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Clean codes per ECC for TerminalDxe module.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5389 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2008-07-01 06:34:04 +00:00
parent ede2f5b299
commit e49ef4337f
5 changed files with 1104 additions and 906 deletions
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431
MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
View File

@@ -86,36 +86,30 @@ CHAR16 mSetCursorPositionString[] = { ESC, '[', '0', '0', ';', '0', '0', 'H', 0
//
// Body of the ConOut functions
//
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset().
If ExtendeVerification is TRUE, then perform dependent serial device reset,
and set display mode to mode 0.
If ExtendedVerification is FALSE, only set display mode to mode 0.
@param This Indicates the calling context.
@param ExtendedVerification Indicates that the driver may perform a more
exhaustive verification operation of the device
during reset.
@return EFI_SUCCESS
@return The reset operation succeeds.
@return EFI_DEVICE_ERROR
@return The terminal is not functioning correctly or the serial port reset fails.
**/
EFI_STATUS
EFIAPI
TerminalConOutReset (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
/*++
Routine Description:
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset().
If ExtendeVerification is TRUE, then perform dependent serial device reset,
and set display mode to mode 0.
If ExtendedVerification is FALSE, only set display mode to mode 0.
Arguments:
This - Indicates the calling context.
ExtendedVerification - Indicates that the driver may perform a more exhaustive
verification operation of the device during reset.
Returns:
EFI_SUCCESS
The reset operation succeeds.
EFI_DEVICE_ERROR
The terminal is not functioning correctly or the serial port reset fails.
--*/
{
EFI_STATUS Status;
TERMINAL_DEV *TerminalDevice;
@@ -157,42 +151,29 @@ TerminalConOutReset (
return Status;
}
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString().
The Unicode string will be converted to terminal expressible data stream
and send to terminal via serial port.
@param This Indicates the calling context.
@param WString The Null-terminated Unicode string to be displayed
on the terminal screen.
@return EFI_SUCCESS The string is output successfully.
@return EFI_DEVICE_ERROR The serial port fails to send the string out.
@return EFI_WARN_UNKNOWN_GLYPH Indicates that some of the characters in the Unicode string could not
be rendered and are skipped.
@return EFI_UNSUPPORTED
**/
EFI_STATUS
EFIAPI
TerminalConOutOutputString (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN CHAR16 *WString
)
/*++
Routine Description:
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString().
The Unicode string will be converted to terminal expressible data stream
and send to terminal via serial port.
Arguments:
This - Indicates the calling context.
WString - The Null-terminated Unicode string to be displayed on
the terminal screen.
Returns:
EFI_SUCCESS
The string is output successfully.
EFI_DEVICE_ERROR
The serial port fails to send the string out.
EFI_WARN_UNKNOWN_GLYPH
Indicates that some of the characters in the Unicode string could not
be rendered and are skipped.
EFI_UNSUPPORTED
--*/
{
TERMINAL_DEV *TerminalDevice;
EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;
@@ -238,9 +219,9 @@ TerminalConOutOutputString (
switch (TerminalDevice->TerminalType) {
case PcAnsiType:
case VT100Type:
case VT100PlusType:
case PCANSITYPE:
case VT100TYPE:
case VT100PLUSTYPE:
if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar)) {
//
@@ -266,7 +247,7 @@ TerminalConOutOutputString (
}
if (TerminalDevice->TerminalType != PcAnsiType) {
if (TerminalDevice->TerminalType != PCANSITYPE) {
GraphicChar = AsciiChar;
}
@@ -284,7 +265,7 @@ TerminalConOutOutputString (
break;
case VTUTF8Type:
case VTUTF8TYPE:
UnicodeToUtf8 (*WString, &Utf8Char, &ValidBytes);
Length = ValidBytes;
Status = TerminalDevice->SerialIo->Write (
@@ -353,37 +334,27 @@ OutputError:
return EFI_DEVICE_ERROR;
}
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.TestString().
If one of the characters in the *Wstring is
neither valid Unicode drawing characters,
not ASCII code, then this function will return
EFI_UNSUPPORTED.
@param This Indicates the calling context.
@param WString The Null-terminated Unicode string to be tested.
@return EFI_SUCCESS The terminal is capable of rendering the output string.
@return EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be rendered.
**/
EFI_STATUS
EFIAPI
TerminalConOutTestString (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN CHAR16 *WString
)
/*++
Routine Description:
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.TestString().
If one of the characters in the *Wstring is
neither valid Unicode drawing characters,
not ASCII code, then this function will return
EFI_UNSUPPORTED.
