| // © 2016 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html |
| /* |
| ********************************************************************** |
| * Copyright (C) 1997-2016, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ********************************************************************** |
| * |
| * File locid.cpp |
| * |
| * Created by: Richard Gillam |
| * |
| * Modification History: |
| * |
| * Date Name Description |
| * 02/11/97 aliu Changed gLocPath to fgDataDirectory and added |
| * methods to get and set it. |
| * 04/02/97 aliu Made operator!= inline; fixed return value |
| * of getName(). |
| * 04/15/97 aliu Cleanup for AIX/Win32. |
| * 04/24/97 aliu Numerous changes per code review. |
| * 08/18/98 stephen Changed getDisplayName() |
| * Added SIMPLIFIED_CHINESE, TRADITIONAL_CHINESE |
| * Added getISOCountries(), getISOLanguages(), |
| * getLanguagesForCountry() |
| * 03/16/99 bertrand rehaul. |
| * 07/21/99 stephen Added U_CFUNC setDefault |
| * 11/09/99 weiv Added const char * getName() const; |
| * 04/12/00 srl removing unicodestring api's and cached hash code |
| * 08/10/01 grhoten Change the static Locales to accessor functions |
| ****************************************************************************** |
| */ |
| |
| #include <utility> |
| |
| #include "unicode/bytestream.h" |
| #include "unicode/locid.h" |
| #include "unicode/strenum.h" |
| #include "unicode/stringpiece.h" |
| #include "unicode/uloc.h" |
| #include "unicode/ures.h" |
| |
| #include "bytesinkutil.h" |
| #include "charstr.h" |
| #include "cmemory.h" |
| #include "cstring.h" |
| #include "mutex.h" |
| #include "putilimp.h" |
| #include "uassert.h" |
| #include "ucln_cmn.h" |
| #include "uhash.h" |
| #include "ulocimp.h" |
| #include "umutex.h" |
| #include "ustr_imp.h" |
| |
| U_CDECL_BEGIN |
| static UBool U_CALLCONV locale_cleanup(void); |
| U_CDECL_END |
| |
| U_NAMESPACE_BEGIN |
| |
| static Locale *gLocaleCache = NULL; |
| static UInitOnce gLocaleCacheInitOnce = U_INITONCE_INITIALIZER; |
| |
| // gDefaultLocaleMutex protects all access to gDefaultLocalesHashT and gDefaultLocale. |
| static UMutex gDefaultLocaleMutex; |
| static UHashtable *gDefaultLocalesHashT = NULL; |
| static Locale *gDefaultLocale = NULL; |
| |
| /** |
| * \def ULOC_STRING_LIMIT |
| * strings beyond this value crash in CharString |
| */ |
| #define ULOC_STRING_LIMIT 357913941 |
| |
| U_NAMESPACE_END |
| |
| typedef enum ELocalePos { |
| eENGLISH, |
| eFRENCH, |
| eGERMAN, |
| eITALIAN, |
| eJAPANESE, |
| eKOREAN, |
| eCHINESE, |
| |
| eFRANCE, |
| eGERMANY, |
| eITALY, |
| eJAPAN, |
| eKOREA, |
| eCHINA, /* Alias for PRC */ |
| eTAIWAN, |
| eUK, |
| eUS, |
| eCANADA, |
| eCANADA_FRENCH, |
| eROOT, |
| |
| |
| //eDEFAULT, |
| eMAX_LOCALES |
| } ELocalePos; |
| |
| U_CFUNC int32_t locale_getKeywords(const char *localeID, |
| char prev, |
| char *keywords, int32_t keywordCapacity, |
| UBool valuesToo, |
| UErrorCode *status); |
| |
| U_CDECL_BEGIN |
| // |
| // Deleter function for Locales owned by the default Locale hash table/ |
| // |
| static void U_CALLCONV |
| deleteLocale(void *obj) { |
| delete (icu::Locale *) obj; |
| } |
| |
| static UBool U_CALLCONV locale_cleanup(void) |
| { |
| U_NAMESPACE_USE |
| |
| delete [] gLocaleCache; |
| gLocaleCache = NULL; |
| gLocaleCacheInitOnce.reset(); |
| |
| if (gDefaultLocalesHashT) { |
| uhash_close(gDefaultLocalesHashT); // Automatically deletes all elements, using deleter func. |
| gDefaultLocalesHashT = NULL; |
| } |
| gDefaultLocale = NULL; |
| return TRUE; |
| } |
| |
| |
| static void U_CALLCONV locale_init(UErrorCode &status) { |
| U_NAMESPACE_USE |
| |
| U_ASSERT(gLocaleCache == NULL); |
| gLocaleCache = new Locale[(int)eMAX_LOCALES]; |
| if (gLocaleCache == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup); |
| gLocaleCache[eROOT] = Locale(""); |
| gLocaleCache[eENGLISH] = Locale("en"); |
| gLocaleCache[eFRENCH] = Locale("fr"); |
| gLocaleCache[eGERMAN] = Locale("de"); |
| gLocaleCache[eITALIAN] = Locale("it"); |
| gLocaleCache[eJAPANESE] = Locale("ja"); |
| gLocaleCache[eKOREAN] = Locale("ko"); |
| gLocaleCache[eCHINESE] = Locale("zh"); |
| gLocaleCache[eFRANCE] = Locale("fr", "FR"); |
| gLocaleCache[eGERMANY] = Locale("de", "DE"); |
| gLocaleCache[eITALY] = Locale("it", "IT"); |
| gLocaleCache[eJAPAN] = Locale("ja", "JP"); |
| gLocaleCache[eKOREA] = Locale("ko", "KR"); |
| gLocaleCache[eCHINA] = Locale("zh", "CN"); |
| gLocaleCache[eTAIWAN] = Locale("zh", "TW"); |
| gLocaleCache[eUK] = Locale("en", "GB"); |
| gLocaleCache[eUS] = Locale("en", "US"); |
| gLocaleCache[eCANADA] = Locale("en", "CA"); |
| gLocaleCache[eCANADA_FRENCH] = Locale("fr", "CA"); |
| } |
| |
| U_CDECL_END |
| |
| U_NAMESPACE_BEGIN |
| |
| Locale *locale_set_default_internal(const char *id, UErrorCode& status) { |
| // Synchronize this entire function. |
| Mutex lock(&gDefaultLocaleMutex); |
| |
| UBool canonicalize = FALSE; |
| |
| // If given a NULL string for the locale id, grab the default |
| // name from the system. |
| // (Different from most other locale APIs, where a null name means use |
| // the current ICU default locale.) |
| if (id == NULL) { |
| id = uprv_getDefaultLocaleID(); // This function not thread safe? TODO: verify. |
| canonicalize = TRUE; // always canonicalize host ID |
| } |
| |
| CharString localeNameBuf; |
| { |
| CharStringByteSink sink(&localeNameBuf); |
| if (canonicalize) { |
| ulocimp_canonicalize(id, sink, &status); |
| } else { |
| ulocimp_getName(id, sink, &status); |
| } |
| } |
| |
| if (U_FAILURE(status)) { |
| return gDefaultLocale; |
| } |
| |
| if (gDefaultLocalesHashT == NULL) { |
