1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (C) 1997-2016, International Business Machines Corporation and
6 * others. All Rights Reserved.
7 *******************************************************************************
8 *
9 * File DCFMTSYM.CPP
10 *
11 * Modification History:
12 *
13 *   Date        Name        Description
14 *   02/19/97    aliu        Converted from java.
15 *   03/18/97    clhuang     Implemented with C++ APIs.
16 *   03/27/97    helena      Updated to pass the simple test after code review.
17 *   08/26/97    aliu        Added currency/intl currency symbol support.
18 *   07/20/98    stephen     Slightly modified initialization of monetarySeparator
19 ********************************************************************************
20 */
21 
22 #include "unicode/utypes.h"
23 
24 #if !UCONFIG_NO_FORMATTING
25 
26 #include "unicode/dcfmtsym.h"
27 #include "unicode/ures.h"
28 #include "unicode/decimfmt.h"
29 #include "unicode/ucurr.h"
30 #include "unicode/choicfmt.h"
31 #include "unicode/unistr.h"
32 #include "unicode/numsys.h"
33 #include "unicode/unum.h"
34 #include "unicode/utf16.h"
35 #include "ucurrimp.h"
36 #include "cstring.h"
37 #include "locbased.h"
38 #include "uresimp.h"
39 #include "ureslocs.h"
40 #include "charstr.h"
41 #include "uassert.h"
42 
43 // *****************************************************************************
44 // class DecimalFormatSymbols
45 // *****************************************************************************
46 
47 U_NAMESPACE_BEGIN
48 
49 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DecimalFormatSymbols)
50 
51 static const char gNumberElements[] = "NumberElements";
52 static const char gCurrencySpacingTag[] = "currencySpacing";
53 static const char gBeforeCurrencyTag[] = "beforeCurrency";
54 static const char gAfterCurrencyTag[] = "afterCurrency";
55 static const char gCurrencyMatchTag[] = "currencyMatch";
56 static const char gCurrencySudMatchTag[] = "surroundingMatch";
57 static const char gCurrencyInsertBtnTag[] = "insertBetween";
58 static const char gLatn[] =  "latn";
59 static const char gSymbols[] = "symbols";
60 static const char gNumberElementsLatnSymbols[] = "NumberElements/latn/symbols";
61 
62 static const UChar INTL_CURRENCY_SYMBOL_STR[] = {0xa4, 0xa4, 0};
63 
64 // List of field names to be loaded from the data files.
65 // These are parallel with the enum ENumberFormatSymbol in unicode/dcfmtsym.h.
66 static const char *gNumberElementKeys[DecimalFormatSymbols::kFormatSymbolCount] = {
67     "decimal",
68     "group",
69     NULL, /* #11897: the <list> symbol is NOT the pattern separator symbol */
70     "percentSign",
71     NULL, /* Native zero digit is deprecated from CLDR - get it from the numbering system */
72     NULL, /* Pattern digit character is deprecated from CLDR - use # by default always */
73     "minusSign",
74     "plusSign",
75     NULL, /* currency symbol - Wait until we know the currency before loading from CLDR */
76     NULL, /* intl currency symbol - Wait until we know the currency before loading from CLDR */
77     "currencyDecimal",
78     "exponential",
79     "perMille",
80     NULL, /* Escape padding character - not in CLDR */
81     "infinity",
82     "nan",
83     NULL, /* Significant digit symbol - not in CLDR */
84     "currencyGroup",
85     NULL, /* one digit - get it from the numbering system */
86     NULL, /* two digit - get it from the numbering system */
87     NULL, /* three digit - get it from the numbering system */
88     NULL, /* four digit - get it from the numbering system */
89     NULL, /* five digit - get it from the numbering system */
90     NULL, /* six digit - get it from the numbering system */
91     NULL, /* seven digit - get it from the numbering system */
92     NULL, /* eight digit - get it from the numbering system */
93     NULL, /* nine digit - get it from the numbering system */
94     "superscriptingExponent", /* Multiplication (x) symbol for exponents */
95 };
96 
97 // -------------------------------------
98 // Initializes this with the decimal format symbols in the default locale.
