icuSources/i18n/dcfmtsym.cpp

   1 /*
   2 *******************************************************************************
   3 * Copyright (C) 1997-2015, International Business Machines Corporation and
   4 * others. All Rights Reserved.
   5 *******************************************************************************
   6 *
   7 * File DCFMTSYM.CPP
   8 *
   9 * Modification History:
  10 *
  11 *   Date        Name        Description
  12 *   02/19/97    aliu        Converted from java.
  13 *   03/18/97    clhuang     Implemented with C++ APIs.
  14 *   03/27/97    helena      Updated to pass the simple test after code review.
  15 *   08/26/97    aliu        Added currency/intl currency symbol support.
  16 *   07/20/98    stephen     Slightly modified initialization of monetarySeparator
  17 ********************************************************************************
  18 */
  19
  20 #include "unicode/utypes.h"
  21
  22 #if !UCONFIG_NO_FORMATTING
  23
  24 #include "unicode/dcfmtsym.h"
  25 #include "unicode/ures.h"
  26 #include "unicode/decimfmt.h"
  27 #include "unicode/ucurr.h"
  28 #include "unicode/choicfmt.h"
  29 #include "unicode/unistr.h"
  30 #include "unicode/numsys.h"
  31 #include "unicode/unum.h"
  32 #include "unicode/utf16.h"
  33 #include "ucurrimp.h"
  34 #include "cstring.h"
  35 #include "locbased.h"
  36 #include "uresimp.h"
  37 #include "ureslocs.h"
  38
  39 // *****************************************************************************
  40 // class DecimalFormatSymbols
  41 // *****************************************************************************
  42
  43 U_NAMESPACE_BEGIN
  44
  45 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DecimalFormatSymbols)
  46
  47 static const char gNumberElements[] = "NumberElements";
  48 static const char gCurrencySpacingTag[] = "currencySpacing";
  49 static const char gBeforeCurrencyTag[] = "beforeCurrency";
  50 static const char gAfterCurrencyTag[] = "afterCurrency";
  51 static const char gCurrencyMatchTag[] = "currencyMatch";
  52 static const char gCurrencySudMatchTag[] = "surroundingMatch";
  53 static const char gCurrencyInsertBtnTag[] = "insertBetween";
  54
  55
  56 static const UChar INTL_CURRENCY_SYMBOL_STR[] = {0xa4, 0xa4, 0};
  57
  58 // -------------------------------------
  59 // Initializes this with the decimal format symbols in the default locale.
  60
  61 DecimalFormatSymbols::DecimalFormatSymbols(UErrorCode& status)
  62     : UObject(),
  63     locale()
  64 {
  65     initialize(locale, status, TRUE);
  66 }
  67
  68 // -------------------------------------
  69 // Initializes this with the decimal format symbols in the desired locale.
  70
  71 DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, UErrorCode& status)
  72     : UObject(),
  73     locale(loc)
  74 {
  75     initialize(locale, status);
  76 }
  77
  78 DecimalFormatSymbols::DecimalFormatSymbols()
  79         : UObject(),
  80           locale(Locale::getRoot()),
  81           currPattern(NULL) {
  82     *validLocale = *actualLocale = 0;
  83     initialize();
  84 }
  85
  86 DecimalFormatSymbols*
  87 DecimalFormatSymbols::createWithLastResortData(UErrorCode& status) {
  88     if (U_FAILURE(status)) { return NULL; }
  89     DecimalFormatSymbols* sym = new DecimalFormatSymbols();
  90     if (sym == NULL) {
  91         status = U_MEMORY_ALLOCATION_ERROR;
  92     }
  93     return sym;
  94 }
  95
  96 // -------------------------------------
  97
  98 DecimalFormatSymbols::~DecimalFormatSymbols()
  99 {
 100 }
 101
 102 // -------------------------------------
 103 // copy constructor
 104
 105 DecimalFormatSymbols::DecimalFormatSymbols(const DecimalFormatSymbols &source)
 106     : UObject(source)
 107 {
 108     *this = source;
 109 }
 110
 111 // -------------------------------------
 112 // assignment operator
 113
 114 DecimalFormatSymbols&
 115 DecimalFormatSymbols::operator=(const DecimalFormatSymbols& rhs)
 116 {
 117     if (this != &rhs) {
 118         for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
 119             // fastCopyFrom is safe, see docs on fSymbols
 120             fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(rhs.fSymbols[(ENumberFormatSymbol)i]);
