Re: [PATCH 1/1] MdeModulePkg/Console: Improve encoding of box drawing characters


Wu, Hao A
 

Sorry Zhichao and Ray, could you please help to check if you have comments for this patch. Thanks in advance.

Hello Caden Kline, could you help to provide the information on what kind of unit test was done for this patch?

Some inline comments for ONLY coding style issues:

-----Original Message-----
From: Caden Kline <cadenkline9@gmail.com>
Sent: Friday, July 30, 2021 10:45 AM
To: devel@edk2.groups.io
Cc: Wang, Jian J <jian.j.wang@intel.com>; Wu, Hao A <hao.a.wu@intel.com>;
Gao, Zhichao <zhichao.gao@intel.com>; Ni, Ray <ray.ni@intel.com>
Subject: [PATCH 1/1] MdeModulePkg/Console: Improve encoding of box
drawing characters

Improved encoding of box drawing characters for different terminal types.
This includes Dec special graphics mode and more utf8.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Signed-off-by: Caden Kline <cadenkline9@gmail.com>
---
.../Universal/Console/TerminalDxe/Terminal.h | 24 +-
.../Universal/Console/TerminalDxe/Ansi.c | 2 +-
.../Console/TerminalDxe/TerminalConOut.c | 322 ++++++++++++++----
3 files changed, 269 insertions(+), 79 deletions(-)

diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
b/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
index 360e58e84743..83c3ea94a042 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
@@ -122,7 +122,10 @@ typedef struct {
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL SimpleInputEx;

LIST_ENTRY NotifyList;

EFI_EVENT KeyNotifyProcessEvent;

+ BOOLEAN DecSpecialGraphicsMode;

} TERMINAL_DEV;

+// This the lenth the escape squences for entering and exiting Dec Special

Typo: lenth -> length, squences -> sequences

Also, please help to update the comments to style:
//
// This the length the escape sequences for entering and exiting Dec Special
//



Graphics Mode

+#define LENGTH_DEC_ESCAPE 0x03



#define INPUT_STATE_DEFAULT 0x00

#define INPUT_STATE_ESC 0x01

@@ -169,6 +172,7 @@ typedef struct {
UINT16 Unicode;

CHAR8 PcAnsi;

CHAR8 Ascii;

+ CHAR8 DecSpecialGraphics;

} UNICODE_TO_CHAR;



//

@@ -1367,20 +1371,22 @@ Utf8ToUnicode (
/**

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.

-

- @retval TRUE If Graphic is a supported Unicode Box Drawing character.

+ @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.

+ @param DecSpecialGraphics Optional pointer to return Dec Special
Graphics equivalent of

+ Graphic.

+ @retval TRUE If Graphic is a supported Unicode Box Drawing
character.



**/

BOOLEAN

TerminalIsValidTextGraphics (

IN CHAR16 Graphic,

- OUT CHAR8 *PcAnsi, OPTIONAL

- OUT CHAR8 *Ascii OPTIONAL

+ OUT CHAR8 *PcAnsi, OPTIONAL

+ OUT CHAR8 *Ascii, OPTIONAL

+ OUT CHAR8 *DecSpecialGraphics OPTIONAL

);



/**

diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c
b/MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c
index f117d90b9de3..5ae5a4f0212e 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c
@@ -63,7 +63,7 @@ AnsiTestString (


if ( !(TerminalIsValidAscii (*WString) ||

TerminalIsValidEfiCntlChar (*WString) ||

- TerminalIsValidTextGraphics (*WString, &GraphicChar, NULL) )) {

+ TerminalIsValidTextGraphics (*WString, &GraphicChar, NULL, NULL) )) {



return EFI_UNSUPPORTED;

}

diff --git
a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
index aae470e9562c..1c22ed426715 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
@@ -16,61 +16,59 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
//

