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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 "unicode/unum.h"
     32 #include "ucurrimp.h"
     33 #include "cstring.h"
     34 #include "locbased.h"
     35 #include "uresimp.h"
     36 #include "ureslocs.h"
     37 
     38 // *****************************************************************************
     39 // class DecimalFormatSymbols
     40 // *****************************************************************************
     41 
     42 U_NAMESPACE_BEGIN
     43 
     44 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DecimalFormatSymbols)
     45 
     46 static const char gNumberElements[] = "NumberElements";
     47 static const char gCurrencySpacingTag[] = "currencySpacing";
     48 static const char gBeforeCurrencyTag[] = "beforeCurrency";
     49 static const char gAfterCurrencyTag[] = "afterCurrency";
     50 static const char gCurrencyMatchTag[] = "currencyMatch";
     51 static const char gCurrencySudMatchTag[] = "surroundingMatch";
     52 static const char gCurrencyInsertBtnTag[] = "insertBetween";
     53 
     54 
     55 static const UChar INTL_CURRENCY_SYMBOL_STR[] = {0xa4, 0xa4, 0};
     56 
     57 // -------------------------------------
     58 // Initializes this with the decimal format symbols in the default locale.
     59 
     60 DecimalFormatSymbols::DecimalFormatSymbols(UErrorCode& status)
     61     : UObject(),
     62     locale()
     63 {
     64     initialize(locale, status, TRUE);
     65 }
     66 
     67 // -------------------------------------
     68 // Initializes this with the decimal format symbols in the desired locale.
     69 
     70 DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, UErrorCode& status)
     71     : UObject(),
     72     locale(loc)
     73 {
     74     initialize(locale, status);
     75 }
     76 
     77 // BEGIN android-added: we need a default constructor for performance.
     78 // -------------------------------------
     79 
     80 DecimalFormatSymbols::DecimalFormatSymbols()
     81 {
     82     initialize();
     83 }
     84 // END android-added
     85 
     86 // -------------------------------------
     87 
     88 DecimalFormatSymbols::~DecimalFormatSymbols()
     89 {
     90 }
     91 
     92 // -------------------------------------
     93 // copy constructor
     94 
     95 DecimalFormatSymbols::DecimalFormatSymbols(const DecimalFormatSymbols &source)
     96     : UObject(source)
     97 {
     98     *this = source;
     99 }
    100 
    101 // -------------------------------------
    102 // assignment operator
    103 
    104 DecimalFormatSymbols&
    105 DecimalFormatSymbols::operator=(const DecimalFormatSymbols& rhs)
    106 {
    107     if (this != &rhs) {
    108         for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
    109             // fastCopyFrom is safe, see docs on fSymbols
    110             fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(rhs.fSymbols[(ENumberFormatSymbol)i]);
    111         }
    112         for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
    113             currencySpcBeforeSym[i].fastCopyFrom(rhs.currencySpcBeforeSym[i]);
    114             currencySpcAfterSym[i].fastCopyFrom(rhs.currencySpcAfterSym[i]);
    115         }
    116         locale = rhs.locale;
    117         uprv_strcpy(validLocale, rhs.validLocale);
    118         uprv_strcpy(actualLocale, rhs.actualLocale);
    119     }
    120     return *this;
    121 }
    122 
    123 // -------------------------------------
    124 
    125 UBool
    126 DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
    127 {
    128     if (this == &that) {
    129         return TRUE;
    130     }
    131     for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
    132         if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
    133             return FALSE;
    134         }
    135     }
    136     for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
    137         if(currencySpcBeforeSym[i] != that.currencySpcBeforeSym[i]) {
    138             return FALSE;
    139         }
    140         if(currencySpcAfterSym[i] != that.currencySpcAfterSym[i]) {
    141             return FALSE;
    142         }
    143     }
    144     return locale == that.locale &&
    145         uprv_strcmp(validLocale, that.validLocale) == 0 &&
    146         uprv_strcmp(actualLocale, that.actualLocale) == 0;
    147 }
    148 
    149 // -------------------------------------
    150 
    151 void
    152 DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status, UBool useLastResortData)
    153 {
    154     static const char *gNumberElementKeys[kFormatSymbolCount] = {
    155         "decimal",
    156         "group",
    157         "list",
    158         "percentSign",
    159         NULL, /* Native zero digit is deprecated from CLDR - get it from the numbering system */
    160         NULL, /* Pattern digit character is deprecated from CLDR - use # by default always */