| gDefaultLocalesHashT = uhash_open(uhash_hashChars, uhash_compareChars, NULL, &status); |
| if (U_FAILURE(status)) { |
| return gDefaultLocale; |
| } |
| uhash_setValueDeleter(gDefaultLocalesHashT, deleteLocale); |
| ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup); |
| } |
| |
| Locale *newDefault = (Locale *)uhash_get(gDefaultLocalesHashT, localeNameBuf.data()); |
| if (newDefault == NULL) { |
| newDefault = new Locale(Locale::eBOGUS); |
| if (newDefault == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return gDefaultLocale; |
| } |
| newDefault->init(localeNameBuf.data(), FALSE); |
| uhash_put(gDefaultLocalesHashT, (char*) newDefault->getName(), newDefault, &status); |
| if (U_FAILURE(status)) { |
| return gDefaultLocale; |
| } |
| } |
| gDefaultLocale = newDefault; |
| return gDefaultLocale; |
| } |
| |
| U_NAMESPACE_END |
| |
| /* sfb 07/21/99 */ |
| U_CFUNC void |
| locale_set_default(const char *id) |
| { |
| U_NAMESPACE_USE |
| UErrorCode status = U_ZERO_ERROR; |
| locale_set_default_internal(id, status); |
| } |
| /* end */ |
| |
| U_CFUNC const char * |
| locale_get_default(void) |
| { |
| U_NAMESPACE_USE |
| return Locale::getDefault().getName(); |
| } |
| |
| |
| U_NAMESPACE_BEGIN |
| |
| UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Locale) |
| |
| /*Character separating the posix id fields*/ |
| // '_' |
| // In the platform codepage. |
| #define SEP_CHAR '_' |
| |
| Locale::~Locale() |
| { |
| if (baseName != fullName) { |
| uprv_free(baseName); |
| } |
| baseName = NULL; |
| /*if fullName is on the heap, we free it*/ |
| if (fullName != fullNameBuffer) |
| { |
| uprv_free(fullName); |
| fullName = NULL; |
| } |
| } |
| |
| Locale::Locale() |
| : UObject(), fullName(fullNameBuffer), baseName(NULL) |
| { |
| init(NULL, FALSE); |
| } |
| |
| /* |
| * Internal constructor to allow construction of a locale object with |
| * NO side effects. (Default constructor tries to get |
| * the default locale.) |
| */ |
| Locale::Locale(Locale::ELocaleType) |
| : UObject(), fullName(fullNameBuffer), baseName(NULL) |
| { |
| setToBogus(); |
| } |
| |
| |
| Locale::Locale( const char * newLanguage, |
| const char * newCountry, |
| const char * newVariant, |
| const char * newKeywords) |
| : UObject(), fullName(fullNameBuffer), baseName(NULL) |
| { |
| if( (newLanguage==NULL) && (newCountry == NULL) && (newVariant == NULL) ) |
| { |
| init(NULL, FALSE); /* shortcut */ |
| } |
| else |
| { |
| UErrorCode status = U_ZERO_ERROR; |
| int32_t size = 0; |
| int32_t lsize = 0; |
| int32_t csize = 0; |
| int32_t vsize = 0; |
| int32_t ksize = 0; |
| |
| // Calculate the size of the resulting string. |
| |
| // Language |
| if ( newLanguage != NULL ) |
| { |
| lsize = (int32_t)uprv_strlen(newLanguage); |
| if ( lsize < 0 || lsize > ULOC_STRING_LIMIT ) { // int32 wrap |
| setToBogus(); |
| return; |
| } |
| size = lsize; |
| } |
| |
| CharString togo(newLanguage, lsize, status); // start with newLanguage |
| |
| // _Country |
| if ( newCountry != NULL ) |
| { |
| csize = (int32_t)uprv_strlen(newCountry); |
| if ( csize < 0 || csize > ULOC_STRING_LIMIT ) { // int32 wrap |
| setToBogus(); |
| return; |
| } |
| size += csize; |
| } |
| |
| // _Variant |
| if ( newVariant != NULL ) |
| { |
| // remove leading _'s |
| while(newVariant[0] == SEP_CHAR) |
| { |
| newVariant++; |
| } |
| |
| // remove trailing _'s |
| vsize = (int32_t)uprv_strlen(newVariant); |
| if ( vsize < 0 || vsize > ULOC_STRING_LIMIT ) { // int32 wrap |
| setToBogus(); |
| return; |
| } |
| while( (vsize>1) && (newVariant[vsize-1] == SEP_CHAR) ) |
| { |
| vsize--; |
| } |
| } |
| |
| if( vsize > 0 ) |
| { |
| size += vsize; |
| } |
| |
| // Separator rules: |
| if ( vsize > 0 ) |
| { |
| size += 2; // at least: __v |
| } |
| else if ( csize > 0 ) |
| { |
| size += 1; // at least: _v |
| } |
| |
| if ( newKeywords != NULL) |
| { |
| ksize = (int32_t)uprv_strlen(newKeywords); |
| if ( ksize < 0 || ksize > ULOC_STRING_LIMIT ) { |
| setToBogus(); |
| return; |
| } |
| size += ksize + 1; |
| } |
| |
| // NOW we have the full locale string.. |
| // Now, copy it back. |
| |
| // newLanguage is already copied |
| |
| if ( ( vsize != 0 ) || (csize != 0) ) // at least: __v |
| { // ^ |
| togo.append(SEP_CHAR, status); |
| } |
| |
| if ( csize != 0 ) |
| { |
| togo.append(newCountry, status); |
| } |
| |
| if ( vsize != 0) |
| { |
| togo.append(SEP_CHAR, status) |
| .append(newVariant, vsize, status); |
| } |
| |
| if ( ksize != 0) |
| { |
| if (uprv_strchr(newKeywords, '=')) { |
| togo.append('@', status); /* keyword parsing */ |
| } |
| else { |
| togo.append('_', status); /* Variant parsing with a script */ |
| if ( vsize == 0) { |
| togo.append('_', status); /* No country found */ |
| } |
| } |
| togo.append(newKeywords, status); |
| } |
| |
| if (U_FAILURE(status)) { |
| // Something went wrong with appending, etc. |
| setToBogus(); |
| return; |
| } |
| // Parse it, because for example 'language' might really be a complete |
| // string. |
| init(togo.data(), FALSE); |
| } |
| } |
| |
| Locale::Locale(const Locale &other) |
| : UObject(other), fullName(fullNameBuffer), baseName(NULL) |
| { |
| *this = other; |
| } |
| |
| Locale::Locale(Locale&& other) U_NOEXCEPT |
| : UObject(other), fullName(fullNameBuffer), baseName(fullName) { |
| *this = std::move(other); |
| } |
| |
| Locale& Locale::operator=(const Locale& other) { |
| if (this == &other) { |
| return *this; |
| } |
| |
| setToBogus(); |
| |
| if (other.fullName == other.fullNameBuffer) { |
| uprv_strcpy(fullNameBuffer, other.fullNameBuffer); |
| } else if (other.fullName == nullptr) { |