99 
DecimalFormatSymbols(UErrorCode & status)100 DecimalFormatSymbols::DecimalFormatSymbols(UErrorCode& status)
101         : UObject(), locale(), currPattern(NULL) {
102     initialize(locale, status, TRUE);
103 }
104 
105 // -------------------------------------
106 // Initializes this with the decimal format symbols in the desired locale.
107 
DecimalFormatSymbols(const Locale & loc,UErrorCode & status)108 DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, UErrorCode& status)
109         : UObject(), locale(loc), currPattern(NULL) {
110     initialize(locale, status);
111 }
112 
DecimalFormatSymbols(const Locale & loc,const NumberingSystem & ns,UErrorCode & status)113 DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, const NumberingSystem& ns, UErrorCode& status)
114         : UObject(), locale(loc), currPattern(NULL) {
115     initialize(locale, status, FALSE, &ns);
116 }
117 
DecimalFormatSymbols()118 DecimalFormatSymbols::DecimalFormatSymbols()
119         : UObject(), locale(Locale::getRoot()), currPattern(NULL) {
120     *validLocale = *actualLocale = 0;
121     initialize();
122 }
123 
124 DecimalFormatSymbols*
createWithLastResortData(UErrorCode & status)125 DecimalFormatSymbols::createWithLastResortData(UErrorCode& status) {
126     if (U_FAILURE(status)) { return NULL; }
127     DecimalFormatSymbols* sym = new DecimalFormatSymbols();
128     if (sym == NULL) {
129         status = U_MEMORY_ALLOCATION_ERROR;
130     }
131     return sym;
132 }
133 
134 // -------------------------------------
135 
~DecimalFormatSymbols()136 DecimalFormatSymbols::~DecimalFormatSymbols()
137 {
138 }
139 
140 // -------------------------------------
141 // copy constructor
142 
DecimalFormatSymbols(const DecimalFormatSymbols & source)143 DecimalFormatSymbols::DecimalFormatSymbols(const DecimalFormatSymbols &source)
144     : UObject(source)
145 {
146     *this = source;
147 }
148 
149 // -------------------------------------
150 // assignment operator
151 
152 DecimalFormatSymbols&
operator =(const DecimalFormatSymbols & rhs)153 DecimalFormatSymbols::operator=(const DecimalFormatSymbols& rhs)
154 {
155     if (this != &rhs) {
156         for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
157             // fastCopyFrom is safe, see docs on fSymbols
158             fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(rhs.fSymbols[(ENumberFormatSymbol)i]);
159         }
160         for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
161             currencySpcBeforeSym[i].fastCopyFrom(rhs.currencySpcBeforeSym[i]);
162             currencySpcAfterSym[i].fastCopyFrom(rhs.currencySpcAfterSym[i]);
163         }
164         locale = rhs.locale;
165         uprv_strcpy(validLocale, rhs.validLocale);
166         uprv_strcpy(actualLocale, rhs.actualLocale);
167         fIsCustomCurrencySymbol = rhs.fIsCustomCurrencySymbol;
168         fIsCustomIntlCurrencySymbol = rhs.fIsCustomIntlCurrencySymbol;
169         fCodePointZero = rhs.fCodePointZero;
170         currPattern = rhs.currPattern;
171     }
172     return *this;
173 }
174 
175 // -------------------------------------
176 
177 UBool
operator ==(const DecimalFormatSymbols & that) const178 DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
179 {
180     if (this == &that) {
181         return TRUE;
182     }
183     if (fIsCustomCurrencySymbol != that.fIsCustomCurrencySymbol) {
184         return FALSE;
185     }
186     if (fIsCustomIntlCurrencySymbol != that.fIsCustomIntlCurrencySymbol) {
187         return FALSE;
188     }
189     for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
190         if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
191             return FALSE;
192         }
193     }
194     for(int32_t i = 0; i < (int32_t)UNUM_CURRENCY_SPACING_COUNT; ++i) {
195         if(currencySpcBeforeSym[i] != that.currencySpcBeforeSym[i]) {
196             return FALSE;
197         }
198         if(currencySpcAfterSym[i] != that.currencySpcAfterSym[i]) {
199             return FALSE;
200         }
201     }
202     // No need to check fCodePointZero since it is based on fSymbols
203     return locale == that.locale &&
204         uprv_strcmp(validLocale, that.validLocale) == 0 &&
205         uprv_strcmp(actualLocale, that.actualLocale) == 0;
206 }
207 
208 // -------------------------------------
209 
210 namespace {
211 
212 /**
213  * Sink for enumerating all of the decimal format symbols (more specifically, anything
214  * under the "NumberElements.symbols" tree).
