mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-28 04:25:10 +08:00
1b17e76665
2000-07-09 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
* Import of readline 4.1.
Locally modified files: Makefile.in, configure.in, configure
(regenerated), config.h.in (regenerated), readline.h, rltty.c,
shell.c signals.c.
Locally added files: acconfig.h, config/*, config.h.bot,
cross-build/*, doc/inc-hit.texinfo.
New files: USAGE, rlprivate.h, rlshell.h, xmalloc.h.
examples:
2000-07-09 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
* Import of readline 4.1.
New files: excallback.c, rlfe.c.
doc:
2000-07-09 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
* Import of readline 4.1.
Regenerated inc-hist.texinfo as copy of hsuser.texinfo, for
inclusion in the gdb manual.
New file: rluserman.texinfo
1369 lines
28 KiB
C
1369 lines
28 KiB
C
/* vi_mode.c -- A vi emulation mode for Bash.
|
|
Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */
|
|
|
|
/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU Readline Library, a library for
|
|
reading lines of text with interactive input and history editing.
|
|
|
|
The GNU Readline 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 2, or
|
|
(at your option) any later version.
|
|
|
|
The GNU Readline Library is distributed in the hope that it will be
|
|
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
|
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
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,
|
|
59 Temple Place, Suite 330, Boston, MA 02111 USA. */
|
|
#define READLINE_LIBRARY
|
|
|
|
/* **************************************************************** */
|
|
/* */
|
|
/* VI Emulation Mode */
|
|
/* */
|
|
/* **************************************************************** */
|
|
#include "rlconf.h"
|
|
|
|
#if defined (VI_MODE)
|
|
|
|
#if defined (HAVE_CONFIG_H)
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#if defined (HAVE_STDLIB_H)
|
|
# include <stdlib.h>
|
|
#else
|
|
# include "ansi_stdlib.h"
|
|
#endif /* HAVE_STDLIB_H */
|
|
|
|
#if defined (HAVE_UNISTD_H)
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
/* Some standard library routines. */
|
|
#include "rldefs.h"
|
|
#include "readline.h"
|
|
#include "history.h"
|
|
|
|
#include "rlprivate.h"
|
|
#include "xmalloc.h"
|
|
|
|
#ifndef _rl_digit_p
|
|
#define _rl_digit_p(c) ((c) >= '0' && (c) <= '9')
|
|
#endif
|
|
|
|
#ifndef _rl_digit_value
|
|
#define _rl_digit_value(c) ((c) - '0')
|
|
#endif
|
|
|
|
#ifndef member
|
|
#define member(c, s) ((c) ? (char *)strchr ((s), (c)) != (char *)NULL : 0)
|
|
#endif
|
|
|
|
#ifndef isident
|
|
#define isident(c) ((_rl_pure_alphabetic (c) || _rl_digit_p (c) || c == '_'))
|
|
#endif
|
|
|
|
#ifndef exchange
|
|
#define exchange(x, y) do {int temp = x; x = y; y = temp;} while (0)
|
|
#endif
|
|
|
|
/* Non-zero means enter insertion mode. */
|
|
static int _rl_vi_doing_insert;
|
|
|
|
/* Command keys which do movement for xxx_to commands. */
|
|
static char *vi_motion = " hl^$0ftFt;,%wbeWBE|";
|
|
|
|
/* Keymap used for vi replace characters. Created dynamically since
|
|
rarely used. */
|
|
static Keymap vi_replace_map;
|
|
|
|
/* The number of characters inserted in the last replace operation. */
|
|
static int vi_replace_count;
|
|
|
|
/* If non-zero, we have text inserted after a c[motion] command that put
|
|
us implicitly into insert mode. Some people want this text to be
|
|
attached to the command so that it is `redoable' with `.'. */
|
|
static int vi_continued_command;
|
|
static char *vi_insert_buffer;
|
|
static int vi_insert_buffer_size;
|
|
|
|
static int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */
|
|
static int _rl_vi_last_repeat = 1;
|
|
static int _rl_vi_last_arg_sign = 1;
|
|
static int _rl_vi_last_motion;
|
|
static int _rl_vi_last_search_char;
|
|
static int _rl_vi_last_replacement;
|
|
|
|
static int _rl_vi_last_key_before_insert;
|
|
|
|
static int vi_redoing;
|
|
|
|
/* Text modification commands. These are the `redoable' commands. */
|
|
static char *vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~";
|
|
|
|
/* Arrays for the saved marks. */
|
|
static int vi_mark_chars[27];
|
|
|
|
static int rl_digit_loop1 __P((void));
