| /* |
| ********************************************************************** |
| * Copyright (C) 2009-2010, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ********************************************************************** |
| */ |
| |
| #include "unicode/utypes.h" |
| #include "unicode/ures.h" |
| #include "unicode/putil.h" |
| #include "unicode/uloc.h" |
| #include "ustr_imp.h" |
| #include "cmemory.h" |
| #include "cstring.h" |
| #include "putilimp.h" |
| #include "uinvchar.h" |
| |
| /* struct holding a single variant */ |
| typedef struct VariantListEntry { |
| const char *variant; |
| struct VariantListEntry *next; |
| } VariantListEntry; |
| |
| /* struct holding a single extension */ |
| typedef struct ExtensionListEntry { |
| const char *key; |
| const char *value; |
| struct ExtensionListEntry *next; |
| } ExtensionListEntry; |
| |
| #define MAXEXTLANG 3 |
| typedef struct ULanguageTag { |
| char *buf; /* holding parsed subtags */ |
| const char *language; |
| const char *extlang[MAXEXTLANG]; |
| const char *script; |
| const char *region; |
| VariantListEntry *variants; |
| ExtensionListEntry *extensions; |
| const char *privateuse; |
| const char *grandfathered; |
| } ULanguageTag; |
| |
| #define MINLEN 2 |
| #define SEP '-' |
| #define PRIVATEUSE 'x' |
| #define LDMLEXT 'u' |
| |
| #define LOCALE_SEP '_' |
| #define LOCALE_EXT_SEP '@' |
| #define LOCALE_KEYWORD_SEP ';' |
| #define LOCALE_KEY_TYPE_SEP '=' |
| |
| #define ISALPHA(c) (((c)>='A' && (c)<='Z') || ((c)>='a' && (c)<='z')) |
| #define ISNUMERIC(c) ((c)>='0' && (c)<='9') |
| |
| static const char* EMPTY = ""; |
| static const char* LANG_UND = "und"; |
| static const char* PRIVATEUSE_KEY = "x"; |
| |
| #define LANG_UND_LEN 3 |
| |
| static const char* GRANDFATHERED[] = { |
| /* grandfathered preferred */ |
| "art-lojban", "jbo", |
| "cel-gaulish", "", |
| "en-GB-oed", "", |
| "i-ami", "ami", |
| "i-bnn", "bnn", |
| "i-default", "", |
| "i-enochian", "", |
| "i-hak", "hak", |
| "i-klingon", "tlh", |
| "i-lux", "lb", |
| "i-mingo", "", |
| "i-navajo", "nv", |
| "i-pwn", "pwn", |
| "i-tao", "tao", |
| "i-tay", "tay", |
| "i-tsu", "tsu", |
| "no-bok", "nb", |
| "no-nyn", "nn", |
| "sgn-be-fr", "sfb", |
| "sgn-be-nl", "vgt", |
| "sgn-ch-de", "sgg", |
| "zh-guoyu", "cmn", |
| "zh-hakka", "hak", |
| "zh-min", "", |
| "zh-min-nan", "nan", |
| "zh-xiang", "hsn", |
| NULL, NULL |
| }; |
| |
| static const char* DEPRECATEDLANGS[] = { |
| /* deprecated new */ |
| "iw", "he", |
| "ji", "yi", |
| "in", "id", |
| NULL, NULL |
| }; |
| |
| /* |
| * ------------------------------------------------- |
| * |
| * These ultag_ functions may be exposed as APIs later |
| * |
| * ------------------------------------------------- |
| */ |
| |
| static ULanguageTag* |
| ultag_parse(const char* tag, int32_t tagLen, int32_t* parsedLen, UErrorCode* status); |
| |
| static void |
| ultag_close(ULanguageTag* langtag); |
| |
| static const char* |
| ultag_getLanguage(const ULanguageTag* langtag); |
| |
| #if 0 |
| static const char* |
| ultag_getJDKLanguage(const ULanguageTag* langtag); |
| #endif |
| |
| static const char* |
| ultag_getExtlang(const ULanguageTag* langtag, int32_t idx); |
| |
| static int32_t |
| ultag_getExtlangSize(const ULanguageTag* langtag); |
| |
| static const char* |
| ultag_getScript(const ULanguageTag* langtag); |
| |
| static const char* |
| ultag_getRegion(const ULanguageTag* langtag); |
| |
| static const char* |
| ultag_getVariant(const ULanguageTag* langtag, int32_t idx); |
| |
| static int32_t |
| ultag_getVariantsSize(const ULanguageTag* langtag); |
| |
| static const char* |
| ultag_getExtensionKey(const ULanguageTag* langtag, int32_t idx); |
| |
| static const char* |
| ultag_getExtensionValue(const ULanguageTag* langtag, int32_t idx); |
| |
| static int32_t |
| ultag_getExtensionsSize(const ULanguageTag* langtag); |
| |
| static const char* |
| ultag_getPrivateUse(const ULanguageTag* langtag); |
| |
| #if 0 |
| static const char* |
| ultag_getGrandfathered(const ULanguageTag* langtag); |
| #endif |
| |
| /* |
| * ------------------------------------------------- |
| * |
| * Language subtag syntax validation functions |
| * |
| * ------------------------------------------------- |
| */ |
| |
| static UBool |
| _isAlphaString(const char* s, int32_t len) { |
| int32_t i; |
| for (i = 0; i < len; i++) { |
| if (!ISALPHA(*(s + i))) { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| static UBool |
| _isNumericString(const char* s, int32_t len) { |
| int32_t i; |
| for (i = 0; i < len; i++) { |
| if (!ISNUMERIC(*(s + i))) { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| static UBool |
| _isAlphaNumericString(const char* s, int32_t len) { |
| int32_t i; |
| for (i = 0; i < len; i++) { |
| if (!ISALPHA(*(s + i)) && !ISNUMERIC(*(s + i))) { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| static UBool |
| _isLanguageSubtag(const char* s, int32_t len) { |
| /* |
| * language = 2*3ALPHA ; shortest ISO 639 code |
| * ["-" extlang] ; sometimes followed by |
| * ; extended language subtags |
| * / 4ALPHA ; or reserved for future use |
| * / 5*8ALPHA ; or registered language subtag |
| */ |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len >= 2 && len <= 8 && _isAlphaString(s, len)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isExtlangSubtag(const char* s, int32_t len) { |
| /* |
| * extlang = 3ALPHA ; selected ISO 639 codes |
| * *2("-" 3ALPHA) ; permanently reserved |
| */ |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len == 3 && _isAlphaString(s, len)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isScriptSubtag(const char* s, int32_t len) { |
| /* |
| * script = 4ALPHA ; ISO 15924 code |
| */ |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len == 4 && _isAlphaString(s, len)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isRegionSubtag(const char* s, int32_t len) { |
| /* |
| * region = 2ALPHA ; ISO 3166-1 code |
| * / 3DIGIT ; UN M.49 code |
| */ |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len == 2 && _isAlphaString(s, len)) { |
| return TRUE; |
| } |
| if (len == 3 && _isNumericString(s, len)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isVariantSubtag(const char* s, int32_t len) { |
| /* |
| * variant = 5*8alphanum ; registered variants |
| * / (DIGIT 3alphanum) |
| */ |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len >= 5 && len <= 8 && _isAlphaString(s, len)) { |
| return TRUE; |
| } |
| if (len == 4 && ISNUMERIC(*s) && _isAlphaNumericString(s + 1, 3)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isExtensionSingleton(const char* s, int32_t len) { |
| /* |
| * extension = singleton 1*("-" (2*8alphanum)) |
| */ |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len == 1 && ISALPHA(*s) && (uprv_tolower(*s) != PRIVATEUSE)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isExtensionSubtag(const char* s, int32_t len) { |
