894 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			894 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C++
		
	
	
	
| // © 2016 and later: Unicode, Inc. and others.
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| // License & terms of use: http://www.unicode.org/copyright.html
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| /*
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| **********************************************************************
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| * Copyright (c) 2004-2016, International Business Machines
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| * Corporation and others.  All Rights Reserved.
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| **********************************************************************
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| * Author: Alan Liu
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| * Created: April 20, 2004
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| * Since: ICU 3.0
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| **********************************************************************
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| */
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| #include "utypeinfo.h"  // for 'typeid' to work
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| #include "unicode/utypes.h"
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| 
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| #if !UCONFIG_NO_FORMATTING
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| 
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| #include "unicode/measfmt.h"
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| #include "unicode/numfmt.h"
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| #include "currfmt.h"
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| #include "unicode/localpointer.h"
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| #include "resource.h"
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| #include "unicode/simpleformatter.h"
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| #include "quantityformatter.h"
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| #include "unicode/plurrule.h"
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| #include "unicode/decimfmt.h"
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| #include "uresimp.h"
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| #include "unicode/ures.h"
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| #include "unicode/ustring.h"
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| #include "ureslocs.h"
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| #include "cstring.h"
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| #include "mutex.h"
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| #include "ucln_in.h"
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| #include "unicode/listformatter.h"
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| #include "charstr.h"
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| #include "unicode/putil.h"
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| #include "unicode/smpdtfmt.h"
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| #include "uassert.h"
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| #include "unicode/numberformatter.h"
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| #include "number_longnames.h"
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| #include "number_utypes.h"
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| 
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| #include "sharednumberformat.h"
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| #include "sharedpluralrules.h"
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| #include "standardplural.h"
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| #include "unifiedcache.h"
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| 
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| 
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| U_NAMESPACE_BEGIN
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| 
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| using number::impl::UFormattedNumberData;
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| 
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| static constexpr int32_t WIDTH_INDEX_COUNT = UMEASFMT_WIDTH_NARROW + 1;
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| 
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| UOBJECT_DEFINE_RTTI_IMPLEMENTATION(MeasureFormat)
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| 
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| // Used to format durations like 5:47 or 21:35:42.
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| class NumericDateFormatters : public UMemory {
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| public:
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|     // Formats like H:mm
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|     UnicodeString hourMinute;
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| 
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|     // formats like M:ss
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|     UnicodeString minuteSecond;
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| 
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|     // formats like H:mm:ss
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|     UnicodeString hourMinuteSecond;
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| 
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|     // Constructor that takes the actual patterns for hour-minute,
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|     // minute-second, and hour-minute-second respectively.
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|     NumericDateFormatters(
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|             const UnicodeString &hm,
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|             const UnicodeString &ms,
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|             const UnicodeString &hms) :
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|             hourMinute(hm),
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|             minuteSecond(ms),
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|             hourMinuteSecond(hms) {
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|     }
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| private:
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|     NumericDateFormatters(const NumericDateFormatters &other);
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|     NumericDateFormatters &operator=(const NumericDateFormatters &other);
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| };
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| 
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| static UMeasureFormatWidth getRegularWidth(UMeasureFormatWidth width) {
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|     if (width >= WIDTH_INDEX_COUNT) {
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|         return UMEASFMT_WIDTH_NARROW;
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|     }
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|     return width;
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| }
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| 
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| static UNumberUnitWidth getUnitWidth(UMeasureFormatWidth width) {
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|     switch (width) {
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|     case UMEASFMT_WIDTH_WIDE:
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|         return UNUM_UNIT_WIDTH_FULL_NAME;
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|     case UMEASFMT_WIDTH_NARROW:
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|     case UMEASFMT_WIDTH_NUMERIC:
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|         return UNUM_UNIT_WIDTH_NARROW;
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|     case UMEASFMT_WIDTH_SHORT:
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|     default:
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|         return UNUM_UNIT_WIDTH_SHORT;
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|     }
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| }
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| 
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| /**
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|  * Instances contain all MeasureFormat specific data for a particular locale.
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|  * This data is cached. It is never copied, but is shared via shared pointers.
