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Diffstat (limited to 'intl/icu/source/i18n/ucol_res.cpp')
| -rw-r--r-- | intl/icu/source/i18n/ucol_res.cpp | 700 |
1 files changed, 700 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/ucol_res.cpp b/intl/icu/source/i18n/ucol_res.cpp new file mode 100644 index 000000000..7f5b47c3d --- /dev/null +++ b/intl/icu/source/i18n/ucol_res.cpp @@ -0,0 +1,700 @@ +// Copyright (C) 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +******************************************************************************* +* Copyright (C) 1996-2016, International Business Machines +* Corporation and others. All Rights Reserved. +******************************************************************************* +* file name: ucol_res.cpp +* encoding: US-ASCII +* tab size: 8 (not used) +* indentation:4 +* +* Description: +* This file contains dependencies that the collation run-time doesn't normally +* need. This mainly contains resource bundle usage and collation meta information +* +* Modification history +* Date Name Comments +* 1996-1999 various members of ICU team maintained C API for collation framework +* 02/16/2001 synwee Added internal method getPrevSpecialCE +* 03/01/2001 synwee Added maxexpansion functionality. +* 03/16/2001 weiv Collation framework is rewritten in C and made UCA compliant +* 12/08/2004 grhoten Split part of ucol.cpp into ucol_res.cpp +* 2012-2014 markus Rewritten in C++ again. +*/ + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_COLLATION + +#include "unicode/coll.h" +#include "unicode/localpointer.h" +#include "unicode/locid.h" +#include "unicode/tblcoll.h" +#include "unicode/ucol.h" +#include "unicode/uloc.h" +#include "unicode/unistr.h" +#include "unicode/ures.h" +#include "charstr.h" +#include "cmemory.h" +#include "cstring.h" +#include "collationdatareader.h" +#include "collationroot.h" +#include "collationtailoring.h" +#include "resource.h" +#include "putilimp.h" +#include "uassert.h" +#include "ucln_in.h" +#include "ucol_imp.h" +#include "uenumimp.h" +#include "ulist.h" +#include "umutex.h" +#include "unifiedcache.h" +#include "uresimp.h" +#include "ustrenum.h" +#include "utracimp.h" + +U_NAMESPACE_BEGIN + +namespace { + +static const UChar *rootRules = NULL; +static int32_t rootRulesLength = 0; +static UResourceBundle *rootBundle = NULL; +static UInitOnce gInitOnce = U_INITONCE_INITIALIZER; + +} // namespace + +U_CDECL_BEGIN + +static UBool U_CALLCONV +ucol_res_cleanup() { + rootRules = NULL; + rootRulesLength = 0; + ures_close(rootBundle); + rootBundle = NULL; + gInitOnce.reset(); + return TRUE; +} + +void U_CALLCONV +CollationLoader::loadRootRules(UErrorCode &errorCode) { + if(U_FAILURE(errorCode)) { return; } + rootBundle = ures_open(U_ICUDATA_COLL, kRootLocaleName, &errorCode); + if(U_FAILURE(errorCode)) { return; } + rootRules = ures_getStringByKey(rootBundle, "UCARules", &rootRulesLength, &errorCode); + if(U_FAILURE(errorCode)) { + ures_close(rootBundle); + rootBundle = NULL; + return; + } + ucln_i18n_registerCleanup(UCLN_I18N_UCOL_RES, ucol_res_cleanup); +} + +U_CDECL_END + +void +CollationLoader::appendRootRules(UnicodeString &s) { + UErrorCode errorCode = U_ZERO_ERROR; + umtx_initOnce(gInitOnce, CollationLoader::loadRootRules, errorCode); + if(U_SUCCESS(errorCode)) { + s.append(rootRules, rootRulesLength); + } +} + +void +CollationLoader::loadRules(const char *localeID, const char *collationType, + UnicodeString &rules, UErrorCode &errorCode) { + if(U_FAILURE(errorCode)) { return; } + U_ASSERT(collationType != NULL && *collationType != 0); + // Copy the type for lowercasing. + char type[16]; + int32_t typeLength = uprv_strlen(collationType); + if(typeLength >= UPRV_LENGTHOF(type)) { + errorCode = U_ILLEGAL_ARGUMENT_ERROR; + return; + } + uprv_memcpy(type, collationType, typeLength + 