/* vi_mode.c -- A vi emulation mode for Bash.
+ Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */
- Derived from code written by Jeff Sparkes (jeff1@????).
- */
+/* Copyright (C) 1987-2010 Free Software Foundation, Inc.
+
+ This file is part of the GNU Readline Library (Readline), a library
+ for reading lines of text with interactive input and history editing.
+
+ Readline 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 3 of the License, or
+ (at your option) any later version.
+
+ Readline 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.
+
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define READLINE_LIBRARY
-\f
/* **************************************************************** */
/* */
/* 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 "rlmbutil.h"
+
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+#ifndef member
+#define member(c, s) ((c) ? (char *)strchr ((s), (c)) != (char *)NULL : 0)
+#endif
+
+int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */
-/* Last string searched for from `/' or `?'. */
-static char *vi_last_search = (char *)NULL;
-static int vi_histpos;
+_rl_vimotion_cxt *_rl_vimvcxt = 0;
/* Non-zero means enter insertion mode. */
-int vi_doing_insert = 0;
+static int _rl_vi_doing_insert;
-/* *** UNCLEAN *** */
/* Command keys which do movement for xxx_to commands. */
-static char *vi_motion = " hl^$0ftFt;,%wbeWBE|";
+static const char * const vi_motion = " hl^$0ftFT;,%wbeWBE|`";
/* Keymap used for vi replace characters. Created dynamically since
rarely used. */
-static Keymap vi_replace_map = (Keymap)NULL;
+static Keymap vi_replace_map;
/* The number of characters inserted in the last replace operation. */
-static vi_replace_count = 0;
+static int vi_replace_count;
-/* Yank the nth arg from the previous line into this line at point. */
-rl_vi_yank_arg (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_repeat = 1;
+static int _rl_vi_last_arg_sign = 1;
+static int _rl_vi_last_motion;
+#if defined (HANDLE_MULTIBYTE)
+static char _rl_vi_last_search_mbchar[MB_LEN_MAX];
+static int _rl_vi_last_search_mblen;
+#else
+static int _rl_vi_last_search_char;
+#endif
+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 const char * const vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~";
+
+/* Arrays for the saved marks. */
+static int vi_mark_chars['z' - 'a' + 1];
+
+static void _rl_vi_stuff_insert PARAMS((int));
+static void _rl_vi_save_insert PARAMS((UNDO_LIST *));
+
+static void _rl_vi_backup PARAMS((void));
+
+static int _rl_vi_arg_dispatch PARAMS((int));
+static int rl_digit_loop1 PARAMS((void));
+
+static int _rl_vi_set_mark PARAMS((void));
+static int _rl_vi_goto_mark PARAMS((void));
+
+static void _rl_vi_append_forward PARAMS((int));
+
+static int _rl_vi_callback_getchar PARAMS((char *, int));
+
+#if defined (READLINE_CALLBACKS)
+static int _rl_vi_callback_set_mark PARAMS((_rl_callback_generic_arg *));
+static int _rl_vi_callback_goto_mark PARAMS((_rl_callback_generic_arg *));
+static int _rl_vi_callback_change_char PARAMS((_rl_callback_generic_arg *));
+static int _rl_vi_callback_char_search PARAMS((_rl_callback_generic_arg *));
+#endif
+
+static int rl_domove_read_callback PARAMS((_rl_vimotion_cxt *));
+static int rl_domove_motion_callback PARAMS((_rl_vimotion_cxt *));
+static int rl_vi_domove_getchar PARAMS((_rl_vimotion_cxt *));
+
+static int vi_change_dispatch PARAMS((_rl_vimotion_cxt *));
+static int vi_delete_dispatch PARAMS((_rl_vimotion_cxt *));
+static int vi_yank_dispatch PARAMS((_rl_vimotion_cxt *));
+
+static int vidomove_dispatch PARAMS((_rl_vimotion_cxt *));
+
+void
+_rl_vi_initialize_line ()
+{
+ register int i, n;
+
+ n = sizeof (vi_mark_chars) / sizeof (vi_mark_chars[0]);
+ for (i = 0; i < n; i++)
+ vi_mark_chars[i] = -1;
+
+ RL_UNSETSTATE(RL_STATE_VICMDONCE);
+}
+
+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;
+}
+
+/* A convenience function that calls _rl_vi_set_last to save the last command
+ information and enters insertion mode. */
+void
+rl_vi_start_inserting (key, repeat, sign)
+ int key, repeat, sign;
+{
+ _rl_vi_set_last (key, repeat, sign);
+ rl_vi_insertion_mode (1, key);
+}
+
+/* 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_yank_nth_arg (count, 0);
+ 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;
+{
+ int r;
+
+ if (!rl_explicit_arg)
+ {
+ rl_numeric_arg = _rl_vi_last_repeat;
+ rl_arg_sign = _rl_vi_last_arg_sign;
+ }
+
+ r = 0;
+ 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_vi_backup ();
+ }
+ /* Ditto for redoing an insert with `I', but move to the beginning of the
+ line like the `I' command does. */
+ else if (_rl_vi_last_command == 'I' && vi_insert_buffer && *vi_insert_buffer)
+ {
+ rl_beg_of_line (1, 'I');
+ _rl_vi_stuff_insert (count);
+ if (rl_point > 0)
+ _rl_vi_backup ();
+ }
+ /* Ditto for redoing an insert with `a', but move forward a character first
+ like the `a' command does. */
+ else if (_rl_vi_last_command == 'a' && vi_insert_buffer && *vi_insert_buffer)
+ {
+ _rl_vi_append_forward ('a');
+ _rl_vi_stuff_insert (count);
+ if (rl_point > 0)
+ _rl_vi_backup ();
+ }
+ /* Ditto for redoing an insert with `A', but move to the end of the line
+ like the `A' command does. */
+ else if (_rl_vi_last_command == 'A' && vi_insert_buffer && *vi_insert_buffer)
+ {
+ rl_end_of_line (1, 'A');
+ _rl_vi_stuff_insert (count);
+ if (rl_point > 0)
+ _rl_vi_backup ();
+ }
+ else
+ r = _rl_dispatch (_rl_vi_last_command, _rl_keymap);
+ vi_redoing = 0;
+
+ return (r);
+}
+
+/* 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. */
-rl_vi_search_again (ignore, key)
- int ignore, key;
+int
+rl_vi_search_again (count, key)
+ int count, key;
{
switch (key)
