeString& appendTo, 563 FieldPosition& pos, 564 UErrorCode& status) const 565{ 566 if (U_FAILURE(status)) return appendTo; 567 568 ArgExtractor arg(*this, obj, status); 569 const Formattable *n = arg.number(); 570 const UChar *iso = arg.iso(); 571 572 if(arg.wasCurrency() && u_strcmp(iso, getCurrency())) { 573 // trying to format a different currency. 574 // Right now, we clone. 575 LocalPointer<NumberFormat> cloneFmt((NumberFormat*)this->clone()); 576 cloneFmt->setCurrency(iso, status); 577 // next line should NOT recurse, because n is numeric whereas obj was a wrapper around currency amount. 578 return cloneFmt->format(*n, appendTo, pos, status); 579 } 580 581 if (n->isNumeric() && n->getDigitList() != NULL) { 582 // Decimal Number. We will have a DigitList available if the value was 583 // set to a decimal number, or if the value originated with a parse. 584 // 585 // The default implementation for formatting a DigitList converts it 586 // to a double, and formats that, allowing formatting classes that don't 587 // know about DigitList to continue to operate as they had. 588 // 589 // DecimalFormat overrides the DigitList formatting functions. 590 format(*n->getDigitList(), appendTo, pos, status); 591 } else { 592 switch (n->getType()) { 593 case Formattable::kDouble: 594 format(n->getDouble(), appendTo, pos); 595 break; 596 case Formattable::kLong: 597 format(n->getLong(), appendTo, pos); 598 break; 599 case Formattable::kInt64: 600 format(n->getInt64(), appendTo, pos); 601 break; 602 default: 603 status = U_INVALID_FORMAT_ERROR; 604 break; 605 } 606 } 607 608 return appendTo; 609} 610 611// -------------------------------------x 612// Formats the number object and save the format 613// result in the toAppendTo string buffer. 614 615UnicodeString& 616NumberFormat::format(const Formattable& obj, 617 UnicodeString& appendTo, 618 FieldPositionIterator* posIter, 619 UErrorCode& status) const 620{ 621 if (U_FAILURE(status)) return appendTo; 622 623 ArgExtractor arg(*this, obj, status); 624 const Formattable *n = arg.number(); 625 const UChar *iso = arg.iso(); 626 627 if(arg.wasCurrency() && u_strcmp(iso, getCurrency())) { 628 // trying to format a different currency. 629 // Right now, we clone. 630 LocalPointer<NumberFormat> cloneFmt((NumberFormat*)this->clone()); 631 cloneFmt->setCurrency(iso, status); 632 // next line should NOT recurse, because n is numeric whereas obj was a wrapper around currency amount. 633 return cloneFmt->format(*n, appendTo, posIter, status); 634 } 635 636 if (n->isNumeric() && n->getDigitList() != NULL) { 637 // Decimal Number 638 format(*n->getDigitList(), appendTo, posIter, status); 639 } else { 640 switch (n->getType()) { 641 case Formattable::kDouble: 642 format(n->getDouble(), appendTo, posIter, status); 643 break; 644 case Formattable::kLong: 645 format(n->getLong(), appendTo, posIter, status); 646 break; 647 case Formattable::kInt64: 648 format(n->getInt64(), appendTo, posIter, status); 649 break; 650 default: 651 status = U_INVALID_FORMAT_ERROR; 652 break; 653 } 654 } 655 656 return appendTo; 657} 658 659// ------------------------------------- 660 661UnicodeString& 662NumberFormat::format(int64_t number, 663 UnicodeString& appendTo, 664 FieldPosition& pos) const 665{ 666 // default so we don't introduce a new abstract method 667 return format((int32_t)number, appendTo, pos); 668} 669 670// ------------------------------------- 671// Parses the string and save the result object as well 672// as the final parsed position. 