1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4**********************************************************************
5* Copyright (c) 2002-2016, International Business Machines
6* Corporation and others. All Rights Reserved.
7**********************************************************************
8*/
9
10#include "unicode/utypes.h"
11
12#if !UCONFIG_NO_FORMATTING
13
14#include "unicode/ucurr.h"
15#include "unicode/locid.h"
16#include "unicode/ures.h"
17#include "unicode/ustring.h"
18#include "unicode/parsepos.h"
19#include "unicode/uniset.h"
20#include "unicode/usetiter.h"
21#include "unicode/utf16.h"
22#include "ustr_imp.h"
23#include "charstr.h"
24#include "cmemory.h"
25#include "cstring.h"
26#include "static_unicode_sets.h"
27#include "uassert.h"
28#include "umutex.h"
29#include "ucln_cmn.h"
30#include "uenumimp.h"
31#include "uhash.h"
32#include "hash.h"
33#include "uinvchar.h"
34#include "uresimp.h"
35#include "ulist.h"
36#include "uresimp.h"
37#include "ureslocs.h"
38#include "ulocimp.h"
39
40using namespace icu;
41
42//#define UCURR_DEBUG_EQUIV 1
43#ifdef UCURR_DEBUG_EQUIV
44#include "stdio.h"
45#endif
46//#define UCURR_DEBUG 1
47#ifdef UCURR_DEBUG
48#include "stdio.h"
49#endif
50
51typedef struct IsoCodeEntry {
52 const char16_t *isoCode; /* const because it's a reference to a resource bundle string. */
53 UDate from;
54 UDate to;
55} IsoCodeEntry;
56
57//------------------------------------------------------------
58// Constants
59
60// Default currency meta data of last resort. We try to use the
61// defaults encoded in the meta data resource bundle. If there is a
62// configuration/build error and these are not available, we use these
63// hard-coded defaults (which should be identical).
64static const int32_t LAST_RESORT_DATA[] = { 2, 0, 2, 0 };
65
66// POW10[i] = 10^i, i=0..MAX_POW10
67static const int32_t POW10[] = { 1, 10, 100, 1000, 10000, 100000,
68 1000000, 10000000, 100000000, 1000000000 };
69
70static const int32_t MAX_POW10 = UPRV_LENGTHOF(POW10) - 1;
71
72#define ISO_CURRENCY_CODE_LENGTH 3
73
74//------------------------------------------------------------
75// Resource tags
76//
77
78static const char CURRENCY_DATA[] = "supplementalData";
79// Tag for meta-data, in root.
80static const char CURRENCY_META[] = "CurrencyMeta";
81
82// Tag for map from countries to currencies, in root.
83static const char CURRENCY_MAP[] = "CurrencyMap";
84
85// Tag for default meta-data, in CURRENCY_META
86static const char DEFAULT_META[] = "DEFAULT";
87
88// Variant delimiter
89static const char VAR_DELIM = '_';
90
91// Tag for localized display names (symbols) of currencies
92static const char CURRENCIES[] = "Currencies";
93static const char CURRENCIES_NARROW[] = "Currencies%narrow";
94static const char CURRENCIES_FORMAL[] = "Currencies%formal";
95static const char CURRENCIES_VARIANT[] = "Currencies%variant";
96static const char CURRENCYPLURALS[] = "CurrencyPlurals";
97
98// ISO codes mapping table
99static const UHashtable* gIsoCodes = nullptr;
100static icu::UInitOnce gIsoCodesInitOnce {};
101
102// Currency symbol equivalances
103static const icu::Hashtable* gCurrSymbolsEquiv = nullptr;
104static icu::UInitOnce gCurrSymbolsEquivInitOnce {};
105
106U_NAMESPACE_BEGIN
107
108// EquivIterator iterates over all strings that are equivalent to a given
109// string, s. Note that EquivIterator will never yield s itself.
110class EquivIterator : public icu::UMemory {
111public:
112 // Constructor. hash stores the equivalence relationships; s is the string
113 // for which we find equivalent strings.
114 inline EquivIterator(const icu::Hashtable& hash, const icu::UnicodeString& s)
115 : _hash(hash) {
116 _start = _current = &s;
117 }
118 inline ~EquivIterator() { }
119
120 // next returns the next equivalent string or nullptr if there are no more.
121 // If s has no equivalent strings, next returns nullptr on the first call.
122 const icu::UnicodeString *next();
123private:
124 const icu::Hashtable& _hash;
125 const icu::UnicodeString* _start;
126 const icu::UnicodeString* _current;
127};
128
129const icu::UnicodeString *
130EquivIterator::next() {
131 const icu::UnicodeString* _next = (const icu::UnicodeString*) _hash.get(*_current);
132 if (_next == nullptr) {
133 U_ASSERT(_current == _start);
134 return nullptr;
135 }
136 if (*_next == *_start) {
137 return nullptr;
138 }
139 _current = _next;
140 return _next;
141}
142
143U_NAMESPACE_END
144
145// makeEquivalent makes lhs and rhs equivalent by updating the equivalence
146// relations in hash accordingly.
147static void makeEquivalent(
148 const icu::UnicodeString &lhs,
149 const icu::UnicodeString &rhs,
150 icu::Hashtable* hash, UErrorCode &status) {
151 if (U_FAILURE(status)) {
152 return;
153 }
154 if (lhs == rhs) {
155 // already equivalent
156 return;
157 }
158 icu::EquivIterator leftIter(*hash, lhs);
159 icu::EquivIterator rightIter(*hash, rhs);
160 const icu::UnicodeString *firstLeft = leftIter.next();
161 const icu::UnicodeString *firstRight = rightIter.next();
162 const icu::UnicodeString *nextLeft = firstLeft;
163 const icu::UnicodeString *nextRight = firstRight;
164 while (nextLeft != nullptr && nextRight != nullptr) {
165 if (*nextLeft == rhs || *nextRight == lhs) {
166 // Already equivalent
167 return;
168 }
169 nextLeft = leftIter.next();
170 nextRight = rightIter.next();
171 }
172 // Not equivalent. Must join.
173 icu::UnicodeString *newFirstLeft;
174 icu::UnicodeString *newFirstRight;
175 if (firstRight == nullptr && firstLeft == nullptr) {
176 // Neither lhs or rhs belong to an equivalence circle, so we form
177 // a new equivalnce circle of just lhs and rhs.
178 newFirstLeft = new icu::UnicodeString(rhs);
179 newFirstRight = new icu::UnicodeString(lhs);
180 } else if (firstRight == nullptr) {
181 // lhs belongs to an equivalence circle, but rhs does not, so we link
182 // rhs into lhs' circle.
183 newFirstLeft = new icu::UnicodeString(rhs);
184 newFirstRight = new icu::UnicodeString(*firstLeft);
185 } else if (firstLeft == nullptr) {
186 // rhs belongs to an equivlance circle, but lhs does not, so we link
187 // lhs into rhs' circle.
188 newFirstLeft = new icu::UnicodeString(*firstRight);
189 newFirstRight = new icu::UnicodeString(lhs);
190 } else {
191 // Both lhs and rhs belong to different equivalnce circles. We link
192 // them together to form one single, larger equivalnce circle.
193 newFirstLeft = new icu::UnicodeString(*firstRight);
194 newFirstRight = new icu::UnicodeString(*firstLeft);
195 }
196 if (newFirstLeft == nullptr || newFirstRight == nullptr) {
197 delete newFirstLeft;
198 delete newFirstRight;
199 status = U_MEMORY_ALLOCATION_ERROR;
200 return;
201 }
202 hash->put(lhs, (void *) newFirstLeft, status);
203 hash->put(rhs, (void *) newFirstRight, status);
204}
205
206// countEquivalent counts how many strings are equivalent to s.
207// hash stores all the equivalnce relations.
208// countEquivalent does not include s itself in the count.
209static int32_t countEquivalent(const icu::Hashtable &hash, const icu::UnicodeString &s) {
210 int32_t result = 0;
211 icu::EquivIterator iter(hash, s);
212 while (iter.next() != nullptr) {
213 ++result;
214 }
215#ifdef UCURR_DEBUG_EQUIV
216 {
217 char tmp[200];
218 s.extract(0,s.length(),tmp, "UTF-8");
219 printf("CountEquivalent('%s') = %d\n", tmp, result);
220 }
221#endif
222 return result;
223}
224
225static const icu::Hashtable* getCurrSymbolsEquiv();
226
227//------------------------------------------------------------
228// Code
229
230/**
231 * Cleanup callback func
232 */
233static UBool U_CALLCONV
234isoCodes_cleanup()
235{
236 if (gIsoCodes != nullptr) {
237 uhash_close(const_cast<UHashtable *>(gIsoCodes));
238 gIsoCodes = nullptr;
239 }
240 gIsoCodesInitOnce.reset();
241 return true;
242}
243
244/**
245 * Cleanup callback func
246 */
247static UBool U_CALLCONV
248currSymbolsEquiv_cleanup()
249{
250 delete const_cast<icu::Hashtable *>(gCurrSymbolsEquiv);
251 gCurrSymbolsEquiv = nullptr;
252 gCurrSymbolsEquivInitOnce.reset();
253 return true;
254}
255
256/**
257 * Deleter for IsoCodeEntry
258 */
259static void U_CALLCONV
260deleteIsoCodeEntry(void *obj) {
261 IsoCodeEntry *entry = (IsoCodeEntry*)obj;
262 uprv_free(entry);
263}
264
265/**
266 * Deleter for gCurrSymbolsEquiv.
267 */
268static void U_CALLCONV
269deleteUnicode(void *obj) {
270 icu::UnicodeString *entry = (icu::UnicodeString*)obj;
271 delete entry;
272}
273
274/**
275 * Unfortunately, we have to convert the char16_t* currency code to char*
276 * to use it as a resource key.
277 */
278static inline char*
279myUCharsToChars(char* resultOfLen4, const char16_t* currency) {
280 u_UCharsToChars(currency, resultOfLen4, ISO_CURRENCY_CODE_LENGTH);
281 resultOfLen4[ISO_CURRENCY_CODE_LENGTH] = 0;
282 return resultOfLen4;
283}
284
285/**
286 * Internal function to look up currency data. Result is an array of
287 * four integers. The first is the fraction digits. The second is the
288 * rounding increment, or 0 if none. The rounding increment is in
289 * units of 10^(-fraction_digits). The third and fourth are the same
290 * except that they are those used in cash transactions ( cashDigits
291 * and cashRounding ).
292 */
293static const int32_t*
294_findMetaData(const char16_t* currency, UErrorCode& ec) {
295
296 if (currency == 0 || *currency == 0) {
297 if (U_SUCCESS(ec)) {
298 ec = U_ILLEGAL_ARGUMENT_ERROR;
299 }
300 return LAST_RESORT_DATA;
301 }
302
303 // Get CurrencyMeta resource out of root locale file. [This may
304 // move out of the root locale file later; if it does, update this
305 // code.]
306 UResourceBundle* currencyData = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &ec);
307 UResourceBundle* currencyMeta = ures_getByKey(currencyData, CURRENCY_META, currencyData, &ec);
308
309 if (U_FAILURE(ec)) {
310 ures_close(currencyMeta);
311 // Config/build error; return hard-coded defaults
312 return LAST_RESORT_DATA;
313 }
314
315 // Look up our currency, or if that's not available, then DEFAULT
316 char buf[ISO_CURRENCY_CODE_LENGTH+1];
317 UErrorCode ec2 = U_ZERO_ERROR; // local error code: soft failure
318 UResourceBundle* rb = ures_getByKey(currencyMeta, myUCharsToChars(buf, currency), nullptr, &ec2);
319 if (U_FAILURE(ec2)) {
320 ures_close(rb);
321 rb = ures_getByKey(currencyMeta,DEFAULT_META, nullptr, &ec);
322 if (U_FAILURE(ec)) {
323 ures_close(currencyMeta);
324 ures_close(rb);
325 // Config/build error; return hard-coded defaults
326 return LAST_RESORT_DATA;
327 }
328 }
329
330 int32_t len;
331 const int32_t *data = ures_getIntVector(rb, &len, &ec);
332 if (U_FAILURE(ec) || len != 4) {
333 // Config/build error; return hard-coded defaults
334 if (U_SUCCESS(ec)) {
335 ec = U_INVALID_FORMAT_ERROR;
336 }
337 ures_close(currencyMeta);
338 ures_close(rb);
339 return LAST_RESORT_DATA;
340 }
341
342 ures_close(currencyMeta);
343 ures_close(rb);
344 return data;
345}
346
347// -------------------------------------
348
349static void
350idForLocale(const char* locale, char* countryAndVariant, int capacity, UErrorCode* ec)
351{
352 ulocimp_getRegionForSupplementalData(locale, false, countryAndVariant, capacity, ec);
353}
354
355// ------------------------------------------
356//
357// Registration
358//
359//-------------------------------------------
360
361// don't use ICUService since we don't need fallback
362
363U_CDECL_BEGIN
364static UBool U_CALLCONV currency_cleanup();
365U_CDECL_END
366
367#if !UCONFIG_NO_SERVICE
368struct CReg;
369
370static UMutex gCRegLock;
371static CReg* gCRegHead = 0;
372
373struct CReg : public icu::UMemory {
374 CReg *next;
375 char16_t iso[ISO_CURRENCY_CODE_LENGTH+1];
376 char id[ULOC_FULLNAME_CAPACITY];
377
378 CReg(const char16_t* _iso, const char* _id)
379 : next(0)
380 {
381 int32_t len = (int32_t)uprv_strlen(_id);
382 if (len > (int32_t)(sizeof(id)-1)) {
383 len = (sizeof(id)-1);
384 }
385 uprv_strncpy(id, _id, len);
386 id[len] = 0;
387 u_memcpy(iso, _iso, ISO_CURRENCY_CODE_LENGTH);
388 iso[ISO_CURRENCY_CODE_LENGTH] = 0;
389 }
390
391 static UCurrRegistryKey reg(const char16_t* _iso, const char* _id, UErrorCode* status)
392 {
393 if (status && U_SUCCESS(*status) && _iso && _id) {
394 CReg* n = new CReg(_iso, _id);
395 if (n) {
396 umtx_lock(&gCRegLock);
397 if (!gCRegHead) {
398 /* register for the first time */
399 ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup);
400 }
401 n->next = gCRegHead;
402 gCRegHead = n;
403 umtx_unlock(&gCRegLock);
404 return n;
405 }
406 *status = U_MEMORY_ALLOCATION_ERROR;
407 }
408 return 0;
409 }
410
411 static UBool unreg(UCurrRegistryKey key) {
412 UBool found = false;
413 umtx_lock(&gCRegLock);
414
415 CReg** p = &gCRegHead;
416 while (*p) {
417 if (*p == key) {
418 *p = ((CReg*)key)->next;
419 delete (CReg*)key;
420 found = true;
421 break;
422 }
423 p = &((*p)->next);
424 }
425
426 umtx_unlock(&gCRegLock);
427 return found;
428 }
429
430 static const char16_t* get(const char* id) {
431 const char16_t* result = nullptr;
432 umtx_lock(&gCRegLock);
433 CReg* p = gCRegHead;
434
435 /* register cleanup of the mutex */
436 ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup);
437 while (p) {
438 if (uprv_strcmp(id, p->id) == 0) {
439 result = p->iso;
440 break;
441 }
442 p = p->next;
443 }
444 umtx_unlock(&gCRegLock);
445 return result;
446 }
447
448 /* This doesn't need to be thread safe. It's for u_cleanup only. */
449 static void cleanup() {
450 while (gCRegHead) {
451 CReg* n = gCRegHead;
452 gCRegHead = gCRegHead->next;
453 delete n;
454 }
455 }
456};
457
458// -------------------------------------
459
460U_CAPI UCurrRegistryKey U_EXPORT2
461ucurr_register(const char16_t* isoCode, const char* locale, UErrorCode *status)
462{
463 if (status && U_SUCCESS(*status)) {
464 char id[ULOC_FULLNAME_CAPACITY];
465 idForLocale(locale, id, sizeof(id), status);
466 return CReg::reg(isoCode, id, status);
467 }
468 return nullptr;
469}
470
471// -------------------------------------
472
473U_CAPI UBool U_EXPORT2
474ucurr_unregister(UCurrRegistryKey key, UErrorCode* status)
475{
476 if (status && U_SUCCESS(*status)) {
477 return CReg::unreg(key);
478 }
479 return false;
480}
481#endif /* UCONFIG_NO_SERVICE */
482
483// -------------------------------------
484
485/**
486 * Release all static memory held by currency.
