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-rw-r--r--intl/icu/source/i18n/measfmt.cpp893
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diff --git a/intl/icu/source/i18n/measfmt.cpp b/intl/icu/source/i18n/measfmt.cpp
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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+* Copyright (c) 2004-2016, International Business Machines
+* Corporation and others. All Rights Reserved.
+**********************************************************************
+* Author: Alan Liu
+* Created: April 20, 2004
+* Since: ICU 3.0
+**********************************************************************
+*/
+#include "utypeinfo.h" // for 'typeid' to work
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/measfmt.h"
+#include "unicode/numfmt.h"
+#include "currfmt.h"
+#include "unicode/localpointer.h"
+#include "resource.h"
+#include "unicode/simpleformatter.h"
+#include "quantityformatter.h"
+#include "unicode/plurrule.h"
+#include "unicode/decimfmt.h"
+#include "uresimp.h"
+#include "unicode/ures.h"
+#include "unicode/ustring.h"
+#include "ureslocs.h"
+#include "cstring.h"
+#include "mutex.h"
+#include "ucln_in.h"
+#include "unicode/listformatter.h"
+#include "charstr.h"
+#include "unicode/putil.h"
+#include "unicode/smpdtfmt.h"
+#include "uassert.h"
+#include "unicode/numberformatter.h"
+#include "number_longnames.h"
+#include "number_utypes.h"
+
+#include "sharednumberformat.h"
+#include "sharedpluralrules.h"
+#include "standardplural.h"
+#include "unifiedcache.h"
+
+
+U_NAMESPACE_BEGIN
+
+using number::impl::UFormattedNumberData;
+
+static constexpr int32_t WIDTH_INDEX_COUNT = UMEASFMT_WIDTH_NARROW + 1;
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(MeasureFormat)
+
+// Used to format durations like 5:47 or 21:35:42.
+class NumericDateFormatters : public UMemory {
+public:
+ // Formats like H:mm
+ UnicodeString hourMinute;
+
+ // formats like M:ss
+ UnicodeString minuteSecond;
+
+ // formats like H:mm:ss
+ UnicodeString hourMinuteSecond;
+
+ // Constructor that takes the actual patterns for hour-minute,
+ // minute-second, and hour-minute-second respectively.
+ NumericDateFormatters(
+ const UnicodeString &hm,
+ const UnicodeString &ms,
+ const UnicodeString &hms) :
+ hourMinute(hm),
+ minuteSecond(ms),
+ hourMinuteSecond(hms) {
+ }
+private:
+ NumericDateFormatters(const NumericDateFormatters &other);
+ NumericDateFormatters &operator=(const NumericDateFormatters &other);
+};
+
+static UMeasureFormatWidth getRegularWidth(UMeasureFormatWidth width) {
+ if (width >= WIDTH_INDEX_COUNT) {
+ return UMEASFMT_WIDTH_NARROW;
+ }
+ return width;
+}
+
+static UNumberUnitWidth getUnitWidth(UMeasureFormatWidth width) {
+ switch (width) {
+ case UMEASFMT_WIDTH_WIDE:
+ return UNUM_UNIT_WIDTH_FULL_NAME;
+ case UMEASFMT_WIDTH_NARROW:
+ case UMEASFMT_WIDTH_NUMERIC:
+ return UNUM_UNIT_WIDTH_NARROW;
+ case UMEASFMT_WIDTH_SHORT:
+ default:
+ return UNUM_UNIT_WIDTH_SHORT;
+ }
+}
+
+/**
+ * Instances contain all MeasureFormat specific data for a particular locale.
+ * This data is cached. It is never copied, but is shared via shared pointers.
+ *
+ * Note: We might change the cache data to have an array[WIDTH_INDEX_COUNT] of
+ * complete sets of unit & per patterns,
+ * to correspond to the resource data and its aliases.
+ *
+ * TODO: Maybe store more sparsely in general, with pointers rather than potentially-empty objects.
