389 lines
12 KiB
C++
389 lines
12 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 2009-2011, International Business Machines Corporation and
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* others. All Rights Reserved.
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*******************************************************************************
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*/
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#include "unicode/currpinf.h"
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#if !UCONFIG_NO_FORMATTING
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//#define CURRENCY_PLURAL_INFO_DEBUG 1
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#ifdef CURRENCY_PLURAL_INFO_DEBUG
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#include <iostream>
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#endif
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#include "unicode/locid.h"
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#include "unicode/plurrule.h"
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#include "unicode/ures.h"
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#include "cstring.h"
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#include "hash.h"
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#include "uresimp.h"
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#include "ureslocs.h"
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U_NAMESPACE_BEGIN
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static const UChar gNumberPatternSeparator = 0x3B; // ;
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U_CDECL_BEGIN
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/**
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* @internal ICU 4.2
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*/
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static UBool U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2);
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UBool
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U_CALLCONV ValueComparator(UHashTok val1, UHashTok val2) {
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const UnicodeString* affix_1 = (UnicodeString*)val1.pointer;
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const UnicodeString* affix_2 = (UnicodeString*)val2.pointer;
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return *affix_1 == *affix_2;
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}
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U_CDECL_END
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(CurrencyPluralInfo)
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static const UChar gDefaultCurrencyPluralPattern[] = {'0', '.', '#', '#', ' ', 0xA4, 0xA4, 0xA4, 0};
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static const UChar gTripleCurrencySign[] = {0xA4, 0xA4, 0xA4, 0};
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static const UChar gPluralCountOther[] = {0x6F, 0x74, 0x68, 0x65, 0x72, 0};
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static const UChar gPart0[] = {0x7B, 0x30, 0x7D, 0};
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static const UChar gPart1[] = {0x7B, 0x31, 0x7D, 0};
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static const char gNumberElementsTag[]="NumberElements";
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static const char gLatnTag[]="latn";
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static const char gPatternsTag[]="patterns";
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static const char gDecimalFormatTag[]="decimalFormat";
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static const char gCurrUnitPtnTag[]="CurrencyUnitPatterns";
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CurrencyPluralInfo::CurrencyPluralInfo(UErrorCode& status)
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: fPluralCountToCurrencyUnitPattern(NULL),
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fPluralRules(NULL),
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fLocale(NULL) {
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initialize(Locale::getDefault(), status);
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}
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CurrencyPluralInfo::CurrencyPluralInfo(const Locale& locale, UErrorCode& status)
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: fPluralCountToCurrencyUnitPattern(NULL),
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fPluralRules(NULL),
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fLocale(NULL) {
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initialize(locale, status);
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}
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CurrencyPluralInfo::CurrencyPluralInfo(const CurrencyPluralInfo& info)
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: UObject(info),
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fPluralCountToCurrencyUnitPattern(NULL),
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fPluralRules(NULL),
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fLocale(NULL) {
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*this = info;
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}
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CurrencyPluralInfo&
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CurrencyPluralInfo::operator=(const CurrencyPluralInfo& info) {
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if (this == &info) {
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return *this;
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}
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deleteHash(fPluralCountToCurrencyUnitPattern);
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UErrorCode status = U_ZERO_ERROR;
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fPluralCountToCurrencyUnitPattern = initHash(status);
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copyHash(info.fPluralCountToCurrencyUnitPattern,
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fPluralCountToCurrencyUnitPattern, status);
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if ( U_FAILURE(status) ) {
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return *this;
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}
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delete fPluralRules;
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delete fLocale;
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if (info.fPluralRules) {
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fPluralRules = info.fPluralRules->clone();
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} else {
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fPluralRules = NULL;
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}
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if (info.fLocale) {
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fLocale = info.fLocale->clone();
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} else {
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fLocale = NULL;
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}
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return *this;
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}
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CurrencyPluralInfo::~CurrencyPluralInfo() {
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deleteHash(fPluralCountToCurrencyUnitPattern);
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fPluralCountToCurrencyUnitPattern = NULL;
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delete fPluralRules;
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delete fLocale;
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fPluralRules = NULL;
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fLocale = NULL;
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}
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UBool
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CurrencyPluralInfo::operator==(const CurrencyPluralInfo& info) const {
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#ifdef CURRENCY_PLURAL_INFO_DEBUG
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if (*fPluralRules == *info.fPluralRules) {
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std::cout << "same plural rules\n";
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}
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if (*fLocale == *info.fLocale) {
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std::cout << "same locale\n";
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}
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if (fPluralCountToCurrencyUnitPattern->equals(*info.fPluralCountToCurrencyUnitPattern)) {
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std::cout << "same pattern\n";
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}
