mirror of https://github.com/acidanthera/audk.git
765 lines
20 KiB
C
765 lines
20 KiB
C
/** @file
|
|
Private structure, MACRO and function definitions for User Interface related functionalities.
|
|
|
|
Copyright (c) 2004 - 2008, Intel Corporation
|
|
All rights reserved. This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _UI_H_
|
|
#define _UI_H_
|
|
|
|
#include "Setup.h"
|
|
|
|
//
|
|
// Globals
|
|
//
|
|
#define REGULAR_NUMERIC 0
|
|
#define TIME_NUMERIC 1
|
|
#define DATE_NUMERIC 2
|
|
|
|
#define SUBTITLE_INDENT 2
|
|
|
|
|
|
//
|
|
// It take 23 characters including the NULL to print a 64 bits number with "[" and "]".
|
|
// pow(2, 64) = [18446744073709551616]
|
|
//
|
|
#define MAX_NUMERIC_INPUT_WIDTH 23
|
|
|
|
typedef enum {
|
|
UiNoOperation,
|
|
UiDefault,
|
|
UiSelect,
|
|
UiUp,
|
|
UiDown,
|
|
UiLeft,
|
|
UiRight,
|
|
UiReset,
|
|
UiSave,
|
|
UiPrevious,
|
|
UiPageUp,
|
|
UiPageDown,
|
|
UiMaxOperation
|
|
} UI_SCREEN_OPERATION;
|
|
|
|
typedef enum {
|
|
CfInitialization,
|
|
CfCheckSelection,
|
|
CfRepaint,
|
|
CfRefreshHighLight,
|
|
CfUpdateHelpString,
|
|
CfPrepareToReadKey,
|
|
CfReadKey,
|
|
CfScreenOperation,
|
|
CfUiPrevious,
|
|
CfUiSelect,
|
|
CfUiReset,
|
|
CfUiLeft,
|
|
CfUiRight,
|
|
CfUiUp,
|
|
CfUiPageUp,
|
|
CfUiPageDown,
|
|
CfUiDown,
|
|
CfUiSave,
|
|
CfUiDefault,
|
|
CfUiNoOperation,
|
|
CfExit,
|
|
CfMaxControlFlag
|
|
} UI_CONTROL_FLAG;
|
|
|
|
#define UI_ACTION_NONE 0
|
|
#define UI_ACTION_REFRESH_FORM 1
|
|
#define UI_ACTION_REFRESH_FORMSET 2
|
|
#define UI_ACTION_EXIT 3
|
|
|
|
typedef struct {
|
|
EFI_HII_HANDLE Handle;
|
|
|
|
//
|
|
// Target formset/form/Question information
|
|
//
|
|
EFI_GUID FormSetGuid;
|
|
UINT16 FormId;
|
|
UINT16 QuestionId;
|
|
|
|
UINTN TopRow;
|
|
UINTN BottomRow;
|
|
UINTN PromptCol;
|
|
UINTN OptionCol;
|
|
UINTN CurrentRow;
|
|
|
|
//
|
|
// Ation for Browser to taken:
|
|
// UI_ACTION_NONE - navigation inside a form
|
|
// UI_ACTION_REFRESH_FORM - re-evaluate expressions and repaint form
|
|
// UI_ACTION_REFRESH_FORMSET - re-parse formset IFR binary
|
|
//
|
|
UINTN Action;
|
|
|
|
//
|
|
// Current selected fomset/form/Question
|
|
//
|
|
FORM_BROWSER_FORMSET *FormSet;
|
|
FORM_BROWSER_FORM *Form;
|
|
FORM_BROWSER_STATEMENT *Statement;
|
|
} UI_MENU_SELECTION;
|
|
|
|
#define UI_MENU_OPTION_SIGNATURE SIGNATURE_32 ('u', 'i', 'm', 'm')
|
|
#define UI_MENU_LIST_SIGNATURE SIGNATURE_32 ('u', 'i', 'm', 'l')
|
|
|
|
typedef struct {
|
|
UINTN Signature;
|
|
LIST_ENTRY Link;
|
|
|
|
EFI_HII_HANDLE Handle;
|
|
FORM_BROWSER_STATEMENT *ThisTag;
|
|
UINT16 EntryNumber;
|
|
|
|
UINTN Row;
|
|
