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      1 // Copyright (C) 2016 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html
      3 /*
      4 **********************************************************************
      5 * Copyright (c) 2004-2016, International Business Machines
      6 * Corporation and others.  All Rights Reserved.
      7 **********************************************************************
      8 * Author: Alan Liu
      9 * Created: April 20, 2004
     10 * Since: ICU 3.0
     11 **********************************************************************
     12 */
     13 #include "utypeinfo.h"  // for 'typeid' to work
     14 #include "unicode/utypes.h"
     15 
     16 #if !UCONFIG_NO_FORMATTING
     17 
     18 #include "unicode/measfmt.h"
     19 #include "unicode/numfmt.h"
     20 #include "currfmt.h"
     21 #include "unicode/localpointer.h"
     22 #include "resource.h"
     23 #include "unicode/simpleformatter.h"
     24 #include "quantityformatter.h"
     25 #include "unicode/plurrule.h"
     26 #include "unicode/decimfmt.h"
     27 #include "uresimp.h"
     28 #include "unicode/ures.h"
     29 #include "ureslocs.h"
     30 #include "cstring.h"
     31 #include "mutex.h"
     32 #include "ucln_in.h"
     33 #include "unicode/listformatter.h"
     34 #include "charstr.h"
     35 #include "unicode/putil.h"
     36 #include "unicode/smpdtfmt.h"
     37 #include "uassert.h"
     38 
     39 #include "sharednumberformat.h"
     40 #include "sharedpluralrules.h"
     41 #include "standardplural.h"
     42 #include "unifiedcache.h"
     43 
     44 #define MEAS_UNIT_COUNT 138
     45 #define WIDTH_INDEX_COUNT (UMEASFMT_WIDTH_NARROW + 1)
     46 
     47 U_NAMESPACE_BEGIN
     48 
     49 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(MeasureFormat)
     50 
     51 // Used to format durations like 5:47 or 21:35:42.
     52 class NumericDateFormatters : public UMemory {
     53 public:
     54     // Formats like H:mm
     55     SimpleDateFormat hourMinute;
     56 
     57     // formats like M:ss
     58     SimpleDateFormat minuteSecond;
     59 
     60     // formats like H:mm:ss
     61     SimpleDateFormat hourMinuteSecond;
     62 
     63     // Constructor that takes the actual patterns for hour-minute,
     64     // minute-second, and hour-minute-second respectively.
     65     NumericDateFormatters(
     66             const UnicodeString &hm,
     67             const UnicodeString &ms,
     68             const UnicodeString &hms,
     69             UErrorCode &status) :
     70             hourMinute(hm, status),
     71             minuteSecond(ms, status),
     72             hourMinuteSecond(hms, status) {
     73         const TimeZone *gmt = TimeZone::getGMT();
     74         hourMinute.setTimeZone(*gmt);
     75         minuteSecond.setTimeZone(*gmt);
     76         hourMinuteSecond.setTimeZone(*gmt);
     77     }
     78 private:
     79     NumericDateFormatters(const NumericDateFormatters &other);
     80     NumericDateFormatters &operator=(const NumericDateFormatters &other);
     81 };
     82 
     83 static UMeasureFormatWidth getRegularWidth(UMeasureFormatWidth width) {
     84     if (width >= WIDTH_INDEX_COUNT) {
     85         return UMEASFMT_WIDTH_NARROW;
     86     }
     87     return width;
     88 }
     89 
     90 /**
     91  * Instances contain all MeasureFormat specific data for a particular locale.
     92  * This data is cached. It is never copied, but is shared via shared pointers.
     93  *
     94  * Note: We might change the cache data to have an array[WIDTH_INDEX_COUNT] of
     95  * complete sets of unit & per patterns,
     96  * to correspond to the resource data and its aliases.
     97  *
     98  * TODO: Maybe store more sparsely in general, with pointers rather than potentially-empty objects.
     99  */
    100 class MeasureFormatCacheData : public SharedObject {
    101 public:
    102     static const int32_t PER_UNIT_INDEX = StandardPlural::COUNT;
    103     static const int32_t PATTERN_COUNT = PER_UNIT_INDEX + 1;
    104 
    105     /**
    106      * Redirection data from root-bundle, top-level sideways aliases.
    107      * - UMEASFMT_WIDTH_COUNT: initial value, just fall back to root
    108      * - UMEASFMT_WIDTH_WIDE/SHORT/NARROW: sideways alias for missing data
    109      */
    110     UMeasureFormatWidth widthFallback[WIDTH_INDEX_COUNT];
    111     /** Measure unit -> format width -> array of patterns ("{0} meters") (plurals + PER_UNIT_INDEX) */
    112     SimpleFormatter *patterns[MEAS_UNIT_COUNT][WIDTH_INDEX_COUNT][PATTERN_COUNT];
    113     const UChar* dnams[MEAS_UNIT_COUNT][WIDTH_INDEX_COUNT];
    114     SimpleFormatter perFormatters[WIDTH_INDEX_COUNT];
    115 
    116     MeasureFormatCacheData();
    117     virtual ~MeasureFormatCacheData();
    118 
    119     UBool hasPerFormatter(int32_t width) const {
    120         // TODO: Create a more obvious way to test if the per-formatter has been set?
    121         // Use pointers, check for NULL? Or add an isValid() method?