673 674void 675NumberFormat::parseObject(const UnicodeString& source, 676 Formattable& result, 677 ParsePosition& parse_pos) const 678{ 679 parse(source, result, parse_pos); 680} 681 682// ------------------------------------- 683// Formats a double number and save the result in a string. 684 685UnicodeString& 686NumberFormat::format(double number, UnicodeString& appendTo) const 687{ 688 FieldPosition pos(FieldPosition::DONT_CARE); 689 return format(number, appendTo, pos); 690} 691 692// ------------------------------------- 693// Formats a long number and save the result in a string. 694 695UnicodeString& 696NumberFormat::format(int32_t number, UnicodeString& appendTo) const 697{ 698 FieldPosition pos(FieldPosition::DONT_CARE); 699 return format(number, appendTo, pos); 700} 701 702// ------------------------------------- 703// Formats a long number and save the result in a string. 704 705UnicodeString& 706NumberFormat::format(int64_t number, UnicodeString& appendTo) const 707{ 708 FieldPosition pos(FieldPosition::DONT_CARE); 709 return format(number, appendTo, pos); 710} 711 712// ------------------------------------- 713// Parses the text and save the result object. If the returned 714// parse position is 0, that means the parsing failed, the status 715// code needs to be set to failure. Ignores the returned parse 716// position, otherwise. 717 718void 719NumberFormat::parse(const UnicodeString& text, 720 Formattable& result, 721 UErrorCode& status) const 722{ 723 if (U_FAILURE(status)) return; 724 725 ParsePosition parsePosition(0); 726 parse(text, result, parsePosition); 727 if (parsePosition.getIndex() == 0) { 728 status = U_INVALID_FORMAT_ERROR; 729 } 730} 731 732CurrencyAmount* NumberFormat::parseCurrency(const UnicodeString& text, 733 ParsePosition& pos) const { 734 // Default implementation only -- subclasses should override 735 Formattable parseResult; 736 int32_t start = pos.getIndex(); 737 parse(text, parseResult, pos); 738 if (pos.getIndex() != start) { 739 UChar curr[4]; 740 UErrorCode ec = U_ZERO_ERROR; 741 getEffectiveCurrency(curr, ec); 742 if (U_SUCCESS(ec)) { 743 LocalPointer<CurrencyAmount> currAmt(new CurrencyAmount(parseResult, curr, ec), ec); 744 if (U_FAILURE(ec)) { 745 pos.setIndex(start); // indicate failure 746 } else { 747 return currAmt.orphan(); 748 } 749 } 750 } 751 return NULL; 752} 753 754// ------------------------------------- 755// Sets to only parse integers. 756 757void 758NumberFormat::setParseIntegerOnly(UBool value) 759{ 760 fParseIntegerOnly = value; 761} 762 763// ------------------------------------- 764// Sets whether lenient parse is enabled. 765 766void 767NumberFormat::setLenient(UBool enable) 768{ 769 fLenient = enable; 770} 771 772// ------------------------------------- 773// Create a number style NumberFormat instance with the default locale. 774 775NumberFormat* U_EXPORT2 776NumberFormat::createInstance(UErrorCode& status) 777{ 778 return createInstance(Locale::getDefault(), UNUM_DECIMAL, status); 779} 780 781// ------------------------------------- 782// Create a number style NumberFormat instance with the inLocale locale. 783 784NumberFormat* U_EXPORT2 785NumberFormat::createInstance(const Locale& inLocale, UErrorCode& status) 786{ 787 return createInstance(inLocale, UNUM_DECIMAL, status); 788} 789 790// ------------------------------------- 791// Create a currency style NumberFormat instance with the default locale. 792 793NumberFormat* U_EXPORT2 794NumberFormat::createCurrencyInstance(UErrorCode& status) 795{ 796 return createCurrencyInstance(Locale::getDefault(), status); 797} 798 799// ------------------------------------- 800// Create a currency style NumberFormat instance with the inLocale locale. 