ansiprsr.cpp

来自「一个类似windows」· C++ 代码 · 共 1,477 行 · 第 1/3 页

				buf[iParam[0]] = 0;
				if ( fast_write )
					Console.WriteStringFast(buf, iParam[0]);
				else
					Console.WriteString(buf, iParam[0]);
			// } /* IF */
		break;
		// Go to line p
		// Added by I.Ioannou 06 April, 1997
		case 'd': 
			if (iCurrentParam < 1)			// Alter Default
				iParam[0] = 0;
			// this was backward, and we should subtract 1 from y
			// (Paul Brannan 5/27/98)
			ConSetCursorPos(Console.GetCursorX(), iParam[0] - 1);
			break;
		// iBCS2 tab erase
		// Added by I.Ioannou 06 April, 1997
		case 'g': 
			if (iCurrentParam < 1)			// Alter Default
				iParam[0] = 0;
			switch (iParam[0]) {
				case 0:
					{
						// Clear the horizontal tab stop at the current active position
						for(int j = 0; j < MAX_TAB_POSITIONS; j++) {
							int x = Console.GetCursorX();
							if(tab_stops[j] == x) tab_stops[j] = tab_stops[x + 1];
						}
					}
					break;
				case 2:
					// I think this might be "set as default?"
					break;
				case 3:
					{
						// Clear all tab stops
						for(int j = 0; j < MAX_TAB_POSITIONS; j++)
							tab_stops[j] = -1;
					}
					break;
			}
			break;
		// Set extended mode
		case 'h': 
			{
				for (int i = 0; i < iCurrentParam; i++) {
					// Changed to a switch statement (Paul Brannan 5/27/98)
					if(flag & FLAG_QMARK) {
						switch(iParam[i]) {
							case 1: // App cursor keys
								KeyTrans.set_ext_mode(APP_KEY);
								break;
							case 2: // VT102 mode
								vt52_mode = 0;
								KeyTrans.unset_ext_mode(APP2_KEY);
								break;
							case 3: // 132 columns
								if(ini.get_wide_enable()) {
									Console.SetWindowSize(132, -1);
								}
								break;
							case 4: // smooth scrolling
								break;
							case 5: // Light background
								Console.Lightbg();
								break;
							case 6: // Stay in margins
								ignore_margins = 0;
								break;
							case 7:
								Console.setLineWrap(true);
								break;
							case 8:	// Auto-repeat keys
								break;
							case 18: // Send FF to printer
								break;
							case 19: // Entire screen legal for printer
								break;
							case 25: // Visible cursor
								break;
							case 66: // Application numeric keypad
								break;
							default:
#ifdef DEBUG
								Console.Beep();
#endif
								break;
						}
					} else {
						switch(iParam[i]) {
							case 2: // Lock keyboard
								break;
							case 3: // Act upon control codes (PB 12/5/98)
								print_ctrl = 0;
								break;
							case 4: // Set insert mode
								Console.InsertMode(1);
								break;
							case 12: // Local echo off
								break;
							case 20: // Newline sends cr/lf
								KeyTrans.set_ext_mode(APP4_KEY);
								newline_mode = true;
								break;
							default:
#ifdef DEBUG
								Console.Beep();
#endif
								break;
						}
					}
				}
			}
			break;
		// Print Screen
		case 'i': 
			if (iCurrentParam < 1)
				iParam[0]=0;
			switch (iParam[0]){
				case 0: break; // Print Screen
				case 1: break; // Print Line
				// Added I.Ioannou 06 April, 1997
				case 4:
					// Stop Print Log
					InPrintMode = 0;
					if ( printfile != NULL )
						fclose(printfile);
					break;
				case 5:
					// Start Print Log
					printfile = fopen(ini.get_printer_name(), "ab");
					if (printfile != NULL) InPrintMode = 1;
					break;
			}
			break;
		// Unset extended mode
		case 'l': 
			{
				for (int i = 0; i < iCurrentParam; i++) {
					// Changed to a switch statement (Paul Brannan 5/27/98)
					if(flag & FLAG_QMARK) {
						switch(iParam[i]) {
							case 1: // Numeric cursor keys
								KeyTrans.unset_ext_mode(APP_KEY);
								break;
							case 2: // VT52 mode
								vt52_mode = 1;
								KeyTrans.set_ext_mode(APP2_KEY);
								break;
							case 3: // 80 columns
								if(ini.get_wide_enable()) {
									Console.SetWindowSize(80, -1);
								}
								break;
							case 4: // jump scrolling
								break;
							case 5: // Dark background
								Console.Darkbg();
								break;
							case 6: // Ignore margins
								ignore_margins = 1;
								break;
							case 7:
								Console.setLineWrap(false);
								break;
							case 8:	// Auto-repeat keys
								break;
							case 19: // Only send scrolling region to printer
								break;
							case 25: // Invisible cursor
								break;
							case 66: // Numeric keypad
								break;
							default:
#ifdef DEBUG
								Console.Beep();
#endif
								break;
						}
					} else {
						switch(iParam[i]) {
							case 2: // Unlock keyboard
								break;
							case 3: // Display control codes (PB 12/5/98)
								print_ctrl = 1;
								break;
							case 4: // Set overtype mode
								Console.InsertMode(0);
								break;
							case 12: // Local echo on
								break;
							case 20: // sends lf only
								KeyTrans.unset_ext_mode(APP4_KEY);
								newline_mode = false;
								break;
							default:
#ifdef DEBUG
								Console.Beep();
#endif
								break;
						}
					}
				}
			}
			break;
		// Set color
		case 'm':
			if(missing_param) Console.Normal();
			if(iCurrentParam == 0) {
				Console.Normal();
			} else {
				for(int i = 0; i < iCurrentParam; i++)
					ConSetAttribute(iParam[i]);
			}
			break;
		// report cursor position Row X Col
		case 'n': 
			if (iCurrentParam == 1 && iParam[0]==5) {
				// report the cursor position
				Network.WriteString("\x1B[0n", 6);
				break;
			}
			if (iCurrentParam == 1 && iParam[0]==6){
				// report the cursor position
				// The cursor position needs to be sent as a single string
				// (Paul Brannan 6/27/98)
				char szCursorReport[40] = "\x1B[";