UINTN Col;
|
|
UINTN OptCol;
|
|
CHAR16 *Description;
|
|
UINTN Skip; // Number of lines
|
|
|
|
//
|
|
// Display item sequence for date/time
|
|
// Date: Month/Day/Year
|
|
// Sequence: 0 1 2
|
|
//
|
|
// Time: Hour : Minute : Second
|
|
// Sequence: 0 1 2
|
|
//
|
|
//
|
|
UINTN Sequence;
|
|
|
|
BOOLEAN GrayOut;
|
|
BOOLEAN ReadOnly;
|
|
} UI_MENU_OPTION;
|
|
|
|
#define MENU_OPTION_FROM_LINK(a) CR (a, UI_MENU_OPTION, Link, UI_MENU_OPTION_SIGNATURE)
|
|
|
|
typedef struct {
|
|
UINTN Signature;
|
|
LIST_ENTRY MenuLink;
|
|
|
|
UINT16 FormId;
|
|
UINT16 QuestionId;
|
|
} UI_MENU_LIST;
|
|
|
|
typedef struct _MENU_REFRESH_ENTRY {
|
|
struct _MENU_REFRESH_ENTRY *Next;
|
|
UI_MENU_OPTION *MenuOption; // Describes the entry needing an update
|
|
UI_MENU_SELECTION *Selection;
|
|
UINTN CurrentColumn;
|
|
UINTN CurrentRow;
|
|
UINTN CurrentAttribute;
|
|
} MENU_REFRESH_ENTRY;
|
|
|
|
typedef struct {
|
|
UINT16 ScanCode;
|
|
UI_SCREEN_OPERATION ScreenOperation;
|
|
} SCAN_CODE_TO_SCREEN_OPERATION;
|
|
|
|
typedef struct {
|
|
UI_SCREEN_OPERATION ScreenOperation;
|
|
UI_CONTROL_FLAG ControlFlag;
|
|
} SCREEN_OPERATION_T0_CONTROL_FLAG;
|
|
|
|
|
|
extern LIST_ENTRY gMenuList;
|
|
extern MENU_REFRESH_ENTRY *gMenuRefreshHead;
|
|
extern UI_MENU_SELECTION *gCurrentSelection;
|
|
extern BOOLEAN mHiiPackageListUpdated;
|
|
|
|
//
|
|
// Global Functions
|
|
//
|
|
/**
|
|
Initialize Menu option list.
|
|
|
|
**/
|
|
VOID
|
|
UiInitMenu (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Initialize Menu option list.
|
|
|
|
**/
|
|
VOID
|
|
UiInitMenuList (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Remove a Menu in list, and return FormId/QuestionId for previous Menu.
|
|
|
|
@param Selection Menu selection.
|
|
|
|
**/
|
|
VOID
|
|
UiRemoveMenuListEntry (
|
|
OUT UI_MENU_SELECTION *Selection
|
|
);
|
|
|
|
/**
|
|
Free Menu option linked list.
|
|
|
|
**/
|
|
VOID
|
|
UiFreeMenuList (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Add one menu entry to the linked lst
|
|
|
|
@param Selection Menu selection.
|
|
|
|
**/
|
|
VOID
|
|
UiAddMenuListEntry (
|
|
IN UI_MENU_SELECTION *Selection
|
|
);
|
|
|
|
/**
|
|
Free Menu option linked list.
|
|
|
|
**/
|
|
VOID
|
|
UiFreeMenu (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Add one menu option by specified description and context.
|
|
|
|
@param String String description for this option.
|
|
@param Handle Hii handle for the package list.
|
|
@param Statement Statement of this Menu Option.
|
|
@param NumberOfLines Display lines for this Menu Option.
|
|
@param MenuItemCount The index for this Option in the Menu.