+ */
+class MeasureFormatCacheData : public SharedObject {
+public:
+
+ /**
+ * Redirection data from root-bundle, top-level sideways aliases.
+ * - UMEASFMT_WIDTH_COUNT: initial value, just fall back to root
+ * - UMEASFMT_WIDTH_WIDE/SHORT/NARROW: sideways alias for missing data
+ */
+ UMeasureFormatWidth widthFallback[WIDTH_INDEX_COUNT];
+
+ MeasureFormatCacheData();
+ virtual ~MeasureFormatCacheData();
+
+ void adoptCurrencyFormat(int32_t widthIndex, NumberFormat *nfToAdopt) {
+ delete currencyFormats[widthIndex];
+ currencyFormats[widthIndex] = nfToAdopt;
+ }
+ const NumberFormat *getCurrencyFormat(UMeasureFormatWidth width) const {
+ return currencyFormats[getRegularWidth(width)];
+ }
+ void adoptIntegerFormat(NumberFormat *nfToAdopt) {
+ delete integerFormat;
+ integerFormat = nfToAdopt;
+ }
+ const NumberFormat *getIntegerFormat() const {
+ return integerFormat;
+ }
+ void adoptNumericDateFormatters(NumericDateFormatters *formattersToAdopt) {
+ delete numericDateFormatters;
+ numericDateFormatters = formattersToAdopt;
+ }
+ const NumericDateFormatters *getNumericDateFormatters() const {
+ return numericDateFormatters;
+ }
+
+private:
+ NumberFormat* currencyFormats[WIDTH_INDEX_COUNT];
+ NumberFormat* integerFormat;
+ NumericDateFormatters* numericDateFormatters;
+
+ MeasureFormatCacheData(const MeasureFormatCacheData &other);
+ MeasureFormatCacheData &operator=(const MeasureFormatCacheData &other);
+};
+
+MeasureFormatCacheData::MeasureFormatCacheData()
+ : integerFormat(nullptr), numericDateFormatters(nullptr) {
+ for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
+ widthFallback[i] = UMEASFMT_WIDTH_COUNT;
+ }
+ memset(currencyFormats, 0, sizeof(currencyFormats));
+}
+
+MeasureFormatCacheData::~MeasureFormatCacheData() {
+ for (int32_t i = 0; i < UPRV_LENGTHOF(currencyFormats); ++i) {
+ delete currencyFormats[i];
+ }
+ // Note: the contents of 'dnams' are pointers into the resource bundle
+ delete integerFormat;
+ delete numericDateFormatters;
+}
+
+static UBool isCurrency(const MeasureUnit &unit) {
+ return (uprv_strcmp(unit.getType(), "currency") == 0);
+}
+
+static UBool getString(
+ const UResourceBundle *resource,
+ UnicodeString &result,
+ UErrorCode &status) {
+ int32_t len = 0;
+ const char16_t *resStr = ures_getString(resource, &len, &status);
+ if (U_FAILURE(status)) {
+ return false;
+ }
+ result.setTo(true, resStr, len);
+ return true;
+}
+
+static UnicodeString loadNumericDateFormatterPattern(
+ const UResourceBundle *resource,
+ const char *pattern,
+ UErrorCode &status) {
+ UnicodeString result;
+ if (U_FAILURE(status)) {
+ return result;
+ }
+ CharString chs;
+ chs.append("durationUnits", status)
+ .append("/", status).append(pattern, status);
+ LocalUResourceBundlePointer patternBundle(
+ ures_getByKeyWithFallback(
+ resource,
+ chs.data(),
+ nullptr,
+ &status));
+ if (U_FAILURE(status)) {
+ return result;
+ }
+ getString(patternBundle.getAlias(), result, status);
+ // Replace 'h' with 'H'
+ int32_t len = result.length();
+ char16_t *buffer = result.getBuffer(len);
+ for (int32_t i = 0; i < len; ++i) {
+ if (buffer[i] == 0x68) { // 'h'
+ buffer[i] = 0x48; // 'H'