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#endif
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return *fPluralRules == *info.fPluralRules &&
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*fLocale == *info.fLocale &&
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fPluralCountToCurrencyUnitPattern->equals(*info.fPluralCountToCurrencyUnitPattern);
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}
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CurrencyPluralInfo*
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CurrencyPluralInfo::clone() const {
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return new CurrencyPluralInfo(*this);
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}
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const PluralRules*
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CurrencyPluralInfo::getPluralRules() const {
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return fPluralRules;
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}
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UnicodeString&
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CurrencyPluralInfo::getCurrencyPluralPattern(const UnicodeString& pluralCount,
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UnicodeString& result) const {
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const UnicodeString* currencyPluralPattern =
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(UnicodeString*)fPluralCountToCurrencyUnitPattern->get(pluralCount);
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if (currencyPluralPattern == NULL) {
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// fall back to "other"
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if (pluralCount.compare(gPluralCountOther)) {
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currencyPluralPattern =
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(UnicodeString*)fPluralCountToCurrencyUnitPattern->get(gPluralCountOther);
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}
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if (currencyPluralPattern == NULL) {
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// no currencyUnitPatterns defined,
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// fallback to predefined defult.
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// This should never happen when ICU resource files are
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// available, since currencyUnitPattern of "other" is always
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// defined in root.
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result = UnicodeString(gDefaultCurrencyPluralPattern);
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return result;
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}
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}
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result = *currencyPluralPattern;
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return result;
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}
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const Locale&
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CurrencyPluralInfo::getLocale() const {
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return *fLocale;
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}
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void
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CurrencyPluralInfo::setPluralRules(const UnicodeString& ruleDescription,
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UErrorCode& status) {
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if (U_SUCCESS(status)) {
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if (fPluralRules) {
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delete fPluralRules;
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}
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fPluralRules = PluralRules::createRules(ruleDescription, status);
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}
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}
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void
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CurrencyPluralInfo::setCurrencyPluralPattern(const UnicodeString& pluralCount,
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const UnicodeString& pattern,
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UErrorCode& status) {
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if (U_SUCCESS(status)) {
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fPluralCountToCurrencyUnitPattern->put(pluralCount, new UnicodeString(pattern), status);
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}
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}
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void
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CurrencyPluralInfo::setLocale(const Locale& loc, UErrorCode& status) {
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initialize(loc, status);
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}
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void
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CurrencyPluralInfo::initialize(const Locale& loc, UErrorCode& status) {
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if (U_FAILURE(status)) {
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return;
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}
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delete fLocale;
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fLocale = loc.clone();
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if (fPluralRules) {
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delete fPluralRules;
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}
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fPluralRules = PluralRules::forLocale(loc, status);
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setupCurrencyPluralPattern(loc, status);
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}
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void
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CurrencyPluralInfo::setupCurrencyPluralPattern(const Locale& loc, UErrorCode& status) {
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if (U_FAILURE(status)) {
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return;
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}
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if (fPluralCountToCurrencyUnitPattern) {
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deleteHash(fPluralCountToCurrencyUnitPattern);
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}
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fPluralCountToCurrencyUnitPattern = initHash(status);
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if (U_FAILURE(status)) {
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return;
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}
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UErrorCode ec = U_ZERO_ERROR;
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UResourceBundle *rb = ures_open(NULL, loc.getName(), &ec);
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rb = ures_getByKeyWithFallback(rb, gNumberElementsTag, rb, &ec);
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rb = ures_getByKeyWithFallback(rb, gLatnTag, rb, &ec);
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rb = ures_getByKeyWithFallback(rb, gPatternsTag, rb, &ec);
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int32_t ptnLen;
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const UChar* numberStylePattern = ures_getStringByKeyWithFallback(rb, gDecimalFormatTag, &ptnLen, &ec);
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int32_t numberStylePatternLen = ptnLen;
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const UChar* negNumberStylePattern = NULL;
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int32_t negNumberStylePatternLen = 0;
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// TODO: Java
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// parse to check whether there is ";" separator in the numberStylePattern
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UBool hasSeparator = false;
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if (U_SUCCESS(ec)) {
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for (int32_t styleCharIndex = 0; styleCharIndex < ptnLen; ++styleCharIndex) {
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if (numberStylePattern[styleCharIndex] == gNumberPatternSeparator) {
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hasSeparator = true;
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// split the number style pattern into positive and negative
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negNumberStylePattern = numberStylePattern + styleCharIndex + 1;
