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      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 // BEGIN android-added: we need a default constructor for performance.
     77 // -------------------------------------
     78 
     79 DecimalFormatSymbols::DecimalFormatSymbols()
     80 {
     81     initialize();
     82 }
     83 // END android-added
     84 
     85 // -------------------------------------
     86 
     87 DecimalFormatSymbols::~DecimalFormatSymbols()
     88 {
     89 }
     90 
     91 // -------------------------------------
     92 // copy constructor
     93 
     94 DecimalFormatSymbols::DecimalFormatSymbols(const DecimalFormatSymbols &source)
     95     : UObject(source)
     96 {
     97     *this = source;
     98 }
     99 
    100 // -------------------------------------
    101 // assignment operator
    102 
    103 DecimalFormatSymbols&
    104 DecimalFormatSymbols::operator=(const DecimalFormatSymbols& rhs)
    105 {
    106     if (this != &rhs) {
    107         for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
    108             // fastCopyFrom is safe, see docs on fSymbols
    109             fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(rhs.fSymbols[(ENumberFormatSymbol)i]);
    110         }
    111         for(int32_t i = 0; i < (int32_t)kCurrencySpacingCount; ++i) {
    112             currencySpcBeforeSym[i].fastCopyFrom(rhs.currencySpcBeforeSym[i]);
    113             currencySpcAfterSym[i].fastCopyFrom(rhs.currencySpcAfterSym[i]);
    114         }
    115         locale = rhs.locale;
    116         uprv_strcpy(validLocale, rhs.validLocale);
    117         uprv_strcpy(actualLocale, rhs.actualLocale);
    118     }
    119     return *this;
    120 }
    121 
    122 // -------------------------------------
    123 
    124 UBool
    125 DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
    126 {
    127     if (this == &that) {
    128         return TRUE;
    129     }
    130     for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
    131         if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
    132             return FALSE;
    133         }
    134     }
    135     for(int32_t i = 0; i < (int32_t)kCurrencySpacingCount; ++i) {
    136         if(currencySpcBeforeSym[i] != that.currencySpcBeforeSym[i]) {
    137             return FALSE;
    138         }
    139         if(currencySpcAfterSym[i] != that.currencySpcAfterSym[i]) {
    140             return FALSE;
    141         }
    142     }
    143     return locale == that.locale &&
    144         uprv_strcmp(validLocale, that.validLocale) == 0 &&
    145         uprv_strcmp(actualLocale, that.actualLocale) == 0;
    146 }
    147 
    148 // -------------------------------------
    149 
    150 void
    151 DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status, UBool useLastResortData)
    152 {
    153     static const char *gNumberElementKeys[kFormatSymbolCount] = {
    154         "decimal",
    155         "group",
    156         "list",
    157         "percentSign",
    158         NULL, /* Native zero digit is deprecated from CLDR - get it from the numbering system */
    159         NULL, /* Pattern digit character is deprecated from CLDR - use # by default always */
    160         "minusSign",
    161         "plusSign",
    162         NULL, /* currency symbol - We don't really try to load this directly from CLDR until we know the currency */
    163         NULL, /* intl currency symbol - We don't really try to load this directly from CLDR until we know the currency */
    164         "currencyDecimal",
    165         "exponential",
    166         "perMille",
    167         NULL, /* Escape padding character - not in CLDR */
    168         "infinity",
    169         "nan",
    170         NULL, /* Significant digit symbol - not in CLDR */
    171         "currencyGroup",
    172         NULL, /* one digit - get it from the numbering system */
    173         NULL, /* two digit - get it from the numbering system */
    174         NULL, /* three digit - get it from the numbering system */
    175         NULL, /* four digit - get it from the numbering system */
    176         NULL, /* five digit - get it from the numbering system */
    177         NULL, /* six digit - get it from the numbering system */
    178         NULL, /* seven digit - get it from the numbering system */
    179         NULL, /* eight digit - get it from the numbering system */
    180         NULL, /* nine digit - get it from the numbering system */
    181     };
    182 
    183     static const char *gLatn =  "latn";
    184     static const char *gSymbols = "symbols";
    185     const char *nsName;
    186     const UChar *sym = NULL;
    187     int32_t len = 0;
    188 
    189     *validLocale = *actualLocale = 0;
    190     currPattern = NULL;
    191     if (U_FAILURE(status))
    192         return;
    193 
    194     const char* locStr = loc.getName();
    195     UResourceBundle *resource = ures_open((char *)0, locStr, &status);
