| // © 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 |
| ****************************************************************************** |
| */ |
| |
| #if defined(STARBOARD) |
| #include "starboard/client_porting/poem/assert_poem.h" |
| #include "starboard/client_porting/poem/string_poem.h" |
| #endif // defined(STARBOARD) |
| |
| #include <utility> |
| |
| #include "unicode/bytestream.h" |
| #include "unicode/locid.h" |
| #include "unicode/localebuilder.h" |
| #include "unicode/strenum.h" |
| #include "unicode/stringpiece.h" |
| #include "unicode/uloc.h" |
| #include "unicode/ures.h" |
| |
| #include "bytesinkutil.h" |
| #include "charstr.h" |
| #include "charstrmap.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 "uniquecharstr.h" |
| #include "ustr_imp.h" |
| #include "uvector.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_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 '_' |
| #define NULL_CHAR '\0' |
| |
| 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); |
| } |
| |
| namespace { |
| |
| UInitOnce gKnownCanonicalizedInitOnce = U_INITONCE_INITIALIZER; |
| UHashtable *gKnownCanonicalized = nullptr; |
| |
| static const char* const KNOWN_CANONICALIZED[] = { |
| "c", |
| // Commonly used locales known are already canonicalized |
| "af", "af_ZA", "am", "am_ET", "ar", "ar_001", "as", "as_IN", "az", "az_AZ", |
| "be", "be_BY", "bg", "bg_BG", "bn", "bn_IN", "bs", "bs_BA", "ca", "ca_ES", |
| "cs", "cs_CZ", "cy", "cy_GB", "da", "da_DK", "de", "de_DE", "el", "el_GR", |
| "en", "en_GB", "en_US", "es", "es_419", "es_ES", "et", "et_EE", "eu", |
| "eu_ES", "fa", "fa_IR", "fi", "fi_FI", "fil", "fil_PH", "fr", "fr_FR", |
| "ga", "ga_IE", "gl", "gl_ES", "gu", "gu_IN", "he", "he_IL", "hi", "hi_IN", |
| "hr", "hr_HR", "hu", "hu_HU", "hy", "hy_AM", "id", "id_ID", "is", "is_IS", |
| "it", "it_IT", "ja", "ja_JP", "jv", "jv_ID", "ka", "ka_GE", "kk", "kk_KZ", |
| "km", "km_KH", "kn", "kn_IN", "ko", "ko_KR", "ky", "ky_KG", "lo", "lo_LA", |
| "lt", "lt_LT", "lv", "lv_LV", "mk", "mk_MK", "ml", "ml_IN", "mn", "mn_MN", |
| "mr", "mr_IN", "ms", "ms_MY", "my", "my_MM", "nb", "nb_NO", "ne", "ne_NP", |
| "nl", "nl_NL", "or", "or_IN", "pa", "pa_IN", "pl", "pl_PL", "ps", "ps_AF", |
| "pt", "pt_BR", "pt_PT", "ro", "ro_RO", "ru", "ru_RU", "sd", "sd_IN", "si", |
| "si_LK", "sk", "sk_SK", "sl", "sl_SI", "so", "so_SO", "sq", "sq_AL", "sr", |
| "sr_Cyrl_RS", "sr_Latn", "sr_RS", "sv", "sv_SE", "sw", "sw_TZ", "ta", |
| "ta_IN", "te", "te_IN", "th", "th_TH", "tk", "tk_TM", "tr", "tr_TR", "uk", |
| "uk_UA", "ur", "ur_PK", "uz", "uz_UZ", "vi", "vi_VN", "yue", "yue_Hant", |
| "yue_Hant_HK", "yue_HK", "zh", "zh_CN", "zh_Hans", "zh_Hans_CN", "zh_Hant", |
| "zh_Hant_TW", "zh_TW", "zu", "zu_ZA" |
| }; |
| |
| static UBool U_CALLCONV cleanupKnownCanonicalized() { |
| gKnownCanonicalizedInitOnce.reset(); |
| if (gKnownCanonicalized) { uhash_close(gKnownCanonicalized); } |
| return TRUE; |
| } |
| |
| static void U_CALLCONV loadKnownCanonicalized(UErrorCode &status) { |
| ucln_common_registerCleanup(UCLN_COMMON_LOCALE_KNOWN_CANONICALIZED, |
| cleanupKnownCanonicalized); |
| LocalUHashtablePointer newKnownCanonicalizedMap( |
| uhash_open(uhash_hashChars, uhash_compareChars, nullptr, &status)); |
| for (int32_t i = 0; |
| U_SUCCESS(status) && i < UPRV_LENGTHOF(KNOWN_CANONICALIZED); |
| i++) { |
| uhash_puti(newKnownCanonicalizedMap.getAlias(), |
| (void*)KNOWN_CANONICALIZED[i], |
| 1, &status); |
| } |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| gKnownCanonicalized = newKnownCanonicalizedMap.orphan(); |
| } |
| |
| class AliasData; |
| |
| /** |
| * A Builder class to build the alias data. |
| */ |
| class AliasDataBuilder { |
| public: |
| AliasDataBuilder() { |
| } |
| |
| // Build the AliasData from resource. |
| AliasData* build(UErrorCode &status); |
| |
| private: |
| void readAlias(UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, |
| void (*checkType)(const char* type), |
| void (*checkReplacement)(const UnicodeString& replacement), |
| UErrorCode &status); |
| |
| // Read the languageAlias data from alias to |
| // strings+types+replacementIndexes |
| // The number of record will be stored into length. |
| // Allocate length items for types, to store the type field. |
| // Allocate length items for replacementIndexes, |
| // to store the index in the strings for the replacement script. |
| void readLanguageAlias(UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, |
| UErrorCode &status); |
| |
| // Read the scriptAlias data from alias to |
| // strings+types+replacementIndexes |
| // Allocate length items for types, to store the type field. |
| // Allocate length items for replacementIndexes, |
| // to store the index in the strings for the replacement script. |