{
case 'n':
- rl_vi_dosearch (vi_last_search, -1);
+ rl_noninc_reverse_search_again (count, key);
break;
case 'N':
- rl_vi_dosearch (vi_last_search, 1);
+ rl_noninc_forward_search_again (count, key);
break;
}
+ return (0);
}
/* Do a vi style search. */
+int
rl_vi_search (count, key)
int count, key;
{
- int dir, c, save_pos;
- char *p;
-
switch (key)
{
case '?':
- dir = 1;
+ _rl_free_saved_history_line ();
+ rl_noninc_forward_search (count, key);
break;
case '/':
- dir = -1;
+ _rl_free_saved_history_line ();
+ rl_noninc_reverse_search (count, key);
break;
default:
- ding ();
- return;
- }
-
- vi_histpos = where_history ();
- maybe_save_line ();
- save_pos = rl_point;
-
- /* Reuse the line input buffer to read the search string. */
- the_line[0] = 0;
- rl_end = rl_point = 0;
- p = (char *)alloca (2 + (rl_prompt ? strlen (rl_prompt) : 0));
-
- sprintf (p, "%s%c", rl_prompt ? rl_prompt : "", key);
-
- rl_message (p, 0, 0);
-
- while (c = rl_read_key ())
- {
- switch (c)
- {
- case CTRL('H'):
- case RUBOUT:
- if (rl_point == 0)
- {
- maybe_unsave_line ();
- rl_clear_message ();
- rl_point = save_pos;
- return;
- }
-
- case CTRL('W'):
- case CTRL('U'):
- rl_dispatch (c, keymap);
- break;
-
- case ESC:
- case RETURN:
- case NEWLINE:
- goto dosearch;
- break;
-
- case CTRL('C'):
- maybe_unsave_line ();
- rl_clear_message ();
- rl_point = 0;
- ding ();
- return;
-
- default:
- rl_insert (1, c);
- break;
- }
- rl_redisplay ();
- }
- dosearch:
- if (vi_last_search)
- free (vi_last_search);
-
- vi_last_search = savestring (the_line);
- rl_vi_dosearch (the_line, dir);
-}
-
-rl_vi_dosearch (string, dir)
- char *string;
- int dir;
-{
- int old, save = vi_histpos;
- HIST_ENTRY *h;
-
- if (string == 0 || *string == 0 || vi_histpos < 0)
- {
- ding ();
- return;
- }
-
- if ((save = history_search_pos (string, dir, vi_histpos + dir)) == -1)
- {
- maybe_unsave_line ();
- rl_clear_message ();
- rl_point = 0;
- ding ();
- return;
+ rl_ding ();
+ break;
}
-
- vi_histpos = save;
-
- old = where_history ();
- history_set_pos (vi_histpos);
- h = current_history ();
- history_set_pos (old);
-
- strcpy (the_line, h->line);
- rl_undo_list = (UNDO_LIST *)h->data;
- rl_end = strlen (the_line);
- rl_point = 0;
- rl_clear_message ();
+ return (0);
}
/* Completion, from vi's point of view. */
+int
rl_vi_complete (ignore, key)
int ignore, key;
{
- if (!whitespace (the_line[rl_point]))
+ if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point])))
{
- if (!whitespace (the_line[rl_point + 1]))
+ if (!whitespace (rl_line_buffer[rl_point + 1]))
rl_vi_end_word (1, 'E');
rl_point++;
}
if (key == '*')
- rl_complete_internal ('*');
+ 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);
- rl_vi_insertion_mode ();
+ if (key == '*' || key == '\\')
+ rl_vi_start_inserting (key, 1, rl_arg_sign);
+
+ return (0);
+}
+
+/* Tilde expansion for vi mode. */
+int
+rl_vi_tilde_expand (ignore, key)
+ int ignore, key;
+{
+ rl_tilde_expand (0, key);
+ rl_vi_start_inserting (key, 1, rl_arg_sign);
+ 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)
{
- rl_vi_next_word (-count, key);
- return;
+ rl_ding ();
+ return (0);
}
- if (uppercase_p (key))
- rl_vi_bWord (count);
+ if (_rl_uppercase_p (key))
+ rl_vi_bWord (count, key);
else
- rl_vi_bword (count);
+ rl_vi_bword (count, key);
+
+ return (0);
}
/* Next word in vi mode. */
+int
rl_vi_next_word (count, key)
- int count;
+ int count, key;
{
if (count < 0)
+ return (rl_vi_prev_word (-count, key));
+
+ if (rl_point >= (rl_end - 1))
{
- rl_vi_prev_word (-count, key);
- return;
+ rl_ding ();
+ return (0);
}
- if (uppercase_p (key))
- rl_vi_fWord (count);
+ if (_rl_uppercase_p (key))
+ rl_vi_fWord (count, key);
else
- rl_vi_fword (count);
+ 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;
+ rl_ding ();
+ return -1;
}
- if (uppercase_p (key))
- rl_vi_eWord (count);
+ if (_rl_uppercase_p (key))
+ rl_vi_eWord (count, key);
else
- rl_vi_eword (count);
+ rl_vi_eword (count, key);
+ return (0);
}
/* Move forward a word the way that 'W' does. */
-rl_vi_fWord (count)
- int count;
+int
+rl_vi_fWord (count, ignore)
+ int count, ignore;
{
while (count-- && rl_point < (rl_end - 1))
{
/* Skip until whitespace. */
- while (!whitespace (the_line[rl_point]) && rl_point < rl_end)
+ while (!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
rl_point++;
/* Now skip whitespace. */
- while (whitespace (the_line[rl_point]) && rl_point < rl_end)
+ while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
rl_point++;
}
+ return (0);
}
-rl_vi_bWord (count)
- int count;
+int
+rl_vi_bWord (count, ignore)
+ int count, ignore;
{
while (count-- && rl_point > 0)
{
- while (rl_point-- >= 0 && whitespace (the_line[rl_point]));
- while (rl_point >= 0 && !whitespace (the_line[rl_point]))
+ /* 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--;
- 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);
}
-rl_vi_eWord (count)
- int count;
+int
+rl_vi_eWord (count, ignore)
+ int count, ignore;
{
- while (count -- && rl_point < (rl_end - 1))
+ while (count-- && rl_point < (rl_end - 1))
{
- while (rl_point++ < rl_end && whitespace (the_line[rl_point]));
- while (rl_point++ < rl_end && !whitespace (the_line[rl_point]));
- rl_point--;
+ 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]))
+ 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);
}
-rl_vi_fword (count)
- int count;
+int
+rl_vi_fword (count, ignore)
+ int count, ignore;
{
- while (count -- && rl_point < (rl_end - 1))
+ while (count-- && rl_point < (rl_end - 1))
{
- if (isident (the_line[rl_point]))
+ /* Move to white space (really non-identifer). */
+ if (_rl_isident (rl_line_buffer[rl_point]))
{
- while (isident (the_line[rl_point]) && rl_point < rl_end)
