intl/icu/source/i18n/currpinf.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/icu/source/i18n/currpinf.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,399 @@
     1.4 +/*
     1.5 + *******************************************************************************
     1.6 + * Copyright (C) 2009-2011, International Business Machines Corporation and
     1.7 + * others. All Rights Reserved.
     1.8 + *******************************************************************************
     1.9 + */
    1.10 +
    1.11 +#include "unicode/currpinf.h"
    1.12 +
    1.13 +#if !UCONFIG_NO_FORMATTING
    1.14 +
    1.15 +//#define CURRENCY_PLURAL_INFO_DEBUG 1
    1.16 +
    1.17 +#ifdef CURRENCY_PLURAL_INFO_DEBUG
    1.18 +#include <iostream>
    1.19 +#endif
    1.20 +
    1.21 +
    1.22 +#include "unicode/locid.h"
    1.23 +#include "unicode/plurrule.h"
    1.24 +#include "unicode/ures.h"
    1.25 +#include "unicode/numsys.h"
    1.26 +#include "cstring.h"
    1.27 +#include "hash.h"
    1.28 +#include "uresimp.h"
    1.29 +#include "ureslocs.h"
    1.30 +
    1.31 +U_NAMESPACE_BEGIN
    1.32 +
    1.33 +
    1.34 +static const UChar gNumberPatternSeparator = 0x3B; // ;
    1.35 +
    1.36 +U_CDECL_BEGIN
    1.37 +
    1.38 +/**
    1.39 + * @internal ICU 4.2
    1.40 + */
    1.41 +static UBool U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2);
    1.42 +
    1.43 +UBool
    1.44 +U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2) {
    1.45 +    const UnicodeString* affix_1 = (UnicodeString*)val1.pointer;
    1.46 +    const UnicodeString* affix_2 = (UnicodeString*)val2.pointer;
    1.47 +    return  *affix_1 == *affix_2;
    1.48 +}
    1.49 +
    1.50 +U_CDECL_END
    1.51 +
    1.52 +
    1.53 +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(CurrencyPluralInfo)
    1.54 +
    1.55 +static const UChar gDefaultCurrencyPluralPattern[] = {'0', '.', '#', '#', ' ', 0xA4, 0xA4, 0xA4, 0};
    1.56 +static const UChar gTripleCurrencySign[] = {0xA4, 0xA4, 0xA4, 0};
    1.57 +static const UChar gPluralCountOther[] = {0x6F, 0x74, 0x68, 0x65, 0x72, 0};
    1.58 +static const UChar gPart0[] = {0x7B, 0x30, 0x7D, 0};
    1.59 +static const UChar gPart1[] = {0x7B, 0x31, 0x7D, 0};
    1.60 +
    1.61 +static const char gNumberElementsTag[]="NumberElements";
    1.62 +static const char gLatnTag[]="latn";
    1.63 +static const char gPatternsTag[]="patterns";
    1.64 +static const char gDecimalFormatTag[]="decimalFormat";
    1.65 +static const char gCurrUnitPtnTag[]="CurrencyUnitPatterns";
    1.66 +
    1.67 +CurrencyPluralInfo::CurrencyPluralInfo(UErrorCode& status)
    1.68 +:   fPluralCountToCurrencyUnitPattern(NULL),
    1.69 +    fPluralRules(NULL),
    1.70 +    fLocale(NULL) {
    1.71 +    initialize(Locale::getDefault(), status);
    1.72 +}
    1.73 +
    1.74 +CurrencyPluralInfo::CurrencyPluralInfo(const Locale& locale, UErrorCode& status)
    1.75 +:   fPluralCountToCurrencyUnitPattern(NULL),
    1.76 +    fPluralRules(NULL),
    1.77 +    fLocale(NULL) {
    1.78 +    initialize(locale, status);
    1.79 +}
    1.80 +
    1.81 +CurrencyPluralInfo::CurrencyPluralInfo(const CurrencyPluralInfo& info) 
    1.82 +:   UObject(info),
    1.83 +    fPluralCountToCurrencyUnitPattern(NULL),
    1.84 +    fPluralRules(NULL),
    1.85 +    fLocale(NULL) {
    1.86 +    *this = info;
    1.87 +}
    1.88 +