    161         "minusSign",
    162         "plusSign",
    163         NULL, /* currency symbol - We don't really try to load this directly from CLDR until we know the currency */
    164         NULL, /* intl currency symbol - We don't really try to load this directly from CLDR until we know the currency */
    165         "currencyDecimal",
    166         "exponential",
    167         "perMille",
    168         NULL, /* Escape padding character - not in CLDR */
    169         "infinity",
    170         "nan",
    171         NULL, /* Significant digit symbol - not in CLDR */
    172         "currencyGroup",
    173         NULL, /* one digit - get it from the numbering system */
    174         NULL, /* two digit - get it from the numbering system */
    175         NULL, /* three digit - get it from the numbering system */
    176         NULL, /* four digit - get it from the numbering system */
    177         NULL, /* five digit - get it from the numbering system */
    178         NULL, /* six digit - get it from the numbering system */
    179         NULL, /* seven digit - get it from the numbering system */
    180         NULL, /* eight digit - get it from the numbering system */
    181         NULL, /* nine digit - get it from the numbering system */
    182     };
    183 
    184     static const char *gLatn =  "latn";
    185     static const char *gSymbols = "symbols";
    186     const char *nsName;
    187     const UChar *sym = NULL;
    188     int32_t len = 0;
    189 
    190     *validLocale = *actualLocale = 0;
    191     currPattern = NULL;
    192     if (U_FAILURE(status))
    193         return;
    194 
    195     const char* locStr = loc.getName();
    196     UResourceBundle *resource = ures_open((char *)0, locStr, &status);
    197     UResourceBundle *numberElementsRes = ures_getByKeyWithFallback(resource, gNumberElements, NULL, &status);
    198 
    199     if (U_FAILURE(status)) {
    200         if ( useLastResortData ) {
    201             status = U_USING_FALLBACK_WARNING;
    202             initialize();
    203         }
    204         return;
    205     } else {
    206 
    207         // First initialize all the symbols to the fallbacks for anything we can't find
    208         initialize();
    209 
    210         //
    211         // Next get the numbering system for this locale and set zero digit
    212         // and the digit string based on the numbering system for the locale
    213         //
    214 
    215         NumberingSystem* ns = NumberingSystem::createInstance(loc,status);
    216         if (U_SUCCESS(status) && ns->getRadix() == 10 && !ns->isAlgorithmic()) {
    217             nsName = ns->getName();
    218             UnicodeString *DigitString = new UnicodeString(ns->getDescription());
    219                 setSymbol(kZeroDigitSymbol,DigitString->charAt(0),FALSE);
    220                 setSymbol(kOneDigitSymbol,DigitString->charAt(1),FALSE);
    221                 setSymbol(kTwoDigitSymbol,DigitString->charAt(2),FALSE);
    222                 setSymbol(kThreeDigitSymbol,DigitString->charAt(3),FALSE);
    223                 setSymbol(kFourDigitSymbol,DigitString->charAt(4),FALSE);
    224                 setSymbol(kFiveDigitSymbol,DigitString->charAt(5),FALSE);
    225                 setSymbol(kSixDigitSymbol,DigitString->charAt(6),FALSE);
    226                 setSymbol(kSevenDigitSymbol,DigitString->charAt(7),FALSE);
    227                 setSymbol(kEightDigitSymbol,DigitString->charAt(8),FALSE);
    228                 setSymbol(kNineDigitSymbol,DigitString->charAt(9),FALSE);
    229             delete DigitString;
    230         } else {
    231             nsName = gLatn;
    232         }
    233 
    234         UBool isLatn = !uprv_strcmp(nsName,gLatn);
    235 
    236         UErrorCode nlStatus = U_ZERO_ERROR;
    237         UResourceBundle *nonLatnSymbols = NULL;
    238         if ( !isLatn ) {
    239             nonLatnSymbols = ures_getByKeyWithFallback(numberElementsRes, nsName, NULL, &nlStatus);
    240             nonLatnSymbols = ures_getByKeyWithFallback(nonLatnSymbols, gSymbols, nonLatnSymbols, &nlStatus);
    241         }
    242 
    243         UResourceBundle *latnSymbols = ures_getByKeyWithFallback(numberElementsRes, gLatn, NULL, &status);
    244         latnSymbols = ures_getByKeyWithFallback(latnSymbols, gSymbols, latnSymbols, &status);
    245 
    246         UBool kMonetaryDecimalSet = FALSE;
    247         UBool kMonetaryGroupingSet = FALSE;
    248         for(int32_t i = 0; i<kFormatSymbolCount; i++) {
    249             if ( gNumberElementKeys[i] != NULL ) {
    250                 UErrorCode localStatus = U_ZERO_ERROR;
    251                 if ( !isLatn ) {
    252                     sym = ures_getStringByKeyWithFallback(nonLatnSymbols,gNumberElementKeys[i],&len,&localStatus);
    253                     // If we can't find the symbol in the numbering system specific resources,
    254                     // use the "latn" numbering system as the fallback.
