mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
570 lines
18 KiB
570 lines
18 KiB
/*
|
|
* Copyright (c) Microsoft Corporation
|
|
*
|
|
* Module Name :
|
|
* parser.c
|
|
*
|
|
* This is the file containing the client code for parsing vt100 escape sequences
|
|
* into console mode output.
|
|
*
|
|
*
|
|
* Sadagopan Rajaram -- Nov 3, 1999
|
|
*
|
|
*/
|
|
|
|
#include "tcclnt.h"
|
|
|
|
|
|
CHAR FinalCharacters[] = "mHJKr";
|
|
HANDLE hConsoleOutput;
|
|
BOOLEAN InEscape=FALSE;
|
|
BOOLEAN lastCharM = FALSE;
|
|
CHAR EscapeBuffer[MAX_TERMINAL_WIDTH];
|
|
int index=0;
|
|
SHORT ScrollTop = 0;
|
|
SHORT ScrollBottom = MAX_TERMINAL_HEIGHT -1;
|
|
#ifdef UNICODE
|
|
int DBCSIndex = 0;
|
|
CHAR DBCSArray[MB_CUR_MAX+1];
|
|
#endif
|
|
|
|
VOID (*AttributeFunction)(PCHAR, int);
|
|
|
|
VOID
|
|
PrintChar(
|
|
CHAR c
|
|
)
|
|
{
|
|
// A boolean variable to check if we are processing an escape sequence
|
|
|
|
if(c == '\033'){
|
|
InEscape = TRUE;
|
|
EscapeBuffer[0] = c;
|
|
index = 1;
|
|
return;
|
|
}
|
|
if(InEscape == TRUE){
|
|
if(index == MAX_TERMINAL_WIDTH){
|
|
// vague escape sequence,give up processing
|
|
InEscape = FALSE;
|
|
index=0;
|
|
return;
|
|
}
|
|
EscapeBuffer[index]=c;
|
|
index++;
|
|
if(FinalCharacter(c)){
|
|
if(c=='m'){
|
|
// maybe getting \017
|
|
lastCharM = TRUE;
|
|
}
|
|
ProcessEscapeSequence(EscapeBuffer, index);
|
|
InEscape = FALSE;
|
|
index=0;
|
|
}
|
|
return;
|
|
}
|
|
if(lastCharM && c == '\017'){
|
|
lastCharM = FALSE;
|
|
return;
|
|
}
|
|
OutputConsole(c);
|
|
return;
|
|
}
|
|
|
|
BOOLEAN
|
|
FinalCharacter(
|
|
CHAR c
|
|
)
|
|
{
|
|
|
|
if(strchr(FinalCharacters,c)){
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
VOID
|
|
ProcessEscapeSequence(
|
|
PCHAR Buffer,
|
|
int length
|
|
)
|
|
{
|
|
|
|
|
|
// BUGBUG - Function too big, can optimize code size by having
|
|
// an action variable which is initialized when the strings are
|
|
// compared, so that cut and paste code can be eliminated.