+ }
+ }
+ result.releaseBuffer(len);
+ return result;
+}
+
+static NumericDateFormatters *loadNumericDateFormatters(
+ const UResourceBundle *resource,
+ UErrorCode &status) {
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
+ NumericDateFormatters *result = new NumericDateFormatters(
+ loadNumericDateFormatterPattern(resource, "hm", status),
+ loadNumericDateFormatterPattern(resource, "ms", status),
+ loadNumericDateFormatterPattern(resource, "hms", status));
+ if (U_FAILURE(status)) {
+ delete result;
+ return nullptr;
+ }
+ return result;
+}
+
+template<>
+const MeasureFormatCacheData *LocaleCacheKey<MeasureFormatCacheData>::createObject(
+ const void * /*unused*/, UErrorCode &status) const {
+ const char *localeId = fLoc.getName();
+ LocalUResourceBundlePointer unitsBundle(ures_open(U_ICUDATA_UNIT, localeId, &status));
+ static UNumberFormatStyle currencyStyles[] = {
+ UNUM_CURRENCY_PLURAL, UNUM_CURRENCY_ISO, UNUM_CURRENCY};
+ LocalPointer<MeasureFormatCacheData> result(new MeasureFormatCacheData(), status);
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
+ result->adoptNumericDateFormatters(loadNumericDateFormatters(
+ unitsBundle.getAlias(), status));
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
+
+ for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
+ // NumberFormat::createInstance can erase warning codes from status, so pass it
+ // a separate status instance
+ UErrorCode localStatus = U_ZERO_ERROR;
+ result->adoptCurrencyFormat(i, NumberFormat::createInstance(
+ localeId, currencyStyles[i], localStatus));
+ if (localStatus != U_ZERO_ERROR) {
+ status = localStatus;
+ }
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
+ }
+ NumberFormat *inf = NumberFormat::createInstance(
+ localeId, UNUM_DECIMAL, status);
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
+ inf->setMaximumFractionDigits(0);
+ DecimalFormat *decfmt = dynamic_cast<DecimalFormat *>(inf);
+ if (decfmt != nullptr) {
+ decfmt->setRoundingMode(DecimalFormat::kRoundDown);
+ }
+ result->adoptIntegerFormat(inf);
+ result->addRef();
+ return result.orphan();
+}
+
+static UBool isTimeUnit(const MeasureUnit &mu, const char *tu) {
+ return uprv_strcmp(mu.getType(), "duration") == 0 &&
+ uprv_strcmp(mu.getSubtype(), tu) == 0;
+}
+
+// Converts a composite measure into hours-minutes-seconds and stores at hms
+// array. [0] is hours; [1] is minutes; [2] is seconds. Returns a bit map of
+// units found: 1=hours, 2=minutes, 4=seconds. For example, if measures
+// contains hours-minutes, this function would return 3.
+//
+// If measures cannot be converted into hours, minutes, seconds or if amounts
+// are negative, or if hours, minutes, seconds are out of order, returns 0.
+static int32_t toHMS(
+ const Measure *measures,
+ int32_t measureCount,
+ Formattable *hms,
+ UErrorCode &status) {
+ if (U_FAILURE(status)) {
+ return 0;
+ }
+ int32_t result = 0;
+ if (U_FAILURE(status)) {
+ return 0;
+ }
+ // We use copy constructor to ensure that both sides of equality operator
+ // are instances of MeasureUnit base class and not a subclass. Otherwise,
+ // operator== will immediately return false.
