From ae2779e504ca5ae11a87e047b4536a5f428cce4d Mon Sep 17 00:00:00 2001 From: pixel Date: Sat, 27 Nov 2004 21:46:02 +0000 Subject: Large dos2unix commit... --- MSVC/readline/vi_mode.c | 2966 +++++++++++++++++++++++------------------------ 1 file changed, 1483 insertions(+), 1483 deletions(-) (limited to 'MSVC/readline/vi_mode.c') diff --git a/MSVC/readline/vi_mode.c b/MSVC/readline/vi_mode.c index b879f07..6ea2161 100644 --- a/MSVC/readline/vi_mode.c +++ b/MSVC/readline/vi_mode.c @@ -1,1483 +1,1483 @@ -/* vi_mode.c -- A vi emulation mode for Bash. - Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */ - -/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc. - - This file is part of the GNU Readline Library, a library for - reading lines of text with interactive input and history editing. - - The GNU Readline Library is free software; you can redistribute it - and/or modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 2, or - (at your option) any later version. - - The GNU Readline Library is distributed in the hope that it will be - useful, but WITHOUT ANY WARRANTY; without even the implied warranty - of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - The GNU General Public License is often shipped with GNU software, and - is generally kept in a file called COPYING or LICENSE. If you do not - have a copy of the license, write to the Free Software Foundation, - 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ -#define READLINE_LIBRARY - -/* **************************************************************** */ -/* */ -/* VI Emulation Mode */ -/* */ -/* **************************************************************** */ -#include "rlconf.h" - -#if defined (VI_MODE) - -#include "config.h" - -#include - -#if defined (HAVE_STDLIB_H) -# include -#else -# include "ansi_stdlib.h" -#endif /* HAVE_STDLIB_H */ - -#if defined (HAVE_UNISTD_H) -# include -#endif - -#include - -/* 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 - -/* Non-zero means enter insertion mode. */ -static int _rl_vi_doing_insert; - -/* Command keys which do movement for xxx_to commands. */ -static const char *vi_motion = " hl^$0ftFT;,%wbeWBE|"; - -/* Keymap used for vi replace characters. Created dynamically since - rarely used. */ -static Keymap vi_replace_map; - -/* The number of characters inserted in the last replace operation. */ -static int vi_replace_count; - -/* If non-zero, we have text inserted after a c[motion] command that put - us implicitly into insert mode. Some people want this text to be - attached to the command so that it is `redoable' with `.'. */ -static int vi_continued_command; -static char *vi_insert_buffer; -static int vi_insert_buffer_size; - -static int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */ -static int _rl_vi_last_repeat = 1; -static int _rl_vi_last_arg_sign = 1; -static int _rl_vi_last_motion; -#if defined (HANDLE_MULTIBYTE) -static char _rl_vi_last_search_mbchar[MB_LEN_MAX]; -#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 *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 int rl_digit_loop1 PARAMS((void)); - -void -_rl_vi_initialize_line () -{ - register int i; - - for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++) - vi_mark_chars[i] = -1; -} - -void -_rl_vi_reset_last () -{ - _rl_vi_last_command = 'i'; - _rl_vi_last_repeat = 1; - _rl_vi_last_arg_sign = 1; - _rl_vi_last_motion = 0; -} - -void -_rl_vi_set_last (key, repeat, sign) - int key, repeat, sign; -{ - _rl_vi_last_command = key; - _rl_vi_last_repeat = repeat; - _rl_vi_last_arg_sign = sign; -} - -/* Is the command C a VI mode text modification command? */ -int -_rl_vi_textmod_command (c) - int c; -{ - return (member (c, vi_textmod)); -} - -static void -_rl_vi_stuff_insert (count) - int count; -{ - rl_begin_undo_group (); - while (count--) - rl_insert_text (vi_insert_buffer); - rl_end_undo_group (); -} - -/* Bound to `.'