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| author | Tom Zhao <tzhao@solarflare.com> | 2019-08-20 15:08:43 +0100 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2019-09-17 09:39:04 +0800 |
| commit | ea331a5c21f7d71980fe0ea2e4aa425474f8ffb2 (patch) | |
| tree | 31929600797cfab08abd709750df1d4780776a8e /MdePkg/Library/UefiLib | |
| parent | 26fc074a5f0e58e0963fda9cee65f4c82731c5ac (diff) | |
| download | edk2-ea331a5c21f7d71980fe0ea2e4aa425474f8ffb2.tar.gz edk2-ea331a5c21f7d71980fe0ea2e4aa425474f8ffb2.tar.bz2 edk2-ea331a5c21f7d71980fe0ea2e4aa425474f8ffb2.zip | |
MdePkg: UefiLib: Add a function to check if a language is supported
Add a function that checks if a target language is in the supported
languages list. Add some calls to this function where appropriate in
UefiLib.c
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Tom Zhao <tzhao@solarflare.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'MdePkg/Library/UefiLib')
| -rw-r--r-- | MdePkg/Library/UefiLib/UefiLib.c | 60 |
1 files changed, 39 insertions, 21 deletions
diff --git a/MdePkg/Library/UefiLib/UefiLib.c b/MdePkg/Library/UefiLib/UefiLib.c index daa4af762e..cc03be84c2 100644 --- a/MdePkg/Library/UefiLib/UefiLib.c +++ b/MdePkg/Library/UefiLib/UefiLib.c @@ -641,6 +641,36 @@ EfiTestChildHandle ( }
/**
+ * This function checks the supported languages list for a target language,
+ * This only supports RFC 4646 Languages.
+ *
+ * @param SupportedLanguages The supported languages
+ * @param TargetLanguage The target language
+ *
+ * @return Returns EFI_SUCCESS if the language is supported,
+ * EFI_UNSUPPORTED otherwise
+ */
+EFI_STATUS
+EFIAPI
+IsLanguageSupported (
+ IN CONST CHAR8 *SupportedLanguages,
+ IN CONST CHAR8 *TargetLanguage
+ )
+{
+ UINTN Index;
+ while (*SupportedLanguages != 0) {
+ for (Index = 0; SupportedLanguages[Index] != 0 && SupportedLanguages[Index] != ';'; Index++);
+ if ((AsciiStrnCmp(SupportedLanguages, TargetLanguage, Index) == 0) && (TargetLanguage[Index] == 0)) {
+ return EFI_SUCCESS;
+ }
+ SupportedLanguages += Index;
+ for (; *SupportedLanguages != 0 && *SupportedLanguages == ';'; SupportedLanguages++);
+ }
+
+ return EFI_UNSUPPORTED;
+}
+
+/**
This function looks up a Unicode string in UnicodeStringTable.
If Language is a member of SupportedLanguages and a Unicode string is found in
@@ -800,24 +830,19 @@ LookupUnicodeString2 ( // Make sure Language is in the set of Supported Languages
//
Found = FALSE;
- while (*SupportedLanguages != 0) {
- if (Iso639Language) {
+ if (Iso639Language) {
+ while (*SupportedLanguages != 0) {
if (CompareIso639LanguageCode (Language, SupportedLanguages)) {
Found = TRUE;
break;
}
SupportedLanguages += 3;
- } else {
- for (Index = 0; SupportedLanguages[Index] != 0 && SupportedLanguages[Index] != ';'; Index++);
- if ((AsciiStrnCmp(SupportedLanguages, Language, Index) == 0) && (Language[Index] == 0)) {
- Found = TRUE;
- break;
- }
- SupportedLanguages += Index;
- for (; *SupportedLanguages != 0 && *SupportedLanguages == ';'; SupportedLanguages++);
}
+ } else {
+ Found = !IsLanguageSupported(Language, SupportedLanguages);
}
+
//
// If Language is not a member of SupportedLanguages, then return EFI_UNSUPPORTED
//
@@ -1099,24 +1124,17 @@ AddUnicodeString2 ( // Make sure Language is a member of SupportedLanguages
//
Found = FALSE;
- while (*SupportedLanguages != 0) {
- if (Iso639Language) {
+ if (Iso639Language) {
+ while (*SupportedLanguages != 0) {
if (CompareIso639LanguageCode (Language, SupportedLanguages)) {
Found = TRUE;
break;
}
SupportedLanguages += 3;
- } else {
- for (Index = 0; SupportedLanguages[Index] != 0 && SupportedLanguages[Index] != ';'; Index++);
- if (AsciiStrnCmp(SupportedLanguages, Language, Index) == 0) {
- Found = TRUE;
- break;
- }
- SupportedLanguages += Index;
- for (; *SupportedLanguages != 0 && *SupportedLanguages == ';'; SupportedLanguages++);
}
+ } else {
+ Found = !IsLanguageSupported(Language, SupportedLanguages);
}
-
//
// If Language is not a member of SupportedLanguages, then return EFI_UNSUPPORTED
//
|