+ case EFI_IFR_TYPE_NUM_SIZE_64:\r
+ Data = (UINT64) *(((UINT64 *) Array) + Index);\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+\r
+ return Data;\r
+}\r
+\r
+\r
+/**\r
+ Set value of a data element in an Array by its Index.\r
+\r
+ @param Array The data array.\r
+ @param Type Type of the data in this array.\r
+ @param Index Zero based index for data in this array.\r
+ @param Value The value to be set.\r
+\r
+**/\r
+VOID\r
+SetArrayData (\r
+ IN VOID *Array,\r
+ IN UINT8 Type,\r
+ IN UINTN Index,\r
+ IN UINT64 Value\r
+ )\r
+{\r
+\r
+ ASSERT (Array != NULL);\r
+\r
+ switch (Type) {\r
+ case EFI_IFR_TYPE_NUM_SIZE_8:\r
+ *(((UINT8 *) Array) + Index) = (UINT8) Value;\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_NUM_SIZE_16:\r
+ *(((UINT16 *) Array) + Index) = (UINT16) Value;\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_NUM_SIZE_32:\r
+ *(((UINT32 *) Array) + Index) = (UINT32) Value;\r
+ break;\r
+\r
+ case EFI_IFR_TYPE_NUM_SIZE_64:\r
+ *(((UINT64 *) Array) + Index) = (UINT64) Value;\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+}\r
+\r
+/**\r
+ Search an Option of a Question by its value.\r
+\r
+ @param Question The Question\r
+ @param OptionValue Value for Option to be searched.\r
+\r
+ @retval Pointer Pointer to the found Option.\r
+ @retval NULL Option not found.\r
+\r
+**/\r
+QUESTION_OPTION *\r
+ValueToOption (\r
+ IN FORM_BROWSER_STATEMENT *Question,\r
+ IN EFI_HII_VALUE *OptionValue\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ QUESTION_OPTION *Option;\r
+ INTN Result;\r
+\r
+ Link = GetFirstNode (&Question->OptionListHead);\r
+ while (!IsNull (&Question->OptionListHead, Link)) {\r
+ Option = QUESTION_OPTION_FROM_LINK (Link);\r
+\r
+ if ((CompareHiiValue (&Option->Value, OptionValue, &Result, NULL) == EFI_SUCCESS) && (Result == 0)) {\r
+ //\r
+ // Check the suppressif condition, only a valid option can be return.\r
+ //\r
+ if ((Option->SuppressExpression == NULL) ||\r
+ ((EvaluateExpressionList(Option->SuppressExpression, FALSE, NULL, NULL) == ExpressFalse))) {\r
+ return Option;\r
+ }\r
+ }\r
+\r
+ Link = GetNextNode (&Question->OptionListHead, Link);\r
+ }\r
+\r
+ return NULL;\r
+}\r
+\r
+\r
+/**\r
+ Reset Question to its default value.\r
+\r
+ @param FormSet The form set.\r
+ @param Form The form.\r
+ @param Question The question.\r
+ @param DefaultId The Class of the default.\r
+\r
+ @retval EFI_SUCCESS Question is reset to default value.\r
+\r
+**/\r
+EFI_STATUS\r
+GetQuestionDefault (\r
+ IN FORM_BROWSER_FORMSET *FormSet,\r
+ IN FORM_BROWSER_FORM *Form,\r
+ IN FORM_BROWSER_STATEMENT *Question,\r
+ IN UINT16 DefaultId\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ LIST_ENTRY *Link;\r
+ QUESTION_DEFAULT *Default;\r
+ QUESTION_OPTION *Option;\r
+ EFI_HII_VALUE *HiiValue;\r
+ UINT8 Index;\r
+ EFI_STRING StrValue;\r
+ EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
+ EFI_BROWSER_ACTION_REQUEST ActionRequest;\r
+ INTN Action;\r
+ CHAR16 *NewString;\r
+\r
+ Status = EFI_NOT_FOUND;\r
+ StrValue = NULL;\r
+\r
+ //\r
+ // Statement don't have storage, skip them\r
+ //\r
+ if (Question->QuestionId == 0) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // There are Five ways to specify default value for a Question:\r
+ // 1, use call back function (highest priority)\r
+ // 2, use ExtractConfig function\r
+ // 3, use nested EFI_IFR_DEFAULT \r
+ // 4, set flags of EFI_ONE_OF_OPTION (provide Standard and Manufacturing default)\r
+ // 5, set flags of EFI_IFR_CHECKBOX (provide Standard and Manufacturing default) (lowest priority)\r
+ //\r
+ HiiValue = &Question->HiiValue;\r
+\r
+ //\r
+ // Get Question defaut value from call back function.\r
+ //\r
+ ConfigAccess = FormSet->ConfigAccess;\r
+ Action = GetDefaultIdForCallBack (DefaultId);\r
+ if ((Action > 0) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) && (ConfigAccess != NULL)) {\r
+ ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
+ Status = ConfigAccess->Callback (\r
+ ConfigAccess,\r
+ Action,\r
+ Question->QuestionId,\r
+ HiiValue->Type,\r
+ &HiiValue->Value,\r
+ &ActionRequest\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ if (HiiValue->Type == EFI_IFR_TYPE_STRING) {\r
+ NewString = GetToken (Question->HiiValue.Value.string, FormSet->HiiHandle);\r
+ ASSERT (NewString != NULL);\r
+\r
+ ASSERT (StrLen (NewString) * sizeof (CHAR16) <= Question->StorageWidth);\r
+ if (StrLen (NewString) * sizeof (CHAR16) <= Question->StorageWidth) {\r
+ CopyMem (Question->BufferValue, NewString, StrSize (NewString));\r
+ } else {\r
+ CopyMem (Question->BufferValue, NewString, Question->StorageWidth);\r
+ }\r
+\r
+ FreePool (NewString);\r
+ }\r
+ return Status;\r
+ }\r
+ }\r
+\r
+ //\r