Example #1
0
void
restore_rl_state()
{
  
  char *newprompt;


  move_cursor_to_start_of_prompt(impatient_prompt ? ERASE : DONT_ERASE);

  cook_prompt_if_necessary();
  newprompt =  mark_invisible(saved_rl_state.cooked_prompt); /* bracket (colour) control sequences with \001 and \002 */  
  rl_expand_prompt(newprompt);
  mirror_slaves_echo_mode();    /* don't show passwords etc */
  
  DPRINTF1(DEBUG_READLINE,"newprompt now %s", mangle_string_for_debug_log(newprompt,MANGLE_LENGTH));
  rl_callback_handler_install(newprompt, &line_handler);
  DPRINTF0(DEBUG_AD_HOC, "freeing newprompt");
  free(newprompt);             /* readline docs don't say it, but we can free newprompt now (readline apparently
                                  uses its own copy) */
  rl_insert_text(saved_rl_state.input_buffer);
  rl_point = saved_rl_state.point;
  saved_rl_state.already_saved = 0;
  DPRINTF0(DEBUG_AD_HOC, "Starting redisplay");
  rl_redisplay(); 
  rl_prep_terminal(1);
  prompt_is_still_uncooked =  FALSE; /* has been done right now */
}
Example #2
0
File: tui.c Project: 0mp/freebsd
/* TUI readline command.
   Switch the output mode between TUI/standard gdb.  */
static int
tui_rl_switch_mode (int notused1, int notused2)
{
  if (tui_active)
    {
      tui_disable ();
      rl_prep_terminal (0);
    }
  else
    {
      rl_deprep_terminal ();
      tui_enable ();
    }

  /* Clear the readline in case switching occurred in middle of something.  */
  if (rl_end)
    rl_kill_text (0, rl_end);

  /* Since we left the curses mode, the terminal mode is restored to
     some previous state.  That state may not be suitable for readline
     to work correctly (it may be restored in line mode).  We force an
     exit of the current readline so that readline is re-entered and it
     will be able to setup the terminal for its needs.  By re-entering
     in readline, we also redisplay its prompt in the non-curses mode.  */
  rl_newline (1, '\n');

  /* Make sure the \n we are returning does not repeat the last command.  */
  dont_repeat ();
  return 0;
}
Example #3
0
void jl_prep_terminal(int meta_flag)
{
    FILE *rl_in = rl_instream;
    rl_instream = stdin;
    rl_prep_terminal(1);
    rl_instream = rl_in;
#ifdef __WIN32__
    if (jl_uv_stdin->type == UV_TTY) uv_tty_set_mode((uv_tty_t*)jl_uv_stdin,1); //raw (and libuv-processed)
    if (!repl_sigint_handler_installed) {
        if (SetConsoleCtrlHandler((PHANDLER_ROUTINE)repl_sigint_handler,1))
            repl_sigint_handler_installed = 1;
    }
#else
    if (jl_sigint_act.sa_sigaction == NULL) {
        struct sigaction oldact, repl_sigint_act;
        memset(&repl_sigint_act, 0, sizeof(struct sigaction));
        sigemptyset(&repl_sigint_act.sa_mask);
        repl_sigint_act.sa_sigaction = repl_sigint_handler;
        repl_sigint_act.sa_flags = SA_SIGINFO;
        if (sigaction(SIGINT, &repl_sigint_act, &oldact) < 0) {
            JL_PRINTF(JL_STDERR, "sigaction: %s\n", strerror(errno));
            jl_exit(1);
        }
        if (repl_sigint_act.sa_sigaction != oldact.sa_sigaction &&
            jl_sigint_act.sa_sigaction != oldact.sa_sigaction)
            jl_sigint_act = oldact;
    }
#endif
}
Example #4
0
void log_prepare(const char *fn, const char *mode = NULL)
{
	rl_initialize();
	rl_prep_terminal(0);
	
    if(!mode)
        mode = "a";
    if(logfile)
        fclose(logfile);
    logfile = fopen(fn,mode);
}
Example #5
0
static char *
call_readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt)
{
	size_t n;
	char *p, *q;
	int signal;