| void readScriptAlias(UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, UErrorCode &status); |
| |
| // Read the territoryAlias data from alias to |
| // strings+types+replacementIndexes |
| // Allocate length items for types, to store the type field. |
| // Allocate length items for replacementIndexes, |
| // to store the index in the strings for the replacement script. |
| void readTerritoryAlias(UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, UErrorCode &status); |
| |
| // Read the variantAlias data from alias to |
| // strings+types+replacementIndexes |
| // Allocate length items for types, to store the type field. |
| // Allocate length items for replacementIndexes, |
| // to store the index in the strings for the replacement variant. |
| void readVariantAlias(UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, UErrorCode &status); |
| }; |
| |
| /** |
| * A class to hold the Alias Data. |
| */ |
| class AliasData : public UMemory { |
| public: |
| static const AliasData* singleton(UErrorCode& status) { |
| if (U_FAILURE(status)) { |
| // Do not get into loadData if the status already has error. |
| return nullptr; |
| } |
| umtx_initOnce(AliasData::gInitOnce, &AliasData::loadData, status); |
| return gSingleton; |
| } |
| |
| const CharStringMap& languageMap() const { return language; } |
| const CharStringMap& scriptMap() const { return script; } |
| const CharStringMap& territoryMap() const { return territory; } |
| const CharStringMap& variantMap() const { return variant; } |
| |
| static void U_CALLCONV loadData(UErrorCode &status); |
| static UBool U_CALLCONV cleanup(); |
| |
| static UInitOnce gInitOnce; |
| |
| private: |
| AliasData(CharStringMap languageMap, |
| CharStringMap scriptMap, |
| CharStringMap territoryMap, |
| CharStringMap variantMap, |
| CharString* strings) |
| : language(std::move(languageMap)), |
| script(std::move(scriptMap)), |
| territory(std::move(territoryMap)), |
| variant(std::move(variantMap)), |
| strings(strings) { |
| } |
| |
| ~AliasData() { |
| delete strings; |
| } |
| |
| static const AliasData* gSingleton; |
| |
| CharStringMap language; |
| CharStringMap script; |
| CharStringMap territory; |
| CharStringMap variant; |
| CharString* strings; |
| |
| friend class AliasDataBuilder; |
| }; |
| |
| |
| const AliasData* AliasData::gSingleton = nullptr; |
| UInitOnce AliasData::gInitOnce = U_INITONCE_INITIALIZER; |
| |
| UBool U_CALLCONV |
| AliasData::cleanup() |
| { |
| gInitOnce.reset(); |
| delete gSingleton; |
| return TRUE; |
| } |
| |
| void |
| AliasDataBuilder::readAlias( |
| UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, |
| void (*checkType)(const char* type), |
| void (*checkReplacement)(const UnicodeString& replacement), |
| UErrorCode &status) { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| length = ures_getSize(alias); |
| const char** rawTypes = types.allocateInsteadAndCopy(length); |
| if (rawTypes == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| int32_t* rawIndexes = replacementIndexes.allocateInsteadAndCopy(length); |
| if (rawIndexes == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| int i = 0; |
| while (ures_hasNext(alias)) { |
| LocalUResourceBundlePointer res( |
| ures_getNextResource(alias, nullptr, &status)); |
| const char* aliasFrom = ures_getKey(res.getAlias()); |
| UnicodeString aliasTo = |
| ures_getUnicodeStringByKey(res.getAlias(), "replacement", &status); |
| |
| checkType(aliasFrom); |
| checkReplacement(aliasTo); |
| |
| rawTypes[i] = aliasFrom; |
| rawIndexes[i] = strings->add(aliasTo, status); |
| i++; |
| } |
| } |
| |
| /** |
| * Read the languageAlias data from alias to strings+types+replacementIndexes. |
| * Allocate length items for types, to store the type field. Allocate length |
| * items for replacementIndexes, to store the index in the strings for the |
| * replacement language. |
| */ |
| void |
| AliasDataBuilder::readLanguageAlias( |
| UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, |
| UErrorCode &status) |
| { |
| return readAlias( |
| alias, strings, types, replacementIndexes, length, |
| #if U_DEBUG |
| [](const char* type) { |
| // Assert the aliasFrom only contains the following possibilties |
| // language_REGION_variant |
| // language_REGION |
| // language_variant |
| // language |
| // und_variant |
| Locale test(type); |
| // Assert no script in aliasFrom |
| U_ASSERT(test.getScript()[0] == '\0'); |
| // Assert when language is und, no REGION in aliasFrom. |
| U_ASSERT(test.getLanguage()[0] != '\0' || test.getCountry()[0] == '\0'); |
| }, |
| #else |
| [](const char*) {}, |
| #endif |
| [](const UnicodeString&) {}, status); |
| } |
| |
| /** |
| * Read the scriptAlias data from alias to strings+types+replacementIndexes. |
