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// © 2018 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
// Allow implicit conversion from char16_t* to UnicodeString for this file:
// Helpful in toString methods and elsewhere.
#define UNISTR_FROM_STRING_EXPLICIT
#include "numrange_impl.h"
#include "util.h"
#include "number_utypes.h"
#include "number_decnum.h"
using namespace icu;
using namespace icu::number;
using namespace icu::number::impl;
// This function needs to be declared in this namespace so it can be friended.
// NOTE: In Java, this logic is handled in the resolve() function.
void icu::number::impl::touchRangeLocales(RangeMacroProps& macros) {
macros.formatter1.fMacros.locale = macros.locale;
macros.formatter2.fMacros.locale = macros.locale;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterBoth(const UnlocalizedNumberFormatter& formatter) const& {
Derived copy(*this);
copy.fMacros.formatter1 = formatter;
copy.fMacros.singleFormatter = true;
touchRangeLocales(copy.fMacros);
return copy;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterBoth(const UnlocalizedNumberFormatter& formatter) && {
Derived move(std::move(*this));
move.fMacros.formatter1 = formatter;
move.fMacros.singleFormatter = true;
touchRangeLocales(move.fMacros);
return move;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterBoth(UnlocalizedNumberFormatter&& formatter) const& {
Derived copy(*this);
copy.fMacros.formatter1 = std::move(formatter);
copy.fMacros.singleFormatter = true;
touchRangeLocales(copy.fMacros);
return copy;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterBoth(UnlocalizedNumberFormatter&& formatter) && {
Derived move(std::move(*this));
move.fMacros.formatter1 = std::move(formatter);
move.fMacros.singleFormatter = true;
touchRangeLocales(move.fMacros);
return move;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterFirst(const UnlocalizedNumberFormatter& formatter) const& {
Derived copy(*this);
copy.fMacros.formatter1 = formatter;
copy.fMacros.singleFormatter = false;
touchRangeLocales(copy.fMacros);
return copy;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterFirst(const UnlocalizedNumberFormatter& formatter) && {
Derived move(std::move(*this));
move.fMacros.formatter1 = formatter;
move.fMacros.singleFormatter = false;
touchRangeLocales(move.fMacros);
return move;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterFirst(UnlocalizedNumberFormatter&& formatter) const& {
Derived copy(*this);
copy.fMacros.formatter1 = std::move(formatter);
copy.fMacros.singleFormatter = false;
touchRangeLocales(copy.fMacros);
return copy;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterFirst(UnlocalizedNumberFormatter&& formatter) && {
Derived move(std::move(*this));
move.fMacros.formatter1 = std::move(formatter);
move.fMacros.singleFormatter = false;
touchRangeLocales(move.fMacros);
return move;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterSecond(const UnlocalizedNumberFormatter& formatter) const& {
Derived copy(*this);
copy.fMacros.formatter2 = formatter;
copy.fMacros.singleFormatter = false;
touchRangeLocales(copy.fMacros);
return copy;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterSecond(const UnlocalizedNumberFormatter& formatter) && {
Derived move(std::move(*this));
move.fMacros.formatter2 = formatter;
move.fMacros.singleFormatter = false;
touchRangeLocales(move.fMacros);
return move;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterSecond(UnlocalizedNumberFormatter&& formatter) const& {