|
|
|
|
CONSOLE_SCREEN_BUFFER_INFO csbInfo;
|
|
ULONG charsToWrite;
|
|
ULONG charsWritten;
|
|
PCHAR pTemp;
|
|
int RetVal;
|
|
|
|
|
|
|
|
if (length == 3) {
|
|
// One of the home cursor or clear to end of display
|
|
if (strncmp(Buffer,"\033[H",length)==0) {
|
|
// Home the cursor
|
|
csbInfo.dwCursorPosition.X = 0;
|
|
csbInfo.dwCursorPosition.Y = 0;
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
return;
|
|
}
|
|
if(strncmp(Buffer,"\033[J", length) == 0){
|
|
// clear to end of display assuming 80 X 24 size
|
|
RetVal = GetConsoleScreenBufferInfo(hConsoleOutput,
|
|
&csbInfo
|
|
);
|
|
if (RetVal == FALSE) {
|
|
return;
|
|
}
|
|
SetConsoleMode(hConsoleOutput,
|
|
ENABLE_WRAP_AT_EOL_OUTPUT|ENABLE_PROCESSED_OUTPUT
|
|
);
|
|
|
|
charsToWrite = (MAX_TERMINAL_HEIGHT -
|
|
csbInfo.dwCursorPosition.Y)*MAX_TERMINAL_WIDTH -
|
|
csbInfo.dwCursorPosition.X;
|
|
|
|
RetVal = FillConsoleOutputAttribute(hConsoleOutput,
|
|
csbInfo.wAttributes,
|
|
charsToWrite,
|
|
csbInfo.dwCursorPosition,
|
|
&charsWritten
|
|
);
|
|
RetVal = FillConsoleOutputCharacter(hConsoleOutput,
|
|
0,
|
|
charsToWrite,
|
|
csbInfo.dwCursorPosition,
|
|
&charsWritten
|
|
);
|
|
|
|
|
|
SetConsoleMode(hConsoleOutput,
|
|
ENABLE_PROCESSED_OUTPUT
|
|
);
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
return;
|
|
}
|
|
if(strncmp(Buffer,"\033[K", length) == 0){
|
|
// clear to end of line assuming 80 X 24 size
|
|
RetVal = GetConsoleScreenBufferInfo(hConsoleOutput,
|
|
&csbInfo
|
|
);
|
|
if (RetVal == FALSE) {
|
|
return;
|
|
}
|
|
charsToWrite = (MAX_TERMINAL_WIDTH - csbInfo.dwCursorPosition.X);
|
|
RetVal = FillConsoleOutputAttribute(hConsoleOutput,
|
|
csbInfo.wAttributes,
|
|
charsToWrite,
|
|
csbInfo.dwCursorPosition,
|
|
&charsWritten
|
|
);
|
|
RetVal = FillConsoleOutputCharacter(hConsoleOutput,
|
|
0,
|
|
charsToWrite,
|
|
csbInfo.dwCursorPosition,
|
|
&charsWritten
|
|
);
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
return;
|
|
}
|
|
if (strncmp(Buffer,"\033[r", length) == 0) {
|
|
ScrollTop = 0;
|
|
ScrollBottom = MAX_TERMINAL_HEIGHT -1;
|
|
}
|
|
}
|
|
|
|
if (length == 4) {
|
|
// One of the home cursor or clear to end of display
|
|
if (strncmp(Buffer,"\033[0H",length)==0) {
|
|
// Home the cursor
|
|
csbInfo.dwCursorPosition.X = 0;
|
|
csbInfo.dwCursorPosition.Y = 0;
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
return;
|
|
}
|
|
if(strncmp(Buffer,"\033[2J",length) == 0){
|
|
// Home the cursor
|
|
csbInfo.dwCursorPosition.X = 0;
|
|
csbInfo.dwCursorPosition.Y = 0;
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
sprintf(Buffer, "\033[0J");
|
|
}
|
|
|
|
if(strncmp(Buffer,"\033[0J", length) == 0){
|
|
// clear to end of display assuming 80 X 24 size