| * Allocate length items for types, to store the type field. Allocate length |
| * items for replacementIndexes, to store the index in the strings for the |
| * replacement script. |
| */ |
| void |
| AliasDataBuilder::readScriptAlias( |
| UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, |
| UErrorCode &status) |
| { |
| return readAlias( |
| alias, strings, types, replacementIndexes, length, |
| #if U_DEBUG |
| [](const char* type) { |
| U_ASSERT(uprv_strlen(type) == 4); |
| }, |
| [](const UnicodeString& replacement) { |
| U_ASSERT(replacement.length() == 4); |
| }, |
| #else |
| [](const char*) {}, |
| [](const UnicodeString&) { }, |
| #endif |
| status); |
| } |
| |
| /** |
| * Read the territoryAlias data from alias to strings+types+replacementIndexes. |
| * Allocate length items for types, to store the type field. Allocate length |
| * items for replacementIndexes, to store the index in the strings for the |
| * replacement regions. |
| */ |
| void |
| AliasDataBuilder::readTerritoryAlias( |
| UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, |
| UErrorCode &status) |
| { |
| return readAlias( |
| alias, strings, types, replacementIndexes, length, |
| #if U_DEBUG |
| [](const char* type) { |
| U_ASSERT(uprv_strlen(type) == 2 || uprv_strlen(type) == 3); |
| }, |
| #else |
| [](const char*) {}, |
| #endif |
| [](const UnicodeString&) { }, |
| status); |
| } |
| |
| /** |
| * Read the variantAlias data from alias to strings+types+replacementIndexes. |
| * Allocate length items for types, to store the type field. Allocate length |
| * items for replacementIndexes, to store the index in the strings for the |
| * replacement variant. |
| */ |
| void |
| AliasDataBuilder::readVariantAlias( |
| UResourceBundle* alias, |
| UniqueCharStrings* strings, |
| LocalMemory<const char*>& types, |
| LocalMemory<int32_t>& replacementIndexes, |
| int32_t &length, |
| UErrorCode &status) |
| { |
| return readAlias( |
| alias, strings, types, replacementIndexes, length, |
| #if U_DEBUG |
| [](const char* type) { |
| U_ASSERT(uprv_strlen(type) >= 4 && uprv_strlen(type) <= 8); |
| U_ASSERT(uprv_strlen(type) != 4 || |
| (type[0] >= '0' && type[0] <= '9')); |
| }, |
| [](const UnicodeString& replacement) { |
| U_ASSERT(replacement.length() >= 4 && replacement.length() <= 8); |
| U_ASSERT(replacement.length() != 4 || |
| (replacement.charAt(0) >= u'0' && |
| replacement.charAt(0) <= u'9')); |
| }, |
| #else |
| [](const char*) {}, |
| [](const UnicodeString&) { }, |
| #endif |
| status); |
| } |
| |
| /** |
| * Initializes the alias data from the ICU resource bundles. The alias data |
| * contains alias of language, country, script and variants. |
| * |
| * If the alias data has already loaded, then this method simply returns without |
| * doing anything meaningful. |
| */ |
| void U_CALLCONV |
| AliasData::loadData(UErrorCode &status) |
| { |
| #ifdef LOCALE_CANONICALIZATION_DEBUG |
| UDate start = uprv_getRawUTCtime(); |
| #endif // LOCALE_CANONICALIZATION_DEBUG |
| ucln_common_registerCleanup(UCLN_COMMON_LOCALE_ALIAS, cleanup); |
| AliasDataBuilder builder; |
| gSingleton = builder.build(status); |
| #ifdef LOCALE_CANONICALIZATION_DEBUG |
| UDate end = uprv_getRawUTCtime(); |
| printf("AliasData::loadData took total %f ms\n", end - start); |
| #endif // LOCALE_CANONICALIZATION_DEBUG |
| } |
| |
| /** |
| * Build the alias data from resources. |
| */ |
| AliasData* |
| AliasDataBuilder::build(UErrorCode &status) { |
| LocalUResourceBundlePointer metadata( |
| ures_openDirect(nullptr, "metadata", &status)); |
| LocalUResourceBundlePointer metadataAlias( |
| ures_getByKey(metadata.getAlias(), "alias", nullptr, &status)); |
| LocalUResourceBundlePointer languageAlias( |
| ures_getByKey(metadataAlias.getAlias(), "language", nullptr, &status)); |
| LocalUResourceBundlePointer scriptAlias( |
| ures_getByKey(metadataAlias.getAlias(), "script", nullptr, &status)); |
| LocalUResourceBundlePointer territoryAlias( |
| ures_getByKey(metadataAlias.getAlias(), "territory", nullptr, &status)); |
| LocalUResourceBundlePointer variantAlias( |
| ures_getByKey(metadataAlias.getAlias(), "variant", nullptr, &status)); |
| |
| if (U_FAILURE(status)) { |
| return nullptr; |
| } |
| int32_t languagesLength = 0, scriptLength = 0, territoryLength = 0, |
| variantLength = 0; |
| |
| // Read the languageAlias into languageTypes, languageReplacementIndexes |
| // and strings |
| UniqueCharStrings strings(status); |
| LocalMemory<const char*> languageTypes; |
| LocalMemory<int32_t> languageReplacementIndexes; |
| readLanguageAlias(languageAlias.getAlias(), |
| &strings, |
| languageTypes, |
| languageReplacementIndexes, |
| languagesLength, |
| status); |
| |
| // Read the scriptAlias into scriptTypes, scriptReplacementIndexes |
