580 lines
23 KiB
C++
580 lines
23 KiB
C++
// © 2017 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 "cstring.h"
|
|
#include "unicode/ures.h"
|
|
#include "uresimp.h"
|
|
#include "charstr.h"
|
|
#include "number_formatimpl.h"
|
|
#include "unicode/numfmt.h"
|
|
#include "number_patternstring.h"
|
|
#include "number_utils.h"
|
|
#include "unicode/numberformatter.h"
|
|
#include "unicode/dcfmtsym.h"
|
|
#include "number_scientific.h"
|
|
#include "number_compact.h"
|
|
#include "uresimp.h"
|
|
#include "ureslocs.h"
|
|
|
|
using namespace icu;
|
|
using namespace icu::number;
|
|
using namespace icu::number::impl;
|
|
|
|
namespace {
|
|
|
|
struct CurrencyFormatInfoResult {
|
|
bool exists;
|
|
const char16_t* pattern;
|
|
const char16_t* decimalSeparator;
|
|
const char16_t* groupingSeparator;
|
|
};
|
|
|
|
CurrencyFormatInfoResult
|
|
getCurrencyFormatInfo(const Locale& locale, const char* isoCode, UErrorCode& status) {
|
|
// TODO: Load this data in a centralized location like ICU4J?
|
|
// TODO: Move this into the CurrencySymbols class?
|
|
// TODO: Parts of this same data are loaded in dcfmtsym.cpp; should clean up.
|
|
CurrencyFormatInfoResult result = {false, nullptr, nullptr, nullptr};
|
|
if (U_FAILURE(status)) { return result; }
|
|
CharString key;
|
|
key.append("Currencies/", status);
|
|
key.append(isoCode, status);
|
|
UErrorCode localStatus = status;
|
|
LocalUResourceBundlePointer bundle(ures_open(U_ICUDATA_CURR, locale.getName(), &localStatus));
|
|
ures_getByKeyWithFallback(bundle.getAlias(), key.data(), bundle.getAlias(), &localStatus);
|
|
if (U_SUCCESS(localStatus) &&
|
|
ures_getSize(bundle.getAlias()) > 2) { // the length is 3 if more data is present
|
|
ures_getByIndex(bundle.getAlias(), 2, bundle.getAlias(), &localStatus);
|
|
int32_t dummy;
|
|
result.exists = true;
|
|
result.pattern = ures_getStringByIndex(bundle.getAlias(), 0, &dummy, &localStatus);
|
|
result.decimalSeparator = ures_getStringByIndex(bundle.getAlias(), 1, &dummy, &localStatus);
|
|
result.groupingSeparator = ures_getStringByIndex(bundle.getAlias(), 2, &dummy, &localStatus);
|
|
status = localStatus;
|
|
} else if (localStatus != U_MISSING_RESOURCE_ERROR) {
|
|
status = localStatus;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
|
|
MicroPropsGenerator::~MicroPropsGenerator() = default;
|
|
|
|
|
|
NumberFormatterImpl::NumberFormatterImpl(const MacroProps& macros, UErrorCode& status)
|
|
: NumberFormatterImpl(macros, true, status) {
|
|
}
|
|
|
|
int32_t NumberFormatterImpl::formatStatic(const MacroProps& macros, DecimalQuantity& inValue,
|
|
FormattedStringBuilder& outString, UErrorCode& status) {
|
|
NumberFormatterImpl impl(macros, false, status);
|
|
MicroProps& micros = impl.preProcessUnsafe(inValue, status);
|
|
if (U_FAILURE(status)) { return 0; }
|
|
int32_t length = writeNumber(micros, inValue, outString, 0, status);
|
|
length += writeAffixes(micros, outString, 0, length, status);
|
|
return length;
|
|
}
|
|
|
|
int32_t NumberFormatterImpl::getPrefixSuffixStatic(const MacroProps& macros, Signum signum,
|
|
StandardPlural::Form plural,
|
|
FormattedStringBuilder& outString, UErrorCode& status) {
|
|
NumberFormatterImpl impl(macros, false, status);
|
|
return impl.getPrefixSuffixUnsafe(signum, plural, outString, status);
|
|
}
|
|
|
|
// NOTE: C++ SPECIFIC DIFFERENCE FROM JAVA:
|
|
// The "safe" apply method uses a new MicroProps. In the MicroPropsGenerator, fMicros is copied into the new instance.