Arguments:
This - Indicates the calling context.
WString - The Null-terminated Unicode string to be tested.
Returns:
EFI_SUCCESS
The terminal is capable of rendering the output string.
EFI_UNSUPPORTED
Some of the characters in the Unicode string cannot be rendered.
--*/
{
TERMINAL_DEV *TerminalDevice;
EFI_STATUS Status;
@@ -395,13 +366,13 @@ TerminalConOutTestString (
switch (TerminalDevice->TerminalType) {
case PcAnsiType:
case VT100Type:
case VT100PlusType:
case PCANSITYPE:
case VT100TYPE:
case VT100PLUSTYPE:
Status = AnsiTestString (TerminalDevice, WString);
break;
case VTUTF8Type:
case VTUTF8TYPE:
Status = VTUTF8TestString (TerminalDevice, WString);
break;
@@ -413,6 +384,24 @@ TerminalConOutTestString (
return Status;
}
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.QueryMode().
It returns information for an available text mode
that the terminal supports.
In this driver, we support text mode 80x25 (mode 0),
80x50 (mode 1), 100x31 (mode 2).
@param This Indicates the calling context.
@param ModeNumber The mode number to return information on.
@param Columns The returned columns of the requested mode.
@param Rows The returned rows of the requested mode.
@return EFI_SUCCESS The requested mode information is returned.
@return EFI_UNSUPPORTED The mode number is not valid.
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
EFIAPI
TerminalConOutQueryMode (
@@ -421,41 +410,6 @@ TerminalConOutQueryMode (
OUT UINTN *Columns,
OUT UINTN *Rows
)
/*++
Routine Description:
Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.QueryMode().
It returns information for an available text mode
that the terminal supports.
In this driver, we support text mode 80x25 (mode 0),
80x50 (mode 1), 100x31 (mode 2).
Arguments:
*This
Indicates the calling context.
ModeNumber
The mode number to return information on.
Columns
The returned columns of the requested mode.
Rows
The returned rows of the requested mode.
Returns:
EFI_SUCCESS
The requested mode information is returned.
EFI_UNSUPPORTED
The mode number is not valid.
EFI_DEVICE_ERROR
--*/
{
if (This->Mode->MaxMode > 3) {
return EFI_DEVICE_ERROR;
@@ -478,39 +432,27 @@ TerminalConOutQueryMode (
return EFI_UNSUPPORTED;
}
/**
Implements EFI_SIMPLE_TEXT_OUT.SetMode().
Set the terminal to a specified display mode.
In this driver, we only support mode 0.
@param This Indicates the calling context.
@param ModeNumber The text mode to set.
@return EFI_SUCCESS The requested text mode is set.
@return EFI_DEVICE_ERROR The requested text mode cannot be set
because of serial device error.
@return EFI_UNSUPPORTED The text mode number is not valid.
**/
EFI_STATUS
EFIAPI
TerminalConOutSetMode (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN UINTN ModeNumber
)
/*++
Routine Description:
Implements EFI_SIMPLE_TEXT_OUT.SetMode().
Set the terminal to a specified display mode.
In this driver, we only support mode 0.
Arguments:
This
Indicates the calling context.
ModeNumber
The text mode to set.
Returns:
EFI_SUCCESS
The requested text mode is set.
EFI_DEVICE_ERROR
The requested text mode cannot be set because of serial device error.
EFI_UNSUPPORTED
The text mode number is not valid.
--*/
{
EFI_STATUS Status;
TERMINAL_DEV *TerminalDevice;
@@ -550,38 +492,25 @@ TerminalConOutSetMode (
}
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute().
@param This Indicates the calling context.
@param Attribute The attribute to set. Only bit0..6 are valid, all other bits
are undefined and must be zero.
@return EFI_SUCCESS The requested attribute is set.
@return EFI_DEVICE_ERROR The requested attribute cannot be set due to serial port error.
@return EFI_UNSUPPORTED The attribute requested is not defined by EFI spec.
**/
EFI_STATUS
EFIAPI
TerminalConOutSetAttribute (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN UINTN Attribute
)
/*++
Routine Description:
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute().
Arguments:
This
Indicates the calling context.
Attribute
The attribute to set. Only bit0..6 are valid, all other bits
are undefined and must be zero.
Returns:
EFI_SUCCESS
The requested attribute is set.
EFI_DEVICE_ERROR
The requested attribute cannot be set due to serial port error.
EFI_UNSUPPORTED
The attribute requested is not defined by EFI spec.
