icuSources/i18n/dcfmtsym.cpp

   1 /*
   2 *******************************************************************************
   3 * Copyright (C) 1997-2013, 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     }
 130     return *this;
 131 }
 132
 133 // -------------------------------------
 134
 135 UBool
 136 DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
 137 {
 138     if (this == &that) {
 139         return TRUE;
 140     }
 141     for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
 142         if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
 143             return FALSE;
 144         }
 145     }
 146     for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
 147         if(currencySpcBeforeSym[i] != that.currencySpcBeforeSym[i]) {
 148             return FALSE;
 149         }
 150         if(currencySpcAfterSym[i] != that.currencySpcAfterSym[i]) {
 151             return FALSE;
 152         }
 153     }
 154     return locale == that.locale &&
 155         uprv_strcmp(validLocale, that.validLocale) == 0 &&
 156         uprv_strcmp(actualLocale, that.actualLocale) == 0;
 157 }
 158
 159 // -------------------------------------
 160
 161 void
 162 DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status, UBool useLastResortData)
 163 {
 164     static const char *gNumberElementKeys[kFormatSymbolCount] = {
 165         "decimal",
 166         "group",
 167         "list",
 168         "percentSign",
 169         NULL, /* Native zero digit is deprecated from CLDR - get it from the numbering system */
 170         NULL, /* Pattern digit character is deprecated from CLDR - use # by default always */
 171         "minusSign",
 172         "plusSign",
 173         NULL, /* currency symbol - We don't really try to load this directly from CLDR until we know the currency */
 174         NULL, /* intl currency symbol - We don't really try to load this directly from CLDR until we know the currency */
 175         "currencyDecimal",
 176         "exponential",
 177         "perMille",
 178         NULL, /* Escape padding character - not in CLDR */
 179         "infinity",
 180         "nan",
 181         NULL, /* Significant digit symbol - not in CLDR */
 182         "currencyGroup",
 183         NULL, /* one digit - get it from the numbering system */
 184         NULL, /* two digit - get it from the numbering system */
 185         NULL, /* three digit - get it from the numbering system */
 186         NULL, /* four digit - get it from the numbering system */
 187         NULL, /* five digit - get it from the numbering system */
 188         NULL, /* six digit - get it from the numbering system */
 189         NULL, /* seven digit - get it from the numbering system */
 190         NULL, /* eight digit - get it from the numbering system */
 191         NULL, /* nine digit - get it from the numbering system */
 192     };
 193
 194     static const char *gLatn =  "latn";
 195     static const char *gSymbols = "symbols";
 196     const char *nsName;
 197     const UChar *sym = NULL;
 198     int32_t len = 0;
 199
 200     *validLocale = *actualLocale = 0;
 201     currPattern = NULL;
 202     if (U_FAILURE(status))
 203         return;
 204
 205     const char* locStr = loc.getName();
 206     LocalUResourceBundlePointer resource(ures_open(NULL, locStr, &status));
 207     LocalUResourceBundlePointer numberElementsRes(
 208         ures_getByKeyWithFallback(resource.getAlias(), gNumberElements, NULL, &status));
 209
 210     if (U_FAILURE(status)) {
 211         if ( useLastResortData ) {
 212             status = U_USING_DEFAULT_WARNING;
 213             initialize();
 214         }
 215         return;
 216     }
 217
 218     // First initialize all the symbols to the fallbacks for anything we can't find
 219     initialize();
 220
 221     //
