Retire HiiLibGetNextLanguage() API from HII Library class.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8109 6f19259b-4bc3-4df7-8a09-765794883524

IntelFrameworkModulePkg/Universal/BdsDxe/FrontPage.c

@@ -195,7 +195,7 @@ FrontPageCallback (
     Index = 0;
     LangCode = LanguageString;
     while (*LangCode != 0) {
-      HiiLibGetNextLanguage (&LangCode, Lang);
+      GetNextLanguage (&LangCode, Lang);
 
       if (Index == Value->u8) {
         break;
@@ -419,7 +419,7 @@ InitializeFrontPage (
   OptionCount = 0;
   LangCode = LanguageString;
   while (*LangCode != 0) {
-    HiiLibGetNextLanguage (&LangCode, Lang);
+    GetNextLanguage (&LangCode, Lang);
 
     if (gFrontPagePrivate.LanguageToken == NULL) {
       //

IntelFrameworkModulePkg/Universal/BdsDxe/Language.c

@@ -448,6 +448,47 @@ ConvertRfc3066LanguageToIso639Language (
   return EFI_NOT_FOUND;
 }
 
+/**
+  Get next language from language code list (with separator ';').
+
+  If LangCode is NULL, then ASSERT.
+  If Lang is NULL, then ASSERT.
+
+  @param  LangCode    On input: point to first language in the list. On
+                                 output: point to next language in the list, or
+                                 NULL if no more language in the list.
+  @param  Lang           The first language in the list.
+
+**/
+VOID
+EFIAPI
+GetNextLanguage (
+  IN OUT CHAR8      **LangCode,
+  OUT CHAR8         *Lang
+  )
+{
+  UINTN  Index;
+  CHAR8  *StringPtr;
+
+  ASSERT (LangCode != NULL);
+  ASSERT (*LangCode != NULL);
+  ASSERT (Lang != NULL);
+
+  Index = 0;
+  StringPtr = *LangCode;
+  while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {
+    Index++;
+  }
+
+  CopyMem (Lang, StringPtr, Index);
+  Lang[Index] = 0;
+
+  if (StringPtr[Index] == ';') {
+    Index++;
+  }
+  *LangCode = StringPtr + Index;
+}
+
 /**
   Determine the current language that will be used
   based on language related EFI Variables.

IntelFrameworkModulePkg/Universal/BdsDxe/Language.h

@@ -34,6 +34,25 @@ ConvertRfc3066LanguageToIso639Language (
   OUT CHAR8   *LanguageIso639
   );
 
+/**
+  Get next language from language code list (with separator ';').
+
+  If LangCode is NULL, then ASSERT.
+  If Lang is NULL, then ASSERT.
+
+  @param  LangCode    On input: point to first language in the list. On
+                                 output: point to next language in the list, or
+                                 NULL if no more language in the list.
+  @param  Lang           The first language in the list.
+
+**/
+VOID
+EFIAPI
+GetNextLanguage (
+  IN OUT CHAR8      **LangCode,
+  OUT CHAR8         *Lang
+  );
+
 /**
   Determine the current language that will be used
   based on language related EFI Variables.