| // and strings |
| LocalMemory<const char*> scriptTypes; |
| LocalMemory<int32_t> scriptReplacementIndexes; |
| readScriptAlias(scriptAlias.getAlias(), |
| &strings, |
| scriptTypes, |
| scriptReplacementIndexes, |
| scriptLength, |
| status); |
| |
| // Read the territoryAlias into territoryTypes, territoryReplacementIndexes |
| // and strings |
| LocalMemory<const char*> territoryTypes; |
| LocalMemory<int32_t> territoryReplacementIndexes; |
| readTerritoryAlias(territoryAlias.getAlias(), |
| &strings, |
| territoryTypes, |
| territoryReplacementIndexes, |
| territoryLength, status); |
| |
| // Read the variantAlias into variantTypes, variantReplacementIndexes |
| // and strings |
| LocalMemory<const char*> variantTypes; |
| LocalMemory<int32_t> variantReplacementIndexes; |
| readVariantAlias(variantAlias.getAlias(), |
| &strings, |
| variantTypes, |
| variantReplacementIndexes, |
| variantLength, status); |
| |
| if (U_FAILURE(status)) { |
| return nullptr; |
| } |
| |
| // We can only use strings after freeze it. |
| strings.freeze(); |
| |
| // Build the languageMap from languageTypes & languageReplacementIndexes |
| CharStringMap languageMap(490, status); |
| for (int32_t i = 0; U_SUCCESS(status) && i < languagesLength; i++) { |
| languageMap.put(languageTypes[i], |
| strings.get(languageReplacementIndexes[i]), |
| status); |
| } |
| |
| // Build the scriptMap from scriptTypes & scriptReplacementIndexes |
| CharStringMap scriptMap(1, status); |
| for (int32_t i = 0; U_SUCCESS(status) && i < scriptLength; i++) { |
| scriptMap.put(scriptTypes[i], |
| strings.get(scriptReplacementIndexes[i]), |
| status); |
| } |
| |
| // Build the territoryMap from territoryTypes & territoryReplacementIndexes |
| CharStringMap territoryMap(650, status); |
| for (int32_t i = 0; U_SUCCESS(status) && i < territoryLength; i++) { |
| territoryMap.put(territoryTypes[i], |
| strings.get(territoryReplacementIndexes[i]), |
| status); |
| } |
| |
| // Build the variantMap from variantTypes & variantReplacementIndexes. |
| CharStringMap variantMap(2, status); |
| for (int32_t i = 0; U_SUCCESS(status) && i < variantLength; i++) { |
| variantMap.put(variantTypes[i], |
| strings.get(variantReplacementIndexes[i]), |
| status); |
| } |
| |
| if (U_FAILURE(status)) { |
| return nullptr; |
| } |
| |
| // copy hashtables |
| auto *data = new AliasData( |
| std::move(languageMap), |
| std::move(scriptMap), |
| std::move(territoryMap), |
| std::move(variantMap), |
| strings.orphanCharStrings()); |
| |
| if (data == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| return data; |
| } |
| |
| /** |
| * A class that find the replacement values of locale fields by using AliasData. |
| */ |
| class AliasReplacer { |
| public: |
| AliasReplacer(UErrorCode status) : |
| language(nullptr), script(nullptr), region(nullptr), |
| extensions(nullptr), variants(status), |
| data(nullptr) { |
| } |
| ~AliasReplacer() { |
| } |
| |
| // Check the fields inside locale, if need to replace fields, |
| // place the the replaced locale ID in out and return true. |
| // Otherwise return false for no replacement or error. |
| bool replace( |
| const Locale& locale, CharString& out, UErrorCode status); |
| |
| private: |
| const char* language; |
| const char* script; |
| const char* region; |
| const char* extensions; |
| UVector variants; |
| |
| const AliasData* data; |
| |
| inline bool notEmpty(const char* str) { |
| return str && str[0] != NULL_CHAR; |
| } |
| |
| /** |
| * If replacement is neither null nor empty and input is either null or empty, |
| * return replacement. |
| * If replacement is neither null nor empty but input is not empty, return input. |
| * If replacement is either null or empty and type is either null or empty, |
| * return input. |
| * Otherwise return null. |
| * replacement input type return |
| * AAA nullptr * AAA |
| * AAA BBB * BBB |
| * nullptr || "" CCC nullptr CCC |
| * nullptr || "" * DDD nullptr |
| */ |
| inline const char* deleteOrReplace( |
| const char* input, const char* type, const char* replacement) { |
| return notEmpty(replacement) ? |
| ((input == nullptr) ? replacement : input) : |
| ((type == nullptr) ? input : nullptr); |
| } |
| |
| inline bool same(const char* a, const char* b) { |
| if (a == nullptr && b == nullptr) { |
| return true; |
| } |
| if ((a == nullptr && b != nullptr) || |
| (a != nullptr && b == nullptr)) { |
| return false; |
| } |
| return uprv_strcmp(a, b) == 0; |
| } |
| |
| // Gather fields and generate locale ID into out. |
| CharString& outputToString(CharString& out, UErrorCode status); |
| |
| // Generate the lookup key. |
| CharString& generateKey(const char* language, const char* region, |
| const char* variant, CharString& out, |
| UErrorCode status); |
| |