| fullName = nullptr; |
| } else { |
| fullName = uprv_strdup(other.fullName); |
| if (fullName == nullptr) return *this; |
| } |
| |
| if (other.baseName == other.fullName) { |
| baseName = fullName; |
| } else if (other.baseName != nullptr) { |
| baseName = uprv_strdup(other.baseName); |
| if (baseName == nullptr) return *this; |
| } |
| |
| uprv_strcpy(language, other.language); |
| uprv_strcpy(script, other.script); |
| uprv_strcpy(country, other.country); |
| |
| variantBegin = other.variantBegin; |
| fIsBogus = other.fIsBogus; |
| |
| return *this; |
| } |
| |
| Locale& Locale::operator=(Locale&& other) U_NOEXCEPT { |
| if (baseName != fullName) uprv_free(baseName); |
| if (fullName != fullNameBuffer) uprv_free(fullName); |
| |
| if (other.fullName == other.fullNameBuffer) { |
| uprv_strcpy(fullNameBuffer, other.fullNameBuffer); |
| fullName = fullNameBuffer; |
| } else { |
| fullName = other.fullName; |
| } |
| |
| if (other.baseName == other.fullName) { |
| baseName = fullName; |
| } else { |
| baseName = other.baseName; |
| } |
| |
| uprv_strcpy(language, other.language); |
| uprv_strcpy(script, other.script); |
| uprv_strcpy(country, other.country); |
| |
| variantBegin = other.variantBegin; |
| fIsBogus = other.fIsBogus; |
| |
| other.baseName = other.fullName = other.fullNameBuffer; |
| |
| return *this; |
| } |
| |
| Locale * |
| Locale::clone() const { |
| return new Locale(*this); |
| } |
| |
| UBool |
| Locale::operator==( const Locale& other) const |
| { |
| return (uprv_strcmp(other.fullName, fullName) == 0); |
| } |
| |
| #define ISASCIIALPHA(c) (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z')) |
| |
| namespace { |
| |
| CharString& AppendLSCVE(CharString& out, const char* language, const char* script, |
| const char* country, const char* variants, const char* extension, |
| UErrorCode& status) { |
| out.append(language, status); |
| if (script && script[0] != '\0') { |
| out.append('_', status); |
| out.append(script, status); |
| } |
| if (country && country[0] != '\0') { |
| out.append('_', status); |
| out.append(country, status); |
| } |
| if (variants && variants[0] != '\0') { |
| if ((script == nullptr || script[0] == '\0') && |
| (country == nullptr || country[0] == '\0')) { |
| out.append('_', status); |
| } |
| out.append('_', status); |
| out.append(variants, status); |
| } |
| if (extension && extension[0] != '\0') { |
| out.append(extension, status); |
| } |
| return out; |
| } |
| |
| } // namespace |
| |
| /*This function initializes a Locale from a C locale ID*/ |
| Locale& Locale::init(const char* localeID, UBool canonicalize) |
| { |
| fIsBogus = FALSE; |
| /* Free our current storage */ |
| if (baseName != fullName) { |
| uprv_free(baseName); |
| } |
| baseName = NULL; |
| if(fullName != fullNameBuffer) { |
| uprv_free(fullName); |
| fullName = fullNameBuffer; |
| } |
| |
| // not a loop: |
| // just an easy way to have a common error-exit |
| // without goto and without another function |
| do { |
| char *separator; |
| char *field[5] = {0}; |
| int32_t fieldLen[5] = {0}; |
| int32_t fieldIdx; |
| int32_t variantField; |
| int32_t length; |
| UErrorCode err; |
| |
| if(localeID == NULL) { |
| // not an error, just set the default locale |
| return *this = getDefault(); |
| } |
| |
| /* preset all fields to empty */ |
| language[0] = script[0] = country[0] = 0; |
| |
| // "canonicalize" the locale ID to ICU/Java format |
| err = U_ZERO_ERROR; |
| length = canonicalize ? |
| uloc_canonicalize(localeID, fullName, sizeof(fullNameBuffer), &err) : |
| uloc_getName(localeID, fullName, sizeof(fullNameBuffer), &err); |
| |
| if(err == U_BUFFER_OVERFLOW_ERROR || length >= (int32_t)sizeof(fullNameBuffer)) { |
| /*Go to heap for the fullName if necessary*/ |
| fullName = (char *)uprv_malloc(sizeof(char)*(length + 1)); |
| if(fullName == 0) { |
| fullName = fullNameBuffer; |
| break; // error: out of memory |
| } |
| err = U_ZERO_ERROR; |
| length = canonicalize ? |
| uloc_canonicalize(localeID, fullName, length+1, &err) : |
| uloc_getName(localeID, fullName, length+1, &err); |
| } |
| if(U_FAILURE(err) || err == U_STRING_NOT_TERMINATED_WARNING) { |
| /* should never occur */ |
| break; |
| } |
| |
| variantBegin = length; |
| |
| /* after uloc_getName/canonicalize() we know that only '_' are separators */ |
| /* But _ could also appeared in timezone such as "en@timezone=America/Los_Angeles" */ |
| separator = field[0] = fullName; |
| fieldIdx = 1; |
| char* at = uprv_strchr(fullName, '@'); |
| while ((separator = uprv_strchr(field[fieldIdx-1], SEP_CHAR)) != 0 && |
| fieldIdx < UPRV_LENGTHOF(field)-1 && |
| (at == nullptr || separator < at)) { |
| field[fieldIdx] = separator + 1; |
| fieldLen[fieldIdx-1] = (int32_t)(separator - field[fieldIdx-1]); |
| fieldIdx++; |
| } |
| // variant may contain @foo or .foo POSIX cruft; remove it |
| separator = uprv_strchr(field[fieldIdx-1], '@'); |
| char* sep2 = uprv_strchr(field[fieldIdx-1], '.'); |
| if (separator!=NULL || sep2!=NULL) { |
| if (separator==NULL || (sep2!=NULL && separator > sep2)) { |
| separator = sep2; |
| } |
| fieldLen[fieldIdx-1] = (int32_t)(separator - field[fieldIdx-1]); |
| } else { |
| fieldLen[fieldIdx-1] = length - (int32_t)(field[fieldIdx-1] - fullName); |
| } |
| |
| if (fieldLen[0] >= (int32_t)(sizeof(language))) |
| { |
| break; // error: the language field is too long |
| } |
| |
| variantField = 1; /* Usually the 2nd one, except when a script or country is also used. */ |
| if (fieldLen[0] > 0) { |
| /* We have a language */ |
| uprv_memcpy(language, fullName, fieldLen[0]); |
| language[fieldLen[0]] = 0; |