801 802NumberFormat* U_EXPORT2 803NumberFormat::createCurrencyInstance(const Locale& inLocale, UErrorCode& status) 804{ 805 return createInstance(inLocale, UNUM_CURRENCY, status); 806} 807 808// ------------------------------------- 809// Create a percent style NumberFormat instance with the default locale. 810 811NumberFormat* U_EXPORT2 812NumberFormat::createPercentInstance(UErrorCode& status) 813{ 814 return createInstance(Locale::getDefault(), UNUM_PERCENT, status); 815} 816 817// ------------------------------------- 818// Create a percent style NumberFormat instance with the inLocale locale. 819 820NumberFormat* U_EXPORT2 821NumberFormat::createPercentInstance(const Locale& inLocale, UErrorCode& status) 822{ 823 return createInstance(inLocale, UNUM_PERCENT, status); 824} 825 826// ------------------------------------- 827// Create a scientific style NumberFormat instance with the default locale. 828 829NumberFormat* U_EXPORT2 830NumberFormat::createScientificInstance(UErrorCode& status) 831{ 832 return createInstance(Locale::getDefault(), UNUM_SCIENTIFIC, status); 833} 834 835// ------------------------------------- 836// Create a scientific style NumberFormat instance with the inLocale locale. 837 838NumberFormat* U_EXPORT2 839NumberFormat::createScientificInstance(const Locale& inLocale, UErrorCode& status) 840{ 841 return createInstance(inLocale, UNUM_SCIENTIFIC, status); 842} 843 844// ------------------------------------- 845 846const Locale* U_EXPORT2 847NumberFormat::getAvailableLocales(int32_t& count) 848{ 849 return Locale::getAvailableLocales(count); 850} 851 852// ------------------------------------------ 853// 854// Registration 855// 856//------------------------------------------- 857 858#if !UCONFIG_NO_SERVICE 859 860// ------------------------------------- 861 862class ICUNumberFormatFactory : public ICUResourceBundleFactory { 863public: 864 virtual ~ICUNumberFormatFactory(); 865protected: 866 virtual UObject* handleCreate(const Locale& loc, int32_t kind, const ICUService* /* service */, UErrorCode& status) const { 867 return NumberFormat::makeInstance(loc, (UNumberFormatStyle)kind, status); 868 } 869}; 870 871ICUNumberFormatFactory::~ICUNumberFormatFactory() {} 872 873// ------------------------------------- 874 875class NFFactory : public LocaleKeyFactory { 876private: 877 NumberFormatFactory* _delegate; 878 Hashtable* _ids; 879 880public: 881 NFFactory(NumberFormatFactory* delegate) 882 : LocaleKeyFactory(delegate->visible() ? VISIBLE : INVISIBLE) 883 , _delegate(delegate) 884 , _ids(NULL) 885 { 886 } 887 888 virtual ~NFFactory(); 889 890 virtual UObject* create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const 891 { 892 if (handlesKey(key, status)) { 893 const LocaleKey& lkey = (const LocaleKey&)key; 894 Locale loc; 895 lkey.canonicalLocale(loc); 896 int32_t kind = lkey.kind(); 897 898 UObject* result = _delegate->createFormat(loc, (UNumberFormatStyle)kind); 899 if (result == NULL) { 900 result = service->getKey((ICUServiceKey&)key /* cast away const */, NULL, this, status); 901 } 902 return result; 903 } 904 return NULL; 905 } 906 907protected: 908 /** 909 * Return the set of ids that this factory supports (visible or 910 * otherwise). This can be called often and might need to be 911 * cached if it is expensive to create. 912 */ 913 virtual const Hashtable* getSupportedIDs(UErrorCode& status) const 914 { 915 if (U_SUCCESS(status)) { 916 if (!