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Diffstat (limited to '')
| -rw-r--r-- | intl/icu/source/common/ucurr.cpp | 2727 |
1 files changed, 2727 insertions, 0 deletions
diff --git a/intl/icu/source/common/ucurr.cpp b/intl/icu/source/common/ucurr.cpp new file mode 100644 index 0000000000..ffca8aac5f --- /dev/null +++ b/intl/icu/source/common/ucurr.cpp @@ -0,0 +1,2727 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +********************************************************************** +* Copyright (c) 2002-2016, International Business Machines +* Corporation and others. All Rights Reserved. +********************************************************************** +*/ + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_FORMATTING + +#include "unicode/ucurr.h" +#include "unicode/locid.h" +#include "unicode/ures.h" +#include "unicode/ustring.h" +#include "unicode/parsepos.h" +#include "unicode/uniset.h" +#include "unicode/usetiter.h" +#include "unicode/utf16.h" +#include "ustr_imp.h" +#include "charstr.h" +#include "cmemory.h" +#include "cstring.h" +#include "static_unicode_sets.h" +#include "uassert.h" +#include "umutex.h" +#include "ucln_cmn.h" +#include "uenumimp.h" +#include "uhash.h" +#include "hash.h" +#include "uinvchar.h" +#include "uresimp.h" +#include "ulist.h" +#include "uresimp.h" +#include "ureslocs.h" +#include "ulocimp.h" + +using namespace icu; + +//#define UCURR_DEBUG_EQUIV 1 +#ifdef UCURR_DEBUG_EQUIV +#include "stdio.h" +#endif +//#define UCURR_DEBUG 1 +#ifdef UCURR_DEBUG +#include "stdio.h" +#endif + +typedef struct IsoCodeEntry { + const char16_t *isoCode; /* const because it's a reference to a resource bundle string. */ + UDate from; + UDate to; +} IsoCodeEntry; + +//------------------------------------------------------------ +// Constants + +// Default currency meta data of last resort. We try to use the +// defaults encoded in the meta data resource bundle. If there is a +// configuration/build error and these are not available, we use these +// hard-coded defaults (which should be identical). +static const int32_t LAST_RESORT_DATA[] = { 2, 0, 2, 0 }; + +// POW10[i] = 10^i, i=0..MAX_POW10 +static const int32_t POW10[] = { 1, 10, 100, 1000, 10000, 100000, + 1000000, 10000000, 100000000, 1000000000 }; + +static const int32_t MAX_POW10 = UPRV_LENGTHOF(POW10) - 1; + +#define ISO_CURRENCY_CODE_LENGTH 3 + +//------------------------------------------------------------ +// Resource tags +// + +static const char CURRENCY_DATA[] = "supplementalData"; +// Tag for meta-data, in root. +static const char CURRENCY_META[] = "CurrencyMeta"; + +// Tag for map from countries to currencies, in root. +static const char CURRENCY_MAP[] = "CurrencyMap"; + +// Tag for default meta-data, in CURRENCY_META +static const char DEFAULT_META[] = "DEFAULT"; + +// Variant delimiter +static const char VAR_DELIM = '_'; + +// Tag for localized display names (symbols) of currencies +static const char CURRENCIES[] = "Currencies"; +static const char CURRENCIES_NARROW[] = "Currencies%narrow"; +static const char CURRENCIES_FORMAL[] = "Currencies%formal"; +static const char CURRENCIES_VARIANT[] = "Currencies%variant"; +static const char CURRENCYPLURALS[] = "CurrencyPlurals"; + +// ISO codes mapping table +static const UHashtable* gIsoCodes = nullptr; +static icu::UInitOnce gIsoCodesInitOnce {}; + +// Currency symbol equivalances +static const icu::Hashtable* gCurrSymbolsEquiv = nullptr; +static icu::UInitOnce gCurrSymbolsEquivInitOnce {}; + +U_NAMESPACE_BEGIN + +// EquivIterator iterates over all strings that are equivalent to a given +// string, s. Note that EquivIterator will never yield s itself. +class EquivIterator : public icu::UMemory { +public: + // Constructor. hash stores the equivalence relationships; s is the string + // for which we find equivalent strings. + inline EquivIterator(const icu::Hashtable& hash, const icu::UnicodeString& s) + : _hash(hash) { + _start = _current = &s; + } + inline ~EquivIterator() { } + + // next returns the next equivalent string or nullptr if there are no more. + // If s has no equivalent strings, next returns nullptr on the first call. + const icu::UnicodeString *next(); +private: + const icu::Hashtable& _hash; + const icu::UnicodeString* _start; + const icu::UnicodeString* _current; +}; + +const icu::UnicodeString * +EquivIterator::next() { + const icu::UnicodeString* _next = (const icu::UnicodeString*) _hash.get(*_current); + if (_next == nullptr) { + U_ASSERT(_current == _start); + return nullptr; + } + if (*_next == *_start) { + return nullptr; + } + _current = _next; + return _next; +} + +U_NAMESPACE_END + +// makeEquivalent makes lhs and rhs equivalent by updating the equivalence +// relations in hash accordingly. +static void makeEquivalent( + const icu::UnicodeString &lhs, + const icu::UnicodeString &rhs, + icu::Hashtable* hash, UErrorCode &status) { + if (U_FAILURE(status)) { + return; + } + if (lhs == rhs) { + // already equivalent + return; + } + icu::EquivIterator leftIter(*hash, lhs); + icu::EquivIterator rightIter(*hash, rhs); + const icu::UnicodeString *firstLeft = leftIter.next(); + const icu::UnicodeString *firstRight = rightIter.next(); + const icu::UnicodeString *nextLeft = firstLeft; + const icu::UnicodeString *nextRight = firstRight; + while (nextLeft != nullptr && nextRight != nullptr) { + if (*nextLeft == rhs || *nextRight == lhs) { + // Already equivalent + return; + } + nextLeft = leftIter.next(); + nextRight = rightIter.next(); + } + // Not equivalent. Must join. + icu::UnicodeString *newFirstLeft; + icu::UnicodeString *newFirstRight; + if (firstRight == nullptr && firstLeft == nullptr) { + // Neither lhs or rhs belong to an equivalence circle, so we form + // a new equivalnce circle of just lhs and rhs. + newFirstLeft = new icu::UnicodeString(rhs); + newFirstRight = new icu::UnicodeString(lhs); + } else if (firstRight == nullptr) { + // lhs belongs to an equivalence circle, but rhs does not, so we link + // rhs into lhs' circle. + newFirstLeft = new icu::UnicodeString(rhs); + newFirstRight = new icu::UnicodeString(*firstLeft); + } else if (firstLeft == nullptr) { + // rhs belongs to an equivlance circle, but lhs does not, so we link + // lhs into rhs' circle. + newFirstLeft = new icu::UnicodeString(*firstRight); + newFirstRight = new icu::UnicodeString(lhs); + } else { + // Both lhs and rhs belong to different equivalnce circles. We link + // them together to form one single, larger equivalnce circle. + newFirstLeft = new icu::UnicodeString(*firstRight); + newFirstRight = new icu::UnicodeString(*firstLeft); + } + if (newFirstLeft == nullptr || newFirstRight == nullptr) { + delete newFirstLeft; + delete newFirstRight; + status = U_MEMORY_ALLOCATION_ERROR; + return; + } + hash->put(lhs, (void *) newFirstLeft, status); + hash->put(rhs, (void *) newFirstRight, status); +} + +// countEquivalent counts how many strings are equivalent to s. +// hash stores all the equivalnce relations. +// countEquivalent does not include s itself in the count. +static int32_t countEquivalent(const icu::Hashtable &hash, const icu::UnicodeString &s) { + int32_t result = 0; + icu::EquivIterator iter(hash, s); + while (iter.next() != nullptr) { + ++result; + } +#ifdef UCURR_DEBUG_EQUIV + { + char tmp[200]; + s.extract(0,s.length(),tmp, "UTF-8"); + printf("CountEquivalent('%s') = %d\n", tmp, result); + } +#endif + return result; +} + +static const icu::Hashtable* getCurrSymbolsEquiv(); + +//------------------------------------------------------------ +// Code + +/** + * Cleanup callback func + */ +static UBool U_CALLCONV +isoCodes_cleanup() +{ + if (gIsoCodes != nullptr) { + uhash_close(const_cast<UHashtable *>(gIsoCodes)); + gIsoCodes = nullptr; + } + gIsoCodesInitOnce.reset(); + return true; +} + +/** + * Cleanup callback func + */ +static UBool U_CALLCONV +currSymbolsEquiv_cleanup() +{ + delete const_cast<icu::Hashtable *>(gCurrSymbolsEquiv); + gCurrSymbolsEquiv = nullptr; + gCurrSymbolsEquivInitOnce.reset(); + return true; +} + +/** + * Deleter for IsoCodeEntry + */ +static void U_CALLCONV +deleteIsoCodeEntry(void *obj) { + IsoCodeEntry *entry = (IsoCodeEntry*)obj; + uprv_free(entry); +} + +/** + * Deleter for gCurrSymbolsEquiv. + */ +static void U_CALLCONV +deleteUnicode(void *obj) { + icu::UnicodeString *entry = (icu::UnicodeString*)obj; + delete entry; +} + +/** + * Unfortunately, we have to convert the char16_t* currency code to char* + * to use it as a resource key. + */ +static inline char* +myUCharsToChars(char* resultOfLen4, const char16_t* currency) { + u_UCharsToChars(currency, resultOfLen4, ISO_CURRENCY_CODE_LENGTH); + resultOfLen4[ISO_CURRENCY_CODE_LENGTH] = 0; + return resultOfLen4; +} + +/** + * Internal function to look up currency data. Result is an array of + * four integers. The first is the fraction digits. The second is the + * rounding increment, or 0 if none. The rounding increment is in + * units of 10^(-fraction_digits). The third and fourth are the same + * except that they are those used in cash transactions ( cashDigits + * and cashRounding ). + */ +static const int32_t* +_findMetaData(const char16_t* currency, UErrorCode& ec) { + + if (currency == 0 || *currency == 0) { + if (U_SUCCESS(ec)) { + ec = U_ILLEGAL_ARGUMENT_ERROR; + } + return LAST_RESORT_DATA; + } + + // Get CurrencyMeta resource out of root locale file. [This may + // move out of the root locale file later; if it does, update this + // code.] + UResourceBundle* currencyData = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &ec); + UResourceBundle* currencyMeta = ures_getByKey(currencyData, CURRENCY_META, currencyData, &ec); + + if (U_FAILURE(ec)) { + ures_close(currencyMeta); + // Config/build error; return hard-coded defaults + return LAST_RESORT_DATA; + } + + // Look up our currency, or if that's not available, then DEFAULT + char buf[ISO_CURRENCY_CODE_LENGTH+1]; + UErrorCode ec2 = U_ZERO_ERROR; // local error code: soft failure + UResourceBundle* rb = ures_getByKey(currencyMeta, myUCharsToChars(buf, currency), nullptr, &ec2); + if (U_FAILURE(ec2)) { + ures_close(rb); + rb = ures_getByKey(currencyMeta,DEFAULT_META, nullptr, &ec); + if (U_FAILURE(ec)) { + ures_close(currencyMeta); + ures_close(rb); + // Config/build error; return hard-coded defaults + return LAST_RESORT_DATA; + } + } + + int32_t len; + const int32_t *data = ures_getIntVector(rb, &len, &ec); + if (U_FAILURE(ec) || len != 4) { + // Config/build error; return hard-coded defaults + if (U_SUCCESS(ec)) { + ec = U_INVALID_FORMAT_ERROR; + } + ures_close(currencyMeta); + ures_close(rb); + return LAST_RESORT_DATA; + } + + ures_close(currencyMeta); + ures_close(rb); + return data; +} + +// ------------------------------------- + +static void +idForLocale(const char* locale, char* countryAndVariant, int capacity, UErrorCode* ec) +{ + ulocimp_getRegionForSupplementalData(locale, false, countryAndVariant, capacity, ec); +} + +// ------------------------------------------ +// +// Registration +// +//------------------------------------------- + +// don't use ICUService since we don't need fallback + +U_CDECL_BEGIN +static UBool U_CALLCONV currency_cleanup(); +U_CDECL_END + +#if !UCONFIG_NO_SERVICE +struct CReg; + +static UMutex gCRegLock; +static CReg* gCRegHead = 0; + +struct CReg : public icu::UMemory { + CReg *next; + char16_t iso[ISO_CURRENCY_CODE_LENGTH+1]; + char id[ULOC_FULLNAME_CAPACITY]; + + CReg(const char16_t* _iso, const char* _id) + : next(0) + { + int32_t len = (int32_t)uprv_strlen(_id); + if (len > (int32_t)(sizeof(id)-1)) { + len = (sizeof(id)-1); + } + uprv_strncpy(id, _id, len); + id[len] = 0; + u_memcpy(iso, _iso, ISO_CURRENCY_CODE_LENGTH); + iso[ISO_CURRENCY_CODE_LENGTH] = 0; + } + + static UCurrRegistryKey reg(const char16_t* _iso, const char* _id, UErrorCode* status) + { + if (status && U_SUCCESS(*status) && _iso && _id) { + CReg* n = new CReg(_iso, _id); + if (n) { + umtx_lock(&gCRegLock); + if (!gCRegHead) { + /* register for the first time */ + ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup); + } + n->next = gCRegHead; + gCRegHead = n; + umtx_unlock(&gCRegLock); + return n; + } + *status = U_MEMORY_ALLOCATION_ERROR; + } + return 0; + } + + static UBool unreg(UCurrRegistryKey key) { + UBool found = false; + umtx_lock(&gCRegLock); + + CReg** p = &gCRegHead; + while (*p) { + if (*p == key) { + *p = ((CReg*)key)->next; + delete (CReg*)key; + found = true; + break; + } + p = &((*p)->next); + } + + umtx_unlock(&gCRegLock); + return found; + } + + static const char16_t* get(const char* id) { + const char16_t* result = nullptr; + umtx_lock(&gCRegLock); + CReg* p = gCRegHead; + + /* register cleanup of the mutex */ + ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup); + while (p) { + if (uprv_strcmp(id, p->id) == 0) { + result = p->iso; + break; + } + p = p->next; + } + umtx_unlock(&gCRegLock); + return result; + } + + /* This doesn't need to be thread safe. It's for u_cleanup only. */ + static void cleanup() { + while (gCRegHead) { + CReg* n = gCRegHead; + gCRegHead = gCRegHead->next; + delete n; + } + } +}; + +// ------------------------------------- + +U_CAPI UCurrRegistryKey U_EXPORT2 +ucurr_register(const char16_t* isoCode, const char* locale, UErrorCode *status) +{ + if (status && U_SUCCESS(*status)) { + char id[ULOC_FULLNAME_CAPACITY]; + idForLocale(locale, id, sizeof(id), status); + return CReg::reg(isoCode, id, status); + } + return nullptr; +} + +// ------------------------------------- + +U_CAPI UBool U_EXPORT2 +ucurr_unregister(UCurrRegistryKey key, UErrorCode* status) +{ + if (status && U_SUCCESS(*status)) { + return CReg::unreg(key); + } + return false; +} +#endif /* UCONFIG_NO_SERVICE */ + +// ------------------------------------- + +/** + * Release all static memory held by currency. + */ +/*The declaration here is needed so currency_cleanup() + * can call this function. + */ +static UBool U_CALLCONV +currency_cache_cleanup(); + +U_CDECL_BEGIN +static UBool U_CALLCONV currency_cleanup() { +#if !UCONFIG_NO_SERVICE + CReg::cleanup(); +#endif + /* + * There might be some cached currency data or isoCodes data. + */ + currency_cache_cleanup(); + isoCodes_cleanup(); + currSymbolsEquiv_cleanup(); + + return true; +} +U_CDECL_END + +// ------------------------------------- + +U_CAPI int32_t U_EXPORT2 +ucurr_forLocale(const char* locale, + char16_t* buff, + int32_t buffCapacity, + UErrorCode* ec) { + if (U_FAILURE(*ec)) { return 0; } + if (buffCapacity < 0 || (buff == nullptr && buffCapacity > 0)) { + *ec = U_ILLEGAL_ARGUMENT_ERROR; + return 0; + } + + char currency[4]; // ISO currency codes are alpha3 codes. + UErrorCode localStatus = U_ZERO_ERROR; + int32_t resLen = uloc_getKeywordValue(locale, "currency", + currency, UPRV_LENGTHOF(currency), &localStatus); + if (U_SUCCESS(localStatus) && resLen == 3 && uprv_isInvariantString(currency, resLen)) { + if (resLen < buffCapacity) { + T_CString_toUpperCase(currency); + u_charsToUChars(currency, buff, resLen); + } + return u_terminateUChars(buff, buffCapacity, resLen, ec); + } + + // get country or country_variant in `id' + char id[ULOC_FULLNAME_CAPACITY]; + idForLocale(locale, id, UPRV_LENGTHOF(id), ec); + if (U_FAILURE(*ec)) { + return 0; + } + +#if !UCONFIG_NO_SERVICE + const char16_t* result = CReg::get(id); + if (result) { + if(buffCapacity > u_strlen(result)) { + u_strcpy(buff, result); + } + resLen = u_strlen(result); + return u_terminateUChars(buff, buffCapacity, resLen, ec); + } +#endif + // Remove variants, which is only needed for registration. + char *idDelim = uprv_strchr(id, VAR_DELIM); + if (idDelim) { + idDelim[0] = 0; + } + + const char16_t* s = nullptr; // Currency code from data file. + if (id[0] == 0) { + // No point looking in the data for an empty string. + // This is what we would get. + localStatus = U_MISSING_RESOURCE_ERROR; + } else { + // Look up the CurrencyMap element in the root bundle. + localStatus = U_ZERO_ERROR; + UResourceBundle *rb = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &localStatus); + UResourceBundle *cm = ures_getByKey(rb, CURRENCY_MAP, rb, &localStatus); + UResourceBundle *countryArray = ures_getByKey(rb, id, cm, &localStatus); + // https://unicode-org.atlassian.net/browse/ICU-21997 + // Prefer to use currencies that are legal tender. + if (U_SUCCESS(localStatus)) { + int32_t arrayLength = ures_getSize(countryArray); + for (int32_t i = 0; i < arrayLength; ++i) { + LocalUResourceBundlePointer currencyReq( + ures_getByIndex(countryArray, i, nullptr, &localStatus)); + // The currency is legal tender if it is *not* marked with tender{"false"}. + UErrorCode tenderStatus = localStatus; + const char16_t *tender = + ures_getStringByKey(currencyReq.getAlias(), "tender", nullptr, &tenderStatus); + bool isTender = U_FAILURE(tenderStatus) || u_strcmp(tender, u"false") != 0; + if (!isTender && s != nullptr) { + // We already have a non-tender currency. Ignore all following non-tender ones. + continue; + } + // Fetch the currency code. + s = ures_getStringByKey(currencyReq.getAlias(), "id", &resLen, &localStatus); + if (isTender) { + break; + } + } + if (U_SUCCESS(localStatus) && s == nullptr) { + localStatus = U_MISSING_RESOURCE_ERROR; + } + } + ures_close(countryArray); + } + + if ((U_FAILURE(localStatus)) && strchr(id, '_') != 0) { + // We don't know about it. Check to see if we support the variant. + uloc_getParent(locale, id, UPRV_LENGTHOF(id), ec); + *ec = U_USING_FALLBACK_WARNING; + // TODO: Loop over the shortened id rather than recursing and + // looking again for a currency keyword. + return ucurr_forLocale(id, buff, buffCapacity, ec); + } + if (*ec == U_ZERO_ERROR || localStatus != U_ZERO_ERROR) { + // There is nothing to fallback to. Report the failure/warning if possible. + *ec = localStatus; + } + if (U_SUCCESS(*ec)) { + if(buffCapacity > resLen) { + u_strcpy(buff, s); + } + } + return u_terminateUChars(buff, buffCapacity, resLen, ec); +} + +// end registration + +/** + * Modify the given locale name by removing the rightmost _-delimited + * element. If there is none, empty the string ("" == root). + * NOTE: The string "root" is not recognized; do not use it. + * @return true if the fallback happened; false if locale is already + * root (""). + */ +static UBool fallback(char *loc) { + if (!*loc) { + return false; + } + UErrorCode status = U_ZERO_ERROR; + if (uprv_strcmp(loc, "en_GB") == 0) { + // HACK: See #13368. We need "en_GB" to fall back to "en_001" instead of "en" + // in order to consume the correct data strings. This hack will be removed + // when proper data sink loading is implemented here. + // NOTE: "001" adds 1 char over "GB". However, both call sites allocate + // arrays with length ULOC_FULLNAME_CAPACITY (plenty of room for en_001). + uprv_strcpy(loc + 3, "001"); + } else { + uloc_getParent(loc, loc, (int32_t)uprv_strlen(loc), &status); + } + /* + char *i = uprv_strrchr(loc, '_'); + if (i == nullptr) { + i = loc; + } + *i = 0; + */ + return true; +} + + +U_CAPI const char16_t* U_EXPORT2 +ucurr_getName(const char16_t* currency, + const char* locale, + UCurrNameStyle nameStyle, + UBool* isChoiceFormat, // fillin + int32_t* len, // fillin + UErrorCode* ec) { + + // Look up the Currencies resource for the given locale. The + // Currencies locale data looks like this: + //|en { + //| Currencies { + //| USD { "US$", "US Dollar" } + //| CHF { "Sw F", "Swiss Franc" } + //| INR { "=0#Rs|1#Re|1<Rs", "=0#Rupees|1#Rupee|1<Rupees" } + //| //... + //| } + //|} + + if (U_FAILURE(*ec)) { + return 0; + } + + int32_t choice = (int32_t) nameStyle; + if (choice < 0 || choice > 4) { + *ec = U_ILLEGAL_ARGUMENT_ERROR; + return 0; + } + + // In the future, resource bundles may implement multi-level + // fallback. That is, if a currency is not found in the en_US + // Currencies data, then the en Currencies data will be searched. + // Currently, if a Currencies datum exists in en_US and en, the + // en_US entry hides that in en. + + // We want multi-level fallback for this resource, so we implement + // it manually. + + // Use a separate UErrorCode here that does not propagate out of + // this function. + UErrorCode ec2 = U_ZERO_ERROR; + + char loc[ULOC_FULLNAME_CAPACITY]; + uloc_getName(locale, loc, sizeof(loc), &ec2); + if (U_FAILURE(ec2) || ec2 == U_STRING_NOT_TERMINATED_WARNING) { + *ec = U_ILLEGAL_ARGUMENT_ERROR; + return 0; + } + + char buf[ISO_CURRENCY_CODE_LENGTH+1]; + myUCharsToChars(buf, currency); + + /* Normalize the keyword value to uppercase */ + T_CString_toUpperCase(buf); + + const char16_t* s = nullptr; + ec2 = U_ZERO_ERROR; + LocalUResourceBundlePointer rb(ures_open(U_ICUDATA_CURR, loc, &ec2)); + + if (nameStyle == UCURR_NARROW_SYMBOL_NAME || nameStyle == UCURR_FORMAL_SYMBOL_NAME || nameStyle == UCURR_VARIANT_SYMBOL_NAME) { + CharString key; + switch (nameStyle) { + case UCURR_NARROW_SYMBOL_NAME: + key.append(CURRENCIES_NARROW, ec2); + break; + case UCURR_FORMAL_SYMBOL_NAME: + key.append(CURRENCIES_FORMAL, ec2); + break; + case UCURR_VARIANT_SYMBOL_NAME: + key.append(CURRENCIES_VARIANT, ec2); + break; + default: + *ec = U_UNSUPPORTED_ERROR; + return 0; + } + key.append("/", ec2); + key.append(buf, ec2); + s = ures_getStringByKeyWithFallback(rb.getAlias(), key.data(), len, &ec2); + if (ec2 == U_MISSING_RESOURCE_ERROR) { + *ec = U_USING_FALLBACK_WARNING; + ec2 = U_ZERO_ERROR; + choice = UCURR_SYMBOL_NAME; + } + } + if (s == nullptr) { + ures_getByKey(rb.getAlias(), CURRENCIES, rb.getAlias(), &ec2); + ures_getByKeyWithFallback(rb.getAlias(), buf, rb.getAlias(), &ec2); + s = ures_getStringByIndex(rb.getAlias(), choice, len, &ec2); + } + + // If we've succeeded we're done. Otherwise, try to fallback. + // If that fails (because we are already at root) then exit. + if (U_SUCCESS(ec2)) { + if (ec2 == U_USING_DEFAULT_WARNING + || (ec2 == U_USING_FALLBACK_WARNING && *ec != U_USING_DEFAULT_WARNING)) { + *ec = ec2; + } + } + + // We no longer support choice format data in names. Data should not contain + // choice patterns. + if (isChoiceFormat != nullptr) { + *isChoiceFormat = false; + } + if (U_SUCCESS(ec2)) { + U_ASSERT(s != nullptr); + return s; + } + + // If we fail to find a match, use the ISO 4217 code + *len = u_strlen(currency); // Should == ISO_CURRENCY_CODE_LENGTH, but maybe not...? + *ec = U_USING_DEFAULT_WARNING; + return currency; +} + +U_CAPI const char16_t* U_EXPORT2 +ucurr_getPluralName(const char16_t* currency, + const char* locale, + UBool* isChoiceFormat, + const char* pluralCount, + int32_t* len, // fillin + UErrorCode* ec) { + // Look up the Currencies resource for the given locale. The + // Currencies locale data looks like this: + //|en { + //| CurrencyPlurals { + //| USD{ + //| one{"US dollar"} + //| other{"US dollars"} + //| } + //| } + //|} + + if (U_FAILURE(*ec)) { + return 0; + } + + // Use a separate UErrorCode here that does not propagate out of + // this function. + UErrorCode ec2 = U_ZERO_ERROR; + + char loc[ULOC_FULLNAME_CAPACITY]; + uloc_getName(locale, loc, sizeof(loc), &ec2); + if (U_FAILURE(ec2) || ec2 == U_STRING_NOT_TERMINATED_WARNING) { + *ec = U_ILLEGAL_ARGUMENT_ERROR; + return 0; + } + + char buf[ISO_CURRENCY_CODE_LENGTH+1]; + myUCharsToChars(buf, currency); + + const char16_t* s = nullptr; + ec2 = U_ZERO_ERROR; + UResourceBundle* rb = ures_open(U_ICUDATA_CURR, loc, &ec2); + + rb = ures_getByKey(rb, CURRENCYPLURALS, rb, &ec2); + + // Fetch resource with multi-level resource inheritance fallback + rb = ures_getByKeyWithFallback(rb, buf, rb, &ec2); + + s = ures_getStringByKeyWithFallback(rb, pluralCount, len, &ec2); + if (U_FAILURE(ec2)) { + // fall back to "other" + ec2 = U_ZERO_ERROR; + s = ures_getStringByKeyWithFallback(rb, "other", len, &ec2); + if (U_FAILURE(ec2)) { + ures_close(rb); + // fall back to long name in Currencies + return ucurr_getName(currency, locale, UCURR_LONG_NAME, + isChoiceFormat, len, ec); + } + } + ures_close(rb); + + // If we've succeeded we're done. Otherwise, try to fallback. + // If that fails (because we are already at root) then exit. + if (U_SUCCESS(ec2)) { + if (ec2 == U_USING_DEFAULT_WARNING + || (ec2 == U_USING_FALLBACK_WARNING && *ec != U_USING_DEFAULT_WARNING)) { + *ec = ec2; + } + U_ASSERT(s != nullptr); + return s; + } + + // If we fail to find a match, use the ISO 4217 code + *len = u_strlen(currency); // Should == ISO_CURRENCY_CODE_LENGTH, but maybe not...? + *ec = U_USING_DEFAULT_WARNING; + return currency; +} + + +//======================================================================== +// Following are structure and function for parsing currency names + +#define NEED_TO_BE_DELETED 0x1 + +// TODO: a better way to define this? +#define MAX_CURRENCY_NAME_LEN 100 + +typedef struct { + const char* IsoCode; // key + char16_t* currencyName; // value + int32_t currencyNameLen; // value length + int32_t flag; // flags +} CurrencyNameStruct; + + +#ifndef MIN +#define MIN(a,b) (((a)<(b)) ? (a) : (b)) +#endif + +#ifndef MAX +#define MAX(a,b) (((a)<(b)) ? (b) : (a)) +#endif + + +// Comparison function used in quick sort. +static int U_CALLCONV currencyNameComparator(const void* a, const void* b) { + const CurrencyNameStruct* currName_1 = (const CurrencyNameStruct*)a; + const CurrencyNameStruct* currName_2 = (const CurrencyNameStruct*)b; + for (int32_t i = 0; + i < MIN(currName_1->currencyNameLen, currName_2->currencyNameLen); + ++i) { + if (currName_1->currencyName[i] < currName_2->currencyName[i]) { + return -1; + } + if (currName_1->currencyName[i] > currName_2->currencyName[i]) { + return 1; + } + } + if (currName_1->currencyNameLen < currName_2->currencyNameLen) { + return -1; + } else if (currName_1->currencyNameLen > currName_2->currencyNameLen) { + return 1; + } + return 0; +} + + +// Give a locale, return the maximum number of currency names associated with +// this locale. +// It gets currency names from resource bundles using fallback. +// It is the maximum number because in the fallback chain, some of the +// currency names are duplicated. +// For example, given locale as "en_US", the currency names get from resource +// bundle in "en_US" and "en" are duplicated. The fallback mechanism will count +// all currency names in "en_US" and "en". +static void +getCurrencyNameCount(const char* loc, int32_t* total_currency_name_count, int32_t* total_currency_symbol_count) { + U_NAMESPACE_USE + *total_currency_name_count = 0; + *total_currency_symbol_count = 0; + const char16_t* s = nullptr; + char locale[ULOC_FULLNAME_CAPACITY] = ""; + uprv_strcpy(locale, loc); + const icu::Hashtable *currencySymbolsEquiv = getCurrSymbolsEquiv(); + for (;;) { + UErrorCode ec2 = U_ZERO_ERROR; + // TODO: ures_openDirect? + UResourceBundle* rb = ures_open(U_ICUDATA_CURR, locale, &ec2); + UResourceBundle* curr = ures_getByKey(rb, CURRENCIES, nullptr, &ec2); + int32_t n = ures_getSize(curr); + for (int32_t i=0; i<n; ++i) { + UResourceBundle* names = ures_getByIndex(curr, i, nullptr, &ec2); + int32_t len; + s = ures_getStringByIndex(names, UCURR_SYMBOL_NAME, &len, &ec2); + ++(*total_currency_symbol_count); // currency symbol + if (currencySymbolsEquiv != nullptr) { + *total_currency_symbol_count += countEquivalent(*currencySymbolsEquiv, UnicodeString(true, s, len)); + } + ++(*total_currency_symbol_count); // iso code + ++(*total_currency_name_count); // long name + ures_close(names); + } + + // currency plurals + UErrorCode ec3 = U_ZERO_ERROR; + UResourceBundle* curr_p = ures_getByKey(rb, CURRENCYPLURALS, nullptr, &ec3); + n = ures_getSize(curr_p); + for (int32_t i=0; i<n; ++i) { + UResourceBundle* names = ures_getByIndex(curr_p, i, nullptr, &ec3); + *total_currency_name_count += ures_getSize(names); + ures_close(names); + } + ures_close(curr_p); + ures_close(curr); + ures_close(rb); + + if (!fallback(locale)) { + break; + } + } +} + +static char16_t* +toUpperCase(const char16_t* source, int32_t len, const char* locale) { + char16_t* dest = nullptr; + UErrorCode ec = U_ZERO_ERROR; + int32_t destLen = u_strToUpper(dest, 0, source, len, locale, &ec); + + ec = U_ZERO_ERROR; + dest = (char16_t*)uprv_malloc(sizeof(char16_t) * MAX(destLen, len)); + u_strToUpper(dest, destLen, source, len, locale, &ec); + if (U_FAILURE(ec)) { + u_memcpy(dest, source, len); + } + return dest; +} + + +// Collect all available currency names associated with the given locale +// (enable fallback chain). +// Read currenc names defined in resource bundle "Currencies" and +// "CurrencyPlural", enable fallback chain. +// return the malloc-ed currency name arrays and the total number of currency +// names in the array. +static void +collectCurrencyNames(const char* locale, + CurrencyNameStruct** currencyNames, + int32_t* total_currency_name_count, + CurrencyNameStruct** currencySymbols, + int32_t* total_currency_symbol_count, + UErrorCode& ec) { + U_NAMESPACE_USE + const icu::Hashtable *currencySymbolsEquiv = getCurrSymbolsEquiv(); + // Look up the Currencies resource for the given locale. + UErrorCode ec2 = U_ZERO_ERROR; + + char loc[ULOC_FULLNAME_CAPACITY] = ""; + uloc_getName(locale, loc, sizeof(loc), &ec2); + if (U_FAILURE(ec2) || ec2 == U_STRING_NOT_TERMINATED_WARNING) { + ec = U_ILLEGAL_ARGUMENT_ERROR; + } + + // Get maximum currency name count first. + getCurrencyNameCount(loc, total_currency_name_count, total_currency_symbol_count); + + *currencyNames = (CurrencyNameStruct*)uprv_malloc + (sizeof(CurrencyNameStruct) * (*total_currency_name_count)); + *currencySymbols = (CurrencyNameStruct*)uprv_malloc + (sizeof(CurrencyNameStruct) * (*total_currency_symbol_count)); + + if(currencyNames == nullptr || currencySymbols == nullptr) { + ec = U_MEMORY_ALLOCATION_ERROR; + } + + if (U_FAILURE(ec)) return; + + const char16_t* s = nullptr; // currency name + char* iso = nullptr; // currency ISO code + + *total_currency_name_count = 0; + *total_currency_symbol_count = 0; + + UErrorCode ec3 = U_ZERO_ERROR; + UErrorCode ec4 = U_ZERO_ERROR; + + // Using hash to remove duplicates caused by locale fallback + UHashtable* currencyIsoCodes = uhash_open(uhash_hashChars, uhash_compareChars, nullptr, &ec3); + UHashtable* currencyPluralIsoCodes = uhash_open(uhash_hashChars, uhash_compareChars, nullptr, &ec4); + for (int32_t localeLevel = 0; ; ++localeLevel) { + ec2 = U_ZERO_ERROR; + // TODO: ures_openDirect + UResourceBundle* rb = ures_open(U_ICUDATA_CURR, loc, &ec2); + UResourceBundle* curr = ures_getByKey(rb, CURRENCIES, nullptr, &ec2); + int32_t n = ures_getSize(curr); + for (int32_t i=0; i<n; ++i) { + UResourceBundle* names = ures_getByIndex(curr, i, nullptr, &ec2); + int32_t len; + s = ures_getStringByIndex(names, UCURR_SYMBOL_NAME, &len, &ec2); + // TODO: uhash_put wont change key/value? + iso = (char*)ures_getKey(names); + if (localeLevel == 0) { + uhash_put(currencyIsoCodes, iso, iso, &ec3); + } else { + if (uhash_get(currencyIsoCodes, iso) != nullptr) { + ures_close(names); + continue; + } else { + uhash_put(currencyIsoCodes, iso, iso, &ec3); + } + } + // Add currency symbol. + (*currencySymbols)[*total_currency_symbol_count].IsoCode = iso; + (*currencySymbols)[*total_currency_symbol_count].currencyName = (char16_t*)s; + (*currencySymbols)[*total_currency_symbol_count].flag = 0; + (*currencySymbols)[(*total_currency_symbol_count)++].currencyNameLen = len; + // Add equivalent symbols + if (currencySymbolsEquiv != nullptr) { + UnicodeString str(true, s, len); + icu::EquivIterator iter(*currencySymbolsEquiv, str); + const UnicodeString *symbol; + while ((symbol = iter.next()) != nullptr) { + (*currencySymbols)[*total_currency_symbol_count].IsoCode = iso; + (*currencySymbols)[*total_currency_symbol_count].currencyName = + const_cast<char16_t*>(symbol->getBuffer()); + (*currencySymbols)[*total_currency_symbol_count].flag = 0; + (*currencySymbols)[(*total_currency_symbol_count)++].currencyNameLen = symbol->length(); + } + } + + // Add currency long name. + s = ures_getStringByIndex(names, UCURR_LONG_NAME, &len, &ec2); + (*currencyNames)[*total_currency_name_count].IsoCode = iso; + char16_t* upperName = toUpperCase(s, len, locale); + (*currencyNames)[*total_currency_name_count].currencyName = upperName; + (*currencyNames)[*total_currency_name_count].flag = NEED_TO_BE_DELETED; + (*currencyNames)[(*total_currency_name_count)++].currencyNameLen = len; + + // put (iso, 3, and iso) in to array + // Add currency ISO code. + (*currencySymbols)[*total_currency_symbol_count].IsoCode = iso; + (*currencySymbols)[*total_currency_symbol_count].currencyName = (char16_t*)uprv_malloc(sizeof(char16_t)*3); + // Must convert iso[] into Unicode + u_charsToUChars(iso, (*currencySymbols)[*total_currency_symbol_count].currencyName, 3); + (*currencySymbols)[*total_currency_symbol_count].flag = NEED_TO_BE_DELETED; + (*currencySymbols)[(*total_currency_symbol_count)++].currencyNameLen = 3; + + ures_close(names); + } + + // currency plurals + UErrorCode ec5 = U_ZERO_ERROR; + UResourceBundle* curr_p = ures_getByKey(rb, CURRENCYPLURALS, nullptr, &ec5); + n = ures_getSize(curr_p); + for (int32_t i=0; i<n; ++i) { + UResourceBundle* names = ures_getByIndex(curr_p, i, nullptr, &ec5); + iso = (char*)ures_getKey(names); + // Using hash to remove duplicated ISO codes in fallback chain. + if (localeLevel == 0) { + uhash_put(currencyPluralIsoCodes, iso, iso, &ec4); + } else { + if (uhash_get(currencyPluralIsoCodes, iso) != nullptr) { + ures_close(names); + continue; + } else { + uhash_put(currencyPluralIsoCodes, iso, iso, &ec4); + } + } + int32_t num = ures_getSize(names); + int32_t len; + for (int32_t j = 0; j < num; ++j) { + // TODO: remove duplicates between singular name and + // currency long name? + s = ures_getStringByIndex(names, j, &len, &ec5); + (*currencyNames)[*total_currency_name_count].IsoCode = iso; + char16_t* upperName = toUpperCase(s, len, locale); + (*currencyNames)[*total_currency_name_count].currencyName = upperName; + (*currencyNames)[*total_currency_name_count].flag = NEED_TO_BE_DELETED; + (*currencyNames)[(*total_currency_name_count)++].currencyNameLen = len; + } + ures_close(names); + } + ures_close(curr_p); + ures_close(curr); + ures_close(rb); + + if (!fallback(loc)) { + break; + } + } + + uhash_close(currencyIsoCodes); + uhash_close(currencyPluralIsoCodes); + + // quick sort the struct + qsort(*currencyNames, *total_currency_name_count, + sizeof(CurrencyNameStruct), currencyNameComparator); + qsort(*currencySymbols, *total_currency_symbol_count, + sizeof(CurrencyNameStruct), currencyNameComparator); + +#ifdef UCURR_DEBUG + printf("currency name count: %d\n", *total_currency_name_count); + for (int32_t index = 0; index < *total_currency_name_count; ++index) { + printf("index: %d\n", index); + printf("iso: %s\n", (*currencyNames)[index].IsoCode); + char curNameBuf[1024]; + memset(curNameBuf, 0, 1024); + u_austrncpy(curNameBuf, (*currencyNames)[index].currencyName, (*currencyNames)[index].currencyNameLen); + printf("currencyName: %s\n", curNameBuf); + printf("len: %d\n", (*currencyNames)[index].currencyNameLen); + } + printf("currency symbol count: %d\n", *total_currency_symbol_count); + for (int32_t index = 0; index < *total_currency_symbol_count; ++index) { + printf("index: %d\n", index); + printf("iso: %s\n", (*currencySymbols)[index].IsoCode); + char curNameBuf[1024]; + memset(curNameBuf, 0, 1024); + u_austrncpy(curNameBuf, (*currencySymbols)[index].currencyName, (*currencySymbols)[index].currencyNameLen); + printf("currencySymbol: %s\n", curNameBuf); + printf("len: %d\n", (*currencySymbols)[index].currencyNameLen); + } +#endif + // fail on hashtable errors + if (U_FAILURE(ec3)) { + ec = ec3; + return; + } + if (U_FAILURE(ec4)) { + ec = ec4; + return; + } +} + +// @param currencyNames: currency names array +// @param indexInCurrencyNames: the index of the character in currency names +// array against which the comparison is done +// @param key: input text char to compare against +// @param begin(IN/OUT): the begin index of matching range in currency names array +// @param end(IN/OUT): the end index of matching range in currency names array. +static int32_t +binarySearch(const CurrencyNameStruct* currencyNames, + int32_t indexInCurrencyNames, + const char16_t key, + int32_t* begin, int32_t* end) { +#ifdef UCURR_DEBUG + printf("key = %x\n", key); +#endif + int32_t first = *begin; + int32_t last = *end; + while (first <= last) { + int32_t mid = (first + last) / 2; // compute mid point. + if (indexInCurrencyNames >= currencyNames[mid].currencyNameLen) { + first = mid + 1; + } else { + if (key > currencyNames[mid].currencyName[indexInCurrencyNames]) { + first = mid + 1; + } + else if (key < currencyNames[mid].currencyName[indexInCurrencyNames]) { + last = mid - 1; + } + else { + // Find a match, and looking for ranges + // Now do two more binary searches. First, on the left side for + // the greatest L such that CurrencyNameStruct[L] < key. + int32_t L = *begin; + int32_t R = mid; + +#ifdef UCURR_DEBUG + printf("mid = %d\n", mid); +#endif + while (L < R) { + int32_t M = (L + R) / 2; +#ifdef UCURR_DEBUG + printf("L = %d, R = %d, M = %d\n", L, R, M); +#endif + if (indexInCurrencyNames >= currencyNames[M].currencyNameLen) { + L = M + 1; + } else { + if (currencyNames[M].currencyName[indexInCurrencyNames] < key) { + L = M + 1; + } else { +#ifdef UCURR_DEBUG + U_ASSERT(currencyNames[M].currencyName[indexInCurrencyNames] == key); +#endif + R = M; + } + } + } +#ifdef UCURR_DEBUG + U_ASSERT(L == R); +#endif + *begin = L; +#ifdef UCURR_DEBUG + printf("begin = %d\n", *begin); + U_ASSERT(currencyNames[*begin].currencyName[indexInCurrencyNames] == key); +#endif + + // Now for the second search, finding the least R such that + // key < CurrencyNameStruct[R]. + L = mid; + R = *end; + while (L < R) { + int32_t M = (L + R) / 2; +#ifdef UCURR_DEBUG + printf("L = %d, R = %d, M = %d\n", L, R, M); +#endif + if (currencyNames[M].currencyNameLen < indexInCurrencyNames) { + L = M + 1; + } else { + if (currencyNames[M].currencyName[indexInCurrencyNames] > key) { + R = M; + } else { +#ifdef UCURR_DEBUG + U_ASSERT(currencyNames[M].currencyName[indexInCurrencyNames] == key); +#endif + L = M + 1; + } + } + } +#ifdef UCURR_DEBUG + U_ASSERT(L == R); +#endif + if (currencyNames[R].currencyName[indexInCurrencyNames] > key) { + *end = R - 1; + } else { + *end = R; + } +#ifdef UCURR_DEBUG + printf("end = %d\n", *end); +#endif + + // now, found the range. check whether there is exact match + if (currencyNames[*begin].currencyNameLen == indexInCurrencyNames + 1) { + return *begin; // find range and exact match. + } + return -1; // find range, but no exact match. + } + } + } + *begin = -1; + *end = -1; + return -1; // failed to find range. +} + + +// Linear search "text" in "currencyNames". +// @param begin, end: the begin and end index in currencyNames, within which +// range should the search be performed. +// @param textLen: the length of the text to be compared +// @param maxMatchLen(IN/OUT): passing in the computed max matching length +// pass out the new max matching length +// @param maxMatchIndex: the index in currencyName which has the longest +// match with input text. +static void +linearSearch(const CurrencyNameStruct* currencyNames, + int32_t begin, int32_t end, + const char16_t* text, int32_t textLen, + int32_t *partialMatchLen, + int32_t *maxMatchLen, int32_t* maxMatchIndex) { + int32_t initialPartialMatchLen = *partialMatchLen; + for (int32_t index = begin; index <= end; ++index) { + int32_t len = currencyNames[index].currencyNameLen; + if (len > *maxMatchLen && len <= textLen && + uprv_memcmp(currencyNames[index].currencyName, text, len * sizeof(char16_t)) == 0) { + *partialMatchLen = MAX(*partialMatchLen, len); + *maxMatchIndex = index; + *maxMatchLen = len; +#ifdef UCURR_DEBUG + printf("maxMatchIndex = %d, maxMatchLen = %d\n", + *maxMatchIndex, *maxMatchLen); +#endif + } else { + // Check for partial matches. + for (int32_t i=initialPartialMatchLen; i<MIN(len, textLen); i++) { + if (currencyNames[index].currencyName[i] != text[i]) { + break; + } + *partialMatchLen = MAX(*partialMatchLen, i + 1); + } + } + } +} + +#define LINEAR_SEARCH_THRESHOLD 10 + +// Find longest match between "text" and currency names in "currencyNames". +// @param total_currency_count: total number of currency names in CurrencyNames. +// @param textLen: the length of the text to be compared +// @param maxMatchLen: passing in the computed max matching length +// pass out the new max matching length +// @param maxMatchIndex: the index in currencyName which has the longest +// match with input text. +static void +searchCurrencyName(const CurrencyNameStruct* currencyNames, + int32_t total_currency_count, + const char16_t* text, int32_t textLen, + int32_t *partialMatchLen, + int32_t* maxMatchLen, int32_t* maxMatchIndex) { + *maxMatchIndex = -1; + *maxMatchLen = 0; + int32_t matchIndex = -1; + int32_t binarySearchBegin = 0; + int32_t binarySearchEnd = total_currency_count - 1; + // It is a variant of binary search. + // For example, given the currency names in currencyNames array are: + // A AB ABC AD AZ B BB BBEX BBEXYZ BS C D E.... + // and the input text is BBEXST + // The first round binary search search "B" in the text against + // the first char in currency names, and find the first char matching range + // to be "B BB BBEX BBEXYZ BS" (and the maximum matching "B"). + // The 2nd round binary search search the second "B" in the text against + // the 2nd char in currency names, and narrow the matching range to + // "BB BBEX BBEXYZ" (and the maximum matching "BB"). + // The 3rd round returns the range as "BBEX BBEXYZ" (without changing + // maximum matching). + // The 4th round returns the same range (the maximum matching is "BBEX"). + // The 5th round returns no matching range. + for (int32_t index = 0; index < textLen; ++index) { + // matchIndex saves the one with exact match till the current point. + // [binarySearchBegin, binarySearchEnd] saves the matching range. + matchIndex = binarySearch(currencyNames, index, + text[index], + &binarySearchBegin, &binarySearchEnd); + if (binarySearchBegin == -1) { // did not find the range + break; + } + *partialMatchLen = MAX(*partialMatchLen, index + 1); + if (matchIndex != -1) { + // find an exact match for text from text[0] to text[index] + // in currencyNames array. + *maxMatchLen = index + 1; + *maxMatchIndex = matchIndex; + } + if (binarySearchEnd - binarySearchBegin < LINEAR_SEARCH_THRESHOLD) { + // linear search if within threshold. + linearSearch(currencyNames, binarySearchBegin, binarySearchEnd, + text, textLen, + partialMatchLen, + maxMatchLen, maxMatchIndex); + break; + } + } + return; +} + +//========================= currency name cache ===================== +typedef struct { + char locale[ULOC_FULLNAME_CAPACITY]; //key + // currency names, case insensitive + CurrencyNameStruct* currencyNames; // value + int32_t totalCurrencyNameCount; // currency name count + // currency symbols and ISO code, case sensitive + CurrencyNameStruct* currencySymbols; // value + int32_t totalCurrencySymbolCount; // count + // reference count. + // reference count is set to 1 when an entry is put to cache. + // it increases by 1 before accessing, and decreased by 1 after accessing. + // The entry is deleted when ref count is zero, which means + // the entry is replaced out of cache and no process is accessing it. + int32_t refCount; +} CurrencyNameCacheEntry; + + +#define CURRENCY_NAME_CACHE_NUM 10 + +// Reserve 10 cache entries. +static CurrencyNameCacheEntry* currCache[CURRENCY_NAME_CACHE_NUM] = {nullptr}; +// Using an index to indicate which entry to be replaced when cache is full. +// It is a simple round-robin replacement strategy. +static int8_t currentCacheEntryIndex = 0; + +static UMutex gCurrencyCacheMutex; + +// Cache deletion +static void +deleteCurrencyNames(CurrencyNameStruct* currencyNames, int32_t count) { + for (int32_t index = 0; index < count; ++index) { + if ( (currencyNames[index].flag & NEED_TO_BE_DELETED) ) { + uprv_free(currencyNames[index].currencyName); + } + } + uprv_free(currencyNames); +} + + +static void +deleteCacheEntry(CurrencyNameCacheEntry* entry) { + deleteCurrencyNames(entry->currencyNames, entry->totalCurrencyNameCount); + deleteCurrencyNames(entry->currencySymbols, entry->totalCurrencySymbolCount); + uprv_free(entry); +} + + +// Cache clean up +static UBool U_CALLCONV +currency_cache_cleanup() { + for (int32_t i = 0; i < CURRENCY_NAME_CACHE_NUM; ++i) { + if (currCache[i]) { + deleteCacheEntry(currCache[i]); + currCache[i] = 0; + } + } + return true; +} + + +/** + * Loads the currency name data from the cache, or from resource bundles if necessary. + * The refCount is automatically incremented. It is the caller's responsibility + * to decrement it when done! + */ +static CurrencyNameCacheEntry* +getCacheEntry(const char* locale, UErrorCode& ec) { + + int32_t total_currency_name_count = 0; + CurrencyNameStruct* currencyNames = nullptr; + int32_t total_currency_symbol_count = 0; + CurrencyNameStruct* currencySymbols = nullptr; + CurrencyNameCacheEntry* cacheEntry = nullptr; + + umtx_lock(&gCurrencyCacheMutex); + // in order to handle racing correctly, + // not putting 'search' in a separate function. + int8_t found = -1; + for (int8_t i = 0; i < CURRENCY_NAME_CACHE_NUM; ++i) { + if (currCache[i]!