 222     // Next get the numbering system for this locale and set zero digit
 223     // and the digit string based on the numbering system for the locale
 224     //
 225
 226     LocalPointer<NumberingSystem> ns(NumberingSystem::createInstance(loc, status));
 227     if (U_SUCCESS(status) && ns->getRadix() == 10 && !ns->isAlgorithmic()) {
 228         nsName = ns->getName();
 229         UnicodeString digitString(ns->getDescription());
 230         int32_t digitIndex = 0;
 231         UChar32 digit = digitString.char32At(0);
 232         fSymbols[kZeroDigitSymbol].setTo(digit);
 233         for (int32_t i = kOneDigitSymbol; i <= kNineDigitSymbol; ++i) {
 234             digitIndex += U16_LENGTH(digit);
 235             digit = digitString.char32At(digitIndex);
 236             fSymbols[i].setTo(digit);
 237         }
 238     } else {
 239         nsName = gLatn;
 240     }
 241
 242     UBool isLatn = !uprv_strcmp(nsName,gLatn);
 243
 244     UErrorCode nlStatus = U_ZERO_ERROR;
 245     LocalUResourceBundlePointer nonLatnSymbols;
 246     if ( !isLatn ) {
 247         nonLatnSymbols.adoptInstead(
 248             ures_getByKeyWithFallback(numberElementsRes.getAlias(), nsName, NULL, &nlStatus));
 249         ures_getByKeyWithFallback(nonLatnSymbols.getAlias(), gSymbols, nonLatnSymbols.getAlias(), &nlStatus);
 250     }
 251
 252     LocalUResourceBundlePointer latnSymbols(
 253         ures_getByKeyWithFallback(numberElementsRes.getAlias(), gLatn, NULL, &status));
 254     ures_getByKeyWithFallback(latnSymbols.getAlias(), gSymbols, latnSymbols.getAlias(), &status);
 255
 256     UBool kMonetaryDecimalSet = FALSE;
 257     UBool kMonetaryGroupingSet = FALSE;
 258     for(int32_t i = 0; i<kFormatSymbolCount; i++) {
 259         if ( gNumberElementKeys[i] != NULL ) {
 260             UErrorCode localStatus = U_ZERO_ERROR;
 261             if ( !isLatn ) {
 262                 sym = ures_getStringByKeyWithFallback(nonLatnSymbols.getAlias(),
 263                                                       gNumberElementKeys[i], &len, &localStatus);
 264                 // If we can't find the symbol in the numbering system specific resources,
 265                 // use the "latn" numbering system as the fallback.
 266                 if ( U_FAILURE(localStatus) ) {
 267                     localStatus = U_ZERO_ERROR;
 268                     sym = ures_getStringByKeyWithFallback(latnSymbols.getAlias(),
 269                                                           gNumberElementKeys[i], &len, &localStatus);
 270                 }
 271             } else {
 272                     sym = ures_getStringByKeyWithFallback(latnSymbols.getAlias(),
 273                                                           gNumberElementKeys[i], &len, &localStatus);
 274             }
 275
 276             if ( U_SUCCESS(localStatus) ) {
 277                 setSymbol((ENumberFormatSymbol)i, UnicodeString(TRUE, sym, len));
 278                 if ( i == kMonetarySeparatorSymbol ) {
 279                     kMonetaryDecimalSet = TRUE;
 280                 } else if ( i == kMonetaryGroupingSeparatorSymbol ) {
 281                     kMonetaryGroupingSet = TRUE;
 282                 }
 283             }
 284         }
 285     }
 286
 287     // If monetary decimal or grouping were not explicitly set, then set them to be the
 288     // same as their non-monetary counterparts.
 289
 290     if ( !kMonetaryDecimalSet ) {
 291         setSymbol(kMonetarySeparatorSymbol,fSymbols[kDecimalSeparatorSymbol]);
 292     }
 293     if ( !kMonetaryGroupingSet ) {
 294         setSymbol(kMonetaryGroupingSeparatorSymbol,fSymbols[kGroupingSeparatorSymbol]);
 295     }
 296
 297     // Obtain currency data from the currency API.  This is strictly
 298     // for backward compatibility; we don't use DecimalFormatSymbols
 299     // for currency data anymore.