|
|
// The "unsafe" method simply re-uses fMicros, eliminating the extra copy operation.
|
|
// See MicroProps::processQuantity() for details.
|
|
|
|
int32_t NumberFormatterImpl::format(DecimalQuantity& inValue, FormattedStringBuilder& outString,
|
|
UErrorCode& status) const {
|
|
MicroProps micros;
|
|
preProcess(inValue, micros, status);
|
|
if (U_FAILURE(status)) { return 0; }
|
|
int32_t length = writeNumber(micros, inValue, outString, 0, status);
|
|
length += writeAffixes(micros, outString, 0, length, status);
|
|
return length;
|
|
}
|
|
|
|
void NumberFormatterImpl::preProcess(DecimalQuantity& inValue, MicroProps& microsOut,
|
|
UErrorCode& status) const {
|
|
if (U_FAILURE(status)) { return; }
|
|
if (fMicroPropsGenerator == nullptr) {
|
|
status = U_INTERNAL_PROGRAM_ERROR;
|
|
return;
|
|
}
|
|
fMicroPropsGenerator->processQuantity(inValue, microsOut, status);
|
|
microsOut.integerWidth.apply(inValue, status);
|
|
}
|
|
|
|
MicroProps& NumberFormatterImpl::preProcessUnsafe(DecimalQuantity& inValue, UErrorCode& status) {
|
|
if (U_FAILURE(status)) {
|
|
return fMicros; // must always return a value
|
|
}
|
|
if (fMicroPropsGenerator == nullptr) {
|
|
status = U_INTERNAL_PROGRAM_ERROR;
|
|
return fMicros; // must always return a value
|
|
}
|
|
fMicroPropsGenerator->processQuantity(inValue, fMicros, status);
|
|
fMicros.integerWidth.apply(inValue, status);
|
|
return fMicros;
|
|
}
|
|
|
|
int32_t NumberFormatterImpl::getPrefixSuffix(Signum signum, StandardPlural::Form plural,
|
|
FormattedStringBuilder& outString, UErrorCode& status) const {
|
|
if (U_FAILURE(status)) { return 0; }
|
|
// #13453: DecimalFormat wants the affixes from the pattern only (modMiddle, aka pattern modifier).
|
|
// Safe path: use fImmutablePatternModifier.
|
|
const Modifier* modifier = fImmutablePatternModifier->getModifier(signum, plural);
|
|
modifier->apply(outString, 0, 0, status);
|
|
if (U_FAILURE(status)) { return 0; }
|
|
return modifier->getPrefixLength();
|
|
}
|
|
|
|
int32_t NumberFormatterImpl::getPrefixSuffixUnsafe(Signum signum, StandardPlural::Form plural,
|
|
FormattedStringBuilder& outString, UErrorCode& status) {
|
|
if (U_FAILURE(status)) { return 0; }
|
|
// #13453: DecimalFormat wants the affixes from the pattern only (modMiddle, aka pattern modifier).
|
|
// Unsafe path: use fPatternModifier.
|
|
fPatternModifier->setNumberProperties(signum, plural);
|
|
fPatternModifier->apply(outString, 0, 0, status);
|
|
if (U_FAILURE(status)) { return 0; }
|
|
return fPatternModifier->getPrefixLength();
|
|
}
|
|
|
|
NumberFormatterImpl::NumberFormatterImpl(const MacroProps& macros, bool safe, UErrorCode& status) {
|
|
fMicroPropsGenerator = macrosToMicroGenerator(macros, safe, status);
|
|
}
|
|
|
|
//////////
|
|
|
|
const MicroPropsGenerator*
|
|
NumberFormatterImpl::macrosToMicroGenerator(const MacroProps& macros, bool safe, UErrorCode& status) {
|
|
if (U_FAILURE(status)) { return nullptr; }
|
|
const MicroPropsGenerator* chain = &fMicros;
|
|
|
|
// Check that macros is error-free before continuing.