    122         return perFormatters[width].getArgumentLimit() == 2;
    123     }
    124 
    125     void adoptCurrencyFormat(int32_t widthIndex, NumberFormat *nfToAdopt) {
    126         delete currencyFormats[widthIndex];
    127         currencyFormats[widthIndex] = nfToAdopt;
    128     }
    129     const NumberFormat *getCurrencyFormat(UMeasureFormatWidth width) const {
    130         return currencyFormats[getRegularWidth(width)];
    131     }
    132     void adoptIntegerFormat(NumberFormat *nfToAdopt) {
    133         delete integerFormat;
    134         integerFormat = nfToAdopt;
    135     }
    136     const NumberFormat *getIntegerFormat() const {
    137         return integerFormat;
    138     }
    139     void adoptNumericDateFormatters(NumericDateFormatters *formattersToAdopt) {
    140         delete numericDateFormatters;
    141         numericDateFormatters = formattersToAdopt;
    142     }
    143     const NumericDateFormatters *getNumericDateFormatters() const {
    144         return numericDateFormatters;
    145     }
    146 
    147 private:
    148     NumberFormat *currencyFormats[WIDTH_INDEX_COUNT];
    149     NumberFormat *integerFormat;
    150     NumericDateFormatters *numericDateFormatters;
    151     MeasureFormatCacheData(const MeasureFormatCacheData &other);
    152     MeasureFormatCacheData &operator=(const MeasureFormatCacheData &other);
    153 };
    154 
    155 MeasureFormatCacheData::MeasureFormatCacheData() {
    156     for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
    157         widthFallback[i] = UMEASFMT_WIDTH_COUNT;
    158     }
    159     for (int32_t i = 0; i < UPRV_LENGTHOF(currencyFormats); ++i) {
    160         currencyFormats[i] = NULL;
    161     }
    162     uprv_memset(patterns, 0, sizeof(patterns));
    163     uprv_memset(dnams, 0, sizeof(dnams));
    164     integerFormat = NULL;
    165     numericDateFormatters = NULL;
    166 }
    167 
    168 MeasureFormatCacheData::~MeasureFormatCacheData() {
    169     for (int32_t i = 0; i < UPRV_LENGTHOF(currencyFormats); ++i) {
    170         delete currencyFormats[i];
    171     }
    172     for (int32_t i = 0; i < MEAS_UNIT_COUNT; ++i) {
    173         for (int32_t j = 0; j < WIDTH_INDEX_COUNT; ++j) {
    174             for (int32_t k = 0; k < PATTERN_COUNT; ++k) {
    175                 delete patterns[i][j][k];
    176             }
    177         }
    178     }
    179     // Note: the contents of 'dnams' are pointers into the resource bundle
    180     delete integerFormat;
    181     delete numericDateFormatters;
    182 }
    183 
    184 static UBool isCurrency(const MeasureUnit &unit) {
    185     return (uprv_strcmp(unit.getType(), "currency") == 0);
    186 }
    187 
    188 static UBool getString(
    189         const UResourceBundle *resource,
    190         UnicodeString &result,
    191         UErrorCode &status) {
    192     int32_t len = 0;
    193     const UChar *resStr = ures_getString(resource, &len, &status);
    194     if (U_FAILURE(status)) {
    195         return FALSE;
    196     }
    197     result.setTo(TRUE, resStr, len);
    198     return TRUE;
    199 }
    200 
    201 namespace {
    202 
    203 static const UChar g_LOCALE_units[] = {
    204     0x2F, 0x4C, 0x4F, 0x43, 0x41, 0x4C, 0x45, 0x2F,
    205     0x75, 0x6E, 0x69, 0x74, 0x73
    206 };
    207 static const UChar gShort[] = { 0x53, 0x68, 0x6F, 0x72, 0x74 };
    208 static const UChar gNarrow[] = { 0x4E, 0x61, 0x72, 0x72, 0x6F, 0x77 };
    209 
    210 /**
    211  * Sink for enumerating all of the measurement unit display names.
    212  * Contains inner sink classes, each one corresponding to a type of resource table.
    213  * The outer sink handles the top-level units, unitsNarrow, and unitsShort tables.
    214  *
    215  * More specific bundles (en_GB) are enumerated before their parents (en_001, en, root):
    216  * Only store a value if it is still missing, that is, it has not been overridden.
    217  *
    218  * C++: Each inner sink class has a reference to the main outer sink.
    219  * Java: Use non-static inner classes instead.
    220  */
    221 struct UnitDataSink : public ResourceSink {
    222 
    223     // Output data.
    224     MeasureFormatCacheData &cacheData;
    225 
    226     // Path to current data.
    227     UMeasureFormatWidth width;
    228     const char *type;
    229     int32_t unitIndex;
    230 
    231     UnitDataSink(MeasureFormatCacheData &outputData)
    232             : cacheData(outputData),
    233               width(UMEASFMT_WIDTH_COUNT), type(NULL), unitIndex(0) {}
    234     ~UnitDataSink();
    235 
    236     void setFormatterIfAbsent(int32_t index, const ResourceValue &value,
    237                                 int32_t minPlaceholders, UErrorCode &errorCode) {
    238         SimpleFormatter **patterns = &cacheData.patterns[unitIndex][width][0];
    239         if (U_SUCCESS(errorCode) && patterns[index] == NULL) {
    240             if (minPlaceholders >= 0) {
    241                 patterns[index] = new SimpleFormatter(
    242                         value.getUnicodeString(errorCode), minPlaceholders, 1, errorCode);
    243             }
    244             if (U_SUCCESS(errorCode) && patterns[index] == NULL) {
    245                 errorCode = U_MEMORY_ALLOCATION_ERROR;
    246             }
    247         }
    248     }
    249 
    250     void setDnamIfAbsent(const ResourceValue &value, UErrorCode& errorCode) {
    251         if (cacheData.dnams[unitIndex][width] == NULL) {
    252             int32_t length;
    253             cacheData.dnams[unitIndex][width] = value.getString(length, errorCode);
    254         }
    255     }
    256 
    257     /**
    258      * Consume a display pattern. For example,
    259      * unitsShort/duration/hour contains other{"{0} hrs"}.
    260      */
    261     void consumePattern(const char *key, const ResourceValue &value, UErrorCode &errorCode) {
    262         if (U_FAILURE(errorCode)) { return; }
    263         if (uprv_strcmp(key, "dnam") == 0) {
    264             // The display name for the unit in the current width.
    265             setDnamIfAbsent(value, errorCode);
    266         } else if (uprv_strcmp(key, "per") == 0) {
    267             // For example, "{0}/h".
    268             setFormatterIfAbsent(MeasureFormatCacheData::PER_UNIT_INDEX, value, 1, errorCode);
    269         } else {
    270             // The key must be one of the plural form strings. For example:
    271             // one{"{0} hr"}
    272             // other{"{0} hrs"}
    273             setFormatterIfAbsent(StandardPlural::indexFromString(key, errorCode), value, 0,
    274                                     errorCode);
    275         }
    276     }
    277 
    278     /**
    279      * Consume a table of per-unit tables. For example,
    280      * unitsShort/duration contains tables for duration-unit subtypes day & hour.
    281      */
    282     void consumeSubtypeTable(const char *key, ResourceValue &value, UErrorCode &errorCode) {
    283         if (U_FAILURE(errorCode)) { return; }
    284         unitIndex = MeasureUnit::internalGetIndexForTypeAndSubtype(type, key);
    285         if (unitIndex < 0) {
    286             // TODO: How to handle unexpected data?
