EdkCompatibilityPkg/Compatibility/FrameworkHiiToUefiHiiThunk/Utility.c

   1 /**@file
   2
   3   This file contains the keyboard processing code to the HII database.
   4
   5 Copyright (c) 2006 - 2008, Intel Corporation
   6 All rights reserved. This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16
  17 #include "HiiDatabase.h"
  18
  19 EFI_GUID *
  20 GetGuidOfFirstFormset (
  21   CONST EFI_HII_FORM_PACKAGE * FormPackage
  22 )
  23 {
  24   UINT8             *StartOfNextPackage;
  25   EFI_IFR_OP_HEADER *OpCodeData;
  26
  27   StartOfNextPackage = (UINT8 *) FormPackage + FormPackage->Header.Length;
  28   OpCodeData = (EFI_IFR_OP_HEADER *) (FormPackage + 1);
  29
  30   while ((UINT8 *) OpCodeData < StartOfNextPackage) {
  31     if (OpCodeData->OpCode == EFI_IFR_FORM_SET_OP) {
  32       return &(((EFI_IFR_FORM_SET *) OpCodeData)->Guid);
  33     }
  34     OpCodeData = (EFI_IFR_OP_HEADER *) ((UINT8 *) OpCodeData + OpCodeData->Length);
  35   }
  36
  37   ASSERT (FALSE);
  38
  39   return NULL;
  40 }
  41
  42 EFI_HII_HANDLE
  43 FrameworkHiiHandleToUefiHiiHandle (
  44   IN CONST EFI_HII_THUNK_PRIVATE_DATA *Private,
  45   IN FRAMEWORK_EFI_HII_HANDLE          FrameworkHiiHandle
  46   )
  47 {
  48   LIST_ENTRY                                *ListEntry;
  49   HII_TRHUNK_HANDLE_MAPPING_DATABASE_ENTRY  *HandleMapEntry;
  50
  51   ASSERT (FrameworkHiiHandle != (FRAMEWORK_EFI_HII_HANDLE) 0);
  52   ASSERT (Private != NULL);
  53
  54   for (ListEntry = Private->HiiThunkHandleMappingDBListHead.ForwardLink;
  55        ListEntry != &Private->HiiThunkHandleMappingDBListHead;
  56        ListEntry = ListEntry->ForwardLink
  57        ) {
  58
  59     HandleMapEntry = HII_TRHUNK_HANDLE_MAPPING_DATABASE_ENTRY_FROM_LISTENTRY (ListEntry);
  60
  61     if (FrameworkHiiHandle == HandleMapEntry->FrameworkHiiHandle) {
  62       return HandleMapEntry->UefiHiiHandle;
  63     }
  64   }
  65
  66   return (EFI_HII_HANDLE) NULL;
  67 }
  68
  69
  70 HII_TRHUNK_HANDLE_MAPPING_DATABASE_ENTRY *
  71 FrameworkHiiHandleToMapDatabaseEntry (
  72   IN CONST EFI_HII_THUNK_PRIVATE_DATA *Private,
  73   IN FRAMEWORK_EFI_HII_HANDLE          FrameworkHiiHandle
  74   )
  75 {
  76   LIST_ENTRY                 *ListEntry;
  77   HII_TRHUNK_HANDLE_MAPPING_DATABASE_ENTRY *HandleMapEntry;
  78
  79   for (ListEntry = Private->HiiThunkHandleMappingDBListHead.ForwardLink;
  80        ListEntry != &Private->HiiThunkHandleMappingDBListHead;
  81        ListEntry = ListEntry->ForwardLink
  82        ) {
  83     HandleMapEntry = HII_TRHUNK_HANDLE_MAPPING_DATABASE_ENTRY_FROM_LISTENTRY (ListEntry);
  84
  85     if (FrameworkHiiHandle == HandleMapEntry->FrameworkHiiHandle) {
  86       return HandleMapEntry;
  87     }
  88   }
  89
  90   return (HII_TRHUNK_HANDLE_MAPPING_DATABASE_ENTRY *) NULL;
  91 }
  92