_ids) { 917 int32_t count = 0; 918 const UnicodeString * const idlist = _delegate->getSupportedIDs(count, status); 919 ((NFFactory*)this)->_ids = new Hashtable(status); /* cast away const */ 920 if (_ids) { 921 for (int i = 0; i < count; ++i) { 922 _ids->put(idlist[i], (void*)this, status); 923 } 924 } 925 } 926 return _ids; 927 } 928 return NULL; 929 } 930}; 931 932NFFactory::~NFFactory() 933{ 934 delete _delegate; 935 delete _ids; 936} 937 938class ICUNumberFormatService : public ICULocaleService { 939public: 940 ICUNumberFormatService() 941 : ICULocaleService(UNICODE_STRING_SIMPLE("Number Format")) 942 { 943 UErrorCode status = U_ZERO_ERROR; 944 registerFactory(new ICUNumberFormatFactory(), status); 945 } 946 947 virtual ~ICUNumberFormatService(); 948 949 virtual UObject* cloneInstance(UObject* instance) const { 950 return ((NumberFormat*)instance)->clone(); 951 } 952 953 virtual UObject* handleDefault(const ICUServiceKey& key, UnicodeString* /* actualID */, UErrorCode& status) const { 954 LocaleKey& lkey = (LocaleKey&)key; 955 int32_t kind = lkey.kind(); 956 Locale loc; 957 lkey.currentLocale(loc); 958 return NumberFormat::makeInstance(loc, (UNumberFormatStyle)kind, status); 959 } 960 961 virtual UBool isDefault() const { 962 return countFactories() == 1; 963 } 964}; 965 966ICUNumberFormatService::~ICUNumberFormatService() {} 967 968// ------------------------------------- 969 970static void U_CALLCONV initNumberFormatService() { 971 U_ASSERT(gService == NULL); 972 ucln_i18n_registerCleanup(UCLN_I18N_NUMFMT, numfmt_cleanup); 973 gService = new ICUNumberFormatService(); 974} 975 976static ICULocaleService* 977getNumberFormatService(void) 978{ 979 umtx_initOnce(gServiceInitOnce, &initNumberFormatService); 980 return gService; 981} 982 983static UBool haveService() { 984 return !gServiceInitOnce.isReset() && (getNumberFormatService() != NULL); 985} 986 987// ------------------------------------- 988 989URegistryKey U_EXPORT2 990NumberFormat::registerFactory(NumberFormatFactory* toAdopt, UErrorCode& status) 991{ 992 ICULocaleService *service = getNumberFormatService(); 993 if (service) { 994 NFFactory *tempnnf = new NFFactory(toAdopt); 995 if (tempnnf != NULL) { 996 return service->registerFactory(tempnnf, status); 997 } 998 } 999 status = U_MEMORY_ALLOCATION_ERROR; 1000 return NULL; 1001} 1002 1003// ------------------------------------- 1004 1005UBool U_EXPORT2 1006NumberFormat::unregister(URegistryKey key, UErrorCode& status) 1007{ 1008 if (U_FAILURE(status)) { 1009 return FALSE; 1010 } 1011 if (haveService()) { 1012 return gService->unregister(key, status); 1013 } else { 1014 status = U_ILLEGAL_ARGUMENT_ERROR; 1015 return FALSE; 1016 } 1017} 1018 1019// ------------------------------------- 1020StringEnumeration* U_EXPORT2 1021NumberFormat::getAvailableLocales(void) 1022{ 1023 ICULocaleService *service = getNumberFormatService(); 1024 if (service) { 1025 return service->getAvailableLocales(); 1026 } 1027 return NULL; // no way to return error condition 1028} 1029#endif /* UCONFIG_NO_SERVICE */ 1030// ------------------------------------- 1031 1032enum { kKeyValueLenMax = 32 }; 1033 1034NumberFormat* 1035NumberFormat::internalCreateInstance(const Locale& loc, UNumberFormatStyle kind, UErrorCode& status) { 1036 if (kind == UNUM_CURRENCY) { 1037 char cfKeyValue[kKeyValueLenMax] = {0}; 1038 UErrorCode kvStatus = U_ZERO_ERROR; 1039 int32_t kLen = loc.getKeywordValue("cf", cfKeyValue, kKeyValueLenMax, kvStatus); 1040 if (U_SUCCESS(kvStatus) && kLen > 0 && uprv_strcmp(cfKeyValue,"account")==0) { 1041 kind = UNUM_CURRENCY_ACCOUNTING; 1042 } 1043 } 1044#if !UCONFIG_NO_SERVICE 1045 if (haveService()) { 1046 return (NumberFormat*)gService->get(loc, kind, status); 1047 } 1048#endif 1049 return makeInstance(loc, kind, status); 1050} 1051 1052NumberFormat* U_EXPORT2 1053NumberFormat::createInstance(const Locale& loc, UNumberFormatStyle kind, UErrorCode& status) { 