				itoa(Console.GetCursorY() + 1,
					&szCursorReport[strlen(szCursorReport)], 10);
				strcat(szCursorReport, ";");
				itoa(Console.GetCursorX() + 1,
					&szCursorReport[strlen(szCursorReport)], 10);
				strcat(szCursorReport, "R");

				Network.WriteString(szCursorReport, strlen(szCursorReport));
		
			}
			break;
		// Miscellaneous weird sequences (Paul Brannan 6/27/98)
		case 'p':
			// Set conformance level
			if(flag & FLAG_QUOTE) {
				break;
			}
			// Soft terminal reset
			if(flag & FLAG_EXCLAM) {
				break;
			}
			// Report mode settings
			if(flag & FLAG_DOLLAR) {
				break;
			}
			break;
		// Scroll Screen
		case 'r': 
			if (iCurrentParam < 1) {
				// Enable scrolling for entire display
				Console.SetScroll(-1, -1);
				break;
			}
			if (iCurrentParam >1) {
				// Enable scrolling from row1 to row2
				Console.SetScroll(iParam[0] - 1, iParam[1] - 1);
				// If the cursor is outside the scrolling range, fix it
				// (Paul Brannan 6/26/98)
				// if(Console.GetRawCursorY() < iParam[0] - 1) {
				// 	Console.SetRawCursorPosition(Console.GetCursorX(),
				// 		iParam[0] - 1);
				// }
				// if(Console.GetRawCursorY() > iParam[1] - 1) {
				// 	Console.SetRawCursorPosition(Console.GetCursorX(),
				// 		iParam[1] - 1);
				// }
			}
			// Move the cursor to the home position (Paul Brannan 12/2/98)
			Console.SetCursorPosition(0, 0);
			break;
		// Save cursor position
		case 's': 
			SaveCurY(Console.GetRawCursorY());
			SaveCurX(Console.GetRawCursorX());
			break;
		// Restore cursor position
		case 'u': 
			Console.SetRawCursorPosition(iSavedCurX, iSavedCurY);
			break;
		// DEC terminal report (Paul Brannan 6/28/98)
		case 'x':
			if(iParam[0])
				Network.WriteString("\033[3;1;1;128;128;1;0x", 20);
			else
				Network.WriteString("\033[2;1;1;128;128;1;0x", 20);
			break;
		default:
#ifdef DEBUG
			Console.Beep();
#endif
			break;
	}

	return pszBuffer;
}

#ifdef MTE_SUPPORT
// Added by Frediano Ziglio, 5/31/2000
// MTE extension
// initially copied from ParseEscapeANSI
char* TANSIParser::ParseEscapeMTE(char* pszBuffer, char* pszBufferEnd)
{
	//      The buffer contains something like <ESC>~pA
	//      where p is an optional decimal number specifying the count by which the
	//      appropriate action should take place.
	//      The pointer pszBuffer points us to the p, <ESC> and ~ are
	//      already 'consumed'
	//      TITUS: Simplification of the code: Assume default count of 1 in case
	//      there are no parameters.
	char tmpc;
	const int nParam = 10;  // Maximum number of parameters
	int     iParam[nParam] = {1, 0, 0, 0, 0};       // Assume 1 parameter, Default 1
	int iCurrentParam = 0;
	char sRepeat[2];
	