 300     UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
 301     UChar curriso[4];
 302     UnicodeString tempStr;
 303     ucurr_forLocale(locStr, curriso, 4, &internalStatus);
 304
 305     uprv_getStaticCurrencyName(curriso, locStr, tempStr, internalStatus);
 306     if (U_SUCCESS(internalStatus)) {
 307         fSymbols[kIntlCurrencySymbol].setTo(curriso, -1);
 308         fSymbols[kCurrencySymbol] = tempStr;
 309     }
 310     /* else use the default values. */
 311
 312     U_LOCALE_BASED(locBased, *this);
 313     locBased.setLocaleIDs(ures_getLocaleByType(numberElementsRes.getAlias(),
 314                                                ULOC_VALID_LOCALE, &status),
 315                           ures_getLocaleByType(numberElementsRes.getAlias(),
 316                                                ULOC_ACTUAL_LOCALE, &status));
 317
 318     //load the currency data
 319     UChar ucc[4]={0}; //Currency Codes are always 3 chars long
 320     int32_t uccLen = 4;
 321     const char* locName = loc.getName();
 322     UErrorCode localStatus = U_ZERO_ERROR;
 323     uccLen = ucurr_forLocale(locName, ucc, uccLen, &localStatus);
 324
 325     if(U_SUCCESS(localStatus) && uccLen > 0) {
 326         char cc[4]={0};
 327         u_UCharsToChars(ucc, cc, uccLen);
 328         /* An explicit currency was requested */
 329         LocalUResourceBundlePointer currencyResource(ures_open(U_ICUDATA_CURR, locStr, &localStatus));
 330         LocalUResourceBundlePointer currency(
 331             ures_getByKeyWithFallback(currencyResource.getAlias(), "Currencies", NULL, &localStatus));
 332         ures_getByKeyWithFallback(currency.getAlias(), cc, currency.getAlias(), &localStatus);
 333         if(U_SUCCESS(localStatus) && ures_getSize(currency.getAlias())>2) { // the length is 3 if more data is present
 334             ures_getByIndex(currency.getAlias(), 2, currency.getAlias(), &localStatus);
 335             int32_t currPatternLen = 0;
 336             currPattern =
 337                 ures_getStringByIndex(currency.getAlias(), (int32_t)0, &currPatternLen, &localStatus);
 338             UnicodeString decimalSep =
 339                 ures_getUnicodeStringByIndex(currency.getAlias(), (int32_t)1, &localStatus);
 340             UnicodeString groupingSep =
 341                 ures_getUnicodeStringByIndex(currency.getAlias(), (int32_t)2, &localStatus);
 342             if(U_SUCCESS(localStatus)){
 343                 fSymbols[kMonetaryGroupingSeparatorSymbol] = groupingSep;
 344                 fSymbols[kMonetarySeparatorSymbol] = decimalSep;
 345                 //pattern.setTo(TRUE, currPattern, currPatternLen);
 346                 status = localStatus;
 347             }
 348         }
 349         /* else An explicit currency was requested and is unknown or locale data is malformed. */
 350         /* ucurr_* API will get the correct value later on. */
 351     }
 352         // else ignore the error if no currency
 353
 354     // Currency Spacing.
 355     localStatus = U_ZERO_ERROR;
 356     LocalUResourceBundlePointer currencyResource(ures_open(U_ICUDATA_CURR, locStr, &localStatus));
 357     LocalUResourceBundlePointer currencySpcRes(
 358         ures_getByKeyWithFallback(currencyResource.getAlias(),
 359                                   gCurrencySpacingTag, NULL, &localStatus));
 360
 361     if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 362         const char* keywords[UNUM_CURRENCY_SPACING_COUNT] = {
 363             gCurrencyMatchTag, gCurrencySudMatchTag, gCurrencyInsertBtnTag
 364         };
 365         localStatus = U_ZERO_ERROR;
 366         LocalUResourceBundlePointer dataRes(
 367             ures_getByKeyWithFallback(currencySpcRes.getAlias(),
 368                                       gBeforeCurrencyTag, NULL, &localStatus));
 369         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 370             localStatus = U_ZERO_ERROR;
 371             for (int32_t i = 0; i < UNUM_CURRENCY_SPACING_COUNT; i++) {
 372                 currencySpcBeforeSym[i] =
 373                     ures_getUnicodeStringByKey(dataRes.getAlias(), keywords[i], &localStatus);
 374             }
 375         }
 376         dataRes.adoptInstead(
 377             ures_getByKeyWithFallback(currencySpcRes.getAlias(),
 378                                       gAfterCurrencyTag, NULL, &localStatus));
 379         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 380             localStatus = U_ZERO_ERROR;
 381             for (int32_t i = 0; i < UNUM_CURRENCY_SPACING_COUNT; i++) {
 382                 currencySpcAfterSym[i] =
 383                     ures_getUnicodeStringByKey(dataRes.getAlias(), keywords[i], &localStatus);
 384             }
 385         }
 386     }
 387 }
 388
 389 void
 390 DecimalFormatSymbols::initialize() {
 391     /*
 392      * These strings used to be in static arrays, but the HP/UX aCC compiler
 393      * cannot initialize a static array with class constructors.