|
|
|
|
void
|
|
_rl_vi_initialize_line ()
|
|
{
|
|
register int i;
|
|
|
|
for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++)
|
|
vi_mark_chars[i] = -1;
|
|
}
|
|
|
|
void
|
|
_rl_vi_reset_last ()
|
|
{
|
|
_rl_vi_last_command = 'i';
|
|
_rl_vi_last_repeat = 1;
|
|
_rl_vi_last_arg_sign = 1;
|
|
_rl_vi_last_motion = 0;
|
|
}
|
|
|
|
void
|
|
_rl_vi_set_last (key, repeat, sign)
|
|
int key, repeat, sign;
|
|
{
|
|
_rl_vi_last_command = key;
|
|
_rl_vi_last_repeat = repeat;
|
|
_rl_vi_last_arg_sign = sign;
|
|
}
|
|
|
|
/* Is the command C a VI mode text modification command? */
|
|
int
|
|
_rl_vi_textmod_command (c)
|
|
int c;
|
|
{
|
|
return (member (c, vi_textmod));
|
|
}
|
|
|
|
static void
|
|
_rl_vi_stuff_insert (count)
|
|
int count;
|
|
{
|
|
rl_begin_undo_group ();
|
|
while (count--)
|
|
rl_insert_text (vi_insert_buffer);
|
|
rl_end_undo_group ();
|
|
}
|
|
|
|
/* Bound to `.'. Called from command mode, so we know that we have to
|
|
redo a text modification command. The default for _rl_vi_last_command
|
|
puts you back into insert mode. */
|
|
int
|
|
rl_vi_redo (count, c)
|
|
int count, c;
|
|
{
|
|
if (!rl_explicit_arg)
|
|
{
|
|
rl_numeric_arg = _rl_vi_last_repeat;
|
|
rl_arg_sign = _rl_vi_last_arg_sign;
|
|
}
|
|
|
|
vi_redoing = 1;
|
|
/* If we're redoing an insert with `i', stuff in the inserted text
|
|
and do not go into insertion mode. */
|
|
if (_rl_vi_last_command == 'i' && vi_insert_buffer && *vi_insert_buffer)
|
|
{
|
|
_rl_vi_stuff_insert (count);
|
|
/* And back up point over the last character inserted. */
|
|
if (rl_point > 0)
|
|
rl_point--;
|
|
}
|
|
else
|
|
_rl_dispatch (_rl_vi_last_command, _rl_keymap);
|
|
vi_redoing = 0;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* A placeholder for further expansion. */
|
|
int
|
|
rl_vi_undo (count, key)
|
|
int count, key;
|
|
{
|
|
return (rl_undo_command (count, key));
|
|
}
|
|
|
|
/* Yank the nth arg from the previous line into this line at point. */
|
|
int
|
|
rl_vi_yank_arg (count, key)
|
|
int count, key;
|
|
{
|
|
/* Readline thinks that the first word on a line is the 0th, while vi
|
|
thinks the first word on a line is the 1st. Compensate. */
|
|
if (rl_explicit_arg)
|
|
rl_yank_nth_arg (count - 1, 0);
|
|
else
|
|
rl_yank_nth_arg ('$', 0);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* With an argument, move back that many history lines, else move to the
|
|
beginning of history. */
|
|
int
|
|
rl_vi_fetch_history (count, c)
|
|
int count, c;
|
|
{
|
|
int wanted;
|
|
|
|
/* Giving an argument of n means we want the nth command in the history
|
|
file. The command number is interpreted the same way that the bash
|
|
`history' command does it -- that is, giving an argument count of 450
|
|
to this command would get the command listed as number 450 in the
|
|
output of `history'. */
|
|
if (rl_explicit_arg)
|
|
{
|
|
wanted = history_base + where_history () - count;
|
|
if (wanted <= 0)
|
|
rl_beginning_of_history (0, 0);
|
|
else
|
|
rl_get_previous_history (wanted, c);
|
|
}
|
|
else
|
|
rl_beginning_of_history (count, 0);
|
|
return (0);
|
|
}
|
|
|
|
/* Search again for the last thing searched for. */
|
|
int
|
|
rl_vi_search_again (count, key)
|
|
int count, key;
|
|
{
|
|
switch (key)
|
|
{
|
|
case 'n':
|
|
rl_noninc_reverse_search_again (count, key);
|
|
break;
|
|
|
|
case 'N':
|
|
rl_noninc_forward_search_again (count, key);
|
|
break;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/* Do a vi style search. */
|
|
int
|
|
rl_vi_search (count, key)
|
|
int count, key;
|
|
{
|
|
switch (key)
|
|
{
|
|
case '?':
|
|
rl_noninc_forward_search (count, key);
|
|
break;
|
|
|
|
case '/':
|
|
rl_noninc_reverse_search (count, key);
|
|
break;
|
|
|
|
default:
|
|
ding ();
|
|
break;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/* Completion, from vi's point of view. */
|
|
int
|
|
rl_vi_complete (ignore, key)
|
|
int ignore, key;
|
|
{
|
|
if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point])))
|
|
{
|
|
if (!whitespace (rl_line_buffer[rl_point + 1]))
|
|
rl_vi_end_word (1, 'E');
|
|
rl_point++;
|
|
}
|
|
|
|
if (key == '*')
|
|
rl_complete_internal ('*'); /* Expansion and replacement. */
|
|
else if (key == '=')
|
|