+ for (int32_t i = 0; i < measureCount; ++i) {
+ if (isTimeUnit(measures[i].getUnit(), "hour")) {
+ // hour must come first
+ if (result >= 1) {
+ return 0;
+ }
+ hms[0] = measures[i].getNumber();
+ if (hms[0].getDouble() < 0.0) {
+ return 0;
+ }
+ result |= 1;
+ } else if (isTimeUnit(measures[i].getUnit(), "minute")) {
+ // minute must come after hour
+ if (result >= 2) {
+ return 0;
+ }
+ hms[1] = measures[i].getNumber();
+ if (hms[1].getDouble() < 0.0) {
+ return 0;
+ }
+ result |= 2;
+ } else if (isTimeUnit(measures[i].getUnit(), "second")) {
+ // second must come after hour and minute
+ if (result >= 4) {
+ return 0;
+ }
+ hms[2] = measures[i].getNumber();
+ if (hms[2].getDouble() < 0.0) {
+ return 0;
+ }
+ result |= 4;
+ } else {
+ return 0;
+ }
+ }
+ return result;
+}
+
+
+MeasureFormat::MeasureFormat(
+ const Locale &locale, UMeasureFormatWidth w, UErrorCode &status)
+ : cache(nullptr),
+ numberFormat(nullptr),
+ pluralRules(nullptr),
+ fWidth(w),
+ listFormatter(nullptr) {
+ initMeasureFormat(locale, w, nullptr, status);
+}
+
+MeasureFormat::MeasureFormat(
+ const Locale &locale,
+ UMeasureFormatWidth w,
+ NumberFormat *nfToAdopt,
+ UErrorCode &status)
+ : cache(nullptr),
+ numberFormat(nullptr),
+ pluralRules(nullptr),
+ fWidth(w),
+ listFormatter(nullptr) {
+ initMeasureFormat(locale, w, nfToAdopt, status);
+}
+
+MeasureFormat::MeasureFormat(const MeasureFormat &other) :
+ Format(other),
+ cache(other.cache),
+ numberFormat(other.numberFormat),
+ pluralRules(other.pluralRules),
+ fWidth(other.fWidth),
+ listFormatter(nullptr) {
+ cache->addRef();
+ numberFormat->addRef();
+ pluralRules->addRef();
+ if (other.listFormatter != nullptr) {
+ listFormatter = new ListFormatter(*other.listFormatter);
+ }
+}
+
+MeasureFormat &MeasureFormat::operator=(const MeasureFormat &other) {
+ if (this == &other) {
+ return *this;
+ }
+ Format::operator=(other);
+ SharedObject::copyPtr(other.cache, cache);
+ SharedObject::copyPtr(other.numberFormat, numberFormat);
+ SharedObject::copyPtr(other.pluralRules, pluralRules);
+ fWidth = other.fWidth;
+ delete listFormatter;
+ if (other.listFormatter != nullptr) {
+ listFormatter = new ListFormatter(*other.listFormatter);
+ } else {
+ listFormatter = nullptr;
+ }
+ return *this;
+}
+
+MeasureFormat::MeasureFormat() :
+ cache(nullptr),
+ numberFormat(nullptr),
+ pluralRules(nullptr),
+ fWidth(UMEASFMT_WIDTH_SHORT),
+ listFormatter(nullptr) {
+}
+
+MeasureFormat::~MeasureFormat() {
+ if (cache != nullptr) {
+ cache->removeRef();
+ }
+ if (numberFormat != nullptr) {
+ numberFormat->removeRef();
+ }
+ if (pluralRules != nullptr) {
+ pluralRules->removeRef();
+ }
+ delete listFormatter;
+}
+
+bool MeasureFormat::operator==(const Format &other) const {
+ if (this == &other) { // Same object, equal
+ return true;
+ }
+ if (!Format::operator==(other)) {
+ return false;
+ }
+ const MeasureFormat &rhs = static_cast<const MeasureFormat &>(other);
+
+ // Note: Since the ListFormatter depends only on Locale and width, we
+ // don't have to check it here.
+
+ // differing widths aren't equivalent
+ if (fWidth != rhs.fWidth) {
+ return false;
+ }
+ // Width the same check locales.
+ // We don't need to check locales if both objects have same cache.