    196     UResourceBundle *numberElementsRes = ures_getByKeyWithFallback(resource, gNumberElements, NULL, &status);
    197 
    198     if (U_FAILURE(status)) {
    199         if ( useLastResortData ) {
    200             status = U_USING_FALLBACK_WARNING;
    201             initialize();
    202         }
    203         return;
    204     } else {
    205 
    206         // First initialize all the symbols to the fallbacks for anything we can't find
    207         initialize();
    208 
    209         //
    210         // Next get the numbering system for this locale and set zero digit
    211         // and the digit string based on the numbering system for the locale
    212         //
    213 
    214         NumberingSystem* ns = NumberingSystem::createInstance(loc,status);
    215         if (U_SUCCESS(status) && ns->getRadix() == 10 && !ns->isAlgorithmic()) {
    216             nsName = ns->getName();
    217             UnicodeString *DigitString = new UnicodeString(ns->getDescription());
    218                 setSymbol(kZeroDigitSymbol,DigitString->charAt(0),FALSE);
    219                 setSymbol(kOneDigitSymbol,DigitString->charAt(1),FALSE);
    220                 setSymbol(kTwoDigitSymbol,DigitString->charAt(2),FALSE);
    221                 setSymbol(kThreeDigitSymbol,DigitString->charAt(3),FALSE);
    222                 setSymbol(kFourDigitSymbol,DigitString->charAt(4),FALSE);
    223                 setSymbol(kFiveDigitSymbol,DigitString->charAt(5),FALSE);
    224                 setSymbol(kSixDigitSymbol,DigitString->charAt(6),FALSE);
    225                 setSymbol(kSevenDigitSymbol,DigitString->charAt(7),FALSE);
    226                 setSymbol(kEightDigitSymbol,DigitString->charAt(8),FALSE);
    227                 setSymbol(kNineDigitSymbol,DigitString->charAt(9),FALSE);
    228             delete DigitString;
    229         } else {
    230             nsName = gLatn;
    231         }
    232 
    233         UBool isLatn = !uprv_strcmp(nsName,gLatn);
    234 
    235         UErrorCode nlStatus = U_ZERO_ERROR;
    236         UResourceBundle *nonLatnSymbols = NULL;
    237         if ( !isLatn ) {
    238             nonLatnSymbols = ures_getByKeyWithFallback(numberElementsRes, nsName, NULL, &nlStatus);
    239             nonLatnSymbols = ures_getByKeyWithFallback(nonLatnSymbols, gSymbols, nonLatnSymbols, &nlStatus);
    240         }
    241 
    242         UResourceBundle *latnSymbols = ures_getByKeyWithFallback(numberElementsRes, gLatn, NULL, &status);
    243         latnSymbols = ures_getByKeyWithFallback(latnSymbols, gSymbols, latnSymbols, &status);
    244 
    245         UBool kMonetaryDecimalSet = FALSE;
    246         UBool kMonetaryGroupingSet = FALSE;
    247         for(int32_t i = 0; i<kFormatSymbolCount; i++) {
    248             if ( gNumberElementKeys[i] != NULL ) {
    249                 UErrorCode localStatus = U_ZERO_ERROR;
    250                 if ( !isLatn ) {
    251                     sym = ures_getStringByKeyWithFallback(nonLatnSymbols,gNumberElementKeys[i],&len,&localStatus);
    252                     // If we can't find the symbol in the numbering system specific resources,
    253                     // use the "latn" numbering system as the fallback.
    254                     if ( U_FAILURE(localStatus) ) {
    255                         localStatus = U_ZERO_ERROR;
    256                         sym = ures_getStringByKeyWithFallback(latnSymbols,gNumberElementKeys[i],&len,&localStatus);
    257                     }
    258                 } else {
    259                         sym = ures_getStringByKeyWithFallback(latnSymbols,gNumberElementKeys[i],&len,&localStatus);
    260                 }
    261 
    262                 if ( U_SUCCESS(localStatus) ) {
    263                     setSymbol((ENumberFormatSymbol)i,sym);
    264                     if ( i == kMonetarySeparatorSymbol ) {
    265                         kMonetaryDecimalSet = TRUE;
    266                     } else if ( i == kMonetaryGroupingSeparatorSymbol ) {
    267                         kMonetaryGroupingSet = TRUE;
    268                     }
    269                 }
    270             }
    271         }
    272 
    273         ures_close(latnSymbols);
    274         if ( !isLatn ) {
    275             ures_close(nonLatnSymbols);
    276         }
    277 
    278         // If monetary decimal or grouping were not explicitly set, then set them to be the
    279         // same as their non-monetary counterparts.
    280 
    281         if ( !kMonetaryDecimalSet ) {
    282             setSymbol(kMonetarySeparatorSymbol,fSymbols[kDecimalSeparatorSymbol]);
    283         }
    284         if ( !kMonetaryGroupingSet ) {
    285             setSymbol(kMonetaryGroupingSeparatorSymbol,fSymbols[kGroupingSeparatorSymbol]);
    286         }
    287 
    288         if (ns) {
    289             delete ns;
    290         }
    291 
    292         // Obtain currency data from the currency API.  This is strictly
    293         // for backward compatibility; we don't use DecimalFormatSymbols
    294         // for currency data anymore.