rl_complete_internal ('?'); /* List possible completions. */
|
|
else if (key == '\\')
|
|
rl_complete_internal (TAB); /* Standard Readline completion. */
|
|
else
|
|
rl_complete (0, key);
|
|
|
|
if (key == '*' || key == '\\')
|
|
{
|
|
_rl_vi_set_last (key, 1, rl_arg_sign);
|
|
rl_vi_insertion_mode (1, key);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/* Tilde expansion for vi mode. */
|
|
int
|
|
rl_vi_tilde_expand (ignore, key)
|
|
int ignore, key;
|
|
{
|
|
rl_tilde_expand (0, key);
|
|
_rl_vi_set_last (key, 1, rl_arg_sign); /* XXX */
|
|
rl_vi_insertion_mode (1, key);
|
|
return (0);
|
|
}
|
|
|
|
/* Previous word in vi mode. */
|
|
int
|
|
rl_vi_prev_word (count, key)
|
|
int count, key;
|
|
{
|
|
if (count < 0)
|
|
return (rl_vi_next_word (-count, key));
|
|
|
|
if (rl_point == 0)
|
|
{
|
|
ding ();
|
|
return (0);
|
|
}
|
|
|
|
if (_rl_uppercase_p (key))
|
|
rl_vi_bWord (count, key);
|
|
else
|
|
rl_vi_bword (count, key);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* Next word in vi mode. */
|
|
int
|
|
rl_vi_next_word (count, key)
|
|
int count, key;
|
|
{
|
|
if (count < 0)
|
|
return (rl_vi_prev_word (-count, key));
|
|
|
|
if (rl_point >= (rl_end - 1))
|
|
{
|
|
ding ();
|
|
return (0);
|
|
}
|
|
|
|
if (_rl_uppercase_p (key))
|
|
rl_vi_fWord (count, key);
|
|
else
|
|
rl_vi_fword (count, key);
|
|
return (0);
|
|
}
|
|
|
|
/* Move to the end of the ?next? word. */
|
|
int
|
|
rl_vi_end_word (count, key)
|
|
int count, key;
|
|
{
|
|
if (count < 0)
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
|
|
if (_rl_uppercase_p (key))
|
|
rl_vi_eWord (count, key);
|
|
else
|
|
rl_vi_eword (count, key);
|
|
return (0);
|
|
}
|
|
|
|
/* Move forward a word the way that 'W' does. */
|
|
int
|
|
rl_vi_fWord (count, ignore)
|
|
int count, ignore;
|
|
{
|
|
while (count-- && rl_point < (rl_end - 1))
|
|
{
|
|
/* Skip until whitespace. */
|
|
while (!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
rl_point++;
|
|
|
|
/* Now skip whitespace. */
|
|
while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
rl_point++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_bWord (count, ignore)
|
|
int count, ignore;
|
|
{
|
|
while (count-- && rl_point > 0)
|
|
{
|
|
/* If we are at the start of a word, move back to whitespace so
|
|
we will go back to the start of the previous word. */
|
|
if (!whitespace (rl_line_buffer[rl_point]) &&
|
|
whitespace (rl_line_buffer[rl_point - 1]))
|
|
rl_point--;
|
|
|
|
while (rl_point > 0 && whitespace (rl_line_buffer[rl_point]))
|
|
rl_point--;
|
|
|
|
if (rl_point > 0)
|
|
{
|
|
while (--rl_point >= 0 && !whitespace (rl_line_buffer[rl_point]));
|
|
rl_point++;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_eWord (count, ignore)
|
|
int count, ignore;
|
|
{
|
|
while (count-- && rl_point < (rl_end - 1))
|
|
{
|
|
if (!whitespace (rl_line_buffer[rl_point]))
|
|
rl_point++;
|
|
|
|
/* Move to the next non-whitespace character (to the start of the
|
|
next word). */
|
|
while (++rl_point < rl_end && whitespace (rl_line_buffer[rl_point]));
|
|
|
|
if (rl_point && rl_point < rl_end)
|
|
{
|
|
/* Skip whitespace. */
|
|
while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
|
|
rl_point++;
|
|
|
|
/* Skip until whitespace. */
|
|
while (rl_point < rl_end && !whitespace (rl_line_buffer[rl_point]))
|
|
rl_point++;
|
|
|
|
/* Move back to the last character of the word. */
|
|
rl_point--;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_fword (count, ignore)
|
|
int count, ignore;
|
|
{
|
|
while (count-- && rl_point < (rl_end - 1))
|
|
{
|
|
/* Move to white space (really non-identifer). */
|
|
if (isident (rl_line_buffer[rl_point]))
|
|
{
|
|
while (isident (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
rl_point++;
|
|
}
|
|
else /* if (!whitespace (rl_line_buffer[rl_point])) */
|
|
{
|
|
while (!isident (rl_line_buffer[rl_point]) &&
|
|
!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
rl_point++;
|
|
}
|
|
|
|
/* Move past whitespace. */
|
|
while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
rl_point++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_bword (count, ignore)
|
|
int count, ignore;
|
|
{
|
|
while (count-- && rl_point > 0)
|
|
{
|
|