|
|
RetVal = GetConsoleScreenBufferInfo(hConsoleOutput,
|
|
&csbInfo
|
|
);
|
|
if (RetVal == FALSE) {
|
|
return;
|
|
}
|
|
SetConsoleMode(hConsoleOutput,
|
|
ENABLE_WRAP_AT_EOL_OUTPUT|ENABLE_PROCESSED_OUTPUT
|
|
);
|
|
|
|
charsToWrite = (MAX_TERMINAL_HEIGHT -
|
|
csbInfo.dwCursorPosition.Y)*MAX_TERMINAL_WIDTH -
|
|
csbInfo.dwCursorPosition.X;
|
|
|
|
RetVal = FillConsoleOutputAttribute(hConsoleOutput,
|
|
csbInfo.wAttributes,
|
|
charsToWrite,
|
|
csbInfo.dwCursorPosition,
|
|
&charsWritten
|
|
);
|
|
RetVal = FillConsoleOutputCharacter(hConsoleOutput,
|
|
0,
|
|
charsToWrite,
|
|
csbInfo.dwCursorPosition,
|
|
&charsWritten
|
|
);
|
|
|
|
|
|
SetConsoleMode(hConsoleOutput,
|
|
ENABLE_PROCESSED_OUTPUT
|
|
);
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
return;
|
|
}
|
|
if((strncmp(Buffer,"\033[0K", length) == 0) ||
|
|
(strncmp(Buffer,"\033[2K",length) == 0)){
|
|
// clear to end of line assuming 80 X 24 size
|
|
RetVal = GetConsoleScreenBufferInfo(hConsoleOutput,
|
|
&csbInfo
|
|
);
|
|
if (RetVal == FALSE) {
|
|
return;
|
|
}
|
|
charsToWrite = (MAX_TERMINAL_WIDTH - csbInfo.dwCursorPosition.X);
|
|
RetVal = FillConsoleOutputAttribute(hConsoleOutput,
|
|
csbInfo.wAttributes,
|
|
charsToWrite,
|
|
csbInfo.dwCursorPosition,
|
|
&charsWritten
|
|
);
|
|
RetVal = FillConsoleOutputCharacter(hConsoleOutput,
|
|
0,
|
|
charsToWrite,
|
|
csbInfo.dwCursorPosition,
|
|
&charsWritten
|
|
);
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
return;
|
|
}
|
|
if((strncmp(Buffer,"\033[0m", length) == 0)||
|
|
(strncmp(Buffer,"\033[m\017", length) == 0)){
|
|
// clear all attributes and set Text attributes to black on white
|
|
SetConsoleTextAttribute(hConsoleOutput,
|
|
FOREGROUND_RED |FOREGROUND_BLUE |FOREGROUND_GREEN
|
|
);
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
if(Buffer[length-1] == 'm'){
|
|
//set the text attributes
|
|
// clear all attributes and set Text attributes to white on black
|
|
SetConsoleTextAttribute(hConsoleOutput,
|
|
FOREGROUND_RED |FOREGROUND_BLUE |FOREGROUND_GREEN
|
|
);
|
|
AttributeFunction(Buffer, length);
|
|
return;
|
|
}
|
|
|
|
|
|
if(Buffer[length -1] == 'H'){
|
|
// Set cursor position
|
|
if (sscanf(Buffer,"\033[%d;%d", &charsToWrite, &charsWritten) == 2) {
|
|
csbInfo.dwCursorPosition.Y = (SHORT)(charsToWrite -1);
|
|
csbInfo.dwCursorPosition.X = (SHORT)(charsWritten -1);
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
}
|
|
return;
|
|
|
|
}
|
|
if(Buffer[length -1] == 'r'){
|
|
// Set scroll region
|
|
sscanf(Buffer,"\033[%d;%d", &charsToWrite,&charsWritten);
|
|
if ((charsToWrite < 1)
|
|
|| (charsToWrite > MAX_TERMINAL_HEIGHT)
|
|
|| (charsWritten < charsToWrite)) {