487 */
488/*The declaration here is needed so currency_cleanup()
489 * can call this function.
490 */
491static UBool U_CALLCONV
492currency_cache_cleanup();
493
494U_CDECL_BEGIN
495static UBool U_CALLCONV currency_cleanup() {
496#if !UCONFIG_NO_SERVICE
497 CReg::cleanup();
498#endif
499 /*
500 * There might be some cached currency data or isoCodes data.
501 */
502 currency_cache_cleanup();
503 isoCodes_cleanup();
504 currSymbolsEquiv_cleanup();
505
506 return true;
507}
508U_CDECL_END
509
510// -------------------------------------
511
512U_CAPI int32_t U_EXPORT2
513ucurr_forLocale(const char* locale,
514 char16_t* buff,
515 int32_t buffCapacity,
516 UErrorCode* ec) {
517 if (U_FAILURE(*ec)) { return 0; }
518 if (buffCapacity < 0 || (buff == nullptr && buffCapacity > 0)) {
519 *ec = U_ILLEGAL_ARGUMENT_ERROR;
520 return 0;
521 }
522
523 char currency[4]; // ISO currency codes are alpha3 codes.
524 UErrorCode localStatus = U_ZERO_ERROR;
525 int32_t resLen = uloc_getKeywordValue(locale, "currency",
526 currency, UPRV_LENGTHOF(currency), &localStatus);
527 if (U_SUCCESS(localStatus) && resLen == 3 && uprv_isInvariantString(currency, resLen)) {
528 if (resLen < buffCapacity) {
529 T_CString_toUpperCase(currency);
530 u_charsToUChars(currency, buff, resLen);
531 }
532 return u_terminateUChars(buff, buffCapacity, resLen, ec);
533 }
534
535 // get country or country_variant in `id'
536 char id[ULOC_FULLNAME_CAPACITY];
537 idForLocale(locale, id, UPRV_LENGTHOF(id), ec);
538 if (U_FAILURE(*ec)) {
539 return 0;
540 }
541
542#if !UCONFIG_NO_SERVICE
543 const char16_t* result = CReg::get(id);
544 if (result) {
545 if(buffCapacity > u_strlen(result)) {
546 u_strcpy(buff, result);
547 }
548 resLen = u_strlen(result);
549 return u_terminateUChars(buff, buffCapacity, resLen, ec);
550 }
551#endif
552 // Remove variants, which is only needed for registration.
553 char *idDelim = uprv_strchr(id, VAR_DELIM);
554 if (idDelim) {
555 idDelim[0] = 0;
556 }
557
558 const char16_t* s = nullptr; // Currency code from data file.
559 if (id[0] == 0) {
560 // No point looking in the data for an empty string.
561 // This is what we would get.
562 localStatus = U_MISSING_RESOURCE_ERROR;
563 } else {
564 // Look up the CurrencyMap element in the root bundle.
565 localStatus = U_ZERO_ERROR;
566 UResourceBundle *rb = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &localStatus);
567 UResourceBundle *cm = ures_getByKey(rb, CURRENCY_MAP, rb, &localStatus);
568 UResourceBundle *countryArray = ures_getByKey(rb, id, cm, &localStatus);
569 // https://unicode-org.atlassian.net/browse/ICU-21997
570 // Prefer to use currencies that are legal tender.
571 if (U_SUCCESS(localStatus)) {
572 int32_t arrayLength = ures_getSize(countryArray);
573 for (int32_t i = 0; i < arrayLength; ++i) {
574 LocalUResourceBundlePointer currencyReq(
575 ures_getByIndex(countryArray, i, nullptr, &localStatus));
576 // The currency is legal tender if it is *not* marked with tender{"false"}.
577 UErrorCode tenderStatus = localStatus;
578 const char16_t *tender =
579 ures_getStringByKey(currencyReq.getAlias(), "tender", nullptr, &tenderStatus);
580 bool isTender = U_FAILURE(tenderStatus) || u_strcmp(tender, u"false") != 0;
581 if (!isTender && s != nullptr) {
582 // We already have a non-tender currency. Ignore all following non-tender ones.
583 continue;
584 }
585 // Fetch the currency code.
586 s = ures_getStringByKey(currencyReq.getAlias(), "id", &resLen, &localStatus);
587 if (isTender) {
588 break;
589 }
590 }
591 if (U_SUCCESS(localStatus) && s == nullptr) {
592 localStatus = U_MISSING_RESOURCE_ERROR;
593 }
594 }
595 ures_close(countryArray);
596 }
597
598 if ((U_FAILURE(localStatus)) && strchr(id, '_') != 0) {
599 // We don't know about it. Check to see if we support the variant.
600 uloc_getParent(locale, id, UPRV_LENGTHOF(id), ec);
601 *ec = U_USING_FALLBACK_WARNING;
602 // TODO: Loop over the shortened id rather than recursing and
603 // looking again for a currency keyword.
604 return ucurr_forLocale(id, buff, buffCapacity, ec);
605 }
606 if (*ec == U_ZERO_ERROR || localStatus != U_ZERO_ERROR) {
607 // There is nothing to fallback to. Report the failure/warning if possible.
608 *ec = localStatus;
609 }
610 if (U_SUCCESS(*ec)) {
611 if(buffCapacity > resLen) {
612 u_strcpy(buff, s);
613 }
614 }
615 return u_terminateUChars(buff, buffCapacity, resLen, ec);
616}
617
618// end registration
619
620/**
621 * Modify the given locale name by removing the rightmost _-delimited
622 * element. If there is none, empty the string ("" == root).
623 * NOTE: The string "root" is not recognized; do not use it.
624 * @return true if the fallback happened; false if locale is already
625 * root ("").
626 */
627static UBool fallback(char *loc) {
628 if (!*loc) {
629 return false;
630 }
631 UErrorCode status = U_ZERO_ERROR;
632 if (uprv_strcmp(loc, "en_GB") == 0) {
633 // HACK: See #13368. We need "en_GB" to fall back to "en_001" instead of "en"
634 // in order to consume the correct data strings. This hack will be removed
635 // when proper data sink loading is implemented here.
636 // NOTE: "001" adds 1 char over "GB". However, both call sites allocate
637 // arrays with length ULOC_FULLNAME_CAPACITY (plenty of room for en_001).
638 uprv_strcpy(loc + 3, "001");
639 } else {
640 uloc_getParent(loc, loc, (int32_t)uprv_strlen(loc), &status);
641 }
642 /*
643 char *i = uprv_strrchr(loc, '_');
644 if (i == nullptr) {
645 i = loc;
646 }
647 *i = 0;
648 */
649 return true;
650}
651
652
653U_CAPI const char16_t* U_EXPORT2
654ucurr_getName(const char16_t* currency,
655 const char* locale,
656 UCurrNameStyle nameStyle,
657 UBool* isChoiceFormat, // fillin
658 int32_t* len, // fillin
659 UErrorCode* ec) {
660
661 // Look up the Currencies resource for the given locale. The
662 // Currencies locale data looks like this:
663 //|en {
664 //| Currencies {
665 //| USD { "US$", "US Dollar" }
666 //| CHF { "Sw F", "Swiss Franc" }
667 //| INR { "=0#Rs|1#Re|1<Rs", "=0#Rupees|1#Rupee|1<Rupees" }
668 //| //...
669 //| }
670 //|}
671
672 if (U_FAILURE(*ec)) {
673 return 0;
674 }
675
676 int32_t choice = (int32_t) nameStyle;
677 if (choice < 0 || choice > 4) {
678 *ec = U_ILLEGAL_ARGUMENT_ERROR;
679 return 0;
680 }
681
682 // In the future, resource bundles may implement multi-level
683 // fallback. That is, if a currency is not found in the en_US
684 // Currencies data, then the en Currencies data will be searched.
685 // Currently, if a Currencies datum exists in en_US and en, the
686 // en_US entry hides that in en.
687
688 // We want multi-level fallback for this resource, so we implement
689 // it manually.
690
691 // Use a separate UErrorCode here that does not propagate out of
692 // this function.
693 UErrorCode ec2 = U_ZERO_ERROR;
694
695 char loc[ULOC_FULLNAME_CAPACITY];
696 uloc_getName(locale, loc, sizeof(loc), &ec2);
697 if (U_FAILURE(ec2) || ec2 == U_STRING_NOT_TERMINATED_WARNING) {
698 *ec = U_ILLEGAL_ARGUMENT_ERROR;
699 return 0;
700 }
701
702 char buf[ISO_CURRENCY_CODE_LENGTH+1];
703 myUCharsToChars(buf, currency);
704
705 /* Normalize the keyword value to uppercase */
706 T_CString_toUpperCase(buf);
707
708 const char16_t* s = nullptr;
709 ec2 = U_ZERO_ERROR;
710 LocalUResourceBundlePointer rb(ures_open(U_ICUDATA_CURR, loc, &ec2));
711
712 if (nameStyle == UCURR_NARROW_SYMBOL_NAME || nameStyle == UCURR_FORMAL_SYMBOL_NAME || nameStyle == UCURR_VARIANT_SYMBOL_NAME) {
713 CharString key;
714 switch (nameStyle) {
715 case UCURR_NARROW_SYMBOL_NAME:
716 key.append(CURRENCIES_NARROW, ec2);
717 break;
718 case UCURR_FORMAL_SYMBOL_NAME:
719 key.append(CURRENCIES_FORMAL, ec2);
720 break;
721 case UCURR_VARIANT_SYMBOL_NAME:
722 key.append(CURRENCIES_VARIANT, ec2);
723 break;
724 default:
725 *ec = U_UNSUPPORTED_ERROR;
726 return 0;
727 }
728 key.append("/", ec2);
729 key.append(buf, ec2);
730 s = ures_getStringByKeyWithFallback(rb.getAlias(), key.data(), len, &ec2);
731 if (ec2 == U_MISSING_RESOURCE_ERROR) {
732 *ec = U_USING_FALLBACK_WARNING;
733 ec2 = U_ZERO_ERROR;
734 choice = UCURR_SYMBOL_NAME;
735 }
736 }
737 if (s == nullptr) {
738 ures_getByKey(rb.getAlias(), CURRENCIES, rb.getAlias(), &ec2);
739 ures_getByKeyWithFallback(rb.getAlias(), buf, rb.getAlias(), &ec2);
740 s = ures_getStringByIndex(rb.getAlias(), choice, len, &ec2);
741 }
742
743 // If we've succeeded we're done. Otherwise, try to fallback.
744 // If that fails (because we are already at root) then exit.
745 if (U_SUCCESS(ec2)) {
746 if (ec2 == U_USING_DEFAULT_WARNING
747 || (ec2 == U_USING_FALLBACK_WARNING && *ec != U_USING_DEFAULT_WARNING)) {
748 *ec = ec2;
749 }
750 }
751
752 // We no longer support choice format data in names. Data should not contain
753 // choice patterns.
754 if (isChoiceFormat != nullptr) {
755 *isChoiceFormat = false;
756 }
757 if (U_SUCCESS(ec2)) {
758 U_ASSERT(s != nullptr);
759 return s;
760 }
761
762 // If we fail to find a match, use the ISO 4217 code
763 *len = u_strlen(currency); // Should == ISO_CURRENCY_CODE_LENGTH, but maybe not...?
764 *ec = U_USING_DEFAULT_WARNING;
765 return currency;
766}
767
768U_CAPI const char16_t* U_EXPORT2
769ucurr_getPluralName(const char16_t* currency,
770 const char* locale,
771 UBool* isChoiceFormat,
772 const char* pluralCount,
773 int32_t* len, // fillin
774 UErrorCode* ec) {
775 // Look up the Currencies resource for the given locale. The
776 // Currencies locale data looks like this:
777 //|en {
778 //| CurrencyPlurals {
779 //| USD{
780 //| one{"US dollar"}
781 //| other{"US dollars"}
782 //| }
783 //| }
784 //|}
785
786 if (U_FAILURE(*ec)) {
787 return 0;
788 }
789
790 // Use a separate UErrorCode here that does not propagate out of
791 // this function.