int last_is_ident;
|
|
|
|
/* If we are at the start of a word, move back to whitespace
|
|
so we will go back to the start of the previous word. */
|
|
if (!whitespace (rl_line_buffer[rl_point]) &&
|
|
whitespace (rl_line_buffer[rl_point - 1]))
|
|
rl_point--;
|
|
|
|
/* If this character and the previous character are `opposite', move
|
|
back so we don't get messed up by the rl_point++ down there in
|
|
the while loop. Without this code, words like `l;' screw up the
|
|
function. */
|
|
last_is_ident = isident (rl_line_buffer[rl_point - 1]);
|
|
if ((isident (rl_line_buffer[rl_point]) && !last_is_ident) ||
|
|
(!isident (rl_line_buffer[rl_point]) && last_is_ident))
|
|
rl_point--;
|
|
|
|
while (rl_point > 0 && whitespace (rl_line_buffer[rl_point]))
|
|
rl_point--;
|
|
|
|
if (rl_point > 0)
|
|
{
|
|
if (isident (rl_line_buffer[rl_point]))
|
|
while (--rl_point >= 0 && isident (rl_line_buffer[rl_point]));
|
|
else
|
|
while (--rl_point >= 0 && !isident (rl_line_buffer[rl_point]) &&
|
|
!whitespace (rl_line_buffer[rl_point]));
|
|
rl_point++;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_eword (count, ignore)
|
|
int count, ignore;
|
|
{
|
|
while (count-- && rl_point < rl_end - 1)
|
|
{
|
|
if (!whitespace (rl_line_buffer[rl_point]))
|
|
rl_point++;
|
|
|
|
while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
|
|
rl_point++;
|
|
|
|
if (rl_point < rl_end)
|
|
{
|
|
if (isident (rl_line_buffer[rl_point]))
|
|
while (++rl_point < rl_end && isident (rl_line_buffer[rl_point]));
|
|
else
|
|
while (++rl_point < rl_end && !isident (rl_line_buffer[rl_point])
|
|
&& !whitespace (rl_line_buffer[rl_point]));
|
|
}
|
|
rl_point--;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_insert_beg (count, key)
|
|
int count, key;
|
|
{
|
|
rl_beg_of_line (1, key);
|
|
rl_vi_insertion_mode (1, key);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_append_mode (count, key)
|
|
int count, key;
|
|
{
|
|
if (rl_point < rl_end)
|
|
rl_point++;
|
|
rl_vi_insertion_mode (1, key);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_append_eol (count, key)
|
|
int count, key;
|
|
{
|
|
rl_end_of_line (1, key);
|
|
rl_vi_append_mode (1, key);
|
|
return (0);
|
|
}
|
|
|
|
/* What to do in the case of C-d. */
|
|
int
|
|
rl_vi_eof_maybe (count, c)
|
|
int count, c;
|
|
{
|
|
return (rl_newline (1, '\n'));
|
|
}
|
|
|
|
/* Insertion mode stuff. */
|
|
|
|
/* Switching from one mode to the other really just involves
|
|
switching keymaps. */
|
|
int
|
|
rl_vi_insertion_mode (count, key)
|
|
int count, key;
|
|
{
|
|
_rl_keymap = vi_insertion_keymap;
|
|
_rl_vi_last_key_before_insert = key;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
_rl_vi_save_insert (up)
|
|
UNDO_LIST *up;
|
|
{
|
|
int len, start, end;
|
|
|
|
if (up == 0)
|
|
{
|
|
if (vi_insert_buffer_size >= 1)
|
|
vi_insert_buffer[0] = '\0';
|
|
return;
|
|
}
|
|
|
|
start = up->start;
|
|
end = up->end;
|
|
len = end - start + 1;
|
|
if (len >= vi_insert_buffer_size)
|
|
{
|
|
vi_insert_buffer_size += (len + 32) - (len % 32);
|
|
vi_insert_buffer = xrealloc (vi_insert_buffer, vi_insert_buffer_size);
|
|
}
|
|
strncpy (vi_insert_buffer, rl_line_buffer + start, len - 1);
|
|
vi_insert_buffer[len-1] = '\0';
|
|
}
|
|
|
|
void
|
|
_rl_vi_done_inserting ()
|
|
{
|
|
if (_rl_vi_doing_insert)
|
|
{
|
|
rl_end_undo_group ();
|
|
/* Now, the text between rl_undo_list->next->start and
|
|
rl_undo_list->next->end is what was inserted while in insert
|
|
mode. It gets copied to VI_INSERT_BUFFER because it depends
|
|
on absolute indices into the line which may change (though they
|
|
probably will not). */
|
|
_rl_vi_doing_insert = 0;
|
|
_rl_vi_save_insert (rl_undo_list->next);
|
|
vi_continued_command = 1;
|
|
}
|
|
else
|
|
{
|
|
if (_rl_vi_last_key_before_insert == 'i' && rl_undo_list)
|
|
_rl_vi_save_insert (rl_undo_list);
|
|
/* XXX - Other keys probably need to be checked. */
|
|
else if (_rl_vi_last_key_before_insert == 'C')
|
|
rl_end_undo_group ();
|
|
while (_rl_undo_group_level > 0)
|
|
rl_end_undo_group ();
|
|
vi_continued_command = 0;
|
|
}
|
|
}
|
|
|
|
int
|
|
rl_vi_movement_mode (count, key)
|
|
int count, key;
|
|
{
|
|
if (rl_point > 0)
|
|
rl_backward (1, key);
|
|
|
|