1); + T_CString_toLowerCase(type); + + LocalUResourceBundlePointer bundle(ures_open(U_ICUDATA_COLL, localeID, &errorCode)); + LocalUResourceBundlePointer collations( + ures_getByKey(bundle.getAlias(), "collations", NULL, &errorCode)); + LocalUResourceBundlePointer data( + ures_getByKeyWithFallback(collations.getAlias(), type, NULL, &errorCode)); + int32_t length; + const UChar *s = ures_getStringByKey(data.getAlias(), "Sequence", &length, &errorCode); + if(U_FAILURE(errorCode)) { return; } + + // No string pointer aliasing so that we need not hold onto the resource bundle. + rules.setTo(s, length); + if(rules.isBogus()) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + } +} + +template<> U_I18N_API +const CollationCacheEntry * +LocaleCacheKey<CollationCacheEntry>::createObject(const void *creationContext, + UErrorCode &errorCode) const { + CollationLoader *loader = + reinterpret_cast<CollationLoader *>( + const_cast<void *>(creationContext)); + return loader->createCacheEntry(errorCode); +} + +const CollationCacheEntry * +CollationLoader::loadTailoring(const Locale &locale, UErrorCode &errorCode) { + const CollationCacheEntry *rootEntry = CollationRoot::getRootCacheEntry(errorCode); + if(U_FAILURE(errorCode)) { return NULL; } + const char *name = locale.getName(); + if(*name == 0 || uprv_strcmp(name, "root") == 0) { + + // Have to add a ref. + rootEntry->addRef(); + return rootEntry; + } + + // Clear warning codes before loading where they get cached. + errorCode = U_ZERO_ERROR; + CollationLoader loader(rootEntry, locale, errorCode); + + // getCacheEntry adds a ref for us. + return loader.getCacheEntry(errorCode); +} + +CollationLoader::CollationLoader(const CollationCacheEntry *re, const Locale &requested, + UErrorCode &errorCode) + : cache(UnifiedCache::getInstance(errorCode)), rootEntry(re), + validLocale(re->validLocale), locale(requested), + typesTried(0), typeFallback(FALSE), + bundle(NULL), collations(NULL), data(NULL) { + type[0] = 0; + defaultType[0] = 0; + if(U_FAILURE(errorCode)) { return; } + + // Canonicalize the locale ID: Ignore all irrelevant keywords. + const char *baseName = locale.getBaseName(); + if(uprv_strcmp(locale.getName(), baseName) != 0) { + locale = Locale(baseName); + + // Fetch the collation type from the locale ID. + int32_t typeLength = requested.getKeywordValue("collation", + type, UPRV_LENGTHOF(type) - 1, errorCode); + if(U_FAILURE(errorCode)) { + errorCode = U_ILLEGAL_ARGUMENT_ERROR; + return; + } + type[typeLength] = 0; // in case of U_NOT_TERMINATED_WARNING + if(typeLength == 0) { + // No collation type. + } else if(uprv_stricmp(type, "default") == 0) { + // Ignore "default" (case-insensitive). + type[0] = 0; + } else { + // Copy the collation type. + T_CString_toLowerCase(type); + locale.setKeywordValue("collation", type, errorCode); + } + } +} + +CollationLoader::~CollationLoader() { + ures_close(data); + ures_close(collations); + ures_close(bundle); +} + +const CollationCacheEntry * +CollationLoader::createCacheEntry(UErrorCode &errorCode) { + // This is a linear lookup and fallback flow turned into a state machine. + // Most local variables have been turned into instance fields. + // In a cache miss, cache.get() calls CacheKey::createObject(), + // which means that we progress via recursion. + // loadFromCollations() will recurse to itself as well for collation type fallback. + if(bundle == NULL) { + return loadFromLocale(errorCode); + } else if(collations == NULL) { + return loadFromBundle(errorCode); + } else if(data == NULL) { + return loadFromCollations(errorCode); + } else { + return loadFromData(errorCode); + } +} + +const CollationCacheEntry * +CollationLoader::loadFromLocale(UErrorCode &errorCode) { + if(U_FAILURE(errorCode)) { return NULL; } + U_ASSERT(bundle == NULL); + bundle = ures_openNoDefault(U_ICUDATA_COLL, locale.getBaseName(), &errorCode); + if(errorCode == U_MISSING_RESOURCE_ERROR) { + errorCode = U_USING_DEFAULT_WARNING; + + // Have to add that ref that we promise. + rootEntry->addRef(); + return rootEntry; + } + Locale requestedLocale(locale); + const char *vLocale = ures_getLocaleByType(bundle, ULOC_ACTUAL_LOCALE, &errorCode); + if(U_FAILURE(errorCode)) { return NULL; } + locale = validLocale = Locale(vLocale); // no type until loadFromCollations() + if(type[0] != 0) { + locale.setKeywordValue("collation", type, errorCode); + } + if(locale != requestedLocale) { + return getCacheEntry(errorCode); + } else { + return loadFromBundle(errorCode); + } +} + +const CollationCacheEntry * +CollationLoader::loadFromBundle(UErrorCode &errorCode) { + if(U_FAILURE(errorCode)) { return NULL; } + U_ASSERT(collations == NULL); + // There are zero or more tailorings in the collations table. + collations = ures_getByKey(bundle, "collations", NULL, &errorCode); + if(errorCode == U_MISSING_RESOURCE_ERROR) { + errorCode = U_USING_DEFAULT_WARNING; + // Return the root tailoring with the validLocale, without collation type. + return makeCacheEntryFromRoot(validLocale, errorCode); + } + if(U_FAILURE(errorCode)) { return NULL; } + + // Fetch the default type from the data. + { + UErrorCode internalErrorCode = U_ZERO_ERROR; + LocalUResourceBundlePointer def( + ures_getByKeyWithFallback(collations, "default", NULL, &internalErrorCode)); + int32_t length; + const UChar *s = ures_getString(def.getAlias(), &length, &internalErrorCode); + if(U_SUCCESS(internalErrorCode) && 0 < length && length < UPRV_LENGTHOF(defaultType)) { + u_UCharsToChars(s, defaultType, length + 1); + } else { + uprv_strcpy(defaultType, "standard"); + } + } + + // Record which collation types we have looked for already, + // so that we do not deadlock in the cache. + // + // If there is no explicit type, then we look in the cache + // for the entry with the default type. + // If the explicit type is the default type, then we do not look in the cache + // for the entry with an empty type. + // Otherwise, two concurrent requests with opposite fallbacks would deadlock each other. + // Also, it is easier to always enter the next method with a non-empty type. + if(type[0] == 0) { + uprv_strcpy(type, defaultType); + typesTried |= TRIED_DEFAULT; + if(uprv_strcmp(type, "search") == 0) { + typesTried |= TRIED_SEARCH; + } + if(uprv_strcmp(type, "standard") == 0) { + typesTried |= TRIED_STANDARD; + } + locale.setKeywordValue("collation", type, errorCode); + return getCacheEntry(errorCode); + } else { + if(uprv_strcmp(type, defaultType) == 0) { + typesTried |= TRIED_DEFAULT; + } + if(uprv_strcmp(type, "search") == 0) { + typesTried |= TRIED_SEARCH; + } + if(uprv_strcmp(type, "standard") == 0) { + typesTried |= TRIED_STANDARD; + } + return loadFromCollations(errorCode); + } +} + +const CollationCacheEntry * +CollationLoader::loadFromCollations(UErrorCode &errorCode) { + if(U_FAILURE(errorCode)) { return NULL; } + U_ASSERT(data == NULL); + // Load the collations/type tailoring, with type fallback. + LocalUResourceBundlePointer localData( + ures_getByKeyWithFallback(collations, type, NULL, &errorCode)); + int32_t typeLength = uprv_strlen(type); + if(errorCode == U_MISSING_RESOURCE_ERROR) { + errorCode = U_USING_DEFAULT_WARNING; + typeFallback = TRUE; + if((typesTried & TRIED_SEARCH) == 0 && + typeLength > 6 && uprv_strncmp(type, "search", 6) == 0) { + // fall back from something like "searchjl" to "search" + typesTried |= TRIED_SEARCH; + type[6] = 0; + } else if((typesTried & TRIED_DEFAULT) == 0) { + // fall back to the default type + typesTried |= TRIED_DEFAULT; + uprv_strcpy(type, defaultType); + } else if((typesTried & TRIED_STANDARD) == 0) { + // fall back to the "standard" type + typesTried |= TRIED_STANDARD; + uprv_strcpy(type, "standard"); + } else { + // Return the root tailoring with the validLocale, without collation type. + return makeCacheEntryFromRoot(validLocale, errorCode); + } + locale.setKeywordValue("collation", type, errorCode); + return getCacheEntry(errorCode); + } + if(U_FAILURE(errorCode)) { return NULL; } + + data = localData.orphan(); + const char *actualLocale = ures_getLocaleByType(data, ULOC_ACTUAL_LOCALE, &errorCode); + if(U_FAILURE(errorCode)) { return NULL; } + const char *vLocale = validLocale.getBaseName(); + UBool actualAndValidLocalesAreDifferent = uprv_strcmp(actualLocale, vLocale) != 0; + + // Set the collation types on the informational locales, + // except when they match the default types (for brevity and backwards compatibility). + // For the valid locale, suppress the default type. + if(uprv_strcmp(type, defaultType) != 0) { + validLocale.setKeywordValue("collation", type, errorCode); + if(U_FAILURE(errorCode)) { return NULL; } + } + + // Is this the same as the root collator? If so, then use that instead. + if((*actualLocale == 0 || uprv_strcmp(actualLocale, "root") == 0) && + uprv_strcmp(type, "standard") == 0) { + if(typeFallback) { + errorCode = U_USING_DEFAULT_WARNING; + } + return makeCacheEntryFromRoot(validLocale, errorCode); + } + + locale = Locale(actualLocale); + if(actualAndValidLocalesAreDifferent) { + locale.setKeywordValue("collation", type, errorCode); + const CollationCacheEntry *entry = getCacheEntry(errorCode); + return makeCacheEntry(validLocale, entry, errorCode); + } else { + return loadFromData(errorCode); + } +} + +const CollationCacheEntry * +CollationLoader::loadFromData(UErrorCode &errorCode) { + if(U_FAILURE(errorCode)) { return NULL; } + LocalPointer<CollationTailoring> t(new CollationTailoring(rootEntry->tailoring->settings)); + if(t.isNull() || t->isBogus()) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return NULL; + } + + // deserialize + LocalUResourceBundlePointer binary(ures_getByKey(data, "%%CollationBin", NULL, &errorCode)); + // Note: U_MISSING_RESOURCE_ERROR --> The old code built from rules if available + // but that created undesirable dependencies. + int32_t length; + const uint8_t *inBytes = ures_getBinary(binary.getAlias(), &length, &errorCode); + CollationDataReader::read(rootEntry->tailoring, inBytes, length, *t, errorCode); + // Note: U_COLLATOR_VERSION_MISMATCH --> The old code built from rules if available + // but that created undesirable dependencies. + if(U_FAILURE(errorCode)) { return NULL; } + + // Try to fetch the optional rules string. + { + UErrorCode internalErrorCode = U_ZERO_ERROR; + int32_t length; + const UChar *s = ures_getStringByKey(data, "Sequence", &length, + &internalErrorCode); + if(U_SUCCESS(internalErrorCode)) { + t->rules.setTo(TRUE, s, length); + } + } + + const char *actualLocale = locale.getBaseName(); // without type + const char *vLocale = validLocale.getBaseName(); + UBool actualAndValidLocalesAreDifferent = uprv_strcmp(actualLocale, vLocale) != 0; + + // For the actual locale, suppress the default type *according to the actual locale*. + // For example, zh has default=pinyin and contains all of the Chinese tailorings. + // zh_Hant has default=stroke but has no other data. + // For the valid locale "zh_Hant" we need to suppress stroke. + // For the actual locale "zh" we need to suppress pinyin instead. + if(actualAndValidLocalesAreDifferent) { + // Opening a bundle for the actual locale should always succeed. + LocalUResourceBundlePointer actualBundle( + ures_open(U_ICUDATA_COLL, actualLocale, &errorCode)); + if(U_FAILURE(errorCode)) { return NULL; } + UErrorCode internalErrorCode = U_ZERO_ERROR; + LocalUResourceBundlePointer def( + ures_getByKeyWithFallback(actualBundle.getAlias(), "collations/default", NULL, + &internalErrorCode)); + int32_t length; + const UChar *s = ures_getString(def.getAlias(), &length, &internalErrorCode); + if(U_SUCCESS(internalErrorCode) && length < UPRV_LENGTHOF(defaultType)) { + u_UCharsToChars(s, defaultType, length + 1); + } else { + uprv_strcpy(defaultType, "standard"); + } + } + t->actualLocale = locale; + if(uprv_strcmp(type, defaultType) != 0) { + t->actualLocale.setKeywordValue("collation", type, errorCode); + } else if(uprv_strcmp(locale.getName(), locale.getBaseName()) != 0) { + // Remove the collation keyword if it was set. + t->actualLocale.setKeywordValue("collation", NULL, errorCode); + } + if(U_FAILURE(errorCode)) { return NULL; } + + if(typeFallback) { + errorCode = U_USING_DEFAULT_WARNING; + } + t->bundle = bundle; + bundle = NULL; + const CollationCacheEntry *entry = new CollationCacheEntry(validLocale, t.getAlias()); + if(entry == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + } else { + t.orphan(); + } + // Have to add that reference that we promise. + entry->addRef(); + return entry; +} + +const CollationCacheEntry * +CollationLoader::getCacheEntry(UErrorCode &errorCode) { + LocaleCacheKey<CollationCacheEntry> key(locale); + const CollationCacheEntry *entry = NULL; + cache->get(key, this, entry, errorCode); + return entry; +} + +const CollationCacheEntry * +CollationLoader::makeCacheEntryFromRoot( + const Locale &/*loc*/, + UErrorCode &errorCode) const { + if (U_FAILURE(errorCode)) { + return NULL; + } + rootEntry->addRef(); + return makeCacheEntry(validLocale, rootEntry, errorCode); +} + +const CollationCacheEntry * +CollationLoader::makeCacheEntry( + const Locale &loc, + const CollationCacheEntry *entryFromCache, + UErrorCode &errorCode) { + if(U_FAILURE(errorCode) || loc == entryFromCache->validLocale) { + return entryFromCache; + } + CollationCacheEntry *entry = new CollationCacheEntry(loc, entryFromCache->tailoring); + if(entry == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + entryFromCache->removeRef(); + return NULL; + } + entry->addRef(); + entryFromCache->removeRef(); + return entry; +} + +U_NAMESPACE_END + +U_NAMESPACE_USE + +U_CAPI UCollator* +ucol_open(const char *loc, + UErrorCode *status) +{ + UTRACE_ENTRY_OC(UTRACE_UCOL_OPEN); + UTRACE_DATA1(UTRACE_INFO, "locale = \"%s\"", loc); + UCollator *result = NULL; + + Collator *coll = Collator::createInstance(loc, *status); + if(U_SUCCESS(*status)) { + result = coll->toUCollator(); + } + UTRACE_EXIT_PTR_STATUS(result, *status); + return result; +} + + +U_CAPI int32_t U_EXPORT2 +ucol_getDisplayName( const char *objLoc, + const char *dispLoc, + UChar *result, + int32_t resultLength, + UErrorCode *status) +{ + if(U_FAILURE(*status)) return -1; + UnicodeString dst; + if(!(result==NULL && resultLength==0)) { + // NULL destination for pure preflighting: empty dummy string + // otherwise, alias the destination buffer + dst.setTo(result, 0, resultLength); + } + Collator::getDisplayName(Locale(objLoc), Locale(dispLoc), dst); + return dst.extract(result, resultLength, *status); +} + +U_CAPI const char* U_EXPORT2 +ucol_getAvailable(int32_t index) +{ + int32_t count = 0; + const Locale *loc = Collator::getAvailableLocales(count); + if (loc != NULL && index < count) { + return loc[index].getName(); + } + return NULL; +} + +U_CAPI int32_t U_EXPORT2 +ucol_countAvailable() +{ + int32_t count = 0; + Collator::getAvailableLocales(count); + return count; +} + +#if !UCONFIG_NO_SERVICE +U_CAPI UEnumeration* U_EXPORT2 +ucol_openAvailableLocales(UErrorCode *status) { + // This is a wrapper over Collator::getAvailableLocales() + if (U_FAILURE(*status)) { + return NULL; + } + StringEnumeration *s = icu::Collator::getAvailableLocales(); + if (s == NULL) { + *status = U_MEMORY_ALLOCATION_ERROR; + return NULL; + } + return uenum_openFromStringEnumeration(s, status); +} +#endif + +// Note: KEYWORDS[0] != RESOURCE_NAME - alan + +static const char RESOURCE_NAME[] = "collations"; + +static