Derived copy(*this);
copy.fMacros.formatter2 = std::move(formatter);
copy.fMacros.singleFormatter = false;
touchRangeLocales(copy.fMacros);
return copy;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::numberFormatterSecond(UnlocalizedNumberFormatter&& formatter) && {
Derived move(std::move(*this));
move.fMacros.formatter2 = std::move(formatter);
move.fMacros.singleFormatter = false;
touchRangeLocales(move.fMacros);
return move;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::collapse(UNumberRangeCollapse collapse) const& {
Derived copy(*this);
copy.fMacros.collapse = collapse;
return copy;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::collapse(UNumberRangeCollapse collapse) && {
Derived move(std::move(*this));
move.fMacros.collapse = collapse;
return move;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::identityFallback(UNumberRangeIdentityFallback identityFallback) const& {
Derived copy(*this);
copy.fMacros.identityFallback = identityFallback;
return copy;
}
template<typename Derived>
Derived NumberRangeFormatterSettings<Derived>::identityFallback(UNumberRangeIdentityFallback identityFallback) && {
Derived move(std::move(*this));
move.fMacros.identityFallback = identityFallback;
return move;
}
template<typename Derived>
LocalPointer<Derived> NumberRangeFormatterSettings<Derived>::clone() const & {
return LocalPointer<Derived>(new Derived(*this));
}
template<typename Derived>
LocalPointer<Derived> NumberRangeFormatterSettings<Derived>::clone() && {
return LocalPointer<Derived>(new Derived(std::move(*this)));
}
// Declare all classes that implement NumberRangeFormatterSettings
// See https://stackoverflow.com/a/495056/1407170
template
class icu::number::NumberRangeFormatterSettings<icu::number::UnlocalizedNumberRangeFormatter>;
template
class icu::number::NumberRangeFormatterSettings<icu::number::LocalizedNumberRangeFormatter>;
UnlocalizedNumberRangeFormatter NumberRangeFormatter::with() {
UnlocalizedNumberRangeFormatter result;
return result;
}
LocalizedNumberRangeFormatter NumberRangeFormatter::withLocale(const Locale& locale) {
return with().locale(locale);
}
template<typename T> using NFS = NumberRangeFormatterSettings<T>;
using LNF = LocalizedNumberRangeFormatter;
using UNF = UnlocalizedNumberRangeFormatter;
UnlocalizedNumberRangeFormatter::UnlocalizedNumberRangeFormatter(const UNF& other)
: UNF(static_cast<const NFS<UNF>&>(other)) {}
UnlocalizedNumberRangeFormatter::UnlocalizedNumberRangeFormatter(const NFS<UNF>& other)
: NFS<UNF>(other) {
// No additional fields to assign
}
// Make default copy constructor call the NumberRangeFormatterSettings copy constructor.
UnlocalizedNumberRangeFormatter::UnlocalizedNumberRangeFormatter(UNF&& src) U_NOEXCEPT
: UNF(static_cast<NFS<UNF>&&>(src)) {}
UnlocalizedNumberRangeFormatter::UnlocalizedNumberRangeFormatter(NFS<UNF>&& src) U_NOEXCEPT
: NFS<UNF>(std::move(src)) {
// No additional fields to assign
}
UnlocalizedNumberRangeFormatter& UnlocalizedNumberRangeFormatter::operator=(const UNF& other) {
NFS<UNF>::operator=(static_cast<const NFS<UNF>&>(other));
// No additional fields to assign
return *this;
}
UnlocalizedNumberRangeFormatter& UnlocalizedNumberRangeFormatter::operator=(UNF&& src) U_NOEXCEPT {
NFS<UNF>::operator=(static_cast<NFS<UNF>&&>(src));
// No additional fields to assign
return *this;
}
// Make default copy constructor call the NumberRangeFormatterSettings copy constructor.
LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(const LNF& other)
: LNF(static_cast<const NFS<LNF>&>(other)) {}
LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(const NFS<LNF>& other)
: NFS<LNF>(other) {
// No additional fields to assign
}
LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(LocalizedNumberRangeFormatter&& src) U_NOEXCEPT
: LNF(static_cast<NFS<LNF>&&>(src)) {}
LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(NFS<LNF>&& src) U_NOEXCEPT
: NFS<LNF>(std::move(src)) {
// Steal the compiled formatter
LNF&& _src = static_cast<LNF&&>(src);
auto* stolen = _src.fAtomicFormatter.exchange(nullptr);
delete fAtomicFormatter.exchange(stolen);
}
LocalizedNumberRangeFormatter& LocalizedNumberRangeFormatter::operator=(const LNF& other) {
if (this == &other) { return *this; } // self-assignment: no-op
NFS<LNF>::operator=(static_cast<const NFS<LNF>&>(other));
// Do not steal; just clear
delete fAtomicFormatter.exchange(nullptr);
return *this;
}
LocalizedNumberRangeFormatter& LocalizedNumberRangeFormatter::operator=(LNF&& src) U_NOEXCEPT {
NFS<LNF>::operator=(static_cast<NFS<LNF>&&>(src));
// Steal the compiled formatter
auto* stolen = src.fAtomicFormatter.exchange(nullptr);
delete fAtomicFormatter.exchange(stolen);
return *this;
}
LocalizedNumberRangeFormatter::~LocalizedNumberRangeFormatter() {
delete fAtomicFormatter.exchange(nullptr);
}
LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(const RangeMacroProps& macros, const Locale& locale) {
fMacros = macros;
fMacros.locale = locale;
touchRangeLocales(fMacros);
}
LocalizedNumberRangeFormatter::LocalizedNumberRangeFormatter(RangeMacroProps&& macros, const Locale& locale) {
fMacros = std::move(macros);
fMacros.locale = locale;
touchRangeLocales(fMacros);
}
LocalizedNumberRangeFormatter UnlocalizedNumberRangeFormatter::locale(const Locale& locale) const& {
return LocalizedNumberRangeFormatter(fMacros, locale);
}
LocalizedNumberRangeFormatter UnlocalizedNumberRangeFormatter::locale(const Locale& locale)&& {
return LocalizedNumberRangeFormatter(std::move(fMacros), locale);
}
FormattedNumberRange LocalizedNumberRangeFormatter::formatFormattableRange(
const Formattable& first, const Formattable& second, UErrorCode& status) const {
if (U_FAILURE(status)) {
return FormattedNumberRange(U_ILLEGAL_ARGUMENT_ERROR);
}
auto results = new UFormattedNumberRangeData();
if (results == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
return FormattedNumberRange(status);
}
first.populateDecimalQuantity(results->quantity1, status);
if (U_FAILURE(status)) {
return FormattedNumberRange(status);
}
second.populateDecimalQuantity(results->quantity2, status);
if (U_FAILURE(status)) {
return FormattedNumberRange(status);
}
formatImpl(*results, first == second, status);
// Do not save the results object if we encountered a failure.
if (U_SUCCESS(status)) {
return FormattedNumberRange(results);
} else {
delete results;
return FormattedNumberRange(status);
}
}
void LocalizedNumberRangeFormatter::formatImpl(
UFormattedNumberRangeData& results, bool equalBeforeRounding, UErrorCode& status) const {
auto* impl = getFormatter(status);
if (U_FAILURE(status)) {
return;
}
if (impl == nullptr) {
status = U_INTERNAL_PROGRAM_ERROR;
return;
}
impl->format(results, equalBeforeRounding, status);
if (U_FAILURE(status)) {
return;
}
results.getStringRef().writeTerminator(status);
}
const impl::NumberRangeFormatterImpl*
LocalizedNumberRangeFormatter::getFormatter(UErrorCode& status) const {
// TODO: Move this into umutex.h? (similar logic also in decimfmt.cpp)
// See ICU-20146
if (U_FAILURE(status)) {
return nullptr;
}
// First try to get the pre-computed formatter
auto* ptr = fAtomicFormatter.load();
if (ptr != nullptr) {
return ptr;
}
// Try computing the formatter on our own
auto* temp = new NumberRangeFormatterImpl(fMacros, status);
if (U_FAILURE(status)) {
return nullptr;
}
if (temp == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
return nullptr;
}
// Note: ptr starts as nullptr; during compare_exchange,
// it is set to what is actually stored in the atomic
// if another thread beat us to computing the formatter object.
auto* nonConstThis = const_cast<LocalizedNumberRangeFormatter*>(this);
if (!nonConstThis->fAtomicFormatter.compare_exchange_strong(ptr, temp)) {
// Another thread beat us to computing the formatter
delete temp;
return ptr;
} else {
// Our copy of the formatter got stored in the atomic
return temp;
}
}
#endif /* #if !UCONFIG_NO_FORMATTING */