1054 if (kind != UNUM_DECIMAL) { 1055 return internalCreateInstance(loc, kind, status); 1056 } 1057 const SharedNumberFormat *shared = createSharedInstance(loc, kind, status); 1058 if (U_FAILURE(status)) { 1059 return NULL; 1060 } 1061 NumberFormat *result = static_cast<NumberFormat *>((*shared)->clone()); 1062 shared->removeRef(); 1063 if (result == NULL) { 1064 status = U_MEMORY_ALLOCATION_ERROR; 1065 } 1066 return result; 1067} 1068 1069 1070// ------------------------------------- 1071// Checks if the thousand/10 thousand grouping is used in the 1072// NumberFormat instance. 1073 1074UBool 1075NumberFormat::isGroupingUsed() const 1076{ 1077 return fGroupingUsed; 1078} 1079 1080// ------------------------------------- 1081// Sets to use the thousand/10 thousand grouping in the 1082// NumberFormat instance. 1083 1084void 1085NumberFormat::setGroupingUsed(UBool newValue) 1086{ 1087 fGroupingUsed = newValue; 1088} 1089 1090// ------------------------------------- 1091// Gets the maximum number of digits for the integral part for 1092// this NumberFormat instance. 1093 1094int32_t NumberFormat::getMaximumIntegerDigits() const 1095{ 1096 return fMaxIntegerDigits; 1097} 1098 1099// ------------------------------------- 1100// Sets the maximum number of digits for the integral part for 1101// this NumberFormat instance. 1102 1103void 1104NumberFormat::setMaximumIntegerDigits(int32_t newValue) 1105{ 1106 fMaxIntegerDigits = uprv_max(0, uprv_min(newValue, gDefaultMaxIntegerDigits)); 1107 if(fMinIntegerDigits > fMaxIntegerDigits) 1108 fMinIntegerDigits = fMaxIntegerDigits; 1109} 1110 1111// ------------------------------------- 1112// Gets the minimum number of digits for the integral part for 1113// this NumberFormat instance. 1114 1115int32_t 1116NumberFormat::getMinimumIntegerDigits() const 1117{ 1118 return fMinIntegerDigits; 1119} 1120 1121// ------------------------------------- 1122// Sets the minimum number of digits for the integral part for 1123// this NumberFormat instance. 1124 1125void 1126NumberFormat::setMinimumIntegerDigits(int32_t newValue) 1127{ 1128 fMinIntegerDigits = uprv_max(0, uprv_min(newValue, gDefaultMinIntegerDigits)); 1129 if(fMinIntegerDigits > fMaxIntegerDigits) 1130 fMaxIntegerDigits = fMinIntegerDigits; 1131} 1132 1133// ------------------------------------- 1134// Gets the maximum number of digits for the fractional part for 1135// this NumberFormat instance. 1136 1137int32_t 1138NumberFormat::getMaximumFractionDigits() const 1139{ 1140 return fMaxFractionDigits; 1141} 1142 1143// ------------------------------------- 1144// Sets the maximum number of digits for the fractional part for 1145// this NumberFormat instance. 1146 1147void 1148NumberFormat::setMaximumFractionDigits(int32_t newValue) 1149{ 1150 fMaxFractionDigits = uprv_max(0, uprv_min(newValue, gDefaultMaxIntegerDigits)); 1151 if(fMaxFractionDigits < fMinFractionDigits) 1152 fMinFractionDigits = fMaxFractionDigits; 1153} 1154 1155// ------------------------------------- 1156// Gets the minimum number of digits for the fractional part for 1157// this NumberFormat instance. 1158 1159int32_t 1160NumberFormat::getMinimumFractionDigits() const 1161{ 1162 return fMinFractionDigits; 1163} 1164 1165// ------------------------------------- 1166// Sets the minimum number of digits for the fractional part for 1167// this NumberFormat instance. 