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Add two new methods to get default value, also add sample code in sample driver.

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Add sample code to use time opcode

Signed-off-by:  ydong10
Reviewed-by: lgao4


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11688 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
2011-05-20 02:58:35 +00:00
parent d4cb06e122
commit ee31d1be52
7 changed files with 613 additions and 5 deletions
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258
MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
View File

@@ -1804,6 +1804,221 @@ SubmitForm (
return EFI_SUCCESS;
}
/**
Get Question default value from AltCfg string.
@param FormSet The form set.
@param Question The question.
@param DefaultId The default Id.
@retval EFI_SUCCESS Question is reset to default value.
**/
EFI_STATUS
GetDefaultValueFromAltCfg (
IN FORM_BROWSER_FORMSET *FormSet,
IN OUT FORM_BROWSER_STATEMENT *Question,
IN UINT16 DefaultId
)
{
BOOLEAN IsBufferStorage;
BOOLEAN IsString;
UINTN Length;
FORMSET_STORAGE *Storage;
CHAR16 *ConfigRequest;
CHAR16 *Progress;
CHAR16 *Result;
CHAR16 *ConfigResp;
CHAR16 *Value;
CHAR16 *StringPtr;
UINTN LengthStr;
UINT8 *Dst;
CHAR16 TemStr[5];
UINTN Index;
UINT8 DigitUint8;
EFI_STATUS Status;
Status = EFI_NOT_FOUND;
Length = 0;
Dst = NULL;
ConfigRequest = NULL;
Result = NULL;
ConfigResp = NULL;
Storage = Question->Storage;
if ((Storage == NULL) || (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {
return Status;
}
//
// Question Value is provided by Buffer Storage or NameValue Storage
//
if (Question->BufferValue != NULL) {
//
// This Question is password or orderedlist
//
Dst = Question->BufferValue;
} else {
//
// Other type of Questions
//
Dst = (UINT8 *) &Question->HiiValue.Value;
}
IsBufferStorage = (BOOLEAN) ((Storage->Type == EFI_HII_VARSTORE_BUFFER) ? TRUE : FALSE);
IsString = (BOOLEAN) ((Question->HiiValue.Type == EFI_IFR_TYPE_STRING) ? TRUE : FALSE);
//
// <ConfigRequest> ::= <ConfigHdr> + <BlockName> ||
// <ConfigHdr> + "&" + <VariableName>
//
if (IsBufferStorage) {
Length = StrLen (Storage->ConfigHdr);
Length += StrLen (Question->BlockName);
} else {
Length = StrLen (Storage->ConfigHdr);
Length += StrLen (Question->VariableName) + 1;
}
ConfigRequest = AllocateZeroPool ((Length + 1) * sizeof (CHAR16));
ASSERT (ConfigRequest != NULL);
StrCpy (ConfigRequest, Storage->ConfigHdr);
if (IsBufferStorage) {
StrCat (ConfigRequest, Question->BlockName);
} else {
StrCat (ConfigRequest, L"&");
StrCat (ConfigRequest, Question->VariableName);
}
Status = FormSet->ConfigAccess->ExtractConfig (
FormSet->ConfigAccess,
ConfigRequest,
&Progress,
&Result
);
if (EFI_ERROR (Status)) {
goto Done;
}
//
// Call ConfigRouting GetAltCfg(ConfigRoute, <ConfigResponse>, Guid, Name, DevicePath, AltCfgId, AltCfgResp)
// Get the default configuration string according to the default ID.
//
Status = mHiiConfigRouting->GetAltConfig (
mHiiConfigRouting,
Result,
&Storage->Guid,
Storage->Name,
NULL,
&DefaultId, // it can be NULL to get the current setting.
&ConfigResp
);
//
// The required setting can't be found. So, it is not required to be validated and set.
//
if (EFI_ERROR (Status)) {
goto Done;
}
//
// Skip <ConfigRequest>
//
Value = StrStr (ConfigResp, L"&VALUE");
if (IsBufferStorage) {
//
// Skip "&VALUE"
//
Value = Value + 6;
}
if (*Value != '=') {
Status = EFI_NOT_FOUND;
goto Done;
}
//
// Skip '=', point to value
//
Value = Value + 1;
//
// Suppress <AltResp> if any
//
StringPtr = Value;
while (*StringPtr != L'\0' && *StringPtr != L'&') {
StringPtr++;
}
*StringPtr = L'\0';
LengthStr = StrLen (Value);
if (!IsBufferStorage && IsString) {