--*/
{
UINT8 ForegroundControl;
UINT8 BackgroundControl;
@@ -736,36 +665,24 @@ TerminalConOutSetAttribute (
}
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.ClearScreen().
It clears the ANSI terminal's display to the
currently selected background color.
@param This Indicates the calling context.
@return EFI_SUCCESS The operation completed successfully.
@return EFI_DEVICE_ERROR The terminal screen cannot be cleared due to serial port error.
@return EFI_UNSUPPORTED The terminal is not in a valid display mode.
**/
EFI_STATUS
EFIAPI
TerminalConOutClearScreen (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
)
/*++
Routine Description:
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.ClearScreen().
It clears the ANSI terminal's display to the
currently selected background color.
Arguments:
This
Indicates the calling context.
Returns:
EFI_SUCCESS
The operation completed successfully.
EFI_DEVICE_ERROR
The terminal screen cannot be cleared due to serial port error.
EFI_UNSUPPORTED
The terminal is not in a valid display mode.
--*/
{
EFI_STATUS Status;
TERMINAL_DEV *TerminalDevice;
@@ -788,6 +705,20 @@ TerminalConOutClearScreen (
return Status;
}
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetCursorPosition().
@param This Indicates the calling context.
@param Column The row to set cursor to.
@param Row The column to set cursor to.
@return EFI_SUCCESS The operation completed successfully.
@return EFI_DEVICE_ERROR The request fails due to serial port error.
@return EFI_UNSUPPORTED The terminal is not in a valid text mode, or the cursor position
is invalid for current mode.
**/
EFI_STATUS
EFIAPI
TerminalConOutSetCursorPosition (
@@ -795,35 +726,6 @@ TerminalConOutSetCursorPosition (
IN UINTN Column,
IN UINTN Row
)
/*++
Routine Description:
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetCursorPosition().
Arguments:
This
Indicates the calling context.
Column
The row to set cursor to.
Row
The column to set cursor to.
Returns:
EFI_SUCCESS
The operation completed successfully.
EFI_DEVICE_ERROR
The request fails due to serial port error.
EFI_UNSUPPORTED
The terminal is not in a valid text mode, or the cursor position
is invalid for current mode.
--*/
{
EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;
UINTN MaxColumn;
@@ -879,36 +781,25 @@ TerminalConOutSetCursorPosition (
return EFI_SUCCESS;
}
/**
Implements SIMPLE_TEXT_OUTPUT.EnableCursor().
In this driver, the cursor cannot be hidden.
@param This Indicates the calling context.
@param Visible If TRUE, the cursor is set to be visible,
If FALSE, the cursor is set to be invisible.
@return EFI_SUCCESS The request is valid.
@return EFI_UNSUPPORTED The terminal does not support cursor hidden.
**/
EFI_STATUS
EFIAPI
TerminalConOutEnableCursor (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN BOOLEAN Visible
)
/*++
Routine Description:
Implements SIMPLE_TEXT_OUTPUT.EnableCursor().
In this driver, the cursor cannot be hidden.
Arguments:
This
Indicates the calling context.
Visible
If TRUE, the cursor is set to be visible,
If FALSE, the cursor is set to be invisible.
Returns:
EFI_SUCCESS
The request is valid.
EFI_UNSUPPORTED
The terminal does not support cursor hidden.
--*/
{
if (!Visible) {
return EFI_UNSUPPORTED;
@@ -917,31 +808,25 @@ TerminalConOutEnableCursor (
return EFI_SUCCESS;
}
/**
Detects if a Unicode char is for Box Drawing text graphics.
@param Graphic Unicode char to test.
@param PcAnsi Optional pointer to return PCANSI equivalent of
Graphic.
@param Ascii Optional pointer to return ASCII equivalent of
Graphic.
@return TRUE If Graphic is a supported Unicode Box Drawing character.
**/
BOOLEAN
TerminalIsValidTextGraphics (
IN CHAR16 Graphic,
OUT CHAR8 *PcAnsi, OPTIONAL
OUT CHAR8 *Ascii OPTIONAL
)
/*++
Routine Description:
Detects if a Unicode char is for Box Drawing text graphics.
Arguments:
Graphic - Unicode char to test.
PcAnsi - Optional pointer to return PCANSI equivalent of Graphic.
Ascii - Optional pointer to return ASCII equivalent of Graphic.
Returns:
TRUE if Graphic is a supported Unicode Box Drawing character.
--*/
{
UNICODE_TO_CHAR *Table;