icuSources/i18n/dcfmtsym.cpp

   1 /*
   2 *******************************************************************************
   3 * Copyright (C) 1997-2010, 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 "ucurrimp.h"
  32 #include "cstring.h"
  33 #include "locbased.h"
  34 #include "uresimp.h"
  35 #include "ureslocs.h"
  36
  37 // *****************************************************************************
  38 // class DecimalFormatSymbols
  39 // *****************************************************************************
  40
  41 U_NAMESPACE_BEGIN
  42
  43 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DecimalFormatSymbols)
  44
  45 static const char gNumberElements[] = "NumberElements";
  46 static const char gCurrencySpacingTag[] = "currencySpacing";
  47 static const char gBeforeCurrencyTag[] = "beforeCurrency";
  48 static const char gAfterCurrencyTag[] = "afterCurrency";
  49 static const char gCurrencyMatchTag[] = "currencyMatch";
  50 static const char gCurrencySudMatchTag[] = "surroundingMatch";
  51 static const char gCurrencyInsertBtnTag[] = "insertBetween";
  52
  53
  54 static const UChar INTL_CURRENCY_SYMBOL_STR[] = {0xa4, 0xa4, 0};
  55
  56 // -------------------------------------
  57 // Initializes this with the decimal format symbols in the default locale.
  58
  59 DecimalFormatSymbols::DecimalFormatSymbols(UErrorCode& status)
  60     : UObject(),
  61     locale()
  62 {
  63     initialize(locale, status, TRUE);
  64 }
  65
  66 // -------------------------------------
  67 // Initializes this with the decimal format symbols in the desired locale.
  68
  69 DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, UErrorCode& status)
  70     : UObject(),
  71     locale(loc)
  72 {
  73     initialize(locale, status);
  74 }
  75
  76 // -------------------------------------
  77
  78 DecimalFormatSymbols::~DecimalFormatSymbols()
  79 {
  80 }
  81
  82 // -------------------------------------
  83 // copy constructor
  84
  85 DecimalFormatSymbols::DecimalFormatSymbols(const DecimalFormatSymbols &source)
  86     : UObject(source)
  87 {
  88     *this = source;
  89 }
  90
  91 // -------------------------------------
  92 // assignment operator
  93
  94 DecimalFormatSymbols&
  95 DecimalFormatSymbols::operator=(const DecimalFormatSymbols& rhs)
  96 {
  97     if (this != &rhs) {
  98         for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
  99             // fastCopyFrom is safe, see docs on fSymbols
 100             fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(rhs.fSymbols[(ENumberFormatSymbol)i]);
 101         }
 102         for(int32_t i = 0; i < (int32_t)kCurrencySpacingCount; ++i) {
 103             currencySpcBeforeSym[i].fastCopyFrom(rhs.currencySpcBeforeSym[i]);
 104             currencySpcAfterSym[i].fastCopyFrom(rhs.currencySpcAfterSym[i]);
 105         }
 106         locale = rhs.locale;
 107         uprv_strcpy(validLocale, rhs.validLocale);
 108         uprv_strcpy(actualLocale, rhs.actualLocale);
 109     }
 110     return *this;
 111 }
 112
 113 // -------------------------------------
 114
 115 UBool
 116 DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
 117 {
 118     if (this == &that) {
 119         return TRUE;
 120     }
 121     for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
 122         if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
 123             return FALSE;
 124         }
 125     }
 126     for(int32_t i = 0; i < (int32_t)kCurrencySpacingCount; ++i) {
 127         if(currencySpcBeforeSym[i] != that.currencySpcBeforeSym[i]) {
 128             return FALSE;
 129         }
 130         if(currencySpcAfterSym[i] != that.currencySpcAfterSym[i]) {
 131             return FALSE;
 132         }
 133     }
 134     return locale == that.locale &&
 135         uprv_strcmp(validLocale, that.validLocale) == 0 &&
 136         uprv_strcmp(actualLocale, that.actualLocale) == 0;
 137 }
 138
 139 // -------------------------------------
 140
 141 void
 142 DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status, UBool useLastResortData)
 143 {
 144     static const char *gNumberElementKeys[kFormatSymbolCount] = {
 145         "decimal",
 146         "group",
 147         "list",
 148         "percentSign",
 149         NULL, /* Native zero digit is deprecated from CLDR - get it from the numbering system */
 150         NULL, /* Pattern digit character is deprecated from CLDR - use # by default always */
 151         "minusSign",
 152         "plusSign",
 153         NULL, /* currency symbol - We don't really try to load this directly from CLDR until we know the currency */