| void parseLanguageReplacement(const char* replacement, |
| const char*& replaceLanguage, |
| const char*& replaceScript, |
| const char*& replaceRegion, |
| const char*& replaceVariant, |
| const char*& replaceExtensions, |
| UVector& toBeFreed, |
| UErrorCode& status); |
| |
| // Replace by using languageAlias. |
| bool replaceLanguage(bool checkLanguage, bool checkRegion, |
| bool checkVariants, UVector& toBeFreed, |
| UErrorCode& status); |
| |
| // Replace by using territoryAlias. |
| bool replaceTerritory(UVector& toBeFreed, UErrorCode& status); |
| |
| // Replace by using scriptAlias. |
| bool replaceScript(UErrorCode& status); |
| |
| // Replace by using variantAlias. |
| bool replaceVariant(UErrorCode& status); |
| }; |
| |
| CharString& |
| AliasReplacer::generateKey( |
| const char* language, const char* region, const char* variant, |
| CharString& out, UErrorCode status) |
| { |
| out.append(language, status); |
| if (notEmpty(region)) { |
| out.append(SEP_CHAR, status) |
| .append(region, status); |
| } |
| if (notEmpty(variant)) { |
| out.append(SEP_CHAR, status) |
| .append(variant, status); |
| } |
| return out; |
| } |
| |
| void |
| AliasReplacer::parseLanguageReplacement( |
| const char* replacement, |
| const char*& replacedLanguage, |
| const char*& replacedScript, |
| const char*& replacedRegion, |
| const char*& replacedVariant, |
| const char*& replacedExtensions, |
| UVector& toBeFreed, |
| UErrorCode& status) |
| { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| replacedScript = replacedRegion = replacedVariant |
| = replacedExtensions = nullptr; |
| if (uprv_strchr(replacement, '_') == nullptr) { |
| replacedLanguage = replacement; |
| // reach the end, just return it. |
| return; |
| } |
| // We have multiple field so we have to allocate and parse |
| CharString* str = new CharString( |
| replacement, (int32_t)uprv_strlen(replacement), status); |
| if (U_FAILURE(status)) { |
| return; |
| } |
| if (str == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| toBeFreed.addElement(str, status); |
| char* data = str->data(); |
| replacedLanguage = (const char*) data; |
| char* endOfField = uprv_strchr(data, '_'); |
| *endOfField = '\0'; // null terminiate it. |
| endOfField++; |
| const char* start = endOfField; |
| endOfField = (char*) uprv_strchr(start, '_'); |
| size_t len = 0; |
| if (endOfField == nullptr) { |
| len = uprv_strlen(start); |
| } else { |
| len = endOfField - start; |
| *endOfField = '\0'; // null terminiate it. |
| } |
| if (len == 4 && uprv_isASCIILetter(*start)) { |
| // Got a script |
| replacedScript = start; |
| if (endOfField == nullptr) { |
| return; |
| } |
| start = endOfField++; |
| endOfField = (char*)uprv_strchr(start, '_'); |
| if (endOfField == nullptr) { |
| len = uprv_strlen(start); |
| } else { |
| len = endOfField - start; |
| *endOfField = '\0'; // null terminiate it. |
| } |
| } |
| if (len >= 2 && len <= 3) { |
| // Got a region |
| replacedRegion = start; |
| if (endOfField == nullptr) { |
| return; |
| } |
| start = endOfField++; |
| endOfField = (char*)uprv_strchr(start, '_'); |
| if (endOfField == nullptr) { |
| len = uprv_strlen(start); |
| } else { |
| len = endOfField - start; |
| *endOfField = '\0'; // null terminiate it. |
| } |
| } |
| if (len >= 4) { |
| // Got a variant |
| replacedVariant = start; |
| if (endOfField == nullptr) { |
| return; |
| } |
| start = endOfField++; |
| } |
| replacedExtensions = start; |
| } |
| |
| bool |
| AliasReplacer::replaceLanguage( |
| bool checkLanguage, bool checkRegion, |
| bool checkVariants, UVector& toBeFreed, UErrorCode& status) |
| { |
| if (U_FAILURE(status)) { |
| return false; |
| } |
| if ( (checkRegion && region == nullptr) || |
| (checkVariants && variants.size() == 0)) { |
| // Nothing to search. |
| return false; |
| } |
| int32_t variant_size = checkVariants ? variants.size() : 1; |
| // Since we may have more than one variant, we need to loop through them. |
| const char* searchLanguage = checkLanguage ? language : "und"; |
| const char* searchRegion = checkRegion ? region : nullptr; |
| const char* searchVariant = nullptr; |
| for (int32_t variant_index = 0; |
| variant_index < variant_size; |
| variant_index++) { |
| if (checkVariants) { |
| U_ASSERT(variant_index < variant_size); |
| searchVariant = (const char*)(variants.elementAt(variant_index)); |
| } |
| |
| if (searchVariant != nullptr && uprv_strlen(searchVariant) < 4) { |
| // Do not consider ill-formed variant subtag. |
| searchVariant = nullptr; |
| } |
| CharString typeKey; |
| generateKey(searchLanguage, searchRegion, searchVariant, typeKey, |
| status); |
| if (U_FAILURE(status)) { |
| return false; |
| } |
| const char *replacement = data->languageMap().get(typeKey.data()); |
