icuSources/i18n/dcfmtsym.cpp

   1 /*
   2 *******************************************************************************
   3 * Copyright (C) 1997-2014, 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         "superscriptingExponent", /* Multiplication (x) symbol for exponents */
 193     };
 194
 195     static const char *gLatn =  "latn";
 196     static const char *gSymbols = "symbols";
 197     const char *nsName;
 198     const UChar *sym = NULL;
 199     int32_t len = 0;
 200
 201     *validLocale = *actualLocale = 0;
 202     currPattern = NULL;
 203     if (U_FAILURE(status))
 204         return;
 205
 206     const char* locStr = loc.getName();
 207     LocalUResourceBundlePointer resource(ures_open(NULL, locStr, &status));
 208     LocalUResourceBundlePointer numberElementsRes(
 209         ures_getByKeyWithFallback(resource.getAlias(), gNumberElements, NULL, &status));
 210
 211     if (U_FAILURE(status)) {
 212         if ( useLastResortData ) {
 213             status = U_USING_DEFAULT_WARNING;
 214             initialize();
 215         }
 216         return;
 217     }
 218
 219     // First initialize all the symbols to the fallbacks for anything we can't find
 220     initialize();
 221
 222     //
 223     // Next get the numbering system for this locale and set zero digit
 224     // and the digit string based on the numbering system for the locale
 225     //
 226
 227     LocalPointer<NumberingSystem> ns(NumberingSystem::createInstance(loc, status));
 228     if (U_SUCCESS(status) && ns->getRadix() == 10 && !ns->isAlgorithmic()) {
 229         nsName = ns->getName();
 230         UnicodeString digitString(ns->getDescription());
 231         int32_t digitIndex = 0;
 232         UChar32 digit = digitString.char32At(0);
 233         fSymbols[kZeroDigitSymbol].setTo(digit);
 234         for (int32_t i = kOneDigitSymbol; i <= kNineDigitSymbol; ++i) {
 235             digitIndex += U16_LENGTH(digit);
 236             digit = digitString.char32At(digitIndex);
 237             fSymbols[i].setTo(digit);
 238         }
 239     } else {
 240         nsName = gLatn;
 241     }
 242
 243     UBool isLatn = !uprv_strcmp(nsName,gLatn);
 244
 245     UErrorCode nlStatus = U_ZERO_ERROR;
 246     LocalUResourceBundlePointer nonLatnSymbols;
 247     if ( !isLatn ) {
 248         nonLatnSymbols.adoptInstead(
 249             ures_getByKeyWithFallback(numberElementsRes.getAlias(), nsName, NULL, &nlStatus));
 250         ures_getByKeyWithFallback(nonLatnSymbols.getAlias(), gSymbols, nonLatnSymbols.getAlias(), &nlStatus);
 251     }
 252
 253     LocalUResourceBundlePointer latnSymbols(
 254         ures_getByKeyWithFallback(numberElementsRes.getAlias(), gLatn, NULL, &status));
 255     ures_getByKeyWithFallback(latnSymbols.getAlias(), gSymbols, latnSymbols.getAlias(), &status);
 256
 257     UBool kMonetaryDecimalSet = FALSE;
 258     UBool kMonetaryGroupingSet = FALSE;
 259     for(int32_t i = 0; i<kFormatSymbolCount; i++) {
 260         if ( gNumberElementKeys[i] != NULL ) {
 261             UErrorCode localStatus = U_ZERO_ERROR;
 262             if ( !isLatn ) {
 263                 sym = ures_getStringByKeyWithFallback(nonLatnSymbols.getAlias(),
 264                                                       gNumberElementKeys[i], &len, &localStatus);
 265                 // If we can't find the symbol in the numbering system specific resources,
 266                 // use the "latn" numbering system as the fallback.
 267                 if ( U_FAILURE(localStatus) ) {
 268                     localStatus = U_ZERO_ERROR;
 269                     sym = ures_getStringByKeyWithFallback(latnSymbols.getAlias(),
 270                                                           gNumberElementKeys[i], &len, &localStatus);
 271                 }
 272             } else {
 273                     sym = ures_getStringByKeyWithFallback(latnSymbols.getAlias(),
 274                                                           gNumberElementKeys[i], &len, &localStatus);
 275             }
 276
 277             if ( U_SUCCESS(localStatus) ) {
 278                 setSymbol((ENumberFormatSymbol)i, UnicodeString(TRUE, sym, len));
 279                 if ( i == kMonetarySeparatorSymbol ) {
 280                     kMonetaryDecimalSet = TRUE;
 281                 } else if ( i == kMonetaryGroupingSeparatorSymbol ) {
 282                     kMonetaryGroupingSet = TRUE;
 283                 }
 284             }
 285         }
 286     }
 287
 288     // If monetary decimal or grouping were not explicitly set, then set them to be the
 289     // same as their non-monetary counterparts.