 121         }
 122         for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
 123             currencySpcBeforeSym[i].fastCopyFrom(rhs.currencySpcBeforeSym[i]);
 124             currencySpcAfterSym[i].fastCopyFrom(rhs.currencySpcAfterSym[i]);
 125         }
 126         locale = rhs.locale;
 127         uprv_strcpy(validLocale, rhs.validLocale);
 128         uprv_strcpy(actualLocale, rhs.actualLocale);
 129         fIsCustomCurrencySymbol = rhs.fIsCustomCurrencySymbol;
 130         fIsCustomIntlCurrencySymbol = rhs.fIsCustomIntlCurrencySymbol;
 131     }
 132     return *this;
 133 }
 134
 135 // -------------------------------------
 136
 137 UBool
 138 DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
 139 {
 140     if (this == &that) {
 141         return TRUE;
 142     }
 143     if (fIsCustomCurrencySymbol != that.fIsCustomCurrencySymbol) {
 144         return FALSE;
 145     }
 146     if (fIsCustomIntlCurrencySymbol != that.fIsCustomIntlCurrencySymbol) {
 147         return FALSE;
 148     }
 149     for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
 150         if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
 151             return FALSE;
 152         }
 153     }
 154     for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
 155         if(currencySpcBeforeSym[i] != that.currencySpcBeforeSym[i]) {
 156             return FALSE;
 157         }
 158         if(currencySpcAfterSym[i] != that.currencySpcAfterSym[i]) {
 159             return FALSE;
 160         }
 161     }
 162     return locale == that.locale &&
 163         uprv_strcmp(validLocale, that.validLocale) == 0 &&
 164         uprv_strcmp(actualLocale, that.actualLocale) == 0;
 165 }
 166
 167 // -------------------------------------
 168
 169 void
 170 DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status, UBool useLastResortData)
 171 {
 172     static const char *gNumberElementKeys[kFormatSymbolCount] = {
 173         "decimal",
 174         "group",
 175         "list",
 176         "percentSign",
 177         NULL, /* Native zero digit is deprecated from CLDR - get it from the numbering system */
 178         NULL, /* Pattern digit character is deprecated from CLDR - use # by default always */
 179         "minusSign",
 180         "plusSign",
 181         NULL, /* currency symbol - We don't really try to load this directly from CLDR until we know the currency */
 182         NULL, /* intl currency symbol - We don't really try to load this directly from CLDR until we know the currency */
 183         "currencyDecimal",
 184         "exponential",
 185         "perMille",
 186         NULL, /* Escape padding character - not in CLDR */
 187         "infinity",
 188         "nan",
 189         NULL, /* Significant digit symbol - not in CLDR */
 190         "currencyGroup",
 191         NULL, /* one digit - get it from the numbering system */
 192         NULL, /* two digit - get it from the numbering system */
 193         NULL, /* three digit - get it from the numbering system */
 194         NULL, /* four digit - get it from the numbering system */
 195         NULL, /* five digit - get it from the numbering system */
 196         NULL, /* six digit - get it from the numbering system */
 197         NULL, /* seven digit - get it from the numbering system */
 198         NULL, /* eight digit - get it from the numbering system */
 199         NULL, /* nine digit - get it from the numbering system */
 200         "superscriptingExponent", /* Multiplication (x) symbol for exponents */
 201     };
 202
 203     static const char *gLatn =  "latn";
 204     static const char *gSymbols = "symbols";
 205     const char *nsName;
 206     const UChar *sym = NULL;
 207     int32_t len = 0;
 208
 209     *validLocale = *actualLocale = 0;
 210     currPattern = NULL;
 211     if (U_FAILURE(status))
 212         return;
 213
 214     const char* locStr = loc.getName();
 215     LocalUResourceBundlePointer resource(ures_open(NULL, locStr, &status));
 216     LocalUResourceBundlePointer numberElementsRes(
 217         ures_getByKeyWithFallback(resource.getAlias(), gNumberElements, NULL, &status));
 218
