+++ /dev/null
-/* vi_mode.c -- A vi emulation mode for Bash.
- Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */
-
-/* Copyright (C) 1987-2016 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
-
-/* **************************************************************** */
-/* */
-/* 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 */
-
-_rl_vimotion_cxt *_rl_vimvcxt = 0;
-
-/* Non-zero indicates we are redoing a vi-mode command with `.' */
-int _rl_vi_redoing;
-
-/* Non-zero means enter insertion mode. */
-static int _rl_vi_doing_insert;
-
-/* Command keys which do movement for xxx_to commands. */
-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;
-
-/* 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_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;
-
-/* 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_replace_insert PARAMS((int));
-static void _rl_vi_save_replace PARAMS((void));
-static void _rl_vi_stuff_insert PARAMS((int));
-static void _rl_vi_save_insert PARAMS((UNDO_LIST *));
-
-static void vi_save_insert_buffer PARAMS ((int, int));
-
-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));
-}
-
-int
-_rl_vi_motion_command (c)
- int c;
-{
- return (member (c, vi_motion));
-}
-
-static void
-_rl_vi_replace_insert (count)
- int count;
-{
- int nchars;
-
- nchars = strlen (vi_insert_buffer);
-
- rl_begin_undo_group ();
- while (count--)
- /* nchars-1 to compensate for _rl_replace_text using `end+1' in call
- to rl_delete_text */
- _rl_replace_text (vi_insert_buffer, rl_point, rl_point+nchars-1);
- rl_end_undo_group ();
-}
-
-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;
-{
- int r;
-
- if (rl_explicit_arg == 0)
- {
- rl_numeric_arg = _rl_vi_last_repeat;
- rl_arg_sign = _rl_vi_last_arg_sign;
- }
-
- r = 0;
- _rl_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 ();
- }
- else if (_rl_vi_last_command == 'R' && vi_insert_buffer && *vi_insert_buffer)
- {
- _rl_vi_replace_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);
-
- _rl_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. */
-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_free_saved_history_line ();
- rl_noninc_forward_search (count, key);
- break;
-
- case '/':
- _rl_free_saved_history_line ();
- rl_noninc_reverse_search (count, key);
- break;
-
- default:
- rl_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_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_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))
- {
- rl_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)
- {
- rl_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]))
- 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 (_rl_isident (rl_line_buffer[rl_point]))
- {
- while (_rl_isident (rl_line_buffer[rl_point]) && rl_point < rl_end)
- rl_point++;
- }
- else /* if (!whitespace (rl_line_buffer[rl_point])) */
- {
- while (!_rl_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 = _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 (_rl_isident (rl_line_buffer[rl_point]))
- while (--rl_point >= 0 && _rl_isident (rl_line_buffer[rl_point]));
- else
- while (--rl_point >= 0 && !_rl_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 (_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 && !_rl_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_insert_mode (1, key);
- return (0);
-}
-
-static void
-_rl_vi_append_forward (key)
- int key;
-{
- int point;
-
- if (rl_point < rl_end)
- {
- 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;
- }
- }
-}
-
-int
-rl_vi_append_mode (count, key)
- int count, key;
-{
- _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;
-{
- 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;
- if (_rl_show_mode_in_prompt)
- _rl_reset_prompt ();
- return (0);
-}
-
-int
-rl_vi_insert_mode (count, key)
- int count, key;
-{
- rl_vi_start_inserting (key, 1, rl_arg_sign);
- return (0);
-}
-
-static void
-vi_save_insert_buffer (start, len)
- int start, len;
-{
- /* Same code as _rl_vi_save_insert below */