792 UErrorCode ec2 = U_ZERO_ERROR;
793
794 char loc[ULOC_FULLNAME_CAPACITY];
795 uloc_getName(locale, loc, sizeof(loc), &ec2);
796 if (U_FAILURE(ec2) || ec2 == U_STRING_NOT_TERMINATED_WARNING) {
797 *ec = U_ILLEGAL_ARGUMENT_ERROR;
798 return 0;
799 }
800
801 char buf[ISO_CURRENCY_CODE_LENGTH+1];
802 myUCharsToChars(buf, currency);
803
804 const char16_t* s = nullptr;
805 ec2 = U_ZERO_ERROR;
806 UResourceBundle* rb = ures_open(U_ICUDATA_CURR, loc, &ec2);
807
808 rb = ures_getByKey(rb, CURRENCYPLURALS, rb, &ec2);
809
810 // Fetch resource with multi-level resource inheritance fallback
811 rb = ures_getByKeyWithFallback(rb, buf, rb, &ec2);
812
813 s = ures_getStringByKeyWithFallback(rb, pluralCount, len, &ec2);
814 if (U_FAILURE(ec2)) {
815 // fall back to "other"
816 ec2 = U_ZERO_ERROR;
817 s = ures_getStringByKeyWithFallback(rb, "other", len, &ec2);
818 if (U_FAILURE(ec2)) {
819 ures_close(rb);
820 // fall back to long name in Currencies
821 return ucurr_getName(currency, locale, UCURR_LONG_NAME,
822 isChoiceFormat, len, ec);
823 }
824 }
825 ures_close(rb);
826
827 // If we've succeeded we're done. Otherwise, try to fallback.
828 // If that fails (because we are already at root) then exit.
829 if (U_SUCCESS(ec2)) {
830 if (ec2 == U_USING_DEFAULT_WARNING
831 || (ec2 == U_USING_FALLBACK_WARNING && *ec != U_USING_DEFAULT_WARNING)) {
832 *ec = ec2;
833 }
834 U_ASSERT(s != nullptr);
835 return s;
836 }
837
838 // If we fail to find a match, use the ISO 4217 code
839 *len = u_strlen(currency); // Should == ISO_CURRENCY_CODE_LENGTH, but maybe not...?
840 *ec = U_USING_DEFAULT_WARNING;
841 return currency;
842}
843
844
845//========================================================================
846// Following are structure and function for parsing currency names
847
848#define NEED_TO_BE_DELETED 0x1
849
850// TODO: a better way to define this?
851#define MAX_CURRENCY_NAME_LEN 100
852
853typedef struct {
854 const char* IsoCode; // key
855 char16_t* currencyName; // value
856 int32_t currencyNameLen; // value length
857 int32_t flag; // flags
858} CurrencyNameStruct;
859
860
861#ifndef MIN
862#define MIN(a,b) (((a)<(b)) ? (a) : (b))
863#endif
864
865#ifndef MAX
866#define MAX(a,b) (((a)<(b)) ? (b) : (a))
867#endif
868
869
870// Comparison function used in quick sort.
871static int U_CALLCONV currencyNameComparator(const void* a, const void* b) {
872 const CurrencyNameStruct* currName_1 = (const CurrencyNameStruct*)a;
873 const CurrencyNameStruct* currName_2 = (const CurrencyNameStruct*)b;
874 for (int32_t i = 0;
875 i < MIN(currName_1->currencyNameLen, currName_2->currencyNameLen);
876 ++i) {
877 if (currName_1->currencyName[i] < currName_2->currencyName[i]) {
878 return -1;
879 }
880 if (currName_1->currencyName[i] > currName_2->currencyName[i]) {
881 return 1;
882 }
883 }
884 if (currName_1->currencyNameLen < currName_2->currencyNameLen) {
885 return -1;
886 } else if (currName_1->currencyNameLen > currName_2->currencyNameLen) {
887 return 1;
888 }
889 return 0;
890}
891
892
893// Give a locale, return the maximum number of currency names associated with
894// this locale.
895// It gets currency names from resource bundles using fallback.
896// It is the maximum number because in the fallback chain, some of the
897// currency names are duplicated.
898// For example, given locale as "en_US", the currency names get from resource
899// bundle in "en_US" and "en" are duplicated. The fallback mechanism will count
900// all currency names in "en_US" and "en".
901static void
902getCurrencyNameCount(const char* loc, int32_t* total_currency_name_count, int32_t* total_currency_symbol_count) {
903 U_NAMESPACE_USE
904 *total_currency_name_count = 0;
905 *total_currency_symbol_count = 0;
906 const char16_t* s = nullptr;
907 char locale[ULOC_FULLNAME_CAPACITY] = "";
908 uprv_strcpy(locale, loc);
909 const icu::Hashtable *currencySymbolsEquiv = getCurrSymbolsEquiv();
910 for (;;) {
911 UErrorCode ec2 = U_ZERO_ERROR;
912 // TODO: ures_openDirect?
913 UResourceBundle* rb = ures_open(U_ICUDATA_CURR, locale, &ec2);
914 UResourceBundle* curr = ures_getByKey(rb, CURRENCIES, nullptr, &ec2);
915 int32_t n = ures_getSize(curr);
916 for (int32_t i=0; i<n; ++i) {
917 UResourceBundle* names = ures_getByIndex(curr, i, nullptr, &ec2);
918 int32_t len;
919 s = ures_getStringByIndex(names, UCURR_SYMBOL_NAME, &len, &ec2);
920 ++(*total_currency_symbol_count); // currency symbol
921 if (currencySymbolsEquiv != nullptr) {
922 *total_currency_symbol_count += countEquivalent(*currencySymbolsEquiv, UnicodeString(true, s, len));
923 }
924 ++(*total_currency_symbol_count); // iso code
925 ++(*total_currency_name_count); // long name
926 ures_close(names);
927 }
928
929 // currency plurals
930 UErrorCode ec3 = U_ZERO_ERROR;
931 UResourceBundle* curr_p = ures_getByKey(rb, CURRENCYPLURALS, nullptr, &ec3);
932 n = ures_getSize(curr_p);
933 for (int32_t i=0; i<n; ++i) {
934 UResourceBundle* names = ures_getByIndex(curr_p, i, nullptr, &ec3);
935 *total_currency_name_count += ures_getSize(names);
936 ures_close(names);
937 }
938 ures_close(curr_p);
939 ures_close(curr);
940 ures_close(rb);
941
942 if (!fallback(locale)) {
943 break;
944 }
945 }
946}
947
948static char16_t*
949toUpperCase(const char16_t* source, int32_t len, const char* locale) {
950 char16_t* dest = nullptr;
951 UErrorCode ec = U_ZERO_ERROR;
952 int32_t destLen = u_strToUpper(dest, 0, source, len, locale, &ec);
953
954 ec = U_ZERO_ERROR;
955 dest = (char16_t*)uprv_malloc(sizeof(char16_t) * MAX(destLen, len));
956 u_strToUpper(dest, destLen, source, len, locale, &ec);
957 if (U_FAILURE(ec)) {
958 u_memcpy(dest, source, len);
959 }
960 return dest;
961}
962
963
964// Collect all available currency names associated with the given locale
965// (enable fallback chain).
966// Read currenc names defined in resource bundle "Currencies" and
967// "CurrencyPlural", enable fallback chain.
968// return the malloc-ed currency name arrays and the total number of currency
969// names in the array.
970static void
971collectCurrencyNames(const char* locale,
972 CurrencyNameStruct** currencyNames,
973 int32_t* total_currency_name_count,
974 CurrencyNameStruct** currencySymbols,
975 int32_t* total_currency_symbol_count,
976 UErrorCode& ec) {
977 U_NAMESPACE_USE
978 const icu::Hashtable *currencySymbolsEquiv = getCurrSymbolsEquiv();
979 // Look up the Currencies resource for the given locale.
980 UErrorCode ec2 = U_ZERO_ERROR;
981
982 char loc[ULOC_FULLNAME_CAPACITY] = "";
983 uloc_getName(locale, loc, sizeof(loc), &ec2);
984 if (U_FAILURE(ec2) || ec2 == U_STRING_NOT_TERMINATED_WARNING) {
985 ec = U_ILLEGAL_ARGUMENT_ERROR;
986 }
987
988 // Get maximum currency name count first.
989 getCurrencyNameCount(loc, total_currency_name_count, total_currency_symbol_count);
990
991 *currencyNames = (CurrencyNameStruct*)uprv_malloc
992 (sizeof(CurrencyNameStruct) * (*total_currency_name_count));
993 *currencySymbols = (CurrencyNameStruct*)uprv_malloc
994 (sizeof(CurrencyNameStruct) * (*total_currency_symbol_count));
995
996 if(currencyNames == nullptr || currencySymbols == nullptr) {
997 ec = U_MEMORY_ALLOCATION_ERROR;
998 }
999
1000 if (U_FAILURE(ec)) return;
1001
1002 const char16_t* s = nullptr; // currency name
1003 char* iso = nullptr; // currency ISO code
1004
1005 *total_currency_name_count = 0;
1006 *total_currency_symbol_count = 0;
1007
1008 UErrorCode ec3 = U_ZERO_ERROR;
1009 UErrorCode ec4 = U_ZERO_ERROR;
1010
1011 // Using hash to remove duplicates caused by locale fallback
1012 UHashtable* currencyIsoCodes = uhash_open(uhash_hashChars, uhash_compareChars, nullptr, &ec3);
1013 UHashtable* currencyPluralIsoCodes = uhash_open(uhash_hashChars, uhash_compareChars, nullptr, &ec4);
1014 for (int32_t localeLevel = 0; ; ++localeLevel) {
1015 ec2 = U_ZERO_ERROR;
1016 // TODO: ures_openDirect
1017 UResourceBundle* rb = ures_open(U_ICUDATA_CURR, loc, &ec2);
1018 UResourceBundle* curr = ures_getByKey(rb, CURRENCIES, nullptr, &ec2);
1019 int32_t n = ures_getSize(curr);
1020 for (int32_t i=0; i<n; ++i) {
1021 UResourceBundle* names = ures_getByIndex(curr, i, nullptr, &ec2);
1022 int32_t len;
1023 s = ures_getStringByIndex(names, UCURR_SYMBOL_NAME, &len, &ec2);
1024 // TODO: uhash_put wont change key/value?
1025 iso = (char*)ures_getKey(names);
1026 if (localeLevel == 0) {
1027 uhash_put(currencyIsoCodes, iso, iso, &ec3);
1028 } else {
1029 if (uhash_get(currencyIsoCodes, iso) != nullptr) {
1030 ures_close(names);
1031 continue;
1032 } else {
1033 uhash_put(currencyIsoCodes, iso, iso, &ec3);
1034 }
1035 }
1036 // Add currency symbol.
1037 (*currencySymbols)[*total_currency_symbol_count].IsoCode = iso;
1038 (*currencySymbols)[*total_currency_symbol_count].currencyName = (char16_t*)s;
1039 (*currencySymbols)[*total_currency_symbol_count].flag = 0;
1040 (*currencySymbols)[(*total_currency_symbol_count)++].currencyNameLen = len;
1041 // Add equivalent symbols
1042 if (currencySymbolsEquiv != nullptr) {
1043 UnicodeString str(true, s, len);
1044 icu::EquivIterator iter(*currencySymbolsEquiv, str);
1045 const UnicodeString *symbol;
1046 while ((symbol = iter.next()) != nullptr) {
1047 (*currencySymbols)[*total_currency_symbol_count].IsoCode = iso;
1048 (*currencySymbols)[*total_currency_symbol_count].currencyName =
1049 const_cast<char16_t*>(symbol->getBuffer());
1050 (*currencySymbols)[*total_currency_symbol_count].flag = 0;
1051 (*currencySymbols)[(*total_currency_symbol_count)++].currencyNameLen = symbol->length();
1052 }
1053 }
1054
1055 // Add currency long name.
1056 s = ures_getStringByIndex(names, UCURR_LONG_NAME, &len, &ec2);
1057 (*currencyNames)[*total_currency_name_count].IsoCode = iso;
1058 char16_t* upperName = toUpperCase(s, len, locale);
1059 (*currencyNames)[*total_currency_name_count].currencyName = upperName;
1060 (*currencyNames)[*total_currency_name_count].flag = NEED_TO_BE_DELETED;
1061 (*currencyNames)[(*total_currency_name_count)++].currencyNameLen = len;
1062
1063 // put (iso, 3, and iso) in to array
1064 // Add currency ISO code.
1065 (*currencySymbols)[*total_currency_symbol_count].IsoCode = iso;
1066 (*currencySymbols)[*total_currency_symbol_count].currencyName = (char16_t*)uprv_malloc(sizeof(char16_t)*3);
1067 // Must convert iso[] into Unicode
1068 u_charsToUChars(iso, (*currencySymbols)[*total_currency_symbol_count].currencyName, 3);
1069 (*currencySymbols)[*total_currency_symbol_count].flag = NEED_TO_BE_DELETED;
1070 (*currencySymbols)[(*total_currency_symbol_count)++].currencyNameLen = 3;
1071
1072 ures_close(names);
1073 }
1074
1075 // currency plurals
1076 UErrorCode ec5 = U_ZERO_ERROR;
1077 UResourceBundle* curr_p = ures_getByKey(rb, CURRENCYPLURALS, nullptr, &ec5);
1078 n = ures_getSize(curr_p);
1079 for (int32_t i=0; i<n; ++i) {
1080 UResourceBundle* names = ures_getByIndex(curr_p, i, nullptr, &ec5);
1081 iso = (char*)ures_getKey(names);
1082 // Using hash to remove duplicated ISO codes in fallback chain.
1083 if (localeLevel == 0) {
1084 uhash_put(currencyPluralIsoCodes, iso, iso, &ec4);
1085 } else {
1086 if (uhash_get(currencyPluralIsoCodes, iso) != nullptr) {
1087 ures_close(names);
1088 continue;
1089 } else {
1090 uhash_put(currencyPluralIsoCodes, iso, iso, &ec4);
1091 }
1092 }
1093 int32_t num = ures_getSize(names);
1094 int32_t len;
1095 for (int32_t j = 0; j < num; ++j) {
1096 // TODO: remove duplicates between singular name and
1097 // currency long name?