    287             // See http://bugs.icu-project.org/trac/ticket/12597
    288             return;
    289         }
    290 
    291         if (value.getType() == URES_STRING) {
    292             // Units like "coordinate" that don't have plural variants
    293             setFormatterIfAbsent(StandardPlural::OTHER, value, 0, errorCode);
    294         } else if (value.getType() == URES_TABLE) {
    295             // Units that have plural variants
    296             ResourceTable patternTableTable = value.getTable(errorCode);
    297             if (U_FAILURE(errorCode)) { return; }
    298             for (int i = 0; patternTableTable.getKeyAndValue(i, key, value); ++i) {
    299                 consumePattern(key, value, errorCode);
    300             }
    301         } else {
    302             // TODO: How to handle unexpected data?
    303             // See http://bugs.icu-project.org/trac/ticket/12597
    304             return;
    305         }
    306     }
    307 
    308     /**
    309      * Consume compound x-per-y display pattern. For example,
    310      * unitsShort/compound/per may be "{0}/{1}".
    311      */
    312     void consumeCompoundPattern(const char *key, const ResourceValue &value, UErrorCode &errorCode) {
    313         if (U_SUCCESS(errorCode) && uprv_strcmp(key, "per") == 0) {
    314             cacheData.perFormatters[width].
    315                     applyPatternMinMaxArguments(value.getUnicodeString(errorCode), 2, 2, errorCode);
    316         }
    317     }
    318 
    319     /**
    320      * Consume a table of unit type tables. For example,
    321      * unitsShort contains tables for area & duration.
    322      * It also contains a table for the compound/per pattern.
    323      */
    324     void consumeUnitTypesTable(const char *key, ResourceValue &value, UErrorCode &errorCode) {
    325         if (U_FAILURE(errorCode)) { return; }
    326         if (uprv_strcmp(key, "currency") == 0) {
    327             // Skip.
    328         } else if (uprv_strcmp(key, "compound") == 0) {
    329             if (!cacheData.hasPerFormatter(width)) {
    330                 ResourceTable compoundTable = value.getTable(errorCode);
    331                 if (U_FAILURE(errorCode)) { return; }
    332                 for (int i = 0; compoundTable.getKeyAndValue(i, key, value); ++i) {
    333                     consumeCompoundPattern(key, value, errorCode);
    334                 }
    335             }
    336         } else {
    337             type = key;
    338             ResourceTable subtypeTable = value.getTable(errorCode);
    339             if (U_FAILURE(errorCode)) { return; }
    340             for (int i = 0; subtypeTable.getKeyAndValue(i, key, value); ++i) {
    341                 consumeSubtypeTable(key, value, errorCode);
    342             }
    343         }
    344     }
    345 
    346     void consumeAlias(const char *key, const ResourceValue &value, UErrorCode &errorCode) {
    347         // Handle aliases like
    348         // units:alias{"/LOCALE/unitsShort"}
    349         // which should only occur in the root bundle.
    350         UMeasureFormatWidth sourceWidth = widthFromKey(key);
    351         if (sourceWidth == UMEASFMT_WIDTH_COUNT) {
    352             // Alias from something we don't care about.
    353             return;
    354         }
    355         UMeasureFormatWidth targetWidth = widthFromAlias(value, errorCode);
    356         if (targetWidth == UMEASFMT_WIDTH_COUNT) {
    357             // We do not recognize what to fall back to.
    358             errorCode = U_INVALID_FORMAT_ERROR;
    359             return;
    360         }
    361         // Check that we do not fall back to another fallback.
    362         if (cacheData.widthFallback[targetWidth] != UMEASFMT_WIDTH_COUNT) {
    363             errorCode = U_INVALID_FORMAT_ERROR;
    364             return;
    365         }
    366         cacheData.widthFallback[sourceWidth] = targetWidth;
    367     }
    368 
    369     void consumeTable(const char *key, ResourceValue &value, UErrorCode &errorCode) {
    370         if (U_SUCCESS(errorCode) && (width = widthFromKey(key)) != UMEASFMT_WIDTH_COUNT) {
    371             ResourceTable unitTypesTable = value.getTable(errorCode);
    372             if (U_FAILURE(errorCode)) { return; }
    373             for (int i = 0; unitTypesTable.getKeyAndValue(i, key, value); ++i) {
    374                 consumeUnitTypesTable(key, value, errorCode);
    375             }
    376         }
    377     }
    378 
    379     static UMeasureFormatWidth widthFromKey(const char *key) {
    380         if (uprv_strncmp(key, "units", 5) == 0) {
    381             key += 5;
    382             if (*key == 0) {
    383                 return UMEASFMT_WIDTH_WIDE;
    384             } else if (uprv_strcmp(key, "Short") == 0) {
    385                 return UMEASFMT_WIDTH_SHORT;
    386             } else if (uprv_strcmp(key, "Narrow") == 0) {
    387                 return UMEASFMT_WIDTH_NARROW;
    388             }
    389         }
    390         return UMEASFMT_WIDTH_COUNT;
    391     }
    392 
    393     static UMeasureFormatWidth widthFromAlias(const ResourceValue &value, UErrorCode &errorCode) {
    394         int32_t length;
    395         const UChar *s = value.getAliasString(length, errorCode);
    396         // For example: "/LOCALE/unitsShort"
    397         if (U_SUCCESS(errorCode) && length >= 13 && u_memcmp(s, g_LOCALE_units, 13) == 0) {
    398             s += 13;
    399             length -= 13;
    400             if (*s == 0) {
    401                 return UMEASFMT_WIDTH_WIDE;
    402             } else if (u_strCompare(s, length, gShort, 5, FALSE) == 0) {
    403                 return UMEASFMT_WIDTH_SHORT;
    404             } else if (u_strCompare(s, length, gNarrow, 6, FALSE) == 0) {
    405                 return UMEASFMT_WIDTH_NARROW;
    406             }
    407         }
    408         return UMEASFMT_WIDTH_COUNT;
    409     }
    410 
    411     virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
    412             UErrorCode &errorCode) {
    413         // Main entry point to sink
    414         ResourceTable widthsTable = value.getTable(errorCode);
    415         if (U_FAILURE(errorCode)) { return; }
    416         for (int i = 0; widthsTable.getKeyAndValue(i, key, value); ++i) {
    417             if (value.getType() == URES_ALIAS) {
    418                 consumeAlias(key, value, errorCode);
    419             } else {
    420                 consumeTable(key, value, errorCode);
    421             }
    422         }
    423     }
    424 };
    425 
    426 // Virtual destructors must be defined out of line.
