C++ (Cpp) process_escape_sequence Examples

Example #1

File: command.c Project: kthxbyte/KDE1-Linaro

/***************************************************************************
 * Read and process output from the application
 ***************************************************************************/
void get_token()
{
   unsigned int c;	/* magic token GCC_NULL is 0x100 so need an int*/ 


   /* somewhat changed. Matthias */ 
   /* Wait for something to do! */
   c = get_com_char(0);
   do {
     /* Got a character. Figure out what to do with it. */
      if(c>=' ' || c == '\n' || c == '\r' || c == '\t') 
	read_string();
      else
	{
	  switch(c)
	    {
	    case 0:         /* NUL does nothing */
	      break;
	    case EOF:
	      clean_exit(0);
	      break;
	    case 5:
	      cprintf("\033[?1;2c");/* I'm a VT100 w/ advanced video options */
	      break;
	    case 0xb:
	      scr_index(1);
	      break;
	    case 0xc:
	      scr_index(1);
	      break;
	    case ESC:
	      process_escape_sequence();
	      break;
	    case '\b' :
	      scr_backspace();
	      break;
	    case '\007' :	/* bell */
#ifdef MAPALERT
	      if (map_alert) XMapWindow(display,main_win);
#endif
	      XBell(display,0);
	      break;
	    case '\016':
	      scr_choose_charset(1);
	      break;
	    case '\017':
	      scr_choose_charset(0);
	      break;
	    }
	}
      c = get_com_char(1);
   }while(c != (unsigned int) GCC_NULL);
}

Example #2

File: echo.c Project: cpdesign/barebox

static int do_echo(struct command *cmdtp, int argc, char *argv[])
{
	int i, optind = 1;
	int fd = stdout, opt, newline = 1;
	char *file = NULL;
	int oflags = O_WRONLY | O_CREAT;
#ifdef CONFIG_CMD_ECHO_E
	char str[CONFIG_CBSIZE];
	int process_escape = 0;
#endif
	/* We can't use getopt() here because we want to
	 * echo all things we don't understand.
	 */
	while (optind < argc && *argv[optind] == '-') {
		if (!*(argv[optind] + 1) || *(argv[optind] + 2))
			break;

		opt = *(argv[optind] + 1);
		switch (opt) {
		case 'n':
			newline = 0;
			break;
		case 'a':
			oflags |= O_APPEND;
			if (optind + 1 < argc)
				file = argv[optind + 1];
			else
				goto no_optarg_out;
			optind++;
			break;
		case 'o':
			oflags |= O_TRUNC;
			file = argv[optind + 1];
			if (optind + 1 < argc)
				file = argv[optind + 1];
			else
				goto no_optarg_out;
			optind++;
			break;
#ifdef CONFIG_CMD_ECHO_E
		case 'e':
			process_escape = 1;
			break;
#endif
		default:
			goto exit_parse;
		}
		optind++;
	}

exit_parse:
	if (file) {
		fd = open(file, oflags);
		if (fd < 0) {
			perror("open");
			return 1;
		}
	}

	for (i = optind; i < argc; i++) {
		if (i > optind)
			fputc(fd, ' ');
#ifdef CONFIG_CMD_ECHO_E
		if (process_escape) {
			process_escape_sequence(argv[i], str, CONFIG_CBSIZE);
			fputs(fd, str);
		} else
#endif
			fputs(fd, argv[i]);
	}

	if (newline)
		fputc(fd, '\n');

	if (file)
		close(fd);

	return 0;

no_optarg_out:
	printf("option requires an argument -- %c\n", opt);
	return 1;
}