1098 s = ures_getStringByIndex(names, j, &len, &ec5);
1099 (*currencyNames)[*total_currency_name_count].IsoCode = iso;
1100 char16_t* upperName = toUpperCase(s, len, locale);
1101 (*currencyNames)[*total_currency_name_count].currencyName = upperName;
1102 (*currencyNames)[*total_currency_name_count].flag = NEED_TO_BE_DELETED;
1103 (*currencyNames)[(*total_currency_name_count)++].currencyNameLen = len;
1104 }
1105 ures_close(names);
1106 }
1107 ures_close(curr_p);
1108 ures_close(curr);
1109 ures_close(rb);
1110
1111 if (!fallback(loc)) {
1112 break;
1113 }
1114 }
1115
1116 uhash_close(currencyIsoCodes);
1117 uhash_close(currencyPluralIsoCodes);
1118
1119 // quick sort the struct
1120 qsort(*currencyNames, *total_currency_name_count,
1121 sizeof(CurrencyNameStruct), currencyNameComparator);
1122 qsort(*currencySymbols, *total_currency_symbol_count,
1123 sizeof(CurrencyNameStruct), currencyNameComparator);
1124
1125#ifdef UCURR_DEBUG
1126 printf("currency name count: %d\n", *total_currency_name_count);
1127 for (int32_t index = 0; index < *total_currency_name_count; ++index) {
1128 printf("index: %d\n", index);
1129 printf("iso: %s\n", (*currencyNames)[index].IsoCode);
1130 char curNameBuf[1024];
1131 memset(curNameBuf, 0, 1024);
1132 u_austrncpy(curNameBuf, (*currencyNames)[index].currencyName, (*currencyNames)[index].currencyNameLen);
1133 printf("currencyName: %s\n", curNameBuf);
1134 printf("len: %d\n", (*currencyNames)[index].currencyNameLen);
1135 }
1136 printf("currency symbol count: %d\n", *total_currency_symbol_count);
1137 for (int32_t index = 0; index < *total_currency_symbol_count; ++index) {
1138 printf("index: %d\n", index);
1139 printf("iso: %s\n", (*currencySymbols)[index].IsoCode);
1140 char curNameBuf[1024];
1141 memset(curNameBuf, 0, 1024);
1142 u_austrncpy(curNameBuf, (*currencySymbols)[index].currencyName, (*currencySymbols)[index].currencyNameLen);
1143 printf("currencySymbol: %s\n", curNameBuf);
1144 printf("len: %d\n", (*currencySymbols)[index].currencyNameLen);
1145 }
1146#endif
1147 // fail on hashtable errors
1148 if (U_FAILURE(ec3)) {
1149 ec = ec3;
1150 return;
1151 }
1152 if (U_FAILURE(ec4)) {
1153 ec = ec4;
1154 return;
1155 }
1156}
1157
1158// @param currencyNames: currency names array
1159// @param indexInCurrencyNames: the index of the character in currency names
1160// array against which the comparison is done
1161// @param key: input text char to compare against
1162// @param begin(IN/OUT): the begin index of matching range in currency names array
1163// @param end(IN/OUT): the end index of matching range in currency names array.
1164static int32_t
1165binarySearch(const CurrencyNameStruct* currencyNames,
1166 int32_t indexInCurrencyNames,
1167 const char16_t key,
1168 int32_t* begin, int32_t* end) {
1169#ifdef UCURR_DEBUG
1170 printf("key = %x\n", key);
1171#endif
1172 int32_t first = *begin;
1173 int32_t last = *end;
1174 while (first <= last) {
1175 int32_t mid = (first + last) / 2; // compute mid point.
1176 if (indexInCurrencyNames >= currencyNames[mid].currencyNameLen) {
1177 first = mid + 1;
1178 } else {
1179 if (key > currencyNames[mid].currencyName[indexInCurrencyNames]) {
1180 first = mid + 1;
1181 }
1182 else if (key < currencyNames[mid].currencyName[indexInCurrencyNames]) {
1183 last = mid - 1;
1184 }
1185 else {
1186 // Find a match, and looking for ranges
1187 // Now do two more binary searches. First, on the left side for
1188 // the greatest L such that CurrencyNameStruct[L] < key.
1189 int32_t L = *begin;
1190 int32_t R = mid;
1191
1192#ifdef UCURR_DEBUG
1193 printf("mid = %d\n", mid);
1194#endif
1195 while (L < R) {
1196 int32_t M = (L + R) / 2;
1197#ifdef UCURR_DEBUG
1198 printf("L = %d, R = %d, M = %d\n", L, R, M);
1199#endif
1200 if (indexInCurrencyNames >= currencyNames[M].currencyNameLen) {
1201 L = M + 1;
1202 } else {
1203 if (currencyNames[M].currencyName[indexInCurrencyNames] < key) {
1204 L = M + 1;
1205 } else {
1206#ifdef UCURR_DEBUG
1207 U_ASSERT(currencyNames[M].currencyName[indexInCurrencyNames] == key);
1208#endif
1209 R = M;
1210 }
1211 }
1212 }
1213#ifdef UCURR_DEBUG
1214 U_ASSERT(L == R);
1215#endif
1216 *begin = L;
1217#ifdef UCURR_DEBUG
1218 printf("begin = %d\n", *begin);
1219 U_ASSERT(currencyNames[*begin].currencyName[indexInCurrencyNames] == key);
1220#endif
1221
1222 // Now for the second search, finding the least R such that
1223 // key < CurrencyNameStruct[R].
1224 L = mid;
1225 R = *end;
1226 while (L < R) {
1227 int32_t M = (L + R) / 2;
1228#ifdef UCURR_DEBUG
1229 printf("L = %d, R = %d, M = %d\n", L, R, M);
1230#endif
1231 if (currencyNames[M].currencyNameLen < indexInCurrencyNames) {
1232 L = M + 1;
1233 } else {
1234 if (currencyNames[M].currencyName[indexInCurrencyNames] > key) {
1235 R = M;
1236 } else {
1237#ifdef UCURR_DEBUG
1238 U_ASSERT(currencyNames[M].currencyName[indexInCurrencyNames] == key);
1239#endif
1240 L = M + 1;
1241 }
1242 }
1243 }
1244#ifdef UCURR_DEBUG
1245 U_ASSERT(L == R);
1246#endif
1247 if (currencyNames[R].currencyName[indexInCurrencyNames] > key) {
1248 *end = R - 1;
1249 } else {
1250 *end = R;
1251 }
1252#ifdef UCURR_DEBUG
1253 printf("end = %d\n", *end);
1254#endif
1255
1256 // now, found the range. check whether there is exact match
1257 if (currencyNames[*begin].currencyNameLen == indexInCurrencyNames + 1) {
1258 return *begin; // find range and exact match.
1259 }
1260 return -1; // find range, but no exact match.
1261 }
1262 }
1263 }
1264 *begin = -1;
1265 *end = -1;
1266 return -1; // failed to find range.
1267}
1268
1269
1270// Linear search "text" in "currencyNames".
1271// @param begin, end: the begin and end index in currencyNames, within which
1272// range should the search be performed.
1273// @param textLen: the length of the text to be compared
1274// @param maxMatchLen(IN/OUT): passing in the computed max matching length
1275// pass out the new max matching length
1276// @param maxMatchIndex: the index in currencyName which has the longest
1277// match with input text.
1278static void
1279linearSearch(const CurrencyNameStruct* currencyNames,
1280 int32_t begin, int32_t end,
1281 const char16_t* text, int32_t textLen,
1282 int32_t *partialMatchLen,
1283 int32_t *maxMatchLen, int32_t* maxMatchIndex) {
1284 int32_t initialPartialMatchLen = *partialMatchLen;
1285 for (int32_t index = begin; index <= end; ++index) {
1286 int32_t len = currencyNames[index].currencyNameLen;
1287 if (len > *maxMatchLen && len <= textLen &&
1288 uprv_memcmp(currencyNames[index].currencyName, text, len * sizeof(char16_t)) == 0) {
1289 *partialMatchLen = MAX(*partialMatchLen, len);
1290 *maxMatchIndex = index;
1291 *maxMatchLen = len;
1292#ifdef UCURR_DEBUG
1293 printf("maxMatchIndex = %d, maxMatchLen = %d\n",
1294 *maxMatchIndex, *maxMatchLen);
1295#endif
1296 } else {
1297 // Check for partial matches.
1298 for (int32_t i=initialPartialMatchLen; i<MIN(len, textLen); i++) {
1299 if (currencyNames[index].currencyName[i] != text[i]) {
1300 break;
1301 }
1302 *partialMatchLen = MAX(*partialMatchLen, i + 1);
1303 }
1304 }
1305 }
1306}
1307
1308#define LINEAR_SEARCH_THRESHOLD 10
1309
1310// Find longest match between "text" and currency names in "currencyNames".
1311// @param total_currency_count: total number of currency names in CurrencyNames.
1312// @param textLen: the length of the text to be compared
1313// @param maxMatchLen: passing in the computed max matching length
1314// pass out the new max matching length
1315// @param maxMatchIndex: the index in currencyName which has the longest
1316// match with input text.
1317static void
1318searchCurrencyName(const CurrencyNameStruct* currencyNames,
1319 int32_t total_currency_count,
1320 const char16_t* text, int32_t textLen,
1321 int32_t *partialMatchLen,
1322 int32_t* maxMatchLen, int32_t* maxMatchIndex) {
1323 *maxMatchIndex = -1;
1324 *maxMatchLen = 0;
1325 int32_t matchIndex = -1;
1326 int32_t binarySearchBegin = 0;
1327 int32_t binarySearchEnd = total_currency_count - 1;
1328 // It is a variant of binary search.
1329 // For example, given the currency names in currencyNames array are:
1330 // A AB ABC AD AZ B BB BBEX BBEXYZ BS C D E....
1331 // and the input text is BBEXST
1332 // The first round binary search search "B" in the text against
1333 // the first char in currency names, and find the first char matching range
1334 // to be "B BB BBEX BBEXYZ BS" (and the maximum matching "B").
1335 // The 2nd round binary search search the second "B" in the text against
1336 // the 2nd char in currency names, and narrow the matching range to
1337 // "BB BBEX BBEXYZ" (and the maximum matching "BB").
1338 // The 3rd round returns the range as "BBEX BBEXYZ" (without changing
1339 // maximum matching).
1340 // The 4th round returns the same range (the maximum matching is "BBEX").
1341 // The 5th round returns no matching range.
1342 for (int32_t index = 0; index < textLen; ++index) {
1343 // matchIndex saves the one with exact match till the current point.
1344 // [binarySearchBegin, binarySearchEnd] saves the matching range.
1345 matchIndex = binarySearch(currencyNames, index,
1346 text[index],
1347 &binarySearchBegin, &binarySearchEnd);
1348 if (binarySearchBegin == -1) { // did not find the range
1349 break;
1350 }
1351 *partialMatchLen = MAX(*partialMatchLen, index + 1);
1352 if (matchIndex != -1) {
1353 // find an exact match for text from text[0] to text[index]
1354 // in currencyNames array.
1355 *maxMatchLen = index + 1;
1356 *maxMatchIndex = matchIndex;
1357 }
1358 if (binarySearchEnd - binarySearchBegin < LINEAR_SEARCH_THRESHOLD) {
1359 // linear search if within threshold.
1360 linearSearch(currencyNames, binarySearchBegin, binarySearchEnd,
1361 text, textLen,
1362 partialMatchLen,
1363 maxMatchLen, maxMatchIndex);
1364 break;
1365 }
1366 }
1367 return;
1368}
1369
1370//========================= currency name cache =====================
1371typedef struct {
1372 char locale[ULOC_FULLNAME_CAPACITY]; //key
1373 // currency names, case insensitive
1374 CurrencyNameStruct* currencyNames; // value
1375 int32_t totalCurrencyNameCount; // currency name count
1376 // currency symbols and ISO code, case sensitive
1377 CurrencyNameStruct* currencySymbols; // value
1378 int32_t totalCurrencySymbolCount; // count
1379 // reference count.
1380 // reference count is set to 1 when an entry is put to cache.
1381 // it increases by 1 before accessing, and decreased by 1 after accessing.
1382 // The entry is deleted when ref count is zero, which means
1383 // the entry is replaced out of cache and no process is accessing it.
1384 int32_t refCount;
1385} CurrencyNameCacheEntry;
1386
1387
1388#define CURRENCY_NAME_CACHE_NUM 10
1389
1390// Reserve 10 cache entries.
1391static CurrencyNameCacheEntry* currCache[CURRENCY_NAME_CACHE_NUM] = {nullptr};
1392// Using an index to indicate which entry to be replaced when cache is full.
1393// It is a simple round-robin replacement strategy.
1394static int8_t currentCacheEntryIndex = 0;
1395
1396static UMutex gCurrencyCacheMutex;
1397
1398// Cache deletion
1399static void
1400deleteCurrencyNames(CurrencyNameStruct* currencyNames, int32_t count) {
1401 for (int32_t index = 0; index < count; ++index) {
1402 if ( (currencyNames[index].flag & NEED_TO_BE_DELETED) ) {
1403 uprv_free(currencyNames[index].currencyName);
1404 }
1405 }
1406 uprv_free(currencyNames);
1407}
1408
1409
1410static void
1411deleteCacheEntry(CurrencyNameCacheEntry* entry) {
1412 deleteCurrencyNames(entry->currencyNames, entry->totalCurrencyNameCount);
1413 deleteCurrencyNames(entry->currencySymbols, entry->totalCurrencySymbolCount);
1414 uprv_free(entry);
1415}
1416
1417
1418// Cache clean up
1419static UBool U_CALLCONV
1420currency_cache_cleanup() {
1421 for (int32_t i = 0; i < CURRENCY_NAME_CACHE_NUM; ++i) {
1422 if (currCache[i]) {
1423 deleteCacheEntry(currCache[i]);
1424 currCache[i] = 0;
1425 }
1426 }
1427 return true;
1428}
1429
1430
1431/**
1432 * Loads the currency name data from the cache, or from resource bundles if necessary.
1433 * The refCount is automatically incremented. It is the caller's responsibility
1434 * to decrement it when done!
1435 */
1436static CurrencyNameCacheEntry*
1437getCacheEntry(const char* locale, UErrorCode& ec) {
1438
1439 int32_t total_currency_name_count = 0;
1440 CurrencyNameStruct* currencyNames = nullptr;
1441 int32_t total_currency_symbol_count = 0;
1442 CurrencyNameStruct* currencySymbols = nullptr;
1443 CurrencyNameCacheEntry* cacheEntry = nullptr;
1444
1445 umtx_lock(&gCurrencyCacheMutex);
1446 // in order to handle racing correctly,
1447 // not putting 'search' in a separate function.