_rl_keymap = vi_movement_keymap;
|
|
_rl_vi_done_inserting ();
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_arg_digit (count, c)
|
|
int count, c;
|
|
{
|
|
if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg)
|
|
return (rl_beg_of_line (1, c));
|
|
else
|
|
return (rl_digit_argument (count, c));
|
|
}
|
|
|
|
int
|
|
rl_vi_change_case (count, ignore)
|
|
int count, ignore;
|
|
{
|
|
char c = 0;
|
|
|
|
/* Don't try this on an empty line. */
|
|
if (rl_point >= rl_end)
|
|
return (0);
|
|
|
|
while (count-- && rl_point < rl_end)
|
|
{
|
|
if (_rl_uppercase_p (rl_line_buffer[rl_point]))
|
|
c = _rl_to_lower (rl_line_buffer[rl_point]);
|
|
else if (_rl_lowercase_p (rl_line_buffer[rl_point]))
|
|
c = _rl_to_upper (rl_line_buffer[rl_point]);
|
|
else
|
|
{
|
|
/* Just skip over characters neither upper nor lower case. */
|
|
rl_forward (1, c);
|
|
continue;
|
|
}
|
|
|
|
/* Vi is kind of strange here. */
|
|
if (c)
|
|
{
|
|
rl_begin_undo_group ();
|
|
rl_delete (1, c);
|
|
rl_insert (1, c);
|
|
rl_end_undo_group ();
|
|
rl_vi_check ();
|
|
}
|
|
else
|
|
rl_forward (1, c);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_put (count, key)
|
|
int count, key;
|
|
{
|
|
if (!_rl_uppercase_p (key) && (rl_point + 1 <= rl_end))
|
|
rl_point++;
|
|
|
|
rl_yank (1, key);
|
|
rl_backward (1, key);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_check ()
|
|
{
|
|
if (rl_point && rl_point == rl_end)
|
|
rl_point--;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_column (count, key)
|
|
int count, key;
|
|
{
|
|
if (count > rl_end)
|
|
rl_end_of_line (1, key);
|
|
else
|
|
rl_point = count - 1;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_domove (key, nextkey)
|
|
int key, *nextkey;
|
|
{
|
|
int c, save;
|
|
int old_end;
|
|
|
|
rl_mark = rl_point;
|
|
c = rl_read_key ();
|
|
*nextkey = c;
|
|
|
|
if (!member (c, vi_motion))
|
|
{
|
|
if (_rl_digit_p (c))
|
|
{
|
|
save = rl_numeric_arg;
|
|
rl_numeric_arg = _rl_digit_value (c);
|
|
rl_digit_loop1 ();
|
|
rl_numeric_arg *= save;
|
|
c = rl_read_key (); /* real command */
|
|
*nextkey = c;
|
|
}
|
|
else if (key == c && (key == 'd' || key == 'y' || key == 'c'))
|
|
{
|
|
rl_mark = rl_end;
|
|
rl_beg_of_line (1, c);
|
|
_rl_vi_last_motion = c;
|
|
return (0);
|
|
}
|
|
else
|
|
return (-1);
|
|
}
|
|
|
|
_rl_vi_last_motion = c;
|
|
|
|
/* Append a blank character temporarily so that the motion routines
|
|
work right at the end of the line. */
|
|
old_end = rl_end;
|
|
rl_line_buffer[rl_end++] = ' ';
|
|
rl_line_buffer[rl_end] = '\0';
|
|
|
|
_rl_dispatch (c, _rl_keymap);
|
|
|
|
/* Remove the blank that we added. */
|
|
rl_end = old_end;
|
|
rl_line_buffer[rl_end] = '\0';
|
|
if (rl_point > rl_end)
|
|
rl_point = rl_end;
|
|
|
|
/* No change in position means the command failed. */
|
|
if (rl_mark == rl_point)
|
|
return (-1);
|
|
|
|
/* rl_vi_f[wW]ord () leaves the cursor on the first character of the next
|
|
word. If we are not at the end of the line, and we are on a
|
|
non-whitespace character, move back one (presumably to whitespace). */
|
|
if ((_rl_to_upper (c) == 'W') && rl_point < rl_end && rl_point > rl_mark &&
|
|
!whitespace (rl_line_buffer[rl_point]))
|
|
rl_point--;
|
|
|
|
/* If cw or cW, back up to the end of a word, so the behaviour of ce
|
|
or cE is the actual result. Brute-force, no subtlety. */
|
|
if (key == 'c' && rl_point >= rl_mark && (_rl_to_upper (c) == 'W'))
|
|
{
|
|
/* Don't move farther back than where we started. */
|
|
while (rl_point > rl_mark && whitespace (rl_line_buffer[rl_point]))
|
|
rl_point--;
|
|
|
|
/* Posix.2 says that if cw or cW moves the cursor towards the end of
|
|
the line, the character under the cursor should be deleted. */
|
|
if (rl_point == rl_mark)
|
|
rl_point++;
|
|
else
|
|
{
|
|
/* Move past the end of the word so that the kill doesn't
|
|
remove the last letter of the previous word. Only do this
|
|
if we are not at the end of the line. */
|
|
if (rl_point >= 0 && rl_point < (rl_end - 1) && !whitespace (rl_line_buffer[rl_point]))
|
|
rl_point++;
|
|
}
|
|
}
|
|
|
|
if (rl_mark < rl_point)
|
|
exchange (rl_point, rl_mark);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* A simplified loop for vi. Don't dispatch key at end.