| } |
| if (fieldLen[1] == 4 && ISASCIIALPHA(field[1][0]) && |
| ISASCIIALPHA(field[1][1]) && ISASCIIALPHA(field[1][2]) && |
| ISASCIIALPHA(field[1][3])) { |
| /* We have at least a script */ |
| uprv_memcpy(script, field[1], fieldLen[1]); |
| script[fieldLen[1]] = 0; |
| variantField++; |
| } |
| |
| if (fieldLen[variantField] == 2 || fieldLen[variantField] == 3) { |
| /* We have a country */ |
| uprv_memcpy(country, field[variantField], fieldLen[variantField]); |
| country[fieldLen[variantField]] = 0; |
| variantField++; |
| } else if (fieldLen[variantField] == 0) { |
| variantField++; /* script or country empty but variant in next field (i.e. en__POSIX) */ |
| } |
| |
| if (fieldLen[variantField] > 0) { |
| /* We have a variant */ |
| variantBegin = (int32_t)(field[variantField] - fullName); |
| } |
| |
| err = U_ZERO_ERROR; |
| initBaseName(err); |
| if (U_FAILURE(err)) { |
| break; |
| } |
| |
| if (canonicalize) { |
| UErrorCode status = U_ZERO_ERROR; |
| // TODO: Try to use ResourceDataValue and ures_getValueWithFallback() etc. |
| LocalUResourceBundlePointer metadata(ures_openDirect(NULL, "metadata", &status)); |
| LocalUResourceBundlePointer metadataAlias(ures_getByKey(metadata.getAlias(), "alias", NULL, &status)); |
| // Look up the metadata:alias:language:$key:replacement entries |
| // key could be one of the following: |
| // language |
| // language_Script_REGION |
| // language_REGION |
| // language_variant |
| do { |
| // The resource structure looks like |
| // metadata { |
| // alias { |
| // language { |
| // art_lojban { |
| // replacement{"jbo"} |
| // } |
| // ... |
| // ks_Arab_IN { |
| // replacement{"ks_IN"} |
| // } |
| // ... |
| // no { |
| // replacement{"nb"} |
| // } |
| // .... |
| // zh_CN { |
| // replacement{"zh_Hans_CN"} |
| // } |
| // } |
| // ... |
| // } |
| // } |
| LocalUResourceBundlePointer languageAlias(ures_getByKey(metadataAlias.getAlias(), "language", NULL, &status)); |
| if (U_FAILURE(status)) |
| break; |
| CharString temp; |
| // Handle cases of key pattern "language _ variant" |
| // ex: Map "art_lojban" to "jbo" |
| const char* variants = getVariant(); |
| if (variants != nullptr && variants[0] != '\0') { |
| const char* begin = variants; |
| const char* end = begin; |
| // We may have multiple variants, need to look at each of |
| // them. |
| for (;;) { |
| status = U_ZERO_ERROR; |
| end = uprv_strchr(begin, '_'); |
| int32_t len = (end == nullptr) ? int32_t(uprv_strlen(begin)) : int32_t(end - begin); |
| temp.clear().append(getLanguage(), status).append("_", status).append(begin, len, status); |
| LocalUResourceBundlePointer languageVariantAlias( |
| ures_getByKey(languageAlias.getAlias(), |
| temp.data(), |
| NULL, &status)); |
| temp.clear().appendInvariantChars( |
| UnicodeString(ures_getStringByKey(languageVariantAlias.getAlias(), "replacement", nullptr, &status)), status); |
| if (U_SUCCESS(status)) { |
| CharString newVar; |
| if (begin != variants) { |
| newVar.append(variants, static_cast<int32_t>(begin - variants - 1), status); |
| } |
| if (end != nullptr) { |
| if (begin != variants) { |
| newVar.append("_", status); |
| } |
| newVar.append(end + 1, status); |
| } |
| Locale l(temp.data()); |
| init(AppendLSCVE(temp.clear(), |
| l.getLanguage(), |
| (getScript() != nullptr && getScript()[0] != '\0') ? getScript() : l.getScript(), |
| (getCountry() != nullptr && getCountry()[0] != '\0') ? getCountry() : l.getCountry(), |
| newVar.data(), |
| uprv_strchr(fullName, '@'), status).data(), false); |
| break; |
| } |
| if (end == nullptr) break; |
| begin = end + 1; |
| } |
| } // End of handle language _ variant |
| // Handle cases of key pattern "language _ Script _ REGION" |
| // ex: Map "ks_Arab_IN" to "ks_IN" |
| if (getScript() != nullptr && getScript()[0] != '\0' && |
| getCountry() != nullptr && getCountry()[0] != '\0') { |
| status = U_ZERO_ERROR; |
| LocalUResourceBundlePointer replacedAlias( |
| ures_getByKey(languageAlias.getAlias(), |
| AppendLSCVE(temp.clear(), getLanguage(), getScript(), getCountry(), |
| nullptr, nullptr, status).data(), NULL, &status)); |
| temp.clear().appendInvariantChars( |
| UnicodeString(ures_getStringByKey(replacedAlias.getAlias(), "replacement", nullptr, &status)), status); |
| if (U_SUCCESS(status)) { |
| Locale l(temp.data()); |
| init(AppendLSCVE(temp.clear(), |
| l.getLanguage(), |
| l.getScript(), |
| l.getCountry(), |
| getVariant(), |
| uprv_strchr(fullName, '@'), status).data(), false); |
| } |
| } // End of handle language _ Script _ REGION |
| // Handle cases of key pattern "language _ REGION" |
| // ex: Map "zh_CN" to "zh_Hans_CN" |
| if (getCountry() != nullptr && getCountry()[0] != '\0') { |
| status = U_ZERO_ERROR; |
| LocalUResourceBundlePointer replacedAlias( |
| ures_getByKey(languageAlias.getAlias(), |
| AppendLSCVE(temp.clear(), getLanguage(), nullptr, getCountry(), |
| nullptr, nullptr, status).data(), NULL, &status)); |
| temp.clear().appendInvariantChars( |
| UnicodeString(ures_getStringByKey(replacedAlias.getAlias(), "replacement", nullptr, &status)), status); |
| if (U_SUCCESS(status)) { |
| Locale l(temp.data()); |
| init(AppendLSCVE(temp.clear(), |
| l.getLanguage(), |
| (getScript() != nullptr && getScript()[0] != '\0') ? getScript() : l.getScript(), |
| l.getCountry(), |
| getVariant(), |
| uprv_strchr(fullName, '@'), status).data(), false); |
| } |
| } // End of handle "language _ REGION" |
| // Handle cases of key pattern "language" |
| // ex: Map "no" to "nb" |
| { |
| status = U_ZERO_ERROR; |
| LocalUResourceBundlePointer replaceLanguageAlias(ures_getByKey(languageAlias.getAlias(), getLanguage(), NULL, &status)); |