1448 int8_t found = -1;
1449 for (int8_t i = 0; i < CURRENCY_NAME_CACHE_NUM; ++i) {
1450 if (currCache[i]!= nullptr &&
1451 uprv_strcmp(locale, currCache[i]->locale) == 0) {
1452 found = i;
1453 break;
1454 }
1455 }
1456 if (found != -1) {
1457 cacheEntry = currCache[found];
1458 ++(cacheEntry->refCount);
1459 }
1460 umtx_unlock(&gCurrencyCacheMutex);
1461 if (found == -1) {
1462 collectCurrencyNames(locale, &currencyNames, &total_currency_name_count, &currencySymbols, &total_currency_symbol_count, ec);
1463 if (U_FAILURE(ec)) {
1464 return nullptr;
1465 }
1466 umtx_lock(&gCurrencyCacheMutex);
1467 // check again.
1468 for (int8_t i = 0; i < CURRENCY_NAME_CACHE_NUM; ++i) {
1469 if (currCache[i]!= nullptr &&
1470 uprv_strcmp(locale, currCache[i]->locale) == 0) {
1471 found = i;
1472 break;
1473 }
1474 }
1475 if (found == -1) {
1476 // insert new entry to
1477 // currentCacheEntryIndex % CURRENCY_NAME_CACHE_NUM
1478 // and remove the existing entry
1479 // currentCacheEntryIndex % CURRENCY_NAME_CACHE_NUM
1480 // from cache.
1481 cacheEntry = currCache[currentCacheEntryIndex];
1482 if (cacheEntry) {
1483 --(cacheEntry->refCount);
1484 // delete if the ref count is zero
1485 if (cacheEntry->refCount == 0) {
1486 deleteCacheEntry(cacheEntry);
1487 }
1488 }
1489 cacheEntry = (CurrencyNameCacheEntry*)uprv_malloc(sizeof(CurrencyNameCacheEntry));
1490 currCache[currentCacheEntryIndex] = cacheEntry;
1491 uprv_strcpy(cacheEntry->locale, locale);
1492 cacheEntry->currencyNames = currencyNames;
1493 cacheEntry->totalCurrencyNameCount = total_currency_name_count;
1494 cacheEntry->currencySymbols = currencySymbols;
1495 cacheEntry->totalCurrencySymbolCount = total_currency_symbol_count;
1496 cacheEntry->refCount = 2; // one for cache, one for reference
1497 currentCacheEntryIndex = (currentCacheEntryIndex + 1) % CURRENCY_NAME_CACHE_NUM;
1498 ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup);
1499 } else {
1500 deleteCurrencyNames(currencyNames, total_currency_name_count);
1501 deleteCurrencyNames(currencySymbols, total_currency_symbol_count);
1502 cacheEntry = currCache[found];
1503 ++(cacheEntry->refCount);
1504 }
1505 umtx_unlock(&gCurrencyCacheMutex);
1506 }
1507
1508 return cacheEntry;
1509}
1510
1511static void releaseCacheEntry(CurrencyNameCacheEntry* cacheEntry) {
1512 umtx_lock(&gCurrencyCacheMutex);
1513 --(cacheEntry->refCount);
1514 if (cacheEntry->refCount == 0) { // remove
1515 deleteCacheEntry(cacheEntry);
1516 }
1517 umtx_unlock(&gCurrencyCacheMutex);
1518}
1519
1520U_CAPI void
1521uprv_parseCurrency(const char* locale,
1522 const icu::UnicodeString& text,
1523 icu::ParsePosition& pos,
1524 int8_t type,
1525 int32_t* partialMatchLen,
1526 char16_t* result,
1527 UErrorCode& ec) {
1528 U_NAMESPACE_USE
1529 if (U_FAILURE(ec)) {
1530 return;
1531 }
1532 CurrencyNameCacheEntry* cacheEntry = getCacheEntry(locale, ec);
1533 if (U_FAILURE(ec)) {
1534 return;
1535 }
1536
1537 int32_t total_currency_name_count = cacheEntry->totalCurrencyNameCount;
1538 CurrencyNameStruct* currencyNames = cacheEntry->currencyNames;
1539 int32_t total_currency_symbol_count = cacheEntry->totalCurrencySymbolCount;
1540 CurrencyNameStruct* currencySymbols = cacheEntry->currencySymbols;
1541
1542 int32_t start = pos.getIndex();
1543
1544 char16_t inputText[MAX_CURRENCY_NAME_LEN];
1545 char16_t upperText[MAX_CURRENCY_NAME_LEN];
1546 int32_t textLen = MIN(MAX_CURRENCY_NAME_LEN, text.length() - start);
1547 text.extract(start, textLen, inputText);
1548 UErrorCode ec1 = U_ZERO_ERROR;
1549 textLen = u_strToUpper(upperText, MAX_CURRENCY_NAME_LEN, inputText, textLen, locale, &ec1);
1550
1551 // Make sure partialMatchLen is initialized
1552 *partialMatchLen = 0;
1553
1554 int32_t max = 0;
1555 int32_t matchIndex = -1;
1556 // case in-sensitive comparison against currency names
1557 searchCurrencyName(currencyNames, total_currency_name_count,
1558 upperText, textLen, partialMatchLen, &max, &matchIndex);
1559
1560#ifdef UCURR_DEBUG
1561 printf("search in names, max = %d, matchIndex = %d\n", max, matchIndex);
1562#endif
1563
1564 int32_t maxInSymbol = 0;
1565 int32_t matchIndexInSymbol = -1;
1566 if (type != UCURR_LONG_NAME) { // not name only
1567 // case sensitive comparison against currency symbols and ISO code.
1568 searchCurrencyName(currencySymbols, total_currency_symbol_count,
1569 inputText, textLen,
1570 partialMatchLen,
1571 &maxInSymbol, &matchIndexInSymbol);
1572 }
1573
1574#ifdef UCURR_DEBUG
1575 printf("search in symbols, maxInSymbol = %d, matchIndexInSymbol = %d\n", maxInSymbol, matchIndexInSymbol);
1576 if(matchIndexInSymbol != -1) {
1577 printf("== ISO=%s\n", currencySymbols[matchIndexInSymbol].IsoCode);
1578 }
1579#endif
1580
1581 if (max >= maxInSymbol && matchIndex != -1) {
1582 u_charsToUChars(currencyNames[matchIndex].IsoCode, result, 4);
1583 pos.setIndex(start + max);
1584 } else if (maxInSymbol >= max && matchIndexInSymbol != -1) {
1585 u_charsToUChars(currencySymbols[matchIndexInSymbol].IsoCode, result, 4);
1586 pos.setIndex(start + maxInSymbol);
1587 }
1588
1589 // decrease reference count
1590 releaseCacheEntry(cacheEntry);
1591}
1592
1593void uprv_currencyLeads(const char* locale, icu::UnicodeSet& result, UErrorCode& ec) {
1594 U_NAMESPACE_USE
1595 if (U_FAILURE(ec)) {
1596 return;
1597 }
1598 CurrencyNameCacheEntry* cacheEntry = getCacheEntry(locale, ec);
1599 if (U_FAILURE(ec)) {
1600 return;
1601 }
1602
1603 for (int32_t i=0; i<cacheEntry->totalCurrencySymbolCount; i++) {
1604 const CurrencyNameStruct& info = cacheEntry->currencySymbols[i];
1605 UChar32 cp;
1606 U16_GET(info.currencyName, 0, 0, info.currencyNameLen, cp);
1607 result.add(cp);
1608 }
1609
1610 for (int32_t i=0; i<cacheEntry->totalCurrencyNameCount; i++) {
1611 const CurrencyNameStruct& info = cacheEntry->currencyNames[i];
1612 UChar32 cp;
1613 U16_GET(info.currencyName, 0, 0, info.currencyNameLen, cp);
1614 result.add(cp);
1615 }
1616
1617 // decrease reference count
1618 releaseCacheEntry(cacheEntry);
1619}
1620
1621
1622/**
1623 * Internal method. Given a currency ISO code and a locale, return
1624 * the "static" currency name. This is usually the same as the
1625 * UCURR_SYMBOL_NAME, but if the latter is a choice format, then the
1626 * format is applied to the number 2.0 (to yield the more common
1627 * plural) to return a static name.
1628 *
1629 * This is used for backward compatibility with old currency logic in
1630 * DecimalFormat and DecimalFormatSymbols.
1631 */
1632U_CAPI void
1633uprv_getStaticCurrencyName(const char16_t* iso, const char* loc,
1634 icu::UnicodeString& result, UErrorCode& ec)
1635{
1636 U_NAMESPACE_USE
1637
1638 int32_t len;
1639 const char16_t* currname = ucurr_getName(iso, loc, UCURR_SYMBOL_NAME,
1640 nullptr /* isChoiceFormat */, &len, &ec);
1641 if (U_SUCCESS(ec)) {
1642 result.setTo(currname, len);
1643 }
1644}
1645
1646U_CAPI int32_t U_EXPORT2
1647ucurr_getDefaultFractionDigits(const char16_t* currency, UErrorCode* ec) {
1648 return ucurr_getDefaultFractionDigitsForUsage(currency,UCURR_USAGE_STANDARD,ec);
1649}
1650
1651U_CAPI int32_t U_EXPORT2
1652ucurr_getDefaultFractionDigitsForUsage(const char16_t* currency, const UCurrencyUsage usage, UErrorCode* ec) {
1653 int32_t fracDigits = 0;
1654 if (U_SUCCESS(*ec)) {
1655 switch (usage) {
1656 case UCURR_USAGE_STANDARD:
1657 fracDigits = (_findMetaData(currency, *ec))[0];
1658 break;
1659 case UCURR_USAGE_CASH:
1660 fracDigits = (_findMetaData(currency, *ec))[2];
1661 break;
1662 default:
1663 *ec = U_UNSUPPORTED_ERROR;
1664 }
1665 }
1666 return fracDigits;
1667}
1668
1669U_CAPI double U_EXPORT2
1670ucurr_getRoundingIncrement(const char16_t* currency, UErrorCode* ec) {
1671 return ucurr_getRoundingIncrementForUsage(currency, UCURR_USAGE_STANDARD, ec);
1672}
1673
1674U_CAPI double U_EXPORT2
1675ucurr_getRoundingIncrementForUsage(const char16_t* currency, const UCurrencyUsage usage, UErrorCode* ec) {
1676 double result = 0.0;
1677
1678 const int32_t *data = _findMetaData(currency, *ec);
1679 if (U_SUCCESS(*ec)) {
1680 int32_t fracDigits;
1681 int32_t increment;
1682 switch (usage) {
1683 case UCURR_USAGE_STANDARD:
1684 fracDigits = data[0];
1685 increment = data[1];
1686 break;
1687 case UCURR_USAGE_CASH:
1688 fracDigits = data[2];
1689 increment = data[3];
1690 break;
1691 default:
1692 *ec = U_UNSUPPORTED_ERROR;
1693 return result;
1694 }
1695
1696 // If the meta data is invalid, return 0.0
1697 if (fracDigits < 0 || fracDigits > MAX_POW10) {
1698 *ec = U_INVALID_FORMAT_ERROR;
1699 } else {
1700 // A rounding value of 0 or 1 indicates no rounding.
1701 if (increment >= 2) {
1702 // Return (increment) / 10^(fracDigits). The only actual rounding data,
1703 // as of this writing, is CHF { 2, 5 }.
1704 result = double(increment) / POW10[fracDigits];
1705 }
1706 }
1707 }
1708
1709 return result;
1710}
1711
1712U_CDECL_BEGIN
1713
1714typedef struct UCurrencyContext {
1715 uint32_t currType; /* UCurrCurrencyType */
1716 uint32_t listIdx;
1717} UCurrencyContext;
1718
1719/*
1720Please keep this list in alphabetical order.
1721You can look at the CLDR supplemental data or ISO-4217 for the meaning of some
1722of these items.
1723ISO-4217: http://www.iso.org/iso/en/prods-services/popstds/currencycodeslist.html
1724*/
1725static const struct CurrencyList {
1726 const char *currency;
1727 uint32_t currType;
1728} gCurrencyList[] = {
1729 {"ADP", UCURR_COMMON|UCURR_DEPRECATED},
1730 {"AED", UCURR_COMMON|UCURR_NON_DEPRECATED},
1731 {"AFA", UCURR_COMMON|UCURR_DEPRECATED},
1732 {"AFN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1733 {"ALK", UCURR_COMMON|UCURR_DEPRECATED},
1734 {"ALL", UCURR_COMMON|UCURR_NON_DEPRECATED},
1735 {"AMD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1736 {"ANG", UCURR_COMMON|UCURR_NON_DEPRECATED},
1737 {"AOA", UCURR_COMMON|UCURR_NON_DEPRECATED},
1738 {"AOK", UCURR_COMMON|UCURR_DEPRECATED},
1739 {"AON", UCURR_COMMON|UCURR_DEPRECATED},
1740 {"AOR", UCURR_COMMON|UCURR_DEPRECATED},
1741 {"ARA", UCURR_COMMON|UCURR_DEPRECATED},
1742 {"ARL", UCURR_COMMON|UCURR_DEPRECATED},
1743 {"ARM", UCURR_COMMON|UCURR_DEPRECATED},
1744 {"ARP", UCURR_COMMON|UCURR_DEPRECATED},
1745 {"ARS", UCURR_COMMON|UCURR_NON_DEPRECATED},
1746 {"ATS", UCURR_COMMON|UCURR_DEPRECATED},
1747 {"AUD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1748 {"AWG", UCURR_COMMON|UCURR_NON_DEPRECATED},
1749 {"AZM", UCURR_COMMON|UCURR_DEPRECATED},
1750 {"AZN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1751 {"BAD", UCURR_COMMON|UCURR_DEPRECATED},
1752 {"BAM", UCURR_COMMON|UCURR_NON_DEPRECATED},
1753 {"BAN", UCURR_COMMON|UCURR_DEPRECATED},
1754 {"BBD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1755 {"BDT", UCURR_COMMON|UCURR_NON_DEPRECATED},
1756 {"BEC", UCURR_UNCOMMON|UCURR_DEPRECATED},
1757 {"BEF", UCURR_COMMON|UCURR_DEPRECATED},
1758 {"BEL", UCURR_UNCOMMON|UCURR_DEPRECATED},
1759 {"BGL", UCURR_COMMON|UCURR_DEPRECATED},
1760 {"BGM", UCURR_COMMON|UCURR_DEPRECATED},
1761 {"BGN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1762 {"BGO", UCURR_COMMON|UCURR_DEPRECATED},
1763 {"BHD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1764 {"BIF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1765 {"BMD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1766 {"BND", UCURR_COMMON|UCURR_NON_DEPRECATED},
1767 {"BOB", UCURR_COMMON|UCURR_NON_DEPRECATED},
1768 {"BOL", UCURR_COMMON|UCURR_DEPRECATED},
1769 {"BOP", UCURR_COMMON|UCURR_DEPRECATED},
1770 {"BOV", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1771 {"BRB", UCURR_COMMON|UCURR_DEPRECATED},
1772 {"BRC", UCURR_COMMON|UCURR_DEPRECATED},
1773 {"BRE", UCURR_COMMON|UCURR_DEPRECATED},
1774 {"BRL", UCURR_COMMON|UCURR_NON_DEPRECATED},
1775 {"BRN", UCURR_COMMON|UCURR_DEPRECATED},
1776 {"BRR", UCURR_COMMON|UCURR_DEPRECATED},
1777 {"BRZ", UCURR_COMMON|UCURR_DEPRECATED},
1778 {"BSD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1779 {"BTN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1780 {"BUK", UCURR_COMMON|UCURR_DEPRECATED},
1781 {"BWP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1782 {"BYB", UCURR_COMMON|UCURR_DEPRECATED},
1783 {"BYN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1784 {"BYR", UCURR_COMMON|UCURR_DEPRECATED},
1785 {"BZD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1786 {"CAD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1787 {"CDF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1788 {"CHE", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1789 {"CHF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1790 {"CHW", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1791 {"CLE", UCURR_COMMON|UCURR_DEPRECATED},
1792 {"CLF", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1793 {"CLP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1794 {"CNH", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1795 {"CNX", UCURR_UNCOMMON|UCURR_DEPRECATED},
1796 {"CNY", UCURR_COMMON|UCURR_NON_DEPRECATED},
1797 {"COP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1798 {"COU", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1799 {"CRC", UCURR_COMMON|UCURR_NON_DEPRECATED},
1800 {"CSD", UCURR_COMMON|UCURR_DEPRECATED},
1801 {"CSK", UCURR_COMMON|UCURR_DEPRECATED},
1802 {"CUC", UCURR_COMMON|UCURR_NON_DEPRECATED},
1803 {"CUP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1804 {"CVE", UCURR_COMMON|UCURR_NON_DEPRECATED},
1805 {"CYP", UCURR_COMMON|UCURR_DEPRECATED},
1806 {"CZK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1807 {"DDM", UCURR_COMMON|UCURR_DEPRECATED},
1808 {"DEM", UCURR_COMMON|UCURR_DEPRECATED},
1809 {"DJF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1810 {"DKK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1811 {"DOP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1812 {"DZD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1813 {"ECS", UCURR_COMMON|UCURR_DEPRECATED},
1814 {"ECV", UCURR_UNCOMMON|UCURR_DEPRECATED},
1815 {"EEK", UCURR_COMMON|UCURR_DEPRECATED},
1816 {"EGP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1817 {"ERN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1818 {"ESA", UCURR_UNCOMMON|UCURR_DEPRECATED},
1819 {"ESB", UCURR_UNCOMMON|UCURR_DEPRECATED},
1820 {"ESP", UCURR_COMMON|UCURR_DEPRECATED},
1821 {"ETB", UCURR_COMMON|UCURR_NON_DEPRECATED},
1822 {"EUR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1823 {"FIM", UCURR_COMMON|UCURR_DEPRECATED},
1824 {"FJD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1825 {"FKP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1826 {"FRF", UCURR_COMMON|UCURR_DEPRECATED},
1827 {"GBP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1828 {"GEK", UCURR_COMMON|UCURR_DEPRECATED},
1829 {"GEL", UCURR_COMMON|UCURR_NON_DEPRECATED},
1830 {"GHC", UCURR_COMMON|UCURR_DEPRECATED},
1831 {"GHS", UCURR_COMMON|UCURR_NON_DEPRECATED},
1832 {"GIP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1833 {"GMD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1834 {"GNF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1835 {"GNS", UCURR_COMMON|UCURR_DEPRECATED},
1836 {"GQE", UCURR_COMMON|UCURR_DEPRECATED},
1837 {"GRD", UCURR_COMMON|UCURR_DEPRECATED},
1838 {"GTQ", UCURR_COMMON|UCURR_NON_DEPRECATED},
1839 {"GWE", UCURR_COMMON|UCURR_DEPRECATED},
1840 {"GWP", UCURR_COMMON|UCURR_DEPRECATED},
1841 {"GYD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1842 {"HKD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1843 {"HNL", UCURR_COMMON|UCURR_NON_DEPRECATED},
1844 {"HRD", UCURR_COMMON|UCURR_DEPRECATED},
1845 {"HRK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1846 {"HTG", UCURR_COMMON|UCURR_NON_DEPRECATED},
1847 {"HUF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1848 {"IDR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1849 {"IEP", UCURR_COMMON|UCURR_DEPRECATED},
1850 {"ILP", UCURR_COMMON|UCURR_DEPRECATED},
1851 {"ILR", UCURR_COMMON|UCURR_DEPRECATED},
1852 {"ILS", UCURR_COMMON|UCURR_NON_DEPRECATED},
1853 {"INR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1854 {"IQD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1855 {"IRR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1856 {"ISJ", UCURR_COMMON|UCURR_DEPRECATED},
1857 {"ISK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1858 {"ITL", UCURR_COMMON|UCURR_DEPRECATED},
1859 {"JMD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1860 {"JOD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1861 {"JPY", UCURR_COMMON|UCURR_NON_DEPRECATED},
1862 {"KES", UCURR_COMMON|UCURR_NON_DEPRECATED},
1863 {"KGS", UCURR_COMMON|UCURR_NON_DEPRECATED},
1864 {"KHR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1865 {"KMF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1866 {"KPW", UCURR_COMMON|UCURR_NON_DEPRECATED},
1867 {"KRH", UCURR_COMMON|UCURR_DEPRECATED},
1868 {"KRO", UCURR_COMMON|UCURR_DEPRECATED},
1869 {"KRW", UCURR_COMMON|UCURR_NON_DEPRECATED},
1870 {"KWD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1871 {"KYD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1872 {"KZT", UCURR_COMMON|UCURR_NON_DEPRECATED},
1873 {"LAK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1874 {"LBP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1875 {"LKR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1876 {"LRD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1877 {"LSL", UCURR_COMMON|UCURR_NON_DEPRECATED},
1878 {"LSM", UCURR_COMMON|UCURR_DEPRECATED}, // questionable, remove?
1879 {"LTL", UCURR_COMMON|UCURR_DEPRECATED},
1880 {"LTT", UCURR_COMMON|UCURR_DEPRECATED},
1881 {"LUC", UCURR_UNCOMMON|UCURR_DEPRECATED},
1882 {"LUF", UCURR_COMMON|UCURR_DEPRECATED},
1883 {"LUL", UCURR_UNCOMMON|UCURR_DEPRECATED},
1884 {"LVL", UCURR_COMMON|UCURR_DEPRECATED},
1885 {"LVR", UCURR_COMMON|UCURR_DEPRECATED},
1886 {"LYD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1887 {"MAD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1888 {"MAF", UCURR_COMMON|UCURR_DEPRECATED},
1889 {"MCF", UCURR_COMMON|UCURR_DEPRECATED},
1890 {"MDC", UCURR_COMMON|UCURR_DEPRECATED},
1891 {"MDL", UCURR_COMMON|UCURR_NON_DEPRECATED},
1892 {"MGA", UCURR_COMMON|UCURR_NON_DEPRECATED},
1893 {"MGF", UCURR_COMMON|UCURR_DEPRECATED},
1894 {"MKD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1895 {"MKN", UCURR_COMMON|UCURR_DEPRECATED},
1896 {"MLF", UCURR_COMMON|UCURR_DEPRECATED},
1897 {"MMK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1898 {"MNT", UCURR_COMMON|UCURR_NON_DEPRECATED},
1899 {"MOP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1900 {"MRO", UCURR_COMMON|UCURR_DEPRECATED},
1901 {"MRU", UCURR_COMMON|UCURR_NON_DEPRECATED},
1902 {"MTL", UCURR_COMMON|UCURR_DEPRECATED},
1903 {"MTP", UCURR_COMMON|UCURR_DEPRECATED},
1904 {"MUR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1905 {"MVP", UCURR_COMMON|UCURR_DEPRECATED}, // questionable, remove?
1906 {"MVR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1907 {"MWK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1908 {"MXN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1909 {"MXP", UCURR_COMMON|UCURR_DEPRECATED},
1910 {"MXV", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1911 {"MYR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1912 {"MZE", UCURR_COMMON|UCURR_DEPRECATED},
1913 {"MZM", UCURR_COMMON|UCURR_DEPRECATED},
1914 {"MZN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1915 {"NAD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1916 {"NGN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1917 {"NIC", UCURR_COMMON|UCURR_DEPRECATED},
1918 {"NIO", UCURR_COMMON|UCURR_NON_DEPRECATED},
1919 {"NLG", UCURR_COMMON|UCURR_DEPRECATED},
1920 {"NOK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1921 {"NPR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1922 {"NZD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1923 {"OMR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1924 {"PAB", UCURR_COMMON|UCURR_NON_DEPRECATED},
1925 {"PEI", UCURR_COMMON|UCURR_DEPRECATED},
1926 {"PEN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1927 {"PES", UCURR_COMMON|UCURR_DEPRECATED},
1928 {"PGK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1929 {"PHP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1930 {"PKR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1931 {"PLN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1932 {"PLZ", UCURR_COMMON|UCURR_DEPRECATED},
1933 {"PTE", UCURR_COMMON|UCURR_DEPRECATED},
1934 {"PYG", UCURR_COMMON|UCURR_NON_DEPRECATED},
1935 {"QAR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1936 {"RHD", UCURR_COMMON|UCURR_DEPRECATED},
1937 {"ROL", UCURR_COMMON|UCURR_DEPRECATED},
1938 {"RON", UCURR_COMMON|UCURR_NON_DEPRECATED},
1939 {"RSD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1940 {"RUB", UCURR_COMMON|UCURR_NON_DEPRECATED},
1941 {"RUR", UCURR_COMMON|UCURR_DEPRECATED},
1942 {"RWF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1943 {"SAR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1944 {"SBD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1945 {"SCR", UCURR_COMMON|UCURR_NON_DEPRECATED},
1946 {"SDD", UCURR_COMMON|UCURR_DEPRECATED},
1947 {"SDG", UCURR_COMMON|UCURR_NON_DEPRECATED},
1948 {"SDP", UCURR_COMMON|UCURR_DEPRECATED},
1949 {"SEK", UCURR_COMMON|UCURR_NON_DEPRECATED},
1950 {"SGD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1951 {"SHP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1952 {"SIT", UCURR_COMMON|UCURR_DEPRECATED},
1953 {"SKK", UCURR_COMMON|UCURR_DEPRECATED},
1954 {"SLE", UCURR_COMMON|UCURR_NON_DEPRECATED},
1955 {"SLL", UCURR_COMMON|UCURR_NON_DEPRECATED},
1956 {"SOS", UCURR_COMMON|UCURR_NON_DEPRECATED},
1957 {"SRD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1958 {"SRG", UCURR_COMMON|UCURR_DEPRECATED},
1959 {"SSP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1960 {"STD", UCURR_COMMON|UCURR_DEPRECATED},
1961 {"STN", UCURR_COMMON|UCURR_NON_DEPRECATED},
1962 {"SUR", UCURR_COMMON|UCURR_DEPRECATED},
1963 {"SVC", UCURR_COMMON|UCURR_DEPRECATED},
1964 {"SYP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1965 {"SZL", UCURR_COMMON|UCURR_NON_DEPRECATED},
1966 {"THB", UCURR_COMMON|UCURR_NON_DEPRECATED},
1967 {"TJR", UCURR_COMMON|UCURR_DEPRECATED},
1968 {"TJS", UCURR_COMMON|UCURR_NON_DEPRECATED},
1969 {"TMM", UCURR_COMMON|UCURR_DEPRECATED},
1970 {"TMT", UCURR_COMMON|UCURR_NON_DEPRECATED},
1971 {"TND", UCURR_COMMON|UCURR_NON_DEPRECATED},
1972 {"TOP", UCURR_COMMON|UCURR_NON_DEPRECATED},
1973 {"TPE", UCURR_COMMON|UCURR_DEPRECATED},
1974 {"TRL", UCURR_COMMON|UCURR_DEPRECATED},
1975 {"TRY", UCURR_COMMON|UCURR_NON_DEPRECATED},
1976 {"TTD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1977 {"TWD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1978 {"TZS", UCURR_COMMON|UCURR_NON_DEPRECATED},
1979 {"UAH", UCURR_COMMON|UCURR_NON_DEPRECATED},
1980 {"UAK", UCURR_COMMON|UCURR_DEPRECATED},
1981 {"UGS", UCURR_COMMON|UCURR_DEPRECATED},
1982 {"UGX", UCURR_COMMON|UCURR_NON_DEPRECATED},
1983 {"USD", UCURR_COMMON|UCURR_NON_DEPRECATED},
1984 {"USN", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1985 {"USS", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1986 {"UYI", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1987 {"UYP", UCURR_COMMON|UCURR_DEPRECATED},
1988 {"UYU", UCURR_COMMON|UCURR_NON_DEPRECATED},
1989 {"UYW", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1990 {"UZS", UCURR_COMMON|UCURR_NON_DEPRECATED},
1991 {"VEB", UCURR_COMMON|UCURR_DEPRECATED},
1992 {"VED", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
1993 {"VEF", UCURR_COMMON|UCURR_NON_DEPRECATED},
1994 {"VES", UCURR_COMMON|UCURR_NON_DEPRECATED},
1995 {"VND", UCURR_COMMON|UCURR_NON_DEPRECATED},
1996 {"VNN", UCURR_COMMON|UCURR_DEPRECATED},
1997 {"VUV", UCURR_COMMON|UCURR_NON_DEPRECATED},
1998 {"WST", UCURR_COMMON|UCURR_NON_DEPRECATED},
1999 {"XAF", UCURR_COMMON|UCURR_NON_DEPRECATED},
2000 {"XAG", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2001 {"XAU", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2002 {"XBA", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2003 {"XBB", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2004 {"XBC", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2005 {"XBD", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2006 {"XCD", UCURR_COMMON|UCURR_NON_DEPRECATED},
2007 {"XDR", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2008 {"XEU", UCURR_UNCOMMON|UCURR_DEPRECATED},
2009 {"XFO", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2010 {"XFU", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2011 {"XOF", UCURR_COMMON|UCURR_NON_DEPRECATED},
2012 {"XPD", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2013 {"XPF", UCURR_COMMON|UCURR_NON_DEPRECATED},
2014 {"XPT", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2015 {"XRE", UCURR_UNCOMMON|UCURR_DEPRECATED},
2016 {"XSU", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2017 {"XTS", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2018 {"XUA", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2019 {"XXX", UCURR_UNCOMMON|UCURR_NON_DEPRECATED},
2020 {"YDD", UCURR_COMMON|UCURR_DEPRECATED},
2021 {"YER", UCURR_COMMON|UCURR_NON_DEPRECATED},
2022 {"YUD", UCURR_COMMON|UCURR_DEPRECATED},
2023 {"YUM", UCURR_COMMON|UCURR_DEPRECATED},
2024 {"YUN", UCURR_COMMON|UCURR_DEPRECATED},
2025 {"YUR", UCURR_COMMON|UCURR_DEPRECATED},
2026 {"ZAL", UCURR_UNCOMMON|UCURR_DEPRECATED},
2027 {"ZAR", UCURR_COMMON|UCURR_NON_DEPRECATED},
2028 {"ZMK", UCURR_COMMON|UCURR_DEPRECATED},
2029 {"ZMW", UCURR_COMMON|UCURR_NON_DEPRECATED},
2030 {"ZRN", UCURR_COMMON|UCURR_DEPRECATED},
2031 {"ZRZ", UCURR_COMMON|UCURR_DEPRECATED},
2032 {"ZWD", UCURR_COMMON|UCURR_DEPRECATED},
2033 {"ZWL", UCURR_COMMON|UCURR_DEPRECATED},
2034 {"ZWR", UCURR_COMMON|UCURR_DEPRECATED},
2035 { nullptr, 0 } // Leave here to denote the end of the list.