+ if (cache != rhs.cache) {
+ UErrorCode status = U_ZERO_ERROR;
+ const char *localeId = getLocaleID(status);
+ const char *rhsLocaleId = rhs.getLocaleID(status);
+ if (U_FAILURE(status)) {
+ // On failure, assume not equal
+ return false;
+ }
+ if (uprv_strcmp(localeId, rhsLocaleId) != 0) {
+ return false;
+ }
+ }
+ // Locales same, check NumberFormat if shared data differs.
+ return (
+ numberFormat == rhs.numberFormat ||
+ **numberFormat == **rhs.numberFormat);
+}
+
+MeasureFormat *MeasureFormat::clone() const {
+ return new MeasureFormat(*this);
+}
+
+UnicodeString &MeasureFormat::format(
+ const Formattable &obj,
+ UnicodeString &appendTo,
+ FieldPosition &pos,
+ UErrorCode &status) const {
+ if (U_FAILURE(status)) return appendTo;
+ if (obj.getType() == Formattable::kObject) {
+ const UObject* formatObj = obj.getObject();
+ const Measure* amount = dynamic_cast<const Measure*>(formatObj);
+ if (amount != nullptr) {
+ return formatMeasure(
+ *amount, **numberFormat, appendTo, pos, status);
+ }
+ }
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return appendTo;
+}
+
+void MeasureFormat::parseObject(
+ const UnicodeString & /*source*/,
+ Formattable & /*result*/,
+ ParsePosition& /*pos*/) const {
+ return;
+}
+
+UnicodeString &MeasureFormat::formatMeasurePerUnit(
+ const Measure &measure,
+ const MeasureUnit &perUnit,
+ UnicodeString &appendTo,
+ FieldPosition &pos,
+ UErrorCode &status) const {
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ auto* df = dynamic_cast<const DecimalFormat*>(&getNumberFormatInternal());
+ if (df == nullptr) {
+ // Don't know how to handle other types of NumberFormat
+ status = U_UNSUPPORTED_ERROR;
+ return appendTo;
+ }
+ UFormattedNumberData result;
+ if (auto* lnf = df->toNumberFormatter(status)) {
+ result.quantity.setToDouble(measure.getNumber().getDouble(status));
+ lnf->unit(measure.getUnit())
+ .perUnit(perUnit)
+ .unitWidth(getUnitWidth(fWidth))
+ .formatImpl(&result, status);
+ }
+ DecimalFormat::fieldPositionHelper(result, pos, appendTo.length(), status);
+ appendTo.append(result.toTempString(status));
+ return appendTo;
+}
+
+UnicodeString &MeasureFormat::formatMeasures(
+ const Measure *measures,
+ int32_t measureCount,
+ UnicodeString &appendTo,
+ FieldPosition &pos,
+ UErrorCode &status) const {
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ if (measureCount == 0) {
+ return appendTo;
+ }
+ if (measureCount == 1) {
+ return formatMeasure(measures[0], **numberFormat, appendTo, pos, status);
+ }
+ if (fWidth == UMEASFMT_WIDTH_NUMERIC) {
+ Formattable hms[3];
+ int32_t bitMap = toHMS(measures, measureCount, hms, status);
+ if (bitMap > 0) {
+ return formatNumeric(hms, bitMap, appendTo, status);
+ }
+ }
+ if (pos.getField() != FieldPosition::DONT_CARE) {
+ return formatMeasuresSlowTrack(
+ measures, measureCount, appendTo, pos, status);
+ }
+ UnicodeString *results = new UnicodeString[measureCount];
+ if (results == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return appendTo;
+ }
+ for (int32_t i = 0; i < measureCount; ++i) {
+ const NumberFormat *nf = cache->getIntegerFormat();
+ if (i == measureCount - 1) {
+ nf = numberFormat->get();
+ }
+ formatMeasure(
+ measures[i],
+ *nf,
+ results[i],
+ pos,
+ status);
+ }
+ listFormatter->format(results, measureCount, appendTo, status);
+ delete [] results;
+ return appendTo;
+}
+
+UnicodeString MeasureFormat::getUnitDisplayName(const MeasureUnit& unit, UErrorCode& status) const {