= nullptr && + uprv_strcmp(locale, currCache[i]->locale) == 0) { + found = i; + break; + } + } + if (found != -1) { + cacheEntry = currCache[found]; + ++(cacheEntry->refCount); + } + umtx_unlock(&gCurrencyCacheMutex); + if (found == -1) { + collectCurrencyNames(locale, ¤cyNames, &total_currency_name_count, ¤cySymbols, &total_currency_symbol_count, ec); + if (U_FAILURE(ec)) { + return nullptr; + } + umtx_lock(&gCurrencyCacheMutex); + // check again. + for (int8_t i = 0; i < CURRENCY_NAME_CACHE_NUM; ++i) { + if (currCache[i]!= nullptr && + uprv_strcmp(locale, currCache[i]->locale) == 0) { + found = i; + break; + } + } + if (found == -1) { + // insert new entry to + // currentCacheEntryIndex % CURRENCY_NAME_CACHE_NUM + // and remove the existing entry + // currentCacheEntryIndex % CURRENCY_NAME_CACHE_NUM + // from cache. + cacheEntry = currCache[currentCacheEntryIndex]; + if (cacheEntry) { + --(cacheEntry->refCount); + // delete if the ref count is zero + if (cacheEntry->refCount == 0) { + deleteCacheEntry(cacheEntry); + } + } + cacheEntry = (CurrencyNameCacheEntry*)uprv_malloc(sizeof(CurrencyNameCacheEntry)); + currCache[currentCacheEntryIndex] = cacheEntry; + uprv_strcpy(cacheEntry->locale, locale); + cacheEntry->currencyNames = currencyNames; + cacheEntry->totalCurrencyNameCount = total_currency_name_count; + cacheEntry->currencySymbols = currencySymbols; + cacheEntry->totalCurrencySymbolCount = total_currency_symbol_count; + cacheEntry->refCount = 2; // one for cache, one for reference + currentCacheEntryIndex = (currentCacheEntryIndex + 1) % CURRENCY_NAME_CACHE_NUM; + ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup); + } else { + deleteCurrencyNames(currencyNames, total_currency_name_count); + deleteCurrencyNames(currencySymbols, total_currency_symbol_count); + cacheEntry = currCache[found]; + ++(cacheEntry->refCount); + } + umtx_unlock(&gCurrencyCacheMutex); + } + + return cacheEntry; +} + +static void releaseCacheEntry(CurrencyNameCacheEntry* cacheEntry) { + umtx_lock(&gCurrencyCacheMutex); + --(cacheEntry->refCount); + if (cacheEntry->refCount == 0) { // remove + deleteCacheEntry(cacheEntry); + } + umtx_unlock(&gCurrencyCacheMutex); +} + +U_CAPI void +uprv_parseCurrency(const char* locale, + const icu::UnicodeString& text, + icu::ParsePosition& pos, + int8_t type, + int32_t* partialMatchLen, + char16_t* result, + UErrorCode& ec) { + U_NAMESPACE_USE + if (U_FAILURE(ec)) { + return; + } + CurrencyNameCacheEntry* cacheEntry = getCacheEntry(locale, ec); + if (U_FAILURE(ec)) { + return; + } + + int32_t total_currency_name_count = cacheEntry->totalCurrencyNameCount; + CurrencyNameStruct* currencyNames = cacheEntry->currencyNames; + int32_t total_currency_symbol_count = cacheEntry->totalCurrencySymbolCount; + CurrencyNameStruct* currencySymbols = cacheEntry->currencySymbols; + + int32_t start = pos.getIndex(); + + char16_t inputText[MAX_CURRENCY_NAME_LEN]; + char16_t upperText[MAX_CURRENCY_NAME_LEN]; + int32_t textLen = MIN(MAX_CURRENCY_NAME_LEN, text.length() - start); + text.extract(start, textLen, inputText); + UErrorCode ec1 = U_ZERO_ERROR; + textLen = u_strToUpper(upperText, MAX_CURRENCY_NAME_LEN, inputText, textLen, locale, &ec1); + + // Make sure partialMatchLen is initialized + *partialMatchLen = 0; + + int32_t max = 0; + int32_t matchIndex = -1; + // case in-sensitive comparison against currency names + searchCurrencyName(currencyNames, total_currency_name_count, + upperText, textLen, partialMatchLen, &max, &matchIndex); + +#ifdef UCURR_DEBUG + printf("search in names, max = %d, matchIndex = %d\n", max, matchIndex); +#endif + + int32_t maxInSymbol = 0; + int32_t matchIndexInSymbol = -1; + if (type != UCURR_LONG_NAME) { // not name only + // case sensitive comparison against currency symbols and ISO code. + searchCurrencyName(currencySymbols, total_currency_symbol_count, + inputText, textLen, + partialMatchLen, + &maxInSymbol, &matchIndexInSymbol); + } + +#ifdef UCURR_DEBUG + printf("search in symbols, maxInSymbol = %d, matchIndexInSymbol = %d\n", maxInSymbol, matchIndexInSymbol); + if(matchIndexInSymbol != -1) { + printf("== ISO=%s\n", currencySymbols[matchIndexInSymbol].IsoCode); + } +#endif + + if (max >= maxInSymbol && matchIndex != -1) { + u_charsToUChars(currencyNames[matchIndex].IsoCode, result, 4); + pos.setIndex(start + max); + } else if (maxInSymbol >= max && matchIndexInSymbol != -1) { + u_charsToUChars(currencySymbols[matchIndexInSymbol].IsoCode, result, 4); + pos.setIndex(start + maxInSymbol); + } + + // decrease reference count + releaseCacheEntry(cacheEntry); +} + +void uprv_currencyLeads(const char* locale, icu::UnicodeSet& result, UErrorCode& ec) { + U_NAMESPACE_USE + if (U_FAILURE(ec)) { + return; + } + CurrencyNameCacheEntry* cacheEntry = getCacheEntry(locale, ec); + if (U_FAILURE(ec)) { + return; + } + + for (int32_t i=0; i<cacheEntry->totalCurrencySymbolCount; i++) { + const CurrencyNameStruct& info = cacheEntry->currencySymbols[i]; + UChar32 cp; + U16_GET(info.currencyName, 0, 0, info.currencyNameLen, cp); + result.add(cp); + } + + for (int32_t i=0; i<cacheEntry->totalCurrencyNameCount; i++) { + const CurrencyNameStruct& info = cacheEntry->currencyNames[i]; + UChar32 cp; + U16_GET(info.currencyName, 0, 0, info.currencyNameLen, cp); + result.add(cp); + } + + // decrease reference count + releaseCacheEntry(cacheEntry); +} + + +/** + * Internal method. Given a currency ISO code and a locale, return + * the "static" currency name. This is usually the same as the + * UCURR_SYMBOL_NAME, but if the latter is a choice format, then the + * format is applied to the number 2.0 (to yield the more common + * plural) to return a static name. + * + * This is used for backward compatibility with old currency logic in + * DecimalFormat and DecimalFormatSymbols. + */ +U_CAPI void +uprv_getStaticCurrencyName(const char16_t* iso, const char* loc, + icu::UnicodeString& result, UErrorCode& ec) +{ + U_NAMESPACE_USE + + int32_t len; + const char16_t* currname = ucurr_getName(iso, loc, UCURR_SYMBOL_NAME, + nullptr /* isChoiceFormat */, &len, &ec); + if (U_SUCCESS(ec)) { + result.setTo(currname, len); + } +} + +U_CAPI int32_t U_EXPORT2 +ucurr_getDefaultFractionDigits(const char16_t* currency, UErrorCode* ec) { + return ucurr_getDefaultFractionDigitsForUsage(currency,UCURR_USAGE_STANDARD,ec); +} + +U_CAPI int32_t U_EXPORT2 +ucurr_getDefaultFractionDigitsForUsage(const char16_t* currency, const UCurrencyUsage usage, UErrorCode* ec) { + int32_t fracDigits = 0; + if (U_SUCCESS(*ec)) { + switch (usage) { + case UCURR_USAGE_STANDARD: + fracDigits = (_findMetaData(currency, *ec))[0]; + break; + case UCURR_USAGE_CASH: + fracDigits = (_findMetaData(currency, *ec))[2]; + break; + default: + *ec = U_UNSUPPORTED_ERROR; + } + } + return fracDigits; +} + +U_CAPI double U_EXPORT2 +ucurr_getRoundingIncrement(const char16_t* currency, UErrorCode* ec) { + return ucurr_getRoundingIncrementForUsage(currency, UCURR_USAGE_STANDARD, ec); +} + +U_CAPI double U_EXPORT2 +ucurr_getRoundingIncrementForUsage(const char16_t* currency, const UCurrencyUsage usage, UErrorCode* ec) { + double result = 0.0; + + const int32_t *data = _findMetaData(currency, *ec); + if (U_SUCCESS(*ec)) { + int32_t fracDigits; + int32_t increment; + switch (usage) { + case UCURR_USAGE_STANDARD: + fracDigits = data[0]; + increment = data[1]; + break; + case UCURR_USAGE_CASH: + fracDigits = data[2]; + increment = data[3]; + break; + default: + *ec = U_UNSUPPORTED_ERROR; + return result; + } + + // If the meta data is invalid, return 0.0 + if (fracDigits < 0 || fracDigits > MAX_POW10) { + *ec = U_INVALID_FORMAT_ERROR; + } else { + // A rounding value of 0 or 1 indicates no rounding. + if (increment >= 2) { + // Return (increment) / 10^(fracDigits). The only actual rounding data, + // as of this writing, is CHF { 2, 5 }. + result = double(increment) / POW10[fracDigits]; + } + } + } + + return result; +} + +U_CDECL_BEGIN + +typedef struct UCurrencyContext { + uint32_t currType; /* UCurrCurrencyType */ + uint32_t listIdx; +} UCurrencyContext; + +/* +Please keep this list in alphabetical order. +You can look at the CLDR supplemental data or ISO-4217 for the meaning of some +of these items. +ISO-4217: http://www.iso.org/iso/en/prods-services/popstds/currencycodeslist.html +*/ +static const struct CurrencyList { + const char *currency; + uint32_t currType; +} gCurrencyList[] = { + {"ADP", UCURR_COMMON|UCURR_DEPRECATED}, + {"AED", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"AFA", UCURR_COMMON|UCURR_DEPRECATED}, + {"AFN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ALK", UCURR_COMMON|UCURR_DEPRECATED}, + {"ALL", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"AMD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ANG", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"AOA", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"AOK", UCURR_COMMON|UCURR_DEPRECATED}, + {"AON", UCURR_COMMON|UCURR_DEPRECATED}, + {"AOR", UCURR_COMMON|UCURR_DEPRECATED}, + {"ARA", UCURR_COMMON|UCURR_DEPRECATED}, + {"ARL", UCURR_COMMON|UCURR_DEPRECATED}, + {"ARM", UCURR_COMMON|UCURR_DEPRECATED}, + {"ARP", UCURR_COMMON|UCURR_DEPRECATED}, + {"ARS", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ATS", UCURR_COMMON|UCURR_DEPRECATED}, + {"AUD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"AWG", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"AZM", UCURR_COMMON|UCURR_DEPRECATED}, + {"AZN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BAD", UCURR_COMMON|UCURR_DEPRECATED}, + {"BAM", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BAN", UCURR_COMMON|UCURR_DEPRECATED}, + {"BBD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BDT", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BEC", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"BEF", UCURR_COMMON|UCURR_DEPRECATED}, + {"BEL", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"BGL", UCURR_COMMON|UCURR_DEPRECATED}, + {"BGM", UCURR_COMMON|UCURR_DEPRECATED}, + {"BGN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BGO", UCURR_COMMON|UCURR_DEPRECATED}, + {"BHD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BIF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BMD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BND", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