| /* |
| * extension = singleton 1*("-" (2*8alphanum)) |
| */ |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len >= 2 && len <= 8 && _isAlphaNumericString(s, len)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isExtensionSubtags(const char* s, int32_t len) { |
| const char *p = s; |
| const char *pSubtag = NULL; |
| |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| |
| while ((p - s) < len) { |
| if (*p == SEP) { |
| if (pSubtag == NULL) { |
| return FALSE; |
| } |
| if (!_isExtensionSubtag(pSubtag, (int32_t)(p - pSubtag))) { |
| return FALSE; |
| } |
| pSubtag = NULL; |
| } else if (pSubtag == NULL) { |
| pSubtag = p; |
| } |
| p++; |
| } |
| if (pSubtag == NULL) { |
| return FALSE; |
| } |
| return _isExtensionSubtag(pSubtag, (int32_t)(p - pSubtag)); |
| } |
| |
| static UBool |
| _isPrivateuseValueSubtag(const char* s, int32_t len) { |
| /* |
| * privateuse = "x" 1*("-" (1*8alphanum)) |
| */ |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len >= 1 && len <= 8 && _isAlphaNumericString(s, len)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isPrivateuseValueSubtags(const char* s, int32_t len) { |
| const char *p = s; |
| const char *pSubtag = NULL; |
| |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| |
| while ((p - s) < len) { |
| if (*p == SEP) { |
| if (pSubtag == NULL) { |
| return FALSE; |
| } |
| if (!_isPrivateuseValueSubtag(pSubtag, (int32_t)(p - pSubtag))) { |
| return FALSE; |
| } |
| pSubtag = NULL; |
| } else if (pSubtag == NULL) { |
| pSubtag = p; |
| } |
| p++; |
| } |
| if (pSubtag == NULL) { |
| return FALSE; |
| } |
| return _isPrivateuseValueSubtag(pSubtag, (int32_t)(p - pSubtag)); |
| } |
| |
| static UBool |
| _isLDMLKey(const char* s, int32_t len) { |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len == 2 && _isAlphaNumericString(s, len)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| static UBool |
| _isLDMLType(const char* s, int32_t len) { |
| if (len < 0) { |
| len = (int32_t)uprv_strlen(s); |
| } |
| if (len >= 3 && len <= 8 && _isAlphaNumericString(s, len)) { |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| /* |
| * ------------------------------------------------- |
| * |
| * Helper functions |
| * |
| * ------------------------------------------------- |
| */ |
| |
| static UBool |
| _addVariantToList(VariantListEntry **first, VariantListEntry *var) { |
| UBool bAdded = TRUE; |
| |
| if (*first == NULL) { |
| var->next = NULL; |
| *first = var; |
| } else { |
| VariantListEntry *prev, *cur; |
| int32_t cmp; |
| |
| /* reorder variants in alphabetical order */ |
| prev = NULL; |
| cur = *first; |
| while (TRUE) { |
| if (cur == NULL) { |
| prev->next = var; |
| var->next = NULL; |
| break; |
| } |
| cmp = uprv_compareInvCharsAsAscii(var->variant, cur->variant); |
| if (cmp < 0) { |
| if (prev == NULL) { |
| *first = var; |
| } else { |
| prev->next = var; |
| } |
| var->next = cur; |
| break; |
| } |
| if (cmp == 0) { |
| /* duplicated variant */ |
| bAdded = FALSE; |
| break; |
| } |
| prev = cur; |
| cur = cur->next; |
| } |
| } |
| |
| return bAdded; |
| } |
| |
| |
| static UBool |
| _addExtensionToList(ExtensionListEntry **first, ExtensionListEntry *ext, UBool localeToBCP) { |
| UBool bAdded = TRUE; |
| |
| if (*first == NULL) { |
| ext->next = NULL; |
| *first = ext; |
| } else { |
| ExtensionListEntry *prev, *cur; |
| int32_t cmp; |
| |
| /* reorder variants in alphabetical order */ |
| prev = NULL; |
| cur = *first; |
| while (TRUE) { |
| if (cur == NULL) { |
| prev->next = ext; |
| ext->next = NULL; |
| break; |
| } |
| if (localeToBCP) { |
| /* special handling for locale to bcp conversion */ |
| int32_t len, curlen; |
| |
| len = (int32_t)uprv_strlen(ext->key); |
| curlen = (int32_t)uprv_strlen(cur->key); |
| |
| if (len == 1 && curlen == 1) { |
| if (*(ext->key) == *(cur->key)) { |
| cmp = 0; |
| } else if (*(ext->key) == PRIVATEUSE) { |
| cmp = 1; |
| } else if (*(cur->key) == PRIVATEUSE) { |
| cmp = -1; |
| } else { |
| cmp = *(ext->key) - *(cur->key); |
| } |
| } else if (len == 1) { |
| cmp = *(ext->key) - LDMLEXT; |
| } else if (curlen == 1) { |
| cmp = LDMLEXT - *(cur->key); |
| } else { |
| cmp = uprv_compareInvCharsAsAscii(ext->key, cur->key); |
| } |
| } else { |
| cmp = uprv_compareInvCharsAsAscii(ext->key, cur->key); |
| } |
| if (cmp < 0) { |
| if (prev == NULL) { |
| *first = ext; |
| } else { |
| prev->next = ext; |
| } |
| ext->next = cur; |
| break; |
| } |
| if (cmp == 0) { |
| /* duplicated extension key */ |
| bAdded = FALSE; |
| break; |
| } |
| prev = cur; |
| cur = cur->next; |
| } |
| } |
| |
| return bAdded; |
| } |
| |
| static void |
| _initializeULanguageTag(ULanguageTag* langtag) { |
| int32_t i; |
| |
| langtag->buf = NULL; |
| |
| langtag->language = EMPTY; |
| for (i = 0; i < MAXEXTLANG; i++) { |
| langtag->extlang[i] = NULL; |
| } |
| |
| langtag->script = EMPTY; |
| langtag->region = EMPTY; |
| |
| langtag->variants = NULL; |
| langtag->extensions = NULL; |
| |
| langtag->grandfathered = EMPTY; |
| langtag->privateuse = EMPTY; |
| } |
| |
| #define KEYTYPEDATA "keyTypeData" |
| #define KEYMAP "keyMap" |
| #define TYPEMAP "typeMap" |
| #define TYPEALIAS "typeAlias" |
| #define MAX_BCP47_SUBTAG_LEN 9 /* including null terminator */ |
| #define MAX_LDML_KEY_LEN 22 |
| #define MAX_LDML_TYPE_LEN 32 |
| |
| static int32_t |
| _ldmlKeyToBCP47(const char* key, int32_t keyLen, |
| char* bcpKey, int32_t bcpKeyCapacity, |
| UErrorCode *status) { |
| UResourceBundle *rb; |
| char keyBuf[MAX_LDML_KEY_LEN]; |
| char bcpKeyBuf[MAX_BCP47_SUBTAG_LEN]; |
| int32_t resultLen = 0; |
| int32_t i; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| const UChar *uBcpKey; |
| int32_t bcpKeyLen; |
| |
| if (keyLen < 0) { |
| keyLen = (int32_t)uprv_strlen(key); |
| } |
| |
| if (keyLen >= sizeof(keyBuf)) { |
| /* no known valid LDML key exceeding 21 */ |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| uprv_memcpy(keyBuf, key, keyLen); |
| keyBuf[keyLen] = 0; |
| |
| /* to lower case */ |
| for (i = 0; i < keyLen; i++) { |
| keyBuf[i] = uprv_tolower(keyBuf[i]); |
| } |
| |
| rb = ures_openDirect(NULL, KEYTYPEDATA, status); |
| ures_getByKey(rb, KEYMAP, rb, status); |
| |
| if (U_FAILURE(*status)) { |
| ures_close(rb); |
| return 0; |
| } |
| |
| uBcpKey = ures_getStringByKey(rb, keyBuf, &bcpKeyLen, &tmpStatus); |
| if (U_SUCCESS(tmpStatus)) { |
| u_UCharsToChars(uBcpKey, bcpKeyBuf, bcpKeyLen); |
| bcpKeyBuf[bcpKeyLen] = 0; |
| resultLen = bcpKeyLen; |
| } else { |
| if (_isLDMLKey(key, keyLen)) { |
| uprv_memcpy(bcpKeyBuf, key, keyLen); |
| bcpKeyBuf[keyLen] = 0; |
| resultLen = keyLen; |
| } else { |
| /* mapping not availabe */ |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| } |
| ures_close(rb); |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| uprv_memcpy(bcpKey, bcpKeyBuf, uprv_min(resultLen, bcpKeyCapacity)); |
| return u_terminateChars(bcpKey, bcpKeyCapacity, resultLen, status); |
| } |
| |
| static int32_t |
| _bcp47ToLDMLKey(const char* bcpKey, int32_t bcpKeyLen, |
| char* key, int32_t keyCapacity, |
| UErrorCode *status) { |
| UResourceBundle *rb; |
| char bcpKeyBuf[MAX_BCP47_SUBTAG_LEN]; |
| int32_t resultLen = 0; |
| int32_t i; |
| const char *resKey = NULL; |
| UResourceBundle *mapData; |
| |
| if (bcpKeyLen < 0) { |
| bcpKeyLen = (int32_t)uprv_strlen(bcpKey); |
| } |
| |
| if (bcpKeyLen >= sizeof(bcpKeyBuf)) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| uprv_memcpy(bcpKeyBuf, bcpKey, bcpKeyLen); |
| bcpKeyBuf[bcpKeyLen] = 0; |
| |
| /* to lower case */ |
| for (i = 0; i < bcpKeyLen; i++) { |
| bcpKeyBuf[i] = uprv_tolower(bcpKeyBuf[i]); |
| } |
| |
| rb = ures_openDirect(NULL, KEYTYPEDATA, status); |
| ures_getByKey(rb, KEYMAP, rb, status); |
| if (U_FAILURE(*status)) { |
| ures_close(rb); |
| return 0; |
| } |
| |
| mapData = ures_getNextResource(rb, NULL, status); |
| while (U_SUCCESS(*status)) { |
| const UChar *uBcpKey; |
| char tmpBcpKeyBuf[MAX_BCP47_SUBTAG_LEN]; |
| int32_t tmpBcpKeyLen; |
| |
| uBcpKey = ures_getString(mapData, &tmpBcpKeyLen, status); |
| if (U_FAILURE(*status)) { |
| break; |
| } |
| u_UCharsToChars(uBcpKey, tmpBcpKeyBuf, tmpBcpKeyLen); |
| tmpBcpKeyBuf[tmpBcpKeyLen] = 0; |
| if (uprv_compareInvCharsAsAscii(bcpKeyBuf, tmpBcpKeyBuf) == 0) { |
| /* found a matching BCP47 key */ |
| resKey = ures_getKey(mapData); |
| resultLen = (int32_t)uprv_strlen(resKey); |
| break; |
| } |
| if (!ures_hasNext(rb)) { |
| break; |
| } |
| ures_getNextResource(rb, mapData, status); |
| } |
| ures_close(mapData); |
| ures_close(rb); |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| if (resKey == NULL) { |
| resKey = bcpKeyBuf; |
| resultLen = bcpKeyLen; |
| } |
| |
| uprv_memcpy(key, resKey, uprv_min(resultLen, keyCapacity)); |
| return u_terminateChars(key, keyCapacity, resultLen, status); |
| } |
| |
| static int32_t |
| _ldmlTypeToBCP47(const char* key, int32_t keyLen, |
| const char* type, int32_t typeLen, |
| char* bcpType, int32_t bcpTypeCapacity, |
| UErrorCode *status) { |
| UResourceBundle *rb, *keyTypeData, *typeMapForKey; |
| char keyBuf[MAX_LDML_KEY_LEN]; |
| char typeBuf[MAX_LDML_TYPE_LEN]; |
| char bcpTypeBuf[MAX_BCP47_SUBTAG_LEN]; |
| int32_t resultLen = 0; |
| int32_t i; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| const UChar *uBcpType, *uCanonicalType; |
| int32_t bcpTypeLen, canonicalTypeLen; |
| UBool isTimezone = FALSE; |
| |
| if (keyLen < 0) { |
| keyLen = (int32_t)uprv_strlen(key); |
| } |
| if (keyLen >= sizeof(keyBuf)) { |
| /* no known valid LDML key exceeding 21 */ |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| uprv_memcpy(keyBuf, key, keyLen); |
| keyBuf[keyLen] = 0; |
| |
| /* to lower case */ |
| for (i = 0; i < keyLen; i++) { |
| keyBuf[i] = uprv_tolower(keyBuf[i]); |
| } |
| if (uprv_compareInvCharsAsAscii(keyBuf, "timezone") == 0) { |
| isTimezone = TRUE; |
| } |
| |
| if (typeLen < 0) { |
| typeLen = (int32_t)uprv_strlen(type); |
| } |
| if (typeLen >= sizeof(typeBuf)) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| if (isTimezone) { |
| /* replace '/' with ':' */ |
| for (i = 0; i < typeLen; i++) { |
| if (*(type + i) == '/') { |
| typeBuf[i] = ':'; |
| } else { |
| typeBuf[i] = *(type + i); |
| } |
| } |
| typeBuf[typeLen] = 0; |
| type = &typeBuf[0]; |
| } |
| |
| keyTypeData = ures_openDirect(NULL, KEYTYPEDATA, status); |
| rb = ures_getByKey(keyTypeData, TYPEMAP, NULL, status); |
| if (U_FAILURE(*status)) { |
| ures_close(rb); |
| ures_close(keyTypeData); |
| return 0; |
| } |
| |
| typeMapForKey = ures_getByKey(rb, keyBuf, NULL, &tmpStatus); |
| uBcpType = ures_getStringByKey(typeMapForKey, type, &bcpTypeLen, &tmpStatus); |
| if (U_SUCCESS(tmpStatus)) { |
| u_UCharsToChars(uBcpType, bcpTypeBuf, bcpTypeLen); |
| resultLen = bcpTypeLen; |
| } else if (tmpStatus == U_MISSING_RESOURCE_ERROR) { |
| /* is this type alias? */ |
| tmpStatus = U_ZERO_ERROR; |
| ures_getByKey(keyTypeData, TYPEALIAS, rb, &tmpStatus); |
| ures_getByKey(rb, keyBuf, rb, &tmpStatus); |
| uCanonicalType = ures_getStringByKey(rb, type, &canonicalTypeLen, &tmpStatus); |
| if (U_SUCCESS(tmpStatus)) { |
| u_UCharsToChars(uCanonicalType, typeBuf, canonicalTypeLen); |
| if (isTimezone) { |
| /* replace '/' with ':' */ |
| for (i = 0; i < canonicalTypeLen; i++) { |
| if (typeBuf[i] == '/') { |
| typeBuf[i] = ':'; |
| } |
| } |
| } |
| typeBuf[canonicalTypeLen] = 0; |
| |
| /* look up the canonical type */ |
| uBcpType = ures_getStringByKey(typeMapForKey, typeBuf, &bcpTypeLen, &tmpStatus); |
| if (U_SUCCESS(tmpStatus)) { |
| u_UCharsToChars(uBcpType, bcpTypeBuf, bcpTypeLen); |
| resultLen = bcpTypeLen; |
| } |
| } |
| if (tmpStatus == U_MISSING_RESOURCE_ERROR) { |
| if (_isLDMLType(type, typeLen)) { |
| uprv_memcpy(bcpTypeBuf, type, typeLen); |
| resultLen = typeLen; |
| } else { |
| /* mapping not availabe */ |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| } |
| } else { |
| *status = tmpStatus; |
| } |
| ures_close(rb); |
| ures_close(typeMapForKey); |
| ures_close(keyTypeData); |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| uprv_memcpy(bcpType, bcpTypeBuf, uprv_min(resultLen, bcpTypeCapacity)); |
| return u_terminateChars(bcpType, bcpTypeCapacity, resultLen, status); |
| } |
| |
| static int32_t |
| _bcp47ToLDMLType(const char* key, int32_t keyLen, |
| const char* bcpType, int32_t bcpTypeLen, |
| char* type, int32_t typeCapacity, |
| UErrorCode *status) { |
| UResourceBundle *rb; |
| char keyBuf[MAX_LDML_KEY_LEN]; |
| char bcpTypeBuf[MAX_BCP47_SUBTAG_LEN]; |
| int32_t resultLen = 0; |
| int32_t i; |
| const char *resType = NULL; |
| UResourceBundle *mapData; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| int32_t copyLen; |
| |
| if (keyLen < 0) { |
| keyLen = (int32_t)uprv_strlen(key); |
| } |
| |
| if (keyLen >= sizeof(keyBuf)) { |
| /* no known valid LDML key exceeding 21 */ |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| uprv_memcpy(keyBuf, key, keyLen); |
| keyBuf[keyLen] = 0; |
| |
| /* to lower case */ |
| for (i = 0; i < keyLen; i++) { |
| keyBuf[i] = uprv_tolower(keyBuf[i]); |
| } |
| |
| |
| if (bcpTypeLen < 0) { |
| bcpTypeLen = (int32_t)uprv_strlen(bcpType); |
| } |
| |
| if (bcpTypeLen >= sizeof(bcpTypeBuf)) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| |
| uprv_memcpy(bcpTypeBuf, bcpType, bcpTypeLen); |
| bcpTypeBuf[bcpTypeLen] = 0; |
| |
| /* to lower case */ |
| for (i = 0; i < bcpTypeLen; i++) { |
| bcpTypeBuf[i] = uprv_tolower(bcpTypeBuf[i]); |
| } |
| |
| rb = ures_openDirect(NULL, KEYTYPEDATA, status); |
| ures_getByKey(rb, TYPEMAP, rb, status); |
| if (U_FAILURE(*status)) { |
| ures_close(rb); |
| return 0; |
| } |
| |
| ures_getByKey(rb, keyBuf, rb, &tmpStatus); |
| mapData = ures_getNextResource(rb, NULL, &tmpStatus); |
| while (U_SUCCESS(tmpStatus)) { |