- rl_point += 1;
+ while (_rl_isident (rl_line_buffer[rl_point]) && rl_point < rl_end)
+ rl_point++;
}
- else if (!whitespace (the_line[rl_point]))
+ else /* if (!whitespace (rl_line_buffer[rl_point])) */
{
- while (!isident (the_line[rl_point]) &&
- !whitespace (the_line[rl_point]) && rl_point < rl_end)
- rl_point += 1;
+ while (!_rl_isident (rl_line_buffer[rl_point]) &&
+ !whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
+ rl_point++;
}
- while (whitespace (the_line[rl_point]) && rl_point < rl_end)
+ /* Move past whitespace. */
+ while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
rl_point++;
}
+ return (0);
}
-rl_vi_bword (count)
- int count;
+int
+rl_vi_bword (count, ignore)
+ int count, ignore;
{
- while (count -- && rl_point > 0)
+ while (count-- && rl_point > 0)
{
- while (--rl_point > 0 && whitespace (the_line[rl_point]));
+ 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 = _rl_isident (rl_line_buffer[rl_point - 1]);
+ if ((_rl_isident (rl_line_buffer[rl_point]) && !last_is_ident) ||
+ (!_rl_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 (the_line[rl_point]))
- while (--rl_point >= 0 && isident (the_line[rl_point]));
+ if (_rl_isident (rl_line_buffer[rl_point]))
+ while (--rl_point >= 0 && _rl_isident (rl_line_buffer[rl_point]));
else
- while (--rl_point >= 0 && !isident (the_line[rl_point]) &&
- !whitespace (the_line[rl_point]));
+ while (--rl_point >= 0 && !_rl_isident (rl_line_buffer[rl_point]) &&
+ !whitespace (rl_line_buffer[rl_point]));
rl_point++;
}
}
+ return (0);
}
-rl_vi_eword (count)
- int count;
+int
+rl_vi_eword (count, ignore)
+ int count, ignore;
{
- while (count -- && rl_point < rl_end - 1)
+ while (count-- && rl_point < rl_end - 1)
{
- while (++rl_point < rl_end && whitespace (the_line[rl_point]));
+ 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 (the_line[rl_point]))
- while (++rl_point < rl_end && isident (the_line[rl_point]));
+ if (_rl_isident (rl_line_buffer[rl_point]))
+ while (++rl_point < rl_end && _rl_isident (rl_line_buffer[rl_point]));
else
- while (++rl_point < rl_end && !isident (the_line[rl_point])
- && !whitespace (the_line[rl_point]));
- rl_point--;
+ while (++rl_point < rl_end && !_rl_isident (rl_line_buffer[rl_point])
+ && !whitespace (rl_line_buffer[rl_point]));
}
+ rl_point--;
}
+ return (0);
}
-rl_vi_insert_beg ()
+int
+rl_vi_insert_beg (count, key)
+ int count, key;
{
- rl_beg_of_line ();
- rl_vi_insertion_mode ();
- return 0;
+ rl_beg_of_line (1, key);
+ rl_vi_insert_mode (1, key);
+ return (0);
}
-rl_vi_append_mode ()
+static void
+_rl_vi_append_forward (key)
+ int key;
{
+ int point;
+
if (rl_point < rl_end)
- rl_point += 1;
- rl_vi_insertion_mode ();
- return 0;
+ {
+ if (MB_CUR_MAX == 1 || rl_byte_oriented)
+ rl_point++;
+ else
+ {
+ point = rl_point;
+#if 0
+ rl_forward_char (1, key);
+#else
+ rl_point = _rl_forward_char_internal (1);
+#endif
+ if (point == rl_point)
+ rl_point = rl_end;
+ }
+ }
}
-rl_vi_append_eol ()
+int
+rl_vi_append_mode (count, key)
+ int count, key;
{
- rl_end_of_line ();
- rl_vi_append_mode ();
- return 0;
+ _rl_vi_append_forward (key);
+ rl_vi_start_inserting (key, 1, rl_arg_sign);
+ 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;
{
- rl_newline (1, '\n');
+ return (rl_newline (1, '\n'));
}
/* Insertion mode stuff. */
/* Switching from one mode to the other really just involves
switching keymaps. */
-rl_vi_insertion_mode ()
+int
+rl_vi_insertion_mode (count, key)
+ int count, key;
{
- keymap = vi_insertion_keymap;
+ _rl_keymap = vi_insertion_keymap;
+ _rl_vi_last_key_before_insert = key;
+ return (0);
}
-rl_vi_movement_mode ()
+int
+rl_vi_insert_mode (count, key)
+ int count, key;
{
- if (rl_point > 0)
- rl_backward (1);
-
- keymap = vi_movement_keymap;
- vi_done_inserting ();
+ rl_vi_start_inserting (key, 1, rl_arg_sign);
+ return (0);
}
-vi_done_inserting ()
+static void
+_rl_vi_save_insert (up)
+ UNDO_LIST *up;
+{
+ int len, start, end;
+
+ if (up == 0 || up->what != UNDO_INSERT)
+ {
+ 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 = (char *)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 (vi_doing_insert)
+ if (_rl_vi_doing_insert)
{
+ /* The `C', `s', and `S' commands set this. */
rl_end_undo_group ();
- vi_doing_insert = 0;
+ /* 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_undo_list && (_rl_vi_last_key_before_insert == 'i' ||
+ _rl_vi_last_key_before_insert == 'a' ||
+ _rl_vi_last_key_before_insert == 'I' ||
+ _rl_vi_last_key_before_insert == 'A'))
+ _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_char (1, key);
+
+ _rl_keymap = vi_movement_keymap;
+ _rl_vi_done_inserting ();
+
+ /* This is how POSIX.2 says `U' should behave -- everything up until the
+ first time you go into command mode should not be undone. */
+ if (RL_ISSTATE (RL_STATE_VICMDONCE) == 0)
+ rl_free_undo_list ();
+
+ RL_SETSTATE (RL_STATE_VICMDONCE);
+ return (0);
+}
+
+int
rl_vi_arg_digit (count, c)
int count, c;
{
if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg)
- rl_beg_of_line ();
+ return (rl_beg_of_line (1, c));
else
- rl_digit_argument (count, c);
+ return (rl_digit_argument (count, c));
}
-/* Doesn't take an arg count in vi */
-rl_vi_change_case (ignore1, ignore2)
- int ignore1, ignore2;
+/* Change the case of the next COUNT characters. */
+#if defined (HANDLE_MULTIBYTE)
+static int
+_rl_vi_change_mbchar_case (count)
+ int count;
{
- char c = 0;
+ wchar_t wc;
+ char mb[MB_LEN_MAX+1];
+ int mlen, p;
+ size_t m;
+ mbstate_t ps;
+
+ memset (&ps, 0, sizeof (mbstate_t));
+ if (_rl_adjust_point (rl_line_buffer, rl_point, &ps) > 0)
+ count--;
+ while (count-- && rl_point < rl_end)
+ {
+ m = mbrtowc (&wc, rl_line_buffer + rl_point, rl_end - rl_point, &ps);