- 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';
-}
-
-static void
-_rl_vi_save_replace ()
-{
- int len, start, end;
- UNDO_LIST *up;
-
- up = rl_undo_list;
- if (up == 0 || up->what != UNDO_END || vi_replace_count <= 0)
- {
- if (vi_insert_buffer_size >= 1)
- vi_insert_buffer[0] = '\0';
- return;
- }
- /* Let's try it the quick and easy way for now. This should essentially
- accommodate every UNDO_INSERT and save the inserted text to
- vi_insert_buffer */
- end = rl_point;
- start = end - vi_replace_count + 1;
- len = vi_replace_count + 1;
-
- vi_save_insert_buffer (start, len);
-}
-
-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;
-
- vi_save_insert_buffer (start, len);
-}
-
-void
-_rl_vi_done_inserting ()
-{
- if (_rl_vi_doing_insert)
- {
- /* The `C', `s', and `S' commands set this. */
- 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;
- if (_rl_vi_last_key_before_insert == 'R')
- _rl_vi_save_replace (); /* Half the battle */
- else
- _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 ();
-
- if (_rl_show_mode_in_prompt)
- _rl_reset_prompt ();
-
- 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)
- return (rl_beg_of_line (1, c));
- else
- return (rl_digit_argument (count, c));
-}
-
-/* Change the case of the next COUNT characters. */
-#if defined (HANDLE_MULTIBYTE)
-static int
-_rl_vi_change_mbchar_case (count)
- int count;
-{
- 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;
-
- /* Don't try this on an empty line. */
- if (rl_point >= rl_end)
- return (0);
-
- 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)
- {
- 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);
- }
- return (0);
-}
-
-int
-rl_vi_put (count, key)
- int count, key;
-{
- 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_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)
- {
- 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);
-}
-
-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);
-}
-
-/* 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;
-
- _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. Original value of rl_end is saved
- as m->end. */
- rl_line_buffer[rl_end++] = ' ';
- rl_line_buffer[rl_end] = '\0';
-
- _rl_dispatch (c, _rl_keymap);
-
-#if defined (READLINE_CALLBACKS)
- if (RL_ISSTATE (RL_STATE_CALLBACK))
- {
- /* Messy case where char search can be vi motion command; see rest of
- details in callback.c. vi_char_search and callback_char_search just
- set and unset the CHARSEARCH state. This is where any vi motion
- command that needs to set its own state should be handled, with any
- corresponding code to manage that state in callback.c */
- if (RL_ISSTATE (RL_STATE_CHARSEARCH))
- return 0;
- else
- return (_rl_vi_domove_motion_cleanup (c, m));
- }
-#endif
-
- return (_rl_vi_domove_motion_cleanup (c, m));
-}
-
-int
-_rl_vi_domove_motion_cleanup (c, m)
- int c;
- _rl_vimotion_cxt *m;
-{
- int r;
-
- /* Remove the blank that we added in rl_domove_motion_callback. */
- rl_end = m->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)
- {
- RL_UNSETSTATE (RL_STATE_VIMOTION);
- 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;
-
- 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 ();
- 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);
- if (c < 0)
- return 1; /* EOF */
- 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 (_rl_vi_redoing && _rl_vi_last_motion != 'd') /* `dd' is special */
- {
- _rl_vimvcxt->motion = _rl_vi_last_motion;
- r = rl_domove_motion_callback (_rl_vimvcxt);
- }
- else if (_rl_vi_redoing) /* handle redoing `dd' here */
- {
- _rl_vimvcxt->motion = _rl_vi_last_motion;
- rl_mark = rl_end;
- rl_beg_of_line (1, key);
- RL_UNSETSTATE (RL_STATE_VIMOTION);
- r = vidomove_dispatch (_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 (_rl_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 (_rl_vi_redoing && _rl_vi_last_motion != 'c') /* `cc' is special */
- {
- _rl_vimvcxt->motion = _rl_vi_last_motion;