| const UChar *uBcpType; |
| char tmpBcpTypeBuf[MAX_BCP47_SUBTAG_LEN]; |
| int32_t tmpBcpTypeLen; |
| |
| uBcpType = ures_getString(mapData, &tmpBcpTypeLen, &tmpStatus); |
| if (U_FAILURE(tmpStatus)) { |
| break; |
| } |
| u_UCharsToChars(uBcpType, tmpBcpTypeBuf, tmpBcpTypeLen); |
| tmpBcpTypeBuf[tmpBcpTypeLen] = 0; |
| if (uprv_compareInvCharsAsAscii(bcpTypeBuf, tmpBcpTypeBuf) == 0) { |
| /* found a matching BCP47 type */ |
| resType = ures_getKey(mapData); |
| resultLen = (int32_t)uprv_strlen(resType); |
| break; |
| } |
| if (!ures_hasNext(rb)) { |
| break; |
| } |
| ures_getNextResource(rb, mapData, &tmpStatus); |
| } |
| ures_close(mapData); |
| ures_close(rb); |
| |
| if (U_FAILURE(tmpStatus) && tmpStatus != U_MISSING_RESOURCE_ERROR) { |
| *status = tmpStatus; |
| return 0; |
| } |
| |
| if (resType == NULL) { |
| resType = bcpTypeBuf; |
| resultLen = bcpTypeLen; |
| } |
| |
| copyLen = uprv_min(resultLen, typeCapacity); |
| uprv_memcpy(type, resType, copyLen); |
| |
| if (uprv_compareInvCharsAsAscii(keyBuf, "timezone") == 0) { |
| for (i = 0; i < copyLen; i++) { |
| if (*(type + i) == ':') { |
| *(type + i) = '/'; |
| } |
| } |
| } |
| |
| return u_terminateChars(type, typeCapacity, resultLen, status); |
| } |
| |
| static int32_t |
| _appendLanguageToLanguageTag(const char* localeID, char* appendAt, int32_t capacity, UBool strict, UErrorCode* status) { |
| char buf[ULOC_LANG_CAPACITY]; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| int32_t len, i; |
| int32_t reslen = 0; |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| len = uloc_getLanguage(localeID, buf, sizeof(buf), &tmpStatus); |
| if (U_FAILURE(tmpStatus) || tmpStatus == U_STRING_NOT_TERMINATED_WARNING) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| len = 0; |
| } |
| |
| /* Note: returned language code is in lower case letters */ |
| |
| if (len == 0) { |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, LANG_UND, uprv_min(LANG_UND_LEN, capacity - reslen)); |
| } |
| reslen += LANG_UND_LEN; |
| } else if (!_isLanguageSubtag(buf, len)) { |
| /* invalid language code */ |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, LANG_UND, uprv_min(LANG_UND_LEN, capacity - reslen)); |
| } |
| reslen += LANG_UND_LEN; |
| } else { |
| /* resolve deprecated */ |
| for (i = 0; DEPRECATEDLANGS[i] != NULL; i += 2) { |
| if (uprv_compareInvCharsAsAscii(buf, DEPRECATEDLANGS[i]) == 0) { |
| uprv_strcpy(buf, DEPRECATEDLANGS[i + 1]); |
| len = (int32_t)uprv_strlen(buf); |
| break; |
| } |
| } |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, buf, uprv_min(len, capacity - reslen)); |
| } |
| reslen += len; |
| } |
| u_terminateChars(appendAt, capacity, reslen, status); |
| return reslen; |
| } |
| |
| static int32_t |
| _appendScriptToLanguageTag(const char* localeID, char* appendAt, int32_t capacity, UBool strict, UErrorCode* status) { |
| char buf[ULOC_SCRIPT_CAPACITY]; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| int32_t len; |
| int32_t reslen = 0; |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| len = uloc_getScript(localeID, buf, sizeof(buf), &tmpStatus); |
| if (U_FAILURE(tmpStatus) || tmpStatus == U_STRING_NOT_TERMINATED_WARNING) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| return 0; |
| } |
| |
| if (len > 0) { |
| if (!_isScriptSubtag(buf, len)) { |
| /* invalid script code */ |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| return 0; |
| } else { |
| if (reslen < capacity) { |
| *(appendAt + reslen) = SEP; |
| } |
| reslen++; |
| |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, buf, uprv_min(len, capacity - reslen)); |
| } |
| reslen += len; |
| } |
| } |
| u_terminateChars(appendAt, capacity, reslen, status); |
| return reslen; |
| } |
| |
| static int32_t |
| _appendRegionToLanguageTag(const char* localeID, char* appendAt, int32_t capacity, UBool strict, UErrorCode* status) { |
| char buf[ULOC_COUNTRY_CAPACITY]; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| int32_t len; |
| int32_t reslen = 0; |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| len = uloc_getCountry(localeID, buf, sizeof(buf), &tmpStatus); |
| if (U_FAILURE(tmpStatus) || tmpStatus == U_STRING_NOT_TERMINATED_WARNING) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| return 0; |
| } |
| |
| if (len > 0) { |
| if (!_isRegionSubtag(buf, len)) { |
| /* invalid region code */ |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| return 0; |
| } else { |
| if (reslen < capacity) { |
| *(appendAt + reslen) = SEP; |
| } |
| reslen++; |
| |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, buf, uprv_min(len, capacity - reslen)); |
| } |
| reslen += len; |
| } |
| } |
| u_terminateChars(appendAt, capacity, reslen, status); |
| return reslen; |
| } |
| |
| static int32_t |
| _appendVariantsToLanguageTag(const char* localeID, char* appendAt, int32_t capacity, UBool strict, UErrorCode* status) { |
| char buf[ULOC_FULLNAME_CAPACITY]; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| int32_t len, i; |
| int32_t reslen = 0; |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| len = uloc_getVariant(localeID, buf, sizeof(buf), &tmpStatus); |
| if (U_FAILURE(tmpStatus) || tmpStatus == U_STRING_NOT_TERMINATED_WARNING) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| return 0; |
| } |
| |
| if (len > 0) { |
| char *p, *pVar; |
| UBool bNext = TRUE; |
| VariantListEntry *var; |
| VariantListEntry *varFirst = NULL; |
| |
| pVar = NULL; |
| p = buf; |
| while (bNext) { |
| if (*p == SEP || *p == LOCALE_SEP || *p == 0) { |
| if (*p == 0) { |
| bNext = FALSE; |
| } else { |
| *p = 0; /* terminate */ |
| } |
| if (pVar == NULL) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| /* ignore empty variant */ |
| } else { |
| /* ICU uses upper case letters for variants, but |
| the canonical format is lowercase in BCP47 */ |
| for (i = 0; *(pVar + i) != 0; i++) { |
| *(pVar + i) = uprv_tolower(*(pVar + i)); |
| } |
| |
| /* validate */ |
| if (_isVariantSubtag(pVar, -1)) { |
| /* emit the variant to the list */ |
| var = uprv_malloc(sizeof(VariantListEntry)); |
| if (var == NULL) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| break; |
| } |
| var->variant = pVar; |
| if (!_addVariantToList(&varFirst, var)) { |
| /* duplicated variant */ |
| uprv_free(var); |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| } |
| } else if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| } |
| /* reset variant starting position */ |
| pVar = NULL; |
| } else if (pVar == NULL) { |
| pVar = p; |
| } |
| p++; |
| } |
| |
| if (U_SUCCESS(*status)) { |
| if (varFirst != NULL) { |
| int32_t varLen; |
| |
| /* write out sorted/validated/normalized variants to the target */ |
| var = varFirst; |
| while (var != NULL) { |
| if (reslen < capacity) { |
| *(appendAt + reslen) = SEP; |
| } |
| reslen++; |
