add bDisallowPrivate parameter to LanguageTag::isValidBcp47()

Change-Id: I0924b0fa268c38c238226d082cf26595bba72f0c
(cherry picked from commit fecde4c7099fdb7c5ee396b0f68ec517f3a08955)

1 files changed, 7 insertions, 1 deletions

diff --git a/include/i18nlangtag/languagetag.hxx b/include/i18nlangtag/languagetag.hxx
index 0e12235c34ba..f3cf64293cd9 100644
--- a/include/i18nlangtag/languagetag.hxx
+++ b/include/i18nlangtag/languagetag.hxx
@@ -492,8 +492,14 @@ public:
                 canonicalized form is assigned, which may differ from the
                 original string even if that was a valid tag. If rString is not
                 a valid tag, nothing is assigned.
+
+        @param  bDisallowPrivate
+                If TRUE, valid tags according to BCP 47 but reserved for
+                private use, like 'x-...', are not allowed and FALSE is
+                returned in this case.
      */
-    static bool         isValidBcp47( const OUString& rString, OUString* o_pCanonicalized = NULL );
+    static bool         isValidBcp47( const OUString& rString, OUString* o_pCanonicalized = NULL,
+                                      bool bDisallowPrivate = false );
 
     /** If nLang is a generated on-the-fly LangID */
     static bool         isOnTheFlyID( LanguageType nLang );