2036};
2037
2038#define UCURR_MATCHES_BITMASK(variable, typeToMatch) \
2039 ((typeToMatch) == UCURR_ALL || ((variable) & (typeToMatch)) == (typeToMatch))
2040
2041static int32_t U_CALLCONV
2042ucurr_countCurrencyList(UEnumeration *enumerator, UErrorCode * /*pErrorCode*/) {
2043 UCurrencyContext *myContext = (UCurrencyContext *)(enumerator->context);
2044 uint32_t currType = myContext->currType;
2045 int32_t count = 0;
2046
2047 /* Count the number of items matching the type we are looking for. */
2048 for (int32_t idx = 0; gCurrencyList[idx].currency != nullptr; idx++) {
2049 if (UCURR_MATCHES_BITMASK(gCurrencyList[idx].currType, currType)) {
2050 count++;
2051 }
2052 }
2053 return count;
2054}
2055
2056static const char* U_CALLCONV
2057ucurr_nextCurrencyList(UEnumeration *enumerator,
2058 int32_t* resultLength,
2059 UErrorCode * /*pErrorCode*/)
2060{
2061 UCurrencyContext *myContext = (UCurrencyContext *)(enumerator->context);
2062
2063 /* Find the next in the list that matches the type we are looking for. */
2064 while (myContext->listIdx < UPRV_LENGTHOF(gCurrencyList)-1) {
2065 const struct CurrencyList *currItem = &gCurrencyList[myContext->listIdx++];
2066 if (UCURR_MATCHES_BITMASK(currItem->currType, myContext->currType))
2067 {
2068 if (resultLength) {
2069 *resultLength = 3; /* Currency codes are only 3 chars long */
2070 }
2071 return currItem->currency;
2072 }
2073 }
2074 /* We enumerated too far. */
2075 if (resultLength) {
2076 *resultLength = 0;
2077 }
2078 return nullptr;
2079}
2080
2081static void U_CALLCONV
2082ucurr_resetCurrencyList(UEnumeration *enumerator, UErrorCode * /*pErrorCode*/) {
2083 ((UCurrencyContext *)(enumerator->context))->listIdx = 0;
2084}
2085
2086static void U_CALLCONV
2087ucurr_closeCurrencyList(UEnumeration *enumerator) {
2088 uprv_free(enumerator->context);
2089 uprv_free(enumerator);
2090}
2091
2092static void U_CALLCONV
2093ucurr_createCurrencyList(UHashtable *isoCodes, UErrorCode* status){
2094 UErrorCode localStatus = U_ZERO_ERROR;
2095
2096 // Look up the CurrencyMap element in the root bundle.
2097 UResourceBundle *rb = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &localStatus);
2098 UResourceBundle *currencyMapArray = ures_getByKey(rb, CURRENCY_MAP, rb, &localStatus);
2099
2100 if (U_SUCCESS(localStatus)) {
2101 // process each entry in currency map
2102 for (int32_t i=0; i<ures_getSize(currencyMapArray); i++) {
2103 // get the currency resource
2104 UResourceBundle *currencyArray = ures_getByIndex(currencyMapArray, i, nullptr, &localStatus);
2105 // process each currency
2106 if (U_SUCCESS(localStatus)) {
2107 for (int32_t j=0; j<ures_getSize(currencyArray); j++) {
2108 // get the currency resource
2109 UResourceBundle *currencyRes = ures_getByIndex(currencyArray, j, nullptr, &localStatus);
2110 IsoCodeEntry *entry = (IsoCodeEntry*)uprv_malloc(sizeof(IsoCodeEntry));
2111 if (entry == nullptr) {
2112 *status = U_MEMORY_ALLOCATION_ERROR;
2113 return;
2114 }
2115
2116 // get the ISO code
2117 int32_t isoLength = 0;
2118 UResourceBundle *idRes = ures_getByKey(currencyRes, "id", nullptr, &localStatus);
2119 if (idRes == nullptr) {
2120 continue;
2121 }
2122 const char16_t *isoCode = ures_getString(idRes, &isoLength, &localStatus);
2123
2124 // get from date
2125 UDate fromDate = U_DATE_MIN;
2126 UResourceBundle *fromRes = ures_getByKey(currencyRes, "from", nullptr, &localStatus);
2127
2128 if (U_SUCCESS(localStatus)) {
2129 int32_t fromLength = 0;
2130 const int32_t *fromArray = ures_getIntVector(fromRes, &fromLength, &localStatus);
2131 int64_t currDate64 = ((uint64_t)fromArray[0]) << 32;
2132 currDate64 |= ((int64_t)fromArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF));
2133 fromDate = (UDate)currDate64;
2134 }
2135 ures_close(fromRes);
2136
2137 // get to date
2138 UDate toDate = U_DATE_MAX;
2139 localStatus = U_ZERO_ERROR;
2140 UResourceBundle *toRes = ures_getByKey(currencyRes, "to", nullptr, &localStatus);
2141
2142 if (U_SUCCESS(localStatus)) {
2143 int32_t toLength = 0;
2144 const int32_t *toArray = ures_getIntVector(toRes, &toLength, &localStatus);
2145 int64_t currDate64 = (uint64_t)toArray[0] << 32;
2146 currDate64 |= ((int64_t)toArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF));
2147 toDate = (UDate)currDate64;
2148 }
2149 ures_close(toRes);
2150
2151 ures_close(idRes);
2152 ures_close(currencyRes);
2153
2154 entry->isoCode = isoCode;
2155 entry->from = fromDate;
2156 entry->to = toDate;
2157
2158 localStatus = U_ZERO_ERROR;
2159 uhash_put(isoCodes, (char16_t *)isoCode, entry, &localStatus);
2160 }
2161 } else {
2162 *status = localStatus;
2163 }
2164 ures_close(currencyArray);
2165 }
2166 } else {
2167 *status = localStatus;
2168 }
2169
2170 ures_close(currencyMapArray);
2171}
2172
2173static const UEnumeration gEnumCurrencyList = {
2174 nullptr,
2175 nullptr,
2176 ucurr_closeCurrencyList,
2177 ucurr_countCurrencyList,
2178 uenum_unextDefault,
2179 ucurr_nextCurrencyList,
2180 ucurr_resetCurrencyList
2181};
2182U_CDECL_END
2183
2184
2185static void U_CALLCONV initIsoCodes(UErrorCode &status) {
2186 U_ASSERT(gIsoCodes == nullptr);
2187 ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup);
2188
2189 UHashtable *isoCodes = uhash_open(uhash_hashUChars, uhash_compareUChars, nullptr, &status);
2190 if (U_FAILURE(status)) {
2191 return;
2192 }
2193 uhash_setValueDeleter(isoCodes, deleteIsoCodeEntry);
2194
2195 ucurr_createCurrencyList(isoCodes, &status);
2196 if (U_FAILURE(status)) {
2197 uhash_close(isoCodes);
2198 return;
2199 }
2200 gIsoCodes = isoCodes; // Note: gIsoCodes is const. Once set up here it is never altered,
2201 // and read only access is safe without synchronization.
2202}
2203
2204static void populateCurrSymbolsEquiv(icu::Hashtable *hash, UErrorCode &status) {
2205 if (U_FAILURE(status)) { return; }
2206 for (auto& entry : unisets::kCurrencyEntries) {
2207 UnicodeString exemplar(entry.exemplar);
2208 const UnicodeSet* set = unisets::get(entry.key);
2209 if (set == nullptr) { return; }
2210 UnicodeSetIterator it(*set);
2211 while (it.next()) {
2212 UnicodeString value = it.getString();
2213 if (value == exemplar) {
2214 // No need to mark the exemplar character as an equivalent
2215 continue;
2216 }
2217 makeEquivalent(exemplar, value, hash, status);
2218 if (U_FAILURE(status)) { return; }
2219 }
2220 }
2221}
2222
2223static void U_CALLCONV initCurrSymbolsEquiv() {
2224 U_ASSERT(gCurrSymbolsEquiv == nullptr);
2225 UErrorCode status = U_ZERO_ERROR;
2226 ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup);
2227 icu::Hashtable *temp = new icu::Hashtable(status);
2228 if (temp == nullptr) {
2229 return;
2230 }
2231 if (U_FAILURE(status)) {
2232 delete temp;
2233 return;
2234 }
2235 temp->setValueDeleter(deleteUnicode);
2236 populateCurrSymbolsEquiv(temp, status);
2237 if (U_FAILURE(status)) {
2238 delete temp;
2239 return;
2240 }
2241 gCurrSymbolsEquiv = temp;
2242}
2243
2244U_CAPI UBool U_EXPORT2
2245ucurr_isAvailable(const char16_t* isoCode, UDate from, UDate to, UErrorCode* eErrorCode) {
2246 umtx_initOnce(gIsoCodesInitOnce, &initIsoCodes, *eErrorCode);
2247 if (U_FAILURE(*eErrorCode)) {
2248 return false;
2249 }
2250
2251 IsoCodeEntry* result = (IsoCodeEntry *) uhash_get(gIsoCodes, isoCode);
2252 if (result == nullptr) {
2253 return false;
2254 } else if (from > to) {
2255 *eErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
2256 return false;
2257 } else if ((from > result->to) || (to < result->from)) {
2258 return false;
2259 }
2260 return true;
2261}
2262
2263static const icu::Hashtable* getCurrSymbolsEquiv() {
2264 umtx_initOnce(gCurrSymbolsEquivInitOnce, &initCurrSymbolsEquiv);
2265 return gCurrSymbolsEquiv;
2266}
2267
2268U_CAPI UEnumeration * U_EXPORT2
2269ucurr_openISOCurrencies(uint32_t currType, UErrorCode *pErrorCode) {
2270 UEnumeration *myEnum = nullptr;
2271 UCurrencyContext *myContext;
2272
2273 myEnum = (UEnumeration*)uprv_malloc(sizeof(UEnumeration));
2274 if (myEnum == nullptr) {
2275 *pErrorCode = U_MEMORY_ALLOCATION_ERROR;
2276 return nullptr;
2277 }
2278 uprv_memcpy(myEnum, &gEnumCurrencyList, sizeof(UEnumeration));
2279 myContext = (UCurrencyContext*)uprv_malloc(sizeof(UCurrencyContext));
2280 if (myContext == nullptr) {
2281 *pErrorCode = U_MEMORY_ALLOCATION_ERROR;
2282 uprv_free(myEnum);
2283 return nullptr;
2284 }
2285 myContext->currType = currType;
2286 myContext->listIdx = 0;
2287 myEnum->context = myContext;
2288 return myEnum;
2289}
2290
2291U_CAPI int32_t U_EXPORT2
2292ucurr_countCurrencies(const char* locale,
2293 UDate date,
2294 UErrorCode* ec)
2295{
2296 int32_t currCount = 0;
2297
2298 if (ec != nullptr && U_SUCCESS(*ec))
2299 {
2300 // local variables
2301 UErrorCode localStatus = U_ZERO_ERROR;
2302 char id[ULOC_FULLNAME_CAPACITY];
2303
2304 // get country or country_variant in `id'
2305 idForLocale(locale, id, sizeof(id), ec);
2306
2307 if (U_FAILURE(*ec))
2308 {
2309 return 0;
2310 }
2311
2312 // Remove variants, which is only needed for registration.
2313 char *idDelim = strchr(id, VAR_DELIM);
2314 if (idDelim)
2315 {
2316 idDelim[0] = 0;
2317 }
2318
2319 // Look up the CurrencyMap element in the root bundle.