|
|
return;
|
|
}
|
|
ScrollTop = (SHORT)(charsToWrite -1);
|
|
ScrollBottom = (SHORT)(charsWritten -1);
|
|
}
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
ProcessTextAttributes(
|
|
PCHAR Buffer,
|
|
int length
|
|
)
|
|
{
|
|
PCHAR CurrLoc = Buffer;
|
|
ULONG Attribute;
|
|
WORD TextAttribute = 0;
|
|
BOOLEAN Reverse = FALSE;
|
|
PCHAR pTemp;
|
|
|
|
while(*CurrLoc != 'm'){
|
|
if((*CurrLoc < '0') || (*CurrLoc >'9' )){
|
|
CurrLoc ++;
|
|
}else{
|
|
if (sscanf(CurrLoc,"%d", &Attribute) != 1) {
|
|
return;
|
|
}
|
|
switch(Attribute){
|
|
case 1:
|
|
TextAttribute = TextAttribute | FOREGROUND_INTENSITY;
|
|
break;
|
|
case 37:
|
|
TextAttribute = TextAttribute|FOREGROUND_RED |FOREGROUND_BLUE |FOREGROUND_GREEN;
|
|
break;
|
|
case 47:
|
|
TextAttribute = TextAttribute|BACKGROUND_RED |BACKGROUND_BLUE |BACKGROUND_GREEN;
|
|
break;
|
|
case 34:
|
|
TextAttribute = TextAttribute|FOREGROUND_BLUE;
|
|
break;
|
|
case 44:
|
|
TextAttribute = TextAttribute|BACKGROUND_BLUE;
|
|
break;
|
|
case 31:
|
|
TextAttribute = TextAttribute|FOREGROUND_RED;
|
|
break;
|
|
case 41:
|
|
TextAttribute = TextAttribute|BACKGROUND_RED;
|
|
break;
|
|
case 33:
|
|
TextAttribute = TextAttribute|FOREGROUND_GREEN|FOREGROUND_BLUE;
|
|
break;
|
|
case 43:
|
|
TextAttribute = TextAttribute|BACKGROUND_GREEN|BACKGROUND_BLUE;
|
|
break;
|
|
case 7:
|
|
// Reverse the background and foreground colors
|
|
Reverse=TRUE;
|
|
default:
|
|
break;
|
|
}
|
|
pTemp = strchr(CurrLoc, ';');
|
|
if(pTemp == NULL){
|
|
pTemp = strchr(CurrLoc, 'm');
|
|
}
|
|
if(pTemp == NULL) {
|
|
break;
|
|
}
|
|
CurrLoc = pTemp;
|
|
|
|
}
|
|
}
|
|
if (Reverse) {
|
|
if ((!TextAttribute) ||
|
|
(TextAttribute == FOREGROUND_INTENSITY)) {
|
|
// Reverse vt100 escape sequence.
|
|
TextAttribute = TextAttribute |
|
|
BACKGROUND_RED |BACKGROUND_BLUE |BACKGROUND_GREEN;
|
|
}
|
|
}
|
|
if(TextAttribute){
|
|
SetConsoleTextAttribute(hConsoleOutput,
|
|
TextAttribute
|
|
);
|
|
}
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
VOID
|
|
vt100Attributes(
|
|
PCHAR Buffer,
|
|
int length
|
|
)
|
|
{
|
|
PCHAR CurrLoc = Buffer;
|
|
ULONG Attribute;
|
|
WORD TextAttribute = 0;
|
|
PCHAR pTemp;
|
|
|
|
while(*CurrLoc != 'm'){
|
|
if((*CurrLoc < '0') || (*CurrLoc >'9' )){
|
|
CurrLoc ++;
|
|
}else{
|
|
if (sscanf(CurrLoc,"%d", &Attribute) != 1) {
|
|
return;
|
|
}
|
|
|
|
switch(Attribute){
|
|
case 1:
|
|
TextAttribute = TextAttribute | FOREGROUND_INTENSITY;
|
|
break;
|
|
case 5:
|
|
TextAttribute = TextAttribute | BACKGROUND_INTENSITY;
|
|
break;
|
|
case 7:
|
|
TextAttribute = TextAttribute |
|
|
BACKGROUND_RED |BACKGROUND_BLUE |BACKGROUND_GREEN;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