 219     if (U_FAILURE(status)) {
 220         if ( useLastResortData ) {
 221             status = U_USING_DEFAULT_WARNING;
 222             initialize();
 223         }
 224         return;
 225     }
 226
 227     // First initialize all the symbols to the fallbacks for anything we can't find
 228     initialize();
 229
 230     //
 231     // Next get the numbering system for this locale and set zero digit
 232     // and the digit string based on the numbering system for the locale
 233     //
 234
 235     LocalPointer<NumberingSystem> ns(NumberingSystem::createInstance(loc, status));
 236     if (U_SUCCESS(status) && ns->getRadix() == 10 && !ns->isAlgorithmic()) {
 237         nsName = ns->getName();
 238         UnicodeString digitString(ns->getDescription());
 239         int32_t digitIndex = 0;
 240         UChar32 digit = digitString.char32At(0);
 241         fSymbols[kZeroDigitSymbol].setTo(digit);
 242         for (int32_t i = kOneDigitSymbol; i <= kNineDigitSymbol; ++i) {
 243             digitIndex += U16_LENGTH(digit);
 244             digit = digitString.char32At(digitIndex);
 245             fSymbols[i].setTo(digit);
 246         }
 247     } else {
 248         nsName = gLatn;
 249     }
 250
 251     UBool isLatn = !uprv_strcmp(nsName,gLatn);
 252
 253     UErrorCode nlStatus = U_ZERO_ERROR;
 254     LocalUResourceBundlePointer nonLatnSymbols;
 255     if ( !isLatn ) {
 256         nonLatnSymbols.adoptInstead(
 257             ures_getByKeyWithFallback(numberElementsRes.getAlias(), nsName, NULL, &nlStatus));
 258         ures_getByKeyWithFallback(nonLatnSymbols.getAlias(), gSymbols, nonLatnSymbols.getAlias(), &nlStatus);
 259     }
 260
 261     LocalUResourceBundlePointer latnSymbols(
 262         ures_getByKeyWithFallback(numberElementsRes.getAlias(), gLatn, NULL, &status));
 263     ures_getByKeyWithFallback(latnSymbols.getAlias(), gSymbols, latnSymbols.getAlias(), &status);
 264
 265     UBool kMonetaryDecimalSet = FALSE;
 266     UBool kMonetaryGroupingSet = FALSE;
 267     for(int32_t i = 0; i<kFormatSymbolCount; i++) {
 268         if ( gNumberElementKeys[i] != NULL ) {
 269             UErrorCode localStatus = U_ZERO_ERROR;
 270             if ( !isLatn ) {
 271                 sym = ures_getStringByKeyWithFallback(nonLatnSymbols.getAlias(),
 272                                                       gNumberElementKeys[i], &len, &localStatus);
 273                 // If we can't find the symbol in the numbering system specific resources,
 274                 // use the "latn" numbering system as the fallback.
 275                 if ( U_FAILURE(localStatus) ) {
 276                     localStatus = U_ZERO_ERROR;
 277                     sym = ures_getStringByKeyWithFallback(latnSymbols.getAlias(),
 278                                                           gNumberElementKeys[i], &len, &localStatus);
 279                 }
 280             } else {
 281                     sym = ures_getStringByKeyWithFallback(latnSymbols.getAlias(),
 282                                                           gNumberElementKeys[i], &len, &localStatus);
 283             }
 284
 285             if ( U_SUCCESS(localStatus) ) {
 286                 setSymbol((ENumberFormatSymbol)i, UnicodeString(TRUE, sym, len));
 287                 if ( i == kMonetarySeparatorSymbol ) {
 288                     kMonetaryDecimalSet = TRUE;
 289                 } else if ( i == kMonetaryGroupingSeparatorSymbol ) {
 290                     kMonetaryGroupingSet = TRUE;
 291                 }
 292             }
 293         }
 294     }
 295
 296     // If monetary decimal or grouping were not explicitly set, then set them to be the
 297     // same as their non-monetary counterparts.
 298
 299     if ( !kMonetaryDecimalSet ) {
 300         setSymbol(kMonetarySeparatorSymbol,fSymbols[kDecimalSeparatorSymbol]);
 301     }
 302     if ( !kMonetaryGroupingSet ) {
 303         setSymbol(kMonetaryGroupingSeparatorSymbol,fSymbols[kGroupingSeparatorSymbol]);
 304     }
 305
 306     // Obtain currency data from the currency API.  This is strictly
 307     // for backward compatibility; we don't use DecimalFormatSymbols
 308     // for currency data anymore.