 290
 291     if ( !kMonetaryDecimalSet ) {
 292         setSymbol(kMonetarySeparatorSymbol,fSymbols[kDecimalSeparatorSymbol]);
 293     }
 294     if ( !kMonetaryGroupingSet ) {
 295         setSymbol(kMonetaryGroupingSeparatorSymbol,fSymbols[kGroupingSeparatorSymbol]);
 296     }
 297
 298     // Obtain currency data from the currency API.  This is strictly
 299     // for backward compatibility; we don't use DecimalFormatSymbols
 300     // for currency data anymore.
 301     UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
 302     UChar curriso[4];
 303     UnicodeString tempStr;
 304     ucurr_forLocale(locStr, curriso, 4, &internalStatus);
 305
 306     uprv_getStaticCurrencyName(curriso, locStr, tempStr, internalStatus);
 307     if (U_SUCCESS(internalStatus)) {
 308         fSymbols[kIntlCurrencySymbol].setTo(curriso, -1);
 309         fSymbols[kCurrencySymbol] = tempStr;
 310     }
 311     /* else use the default values. */
 312
 313     U_LOCALE_BASED(locBased, *this);
 314     locBased.setLocaleIDs(ures_getLocaleByType(numberElementsRes.getAlias(),
 315                                                ULOC_VALID_LOCALE, &status),
 316                           ures_getLocaleByType(numberElementsRes.getAlias(),
 317                                                ULOC_ACTUAL_LOCALE, &status));
 318
 319     //load the currency data
 320     UChar ucc[4]={0}; //Currency Codes are always 3 chars long
 321     int32_t uccLen = 4;
 322     const char* locName = loc.getName();
 323     UErrorCode localStatus = U_ZERO_ERROR;
 324     uccLen = ucurr_forLocale(locName, ucc, uccLen, &localStatus);
 325
 326     if(U_SUCCESS(localStatus) && uccLen > 0) {
 327         char cc[4]={0};
 328         u_UCharsToChars(ucc, cc, uccLen);
 329         /* An explicit currency was requested */
 330         LocalUResourceBundlePointer currencyResource(ures_open(U_ICUDATA_CURR, locStr, &localStatus));
 331         LocalUResourceBundlePointer currency(
 332             ures_getByKeyWithFallback(currencyResource.getAlias(), "Currencies", NULL, &localStatus));
 333         ures_getByKeyWithFallback(currency.getAlias(), cc, currency.getAlias(), &localStatus);
 334         if(U_SUCCESS(localStatus) && ures_getSize(currency.getAlias())>2) { // the length is 3 if more data is present
 335             ures_getByIndex(currency.getAlias(), 2, currency.getAlias(), &localStatus);
 336             int32_t currPatternLen = 0;
 337             currPattern =
 338                 ures_getStringByIndex(currency.getAlias(), (int32_t)0, &currPatternLen, &localStatus);
 339             UnicodeString decimalSep =
 340                 ures_getUnicodeStringByIndex(currency.getAlias(), (int32_t)1, &localStatus);
 341             UnicodeString groupingSep =
 342                 ures_getUnicodeStringByIndex(currency.getAlias(), (int32_t)2, &localStatus);
 343             if(U_SUCCESS(localStatus)){
 344                 fSymbols[kMonetaryGroupingSeparatorSymbol] = groupingSep;
 345                 fSymbols[kMonetarySeparatorSymbol] = decimalSep;
 346                 //pattern.setTo(TRUE, currPattern, currPatternLen);
 347                 status = localStatus;
 348             }
 349         }
 350         /* else An explicit currency was requested and is unknown or locale data is malformed. */
 351         /* ucurr_* API will get the correct value later on. */
 352     }
 353         // else ignore the error if no currency
 354
 355     // Currency Spacing.
 356     localStatus = U_ZERO_ERROR;
 357     LocalUResourceBundlePointer currencyResource(ures_open(U_ICUDATA_CURR, locStr, &localStatus));
 358     LocalUResourceBundlePointer currencySpcRes(
 359         ures_getByKeyWithFallback(currencyResource.getAlias(),
 360                                   gCurrencySpacingTag, NULL, &localStatus));
 361
 362     if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 363         const char* keywords[UNUM_CURRENCY_SPACING_COUNT] = {
 364             gCurrencyMatchTag, gCurrencySudMatchTag, gCurrencyInsertBtnTag
 365         };
 366         localStatus = U_ZERO_ERROR;
 367         LocalUResourceBundlePointer dataRes(
 368             ures_getByKeyWithFallback(currencySpcRes.getAlias(),
 369                                       gBeforeCurrencyTag, NULL, &localStatus));
 370         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 371             localStatus = U_ZERO_ERROR;
 372             for (int32_t i = 0; i < UNUM_CURRENCY_SPACING_COUNT; i++) {
 373                 currencySpcBeforeSym[i] =
 374                     ures_getUnicodeStringByKey(dataRes.getAlias(), keywords[i], &localStatus);
 375             }
 376         }
 377         dataRes.adoptInstead(
 378             ures_getByKeyWithFallback(currencySpcRes.getAlias(),
 379                                       gAfterCurrencyTag, NULL, &localStatus));
 380         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 381             localStatus = U_ZERO_ERROR;
 382             for (int32_t i = 0; i < UNUM_CURRENCY_SPACING_COUNT; i++) {
 383                 currencySpcAfterSym[i] =
 384                     ures_getUnicodeStringByKey(dataRes.getAlias(), keywords[i], &localStatus);
 385             }
 386         }
 387     }
 388 }
 389
 390 void
 391 DecimalFormatSymbols::initialize() {
 392     /*
 393      * These strings used to be in static arrays, but the HP/UX aCC compiler
 394      * cannot initialize a static array with class constructors.
