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381 lines
13 KiB
381 lines
13 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 "numrange_impl.h"
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#include "util.h"
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#include "number_utypes.h"
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#include "number_decnum.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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// This function needs to be declared in this namespace so it can be friended.
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// NOTE: In Java, this logic is handled in the resolve() function.
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void icu::number::impl::touchRangeLocales(RangeMacroProps& macros) {
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macros.formatter1.fMacros.locale = macros.locale;
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macros.formatter2.fMacros.locale = macros.locale;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterBoth(const UnlocalizedNumberFormatter& formatter) const& {
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Derived copy(*this);
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copy.fMacros.formatter1 = formatter;
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copy.fMacros.singleFormatter = true;
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touchRangeLocales(copy.fMacros);
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return copy;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterBoth(const UnlocalizedNumberFormatter& formatter) && {
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Derived move(std::move(*this));
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move.fMacros.formatter1 = formatter;
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move.fMacros.singleFormatter = true;
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touchRangeLocales(move.fMacros);
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return move;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterBoth(UnlocalizedNumberFormatter&& formatter) const& {
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Derived copy(*this);
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copy.fMacros.formatter1 = std::move(formatter);
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copy.fMacros.singleFormatter = true;
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touchRangeLocales(copy.fMacros);
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return copy;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterBoth(UnlocalizedNumberFormatter&& formatter) && {
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Derived move(std::move(*this));
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move.fMacros.formatter1 = std::move(formatter);
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move.fMacros.singleFormatter = true;
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touchRangeLocales(move.fMacros);
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return move;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterFirst(const UnlocalizedNumberFormatter& formatter) const& {
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Derived copy(*this);
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copy.fMacros.formatter1 = formatter;
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copy.fMacros.singleFormatter = false;
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touchRangeLocales(copy.fMacros);
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return copy;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterFirst(const UnlocalizedNumberFormatter& formatter) && {
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Derived move(std::move(*this));
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move.fMacros.formatter1 = formatter;
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move.fMacros.singleFormatter = false;
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touchRangeLocales(move.fMacros);
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return move;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterFirst(UnlocalizedNumberFormatter&& formatter) const& {
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Derived copy(*this);
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copy.fMacros.formatter1 = std::move(formatter);
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copy.fMacros.singleFormatter = false;
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touchRangeLocales(copy.fMacros);
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return copy;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterFirst(UnlocalizedNumberFormatter&& formatter) && {
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Derived move(std::move(*this));
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move.fMacros.formatter1 = std::move(formatter);
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move.fMacros.singleFormatter = false;
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touchRangeLocales(move.fMacros);
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return move;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterSecond(const UnlocalizedNumberFormatter& formatter) const& {
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Derived copy(*this);
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copy.fMacros.formatter2 = formatter;
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copy.fMacros.singleFormatter = false;
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touchRangeLocales(copy.fMacros);
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return copy;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterSecond(const UnlocalizedNumberFormatter& formatter) && {
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Derived move(std::move(*this));
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move.fMacros.formatter2 = formatter;
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move.fMacros.singleFormatter = false;
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touchRangeLocales(move.fMacros);
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return move;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterSecond(UnlocalizedNumberFormatter&& formatter) const& {
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Derived copy(*this);
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copy.fMacros.formatter2 = std::move(formatter);
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copy.fMacros.singleFormatter = false;
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touchRangeLocales(copy.fMacros);
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return copy;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::numberFormatterSecond(UnlocalizedNumberFormatter&& formatter) && {
