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// © 2020 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "number_usageprefs.h"
#include "cstring.h"
#include "number_decimalquantity.h"
#include "number_microprops.h"
#include "number_roundingutils.h"
#include "number_skeletons.h"
#include "unicode/char16ptr.h"
#include "unicode/currunit.h"
#include "unicode/fmtable.h"
#include "unicode/measure.h"
#include "unicode/numberformatter.h"
#include "unicode/platform.h"
#include "unicode/unum.h"
#include "unicode/urename.h"
#include "units_data.h"
using namespace icu;
using namespace icu::number;
using namespace icu::number::impl;
using icu::StringSegment;
using icu::units::ConversionRates;
// Copy constructor
StringProp::StringProp(const StringProp &other) : StringProp() {
this->operator=(other);
}
// Copy assignment operator
StringProp &StringProp::operator=(const StringProp &other) {
if (this == &other) { return *this; } // self-assignment: no-op
fLength = 0;
fError = other.fError;
if (fValue != nullptr) {
uprv_free(fValue);
fValue = nullptr;
}
if (other.fValue == nullptr) {
return *this;
}
if (U_FAILURE(other.fError)) {
// We don't bother trying to allocating memory if we're in any case busy
// copying an errored StringProp.
return *this;
}
fValue = (char *)uprv_malloc(other.fLength + 1);
if (fValue == nullptr) {
fError = U_MEMORY_ALLOCATION_ERROR;
return *this;
}
fLength = other.fLength;
uprv_strncpy(fValue, other.fValue, fLength + 1);
return *this;
}
// Move constructor
StringProp::StringProp(StringProp &&src) noexcept : fValue(src.fValue),
fLength(src.fLength),
fError(src.fError) {
// Take ownership away from src if necessary
src.fValue = nullptr;
}
// Move assignment operator
StringProp &StringProp::operator=(StringProp &&src) noexcept {
if (this == &src) {
return *this;
}
if (fValue != nullptr) {
uprv_free(fValue);
}
fValue = src.fValue;
fLength = src.fLength;
fError = src.fError;
// Take ownership away from src if necessary
src.fValue = nullptr;
return *this;
}
StringProp::~StringProp() {
if (fValue != nullptr) {
uprv_free(fValue);
fValue = nullptr;
}
}
void StringProp::set(StringPiece value) {
if (fValue != nullptr) {
uprv_free(fValue);
fValue = nullptr;
}
fLength = value.length();
fValue = (char *)uprv_malloc(fLength + 1);
if (fValue == nullptr) {
fLength = 0;
fError = U_MEMORY_ALLOCATION_ERROR;
return;
}
if (fLength > 0) {
uprv_strncpy(fValue, value.data(), fLength);
}
fValue[fLength] = 0;
}
// Populates micros.mixedMeasures and modifies quantity, based on the values in
// measures.
void mixedMeasuresToMicros(const MaybeStackVector<Measure> &measures, DecimalQuantity *quantity,
MicroProps *micros, UErrorCode status) {
micros->mixedMeasuresCount = measures.length();
if (micros->mixedMeasures.getCapacity() < micros->mixedMeasuresCount) {
if (micros->mixedMeasures.resize(micros->mixedMeasuresCount) == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
}
for (int32_t i = 0; i < micros->mixedMeasuresCount; i++) {
switch (measures[i]->getNumber().getType()) {
case Formattable::kInt64:
micros->mixedMeasures[i] = measures[i]->getNumber().getInt64();
break;
case Formattable::kDouble:
U_ASSERT(micros->indexOfQuantity < 0);
quantity->setToDouble(measures[i]->getNumber().getDouble());
micros->indexOfQuantity = i;
break;
default:
U_ASSERT(0 == "Found a Measure Number which is neither a double nor an int");
UPRV_UNREACHABLE_EXIT;
break;
}
if (U_FAILURE(status)) {
return;
}
}
if (micros->indexOfQuantity < 0) {
// There is no quantity.
status = U_INTERNAL_PROGRAM_ERROR;
}
}
UsagePrefsHandler::UsagePrefsHandler(const Locale &locale,
const MeasureUnit &inputUnit,
const StringPiece usage,
const MicroPropsGenerator *parent,
UErrorCode &status)
: fUnitsRouter(inputUnit, locale, usage, status),
fParent(parent) {
}
void UsagePrefsHandler::processQuantity(DecimalQuantity &quantity, MicroProps µs,
UErrorCode &status) const {
fParent->processQuantity(quantity, micros, status);
if (U_FAILURE(status)) {
return;
}
quantity.roundToInfinity(); // Enables toDouble
const units::RouteResult routed = fUnitsRouter.route(quantity.toDouble(), µs.rounder, status);
if (U_FAILURE(status)) {
return;
}
const MaybeStackVector<Measure>& routedMeasures = routed.measures;
micros.outputUnit = routed.outputUnit.copy(status).build(status);
if (U_FAILURE(status)) {
return;
}
mixedMeasuresToMicros(routedMeasures, &quantity, µs, status);
}
UnitConversionHandler::UnitConversionHandler(const MeasureUnit &targetUnit,
const MicroPropsGenerator *parent, UErrorCode &status)
: fOutputUnit(targetUnit), fParent(parent) {
MeasureUnitImpl tempInput, tempOutput;
ConversionRates conversionRates(status);
if (U_FAILURE(status)) {
return;
}
const MeasureUnitImpl &targetUnitImpl =
MeasureUnitImpl::forMeasureUnit(targetUnit, tempOutput, status);
fUnitConverter.adoptInsteadAndCheckErrorCode(
new ComplexUnitsConverter(targetUnitImpl, conversionRates, status), status);
}
void UnitConversionHandler::processQuantity(DecimalQuantity &quantity, MicroProps µs,
UErrorCode &status) const {
fParent->processQuantity(quantity, micros, status);
if (U_FAILURE(status)) {
return;
}
quantity.roundToInfinity(); // Enables toDouble
MaybeStackVector<Measure> measures =
fUnitConverter->convert(quantity.toDouble(), µs.rounder, status);
micros.outputUnit = fOutputUnit;
if (U_FAILURE(status)) {
return;
}
mixedMeasuresToMicros(measures, &quantity, µs, status);
}
#endif /* #if !UCONFIG_NO_FORMATTING */
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