215  *
216  * More specific bundles (en_GB) are enumerated before their parents (en_001, en, root):
217  * Only store a value if it is still missing, that is, it has not been overridden.
218  */
219 struct DecFmtSymDataSink : public ResourceSink {
220 
221     // Destination for data, modified via setters.
222     DecimalFormatSymbols& dfs;
223     // Boolean array of whether or not we have seen a particular symbol yet.
224     // Can't simpy check fSymbols because it is pre-populated with defaults.
225     UBool seenSymbol[DecimalFormatSymbols::kFormatSymbolCount];
226 
227     // Constructor/Destructor
DecFmtSymDataSink__anoncc388efd0111::DecFmtSymDataSink228     DecFmtSymDataSink(DecimalFormatSymbols& _dfs) : dfs(_dfs) {
229         uprv_memset(seenSymbol, FALSE, sizeof(seenSymbol));
230     }
231     virtual ~DecFmtSymDataSink();
232 
put__anoncc388efd0111::DecFmtSymDataSink233     virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
234             UErrorCode &errorCode) {
235         ResourceTable symbolsTable = value.getTable(errorCode);
236         if (U_FAILURE(errorCode)) { return; }
237         for (int32_t j = 0; symbolsTable.getKeyAndValue(j, key, value); ++j) {
238             for (int32_t i=0; i<DecimalFormatSymbols::kFormatSymbolCount; i++) {
239                 if (gNumberElementKeys[i] != NULL && uprv_strcmp(key, gNumberElementKeys[i]) == 0) {
240                     if (!seenSymbol[i]) {
241                         seenSymbol[i] = TRUE;
242                         dfs.setSymbol(
243                             (DecimalFormatSymbols::ENumberFormatSymbol) i,
244                             value.getUnicodeString(errorCode));
245                         if (U_FAILURE(errorCode)) { return; }
246                     }
247                     break;
248                 }
249             }
250         }
251     }
252 
253     // Returns true if all the symbols have been seen.
seenAll__anoncc388efd0111::DecFmtSymDataSink254     UBool seenAll() {
255         for (int32_t i=0; i<DecimalFormatSymbols::kFormatSymbolCount; i++) {
256             if (!seenSymbol[i]) {
257                 return FALSE;
258             }
259         }
260         return TRUE;
261     }
262 
263     // If monetary decimal or grouping were not explicitly set, then set them to be the
264     // same as their non-monetary counterparts.