    427 UnitDataSink::~UnitDataSink() {}
    428 
    429 }  // namespace
    430 
    431 static UBool loadMeasureUnitData(
    432         const UResourceBundle *resource,
    433         MeasureFormatCacheData &cacheData,
    434         UErrorCode &status) {
    435     UnitDataSink sink(cacheData);
    436     ures_getAllItemsWithFallback(resource, "", sink, status);
    437     return U_SUCCESS(status);
    438 }
    439 
    440 static UnicodeString loadNumericDateFormatterPattern(
    441         const UResourceBundle *resource,
    442         const char *pattern,
    443         UErrorCode &status) {
    444     UnicodeString result;
    445     if (U_FAILURE(status)) {
    446         return result;
    447     }
    448     CharString chs;
    449     chs.append("durationUnits", status)
    450             .append("/", status).append(pattern, status);
    451     LocalUResourceBundlePointer patternBundle(
    452             ures_getByKeyWithFallback(
    453                 resource,
    454                 chs.data(),
    455                 NULL,
    456                 &status));
    457     if (U_FAILURE(status)) {
    458         return result;
    459     }
    460     getString(patternBundle.getAlias(), result, status);
    461     // Replace 'h' with 'H'
    462     int32_t len = result.length();
    463     UChar *buffer = result.getBuffer(len);
    464     for (int32_t i = 0; i < len; ++i) {
    465         if (buffer[i] == 0x68) { // 'h'
    466             buffer[i] = 0x48; // 'H'
    467         }
    468     }
    469     result.releaseBuffer(len);
    470     return result;
    471 }
    472 
    473 static NumericDateFormatters *loadNumericDateFormatters(
    474         const UResourceBundle *resource,
    475         UErrorCode &status) {
    476     if (U_FAILURE(status)) {
    477         return NULL;
    478     }
    479     NumericDateFormatters *result = new NumericDateFormatters(
    480         loadNumericDateFormatterPattern(resource, "hm", status),
    481         loadNumericDateFormatterPattern(resource, "ms", status),
    482         loadNumericDateFormatterPattern(resource, "hms", status),
    483         status);
    484     if (U_FAILURE(status)) {
    485         delete result;
    486         return NULL;
    487     }
    488     return result;
    489 }
    490 
    491 template<> U_I18N_API
    492 const MeasureFormatCacheData *LocaleCacheKey<MeasureFormatCacheData>::createObject(
    493         const void * /*unused*/, UErrorCode &status) const {
    494     const char *localeId = fLoc.getName();
    495     LocalUResourceBundlePointer unitsBundle(ures_open(U_ICUDATA_UNIT, localeId, &status));
    496     static UNumberFormatStyle currencyStyles[] = {
    497             UNUM_CURRENCY_PLURAL, UNUM_CURRENCY_ISO, UNUM_CURRENCY};
    498     LocalPointer<MeasureFormatCacheData> result(new MeasureFormatCacheData(), status);
    499     if (U_FAILURE(status)) {
    500         return NULL;
    501     }
    502     if (!loadMeasureUnitData(
    503             unitsBundle.getAlias(),
    504             *result,
    505             status)) {
    506         return NULL;
    507     }
    508     result->adoptNumericDateFormatters(loadNumericDateFormatters(
    509             unitsBundle.getAlias(), status));
    510     if (U_FAILURE(status)) {
    511         return NULL;
    512     }
    513 
    514     for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
    515         // NumberFormat::createInstance can erase warning codes from status, so pass it
    516         // a separate status instance
    517         UErrorCode localStatus = U_ZERO_ERROR;
    518         result->adoptCurrencyFormat(i, NumberFormat::createInstance(
    519                 localeId, currencyStyles[i], localStatus));
    520         if (localStatus != U_ZERO_ERROR) {
    521             status = localStatus;
    522         }
    523         if (U_FAILURE(status)) {
    524             return NULL;
    525         }
    526     }
    527     NumberFormat *inf = NumberFormat::createInstance(
    528             localeId, UNUM_DECIMAL, status);
    529     if (U_FAILURE(status)) {
    530         return NULL;
    531     }
    532     inf->setMaximumFractionDigits(0);
    533     DecimalFormat *decfmt = dynamic_cast<DecimalFormat *>(inf);
    534     if (decfmt != NULL) {
    535         decfmt->setRoundingMode(DecimalFormat::kRoundDown);
    536     }
    537     result->adoptIntegerFormat(inf);
    538     result->addRef();
    539     return result.orphan();
    540 }
    541 
    542 static UBool isTimeUnit(const MeasureUnit &mu, const char *tu) {
    543     return uprv_strcmp(mu.getType(), "duration") == 0 &&
    544             uprv_strcmp(mu.getSubtype(), tu) == 0;
    545 }
    546 
    547 // Converts a composite measure into hours-minutes-seconds and stores at hms
    548 // array. [0] is hours; [1] is minutes; [2] is seconds. Returns a bit map of
    549 // units found: 1=hours, 2=minutes, 4=seconds. For example, if measures
    550 // contains hours-minutes, this function would return 3.
    551 //
    552 // If measures cannot be converted into hours, minutes, seconds or if amounts
    553 // are negative, or if hours, minutes, seconds are out of order, returns 0.
    554 static int32_t toHMS(
    555         const Measure *measures,
    556         int32_t measureCount,
    557         Formattable *hms,
    558         UErrorCode &status) {
    559     if (U_FAILURE(status)) {
    560         return 0;
    561     }
    562     int32_t result = 0;
    563     if (U_FAILURE(status)) {
    564         return 0;
    565     }
    566     // We use copy constructor to ensure that both sides of equality operator
    567     // are instances of MeasureUnit base class and not a subclass. Otherwise,
    568     // operator== will immediately return false.
