Update ICU to 54.1 step 1

source/i18n/measfmt.cpp

 /*
 **********************************************************************
-* Copyright (c) 2004-2011, International Business Machines
+* Copyright (c) 2004-2014, 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 "simplepatternformatter.h"
+#include "quantityformatter.h"
+#include "unicode/plurrule.h"
+#include "unicode/decimfmt.h"
+#include "uresimp.h"
+#include "unicode/ures.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 "sharednumberformat.h"
+#include "sharedpluralrules.h"
+#include "unifiedcache.h"
+
+#define MEAS_UNIT_COUNT 121
+#define WIDTH_INDEX_COUNT (UMEASFMT_WIDTH_NARROW + 1)
 
 U_NAMESPACE_BEGIN
 
-MeasureFormat::MeasureFormat() {}
-
-MeasureFormat::~MeasureFormat() {}
+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
+    SimpleDateFormat hourMinute;
+
+    // formats like M:ss
+    SimpleDateFormat minuteSecond;
+
+    // formats like H:mm:ss
+    SimpleDateFormat 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,
+            UErrorCode &status) : 
+            hourMinute(hm, status),
+            minuteSecond(ms, status), 
+            hourMinuteSecond(hms, status) {
+        const TimeZone *gmt = TimeZone::getGMT();
+        hourMinute.setTimeZone(*gmt);
+        minuteSecond.setTimeZone(*gmt);
+        hourMinuteSecond.setTimeZone(*gmt);
+    }
+private:
+    NumericDateFormatters(const NumericDateFormatters &other);
+    NumericDateFormatters &operator=(const NumericDateFormatters &other);
+};
+
+// Instances contain all MeasureFormat specific data for a particular locale.
+// This data is cached. It is never copied, but is shared via shared pointers.
+class MeasureFormatCacheData : public SharedObject {
+public:
+    QuantityFormatter formatters[MEAS_UNIT_COUNT][WIDTH_INDEX_COUNT];
+    SimplePatternFormatter perFormatters[WIDTH_INDEX_COUNT];
+
+    MeasureFormatCacheData();
+    void adoptCurrencyFormat(int32_t widthIndex, NumberFormat *nfToAdopt) {
+        delete currencyFormats[widthIndex];
+        currencyFormats[widthIndex] = nfToAdopt;
+    }
+    const NumberFormat *getCurrencyFormat(int32_t widthIndex) const {
+        return currencyFormats[widthIndex];
+    }
+    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;
+    }
+    void adoptPerUnitFormatter(
+            int32_t index,
+            int32_t widthIndex,
+            SimplePatternFormatter *formatterToAdopt) {
+        delete perUnitFormatters[index][widthIndex];
+        perUnitFormatters[index][widthIndex] = formatterToAdopt;
+    }
+    const SimplePatternFormatter * const * getPerUnitFormattersByIndex(
+            int32_t index) const {
+        return perUnitFormatters[index];
+    }
+    virtual ~MeasureFormatCacheData();
+private:
+    NumberFormat *currencyFormats[WIDTH_INDEX_COUNT];
+    NumberFormat *integerFormat;
+    NumericDateFormatters *numericDateFormatters;
+    SimplePatternFormatter *perUnitFormatters[MEAS_UNIT_COUNT][WIDTH_INDEX_COUNT];
+    MeasureFormatCacheData(const MeasureFormatCacheData &other);
+    MeasureFormatCacheData &operator=(const MeasureFormatCacheData &other);
+};
+
+MeasureFormatCacheData::MeasureFormatCacheData() {
+    for (int32_t i = 0; i < UPRV_LENGTHOF(currencyFormats); ++i) {
+        currencyFormats[i] = NULL;
+    }
+    for (int32_t i = 0; i < MEAS_UNIT_COUNT; ++i) {
+        for (int32_t j = 0; j < WIDTH_INDEX_COUNT; ++j) {
+            perUnitFormatters[i][j] = NULL;
+        }
+    }
+    integerFormat = NULL;
+    numericDateFormatters = NULL;
+}
+
+MeasureFormatCacheData::~MeasureFormatCacheData() {
+    for (int32_t i = 0; i < UPRV_LENGTHOF(currencyFormats); ++i) {
+        delete currencyFormats[i];
+    }
+    for (int32_t i = 0; i < MEAS_UNIT_COUNT; ++i) {
+        for (int32_t j = 0; j < WIDTH_INDEX_COUNT; ++j) {
+            delete perUnitFormatters[i][j];
+        }
+    }
+    delete integerFormat;
+    delete numericDateFormatters;
+}
+
+static int32_t widthToIndex(UMeasureFormatWidth width) {
+    if (width >= WIDTH_INDEX_COUNT) {
+        return WIDTH_INDEX_COUNT - 1;
+    }
+    return width;
+}
+
+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 UChar *resStr = ures_getString(resource, &len, &status);