    255                     if ( U_FAILURE(localStatus) ) {
    256                         localStatus = U_ZERO_ERROR;
    257                         sym = ures_getStringByKeyWithFallback(latnSymbols,gNumberElementKeys[i],&len,&localStatus);
    258                     }
    259                 } else {
    260                         sym = ures_getStringByKeyWithFallback(latnSymbols,gNumberElementKeys[i],&len,&localStatus);
    261                 }
    262 
    263                 if ( U_SUCCESS(localStatus) ) {
    264                     setSymbol((ENumberFormatSymbol)i,sym);
    265                     if ( i == kMonetarySeparatorSymbol ) {
    266                         kMonetaryDecimalSet = TRUE;
    267                     } else if ( i == kMonetaryGroupingSeparatorSymbol ) {
    268                         kMonetaryGroupingSet = TRUE;
    269                     }
    270                 }
    271             }
    272         }
    273 
    274         ures_close(latnSymbols);
    275         if ( !isLatn ) {
    276             ures_close(nonLatnSymbols);
    277         }
    278 
    279         // If monetary decimal or grouping were not explicitly set, then set them to be the
    280         // same as their non-monetary counterparts.
    281 
    282         if ( !kMonetaryDecimalSet ) {
    283             setSymbol(kMonetarySeparatorSymbol,fSymbols[kDecimalSeparatorSymbol]);
    284         }
    285         if ( !kMonetaryGroupingSet ) {
    286             setSymbol(kMonetaryGroupingSeparatorSymbol,fSymbols[kGroupingSeparatorSymbol]);
    287         }
    288 
    289         if (ns) {
    290             delete ns;
    291         }
    292 
    293         // Obtain currency data from the currency API.  This is strictly
    294         // for backward compatibility; we don't use DecimalFormatSymbols
    295         // for currency data anymore.