|
|
if (macros.copyErrorTo(status)) {
|
|
return nullptr;
|
|
}
|
|
|
|
// TODO: Accept currency symbols from DecimalFormatSymbols?
|
|
|
|
// Pre-compute a few values for efficiency.
|
|
bool isCurrency = utils::unitIsCurrency(macros.unit);
|
|
bool isNoUnit = utils::unitIsNoUnit(macros.unit);
|
|
bool isPercent = utils::unitIsPercent(macros.unit);
|
|
bool isPermille = utils::unitIsPermille(macros.unit);
|
|
bool isAccounting =
|
|
macros.sign == UNUM_SIGN_ACCOUNTING || macros.sign == UNUM_SIGN_ACCOUNTING_ALWAYS ||
|
|
macros.sign == UNUM_SIGN_ACCOUNTING_EXCEPT_ZERO;
|
|
CurrencyUnit currency(u"", status);
|
|
if (isCurrency) {
|
|
currency = CurrencyUnit(macros.unit, status); // Restore CurrencyUnit from MeasureUnit
|
|
}
|
|
const CurrencySymbols* currencySymbols;
|
|
if (macros.currencySymbols != nullptr) {
|
|
// Used by the DecimalFormat code path
|
|
currencySymbols = macros.currencySymbols;
|
|
} else {
|
|
fWarehouse.fCurrencySymbols = {currency, macros.locale, status};
|
|
currencySymbols = &fWarehouse.fCurrencySymbols;
|
|
}
|
|
UNumberUnitWidth unitWidth = UNUM_UNIT_WIDTH_SHORT;
|
|
if (macros.unitWidth != UNUM_UNIT_WIDTH_COUNT) {
|
|
unitWidth = macros.unitWidth;
|
|
}
|
|
bool isCldrUnit = !isCurrency && !isNoUnit &&
|
|
(unitWidth == UNUM_UNIT_WIDTH_FULL_NAME || !(isPercent || isPermille));
|
|
|
|
// Select the numbering system.
|
|
LocalPointer<const NumberingSystem> nsLocal;
|
|
const NumberingSystem* ns;
|
|
if (macros.symbols.isNumberingSystem()) {
|
|
ns = macros.symbols.getNumberingSystem();
|
|
} else {
|
|
// TODO: Is there a way to avoid creating the NumberingSystem object?
|
|
ns = NumberingSystem::createInstance(macros.locale, status);
|
|
// Give ownership to the function scope.
|
|
nsLocal.adoptInstead(ns);
|
|
}
|
|
const char* nsName = U_SUCCESS(status) ? ns->getName() : "latn";
|
|
uprv_strncpy(fMicros.nsName, nsName, 8);
|
|
fMicros.nsName[8] = 0; // guarantee NUL-terminated
|
|
|
|
// Resolve the symbols. Do this here because currency may need to customize them.
|
|
if (macros.symbols.isDecimalFormatSymbols()) {
|
|
fMicros.symbols = macros.symbols.getDecimalFormatSymbols();
|
|
} else {
|
|
auto newSymbols = new DecimalFormatSymbols(macros.locale, *ns, status);
|
|
if (newSymbols == nullptr) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
fMicros.symbols = newSymbols;
|
|
// Give ownership to the NumberFormatterImpl.
|
|
fSymbols.adoptInstead(fMicros.symbols);
|
|
}
|
|
|
|
// Load and parse the pattern string. It is used for grouping sizes and affixes only.
|
|
// If we are formatting currency, check for a currency-specific pattern.