    295         UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
    296         UChar curriso[4];
    297         UnicodeString tempStr;
    298         ucurr_forLocale(locStr, curriso, 4, &internalStatus);
    299 
    300         // Reuse numberElements[0] as a temporary buffer
    301         uprv_getStaticCurrencyName(curriso, locStr, tempStr, internalStatus);
    302         if (U_SUCCESS(internalStatus)) {
    303             fSymbols[kIntlCurrencySymbol] = curriso;
    304             fSymbols[kCurrencySymbol] = tempStr;
    305         }
    306         /* else use the default values. */
    307 
    308         U_LOCALE_BASED(locBased, *this);
    309         locBased.setLocaleIDs(ures_getLocaleByType(numberElementsRes,
    310                               ULOC_VALID_LOCALE, &status),
    311                               ures_getLocaleByType(numberElementsRes,
    312                               ULOC_ACTUAL_LOCALE, &status));
    313 
    314         //load the currency data
    315         UChar ucc[4]={0}; //Currency Codes are always 3 chars long
    316         int32_t uccLen = 4;
    317         const char* locName = loc.getName();
    318         UErrorCode localStatus = U_ZERO_ERROR;
    319         uccLen = ucurr_forLocale(locName, ucc, uccLen, &localStatus);
    320 
    321         if(U_SUCCESS(localStatus) && uccLen > 0) {
    322             char cc[4]={0};
    323             u_UCharsToChars(ucc, cc, uccLen);
    324             /* An explicit currency was requested */
    325             UResourceBundle *currencyResource = ures_open(U_ICUDATA_CURR, locStr, &localStatus);
    326             UResourceBundle *currency = ures_getByKeyWithFallback(currencyResource, "Currencies", NULL, &localStatus);
    327             currency = ures_getByKeyWithFallback(currency, cc, currency, &localStatus);
    328             if(U_SUCCESS(localStatus) && ures_getSize(currency)>2) { // the length is 3 if more data is present
    329                 currency = ures_getByIndex(currency, 2, currency, &localStatus);
    330                 int32_t currPatternLen = 0;
    331                 currPattern = ures_getStringByIndex(currency, (int32_t)0, &currPatternLen, &localStatus);
    332                 UnicodeString decimalSep = ures_getStringByIndex(currency, (int32_t)1, NULL, &localStatus);
    333                 UnicodeString groupingSep = ures_getStringByIndex(currency, (int32_t)2, NULL, &localStatus);
    334                 if(U_SUCCESS(localStatus)){
    335                     fSymbols[kMonetaryGroupingSeparatorSymbol] = groupingSep;
    336                     fSymbols[kMonetarySeparatorSymbol] = decimalSep;
    337                     //pattern.setTo(TRUE, currPattern, currPatternLen);
    338                     status = localStatus;
    339                 }
    340             }
    341             ures_close(currency);
    342             ures_close(currencyResource);
    343             /* else An explicit currency was requested and is unknown or locale data is malformed. */
    344             /* ucurr_* API will get the correct value later on. */
    345         }
    346             // else ignore the error if no currency
    347 
    348         // Currency Spacing.
    349         localStatus = U_ZERO_ERROR;
    350         UResourceBundle *currencyResource = ures_open(U_ICUDATA_CURR, locStr, &localStatus);
    351         UResourceBundle *currencySpcRes = ures_getByKeyWithFallback(currencyResource,
    352                                            gCurrencySpacingTag, NULL, &localStatus);
    353 
    354         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
    355             const char* keywords[kCurrencySpacingCount] = {
    356                 gCurrencyMatchTag, gCurrencySudMatchTag, gCurrencyInsertBtnTag
    357             };
    358             localStatus = U_ZERO_ERROR;
    359             UResourceBundle *dataRes = ures_getByKeyWithFallback(currencySpcRes,
    360                                        gBeforeCurrencyTag, NULL, &localStatus);
    361             if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
    362                 localStatus = U_ZERO_ERROR;
    363                 for (int32_t i = 0; i < kCurrencySpacingCount; i++) {
    364                   currencySpcBeforeSym[i] = ures_getStringByKey(dataRes, keywords[i],
    365                                                             NULL, &localStatus);
    366                 }
    367                 ures_close(dataRes);
    368             }
    369             dataRes = ures_getByKeyWithFallback(currencySpcRes,
    370                                       gAfterCurrencyTag, NULL, &localStatus);
    371             if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
    372                 localStatus = U_ZERO_ERROR;
    373                 for (int32_t i = 0; i < kCurrencySpacingCount; i++) {
    374                   currencySpcAfterSym[i] = ures_getStringByKey(dataRes, keywords[i],
    375                                                                 NULL, &localStatus);
    376                 }
    377                 ures_close(dataRes);
    378             }
    379             ures_close(currencySpcRes);
    380             ures_close(currencyResource);
    381         }
    382     }
    383     ures_close(resource);
    384     ures_close(numberElementsRes);
    385 
    386 }
    387 
    388 void
    389 DecimalFormatSymbols::initialize() {
    390     /*
    391      * These strings used to be in static arrays, but the HP/UX aCC compiler
    392      * cannot initialize a static array with class constructors.