+    if (U_FAILURE(status)) {
+        return FALSE;
+    }
+    result.setTo(TRUE, resStr, len);
+    return TRUE;
+}
+
+
+static UBool loadMeasureUnitData(
+        const UResourceBundle *resource,
+        MeasureFormatCacheData &cacheData,
+        UErrorCode &status) {
+    if (U_FAILURE(status)) {
+        return FALSE;
+    }
+    static const char *widthPath[] = {"units", "unitsShort", "unitsNarrow"};
+    MeasureUnit *units = NULL;
+    int32_t unitCount = MeasureUnit::getAvailable(units, 0, status);
+    while (status == U_BUFFER_OVERFLOW_ERROR) {
+        status = U_ZERO_ERROR;
+        delete [] units;
+        units = new MeasureUnit[unitCount];
+        if (units == NULL) {
+            status = U_MEMORY_ALLOCATION_ERROR;
+            return FALSE;
+        }
+        unitCount = MeasureUnit::getAvailable(units, unitCount, status);
+    }
+    for (int32_t currentWidth = 0; currentWidth < WIDTH_INDEX_COUNT; ++currentWidth) {
+        // Be sure status is clear since next resource bundle lookup may fail.
+        if (U_FAILURE(status)) {
+            delete [] units;
+            return FALSE;
+        }
+        LocalUResourceBundlePointer widthBundle(
+                ures_getByKeyWithFallback(
+                        resource, widthPath[currentWidth], NULL, &status));
+        // We may not have data for all widths in all locales.
+        if (status == U_MISSING_RESOURCE_ERROR) {
+            status = U_ZERO_ERROR;
+            continue;
+        }
+        {
+            // compound per
+            LocalUResourceBundlePointer compoundPerBundle(
+                    ures_getByKeyWithFallback(
+                            widthBundle.getAlias(),
+                            "compound/per",
+                            NULL,
+                            &status));
+            if (U_FAILURE(status)) {
+                status = U_ZERO_ERROR;
+            } else {
+                UnicodeString perPattern;
+                getString(compoundPerBundle.getAlias(), perPattern, status);
+                cacheData.perFormatters[currentWidth].compile(perPattern, status);
+            }
+        }
+        for (int32_t currentUnit = 0; currentUnit < unitCount; ++currentUnit) {
+            // Be sure status is clear next lookup may fail.
+            if (U_FAILURE(status)) {
+                delete [] units;
+                return FALSE;
+            }
+            if (isCurrency(units[currentUnit])) {
+                continue;
+            }
+            CharString pathBuffer;
+            pathBuffer.append(units[currentUnit].getType(), status)
+                    .append("/", status)
+                    .append(units[currentUnit].getSubtype(), status);
+            LocalUResourceBundlePointer unitBundle(
+                    ures_getByKeyWithFallback(
+                            widthBundle.getAlias(),
+                            pathBuffer.data(),
+                            NULL,
+                            &status));
+            // We may not have data for all units in all widths
+            if (status == U_MISSING_RESOURCE_ERROR) {
+                status = U_ZERO_ERROR;
+                continue;
+            }
+            // We must have the unit bundle to proceed
+            if (U_FAILURE(status)) {
+                delete [] units;
+                return FALSE;
+            }
+            int32_t size = ures_getSize(unitBundle.getAlias());
+            for (int32_t plIndex = 0; plIndex < size; ++plIndex) {
+                LocalUResourceBundlePointer pluralBundle(
+                        ures_getByIndex(
+                                unitBundle.getAlias(), plIndex, NULL, &status));
+                if (U_FAILURE(status)) {
+                    delete [] units;
+                    return FALSE;
+                }
+                const char * resKey = ures_getKey(pluralBundle.getAlias());
+                if (uprv_strcmp(resKey, "dnam") == 0) {
+                    continue; // skip display name & per pattern (new in CLDR 26 / ICU 54) for now, not part of plurals
+                }
+                if (uprv_strcmp(resKey, "per") == 0) {
+                    UnicodeString perPattern;
+                    getString(pluralBundle.getAlias(), perPattern, status);