1168 1169void 1170NumberFormat::setMinimumFractionDigits(int32_t newValue) 1171{ 1172 fMinFractionDigits = uprv_max(0, uprv_min(newValue, gDefaultMinIntegerDigits)); 1173 if (fMaxFractionDigits < fMinFractionDigits) 1174 fMaxFractionDigits = fMinFractionDigits; 1175} 1176 1177// ------------------------------------- 1178 1179void NumberFormat::setCurrency(const UChar* theCurrency, UErrorCode& ec) { 1180 if (U_FAILURE(ec)) { 1181 return; 1182 } 1183 if (theCurrency) { 1184 u_strncpy(fCurrency, theCurrency, 3); 1185 fCurrency[3] = 0; 1186 } else { 1187 fCurrency[0] = 0; 1188 } 1189} 1190 1191const UChar* NumberFormat::getCurrency() const { 1192 return fCurrency; 1193} 1194 1195void NumberFormat::getEffectiveCurrency(UChar* result, UErrorCode& ec) const { 1196 const UChar* c = getCurrency(); 1197 if (*c != 0) { 1198 u_strncpy(result, c, 3); 1199 result[3] = 0; 1200 } else { 1201 const char* loc = getLocaleID(ULOC_VALID_LOCALE, ec); 1202 if (loc == NULL) { 1203 loc = uloc_getDefault(); 1204 } 1205 ucurr_forLocale(loc, result, 4, &ec); 1206 } 1207} 1208 1209//---------------------------------------------------------------------- 1210 1211 1212void NumberFormat::setContext(UDisplayContext value, UErrorCode& status) 1213{ 1214 if (U_FAILURE(status)) 1215 return; 1216 if ( (UDisplayContextType)((uint32_t)value >> 8) == UDISPCTX_TYPE_CAPITALIZATION ) { 1217 fCapitalizationContext = value; 1218 } else { 1219 status = U_ILLEGAL_ARGUMENT_ERROR; 1220 } 1221} 1222 1223 1224UDisplayContext NumberFormat::getContext(UDisplayContextType type, UErrorCode& status) const 1225{ 1226 if (U_FAILURE(status)) 1227 return (UDisplayContext)0; 1228 if (type != UDISPCTX_TYPE_CAPITALIZATION) { 1229 status = U_ILLEGAL_ARGUMENT_ERROR; 1230 return (UDisplayContext)0; 1231 } 1232 return fCapitalizationContext; 1233} 1234 1235 1236// ------------------------------------- 1237// Creates the NumberFormat instance of the specified style (number, currency, 1238// or percent) for the desired locale. 1239 1240static void U_CALLCONV nscacheInit() { 1241 U_ASSERT(NumberingSystem_cache == NULL); 1242 ucln_i18n_registerCleanup(UCLN_I18N_NUMFMT, numfmt_cleanup); 1243 UErrorCode status = U_ZERO_ERROR; 1244 NumberingSystem_cache = uhash_open(uhash_hashLong, 1245 uhash_compareLong, 1246 NULL, 1247 &status); 1248 if (U_FAILURE(status)) { 1249 // Number Format code will run with no cache if creation fails. 1250 NumberingSystem_cache = NULL; 1251 return; 1252 } 1253 uhash_setValueDeleter(NumberingSystem_cache, deleteNumberingSystem); 1254} 1255 1256template<> U_I18N_API 1257const SharedNumberFormat *LocaleCacheKey<SharedNumberFormat>::createObject( 1258 const void * /*unused*/, UErrorCode &status) const { 1259 const char *localeId = fLoc.getName(); 1260 NumberFormat *nf = NumberFormat::internalCreateInstance( 1261 localeId, UNUM_DECIMAL, status); 1262 if (U_FAILURE(status)) { 1263 return NULL; 1264 } 1265 SharedNumberFormat *result = new SharedNumberFormat(nf); 1266 if (result == NULL) { 1267 status = U_MEMORY_ALLOCATION_ERROR; 1268 delete nf; 1269 return NULL; 1270 } 1271 result->addRef(); 1272 return result; 1273} 1274 1275const SharedNumberFormat* U_EXPORT2 1276NumberFormat::createSharedInstance(const Locale& loc, UNumberFormatStyle kind, UErrorCode& status) { 1277 if (U_FAILURE(status)) { 1278 return NULL; 1279 } 1280 if (kind != UNUM_DECIMAL) { 1281 status = U_UNSUPPORTED_ERROR; 1282 return NULL; 1283 } 1284 const SharedNumberFormat *result = NULL; 1285 UnifiedCache::getByLocale(loc, result, status); 1286 return result; 1287} 1288 1289UBool 1290NumberFormat::isStyleSupported(UNumberFormatStyle style) { 1291 return gLastResortNumberPatterns[style] != NULL; 1292} 1293 1294NumberFormat* 1295NumberFormat::makeInstance(const Locale& desiredLocale, 1296 UNumberFormatStyle style, 1297 UErrorCode& status) { 1298 return makeInstance(desiredLocale, style, false, status); 1299} 1300 1301NumberFormat* 1302NumberFormat::makeInstance(const Locale& desiredLocale, 1303 UNumberFormatStyle style, 1304 UBool mustBeDecimalFormat, 1305 UErrorCode& status) { 1306 if (U_FAILURE(status)) return NULL; 1307 1308 if (style < 0 || style >= UNUM_FORMAT_STYLE_COUNT) { 1309 status = U_ILLEGAL_ARGUMENT_ERROR; 1310 return NULL; 1311 } 1312 1313 // Some styles are not supported. This is a result of merging 1314 // the @draft ICU 4.2 NumberFormat::EStyles into the long-existing UNumberFormatStyle. 