| temp.clear().appendInvariantChars( |
| UnicodeString(ures_getStringByKey(replaceLanguageAlias.getAlias(), "replacement", nullptr, &status)), status); |
| if (U_SUCCESS(status)) { |
| Locale l(temp.data()); |
| init(AppendLSCVE(temp.clear(), |
| l.getLanguage(), |
| (getScript() != nullptr && getScript()[0] != '\0') ? getScript() : l.getScript(), |
| (getCountry() != nullptr && getCountry()[0] != '\0') ? getCountry() : l.getCountry(), |
| getVariant(), |
| uprv_strchr(fullName, '@'), status).data(), false); |
| } |
| } // End of handle "language" |
| |
| // Look up the metadata:alias:territory:$key:replacement entries |
| // key is region code. |
| if (getCountry() != nullptr) { |
| status = U_ZERO_ERROR; |
| // The resource structure looks like |
| // metadata { |
| // alias { |
| // ... |
| // territory: { |
| // 172 { |
| // replacement{"RU AM AZ BY GE KG KZ MD TJ TM UA UZ"} |
| // } |
| // ... |
| // 554 { |
| // replacement{"NZ"} |
| // } |
| // } |
| // } |
| // } |
| LocalUResourceBundlePointer territoryAlias(ures_getByKey(metadataAlias.getAlias(), "territory", NULL, &status)); |
| LocalUResourceBundlePointer countryAlias(ures_getByKey(territoryAlias.getAlias(), getCountry(), NULL, &status)); |
| UnicodeString replacements( |
| ures_getStringByKey(countryAlias.getAlias(), "replacement", nullptr, &status)); |
| if (U_SUCCESS(status)) { |
| CharString replacedCountry; |
| int32_t delPos = replacements.indexOf(' '); |
| if (delPos == -1) { |
| replacedCountry.appendInvariantChars(replacements, status); |
| } else { |
| Locale l(AppendLSCVE(temp.clear(), getLanguage(), nullptr, getScript(), |
| nullptr, nullptr, status).data()); |
| l.addLikelySubtags(status); |
| if (replacements.indexOf(UnicodeString(l.getCountry())) != -1) { |
| replacedCountry.append(l.getCountry(), status); |
| } else { |
| replacedCountry.appendInvariantChars(replacements.getBuffer(), delPos, status); |
| } |
| } |
| init(AppendLSCVE(temp.clear(), |
| getLanguage(), |
| getScript(), |
| replacedCountry.data(), |
| getVariant(), |
| uprv_strchr(fullName, '@'), status).data(), false); |
| } |
| } // End of handle REGION |
| } while (0); |
| } // if (canonicalize) { |
| |
| // successful end of init() |
| return *this; |
| } while(0); /*loop doesn't iterate*/ |
| |
| // when an error occurs, then set this object to "bogus" (there is no UErrorCode here) |
| setToBogus(); |
| |
| return *this; |
| } |
| |
| /* |
| * Set up the base name. |
| * If there are no key words, it's exactly the full name. |
| * If key words exist, it's the full name truncated at the '@' character. |
| * Need to set up both at init() and after setting a keyword. |
| */ |
| void |
| Locale::initBaseName(UErrorCode &status) { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| U_ASSERT(baseName==NULL || baseName==fullName); |
| const char *atPtr = uprv_strchr(fullName, '@'); |
| const char *eqPtr = uprv_strchr(fullName, '='); |
| if (atPtr && eqPtr && atPtr < eqPtr) { |
| // Key words exist. |
| int32_t baseNameLength = (int32_t)(atPtr - fullName); |
| baseName = (char *)uprv_malloc(baseNameLength + 1); |
| if (baseName == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| uprv_strncpy(baseName, fullName, baseNameLength); |
| baseName[baseNameLength] = 0; |
| |
| // The original computation of variantBegin leaves it equal to the length |
| // of fullName if there is no variant. It should instead be |
| // the length of the baseName. |
| if (variantBegin > baseNameLength) { |
| variantBegin = baseNameLength; |
| } |
| } else { |
| baseName = fullName; |
| } |
| } |
| |
| |
| int32_t |
| Locale::hashCode() const |
| { |
| return ustr_hashCharsN(fullName, static_cast<int32_t>(uprv_strlen(fullName))); |
| } |
| |
| void |
| Locale::setToBogus() { |
| /* Free our current storage */ |
| if(baseName != fullName) { |
| uprv_free(baseName); |
| } |
| baseName = NULL; |
| if(fullName != fullNameBuffer) { |
| uprv_free(fullName); |
| fullName = fullNameBuffer; |
| } |
| *fullNameBuffer = 0; |
| *language = 0; |
| *script = 0; |
| *country = 0; |
| fIsBogus = TRUE; |
| variantBegin = 0; |
| } |
| |
| const Locale& U_EXPORT2 |
| Locale::getDefault() |
| { |
| { |
| Mutex lock(&gDefaultLocaleMutex); |
| if (gDefaultLocale != NULL) { |
| return *gDefaultLocale; |
| } |
| } |
| UErrorCode status = U_ZERO_ERROR; |
| return *locale_set_default_internal(NULL, status); |
| } |
| |
| |
| |
| void U_EXPORT2 |
| Locale::setDefault( const Locale& newLocale, |
| UErrorCode& status) |
| { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| /* Set the default from the full name string of the supplied locale. |
| * This is a convenient way to access the default locale caching mechanisms. |
| */ |
| const char *localeID = newLocale.getName(); |
| locale_set_default_internal(localeID, status); |
| } |
| |
| void |
| Locale::addLikelySubtags(UErrorCode& status) { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| CharString maximizedLocaleID; |
| { |
| CharStringByteSink sink(&maximizedLocaleID); |
| ulocimp_addLikelySubtags(fullName, sink, &status); |
| } |
| |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| init(maximizedLocaleID.data(), /*canonicalize=*/FALSE); |
| if (isBogus()) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| } |
| |
| void |
| Locale::minimizeSubtags(UErrorCode& status) { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| CharString minimizedLocaleID; |
| { |
| CharStringByteSink sink(&minimizedLocaleID); |
| ulocimp_minimizeSubtags(fullName, sink, &status); |
| } |
| |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| init(minimizedLocaleID.data(), /*canonicalize=*/FALSE); |