resolveMissingMonetarySeparators__anoncc388efd0111::DecFmtSymDataSink265     void resolveMissingMonetarySeparators(const UnicodeString* fSymbols) {
266         if (!seenSymbol[DecimalFormatSymbols::kMonetarySeparatorSymbol]) {
267             dfs.setSymbol(
268                 DecimalFormatSymbols::kMonetarySeparatorSymbol,
269                 fSymbols[DecimalFormatSymbols::kDecimalSeparatorSymbol]);
270         }
271         if (!seenSymbol[DecimalFormatSymbols::kMonetaryGroupingSeparatorSymbol]) {
272             dfs.setSymbol(
273                 DecimalFormatSymbols::kMonetaryGroupingSeparatorSymbol,
274                 fSymbols[DecimalFormatSymbols::kGroupingSeparatorSymbol]);
275         }
276     }
277 };
278 
279 struct CurrencySpacingSink : public ResourceSink {
280     DecimalFormatSymbols& dfs;
281     UBool hasBeforeCurrency;
282     UBool hasAfterCurrency;
283 
CurrencySpacingSink__anoncc388efd0111::CurrencySpacingSink284     CurrencySpacingSink(DecimalFormatSymbols& _dfs)
285         : dfs(_dfs), hasBeforeCurrency(FALSE), hasAfterCurrency(FALSE) {}
286     virtual ~CurrencySpacingSink();
287 
put__anoncc388efd0111::CurrencySpacingSink288     virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
289             UErrorCode &errorCode) {
290         ResourceTable spacingTypesTable = value.getTable(errorCode);
291         for (int32_t i = 0; spacingTypesTable.getKeyAndValue(i, key, value); ++i) {
292             UBool beforeCurrency;
293             if (uprv_strcmp(key, gBeforeCurrencyTag) == 0) {
294                 beforeCurrency = TRUE;
295                 hasBeforeCurrency = TRUE;
296             } else if (uprv_strcmp(key, gAfterCurrencyTag) == 0) {
297                 beforeCurrency = FALSE;
298                 hasAfterCurrency = TRUE;
299             } else {
300                 continue;
301             }
302 
303             ResourceTable patternsTable = value.getTable(errorCode);
304             for (int32_t j = 0; patternsTable.getKeyAndValue(j, key, value); ++j) {
305                 UCurrencySpacing pattern;
306                 if (uprv_strcmp(key, gCurrencyMatchTag) == 0) {
307                     pattern = UNUM_CURRENCY_MATCH;
308                 } else if (uprv_strcmp(key, gCurrencySudMatchTag) == 0) {
309                     pattern = UNUM_CURRENCY_SURROUNDING_MATCH;
310                 } else if (uprv_strcmp(key, gCurrencyInsertBtnTag) == 0) {
311                     pattern = UNUM_CURRENCY_INSERT;
312                 } else {
313                     continue;
314                 }
315 
316                 const UnicodeString& current = dfs.getPatternForCurrencySpacing(
317                     pattern, beforeCurrency, errorCode);
318                 if (current.isEmpty()) {
319                     dfs.setPatternForCurrencySpacing(
320                         pattern, beforeCurrency, value.getUnicodeString(errorCode));
321                 }
322             }
323         }
324     }
325 
resolveMissing__anoncc388efd0111::CurrencySpacingSink326     void resolveMissing() {
327         // For consistency with Java, this method overwrites everything with the defaults unless
328         // both beforeCurrency and afterCurrency were found in CLDR.
329         static const char* defaults[] = { "[:letter:]", "[:digit:]", " " };
330         if (!hasBeforeCurrency || !hasAfterCurrency) {
331             for (UBool beforeCurrency = 0; beforeCurrency <= TRUE; beforeCurrency++) {
332                 for (int32_t pattern = 0; pattern < UNUM_CURRENCY_SPACING_COUNT; pattern++) {
333                     dfs.setPatternForCurrencySpacing((UCurrencySpacing)pattern,
334                         beforeCurrency, UnicodeString(defaults[pattern], -1, US_INV));
335                 }
336             }
337         }
338     }
339 };
340 
341 // Virtual destructors must be defined out of line.
~DecFmtSymDataSink()342 DecFmtSymDataSink::~DecFmtSymDataSink() {}
~CurrencySpacingSink()343 CurrencySpacingSink::~CurrencySpacingSink() {}
344 
345 } // namespace
346 
347 void
initialize(const Locale & loc,UErrorCode & status,UBool useLastResortData,const NumberingSystem * ns)348 DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status,
349     UBool useLastResortData, const NumberingSystem* ns)
350 {
351     if (U_FAILURE(status)) { return; }
352     *validLocale = *actualLocale = 0;
353 
354     // First initialize all the symbols to the fallbacks for anything we can't find
355     initialize();
356 
357     //
358     // Next get the numbering system for this locale and set zero digit
359     // and the digit string based on the numbering system for the locale
360     //
361     LocalPointer<NumberingSystem> nsLocal;
362     if (ns == nullptr) {
363         // Use the numbering system according to the locale.