 394      *  markus 2000may25
 395      */
 396     fSymbols[kDecimalSeparatorSymbol] = (UChar)0x2e;    // '.' decimal separator
 397     fSymbols[kGroupingSeparatorSymbol].remove();        //     group (thousands) separator
 398     fSymbols[kPatternSeparatorSymbol] = (UChar)0x3b;    // ';' pattern separator
 399     fSymbols[kPercentSymbol] = (UChar)0x25;             // '%' percent sign
 400     fSymbols[kZeroDigitSymbol] = (UChar)0x30;           // '0' native 0 digit
 401     fSymbols[kOneDigitSymbol] = (UChar)0x31;            // '1' native 1 digit
 402     fSymbols[kTwoDigitSymbol] = (UChar)0x32;            // '2' native 2 digit
 403     fSymbols[kThreeDigitSymbol] = (UChar)0x33;          // '3' native 3 digit
 404     fSymbols[kFourDigitSymbol] = (UChar)0x34;           // '4' native 4 digit
 405     fSymbols[kFiveDigitSymbol] = (UChar)0x35;           // '5' native 5 digit
 406     fSymbols[kSixDigitSymbol] = (UChar)0x36;            // '6' native 6 digit
 407     fSymbols[kSevenDigitSymbol] = (UChar)0x37;          // '7' native 7 digit
 408     fSymbols[kEightDigitSymbol] = (UChar)0x38;          // '8' native 8 digit
 409     fSymbols[kNineDigitSymbol] = (UChar)0x39;           // '9' native 9 digit
 410     fSymbols[kDigitSymbol] = (UChar)0x23;               // '#' pattern digit
 411     fSymbols[kPlusSignSymbol] = (UChar)0x002b;          // '+' plus sign
 412     fSymbols[kMinusSignSymbol] = (UChar)0x2d;           // '-' minus sign
 413     fSymbols[kCurrencySymbol] = (UChar)0xa4;            // 'OX' currency symbol
 414     fSymbols[kIntlCurrencySymbol].setTo(TRUE, INTL_CURRENCY_SYMBOL_STR, 2);
 415     fSymbols[kMonetarySeparatorSymbol] = (UChar)0x2e;   // '.' monetary decimal separator
 416     fSymbols[kExponentialSymbol] = (UChar)0x45;         // 'E' exponential
 417     fSymbols[kPerMillSymbol] = (UChar)0x2030;           // '%o' per mill
 418     fSymbols[kPadEscapeSymbol] = (UChar)0x2a;           // '*' pad escape symbol
 419     fSymbols[kInfinitySymbol] = (UChar)0x221e;          // 'oo' infinite
 420     fSymbols[kNaNSymbol] = (UChar)0xfffd;               // SUB NaN
 421     fSymbols[kSignificantDigitSymbol] = (UChar)0x0040;  // '@' significant digit
 422     fSymbols[kMonetaryGroupingSeparatorSymbol].remove(); //
 423 }
 424
 425 Locale
 426 DecimalFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
 427     U_LOCALE_BASED(locBased, *this);
 428     return locBased.getLocale(type, status);
 429 }
 430
 431 const UnicodeString&
 432 DecimalFormatSymbols::getPatternForCurrencySpacing(UCurrencySpacing type,
 433                                                  UBool beforeCurrency,
 434                                                  UErrorCode& status) const {
 435     if (U_FAILURE(status)) {
 436       return fNoSymbol;  // always empty.
 437     }
 438     if (beforeCurrency) {
 439       return currencySpcBeforeSym[(int32_t)type];
 440     } else {
 441       return currencySpcAfterSym[(int32_t)type];
 442     }
 443 }
 444
 445 void
 446 DecimalFormatSymbols::setPatternForCurrencySpacing(UCurrencySpacing type,
 447                                                    UBool beforeCurrency,
 448                                              const UnicodeString& pattern) {
 449   if (beforeCurrency) {
 450     currencySpcBeforeSym[(int32_t)type] = pattern;
 451   } else {
 452     currencySpcAfterSym[(int32_t)type] =  pattern;
 453   }
 454 }
 455 U_NAMESPACE_END
 456
 457 #endif /* #if !UCONFIG_NO_FORMATTING */
 458
 459 //eof