| if (isBogus()) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| } |
| |
| void |
| Locale::canonicalize(UErrorCode& status) { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| if (isBogus()) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| CharString uncanonicalized(fullName, status); |
| if (U_FAILURE(status)) { |
| return; |
| } |
| init(uncanonicalized.data(), /*canonicalize=*/TRUE); |
| if (isBogus()) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| } |
| |
| Locale U_EXPORT2 |
| Locale::forLanguageTag(StringPiece tag, UErrorCode& status) |
| { |
| Locale result(Locale::eBOGUS); |
| |
| if (U_FAILURE(status)) { |
| return result; |
| } |
| |
| // If a BCP-47 language tag is passed as the language parameter to the |
| // normal Locale constructor, it will actually fall back to invoking |
| // uloc_forLanguageTag() to parse it if it somehow is able to detect that |
| // the string actually is BCP-47. This works well for things like strings |
| // using BCP-47 extensions, but it does not at all work for things like |
| // BCP-47 grandfathered tags (eg. "en-GB-oed") which are possible to also |
| // interpret as ICU locale IDs and because of that won't trigger the BCP-47 |
| // parsing. Therefore the code here explicitly calls uloc_forLanguageTag() |
| // and then Locale::init(), instead of just calling the normal constructor. |
| |
| CharString localeID; |
| int32_t parsedLength; |
| { |
| CharStringByteSink sink(&localeID); |
| ulocimp_forLanguageTag( |
| tag.data(), |
| tag.length(), |
| sink, |
| &parsedLength, |
| &status); |
| } |
| |
| if (U_FAILURE(status)) { |
| return result; |
| } |
| |
| if (parsedLength != tag.size()) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return result; |
| } |
| |
| result.init(localeID.data(), /*canonicalize=*/FALSE); |
| if (result.isBogus()) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| return result; |
| } |
| |
| void |
| Locale::toLanguageTag(ByteSink& sink, UErrorCode& status) const |
| { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| if (fIsBogus) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| |
| ulocimp_toLanguageTag(fullName, sink, /*strict=*/FALSE, &status); |
| } |
| |
| Locale U_EXPORT2 |
| Locale::createFromName (const char *name) |
| { |
| if (name) { |
| Locale l(""); |
| l.init(name, FALSE); |
| return l; |
| } |
| else { |
| return getDefault(); |
| } |
| } |
| |
| Locale U_EXPORT2 |
| Locale::createCanonical(const char* name) { |
| Locale loc(""); |
| loc.init(name, TRUE); |
| return loc; |
| } |
| |
| const char * |
| Locale::getISO3Language() const |
| { |
| return uloc_getISO3Language(fullName); |
| } |
| |
| |
| const char * |
| Locale::getISO3Country() const |
| { |
| return uloc_getISO3Country(fullName); |
| } |
| |
| /** |
| * Return the LCID value as specified in the "LocaleID" resource for this |
| * locale. The LocaleID must be expressed as a hexadecimal number, from |
| * one to four digits. If the LocaleID resource is not present, or is |
| * in an incorrect format, 0 is returned. The LocaleID is for use in |
| * Windows (it is an LCID), but is available on all platforms. |
| */ |
| uint32_t |
| Locale::getLCID() const |
| { |
| return uloc_getLCID(fullName); |
| } |
| |
| const char* const* U_EXPORT2 Locale::getISOCountries() |
| { |
| return uloc_getISOCountries(); |
| } |
| |
| const char* const* U_EXPORT2 Locale::getISOLanguages() |
| { |
| return uloc_getISOLanguages(); |
| } |
| |
| // Set the locale's data based on a posix id. |
| void Locale::setFromPOSIXID(const char *posixID) |
| { |
| init(posixID, TRUE); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getRoot(void) |
| { |
| return getLocale(eROOT); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getEnglish(void) |
| { |
| return getLocale(eENGLISH); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getFrench(void) |
| { |
| return getLocale(eFRENCH); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getGerman(void) |
| { |
| return getLocale(eGERMAN); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getItalian(void) |
| { |
| return getLocale(eITALIAN); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getJapanese(void) |
| { |
| return getLocale(eJAPANESE); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getKorean(void) |
| { |
| return getLocale(eKOREAN); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getChinese(void) |
| { |
| return getLocale(eCHINESE); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getSimplifiedChinese(void) |
| { |
| return getLocale(eCHINA); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getTraditionalChinese(void) |
| { |
| return getLocale(eTAIWAN); |
| } |
| |
| |
| const Locale & U_EXPORT2 |
| Locale::getFrance(void) |
| { |
| return getLocale(eFRANCE); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getGermany(void) |
| { |
| return getLocale(eGERMANY); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getItaly(void) |
| { |
| return getLocale(eITALY); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getJapan(void) |
| { |
| return getLocale(eJAPAN); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getKorea(void) |
| { |
| return getLocale(eKOREA); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getChina(void) |
| { |
| return getLocale(eCHINA); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getPRC(void) |
| { |
| return getLocale(eCHINA); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getTaiwan(void) |
| { |
| return getLocale(eTAIWAN); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getUK(void) |
