/** * Create an iterator over the specified keywords list * @param keywordList double-null terminated list. Will be copied. * @param keywordListSize size in bytes of keywordList * @param status err code * @return enumeration (owned by caller) of the keyword list. * @internal ICU 3.0
*/
U_CAPI UEnumeration* U_EXPORT2
uloc_openKeywordList(constchar *keywordList, int32_t keywordListSize, UErrorCode* status);
/** * Look up a resource bundle table item with fallback on the table level. * This is accessible so it can be called by C++ code.
*/
U_CAPI const UChar * U_EXPORT2
uloc_getTableStringWithFallback( constchar *path, constchar *locale, constchar *tableKey, constchar *subTableKey, constchar *itemKey,
int32_t *pLength,
UErrorCode *pErrorCode);
namespace { /*returns true if a is an ID separator false otherwise*/ inlinebool _isIDSeparator(char a) { return a == '_' || a == '-'; }
} // namespace
/** * Writes a well-formed language tag for this locale ID. * * **Note**: When `strict` is false, any locale fields which do not satisfy the * BCP47 syntax requirement will be omitted from the result. When `strict` is * true, this function sets U_ILLEGAL_ARGUMENT_ERROR to the `err` if any locale * fields do not satisfy the BCP47 syntax requirement. * * @param localeID the input locale ID * @param sink the output sink receiving the BCP47 language * tag for this Locale. * @param strict boolean value indicating if the function returns * an error for an ill-formed input locale ID. * @param err error information if receiving the language * tag failed. * @return The length of the BCP47 language tag. * * @internal ICU 64
*/
U_EXPORT void
ulocimp_toLanguageTag(constchar* localeID,
icu::ByteSink& sink, bool strict,
UErrorCode& err);
/** * Returns a locale ID for the specified BCP47 language tag string. * If the specified language tag contains any ill-formed subtags, * the first such subtag and all following subtags are ignored. * <p> * This implements the 'Language-Tag' production of BCP 47, and so * supports legacy language tags (marked as “Type: grandfathered” in BCP 47) * (regular and irregular) as well as private use language tags. * * Private use tags are represented as 'x-whatever', * and legacy tags are converted to their canonical replacements where they exist. * * Note that a few legacy tags have no modern replacement; * these will be converted using the fallback described in * the first paragraph, so some information might be lost. * * @param langtag the input BCP47 language tag. * @param tagLen the length of langtag, or -1 to call uprv_strlen(). * @param sink the output sink receiving a locale ID for the * specified BCP47 language tag. * @param parsedLength if not NULL, successfully parsed length * for the input language tag is set. * @param err error information if receiving the locald ID * failed. * @internal ICU 63
*/
U_EXPORT void
ulocimp_forLanguageTag(constchar* langtag,
int32_t tagLen,
icu::ByteSink& sink,
int32_t* parsedLength,
UErrorCode& err);
/** * Get the region to use for supplemental data lookup. Uses * (1) any region specified by locale tag "rg"; if none then * (2) any unicode_region_tag in the locale ID; if none then * (3) if inferRegion is true, the region suggested by * getLikelySubtags on the localeID. * If no region is found, returns an empty string. * * @param localeID * The complete locale ID (with keywords) from which * to get the region to use for supplemental data. * @param inferRegion * If true, will try to infer region from localeID if * no other region is found. * @param status * Pointer to in/out UErrorCode value for latest status. * @return * The region code found, empty if none found. * @internal ICU 57
*/
U_EXPORT icu::CharString
ulocimp_getRegionForSupplementalData(constchar *localeID, bool inferRegion,
UErrorCode& status);
/** * Add the likely subtags for a provided locale ID, per the algorithm described * in the following CLDR technical report: * * http://www.unicode.org/reports/tr35/#Likely_Subtags * * If localeID is already in the maximal form, or there is no data available * for maximization, it will be copied to the output buffer. For example, * "und-Zzzz" cannot be maximized, since there is no reasonable maximization. * * Examples: * * "en" maximizes to "en_Latn_US" * * "de" maximizes to "de_Latn_US" * * "sr" maximizes to "sr_Cyrl_RS" * * "sh" maximizes to "sr_Latn_RS" (Note this will not reverse.) * * "zh_Hani" maximizes to "zh_Hans_CN" (Note this will not reverse.) * * @param localeID The locale to maximize * @param sink The output sink receiving the maximized locale * @param err Error information if maximizing the locale failed. If the length * of the localeID and the null-terminator is greater than the maximum allowed size, * or the localeId is not well-formed, the error code is U_ILLEGAL_ARGUMENT_ERROR. * @internal ICU 64
*/
U_EXPORT void
ulocimp_addLikelySubtags(constchar* localeID,
icu::ByteSink& sink,
UErrorCode& err);
/** * Minimize the subtags for a provided locale ID, per the algorithm described * in the following CLDR technical report: * * http://www.unicode.org/reports/tr35/#Likely_Subtags * * If localeID is already in the minimal form, or there is no data available * for minimization, it will be copied to the output buffer. Since the * minimization algorithm relies on proper maximization, see the comments * for ulocimp_addLikelySubtags for reasons why there might not be any data. * * Examples: * * "en_Latn_US" minimizes to "en" * * "de_Latn_US" minimizes to "de" * * "sr_Cyrl_RS" minimizes to "sr" * * "zh_Hant_TW" minimizes to "zh_TW" (The region is preferred to the * script, and minimizing to "zh" would imply "zh_Hans_CN".) * * @param localeID The locale to minimize * @param sink The output sink receiving the maximized locale * @param favorScript favor to keep script if true, region if false. * @param err Error information if minimizing the locale failed. If the length * of the localeID and the null-terminator is greater than the maximum allowed size, * or the localeId is not well-formed, the error code is U_ILLEGAL_ARGUMENT_ERROR. * @internal ICU 64
*/
U_EXPORT void
ulocimp_minimizeSubtags(constchar* localeID,
icu::ByteSink& sink, bool favorScript,
UErrorCode& err);
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