 395      *  markus 2000may25
 396      */
 397     fSymbols[kDecimalSeparatorSymbol] = (UChar)0x2e;    // '.' decimal separator
 398     fSymbols[kGroupingSeparatorSymbol].remove();        //     group (thousands) separator
 399     fSymbols[kPatternSeparatorSymbol] = (UChar)0x3b;    // ';' pattern separator
 400     fSymbols[kPercentSymbol] = (UChar)0x25;             // '%' percent sign
 401     fSymbols[kZeroDigitSymbol] = (UChar)0x30;           // '0' native 0 digit
 402     fSymbols[kOneDigitSymbol] = (UChar)0x31;            // '1' native 1 digit
 403     fSymbols[kTwoDigitSymbol] = (UChar)0x32;            // '2' native 2 digit
 404     fSymbols[kThreeDigitSymbol] = (UChar)0x33;          // '3' native 3 digit
 405     fSymbols[kFourDigitSymbol] = (UChar)0x34;           // '4' native 4 digit
 406     fSymbols[kFiveDigitSymbol] = (UChar)0x35;           // '5' native 5 digit
 407     fSymbols[kSixDigitSymbol] = (UChar)0x36;            // '6' native 6 digit
 408     fSymbols[kSevenDigitSymbol] = (UChar)0x37;          // '7' native 7 digit
 409     fSymbols[kEightDigitSymbol] = (UChar)0x38;          // '8' native 8 digit
 410     fSymbols[kNineDigitSymbol] = (UChar)0x39;           // '9' native 9 digit
 411     fSymbols[kDigitSymbol] = (UChar)0x23;               // '#' pattern digit
 412     fSymbols[kPlusSignSymbol] = (UChar)0x002b;          // '+' plus sign
 413     fSymbols[kMinusSignSymbol] = (UChar)0x2d;           // '-' minus sign
 414     fSymbols[kCurrencySymbol] = (UChar)0xa4;            // 'OX' currency symbol
 415     fSymbols[kIntlCurrencySymbol].setTo(TRUE, INTL_CURRENCY_SYMBOL_STR, 2);
 416     fSymbols[kMonetarySeparatorSymbol] = (UChar)0x2e;   // '.' monetary decimal separator
 417     fSymbols[kExponentialSymbol] = (UChar)0x45;         // 'E' exponential
 418     fSymbols[kPerMillSymbol] = (UChar)0x2030;           // '%o' per mill
 419     fSymbols[kPadEscapeSymbol] = (UChar)0x2a;           // '*' pad escape symbol
 420     fSymbols[kInfinitySymbol] = (UChar)0x221e;          // 'oo' infinite
 421     fSymbols[kNaNSymbol] = (UChar)0xfffd;               // SUB NaN
 422     fSymbols[kSignificantDigitSymbol] = (UChar)0x0040;  // '@' significant digit
 423     fSymbols[kMonetaryGroupingSeparatorSymbol].remove(); //
 424     fSymbols[kExponentMultiplicationSymbol] = (UChar)0xd7; // 'x' multiplication symbol for exponents
 425 }
 426
 427 Locale
 428 DecimalFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
 429     U_LOCALE_BASED(locBased, *this);
 430     return locBased.getLocale(type, status);
 431 }
 432
 433 const UnicodeString&
 434 DecimalFormatSymbols::getPatternForCurrencySpacing(UCurrencySpacing type,
 435                                                  UBool beforeCurrency,
 436                                                  UErrorCode& status) const {
 437     if (U_FAILURE(status)) {
 438       return fNoSymbol;  // always empty.
 439     }
 440     if (beforeCurrency) {
 441       return currencySpcBeforeSym[(int32_t)type];
 442     } else {
 443       return currencySpcAfterSym[(int32_t)type];
 444     }
 445 }
 446
 447 void
 448 DecimalFormatSymbols::setPatternForCurrencySpacing(UCurrencySpacing type,
 449                                                    UBool beforeCurrency,
 450                                              const UnicodeString& pattern) {
 451   if (beforeCurrency) {
 452     currencySpcBeforeSym[(int32_t)type] = pattern;
 453   } else {
 454     currencySpcAfterSym[(int32_t)type] =  pattern;
 455   }
 456 }
 457 U_NAMESPACE_END
 458
 459 #endif /* #if !UCONFIG_NO_FORMATTING */
 460
 461 //eof