#ifdef SAVE_LOCALE
	char *saved_locale = strdup(setlocale(LC_CTYPE, NULL));
	if (!saved_locale)
		Py_FatalError("not enough memory to save locale");
	setlocale(LC_CTYPE, "");
#endif

	if (sys_stdin != rl_instream || sys_stdout != rl_outstream) {
		rl_instream = sys_stdin;
		rl_outstream = sys_stdout;
#ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
		rl_prep_terminal (1);
#endif
	}

	p = readline_until_enter_or_signal(prompt, &signal);
	
	/* we got an interrupt signal */
	if (signal) {
		RESTORE_LOCALE(saved_locale)
		return NULL;
	}

	/* We got an EOF, return a empty string. */
	if (p == NULL) {
		p = PyMem_Malloc(1);
		if (p != NULL)
			*p = '\0';
		RESTORE_LOCALE(saved_locale)
		return p;
	}
Example #6
0
void
cmd_getnum(const unsigned long int idx, const unsigned long int spice)
{
	xmlNodePtr	db_node = NULL;
	xmlChar		*key = NULL, *value = NULL, *value_nl = NULL, *line = NULL, *line_randomed = NULL, *tmp = NULL;

	unsigned long int	lines = 0, line_req = 1, value_len = 0, line_len = 0, line_randomed_len = 0, erase_len = 0, i = 0;
	char		rc = 0;
	char		*rand_str = NULL;
	char		**fork_argv = NULL;
	int		child;
	int		pipefd[2];


	db_node = find_key(idx);
	if (db_node) {
		key = xmlGetProp(db_node, BAD_CAST "name");
		value = xmlGetProp(db_node, BAD_CAST "value");
		value_nl = parse_newlines(value, 0);
		xmlFree(value); value = NULL;

		value_len = xmlStrlen(value_nl);

		/* count how many (new)lines are in the string */
		for (i=0; i < value_len; i++)
			if (value_nl[i] == '\n')
				lines++;
		lines++;


#ifndef _READLINE
		/* clear the prompt temporarily */
		if (el_set(e, EL_PROMPT, el_prompt_null) != 0) {
			perror("ERROR: el_set(EL_PROMPT)");
		}
		if (el_set(e, EL_UNBUFFERED, 1) != 0) {
			perror("ERROR: el_set(EL_UNBUFFERED)");

			xmlFree(key); key = NULL;
			xmlFree(value_nl); value_nl = NULL;
			return;
		}
#else
		rl_prep_terminal(1);
#endif

		while (rc != 'q'  &&  rc != 4) {	/* quit for 'q' or EOT */
			if (batchmode)
				puts("");

			printf("[%s] ", key);	/* print the key */

			/* if multiline, prefix the line with a line number */
			if (lines > 1)
				printf("[%lu/%lu] ", line_req, lines);

			/* get a line out from the value */
			line = get_line(value_nl, line_req);
			line_len = xmlStrlen(line);

			if (spice > 0) {	/* if random padding is requested */
				line_randomed_len = line_len + line_len * spice + spice + 1;
				line_randomed = calloc(1, line_randomed_len); malloc_check(line_randomed);

				/* begin with the random string */
				rand_str = get_random_str(spice, 1);
				if (!rand_str) {
					xmlFree(key); key = NULL;
					xmlFree(value_nl); value_nl = NULL;
					xmlFree(line); line = NULL;
					free(line_randomed); line_randomed = NULL;

					return;
				}
				(void) strlcat((char *)line_randomed, rand_str, line_randomed_len);
				free(rand_str); rand_str = NULL;
				for (i = 0; i < line_len; i++) {
					/* append a character from the line */
					tmp = xmlUTF8Strsub(line, i, 1);
					(void) strlcat((char *)line_randomed, (const char *)tmp, line_randomed_len);
					xmlFree(tmp); tmp = NULL;