+ if (MB_INVALIDCH (m))
+ wc = (wchar_t)rl_line_buffer[rl_point];
+ else if (MB_NULLWCH (m))
+ wc = L'\0';
+ if (iswupper (wc))
+ wc = towlower (wc);
+ else if (iswlower (wc))
+ wc = towupper (wc);
+ else
+ {
+ /* Just skip over chars neither upper nor lower case */
+ rl_forward_char (1, 0);
+ continue;
+ }
+
+ /* Vi is kind of strange here. */
+ if (wc)
+ {
+ p = rl_point;
+ mlen = wcrtomb (mb, wc, &ps);
+ if (mlen >= 0)
+ mb[mlen] = '\0';
+ rl_begin_undo_group ();
+ rl_vi_delete (1, 0);
+ if (rl_point < p) /* Did we retreat at EOL? */
+ rl_point++; /* XXX - should we advance more than 1 for mbchar? */
+ rl_insert_text (mb);
+ rl_end_undo_group ();
+ rl_vi_check ();
+ }
+ else
+ rl_forward_char (1, 0);
+ }
+
+ return 0;
+}
+#endif
+
+int
+rl_vi_change_case (count, ignore)
+ int count, ignore;
+{
+ int c, p;
- if (uppercase_p (the_line[rl_point]))
- c = to_lower (the_line[rl_point]);
- else if (lowercase_p (the_line[rl_point]))
- c = to_upper (the_line[rl_point]);
+ /* Don't try this on an empty line. */
+ if (rl_point >= rl_end)
+ return (0);
- /* Vi is kind of strange here. */
- if (c)
+ c = 0;
+#if defined (HANDLE_MULTIBYTE)
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ return (_rl_vi_change_mbchar_case (count));
+#endif
+
+ while (count-- && rl_point < rl_end)
{
- rl_begin_undo_group ();
- rl_delete (1, c);
- rl_insert (1, c);
- rl_end_undo_group ();
- rl_vi_check ();
+ 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_char (1, c);
+ continue;
+ }
+
+ /* Vi is kind of strange here. */
+ if (c)
+ {
+ p = rl_point;
+ rl_begin_undo_group ();
+ rl_vi_delete (1, c);
+ if (rl_point < p) /* Did we retreat at EOL? */
+ rl_point++;
+ _rl_insert_char (1, c);
+ rl_end_undo_group ();
+ rl_vi_check ();
+ }
+ else
+ rl_forward_char (1, c);
}
- else
- rl_forward (1);
+ return (0);
}
+int
rl_vi_put (count, key)
int count, key;
{
- if (!uppercase_p (key))
- rl_forward (1);
+ if (!_rl_uppercase_p (key) && (rl_point + 1 <= rl_end))
+ rl_point = _rl_find_next_mbchar (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
+
+ while (count--)
+ rl_yank (1, key);
- rl_yank ();
- rl_backward (1);
+ rl_backward_char (1, key);
+ return (0);
+}
+
+static void
+_rl_vi_backup ()
+{
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+ else
+ rl_point--;
}
+int
rl_vi_check ()
{
if (rl_point && rl_point == rl_end)
- rl_point--;
+ {
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+ else
+ rl_point--;
+ }
+ return (0);
}
-rl_vi_column (count)
+int
+rl_vi_column (count, key)
+ int count, key;
{
if (count > rl_end)
- rl_end_of_line ();
+ rl_end_of_line (1, key);
else
rl_point = count - 1;
+ return (0);
}
-int
-rl_vi_domove (key, nextkey)
- int key, *nextkey;
+/* Process C as part of the current numeric argument. Return -1 if the
+ argument should be aborted, 0 if we should not read any more chars, and
+ 1 if we should continue to read chars. */
+static int
+_rl_vi_arg_dispatch (c)
+ int c;
+{
+ int key;
+
+ key = c;
+ if (c >= 0 && _rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
+ {
+ rl_numeric_arg *= 4;
+ return 1;
+ }
+
+ 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;
+ return 1; /* keep going */
+ }
+ else
+ {
+ rl_clear_message ();
+ rl_stuff_char (key);
+ return 0; /* done */
+ }
+}
+
+/* A simplified loop for vi. Don't dispatch key at end.
+ Don't recognize minus sign?
+ Should this do rl_save_prompt/rl_restore_prompt? */
+static int
+rl_digit_loop1 ()
+{
+ int c, r;
+
+ while (1)
+ {
+ if (_rl_arg_overflow ())
+ return 1;
+
+ c = _rl_arg_getchar ();
+
+ r = _rl_vi_arg_dispatch (c);
+ if (r <= 0)
+ break;
+ }
+
+ RL_UNSETSTATE(RL_STATE_NUMERICARG);
+ return (0);
+}
+
+static void
+_rl_mvcxt_init (m, op, key)
+ _rl_vimotion_cxt *m;
+ int op, key;
+{
+ m->op = op;
+ m->state = m->flags = 0;
+ m->ncxt = 0;
+ m->numeric_arg = -1;
+ m->start = rl_point;
+ m->end = rl_end;
+ m->key = key;
+ m->motion = -1;
+}
+
+static _rl_vimotion_cxt *
+_rl_mvcxt_alloc (op, key)
+ int op, key;
+{
+ _rl_vimotion_cxt *m;
+
+ m = xmalloc (sizeof (_rl_vimotion_cxt));
+ _rl_mvcxt_init (m, op, key);
+ return m;
+}
+
+static void
+_rl_mvcxt_dispose (m)
+ _rl_vimotion_cxt *m;
+{
+ xfree (m);
+}
+
+static int
+rl_domove_motion_callback (m)
+ _rl_vimotion_cxt *m;
+{
+ int c, save, r;
+ int old_end;
+
+ _rl_vi_last_motion = c = m->motion;
+
+ /* 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 (m->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)
+ SWAP (rl_point, rl_mark);
+
+#if defined (READLINE_CALLBACKS)
+ if (RL_ISSTATE (RL_STATE_CALLBACK))
+ (*rl_redisplay_function)(); /* make sure motion is displayed */
+#endif
+
+ r = vidomove_dispatch (m);
+
+ return (r);
+}
+
+#define RL_VIMOVENUMARG() (RL_ISSTATE (RL_STATE_VIMOTION) && RL_ISSTATE (RL_STATE_NUMERICARG))
+
+static int
+rl_domove_read_callback (m)
+ _rl_vimotion_cxt *m;
{
int c, save;
- rl_mark = rl_point;
+ c = m->motion;
+
+ if (member (c, vi_motion))
+ {
+#if defined (READLINE_CALLBACKS)
+ /* If we just read a vi-mode motion command numeric argument, turn off
+ the `reading numeric arg' state */
+ if (RL_ISSTATE (RL_STATE_CALLBACK) && RL_VIMOVENUMARG())
+ RL_UNSETSTATE (RL_STATE_NUMERICARG);
+#endif
+ /* Should do everything, including turning off RL_STATE_VIMOTION */
+ return (rl_domove_motion_callback (m));
+ }
+ else if (m->key == c && (m->key == 'd' || m->key == 'y' || m->key == 'c'))
+ {
+ rl_mark = rl_end;
+ rl_beg_of_line (1, c);
+ _rl_vi_last_motion = c;
+ RL_UNSETSTATE (RL_STATE_VIMOTION);
+ return (vidomove_dispatch (m));
+ }
+#if defined (READLINE_CALLBACKS)
+ /* XXX - these need to handle rl_universal_argument bindings */
+ /* Reading vi motion char continuing numeric argument */