 154         NULL, /* intl currency symbol - We don't really try to load this directly from CLDR until we know the currency */
 155         "currencyDecimal",
 156         "exponential",
 157         "perMille",
 158         NULL, /* Escape padding character - not in CLDR */
 159         "infinity",
 160         "nan",
 161         NULL, /* Significant digit symbol - not in CLDR */
 162         "currencyGroup",
 163         NULL, /* one digit - get it from the numbering system */
 164         NULL, /* two digit - get it from the numbering system */
 165         NULL, /* three digit - get it from the numbering system */
 166         NULL, /* four digit - get it from the numbering system */
 167         NULL, /* five digit - get it from the numbering system */
 168         NULL, /* six digit - get it from the numbering system */
 169         NULL, /* seven digit - get it from the numbering system */
 170         NULL, /* eight digit - get it from the numbering system */
 171         NULL, /* nine digit - get it from the numbering system */
 172     };
 173
 174     static const char *gLatn =  "latn";
 175     static const char *gSymbols = "symbols";
 176     const char *nsName;
 177     const UChar *sym = NULL;
 178     int32_t len = 0;
 179
 180     *validLocale = *actualLocale = 0;
 181     currPattern = NULL;
 182     if (U_FAILURE(status))
 183         return;
 184
 185     const char* locStr = loc.getName();
 186     UResourceBundle *resource = ures_open((char *)0, locStr, &status);
 187     UResourceBundle *numberElementsRes = ures_getByKeyWithFallback(resource, gNumberElements, NULL, &status);
 188
 189     if (U_FAILURE(status)) {
 190         if ( useLastResortData ) {
 191             status = U_USING_FALLBACK_WARNING;
 192             initialize();
 193         }
 194         return;
 195     } else {
 196
 197         // First initialize all the symbols to the fallbacks for anything we can't find
 198         initialize();
 199
 200         //
 201         // Next get the numbering system for this locale and set zero digit
 202         // and the digit string based on the numbering system for the locale
 203         //
 204
 205         NumberingSystem* ns = NumberingSystem::createInstance(loc,status);
 206         if (U_SUCCESS(status) && ns->getRadix() == 10 && !ns->isAlgorithmic()) {
 207             nsName = ns->getName();
 208             UnicodeString *DigitString = new UnicodeString(ns->getDescription());
 209                 setSymbol(kZeroDigitSymbol,DigitString->charAt(0),FALSE);
 210                 setSymbol(kOneDigitSymbol,DigitString->charAt(1),FALSE);
 211                 setSymbol(kTwoDigitSymbol,DigitString->charAt(2),FALSE);
 212                 setSymbol(kThreeDigitSymbol,DigitString->charAt(3),FALSE);
 213                 setSymbol(kFourDigitSymbol,DigitString->charAt(4),FALSE);
 214                 setSymbol(kFiveDigitSymbol,DigitString->charAt(5),FALSE);
 215                 setSymbol(kSixDigitSymbol,DigitString->charAt(6),FALSE);
 216                 setSymbol(kSevenDigitSymbol,DigitString->charAt(7),FALSE);
 217                 setSymbol(kEightDigitSymbol,DigitString->charAt(8),FALSE);
 218                 setSymbol(kNineDigitSymbol,DigitString->charAt(9),FALSE);
 219             delete DigitString;
 220         } else {
 221             nsName = gLatn;
 222         }
 223
 224         UBool isLatn = !uprv_strcmp(nsName,gLatn);
 225
 226         UErrorCode nlStatus = U_ZERO_ERROR;
 227         UResourceBundle *nonLatnSymbols = NULL;
 228         if ( !isLatn ) {
 229             nonLatnSymbols = ures_getByKeyWithFallback(numberElementsRes, nsName, NULL, &nlStatus);
 230             nonLatnSymbols = ures_getByKeyWithFallback(nonLatnSymbols, gSymbols, nonLatnSymbols, &nlStatus);
 231         }
 232
 233         UResourceBundle *latnSymbols = ures_getByKeyWithFallback(numberElementsRes, gLatn, NULL, &status);
 234         latnSymbols = ures_getByKeyWithFallback(latnSymbols, gSymbols, latnSymbols, &status);
 235
 236         UBool kMonetaryDecimalSet = FALSE;
 237         UBool kMonetaryGroupingSet = FALSE;
 238         for(int32_t i = 0; i<kFormatSymbolCount; i++) {
 239             if ( gNumberElementKeys[i] != NULL ) {
 240                 UErrorCode localStatus = U_ZERO_ERROR;
 241                 if ( !isLatn ) {
 242                     sym = ures_getStringByKeyWithFallback(nonLatnSymbols,gNumberElementKeys[i],&len,&localStatus);
 243                     // If we can't find the symbol in the numbering system specific resources,
 244                     // use the "latn" numbering system as the fallback.