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|  *
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|  * Note: We might change the cache data to have an array[WIDTH_INDEX_COUNT] of
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|  * complete sets of unit & per patterns,
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|  * to correspond to the resource data and its aliases.
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|  *
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|  * TODO: Maybe store more sparsely in general, with pointers rather than potentially-empty objects.
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|  */
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| class MeasureFormatCacheData : public SharedObject {
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| public:
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| 
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|     /**
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|      * Redirection data from root-bundle, top-level sideways aliases.
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|      * - UMEASFMT_WIDTH_COUNT: initial value, just fall back to root
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|      * - UMEASFMT_WIDTH_WIDE/SHORT/NARROW: sideways alias for missing data
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|      */
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|     UMeasureFormatWidth widthFallback[WIDTH_INDEX_COUNT];
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| 
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|     MeasureFormatCacheData();
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|     virtual ~MeasureFormatCacheData();
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| 
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|     void adoptCurrencyFormat(int32_t widthIndex, NumberFormat *nfToAdopt) {
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|         delete currencyFormats[widthIndex];
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|         currencyFormats[widthIndex] = nfToAdopt;
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|     }
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|     const NumberFormat *getCurrencyFormat(UMeasureFormatWidth width) const {
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|         return currencyFormats[getRegularWidth(width)];
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|     }
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|     void adoptIntegerFormat(NumberFormat *nfToAdopt) {
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|         delete integerFormat;
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|         integerFormat = nfToAdopt;
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|     }
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|     const NumberFormat *getIntegerFormat() const {
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|         return integerFormat;
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|     }
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|     void adoptNumericDateFormatters(NumericDateFormatters *formattersToAdopt) {
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|         delete numericDateFormatters;
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|         numericDateFormatters = formattersToAdopt;
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|     }
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|     const NumericDateFormatters *getNumericDateFormatters() const {
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|         return numericDateFormatters;
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|     }
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| 
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| private:
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|     NumberFormat* currencyFormats[WIDTH_INDEX_COUNT];
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|     NumberFormat* integerFormat;
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|     NumericDateFormatters* numericDateFormatters;
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| 
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|     MeasureFormatCacheData(const MeasureFormatCacheData &other);
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|     MeasureFormatCacheData &operator=(const MeasureFormatCacheData &other);
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| };
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| 
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| MeasureFormatCacheData::MeasureFormatCacheData()
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|         : integerFormat(nullptr), numericDateFormatters(nullptr) {
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|     for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
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|         widthFallback[i] = UMEASFMT_WIDTH_COUNT;
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|     }
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|     memset(currencyFormats, 0, sizeof(currencyFormats));
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| }
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| 
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| MeasureFormatCacheData::~MeasureFormatCacheData() {
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|     for (int32_t i = 0; i < UPRV_LENGTHOF(currencyFormats); ++i) {
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|         delete currencyFormats[i];
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|     }
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|     // Note: the contents of 'dnams' are pointers into the resource bundle
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|     delete integerFormat;
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|     delete numericDateFormatters;
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| }
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| 
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| static UBool isCurrency(const MeasureUnit &unit) {
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|     return (uprv_strcmp(unit.getType(), "currency") == 0);
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| }
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| 
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| static UBool getString(
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|         const UResourceBundle *resource,
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|         UnicodeString &result,
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|         UErrorCode &status) {
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|     int32_t len = 0;
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|     const UChar *resStr = ures_getString(resource, &len, &status);
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|     if (U_FAILURE(status)) {
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|         return FALSE;
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|     }
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|     result.setTo(TRUE, resStr, len);
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|     return TRUE;
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| }
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| 
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| static UnicodeString loadNumericDateFormatterPattern(
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|         const UResourceBundle *resource,
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|         const char *pattern,
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|         UErrorCode &status) {
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|     UnicodeString result;
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|     if (U_FAILURE(status)) {
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|         return result;
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|     }
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|     CharString chs;
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|     chs.append("durationUnits", status)
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|             .append("/", status).append(pattern, status);
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|     LocalUResourceBundlePointer patternBundle(