+ else if (_rl_digit_p (c) && RL_ISSTATE (RL_STATE_CALLBACK) && RL_VIMOVENUMARG())
+ {
+ return (_rl_vi_arg_dispatch (c));
+ }
+ /* Readine vi motion char starting numeric argument */
+ else if (_rl_digit_p (c) && RL_ISSTATE (RL_STATE_CALLBACK) && RL_ISSTATE (RL_STATE_VIMOTION) && (RL_ISSTATE (RL_STATE_NUMERICARG) == 0))
+ {
+ RL_SETSTATE (RL_STATE_NUMERICARG);
+ return (_rl_vi_arg_dispatch (c));
+ }
+#endif
+ else if (_rl_digit_p (c))
+ {
+ /* This code path taken when not in callback mode */
+ save = rl_numeric_arg;
+ rl_numeric_arg = _rl_digit_value (c);
+ rl_explicit_arg = 1;
+ RL_SETSTATE (RL_STATE_NUMERICARG);
+ rl_digit_loop1 ();
+ rl_numeric_arg *= save;
+ c = rl_vi_domove_getchar (m);
+ if (c < 0)
+ {
+ m->motion = 0;
+ return -1;
+ }
+ m->motion = c;
+ return (rl_domove_motion_callback (m));
+ }
+ else
+ {
+ RL_UNSETSTATE (RL_STATE_VIMOTION);
+ RL_UNSETSTATE (RL_STATE_NUMERICARG);
+ return (1);
+ }
+}
+
+static int
+rl_vi_domove_getchar (m)
+ _rl_vimotion_cxt *m;
+{
+ int c;
+
+ RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key ();
- *nextkey = c;
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+ return c;
+}
+
+#if defined (READLINE_CALLBACKS)
+int
+_rl_vi_domove_callback (m)
+ _rl_vimotion_cxt *m;
+{
+ int c, r;
+
+ m->motion = c = rl_vi_domove_getchar (m);
+ /* XXX - what to do if this returns -1? Should we return 1 for eof to
+ callback code? */
+ r = rl_domove_read_callback (m);
+
+ return ((r == 0) ? r : 1); /* normalize return values */
+}
+#endif
+
+/* This code path taken when not in callback mode. */
+int
+rl_vi_domove (x, ignore)
+ int x, *ignore;
+{
+ int r;
+ _rl_vimotion_cxt *m;
+
+ m = _rl_vimvcxt;
+ *ignore = m->motion = rl_vi_domove_getchar (m);
+
+ if (m->motion < 0)
+ {
+ m->motion = 0;
+ return -1;
+ }
+
+ return (rl_domove_read_callback (m));
+}
+
+static int
+vi_delete_dispatch (m)
+ _rl_vimotion_cxt *m;
+{
+ /* These are the motion commands that do not require adjusting the
+ mark. */
+ if (((strchr (" l|h^0bBFT`", m->motion) == 0) && (rl_point >= m->start)) &&
+ (rl_mark < rl_end))
+ rl_mark++;
+
+ rl_kill_text (rl_point, rl_mark);
+ return (0);
+}
+
+int
+rl_vi_delete_to (count, key)
+ int count, key;
+{
+ int c, r;
+
+ _rl_vimvcxt = _rl_mvcxt_alloc (VIM_DELETE, key);
+ _rl_vimvcxt->start = rl_point;
+
+ rl_mark = rl_point;
+ if (_rl_uppercase_p (key))
+ {
+ _rl_vimvcxt->motion = '$';
+ r = rl_domove_motion_callback (_rl_vimvcxt);
+ }
+ else if (vi_redoing)
+ {
+ _rl_vimvcxt->motion = _rl_vi_last_motion;
+ r = rl_domove_motion_callback (_rl_vimvcxt);
+ }
+#if defined (READLINE_CALLBACKS)
+ else if (RL_ISSTATE (RL_STATE_CALLBACK))
+ {
+ RL_SETSTATE (RL_STATE_VIMOTION);
+ return (0);
+ }
+#endif
+ else
+ r = rl_vi_domove (key, &c);
+
+ if (r < 0)
+ {
+ rl_ding ();
+ r = -1;
+ }
+
+ _rl_mvcxt_dispose (_rl_vimvcxt);
+ _rl_vimvcxt = 0;
+
+ return r;
+}
+
+static int
+vi_change_dispatch (m)
+ _rl_vimotion_cxt *m;
+{
+ /* These are the motion commands that do not require adjusting the
+ mark. c[wW] are handled by special-case code in rl_vi_domove(),
+ and already leave the mark at the correct location. */
+ if (((strchr (" l|hwW^0bBFT`", m->motion) == 0) && (rl_point >= m->start)) &&
+ (rl_mark < rl_end))
+ rl_mark++;
+
+ /* The cursor never moves with c[wW]. */
+ if ((_rl_to_upper (m->motion) == 'W') && rl_point < m->start)
+ rl_point = m->start;
+
+ if (vi_redoing)
+ {
+ if (vi_insert_buffer && *vi_insert_buffer)
+ rl_begin_undo_group ();
+ rl_delete_text (rl_point, rl_mark);
+ if (vi_insert_buffer && *vi_insert_buffer)
+ {
+ rl_insert_text (vi_insert_buffer);
+ rl_end_undo_group ();
+ }
+ }
+ else
+ {
+ rl_begin_undo_group (); /* to make the `u' command work */
+ rl_kill_text (rl_point, rl_mark);
+ /* `C' does not save the text inserted for undoing or redoing. */
+ if (_rl_uppercase_p (m->key) == 0)
+ _rl_vi_doing_insert = 1;
+ /* XXX -- TODO -- use m->numericarg? */
+ rl_vi_start_inserting (m->key, rl_numeric_arg, rl_arg_sign);
+ }
+
+ return (0);
+}
+
+int
+rl_vi_change_to (count, key)
+ int count, key;
+{
+ int c, r;
+
+ _rl_vimvcxt = _rl_mvcxt_alloc (VIM_CHANGE, key);
+ _rl_vimvcxt->start = rl_point;
+
+ rl_mark = rl_point;
+ if (_rl_uppercase_p (key))
+ {
+ _rl_vimvcxt->motion = '$';
+ r = rl_domove_motion_callback (_rl_vimvcxt);
+ }
+ else if (vi_redoing)
+ {
+ _rl_vimvcxt->motion = _rl_vi_last_motion;
+ r = rl_domove_motion_callback (_rl_vimvcxt);
+ }
+#if defined (READLINE_CALLBACKS)
+ else if (RL_ISSTATE (RL_STATE_CALLBACK))
+ {
+ RL_SETSTATE (RL_STATE_VIMOTION);
+ return (0);
+ }
+#endif
+ else
+ r = rl_vi_domove (key, &c);
- if (!member (c, vi_motion))
+ if (r < 0)
{
- if (digit (c))
- {
- save = rl_numeric_arg;
- rl_digit_loop1 ();
- rl_numeric_arg *= save;
- }
- else if ((key == 'd' && c == 'd') ||
- (key == 'c' && c == 'c'))
- {
- rl_mark = rl_end;
- rl_beg_of_line ();
- return (0);
- }
- else
- return (-1);
+ rl_ding ();
+ r = -1; /* normalize return value */
}
- rl_dispatch (c, keymap);
+ _rl_mvcxt_dispose (_rl_vimvcxt);
+ _rl_vimvcxt = 0;
- /* No change in position means the command failed. */
- if (rl_mark == rl_point)
- return (-1);
+ return r;
+}
- if ((c == 'w' || c == 'W') && rl_point < rl_end)
- rl_point--;
+static int
+vi_yank_dispatch (m)
+ _rl_vimotion_cxt *m;
+{
+ /* These are the motion commands that do not require adjusting the
+ mark. */
+ if (((strchr (" l|h^0%bBFT`", m->motion) == 0) && (rl_point >= m->start)) &&
+ (rl_mark < rl_end))
+ rl_mark++;
- if (rl_mark < rl_point)
- exchange (rl_point, rl_mark);
+ rl_begin_undo_group ();
+ rl_kill_text (rl_point, rl_mark);
+ rl_end_undo_group ();
+ rl_do_undo ();
+ rl_point = m->start;
return (0);
}
-/* A simplified loop for vi. Don't dispatch key at end.
