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132 lines
4.7 KiB
132 lines
4.7 KiB
// © 2018 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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// Allow implicit conversion from char16_t* to UnicodeString for this file:
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// Helpful in toString methods and elsewhere.
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#define UNISTR_FROM_STRING_EXPLICIT
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#include "numparse_types.h"
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#include "number_currencysymbols.h"
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using namespace icu;
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using namespace icu::number;
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using namespace icu::number::impl;
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CurrencySymbols::CurrencySymbols(CurrencyUnit currency, const Locale& locale, UErrorCode& status)
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: fCurrency(currency), fLocaleName(locale.getName(), status) {
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fCurrencySymbol.setToBogus();
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fIntlCurrencySymbol.setToBogus();
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}
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CurrencySymbols::CurrencySymbols(CurrencyUnit currency, const Locale& locale,
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const DecimalFormatSymbols& symbols, UErrorCode& status)
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: CurrencySymbols(currency, locale, status) {
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// If either of the overrides is present, save it in the local UnicodeString.
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if (symbols.isCustomCurrencySymbol()) {
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fCurrencySymbol = symbols.getConstSymbol(DecimalFormatSymbols::kCurrencySymbol);
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}
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if (symbols.isCustomIntlCurrencySymbol()) {
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fIntlCurrencySymbol = symbols.getConstSymbol(DecimalFormatSymbols::kIntlCurrencySymbol);
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}
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}
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const char16_t* CurrencySymbols::getIsoCode() const {
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return fCurrency.getISOCurrency();
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}
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UnicodeString CurrencySymbols::getNarrowCurrencySymbol(UErrorCode& status) const {
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// Note: currently no override is available for narrow currency symbol
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return loadSymbol(UCURR_NARROW_SYMBOL_NAME, status);
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}
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UnicodeString CurrencySymbols::getFormalCurrencySymbol(UErrorCode& status) const {
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// Note: currently no override is available for formal currency symbol
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return loadSymbol(UCURR_FORMAL_SYMBOL_NAME, status);
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}
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UnicodeString CurrencySymbols::getVariantCurrencySymbol(UErrorCode& status) const {
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// Note: currently no override is available for variant currency symbol
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return loadSymbol(UCURR_VARIANT_SYMBOL_NAME, status);
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}
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UnicodeString CurrencySymbols::getCurrencySymbol(UErrorCode& status) const {
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if (!fCurrencySymbol.isBogus()) {
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return fCurrencySymbol;
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}
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return loadSymbol(UCURR_SYMBOL_NAME, status);
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}
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UnicodeString CurrencySymbols::loadSymbol(UCurrNameStyle selector, UErrorCode& status) const {
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const char16_t* isoCode = fCurrency.getISOCurrency();
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int32_t symbolLen = 0;
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const char16_t* symbol = ucurr_getName(
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isoCode,
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fLocaleName.data(),
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selector,
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nullptr /* isChoiceFormat */,
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&symbolLen,
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&status);
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// If given an unknown currency, ucurr_getName returns the input string, which we can't alias safely!
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// Otherwise, symbol points to a resource bundle, and we can use readonly-aliasing constructor.
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if (symbol == isoCode) {
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return UnicodeString(isoCode, 3);
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} else {
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return UnicodeString(TRUE, symbol, symbolLen);
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}
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}
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UnicodeString CurrencySymbols::getIntlCurrencySymbol(UErrorCode&) const {
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if (!fIntlCurrencySymbol.isBogus()) {
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return fIntlCurrencySymbol;
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}
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// Note: Not safe to use readonly-aliasing constructor here because the buffer belongs to this object,
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// which could be destructed or moved during the lifetime of the return value.
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return UnicodeString(fCurrency.getISOCurrency(), 3);
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}
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UnicodeString CurrencySymbols::getPluralName(StandardPlural::Form plural, UErrorCode& status) const {
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const char16_t* isoCode = fCurrency.getISOCurrency();
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int32_t symbolLen = 0;
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const char16_t* symbol = ucurr_getPluralName(
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isoCode,
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fLocaleName.data(),
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nullptr /* isChoiceFormat */,
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StandardPlural::getKeyword(plural),
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&symbolLen,
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&status);
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// If given an unknown currency, ucurr_getName returns the input string, which we can't alias safely!
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// Otherwise, symbol points to a resource bundle, and we can use readonly-aliasing constructor.
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if (symbol == isoCode) {
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return UnicodeString(isoCode, 3);
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} else {
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return UnicodeString(TRUE, symbol, symbolLen);
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}
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}
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CurrencyUnit
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icu::number::impl::resolveCurrency(const DecimalFormatProperties& properties, const Locale& locale,
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UErrorCode& status) {
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if (!properties.currency.isNull()) {
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return properties.currency.getNoError();
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} else {
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UErrorCode localStatus = U_ZERO_ERROR;
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char16_t buf[4] = {};
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ucurr_forLocale(locale.getName(), buf, 4, &localStatus);
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if (U_SUCCESS(localStatus)) {
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return CurrencyUnit(buf, status);
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} else {
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// Default currency (XXX)
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return CurrencyUnit();
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}
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}
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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