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|             ures_getByKeyWithFallback(
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|                 resource,
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|                 chs.data(),
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|                 NULL,
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|                 &status));
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|     if (U_FAILURE(status)) {
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|         return result;
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|     }
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|     getString(patternBundle.getAlias(), result, status);
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|     // Replace 'h' with 'H'
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|     int32_t len = result.length();
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|     UChar *buffer = result.getBuffer(len);
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|     for (int32_t i = 0; i < len; ++i) {
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|         if (buffer[i] == 0x68) { // 'h'
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|             buffer[i] = 0x48; // 'H'
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|         }
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|     }
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|     result.releaseBuffer(len);
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|     return result;
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| }
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| 
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| static NumericDateFormatters *loadNumericDateFormatters(
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|         const UResourceBundle *resource,
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|         UErrorCode &status) {
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|     if (U_FAILURE(status)) {
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|         return NULL;
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|     }
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|     NumericDateFormatters *result = new NumericDateFormatters(
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|         loadNumericDateFormatterPattern(resource, "hm", status),
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|         loadNumericDateFormatterPattern(resource, "ms", status),
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|         loadNumericDateFormatterPattern(resource, "hms", status));
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|     if (U_FAILURE(status)) {
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|         delete result;
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|         return NULL;
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|     }
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|     return result;
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| }
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| 
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| template<> U_I18N_API
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| const MeasureFormatCacheData *LocaleCacheKey<MeasureFormatCacheData>::createObject(
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|         const void * /*unused*/, UErrorCode &status) const {
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|     const char *localeId = fLoc.getName();
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|     LocalUResourceBundlePointer unitsBundle(ures_open(U_ICUDATA_UNIT, localeId, &status));
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|     static UNumberFormatStyle currencyStyles[] = {
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|             UNUM_CURRENCY_PLURAL, UNUM_CURRENCY_ISO, UNUM_CURRENCY};
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|     LocalPointer<MeasureFormatCacheData> result(new MeasureFormatCacheData(), status);
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|     if (U_FAILURE(status)) {
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|         return NULL;
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|     }
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|     result->adoptNumericDateFormatters(loadNumericDateFormatters(
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|             unitsBundle.getAlias(), status));
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|     if (U_FAILURE(status)) {
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|         return NULL;
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|     }
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| 
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|     for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
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|         // NumberFormat::createInstance can erase warning codes from status, so pass it
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|         // a separate status instance
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|         UErrorCode localStatus = U_ZERO_ERROR;
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|         result->adoptCurrencyFormat(i, NumberFormat::createInstance(
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|                 localeId, currencyStyles[i], localStatus));
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|         if (localStatus != U_ZERO_ERROR) {
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|             status = localStatus;
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|         }
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|         if (U_FAILURE(status)) {
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|             return NULL;
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|         }
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|     }
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|     NumberFormat *inf = NumberFormat::createInstance(
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|             localeId, UNUM_DECIMAL, status);
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|     if (U_FAILURE(status)) {
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|         return NULL;
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|     }
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|     inf->setMaximumFractionDigits(0);
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|     DecimalFormat *decfmt = dynamic_cast<DecimalFormat *>(inf);
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|     if (decfmt != NULL) {
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|         decfmt->setRoundingMode(DecimalFormat::kRoundDown);
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|     }
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|     result->adoptIntegerFormat(inf);
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|     result->addRef();
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|     return result.orphan();
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| }
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| 
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| static UBool isTimeUnit(const MeasureUnit &mu, const char *tu) {
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|     return uprv_strcmp(mu.getType(), "duration") == 0 &&
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|             uprv_strcmp(mu.getSubtype(), tu) == 0;
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| }
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| 
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| // Converts a composite measure into hours-minutes-seconds and stores at hms
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| // array. [0] is hours; [1] is minutes; [2] is seconds. Returns a bit map of
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| // units found: 1=hours, 2=minutes, 4=seconds. For example, if measures
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| // contains hours-minutes, this function would return 3.
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| //
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| // If measures cannot be converted into hours, minutes, seconds or if amounts
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| // are negative, or if hours, minutes, seconds are out of order, returns 0.