					/* append a random string */
					rand_str = get_random_str(spice, 1);
					if (!rand_str) {
						xmlFree(key); key = NULL;
						xmlFree(value_nl); value_nl = NULL;
						xmlFree(line); line = NULL;
						free(line_randomed); line_randomed = NULL;

						return;
					}
					(void) strlcat((char *)line_randomed, rand_str, line_randomed_len);
					free(rand_str); rand_str = NULL;
				}
				line_randomed[line_randomed_len - 1] = '\0';

				xmlFree(line); line = NULL;
				line = line_randomed;
			}

			printf("%s", line);
#ifdef _READLINE
			rl_redisplay();
#endif

			if (batchmode) {
				rc = 'q';
				puts("");
			} else {
				/* this is the prompt, after displaying the value */
#ifndef _READLINE
				el_getc(e, &rc);
#else
				rc = rl_read_key();
#endif

				/* erase (overwrite) the previously written value with spaces */
				printf("\r");
				erase_len = ERASE_LEN;
				for (i = 0; i < erase_len; i++)
					putchar(' ');

				printf("\r");


				/* process the keypress */
				switch (rc) {
					/* line forward */
					case 'f':
					case 'n':
					case 'j':
					case '+':
					case ' ':
					case '>':
					case ']':
					case '}':
					case 10:	/* editline */
					case 13:	/* readline */
						if (line_req < lines)
							line_req++;
						break;
					/* line backward */
					case 'b':
					case 'p':
					case 'k':
					case '-':
					case '<':
					case '[':
					case '{':
					case 8:
						if (line_req - 1 > 0)
							line_req--;
						break;
					/* jump to the requested line */
					case '1':
					case '2':
					case '3':
					case '4':
					case '5':
					case '6':
					case '7':
					case '8':
					case '9':
						if ((unsigned char)(rc - 48) <= lines)
							line_req = rc - 48;
						break;
					case 't':
						/* This is duplicated in cmd_clipboard.c */
						/* Copy value to tmux paste buffer */

						switch (child = fork()) {
							case -1:
								perror("\nERROR: Couldn't fork(2) for tmux(1)");
								break;
							case 0:	/* Child */
								close(0);	/* This is also needed for Editline's UNBUFFERED mode to continue to work properly. */
								close(1);

								if (bio_chain)
									BIO_free_all(bio_chain);

								if (db_params.db_file) {
									if (close(db_params.db_file) == -1) {
										perror("ERROR: child: close(database file)");
										exit(EXIT_FAILURE);
									} else {
										db_params.db_file = -1;
									}
								}

								fork_argv = malloc(5 * sizeof(char *)); malloc_check(fork_argv);
								fork_argv[0] = "tmux";
								fork_argv[1] = "set-buffer";
								fork_argv[2] = "--";
								fork_argv[3] = (char *) line;
								fork_argv[4] = NULL;

								if (execvp(fork_argv[0], fork_argv) == -1)
									dprintf(STDERR_FILENO, "ERROR: tmux: %s\n", strerror(errno));

								quit(EXIT_FAILURE);

								break;
							default: /* Parent */
								rc = 'q';
								break;
						}

						break;
					case 'x':
					case 'X':
						/* This is duplicated in cmd_clipboard.c */
						/* Copy value to X11 clipboard, using xclip(1) */

						pipe(pipefd);

						switch (child = fork()) {
							case -1:
								perror("\nERROR: Couldn't fork(2) for xclip(1)");
								break;
							case 0:	/* Child */
								close(0);	/* This is also needed for Editline's UNBUFFERED mode to continue to work properly. */
								close(1);
								close(pipefd[1]);

								if (bio_chain)
									BIO_free_all(bio_chain);

								if (db_params.db_file) {
									if (close(db_params.db_file) == -1) {
										perror("ERROR: child: close(database file)");
										exit(EXIT_FAILURE);
									} else {
										db_params.db_file = -1;
									}
								}

								fork_argv = malloc(4 * sizeof(char *)); malloc_check(fork_argv);
								fork_argv[0] = "xclip";
								fork_argv[1] = "-selection";
								if (rc == 'x') {
									fork_argv[2] = "primary";
								} else if (rc == 'X') {
									fork_argv[2] = "clipboard";
								}
								fork_argv[3] = NULL;