+                    cacheData.adoptPerUnitFormatter(
+                            units[currentUnit].getIndex(),
+                            currentWidth, 
+                            new SimplePatternFormatter(perPattern));
+                    continue;
+                }
+                UnicodeString rawPattern;
+                getString(pluralBundle.getAlias(), rawPattern, status);
+                cacheData.formatters[units[currentUnit].getIndex()][currentWidth].add(
+                        resKey,
+                        rawPattern,
+                        status);
+            }
+        }
+    }
+    delete [] units;
+    return U_SUCCESS(status);
+}
+
+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(),
+                NULL,
+                &status));
+    if (U_FAILURE(status)) {
+        return result;
+    }
+    getString(patternBundle.getAlias(), result, status);
+    // Replace 'h' with 'H'
+    int32_t len = result.length();
+    UChar *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 NULL;
+    }
+    NumericDateFormatters *result = new NumericDateFormatters(
+        loadNumericDateFormatterPattern(resource, "hm", status),
+        loadNumericDateFormatterPattern(resource, "ms", status),
+        loadNumericDateFormatterPattern(resource, "hms", status),
+        status);
+    if (U_FAILURE(status)) {
+        delete result;
+        return NULL;
+    }
+    return result;
+}
+
+template<> U_I18N_API
+const MeasureFormatCacheData *LocaleCacheKey<MeasureFormatCacheData>::createObject(
+        const void * /*unused*/, UErrorCode &status) const {
+    const char *localeId = fLoc.getName();
+    LocalUResourceBundlePointer topLevel(ures_open(NULL, localeId, &status));
+    LocalUResourceBundlePointer unitsBundle(ures_open(U_ICUDATA_UNIT, localeId, &status));
+    static UNumberFormatStyle currencyStyles[] = {
+            UNUM_CURRENCY_PLURAL, UNUM_CURRENCY_ISO, UNUM_CURRENCY};
+    if (U_FAILURE(status)) {
+        return NULL;
+    }
+    LocalPointer<MeasureFormatCacheData> result(new MeasureFormatCacheData());
+    if (result.isNull()) {
+        status = U_MEMORY_ALLOCATION_ERROR;
+        return NULL;
+    }
+    if (!loadMeasureUnitData(
+            unitsBundle.getAlias(),
+            *result,
+            status)) {
+        return NULL;
+    }
+    result->adoptNumericDateFormatters(loadNumericDateFormatters(
+            topLevel.getAlias(), status));
+    if (U_FAILURE(status)) {
+        return NULL;
+    }
+
+    for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
+        result->adoptCurrencyFormat(i, NumberFormat::createInstance(
+                localeId, currencyStyles[i], status));
+        if (U_FAILURE(status)) {
+            return NULL;
+        }
+    }
+    NumberFormat *inf = NumberFormat::createInstance(
+            localeId, UNUM_DECIMAL, status);
+    if (U_FAILURE(status)) {
+        return NULL;
+    }
+    inf->setMaximumFractionDigits(0);
+    DecimalFormat *decfmt = dynamic_cast<DecimalFormat *>(inf);
+    if (decfmt != NULL) {
+        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(NULL),
+          numberFormat(NULL),
+          pluralRules(NULL),
+          width(w),
+          listFormatter(NULL) {
+    initMeasureFormat(locale, w, NULL, status);
+}
+
+MeasureFormat::MeasureFormat(
+        const Locale &locale,
+        UMeasureFormatWidth w,
+        NumberFormat *nfToAdopt,
+        UErrorCode &status) 
+        : cache(NULL),
+          numberFormat(NULL),
+          pluralRules(NULL),
+          width(w),
+          listFormatter(NULL) {
+    initMeasureFormat(locale, w, nfToAdopt, status);
+}
+
+MeasureFormat::MeasureFormat(const MeasureFormat &other) :
+        Format(other),
+        cache(other.cache),
+        numberFormat(other.numberFormat),
+        pluralRules(other.pluralRules),
+        width(other.width),
+        listFormatter(NULL) {
+    cache->addRef();
+    numberFormat->addRef();
+    pluralRules->addRef();
+    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);
+    width = other.width;
+    delete listFormatter;
+    listFormatter = new ListFormatter(*other.listFormatter);
+    return *this;
+}
+