| { |
| return getLocale(eUK); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getUS(void) |
| { |
| return getLocale(eUS); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getCanada(void) |
| { |
| return getLocale(eCANADA); |
| } |
| |
| const Locale & U_EXPORT2 |
| Locale::getCanadaFrench(void) |
| { |
| return getLocale(eCANADA_FRENCH); |
| } |
| |
| const Locale & |
| Locale::getLocale(int locid) |
| { |
| Locale *localeCache = getLocaleCache(); |
| U_ASSERT((locid < eMAX_LOCALES)&&(locid>=0)); |
| if (localeCache == NULL) { |
| // Failure allocating the locale cache. |
| // The best we can do is return a NULL reference. |
| locid = 0; |
| } |
| return localeCache[locid]; /*operating on NULL*/ |
| } |
| |
| /* |
| This function is defined this way in order to get around static |
| initialization and static destruction. |
| */ |
| Locale * |
| Locale::getLocaleCache(void) |
| { |
| UErrorCode status = U_ZERO_ERROR; |
| umtx_initOnce(gLocaleCacheInitOnce, locale_init, status); |
| return gLocaleCache; |
| } |
| |
| class KeywordEnumeration : public StringEnumeration { |
| private: |
| char *keywords; |
| char *current; |
| int32_t length; |
| UnicodeString currUSKey; |
| static const char fgClassID;/* Warning this is used beyond the typical RTTI usage. */ |
| |
| public: |
| static UClassID U_EXPORT2 getStaticClassID(void) { return (UClassID)&fgClassID; } |
| virtual UClassID getDynamicClassID(void) const { return getStaticClassID(); } |
| public: |
| KeywordEnumeration(const char *keys, int32_t keywordLen, int32_t currentIndex, UErrorCode &status) |
| : keywords((char *)&fgClassID), current((char *)&fgClassID), length(0) { |
| if(U_SUCCESS(status) && keywordLen != 0) { |
| if(keys == NULL || keywordLen < 0) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| } else { |
| keywords = (char *)uprv_malloc(keywordLen+1); |
| if (keywords == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| else { |
| uprv_memcpy(keywords, keys, keywordLen); |
| keywords[keywordLen] = 0; |
| current = keywords + currentIndex; |
| length = keywordLen; |
| } |
| } |
| } |
| } |
| |
| virtual ~KeywordEnumeration(); |
| |
| virtual StringEnumeration * clone() const |
| { |
| UErrorCode status = U_ZERO_ERROR; |
| return new KeywordEnumeration(keywords, length, (int32_t)(current - keywords), status); |
| } |
| |
| virtual int32_t count(UErrorCode &/*status*/) const { |
| char *kw = keywords; |
| int32_t result = 0; |
| while(*kw) { |
| result++; |
| kw += uprv_strlen(kw)+1; |
| } |
| return result; |
| } |
| |
| virtual const char* next(int32_t* resultLength, UErrorCode& status) { |
| const char* result; |
| int32_t len; |
| if(U_SUCCESS(status) && *current != 0) { |
| result = current; |
| len = (int32_t)uprv_strlen(current); |
| current += len+1; |
| if(resultLength != NULL) { |
| *resultLength = len; |
| } |
| } else { |
| if(resultLength != NULL) { |
| *resultLength = 0; |
| } |
| result = NULL; |
| } |
| return result; |
| } |
| |
| virtual const UnicodeString* snext(UErrorCode& status) { |
| int32_t resultLength = 0; |
| const char *s = next(&resultLength, status); |
| return setChars(s, resultLength, status); |
| } |
| |
| virtual void reset(UErrorCode& /*status*/) { |
| current = keywords; |
| } |
| }; |
| |
| const char KeywordEnumeration::fgClassID = '\0'; |
| |
| KeywordEnumeration::~KeywordEnumeration() { |
| uprv_free(keywords); |
| } |
| |
| // A wrapper around KeywordEnumeration that calls uloc_toUnicodeLocaleKey() in |
| // the next() method for each keyword before returning it. |
| class UnicodeKeywordEnumeration : public KeywordEnumeration { |
| public: |
| using KeywordEnumeration::KeywordEnumeration; |
| virtual ~UnicodeKeywordEnumeration(); |
| |
| virtual const char* next(int32_t* resultLength, UErrorCode& status) { |
| const char* legacy_key = KeywordEnumeration::next(nullptr, status); |
| if (U_SUCCESS(status) && legacy_key != nullptr) { |
| const char* key = uloc_toUnicodeLocaleKey(legacy_key); |
| if (key == nullptr) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| } else { |
| if (resultLength != nullptr) { |
| *resultLength = static_cast<int32_t>(uprv_strlen(key)); |
| } |
| return key; |
| } |
| } |
| if (resultLength != nullptr) *resultLength = 0; |
| return nullptr; |
| } |
| }; |
| |
| // Out-of-line virtual destructor to serve as the "key function". |
| UnicodeKeywordEnumeration::~UnicodeKeywordEnumeration() = default; |
| |
| StringEnumeration * |
| Locale::createKeywords(UErrorCode &status) const |
| { |
| char keywords[256]; |
| int32_t keywordCapacity = sizeof keywords; |
| StringEnumeration *result = NULL; |
| |
| if (U_FAILURE(status)) { |
| return result; |
| } |
| |
| const char* variantStart = uprv_strchr(fullName, '@'); |
| const char* assignment = uprv_strchr(fullName, '='); |
| if(variantStart) { |
| if(assignment > variantStart) { |
| int32_t keyLen = locale_getKeywords(variantStart+1, '@', keywords, keywordCapacity, FALSE, &status); |
| if(U_SUCCESS(status) && keyLen) { |
| result = new KeywordEnumeration(keywords, keyLen, 0, status); |
| if (!result) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| } |
| } else { |
| status = U_INVALID_FORMAT_ERROR; |
| } |
| } |
| return result; |
| } |
| |
| StringEnumeration * |
| Locale::createUnicodeKeywords(UErrorCode &status) const |
| { |
| char keywords[256]; |
| int32_t keywordCapacity = sizeof keywords; |
| StringEnumeration *result = NULL; |
| |
| if (U_FAILURE(status)) { |
| return result; |
| } |
| |
| const char* variantStart = uprv_strchr(fullName, '@'); |
| const char* assignment = uprv_strchr(fullName, '='); |
| if(variantStart) { |