    1.89 +
    1.90 +CurrencyPluralInfo&
    1.91 +CurrencyPluralInfo::operator=(const CurrencyPluralInfo& info) {
    1.92 +    if (this == &info) {
    1.93 +        return *this;
    1.94 +    }
    1.95 +
    1.96 +    deleteHash(fPluralCountToCurrencyUnitPattern);
    1.97 +    UErrorCode status = U_ZERO_ERROR;
    1.98 +    fPluralCountToCurrencyUnitPattern = initHash(status);
    1.99 +    copyHash(info.fPluralCountToCurrencyUnitPattern, 
   1.100 +             fPluralCountToCurrencyUnitPattern, status);
   1.101 +    if ( U_FAILURE(status) ) {
   1.102 +        return *this;
   1.103 +    }
   1.104 +
   1.105 +    delete fPluralRules;
   1.106 +    delete fLocale;
   1.107 +    if (info.fPluralRules) {
   1.108 +        fPluralRules = info.fPluralRules->clone();
   1.109 +    } else {
   1.110 +        fPluralRules = NULL;
   1.111 +    }
   1.112 +    if (info.fLocale) {
   1.113 +        fLocale = info.fLocale->clone();
   1.114 +    } else {
   1.115 +        fLocale = NULL;
   1.116 +    }
   1.117 +    return *this;
   1.118 +}
   1.119 +
   1.120 +
   1.121 +CurrencyPluralInfo::~CurrencyPluralInfo() {
   1.122 +    deleteHash(fPluralCountToCurrencyUnitPattern);
   1.123 +    fPluralCountToCurrencyUnitPattern = NULL;
   1.124 +    delete fPluralRules;
   1.125 +    delete fLocale;
   1.126 +    fPluralRules = NULL;
   1.127 +    fLocale = NULL;
   1.128 +}
   1.129 +
   1.130 +UBool
   1.131 +CurrencyPluralInfo::operator==(const CurrencyPluralInfo& info) const {
   1.132 +#ifdef CURRENCY_PLURAL_INFO_DEBUG
   1.133 +    if (*fPluralRules == *info.fPluralRules) {
   1.134 +        std::cout << "same plural rules\n";
   1.135 +    }
   1.136 +    if (*fLocale == *info.fLocale) {
   1.137 +        std::cout << "same locale\n";
   1.138 +    }
   1.139 +    if (fPluralCountToCurrencyUnitPattern->equals(*info.fPluralCountToCurrencyUnitPattern)) {
   1.140 +        std::cout << "same pattern\n";
   1.141 +    }
   1.142 +#endif
   1.143 +    return *fPluralRules == *info.fPluralRules &&
   1.144 +           *fLocale == *info.fLocale &&
   1.145 +           fPluralCountToCurrencyUnitPattern->equals(*info.fPluralCountToCurrencyUnitPattern);
   1.146 +}
   1.147 +
   1.148 +
   1.149 +CurrencyPluralInfo*
   1.150 +CurrencyPluralInfo::clone() const {
   1.151 +    return new CurrencyPluralInfo(*this);
   1.152 +}
   1.153 +
   1.154 +const PluralRules* 
   1.155 +CurrencyPluralInfo::getPluralRules() const {
   1.156 +    return fPluralRules;
   1.157 +}
   1.158 +
   1.159 +UnicodeString&
   1.160 +CurrencyPluralInfo::getCurrencyPluralPattern(const UnicodeString&  pluralCount,
   1.161 +                                             UnicodeString& result) const {
   1.162 +    const UnicodeString* currencyPluralPattern = 
   1.163 +        (UnicodeString*)fPluralCountToCurrencyUnitPattern->get(pluralCount);
   1.164 +    if (currencyPluralPattern == NULL) {
   1.165 +        // fall back to "other"
   1.166 +        if (pluralCount.compare(gPluralCountOther, 5)) {
   1.167 +            currencyPluralPattern = 
   1.168 +                (UnicodeString*)fPluralCountToCurrencyUnitPattern->get(UnicodeString(TRUE, gPluralCountOther, 5));
   1.169 +        }
   1.170 +        if (currencyPluralPattern == NULL) {
   1.171 +            // no currencyUnitPatterns defined, 
   1.172 +            // fallback to predefined defult.
