Update HiiString Protocol and HiiSetString Api in HiiLib

1. Reserve the unique string identifier for all languages in the package list. 
2. Track MaxStringId to do the simple check for the requested StringId > MaxStringId, which can improve performance.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9954 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 5 insertions, 3 deletions

diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabase.h b/MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabase.h
index d449079ab2..c0069e6b9b 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabase.h
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabase.h
@@ -127,6 +127,7 @@ typedef struct _HII_STRING_PACKAGE_INSTANCE {
   LIST_ENTRY                            StringEntry;

   LIST_ENTRY                            FontInfoList;  // local font info list

   UINT8                                 FontId;

+  EFI_STRING_ID                         MaxStringId;   // record StringId

 } HII_STRING_PACKAGE_INSTANCE;

 

 //

@@ -422,8 +423,9 @@ GetSystemFont (
 /**

   Parse all string blocks to find a String block specified by StringId.

   If StringId = (EFI_STRING_ID) (-1), find out all EFI_HII_SIBT_FONT blocks

-  within this string package and backup its information.

-  If StringId = 0, output the string id of last string block (EFI_HII_SIBT_END).

+  within this string package and backup its information. If LastStringId is 

+  specified, the string id of last string block will also be output.

+  If StringId = 0, output the string id of last string block (EFI_HII_SIBT_STRING).

 

   @param  Private                 Hii database private structure.

   @param  StringPackage           Hii string package instance.

@@ -433,7 +435,7 @@ GetSystemFont (
   @param  StringBlockAddr         Output the block address of found string block.

   @param  StringTextOffset        Offset, relative to the found block address, of

                                   the  string text information.

-  @param  LastStringId            Output the last string id when StringId = 0.

+  @param  LastStringId            Output the last string id when StringId = 0 or StringId = -1.

 

   @retval EFI_SUCCESS             The string text and font is retrieved

                                   successfully.