|
|
|
|
**/
|
|
VOID
|
|
UiAddMenuOption (
|
|
IN CHAR16 *String,
|
|
IN EFI_HII_HANDLE Handle,
|
|
IN FORM_BROWSER_STATEMENT *Statement,
|
|
IN UINT16 NumberOfLines,
|
|
IN UINT16 MenuItemCount
|
|
);
|
|
|
|
/**
|
|
Display menu and wait for user to select one menu option, then return it.
|
|
If AutoBoot is enabled, then if user doesn't select any option,
|
|
after period of time, it will automatically return the first menu option.
|
|
|
|
@param Selection Menu selection.
|
|
|
|
@return Return the pointer of the menu which selected,
|
|
@return otherwise return NULL.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
UiDisplayMenu (
|
|
IN OUT UI_MENU_SELECTION *Selection
|
|
);
|
|
|
|
/**
|
|
Free up the resource allocated for all strings required
|
|
by Setup Browser.
|
|
|
|
**/
|
|
VOID
|
|
FreeBrowserStrings (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
The worker function that send the displays to the screen. On output,
|
|
the selection made by user is returned.
|
|
|
|
@param Selection On input, Selection tell setup browser the information
|
|
about the Selection, form and formset to be displayed.
|
|
On output, Selection return the screen item that is selected
|
|
by user.
|
|
|
|
@retval EFI_SUCCESS The page is displayed successfully.
|
|
@return Other value if the page failed to be diplayed.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
SetupBrowser (
|
|
IN OUT UI_MENU_SELECTION *Selection
|
|
);
|
|
|
|
/**
|
|
VSPrint worker function that prints a Value as a decimal number in Buffer.
|
|
|
|
@param Buffer Location to place ascii decimal number string of Value.
|
|
@param Flags Flags to use in printing decimal string, see file header for
|
|
details.
|
|
@param Value Decimal value to convert to a string in Buffer.
|
|
|
|
@return Number of characters printed.
|
|
|
|
**/
|
|
VOID
|
|
ValueToString (
|
|
IN CHAR16 *Buffer,
|
|
IN BOOLEAN Flags,
|
|
IN INT64 Value
|
|
);
|
|
|
|
/**
|
|
Set Buffer to Value for Size bytes.
|
|
|
|
@param Buffer Memory to set.
|
|
@param Size Number of bytes to set
|
|
@param Value Value of the set operation.
|
|
|
|
**/
|
|
VOID
|
|
SetUnicodeMem (
|
|
IN VOID *Buffer,
|
|
IN UINTN Size,
|
|
IN CHAR16 Value
|
|
);
|
|
|
|
/**
|
|
Wait for a given event to fire, or for an optional timeout to expire.
|
|
|
|
@param Event The event to wait for
|
|
@param Timeout An optional timeout value in 100 ns units.
|
|
@param RefreshInterval Menu refresh interval (in seconds).
|
|
|
|
@retval EFI_SUCCESS Event fired before Timeout expired.
|
|
@retval EFI_TIME_OUT Timout expired before Event fired.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
UiWaitForSingleEvent (
|
|
IN EFI_EVENT Event,
|
|
IN UINT64 Timeout, OPTIONAL
|
|
IN UINT8 RefreshInterval OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Draw a pop up windows based on the dimension, number of lines and
|
|
strings specified.
|
|
|
|
@param ScreenWidth The width of the pop-up.
|
|
@param NumberOfLines The number of lines.
|
|
@param ... A series of text strings that displayed in the pop-up.
|
|
|
|
**/
|
|
VOID
|
|
CreatePopUp (
|
|
IN UINTN ScreenWidth,
|
|
IN UINTN NumberOfLines,
|
|
...
|
|
);
|
|
|
|
/**
|
|
Get string or password input from user.
|
|
|
|
@param MenuOption Pointer to the current input menu.
|
|
@param Prompt The prompt string shown on popup window.
|
|
@param StringPtr Destination for use input string.
|
|
|
|
@retval EFI_SUCCESS If string input is read successfully
|
|
@retval EFI_DEVICE_ERROR If operation fails
|
|
|
|
**/
|
|
EFI_STATUS
|
|
ReadString (
|
|
IN UI_MENU_OPTION *MenuOption,
|
|
IN CHAR16 *Prompt,
|
|
OUT CHAR16 *StringPtr
|
|
);
|
|
|
|
/**
|
|
Get selection for OneOf and OrderedList (Left/Right will be ignored).