    569     for (int32_t i = 0; i < measureCount; ++i) {
    570         if (isTimeUnit(measures[i].getUnit(), "hour")) {
    571             // hour must come first
    572             if (result >= 1) {
    573                 return 0;
    574             }
    575             hms[0] = measures[i].getNumber();
    576             if (hms[0].getDouble() < 0.0) {
    577                 return 0;
    578             }
    579             result |= 1;
    580         } else if (isTimeUnit(measures[i].getUnit(), "minute")) {
    581             // minute must come after hour
    582             if (result >= 2) {
    583                 return 0;
    584             }
    585             hms[1] = measures[i].getNumber();
    586             if (hms[1].getDouble() < 0.0) {
    587                 return 0;
    588             }
    589             result |= 2;
    590         } else if (isTimeUnit(measures[i].getUnit(), "second")) {
    591             // second must come after hour and minute
    592             if (result >= 4) {
    593                 return 0;
    594             }
    595             hms[2] = measures[i].getNumber();
    596             if (hms[2].getDouble() < 0.0) {
    597                 return 0;
    598             }
    599             result |= 4;
    600         } else {
    601             return 0;
    602         }
    603     }
    604     return result;
    605 }
    606 
    607 
    608 MeasureFormat::MeasureFormat(
    609         const Locale &locale, UMeasureFormatWidth w, UErrorCode &status)
    610         : cache(NULL),
    611           numberFormat(NULL),
    612           pluralRules(NULL),
    613           width(w),
    614           listFormatter(NULL) {
    615     initMeasureFormat(locale, w, NULL, status);
    616 }
    617 
    618 MeasureFormat::MeasureFormat(
    619         const Locale &locale,
    620         UMeasureFormatWidth w,
    621         NumberFormat *nfToAdopt,
    622         UErrorCode &status)
    623         : cache(NULL),
    624           numberFormat(NULL),
    625           pluralRules(NULL),
    626           width(w),
    627           listFormatter(NULL) {
    628     initMeasureFormat(locale, w, nfToAdopt, status);
    629 }
    630 
    631 MeasureFormat::MeasureFormat(const MeasureFormat &other) :
    632         Format(other),
    633         cache(other.cache),
    634         numberFormat(other.numberFormat),
    635         pluralRules(other.pluralRules),
    636         width(other.width),
    637         listFormatter(NULL) {
    638     cache->addRef();
    639     numberFormat->addRef();
    640     pluralRules->addRef();
    641     if (other.listFormatter != NULL) {
    642         listFormatter = new ListFormatter(*other.listFormatter);
    643     }
    644 }
    645 
    646 MeasureFormat &MeasureFormat::operator=(const MeasureFormat &other) {
    647     if (this == &other) {
    648         return *this;
    649     }
    650     Format::operator=(other);
    651     SharedObject::copyPtr(other.cache, cache);
    652     SharedObject::copyPtr(other.numberFormat, numberFormat);
    653     SharedObject::copyPtr(other.pluralRules, pluralRules);
    654     width = other.width;
    655     delete listFormatter;
    656     if (other.listFormatter != NULL) {
    657         listFormatter = new ListFormatter(*other.listFormatter);
    658     } else {
    659         listFormatter = NULL;
    660     }
    661     return *this;
    662 }
    663 
    664 MeasureFormat::MeasureFormat() :
    665         cache(NULL),
    666         numberFormat(NULL),
    667         pluralRules(NULL),
    668         width(UMEASFMT_WIDTH_SHORT),
    669         listFormatter(NULL) {
    670 }
    671 
    672 MeasureFormat::~MeasureFormat() {
    673     if (cache != NULL) {
    674         cache->removeRef();
    675     }
    676     if (numberFormat != NULL) {
    677         numberFormat->removeRef();
    678     }
    679     if (pluralRules != NULL) {
    680         pluralRules->removeRef();
    681     }
    682     delete listFormatter;
    683 }
    684 
    685 UBool MeasureFormat::operator==(const Format &other) const {
    686     if (this == &other) { // Same object, equal
    687         return TRUE;
    688     }
    689     if (!Format::operator==(other)) {
    690         return FALSE;
    691     }
    692     const MeasureFormat &rhs = static_cast<const MeasureFormat &>(other);
    693 
    694     // Note: Since the ListFormatter depends only on Locale and width, we
    695     // don't have to check it here.
    696 
    697     // differing widths aren't equivalent
    698     if (width != rhs.width) {
    699         return FALSE;
    700     }
    701     // Width the same check locales.
    702     // We don't need to check locales if both objects have same cache.
    703     if (cache != rhs.cache) {
    704         UErrorCode status = U_ZERO_ERROR;
    705         const char *localeId = getLocaleID(status);
    706         const char *rhsLocaleId = rhs.getLocaleID(status);
    707         if (U_FAILURE(status)) {
    708             // On failure, assume not equal
    709             return FALSE;
    710         }
    711         if (uprv_strcmp(localeId, rhsLocaleId) != 0) {
    712             return FALSE;
    713         }
    714     }
    715     // Locales same, check NumberFormat if shared data differs.
    716     return (
    717             numberFormat == rhs.numberFormat ||
    718             **numberFormat == **rhs.numberFormat);
    719 }
    720 
    721 Format *MeasureFormat::clone() const {
    722     return new MeasureFormat(*this);
    723 }
    724 
    725 UnicodeString &MeasureFormat::format(
    726         const Formattable &obj,
    727         UnicodeString &appendTo,
    728         FieldPosition &pos,
    729         UErrorCode &status) const {
    730     if (U_FAILURE(status)) return appendTo;
    731     if (obj.getType() == Formattable::kObject) {
    732         const UObject* formatObj = obj.getObject();
    733         const Measure* amount = dynamic_cast<const Measure*>(formatObj);
    734         if (amount != NULL) {
    735             return formatMeasure(
    736                     *amount, **numberFormat, appendTo, pos, status);
    737         }
    738     }
    739     status = U_ILLEGAL_ARGUMENT_ERROR;
    740     return appendTo;
    741 }
    742 
    743 void MeasureFormat::parseObject(
    744         const UnicodeString & /*source*/,
    745         Formattable & /*result*/,
    746         ParsePosition& /*pos*/) const {
    747     return;
    748 }
    749 
    750 UnicodeString &MeasureFormat::formatMeasurePerUnit(
    751         const Measure &measure,
    752         const MeasureUnit &perUnit,
    753         UnicodeString &appendTo,
    754         FieldPosition &pos,
    755         UErrorCode &status) const {
    756     if (U_FAILURE(status)) {
    757         return appendTo;
    758     }
    759     MeasureUnit *resolvedUnit =
    760             MeasureUnit::resolveUnitPerUnit(measure.getUnit(), perUnit);
    761     if (resolvedUnit != NULL) {
    762         Measure newMeasure(measure.getNumber(), resolvedUnit, status);
    763         return formatMeasure(
    764                 newMeasure, **numberFormat, appendTo, pos, status);
    765     }
    766     FieldPosition fpos(pos.getField());
    767     UnicodeString result;
    768     int32_t offset = withPerUnitAndAppend(
    769             formatMeasure(