pTemp = strchr(CurrLoc, ';');
|
|
if(pTemp == NULL){
|
|
pTemp = strchr(CurrLoc, 'm');
|
|
}
|
|
if(pTemp == NULL) {
|
|
break;
|
|
}
|
|
CurrLoc = pTemp;
|
|
|
|
}
|
|
}
|
|
if(TextAttribute){
|
|
SetConsoleTextAttribute(hConsoleOutput,
|
|
TextAttribute
|
|
);
|
|
}
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
OutputConsole(
|
|
CHAR byte
|
|
)
|
|
{
|
|
|
|
CONSOLE_SCREEN_BUFFER_INFO csbInfo;
|
|
COORD dwBufferCoord;
|
|
SMALL_RECT sRect;
|
|
BOOL RetVal;
|
|
TCHAR Char;
|
|
SHORT ypos;
|
|
CHAR_INFO Fill;
|
|
DWORD charsWritten;
|
|
|
|
|
|
if (byte == '\n'){
|
|
RetVal = GetConsoleScreenBufferInfo(hConsoleOutput,
|
|
&csbInfo
|
|
);
|
|
if (RetVal == FALSE) {
|
|
return;
|
|
}
|
|
ypos = csbInfo.dwCursorPosition.Y;
|
|
if ((ypos == ScrollBottom ) || (ypos == MAX_TERMINAL_HEIGHT -1 )) {
|
|
// Do the scrolling
|
|
dwBufferCoord.X = 0;
|
|
dwBufferCoord.Y = ScrollBottom;
|
|
Fill.Char.UnicodeChar = (WCHAR) 0;
|
|
Fill.Attributes = FOREGROUND_RED |FOREGROUND_BLUE |FOREGROUND_GREEN;
|
|
if ((ypos == ScrollBottom)
|
|
&& (ScrollTop != ScrollBottom)) {
|
|
sRect.Left = 0;
|
|
sRect.Top = ScrollTop + 1;
|
|
sRect.Right = MAX_TERMINAL_WIDTH-1;
|
|
sRect.Bottom = ScrollBottom;
|
|
dwBufferCoord.Y = ScrollTop;
|
|
dwBufferCoord.X = 0;
|
|
RetVal = ScrollConsoleScreenBuffer(hConsoleOutput,
|
|
&sRect,
|
|
NULL,
|
|
dwBufferCoord,
|
|
&Fill
|
|
);
|
|
dwBufferCoord.Y = ScrollBottom;
|
|
|
|
} else {
|
|
if (ypos == MAX_TERMINAL_HEIGHT -1){
|
|
sRect.Left = 0;
|
|
sRect.Top = 1;
|
|
sRect.Right = MAX_TERMINAL_WIDTH-1;
|
|
sRect.Bottom = MAX_TERMINAL_HEIGHT - 1;
|
|
dwBufferCoord.Y = 0;
|
|
dwBufferCoord.X = 0;
|
|
RetVal = ScrollConsoleScreenBuffer(hConsoleOutput,
|
|
&sRect,
|
|
NULL,
|
|
dwBufferCoord,
|
|
&Fill
|
|
);
|
|
dwBufferCoord.Y = MAX_TERMINAL_HEIGHT -1;
|
|
}
|
|
}
|
|
RetVal = FillConsoleOutputCharacter(hConsoleOutput,
|
|
(TCHAR) 0,
|
|
MAX_TERMINAL_WIDTH,
|
|
dwBufferCoord,
|
|
&charsWritten
|
|
);
|
|
return;
|
|
|
|
} else {
|
|
|
|
csbInfo.dwCursorPosition.Y = ypos + 1;
|
|
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
}
|
|
return;
|
|
}
|
|
if (byte == '\r'){
|
|
RetVal = GetConsoleScreenBufferInfo(hConsoleOutput,
|
|
&csbInfo
|
|
);
|
|
if (RetVal == FALSE) {
|
|
return;
|
|
}
|
|
csbInfo.dwCursorPosition.X = 0;
|
|
|
|
SetConsoleCursorPosition(hConsoleOutput,
|
|
csbInfo.dwCursorPosition
|
|
);
|
|
return;
|
|
}
|
|
|
|
|
|
Char = (TCHAR) byte;
|
|
|
|
#ifdef UNICODE
|
|
DBCSArray[DBCSIndex] = byte;
|
|
if(DBCSIndex ==0){
|
|
if(isleadbyte(byte)){
|
|
DBCSIndex ++;
|
|
return;
|
|
}
|
|
}
|
|
else{
|
|
mbtowc(&Char, DBCSArray, 2);
|
|
DBCSIndex = 0;
|
|
}
|
|
#endif
|
|
_tprintf(_T("%c"),Char);
|
|
return;
|
|
}
|