   1.173 +            // This should never happen when ICU resource files are
   1.174 +            // available, since currencyUnitPattern of "other" is always
   1.175 +            // defined in root.
   1.176 +            result = UnicodeString(gDefaultCurrencyPluralPattern);
   1.177 +            return result;
   1.178 +        }
   1.179 +    }
   1.180 +    result = *currencyPluralPattern;
   1.181 +    return result;
   1.182 +}
   1.183 +
   1.184 +const Locale&
   1.185 +CurrencyPluralInfo::getLocale() const {
   1.186 +    return *fLocale;
   1.187 +}
   1.188 +
   1.189 +void
   1.190 +CurrencyPluralInfo::setPluralRules(const UnicodeString& ruleDescription,
   1.191 +                                   UErrorCode& status) {
   1.192 +    if (U_SUCCESS(status)) {
   1.193 +        if (fPluralRules) {
   1.194 +            delete fPluralRules;
   1.195 +        }
   1.196 +        fPluralRules = PluralRules::createRules(ruleDescription, status);
   1.197 +    }
   1.198 +}
   1.199 +
   1.200 +
   1.201 +void
   1.202 +CurrencyPluralInfo::setCurrencyPluralPattern(const UnicodeString& pluralCount,
   1.203 +                                             const UnicodeString& pattern,
   1.204 +                                             UErrorCode& status) {
   1.205 +    if (U_SUCCESS(status)) {
   1.206 +        fPluralCountToCurrencyUnitPattern->put(pluralCount, new UnicodeString(pattern), status);
   1.207 +    }
   1.208 +}
   1.209 +
   1.210 +
   1.211 +void
   1.212 +CurrencyPluralInfo::setLocale(const Locale& loc, UErrorCode& status) {
   1.213 +    initialize(loc, status);
   1.214 +}
   1.215 +
   1.216 +
   1.217 +void 
   1.218 +CurrencyPluralInfo::initialize(const Locale& loc, UErrorCode& status) {
   1.219 +    if (U_FAILURE(status)) {
   1.220 +        return;
   1.221 +    }
   1.222 +    delete fLocale;
   1.223 +    fLocale = loc.clone();
   1.224 +    if (fPluralRules) {
   1.225 +        delete fPluralRules;
   1.226 +    }
   1.227 +    fPluralRules = PluralRules::forLocale(loc, status);
   1.228 +    setupCurrencyPluralPattern(loc, status);
   1.229 +}
   1.230 +
   1.231 +   
   1.232 +void
   1.233 +CurrencyPluralInfo::setupCurrencyPluralPattern(const Locale& loc, UErrorCode& status) {
   1.234 +    if (U_FAILURE(status)) {
   1.235 +        return;
   1.236 +    }
   1.237 +
   1.238 +    if (fPluralCountToCurrencyUnitPattern) {
   1.239 +        deleteHash(fPluralCountToCurrencyUnitPattern);
   1.240 +    }
   1.241 +    fPluralCountToCurrencyUnitPattern = initHash(status);
   1.242 +    if (U_FAILURE(status)) {
   1.243 +        return;
   1.244 +    }
   1.245 +
   1.246 +    NumberingSystem *ns = NumberingSystem::createInstance(loc,status);
   1.247 +    UErrorCode ec = U_ZERO_ERROR;
   1.248 +    UResourceBundle *rb = ures_open(NULL, loc.getName(), &ec);
   1.249 +    UResourceBundle *numElements = ures_getByKeyWithFallback(rb, gNumberElementsTag, NULL, &ec);
   1.250 +    rb = ures_getByKeyWithFallback(numElements, ns->getName(), rb, &ec);
   1.251 +    rb = ures_getByKeyWithFallback(rb, gPatternsTag, rb, &ec);
   1.252 +    int32_t ptnLen;
   1.253 +    const UChar* numberStylePattern = ures_getStringByKeyWithFallback(rb, gDecimalFormatTag, &ptnLen, &ec);
   1.254 +    // Fall back to "latn" if num sys specific pattern isn't there.