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Derived move(std::move(*this));
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move.fMacros.formatter2 = std::move(formatter);
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move.fMacros.singleFormatter = false;
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touchRangeLocales(move.fMacros);
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return move;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::collapse(UNumberRangeCollapse collapse) const& {
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Derived copy(*this);
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copy.fMacros.collapse = collapse;
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return copy;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::collapse(UNumberRangeCollapse collapse) && {
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Derived move(std::move(*this));
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move.fMacros.collapse = collapse;
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return move;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::identityFallback(UNumberRangeIdentityFallback identityFallback) const& {
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Derived copy(*this);
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copy.fMacros.identityFallback = identityFallback;
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return copy;
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}
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template<typename Derived>
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Derived NumberRangeFormatterSettings<Derived>::identityFallback(UNumberRangeIdentityFallback identityFallback) && {
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Derived move(std::move(*this));
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move.fMacros.identityFallback = identityFallback;
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return move;
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}
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template<typename Derived>
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LocalPointer<Derived> NumberRangeFormatterSettings<Derived>::clone() const & {
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return LocalPointer<Derived>(new Derived(*this));
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}
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template<typename Derived>
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LocalPointer<Derived> NumberRangeFormatterSettings<Derived>::clone() && {
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return LocalPointer<Derived>(new Derived(std::move(*this)));
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}
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// Declare all classes that implement NumberRangeFormatterSettings
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// See https://stackoverflow.com/a/495056/1407170
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template
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class icu::number::NumberRangeFormatterSettings<icu::number::UnlocalizedNumberRangeFormatter>;
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template
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class icu::number::NumberRangeFormatterSettings<icu::number::LocalizedNumberRangeFormatter>;
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UnlocalizedNumberRangeFormatter NumberRangeFormatter::with() {
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UnlocalizedNumberRangeFormatter result;
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return result;
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}
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LocalizedNumberRangeFormatter NumberRangeFormatter::withLocale(const Locale& locale) {
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return with().locale(locale);
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}
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template<typename T> using NFS = NumberRangeFormatterSettings<T>;
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using LNF = LocalizedNumberRangeFormatter;
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using UNF = UnlocalizedNumberRangeFormatter;
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UnlocalizedNumberRangeFormatter::UnlocalizedNumberRangeFormatter(const UNF& other)
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: UNF(static_cast<const NFS<UNF>&>(other)) {}
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UnlocalizedNumberRangeFormatter::UnlocalizedNumberRangeFormatter(const NFS<UNF>& other)
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: NFS<UNF>(other) {
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// No additional fields to assign
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}
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// Make default copy constructor call the NumberRangeFormatterSettings copy constructor.
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UnlocalizedNumberRangeFormatter::UnlocalizedNumberRangeFormatter(UNF&& src) U_NOEXCEPT
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: UNF(static_cast<NFS<UNF>&&>(src)) {}
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UnlocalizedNumberRangeFormatter::UnlocalizedNumberRangeFormatter(NFS<UNF>&& src) U_NOEXCEPT
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: NFS<UNF>(std::move(src)) {
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// No additional fields to assign
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}
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UnlocalizedNumberRangeFormatter& UnlocalizedNumberRangeFormatter::operator=(const UNF& other) {
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NFS<UNF>::operator=(static_cast<const NFS<UNF>&>(other));
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// No additional fields to assign
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return *this;
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}
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UnlocalizedNumberRangeFormatter& UnlocalizedNumberRangeFormatter::operator=(UNF&& src) U_NOEXCEPT {
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NFS<UNF>::operator=(static_cast<NFS<UNF>&&>(src));
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// No additional fields to assign
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return *this;
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}
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// Make default copy constructor call the NumberRangeFormatterSettings copy constructor.