//

UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {

- { BOXDRAW_HORIZONTAL, 0xc4, L'-' },

- { BOXDRAW_VERTICAL, 0xb3, L'|' },

- { BOXDRAW_DOWN_RIGHT, 0xda, L'/' },

- { BOXDRAW_DOWN_LEFT, 0xbf, L'\\' },

- { BOXDRAW_UP_RIGHT, 0xc0, L'\\' },

- { BOXDRAW_UP_LEFT, 0xd9, L'/' },

- { BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|' },

- { BOXDRAW_VERTICAL_LEFT, 0xb4, L'|' },

- { BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+' },

- { BOXDRAW_UP_HORIZONTAL, 0xc1, L'+' },

- { BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+' },

- { BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-' },

- { BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|' },

- { BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/' },

- { BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/' },

- { BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/' },

- { BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\' },

- { BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\' },

- { BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\' },

- { BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\' },

- { BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\' },

- { BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\' },

- { BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/' },

- { BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/' },

- { BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/' },

- { BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|' },

- { BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|' },

- { BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|' },

- { BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|' },

- { BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|' },

- { BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|' },

- { BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+' },

- { BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+' },

- { BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+' },

- { BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+' },

- { BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+' },

- { BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+' },

- { BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+' },

- { BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+' },

- { BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+' },

+ { BOXDRAW_HORIZONTAL, 0xc4, L'-', 0x71 },

+ { BOXDRAW_VERTICAL, 0xb3, L'|', 0x78 },

+ { BOXDRAW_DOWN_RIGHT, 0xda, L'/', 0x6c },

+ { BOXDRAW_DOWN_LEFT, 0xbf, L'\\', 0x6b },

+ { BOXDRAW_UP_RIGHT, 0xc0, L'\\', 0x6d },

+ { BOXDRAW_UP_LEFT, 0xd9, L'/', 0x6a },

+ { BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|', 0x74 },

+ { BOXDRAW_VERTICAL_LEFT, 0xb4, L'|', 0x75 },

+ { BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+', 0x77 },

+ { BOXDRAW_UP_HORIZONTAL, 0xc1, L'+', 0x76 },

+ { BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+', 0x6e },

+ { BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-', 0x71 },

+ { BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|', 0x78 },

+ { BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/', 0x6c },

+ { BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/', 0x6c },

+ { BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/', 0x6c },

+ { BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\', 0x6b },

+ { BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\', 0x6b },

+ { BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\', 0x6b },

+ { BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\', 0x6d },

+ { BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\', 0x6d },

+ { BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\', 0x6d },

+ { BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/', 0x6a },

+ { BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/', 0x6a },

+ { BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/', 0x6a },

+ { BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|', 0x74 },

+ { BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|', 0x74 },

+ { BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|', 0x74 },

+ { BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|', 0x75 },

+ { BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|', 0x75 },

+ { BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|', 0x75 },

+ { BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+', 0x77 },

+ { BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+', 0x77 },

+ { BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+', 0x77 },

+ { BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+', 0x76 },

+ { BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+', 0x76 },

+ { BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+', 0x76 },

+ { BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+', 0x6e },

+ { BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+', 0x6e },

+ { BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+', 0x6e },



- { BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*' },

- { BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+' },

+ { BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*', 0x61 },

+ { BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+', 0x61 },



- { GEOMETRICSHAPE_UP_TRIANGLE, '^', L'^' },

- { GEOMETRICSHAPE_RIGHT_TRIANGLE, '>', L'>' },

- { GEOMETRICSHAPE_DOWN_TRIANGLE, 'v', L'v' },

- { GEOMETRICSHAPE_LEFT_TRIANGLE, '<', L'<' },

+ { GEOMETRICSHAPE_UP_TRIANGLE, '^', L'^', L'^' },

+ { GEOMETRICSHAPE_RIGHT_TRIANGLE, '>', L'>', L'>' },

+ { GEOMETRICSHAPE_DOWN_TRIANGLE, 'v', L'v', L'v' },

+ { GEOMETRICSHAPE_LEFT_TRIANGLE, '<', L'<', L'<' },



- { ARROW_LEFT, '<', L'<' },

- { ARROW_UP, '^', L'^' },

- { ARROW_RIGHT, '>', L'>' },

- { ARROW_DOWN, 'v', L'v' },

-

- { 0x0000, 0x00, L'\0' }

+ { ARROW_LEFT, '<', L'<', L'<' },

+ { ARROW_UP, '^', L'^', L'^' },

+ { ARROW_RIGHT, '>', L'>', L'>' },

+ { ARROW_DOWN, 'v', L'v', L'v' },

};



CHAR16 mSetModeString[] = { ESC, '[', '=', '3', 'h', 0 };

@@ -80,6 +78,8 @@ CHAR16 mSetCursorPositionString[] = { ESC, '[', '0', '0', ';',
'0', '0', 'H', 0
CHAR16 mCursorForwardString[] = { ESC, '[', '0', '0', 'C', 0 };

CHAR16 mCursorBackwardString[] = { ESC, '[', '0', '0', 'D', 0 };



+CHAR8 SetDecModeString[] = {ESC, 0x28, 0x30};

+CHAR8 ExitDecModeString[] = {ESC, 0x28, 0x42};

//

// Body of the ConOut functions

//

@@ -183,16 +183,19 @@ TerminalConOutOutputString (
EFI_STATUS Status;

UINT8 ValidBytes;

CHAR8 CrLfStr[2];

+ CHAR8 DecChar;

+ UINTN ModeSwitchLength;

//

// flag used to indicate whether condition happens which will cause

// return EFI_WARN_UNKNOWN_GLYPH

//

BOOLEAN Warning;



- ValidBytes = 0;

- Warning = FALSE;

- AsciiChar = 0;

-

+ ValidBytes = 0;

+ Warning = FALSE;

+ AsciiChar = 0;

+ DecChar = 0;

+ ModeSwitchLength = LENGTH_DEC_ESCAPE;

//

// get Terminal device data structure pointer.