| if (replacement == nullptr) { |
| // Found no replacement data. |
| continue; |
| } |
| |
| const char* replacedLanguage = nullptr; |
| const char* replacedScript = nullptr; |
| const char* replacedRegion = nullptr; |
| const char* replacedVariant = nullptr; |
| const char* replacedExtensions = nullptr; |
| parseLanguageReplacement(replacement, |
| replacedLanguage, |
| replacedScript, |
| replacedRegion, |
| replacedVariant, |
| replacedExtensions, |
| toBeFreed, |
| status); |
| replacedLanguage = |
| (replacedLanguage != nullptr && uprv_strcmp(replacedLanguage, "und") == 0) ? |
| language : replacedLanguage; |
| replacedScript = deleteOrReplace(script, nullptr, replacedScript); |
| replacedRegion = deleteOrReplace(region, searchRegion, replacedRegion); |
| replacedVariant = deleteOrReplace( |
| searchVariant, searchVariant, replacedVariant); |
| |
| if ( same(language, replacedLanguage) && |
| same(script, replacedScript) && |
| same(region, replacedRegion) && |
| same(searchVariant, replacedVariant) && |
| replacedExtensions == nullptr) { |
| // Replacement produce no changes. |
| continue; |
| } |
| |
| language = replacedLanguage; |
| region = replacedRegion; |
| script = replacedScript; |
| if (searchVariant != nullptr) { |
| if (notEmpty(replacedVariant)) { |
| variants.setElementAt((void*)replacedVariant, variant_index); |
| } else { |
| variants.removeElementAt(variant_index); |
| } |
| } |
| if (replacedExtensions != nullptr) { |
| // TODO(ICU-21292) |
| // DO NOTHING |
| // UTS35 does not specifiy what should we do if we have extensions in the |
| // replacement. Currently we know only the following 4 "BCP47 LegacyRules" have |
| // extensions in them languageAlias: |
| // i_default => en_x_i_default |
| // i_enochian => und_x_i_enochian |
| // i_mingo => see_x_i_mingo |
| // zh_min => nan_x_zh_min |
| // But all of them are already changed by code inside ultag_parse() before |
| // hitting this code. |
| } |
| |
| // Something changed by language alias data. |
| return true; |
| } |
| // Nothing changed by language alias data. |
| return false; |
| } |
| |
| bool |
| AliasReplacer::replaceTerritory(UVector& toBeFreed, UErrorCode& status) |
| { |
| if (U_FAILURE(status)) { |
| return false; |
| } |
| if (region == nullptr) { |
| // No region to search. |
| return false; |
| } |
| const char *replacement = data->territoryMap().get(region); |
| if (replacement == nullptr) { |
| // Found no replacement data for this region. |
| return false; |
| } |
| const char* replacedRegion = replacement; |
| const char* firstSpace = uprv_strchr(replacement, ' '); |
| if (firstSpace != nullptr) { |
| // If there are are more than one region in the replacement. |
| // We need to check which one match based on the language. |
| // Cannot use nullptr for language because that will construct |
| // the default locale, in that case, use "und" to get the correct |
| // locale. |
| Locale l = LocaleBuilder() |
| .setLanguage(language == nullptr ? "und" : language) |
| .setScript(script) |
| .build(status); |
| l.addLikelySubtags(status); |
| const char* likelyRegion = l.getCountry(); |
| CharString* item = nullptr; |
| if (likelyRegion != nullptr && uprv_strlen(likelyRegion) > 0) { |
| size_t len = uprv_strlen(likelyRegion); |
| const char* foundInReplacement = uprv_strstr(replacement, |
| likelyRegion); |
| if (foundInReplacement != nullptr) { |
| // Assuming the case there are no three letter region code in |
| // the replacement of territoryAlias |
| U_ASSERT(foundInReplacement == replacement || |
| *(foundInReplacement-1) == ' '); |
| U_ASSERT(foundInReplacement[len] == ' ' || |
| foundInReplacement[len] == '\0'); |
| item = new CharString(foundInReplacement, (int32_t)len, status); |
| } |
| } |
| if (item == nullptr) { |
| item = new CharString(replacement, |
| (int32_t)(firstSpace - replacement), status); |
| } |
| if (U_FAILURE(status)) { return false; } |
| if (item == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return false; |
| } |
| replacedRegion = item->data(); |
| toBeFreed.addElement(item, status); |
| } |
| U_ASSERT(!same(region, replacedRegion)); |
| region = replacedRegion; |
| // The region is changed by data in territory alias. |
| return true; |
| } |
| |
| bool |
| AliasReplacer::replaceScript(UErrorCode& status) |
| { |
| if (U_FAILURE(status)) { |
| return false; |
| } |
| if (script == nullptr) { |
| // No script to search. |
| return false; |
| } |
| const char *replacement = data->scriptMap().get(script); |
| if (replacement == nullptr) { |
| // Found no replacement data for this script. |
| return false; |
| } |
| U_ASSERT(!same(script, replacement)); |
| script = replacement; |
| // The script is changed by data in script alias. |
| return true; |
| } |
| |
| bool |