+MeasureFormat::MeasureFormat() :
+        cache(NULL),
+        numberFormat(NULL),
+        pluralRules(NULL),
+        width(UMEASFMT_WIDTH_WIDE),
+        listFormatter(NULL) {
+}
+
+MeasureFormat::~MeasureFormat() {
+    if (cache != NULL) {
+        cache->removeRef();
+    }
+    if (numberFormat != NULL) {
+        numberFormat->removeRef();
+    }
+    if (pluralRules != NULL) {
+        pluralRules->removeRef();
+    }
+    delete listFormatter;
+}
+
+UBool 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 (width != rhs.width) {
+        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);
+}
+
+Format *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 != NULL) {
+            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::formatMeasuresPer(
+        const Measure *measures,
+        int32_t measureCount,
+        const MeasureUnit &perUnit,
+        UnicodeString &appendTo,
+        FieldPosition &pos,
+        UErrorCode &status) const {
+    FieldPosition fpos(pos.getField());
+    UnicodeString measuresString;
+    int32_t offset = withPerUnit(
+            formatMeasures(
+                    measures, measureCount, measuresString, fpos, status),
+            perUnit,
+            appendTo,
+            status);
+    if (U_FAILURE(status)) {
+        return appendTo;
+    }
+    if (fpos.getBeginIndex() != 0 || fpos.getEndIndex() != 0) {
+        pos.setBeginIndex(fpos.getBeginIndex() + offset);
+        pos.setEndIndex(fpos.getEndIndex() + offset);
+    }
+    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 (width == 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 == NULL) {
+        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;
+}
+
+void MeasureFormat::initMeasureFormat(
+        const Locale &locale,
+        UMeasureFormatWidth w,
+        NumberFormat *nfToAdopt,
+        UErrorCode &status) {
+    static const char *listStyles[] = {"unit", "unit-short", "unit-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()) {
+        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;
+        }
+    }
+    width = w;
+    delete listFormatter;
+    listFormatter = ListFormatter::createInstance(
+            locale,
+            listStyles[widthToIndex(width)],
+            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 == NULL) {
+        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, width, NULL, status);
+    return U_SUCCESS(status);
+} 
+
+const NumberFormat &MeasureFormat::getNumberFormat() const {
+    return **numberFormat;
+}
+
+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)) {
+        UChar isoCode[4];
+        u_charsToUChars(amtUnit.getSubtype(), isoCode, 4);
+        return cache->getCurrencyFormat(widthToIndex(width))->format(
+                new CurrencyAmount(amtNumber, isoCode, status),
+                appendTo,
+                pos,
+                status);
+    }
+    const QuantityFormatter *quantityFormatter = getQuantityFormatter(
+            amtUnit.getIndex(), widthToIndex(width), status);
+    if (U_FAILURE(status)) {
+        return appendTo;
+    }
+    return quantityFormatter->format(
+            amtNumber,
+            nf,
+            **pluralRules,
+            appendTo,
+            pos,
+            status);
+}
+
+// Formats hours-minutes-seconds as 5:37:23 or similar.
+UnicodeString &MeasureFormat::formatNumeric(
+        const Formattable *hms,  // always length 3
+        int32_t bitMap,   // 1=hourset, 2=minuteset, 4=secondset
+        UnicodeString &appendTo,
+        UErrorCode &status) const {
+    if (U_FAILURE(status)) {
+        return appendTo;
+    }
+    UDate millis = 
+        (UDate) (((uprv_trunc(hms[0].getDouble(status)) * 60.0
+             + uprv_trunc(hms[1].getDouble(status))) * 60.0
+                  + uprv_trunc(hms[2].getDouble(status))) * 1000.0);
+    switch (bitMap) {
+    case 5: // hs
+    case 7: // hms
+        return formatNumeric(
+                millis,
+                cache->getNumericDateFormatters()->hourMinuteSecond,
+                UDAT_SECOND_FIELD,
+                hms[2],
+                appendTo,
+                status);
+        break;
+    case 6: // ms
+        return formatNumeric(