364         // Save it into a LocalPointer so it gets cleaned up.
365         nsLocal.adoptInstead(NumberingSystem::createInstance(loc, status));
366         ns = nsLocal.getAlias();
367     }
368     const char *nsName;
369     if (U_SUCCESS(status) && ns->getRadix() == 10 && !ns->isAlgorithmic()) {
370         nsName = ns->getName();
371         UnicodeString digitString(ns->getDescription());
372         int32_t digitIndex = 0;
373         UChar32 digit = digitString.char32At(0);
374         fSymbols[kZeroDigitSymbol].setTo(digit);
375         for (int32_t i = kOneDigitSymbol; i <= kNineDigitSymbol; ++i) {
376             digitIndex += U16_LENGTH(digit);
377             digit = digitString.char32At(digitIndex);
378             fSymbols[i].setTo(digit);
379         }
380     } else {
381         nsName = gLatn;
382     }
383 
384     // Open resource bundles
385     const char* locStr = loc.getName();
386     LocalUResourceBundlePointer resource(ures_open(NULL, locStr, &status));
387     LocalUResourceBundlePointer numberElementsRes(
388         ures_getByKeyWithFallback(resource.getAlias(), gNumberElements, NULL, &status));
389 
390     if (U_FAILURE(status)) {
391         if ( useLastResortData ) {
392             status = U_USING_DEFAULT_WARNING;
393             initialize();
394         }
395         return;
396     }
397 
398     // Set locale IDs
399     // TODO: Is there a way to do this without depending on the resource bundle instance?
400     U_LOCALE_BASED(locBased, *this);
401     locBased.setLocaleIDs(
402         ures_getLocaleByType(
403             numberElementsRes.getAlias(),
404             ULOC_VALID_LOCALE, &status),
405         ures_getLocaleByType(
406             numberElementsRes.getAlias(),
407             ULOC_ACTUAL_LOCALE, &status));
408 
409     // Now load the rest of the data from the data sink.
410     // Start with loading this nsName if it is not Latin.
411     DecFmtSymDataSink sink(*this);
412     if (uprv_strcmp(nsName, gLatn) != 0) {
413         CharString path;
414         path.append(gNumberElements, status)
415             .append('/', status)
416             .append(nsName, status)
417             .append('/', status)
418             .append(gSymbols, status);
419         ures_getAllItemsWithFallback(resource.getAlias(), path.data(), sink, status);
420 
421         // If no symbols exist for the given nsName and resource bundle, silently ignore
422         // and fall back to Latin.
423         if (status == U_MISSING_RESOURCE_ERROR) {
424             status = U_ZERO_ERROR;
425         } else if (U_FAILURE(status)) {
426             return;
427         }
428     }
429 
430     // Continue with Latin if necessary.
431     if (!sink.seenAll()) {
432         ures_getAllItemsWithFallback(resource.getAlias(), gNumberElementsLatnSymbols, sink, status);
433         if (U_FAILURE(status)) { return; }
434     }
435 
436     // Let the monetary number separators equal the default number separators if necessary.
437     sink.resolveMissingMonetarySeparators(fSymbols);
438 
439     // Resolve codePointZero
440     UChar32 tempCodePointZero = -1;
441     for (int32_t i=0; i<=9; i++) {
442         const UnicodeString& stringDigit = getConstDigitSymbol(i);
443         if (stringDigit.countChar32() != 1) {
444             tempCodePointZero = -1;
445             break;
446         }
447         UChar32 cp = stringDigit.char32At(0);
448         if (i == 0) {
449             tempCodePointZero = cp;
450         } else if (cp != tempCodePointZero + i) {
451             tempCodePointZero = -1;
452             break;
453         }
454     }
455     fCodePointZero = tempCodePointZero;
456 
457     // Get the default currency from the currency API.
458     UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
459     UChar curriso[4];
460     UnicodeString tempStr;
461     int32_t currisoLength = ucurr_forLocale(locStr, curriso, UPRV_LENGTHOF(curriso), &internalStatus);
462     if (U_SUCCESS(internalStatus) && currisoLength == 3) {
463         setCurrency(curriso, status);
464     } else {
465         setCurrency(nullptr, status);
466     }
467 
468     // Currency Spacing.