| AliasReplacer::replaceVariant(UErrorCode& status) |
| { |
| if (U_FAILURE(status)) { |
| return false; |
| } |
| // Since we may have more than one variant, we need to loop through them. |
| for (int32_t i = 0; i < variants.size(); i++) { |
| const char *variant = (const char*)(variants.elementAt(i)); |
| const char *replacement = data->variantMap().get(variant); |
| if (replacement == nullptr) { |
| // Found no replacement data for this variant. |
| continue; |
| } |
| U_ASSERT((uprv_strlen(replacement) >= 5 && |
| uprv_strlen(replacement) <= 8) || |
| (uprv_strlen(replacement) == 4 && |
| replacement[0] >= '0' && |
| replacement[0] <= '9')); |
| if (!same(variant, replacement)) { |
| variants.setElementAt((void*)replacement, i); |
| // Special hack to handle hepburn-heploc => alalc97 |
| if (uprv_strcmp(variant, "heploc") == 0) { |
| for (int32_t j = 0; j < variants.size(); j++) { |
| if (uprv_strcmp((const char*)(variants.elementAt(j)), |
| "hepburn") == 0) { |
| variants.removeElementAt(j); |
| } |
| } |
| } |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| CharString& |
| AliasReplacer::outputToString( |
| CharString& out, UErrorCode status) |
| { |
| out.append(language, status); |
| if (notEmpty(script)) { |
| out.append(SEP_CHAR, status) |
| .append(script, status); |
| } |
| if (notEmpty(region)) { |
| out.append(SEP_CHAR, status) |
| .append(region, status); |
| } |
| if (variants.size() > 0) { |
| if (!notEmpty(script) && !notEmpty(region)) { |
| out.append(SEP_CHAR, status); |
| } |
| variants.sort([](UElement e1, UElement e2) -> int8_t { |
| return uprv_strcmp( |
| (const char*)e1.pointer, (const char*)e2.pointer); |
| }, status); |
| int32_t variantsStart = out.length(); |
| for (int32_t i = 0; i < variants.size(); i++) { |
| out.append(SEP_CHAR, status) |
| .append((const char*)(variants.elementAt(i)), |
| status); |
| } |
| T_CString_toUpperCase(out.data() + variantsStart); |
| } |
| if (notEmpty(extensions)) { |
| CharString tmp("und_", status); |
| tmp.append(extensions, status); |
| Locale tmpLocale(tmp.data()); |
| // only support x extension inside CLDR for now. |
| U_ASSERT(extensions[0] == 'x'); |
| out.append(tmpLocale.getName() + 1, status); |
| } |
| return out; |
| } |
| |
| bool |
| AliasReplacer::replace(const Locale& locale, CharString& out, UErrorCode status) |
| { |
| data = AliasData::singleton(status); |
| if (U_FAILURE(status)) { |
| return false; |
| } |
| U_ASSERT(data != nullptr); |
| out.clear(); |
| language = locale.getLanguage(); |
| if (!notEmpty(language)) { |
| language = nullptr; |
| } |
| script = locale.getScript(); |
| if (!notEmpty(script)) { |
| script = nullptr; |
| } |
| region = locale.getCountry(); |
| if (!notEmpty(region)) { |
| region = nullptr; |
| } |
| const char* variantsStr = locale.getVariant(); |
| const char* extensionsStr = locale_getKeywordsStart(locale.getName()); |
| CharString variantsBuff(variantsStr, -1, status); |
| if (!variantsBuff.isEmpty()) { |
| if (U_FAILURE(status)) { return false; } |
| char* start = variantsBuff.data(); |
| T_CString_toLowerCase(start); |
| char* end; |
| while ((end = uprv_strchr(start, SEP_CHAR)) != nullptr && |
| U_SUCCESS(status)) { |
| *end = NULL_CHAR; // null terminate inside variantsBuff |
| variants.addElement(start, status); |
| start = end + 1; |
| } |
| variants.addElement(start, status); |
| } |
| if (U_FAILURE(status)) { return false; } |
| |
| // Sort the variants |
| variants.sort([](UElement e1, UElement e2) -> int8_t { |
| return uprv_strcmp( |
| (const char*)e1.pointer, (const char*)e2.pointer); |
| }, status); |
| |
| // A changed count to assert when loop too many times. |
| int changed = 0; |
| // A UVector to to hold CharString allocated by the replace* method |
| // and freed when out of scope from his function. |
| UVector stringsToBeFreed([](void *obj){ delete ((CharString*) obj); }, |
| nullptr, 10, status); |
| while (U_SUCCESS(status)) { |
| // Something wrong with the data cause looping here more than 10 times |
| // already. |
| U_ASSERT(changed < 5); |
| // From observation of key in data/misc/metadata.txt |
| // we know currently we only need to search in the following combination |
| // of fields for type in languageAlias: |
| // * lang_region_variant |
| // * lang_region |
| // * lang_variant |
| // * lang |
| // * und_variant |
| // This assumption is ensured by the U_ASSERT in readLanguageAlias |
| // |
| // lang REGION variant |
| if ( replaceLanguage(true, true, true, stringsToBeFreed, status) || |
| replaceLanguage(true, true, false, stringsToBeFreed, status) || |
| replaceLanguage(true, false, true, stringsToBeFreed, status) || |
| replaceLanguage(true, false, false, stringsToBeFreed, status) || |
| replaceLanguage(false,false, true, stringsToBeFreed, status) || |