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LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(const LNF& other)
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: LNF(static_cast<const NFS<LNF>&>(other)) {}
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LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(const NFS<LNF>& other)
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: NFS<LNF>(other) {
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// No additional fields to assign
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}
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LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(LocalizedNumberRangeFormatter&& src) U_NOEXCEPT
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: LNF(static_cast<NFS<LNF>&&>(src)) {}
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LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(NFS<LNF>&& src) U_NOEXCEPT
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: NFS<LNF>(std::move(src)) {
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// Steal the compiled formatter
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LNF&& _src = static_cast<LNF&&>(src);
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auto* stolen = _src.fAtomicFormatter.exchange(nullptr);
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delete fAtomicFormatter.exchange(stolen);
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}
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LocalizedNumberRangeFormatter& LocalizedNumberRangeFormatter::operator=(const LNF& other) {
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if (this == &other) { return *this; } // self-assignment: no-op
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NFS<LNF>::operator=(static_cast<const NFS<LNF>&>(other));
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// Do not steal; just clear
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delete fAtomicFormatter.exchange(nullptr);
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return *this;
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}
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LocalizedNumberRangeFormatter& LocalizedNumberRangeFormatter::operator=(LNF&& src) U_NOEXCEPT {
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NFS<LNF>::operator=(static_cast<NFS<LNF>&&>(src));
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// Steal the compiled formatter
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auto* stolen = src.fAtomicFormatter.exchange(nullptr);
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delete fAtomicFormatter.exchange(stolen);
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return *this;
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}
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LocalizedNumberRangeFormatter::~LocalizedNumberRangeFormatter() {
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delete fAtomicFormatter.exchange(nullptr);
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}
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LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(const RangeMacroProps& macros, const Locale& locale) {
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fMacros = macros;
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fMacros.locale = locale;
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touchRangeLocales(fMacros);
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}
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LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(RangeMacroProps&& macros, const Locale& locale) {
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fMacros = std::move(macros);
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fMacros.locale = locale;
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touchRangeLocales(fMacros);
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}
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LocalizedNumberRangeFormatter UnlocalizedNumberRangeFormatter::locale(const Locale& locale) const& {
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return LocalizedNumberRangeFormatter(fMacros, locale);
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}
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LocalizedNumberRangeFormatter UnlocalizedNumberRangeFormatter::locale(const Locale& locale)&& {
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return LocalizedNumberRangeFormatter(std::move(fMacros), locale);
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}
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FormattedNumberRange LocalizedNumberRangeFormatter::formatFormattableRange(
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const Formattable& first, const Formattable& second, UErrorCode& status) const {
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if (U_FAILURE(status)) {
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return FormattedNumberRange(U_ILLEGAL_ARGUMENT_ERROR);
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}
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auto results = new UFormattedNumberRangeData();
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if (results == nullptr) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return FormattedNumberRange(status);
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}
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first.populateDecimalQuantity(results->quantity1, status);
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if (U_FAILURE(status)) {
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return FormattedNumberRange(status);
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}
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second.populateDecimalQuantity(results->quantity2, status);
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if (U_FAILURE(status)) {
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return FormattedNumberRange(status);
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}
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formatImpl(*results, first == second, status);
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// Do not save the results object if we encountered a failure.
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if (U_SUCCESS(status)) {
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return FormattedNumberRange(results);
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} else {
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delete results;
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return FormattedNumberRange(status);
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}
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}
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void LocalizedNumberRangeFormatter::formatImpl(
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UFormattedNumberRangeData& results, bool equalBeforeRounding, UErrorCode& status) const {
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auto* impl = getFormatter(status);
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if (U_FAILURE(status)) {
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return;
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}
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if (impl == nullptr) {
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status = U_INTERNAL_PROGRAM_ERROR;
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return;
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}
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impl->format(results, equalBeforeRounding, status);
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if (U_FAILURE(status)) {
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return;
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}
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results.getStringRef().writeTerminator(status);
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}
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const impl::NumberRangeFormatterImpl*
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LocalizedNumberRangeFormatter::getFormatter(UErrorCode& status) const {
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// TODO: Move this into umutex.h? (similar logic also in decimfmt.cpp)
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// See ICU-20146
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if (U_FAILURE(status)) {
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return nullptr;
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}
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// First try to get the pre-computed formatter
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auto* ptr = fAtomicFormatter.load();
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if (ptr != nullptr) {
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return ptr;
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}
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// Try computing the formatter on our own
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auto* temp = new NumberRangeFormatterImpl(fMacros, status);
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if (U_FAILURE(status)) {
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return nullptr;
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}
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if (temp == nullptr) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return nullptr;
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}
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// Note: ptr starts as nullptr; during compare_exchange,
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// it is set to what is actually stored in the atomic
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// if another thread beat us to computing the formatter object.
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auto* nonConstThis = const_cast<LocalizedNumberRangeFormatter*>(this);
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if (!nonConstThis->fAtomicFormatter.compare_exchange_strong(ptr, temp)) {
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// Another thread beat us to computing the formatter
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delete temp;
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return ptr;
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} else {
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// Our copy of the formatter got stored in the atomic
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return temp;
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}
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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