//

@@ -217,17 +220,136 @@ TerminalConOutOutputString (
for (; *WString != CHAR_NULL; WString++) {



switch (TerminalDevice->TerminalType) {

-

case TerminalTypePcAnsi:

- case TerminalTypeVt100:

- case TerminalTypeVt100Plus:

- case TerminalTypeTtyTerm:

- case TerminalTypeLinux:

+ if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar,
NULL)) {

+ //

+ // If it's not a graphic character convert Unicode to ASCII.

+ //

+ GraphicChar = (CHAR8)*WString;

Please help to fix the space indent (extra spaces) here to keep it aligned with the contexts.



+

+ if (!(TerminalIsValidAscii (GraphicChar) || TerminalIsValidEfiCntlChar
(GraphicChar))) {

+ //

+ // when this driver use the OutputString to output control string,

+ // TerminalDevice->OutputEscChar is set to let the Esc char

+ // to be output to the terminal emulation software.

+ //

+ if ((GraphicChar == 27) && TerminalDevice->OutputEscChar) {

+ GraphicChar = 27;

+ } else {

+ GraphicChar = '?';

+ Warning = TRUE;

+ }

+ }

+

+ AsciiChar = GraphicChar;

+ }

+ Length = 1;

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &Length,

+ &GraphicChar

+ );

Please help to add an extra space for the above 3 lines for space indent coding style.



+

+ if (EFI_ERROR (Status)) {

+ goto OutputError;

+ }

+

+ break;

case TerminalTypeXtermR6:

- case TerminalTypeVt400:

case TerminalTypeSCO:

For the below added codes (for case TerminalTypeXtermR6 & TerminalTypeSCO), please help to fix below coding style issues:
a) Codes within a 'case' or 'if-else' statement is recommended to add 2 spaces for indent. (The space indent of the below chunk of codes are messy, which impacts the readability.)
b) For multi-line function calls, the input parameters (including the closing bracket) are recommended to add 2 spaces from the function name in the 1st line.
c) Please update multi-line comment to align with style:
//
// Comments...
//


+ if (TerminalIsValidTextGraphics (*WString, NULL, NULL, &DecChar)
&& !TerminalIsValidAscii (*WString)) {

+ //Box graphics are split into 2 types simple and advanced

+ //simple are drawn with dec special graphics

+ //advanced are drawn with utf8

+ //This checks for simple because they have a lower value than the
advanced

+ if(*WString < BOXDRAW_DOUBLE_HORIZONTAL) {

+ if (!TerminalDevice->DecSpecialGraphicsMode) {

+ ValidBytes = 0;

+ ModeSwitchLength = LENGTH_DEC_ESCAPE;

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &ModeSwitchLength,

+ (UINT8 *)SetDecModeString

+ );

+ TerminalDevice->DecSpecialGraphicsMode = TRUE;

+ }



- if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar)) {

+ GraphicChar = DecChar;

+ Length = 1;

+ } else {

+ if (TerminalDevice->DecSpecialGraphicsMode) {

+ ModeSwitchLength = LENGTH_DEC_ESCAPE;

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &ModeSwitchLength,

+ (UINT8 *)ExitDecModeString

+ );

+ if (EFI_ERROR (Status)) {

+ goto OutputError;

+ }

+

+ TerminalDevice->DecSpecialGraphicsMode = FALSE;

+ }

+

+ UnicodeToUtf8 (*WString, &Utf8Char, &ValidBytes);

+ Length = ValidBytes;

+ }

+ } else {

+ if (TerminalDevice->DecSpecialGraphicsMode) {

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &ModeSwitchLength,

+ (UINT8 *)ExitDecModeString

+ );

+ if (EFI_ERROR (Status)) {

+ goto OutputError;

+ }

+

+ TerminalDevice->DecSpecialGraphicsMode = FALSE;

+ }

+

+ GraphicChar = (CHAR8)*WString;

+

+ if (!(TerminalIsValidAscii (GraphicChar) || TerminalIsValidEfiCntlChar
(GraphicChar))) {

+ //

+ // when this driver use the OutputString to output control string,

+ // TerminalDevice->OutputEscChar is set to let the Esc char

+ // to be output to the terminal emulation software.