|
|
const char16_t* pattern = nullptr;
|
|
if (isCurrency) {
|
|
CurrencyFormatInfoResult info = getCurrencyFormatInfo(
|
|
macros.locale, currency.getSubtype(), status);
|
|
if (info.exists) {
|
|
pattern = info.pattern;
|
|
// It's clunky to clone an object here, but this code is not frequently executed.
|
|
auto symbols = new DecimalFormatSymbols(*fMicros.symbols);
|
|
if (symbols == nullptr) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
fMicros.symbols = symbols;
|
|
fSymbols.adoptInstead(symbols);
|
|
symbols->setSymbol(
|
|
DecimalFormatSymbols::ENumberFormatSymbol::kMonetarySeparatorSymbol,
|
|
UnicodeString(info.decimalSeparator),
|
|
FALSE);
|
|
symbols->setSymbol(
|
|
DecimalFormatSymbols::ENumberFormatSymbol::kMonetaryGroupingSeparatorSymbol,
|
|
UnicodeString(info.groupingSeparator),
|
|
FALSE);
|
|
}
|
|
}
|
|
if (pattern == nullptr) {
|
|
CldrPatternStyle patternStyle;
|
|
if (isCldrUnit) {
|
|
patternStyle = CLDR_PATTERN_STYLE_DECIMAL;
|
|
} else if (isPercent || isPermille) {
|
|
patternStyle = CLDR_PATTERN_STYLE_PERCENT;
|
|
} else if (!isCurrency || unitWidth == UNUM_UNIT_WIDTH_FULL_NAME) {
|
|
patternStyle = CLDR_PATTERN_STYLE_DECIMAL;
|
|
} else if (isAccounting) {
|
|
// NOTE: Although ACCOUNTING and ACCOUNTING_ALWAYS are only supported in currencies right now,
|
|
// the API contract allows us to add support to other units in the future.
|
|
patternStyle = CLDR_PATTERN_STYLE_ACCOUNTING;
|
|
} else {
|
|
patternStyle = CLDR_PATTERN_STYLE_CURRENCY;
|
|
}
|
|
pattern = utils::getPatternForStyle(macros.locale, nsName, patternStyle, status);
|
|
}
|
|
auto patternInfo = new ParsedPatternInfo();
|
|
if (patternInfo == nullptr) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
fPatternInfo.adoptInstead(patternInfo);
|
|
PatternParser::parseToPatternInfo(UnicodeString(pattern), *patternInfo, status);
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////
|
|
/// START POPULATING THE DEFAULT MICROPROPS AND BUILDING THE MICROPROPS GENERATOR ///
|
|
/////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Multiplier
|
|
if (macros.scale.isValid()) {
|
|
fMicros.helpers.multiplier.setAndChain(macros.scale, chain);
|
|
chain = &fMicros.helpers.multiplier;
|
|
}
|
|
|
|
// Rounding strategy
|
|
Precision precision;
|
|
if (!macros.precision.isBogus()) {
|
|
precision = macros.precision;
|
|
} else if (macros.notation.fType == Notation::NTN_COMPACT) {
|
|
precision = Precision::integer().withMinDigits(2);
|
|
} else if (isCurrency) {
|
|
precision = Precision::currency(UCURR_USAGE_STANDARD);
|
|
} else {
|
|
precision = Precision::maxFraction(6);
|
|
}
|
|
UNumberFormatRoundingMode roundingMode;
|
|
if (macros.roundingMode != kDefaultMode) {
|
|
roundingMode = macros.roundingMode;
|
|
} else {
|
|
// Temporary until ICU 64
|
|
roundingMode = precision.fRoundingMode;
|
|
}
|
|
fMicros.rounder = {precision, roundingMode, currency, status};
|
|
|
|
// Grouping strategy
|
|