    770                     measure, **numberFormat, result, fpos, status),
    771             perUnit,
    772             appendTo,
    773             status);
    774     if (U_FAILURE(status)) {
    775         return appendTo;
    776     }
    777     if (fpos.getBeginIndex() != 0 || fpos.getEndIndex() != 0) {
    778         pos.setBeginIndex(fpos.getBeginIndex() + offset);
    779         pos.setEndIndex(fpos.getEndIndex() + offset);
    780     }
    781     return appendTo;
    782 }
    783 
    784 UnicodeString &MeasureFormat::formatMeasures(
    785         const Measure *measures,
    786         int32_t measureCount,
    787         UnicodeString &appendTo,
    788         FieldPosition &pos,
    789         UErrorCode &status) const {
    790     if (U_FAILURE(status)) {
    791         return appendTo;
    792     }
    793     if (measureCount == 0) {
    794         return appendTo;
    795     }
    796     if (measureCount == 1) {
    797         return formatMeasure(measures[0], **numberFormat, appendTo, pos, status);
    798     }
    799     if (width == UMEASFMT_WIDTH_NUMERIC) {
    800         Formattable hms[3];
    801         int32_t bitMap = toHMS(measures, measureCount, hms, status);
    802         if (bitMap > 0) {
    803             return formatNumeric(hms, bitMap, appendTo, status);
    804         }
    805     }
    806     if (pos.getField() != FieldPosition::DONT_CARE) {
    807         return formatMeasuresSlowTrack(
    808                 measures, measureCount, appendTo, pos, status);
    809     }
    810     UnicodeString *results = new UnicodeString[measureCount];
    811     if (results == NULL) {
    812         status = U_MEMORY_ALLOCATION_ERROR;
    813         return appendTo;
    814     }
    815     for (int32_t i = 0; i < measureCount; ++i) {
    816         const NumberFormat *nf = cache->getIntegerFormat();
    817         if (i == measureCount - 1) {
    818             nf = numberFormat->get();
    819         }
    820         formatMeasure(
    821                 measures[i],
    822                 *nf,
    823                 results[i],
    824                 pos,
    825                 status);
    826     }
    827     listFormatter->format(results, measureCount, appendTo, status);
    828     delete [] results;
    829     return appendTo;
    830 }
    831 
    832 UnicodeString MeasureFormat::getUnitDisplayName(const MeasureUnit& unit, UErrorCode& /*status*/) const {
    833     UMeasureFormatWidth width = getRegularWidth(this->width);
    834     const UChar* const* styleToDnam = cache->dnams[unit.getIndex()];
    835     const UChar* dnam = styleToDnam[width];
    836     if (dnam == NULL) {
    837         int32_t fallbackWidth = cache->widthFallback[width];
    838         dnam = styleToDnam[fallbackWidth];
    839     }
    840 
    841     UnicodeString result;
    842     if (dnam == NULL) {
    843         result.setToBogus();
    844     } else {
    845         result.setTo(dnam, -1);
    846     }
    847     return result;
    848 }
    849 
    850 void MeasureFormat::initMeasureFormat(
    851         const Locale &locale,
    852         UMeasureFormatWidth w,
    853         NumberFormat *nfToAdopt,
    854         UErrorCode &status) {
    855     static const char *listStyles[] = {"unit", "unit-short", "unit-narrow"};
    856     LocalPointer<NumberFormat> nf(nfToAdopt);
    857     if (U_FAILURE(status)) {
    858         return;
    859     }
    860     const char *name = locale.getName();
    861     setLocaleIDs(name, name);
    862 
    863     UnifiedCache::getByLocale(locale, cache, status);
    864     if (U_FAILURE(status)) {
    865         return;
    866     }
    867 
    868     const SharedPluralRules *pr = PluralRules::createSharedInstance(
    869             locale, UPLURAL_TYPE_CARDINAL, status);
    870     if (U_FAILURE(status)) {
    871         return;
    872     }
    873     SharedObject::copyPtr(pr, pluralRules);
    874     pr->removeRef();
    875     if (nf.isNull()) {
    876         const SharedNumberFormat *shared = NumberFormat::createSharedInstance(
    877                 locale, UNUM_DECIMAL, status);
    878         if (U_FAILURE(status)) {
    879             return;
    880         }
    881         SharedObject::copyPtr(shared, numberFormat);
    882         shared->removeRef();
    883     } else {
    884         adoptNumberFormat(nf.orphan(), status);
    885         if (U_FAILURE(status)) {
    886             return;
    887         }
    888     }
    889     width = w;
    890     delete listFormatter;
    891     listFormatter = ListFormatter::createInstance(
    892             locale,
    893             listStyles[getRegularWidth(width)],
    894             status);
    895 }
    896 
    897 void MeasureFormat::adoptNumberFormat(
    898         NumberFormat *nfToAdopt, UErrorCode &status) {
    899     LocalPointer<NumberFormat> nf(nfToAdopt);
    900     if (U_FAILURE(status)) {
    901         return;
    902     }
    903     SharedNumberFormat *shared = new SharedNumberFormat(nf.getAlias());
    904     if (shared == NULL) {
    905         status = U_MEMORY_ALLOCATION_ERROR;
    906         return;
    907     }
    908     nf.orphan();
    909     SharedObject::copyPtr(shared, numberFormat);
    910 }
    911 
    912 UBool MeasureFormat::setMeasureFormatLocale(const Locale &locale, UErrorCode &status) {
    913     if (U_FAILURE(status) || locale == getLocale(status)) {
    914         return FALSE;
    915     }
    916     initMeasureFormat(locale, width, NULL, status);
    917     return U_SUCCESS(status);
    918 }
    919 
    920 const NumberFormat &MeasureFormat::getNumberFormat() const {
    921     return **numberFormat;
    922 }
    923 
    924 const PluralRules &MeasureFormat::getPluralRules() const {
    925     return **pluralRules;
    926 }
    927 
    928 Locale MeasureFormat::getLocale(UErrorCode &status) const {
    929     return Format::getLocale(ULOC_VALID_LOCALE, status);
    930 }
    931 
    932 const char *MeasureFormat::getLocaleID(UErrorCode &status) const {
    933     return Format::getLocaleID(ULOC_VALID_LOCALE, status);
    934 }
    935 
    936 UnicodeString &MeasureFormat::formatMeasure(
    937         const Measure &measure,
    938         const NumberFormat &nf,
    939         UnicodeString &appendTo,
    940         FieldPosition &pos,
    941         UErrorCode &status) const {
    942     if (U_FAILURE(status)) {
    943         return appendTo;
    944     }
    945     const Formattable& amtNumber = measure.getNumber();
    946     const MeasureUnit& amtUnit = measure.getUnit();
    947     if (isCurrency(amtUnit)) {
    948         UChar isoCode[4];
    949         u_charsToUChars(amtUnit.getSubtype(), isoCode, 4);
    950         return cache->getCurrencyFormat(width)->format(
    951                 new CurrencyAmount(amtNumber, isoCode, status),
    952                 appendTo,
    953                 pos,
    954                 status);
    955     }
    956     UnicodeString formattedNumber;
    957     StandardPlural::Form pluralForm = QuantityFormatter::selectPlural(
    958             amtNumber, nf, **pluralRules, formattedNumber, pos, status);
    959     const SimpleFormatter *formatter = getPluralFormatter(amtUnit, width, pluralForm, status);
    960     return QuantityFormatter::format(*formatter, formattedNumber, appendTo, pos, status);
    961 }
    962 
    963 // Formats hours-minutes-seconds as 5:37:23 or similar.