    296         UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
    297         UChar curriso[4];
    298         UnicodeString tempStr;
    299         ucurr_forLocale(locStr, curriso, 4, &internalStatus);
    300 
    301         // Reuse numberElements[0] as a temporary buffer
    302         uprv_getStaticCurrencyName(curriso, locStr, tempStr, internalStatus);
    303         if (U_SUCCESS(internalStatus)) {
    304             fSymbols[kIntlCurrencySymbol] = curriso;
    305             fSymbols[kCurrencySymbol] = tempStr;
    306         }
    307         /* else use the default values. */
    308 
    309         U_LOCALE_BASED(locBased, *this);
    310         locBased.setLocaleIDs(ures_getLocaleByType(numberElementsRes,
    311                               ULOC_VALID_LOCALE, &status),
    312                               ures_getLocaleByType(numberElementsRes,
    313                               ULOC_ACTUAL_LOCALE, &status));
    314 
    315         //load the currency data
    316         UChar ucc[4]={0}; //Currency Codes are always 3 chars long
    317         int32_t uccLen = 4;
    318         const char* locName = loc.getName();
    319         UErrorCode localStatus = U_ZERO_ERROR;
    320         uccLen = ucurr_forLocale(locName, ucc, uccLen, &localStatus);
    321 
    322         if(U_SUCCESS(localStatus) && uccLen > 0) {
    323             char cc[4]={0};
    324             u_UCharsToChars(ucc, cc, uccLen);
    325             /* An explicit currency was requested */
    326             UResourceBundle *currencyResource = ures_open(U_ICUDATA_CURR, locStr, &localStatus);
    327             UResourceBundle *currency = ures_getByKeyWithFallback(currencyResource, "Currencies", NULL, &localStatus);
    328             currency = ures_getByKeyWithFallback(currency, cc, currency, &localStatus);
    329             if(U_SUCCESS(localStatus) && ures_getSize(currency)>2) { // the length is 3 if more data is present
    330                 currency = ures_getByIndex(currency, 2, currency, &localStatus);
    331                 int32_t currPatternLen = 0;
    332                 currPattern = ures_getStringByIndex(currency, (int32_t)0, &currPatternLen, &localStatus);
    333                 UnicodeString decimalSep = ures_getStringByIndex(currency, (int32_t)1, NULL, &localStatus);
    334                 UnicodeString groupingSep = ures_getStringByIndex(currency, (int32_t)2, NULL, &localStatus);
    335                 if(U_SUCCESS(localStatus)){
    336                     fSymbols[kMonetaryGroupingSeparatorSymbol] = groupingSep;
    337                     fSymbols[kMonetarySeparatorSymbol] = decimalSep;
    338                     //pattern.setTo(TRUE, currPattern, currPatternLen);
    339                     status = localStatus;
    340                 }
    341             }
    342             ures_close(currency);
    343             ures_close(currencyResource);
    344             /* else An explicit currency was requested and is unknown or locale data is malformed. */
    345             /* ucurr_* API will get the correct value later on. */
    346         }
    347             // else ignore the error if no currency
    348 
    349         // Currency Spacing.
    350         localStatus = U_ZERO_ERROR;
    351         UResourceBundle *currencyResource = ures_open(U_ICUDATA_CURR, locStr, &localStatus);
    352         UResourceBundle *currencySpcRes = ures_getByKeyWithFallback(currencyResource,
    353                                            gCurrencySpacingTag, NULL, &localStatus);
    354 
    355         if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
    356             const char* keywords[UNUM_CURRENCY_SPACING_COUNT] = {
    357                 gCurrencyMatchTag, gCurrencySudMatchTag, gCurrencyInsertBtnTag
    358             };
    359             localStatus = U_ZERO_ERROR;
    360             UResourceBundle *dataRes = ures_getByKeyWithFallback(currencySpcRes,
    361                                        gBeforeCurrencyTag, NULL, &localStatus);
    362             if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
    363                 localStatus = U_ZERO_ERROR;
    364                 for (int32_t i = 0; i < UNUM_CURRENCY_SPACING_COUNT; i++) {
    365                   currencySpcBeforeSym[i] = ures_getStringByKey(dataRes, keywords[i],
    366                                                             NULL, &localStatus);
    367                 }
    368                 ures_close(dataRes);
    369             }
    370             dataRes = ures_getByKeyWithFallback(currencySpcRes,
    371                                       gAfterCurrencyTag, NULL, &localStatus);
    372             if (localStatus == U_USING_FALLBACK_WARNING || U_SUCCESS(localStatus)) {
    373                 localStatus = U_ZERO_ERROR;
    374                 for (int32_t i = 0; i < UNUM_CURRENCY_SPACING_COUNT; i++) {
    375                   currencySpcAfterSym[i] = ures_getStringByKey(dataRes, keywords[i],
    376                                                                 NULL, &localStatus);
    377                 }
    378                 ures_close(dataRes);
    379             }
    380             ures_close(currencySpcRes);
    381             ures_close(currencyResource);
    382         }
    383     }
    384     ures_close(resource);
    385     ures_close(numberElementsRes);
    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] = INTL_CURRENCY_SYMBOL_STR;
    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
    460