diff options
Diffstat (limited to 'EdkModulePkg/Universal/Console/Terminal/Dxe/vtutf8.c')
| -rw-r--r-- | EdkModulePkg/Universal/Console/Terminal/Dxe/vtutf8.c | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/EdkModulePkg/Universal/Console/Terminal/Dxe/vtutf8.c b/EdkModulePkg/Universal/Console/Terminal/Dxe/vtutf8.c deleted file mode 100644 index 062d0d429f..0000000000 --- a/EdkModulePkg/Universal/Console/Terminal/Dxe/vtutf8.c +++ /dev/null @@ -1,270 +0,0 @@ -/*++
-
-Copyright (c) 2006, 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.
-
-Module Name:
-
- vtutf8.c
-
-Abstract:
-
-
-Revision History
---*/
-
-
-#include "Terminal.h"
-
-VOID
-VTUTF8RawDataToUnicode (
- IN TERMINAL_DEV *TerminalDevice
- )
-{
- UTF8_CHAR Utf8Char;
- UINT8 ValidBytes;
- UINT16 UnicodeChar;
-
- ValidBytes = 0;
- //
- // 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)) {
-
- GetOneValidUtf8Char (TerminalDevice, &Utf8Char, &ValidBytes);
-
- if (ValidBytes < 1 || ValidBytes > 3) {
- continue;
- }
-
- Utf8ToUnicode (Utf8Char, ValidBytes, (CHAR16 *) &UnicodeChar);
-
- UnicodeFiFoInsertOneKey (TerminalDevice, UnicodeChar);
- }
-}
-
-VOID
-GetOneValidUtf8Char (
- IN TERMINAL_DEV *Utf8Device,
- OUT UTF8_CHAR *Utf8Char,
- OUT UINT8 *ValidBytes
- )
-{
- UINT8 Temp;
- UINT8 Index;
- BOOLEAN FetchFlag;
-
- Temp = 0;
- Index = 0;
- FetchFlag = TRUE;
-
- //
- // if no valid Utf8 char is found in the RawFiFo,
- // then *ValidBytes will be zero.
- //
- *ValidBytes = 0;
-
- while (!IsRawFiFoEmpty (Utf8Device)) {
-
- RawFiFoRemoveOneKey (Utf8Device, &Temp);
-
- switch (*ValidBytes) {
-
- case 0:
- if ((Temp & 0x80) == 0) {
- //
- // one-byte utf8 char
- //
- *ValidBytes = 1;
-
- Utf8Char->Utf8_1 = Temp;
-
- FetchFlag = FALSE;
-
- } else if ((Temp & 0xe0) == 0xc0) {
- //
- // two-byte utf8 char
- //
- *ValidBytes = 2;
-
- Utf8Char->Utf8_2[1] = Temp;
-
- } else if ((Temp & 0xf0) == 0xe0) {
- //
- // three-byte utf8 char
- //
- *ValidBytes = 3;
-
- Utf8Char->Utf8_3[2] = Temp;
-
- Index++;
-
- } else {
- //
- // reset *ValidBytes to zero, let valid utf8 char search restart
- //
- *ValidBytes = 0;
- }
-
- break;
-
- case 2:
- if ((Temp & 0xc0) == 0x80) {
-
- Utf8Char->Utf8_2[0] = Temp;
-
- FetchFlag = FALSE;
-
- } else {
-
- *ValidBytes = 0;
- }
- break;
-
- case 3:
- if ((Temp & 0xc0) == 0x80) {
-
- Utf8Char->Utf8_3[2 - Index] = Temp;
- Index++;
- if (Index == 3) {
- FetchFlag = FALSE;
- }
- } else {
-
- *ValidBytes = 0;
- Index = 0;
- }
- break;
-
- default:
- break;
- }
-
- if (!FetchFlag) {
- break;
- }
- }
-
- return ;
-}
-
-VOID
-Utf8ToUnicode (
- IN UTF8_CHAR Utf8Char,
- IN UINT8 ValidBytes,
- OUT CHAR16 *UnicodeChar
- )
-{
- UINT8 UnicodeByte0;
- UINT8 UnicodeByte1;
- UINT8 Byte0;
- UINT8 Byte1;
- UINT8 Byte2;
-
- *UnicodeChar = 0;
-
- //
- // translate utf8 code to unicode, in terminal standard,
- // up to 3 bytes utf8 code is supported.
