| /* |
| ******************************************************************************* |
| * Copyright (C) 2010, International Business Machines Corporation and * |
| * others. All Rights Reserved. * |
| ******************************************************************************* |
| */ |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| |
| #include "unicode/locdspnm.h" |
| |
| #include "unicode/msgfmt.h" |
| |
| #include "cmemory.h" |
| #include "cstring.h" |
| #include "ulocimp.h" |
| #include "ureslocs.h" |
| |
| #include <stdarg.h> |
| |
| /** |
| * Concatenate a number of null-terminated strings to buffer, leaving a |
| * null-terminated string. The last argument should be the null pointer. |
| * Return the length of the string in the buffer, not counting the trailing |
| * null. Return -1 if there is an error (buffer is null, or buflen < 1). |
| */ |
| static int32_t ncat(char *buffer, uint32_t buflen, ...) { |
| va_list args; |
| char *str; |
| char *p = buffer; |
| const char* e = buffer + buflen - 1; |
| |
| if (buffer == NULL || buflen < 1) { |
| return -1; |
| } |
| |
| va_start(args, buflen); |
| while ((str = va_arg(args, char *))) { |
| char c; |
| while (p != e && (c = *str++)) { |
| *p++ = c; |
| } |
| } |
| *p = 0; |
| va_end(args); |
| |
| return p - buffer; |
| } |
| |
| U_NAMESPACE_BEGIN |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| // Access resource data for locale components. |
| // Wrap code in uloc.c for now. |
| class ICUDataTable { |
| const char* path; |
| Locale locale; |
| |
| public: |
| ICUDataTable(const char* path, const Locale& locale); |
| ~ICUDataTable(); |
| |
| const Locale& getLocale(); |
| |
| UnicodeString& get(const char* tableKey, const char* itemKey, |
| UnicodeString& result) const; |
| UnicodeString& get(const char* tableKey, const char* subTableKey, const char* itemKey, |
| UnicodeString& result) const; |
| |
| UnicodeString& getNoFallback(const char* tableKey, const char* itemKey, |
| UnicodeString &result) const; |
| UnicodeString& getNoFallback(const char* tableKey, const char* subTableKey, const char* itemKey, |
| UnicodeString &result) const; |
| }; |
| |
| inline UnicodeString & |
| ICUDataTable::get(const char* tableKey, const char* itemKey, UnicodeString& result) const { |
| return get(tableKey, NULL, itemKey, result); |
| } |
| |
| inline UnicodeString & |
| ICUDataTable::getNoFallback(const char* tableKey, const char* itemKey, UnicodeString& result) const { |
| return getNoFallback(tableKey, NULL, itemKey, result); |
| } |
| |
| ICUDataTable::ICUDataTable(const char* path, const Locale& locale) |
| : path(NULL), locale(Locale::getRoot()) |
| { |
| if (path) { |
| int32_t len = uprv_strlen(path); |
| this->path = (const char*) uprv_malloc(len + 1); |
| if (this->path) { |
| uprv_strcpy((char *)this->path, path); |
| this->locale = locale; |
| } |
| } |
| } |
| |
| ICUDataTable::~ICUDataTable() { |
| if (path) { |
| uprv_free((void*) path); |
| path = NULL; |
| } |
| } |
| |
| const Locale& |
| ICUDataTable::getLocale() { |
| return locale; |
| } |
| |
| UnicodeString & |
| ICUDataTable::get(const char* tableKey, const char* subTableKey, const char* itemKey, |
| UnicodeString &result) const { |
| UErrorCode status = U_ZERO_ERROR; |
| int32_t len = 0; |
| |
| const UChar *s = uloc_getTableStringWithFallback(path, locale.getName(), |
| tableKey, subTableKey, itemKey, |
| &len, &status); |
| if (U_SUCCESS(status)) { |
| return result.setTo(s, len); |
| } |
| return result.setTo(UnicodeString(itemKey, -1, US_INV)); |
| } |
| |
| UnicodeString & |
| ICUDataTable::getNoFallback(const char* tableKey, const char* subTableKey, const char* itemKey, |
| UnicodeString& result) const { |
| UErrorCode status = U_ZERO_ERROR; |
| int32_t len = 0; |
| |
| const UChar *s = uloc_getTableStringWithFallback(path, locale.getName(), |
| tableKey, subTableKey, itemKey, |
| &len, &status); |
| if (U_SUCCESS(status)) { |
| return result.setTo(s, len); |
| } |
| |
| result.setToBogus(); |
| return result; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| UOBJECT_DEFINE_NO_RTTI_IMPLEMENTATION(LocaleDisplayNames) |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| #if 0 // currently unused |
| |
| class DefaultLocaleDisplayNames : public LocaleDisplayNames { |