| varLen = (int32_t)uprv_strlen(var->variant); |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, var->variant, uprv_min(varLen, capacity - reslen)); |
| } |
| reslen += varLen; |
| var = var->next; |
| } |
| } |
| } |
| |
| /* clean up */ |
| var = varFirst; |
| while (var != NULL) { |
| VariantListEntry *tmpVar = var->next; |
| uprv_free(var); |
| var = tmpVar; |
| } |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| } |
| |
| u_terminateChars(appendAt, capacity, reslen, status); |
| return reslen; |
| } |
| |
| static int32_t |
| _appendKeywordsToLanguageTag(const char* localeID, char* appendAt, int32_t capacity, UBool strict, UErrorCode* status) { |
| char buf[ULOC_KEYWORD_AND_VALUES_CAPACITY]; |
| UEnumeration *keywordEnum = NULL; |
| int32_t reslen = 0; |
| |
| keywordEnum = uloc_openKeywords(localeID, status); |
| if (U_FAILURE(*status)) { |
| uenum_close(keywordEnum); |
| return 0; |
| } |
| if (keywordEnum != NULL) { |
| /* reorder extensions */ |
| int32_t len; |
| const char *key; |
| ExtensionListEntry *firstExt = NULL; |
| ExtensionListEntry *ext; |
| char extBuf[ULOC_KEYWORD_AND_VALUES_CAPACITY]; |
| char *pExtBuf = extBuf; |
| int32_t extBufCapacity = sizeof(extBuf); |
| const char *bcpKey, *bcpValue; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| int32_t keylen; |
| UBool isLDMLKeyword; |
| |
| while (TRUE) { |
| key = uenum_next(keywordEnum, NULL, status); |
| if (key == NULL) { |
| break; |
| } |
| len = uloc_getKeywordValue(localeID, key, buf, sizeof(buf), &tmpStatus); |
| if (U_FAILURE(tmpStatus)) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| /* ignore this keyword */ |
| tmpStatus = U_ZERO_ERROR; |
| continue; |
| } |
| |
| keylen = (int32_t)uprv_strlen(key); |
| isLDMLKeyword = (keylen > 1); |
| |
| if (isLDMLKeyword) { |
| int32_t modKeyLen; |
| |
| /* transform key and value to bcp47 style */ |
| modKeyLen = _ldmlKeyToBCP47(key, keylen, pExtBuf, extBufCapacity, &tmpStatus); |
| if (U_FAILURE(tmpStatus) || tmpStatus == U_STRING_NOT_TERMINATED_WARNING) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| tmpStatus = U_ZERO_ERROR; |
| continue; |
| } |
| |
| bcpKey = pExtBuf; |
| pExtBuf += (modKeyLen + 1); |
| extBufCapacity -= (modKeyLen + 1); |
| |
| len = _ldmlTypeToBCP47(key, keylen, buf, len, pExtBuf, extBufCapacity, &tmpStatus); |
| if (U_FAILURE(tmpStatus) || tmpStatus == U_STRING_NOT_TERMINATED_WARNING) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| tmpStatus = U_ZERO_ERROR; |
| continue; |
| } |
| bcpValue = pExtBuf; |
| pExtBuf += (len + 1); |
| extBufCapacity -= (len + 1); |
| } else { |
| if (*key == PRIVATEUSE) { |
| if (!_isPrivateuseValueSubtags(buf, len)) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| continue; |
| } |
| } else { |
| if (!_isExtensionSingleton(key, keylen) || !_isExtensionSubtags(buf, len)) { |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| continue; |
| } |
| } |
| bcpKey = key; |
| if ((len + 1) < extBufCapacity) { |
| uprv_memcpy(pExtBuf, buf, len); |
| bcpValue = pExtBuf; |
| |
| pExtBuf += len; |
| |
| *pExtBuf = 0; |
| pExtBuf++; |
| |
| extBufCapacity -= (len + 1); |
| } else { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| } |
| |
| /* create ExtensionListEntry */ |
| ext = uprv_malloc(sizeof(ExtensionListEntry)); |
| if (ext == NULL) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| break; |
| } |
| ext->key = bcpKey; |
| ext->value = bcpValue; |
| |
| if (!_addExtensionToList(&firstExt, ext, TRUE)) { |
| uprv_free(ext); |
| if (strict) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| } |
| } |
| if (U_SUCCESS(*status) && (firstExt != NULL)) { |
| UBool startLDMLExtension = FALSE; |
| |
| /* write out the sorted BCP47 extensions and private use */ |
| ext = firstExt; |
| while (ext != NULL) { |
| if ((int32_t)uprv_strlen(ext->key) > 1 && !startLDMLExtension) { |
| /* write LDML singleton extension */ |
| if (reslen < capacity) { |
| *(appendAt + reslen) = SEP; |
| } |
| reslen++; |
| if (reslen < capacity) { |
| *(appendAt + reslen) = LDMLEXT; |
| } |
| reslen++; |
| startLDMLExtension = TRUE; |
| } |
| |
| if (reslen < capacity) { |
| *(appendAt + reslen) = SEP; |
| } |
| reslen++; |
| len = (int32_t)uprv_strlen(ext->key); |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, ext->key, uprv_min(len, capacity - reslen)); |
| } |
| reslen += len; |
| if (reslen < capacity) { |
| *(appendAt + reslen) = SEP; |
| } |
| reslen++; |
| len = (int32_t)uprv_strlen(ext->value); |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, ext->value, uprv_min(len, capacity - reslen)); |
| } |
| reslen += len; |
| |
| ext = ext->next; |
| } |
| } |
| /* clean up */ |
| ext = firstExt; |
| while (ext != NULL) { |
| ExtensionListEntry *tmpExt = ext->next; |
| uprv_free(ext); |
| ext = tmpExt; |
| } |
| |
| uenum_close(keywordEnum); |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| } |
| |
| return u_terminateChars(appendAt, capacity, reslen, status); |
| } |
| |
| /** |
| * Append keywords parsed from LDML extension value |
| * e.g. "u-ca-gregory-co-trad" -> {calendar = gregorian} {collation = traditional} |
| * Note: char* buf is used for storing keywords |
| */ |
| static void |
| _appendLDMLExtensionAsKeywords(const char* ldmlext, ExtensionListEntry** appendTo, char* buf, int32_t bufSize, UErrorCode *status) { |
| const char *p, *pNext, *pSep; |
| const char *pBcpKey, *pBcpType; |
| const char *pKey, *pType; |
| int32_t bcpKeyLen = 0, bcpTypeLen; |
| ExtensionListEntry *kwd, *nextKwd; |
| ExtensionListEntry *kwdFirst = NULL; |
| int32_t bufIdx = 0; |
| int32_t len; |
| |
| pNext = ldmlext; |
| pBcpKey = pBcpType = NULL; |
| while (pNext) { |
| p = pSep = pNext; |
| |
| /* locate next separator char */ |
| while (*pSep) { |
| if (*pSep == SEP) { |
| break; |
| } |
| pSep++; |
| } |
| if (*pSep == 0) { |
| /* last subtag */ |
| pNext = NULL; |
| } else { |
| pNext = pSep + 1; |
| } |
| |
| if (pBcpKey == NULL) { |
| pBcpKey = p; |
| bcpKeyLen = (int32_t)(pSep - p); |
| } else { |
| pBcpType = p; |
| bcpTypeLen = (int32_t)(pSep - p); |
| |
| /* BCP key to locale key */ |
| len = _bcp47ToLDMLKey(pBcpKey, bcpKeyLen, buf + bufIdx, bufSize - bufIdx - 1, status); |
| if (U_FAILURE(*status)) { |
| goto cleanup; |
| } |
| pKey = buf + bufIdx; |
| bufIdx += len; |
| *(buf + bufIdx) = 0; |
| bufIdx++; |
| |
| /* BCP type to locale type */ |
| len = _bcp47ToLDMLType(pKey, -1, pBcpType, bcpTypeLen, buf + bufIdx, bufSize - bufIdx - 1, status); |
| if (U_FAILURE(*status)) { |
| goto cleanup; |
| } |
| pType = buf + bufIdx; |
| bufIdx += len; |
| *(buf + bufIdx) = 0; |
| bufIdx++; |
| |
| /* create an ExtensionListEntry for this keyword */ |
| kwd = uprv_malloc(sizeof(ExtensionListEntry)); |
| if (kwd == NULL) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| goto cleanup; |
| } |
| |
| kwd->key = pKey; |
| kwd->value = pType; |
| |
| if (!_addExtensionToList(&kwdFirst, kwd, FALSE)) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| uprv_free(kwd); |