+                millis,
+                cache->getNumericDateFormatters()->minuteSecond,
+                UDAT_SECOND_FIELD,
+                hms[2],
+                appendTo,
+                status);
+        break;
+    case 3: // hm
+        return formatNumeric(
+                millis,
+                cache->getNumericDateFormatters()->hourMinute,
+                UDAT_MINUTE_FIELD,
+                hms[1],
+                appendTo,
+                status);
+        break;
+    default:
+        status = U_INTERNAL_PROGRAM_ERROR;
+        return appendTo;
+        break;
+    }
+    return appendTo;
+}
+
+static void appendRange(
+        const UnicodeString &src,
+        int32_t start,
+        int32_t end,
+        UnicodeString &dest) {
+    dest.append(src, start, end - start);
+}
+
+static void appendRange(
+        const UnicodeString &src,
+        int32_t end,
+        UnicodeString &dest) {
+    dest.append(src, end, src.length() - end);
+}
+
+// Formats time like 5:37:23
+UnicodeString &MeasureFormat::formatNumeric(
+        UDate date, // Time since epoch 1:30:00 would be 5400000
+        const DateFormat &dateFmt, // h:mm, m:ss, or h:mm:ss
+        UDateFormatField smallestField, // seconds in 5:37:23.5
+        const Formattable &smallestAmount, // 23.5 for 5:37:23.5
+        UnicodeString &appendTo,
+        UErrorCode &status) const {
+    if (U_FAILURE(status)) {
+        return appendTo;
+    }
+    // Format the smallest amount with this object's NumberFormat
+    UnicodeString smallestAmountFormatted;
+
+    // We keep track of the integer part of smallest amount so that
+    // we can replace it later so that we get '0:00:09.3' instead of
+    // '0:00:9.3'
+    FieldPosition intFieldPosition(UNUM_INTEGER_FIELD);
+    (*numberFormat)->format(
+            smallestAmount, smallestAmountFormatted, intFieldPosition, status);
+    if (
+            intFieldPosition.getBeginIndex() == 0 &&
+            intFieldPosition.getEndIndex() == 0) {
+        status = U_INTERNAL_PROGRAM_ERROR;
+        return appendTo;
+    }
+
+    // Format time. draft becomes something like '5:30:45'
+    FieldPosition smallestFieldPosition(smallestField);
+    UnicodeString draft;
+    dateFmt.format(date, draft, smallestFieldPosition, status);
+
+    // If we find field for smallest amount replace it with the formatted
+    // smallest amount from above taking care to replace the integer part
+    // with what is in original time. For example, If smallest amount
+    // is 9.35s and the formatted time is 0:00:09 then 9.35 becomes 09.35
+    // and replacing yields 0:00:09.35
+    if (smallestFieldPosition.getBeginIndex() != 0 ||
+            smallestFieldPosition.getEndIndex() != 0) {
+        appendRange(draft, 0, smallestFieldPosition.getBeginIndex(), appendTo);
+        appendRange(
+                smallestAmountFormatted,
+                0,
+                intFieldPosition.getBeginIndex(),
+                appendTo);
+        appendRange(
+                draft,
+                smallestFieldPosition.getBeginIndex(),
+                smallestFieldPosition.getEndIndex(),
+                appendTo);
+        appendRange(
+                smallestAmountFormatted,
+                intFieldPosition.getEndIndex(),
+                appendTo);
+        appendRange(
+                draft,
+                smallestFieldPosition.getEndIndex(),
+                appendTo);
+    } else {
+        appendTo.append(draft);
+    }
+    return appendTo;
+}
+
+const QuantityFormatter *MeasureFormat::getQuantityFormatter(
+        int32_t index,
+        int32_t widthIndex,
+        UErrorCode &status) const {
+    if (U_FAILURE(status)) {
+        return NULL;
+    }
+    const QuantityFormatter *formatters =
+            cache->formatters[index];
+    if (formatters[widthIndex].isValid()) {
+        return &formatters[widthIndex];
+    }
+    if (formatters[UMEASFMT_WIDTH_SHORT].isValid()) {
+        return &formatters[UMEASFMT_WIDTH_SHORT];
+    }
+    if (formatters[UMEASFMT_WIDTH_WIDE].isValid()) {
+        return &formatters[UMEASFMT_WIDTH_WIDE];
+    }
+    status = U_MISSING_RESOURCE_ERROR;
+    return NULL;
+}
+
+const SimplePatternFormatter *MeasureFormat::getPerUnitFormatter(