| UDialectHandling dialectHandling; |
| |
| public: |
| // constructor |
| DefaultLocaleDisplayNames(UDialectHandling dialectHandling); |
| |
| virtual ~DefaultLocaleDisplayNames(); |
| |
| virtual const Locale& getLocale() const; |
| virtual UDialectHandling getDialectHandling() const; |
| virtual UnicodeString& localeDisplayName(const Locale& locale, |
| UnicodeString& result) const; |
| virtual UnicodeString& localeDisplayName(const char* localeId, |
| UnicodeString& result) const; |
| virtual UnicodeString& languageDisplayName(const char* lang, |
| UnicodeString& result) const; |
| virtual UnicodeString& scriptDisplayName(const char* script, |
| UnicodeString& result) const; |
| virtual UnicodeString& scriptDisplayName(UScriptCode scriptCode, |
| UnicodeString& result) const; |
| virtual UnicodeString& regionDisplayName(const char* region, |
| UnicodeString& result) const; |
| virtual UnicodeString& variantDisplayName(const char* variant, |
| UnicodeString& result) const; |
| virtual UnicodeString& keyDisplayName(const char* key, |
| UnicodeString& result) const; |
| virtual UnicodeString& keyValueDisplayName(const char* key, |
| const char* value, |
| UnicodeString& result) const; |
| }; |
| |
| DefaultLocaleDisplayNames::DefaultLocaleDisplayNames(UDialectHandling dialectHandling) |
| : dialectHandling(dialectHandling) { |
| } |
| |
| DefaultLocaleDisplayNames::~DefaultLocaleDisplayNames() { |
| } |
| |
| const Locale& |
| DefaultLocaleDisplayNames::getLocale() const { |
| return Locale::getRoot(); |
| } |
| |
| UDialectHandling |
| DefaultLocaleDisplayNames::getDialectHandling() const { |
| return dialectHandling; |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::localeDisplayName(const Locale& locale, |
| UnicodeString& result) const { |
| return result = UnicodeString(locale.getName(), -1, US_INV); |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::localeDisplayName(const char* localeId, |
| UnicodeString& result) const { |
| return result = UnicodeString(localeId, -1, US_INV); |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::languageDisplayName(const char* lang, |
| UnicodeString& result) const { |
| return result = UnicodeString(lang, -1, US_INV); |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::scriptDisplayName(const char* script, |
| UnicodeString& result) const { |
| return result = UnicodeString(script, -1, US_INV); |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::scriptDisplayName(UScriptCode scriptCode, |
| UnicodeString& result) const { |
| const char* name = uscript_getName(scriptCode); |
| if (name) { |
| return result = UnicodeString(name, -1, US_INV); |
| } |
| return result.remove(); |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::regionDisplayName(const char* region, |
| UnicodeString& result) const { |
| return result = UnicodeString(region, -1, US_INV); |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::variantDisplayName(const char* variant, |
| UnicodeString& result) const { |
| return result = UnicodeString(variant, -1, US_INV); |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::keyDisplayName(const char* key, |
| UnicodeString& result) const { |
| return result = UnicodeString(key, -1, US_INV); |
| } |
| |
| UnicodeString& |
| DefaultLocaleDisplayNames::keyValueDisplayName(const char* /* key */, |
| const char* value, |
| UnicodeString& result) const { |
| return result = UnicodeString(value, -1, US_INV); |
| } |
| |
| #endif // currently unused class DefaultLocaleDisplayNames |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| class LocaleDisplayNamesImpl : public LocaleDisplayNames { |
| Locale locale; |
| UDialectHandling dialectHandling; |
| ICUDataTable langData; |
| ICUDataTable regionData; |
| UnicodeString sep; |
| MessageFormat *format; |
| |
| public: |
| // constructor |
| LocaleDisplayNamesImpl(const Locale& locale, UDialectHandling dialectHandling); |
| virtual ~LocaleDisplayNamesImpl(); |
| |
| virtual const Locale& getLocale() const; |
| virtual UDialectHandling getDialectHandling() const; |
| |
| virtual UnicodeString& localeDisplayName(const Locale& locale, |
| UnicodeString& result) const; |
| virtual UnicodeString& localeDisplayName(const char* localeId, |