|
|
|
|
@param Selection Pointer to current selection.
|
|
@param MenuOption Pointer to the current input menu.
|
|
|
|
@retval EFI_SUCCESS If Option input is processed successfully
|
|
@retval EFI_DEVICE_ERROR If operation fails
|
|
|
|
**/
|
|
EFI_STATUS
|
|
GetSelectionInputPopUp (
|
|
IN UI_MENU_SELECTION *Selection,
|
|
IN UI_MENU_OPTION *MenuOption
|
|
);
|
|
|
|
/**
|
|
This routine reads a numeric value from the user input.
|
|
|
|
@param Selection Pointer to current selection.
|
|
@param MenuOption Pointer to the current input menu.
|
|
|
|
@retval EFI_SUCCESS If numerical input is read successfully
|
|
@retval EFI_DEVICE_ERROR If operation fails
|
|
|
|
**/
|
|
EFI_STATUS
|
|
GetNumericInput (
|
|
IN UI_MENU_SELECTION *Selection,
|
|
IN UI_MENU_OPTION *MenuOption
|
|
);
|
|
|
|
/**
|
|
Update status bar on the bottom of menu.
|
|
|
|
@param MessageType The type of message to be shown.
|
|
@param Flags The flags in Question header.
|
|
@param State Set or clear.
|
|
|
|
**/
|
|
VOID
|
|
UpdateStatusBar (
|
|
IN UINTN MessageType,
|
|
IN UINT8 Flags,
|
|
IN BOOLEAN State
|
|
);
|
|
|
|
/**
|
|
Process Question Config.
|
|
|
|
@param Selection The UI menu selection.
|
|
@param Question The Question to be peocessed.
|
|
|
|
@retval EFI_SUCCESS Question Config process success.
|
|
@retval Other Question Config process fail.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
ProcessQuestionConfig (
|
|
IN UI_MENU_SELECTION *Selection,
|
|
IN FORM_BROWSER_STATEMENT *Question
|
|
);
|
|
|
|
/**
|
|
Print Question Value according to it's storage width and display attributes.
|
|
|
|
@param Question The Question to be printed.
|
|
@param FormattedNumber Buffer for output string.
|
|
@param BufferSize The FormattedNumber buffer size in bytes.
|
|
|
|
@retval EFI_SUCCESS Print success.
|
|
@retval EFI_BUFFER_TOO_SMALL Buffer size is not enough for formatted number.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PrintFormattedNumber (
|
|
IN FORM_BROWSER_STATEMENT *Question,
|
|
IN OUT CHAR16 *FormattedNumber,
|
|
IN UINTN BufferSize
|
|
);
|
|
|
|
/**
|
|
Search an Option of a Question by its value.
|
|
|
|
@param Question The Question
|
|
@param OptionValue Value for Option to be searched.
|
|
|
|
@retval Pointer Pointer to the found Option.
|
|
@retval NULL Option not found.
|
|
|
|
**/
|
|
QUESTION_OPTION *
|
|
ValueToOption (
|
|
IN FORM_BROWSER_STATEMENT *Question,
|
|
IN EFI_HII_VALUE *OptionValue
|
|
);
|
|
|
|
/**
|
|
Process a Question's Option (whether selected or un-selected).
|
|
|
|
@param Selection Pointer to UI_MENU_SELECTION.
|
|
@param MenuOption The MenuOption for this Question.
|
|
@param Selected TRUE: if Question is selected.
|
|
@param OptionString Pointer of the Option String to be displayed.
|
|
|
|
@retval EFI_SUCCESS Question Option process success.
|
|
@retval Other Question Option process fail.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
ProcessOptions (
|
|
IN UI_MENU_SELECTION *Selection,
|
|
IN UI_MENU_OPTION *MenuOption,
|
|
IN BOOLEAN Selected,
|
|
OUT CHAR16 **OptionString
|
|
);
|
|
|
|
/**
|
|
Process the help string: Split StringPtr to several lines of strings stored in
|
|
FormattedString and the glyph width of each line cannot exceed gHelpBlockWidth.
