mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-28 12:25:19 +01:00
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/** @file
|
|
Implementation of translation upon PC ANSI.
|
|
|
|
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
|
|
#include "Terminal.h"
|
|
|
|
/**
|
|
Translate all raw data in the Raw FIFO into unicode, and insert
|
|
them into Unicode FIFO.
|
|
|
|
@param TerminalDevice The terminal device.
|
|
|
|
**/
|
|
VOID
|
|
AnsiRawDataToUnicode (
|
|
IN TERMINAL_DEV *TerminalDevice
|
|
)
|
|
{
|
|
UINT8 RawData;
|
|
|
|
//
|
|
// pop the raw data out from the raw fifo,
|
|
// and translate it into unicode, then push
|
|
// the unicode into unicode fifo, until the raw fifo is empty.
|
|
//
|
|
while (!IsRawFiFoEmpty (TerminalDevice) && !IsUnicodeFiFoFull (TerminalDevice)) {
|
|
|
|
RawFiFoRemoveOneKey (TerminalDevice, &RawData);
|
|
|
|
UnicodeFiFoInsertOneKey (TerminalDevice, (UINT16) RawData);
|
|
}
|
|
}
|
|
|
|
/**
|
|
Check if input string is valid Ascii string, valid EFI control characters
|
|
or valid text graphics.
|
|
|
|
@param TerminalDevice The terminal device.
|
|
@param WString The input string.
|
|
|
|
@retval EFI_UNSUPPORTED If not all input characters are valid.
|
|
@retval EFI_SUCCESS If all input characters are valid.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
AnsiTestString (
|
|
IN TERMINAL_DEV *TerminalDevice,
|
|
IN CHAR16 *WString
|
|
)
|
|
{
|
|
CHAR8 GraphicChar;
|
|
|
|
//
|
|
// support three kind of character:
|
|
// valid ascii, valid efi control char, valid text graphics.
|
|
//
|
|
for (; *WString != CHAR_NULL; WString++) {
|
|
|
|
if ( !(TerminalIsValidAscii (*WString) ||
|
|
TerminalIsValidEfiCntlChar (*WString) ||
|
|
TerminalIsValidTextGraphics (*WString, &GraphicChar, NULL) )) {
|
|
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|