| UnicodeString& result) const; |
| virtual UnicodeString& languageDisplayName(const char* lang, |
| UnicodeString& result) const; |
| virtual UnicodeString& scriptDisplayName(const char* script, |
| UnicodeString& result) const; |
| virtual UnicodeString& scriptDisplayName(UScriptCode scriptCode, |
| UnicodeString& result) const; |
| virtual UnicodeString& regionDisplayName(const char* region, |
| UnicodeString& result) const; |
| virtual UnicodeString& variantDisplayName(const char* variant, |
| UnicodeString& result) const; |
| virtual UnicodeString& keyDisplayName(const char* key, |
| UnicodeString& result) const; |
| virtual UnicodeString& keyValueDisplayName(const char* key, |
| const char* value, |
| UnicodeString& result) const; |
| private: |
| UnicodeString& localeIdName(const char* localeId, |
| UnicodeString& result) const; |
| UnicodeString& appendWithSep(UnicodeString& buffer, const UnicodeString& src) const; |
| }; |
| |
| LocaleDisplayNamesImpl::LocaleDisplayNamesImpl(const Locale& locale, |
| UDialectHandling dialectHandling) |
| : dialectHandling(dialectHandling) |
| , langData(U_ICUDATA_LANG, locale) |
| , regionData(U_ICUDATA_REGION, locale) |
| , format(NULL) |
| { |
| LocaleDisplayNamesImpl *nonConstThis = (LocaleDisplayNamesImpl *)this; |
| nonConstThis->locale = langData.getLocale() == Locale::getRoot() |
| ? regionData.getLocale() |
| : langData.getLocale(); |
| |
| langData.getNoFallback("localeDisplayPattern", "separator", sep); |
| if (sep.isBogus()) { |
| sep = UnicodeString(", ", -1, US_INV); |
| } |
| |
| UnicodeString pattern; |
| langData.getNoFallback("localeDisplayPattern", "pattern", pattern); |
| if (pattern.isBogus()) { |
| pattern = UnicodeString("{0} ({1})", -1, US_INV); |
| } |
| UErrorCode status = U_ZERO_ERROR; |
| format = new MessageFormat(pattern, status); |
| } |
| |
| LocaleDisplayNamesImpl::~LocaleDisplayNamesImpl() { |
| delete format; |
| } |
| |
| const Locale& |
| LocaleDisplayNamesImpl::getLocale() const { |
| return locale; |
| } |
| |
| UDialectHandling |
| LocaleDisplayNamesImpl::getDialectHandling() const { |
| return dialectHandling; |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::localeDisplayName(const Locale& locale, |
| UnicodeString& result) const { |
| UnicodeString resultName; |
| |
| const char* lang = locale.getLanguage(); |
| if (uprv_strlen(lang) == 0) { |
| lang = "root"; |
| } |
| const char* script = locale.getScript(); |
| const char* country = locale.getCountry(); |
| const char* variant = locale.getVariant(); |
| |
| UBool hasScript = uprv_strlen(script) > 0; |
| UBool hasCountry = uprv_strlen(country) > 0; |
| UBool hasVariant = uprv_strlen(variant) > 0; |
| |
| if (dialectHandling == ULDN_DIALECT_NAMES) { |
| char buffer[ULOC_FULLNAME_CAPACITY]; |
| do { // loop construct is so we can break early out of search |
| if (hasScript && hasCountry) { |
| ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", script, "_", country, (char *)0); |
| localeIdName(buffer, resultName); |
| if (!resultName.isBogus()) { |
| hasScript = FALSE; |
| hasCountry = FALSE; |
| break; |
| } |
| } |
| if (hasScript) { |
| ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", script, (char *)0); |
| localeIdName(buffer, resultName); |
| if (!resultName.isBogus()) { |
| hasScript = FALSE; |
| break; |
| } |
| } |
| if (hasCountry) { |
| ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", country, (char*)0); |
| localeIdName(buffer, resultName); |
| if (!resultName.isBogus()) { |
| hasCountry = FALSE; |
| break; |
| } |
| } |
| } while (FALSE); |
| } |
| if (resultName.isBogus() || resultName.isEmpty()) { |
| localeIdName(lang, resultName); |
| } |
| |
| UnicodeString resultRemainder; |
| UnicodeString temp; |
| StringEnumeration *e = NULL; |
| UErrorCode status = U_ZERO_ERROR; |
| |
| if (hasScript) { |
| resultRemainder.append(scriptDisplayName(script, temp)); |
| } |
| if (hasCountry) { |
| appendWithSep(resultRemainder, regionDisplayName(country, temp)); |
| } |
| if (hasVariant) { |
| appendWithSep(resultRemainder, variantDisplayName(variant, temp)); |
| } |
| |
| e = locale.createKeywords(status); |
| if (e && U_SUCCESS(status)) { |
| UnicodeString temp2; |
| char value[ULOC_KEYWORD_AND_VALUES_CAPACITY]; // sigh, no ULOC_VALUE_CAPACITY |