- r = rl_domove_motion_callback (_rl_vimvcxt);
- }
- else if (_rl_vi_redoing) /* handle redoing `cc' here */
- {
- _rl_vimvcxt->motion = _rl_vi_last_motion;
- rl_mark = rl_end;
- rl_beg_of_line (1, key);
- RL_UNSETSTATE (RL_STATE_VIMOTION);
- r = vidomove_dispatch (_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; /* normalize return value */
- }
-
- _rl_mvcxt_dispose (_rl_vimvcxt);
- _rl_vimvcxt = 0;
-
- return r;
-}
-
-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++;
-
- rl_begin_undo_group ();
- rl_kill_text (rl_point, rl_mark);
- rl_end_undo_group ();
- rl_do_undo ();
- rl_point = m->start;
-
- return (0);
-}
-
-int
-rl_vi_yank_to (count, key)
- int count, key;
-{
- int c, r;
-
- _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);
- }
- else if (_rl_vi_redoing && _rl_vi_last_motion != 'y') /* `yy' is special */
- {
- _rl_vimvcxt->motion = _rl_vi_last_motion;
- r = rl_domove_motion_callback (_rl_vimvcxt);
- }
- else if (_rl_vi_redoing) /* handle redoing `yy' here */
- {
- _rl_vimvcxt->motion = _rl_vi_last_motion;
- rl_mark = rl_end;
- rl_beg_of_line (1, key);
- RL_UNSETSTATE (RL_STATE_VIMOTION);
- r = vidomove_dispatch (_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
-vidomove_dispatch (m)
- _rl_vimotion_cxt *m;
-{
- int r;
-
- switch (m->op)
- {
- 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;
- }
-
- RL_UNSETSTATE (RL_STATE_VIMOTION);
- return r;
-}
-
-int
-rl_vi_rubout (count, key)
- int count, key;
-{
- int opoint;
-
- if (count < 0)
- return (rl_vi_delete (-count, key));
-
- if (rl_point == 0)
- {
- rl_ding ();
- return 1;
- }
-
- 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;
-
- if (rl_point < 0)
- rl_point = 0;
-
- rl_kill_text (rl_point, opoint);
-
- return (0);
-}
-
-int
-rl_vi_delete (count, key)
- int count, key;
-{
- int end;
-
- if (count < 0)
- return (rl_vi_rubout (-count, key));
-
- if (rl_end == 0)
- {
- rl_ding ();
- return 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
- 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);
-}
-
-/* This does what Posix specifies vi-mode C-w to do: using whitespace and
- punctuation characters as the word boundaries. */
-
-#define vi_unix_word_boundary(c) (whitespace(c) || ispunct(c))
-
-int
-rl_vi_unix_word_rubout (count, key)
- int count, key;
-{
- int orig_point, c;
-
- if (rl_point == 0)
- rl_ding ();
- else
- {
- orig_point = rl_point;
- if (count <= 0)
- count = 1;
-
- while (count--)
- {
- /* This isn't quite what ksh93 does but it seems to match what the
- Posix description of sh specifies, with a few accommodations
- for sequences of whitespace characters between words and at
- the end of the line. */
-
- /* Skip over whitespace at the end of the line as a special case */
- if (rl_point > 0 && (rl_line_buffer[rl_point] == 0) &&
- whitespace (rl_line_buffer[rl_point - 1]))
- while (--rl_point > 0 && whitespace (rl_line_buffer[rl_point]))
- ;
-
- /* We consider the character that is "the one preceding the cursor" */
- c = rl_line_buffer[rl_point - 1];
-
- /* If we are at a word boundary (whitespace/punct), move backward
- past a sequence of word boundary characters. If we are at the
- end of a word (non-word boundary), move back to a word boundary */
- if (rl_point > 1 && vi_unix_word_boundary (c) && vi_unix_word_boundary (rl_line_buffer[rl_point - 2]))
- while (rl_point && vi_unix_word_boundary (rl_line_buffer[rl_point - 1]))
- rl_point--;
- else if (rl_point > 0)
- while (--rl_point && (vi_unix_word_boundary (rl_line_buffer[rl_point - 1]) == 0))
- ;
- }
-
- rl_kill_text (orig_point, rl_point);
- }
-
- 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));
-}
-
-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;
-{
- 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
-
- if (c <= 0)
- {
- RL_UNSETSTATE (RL_STATE_CHARSEARCH);
- return -1;
- }
-
-#if !defined (HANDLE_MULTIBYTE)
- _rl_vi_last_search_char = c;
-#endif
-
- _rl_callback_func = 0;
- _rl_want_redisplay = 1;
- RL_UNSETSTATE (RL_STATE_CHARSEARCH);
-