- //
- switch (ValidBytes) {
- case 1:
- //
- // one-byte utf8 code
- //
- *UnicodeChar = (UINT16) Utf8Char.Utf8_1;
- break;
-
- case 2:
- //
- // two-byte utf8 code
- //
- Byte0 = Utf8Char.Utf8_2[0];
- Byte1 = Utf8Char.Utf8_2[1];
-
- UnicodeByte0 = (UINT8) ((Byte1 << 6) | (Byte0 & 0x3f));
- UnicodeByte1 = (UINT8) ((Byte1 >> 2) & 0x07);
- *UnicodeChar = (UINT16) (UnicodeByte0 | (UnicodeByte1 << 8));
- break;
-
- case 3:
- //
- // three-byte utf8 code
- //
- Byte0 = Utf8Char.Utf8_3[0];
- Byte1 = Utf8Char.Utf8_3[1];
- Byte2 = Utf8Char.Utf8_3[2];
-
- UnicodeByte0 = (UINT8) ((Byte1 << 6) | (Byte0 & 0x3f));
- UnicodeByte1 = (UINT8) ((Byte2 << 4) | ((Byte1 >> 2) & 0x0f));
- *UnicodeChar = (UINT16) (UnicodeByte0 | (UnicodeByte1 << 8));
-
- default:
- break;
- }
-
- return ;
-}
-
-VOID
-UnicodeToUtf8 (
- IN CHAR16 Unicode,
- OUT UTF8_CHAR *Utf8Char,
- OUT UINT8 *ValidBytes
- )
-{
- UINT8 UnicodeByte0;
- UINT8 UnicodeByte1;
- //
- // translate unicode to utf8 code
- //
- UnicodeByte0 = (UINT8) Unicode;
- UnicodeByte1 = (UINT8) (Unicode >> 8);
-
- if (Unicode < 0x0080) {
-
- Utf8Char->Utf8_1 = (UINT8) (UnicodeByte0 & 0x7f);
- *ValidBytes = 1;
-
- } else if (Unicode < 0x0800) {
- //
- // byte sequence: high -> low
- // Utf8_2[0], Utf8_2[1]
- //
- Utf8Char->Utf8_2[1] = (UINT8) ((UnicodeByte0 & 0x3f) + 0x80);
- Utf8Char->Utf8_2[0] = (UINT8) ((((UnicodeByte1 << 2) + (UnicodeByte0 >> 6)) & 0x1f) + 0xc0);
-
- *ValidBytes = 2;
-
- } else {
- //
- // byte sequence: high -> low
- // Utf8_3[0], Utf8_3[1], Utf8_3[2]
- //
- Utf8Char->Utf8_3[2] = (UINT8) ((UnicodeByte0 & 0x3f) + 0x80);
- Utf8Char->Utf8_3[1] = (UINT8) ((((UnicodeByte1 << 2) + (UnicodeByte0 >> 6)) & 0x3f) + 0x80);
- Utf8Char->Utf8_3[0] = (UINT8) (((UnicodeByte1 >> 4) & 0x0f) + 0xe0);
-
- *ValidBytes = 3;
- }
-}
-
-EFI_STATUS
-VTUTF8TestString (
- IN TERMINAL_DEV *TerminalDevice,
- IN CHAR16 *WString
- )
-{
- //
- // to utf8, all kind of characters are supported.
- //
- return EFI_SUCCESS;
-}
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