1315 // Ticket #8503 is for reviewing/fixing/merging the two relevant implementations: 1316 // this one and unum_open(). 1317 // The UNUM_PATTERN_ styles are not supported here 1318 // because this method does not take a pattern string. 1319 if (!isStyleSupported(style)) { 1320 status = U_UNSUPPORTED_ERROR; 1321 return NULL; 1322 } 1323 1324#if U_PLATFORM_USES_ONLY_WIN32_API 1325 if (!mustBeDecimalFormat) { 1326 char buffer[8]; 1327 int32_t count = desiredLocale.getKeywordValue("compat", buffer, sizeof(buffer), status); 1328 1329 // if the locale has "@compat=host", create a host-specific NumberFormat 1330 if (U_SUCCESS(status) && count > 0 && uprv_strcmp(buffer, "host") == 0) { 1331 Win32NumberFormat *f = NULL; 1332 UBool curr = TRUE; 1333 1334 switch (style) { 1335 case UNUM_DECIMAL: 1336 curr = FALSE; 1337 // fall-through 1338 1339 case UNUM_CURRENCY: 1340 case UNUM_CURRENCY_ISO: // do not support plural formatting here 1341 case UNUM_CURRENCY_PLURAL: 1342 case UNUM_CURRENCY_ACCOUNTING: 1343 case UNUM_CASH_CURRENCY: 1344 case UNUM_CURRENCY_STANDARD: 1345 f = new Win32NumberFormat(desiredLocale, curr, status); 1346 1347 if (U_SUCCESS(status)) { 1348 return f; 1349 } 1350 1351 delete f; 1352 break; 1353 default: 1354 break; 1355 } 1356 } 1357 } 1358#endif 1359 // Use numbering system cache hashtable 1360 umtx_initOnce(gNSCacheInitOnce, &nscacheInit); 1361 1362 // Get cached numbering system 1363 LocalPointer<NumberingSystem> ownedNs; 1364 NumberingSystem *ns = NULL; 1365 if (NumberingSystem_cache != NULL) { 1366 // TODO: Bad hash key usage, see ticket #8504. 1367 int32_t hashKey = desiredLocale.hashCode(); 1368 1369 Mutex lock(&nscacheMutex); 1370 ns = (NumberingSystem *)uhash_iget(NumberingSystem_cache, hashKey); 1371 if (ns == NULL) { 1372 ns = NumberingSystem::createInstance(desiredLocale,status); 1373 uhash_iput(NumberingSystem_cache, hashKey, (void*)ns, &status); 1374 } 1375 } else { 1376 ownedNs.adoptInstead(NumberingSystem::createInstance(desiredLocale,status)); 1377 ns = ownedNs.getAlias(); 1378 } 1379 1380 // check results of getting a numbering system 1381 if (U_FAILURE(status)) { 1382 return NULL; 1383 } 1384 1385 if (mustBeDecimalFormat && ns->isAlgorithmic()) { 1386 status = U_UNSUPPORTED_ERROR; 1387 return NULL; 1388 } 1389 1390 LocalPointer<DecimalFormatSymbols> symbolsToAdopt; 1391 UnicodeString pattern; 1392 LocalUResourceBundlePointer ownedResource(ures_open(NULL, desiredLocale.getName(), &status)); 1393 if (U_FAILURE(status)) { 1394 return NULL; 1395 } 1396 else { 1397 // Loads the decimal symbols of the desired locale. 1398 symbolsToAdopt.adoptInsteadAndCheckErrorCode(new DecimalFormatSymbols(desiredLocale, status), status); 1399 if (U_FAILURE(status)) { 1400 return NULL; 1401 } 1402 1403 UResourceBundle *resource = ownedResource.orphan(); 1404 UResourceBundle *numElements = ures_getByKeyWithFallback(resource, gNumberElements, NULL, &status); 1405 resource = ures_getByKeyWithFallback(numElements, ns->getName(), resource, &status); 1406 resource = ures_getByKeyWithFallback(resource, gPatterns, resource, &status); 1407 ownedResource.adoptInstead(resource); 1408 1409 int32_t patLen = 