2320 UResourceBundle *rb = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &localStatus);
2321 UResourceBundle *cm = ures_getByKey(rb, CURRENCY_MAP, rb, &localStatus);
2322
2323 // Using the id derived from the local, get the currency data
2324 UResourceBundle *countryArray = ures_getByKey(rb, id, cm, &localStatus);
2325
2326 // process each currency to see which one is valid for the given date
2327 if (U_SUCCESS(localStatus))
2328 {
2329 for (int32_t i=0; i<ures_getSize(countryArray); i++)
2330 {
2331 // get the currency resource
2332 UResourceBundle *currencyRes = ures_getByIndex(countryArray, i, nullptr, &localStatus);
2333
2334 // get the from date
2335 int32_t fromLength = 0;
2336 UResourceBundle *fromRes = ures_getByKey(currencyRes, "from", nullptr, &localStatus);
2337 const int32_t *fromArray = ures_getIntVector(fromRes, &fromLength, &localStatus);
2338
2339 int64_t currDate64 = (int64_t)((uint64_t)(fromArray[0]) << 32);
2340 currDate64 |= ((int64_t)fromArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF));
2341 UDate fromDate = (UDate)currDate64;
2342
2343 if (ures_getSize(currencyRes)> 2)
2344 {
2345 int32_t toLength = 0;
2346 UResourceBundle *toRes = ures_getByKey(currencyRes, "to", nullptr, &localStatus);
2347 const int32_t *toArray = ures_getIntVector(toRes, &toLength, &localStatus);
2348
2349 currDate64 = (int64_t)toArray[0] << 32;
2350 currDate64 |= ((int64_t)toArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF));
2351 UDate toDate = (UDate)currDate64;
2352
2353 if ((fromDate <= date) && (date < toDate))
2354 {
2355 currCount++;
2356 }
2357
2358 ures_close(toRes);
2359 }
2360 else
2361 {
2362 if (fromDate <= date)
2363 {
2364 currCount++;
2365 }
2366 }
2367
2368 // close open resources
2369 ures_close(currencyRes);
2370 ures_close(fromRes);
2371
2372 } // end For loop
2373 } // end if (U_SUCCESS(localStatus))
2374
2375 ures_close(countryArray);
2376
2377 // Check for errors
2378 if (*ec == U_ZERO_ERROR || localStatus != U_ZERO_ERROR)
2379 {
2380 // There is nothing to fallback to.
2381 // Report the failure/warning if possible.
2382 *ec = localStatus;
2383 }
2384
2385 if (U_SUCCESS(*ec))
2386 {
2387 // no errors
2388 return currCount;
2389 }
2390
2391 }
2392
2393 // If we got here, either error code is invalid or
2394 // some argument passed is no good.
2395 return 0;
2396}
2397
2398U_CAPI int32_t U_EXPORT2
2399ucurr_forLocaleAndDate(const char* locale,
2400 UDate date,
2401 int32_t index,
2402 char16_t* buff,
2403 int32_t buffCapacity,
2404 UErrorCode* ec)
2405{
2406 int32_t resLen = 0;
2407 int32_t currIndex = 0;
2408 const char16_t* s = nullptr;
2409
2410 if (ec != nullptr && U_SUCCESS(*ec))
2411 {
2412 // check the arguments passed
2413 if ((buff && buffCapacity) || !buffCapacity )
2414 {
2415 // local variables
2416 UErrorCode localStatus = U_ZERO_ERROR;
2417 char id[ULOC_FULLNAME_CAPACITY];
2418
2419 // get country or country_variant in `id'
2420 idForLocale(locale, id, sizeof(id), ec);
2421 if (U_FAILURE(*ec))
2422 {
2423 return 0;
2424 }
2425
2426 // Remove variants, which is only needed for registration.
2427 char *idDelim = strchr(id, VAR_DELIM);
2428 if (idDelim)
2429 {
2430 idDelim[0] = 0;
2431 }
2432
2433 // Look up the CurrencyMap element in the root bundle.
2434 UResourceBundle *rb = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &localStatus);
2435 UResourceBundle *cm = ures_getByKey(rb, CURRENCY_MAP, rb, &localStatus);
2436
2437 // Using the id derived from the local, get the currency data
2438 UResourceBundle *countryArray = ures_getByKey(rb, id, cm, &localStatus);
2439
2440 // process each currency to see which one is valid for the given date
2441 bool matchFound = false;
2442 if (U_SUCCESS(localStatus))
2443 {
2444 if ((index <= 0) || (index> ures_getSize(countryArray)))
2445 {
2446 // requested index is out of bounds
2447 ures_close(countryArray);
2448 return 0;
2449 }
2450
2451 for (int32_t i=0; i<ures_getSize(countryArray); i++)
2452 {
2453 // get the currency resource
2454 UResourceBundle *currencyRes = ures_getByIndex(countryArray, i, nullptr, &localStatus);
2455 s = ures_getStringByKey(currencyRes, "id", &resLen, &localStatus);
2456
2457 // get the from date
2458 int32_t fromLength = 0;
2459 UResourceBundle *fromRes = ures_getByKey(currencyRes, "from", nullptr, &localStatus);
2460 const int32_t *fromArray = ures_getIntVector(fromRes, &fromLength, &localStatus);
2461
2462 int64_t currDate64 = (int64_t)((uint64_t)fromArray[0] << 32);
2463 currDate64 |= ((int64_t)fromArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF));
2464 UDate fromDate = (UDate)currDate64;
2465
2466 if (ures_getSize(currencyRes)> 2)
2467 {
2468 int32_t toLength = 0;
2469 UResourceBundle *toRes = ures_getByKey(currencyRes, "to", nullptr, &localStatus);
2470 const int32_t *toArray = ures_getIntVector(toRes, &toLength, &localStatus);
2471
2472 currDate64 = (int64_t)toArray[0] << 32;
2473 currDate64 |= ((int64_t)toArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF));
2474 UDate toDate = (UDate)currDate64;
2475
2476 if ((fromDate <= date) && (date < toDate))
2477 {
2478 currIndex++;
2479 if (currIndex == index)
2480 {
2481 matchFound = true;
2482 }
2483 }
2484
2485 ures_close(toRes);
2486 }
2487 else
2488 {
2489 if (fromDate <= date)
2490 {
2491 currIndex++;
2492 if (currIndex == index)
2493 {
2494 matchFound = true;
2495 }
2496 }
2497 }
2498
2499 // close open resources
2500 ures_close(currencyRes);
2501 ures_close(fromRes);
2502
2503 // check for loop exit
2504 if (matchFound)
2505 {
2506 break;
2507 }
2508
2509 } // end For loop
2510 }
2511
2512 ures_close(countryArray);
2513
2514 // Check for errors
2515 if (*ec == U_ZERO_ERROR || localStatus != U_ZERO_ERROR)
2516 {
2517 // There is nothing to fallback to.
2518 // Report the failure/warning if possible.
2519 *ec = localStatus;
2520 }
2521
2522 if (U_SUCCESS(*ec))
2523 {
2524 // no errors
2525 if((buffCapacity> resLen) && matchFound)
2526 {
2527 // write out the currency value
2528 u_strcpy(buff, s);
2529 }
2530 else
2531 {
2532 return 0;
2533 }
2534 }
2535
2536 // return null terminated currency string
2537 return u_terminateUChars(buff, buffCapacity, resLen, ec);
2538 }
2539 else
2540 {
2541 // illegal argument encountered
2542 *ec = U_ILLEGAL_ARGUMENT_ERROR;
2543 }
2544
2545 }
2546
2547 // If we got here, either error code is invalid or
2548 // some argument passed is no good.
2549 return resLen;
2550}
2551
2552static const UEnumeration defaultKeywordValues = {
2553 nullptr,
2554 nullptr,
2555 ulist_close_keyword_values_iterator,
2556 ulist_count_keyword_values,
2557 uenum_unextDefault,
2558 ulist_next_keyword_value,
2559 ulist_reset_keyword_values_iterator
2560};
2561
2562U_CAPI UEnumeration *U_EXPORT2 ucurr_getKeywordValuesForLocale(const char *key, const char *locale, UBool commonlyUsed, UErrorCode* status) {
2563 // Resolve region
2564 char prefRegion[ULOC_COUNTRY_CAPACITY];
2565 ulocimp_getRegionForSupplementalData(locale, true, prefRegion, sizeof(prefRegion), status);
2566
2567 // Read value from supplementalData
2568 UList *values = ulist_createEmptyList(status);
2569 UList *otherValues = ulist_createEmptyList(status);
2570 UEnumeration *en = (UEnumeration *)uprv_malloc(sizeof(UEnumeration));
2571 if (U_FAILURE(*status) || en == nullptr) {
2572 if (en == nullptr) {
2573 *status = U_MEMORY_ALLOCATION_ERROR;
2574 } else {
2575 uprv_free(en);
2576 }
2577 ulist_deleteList(values);
2578 ulist_deleteList(otherValues);
2579 return nullptr;
2580 }
2581 memcpy(en, &defaultKeywordValues, sizeof(UEnumeration));
2582 en->context = values;
2583
2584 UResourceBundle *bundle = ures_openDirect(U_ICUDATA_CURR, "supplementalData", status);
2585 ures_getByKey(bundle, "CurrencyMap", bundle, status);
2586 UResourceBundle bundlekey, regbndl, curbndl, to;
2587 ures_initStackObject(&bundlekey);
2588 ures_initStackObject(&regbndl);
2589 ures_initStackObject(&curbndl);
2590 ures_initStackObject(&to);
2591
2592 while (U_SUCCESS(*status) && ures_hasNext(bundle)) {
2593 ures_getNextResource(bundle, &bundlekey, status);
2594 if (U_FAILURE(*status)) {
2595 break;
2596 }
2597 const char *region = ures_getKey(&bundlekey);
2598 UBool isPrefRegion = uprv_strcmp(region, prefRegion) == 0 ? true : false;
2599 if (!isPrefRegion && commonlyUsed) {
2600 // With commonlyUsed=true, we do not put
2601 // currencies for other regions in the
2602 // result list.
2603 continue;
2604 }
2605 ures_getByKey(bundle, region, &regbndl, status);
2606 if (U_FAILURE(*status)) {
2607 break;
2608 }
2609 while (U_SUCCESS(*status) && ures_hasNext(&regbndl)) {
2610 ures_getNextResource(&regbndl, &curbndl, status);
2611 if (ures_getType(&curbndl) != URES_TABLE) {
2612 // Currently, an empty ARRAY is mixed in.
2613 continue;
2614 }
2615 char *curID = (char *)uprv_malloc(sizeof(char) * ULOC_KEYWORDS_CAPACITY);
2616 int32_t curIDLength = ULOC_KEYWORDS_CAPACITY;
2617 if (curID == nullptr) {
2618 *status = U_MEMORY_ALLOCATION_ERROR;
2619 break;
2620 }
2621
2622#if U_CHARSET_FAMILY==U_ASCII_FAMILY
2623 ures_getUTF8StringByKey(&curbndl, "id", curID, &curIDLength, true, status);
2624 /* optimize - use the utf-8 string */
2625#else
2626 {
2627 const char16_t* defString = ures_getStringByKey(&curbndl, "id", &curIDLength, status);
2628 if(U_SUCCESS(*status)) {
2629 if(curIDLength+1 > ULOC_KEYWORDS_CAPACITY) {
2630 *status = U_BUFFER_OVERFLOW_ERROR;
2631 } else {
2632 u_UCharsToChars(defString, curID, curIDLength+1);
2633 }
2634 }
2635 }
2636#endif
2637
2638 if (U_FAILURE(*status)) {
2639 break;
2640 }
2641 UBool hasTo = false;
2642 ures_getByKey(&curbndl, "to", &to, status);
2643 if (U_FAILURE(*status)) {
2644 // Do nothing here...
2645 *status = U_ZERO_ERROR;
2646 } else {
2647 hasTo = true;
2648 }
2649 if (isPrefRegion && !hasTo && !ulist_containsString(values, curID, (int32_t)uprv_strlen(curID))) {
2650 // Currently active currency for the target country
2651 ulist_addItemEndList(values, curID, true, status);
2652 } else if (!ulist_containsString(otherValues, curID, (int32_t)uprv_strlen(curID)) && !commonlyUsed) {
2653 ulist_addItemEndList(otherValues, curID, true, status);
2654 } else {
2655 uprv_free(curID);
2656 }
2657 }
2658
2659 }
2660 if (U_SUCCESS(*status)) {
2661 if (commonlyUsed) {
2662 if (ulist_getListSize(values) == 0) {
2663 // This could happen if no valid region is supplied in the input
2664 // locale. In this case, we use the CLDR's default.
2665 uenum_close(en);
2666 en = ucurr_getKeywordValuesForLocale(key, "und", true, status);
2667 }
2668 } else {
2669 // Consolidate the list
2670 char *value = nullptr;
2671 ulist_resetList(otherValues);
2672 while ((value = (char *)ulist_getNext(otherValues)) != nullptr) {
2673 if (!ulist_containsString(values, value, (int32_t)uprv_strlen(value))) {
2674 char *tmpValue = (char *)uprv_malloc(sizeof(char) * ULOC_KEYWORDS_CAPACITY);
2675 uprv_memcpy(tmpValue, value, uprv_strlen(value) + 1);
2676 ulist_addItemEndList(values, tmpValue, true, status);
2677 if (U_FAILURE(*status)) {
2678 break;
2679 }
2680 }
2681 }
2682 }
2683
2684 ulist_resetList((UList *)(en->context));
2685 } else {
2686 ulist_deleteList(values);
2687 uprv_free(en);
2688 values = nullptr;
2689 en = nullptr;
2690 }
2691 ures_close(&to);
2692 ures_close(&curbndl);
2693 ures_close(&regbndl);
2694 ures_close(&bundlekey);
2695 ures_close(bundle);
2696
2697 ulist_deleteList(otherValues);
2698
2699 return en;
2700}
2701
2702
2703U_CAPI int32_t U_EXPORT2
2704ucurr_getNumericCode(const char16_t* currency) {
2705 int32_t code = 0;
2706 if (currency && u_strlen(currency) == ISO_CURRENCY_CODE_LENGTH) {
2707 UErrorCode status = U_ZERO_ERROR;
2708
2709 UResourceBundle *bundle = ures_openDirect(0, "currencyNumericCodes", &status);
2710 ures_getByKey(bundle, "codeMap", bundle, &status);
2711 if (U_SUCCESS(status)) {
2712 char alphaCode[ISO_CURRENCY_CODE_LENGTH+1];
2713 myUCharsToChars(alphaCode, currency);
2714 T_CString_toUpperCase(alphaCode);
2715 ures_getByKey(bundle, alphaCode, bundle, &status);
2716 int tmpCode = ures_getInt(bundle, &status);
2717 if (U_SUCCESS(status)) {
2718 code = tmpCode;
2719 }
2720 }
2721 ures_close(bundle);
2722 }
2723 return code;
2724}
2725#endif /* #if !UCONFIG_NO_FORMATTING */
2726
2727//eof
2728