    964 UnicodeString &MeasureFormat::formatNumeric(
    965         const Formattable *hms,  // always length 3
    966         int32_t bitMap,   // 1=hourset, 2=minuteset, 4=secondset
    967         UnicodeString &appendTo,
    968         UErrorCode &status) const {
    969     if (U_FAILURE(status)) {
    970         return appendTo;
    971     }
    972     UDate millis =
    973         (UDate) (((uprv_trunc(hms[0].getDouble(status)) * 60.0
    974              + uprv_trunc(hms[1].getDouble(status))) * 60.0
    975                   + uprv_trunc(hms[2].getDouble(status))) * 1000.0);
    976     switch (bitMap) {
    977     case 5: // hs
    978     case 7: // hms
    979         return formatNumeric(
    980                 millis,
    981                 cache->getNumericDateFormatters()->hourMinuteSecond,
    982                 UDAT_SECOND_FIELD,
    983                 hms[2],
    984                 appendTo,
    985                 status);
    986         break;
    987     case 6: // ms
    988         return formatNumeric(
    989                 millis,
    990                 cache->getNumericDateFormatters()->minuteSecond,
    991                 UDAT_SECOND_FIELD,
    992                 hms[2],
    993                 appendTo,
    994                 status);
    995         break;
    996     case 3: // hm
    997         return formatNumeric(
    998                 millis,
    999                 cache->getNumericDateFormatters()->hourMinute,
   1000                 UDAT_MINUTE_FIELD,
   1001                 hms[1],
   1002                 appendTo,
   1003                 status);
   1004         break;
   1005     default:
   1006         status = U_INTERNAL_PROGRAM_ERROR;
   1007         return appendTo;
   1008         break;
   1009     }
   1010     return appendTo;
   1011 }
   1012 
   1013 static void appendRange(
   1014         const UnicodeString &src,
   1015         int32_t start,
   1016         int32_t end,
   1017         UnicodeString &dest) {
   1018     dest.append(src, start, end - start);
   1019 }
   1020 
   1021 static void appendRange(
   1022         const UnicodeString &src,
   1023         int32_t end,
   1024         UnicodeString &dest) {
   1025     dest.append(src, end, src.length() - end);
   1026 }
   1027 
   1028 // Formats time like 5:37:23
   1029 UnicodeString &MeasureFormat::formatNumeric(
   1030         UDate date, // Time since epoch 1:30:00 would be 5400000
   1031         const DateFormat &dateFmt, // h:mm, m:ss, or h:mm:ss
   1032         UDateFormatField smallestField, // seconds in 5:37:23.5
   1033         const Formattable &smallestAmount, // 23.5 for 5:37:23.5
   1034         UnicodeString &appendTo,
   1035         UErrorCode &status) const {
   1036     if (U_FAILURE(status)) {
   1037         return appendTo;
   1038     }
   1039     // Format the smallest amount with this object's NumberFormat
   1040     UnicodeString smallestAmountFormatted;
   1041 
   1042     // We keep track of the integer part of smallest amount so that
   1043     // we can replace it later so that we get '0:00:09.3' instead of
   1044     // '0:00:9.3'
   1045     FieldPosition intFieldPosition(UNUM_INTEGER_FIELD);
   1046     (*numberFormat)->format(
   1047             smallestAmount, smallestAmountFormatted, intFieldPosition, status);
   1048     if (
   1049             intFieldPosition.getBeginIndex() == 0 &&
   1050             intFieldPosition.getEndIndex() == 0) {
   1051         status = U_INTERNAL_PROGRAM_ERROR;
   1052         return appendTo;
   1053     }
   1054 
   1055     // Format time. draft becomes something like '5:30:45'
   1056     FieldPosition smallestFieldPosition(smallestField);
   1057     UnicodeString draft;
   1058     dateFmt.format(date, draft, smallestFieldPosition, status);
   1059 
   1060     // If we find field for smallest amount replace it with the formatted
   1061     // smallest amount from above taking care to replace the integer part
   1062     // with what is in original time. For example, If smallest amount
   1063     // is 9.35s and the formatted time is 0:00:09 then 9.35 becomes 09.35
   1064     // and replacing yields 0:00:09.35
   1065     if (smallestFieldPosition.getBeginIndex() != 0 ||
   1066             smallestFieldPosition.getEndIndex() != 0) {
   1067         appendRange(draft, 0, smallestFieldPosition.getBeginIndex(), appendTo);
   1068         appendRange(
   1069                 smallestAmountFormatted,
   1070                 0,
   1071                 intFieldPosition.getBeginIndex(),
   1072                 appendTo);
   1073         appendRange(
   1074                 draft,
   1075                 smallestFieldPosition.getBeginIndex(),
   1076                 smallestFieldPosition.getEndIndex(),
   1077                 appendTo);
   1078         appendRange(
   1079                 smallestAmountFormatted,
   1080                 intFieldPosition.getEndIndex(),
   1081                 appendTo);
   1082         appendRange(
   1083                 draft,
   1084                 smallestFieldPosition.getEndIndex(),
   1085                 appendTo);
   1086     } else {
   1087         appendTo.append(draft);
   1088     }
   1089     return appendTo;
   1090 }
   1091 
   1092 const SimpleFormatter *MeasureFormat::getFormatterOrNull(
   1093         const MeasureUnit &unit, UMeasureFormatWidth width, int32_t index) const {
   1094     width = getRegularWidth(width);
   1095     SimpleFormatter *const (*unitPatterns)[MeasureFormatCacheData::PATTERN_COUNT] =
   1096             &cache->patterns[unit.getIndex()][0];
   1097     if (unitPatterns[width][index] != NULL) {
   1098         return unitPatterns[width][index];
   1099     }
   1100     int32_t fallbackWidth = cache->widthFallback[width];
   1101     if (fallbackWidth != UMEASFMT_WIDTH_COUNT && unitPatterns[fallbackWidth][index] != NULL) {
   1102         return unitPatterns[fallbackWidth][index];
   1103     }
   1104     return NULL;
   1105 }
   1106 
   1107 const SimpleFormatter *MeasureFormat::getFormatter(
   1108         const MeasureUnit &unit, UMeasureFormatWidth width, int32_t index,
   1109         UErrorCode &errorCode) const {