+ return number::impl::LongNameHandler::getUnitDisplayName(
+ getLocale(status),
+ unit,
+ getUnitWidth(fWidth),
+ status);
+}
+
+void MeasureFormat::initMeasureFormat(
+ const Locale &locale,
+ UMeasureFormatWidth w,
+ NumberFormat *nfToAdopt,
+ UErrorCode &status) {
+ static const UListFormatterWidth listWidths[] = {
+ ULISTFMT_WIDTH_WIDE,
+ ULISTFMT_WIDTH_SHORT,
+ ULISTFMT_WIDTH_NARROW};
+ LocalPointer<NumberFormat> nf(nfToAdopt);
+ if (U_FAILURE(status)) {
+ return;
+ }
+ const char *name = locale.getName();
+ setLocaleIDs(name, name);
+
+ UnifiedCache::getByLocale(locale, cache, status);
+ if (U_FAILURE(status)) {
+ return;
+ }
+
+ const SharedPluralRules *pr = PluralRules::createSharedInstance(
+ locale, UPLURAL_TYPE_CARDINAL, status);
+ if (U_FAILURE(status)) {
+ return;
+ }
+ SharedObject::copyPtr(pr, pluralRules);
+ pr->removeRef();
+ if (nf.isNull()) {
+ // TODO: Clean this up
+ const SharedNumberFormat *shared = NumberFormat::createSharedInstance(
+ locale, UNUM_DECIMAL, status);
+ if (U_FAILURE(status)) {
+ return;
+ }
+ SharedObject::copyPtr(shared, numberFormat);
+ shared->removeRef();
+ } else {
+ adoptNumberFormat(nf.orphan(), status);
+ if (U_FAILURE(status)) {
+ return;
+ }
+ }
+ fWidth = w;
+ delete listFormatter;
+ listFormatter = ListFormatter::createInstance(
+ locale,
+ ULISTFMT_TYPE_UNITS,
+ listWidths[getRegularWidth(fWidth)],
+ status);
+}
+
+void MeasureFormat::adoptNumberFormat(
+ NumberFormat *nfToAdopt, UErrorCode &status) {
+ LocalPointer<NumberFormat> nf(nfToAdopt);
+ if (U_FAILURE(status)) {
+ return;
+ }
+ SharedNumberFormat *shared = new SharedNumberFormat(nf.getAlias());
+ if (shared == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+ nf.orphan();
+ SharedObject::copyPtr(shared, numberFormat);
+}
+
+UBool MeasureFormat::setMeasureFormatLocale(const Locale &locale, UErrorCode &status) {
+ if (U_FAILURE(status) || locale == getLocale(status)) {
+ return false;
+ }
+ initMeasureFormat(locale, fWidth, nullptr, status);
+ return U_SUCCESS(status);
+}
+
+const NumberFormat &MeasureFormat::getNumberFormatInternal() const {
+ return **numberFormat;
+}
+
+const NumberFormat &MeasureFormat::getCurrencyFormatInternal() const {
+ return *cache->getCurrencyFormat(UMEASFMT_WIDTH_NARROW);
+}
+
+const PluralRules &MeasureFormat::getPluralRules() const {
+ return **pluralRules;
+}
+
+Locale MeasureFormat::getLocale(UErrorCode &status) const {
+ return Format::getLocale(ULOC_VALID_LOCALE, status);
+}
+
+const char *MeasureFormat::getLocaleID(UErrorCode &status) const {
+ return Format::getLocaleID(ULOC_VALID_LOCALE, status);
+}
+
+UnicodeString &MeasureFormat::formatMeasure(
+ const Measure &measure,
+ const NumberFormat &nf,
+ UnicodeString &appendTo,
+ FieldPosition &pos,
+ UErrorCode &status) const {
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ const Formattable& amtNumber = measure.getNumber();
+ const MeasureUnit& amtUnit = measure.getUnit();
+ if (isCurrency(amtUnit)) {
+ char16_t isoCode[4];
+ u_charsToUChars(amtUnit.getSubtype(), isoCode, 4);
+ return cache->getCurrencyFormat(fWidth)->format(
+ new CurrencyAmount(amtNumber, isoCode, status),
+ appendTo,
+ pos,
+ status);
+ }
+ auto* df = dynamic_cast<const DecimalFormat*>(&nf);
+ if (df == nullptr) {
+ // Handle other types of NumberFormat using the ICU 63 code, modified to
+ // get the unitPattern from LongNameHandler and handle fallback to OTHER.
