The Library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
+ the Free Software Foundation; either version 2, or (at your option)
any later version.
The Library is distributed in the hope that it will be useful, but
The GNU General Public License is often shipped with GNU software, and
is generally kept in a file called COPYING or LICENSE. If you do not
have a copy of the license, write to the Free Software Foundation,
- 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
#include "readline.h"
#include "history.h"
-/* Variables imported from other files in the readline library. */
-extern Keymap _rl_keymap;
-extern HIST_ENTRY *saved_line_for_history;
-extern int rl_line_buffer_len;
-extern int rl_point, rl_end;
-extern char *rl_line_buffer;
-
-extern void _rl_save_prompt ();
-extern void _rl_restore_prompt ();
+#include "rlprivate.h"
+#include "xmalloc.h"
-extern int rl_execute_next ();
-extern void rl_extend_line_buffer ();
+/* Variables exported to other files in the readline library. */
+char *_rl_isearch_terminators = (char *)NULL;
-extern int _rl_input_available ();
-
-extern char *xmalloc (), *xrealloc ();
+/* Variables imported from other files in the readline library. */
+extern HIST_ENTRY *_rl_saved_line_for_history;
-static int rl_search_history ();
+/* Forward declarations */
+static int rl_search_history PARAMS((int, int));
/* Last line found by the current incremental search, so we don't `find'
identical lines many times in a row. */
static char *prev_line_found;
+/* Last search string and its length. */
+static char *last_isearch_string;
+static int last_isearch_string_len;
+
+static char *default_isearch_terminators = "\033\012";
+
/* Search backwards through the history looking for a string which is typed
interactively. Start with the current line. */
int
searchlen = (search_string && *search_string) ? strlen (search_string) : 0;
- message = xmalloc (searchlen + 33);
+ message = (char *)xmalloc (searchlen + 33);
msglen = 0;
#if defined (NOTDEF)
strcpy (message + msglen, "': ");
- rl_message ("%s", message, 0);
+ rl_message ("%s", message);
free (message);
(*rl_redisplay_function) ();
}
/* Non-zero if we are doing a reverse search. */
int reverse;
+ /* The list of characters which terminate the search, but are not
+ subsequently executed. If the variable isearch-terminators has
+ been set, we use that value, otherwise we use ESC and C-J. */
+ char *isearch_terminators;
+
+ RL_SETSTATE(RL_STATE_ISEARCH);
orig_point = rl_point;
last_found_line = orig_line = where_history ();
reverse = direction < 0;
hlist = history_list ();
allocated_line = (char *)NULL;
+ isearch_terminators = _rl_isearch_terminators ? _rl_isearch_terminators
+ : default_isearch_terminators;
+
/* Create an arrary of pointers to the lines that we want to search. */
- maybe_replace_line ();
+ rl_maybe_replace_line ();
i = 0;
if (hlist)
for (i = 0; hlist[i]; i++);
for (i = 0; i < hlen; i++)
lines[i] = hlist[i]->line;
- if (saved_line_for_history)
- lines[i] = saved_line_for_history->line;
+ if (_rl_saved_line_for_history)
+ lines[i] = _rl_saved_line_for_history->line;
else
{
/* Keep track of this so we can free it. */
- allocated_line = xmalloc (1 + strlen (rl_line_buffer));
+ allocated_line = (char *)xmalloc (1 + strlen (rl_line_buffer));
strcpy (allocated_line, &rl_line_buffer[0]);
lines[i] = allocated_line;
}
/* The line where we start the search. */
i = orig_line;
- _rl_save_prompt ();
+ rl_save_prompt ();
/* Initialize search parameters. */
- search_string = xmalloc (search_string_size = 128);
+ search_string = (char *)xmalloc (search_string_size = 128);
*search_string = '\0';
search_string_index = 0;
prev_line_found = (char *)0; /* XXX */
found = failed = 0;
for (;;)
{
- Function *f = (Function *)NULL;
+ rl_command_func_t *f = (rl_command_func_t *)NULL;