- Don't recognize minus sign? */
-rl_digit_loop1 ()
+int
+rl_vi_yank_to (count, key)
+ int count, key;
{
- int key, c;
+ int c, r;
- while (1)
+ _rl_vimvcxt = _rl_mvcxt_alloc (VIM_YANK, key);
+ _rl_vimvcxt->start = rl_point;
+
+ rl_mark = rl_point;
+ if (_rl_uppercase_p (key))
+ {
+ _rl_vimvcxt->motion = '$';
+ r = rl_domove_motion_callback (_rl_vimvcxt);
+ }
+#if defined (READLINE_CALLBACKS)
+ else if (RL_ISSTATE (RL_STATE_CALLBACK))
{
- rl_message ("(arg: %d) ", arg_sign * rl_numeric_arg, 0);
- key = c = rl_read_key ();
+ RL_SETSTATE (RL_STATE_VIMOTION);
+ return (0);
+ }
+#endif
+ else
+ r = rl_vi_domove (key, &c);
- if (keymap[c].type == ISFUNC &&
- keymap[c].function == rl_universal_argument)
- {
- rl_numeric_arg *= 4;
- continue;
- }
- c = UNMETA (c);
- if (numeric (c))
- {
- if (rl_explicit_arg)
- rl_numeric_arg = (rl_numeric_arg * 10) + (c - '0');
- else
- rl_numeric_arg = (c - '0');
- rl_explicit_arg = 1;
- }
- else
- {
- rl_clear_message ();
- rl_stuff_char (key);
- }
+ if (r < 0)
+ {
+ rl_ding ();
+ r = -1;
}
+
+ _rl_mvcxt_dispose (_rl_vimvcxt);
+ _rl_vimvcxt = 0;
+
+ return r;
}
-rl_vi_delete_to (count, key)
- int count, key;
+static int
+vidomove_dispatch (m)
+ _rl_vimotion_cxt *m;
{
- int c;
+ int r;
- if (uppercase_p (key))
- rl_stuff_char ('$');
-
- if (rl_vi_domove (key, &c))
+ switch (m->op)
{
- ding ();
- return;
+ case VIM_DELETE:
+ r = vi_delete_dispatch (m);
+ break;
+ case VIM_CHANGE:
+ r = vi_change_dispatch (m);
+ break;
+ case VIM_YANK:
+ r = vi_yank_dispatch (m);
+ break;
+ default:
+ _rl_errmsg ("vidomove_dispatch: unknown operator %d", m->op);
+ r = 1;
+ break;
}
- if ((c != '|') && (c != 'h') && rl_mark < rl_end)
- rl_mark++;
-
- rl_kill_text (rl_point, rl_mark);
+ RL_UNSETSTATE (RL_STATE_VIMOTION);
+ return r;
}
-rl_vi_change_to (count, key)
+int
+rl_vi_rubout (count, key)
int count, key;
{
- int c;
+ int opoint;
- if (uppercase_p (key))
- rl_stuff_char ('$');
+ if (count < 0)
+ return (rl_vi_delete (-count, key));
- if (rl_vi_domove (key, &c))
+ if (rl_point == 0)
{
- ding ();
- return;
+ rl_ding ();
+ return -1;
}
- if ((c != '|') && (c != 'h') && rl_mark < rl_end)
- rl_mark++;
+ opoint = rl_point;
+ if (count > 1 && MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ rl_backward_char (count, key);
+ else if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+ else
+ rl_point -= count;
- rl_begin_undo_group ();
- vi_doing_insert = 1;
- rl_kill_text (rl_point, rl_mark);
- rl_vi_insertion_mode ();
+ if (rl_point < 0)
+ rl_point = 0;
+
+ rl_kill_text (rl_point, opoint);
+
+ return (0);
}
-rl_vi_yank_to (count, key)
+int
+rl_vi_delete (count, key)
int count, key;
{
- int c, save = rl_point;
+ int end;
- if (uppercase_p (key))
- rl_stuff_char ('$');
+ if (count < 0)
+ return (rl_vi_rubout (-count, key));
- if (rl_vi_domove (key, &c))
+ if (rl_end == 0)
{
- ding ();
- return;
+ rl_ding ();
+ return -1;
}
- rl_begin_undo_group ();
- rl_kill_text (rl_point, rl_mark);
- rl_end_undo_group ();
- rl_do_undo ();
- rl_point = save;
-}
-
-rl_vi_delete (count)
-{
- if (rl_point >= rl_end - 1)
- {
- rl_delete (count, 0);
- if (rl_point > 0)
- rl_backward (1);
- }
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ end = _rl_find_next_mbchar (rl_line_buffer, rl_point, count, MB_FIND_NONZERO);
else
- rl_delete (count, 0);
+ 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_char (1, key);
+
+ return (0);
}
-/* Turn the current line into a comment in shell history. A ksh function */
-rl_vi_comment ()
+int
+rl_vi_back_to_indent (count, key)
+ int count, key;
{
- rl_beg_of_line ();
- rl_insert_text (": "); /* # doesn't work in interactive mode */
- rl_redisplay ();
- rl_newline (1, '\010');
+ rl_beg_of_line (1, key);
+ while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
+ rl_point++;
+ return (0);
}
-rl_vi_first_print ()
+int
+rl_vi_first_print (count, key)
+ int count, key;
{
- rl_back_to_indent ();
+ return (rl_vi_back_to_indent (1, key));
}
-rl_back_to_indent (ignore1, ignore2)
- int ignore1, ignore2;
+static int _rl_cs_dir, _rl_cs_orig_dir;
+
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_vi_callback_char_search (data)
+ _rl_callback_generic_arg *data;
{
- rl_beg_of_line ();
- while (rl_point < rl_end && whitespace (the_line[rl_point]))
- rl_point++;
-}
+ int c;
+#if defined (HANDLE_MULTIBYTE)
+ c = _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+#else
+ RL_SETSTATE(RL_STATE_MOREINPUT);
+ c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+#endif
-/* NOTE: it is necessary that opposite directions are inverses */
-#define FTO 1 /* forward to */
-#define BTO -1 /* backward to */
-#define FFIND 2 /* forward find */
-#define BFIND -2 /* backward find */
+ if (c <= 0)
+ return -1;
+#if !defined (HANDLE_MULTIBYTE)
+ _rl_vi_last_search_char = c;
+#endif
+
+ _rl_callback_func = 0;
+ _rl_want_redisplay = 1;
+
+#if defined (HANDLE_MULTIBYTE)
+ return (_rl_char_search_internal (data->count, _rl_cs_dir, _rl_vi_last_search_mbchar, _rl_vi_last_search_mblen));
+#else
+ return (_rl_char_search_internal (data->count, _rl_cs_dir, _rl_vi_last_search_char));
+#endif
+}
+#endif