 245                     if ( U_FAILURE(localStatus) ) {
 246                         localStatus = U_ZERO_ERROR;
 247                         sym = ures_getStringByKeyWithFallback(latnSymbols,gNumberElementKeys[i],&len,&localStatus);
 248                     }
 249                 } else {
 250                         sym = ures_getStringByKeyWithFallback(latnSymbols,gNumberElementKeys[i],&len,&localStatus);
 251                 }
 252
 253                 if ( U_SUCCESS(localStatus) ) {
 254                     setSymbol((ENumberFormatSymbol)i,sym);
 255                     if ( i == kMonetarySeparatorSymbol ) {
 256                         kMonetaryDecimalSet = TRUE;
 257                     } else if ( i == kMonetaryGroupingSeparatorSymbol ) {
 258                         kMonetaryGroupingSet = TRUE;
 259                     }
 260                 }
 261             }
 262         }
 263
 264         ures_close(latnSymbols);
 265         if ( !isLatn ) {
 266             ures_close(nonLatnSymbols);
 267         }
 268
 269         // If monetary decimal or grouping were not explicitly set, then set them to be the
 270         // same as their non-monetary counterparts.
 271
 272         if ( !kMonetaryDecimalSet ) {
 273             setSymbol(kMonetarySeparatorSymbol,fSymbols[kDecimalSeparatorSymbol]);
 274         }
 275         if ( !kMonetaryGroupingSet ) {
 276             setSymbol(kMonetaryGroupingSeparatorSymbol,fSymbols[kGroupingSeparatorSymbol]);
 277         }
 278
 279         if (ns) {
 280             delete ns;
 281         }
 282
 283         // Obtain currency data from the currency API.  This is strictly
 284         // for backward compatibility; we don't use DecimalFormatSymbols
 285         // for currency data anymore.