 309     UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
 310     UChar curriso[4];
 311     UnicodeString tempStr;
 312     ucurr_forLocale(locStr, curriso, 4, &internalStatus);
 313
 314     uprv_getStaticCurrencyName(curriso, locStr, tempStr, internalStatus);
 315     if (U_SUCCESS(internalStatus)) {
 316         fSymbols[kIntlCurrencySymbol].setTo(curriso, -1);
 317         fSymbols[kCurrencySymbol] = tempStr;
 318     }
 319     /* else use the default values. */
 320
 321     U_LOCALE_BASED(locBased, *this);
 322     locBased.setLocaleIDs(ures_getLocaleByType(numberElementsRes.getAlias(),
 323                                                ULOC_VALID_LOCALE, &status),
 324                           ures_getLocaleByType(numberElementsRes.getAlias(),
 325                                                ULOC_ACTUAL_LOCALE, &status));
 326
 327     //load the currency data
 328     UChar ucc[4]={0}; //Currency Codes are always 3 chars long
 329     int32_t uccLen = 4;
 330     const char* locName = loc.getName();
 331     UErrorCode localStatus = U_ZERO_ERROR;
 332     uccLen = ucurr_forLocale(locName, ucc, uccLen, &localStatus);
 333
 334     if(U_SUCCESS(localStatus) && uccLen > 0) {
 335         char cc[4]={0};
 336         u_UCharsToChars(ucc, cc, uccLen);
 337         /* An explicit currency was requested */
 338         LocalUResourceBundlePointer currencyResource(ures_open(U_ICUDATA_CURR, locStr, &localStatus));
 339         LocalUResourceBundlePointer currency(
 340             ures_getByKeyWithFallback(currencyResource.getAlias(), "Currencies", NULL, &localStatus));
 341         ures_getByKeyWithFallback(currency.getAlias(), cc, currency.getAlias(), &localStatus);
 342         if(U_SUCCESS(localStatus) && ures_getSize(currency.getAlias())>2) { // the length is 3 if more data is present
 343             ures_getByIndex(currency.getAlias(), 2, currency.getAlias(), &localStatus);
 344             int32_t currPatternLen = 0;
 345             currPattern =
 346                 ures_getStringByIndex(currency.getAlias(), (int32_t)0, &currPatternLen, &localStatus);
 347             UnicodeString decimalSep =
 348                 ures_getUnicodeStringByIndex(currency.getAlias(), (int32_t)1, &localStatus);
 349             UnicodeString groupingSep =
 350                 ures_getUnicodeStringByIndex(currency.getAlias(), (int32_t)2, &localStatus);
 351             if(U_SUCCESS(localStatus)){
 352                 fSymbols[kMonetaryGroupingSeparatorSymbol] = groupingSep;
 353                 fSymbols[kMonetarySeparatorSymbol] = decimalSep;
 354                 //pattern.setTo(TRUE, currPattern, currPatternLen);
 355                 status = localStatus;
 356             }
 357         }
 358         /* else An explicit currency was requested and is unknown or locale data is malformed. */
 359         /* ucurr_* API will get the correct value later on. */
 360     }
 361         // else ignore the error if no currency
 362
 363     // Currency Spacing.
 364     localStatus = U_ZERO_ERROR;
 365     LocalUResourceBundlePointer currencyResource(ures_open(U_ICUDATA_CURR, locStr, &localStatus));
 366     LocalUResourceBundlePointer currencySpcRes(
 367         ures_getByKeyWithFallback(currencyResource.getAlias(),
 368                                   gCurrencySpacingTag, NULL, &localStatus));
 369
 370     if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 371         const char* keywords[UNUM_CURRENCY_SPACING_COUNT] = {
 372             gCurrencyMatchTag, gCurrencySudMatchTag, gCurrencyInsertBtnTag
 373         };
 374         localStatus = U_ZERO_ERROR;
 375         LocalUResourceBundlePointer dataRes(
 376             ures_getByKeyWithFallback(currencySpcRes.getAlias(),
 377                                       gBeforeCurrencyTag, NULL, &localStatus));
 378         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 379             localStatus = U_ZERO_ERROR;
 380             for (int32_t i = 0; i < UNUM_CURRENCY_SPACING_COUNT; i++) {
 381                 currencySpcBeforeSym[i] =
 382                     ures_getUnicodeStringByKey(dataRes.getAlias(), keywords[i], &localStatus);
 383             }
 384         }
 385         dataRes.adoptInstead(
 386             ures_getByKeyWithFallback(currencySpcRes.getAlias(),
 387                                       gAfterCurrencyTag, NULL, &localStatus));
 388         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 389             localStatus = U_ZERO_ERROR;
 390             for (int32_t i = 0; i < UNUM_CURRENCY_SPACING_COUNT; i++) {
 391                 currencySpcAfterSym[i] =
 392                     ures_getUnicodeStringByKey(dataRes.getAlias(), keywords[i], &localStatus);
 393             }
 394         }
 395     }
 396 }
 397
 398 void
 399 DecimalFormatSymbols::initialize() {
 400     /*
 401      * These strings used to be in static arrays, but the HP/UX aCC compiler
 402      * cannot initialize a static array with class constructors.