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| static int32_t toHMS(
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|         const Measure *measures,
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|         int32_t measureCount,
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|         Formattable *hms,
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|         UErrorCode &status) {
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|     if (U_FAILURE(status)) {
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|         return 0;
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|     }
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|     int32_t result = 0;
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|     if (U_FAILURE(status)) {
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|         return 0;
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|     }
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|     // We use copy constructor to ensure that both sides of equality operator
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|     // are instances of MeasureUnit base class and not a subclass. Otherwise,
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|     // operator== will immediately return false.
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|     for (int32_t i = 0; i < measureCount; ++i) {
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|         if (isTimeUnit(measures[i].getUnit(), "hour")) {
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|             // hour must come first
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|             if (result >= 1) {
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|                 return 0;
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|             }
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|             hms[0] = measures[i].getNumber();
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|             if (hms[0].getDouble() < 0.0) {
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|                 return 0;
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|             }
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|             result |= 1;
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|         } else if (isTimeUnit(measures[i].getUnit(), "minute")) {
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|             // minute must come after hour
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|             if (result >= 2) {
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|                 return 0;
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|             }
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|             hms[1] = measures[i].getNumber();
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|             if (hms[1].getDouble() < 0.0) {
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|                 return 0;
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|             }
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|             result |= 2;
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|         } else if (isTimeUnit(measures[i].getUnit(), "second")) {
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|             // second must come after hour and minute
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|             if (result >= 4) {
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|                 return 0;
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|             }
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|             hms[2] = measures[i].getNumber();
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|             if (hms[2].getDouble() < 0.0) {
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|                 return 0;
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|             }
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|             result |= 4;
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|         } else {
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|             return 0;
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|         }
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|     }
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|     return result;
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| }
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| 
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| 
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| MeasureFormat::MeasureFormat(
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|         const Locale &locale, UMeasureFormatWidth w, UErrorCode &status)
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|         : cache(NULL),
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|           numberFormat(NULL),
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|           pluralRules(NULL),
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|           fWidth(w),
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|           listFormatter(NULL) {
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|     initMeasureFormat(locale, w, NULL, status);
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| }
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| 
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| MeasureFormat::MeasureFormat(
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|         const Locale &locale,
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|         UMeasureFormatWidth w,
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|         NumberFormat *nfToAdopt,
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|         UErrorCode &status) 
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|         : cache(NULL),
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|           numberFormat(NULL),
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|           pluralRules(NULL),
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|           fWidth(w),
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|           listFormatter(NULL) {
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|     initMeasureFormat(locale, w, nfToAdopt, status);
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| }
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| 
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| MeasureFormat::MeasureFormat(const MeasureFormat &other) :
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|         Format(other),
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|         cache(other.cache),
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|         numberFormat(other.numberFormat),
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|         pluralRules(other.pluralRules),
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|         fWidth(other.fWidth),
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|         listFormatter(NULL) {
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|     cache->addRef();
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|     numberFormat->addRef();
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|     pluralRules->addRef();
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|     if (other.listFormatter != NULL) {
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|         listFormatter = new ListFormatter(*other.listFormatter);
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|     }
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| }
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| 
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| MeasureFormat &MeasureFormat::operator=(const MeasureFormat &other) {
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|     if (this == &other) {
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|         return *this;
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|     }
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|     Format::operator=(other);
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|     SharedObject::copyPtr(other.cache, cache);
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|     SharedObject::copyPtr(other.numberFormat, numberFormat);
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|     SharedObject::copyPtr(other.pluralRules, pluralRules);
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|     fWidth = other.fWidth;
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|     delete listFormatter;
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|     if (other.listFormatter != NULL) {
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|         listFormatter = new ListFormatter(*other.listFormatter);
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|     } else {
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|         listFormatter = NULL;
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|     }
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|     return *this;
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| }
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| 
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| MeasureFormat::MeasureFormat() :
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|         cache(NULL),
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|         numberFormat(NULL),
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|         pluralRules(NULL),
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|         fWidth(UMEASFMT_WIDTH_SHORT),
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|         listFormatter(NULL) {
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| }
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| 
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| MeasureFormat::~MeasureFormat() {
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|     if (cache != NULL) {
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|         cache->removeRef();
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|     }
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|     if (numberFormat != NULL) {
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|         numberFormat->removeRef();
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|     }
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|     if (pluralRules != NULL) {
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|         pluralRules->removeRef();
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|     }
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|     delete listFormatter;
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| }
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| 
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| bool MeasureFormat::operator==(const Format &other) const {
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|     if (this == &other) { // Same object, equal
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|         return true;
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|     }
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|     if (!Format::operator==(other)) {
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|         return false;
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|     }
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|     const MeasureFormat &rhs = static_cast<const MeasureFormat &>(other);
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| 
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|     // Note: Since the ListFormatter depends only on Locale and width, we
 | |
|     // don't have to check it here.