 286         UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
 287         UChar curriso[4];
 288         UnicodeString tempStr;
 289         ucurr_forLocale(locStr, curriso, 4, &internalStatus);
 290
 291         // Reuse numberElements[0] as a temporary buffer
 292         uprv_getStaticCurrencyName(curriso, locStr, tempStr, internalStatus);
 293         if (U_SUCCESS(internalStatus)) {
 294             fSymbols[kIntlCurrencySymbol] = curriso;
 295             fSymbols[kCurrencySymbol] = tempStr;
 296         }
 297         /* else use the default values. */
 298
 299         U_LOCALE_BASED(locBased, *this);
 300         locBased.setLocaleIDs(ures_getLocaleByType(numberElementsRes,
 301                               ULOC_VALID_LOCALE, &status),
 302                               ures_getLocaleByType(numberElementsRes,
 303                               ULOC_ACTUAL_LOCALE, &status));
 304
 305         //load the currency data
 306         UChar ucc[4]={0}; //Currency Codes are always 3 chars long
 307         int32_t uccLen = 4;
 308         const char* locName = loc.getName();
 309         UErrorCode localStatus = U_ZERO_ERROR;
 310         uccLen = ucurr_forLocale(locName, ucc, uccLen, &localStatus);
 311
 312         if(U_SUCCESS(localStatus) && uccLen > 0) {
 313             char cc[4]={0};
 314             u_UCharsToChars(ucc, cc, uccLen);
 315             /* An explicit currency was requested */
 316             UResourceBundle *currencyResource = ures_open(U_ICUDATA_CURR, locStr, &localStatus);
 317             UResourceBundle *currency = ures_getByKeyWithFallback(currencyResource, "Currencies", NULL, &localStatus);
 318             currency = ures_getByKeyWithFallback(currency, cc, currency, &localStatus);
 319             if(U_SUCCESS(localStatus) && ures_getSize(currency)>2) { // the length is 3 if more data is present
 320                 currency = ures_getByIndex(currency, 2, currency, &localStatus);
 321                 int32_t currPatternLen = 0;
 322                 currPattern = ures_getStringByIndex(currency, (int32_t)0, &currPatternLen, &localStatus);
 323                 UnicodeString decimalSep = ures_getStringByIndex(currency, (int32_t)1, NULL, &localStatus);
 324                 UnicodeString groupingSep = ures_getStringByIndex(currency, (int32_t)2, NULL, &localStatus);
 325                 if(U_SUCCESS(localStatus)){
 326                     fSymbols[kMonetaryGroupingSeparatorSymbol] = groupingSep;
 327                     fSymbols[kMonetarySeparatorSymbol] = decimalSep;
 328                     //pattern.setTo(TRUE, currPattern, currPatternLen);
 329                     status = localStatus;
 330                 }
 331             }
 332             ures_close(currency);
 333             ures_close(currencyResource);
 334             /* else An explicit currency was requested and is unknown or locale data is malformed. */
 335             /* ucurr_* API will get the correct value later on. */
 336         }
 337             // else ignore the error if no currency
 338
 339         // Currency Spacing.
 340         localStatus = U_ZERO_ERROR;
 341         UResourceBundle *currencyResource = ures_open(U_ICUDATA_CURR, locStr, &localStatus);
 342         UResourceBundle *currencySpcRes = ures_getByKeyWithFallback(currencyResource,
 343                                            gCurrencySpacingTag, NULL, &localStatus);
 344
 345         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 346             const char* keywords[kCurrencySpacingCount] = {
 347                 gCurrencyMatchTag, gCurrencySudMatchTag, gCurrencyInsertBtnTag
 348             };
 349             localStatus = U_ZERO_ERROR;
 350             UResourceBundle *dataRes = ures_getByKeyWithFallback(currencySpcRes,
 351                                        gBeforeCurrencyTag, NULL, &localStatus);
 352             if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 353                 localStatus = U_ZERO_ERROR;
 354                 for (int32_t i = 0; i < kCurrencySpacingCount; i++) {
 355                   currencySpcBeforeSym[i] = ures_getStringByKey(dataRes, keywords[i],
 356                                                             NULL, &localStatus);
 357                 }
 358                 ures_close(dataRes);
 359             }
 360             dataRes = ures_getByKeyWithFallback(currencySpcRes,
 361                                       gAfterCurrencyTag, NULL, &localStatus);
 362             if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
 363                 localStatus = U_ZERO_ERROR;
 364                 for (int32_t i = 0; i < kCurrencySpacingCount; i++) {
 365                   currencySpcAfterSym[i] = ures_getStringByKey(dataRes, keywords[i],
 366                                                                 NULL, &localStatus);
 367                 }
 368                 ures_close(dataRes);
 369             }
 370             ures_close(currencySpcRes);
 371             ures_close(currencyResource);
 372         }
 373     }
 374     ures_close(resource);
 375     ures_close(numberElementsRes);
 376
 377 }
 378
 379 void
 380 DecimalFormatSymbols::initialize() {
 381     /*
 382      * These strings used to be in static arrays, but the HP/UX aCC compiler
 383      * cannot initialize a static array with class constructors.
