diff options
Diffstat (limited to 'deps/icu-small/source/common/ulocimp.h')
| -rw-r--r-- | deps/icu-small/source/common/ulocimp.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/deps/icu-small/source/common/ulocimp.h b/deps/icu-small/source/common/ulocimp.h index 855f9235dc6..6dd8e33e09c 100644 --- a/deps/icu-small/source/common/ulocimp.h +++ b/deps/icu-small/source/common/ulocimp.h @@ -62,6 +62,38 @@ ulocimp_getCountry(const char *localeID, const char **pEnd); /** + * 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 BCP47, and so + * supports grandfathered (regular and irregular) as well as private + * use language tags. Private use tags are represented as 'x-whatever', + * and grandfathered tags are converted to their canonical replacements + * where they exist. Note that a few grandfathered 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 localeID the output buffer receiving a locale ID for the + * specified BCP47 language tag. + * @param localeIDCapacity the size of the locale ID output buffer. + * @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. + * @return the length of the locale ID. + * @internal ICU 63 + */ +U_CAPI int32_t U_EXPORT2 +ulocimp_forLanguageTag(const char* langtag, + int32_t tagLen, + char* localeID, + int32_t localeIDCapacity, + 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 |