| if(assignment > variantStart) { |
| int32_t keyLen = locale_getKeywords(variantStart+1, '@', keywords, keywordCapacity, FALSE, &status); |
| if(U_SUCCESS(status) && keyLen) { |
| result = new UnicodeKeywordEnumeration(keywords, keyLen, 0, status); |
| if (!result) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| } |
| } else { |
| status = U_INVALID_FORMAT_ERROR; |
| } |
| } |
| return result; |
| } |
| |
| int32_t |
| Locale::getKeywordValue(const char* keywordName, char *buffer, int32_t bufLen, UErrorCode &status) const |
| { |
| return uloc_getKeywordValue(fullName, keywordName, buffer, bufLen, &status); |
| } |
| |
| void |
| Locale::getKeywordValue(StringPiece keywordName, ByteSink& sink, UErrorCode& status) const { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| if (fIsBogus) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| |
| // TODO: Remove the need for a const char* to a NUL terminated buffer. |
| const CharString keywordName_nul(keywordName, status); |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| LocalMemory<char> scratch; |
| int32_t scratch_capacity = 16; // Arbitrarily chosen default size. |
| |
| char* buffer; |
| int32_t result_capacity, reslen; |
| |
| for (;;) { |
| if (scratch.allocateInsteadAndReset(scratch_capacity) == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| |
| buffer = sink.GetAppendBuffer( |
| /*min_capacity=*/scratch_capacity, |
| /*desired_capacity_hint=*/scratch_capacity, |
| scratch.getAlias(), |
| scratch_capacity, |
| &result_capacity); |
| |
| reslen = uloc_getKeywordValue( |
| fullName, |
| keywordName_nul.data(), |
| buffer, |
| result_capacity, |
| &status); |
| |
| if (status != U_BUFFER_OVERFLOW_ERROR) { |
| break; |
| } |
| |
| scratch_capacity = reslen; |
| status = U_ZERO_ERROR; |
| } |
| |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| sink.Append(buffer, reslen); |
| if (status == U_STRING_NOT_TERMINATED_WARNING) { |
| status = U_ZERO_ERROR; // Terminators not used. |
| } |
| } |
| |
| void |
| Locale::getUnicodeKeywordValue(StringPiece keywordName, |
| ByteSink& sink, |
| UErrorCode& status) const { |
| // TODO: Remove the need for a const char* to a NUL terminated buffer. |
| const CharString keywordName_nul(keywordName, status); |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| const char* legacy_key = uloc_toLegacyKey(keywordName_nul.data()); |
| |
| if (legacy_key == nullptr) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| |
| CharString legacy_value; |
| { |
| CharStringByteSink sink(&legacy_value); |
| getKeywordValue(legacy_key, sink, status); |
| } |
| |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| const char* unicode_value = uloc_toUnicodeLocaleType( |
| keywordName_nul.data(), legacy_value.data()); |
| |
| if (unicode_value == nullptr) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| |
| sink.Append(unicode_value, static_cast<int32_t>(uprv_strlen(unicode_value))); |
| } |
| |
| void |
| Locale::setKeywordValue(const char* keywordName, const char* keywordValue, UErrorCode &status) |
| { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| int32_t bufferLength = uprv_max((int32_t)(uprv_strlen(fullName) + 1), ULOC_FULLNAME_CAPACITY); |
| int32_t newLength = uloc_setKeywordValue(keywordName, keywordValue, fullName, |
| bufferLength, &status) + 1; |
| /* Handle the case the current buffer is not enough to hold the new id */ |
| if (status == U_BUFFER_OVERFLOW_ERROR) { |
| U_ASSERT(newLength > bufferLength); |
| char* newFullName = (char *)uprv_malloc(newLength); |
| if (newFullName == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| uprv_strcpy(newFullName, fullName); |
| if (fullName != fullNameBuffer) { |
| // if full Name is already on the heap, need to free it. |
| uprv_free(fullName); |
| } |
| fullName = newFullName; |
| status = U_ZERO_ERROR; |
| uloc_setKeywordValue(keywordName, keywordValue, fullName, newLength, &status); |
| } else { |
| U_ASSERT(newLength <= bufferLength); |
| } |
| if (U_SUCCESS(status) && baseName == fullName) { |
| // May have added the first keyword, meaning that the fullName is no longer also the baseName. |
| initBaseName(status); |
| } |
| } |
| |
| void |
| Locale::setKeywordValue(StringPiece keywordName, |
| StringPiece keywordValue, |
| UErrorCode& status) { |
| // TODO: Remove the need for a const char* to a NUL terminated buffer. |
| const CharString keywordName_nul(keywordName, status); |
| const CharString keywordValue_nul(keywordValue, status); |
| setKeywordValue(keywordName_nul.data(), keywordValue_nul.data(), status); |
| } |
| |
| void |
| Locale::setUnicodeKeywordValue(StringPiece keywordName, |
| StringPiece keywordValue, |
| UErrorCode& status) { |
| // TODO: Remove the need for a const char* to a NUL terminated buffer. |
| const CharString keywordName_nul(keywordName, status); |
| const CharString keywordValue_nul(keywordValue, status); |
| |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| const char* legacy_key = uloc_toLegacyKey(keywordName_nul.data()); |
| |
| if (legacy_key == nullptr) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| |
| const char* legacy_value = nullptr; |
| |
| if (!keywordValue_nul.isEmpty()) { |
| legacy_value = |
| uloc_toLegacyType(keywordName_nul.data(), keywordValue_nul.data()); |
| |
| if (legacy_value == nullptr) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| } |
| |
| setKeywordValue(legacy_key, legacy_value, status); |
| } |
| |
| const char * |
| Locale::getBaseName() const { |
| return baseName; |
| } |
| |
| Locale::Iterator::~Iterator() = default; |
| |
| //eof |
| U_NAMESPACE_END |