BOB", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BOL", UCURR_COMMON|UCURR_DEPRECATED}, + {"BOP", UCURR_COMMON|UCURR_DEPRECATED}, + {"BOV", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"BRB", UCURR_COMMON|UCURR_DEPRECATED}, + {"BRC", UCURR_COMMON|UCURR_DEPRECATED}, + {"BRE", UCURR_COMMON|UCURR_DEPRECATED}, + {"BRL", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BRN", UCURR_COMMON|UCURR_DEPRECATED}, + {"BRR", UCURR_COMMON|UCURR_DEPRECATED}, + {"BRZ", UCURR_COMMON|UCURR_DEPRECATED}, + {"BSD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BTN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BUK", UCURR_COMMON|UCURR_DEPRECATED}, + {"BWP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BYB", UCURR_COMMON|UCURR_DEPRECATED}, + {"BYN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"BYR", UCURR_COMMON|UCURR_DEPRECATED}, + {"BZD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CAD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CDF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CHE", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"CHF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CHW", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"CLE", UCURR_COMMON|UCURR_DEPRECATED}, + {"CLF", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"CLP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CNH", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"CNX", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"CNY", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"COP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"COU", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"CRC", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CSD", UCURR_COMMON|UCURR_DEPRECATED}, + {"CSK", UCURR_COMMON|UCURR_DEPRECATED}, + {"CUC", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CUP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CVE", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"CYP", UCURR_COMMON|UCURR_DEPRECATED}, + {"CZK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"DDM", UCURR_COMMON|UCURR_DEPRECATED}, + {"DEM", UCURR_COMMON|UCURR_DEPRECATED}, + {"DJF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"DKK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"DOP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"DZD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ECS", UCURR_COMMON|UCURR_DEPRECATED}, + {"ECV", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"EEK", UCURR_COMMON|UCURR_DEPRECATED}, + {"EGP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ERN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ESA", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"ESB", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"ESP", UCURR_COMMON|UCURR_DEPRECATED}, + {"ETB", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"EUR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"FIM", UCURR_COMMON|UCURR_DEPRECATED}, + {"FJD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"FKP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"FRF", UCURR_COMMON|UCURR_DEPRECATED}, + {"GBP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"GEK", UCURR_COMMON|UCURR_DEPRECATED}, + {"GEL", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"GHC", UCURR_COMMON|UCURR_DEPRECATED}, + {"GHS", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"GIP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"GMD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"GNF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"GNS", UCURR_COMMON|UCURR_DEPRECATED}, + {"GQE", UCURR_COMMON|UCURR_DEPRECATED}, + {"GRD", UCURR_COMMON|UCURR_DEPRECATED}, + {"GTQ", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"GWE", UCURR_COMMON|UCURR_DEPRECATED}, + {"GWP", UCURR_COMMON|UCURR_DEPRECATED}, + {"GYD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"HKD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"HNL", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"HRD", UCURR_COMMON|UCURR_DEPRECATED}, + {"HRK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"HTG", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"HUF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"IDR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"IEP", UCURR_COMMON|UCURR_DEPRECATED}, + {"ILP", UCURR_COMMON|UCURR_DEPRECATED}, + {"ILR", UCURR_COMMON|UCURR_DEPRECATED}, + {"ILS", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"INR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"IQD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"IRR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ISJ", UCURR_COMMON|UCURR_DEPRECATED}, + {"ISK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ITL", UCURR_COMMON|UCURR_DEPRECATED}, + {"JMD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"JOD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"JPY", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KES", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KGS", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KHR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KMF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KPW", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KRH", UCURR_COMMON|UCURR_DEPRECATED}, + {"KRO", UCURR_COMMON|UCURR_DEPRECATED}, + {"KRW", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KWD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KYD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"KZT", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"LAK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"LBP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"LKR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"LRD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"LSL", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"LSM", UCURR_COMMON|UCURR_DEPRECATED}, // questionable, remove? + {"LTL", UCURR_COMMON|UCURR_DEPRECATED}, + {"LTT", UCURR_COMMON|UCURR_DEPRECATED}, + {"LUC", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"LUF", UCURR_COMMON|UCURR_DEPRECATED}, + {"LUL", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"LVL", UCURR_COMMON|UCURR_DEPRECATED}, + {"LVR", UCURR_COMMON|UCURR_DEPRECATED}, + {"LYD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MAD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MAF", UCURR_COMMON|UCURR_DEPRECATED}, + {"MCF", UCURR_COMMON|UCURR_DEPRECATED}, + {"MDC", UCURR_COMMON|UCURR_DEPRECATED}, + {"MDL", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MGA", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MGF", UCURR_COMMON|UCURR_DEPRECATED}, + {"MKD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MKN", UCURR_COMMON|UCURR_DEPRECATED}, + {"MLF", UCURR_COMMON|UCURR_DEPRECATED}, + {"MMK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MNT", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MOP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MRO", UCURR_COMMON|UCURR_DEPRECATED}, + {"MRU", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MTL", UCURR_COMMON|UCURR_DEPRECATED}, + {"MTP", UCURR_COMMON|UCURR_DEPRECATED}, + {"MUR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MVP", UCURR_COMMON|UCURR_DEPRECATED}, // questionable, remove? + {"MVR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MWK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MXN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MXP", UCURR_COMMON|UCURR_DEPRECATED}, + {"MXV", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"MYR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"MZE", UCURR_COMMON|UCURR_DEPRECATED}, + {"MZM", UCURR_COMMON|UCURR_DEPRECATED}, + {"MZN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"NAD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"NGN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"NIC", UCURR_COMMON|UCURR_DEPRECATED}, + {"NIO", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"NLG", UCURR_COMMON|UCURR_DEPRECATED}, + {"NOK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"NPR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"NZD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"OMR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"PAB", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"PEI", UCURR_COMMON|UCURR_DEPRECATED}, + {"PEN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"PES", UCURR_COMMON|UCURR_DEPRECATED}, + {"PGK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"PHP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"PKR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"PLN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"PLZ", UCURR_COMMON|UCURR_DEPRECATED}, + {"PTE", UCURR_COMMON|UCURR_DEPRECATED}, + {"PYG", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"QAR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"RHD", UCURR_COMMON|UCURR_DEPRECATED}, + {"ROL", UCURR_COMMON|UCURR_DEPRECATED}, + {"RON", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"RSD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"RUB", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"RUR", UCURR_COMMON|UCURR_DEPRECATED}, + {"RWF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SAR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SBD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SCR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SDD", UCURR_COMMON|UCURR_DEPRECATED}, + {"SDG", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SDP", UCURR_COMMON|UCURR_DEPRECATED}, + {"SEK", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SGD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SHP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SIT", UCURR_COMMON|UCURR_DEPRECATED}, + {"SKK", UCURR_COMMON|UCURR_DEPRECATED}, + {"SLE", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SLL", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SOS", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SRD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SRG", UCURR_COMMON|UCURR_DEPRECATED}, + {"SSP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"STD", UCURR_COMMON|UCURR_DEPRECATED}, + {"STN", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SUR", UCURR_COMMON|UCURR_DEPRECATED}, + {"SVC", UCURR_COMMON|UCURR_DEPRECATED}, + {"SYP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"SZL", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"THB", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"TJR", UCURR_COMMON|UCURR_DEPRECATED}, + {"TJS", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"TMM", UCURR_COMMON|UCURR_DEPRECATED}, + {"TMT", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"TND", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"TOP", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"TPE", UCURR_COMMON|UCURR_DEPRECATED}, + {"TRL", UCURR_COMMON|UCURR_DEPRECATED}, + {"TRY", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"TTD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"TWD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"TZS", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"UAH", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