|
|
Don't recognize minus sign? */
|
|
static int
|
|
rl_digit_loop1 ()
|
|
{
|
|
int key, c;
|
|
|
|
while (1)
|
|
{
|
|
rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg, 0);
|
|
key = c = rl_read_key ();
|
|
|
|
if (_rl_keymap[c].type == ISFUNC &&
|
|
_rl_keymap[c].function == rl_universal_argument)
|
|
{
|
|
rl_numeric_arg *= 4;
|
|
continue;
|
|
}
|
|
|
|
c = UNMETA (c);
|
|
if (_rl_digit_p (c))
|
|
{
|
|
if (rl_explicit_arg)
|
|
rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c);
|
|
else
|
|
rl_numeric_arg = _rl_digit_value (c);
|
|
rl_explicit_arg = 1;
|
|
}
|
|
else
|
|
{
|
|
rl_clear_message ();
|
|
rl_stuff_char (key);
|
|
break;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_delete_to (count, key)
|
|
int count, key;
|
|
{
|
|
int c;
|
|
|
|
if (_rl_uppercase_p (key))
|
|
rl_stuff_char ('$');
|
|
else if (vi_redoing)
|
|
rl_stuff_char (_rl_vi_last_motion);
|
|
|
|
if (rl_vi_domove (key, &c))
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
|
|
/* These are the motion commands that do not require adjusting the
|
|
mark. */
|
|
if ((strchr (" l|h^0bB", c) == 0) && (rl_mark < rl_end))
|
|
rl_mark++;
|
|
|
|
rl_kill_text (rl_point, rl_mark);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_change_to (count, key)
|
|
int count, key;
|
|
{
|
|
int c, start_pos;
|
|
|
|
if (_rl_uppercase_p (key))
|
|
rl_stuff_char ('$');
|
|
else if (vi_redoing)
|
|
rl_stuff_char (_rl_vi_last_motion);
|
|
|
|
start_pos = rl_point;
|
|
|
|
if (rl_vi_domove (key, &c))
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
|
|
/* These are the motion commands that do not require adjusting the
|
|
mark. c[wW] are handled by special-case code in rl_vi_domove(),
|
|
and already leave the mark at the correct location. */
|
|
if ((strchr (" l|hwW^0bB", c) == 0) && (rl_mark < rl_end))
|
|
rl_mark++;
|
|
|
|
/* The cursor never moves with c[wW]. */
|
|
if ((_rl_to_upper (c) == 'W') && rl_point < start_pos)
|
|
rl_point = start_pos;
|
|
|
|
if (vi_redoing)
|
|
{
|
|
if (vi_insert_buffer && *vi_insert_buffer)
|
|
rl_begin_undo_group ();
|
|
rl_delete_text (rl_point, rl_mark);
|
|
if (vi_insert_buffer && *vi_insert_buffer)
|
|
{
|
|
rl_insert_text (vi_insert_buffer);
|
|
rl_end_undo_group ();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
rl_begin_undo_group (); /* to make the `u' command work */
|
|
rl_kill_text (rl_point, rl_mark);
|
|
/* `C' does not save the text inserted for undoing or redoing. */
|
|
if (_rl_uppercase_p (key) == 0)
|
|
_rl_vi_doing_insert = 1;
|
|
_rl_vi_set_last (key, count, rl_arg_sign);
|
|
rl_vi_insertion_mode (1, key);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_yank_to (count, key)
|
|
int count, key;
|
|
{
|
|
int c, save = rl_point;
|
|
|
|
if (_rl_uppercase_p (key))
|
|
rl_stuff_char ('$');
|
|
|
|
if (rl_vi_domove (key, &c))
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
|
|
/* These are the motion commands that do not require adjusting the
|
|
mark. */
|
|
if ((strchr (" l|h^0%bB", c) == 0) && (rl_mark < rl_end))
|
|
rl_mark++;
|
|
|
|
rl_begin_undo_group ();
|
|
rl_kill_text (rl_point, rl_mark);
|
|
rl_end_undo_group ();
|
|
rl_do_undo ();
|
|
rl_point = save;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_delete (count, key)
|
|
int count, key;
|
|
{
|
|
int end;
|
|
|
|
if (rl_end == 0)
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
|
|
end = rl_point + count;
|
|
|
|
if (end >= rl_end)
|
|
end = rl_end;
|
|
|
|
rl_kill_text (rl_point, end);
|
|
|
|
if (rl_point > 0 && rl_point == rl_end)