+        int32_t index,
+        int32_t widthIndex) const {
+    const SimplePatternFormatter * const * perUnitFormatters =
+            cache->getPerUnitFormattersByIndex(index);
+    if (perUnitFormatters[widthIndex] != NULL) {
+        return perUnitFormatters[widthIndex];
+    }
+    if (perUnitFormatters[UMEASFMT_WIDTH_SHORT] != NULL) {
+        return perUnitFormatters[UMEASFMT_WIDTH_SHORT];
+    }
+    if (perUnitFormatters[UMEASFMT_WIDTH_WIDE] != NULL) {
+        return perUnitFormatters[UMEASFMT_WIDTH_WIDE];
+    }
+    return NULL;
+}
+
+const SimplePatternFormatter *MeasureFormat::getPerFormatter(
+        int32_t widthIndex,
+        UErrorCode &status) const {
+    if (U_FAILURE(status)) {
+        return NULL;
+    }
+    const SimplePatternFormatter * perFormatters = cache->perFormatters;
+    
+    if (perFormatters[widthIndex].getPlaceholderCount() == 2) {
+        return &perFormatters[widthIndex];
+    }
+    if (perFormatters[UMEASFMT_WIDTH_SHORT].getPlaceholderCount() == 2) {
+        return &perFormatters[UMEASFMT_WIDTH_SHORT];
+    }
+    if (perFormatters[UMEASFMT_WIDTH_WIDE].getPlaceholderCount() == 2) {
+        return &perFormatters[UMEASFMT_WIDTH_WIDE];
+    }
+    status = U_MISSING_RESOURCE_ERROR;
+    return NULL;
+}
+
+static void getPerUnitString(
+        const QuantityFormatter &formatter,
+        UnicodeString &result) {
+    result = formatter.getByVariant("one")->getPatternWithNoPlaceholders();
+    result.trim();
+}
+
+int32_t MeasureFormat::withPerUnit(
+        const UnicodeString &formatted,
+        const MeasureUnit &perUnit,
+        UnicodeString &appendTo,
+        UErrorCode &status) const {
+    int32_t offset = -1;
+    if (U_FAILURE(status)) {
+        return offset;
+    }
+    const SimplePatternFormatter *perUnitFormatter = getPerUnitFormatter(
+            perUnit.getIndex(), widthToIndex(width));
+    if (perUnitFormatter != NULL) {
+        const UnicodeString *params[] = {&formatted};
+        perUnitFormatter->format(
+                params,
+                UPRV_LENGTHOF(params),
+                appendTo,
+                &offset,
+                1,
+                status);
+        return offset;
+    }
+    const SimplePatternFormatter *perFormatter = getPerFormatter(
+            widthToIndex(width), status);
+    const QuantityFormatter *qf = getQuantityFormatter(
+            perUnit.getIndex(), widthToIndex(width), status);
+    if (U_FAILURE(status)) {
+        return offset;
+    }
+    UnicodeString perUnitString;
+    getPerUnitString(*qf, perUnitString);
+    const UnicodeString *params[] = {&formatted, &perUnitString};
+    perFormatter->format(
+            params,
+            UPRV_LENGTHOF(params),
+            appendTo,
+            &offset,
+            1,
+            status);
+    return offset;
+}
+
+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());
+    UnicodeString *results = new UnicodeString[measureCount];
+    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)) {
+                delete [] results;
+                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,
+            measureCount,
+            appendTo,
+            fieldPositionFoundIndex,
+            offset,
+            status);
+    if (U_FAILURE(status)) {
+        delete [] results;
+        return appendTo;
+    }
+    if (offset != -1) {
+        pos.setBeginIndex(fpos.getBeginIndex() + offset);
+        pos.setEndIndex(fpos.getEndIndex() + offset);
+    }
+    delete [] results;
+    return appendTo;
+}
 
 MeasureFormat* U_EXPORT2 MeasureFormat::createCurrencyFormat(const Locale& locale,
                                                    UErrorCode& ec) {
     CurrencyFormat* fmt = NULL;
     if (U_SUCCESS(ec)) {
         fmt = new CurrencyFormat(locale, ec);
         if (U_FAILURE(ec)) {
             delete fmt;
             fmt = NULL;
         }
     }
     return fmt;
 }
 
 MeasureFormat* U_EXPORT2 MeasureFormat::createCurrencyFormat(UErrorCode& ec) {
     if (U_FAILURE(ec)) {
         return NULL;
     }
     return MeasureFormat::createCurrencyFormat(Locale::getDefault(), ec);
 }
 
 U_NAMESPACE_END
 
 #endif /* #if !UCONFIG_NO_FORMATTING */