 384      *  markus 2000may25
 385      */
 386     fSymbols[kDecimalSeparatorSymbol] = (UChar)0x2e;    // '.' decimal separator
 387     fSymbols[kGroupingSeparatorSymbol].remove();        //     group (thousands) separator
 388     fSymbols[kPatternSeparatorSymbol] = (UChar)0x3b;    // ';' pattern separator
 389     fSymbols[kPercentSymbol] = (UChar)0x25;             // '%' percent sign
 390     fSymbols[kZeroDigitSymbol] = (UChar)0x30;           // '0' native 0 digit
 391     fSymbols[kOneDigitSymbol] = (UChar)0x31;            // '1' native 1 digit
 392     fSymbols[kTwoDigitSymbol] = (UChar)0x32;            // '2' native 2 digit
 393     fSymbols[kThreeDigitSymbol] = (UChar)0x33;          // '3' native 3 digit
 394     fSymbols[kFourDigitSymbol] = (UChar)0x34;           // '4' native 4 digit
 395     fSymbols[kFiveDigitSymbol] = (UChar)0x35;           // '5' native 5 digit
 396     fSymbols[kSixDigitSymbol] = (UChar)0x36;            // '6' native 6 digit
 397     fSymbols[kSevenDigitSymbol] = (UChar)0x37;          // '7' native 7 digit
 398     fSymbols[kEightDigitSymbol] = (UChar)0x38;          // '8' native 8 digit
 399     fSymbols[kNineDigitSymbol] = (UChar)0x39;           // '9' native 9 digit
 400     fSymbols[kDigitSymbol] = (UChar)0x23;               // '#' pattern digit
 401     fSymbols[kPlusSignSymbol] = (UChar)0x002b;          // '+' plus sign
 402     fSymbols[kMinusSignSymbol] = (UChar)0x2d;           // '-' minus sign
 403     fSymbols[kCurrencySymbol] = (UChar)0xa4;            // 'OX' currency symbol
 404     fSymbols[kIntlCurrencySymbol] = INTL_CURRENCY_SYMBOL_STR;
 405     fSymbols[kMonetarySeparatorSymbol] = (UChar)0x2e;   // '.' monetary decimal separator
 406     fSymbols[kExponentialSymbol] = (UChar)0x45;         // 'E' exponential
 407     fSymbols[kPerMillSymbol] = (UChar)0x2030;           // '%o' per mill
 408     fSymbols[kPadEscapeSymbol] = (UChar)0x2a;           // '*' pad escape symbol
 409     fSymbols[kInfinitySymbol] = (UChar)0x221e;          // 'oo' infinite
 410     fSymbols[kNaNSymbol] = (UChar)0xfffd;               // SUB NaN
 411     fSymbols[kSignificantDigitSymbol] = (UChar)0x0040;  // '@' significant digit
 412     fSymbols[kMonetaryGroupingSeparatorSymbol].remove(); //
 413 }
 414
 415 Locale
 416 DecimalFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
 417     U_LOCALE_BASED(locBased, *this);
 418     return locBased.getLocale(type, status);
 419 }
 420
 421 const UnicodeString&
 422 DecimalFormatSymbols::getPatternForCurrencySpacing(ECurrencySpacing type,
 423                                                  UBool beforeCurrency,
 424                                                  UErrorCode& status) const {
 425     if (U_FAILURE(status)) {
 426       return fNoSymbol;  // always empty.
 427     }
 428     if (beforeCurrency) {
 429       return currencySpcBeforeSym[(int32_t)type];
 430     } else {
 431       return currencySpcAfterSym[(int32_t)type];
 432     }
 433 }
 434
 435 void
 436 DecimalFormatSymbols::setPatternForCurrencySpacing(ECurrencySpacing type,
 437                                                    UBool beforeCurrency,
 438                                              const UnicodeString& pattern) {
 439   if (beforeCurrency) {
 440     currencySpcBeforeSym[(int32_t)type] = pattern;
 441   } else {
 442     currencySpcAfterSym[(int32_t)type] =  pattern;
 443   }
 444 }
 445 U_NAMESPACE_END
 446
 447 #endif /* #if !UCONFIG_NO_FORMATTING */
 448
 449 //eof