|
|
rl_backward (1, key);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_back_to_indent (count, key)
|
|
int count, key;
|
|
{
|
|
rl_beg_of_line (1, key);
|
|
while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
|
|
rl_point++;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_first_print (count, key)
|
|
int count, key;
|
|
{
|
|
return (rl_vi_back_to_indent (1, key));
|
|
}
|
|
|
|
int
|
|
rl_vi_char_search (count, key)
|
|
int count, key;
|
|
{
|
|
static char target;
|
|
static int orig_dir, dir;
|
|
|
|
if (key == ';' || key == ',')
|
|
dir = key == ';' ? orig_dir : -orig_dir;
|
|
else
|
|
{
|
|
if (vi_redoing)
|
|
target = _rl_vi_last_search_char;
|
|
else
|
|
_rl_vi_last_search_char = target = (*rl_getc_function) (rl_instream);
|
|
|
|
switch (key)
|
|
{
|
|
case 't':
|
|
orig_dir = dir = FTO;
|
|
break;
|
|
|
|
case 'T':
|
|
orig_dir = dir = BTO;
|
|
break;
|
|
|
|
case 'f':
|
|
orig_dir = dir = FFIND;
|
|
break;
|
|
|
|
case 'F':
|
|
orig_dir = dir = BFIND;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (_rl_char_search_internal (count, dir, target));
|
|
}
|
|
|
|
/* Match brackets */
|
|
int
|
|
rl_vi_match (ignore, key)
|
|
int ignore, key;
|
|
{
|
|
int count = 1, brack, pos;
|
|
|
|
pos = rl_point;
|
|
if ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0)
|
|
{
|
|
while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0 &&
|
|
rl_point < rl_end - 1)
|
|
rl_forward (1, key);
|
|
|
|
if (brack <= 0)
|
|
{
|
|
rl_point = pos;
|
|
ding ();
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
pos = rl_point;
|
|
|
|
if (brack < 0)
|
|
{
|
|
while (count)
|
|
{
|
|
if (--pos >= 0)
|
|
{
|
|
int b = rl_vi_bracktype (rl_line_buffer[pos]);
|
|
if (b == -brack)
|
|
count--;
|
|
else if (b == brack)
|
|
count++;
|
|
}
|
|
else
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{ /* brack > 0 */
|
|
while (count)
|
|
{
|
|
if (++pos < rl_end)
|
|
{
|
|
int b = rl_vi_bracktype (rl_line_buffer[pos]);
|
|
if (b == -brack)
|
|
count--;
|
|
else if (b == brack)
|
|
count++;
|
|
}
|
|
else
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
rl_point = pos;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_bracktype (c)
|
|
int c;
|
|
{
|
|
switch (c)
|
|
{
|
|
case '(': return 1;
|
|
case ')': return -1;
|
|
case '[': return 2;
|
|
case ']': return -2;
|
|
case '{': return 3;
|
|
case '}': return -3;
|
|
default: return 0;
|
|
}
|
|
}
|
|
|
|
int
|
|
rl_vi_change_char (count, key)
|
|
int count, key;
|
|
{
|
|
int c;
|
|
|
|
if (vi_redoing)
|
|
c = _rl_vi_last_replacement;
|
|
else
|
|
_rl_vi_last_replacement = c = (*rl_getc_function) (rl_instream);
|
|
|
|
if (c == '\033' || c == CTRL ('C'))
|
|
return -1;
|
|
|
|
while (count-- && rl_point < rl_end)
|
|
{
|
|
rl_begin_undo_group ();
|
|
|
|
rl_delete (1, c);
|
|
rl_insert (1, c);
|
|
if (count == 0)
|
|
rl_backward (1, c);
|
|
|
|
rl_end_undo_group ();
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_subst (count, key)
|
|
int count, key;
|
|
{
|
|
rl_begin_undo_group ();
|
|
|
|
if (_rl_uppercase_p (key))
|
|
{
|
|
rl_beg_of_line (1, key);
|
|
rl_kill_line (1, key);
|
|
}
|
|
else
|
|
rl_delete_text (rl_point, rl_point+count);
|
|
|
|
rl_end_undo_group ();
|
|
|
|
_rl_vi_set_last (key, count, rl_arg_sign);
|
|
|
|
if (vi_redoing)
|
|
{
|
|
int o = _rl_doing_an_undo;
|
|
|
|
_rl_doing_an_undo = 1;
|
|
if (vi_insert_buffer && *vi_insert_buffer)
|
|
rl_insert_text (vi_insert_buffer);
|
|
_rl_doing_an_undo = o;
|
|
}
|
|
else
|
|
{
|
|