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negNumberStylePatternLen = ptnLen - styleCharIndex - 1;
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numberStylePatternLen = styleCharIndex;
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}
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}
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}
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ures_close(rb);
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if (U_FAILURE(ec)) {
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return;
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}
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UResourceBundle *currRb = ures_open(U_ICUDATA_CURR, loc.getName(), &ec);
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UResourceBundle *currencyRes = ures_getByKeyWithFallback(currRb, gCurrUnitPtnTag, NULL, &ec);
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#ifdef CURRENCY_PLURAL_INFO_DEBUG
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std::cout << "in set up\n";
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#endif
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StringEnumeration* keywords = fPluralRules->getKeywords(ec);
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if (U_SUCCESS(ec)) {
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const char* pluralCount;
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while ((pluralCount = keywords->next(NULL, ec)) != NULL) {
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if ( U_SUCCESS(ec) ) {
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int32_t ptnLen;
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UErrorCode err = U_ZERO_ERROR;
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const UChar* patternChars = ures_getStringByKeyWithFallback(
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currencyRes, pluralCount, &ptnLen, &err);
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if (U_SUCCESS(err) && ptnLen > 0) {
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UnicodeString* pattern = new UnicodeString(patternChars, ptnLen);
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#ifdef CURRENCY_PLURAL_INFO_DEBUG
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char result_1[1000];
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pattern->extract(0, pattern->length(), result_1, "UTF-8");
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std::cout << "pluralCount: " << pluralCount << "; pattern: " << result_1 << "\n";
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#endif
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pattern->findAndReplace(gPart0,
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UnicodeString(numberStylePattern, numberStylePatternLen));
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pattern->findAndReplace(gPart1, gTripleCurrencySign);
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if (hasSeparator) {
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UnicodeString negPattern(patternChars, ptnLen);
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negPattern.findAndReplace(gPart0,
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UnicodeString(negNumberStylePattern, negNumberStylePatternLen));
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negPattern.findAndReplace(gPart1, gTripleCurrencySign);
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pattern->append(gNumberPatternSeparator);
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pattern->append(negPattern);
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}
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#ifdef CURRENCY_PLURAL_INFO_DEBUG
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pattern->extract(0, pattern->length(), result_1, "UTF-8");
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std::cout << "pluralCount: " << pluralCount << "; pattern: " << result_1 << "\n";
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#endif
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fPluralCountToCurrencyUnitPattern->put(UnicodeString(pluralCount), pattern, status);
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}
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}
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}
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}
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delete keywords;
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ures_close(currencyRes);
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ures_close(currRb);
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}
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void
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CurrencyPluralInfo::deleteHash(Hashtable* hTable)
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{
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if ( hTable == NULL ) {
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return;
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}
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int32_t pos = -1;
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const UHashElement* element = NULL;
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while ( (element = hTable->nextElement(pos)) != NULL ) {
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const UHashTok keyTok = element->key;
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const UHashTok valueTok = element->value;
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const UnicodeString* value = (UnicodeString*)valueTok.pointer;
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delete value;
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}
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delete hTable;
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hTable = NULL;
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}
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Hashtable*
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CurrencyPluralInfo::initHash(UErrorCode& status) {
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if ( U_FAILURE(status) ) {
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return NULL;
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}
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Hashtable* hTable;
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if ( (hTable = new Hashtable(TRUE, status)) == NULL ) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return NULL;
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}
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if ( U_FAILURE(status) ) {
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delete hTable;
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return NULL;
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}
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hTable->setValueComparator(ValueComparator);
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return hTable;
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}
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void
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CurrencyPluralInfo::copyHash(const Hashtable* source,
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Hashtable* target,
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UErrorCode& status) {
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if ( U_FAILURE(status) ) {
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return;
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}
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int32_t pos = -1;
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const UHashElement* element = NULL;
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if ( source ) {
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while ( (element = source->nextElement(pos)) != NULL ) {
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const UHashTok keyTok = element->key;
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const UnicodeString* key = (UnicodeString*)keyTok.pointer;
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const UHashTok valueTok = element->value;
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const UnicodeString* value = (UnicodeString*)valueTok.pointer;
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UnicodeString* copy = new UnicodeString(*value);
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target->put(UnicodeString(*key), copy, status);
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if ( U_FAILURE(status) ) {
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return;
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}
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}
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}
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}
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U_NAMESPACE_END
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#endif
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