"UAK", UCURR_COMMON|UCURR_DEPRECATED}, + {"UGS", UCURR_COMMON|UCURR_DEPRECATED}, + {"UGX", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"USD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"USN", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"USS", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"UYI", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"UYP", UCURR_COMMON|UCURR_DEPRECATED}, + {"UYU", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"UYW", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"UZS", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"VEB", UCURR_COMMON|UCURR_DEPRECATED}, + {"VED", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"VEF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"VES", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"VND", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"VNN", UCURR_COMMON|UCURR_DEPRECATED}, + {"VUV", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"WST", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"XAF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"XAG", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XAU", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XBA", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XBB", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XBC", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XBD", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XCD", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"XDR", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XEU", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"XFO", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XFU", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XOF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"XPD", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XPF", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"XPT", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XRE", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"XSU", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XTS", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XUA", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"XXX", UCURR_UNCOMMON|UCURR_NON_DEPRECATED}, + {"YDD", UCURR_COMMON|UCURR_DEPRECATED}, + {"YER", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"YUD", UCURR_COMMON|UCURR_DEPRECATED}, + {"YUM", UCURR_COMMON|UCURR_DEPRECATED}, + {"YUN", UCURR_COMMON|UCURR_DEPRECATED}, + {"YUR", UCURR_COMMON|UCURR_DEPRECATED}, + {"ZAL", UCURR_UNCOMMON|UCURR_DEPRECATED}, + {"ZAR", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ZMK", UCURR_COMMON|UCURR_DEPRECATED}, + {"ZMW", UCURR_COMMON|UCURR_NON_DEPRECATED}, + {"ZRN", UCURR_COMMON|UCURR_DEPRECATED}, + {"ZRZ", UCURR_COMMON|UCURR_DEPRECATED}, + {"ZWD", UCURR_COMMON|UCURR_DEPRECATED}, + {"ZWL", UCURR_COMMON|UCURR_DEPRECATED}, + {"ZWR", UCURR_COMMON|UCURR_DEPRECATED}, + { nullptr, 0 } // Leave here to denote the end of the list. +}; + +#define UCURR_MATCHES_BITMASK(variable, typeToMatch) \ + ((typeToMatch) == UCURR_ALL || ((variable) & (typeToMatch)) == (typeToMatch)) + +static int32_t U_CALLCONV +ucurr_countCurrencyList(UEnumeration *enumerator, UErrorCode * /*pErrorCode*/) { + UCurrencyContext *myContext = (UCurrencyContext *)(enumerator->context); + uint32_t currType = myContext->currType; + int32_t count = 0; + + /* Count the number of items matching the type we are looking for. */ + for (int32_t idx = 0; gCurrencyList[idx].currency != nullptr; idx++) { + if (UCURR_MATCHES_BITMASK(gCurrencyList[idx].currType, currType)) { + count++; + } + } + return count; +} + +static const char* U_CALLCONV +ucurr_nextCurrencyList(UEnumeration *enumerator, + int32_t* resultLength, + UErrorCode * /*pErrorCode*/) +{ + UCurrencyContext *myContext = (UCurrencyContext *)(enumerator->context); + + /* Find the next in the list that matches the type we are looking for. */ + while (myContext->listIdx < UPRV_LENGTHOF(gCurrencyList)-1) { + const struct CurrencyList *currItem = &gCurrencyList[myContext->listIdx++]; + if (UCURR_MATCHES_BITMASK(currItem->currType, myContext->currType)) + { + if (resultLength) { + *resultLength = 3; /* Currency codes are only 3 chars long */ + } + return currItem->currency; + } + } + /* We enumerated too far. */ + if (resultLength) { + *resultLength = 0; + } + return nullptr; +} + +static void U_CALLCONV +ucurr_resetCurrencyList(UEnumeration *enumerator, UErrorCode * /*pErrorCode*/) { + ((UCurrencyContext *)(enumerator->context))->listIdx = 0; +} + +static void U_CALLCONV +ucurr_closeCurrencyList(UEnumeration *enumerator) { + uprv_free(enumerator->context); + uprv_free(enumerator); +} + +static void U_CALLCONV +ucurr_createCurrencyList(UHashtable *isoCodes, UErrorCode* status){ + UErrorCode localStatus = U_ZERO_ERROR; + + // Look up the CurrencyMap element in the root bundle. + UResourceBundle *rb = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &localStatus); + UResourceBundle *currencyMapArray = ures_getByKey(rb, CURRENCY_MAP, rb, &localStatus); + + if (U_SUCCESS(localStatus)) { + // process each entry in currency map + for (int32_t i=0; i<ures_getSize(currencyMapArray); i++) { + // get the currency resource + UResourceBundle *currencyArray = ures_getByIndex(currencyMapArray, i, nullptr, &localStatus); + // process each currency + if (U_SUCCESS(localStatus)) { + for (int32_t j=0; j<ures_getSize(currencyArray); j++) { + // get the currency resource + UResourceBundle *currencyRes = ures_getByIndex(currencyArray, j, nullptr, &localStatus); + IsoCodeEntry *entry = (IsoCodeEntry*)uprv_malloc(sizeof(IsoCodeEntry)); + if (entry == nullptr) { + *status = U_MEMORY_ALLOCATION_ERROR; + return; + } + + // get the ISO code + int32_t isoLength = 0; + UResourceBundle *idRes = ures_getByKey(currencyRes, "id", nullptr, &localStatus); + if (idRes == nullptr) { + continue; + } + const char16_t *isoCode = ures_getString(idRes, &isoLength, &localStatus); + + // get from date + UDate fromDate = U_DATE_MIN; + UResourceBundle *fromRes = ures_getByKey(currencyRes, "from", nullptr, &localStatus); + + if (U_SUCCESS(localStatus)) { + int32_t fromLength = 0; + const int32_t *fromArray = ures_getIntVector(fromRes, &fromLength, &localStatus); + int64_t currDate64 = ((uint64_t)fromArray[0]) << 32; + currDate64 |= ((int64_t)fromArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF)); + fromDate = (UDate)currDate64; + } + ures_close(fromRes); + + // get to date + UDate toDate = U_DATE_MAX; + localStatus = U_ZERO_ERROR; + UResourceBundle *toRes = ures_getByKey(currencyRes, "to", nullptr, &localStatus); + + if (U_SUCCESS(localStatus)) { + int32_t toLength = 0; + const int32_t *toArray = ures_getIntVector(toRes, &toLength, &localStatus); + int64_t currDate64 = (uint64_t)toArray[0] << 32; + currDate64 |= ((int64_t)toArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF)); + toDate = (UDate)currDate64; + } + ures_close(toRes); + + ures_close(idRes); + ures_close(currencyRes); + + entry->isoCode = isoCode; + entry->from = fromDate; + entry->to = toDate; + + localStatus = U_ZERO_ERROR; + uhash_put(isoCodes, (char16_t *)isoCode, entry, &localStatus); + } + } else { + *status = localStatus; + } + ures_close(currencyArray); + } + } else { + *status = localStatus; + } + + ures_close(currencyMapArray); +} + +static const UEnumeration gEnumCurrencyList = { + nullptr, + nullptr, + ucurr_closeCurrencyList, + ucurr_countCurrencyList, + uenum_unextDefault, + ucurr_nextCurrencyList, + ucurr_resetCurrencyList +}; +U_CDECL_END + + +static void U_CALLCONV initIsoCodes(UErrorCode &status) { + U_ASSERT(gIsoCodes == nullptr); + ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup); + + UHashtable *isoCodes = uhash_open(uhash_hashUChars, uhash_compareUChars, nullptr, &status); + if (U_FAILURE(status)) { + return; + } + uhash_setValueDeleter(isoCodes, deleteIsoCodeEntry); + + ucurr_createCurrencyList(isoCodes, &status); + if (U_FAILURE(status)) { + uhash_close(isoCodes); + return; + } + gIsoCodes = isoCodes; // Note: gIsoCodes is const. Once set up here it is never altered, + // and read only access is safe without synchronization. +} + +static void populateCurrSymbolsEquiv(icu::Hashtable *hash, UErrorCode &status) { + if (U_FAILURE(status)) { return; } + for (auto& entry : unisets::kCurrencyEntries) { + UnicodeString exemplar(entry.exemplar); + const UnicodeSet* set = unisets::get(entry.key); + if (set == nullptr) { return; } + UnicodeSetIterator it(*set); + while (it.next()) { + UnicodeString value = it.getString(); + if (value == exemplar) { + // No need to mark the exemplar character as an equivalent + continue; + } + makeEquivalent(exemplar, value, hash, status); + if (U_FAILURE(status)) { return; } + } + } +} + +static void U_CALLCONV initCurrSymbolsEquiv() { + U_ASSERT(gCurrSymbolsEquiv == nullptr); + UErrorCode status = U_ZERO_ERROR; + ucln_common_registerCleanup(UCLN_COMMON_CURRENCY, currency_cleanup); + icu::Hashtable *temp = new icu::Hashtable(status); + if (temp == nullptr) { + return; + } + if (U_FAILURE(status)) { + delete temp; + return; + } + temp->setValueDeleter(deleteUnicode); + populateCurrSymbolsEquiv(temp, status); + if (U_FAILURE(status)) { + delete temp; + return; + } + gCurrSymbolsEquiv = temp; +} + +U_CAPI UBool U_EXPORT2 +ucurr_isAvailable(const char16_t* isoCode, UDate from, UDate to, UErrorCode* eErrorCode) { + umtx_initOnce(gIsoCodesInitOnce, &initIsoCodes, *eErrorCode); + if (U_FAILURE(*eErrorCode)) { + return false; + } + + IsoCodeEntry* result = (IsoCodeEntry *) uhash_get(gIsoCodes, isoCode); + if (result == nullptr) { + return false; + } else if (from > to) { + *eErrorCode = U_ILLEGAL_ARGUMENT_ERROR; + return false; + } else if ((from > result->to) || (to < result->from)) { + return false; + } + return true; +} + +static const icu::Hashtable* getCurrSymbolsEquiv() { + umtx_initOnce(gCurrSymbolsEquivInitOnce, &initCurrSymbolsEquiv); + return gCurrSymbolsEquiv; +} + +U_CAPI UEnumeration * U_EXPORT2 +ucurr_openISOCurrencies(uint32_t currType, UErrorCode *pErrorCode) { + UEnumeration *myEnum = nullptr; + UCurrencyContext *myContext; + + myEnum = (UEnumeration*)uprv_malloc(sizeof(UEnumeration)); + if (myEnum == nullptr) { + *pErrorCode = U_MEMORY_ALLOCATION_ERROR; + return nullptr; + } + uprv_memcpy(myEnum, &gEnumCurrencyList, sizeof(UEnumeration)); + myContext = (UCurrencyContext*)uprv_malloc(sizeof(UCurrencyContext)); + if (myContext == nullptr) { + *pErrorCode = U_MEMORY_ALLOCATION_ERROR; + uprv_free(myEnum); + return nullptr; + } + myContext->currType = currType; + myContext->listIdx = 0; + myEnum->context = myContext; + return myEnum; +} + +U_CAPI int32_t U_EXPORT2 +ucurr_countCurrencies(const char* locale, + UDate date, + UErrorCode* ec) +{ + int32_t currCount = 0; + + if (ec != nullptr && U_SUCCESS(*ec)) + { + // local variables + UErrorCode localStatus = U_ZERO_ERROR; + char id[ULOC_FULLNAME_CAPACITY]; + + // get country or country_variant in `id' + idForLocale(locale, id, sizeof(id), ec); + + if (U_FAILURE(*ec)) + { + return 0; + } + + // Remove variants, which is only