rl_begin_undo_group ();
|
|
_rl_vi_doing_insert = 1;
|
|
rl_vi_insertion_mode (1, key);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_overstrike (count, key)
|
|
int count, key;
|
|
{
|
|
int i;
|
|
|
|
if (_rl_vi_doing_insert == 0)
|
|
{
|
|
_rl_vi_doing_insert = 1;
|
|
rl_begin_undo_group ();
|
|
}
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
vi_replace_count++;
|
|
rl_begin_undo_group ();
|
|
|
|
if (rl_point < rl_end)
|
|
{
|
|
rl_delete (1, key);
|
|
rl_insert (1, key);
|
|
}
|
|
else
|
|
rl_insert (1, key);
|
|
|
|
rl_end_undo_group ();
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_overstrike_delete (count, key)
|
|
int count, key;
|
|
{
|
|
int i, s;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (vi_replace_count == 0)
|
|
{
|
|
ding ();
|
|
break;
|
|
}
|
|
s = rl_point;
|
|
|
|
if (rl_do_undo ())
|
|
vi_replace_count--;
|
|
|
|
if (rl_point == s)
|
|
rl_backward (1, key);
|
|
}
|
|
|
|
if (vi_replace_count == 0 && _rl_vi_doing_insert)
|
|
{
|
|
rl_end_undo_group ();
|
|
rl_do_undo ();
|
|
_rl_vi_doing_insert = 0;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_replace (count, key)
|
|
int count, key;
|
|
{
|
|
int i;
|
|
|
|
vi_replace_count = 0;
|
|
|
|
if (!vi_replace_map)
|
|
{
|
|
vi_replace_map = rl_make_bare_keymap ();
|
|
|
|
for (i = ' '; i < KEYMAP_SIZE; i++)
|
|
vi_replace_map[i].function = rl_vi_overstrike;
|
|
|
|
vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete;
|
|
vi_replace_map[ESC].function = rl_vi_movement_mode;
|
|
vi_replace_map[RETURN].function = rl_newline;
|
|
vi_replace_map[NEWLINE].function = rl_newline;
|
|
|
|
/* If the normal vi insertion keymap has ^H bound to erase, do the
|
|
same here. Probably should remove the assignment to RUBOUT up
|
|
there, but I don't think it will make a difference in real life. */
|
|
if (vi_insertion_keymap[CTRL ('H')].type == ISFUNC &&
|
|
vi_insertion_keymap[CTRL ('H')].function == rl_rubout)
|
|
vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete;
|
|
|
|
}
|
|
_rl_keymap = vi_replace_map;
|
|
return (0);
|
|
}
|
|
|
|
#if 0
|
|
/* Try to complete the word we are standing on or the word that ends with
|
|
the previous character. A space matches everything. Word delimiters are
|
|
space and ;. */
|
|
int
|
|
rl_vi_possible_completions()
|
|
{
|
|
int save_pos = rl_point;
|
|
|
|
if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';')
|
|
{
|
|
while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' &&
|
|
rl_line_buffer[rl_point] != ';')
|
|
rl_point++;
|
|
}
|
|
else if (rl_line_buffer[rl_point - 1] == ';')
|
|
{
|
|
ding ();
|
|
return (0);
|
|
}
|
|
|
|
rl_possible_completions ();
|
|
rl_point = save_pos;
|
|
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
/* Functions to save and restore marks. */
|
|
int
|
|
rl_vi_set_mark (count, key)
|
|
int count, key;
|
|
{
|
|
int ch;
|
|
|
|
ch = rl_read_key ();
|
|
if (_rl_lowercase_p (ch) == 0)
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
ch -= 'a';
|
|
vi_mark_chars[ch] = rl_point;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
rl_vi_goto_mark (count, key)
|
|
int count, key;
|
|
{
|
|
int ch;
|
|
|
|
ch = rl_read_key ();
|
|
if (ch == '`')
|
|
{
|
|
rl_point = rl_mark;
|
|
return 0;
|
|
}
|
|
else if (_rl_lowercase_p (ch) == 0)
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
|
|
ch -= 'a';
|
|
if (vi_mark_chars[ch] == -1)
|
|
{
|
|
ding ();
|
|
return -1;
|
|
}
|
|
rl_point = vi_mark_chars[ch];
|
|
return 0;
|
|
}
|
|
|
|
#endif /* VI_MODE */
|