| goto cleanup; |
| } |
| |
| /* for next pair */ |
| pBcpKey = NULL; |
| pBcpType = NULL; |
| } |
| } |
| |
| if (pBcpKey != NULL) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| goto cleanup; |
| } |
| |
| kwd = kwdFirst; |
| while (kwd != NULL) { |
| nextKwd = kwd->next; |
| _addExtensionToList(appendTo, kwd, FALSE); |
| kwd = nextKwd; |
| } |
| |
| return; |
| |
| cleanup: |
| kwd = kwdFirst; |
| while (kwd != NULL) { |
| nextKwd = kwd->next; |
| uprv_free(kwd); |
| kwd = nextKwd; |
| } |
| } |
| |
| |
| static int32_t |
| _appendKeywords(ULanguageTag* langtag, char* appendAt, int32_t capacity, UErrorCode* status) { |
| int32_t reslen = 0; |
| int32_t i, n; |
| int32_t len; |
| ExtensionListEntry *kwdFirst = NULL; |
| ExtensionListEntry *kwd; |
| const char *key, *type; |
| char kwdBuf[ULOC_KEYWORDS_CAPACITY]; |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| n = ultag_getExtensionsSize(langtag); |
| |
| /* resolve locale keywords and reordering keys */ |
| for (i = 0; i < n; i++) { |
| key = ultag_getExtensionKey(langtag, i); |
| type = ultag_getExtensionValue(langtag, i); |
| if (*key == LDMLEXT) { |
| _appendLDMLExtensionAsKeywords(type, &kwdFirst, kwdBuf, sizeof(kwdBuf), status); |
| if (U_FAILURE(*status)) { |
| break; |
| } |
| } else { |
| kwd = uprv_malloc(sizeof(ExtensionListEntry)); |
| if (kwd == NULL) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| break; |
| } |
| kwd->key = key; |
| kwd->value = type; |
| if (!_addExtensionToList(&kwdFirst, kwd, FALSE)) { |
| uprv_free(kwd); |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| } |
| } |
| |
| if (U_SUCCESS(*status)) { |
| type = ultag_getPrivateUse(langtag); |
| if ((int32_t)uprv_strlen(type) > 0) { |
| /* add private use as a keyword */ |
| kwd = uprv_malloc(sizeof(ExtensionListEntry)); |
| if (kwd == NULL) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| } else { |
| kwd->key = PRIVATEUSE_KEY; |
| kwd->value = type; |
| if (!_addExtensionToList(&kwdFirst, kwd, FALSE)) { |
| uprv_free(kwd); |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| } |
| } |
| } |
| |
| if (U_SUCCESS(*status) && kwdFirst != NULL) { |
| /* write out the sorted keywords */ |
| kwd = kwdFirst; |
| while (kwd != NULL) { |
| if (reslen < capacity) { |
| if (kwd == kwdFirst) { |
| /* '@' */ |
| *(appendAt + reslen) = LOCALE_EXT_SEP; |
| } else { |
| /* ';' */ |
| *(appendAt + reslen) = LOCALE_KEYWORD_SEP; |
| } |
| } |
| reslen++; |
| |
| /* key */ |
| len = (int32_t)uprv_strlen(kwd->key); |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, kwd->key, uprv_min(len, capacity - reslen)); |
| } |
| reslen += len; |
| |
| /* '=' */ |
| if (reslen < capacity) { |
| *(appendAt + reslen) = LOCALE_KEY_TYPE_SEP; |
| } |
| reslen++; |
| |
| /* type */ |
| len = (int32_t)uprv_strlen(kwd->value); |
| if (reslen < capacity) { |
| uprv_memcpy(appendAt + reslen, kwd->value, uprv_min(len, capacity - reslen)); |
| } |
| reslen += len; |
| |
| kwd = kwd->next; |
| } |
| } |
| |
| /* clean up */ |
| kwd = kwdFirst; |
| while (kwd != NULL) { |
| ExtensionListEntry *tmpKwd = kwd->next; |
| uprv_free(kwd); |
| kwd = tmpKwd; |
| } |
| |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| return u_terminateChars(appendAt, capacity, reslen, status); |
| } |
| |
| /* |
| * ------------------------------------------------- |
| * |
| * ultag_ functions |
| * |
| * ------------------------------------------------- |
| */ |
| |
| /* Bit flags used by the parser */ |
| #define LANG 0x0001 |
| #define EXTL 0x0002 |
| #define SCRT 0x0004 |
| #define REGN 0x0008 |
| #define VART 0x0010 |
| #define EXTS 0x0020 |
| #define EXTV 0x0040 |
| #define PRIV 0x0080 |
| |
| static ULanguageTag* |
| ultag_parse(const char* tag, int32_t tagLen, int32_t* parsedLen, UErrorCode* status) { |
| ULanguageTag *t; |
| char *tagBuf; |
| int16_t next; |
| char *pSubtag, *pNext, *pLastGoodPosition; |
| int32_t subtagLen; |
| int32_t extlangIdx; |
| ExtensionListEntry *pExtension; |
| char *pExtValueSubtag, *pExtValueSubtagEnd; |
| int32_t i; |
| UBool isLDMLExtension, reqLDMLType; |
| |
| if (parsedLen != NULL) { |
| *parsedLen = 0; |
| } |
| |
| if (U_FAILURE(*status)) { |
| return NULL; |
| } |
| |
| if (tagLen < 0) { |
| tagLen = (int32_t)uprv_strlen(tag); |
| } |
| |
| /* copy the entire string */ |
| tagBuf = (char*)uprv_malloc(tagLen + 1); |
| if (tagBuf == NULL) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return NULL; |
| } |
| uprv_memcpy(tagBuf, tag, tagLen); |
| *(tagBuf + tagLen) = 0; |
| |
| /* create a ULanguageTag */ |
| t = (ULanguageTag*)uprv_malloc(sizeof(ULanguageTag)); |
| _initializeULanguageTag(t); |
| t->buf = tagBuf; |
| if (t == NULL) { |
| uprv_free(tagBuf); |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return NULL; |
| } |
| |
| if (tagLen < MINLEN) { |
| /* the input tag is too short - return empty ULanguageTag */ |
| return t; |
| } |
| |
| /* check if the tag is grandfathered */ |
| for (i = 0; GRANDFATHERED[i] != NULL; i += 2) { |
| if (T_CString_stricmp(GRANDFATHERED[i], tagBuf) == 0) { |
| /* a grandfathered tag is always longer than its preferred mapping */ |
| uprv_strcpy(t->buf, GRANDFATHERED[i + 1]); |
| t->language = t->buf; |
| if (parsedLen != NULL) { |
| *parsedLen = tagLen; |
| } |
| return t; |
| } |
| } |
| |
| /* |
| * langtag = language |
| * ["-" script] |
| * ["-" region] |
| * *("-" variant) |
| * *("-" extension) |
| * ["-" privateuse] |
| */ |
| |
| next = LANG | PRIV; |
| pNext = pLastGoodPosition = tagBuf; |
| extlangIdx = 0; |
| pExtension = NULL; |
| pExtValueSubtag = NULL; |
| pExtValueSubtagEnd = NULL; |
| isLDMLExtension = FALSE; |
| reqLDMLType = FALSE; |
| |
| while (pNext) { |
| char *pSep; |
| |
| pSubtag = pNext; |
| |
| /* locate next separator char */ |
| pSep = pSubtag; |
| while (*pSep) { |
| if (*pSep == SEP) { |
| break; |
| } |
| pSep++; |
| } |
| if (*pSep == 0) { |
| /* last subtag */ |
| pNext = NULL; |
| } else { |
| pNext = pSep + 1; |
| } |
| subtagLen = (int32_t)(pSep - pSubtag); |
| |
| if (next & LANG) { |
| if (_isLanguageSubtag(pSubtag, subtagLen)) { |
| *pSep = 0; /* terminate */ |
| t->language = T_CString_toLowerCase(pSubtag); |
| |
| pLastGoodPosition = pSep; |
| next = EXTL | SCRT | REGN | VART | EXTS | PRIV; |
| continue; |
| } |
| } |
| if (next & EXTL) { |
| if (_isExtlangSubtag(pSubtag, subtagLen)) { |
| *pSep = 0; |
| t->extlang[extlangIdx++] = T_CString_toLowerCase(pSubtag); |
| |
| pLastGoodPosition = pSep; |
| if (extlangIdx < 3) { |
| next = EXTL | SCRT | REGN | VART | EXTS | PRIV; |
| } else { |
| next = SCRT | REGN | VART | EXTS | PRIV; |
| } |
| continue; |
| } |
| } |
| if (next & SCRT) { |
| if (_isScriptSubtag(pSubtag, subtagLen)) { |
| char *p = pSubtag; |
| |
| *pSep = 0; |
| |
| /* to title case */ |
| *p = uprv_toupper(*p); |
| p++; |
| for (; *p; p++) { |
| *p = uprv_tolower(*p); |
| } |
| |