const char* const KEYWORDS[] = { "collation" }; + +#define KEYWORD_COUNT UPRV_LENGTHOF(KEYWORDS) + +U_CAPI UEnumeration* U_EXPORT2 +ucol_getKeywords(UErrorCode *status) { + UEnumeration *result = NULL; + if (U_SUCCESS(*status)) { + return uenum_openCharStringsEnumeration(KEYWORDS, KEYWORD_COUNT, status); + } + return result; +} + +U_CAPI UEnumeration* U_EXPORT2 +ucol_getKeywordValues(const char *keyword, UErrorCode *status) { + if (U_FAILURE(*status)) { + return NULL; + } + // hard-coded to accept exactly one collation keyword + // modify if additional collation keyword is added later + if (keyword==NULL || uprv_strcmp(keyword, KEYWORDS[0])!=0) + { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return NULL; + } + return ures_getKeywordValues(U_ICUDATA_COLL, RESOURCE_NAME, status); +} + +static const UEnumeration defaultKeywordValues = { + NULL, + NULL, + ulist_close_keyword_values_iterator, + ulist_count_keyword_values, + uenum_unextDefault, + ulist_next_keyword_value, + ulist_reset_keyword_values_iterator +}; + +namespace { + +struct KeywordsSink : public ResourceSink { +public: + KeywordsSink(UErrorCode &errorCode) : + values(ulist_createEmptyList(&errorCode)), hasDefault(FALSE) {} + virtual ~KeywordsSink(); + + virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/, + UErrorCode &errorCode) { + if (U_FAILURE(errorCode)) { return; } + ResourceTable collations = value.getTable(errorCode); + for (int32_t i = 0; collations.getKeyAndValue(i, key, value); ++i) { + UResType type = value.getType(); + if (type == URES_STRING) { + if (!hasDefault && uprv_strcmp(key, "default") == 0) { + CharString defcoll; + defcoll.appendInvariantChars(value.getUnicodeString(errorCode), errorCode); + if (U_SUCCESS(errorCode) && !defcoll.isEmpty()) { + char *ownedDefault = uprv_strdup(defcoll.data()); + if (ownedDefault == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return; + } + ulist_removeString(values, defcoll.data()); + ulist_addItemBeginList(values, ownedDefault, TRUE, &errorCode); + hasDefault = TRUE; + } + } + } else if (type == URES_TABLE && uprv_strncmp(key, "private-", 8) != 0) { + if (!ulist_containsString(values, key, (int32_t)uprv_strlen(key))) { + ulist_addItemEndList(values, key, FALSE, &errorCode); + } + } + if (U_FAILURE(errorCode)) { return; } + } + } + + UList *values; + UBool hasDefault; +}; + +KeywordsSink::~KeywordsSink() { + ulist_deleteList(values); +} + +} // namespace + +U_CAPI UEnumeration* U_EXPORT2 +ucol_getKeywordValuesForLocale(const char* /*key*/, const char* locale, + UBool /*commonlyUsed*/, UErrorCode* status) { + // Note: The parameter commonlyUsed is not used. + // The switch is in the method signature for consistency + // with other locale services. + + // Read available collation values from collation bundles. + LocalUResourceBundlePointer bundle(ures_open(U_ICUDATA_COLL, locale, status)); + KeywordsSink sink(*status); + ures_getAllItemsWithFallback(bundle.getAlias(), RESOURCE_NAME, sink, *status); + if (U_FAILURE(*status)) { return NULL; } + + UEnumeration *en = (UEnumeration *)uprv_malloc(sizeof(UEnumeration)); + if (en == NULL) { + *status = U_MEMORY_ALLOCATION_ERROR; + return NULL; + } + memcpy(en, &defaultKeywordValues, sizeof(UEnumeration)); + ulist_resetList(sink.values); // Initialize the iterator. + en->context = sink.values; + sink.values = NULL; // Avoid deletion in the sink destructor. + return en; +} + +U_CAPI int32_t U_EXPORT2 +ucol_getFunctionalEquivalent(char* result, int32_t resultCapacity, + const char* keyword, const char* locale, + UBool* isAvailable, UErrorCode* status) +{ + // N.B.: Resource name is "collations" but keyword is "collation" + return ures_getFunctionalEquivalent(result, resultCapacity, U_ICUDATA_COLL, + "collations", keyword, locale, + isAvailable, TRUE, status); +} + +#endif /* #if !UCONFIG_NO_COLLATION */ |