/* Read a key and decide how to proceed. */
+ RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
- if (_rl_keymap[c].type == ISFUNC)
+ if (c >= 0 && _rl_keymap[c].type == ISFUNC)
{
f = _rl_keymap[c].function;
c = !reverse ? -1 : -2;
}
+#if 0
/* Let NEWLINE (^J) terminate the search for people who don't like
using ESC. ^M can still be used to terminate the search and
immediately execute the command. */
if (c == ESC || c == NEWLINE)
+#else
+ /* The characters in isearch_terminators (set from the user-settable
+ variable isearch-terminators) are used to terminate the search but
+ not subsequently execute the character as a command. The default
+ value is "\033\012" (ESC and C-J). */
+ if (strchr (isearch_terminators, c))
+#endif
{
/* ESC still terminates the search, but if there is pending
input or if input arrives within 0.1 seconds (on systems
break;
}
- if (c >= 0 && (CTRL_CHAR (c) || META_CHAR (c) || c == RUBOUT) && c != CTRL ('g'))
+ if (c >= 0 && (CTRL_CHAR (c) || META_CHAR (c) || c == RUBOUT) && c != CTRL ('G'))
{
+ /* This sets rl_pending_input to c; it will be picked up the next
+ time rl_read_key is called. */
rl_execute_next (c);
break;
}
{
case -1:
if (search_string_index == 0)
- continue;
+ {
+ if (last_isearch_string)
+ {
+ search_string_size = 64 + last_isearch_string_len;
+ search_string = (char *)xrealloc (search_string, search_string_size);
+ strcpy (search_string, last_isearch_string);
+ search_string_index = last_isearch_string_len;
+ rl_display_search (search_string, reverse, -1);
+ break;
+ }
+ continue;
+ }
else if (reverse)
--line_index;
else if (line_index != sline_len)
++line_index;
else
- ding ();
+ rl_ding ();
break;
/* switch directions */
strcpy (rl_line_buffer, lines[orig_line]);
rl_point = orig_point;
rl_end = strlen (rl_line_buffer);
- _rl_restore_prompt();
+ rl_restore_prompt();
rl_clear_message ();
if (allocated_line)
free (allocated_line);
free (lines);
+ RL_UNSETSTATE(RL_STATE_ISEARCH);
return 0;
+#if 0
+ /* delete character from search string. */
+ case -3:
+ if (search_string_index == 0)
+ rl_ding ();
+ else
+ {
+ search_string[--search_string_index] = '\0';
+ /* This is tricky. To do this right, we need to keep a
+ stack of search positions for the current search, with
+ sentinels marking the beginning and end. */
+ }
+ break;
+#endif
+
default:
/* Add character to search string and continue search. */
if (search_string_index + 2 >= search_string_size)
{
search_string_size += 128;
- search_string = xrealloc (search_string, search_string_size);
+ search_string = (char *)xrealloc (search_string, search_string_size);
}
search_string[search_string_index++] = c;
search_string[search_string_index] = '\0';
if (failed)
{
/* We cannot find the search string. Ding the bell. */
- ding ();
+ rl_ding ();
i = last_found_line;
continue; /* XXX - was break */
}
/* First put back the original state. */
strcpy (rl_line_buffer, lines[orig_line]);
- _rl_restore_prompt ();
+ rl_restore_prompt ();
+#if 1
+ /* Save the search string for possible later use. */
+ FREE (last_isearch_string);
+ last_isearch_string = search_string;
+ last_isearch_string_len = search_string_index;
+#else
/* Free the search string. */
free (search_string);
+#endif
if (last_found_line < orig_line)
- rl_get_previous_history (orig_line - last_found_line);
+ rl_get_previous_history (orig_line - last_found_line, 0);
else
- rl_get_next_history (last_found_line - orig_line);
+ rl_get_next_history (last_found_line - orig_line, 0);
/* If the string was not found, put point at the end of the line. */
if (line_index < 0)
rl_point = line_index;
rl_clear_message ();
- if (allocated_line)
- free (allocated_line);
+ FREE (allocated_line);
free (lines);
+ RL_UNSETSTATE(RL_STATE_ISEARCH);
+
return 0;
}
projects / platform / upstream / bash.git / blobdiff