| replaceTerritory(stringsToBeFreed, status) || |
| replaceScript(status) || |
| replaceVariant(status)) { |
| // Some values in data is changed, try to match from the beginning |
| // again. |
| changed++; |
| continue; |
| } |
| // Nothing changed. Break out. |
| break; |
| } // while(1) |
| |
| if (U_FAILURE(status)) { return false; } |
| // Nothing changed and we know the order of the vaiants are not change |
| // because we have no variant or only one. |
| if (changed == 0 && variants.size() <= 1) { |
| return false; |
| } |
| outputToString(out, status); |
| if (extensionsStr != nullptr) { |
| out.append(extensionsStr, status); |
| } |
| if (U_FAILURE(status)) { |
| return false; |
| } |
| // If the tag is not changed, return. |
| if (uprv_strcmp(out.data(), locale.getName()) == 0) { |
| U_ASSERT(changed == 0); |
| U_ASSERT(variants.size() > 1); |
| out.clear(); |
| return false; |
| } |
| return true; |
| } |
| |
| // Return true if the locale is changed during canonicalization. |
| // The replaced value then will be put into out. |
| bool |
| canonicalizeLocale(const Locale& locale, CharString& out, UErrorCode& status) |
| { |
| AliasReplacer replacer(status); |
| return replacer.replace(locale, out, status); |
| } |
| |
| // Function to optimize for known cases without so we can skip the loading |
| // of resources in the startup time until we really need it. |
| bool |
| isKnownCanonicalizedLocale(const char* locale, UErrorCode& status) |
| { |
| if ( uprv_strcmp(locale, "c") == 0 || |
| uprv_strcmp(locale, "en") == 0 || |
| uprv_strcmp(locale, "en_US") == 0) { |
| return true; |
| } |
| |
| // common well-known Canonicalized. |
| umtx_initOnce(gKnownCanonicalizedInitOnce, |
| &loadKnownCanonicalized, status); |
| if (U_FAILURE(status)) { |
| return false; |
| } |
| U_ASSERT(gKnownCanonicalized != nullptr); |
| return uhash_geti(gKnownCanonicalized, locale) != 0; |
| } |
| |
| } // namespace |
| |
| // Function for testing. |
| U_CAPI const char* const* |
| ulocimp_getKnownCanonicalizedLocaleForTest(int32_t* length) |
| { |
| *length = UPRV_LENGTHOF(KNOWN_CANONICALIZED); |
| return KNOWN_CANONICALIZED; |
| } |
| |
| // Function for testing. |
| U_CAPI bool |
| ulocimp_isCanonicalizedLocaleForTest(const char* localeName) |
| { |
| Locale l(localeName); |
| UErrorCode status = U_ZERO_ERROR; |
| CharString temp; |
| return !canonicalizeLocale(l, temp, status) && U_SUCCESS(status); |
| } |
| |
| /*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 && uprv_isASCIILetter(field[1][0]) && |
| uprv_isASCIILetter(field[1][1]) && uprv_isASCIILetter(field[1][2]) && |
| uprv_isASCIILetter(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) { |
| if (!isKnownCanonicalizedLocale(fullName, err)) { |
| CharString replaced; |
| // Not sure it is already canonicalized |
| if (canonicalizeLocale(*this, replaced, err)) { |
| U_ASSERT(U_SUCCESS(err)); |
| // If need replacement, call init again. |
| init(replaced.data(), false); |
| } |
| if (U_FAILURE(err)) { |
| break; |
| } |
| } |
| } // 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 |
| // legacy language tags (marked as “Type: grandfathered” in BCP 47, |
| // e.g., "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 |
| { |
| 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) { |
| CharString keywords; |
| CharStringByteSink sink(&keywords); |
| ulocimp_getKeywords(variantStart+1, '@', sink, FALSE, &status); |
| if (U_SUCCESS(status) && !keywords.isEmpty()) { |
| result = new KeywordEnumeration(keywords.data(), keywords.length(), 0, status); |
| if (!result) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| } |
| } else { |
| status = U_INVALID_FORMAT_ERROR; |
| } |
| } |
| return result; |
| } |
| |
| StringEnumeration * |
| Locale::createUnicodeKeywords(UErrorCode &status) const |
| { |
| 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) { |
| CharString keywords; |
| CharStringByteSink sink(&keywords); |
| ulocimp_getKeywords(variantStart+1, '@', sink, FALSE, &status); |
| if (U_SUCCESS(status) && !keywords.isEmpty()) { |
| result = new UnicodeKeywordEnumeration(keywords.data(), keywords.length(), 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; |
| } |
| |
| ulocimp_getKeywordValue(fullName, keywordName_nul.data(), sink, &status); |
| } |
| |
| 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; |
| } |
| if (status == U_STRING_NOT_TERMINATED_WARNING) { |
| status = U_ZERO_ERROR; |
| } |
| 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; |
| U_ASSERT(status != U_STRING_NOT_TERMINATED_WARNING); |
| /* 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); |
| U_ASSERT(status != U_STRING_NOT_TERMINATED_WARNING); |
| } 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 |