+ UnicodeString formattedNumber;
+ StandardPlural::Form pluralForm = QuantityFormatter::selectPlural(
+ amtNumber, nf, **pluralRules, formattedNumber, pos, status);
+ UnicodeString pattern = number::impl::LongNameHandler::getUnitPattern(getLocale(status),
+ amtUnit, getUnitWidth(fWidth), pluralForm, status);
+ // The above handles fallback from other widths to short, and from other plural forms to OTHER
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ SimpleFormatter formatter(pattern, 0, 1, status);
+ return QuantityFormatter::format(formatter, formattedNumber, appendTo, pos, status);
+ }
+ UFormattedNumberData result;
+ if (auto* lnf = df->toNumberFormatter(status)) {
+ result.quantity.setToDouble(amtNumber.getDouble(status));
+ lnf->unit(amtUnit)
+ .unitWidth(getUnitWidth(fWidth))
+ .formatImpl(&result, status);
+ }
+ DecimalFormat::fieldPositionHelper(result, pos, appendTo.length(), status);
+ appendTo.append(result.toTempString(status));
+ return appendTo;
+}
+
+
+// Formats numeric time duration as 5:00:47 or 3:54.
+UnicodeString &MeasureFormat::formatNumeric(
+ const Formattable *hms, // always length 3
+ int32_t bitMap, // 1=hour set, 2=minute set, 4=second set
+ UnicodeString &appendTo,
+ UErrorCode &status) const {
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+
+ UnicodeString pattern;
+
+ double hours = hms[0].getDouble(status);
+ double minutes = hms[1].getDouble(status);
+ double seconds = hms[2].getDouble(status);
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+
+ // All possible combinations: "h", "m", "s", "hm", "hs", "ms", "hms"
+ if (bitMap == 5 || bitMap == 7) { // "hms" & "hs" (we add minutes if "hs")
+ pattern = cache->getNumericDateFormatters()->hourMinuteSecond;
+ hours = uprv_trunc(hours);
+ minutes = uprv_trunc(minutes);
+ } else if (bitMap == 3) { // "hm"
+ pattern = cache->getNumericDateFormatters()->hourMinute;
+ hours = uprv_trunc(hours);
+ } else if (bitMap == 6) { // "ms"
+ pattern = cache->getNumericDateFormatters()->minuteSecond;
+ minutes = uprv_trunc(minutes);
+ } else { // h m s, handled outside formatNumeric. No value is also an error.
+ status = U_INTERNAL_PROGRAM_ERROR;
+ return appendTo;
+ }
+
+ const DecimalFormat *numberFormatter = dynamic_cast<const DecimalFormat*>(numberFormat->get());
+ if (!numberFormatter) {
+ status = U_INTERNAL_PROGRAM_ERROR;
+ return appendTo;
+ }
+ number::LocalizedNumberFormatter numberFormatter2;
+ if (auto* lnf = numberFormatter->toNumberFormatter(status)) {
+ numberFormatter2 = lnf->integerWidth(number::IntegerWidth::zeroFillTo(2));
+ } else {
+ return appendTo;
+ }
+
+ FormattedStringBuilder fsb;
+
+ UBool protect = false;
+ const int32_t patternLength = pattern.length();
+ for (int32_t i = 0; i < patternLength; i++) {
+ char16_t c = pattern[i];
+
+ // Also set the proper field in this switch
+ // We don't use DateFormat.Field because this is not a date / time, is a duration.