   1.255 +    if ( ec == U_MISSING_RESOURCE_ERROR && uprv_strcmp(ns->getName(),gLatnTag)) {
   1.256 +        ec = U_ZERO_ERROR;
   1.257 +        rb = ures_getByKeyWithFallback(numElements, gLatnTag, rb, &ec);
   1.258 +        rb = ures_getByKeyWithFallback(rb, gPatternsTag, rb, &ec);
   1.259 +        numberStylePattern = ures_getStringByKeyWithFallback(rb, gDecimalFormatTag, &ptnLen, &ec);
   1.260 +    }
   1.261 +    int32_t numberStylePatternLen = ptnLen;
   1.262 +    const UChar* negNumberStylePattern = NULL;
   1.263 +    int32_t negNumberStylePatternLen = 0;
   1.264 +    // TODO: Java
   1.265 +    // parse to check whether there is ";" separator in the numberStylePattern
   1.266 +    UBool hasSeparator = false;
   1.267 +    if (U_SUCCESS(ec)) {
   1.268 +        for (int32_t styleCharIndex = 0; styleCharIndex < ptnLen; ++styleCharIndex) {
   1.269 +            if (numberStylePattern[styleCharIndex] == gNumberPatternSeparator) {
   1.270 +                hasSeparator = true;
   1.271 +                // split the number style pattern into positive and negative
   1.272 +                negNumberStylePattern = numberStylePattern + styleCharIndex + 1;
   1.273 +                negNumberStylePatternLen = ptnLen - styleCharIndex - 1;
   1.274 +                numberStylePatternLen = styleCharIndex;
   1.275 +            }
   1.276 +        }
   1.277 +    }
   1.278 +
   1.279 +    ures_close(numElements);
   1.280 +    ures_close(rb);
   1.281 +    delete ns;
   1.282 +
   1.283 +    if (U_FAILURE(ec)) {
   1.284 +        return;
   1.285 +    }
   1.286 +
   1.287 +    UResourceBundle *currRb = ures_open(U_ICUDATA_CURR, loc.getName(), &ec);
   1.288 +    UResourceBundle *currencyRes = ures_getByKeyWithFallback(currRb, gCurrUnitPtnTag, NULL, &ec);
   1.289 +    
   1.290 +#ifdef CURRENCY_PLURAL_INFO_DEBUG
   1.291 +    std::cout << "in set up\n";
   1.292 +#endif
   1.293 +    StringEnumeration* keywords = fPluralRules->getKeywords(ec);
   1.294 +    if (U_SUCCESS(ec)) {
   1.295 +        const char* pluralCount;
   1.296 +        while ((pluralCount = keywords->next(NULL, ec)) != NULL) {
   1.297 +            if ( U_SUCCESS(ec) ) {
   1.298 +                int32_t ptnLen;
   1.299 +                UErrorCode err = U_ZERO_ERROR;
   1.300 +                const UChar* patternChars = ures_getStringByKeyWithFallback(
   1.301 +                    currencyRes, pluralCount, &ptnLen, &err);
   1.302 +                if (U_SUCCESS(err) && ptnLen > 0) {
   1.303 +                    UnicodeString* pattern = new UnicodeString(patternChars, ptnLen);
   1.304 +#ifdef CURRENCY_PLURAL_INFO_DEBUG
   1.305 +                    char result_1[1000];
   1.306 +                    pattern->extract(0, pattern->length(), result_1, "UTF-8");
   1.307 +                    std::cout << "pluralCount: " << pluralCount << "; pattern: " << result_1 << "\n";
   1.308 +#endif
   1.309 +                    pattern->findAndReplace(UnicodeString(TRUE, gPart0, 3), 
   1.310 +                      UnicodeString(numberStylePattern, numberStylePatternLen));
   1.311 +                    pattern->findAndReplace(UnicodeString(TRUE, gPart1, 3), UnicodeString(TRUE, gTripleCurrencySign, 3));
   1.312 +
   1.313 +                    if (hasSeparator) {
   1.314 +                        UnicodeString negPattern(patternChars, ptnLen);
   1.315 +                        negPattern.findAndReplace(UnicodeString(TRUE, gPart0, 3), 