+
+int
rl_vi_char_search (count, key)
int count, key;
{
+ int c;
+#if defined (HANDLE_MULTIBYTE)
+ static char *target;
+ static int tlen;
+#else
static char target;
- static int orig_dir, dir;
- int pos;
+#endif
if (key == ';' || key == ',')
- dir = (key == ';' ? orig_dir : -orig_dir);
+ {
+ if (_rl_cs_orig_dir == 0)
+ return -1;
+#if defined (HANDLE_MULTIBYTE)
+ if (_rl_vi_last_search_mblen == 0)
+ return -1;
+#else
+ if (_rl_vi_last_search_char == 0)
+ return -1;
+#endif
+ _rl_cs_dir = (key == ';') ? _rl_cs_orig_dir : -_rl_cs_orig_dir;
+ }
else
{
- target = rl_getc (in_stream);
-
switch (key)
{
case 't':
- orig_dir = dir = FTO;
+ _rl_cs_orig_dir = _rl_cs_dir = FTO;
break;
case 'T':
- orig_dir = dir = BTO;
+ _rl_cs_orig_dir = _rl_cs_dir = BTO;
break;
case 'f':
- orig_dir = dir = FFIND;
+ _rl_cs_orig_dir = _rl_cs_dir = FFIND;
break;
case 'F':
- orig_dir = dir = BFIND;
+ _rl_cs_orig_dir = _rl_cs_dir = BFIND;
break;
}
- }
-
- pos = rl_point;
- if (dir < 0)
- {
- pos--;
- do
+ if (vi_redoing)
{
- if (the_line[pos] == target)
- {
- if (dir == BTO)
- rl_point = pos + 1;
- else
- rl_point = pos;
- return;
- }
+ /* set target and tlen below */
}
- while (pos--);
-
- if (pos < 0)
+#if defined (READLINE_CALLBACKS)
+ else if (RL_ISSTATE (RL_STATE_CALLBACK))
{
- ding ();
- return;
+ _rl_callback_data = _rl_callback_data_alloc (count);
+ _rl_callback_data->i1 = _rl_cs_dir;
+ _rl_callback_func = _rl_vi_callback_char_search;
+ return (0);
}
- }
- else
- { /* dir > 0 */
- pos++;
- do
+#endif
+ else
{
- if (the_line[pos] == target)
- {
- if (dir == FTO)
- rl_point = pos - 1;
- else
- rl_point = pos;
- return;
- }
+#if defined (HANDLE_MULTIBYTE)
+ c = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+ if (c <= 0)
+ return -1;
+ _rl_vi_last_search_mblen = c;
+#else
+ RL_SETSTATE(RL_STATE_MOREINPUT);
+ c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+ _rl_vi_last_search_char = c;
+#endif
}
- while (++pos < rl_end);
-
- if (pos >= (rl_end - 1))
- ding ();
}
+
+#if defined (HANDLE_MULTIBYTE)
+ target = _rl_vi_last_search_mbchar;
+ tlen = _rl_vi_last_search_mblen;
+#else
+ target = _rl_vi_last_search_char;
+#endif
+
+#if defined (HANDLE_MULTIBYTE)
+ return (_rl_char_search_internal (count, _rl_cs_dir, target, tlen));
+#else
+ return (_rl_char_search_internal (count, _rl_cs_dir, target));
+#endif
}
/* Match brackets */
-rl_vi_match ()
+int
+rl_vi_match (ignore, key)
+ int ignore, key;
{
- int count = 1, brack, pos;
+ int count = 1, brack, pos, tmp, pre;
pos = rl_point;
- if ((brack = rl_vi_bracktype (the_line[rl_point])) == 0)
+ if ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0)
{
- while ((brack = rl_vi_bracktype (the_line[rl_point])) == 0 &&
- rl_point < rl_end - 1)
- rl_forward (1);
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ {
+ while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0)
+ {
+ pre = rl_point;
+ rl_forward_char (1, key);
+ if (pre == rl_point)
+ break;
+ }
+ }
+ else
+ while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0 &&
+ rl_point < rl_end - 1)
+ rl_forward_char (1, key);
if (brack <= 0)
{
rl_point = pos;
- ding ();
- return;
+ rl_ding ();
+ return -1;
}
}
{
while (count)
{
- if (--pos >= 0)
+ tmp = pos;
+ if (MB_CUR_MAX == 1 || rl_byte_oriented)
+ pos--;
+ else
{
- int b = rl_vi_bracktype (the_line[pos]);
+ pos = _rl_find_prev_mbchar (rl_line_buffer, pos, MB_FIND_ANY);
+ if (tmp == pos)
+ pos--;
+ }
+ if (pos >= 0)
+ {
+ int b = rl_vi_bracktype (rl_line_buffer[pos]);
if (b == -brack)
count--;
else if (b == brack)
}
else
{
- ding ();
- return;
+ rl_ding ();
+ return -1;
}
}
}
{ /* brack > 0 */
while (count)
{
- if (++pos < rl_end)
+ if (MB_CUR_MAX == 1 || rl_byte_oriented)
+ pos++;
+ else
+ pos = _rl_find_next_mbchar (rl_line_buffer, pos, 1, MB_FIND_ANY);
+
+ if (pos < rl_end)
{
- int b = rl_vi_bracktype (the_line[pos]);
+ int b = rl_vi_bracktype (rl_line_buffer[pos]);
if (b == -brack)
count--;
else if (b == brack)
}
else
{
- ding ();
- return;
+ rl_ding ();
+ return -1;
}
}
}
rl_point = pos;
+ return (0);
}
int
}
}
-rl_vi_change_char ()
+static int
+_rl_vi_change_char (count, c, mb)
+ int count, c;
+ char *mb;
{
- int c;
+ int p;
- c = rl_getc (in_stream);
+ if (c == '\033' || c == CTRL ('C'))
+ return -1;
- switch (c)
+ rl_begin_undo_group ();
+ while (count-- && rl_point < rl_end)
{
- case '\033':
- case CTRL('C'):
- return;
-
- default:
- rl_begin_undo_group ();
- rl_delete (1, c);
- rl_insert (1, c);
- rl_end_undo_group ();
- break;
+ p = rl_point;
+ rl_vi_delete (1, c);
+ if (rl_point < p) /* Did we retreat at EOL? */
+ rl_point++;
+#if defined (HANDLE_MULTIBYTE)
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ rl_insert_text (mb);
+ else
+#endif
+ _rl_insert_char (1, c);
}
+
+ /* The cursor shall be left on the last character changed. */
+ rl_backward_char (1, c);
+
+ rl_end_undo_group ();
+
+ return (0);
}
-rl_vi_subst (count, key)
+static int
+_rl_vi_callback_getchar (mb, mlen)
+ char *mb;
+ int mlen;
+{
+ int c;
+
+ RL_SETSTATE(RL_STATE_MOREINPUT);
+ c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+ if (c < 0)
+ return -1;
+
+#if defined (HANDLE_MULTIBYTE)