| const char* key; |
| while ((key = e->next((int32_t *)0, status)) != NULL) { |
| locale.getKeywordValue(key, value, ULOC_KEYWORD_AND_VALUES_CAPACITY, status); |
| appendWithSep(resultRemainder, keyDisplayName(key, temp)) |
| .append("=") |
| .append(keyValueDisplayName(key, value, temp2)); |
| } |
| delete e; |
| } |
| |
| if (!resultRemainder.isEmpty()) { |
| Formattable data[] = { |
| resultName, |
| resultRemainder |
| }; |
| FieldPosition fpos; |
| status = U_ZERO_ERROR; |
| format->format(data, 2, result, fpos, status); |
| return result; |
| } |
| |
| return result = resultName; |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::appendWithSep(UnicodeString& buffer, const UnicodeString& src) const { |
| if (!buffer.isEmpty()) { |
| buffer.append(sep); |
| } |
| buffer.append(src); |
| return buffer; |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::localeDisplayName(const char* localeId, |
| UnicodeString& result) const { |
| return localeDisplayName(Locale(localeId), result); |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::localeIdName(const char* localeId, |
| UnicodeString& result) const { |
| return langData.getNoFallback("Languages", localeId, result); |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::languageDisplayName(const char* lang, |
| UnicodeString& result) const { |
| if (uprv_strcmp("root", lang) == 0 || uprv_strchr(lang, '_') != NULL) { |
| return result = UnicodeString(lang, -1, US_INV); |
| } |
| return langData.get("Languages", lang, result); |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::scriptDisplayName(const char* script, |
| UnicodeString& result) const { |
| return langData.get("Scripts", script, result); |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::scriptDisplayName(UScriptCode scriptCode, |
| UnicodeString& result) const { |
| const char* name = uscript_getName(scriptCode); |
| return langData.get("Scripts", name, result); |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::regionDisplayName(const char* region, |
| UnicodeString& result) const { |
| return regionData.get("Countries", region, result); |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::variantDisplayName(const char* variant, |
| UnicodeString& result) const { |
| return langData.get("Variants", variant, result); |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::keyDisplayName(const char* key, |
| UnicodeString& result) const { |
| return langData.get("Keys", key, result); |
| } |
| |
| UnicodeString& |
| LocaleDisplayNamesImpl::keyValueDisplayName(const char* key, |
| const char* value, |
| UnicodeString& result) const { |
| return langData.get("Types", key, value, result); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| LocaleDisplayNames* |
| LocaleDisplayNames::createInstance(const Locale& locale, |
| UDialectHandling dialectHandling) { |
| return new LocaleDisplayNamesImpl(locale, dialectHandling); |
| } |
| |
| U_NAMESPACE_END |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| U_NAMESPACE_USE |
| |
| U_DRAFT ULocaleDisplayNames * U_EXPORT2 |
| uldn_open(const char * locale, |
| UDialectHandling dialectHandling, |
| UErrorCode *pErrorCode) { |
| if (U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if (locale == NULL) { |
| locale = uloc_getDefault(); |
| } |
| return (ULocaleDisplayNames *)LocaleDisplayNames::createInstance(Locale(locale), dialectHandling); |
| } |
| |
| U_DRAFT void U_EXPORT2 |
| uldn_close(ULocaleDisplayNames *ldn) { |
| delete (LocaleDisplayNames *)ldn; |
| } |
| |
| U_DRAFT const char * U_EXPORT2 |
| uldn_getLocale(const ULocaleDisplayNames *ldn) { |
| if (ldn) { |
| return ((const LocaleDisplayNames *)ldn)->getLocale().getName(); |
| } |
| return NULL; |
| } |
| |
| U_DRAFT UDialectHandling U_EXPORT2 |
| uldn_getDialectHandling(const ULocaleDisplayNames *ldn) { |
| if (ldn) { |
| return ((const LocaleDisplayNames *)ldn)->getDialectHandling(); |
| } |
| return ULDN_STANDARD_NAMES; |
| } |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uldn_localeDisplayName(const ULocaleDisplayNames *ldn, |
| const char *locale, |
| UChar *result, |
| int32_t maxResultSize, |
| UErrorCode *pErrorCode) { |
| if (U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if (ldn == NULL || locale == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { |
| *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| UnicodeString temp(result, 0, maxResultSize); |
| ((const LocaleDisplayNames *)ldn)->localeDisplayName(locale, temp); |
| return temp.extract(result, maxResultSize, *pErrorCode); |
| } |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uldn_languageDisplayName(const ULocaleDisplayNames *ldn, |
| const char *lang, |
| UChar *result, |
| int32_t maxResultSize, |
| UErrorCode *pErrorCode) { |
| if (U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if (ldn == NULL || lang == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { |
| *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| UnicodeString temp(result, 0, maxResultSize); |
| ((const LocaleDisplayNames *)ldn)->languageDisplayName(lang, temp); |
| return temp.extract(result, maxResultSize, *pErrorCode); |
| } |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uldn_scriptDisplayName(const ULocaleDisplayNames *ldn, |
| const char *script, |
| UChar *result, |
| int32_t maxResultSize, |
| UErrorCode *pErrorCode) { |
| if (U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if (ldn == NULL || script == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { |
| *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| UnicodeString temp(result, 0, maxResultSize); |
| ((const LocaleDisplayNames *)ldn)->scriptDisplayName(script, temp); |
| return temp.extract(result, maxResultSize, *pErrorCode); |
| } |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uldn_scriptCodeDisplayName(const ULocaleDisplayNames *ldn, |
| UScriptCode scriptCode, |
| UChar *result, |
| int32_t maxResultSize, |
| UErrorCode *pErrorCode) { |
| return uldn_scriptDisplayName(ldn, uscript_getName(scriptCode), result, maxResultSize, pErrorCode); |
| } |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uldn_regionDisplayName(const ULocaleDisplayNames *ldn, |
| const char *region, |
| UChar *result, |
| int32_t maxResultSize, |
| UErrorCode *pErrorCode) { |
| if (U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if (ldn == NULL || region == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { |
| *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| UnicodeString temp(result, 0, maxResultSize); |
| ((const LocaleDisplayNames *)ldn)->regionDisplayName(region, temp); |
| return temp.extract(result, maxResultSize, *pErrorCode); |
| } |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uldn_variantDisplayName(const ULocaleDisplayNames *ldn, |
| const char *variant, |
| UChar *result, |
| int32_t maxResultSize, |
| UErrorCode *pErrorCode) { |
| if (U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if (ldn == NULL || variant == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { |
| *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| UnicodeString temp(result, 0, maxResultSize); |
| ((const LocaleDisplayNames *)ldn)->variantDisplayName(variant, temp); |
| return temp.extract(result, maxResultSize, *pErrorCode); |
| } |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uldn_keyDisplayName(const ULocaleDisplayNames *ldn, |
| const char *key, |
| UChar *result, |
| int32_t maxResultSize, |
| UErrorCode *pErrorCode) { |
| if (U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if (ldn == NULL || key == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) { |
| *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| UnicodeString temp(result, 0, maxResultSize); |
| ((const LocaleDisplayNames *)ldn)->keyDisplayName(key, temp); |
| return temp.extract(result, maxResultSize, *pErrorCode); |
| } |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uldn_keyValueDisplayName(const ULocaleDisplayNames *ldn, |
| const char *key, |
| const char *value, |
| UChar *result, |
| int32_t maxResultSize, |
| UErrorCode *pErrorCode) { |
| if (U_FAILURE(*pErrorCode)) { |
| return 0; |
| } |
| if (ldn == NULL || key == NULL || value == NULL || (result == NULL && maxResultSize > 0) |
| || maxResultSize < 0) { |
| *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| UnicodeString temp(result, 0, maxResultSize); |
| ((const LocaleDisplayNames *)ldn)->keyValueDisplayName(key, value, temp); |
| return temp.extract(result, maxResultSize, *pErrorCode); |
| } |
| |
| #endif |