needed for registration. + char *idDelim = strchr(id, VAR_DELIM); + if (idDelim) + { + idDelim[0] = 0; + } + + // Look up the CurrencyMap element in the root bundle. + UResourceBundle *rb = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &localStatus); + UResourceBundle *cm = ures_getByKey(rb, CURRENCY_MAP, rb, &localStatus); + + // Using the id derived from the local, get the currency data + UResourceBundle *countryArray = ures_getByKey(rb, id, cm, &localStatus); + + // process each currency to see which one is valid for the given date + if (U_SUCCESS(localStatus)) + { + for (int32_t i=0; i<ures_getSize(countryArray); i++) + { + // get the currency resource + UResourceBundle *currencyRes = ures_getByIndex(countryArray, i, nullptr, &localStatus); + + // get the from date + int32_t fromLength = 0; + UResourceBundle *fromRes = ures_getByKey(currencyRes, "from", nullptr, &localStatus); + const int32_t *fromArray = ures_getIntVector(fromRes, &fromLength, &localStatus); + + int64_t currDate64 = (int64_t)((uint64_t)(fromArray[0]) << 32); + currDate64 |= ((int64_t)fromArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF)); + UDate fromDate = (UDate)currDate64; + + if (ures_getSize(currencyRes)> 2) + { + int32_t toLength = 0; + UResourceBundle *toRes = ures_getByKey(currencyRes, "to", nullptr, &localStatus); + const int32_t *toArray = ures_getIntVector(toRes, &toLength, &localStatus); + + currDate64 = (int64_t)toArray[0] << 32; + currDate64 |= ((int64_t)toArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF)); + UDate toDate = (UDate)currDate64; + + if ((fromDate <= date) && (date < toDate)) + { + currCount++; + } + + ures_close(toRes); + } + else + { + if (fromDate <= date) + { + currCount++; + } + } + + // close open resources + ures_close(currencyRes); + ures_close(fromRes); + + } // end For loop + } // end if (U_SUCCESS(localStatus)) + + ures_close(countryArray); + + // Check for errors + if (*ec == U_ZERO_ERROR || localStatus != U_ZERO_ERROR) + { + // There is nothing to fallback to. + // Report the failure/warning if possible. + *ec = localStatus; + } + + if (U_SUCCESS(*ec)) + { + // no errors + return currCount; + } + + } + + // If we got here, either error code is invalid or + // some argument passed is no good. + return 0; +} + +U_CAPI int32_t U_EXPORT2 +ucurr_forLocaleAndDate(const char* locale, + UDate date, + int32_t index, + char16_t* buff, + int32_t buffCapacity, + UErrorCode* ec) +{ + int32_t resLen = 0; + int32_t currIndex = 0; + const char16_t* s = nullptr; + + if (ec != nullptr && U_SUCCESS(*ec)) + { + // check the arguments passed + if ((buff && buffCapacity) || !buffCapacity ) + { + // local variables + UErrorCode localStatus = U_ZERO_ERROR; + char id[ULOC_FULLNAME_CAPACITY]; + + // get country or country_variant in `id' + idForLocale(locale, id, sizeof(id), ec); + if (U_FAILURE(*ec)) + { + return 0; + } + + // Remove variants, which is only needed for registration. + char *idDelim = strchr(id, VAR_DELIM); + if (idDelim) + { + idDelim[0] = 0; + } + + // Look up the CurrencyMap element in the root bundle. + UResourceBundle *rb = ures_openDirect(U_ICUDATA_CURR, CURRENCY_DATA, &localStatus); + UResourceBundle *cm = ures_getByKey(rb, CURRENCY_MAP, rb, &localStatus); + + // Using the id derived from the local, get the currency data + UResourceBundle *countryArray = ures_getByKey(rb, id, cm, &localStatus); + + // process each currency to see which one is valid for the given date + bool matchFound = false; + if (U_SUCCESS(localStatus)) + { + if ((index <= 0) || (index> ures_getSize(countryArray))) + { + // requested index is out of bounds + ures_close(countryArray); + return 0; + } + + for (int32_t i=0; i<ures_getSize(countryArray); i++) + { + // get the currency resource + UResourceBundle *currencyRes = ures_getByIndex(countryArray, i, nullptr, &localStatus); + s = ures_getStringByKey(currencyRes, "id", &resLen, &localStatus); + + // get the from date + int32_t fromLength = 0; + UResourceBundle *fromRes = ures_getByKey(currencyRes, "from", nullptr, &localStatus); + const int32_t *fromArray = ures_getIntVector(fromRes, &fromLength, &localStatus); + + int64_t currDate64 = (int64_t)((uint64_t)fromArray[0] << 32); + currDate64 |= ((int64_t)fromArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF)); + UDate fromDate = (UDate)currDate64; + + if (ures_getSize(currencyRes)> 2) + { + int32_t toLength = 0; + UResourceBundle *toRes = ures_getByKey(currencyRes, "to", nullptr, &localStatus); + const int32_t *toArray = ures_getIntVector(toRes, &toLength, &localStatus); + + currDate64 = (int64_t)toArray[0] << 32; + currDate64 |= ((int64_t)toArray[1] & (int64_t)INT64_C(0x00000000FFFFFFFF)); + UDate toDate = (UDate)currDate64; + + if ((fromDate <= date) && (date < toDate)) + { + currIndex++; + if (currIndex == index) + { + matchFound = true; + } + } + + ures_close(toRes); + } + else + { + if (fromDate <= date) + { + currIndex++; + if (currIndex == index) + { + matchFound = true; + } + } + } + + // close open resources + ures_close(currencyRes); + ures_close(fromRes); + + // check for loop exit + if (matchFound) + { + break; + } + + } // end For loop + } + + ures_close(countryArray); + + // Check for errors + if (*ec == U_ZERO_ERROR || localStatus != U_ZERO_ERROR) + { + // There is nothing to fallback to. + // Report the failure/warning if possible. + *ec = localStatus; + } + + if (U_SUCCESS(*ec)) + { + // no errors + if((buffCapacity> resLen) && matchFound) + { + // write out the currency value + u_strcpy(buff, s); + } + else + { + return 0; + } + } + + // return null terminated currency string + return u_terminateUChars(buff, buffCapacity, resLen, ec); + } + else + { + // illegal argument encountered + *ec = U_ILLEGAL_ARGUMENT_ERROR; + } + + } + + // If we got here, either error code is invalid or + // some argument passed is no good. + return resLen; +} + +static const UEnumeration defaultKeywordValues = { + nullptr, + nullptr, + ulist_close_keyword_values_iterator, + ulist_count_keyword_values, + uenum_unextDefault, + ulist_next_keyword_value, + ulist_reset_keyword_values_iterator +}; + +U_CAPI UEnumeration *U_EXPORT2 ucurr_getKeywordValuesForLocale(const char *key, const char *locale, UBool commonlyUsed, UErrorCode* status) { + // Resolve region + char prefRegion[ULOC_COUNTRY_CAPACITY]; + ulocimp_getRegionForSupplementalData(locale, true, prefRegion, sizeof(prefRegion), status); + + // Read value from supplementalData + UList *values = ulist_createEmptyList(status); + UList *otherValues = ulist_createEmptyList(status); + UEnumeration *en = (UEnumeration *)uprv_malloc(sizeof(UEnumeration)); + if (U_FAILURE(*status) || en == nullptr) { + if (en == nullptr) { + *status = U_MEMORY_ALLOCATION_ERROR; + } else { + uprv_free(en); + } + ulist_deleteList(values); + ulist_deleteList(otherValues); + return nullptr; + } + memcpy(en, &defaultKeywordValues, sizeof(UEnumeration)); + en->context = values; + + UResourceBundle *bundle = ures_openDirect(U_ICUDATA_CURR, "supplementalData", status); + ures_getByKey(bundle, "CurrencyMap", bundle, status); + UResourceBundle bundlekey, regbndl, curbndl, to; + ures_initStackObject(&bundlekey); + ures_initStackObject(®bndl); + ures_initStackObject(&curbndl); + ures_initStackObject(&to); + + while (U_SUCCESS(*status) && ures_hasNext(bundle)) { + ures_getNextResource(bundle, &bundlekey, status); + if (U_FAILURE(*status)) { + break; + } + const char *region = ures_getKey(&bundlekey); + UBool isPrefRegion = uprv_strcmp(region, prefRegion) == 0 ? true : false; + if (!isPrefRegion && commonlyUsed) { + // With commonlyUsed=true, we do not put + // currencies for other regions in the + // result list. + continue; + } + ures_getByKey(bundle, region, ®bndl, status); + if (U_FAILURE(*status)) { + break; + } + while (U_SUCCESS(*status) && ures_hasNext(®bndl)) { + ures_getNextResource(®bndl, &curbndl, status); + if (ures_getType(&curbndl) != URES_TABLE) { + // Currently, an empty ARRAY is mixed in. + continue; + } + char *curID = (char *)uprv_malloc(sizeof(char) * ULOC_KEYWORDS_CAPACITY); + int32_t curIDLength = ULOC_KEYWORDS_CAPACITY; + if (curID == nullptr) { + *status = U_MEMORY_ALLOCATION_ERROR; + break; + } + +#if U_CHARSET_FAMILY==U_ASCII_FAMILY + ures_getUTF8StringByKey(&curbndl, "id", curID, &curIDLength, true, status); + /* optimize - use the utf-8 string */ +#else + { + const char16_t* defString = ures_getStringByKey(&curbndl, "id", &curIDLength, status); + if(U_SUCCESS(*status)) { + if(curIDLength+1 > ULOC_KEYWORDS_CAPACITY) { + *status = U_BUFFER_OVERFLOW_ERROR; + } else { + u_UCharsToChars(defString, curID, curIDLength+1); + } + } + } +#endif + + if (U_FAILURE(*status)) { + break; + } + UBool hasTo = false; + ures_getByKey(&curbndl, "to", &to, status); + if (U_FAILURE(*status)) { + // Do nothing here... + *status = U_ZERO_ERROR; + } else { + hasTo = true; + } + if (isPrefRegion && !hasTo && !ulist_containsString(values, curID, (int32_t)uprv_strlen(curID))) { + // Currently active currency for the target country + ulist_addItemEndList(values, curID, true, status); + } else if (!ulist_containsString(otherValues, curID, (int32_t)uprv_strlen(curID)) && !commonlyUsed) { + ulist_addItemEndList(otherValues, curID, true, status); + } else { + uprv_free(curID); + } + } + + } + if (U_SUCCESS(*status)) { + if (commonlyUsed) { + if (ulist_getListSize(values) == 0) { + // This could happen if no valid region is supplied in the input + // locale. In this case, we use the CLDR's default. + uenum_close(en); + en = ucurr_getKeywordValuesForLocale(key, "und", true, status); + } + } else { + // Consolidate the list + char *value = nullptr; + ulist_resetList(otherValues); + while ((value = (char *)ulist_getNext(otherValues)) != nullptr) { + if (!ulist_containsString(values, value, (int32_t)uprv_strlen(value))) { + char *tmpValue = (char *)uprv_malloc(sizeof(char) * ULOC_KEYWORDS_CAPACITY); + uprv_memcpy(tmpValue, value, uprv_strlen(value) + 1); + ulist_addItemEndList(values, tmpValue, true, status); + if (U_FAILURE(*status)) { + break; + } + } + } + } + + ulist_resetList((UList *)(en->context)); + } else { + ulist_deleteList(values); + uprv_free(en); + values = nullptr; + en = nullptr; + } + ures_close(&to); + ures_close(&curbndl); + ures_close(®bndl); + ures_close(&bundlekey); + ures_close(bundle); + + ulist_deleteList(otherValues); + + return en; +} + + +U_CAPI int32_t U_EXPORT2 +ucurr_getNumericCode(const char16_t* currency) { + int32_t code = 0; + if (currency && u_strlen(currency) == ISO_CURRENCY_CODE_LENGTH) { + UErrorCode status = U_ZERO_ERROR; + + UResourceBundle *bundle = ures_openDirect(0, "currencyNumericCodes", &status); + ures_getByKey(bundle, "codeMap", bundle, &status); + if (U_SUCCESS(status)) { + char alphaCode[ISO_CURRENCY_CODE_LENGTH+1]; + myUCharsToChars(alphaCode, currency); + T_CString_toUpperCase(alphaCode); + ures_getByKey(bundle, alphaCode, bundle, &status); + int tmpCode = ures_getInt(bundle, &status); + if (U_SUCCESS(status)) { + code = tmpCode; + } + } + ures_close(bundle); + } + return code; +} +#endif /* #if !UCONFIG_NO_FORMATTING */ + +//eof |