|
|
|
|
@param StringPtr The entire help string.
|
|
@param FormattedString The oupput formatted string.
|
|
@param RowCount TRUE: if Question is selected.
|
|
|
|
**/
|
|
VOID
|
|
ProcessHelpString (
|
|
IN CHAR16 *StringPtr,
|
|
OUT CHAR16 **FormattedString,
|
|
IN UINTN RowCount
|
|
);
|
|
|
|
/**
|
|
Update key's help imformation.
|
|
|
|
@param MenuOption The Menu option
|
|
@param Selected Whether or not a tag be selected
|
|
|
|
**/
|
|
VOID
|
|
UpdateKeyHelp (
|
|
IN UI_MENU_OPTION *MenuOption,
|
|
IN BOOLEAN Selected
|
|
);
|
|
|
|
/**
|
|
Clear retangle with specified text attribute.
|
|
|
|
@param LeftColumn Left column of retangle.
|
|
@param RightColumn Right column of retangle.
|
|
@param TopRow Start row of retangle.
|
|
@param BottomRow End row of retangle.
|
|
@param TextAttribute The character foreground and background.
|
|
|
|
**/
|
|
VOID
|
|
ClearLines (
|
|
UINTN LeftColumn,
|
|
UINTN RightColumn,
|
|
UINTN TopRow,
|
|
UINTN BottomRow,
|
|
UINTN TextAttribute
|
|
);
|
|
|
|
/**
|
|
Count the storage space of a Unicode string.
|
|
|
|
This function handles the Unicode string with NARROW_CHAR
|
|
and WIDE_CHAR control characters. NARROW_HCAR and WIDE_CHAR
|
|
does not count in the resultant output. If a WIDE_CHAR is
|
|
hit, then 2 Unicode character will consume an output storage
|
|
space with size of CHAR16 till a NARROW_CHAR is hit.
|
|
|
|
@param String The input string to be counted.
|
|
|
|
@return Storage space for the input string.
|
|
|
|
**/
|
|
UINTN
|
|
GetStringWidth (
|
|
CHAR16 *String
|
|
);
|
|
|
|
/**
|
|
Will copy LineWidth amount of a string in the OutputString buffer and return the
|
|
number of CHAR16 characters that were copied into the OutputString buffer.
|
|
|
|
@param InputString String description for this option.
|
|
@param LineWidth Width of the desired string to extract in CHAR16
|
|
characters
|
|
@param Index Where in InputString to start the copy process
|
|
@param OutputString Buffer to copy the string into
|
|
|
|
@return Returns the number of CHAR16 characters that were copied into the OutputString buffer.
|
|
|
|
**/
|
|
UINT16
|
|
GetLineByWidth (
|
|
IN CHAR16 *InputString,
|
|
IN UINT16 LineWidth,
|
|
IN OUT UINTN *Index,
|
|
OUT CHAR16 **OutputString
|
|
);
|
|
|
|
/**
|
|
Get the supported width for a particular op-code
|
|
|
|
@param Statement The FORM_BROWSER_STATEMENT structure passed in.
|
|
@param Handle The handle in the HII database being used
|
|
|
|
@return Returns the number of CHAR16 characters that is support.
|
|
|
|
**/
|
|
UINT16
|
|
GetWidth (
|
|
IN FORM_BROWSER_STATEMENT *Statement,
|
|
IN EFI_HII_HANDLE Handle
|
|
);
|
|
|
|
/**
|
|
Concatenate a narrow string to another string.
|
|
|
|
@param Destination The destination string.
|
|
@param Source The source string. The string to be concatenated.
|
|
to the end of Destination.
|
|
|
|
**/
|
|
VOID
|
|
NewStrCat (
|
|
CHAR16 *Destination,
|
|
CHAR16 *Source
|
|
);
|
|
|
|
/**
|
|
Wait for a key to be pressed by user.
|
|
|
|
@param Key The key which is pressed by user.