	// Get parameters from escape sequence.
	while ((tmpc = *pszBuffer) <= '?') {
		if(tmpc < '0' || tmpc > '9') {
			// Check for parameter delimiter.
			if(tmpc == ';') {
				pszBuffer++;
				continue;
			}
			pszBuffer++;
		}
		
		//  Got Numerical Parameter.
		iParam[iCurrentParam] = strtoul(pszBuffer, &pszBuffer, 10);
		if (iCurrentParam < nParam)
			iCurrentParam++;
	}
	
	//~~~ TITUS: Apparently the digit is optional (look at termcap or terminfo)
	// So: If there is no digit, assume a count of 1
	
	switch ((unsigned char)*pszBuffer++) {
		case 'A':
			// set colors
			if (iCurrentParam < 2 )
				break;
			if (iParam[0] <= 15 && iParam[1] <= 15)
				Console.SetAttrib( (iParam[1] << 4) | iParam[0] );
			break;
			
		case 'R':
			// define region
			mteRegionXF = -1;
			if (iCurrentParam < 2 )
				break;
			mteRegionXF = iParam[1]-1;
			mteRegionYF = iParam[0]-1;
			break;
			
		case 'F':
			// fill with char
			{
				if (mteRegionXF == -1 || iCurrentParam < 1)
					break;
				sRepeat[0] = (char)iParam[0];
				sRepeat[1] = '\0';
				int xi = Console.GetCursorX(),yi = Console.GetCursorY();
				int xf = mteRegionXF;
				int yf = mteRegionYF;
				mteRegionXF = -1;
				for(int y=yi;y<=yf;++y)
				{
					Console.SetCursorPosition(xi,y);
					for(int x=xi;x<=xf;++x)
						
						Console.WriteStringFast(sRepeat,1);
				}
			}
			break;
			
		case 'S':
			// Scroll region
			{
				if (mteRegionXF == -1 || iCurrentParam < 2)
					break;
				int /*x = Console.GetCursorX(),*/y = Console.GetCursorY();
				// int xf = mteRegionXF;
				int yf = mteRegionYF;
				mteRegionXF = -1;
				// !!! don't use x during scroll
				int diff = (iParam[0]-1)-y;
				if (diff<0)
					Console.ScrollDown(y-1,yf,diff);
				else
					Console.ScrollDown(y,yf+1,diff);
			}
			break;
			// Meridian main version ??
		case 'x':
			// disable echo and line mode
			Network.set_local_echo(0);
			Network.set_line_mode(0);
			// Meridian Server handle cursor itself
			Console.SetCursorSize(0);
			break;
			// query ??
		case 'Q':
			if (iParam[0] == 1)
				Network.WriteString("\033vga.",5);
			break;
		default:
#ifdef DEBUG
			Console.Beep();
#endif
			break;
	}
	
	return pszBuffer;
 }
#endif

char* TANSIParser::ParseEscape(char* pszBuffer, char* pszBufferEnd) {
	char *pszChar;

	// Check if we have enough characters in buffer.
	if ((pszBufferEnd - pszBuffer) < 2)
		return pszBuffer;
	
	//  I.Ioannou 04 Sep 1997
	// there is no need for pszBuffer++; after each command
	
	// Decode the command.
	pszBuffer++;
	
	switch (*pszBuffer++) {
		case 'A': // Cursor up
			Console.MoveCursorPosition(0, -1);
			break;
		// Cursor down
		case 'B': 
  			Console.MoveCursorPosition(0, 1);
			break;
		// Cursor right
		case 'C':
  			Console.MoveCursorPosition(1, 0);
			break;
		// LF *or* cursor left (Paul Brannan 6/27/98)
		case 'D':
			if(vt52_mode)
				Console.MoveCursorPosition(-1, 0);
			else
				Console.index();
			break;
		// CR/LF (Paul Brannan 6/26/98)
		case 'E':
			Console.WriteCtrlString("\r\n", 2);
			break;
		// Special graphics char set (Paul Brannan 6/27/98)
		case 'F':
			Charmap.setmap('0');
			break;
		// ASCII char set (Paul Brannan 6/27/98)
		case 'G':
			Charmap.setmap('B');
			break;
		// Home cursor/tab set
		case 'H': 
			if(ini.get_vt100_mode()) {
				int x = Console.GetCursorX();
				if(x != 0) {
					int t = tab_stops[x - 1];
					for(int j = x - 1; j >= 0 && tab_stops[j] == t; j--)
						tab_stops[j] = x;
				}
			} else {
				//  I.Ioannou 04 Sep 1997 (0,0) not (1,1)
				ConSetCursorPos(0, 0);
			}
			break;
		// Reverse line feed (Paul Brannan 6/27/98)
		// FIX ME!!!  reverse_index is wrong to be calling here
		// (Paul Brannan 12/2/98)
		case 'I':
			Console.reverse_index();
			break;
		// Erase end of screen
		case 'J': 
			Console.ClearEOScreen();
			break;
		// Erase EOL