   1.316 +                          UnicodeString(negNumberStylePattern, negNumberStylePatternLen));
   1.317 +                        negPattern.findAndReplace(UnicodeString(TRUE, gPart1, 3), UnicodeString(TRUE, gTripleCurrencySign, 3));
   1.318 +                        pattern->append(gNumberPatternSeparator);
   1.319 +                        pattern->append(negPattern);
   1.320 +                    }
   1.321 +#ifdef CURRENCY_PLURAL_INFO_DEBUG
   1.322 +                    pattern->extract(0, pattern->length(), result_1, "UTF-8");
   1.323 +                    std::cout << "pluralCount: " << pluralCount << "; pattern: " << result_1 << "\n";
   1.324 +#endif
   1.325 +
   1.326 +                    fPluralCountToCurrencyUnitPattern->put(UnicodeString(pluralCount, -1, US_INV), pattern, status);
   1.327 +                }
   1.328 +            }
   1.329 +        }
   1.330 +    }
   1.331 +    delete keywords;
   1.332 +    ures_close(currencyRes);
   1.333 +    ures_close(currRb);
   1.334 +}
   1.335 +
   1.336 +
   1.337 +
   1.338 +void
   1.339 +CurrencyPluralInfo::deleteHash(Hashtable* hTable) 
   1.340 +{
   1.341 +    if ( hTable == NULL ) {
   1.342 +        return;
   1.343 +    }
   1.344 +    int32_t pos = -1;
   1.345 +    const UHashElement* element = NULL;
   1.346 +    while ( (element = hTable->nextElement(pos)) != NULL ) {
   1.347 +        const UHashTok valueTok = element->value;
   1.348 +        const UnicodeString* value = (UnicodeString*)valueTok.pointer;
   1.349 +        delete value;
   1.350 +    }
   1.351 +    delete hTable;
   1.352 +    hTable = NULL;
   1.353 +}
   1.354 +
   1.355 +
   1.356 +Hashtable*
   1.357 +CurrencyPluralInfo::initHash(UErrorCode& status) {
   1.358 +    if ( U_FAILURE(status) ) {
   1.359 +        return NULL;
   1.360 +    }
   1.361 +    Hashtable* hTable;
   1.362 +    if ( (hTable = new Hashtable(TRUE, status)) == NULL ) {
   1.363 +        status = U_MEMORY_ALLOCATION_ERROR;
   1.364 +        return NULL;
   1.365 +    }
   1.366 +    if ( U_FAILURE(status) ) {
   1.367 +        delete hTable; 
   1.368 +        return NULL;
   1.369 +    }
   1.370 +    hTable->setValueComparator(ValueComparator);
   1.371 +    return hTable;
   1.372 +}
   1.373 +
   1.374 +
   1.375 +void
   1.376 +CurrencyPluralInfo::copyHash(const Hashtable* source,
   1.377 +                           Hashtable* target,
   1.378 +                           UErrorCode& status) {
   1.379 +    if ( U_FAILURE(status) ) {
   1.380 +        return;
   1.381 +    }
   1.382 +    int32_t pos = -1;
   1.383 +    const UHashElement* element = NULL;
   1.384 +    if ( source ) {
   1.385 +        while ( (element = source->nextElement(pos)) != NULL ) {
   1.386 +            const UHashTok keyTok = element->key;
   1.387 +            const UnicodeString* key = (UnicodeString*)keyTok.pointer;
   1.388 +            const UHashTok valueTok = element->value;
   1.389 +            const UnicodeString* value = (UnicodeString*)valueTok.pointer;
   1.390 +            UnicodeString* copy = new UnicodeString(*value);
   1.391 +            target->put(UnicodeString(*key), copy, status);
   1.392 +            if ( U_FAILURE(status) ) {
   1.393 +                return;
   1.394 +            }
   1.395 +        }
   1.396 +    }
   1.397 +}
   1.398 +
   1.399 +
   1.400 +U_NAMESPACE_END
   1.401 +
   1.402 +#endif

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