+ //

+ if ((GraphicChar == 27) && TerminalDevice->OutputEscChar) {

+ GraphicChar = 27;

+ Length = 1;

+ } else {

+ UnicodeToUtf8 (*WString, &Utf8Char, &ValidBytes);

+ Length = ValidBytes;

+ }

+ } else {

+ Length = 1;

+ }

+ }

+

+ if (ValidBytes) {

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &Length,

+ (UINT8 *)&Utf8Char

+ );

+ ValidBytes = 0;

+ } else {

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &Length,

+ &GraphicChar

+ );

+ }

+ if (EFI_ERROR (Status)) {

+ goto OutputError;

+ }

+

+ break;

+ case TerminalTypeVt100:

+ case TerminalTypeTtyTerm:

+ if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar,
NULL)) {

//

// If it's not a graphic character convert Unicode to ASCII.

//

@@ -248,12 +370,9 @@ TerminalConOutOutputString (
}



AsciiChar = GraphicChar;

-

}



- if (TerminalDevice->TerminalType != TerminalTypePcAnsi) {

- GraphicChar = AsciiChar;

- }

+ GraphicChar = AsciiChar;



Length = 1;



@@ -267,8 +386,67 @@ TerminalConOutOutputString (
goto OutputError;

}



- break;

+ break;

+ case TerminalTypeVt100Plus:

+ case TerminalTypeVt400:

For the below added codes (for case TerminalTypeVt100Plus & TerminalTypeVt400), please help to fix below coding style issues:
a) Codes within a 'case' or 'if-else' statement is recommended to add 2 spaces for indent. (The space indent of the below chunk of codes are messy, which impacts the readability.)
b) For multi-line function calls, the input parameters (including the closing bracket) are recommended to add 2 spaces from the function name in the 1st line.

Best Regards,
Hao Wu



+ Length = 1;

+ if (TerminalIsValidTextGraphics (*WString, NULL, NULL, &DecChar)) {

+ if (!TerminalDevice->DecSpecialGraphicsMode) {

+ ModeSwitchLength = LENGTH_DEC_ESCAPE;

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &ModeSwitchLength,

+ (UINT8 *)SetDecModeString

+ );

+ TerminalDevice->DecSpecialGraphicsMode = TRUE;

+ }



+ GraphicChar = DecChar;

+ } else {

+ if (TerminalDevice->DecSpecialGraphicsMode) {

+ ModeSwitchLength = LENGTH_DEC_ESCAPE;

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &ModeSwitchLength,

+ (UINT8 *)ExitDecModeString

+ );

+

+ if (EFI_ERROR (Status)) {

+ goto OutputError;

+ }

+

+ TerminalDevice->DecSpecialGraphicsMode = FALSE;

+ }

+

+ GraphicChar = (CHAR8)*WString;

+

+ if (!(TerminalIsValidAscii (GraphicChar) || TerminalIsValidEfiCntlChar
(GraphicChar))) {

+ //

+ // when this driver use the OutputString to output control string,

+ // TerminalDevice->OutputEscChar is set to let the Esc char

+ // to be output to the terminal emulation software.

+ //

+ if ((GraphicChar == 27) && TerminalDevice->OutputEscChar) {

+ GraphicChar = 27;

+ } else {

+ GraphicChar = '?';

+ Warning = TRUE;

+ }

+ }

+ }

+

+ Status = TerminalDevice->SerialIo->Write (

+ TerminalDevice->SerialIo,

+ &Length,

+ &GraphicChar

+ );

+

+ if (EFI_ERROR (Status)) {

+ goto OutputError;

+ }

+

+ break;

+ case TerminalTypeLinux:

case TerminalTypeVtUtf8:

UnicodeToUtf8 (*WString, &Utf8Char, &ValidBytes);

Length = ValidBytes;

@@ -280,8 +458,10 @@ TerminalConOutOutputString (
if (EFI_ERROR (Status)) {

goto OutputError;

}

+

break;

}

+

//

// Update cursor position.

//

@@ -875,7 +1055,8 @@ BOOLEAN
TerminalIsValidTextGraphics (

IN CHAR16 Graphic,

OUT CHAR8 *PcAnsi, OPTIONAL

- OUT CHAR8 *Ascii OPTIONAL

+ OUT CHAR8 *Ascii, OPTIONAL

+ OUT CHAR8 *DecSpecialGraphics OPTIONAL

)

{

UNICODE_TO_CHAR *Table;

@@ -897,6 +1078,9 @@ TerminalIsValidTextGraphics (
if (Ascii != NULL) {

*Ascii = Table->Ascii;

}

+ if (DecSpecialGraphics != NULL){

+ *DecSpecialGraphics = Table->DecSpecialGraphics;

+ }



return TRUE;

}

--
2.32.0

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