								/* stdin becomes the read end of the pipe in the child,
								 * and the exec'd process will have the same environment. */
								dup2(pipefd[0], 0);
								if (execvp(fork_argv[0], fork_argv) == -1)
									dprintf(STDERR_FILENO, "ERROR: xclip: %s\n", strerror(errno));

								quit(EXIT_FAILURE);

								break;
							default: /* Parent */
								/* Write the value to the pipe's write end, which will
								 * appear in the child's stdin (pipe's read end). */
								close(pipefd[0]);
								write(pipefd[1], line, line_len);
								close(pipefd[1]);

								rc = 'q';
								break;
						}

						break;
					default:
						break;
				}
			}

			xmlFree(line); line = NULL;
		}

		xmlFree(key); key = NULL;
		xmlFree(value_nl); value_nl = NULL;

#ifndef _READLINE
		/* re-enable the default prompt */
		if (el_set(e, EL_PROMPT, prompt_str) != 0) {
			perror("ERROR: el_set(EL_PROMPT)");
		}
		el_set(e, EL_UNBUFFERED, 0);
#else
		rl_deprep_terminal();
#endif
	} else
		puts("Invalid index!");
} /* cmd_getnum() */
Example #7
0
static char *
call_readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt)
{
	size_t n;
	char *p, *q;
	PyOS_sighandler_t old_inthandler;
#ifdef SAVE_LOCALE
	char *saved_locale = strdup(setlocale(LC_CTYPE, NULL));
	if (!saved_locale)
		Py_FatalError("not enough memory to save locale");
	setlocale(LC_CTYPE, "");
#endif

	old_inthandler = PyOS_setsig(SIGINT, onintr);
	if (setjmp(jbuf)) {
#ifdef HAVE_SIGRELSE
		/* This seems necessary on SunOS 4.1 (Rasmus Hahn) */
		sigrelse(SIGINT);
#endif
		PyOS_setsig(SIGINT, old_inthandler);
		return NULL;
	}
	if (event_hook) 
	  rl_event_hook = (Function *)on_event_hook;
	else
	  rl_event_hook = PyOS_InputHook;

	if (sys_stdin != rl_instream || sys_stdout != rl_outstream) {
		rl_instream = sys_stdin;
		rl_outstream = sys_stdout;
#ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
		rl_prep_terminal (1);
#endif
	}

	p = readline(prompt);
	PyOS_setsig(SIGINT, old_inthandler);

	/* We must return a buffer allocated with PyMem_Malloc. */
	if (p == NULL) {
		p = PyMem_Malloc(1);
		if (p != NULL)
			*p = '\0';
		return p;
	}
	n = strlen(p);
	if (n > 0) {
		char *line;
		HISTORY_STATE *state = history_get_history_state();
		if (state->length > 0)
			line = history_get(state->length)->line;
		else
			line = "";
		if (strcmp(p, line))
			add_history(p);
		/* the history docs don't say so, but the address of state
		   changes each time history_get_history_state is called
		   which makes me think it's freshly malloc'd memory...
		   on the other hand, the address of the last line stays the
		   same as long as history isn't extended, so it appears to
		   be malloc'd but managed by the history package... */
		free(state);
	}
	/* Copy the malloc'ed buffer into a PyMem_Malloc'ed one and
	   release the original. */
	q = p;
	p = PyMem_Malloc(n+2);
	if (p != NULL) {
		strncpy(p, q, n);
		p[n] = '\n';
		p[n+1] = '\0';
	}
	free(q);
#ifdef SAVE_LOCALE
	setlocale(LC_CTYPE, saved_locale); /* Restore locale */
	free(saved_locale);
#endif
	return p;
}