0; 1410 const UChar *patResStr = ures_getStringByKeyWithFallback(resource, gFormatKeys[style], &patLen, &status); 1411 1412 // Didn't find a pattern specific to the numbering system, so fall back to "latn" 1413 if ( status == U_MISSING_RESOURCE_ERROR && uprv_strcmp(gLatn,ns->getName())) { 1414 status = U_ZERO_ERROR; 1415 resource = ures_getByKeyWithFallback(numElements, gLatn, resource, &status); 1416 resource = ures_getByKeyWithFallback(resource, gPatterns, resource, &status); 1417 patResStr = ures_getStringByKeyWithFallback(resource, gFormatKeys[style], &patLen, &status); 1418 } 1419 1420 ures_close(numElements); 1421 1422 // Creates the specified decimal format style of the desired locale. 1423 pattern.setTo(TRUE, patResStr, patLen); 1424 } 1425 if (U_FAILURE(status)) { 1426 return NULL; 1427 } 1428 if(style==UNUM_CURRENCY || style == UNUM_CURRENCY_ISO || style == UNUM_CURRENCY_ACCOUNTING 1429 || style == UNUM_CASH_CURRENCY || style == UNUM_CURRENCY_STANDARD){ 1430 const UChar* currPattern = symbolsToAdopt->getCurrencyPattern(); 1431 if(currPattern!=NULL){ 1432 pattern.setTo(currPattern, u_strlen(currPattern)); 1433 } 1434 } 1435 1436 1437 NumberFormat *f; 1438 if (ns->isAlgorithmic()) { 1439 UnicodeString nsDesc; 1440 UnicodeString nsRuleSetGroup; 1441 UnicodeString nsRuleSetName; 1442 Locale nsLoc; 1443 URBNFRuleSetTag desiredRulesType = URBNF_NUMBERING_SYSTEM; 1444 1445 nsDesc.setTo(ns->getDescription()); 1446 int32_t firstSlash = nsDesc.indexOf(gSlash); 1447 int32_t lastSlash = nsDesc.lastIndexOf(gSlash); 1448 if ( lastSlash > firstSlash ) { 1449 CharString nsLocID; 1450 1451 nsLocID.appendInvariantChars(nsDesc.tempSubString(0, firstSlash), status); 1452 nsRuleSetGroup.setTo(nsDesc,firstSlash+1,lastSlash-firstSlash-1); 1453 nsRuleSetName.setTo(nsDesc,lastSlash+1); 1454 1455 nsLoc = Locale::createFromName(nsLocID.data()); 1456 1457 UnicodeString SpelloutRules = UNICODE_STRING_SIMPLE("SpelloutRules"); 1458 if ( nsRuleSetGroup.compare(SpelloutRules) == 0 ) { 1459 desiredRulesType = URBNF_SPELLOUT; 1460 } 1461 } else { 1462 nsLoc = desiredLocale; 1463 nsRuleSetName.setTo(nsDesc); 1464 } 1465 1466 RuleBasedNumberFormat *r = new RuleBasedNumberFormat(desiredRulesType,nsLoc,status); 1467 if (r == NULL) { 1468 status = U_MEMORY_ALLOCATION_ERROR; 1469 return NULL; 1470 } 1471 r->setDefaultRuleSet(nsRuleSetName,status); 1472 f = r; 1473 } else { 1474 // replace single currency sign in the pattern with double currency sign 1475 // if the style is UNUM_CURRENCY_ISO 1476 if (style == UNUM_CURRENCY_ISO) { 1477 pattern.findAndReplace(UnicodeString(TRUE, gSingleCurrencySign, 1), 1478 UnicodeString(TRUE, gDoubleCurrencySign, 2)); 1479 } 1480 1481 // "new DecimalFormat()" does not adopt the symbols if its memory allocation fails. 1482 DecimalFormatSymbols *syms = symbolsToAdopt.orphan(); 1483 DecimalFormat* df = new DecimalFormat(pattern, syms, style, status); 1484 1485 // if it is cash currency style, setCurrencyUsage with usage 1486 if (style == UNUM_CASH_CURRENCY){ 1487 df->setCurrencyUsage(UCURR_USAGE_CASH, &status); 1488 } 1489 1490 if (U_FAILURE(status)) { 1491 delete df; 1492 return NULL; 1493 } 1494 1495 f = df; 1496 if (f == NULL) { 1497 delete syms; 1498 status = U_MEMORY_ALLOCATION_ERROR; 1499 return NULL; 1500 } 1501 } 1502 1503 f->setLocaleIDs(ures_getLocaleByType(ownedResource.getAlias(), ULOC_VALID_LOCALE, &status), 1504 ures_getLocaleByType(ownedResource.getAlias(), ULOC_ACTUAL_LOCALE, &status)); 1505 if (U_FAILURE(status)) { 1506 delete f; 1507 return NULL; 1508 } 1509 return f; 1510} 1511 1512U_NAMESPACE_END 1513 1514#endif /* #if !UCONFIG_NO_FORMATTING */ 1515 1516//eof 1517