|
|
|
|
@retval EFI_SUCCESS The function always completed successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
WaitForKeyStroke (
|
|
OUT EFI_INPUT_KEY *Key
|
|
);
|
|
|
|
/**
|
|
Reset stack pointer to begin of the stack.
|
|
|
|
**/
|
|
VOID
|
|
ResetScopeStack (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Push an Operand onto the Stack
|
|
|
|
@param Operand Operand to push.
|
|
|
|
@retval EFI_SUCCESS The value was pushed onto the stack.
|
|
@retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the
|
|
stack.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PushScope (
|
|
IN UINT8 Operand
|
|
);
|
|
|
|
/**
|
|
Pop an Operand from the Stack
|
|
|
|
@param Operand Operand to pop.
|
|
|
|
@retval EFI_SUCCESS The value was pushed onto the stack.
|
|
@retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the
|
|
stack.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PopScope (
|
|
OUT UINT8 *Operand
|
|
);
|
|
|
|
/**
|
|
Get Form given its FormId.
|
|
|
|
@param FormSet The formset which contains this form.
|
|
@param FormId Id of this form.
|
|
|
|
@retval Pointer The form.
|
|
@retval NULL Specified Form is not found in the formset.
|
|
|
|
**/
|
|
FORM_BROWSER_FORM *
|
|
IdToForm (
|
|
IN FORM_BROWSER_FORMSET *FormSet,
|
|
IN UINT16 FormId
|
|
);
|
|
|
|
/**
|
|
Search a Question in Formset scope using its QuestionId.
|
|
|
|
@param FormSet The formset which contains this form.
|
|
@param Form The form which contains this Question.
|
|
@param QuestionId Id of this Question.
|
|
|
|
@retval Pointer The Question.
|
|
@retval NULL Specified Question not found in the form.
|
|
|
|
**/
|
|
FORM_BROWSER_STATEMENT *
|
|
IdToQuestion (
|
|
IN FORM_BROWSER_FORMSET *FormSet,
|
|
IN FORM_BROWSER_FORM *Form,
|
|
IN UINT16 QuestionId
|
|
);
|
|
|
|
/**
|
|
Zero extend integer/boolean/date/time to UINT64 for comparing.
|
|
|
|
@param Value HII Value to be converted.
|
|
|
|
**/
|
|
VOID
|
|
ExtendValueToU64 (
|
|
IN EFI_HII_VALUE *Value
|
|
);
|
|
|
|
/**
|
|
Compare two Hii value.
|
|
|
|
@param Value1 Expression value to compare on left-hand.
|
|
@param Value2 Expression value to compare on right-hand.
|
|
@param HiiHandle Only required for string compare.
|
|
|
|
@retval EFI_INVALID_PARAMETER Could not perform comparation on two values.
|
|
@retval 0 Two operators equeal.
|
|
@return Positive value if Value1 is greater than Value2.
|
|
@retval Negative value if Value1 is less than Value2.
|
|
|
|
**/
|
|
INTN
|
|
CompareHiiValue (
|
|
IN EFI_HII_VALUE *Value1,
|
|
IN EFI_HII_VALUE *Value2,
|
|
IN EFI_HII_HANDLE HiiHandle OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Evaluate the result of a HII expression
|
|
|
|
@param FormSet FormSet associated with this expression.
|
|
@param Form Form associated with this expression.
|
|
@param Expression Expression to be evaluated.
|
|
|
|
@retval EFI_SUCCESS The expression evaluated successfuly
|
|
@retval EFI_NOT_FOUND The Question which referenced by a QuestionId
|
|
could not be found.
|
|
@retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the
|
|
stack.
|
|
@retval EFI_ACCESS_DENIED The pop operation underflowed the stack
|
|
@retval EFI_INVALID_PARAMETER Syntax error with the Expression
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EvaluateExpression (
|
|
IN FORM_BROWSER_FORMSET *FormSet,
|
|
IN FORM_BROWSER_FORM *Form,
|
|
IN OUT FORM_EXPRESSION *Expression
|
|
);
|
|
|
|
#endif // _UI_H
|