469     LocalUResourceBundlePointer currencyResource(ures_open(U_ICUDATA_CURR, locStr, &status));
470     CurrencySpacingSink currencySink(*this);
471     ures_getAllItemsWithFallback(currencyResource.getAlias(), gCurrencySpacingTag, currencySink, status);
472     currencySink.resolveMissing();
473     if (U_FAILURE(status)) { return; }
474 }
475 
476 void
initialize()477 DecimalFormatSymbols::initialize() {
478     /*
479      * These strings used to be in static arrays, but the HP/UX aCC compiler
480      * cannot initialize a static array with class constructors.
481      *  markus 2000may25
482      */
483     fSymbols[kDecimalSeparatorSymbol] = (UChar)0x2e;    // '.' decimal separator
484     fSymbols[kGroupingSeparatorSymbol].remove();        //     group (thousands) separator
485     fSymbols[kPatternSeparatorSymbol] = (UChar)0x3b;    // ';' pattern separator
486     fSymbols[kPercentSymbol] = (UChar)0x25;             // '%' percent sign
487     fSymbols[kZeroDigitSymbol] = (UChar)0x30;           // '0' native 0 digit
488     fSymbols[kOneDigitSymbol] = (UChar)0x31;            // '1' native 1 digit
489     fSymbols[kTwoDigitSymbol] = (UChar)0x32;            // '2' native 2 digit
490     fSymbols[kThreeDigitSymbol] = (UChar)0x33;          // '3' native 3 digit
491     fSymbols[kFourDigitSymbol] = (UChar)0x34;           // '4' native 4 digit
492     fSymbols[kFiveDigitSymbol] = (UChar)0x35;           // '5' native 5 digit
493     fSymbols[kSixDigitSymbol] = (UChar)0x36;            // '6' native 6 digit
494     fSymbols[kSevenDigitSymbol] = (UChar)0x37;          // '7' native 7 digit
495     fSymbols[kEightDigitSymbol] = (UChar)0x38;          // '8' native 8 digit
496     fSymbols[kNineDigitSymbol] = (UChar)0x39;           // '9' native 9 digit
497     fSymbols[kDigitSymbol] = (UChar)0x23;               // '#' pattern digit
498     fSymbols[kPlusSignSymbol] = (UChar)0x002b;          // '+' plus sign
499     fSymbols[kMinusSignSymbol] = (UChar)0x2d;           // '-' minus sign
500     fSymbols[kCurrencySymbol] = (UChar)0xa4;            // 'OX' currency symbol
501     fSymbols[kIntlCurrencySymbol].setTo(TRUE, INTL_CURRENCY_SYMBOL_STR, 2);
502     fSymbols[kMonetarySeparatorSymbol] = (UChar)0x2e;   // '.' monetary decimal separator
503     fSymbols[kExponentialSymbol] = (UChar)0x45;         // 'E' exponential
504     fSymbols[kPerMillSymbol] = (UChar)0x2030;           // '%o' per mill
505     fSymbols[kPadEscapeSymbol] = (UChar)0x2a;           // '*' pad escape symbol
506     fSymbols[kInfinitySymbol] = (UChar)0x221e;          // 'oo' infinite
507     fSymbols[kNaNSymbol] = (UChar)0xfffd;               // SUB NaN
508     fSymbols[kSignificantDigitSymbol] = (UChar)0x0040;  // '@' significant digit
509     fSymbols[kMonetaryGroupingSeparatorSymbol].remove(); //
510     fSymbols[kExponentMultiplicationSymbol] = (UChar)0xd7; // 'x' multiplication symbol for exponents
511     fIsCustomCurrencySymbol = FALSE;
512     fIsCustomIntlCurrencySymbol = FALSE;
513     fCodePointZero = 0x30;
514     U_ASSERT(fCodePointZero == fSymbols[kZeroDigitSymbol].char32At(0));
515     currPattern = nullptr;
516 
517 }
518 
setCurrency(const UChar * currency,UErrorCode & status)519 void DecimalFormatSymbols::setCurrency(const UChar* currency, UErrorCode& status) {
520     // TODO: If this method is made public:
521     // - Adopt ICU4J behavior of not allowing currency to be null.