if (!macros.grouper.isBogus()) {
|
|
fMicros.grouping = macros.grouper;
|
|
} else if (macros.notation.fType == Notation::NTN_COMPACT) {
|
|
// Compact notation uses minGrouping by default since ICU 59
|
|
fMicros.grouping = Grouper::forStrategy(UNUM_GROUPING_MIN2);
|
|
} else {
|
|
fMicros.grouping = Grouper::forStrategy(UNUM_GROUPING_AUTO);
|
|
}
|
|
fMicros.grouping.setLocaleData(*fPatternInfo, macros.locale);
|
|
|
|
// Padding strategy
|
|
if (!macros.padder.isBogus()) {
|
|
fMicros.padding = macros.padder;
|
|
} else {
|
|
fMicros.padding = Padder::none();
|
|
}
|
|
|
|
// Integer width
|
|
if (!macros.integerWidth.isBogus()) {
|
|
fMicros.integerWidth = macros.integerWidth;
|
|
} else {
|
|
fMicros.integerWidth = IntegerWidth::standard();
|
|
}
|
|
|
|
// Sign display
|
|
if (macros.sign != UNUM_SIGN_COUNT) {
|
|
fMicros.sign = macros.sign;
|
|
} else {
|
|
fMicros.sign = UNUM_SIGN_AUTO;
|
|
}
|
|
|
|
// Decimal mark display
|
|
if (macros.decimal != UNUM_DECIMAL_SEPARATOR_COUNT) {
|
|
fMicros.decimal = macros.decimal;
|
|
} else {
|
|
fMicros.decimal = UNUM_DECIMAL_SEPARATOR_AUTO;
|
|
}
|
|
|
|
// Use monetary separator symbols
|
|
fMicros.useCurrency = isCurrency;
|
|
|
|
// Inner modifier (scientific notation)
|
|
if (macros.notation.fType == Notation::NTN_SCIENTIFIC) {
|
|
auto newScientificHandler = new ScientificHandler(¯os.notation, fMicros.symbols, chain);
|
|
if (newScientificHandler == nullptr) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
fScientificHandler.adoptInstead(newScientificHandler);
|
|
chain = fScientificHandler.getAlias();
|
|
} else {
|
|
// No inner modifier required
|
|
fMicros.modInner = &fMicros.helpers.emptyStrongModifier;
|
|
}
|
|
|
|
// Middle modifier (patterns, positive/negative, currency symbols, percent)
|
|
auto patternModifier = new MutablePatternModifier(false);
|
|
if (patternModifier == nullptr) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
fPatternModifier.adoptInstead(patternModifier);
|
|
patternModifier->setPatternInfo(
|
|
macros.affixProvider != nullptr ? macros.affixProvider
|
|
: static_cast<const AffixPatternProvider*>(fPatternInfo.getAlias()),
|
|
kUndefinedField);
|
|
patternModifier->setPatternAttributes(fMicros.sign, isPermille);
|
|
if (patternModifier->needsPlurals()) {
|
|
patternModifier->setSymbols(
|
|
fMicros.symbols,
|
|
currencySymbols,
|
|
unitWidth,
|
|
resolvePluralRules(macros.rules, macros.locale, status));
|
|
} else {
|
|
patternModifier->setSymbols(fMicros.symbols, currencySymbols, unitWidth, nullptr);
|
|
}
|
|
if (safe) {
|
|
fImmutablePatternModifier.adoptInstead(patternModifier->createImmutable(status));
|
|
}
|
|
|
|
// Outer modifier (CLDR units and currency long names)
|
|
if (isCldrUnit) {
|
|
fLongNameHandler.adoptInstead(
|
|
LongNameHandler::forMeasureUnit(
|
|
macros.locale,
|
|
macros.unit,
|
|
macros.perUnit,
|
|
unitWidth,
|
|
resolvePluralRules(macros.rules, macros.locale, status),
|
|
chain,
|