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| 
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|     // differing widths aren't equivalent
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|     if (fWidth != rhs.fWidth) {
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|         return false;
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|     }
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|     // Width the same check locales.
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|     // We don't need to check locales if both objects have same cache.
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|     if (cache != rhs.cache) {
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|         UErrorCode status = U_ZERO_ERROR;
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|         const char *localeId = getLocaleID(status);
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|         const char *rhsLocaleId = rhs.getLocaleID(status);
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|         if (U_FAILURE(status)) {
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|             // On failure, assume not equal
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|             return false;
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|         }
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|         if (uprv_strcmp(localeId, rhsLocaleId) != 0) {
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|             return false;
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|         }
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|     }
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|     // Locales same, check NumberFormat if shared data differs.
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|     return (
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|             numberFormat == rhs.numberFormat ||
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|             **numberFormat == **rhs.numberFormat);
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| }
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| 
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| MeasureFormat *MeasureFormat::clone() const {
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|     return new MeasureFormat(*this);
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| }
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| 
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| UnicodeString &MeasureFormat::format(
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|         const Formattable &obj,
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|         UnicodeString &appendTo,
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|         FieldPosition &pos,
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|         UErrorCode &status) const {
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|     if (U_FAILURE(status)) return appendTo;
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|     if (obj.getType() == Formattable::kObject) {
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|         const UObject* formatObj = obj.getObject();
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|         const Measure* amount = dynamic_cast<const Measure*>(formatObj);
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|         if (amount != NULL) {
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|             return formatMeasure(
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|                     *amount, **numberFormat, appendTo, pos, status);
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|         }
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|     }
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|     status = U_ILLEGAL_ARGUMENT_ERROR;
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|     return appendTo;
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| }
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| 
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| void MeasureFormat::parseObject(
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|         const UnicodeString & /*source*/,
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|         Formattable & /*result*/,
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|         ParsePosition& /*pos*/) const {
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|     return;
 | |
| }
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| 
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| UnicodeString &MeasureFormat::formatMeasurePerUnit(
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|         const Measure &measure,
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|         const MeasureUnit &perUnit,
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|         UnicodeString &appendTo,
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|         FieldPosition &pos,
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|         UErrorCode &status) const {
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|     if (U_FAILURE(status)) {
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|         return appendTo;
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|     }
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|     auto* df = dynamic_cast<const DecimalFormat*>(&getNumberFormatInternal());
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|     if (df == nullptr) {
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|         // Don't know how to handle other types of NumberFormat
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|         status = U_UNSUPPORTED_ERROR;
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|         return appendTo;
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|     }
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|     UFormattedNumberData result;
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|     if (auto* lnf = df->toNumberFormatter(status)) {
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|         result.quantity.setToDouble(measure.getNumber().getDouble(status));
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|         lnf->unit(measure.getUnit())
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|             .perUnit(perUnit)
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|             .unitWidth(getUnitWidth(fWidth))
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|             .formatImpl(&result, status);
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|     }
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|     DecimalFormat::fieldPositionHelper(result, pos, appendTo.length(), status);
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|     appendTo.append(result.toTempString(status));
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|     return appendTo;
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| }
 | |
| 
 | |
| UnicodeString &MeasureFormat::formatMeasures(
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|         const Measure *measures,
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|         int32_t measureCount,
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|         UnicodeString &appendTo,
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|         FieldPosition &pos,
 | |
|         UErrorCode &status) const {
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|     if (U_FAILURE(status)) {
 | |
|         return appendTo;
 | |
|     }
 | |
|     if (measureCount == 0) {
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|         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 == 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;
 | |
| }
 | |
| 
 | |
| 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 == 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, fWidth, NULL, 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)) {
 | |
|         UChar 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 */
 |