-#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;
-#endif
-
- if (key == ';' || key == ',')
- {
- 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
- {
- switch (key)
- {
- case 't':
- _rl_cs_orig_dir = _rl_cs_dir = FTO;
- break;
-
- case 'T':
- _rl_cs_orig_dir = _rl_cs_dir = BTO;
- break;
-
- case 'f':
- _rl_cs_orig_dir = _rl_cs_dir = FFIND;
- break;
-
- case 'F':
- _rl_cs_orig_dir = _rl_cs_dir = BFIND;
- break;
- }
-
- if (_rl_vi_redoing)
- {
- /* set target and tlen below */
- }
-#if defined (READLINE_CALLBACKS)
- else if (RL_ISSTATE (RL_STATE_CALLBACK))
- {
- _rl_callback_data = _rl_callback_data_alloc (count);
- _rl_callback_data->i1 = _rl_cs_dir;
- _rl_callback_data->i2 = key;
- _rl_callback_func = _rl_vi_callback_char_search;
- RL_SETSTATE (RL_STATE_CHARSEARCH);
- return (0);
- }
-#endif
- else
- {
-#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
- }
- }
-
-#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 */
-int
-rl_vi_match (ignore, key)
- int ignore, key;
-{
- int count = 1, brack, pos, tmp, pre;
-
- pos = rl_point;
- if ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0)
- {
- 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;
- rl_ding ();
- return 1;
- }
- }
-
- pos = rl_point;
-
- if (brack < 0)
- {
- while (count)
- {
- tmp = pos;
- if (MB_CUR_MAX == 1 || rl_byte_oriented)
- pos--;
- else
- {
- 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)
- count++;
- }
- else
- {
- rl_ding ();
- return 1;
- }
- }
- }
- else
- { /* brack > 0 */
- while (count)
- {
- 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 (rl_line_buffer[pos]);
- if (b == -brack)
- count--;
- else if (b == brack)
- count++;
- }
- else
- {
- rl_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;
- }
-}
-
-static int
-_rl_vi_change_char (count, c, mb)
- int count, c;
- char *mb;
-{
- int p;
-
- if (c == '\033' || c == CTRL ('C'))
- return -1;
-
- rl_begin_undo_group ();
- while (count-- && rl_point < rl_end)
- {
- 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);
-}
-
-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;
-{
- int c;
- char mb[MB_LEN_MAX];
-
- if (_rl_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_callback_data = _rl_callback_data_alloc (count);
- _rl_callback_func = _rl_vi_callback_change_char;
- return (0);
- }
-#endif
- else
- _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
-
- if (c < 0)
- return -1;
-
- return (_rl_vi_change_char (count, c, mb));
-}
-
-int
-rl_vi_subst (count, key)
- int count, key;
-{
- /* If we are redoing, rl_vi_change_to will stuff the last motion char */
- if (_rl_vi_redoing == 0)
- rl_stuff_char ((key == 'S') ? 'c' : 'l'); /* `S' == `cc', `s' == `cl' */
-
- return (rl_vi_change_to (count, 'c'));
-}
-
-int
-rl_vi_overstrike (count, key)
- int count, key;
-{
- if (_rl_vi_doing_insert == 0)
- {
- _rl_vi_doing_insert = 1;
- rl_begin_undo_group ();
- }
-
- if (count > 0)
- {
- _rl_overwrite_char (count, key);
- vi_replace_count += count;
- }
-
- 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)
- {
- rl_ding ();
- break;
- }
- s = rl_point;
-
- if (rl_do_undo ())
- vi_replace_count--;
-
- if (rl_point == s)
- rl_backward_char (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 == 0)
- {
- vi_replace_map = rl_make_bare_keymap ();
-
- for (i = 0; i < ' '; i++)
- if (vi_insertion_keymap[i].type == ISFUNC)
- vi_replace_map[i].function = vi_insertion_keymap[i].function;
-
- for (i = ' '; i < KEYMAP_SIZE; i++)
- vi_replace_map[i].function = rl_vi_overstrike;
-
- vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete;
-
- /* Make sure these are what we want. */
- 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_vi_start_inserting (key, 1, rl_arg_sign);
-
- _rl_vi_last_key_before_insert = key;
- _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] == ';')
- {
- rl_ding ();
- return (0);
- }
-
- rl_possible_completions ();
- rl_point = save_pos;
-
- 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 */
projects / thirdparty / bash.git / commitdiff