 403      *  markus 2000may25
 404      */
 405     fSymbols[kDecimalSeparatorSymbol] = (UChar)0x2e;    // '.' decimal separator
 406     fSymbols[kGroupingSeparatorSymbol].remove();        //     group (thousands) separator
 407     fSymbols[kPatternSeparatorSymbol] = (UChar)0x3b;    // ';' pattern separator
 408     fSymbols[kPercentSymbol] = (UChar)0x25;             // '%' percent sign
 409     fSymbols[kZeroDigitSymbol] = (UChar)0x30;           // '0' native 0 digit
 410     fSymbols[kOneDigitSymbol] = (UChar)0x31;            // '1' native 1 digit
 411     fSymbols[kTwoDigitSymbol] = (UChar)0x32;            // '2' native 2 digit
 412     fSymbols[kThreeDigitSymbol] = (UChar)0x33;          // '3' native 3 digit
 413     fSymbols[kFourDigitSymbol] = (UChar)0x34;           // '4' native 4 digit
 414     fSymbols[kFiveDigitSymbol] = (UChar)0x35;           // '5' native 5 digit
 415     fSymbols[kSixDigitSymbol] = (UChar)0x36;            // '6' native 6 digit
 416     fSymbols[kSevenDigitSymbol] = (UChar)0x37;          // '7' native 7 digit
 417     fSymbols[kEightDigitSymbol] = (UChar)0x38;          // '8' native 8 digit
 418     fSymbols[kNineDigitSymbol] = (UChar)0x39;           // '9' native 9 digit
 419     fSymbols[kDigitSymbol] = (UChar)0x23;               // '#' pattern digit
 420     fSymbols[kPlusSignSymbol] = (UChar)0x002b;          // '+' plus sign
 421     fSymbols[kMinusSignSymbol] = (UChar)0x2d;           // '-' minus sign
 422     fSymbols[kCurrencySymbol] = (UChar)0xa4;            // 'OX' currency symbol
 423     fSymbols[kIntlCurrencySymbol].setTo(TRUE, INTL_CURRENCY_SYMBOL_STR, 2);
 424     fSymbols[kMonetarySeparatorSymbol] = (UChar)0x2e;   // '.' monetary decimal separator
 425     fSymbols[kExponentialSymbol] = (UChar)0x45;         // 'E' exponential
 426     fSymbols[kPerMillSymbol] = (UChar)0x2030;           // '%o' per mill
 427     fSymbols[kPadEscapeSymbol] = (UChar)0x2a;           // '*' pad escape symbol
 428     fSymbols[kInfinitySymbol] = (UChar)0x221e;          // 'oo' infinite
 429     fSymbols[kNaNSymbol] = (UChar)0xfffd;               // SUB NaN
 430     fSymbols[kSignificantDigitSymbol] = (UChar)0x0040;  // '@' significant digit
 431     fSymbols[kMonetaryGroupingSeparatorSymbol].remove(); //
 432     fSymbols[kExponentMultiplicationSymbol] = (UChar)0xd7; // 'x' multiplication symbol for exponents
 433     fIsCustomCurrencySymbol = FALSE;
 434     fIsCustomIntlCurrencySymbol = FALSE;
 435
 436 }
 437
 438 Locale
 439 DecimalFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
 440     U_LOCALE_BASED(locBased, *this);
 441     return locBased.getLocale(type, status);
 442 }
 443
 444 const UnicodeString&
 445 DecimalFormatSymbols::getPatternForCurrencySpacing(UCurrencySpacing type,
 446                                                  UBool beforeCurrency,
 447                                                  UErrorCode& status) const {
 448     if (U_FAILURE(status)) {
 449       return fNoSymbol;  // always empty.
 450     }
 451     if (beforeCurrency) {
 452       return currencySpcBeforeSym[(int32_t)type];
 453     } else {
 454       return currencySpcAfterSym[(int32_t)type];
 455     }
 456 }
 457
 458 void
 459 DecimalFormatSymbols::setPatternForCurrencySpacing(UCurrencySpacing type,
 460                                                    UBool beforeCurrency,
 461                                              const UnicodeString& pattern) {
 462   if (beforeCurrency) {
 463     currencySpcBeforeSym[(int32_t)type] = pattern;
 464   } else {
 465     currencySpcAfterSym[(int32_t)type] =  pattern;
 466   }
 467 }
 468 U_NAMESPACE_END
 469
 470 #endif /* #if !UCONFIG_NO_FORMATTING */
 471
 472 //eof