| t->script = pSubtag; |
| |
| pLastGoodPosition = pSep; |
| next = REGN | VART | EXTS | PRIV; |
| continue; |
| } |
| } |
| if (next & REGN) { |
| if (_isRegionSubtag(pSubtag, subtagLen)) { |
| *pSep = 0; |
| t->region = T_CString_toUpperCase(pSubtag); |
| |
| pLastGoodPosition = pSep; |
| next = VART | EXTS | PRIV; |
| continue; |
| } |
| } |
| if (next & VART) { |
| if (_isVariantSubtag(pSubtag, subtagLen)) { |
| VariantListEntry *var; |
| UBool isAdded; |
| |
| var = (VariantListEntry*)uprv_malloc(sizeof(VariantListEntry)); |
| if (var == NULL) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| goto error; |
| } |
| *pSep = 0; |
| var->variant = T_CString_toUpperCase(pSubtag); |
| isAdded = _addVariantToList(&(t->variants), var); |
| if (!isAdded) { |
| /* duplicated variant entry */ |
| uprv_free(var); |
| break; |
| } |
| pLastGoodPosition = pSep; |
| next = VART | EXTS | PRIV; |
| continue; |
| } |
| } |
| if (next & EXTS) { |
| if (_isExtensionSingleton(pSubtag, subtagLen)) { |
| if (pExtension != NULL) { |
| if (pExtValueSubtag == NULL || pExtValueSubtagEnd == NULL) { |
| /* the previous extension is incomplete */ |
| uprv_free(pExtension); |
| pExtension = NULL; |
| break; |
| } |
| |
| /* terminate the previous extension value */ |
| *pExtValueSubtagEnd = 0; |
| pExtension->value = T_CString_toLowerCase(pExtValueSubtag); |
| |
| /* insert the extension to the list */ |
| if (_addExtensionToList(&(t->extensions), pExtension, FALSE)) { |
| pLastGoodPosition = pExtValueSubtagEnd; |
| } else { |
| /* stop parsing here */ |
| uprv_free(pExtension); |
| pExtension = NULL; |
| break; |
| } |
| |
| if (isLDMLExtension && reqLDMLType) { |
| /* incomplete LDML extension key and type pair */ |
| pExtension = NULL; |
| break; |
| } |
| } |
| |
| isLDMLExtension = (uprv_tolower(*pSubtag) == LDMLEXT); |
| |
| /* create a new extension */ |
| pExtension = uprv_malloc(sizeof(ExtensionListEntry)); |
| if (pExtension == NULL) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| goto error; |
| } |
| *pSep = 0; |
| pExtension->key = T_CString_toLowerCase(pSubtag); |
| pExtension->value = NULL; /* will be set later */ |
| |
| /* |
| * reset the start and the end location of extension value |
| * subtags for this extension |
| */ |
| pExtValueSubtag = NULL; |
| pExtValueSubtagEnd = NULL; |
| |
| next = EXTV; |
| continue; |
| } |
| } |
| if (next & EXTV) { |
| if (_isExtensionSubtag(pSubtag, subtagLen)) { |
| if (isLDMLExtension) { |
| if (reqLDMLType) { |
| /* already saw an LDML key */ |
| if (!_isLDMLType(pSubtag, subtagLen)) { |
| /* stop parsing here and let the valid LDML extension key/type |
| pairs processed by the code out of this while loop */ |
| break; |
| } |
| pExtValueSubtagEnd = pSep; |
| reqLDMLType = FALSE; |
| next = EXTS | EXTV | PRIV; |
| } else { |
| /* LDML key */ |
| if (!_isLDMLKey(pSubtag, subtagLen)) { |
| /* stop parsing here and let the valid LDML extension key/type |
| pairs processed by the code out of this while loop */ |
| break; |
| } |
| reqLDMLType = TRUE; |
| next = EXTV; |
| } |
| } else { |
| /* Mark the end of this subtag */ |
| pExtValueSubtagEnd = pSep; |
| next = EXTS | EXTV | PRIV; |
| } |
| |
| if (pExtValueSubtag == NULL) { |
| /* if the start postion of this extension's value is not yet, |
| this one is the first value subtag */ |
| pExtValueSubtag = pSubtag; |
| } |
| continue; |
| } |
| } |
| if (next & PRIV) { |
| if (uprv_tolower(*pSubtag) == PRIVATEUSE) { |
| char *pPrivuseVal; |
| |
| if (pExtension != NULL) { |
| /* Process the last extension */ |
| if (pExtValueSubtag == NULL || pExtValueSubtagEnd == NULL) { |
| /* the previous extension is incomplete */ |
| uprv_free(pExtension); |
| pExtension = NULL; |
| break; |
| } else { |
| /* terminate the previous extension value */ |
| *pExtValueSubtagEnd = 0; |
| pExtension->value = T_CString_toLowerCase(pExtValueSubtag); |
| |
| /* insert the extension to the list */ |
| if (_addExtensionToList(&(t->extensions), pExtension, FALSE)) { |
| pLastGoodPosition = pExtValueSubtagEnd; |
| pExtension = NULL; |
| } else { |
| /* stop parsing here */ |
| uprv_free(pExtension); |
| pExtension = NULL; |
| break; |
| } |
| } |
| } |
| |
| /* The rest of part will be private use value subtags */ |
| if (pNext == NULL) { |
| /* empty private use subtag */ |
| break; |
| } |
| /* back up the private use value start position */ |
| pPrivuseVal = pNext; |
| |
| /* validate private use value subtags */ |
| while (pNext) { |
| pSubtag = pNext; |
| pSep = pSubtag; |
| while (*pSep) { |
| if (*pSep == SEP) { |
| break; |
| } |
| pSep++; |
| } |
| if (*pSep == 0) { |
| /* last subtag */ |
| pNext = NULL; |
| } else { |
| pNext = pSep + 1; |
| } |
| subtagLen = (int32_t)(pSep - pSubtag); |
| |
| if (_isPrivateuseValueSubtag(pSubtag, subtagLen)) { |
| pLastGoodPosition = pSep; |
| } else { |
| break; |
| } |
| } |
| if (pLastGoodPosition - pPrivuseVal > 0) { |
| *pLastGoodPosition = 0; |
| t->privateuse = T_CString_toLowerCase(pPrivuseVal); |
| } |
| /* No more subtags, exiting the parse loop */ |
| break; |
| } |
| break; |
| } |
| /* If we fell through here, it means this subtag is illegal - quit parsing */ |
| break; |
| } |
| |
| if (pExtension != NULL) { |
| /* Process the last extension */ |
| if (pExtValueSubtag == NULL || pExtValueSubtagEnd == NULL) { |
| /* the previous extension is incomplete */ |
| uprv_free(pExtension); |
| } else { |
| /* terminate the previous extension value */ |
| *pExtValueSubtagEnd = 0; |
| pExtension->value = T_CString_toLowerCase(pExtValueSubtag); |
| /* insert the extension to the list */ |
| if (_addExtensionToList(&(t->extensions), pExtension, FALSE)) { |
| pLastGoodPosition = pExtValueSubtagEnd; |
| } else { |
| uprv_free(pExtension); |
| } |
| } |
| } |
| |
| if (parsedLen != NULL) { |
| *parsedLen = (int32_t)(pLastGoodPosition - t->buf); |
| } |
| |
| return t; |
| |
| error: |
| uprv_free(t); |
| return NULL; |
| } |
| |
| static void |
| ultag_close(ULanguageTag* langtag) { |
| |
| if (langtag == NULL) { |
| return; |
| } |
| |
| uprv_free(langtag->buf); |
| |
| if (langtag->variants) { |
| VariantListEntry *curVar = langtag->variants; |
| while (curVar) { |
| VariantListEntry *nextVar = curVar->next; |
| uprv_free(curVar); |
| curVar = nextVar; |
| } |
| } |
| |
| if (langtag->extensions) { |
| ExtensionListEntry *curExt = langtag->extensions; |
| while (curExt) { |
| ExtensionListEntry *nextExt = curExt->next; |
| uprv_free(curExt); |
| curExt = nextExt; |
| } |
| } |
| |
| uprv_free(langtag); |
| } |
| |
| static const char* |
| ultag_getLanguage(const ULanguageTag* langtag) { |
| return langtag->language; |
| } |
| |
| #if 0 |
| static const char* |
| ultag_getJDKLanguage(const ULanguageTag* langtag) { |
| int32_t i; |
| for (i = 0; DEPRECATEDLANGS[i] != NULL; i += 2) { |
| if (uprv_compareInvCharsAsAscii(DEPRECATEDLANGS[i], langtag->language) == 0) { |