+ double value = 0;
+ switch (c) {
+ case u'H': value = hours; break;
+ case u'm': value = minutes; break;
+ case u's': value = seconds; break;
+ }
+
+ // There is not enough info to add Field(s) for the unit because all we have are plain
+ // text patterns. For example in "21:51" there is no text for something like "hour",
+ // while in something like "21h51" there is ("h"). But we can't really tell...
+ switch (c) {
+ case u'H':
+ case u'm':
+ case u's':
+ if (protect) {
+ fsb.appendChar16(c, kUndefinedField, status);
+ } else {
+ UnicodeString tmp;
+ if ((i + 1 < patternLength) && pattern[i + 1] == c) { // doubled
+ tmp = numberFormatter2.formatDouble(value, status).toString(status);
+ i++;
+ } else {
+ numberFormatter->format(value, tmp, status);
+ }
+ // TODO: Use proper Field
+ fsb.append(tmp, kUndefinedField, status);
+ }
+ break;
+ case u'\'':
+ // '' is escaped apostrophe
+ if ((i + 1 < patternLength) && pattern[i + 1] == c) {
+ fsb.appendChar16(c, kUndefinedField, status);
+ i++;
+ } else {
+ protect = !protect;
+ }
+ break;
+ default:
+ fsb.appendChar16(c, kUndefinedField, status);
+ }
+ }
+
+ appendTo.append(fsb.toTempUnicodeString());
+
+ return appendTo;
+}
+
+UnicodeString &MeasureFormat::formatMeasuresSlowTrack(
+ const Measure *measures,
+ int32_t measureCount,
+ UnicodeString& appendTo,
+ FieldPosition& pos,
+ UErrorCode& status) const {
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ FieldPosition dontCare(FieldPosition::DONT_CARE);
+ FieldPosition fpos(pos.getField());
+ LocalArray<UnicodeString> results(new UnicodeString[measureCount], status);
+ int32_t fieldPositionFoundIndex = -1;
+ for (int32_t i = 0; i < measureCount; ++i) {
+ const NumberFormat *nf = cache->getIntegerFormat();
+ if (i == measureCount - 1) {
+ nf = numberFormat->get();
+ }
+ if (fieldPositionFoundIndex == -1) {
+ formatMeasure(measures[i], *nf, results[i], fpos, status);
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ if (fpos.getBeginIndex() != 0 || fpos.getEndIndex() != 0) {
+ fieldPositionFoundIndex = i;
+ }
+ } else {
+ formatMeasure(measures[i], *nf, results[i], dontCare, status);
+ }
+ }
+ int32_t offset;
+ listFormatter->format(
+ results.getAlias(),
+ measureCount,
+ appendTo,
+ fieldPositionFoundIndex,
+ offset,
+ status);
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ // Fix up FieldPosition indexes if our field is found.
+ if (fieldPositionFoundIndex != -1 && offset != -1) {
+ pos.setBeginIndex(fpos.getBeginIndex() + offset);
+ pos.setEndIndex(fpos.getEndIndex() + offset);
+ }
+ return appendTo;
+}
+
+MeasureFormat* U_EXPORT2 MeasureFormat::createCurrencyFormat(const Locale& locale,
+ UErrorCode& ec) {
+ if (U_FAILURE(ec)) {
+ return nullptr;
+ }
+ LocalPointer<CurrencyFormat> fmt(new CurrencyFormat(locale, ec), ec);
+ return fmt.orphan();
+}
+
+MeasureFormat* U_EXPORT2 MeasureFormat::createCurrencyFormat(UErrorCode& ec) {
+ if (U_FAILURE(ec)) {
+ return nullptr;
+ }
+ return MeasureFormat::createCurrencyFormat(Locale::getDefault(), ec);
+}
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_FORMATTING */