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ c = _rl_read_mbstring (c, mb, mlen);
+#endif
+
+ return c;
+}
+
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_vi_callback_change_char (data)
+ _rl_callback_generic_arg *data;
+{
+ int c;
+ char mb[MB_LEN_MAX];
+
+ _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
+
+ if (c < 0)
+ return -1;
+
+ _rl_callback_func = 0;
+ _rl_want_redisplay = 1;
+
+ return (_rl_vi_change_char (data->count, c, mb));
+}
+#endif
+
+int
+rl_vi_change_char (count, key)
int count, key;
{
- rl_begin_undo_group ();
- vi_doing_insert = 1;
+ int c;
+ char mb[MB_LEN_MAX];
- if (uppercase_p (key))
+ if (vi_redoing)
+ {
+ c = _rl_vi_last_replacement;
+ mb[0] = c;
+ mb[1] = '\0';
+ }
+#if defined (READLINE_CALLBACKS)
+ else if (RL_ISSTATE (RL_STATE_CALLBACK))
{
- rl_beg_of_line ();
- rl_kill_line (1);
+ _rl_callback_data = _rl_callback_data_alloc (count);
+ _rl_callback_func = _rl_vi_callback_change_char;
+ return (0);
}
+#endif
else
- rl_delete (1, key);
+ _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
- rl_vi_insertion_mode ();
+ if (c < 0)
+ return -1;
+
+ return (_rl_vi_change_char (count, c, mb));
}
-rl_vi_overstrike (count, key)
+int
+rl_vi_subst (count, key)
int count, key;
{
- int i;
+ /* If we are redoing, rl_vi_change_to will stuff the last motion char */
+ if (vi_redoing == 0)
+ rl_stuff_char ((key == 'S') ? 'c' : 'l'); /* `S' == `cc', `s' == `cl' */
+
+ return (rl_vi_change_to (count, 'c'));
+}
- if (vi_doing_insert == 0)
+int
+rl_vi_overstrike (count, key)
+ int count, key;
+{
+ if (_rl_vi_doing_insert == 0)
{
- vi_doing_insert = 1;
+ _rl_vi_doing_insert = 1;
rl_begin_undo_group ();
}
- for (i = 0; i < count; i++)
+ if (count > 0)
{
- 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 ();
+ _rl_overwrite_char (count, key);
+ vi_replace_count += count;
}
+
+ return (0);
}
-rl_vi_overstrike_delete (count)
- int count;
+int
+rl_vi_overstrike_delete (count, key)
+ int count, key;
{
int i, s;
{
if (vi_replace_count == 0)
{
- ding ();
+ rl_ding ();
break;
}
s = rl_point;
vi_replace_count--;
if (rl_point == s)
- rl_backward (1);
+ rl_backward_char (1, key);
}
- if (vi_replace_count == 0 && vi_doing_insert)
+ if (vi_replace_count == 0 && _rl_vi_doing_insert)
{
rl_end_undo_group ();
rl_do_undo ();
- vi_doing_insert = 0;
+ _rl_vi_doing_insert = 0;
}
+ return (0);
}
-rl_vi_replace ()
+int
+rl_vi_replace (count, key)
+ int count, key;
{
int i;
vi_replace_count = 0;
- vi_replace_map = rl_make_bare_keymap ();
+ 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;
- for (i = ' '; i < 127; 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;
- 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;
- keymap = vi_replace_map;
+ /* 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);
}
-/*
- * 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 ;.
- */
+#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 (!index (" ;", the_line[rl_point]))
+ if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';')
{
- while (!index(" ;", the_line[++rl_point]))
- ;
+ while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' &&
+ rl_line_buffer[rl_point] != ';')
+ rl_point++;
}
- else if (the_line[rl_point-1] == ';')
+ else if (rl_line_buffer[rl_point - 1] == ';')
{
- ding ();
+ rl_ding ();
return (0);
}
return (0);
}
+#endif
+
+/* Functions to save and restore marks. */
+static int
+_rl_vi_set_mark ()
+{
+ int ch;
+
+ RL_SETSTATE(RL_STATE_MOREINPUT);
+ ch = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+ if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */
+ {
+ rl_ding ();
+ return -1;
+ }
+ ch -= 'a';
+ vi_mark_chars[ch] = rl_point;
+ return 0;
+}
+
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_vi_callback_set_mark (data)
+ _rl_callback_generic_arg *data;
+{
+ _rl_callback_func = 0;
+ _rl_want_redisplay = 1;
+
+ return (_rl_vi_set_mark ());
+}
+#endif
+
+int
+rl_vi_set_mark (count, key)
+ int count, key;
+{
+#if defined (READLINE_CALLBACKS)
+ if (RL_ISSTATE (RL_STATE_CALLBACK))
+ {
+ _rl_callback_data = 0;
+ _rl_callback_func = _rl_vi_callback_set_mark;
+ return (0);
+ }
+#endif
+
+ return (_rl_vi_set_mark ());
+}
+
+static int
+_rl_vi_goto_mark ()
+{
+ int ch;
+
+ RL_SETSTATE(RL_STATE_MOREINPUT);
+ ch = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+ if (ch == '`')
+ {
+ rl_point = rl_mark;
+ return 0;
+ }
+ else if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */
+ {
+ rl_ding ();
+ return -1;
+ }
+
+ ch -= 'a';
+ if (vi_mark_chars[ch] == -1)
+ {
+ rl_ding ();
+ return -1;
+ }
+ rl_point = vi_mark_chars[ch];
+ return 0;
+}
+
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_vi_callback_goto_mark (data)
+ _rl_callback_generic_arg *data;
+{
+ _rl_callback_func = 0;
+ _rl_want_redisplay = 1;
+
+ return (_rl_vi_goto_mark ());
+}
+#endif
+
+int
+rl_vi_goto_mark (count, key)
+ int count, key;
+{
+#if defined (READLINE_CALLBACKS)
+ if (RL_ISSTATE (RL_STATE_CALLBACK))
+ {
+ _rl_callback_data = 0;
+ _rl_callback_func = _rl_vi_callback_goto_mark;
+ return (0);
+ }
+#endif
+
+ return (_rl_vi_goto_mark ());
+}
+#endif /* VI_MODE */