522     // - Also verify that the length of currency is 3.
523     if (!currency) {
524         return;
525     }
526 
527     UnicodeString tempStr;
528     uprv_getStaticCurrencyName(currency, locale.getName(), tempStr, status);
529     if (U_SUCCESS(status)) {
530         fSymbols[kIntlCurrencySymbol].setTo(currency, 3);
531         fSymbols[kCurrencySymbol] = tempStr;
532     }
533 
534     char cc[4]={0};
535     u_UCharsToChars(currency, cc, 3);
536 
537     /* An explicit currency was requested */
538     // TODO(ICU-13297): Move this data loading logic into a centralized place
539     UErrorCode localStatus = U_ZERO_ERROR;
540     LocalUResourceBundlePointer rbTop(ures_open(U_ICUDATA_CURR, locale.getName(), &localStatus));
541     LocalUResourceBundlePointer rb(
542         ures_getByKeyWithFallback(rbTop.getAlias(), "Currencies", NULL, &localStatus));
543     ures_getByKeyWithFallback(rb.getAlias(), cc, rb.getAlias(), &localStatus);
544     if(U_SUCCESS(localStatus) && ures_getSize(rb.getAlias())>2) { // the length is 3 if more data is present
545         ures_getByIndex(rb.getAlias(), 2, rb.getAlias(), &localStatus);
546         int32_t currPatternLen = 0;
547         currPattern =
548             ures_getStringByIndex(rb.getAlias(), (int32_t)0, &currPatternLen, &localStatus);
549         UnicodeString decimalSep =
550             ures_getUnicodeStringByIndex(rb.getAlias(), (int32_t)1, &localStatus);
551         UnicodeString groupingSep =
552             ures_getUnicodeStringByIndex(rb.getAlias(), (int32_t)2, &localStatus);
553         if(U_SUCCESS(localStatus)){
554             fSymbols[kMonetaryGroupingSeparatorSymbol] = groupingSep;
555             fSymbols[kMonetarySeparatorSymbol] = decimalSep;
556             //pattern.setTo(TRUE, currPattern, currPatternLen);
557         }
558     }
559     /* else An explicit currency was requested and is unknown or locale data is malformed. */
560     /* ucurr_* API will get the correct value later on. */
561 }
562 
563 Locale
getLocale(ULocDataLocaleType type,UErrorCode & status) const564 DecimalFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
565     U_LOCALE_BASED(locBased, *this);
566     return locBased.getLocale(type, status);
567 }
568 
569 const UnicodeString&
getPatternForCurrencySpacing(UCurrencySpacing type,UBool beforeCurrency,UErrorCode & status) const570 DecimalFormatSymbols::getPatternForCurrencySpacing(UCurrencySpacing type,
571                                                  UBool beforeCurrency,
572                                                  UErrorCode& status) const {
573     if (U_FAILURE(status)) {
574       return fNoSymbol;  // always empty.
575     }
576     if (beforeCurrency) {
577       return currencySpcBeforeSym[(int32_t)type];
578     } else {
579       return currencySpcAfterSym[(int32_t)type];
580     }
581 }
582 
583 void
setPatternForCurrencySpacing(UCurrencySpacing type,UBool beforeCurrency,const UnicodeString & pattern)584 DecimalFormatSymbols::setPatternForCurrencySpacing(UCurrencySpacing type,
585                                                    UBool beforeCurrency,
586                                              const UnicodeString& pattern) {
587   if (beforeCurrency) {
588     currencySpcBeforeSym[(int32_t)type] = pattern;
589   } else {
590     currencySpcAfterSym[(int32_t)type] =  pattern;
591   }
592 }
593 U_NAMESPACE_END
594 
595 #endif /* #if !UCONFIG_NO_FORMATTING */
596 
597 //eof
598