diff options
Diffstat (limited to 'i18nlangtag/source/languagetag/languagetag.cxx')
| -rw-r--r-- | i18nlangtag/source/languagetag/languagetag.cxx | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/i18nlangtag/source/languagetag/languagetag.cxx b/i18nlangtag/source/languagetag/languagetag.cxx index 33816b3c7e0f..8a96bde83f81 100644 --- a/i18nlangtag/source/languagetag/languagetag.cxx +++ b/i18nlangtag/source/languagetag/languagetag.cxx @@ -2685,4 +2685,44 @@ com::sun::star::lang::Locale LanguageTag::convertToLocaleWithFallback( const OUS return LanguageTag( rBcp47).makeFallback().getLocale( true); } + +// static +bool LanguageTag::isValidBcp47( const OUString& rString, OUString* o_pCanonicalized ) +{ + struct guard + { + lt_tag_t* mpLangtag; + guard() + { + theDataRef::get().incRef(); + mpLangtag = lt_tag_new(); + } + ~guard() + { + lt_tag_unref( mpLangtag); + theDataRef::get().decRef(); + } + } aVar; + + myLtError aError; + + if (lt_tag_parse( aVar.mpLangtag, OUStringToOString( rString, RTL_TEXTENCODING_UTF8).getStr(), &aError.p)) + { + char* pTag = lt_tag_canonicalize( aVar.mpLangtag, &aError.p); + SAL_WARN_IF( !pTag, "i18nlangtag", "LanguageTag:isValidBcp47: could not canonicalize '" << rString << "'"); + if (pTag) + { + if (o_pCanonicalized) + *o_pCanonicalized = OUString::createFromAscii( pTag); + free( pTag); + return true; + } + } + else + { + SAL_INFO( "i18nlangtag", "LanguageTag:isValidBcp47: could not parse '" << rString << "'"); + } + return false; +} + /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |