diff options
Diffstat (limited to 'intl/icu/source/i18n/currpinf.cpp')
-rw-r--r-- | intl/icu/source/i18n/currpinf.cpp | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/currpinf.cpp b/intl/icu/source/i18n/currpinf.cpp new file mode 100644 index 0000000000..7c5adaaf7c --- /dev/null +++ b/intl/icu/source/i18n/currpinf.cpp @@ -0,0 +1,441 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* + ******************************************************************************* + * Copyright (C) 2009-2014, International Business Machines Corporation and + * others. All Rights Reserved. + ******************************************************************************* + */ + +#include "unicode/currpinf.h" + +#if !UCONFIG_NO_FORMATTING + +//#define CURRENCY_PLURAL_INFO_DEBUG 1 + +#ifdef CURRENCY_PLURAL_INFO_DEBUG +#include <iostream> +#endif + +#include "unicode/locid.h" +#include "unicode/plurrule.h" +#include "unicode/strenum.h" +#include "unicode/ures.h" +#include "unicode/numsys.h" +#include "cstring.h" +#include "hash.h" +#include "uresimp.h" +#include "ureslocs.h" + +U_NAMESPACE_BEGIN + +static const char16_t gNumberPatternSeparator = 0x3B; // ; + +U_CDECL_BEGIN + +/** + * @internal ICU 4.2 + */ +static UBool U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2); + +UBool +U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2) { + const UnicodeString* affix_1 = (UnicodeString*)val1.pointer; + const UnicodeString* affix_2 = (UnicodeString*)val2.pointer; + return *affix_1 == *affix_2; +} + +U_CDECL_END + + +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(CurrencyPluralInfo) + +static const char16_t gDefaultCurrencyPluralPattern[] = {'0', '.', '#', '#', ' ', 0xA4, 0xA4, 0xA4, 0}; +static const char16_t gTripleCurrencySign[] = {0xA4, 0xA4, 0xA4, 0}; +static const char16_t gPluralCountOther[] = {0x6F, 0x74, 0x68, 0x65, 0x72, 0}; +static const char16_t gPart0[] = {0x7B, 0x30, 0x7D, 0}; +static const char16_t gPart1[] = {0x7B, 0x31, 0x7D, 0}; + +static const char gNumberElementsTag[]="NumberElements"; +static const char gLatnTag[]="latn"; +static const char gPatternsTag[]="patterns"; +static const char gDecimalFormatTag[]="decimalFormat"; +static const char gCurrUnitPtnTag[]="CurrencyUnitPatterns"; + +CurrencyPluralInfo::CurrencyPluralInfo(UErrorCode& status) +: fPluralCountToCurrencyUnitPattern(nullptr), + fPluralRules(nullptr), + fLocale(nullptr), + fInternalStatus(U_ZERO_ERROR) { + initialize(Locale::getDefault(), status); +} + +CurrencyPluralInfo::CurrencyPluralInfo(const Locale& locale, UErrorCode& status) +: fPluralCountToCurrencyUnitPattern(nullptr), + fPluralRules(nullptr), + fLocale(nullptr), + fInternalStatus(U_ZERO_ERROR) { + initialize(locale, status); +} + +CurrencyPluralInfo::CurrencyPluralInfo(const CurrencyPluralInfo& info) +: UObject(info), + fPluralCountToCurrencyUnitPattern(nullptr), + fPluralRules(nullptr), + fLocale(nullptr), + fInternalStatus(U_ZERO_ERROR) { + *this = info; +} + +CurrencyPluralInfo& +CurrencyPluralInfo::operator=(const CurrencyPluralInfo& info) { + if (this == &info) { + return *this; + } + + fInternalStatus = info.fInternalStatus; + if (U_FAILURE(fInternalStatus)) { + // bail out early if the object we were copying from was already 'invalid'. + return *this; + } + + deleteHash(fPluralCountToCurrencyUnitPattern); + fPluralCountToCurrencyUnitPattern = initHash(fInternalStatus); + copyHash(info.fPluralCountToCurrencyUnitPattern, + fPluralCountToCurrencyUnitPattern, fInternalStatus); + if ( U_FAILURE(fInternalStatus) ) { + return *this; + } + + delete fPluralRules; + fPluralRules = nullptr; + delete fLocale; + fLocale = nullptr; + + if (info.fPluralRules != nullptr) { + fPluralRules = info.fPluralRules->clone(); + if (fPluralRules == nullptr) { + fInternalStatus = U_MEMORY_ALLOCATION_ERROR; + return *this; + } + } + if (info.fLocale != nullptr) { + fLocale = info.fLocale->clone(); + if (fLocale == nullptr) { + // Note: If clone had an error parameter, then we could check/set that instead. + fInternalStatus = U_MEMORY_ALLOCATION_ERROR; + return *this; + } + // If the other locale wasn't bogus, but our clone'd locale is bogus, then OOM happened + // during the call to clone(). + if (!info.fLocale->isBogus() && fLocale->isBogus()) { + fInternalStatus = U_MEMORY_ALLOCATION_ERROR; + return *this; + } + } + return *this; +} + +CurrencyPluralInfo::~CurrencyPluralInfo() { + deleteHash(fPluralCountToCurrencyUnitPattern); + fPluralCountToCurrencyUnitPattern = nullptr; + delete fPluralRules; + delete fLocale; + fPluralRules = nullptr; + fLocale = nullptr; +} + +bool +CurrencyPluralInfo::operator==(const CurrencyPluralInfo& info) const { +#ifdef CURRENCY_PLURAL_INFO_DEBUG + if (*fPluralRules == *info.fPluralRules) { + std::cout << "same plural rules\n"; + } + if (*fLocale == *info.fLocale) { + std::cout << "same locale\n"; + } + if (fPluralCountToCurrencyUnitPattern->equals(*info.fPluralCountToCurrencyUnitPattern)) { + std::cout << "same pattern\n"; + } +#endif + return *fPluralRules == *info.fPluralRules && + *fLocale == *info.fLocale && + fPluralCountToCurrencyUnitPattern->equals(*info.fPluralCountToCurrencyUnitPattern); +} + + +CurrencyPluralInfo* +CurrencyPluralInfo::clone() const { + CurrencyPluralInfo* newObj = new CurrencyPluralInfo(*this); + // Since clone doesn't have a 'status' parameter, the best we can do is return nullptr + // if the new object was not full constructed properly (an error occurred). + if (newObj != nullptr && U_FAILURE(newObj->fInternalStatus)) { + delete newObj; + newObj = nullptr; + } + return newObj; +} + +const PluralRules* +CurrencyPluralInfo::getPluralRules() const { + return fPluralRules; +} + +UnicodeString& +CurrencyPluralInfo::getCurrencyPluralPattern(const UnicodeString& pluralCount, + UnicodeString& result) const { + const UnicodeString* currencyPluralPattern = + (UnicodeString*)fPluralCountToCurrencyUnitPattern->get(pluralCount); + if (currencyPluralPattern == nullptr) { + // fall back to "other" + if (pluralCount.compare(gPluralCountOther, 5)) { + currencyPluralPattern = + (UnicodeString*)fPluralCountToCurrencyUnitPattern->get(UnicodeString(true, gPluralCountOther, 5)); + } + if (currencyPluralPattern == nullptr) { + // no currencyUnitPatterns defined, + // fallback to predefined default. + // This should never happen when ICU resource files are + // available, since currencyUnitPattern of "other" is always + // defined in root. + result = UnicodeString(gDefaultCurrencyPluralPattern); + return result; + } + } + result = *currencyPluralPattern; + return result; +} + +const Locale& +CurrencyPluralInfo::getLocale() const { + return *fLocale; +} + +void +CurrencyPluralInfo::setPluralRules(const UnicodeString& ruleDescription, + UErrorCode& status) { + if (U_SUCCESS(status)) { + delete fPluralRules; + fPluralRules = PluralRules::createRules(ruleDescription, status); + } +} + +void +CurrencyPluralInfo::setCurrencyPluralPattern(const UnicodeString& pluralCount, + const UnicodeString& pattern, + UErrorCode& status) { + if (U_SUCCESS(status)) { + UnicodeString* oldValue = static_cast<UnicodeString*>( + fPluralCountToCurrencyUnitPattern->get(pluralCount)); + delete oldValue; + LocalPointer<UnicodeString> p(new UnicodeString(pattern), status); + if (U_SUCCESS(status)) { + // the p object allocated above will be owned by fPluralCountToCurrencyUnitPattern + // after the call to put(), even if the method returns failure. + fPluralCountToCurrencyUnitPattern->put(pluralCount, p.orphan(), status); + } + } +} + +void +CurrencyPluralInfo::setLocale(const Locale& loc, UErrorCode& status) { + initialize(loc, status); +} + +void +CurrencyPluralInfo::initialize(const Locale& loc, UErrorCode& status) { + if (U_FAILURE(status)) { + return; + } + delete fLocale; + fLocale = nullptr; + delete fPluralRules; + fPluralRules = nullptr; + + fLocale = loc.clone(); + if (fLocale == nullptr) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + // If the locale passed in wasn't bogus, but our clone'd locale is bogus, then OOM happened + // during the call to loc.clone(). + if (!loc.isBogus() && fLocale->isBogus()) { + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + fPluralRules = PluralRules::forLocale(loc, status); + setupCurrencyPluralPattern(loc, status); +} + +void +CurrencyPluralInfo::setupCurrencyPluralPattern(const Locale& loc, UErrorCode& status) { + if (U_FAILURE(status)) { + return; + } + + deleteHash(fPluralCountToCurrencyUnitPattern); + fPluralCountToCurrencyUnitPattern = initHash(status); + if (U_FAILURE(status)) { + return; + } + + LocalPointer<NumberingSystem> ns(NumberingSystem::createInstance(loc, status), status); + if (U_FAILURE(status)) { + return; + } + UErrorCode ec = U_ZERO_ERROR; + LocalUResourceBundlePointer rb(ures_open(nullptr, loc.getName(), &ec)); + LocalUResourceBundlePointer numElements(ures_getByKeyWithFallback(rb.getAlias(), gNumberElementsTag, nullptr, &ec)); + ures_getByKeyWithFallback(numElements.getAlias(), ns->getName(), rb.getAlias(), &ec); + ures_getByKeyWithFallback(rb.getAlias(), gPatternsTag, rb.getAlias(), &ec); + int32_t ptnLen; + const char16_t* numberStylePattern = ures_getStringByKeyWithFallback(rb.getAlias(), gDecimalFormatTag, &ptnLen, &ec); + // Fall back to "latn" if num sys specific pattern isn't there. + if ( ec == U_MISSING_RESOURCE_ERROR && (uprv_strcmp(ns->getName(), gLatnTag) != 0)) { + ec = U_ZERO_ERROR; + ures_getByKeyWithFallback(numElements.getAlias(), gLatnTag, rb.getAlias(), &ec); + ures_getByKeyWithFallback(rb.getAlias(), gPatternsTag, rb.getAlias(), &ec); + numberStylePattern = ures_getStringByKeyWithFallback(rb.getAlias(), gDecimalFormatTag, &ptnLen, &ec); + } + int32_t numberStylePatternLen = ptnLen; + const char16_t* negNumberStylePattern = nullptr; + int32_t negNumberStylePatternLen = 0; + // TODO: Java + // parse to check whether there is ";" separator in the numberStylePattern + UBool hasSeparator = false; + if (U_SUCCESS(ec)) { + for (int32_t styleCharIndex = 0; styleCharIndex < ptnLen; ++styleCharIndex) { + if (numberStylePattern[styleCharIndex] == gNumberPatternSeparator) { + hasSeparator = true; + // split the number style pattern into positive and negative + negNumberStylePattern = numberStylePattern + styleCharIndex + 1; + negNumberStylePatternLen = ptnLen - styleCharIndex - 1; + numberStylePatternLen = styleCharIndex; + } + } + } + + if (U_FAILURE(ec)) { + // If OOM occurred during the above code, then we want to report that back to the caller. + if (ec == U_MEMORY_ALLOCATION_ERROR) { + status = ec; + } + return; + } + + LocalUResourceBundlePointer currRb(ures_open(U_ICUDATA_CURR, loc.getName(), &ec)); + LocalUResourceBundlePointer currencyRes(ures_getByKeyWithFallback(currRb.getAlias(), gCurrUnitPtnTag, nullptr, &ec)); + +#ifdef CURRENCY_PLURAL_INFO_DEBUG + std::cout << "in set up\n"; +#endif + LocalPointer<StringEnumeration> keywords(fPluralRules->getKeywords(ec), ec); + if (U_SUCCESS(ec)) { + const char* pluralCount; + while (((pluralCount = keywords->next(nullptr, ec)) != nullptr) && U_SUCCESS(ec)) { + int32_t ptnLength; + UErrorCode err = U_ZERO_ERROR; + const char16_t* patternChars = ures_getStringByKeyWithFallback(currencyRes.getAlias(), pluralCount, &ptnLength, &err); + if (err == U_MEMORY_ALLOCATION_ERROR || patternChars == nullptr) { + ec = err; + break; + } + if (U_SUCCESS(err) && ptnLength > 0) { + UnicodeString* pattern = new UnicodeString(patternChars, ptnLength); + if (pattern == nullptr) { + ec = U_MEMORY_ALLOCATION_ERROR; + break; + } +#ifdef CURRENCY_PLURAL_INFO_DEBUG + char result_1[1000]; + pattern->extract(0, pattern->length(), result_1, "UTF-8"); + std::cout << "pluralCount: " << pluralCount << "; pattern: " << result_1 << "\n"; +#endif + pattern->findAndReplace(UnicodeString(true, gPart0, 3), + UnicodeString(numberStylePattern, numberStylePatternLen)); + pattern->findAndReplace(UnicodeString(true, gPart1, 3), UnicodeString(true, gTripleCurrencySign, 3)); + + if (hasSeparator) { + UnicodeString negPattern(patternChars, ptnLength); + negPattern.findAndReplace(UnicodeString(true, gPart0, 3), + UnicodeString(negNumberStylePattern, negNumberStylePatternLen)); + negPattern.findAndReplace(UnicodeString(true, gPart1, 3), UnicodeString(true, gTripleCurrencySign, 3)); + pattern->append(gNumberPatternSeparator); + pattern->append(negPattern); + } +#ifdef CURRENCY_PLURAL_INFO_DEBUG + pattern->extract(0, pattern->length(), result_1, "UTF-8"); + std::cout << "pluralCount: " << pluralCount << "; pattern: " << result_1 << "\n"; +#endif + // the 'pattern' object allocated above will be owned by the fPluralCountToCurrencyUnitPattern after the call to + // put(), even if the method returns failure. + fPluralCountToCurrencyUnitPattern->put(UnicodeString(pluralCount, -1, US_INV), pattern, status); + } + } + } + // If OOM occurred during the above code, then we want to report that back to the caller. + if (ec == U_MEMORY_ALLOCATION_ERROR) { + status = ec; + } +} + +void +CurrencyPluralInfo::deleteHash(Hashtable* hTable) { + if ( hTable == nullptr ) { + return; + } + int32_t pos = UHASH_FIRST; + const UHashElement* element = nullptr; + while ( (element = hTable->nextElement(pos)) != nullptr ) { + const UHashTok valueTok = element->value; + const UnicodeString* value = (UnicodeString*)valueTok.pointer; + delete value; + } + delete hTable; + hTable = nullptr; +} + +Hashtable* +CurrencyPluralInfo::initHash(UErrorCode& status) { + if (U_FAILURE(status)) { + return nullptr; + } + LocalPointer<Hashtable> hTable(new Hashtable(true, status), status); + if (U_FAILURE(status)) { + return nullptr; + } + hTable->setValueComparator(ValueComparator); + return hTable.orphan(); +} + +void +CurrencyPluralInfo::copyHash(const Hashtable* source, + Hashtable* target, + UErrorCode& status) { + if (U_FAILURE(status)) { + return; + } + int32_t pos = UHASH_FIRST; + const UHashElement* element = nullptr; + if (source) { + while ( (element = source->nextElement(pos)) != nullptr ) { + const UHashTok keyTok = element->key; + const UnicodeString* key = (UnicodeString*)keyTok.pointer; + const UHashTok valueTok = element->value; + const UnicodeString* value = (UnicodeString*)valueTok.pointer; + LocalPointer<UnicodeString> copy(new UnicodeString(*value), status); + if (U_FAILURE(status)) { + return; + } + // The HashTable owns the 'copy' object after the call to put(). + target->put(UnicodeString(*key), copy.orphan(), status); + if (U_FAILURE(status)) { + return; + } + } + } +} + +U_NAMESPACE_END + +#endif |