StringPtr = (CHAR16 *) Dst;
ZeroMem (TemStr, sizeof (TemStr));
for (Index = 0; Index < LengthStr; Index += 4) {
StrnCpy (TemStr, Value + Index, 4);
StringPtr[Index/4] = (CHAR16) StrHexToUint64 (TemStr);
}
//
// Add tailing L'\0' character
//
StringPtr[Index/4] = L'\0';
} else {
ZeroMem (TemStr, sizeof (TemStr));
for (Index = 0; Index < LengthStr; Index ++) {
TemStr[0] = Value[LengthStr - Index - 1];
DigitUint8 = (UINT8) StrHexToUint64 (TemStr);
if ((Index & 1) == 0) {
Dst [Index/2] = DigitUint8;
} else {
Dst [Index/2] = (UINT8) ((DigitUint8 << 4) + Dst [Index/2]);
}
}
}
Done:
if (ConfigRequest != NULL){
FreePool (ConfigRequest);
}
if (ConfigResp != NULL) {
FreePool (ConfigResp);
}
if (Result != NULL) {
FreePool (Result);
}
return Status;
}
/**
Get default Id value used for browser.
@param DefaultId The default id value used by hii.
@retval Browser used default value.
**/
INTN
GetDefaultIdForCallBack (
UINTN DefaultId
)
{
if (DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) {
return EFI_BROWSER_ACTION_DEFAULT_STANDARD;
} else if (DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) {
return EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING;
} else if (DefaultId == EFI_HII_DEFAULT_CLASS_SAFE) {
return EFI_BROWSER_ACTION_DEFAULT_SAFE;
} else if (DefaultId >= EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN + 0x1000) {
return EFI_BROWSER_ACTION_DEFAULT_PLATFORM + DefaultId - EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN;
} else if (DefaultId >= EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN + 0x1000) {
return EFI_BROWSER_ACTION_DEFAULT_HARDWARE + DefaultId - EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN;
} else if (DefaultId >= EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN + 0x1000) {
return EFI_BROWSER_ACTION_DEFAULT_FIRMWARE + DefaultId - EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN;
} else {
return -1;
}
}
/**
Reset Question to its default value.
@@ -1831,6 +2046,9 @@ GetQuestionDefault (
EFI_HII_VALUE *HiiValue;
UINT8 Index;
EFI_STRING StrValue;
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;
EFI_BROWSER_ACTION_REQUEST ActionRequest;
INTN Action;
Status = EFI_SUCCESS;
StrValue = NULL;
@@ -1843,13 +2061,45 @@ GetQuestionDefault (
}
//
// There are three ways to specify default value for a Question:
// 1, use nested EFI_IFR_DEFAULT (highest priority)
// 2, set flags of EFI_ONE_OF_OPTION (provide Standard and Manufacturing default)
// 3, set flags of EFI_IFR_CHECKBOX (provide Standard and Manufacturing default) (lowest priority)
// There are Five ways to specify default value for a Question:
// 1, use call back function (highest priority)
// 2, use ExtractConfig function
// 3, use nested EFI_IFR_DEFAULT
// 4, set flags of EFI_ONE_OF_OPTION (provide Standard and Manufacturing default)
// 5, set flags of EFI_IFR_CHECKBOX (provide Standard and Manufacturing default) (lowest priority)
//
HiiValue = &Question->HiiValue;
//
// Get Question defaut value from call back function.
//
ConfigAccess = FormSet->ConfigAccess;
Action = GetDefaultIdForCallBack (DefaultId);
if ((Action > 0) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) && (ConfigAccess != NULL)) {
ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
Status = ConfigAccess->Callback (
ConfigAccess,
Action,
Question->QuestionId,
HiiValue->Type,
&HiiValue->Value,
&ActionRequest
);
if (!EFI_ERROR (Status)) {
return Status;
}
}
//
// Get default value from altcfg string.
//
if (ConfigAccess != NULL) {
Status = GetDefaultValueFromAltCfg(FormSet, Question, DefaultId);
if (!EFI_ERROR (Status)) {
return Status;
}
}
//
// EFI_IFR_DEFAULT has highest priority
//