    393      *  markus 2000may25
    394      */
    395     fSymbols[kDecimalSeparatorSymbol] = (UChar)0x2e;    // '.' decimal separator
    396     fSymbols[kGroupingSeparatorSymbol].remove();        //     group (thousands) separator
    397     fSymbols[kPatternSeparatorSymbol] = (UChar)0x3b;    // ';' pattern separator
    398     fSymbols[kPercentSymbol] = (UChar)0x25;             // '%' percent sign
    399     fSymbols[kZeroDigitSymbol] = (UChar)0x30;           // '0' native 0 digit
    400     fSymbols[kOneDigitSymbol] = (UChar)0x31;            // '1' native 1 digit
    401     fSymbols[kTwoDigitSymbol] = (UChar)0x32;            // '2' native 2 digit
    402     fSymbols[kThreeDigitSymbol] = (UChar)0x33;          // '3' native 3 digit
    403     fSymbols[kFourDigitSymbol] = (UChar)0x34;           // '4' native 4 digit
    404     fSymbols[kFiveDigitSymbol] = (UChar)0x35;           // '5' native 5 digit
    405     fSymbols[kSixDigitSymbol] = (UChar)0x36;            // '6' native 6 digit
    406     fSymbols[kSevenDigitSymbol] = (UChar)0x37;          // '7' native 7 digit
    407     fSymbols[kEightDigitSymbol] = (UChar)0x38;          // '8' native 8 digit
    408     fSymbols[kNineDigitSymbol] = (UChar)0x39;           // '9' native 9 digit
    409     fSymbols[kDigitSymbol] = (UChar)0x23;               // '#' pattern digit
    410     fSymbols[kPlusSignSymbol] = (UChar)0x002b;          // '+' plus sign
    411     fSymbols[kMinusSignSymbol] = (UChar)0x2d;           // '-' minus sign
    412     fSymbols[kCurrencySymbol] = (UChar)0xa4;            // 'OX' currency symbol
    413     fSymbols[kIntlCurrencySymbol] = INTL_CURRENCY_SYMBOL_STR;
    414     fSymbols[kMonetarySeparatorSymbol] = (UChar)0x2e;   // '.' monetary decimal separator
    415     fSymbols[kExponentialSymbol] = (UChar)0x45;         // 'E' exponential
    416     fSymbols[kPerMillSymbol] = (UChar)0x2030;           // '%o' per mill
    417     fSymbols[kPadEscapeSymbol] = (UChar)0x2a;           // '*' pad escape symbol
    418     fSymbols[kInfinitySymbol] = (UChar)0x221e;          // 'oo' infinite
    419     fSymbols[kNaNSymbol] = (UChar)0xfffd;               // SUB NaN
    420     fSymbols[kSignificantDigitSymbol] = (UChar)0x0040;  // '@' significant digit
    421     fSymbols[kMonetaryGroupingSeparatorSymbol].remove(); //
    422 }
    423 
    424 Locale
    425 DecimalFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
    426     U_LOCALE_BASED(locBased, *this);
    427     return locBased.getLocale(type, status);
    428 }
    429 
    430 const UnicodeString&
    431 DecimalFormatSymbols::getPatternForCurrencySpacing(ECurrencySpacing type,
    432                                                  UBool beforeCurrency,
    433                                                  UErrorCode& status) const {
    434     if (U_FAILURE(status)) {
    435       return fNoSymbol;  // always empty.
    436     }
    437     if (beforeCurrency) {
    438       return currencySpcBeforeSym[(int32_t)type];
    439     } else {
    440       return currencySpcAfterSym[(int32_t)type];
    441     }
    442 }
    443 
    444 void
    445 DecimalFormatSymbols::setPatternForCurrencySpacing(ECurrencySpacing type,
    446                                                    UBool beforeCurrency,
    447                                              const UnicodeString& pattern) {
    448   if (beforeCurrency) {
    449     currencySpcBeforeSym[(int32_t)type] = pattern;
    450   } else {
    451     currencySpcAfterSym[(int32_t)type] =  pattern;
    452   }
    453 }
    454 U_NAMESPACE_END
    455 
    456 #endif /* #if !UCONFIG_NO_FORMATTING */
    457 
    458 //eof
    459