| return DEPRECATEDLANGS[i + 1]; |
| } |
| } |
| return langtag->language; |
| } |
| #endif |
| |
| static const char* |
| ultag_getExtlang(const ULanguageTag* langtag, int32_t idx) { |
| if (idx >= 0 && idx < MAXEXTLANG) { |
| return langtag->extlang[idx]; |
| } |
| return NULL; |
| } |
| |
| static int32_t |
| ultag_getExtlangSize(const ULanguageTag* langtag) { |
| int32_t size = 0; |
| int32_t i; |
| for (i = 0; i < MAXEXTLANG; i++) { |
| if (langtag->extlang[i]) { |
| size++; |
| } |
| } |
| return size; |
| } |
| |
| static const char* |
| ultag_getScript(const ULanguageTag* langtag) { |
| return langtag->script; |
| } |
| |
| static const char* |
| ultag_getRegion(const ULanguageTag* langtag) { |
| return langtag->region; |
| } |
| |
| static const char* |
| ultag_getVariant(const ULanguageTag* langtag, int32_t idx) { |
| const char *var = NULL; |
| VariantListEntry *cur = langtag->variants; |
| int32_t i = 0; |
| while (cur) { |
| if (i == idx) { |
| var = cur->variant; |
| break; |
| } |
| cur = cur->next; |
| i++; |
| } |
| return var; |
| } |
| |
| static int32_t |
| ultag_getVariantsSize(const ULanguageTag* langtag) { |
| int32_t size = 0; |
| VariantListEntry *cur = langtag->variants; |
| while (TRUE) { |
| if (cur == NULL) { |
| break; |
| } |
| size++; |
| cur = cur->next; |
| } |
| return size; |
| } |
| |
| static const char* |
| ultag_getExtensionKey(const ULanguageTag* langtag, int32_t idx) { |
| const char *key = NULL; |
| ExtensionListEntry *cur = langtag->extensions; |
| int32_t i = 0; |
| while (cur) { |
| if (i == idx) { |
| key = cur->key; |
| break; |
| } |
| cur = cur->next; |
| i++; |
| } |
| return key; |
| } |
| |
| static const char* |
| ultag_getExtensionValue(const ULanguageTag* langtag, int32_t idx) { |
| const char *val = NULL; |
| ExtensionListEntry *cur = langtag->extensions; |
| int32_t i = 0; |
| while (cur) { |
| if (i == idx) { |
| val = cur->value; |
| break; |
| } |
| cur = cur->next; |
| i++; |
| } |
| return val; |
| } |
| |
| static int32_t |
| ultag_getExtensionsSize(const ULanguageTag* langtag) { |
| int32_t size = 0; |
| ExtensionListEntry *cur = langtag->extensions; |
| while (TRUE) { |
| if (cur == NULL) { |
| break; |
| } |
| size++; |
| cur = cur->next; |
| } |
| return size; |
| } |
| |
| static const char* |
| ultag_getPrivateUse(const ULanguageTag* langtag) { |
| return langtag->privateuse; |
| } |
| |
| #if 0 |
| static const char* |
| ultag_getGrandfathered(const ULanguageTag* langtag) { |
| return langtag->grandfathered; |
| } |
| #endif |
| |
| |
| /* |
| * ------------------------------------------------- |
| * |
| * Locale/BCP47 conversion APIs, exposed as uloc_* |
| * |
| * ------------------------------------------------- |
| */ |
| U_DRAFT int32_t U_EXPORT2 |
| uloc_toLanguageTag(const char* localeID, |
| char* langtag, |
| int32_t langtagCapacity, |
| UBool strict, |
| UErrorCode* status) { |
| /* char canonical[ULOC_FULLNAME_CAPACITY]; */ /* See #6822 */ |
| char canonical[256]; |
| int32_t reslen = 0; |
| UErrorCode tmpStatus = U_ZERO_ERROR; |
| |
| /* Note: uloc_canonicalize returns "en_US_POSIX" for input locale ID "". See #6835 */ |
| canonical[0] = 0; |
| if (uprv_strlen(localeID) > 0) { |
| uloc_canonicalize(localeID, canonical, sizeof(canonical), &tmpStatus); |
| if (tmpStatus != U_ZERO_ERROR) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| } |
| |
| reslen += _appendLanguageToLanguageTag(canonical, langtag, langtagCapacity, strict, status); |
| reslen += _appendScriptToLanguageTag(canonical, langtag + reslen, langtagCapacity - reslen, strict, status); |
| reslen += _appendRegionToLanguageTag(canonical, langtag + reslen, langtagCapacity - reslen, strict, status); |
| reslen += _appendVariantsToLanguageTag(canonical, langtag + reslen, langtagCapacity - reslen, strict, status); |
| reslen += _appendKeywordsToLanguageTag(canonical, langtag + reslen, langtagCapacity - reslen, strict, status); |
| |
| return reslen; |
| } |
| |
| |
| U_DRAFT int32_t U_EXPORT2 |
| uloc_forLanguageTag(const char* langtag, |
| char* localeID, |
| int32_t localeIDCapacity, |
| int32_t* parsedLength, |
| UErrorCode* status) { |
| ULanguageTag *lt; |
| int32_t reslen = 0; |
| const char *subtag, *p; |
| int32_t len; |
| int32_t i, n; |
| UBool noRegion = TRUE; |
| |
| lt = ultag_parse(langtag, -1, parsedLength, status); |
| if (U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| /* language */ |
| subtag = ultag_getExtlangSize(lt) > 0 ? ultag_getExtlang(lt, 0) : ultag_getLanguage(lt); |
| if (uprv_compareInvCharsAsAscii(subtag, LANG_UND) != 0) { |
| len = (int32_t)uprv_strlen(subtag); |
| if (len > 0) { |
| if (reslen < localeIDCapacity) { |
| uprv_memcpy(localeID, subtag, uprv_min(len, localeIDCapacity - reslen)); |
| } |
| reslen += len; |
| } |
| } |
| |
| /* script */ |
| subtag = ultag_getScript(lt); |
| len = (int32_t)uprv_strlen(subtag); |
| if (len > 0) { |
| if (reslen < localeIDCapacity) { |
| *(localeID + reslen) = LOCALE_SEP; |
| } |
| reslen++; |
| |
| /* write out the script in title case */ |
| p = subtag; |
| while (*p) { |
| if (reslen < localeIDCapacity) { |
| if (p == subtag) { |
| *(localeID + reslen) = uprv_toupper(*p); |
| } else { |
| *(localeID + reslen) = *p; |
| } |
| } |
| reslen++; |
| p++; |
| } |
| } |
| |
| /* region */ |
| subtag = ultag_getRegion(lt); |
| len = (int32_t)uprv_strlen(subtag); |
| if (len > 0) { |
| if (reslen < localeIDCapacity) { |
| *(localeID + reslen) = LOCALE_SEP; |
| } |
| reslen++; |
| /* write out the retion in upper case */ |
| p = subtag; |
| while (*p) { |
| if (reslen < localeIDCapacity) { |
| *(localeID + reslen) = uprv_toupper(*p); |
| } |
| reslen++; |
| p++; |
| } |
| noRegion = FALSE; |
| } |
| |
| /* variants */ |
| n = ultag_getVariantsSize(lt); |
| if (n > 0) { |
| if (noRegion) { |
| if (reslen < localeIDCapacity) { |
| *(localeID + reslen) = LOCALE_SEP; |
| } |
| reslen++; |
| } |
| |
| for (i = 0; i < n; i++) { |
| subtag = ultag_getVariant(lt, i); |
| if (reslen < localeIDCapacity) { |
| *(localeID + reslen) = LOCALE_SEP; |
| } |
| reslen++; |
| /* write out the variant in upper case */ |
| p = subtag; |
| while (*p) { |
| if (reslen < localeIDCapacity) { |
| *(localeID + reslen) = uprv_toupper(*p); |
| } |
| reslen++; |
| p++; |
| } |
| } |
| } |
| |
| /* keywords */ |
| n = ultag_getExtensionsSize(lt); |
| subtag = ultag_getPrivateUse(lt); |
| if (n > 0 || uprv_strlen(subtag) > 0) { |
| if (reslen == 0) { |
| /* need a language */ |
| if (reslen < localeIDCapacity) { |
| uprv_memcpy(localeID + reslen, LANG_UND, uprv_min(LANG_UND_LEN, localeIDCapacity - reslen)); |
| } |
| reslen += LANG_UND_LEN; |
| } |
| len = _appendKeywords(lt, localeID + reslen, localeIDCapacity - reslen, status); |
| reslen += len; |
| } |
| |
| ultag_close(lt); |
| return u_terminateChars(localeID, localeIDCapacity, reslen, status); |
| } |
| |
| |