   1110     if (U_FAILURE(errorCode)) {
   1111         return NULL;
   1112     }
   1113     const SimpleFormatter *pattern = getFormatterOrNull(unit, width, index);
   1114     if (pattern == NULL) {
   1115         errorCode = U_MISSING_RESOURCE_ERROR;
   1116     }
   1117     return pattern;
   1118 }
   1119 
   1120 const SimpleFormatter *MeasureFormat::getPluralFormatter(
   1121         const MeasureUnit &unit, UMeasureFormatWidth width, int32_t index,
   1122         UErrorCode &errorCode) const {
   1123     if (U_FAILURE(errorCode)) {
   1124         return NULL;
   1125     }
   1126     if (index != StandardPlural::OTHER) {
   1127         const SimpleFormatter *pattern = getFormatterOrNull(unit, width, index);
   1128         if (pattern != NULL) {
   1129             return pattern;
   1130         }
   1131     }
   1132     return getFormatter(unit, width, StandardPlural::OTHER, errorCode);
   1133 }
   1134 
   1135 const SimpleFormatter *MeasureFormat::getPerFormatter(
   1136         UMeasureFormatWidth width,
   1137         UErrorCode &status) const {
   1138     if (U_FAILURE(status)) {
   1139         return NULL;
   1140     }
   1141     width = getRegularWidth(width);
   1142     const SimpleFormatter * perFormatters = cache->perFormatters;
   1143     if (perFormatters[width].getArgumentLimit() == 2) {
   1144         return &perFormatters[width];
   1145     }
   1146     int32_t fallbackWidth = cache->widthFallback[width];
   1147     if (fallbackWidth != UMEASFMT_WIDTH_COUNT &&
   1148             perFormatters[fallbackWidth].getArgumentLimit() == 2) {
   1149         return &perFormatters[fallbackWidth];
   1150     }
   1151     status = U_MISSING_RESOURCE_ERROR;
   1152     return NULL;
   1153 }
   1154 
   1155 int32_t MeasureFormat::withPerUnitAndAppend(
   1156         const UnicodeString &formatted,
   1157         const MeasureUnit &perUnit,
   1158         UnicodeString &appendTo,
   1159         UErrorCode &status) const {
   1160     int32_t offset = -1;
   1161     if (U_FAILURE(status)) {
   1162         return offset;
   1163     }
   1164     const SimpleFormatter *perUnitFormatter =
   1165             getFormatterOrNull(perUnit, width, MeasureFormatCacheData::PER_UNIT_INDEX);
   1166     if (perUnitFormatter != NULL) {
   1167         const UnicodeString *params[] = {&formatted};
   1168         perUnitFormatter->formatAndAppend(
   1169                 params,
   1170                 UPRV_LENGTHOF(params),
   1171                 appendTo,
   1172                 &offset,
   1173                 1,
   1174                 status);
   1175         return offset;
   1176     }
   1177     const SimpleFormatter *perFormatter = getPerFormatter(width, status);
   1178     const SimpleFormatter *pattern =
   1179             getPluralFormatter(perUnit, width, StandardPlural::ONE, status);
   1180     if (U_FAILURE(status)) {
   1181         return offset;
   1182     }
   1183     UnicodeString perUnitString = pattern->getTextWithNoArguments();
   1184     perUnitString.trim();
   1185     const UnicodeString *params[] = {&formatted, &perUnitString};
   1186     perFormatter->formatAndAppend(
   1187             params,
   1188             UPRV_LENGTHOF(params),
   1189             appendTo,
   1190             &offset,
   1191             1,
   1192             status);
   1193     return offset;
   1194 }
   1195 
   1196 UnicodeString &MeasureFormat::formatMeasuresSlowTrack(
   1197         const Measure *measures,
   1198         int32_t measureCount,
   1199         UnicodeString& appendTo,
   1200         FieldPosition& pos,
   1201         UErrorCode& status) const {
   1202     if (U_FAILURE(status)) {
   1203         return appendTo;
   1204     }
   1205     FieldPosition dontCare(FieldPosition::DONT_CARE);
   1206     FieldPosition fpos(pos.getField());
   1207     UnicodeString *results = new UnicodeString[measureCount];
   1208     int32_t fieldPositionFoundIndex = -1;
   1209     for (int32_t i = 0; i < measureCount; ++i) {
   1210         const NumberFormat *nf = cache->getIntegerFormat();
   1211         if (i == measureCount - 1) {
   1212             nf = numberFormat->get();
   1213         }
   1214         if (fieldPositionFoundIndex == -1) {
   1215             formatMeasure(measures[i], *nf, results[i], fpos, status);
   1216             if (U_FAILURE(status)) {
   1217                 delete [] results;
   1218                 return appendTo;
   1219             }
   1220             if (fpos.getBeginIndex() != 0 || fpos.getEndIndex() != 0) {
   1221                 fieldPositionFoundIndex = i;
   1222             }
   1223         } else {
   1224             formatMeasure(measures[i], *nf, results[i], dontCare, status);
   1225         }
   1226     }
   1227     int32_t offset;
   1228     listFormatter->format(
   1229             results,
   1230             measureCount,
   1231             appendTo,
   1232             fieldPositionFoundIndex,
   1233             offset,
   1234             status);
   1235     if (U_FAILURE(status)) {
   1236         delete [] results;
   1237         return appendTo;
   1238     }
   1239     if (offset != -1) {
   1240         pos.setBeginIndex(fpos.getBeginIndex() + offset);
   1241         pos.setEndIndex(fpos.getEndIndex() + offset);
   1242     }
   1243     delete [] results;
   1244     return appendTo;
   1245 }
   1246 
   1247 MeasureFormat* U_EXPORT2 MeasureFormat::createCurrencyFormat(const Locale& locale,
   1248                                                    UErrorCode& ec) {
   1249     CurrencyFormat* fmt = NULL;
   1250     if (U_SUCCESS(ec)) {
   1251         fmt = new CurrencyFormat(locale, ec);
   1252         if (U_FAILURE(ec)) {
   1253             delete fmt;
   1254             fmt = NULL;
   1255         }
   1256     }
   1257     return fmt;
   1258 }
   1259 
   1260 MeasureFormat* U_EXPORT2 MeasureFormat::createCurrencyFormat(UErrorCode& ec) {
   1261     if (U_FAILURE(ec)) {
   1262         return NULL;
   1263     }
   1264     return MeasureFormat::createCurrencyFormat(Locale::getDefault(), ec);
   1265 }
   1266 
   1267 U_NAMESPACE_END
   1268 
   1269 #endif /* #if !UCONFIG_NO_FORMATTING */
   1270