|
status));
|
|
chain = fLongNameHandler.getAlias();
|
|
} else if (isCurrency && unitWidth == UNUM_UNIT_WIDTH_FULL_NAME) {
|
|
fLongNameHandler.adoptInstead(
|
|
LongNameHandler::forCurrencyLongNames(
|
|
macros.locale,
|
|
currency,
|
|
resolvePluralRules(macros.rules, macros.locale, status),
|
|
chain,
|
|
status));
|
|
chain = fLongNameHandler.getAlias();
|
|
} else {
|
|
// No outer modifier required
|
|
fMicros.modOuter = &fMicros.helpers.emptyWeakModifier;
|
|
}
|
|
|
|
// Compact notation
|
|
if (macros.notation.fType == Notation::NTN_COMPACT) {
|
|
CompactType compactType = (isCurrency && unitWidth != UNUM_UNIT_WIDTH_FULL_NAME)
|
|
? CompactType::TYPE_CURRENCY : CompactType::TYPE_DECIMAL;
|
|
auto newCompactHandler = new CompactHandler(
|
|
macros.notation.fUnion.compactStyle,
|
|
macros.locale,
|
|
nsName,
|
|
compactType,
|
|
resolvePluralRules(macros.rules, macros.locale, status),
|
|
patternModifier,
|
|
safe,
|
|
chain,
|
|
status);
|
|
if (newCompactHandler == nullptr) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
fCompactHandler.adoptInstead(newCompactHandler);
|
|
chain = fCompactHandler.getAlias();
|
|
}
|
|
|
|
// Always add the pattern modifier as the last element of the chain.
|
|
if (safe) {
|
|
fImmutablePatternModifier->addToChain(chain);
|
|
chain = fImmutablePatternModifier.getAlias();
|
|
} else {
|
|
patternModifier->addToChain(chain);
|
|
chain = patternModifier;
|
|
}
|
|
|
|
return chain;
|
|
}
|
|
|
|
const PluralRules*
|
|
NumberFormatterImpl::resolvePluralRules(const PluralRules* rulesPtr, const Locale& locale,
|
|
UErrorCode& status) {
|
|
if (rulesPtr != nullptr) {
|
|
return rulesPtr;
|
|
}
|
|
// Lazily create PluralRules
|
|
if (fRules.isNull()) {
|
|
fRules.adoptInstead(PluralRules::forLocale(locale, status));
|
|
}
|
|
return fRules.getAlias();
|
|
}
|
|
|
|
int32_t NumberFormatterImpl::writeAffixes(const MicroProps& micros, FormattedStringBuilder& string,
|
|
int32_t start, int32_t end, UErrorCode& status) {
|
|
// Always apply the inner modifier (which is "strong").
|
|
int32_t length = micros.modInner->apply(string, start, end, status);
|
|
if (micros.padding.isValid()) {
|
|
length += micros.padding
|
|
.padAndApply(*micros.modMiddle, *micros.modOuter, string, start, length + end, status);
|
|
} else {
|
|
length += micros.modMiddle->apply(string, start, length + end, status);
|
|
length += micros.modOuter->apply(string, start, length + end, status);
|
|
}
|
|
return length;
|
|
}
|
|
|
|
int32_t NumberFormatterImpl::writeNumber(const MicroProps& micros, DecimalQuantity& quantity,
|
|
FormattedStringBuilder& string, int32_t index,
|
|
UErrorCode& status) {
|
|
int32_t length = 0;
|
|
if (quantity.isInfinite()) {
|
|
length += string.insert(
|
|
length + index,
|
|
micros.symbols->getSymbol(DecimalFormatSymbols::ENumberFormatSymbol::kInfinitySymbol),
|
|
{UFIELD_CATEGORY_NUMBER, UNUM_INTEGER_FIELD},
|
|
status);
|
|
|
|
} else if (quantity.isNaN()) {
|
|
length += string.insert(
|
|
length + index,
|
|
micros.symbols->getSymbol(DecimalFormatSymbols::ENumberFormatSymbol::kNaNSymbol),
|
|
{UFIELD_CATEGORY_NUMBER, UNUM_INTEGER_FIELD},
|
|
status);
|
|
|
|
} else {
|
|
// Add the integer digits
|
|
length += writeIntegerDigits(micros, quantity, string, length + index, status);
|
|
|
|
// Add the decimal point
|
|
if (quantity.getLowerDisplayMagnitude() < 0 || micros.decimal == UNUM_DECIMAL_SEPARATOR_ALWAYS) {
|
|
length += string.insert(
|
|
length + index,
|
|
micros.useCurrency ? micros.symbols->getSymbol(
|
|
DecimalFormatSymbols::ENumberFormatSymbol::kMonetarySeparatorSymbol) : micros
|
|
.symbols
|
|
->getSymbol(
|
|
DecimalFormatSymbols::ENumberFormatSymbol::kDecimalSeparatorSymbol),
|
|
{UFIELD_CATEGORY_NUMBER, UNUM_DECIMAL_SEPARATOR_FIELD},
|
|
status);
|
|
}
|
|
|
|
// Add the fraction digits
|
|
length += writeFractionDigits(micros, quantity, string, length + index, status);
|
|
|
|
if (length == 0) {
|
|
// Force output of the digit for value 0
|
|
length += utils::insertDigitFromSymbols(
|
|
string,
|
|
index,
|
|
0,
|
|
*micros.symbols,
|
|
{UFIELD_CATEGORY_NUMBER, UNUM_INTEGER_FIELD},
|
|
status);
|
|
}
|
|
}
|
|
|
|
return length;
|
|
}
|
|
|
|
int32_t NumberFormatterImpl::writeIntegerDigits(const MicroProps& micros, DecimalQuantity& quantity,
|
|
FormattedStringBuilder& string, int32_t index,
|
|
UErrorCode& status) {
|
|
int length = 0;
|
|
int integerCount = quantity.getUpperDisplayMagnitude() + 1;
|
|
for (int i = 0; i < integerCount; i++) {
|
|
// Add grouping separator
|
|
if (micros.grouping.groupAtPosition(i, quantity)) {
|
|
length += string.insert(
|
|
index,
|
|
micros.useCurrency ? micros.symbols->getSymbol(
|
|
DecimalFormatSymbols::ENumberFormatSymbol::kMonetaryGroupingSeparatorSymbol)
|
|
: micros.symbols->getSymbol(
|
|
DecimalFormatSymbols::ENumberFormatSymbol::kGroupingSeparatorSymbol),
|
|
{UFIELD_CATEGORY_NUMBER, UNUM_GROUPING_SEPARATOR_FIELD},
|
|
status);
|
|
}
|
|
|
|
// Get and append the next digit value
|
|
int8_t nextDigit = quantity.getDigit(i);
|
|
length += utils::insertDigitFromSymbols(
|
|
string,
|
|
index,
|
|
nextDigit,
|
|
*micros.symbols,
|
|
{UFIELD_CATEGORY_NUMBER,
|
|
UNUM_INTEGER_FIELD},
|
|
status);
|
|
}
|
|
return length;
|
|
}
|
|
|
|
int32_t NumberFormatterImpl::writeFractionDigits(const MicroProps& micros, DecimalQuantity& quantity,
|
|
FormattedStringBuilder& string, int32_t index,
|
|
UErrorCode& status) {
|
|
int length = 0;
|
|
int fractionCount = -quantity.getLowerDisplayMagnitude();
|
|
for (int i = 0; i < fractionCount; i++) {
|
|
// Get and append the next digit value
|
|
int8_t nextDigit = quantity.getDigit(-i - 1);
|
|
length += utils::insertDigitFromSymbols(
|
|
string,
|
|
length + index,
|
|
nextDigit,
|
|
*micros.symbols,
|
|
{UFIELD_CATEGORY_NUMBER, UNUM_FRACTION_FIELD},
|
|
status);
|
|
}
|
|
return length;
|
|
}
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|