. Called from command mode, so we know that we have to - redo a text modification command. The default for _rl_vi_last_command - puts you back into insert mode. */ -int -rl_vi_redo (count, c) - int count, c; -{ - 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_point--; - } - 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. */ -int -rl_vi_search_again (count, key) - int count, key; -{ - switch (key) - { - case 'n': - rl_noninc_reverse_search_again (count, key); - break; - - case 'N': - rl_noninc_forward_search_again (count, key); - break; - } - return (0); -} - -/* Do a vi style search. */ -int -rl_vi_search (count, key) - int count, key; -{ - switch (key) - { - case '?': - rl_noninc_forward_search (count, key); - break; - - case '/': - rl_noninc_reverse_search (count, key); - break; - - default: - 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_set_last (key, 1, rl_arg_sign); - rl_vi_insertion_mode (1, key); - } - return (0); -} - -/* Tilde expansion for vi mode. */ -int -rl_vi_tilde_expand (ignore, key) - int ignore, key; -{ - rl_tilde_expand (0, key); - _rl_vi_set_last (key, 1, rl_arg_sign); /* XXX */ - rl_vi_insertion_mode (1, key); - return (0); -} - -/* Previous word in vi mode. */ -int -rl_vi_prev_word (count, key) - int count, key; -{ - if (count < 0) - return (rl_vi_next_word (-count, key)); - - if (rl_point == 0) - { - 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])); - - 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_insertion_mode (1, key); - return (0); -} - -int -rl_vi_append_mode (count, key) - int count, key; -{ - if (rl_point < rl_end) - { - if (MB_CUR_MAX == 1 || rl_byte_oriented) - rl_point++; - else - { - int point = rl_point; - rl_forward_char (1, key); - if (point == rl_point) - rl_point = rl_end; - } - } - rl_vi_insertion_mode (1, key); - return (0); -} - -int -rl_vi_append_eol (count, key) - int count, key; -{ - rl_end_of_line (1, key); - rl_vi_append_mode (1, key); - return (0); -} - -/* What to do in the case of C-d. */ -int -rl_vi_eof_maybe (count, c) - int count, c; -{ - return (rl_newline (1, '\n')); -} - -/* Insertion mode stuff. */ - -/* Switching from one mode to the other really just involves - switching keymaps. */ -int -rl_vi_insertion_mode (count, key) - int count, key; -{ - _rl_keymap = vi_insertion_keymap; - _rl_vi_last_key_before_insert = key; - return (0); -} - -static void -_rl_vi_save_insert (up) - UNDO_LIST *up; -{ - int len, start, end; - - if (up == 0) - { - if (vi_insert_buffer_size >= 1) - vi_insert_buffer[0] = '\0'; - return; - } - - start = up->start; - end = up->end; - len = end - start + 1; - if (len >= vi_insert_buffer_size) - { - vi_insert_buffer_size += (len + 32) - (len % 32); - vi_insert_buffer = (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 (_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; - _rl_vi_save_insert (rl_undo_list->next); - vi_continued_command = 1; - } - else - { - if (_rl_vi_last_key_before_insert == 'i' && rl_undo_list) - _rl_vi_save_insert (rl_undo_list); - /* XXX - Other keys probably need to be checked. */ - else if (_rl_vi_last_key_before_insert == 'C') - rl_end_undo_group (); - while (_rl_undo_group_level > 0) - rl_end_undo_group (); - vi_continued_command = 0; - } -} - -int -rl_vi_movement_mode (count, key) - int count, key; -{ - if (rl_point > 0) - rl_backward_char (1, key); - - _rl_keymap = vi_movement_keymap; - _rl_vi_done_inserting (); - return (0); -} - -int -rl_vi_arg_digit (count, c) - int count, c; -{ - if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg) - return (rl_beg_of_line (1, c)); - else - return (rl_digit_argument (count, c)); -} - -/* 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]; - 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) - { - mbrtowc (&wc, rl_line_buffer + rl_point, rl_end - rl_point, &ps); - 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) - { - wctomb (mb, wc); - rl_begin_undo_group (); - rl_delete (1, 0); - 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; -{ - char c = 0; - - /* Don't try this on an empty line. */ - if (rl_point >= rl_end) - return (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) - { - rl_begin_undo_group (); - rl_delete (1, c); - _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); - - rl_yank (1, key); - rl_backward_char (1, key); - return (0); -} - -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); -} - -int -rl_vi_domove (key, nextkey) - int key, *nextkey; -{ - int c, save; - int old_end; - - rl_mark = rl_point; - RL_SETSTATE(RL_STATE_MOREINPUT); - c = rl_read_key (); - RL_UNSETSTATE(RL_STATE_MOREINPUT); - *nextkey = c; - - if (!member (c, vi_motion)) - { - if (_rl_digit_p (c)) - { - save = rl_numeric_arg; - rl_numeric_arg = _rl_digit_value (c); - rl_digit_loop1 (); - rl_numeric_arg *= save; - RL_SETSTATE(RL_STATE_MOREINPUT); - c = rl_read_key (); /* real command */ - RL_UNSETSTATE(RL_STATE_MOREINPUT); - *nextkey = c; - } - else if (key == c && (key == 'd' || key == 'y' || key == 'c')) - { - rl_mark = rl_end; - rl_beg_of_line (1, c); - _rl_vi_last_motion = c; - return (0); - } - else - return (-1); - } - - _rl_vi_last_motion = c; - - /* Append a blank character temporarily so that the motion routines - work right at the end of the line. */ - old_end = rl_end; - rl_line_buffer[rl_end++] = ' '; - rl_line_buffer[rl_end] = '\0'; - - _rl_dispatch (c, _rl_keymap); - - /* Remove the blank that we added. */ - rl_end = old_end; - rl_line_buffer[rl_end] = '\0'; - if (rl_point > rl_end) - rl_point = rl_end; - - /* No change in position means the command failed. */ - if (rl_mark == rl_point) - return (-1); - - /* rl_vi_f[wW]ord () leaves the cursor on the first character of the next - word. If we are not at the end of the line, and we are on a - non-whitespace character, move back one (presumably to whitespace). */ - if ((_rl_to_upper (c) == 'W') && rl_point < rl_end && rl_point > rl_mark && - !whitespace (rl_line_buffer[rl_point])) - rl_point--; - - /* If cw or cW, back up to the end of a word, so the behaviour of ce - or cE is the actual result. Brute-force, no subtlety. */ - if (key == 'c' && rl_point >= rl_mark && (_rl_to_upper (c) == 'W')) - { - /* Don't move farther back than where we started. */ - while (rl_point > rl_mark && whitespace (rl_line_buffer[rl_point])) - rl_point--; - - /* Posix.2 says that if cw or cW moves the cursor towards the end of - the line, the character under the cursor should be deleted. */ - if (rl_point == rl_mark) - rl_point++; - else - { - /* Move past the end of the word so that the kill doesn't - remove the last letter of the previous word. Only do this - if we are not at the end of the line. */ - if (rl_point >= 0 && rl_point < (rl_end - 1) && !whitespace (rl_line_buffer[rl_point])) - rl_point++; - } - } - - if (rl_mark < rl_point) - SWAP (rl_point, rl_mark); - - return (0); -} - -/* 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 key, c; - - RL_SETSTATE(RL_STATE_NUMERICARG); - while (1) - { - if (rl_numeric_arg > 1000000) - { - rl_explicit_arg = rl_numeric_arg = 0; - rl_ding (); - rl_clear_message (); - RL_UNSETSTATE(RL_STATE_NUMERICARG); - return 1; - } - rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg); - RL_SETSTATE(RL_STATE_MOREINPUT); - key = c = rl_read_key (); - RL_UNSETSTATE(RL_STATE_MOREINPUT); - - if (c >= 0 && _rl_keymap[c].type == ISFUNC && - _rl_keymap[c].function == rl_universal_argument) - { - rl_numeric_arg *= 4; - continue; - } - - c = UNMETA (c); - if (_rl_digit_p (c)) - { - if (rl_explicit_arg) - rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c); - else - rl_numeric_arg = _rl_digit_value (c); - rl_explicit_arg = 1; - } - else - { - rl_clear_message (); - rl_stuff_char (key); - break; - } - } - - RL_UNSETSTATE(RL_STATE_NUMERICARG); - return (0); -} - -int -rl_vi_delete_to (count, key) - int count, key; -{ - int c; - - if (_rl_uppercase_p (key)) - rl_stuff_char ('$'); - else if (vi_redoing) - rl_stuff_char (_rl_vi_last_motion); - - if (rl_vi_domove (key, &c)) - { - rl_ding (); - return -1; - } - - /* These are the motion commands that do not require adjusting the - mark. */ - if ((strchr (" l|h^0bB", c) == 0) && (rl_mark < rl_end)) - rl_mark++; - - rl_kill_text (rl_point, rl_mark); - return (0); -} - -int -rl_vi_change_to (count, key) - int count, key; -{ - int c, start_pos; - - if (_rl_uppercase_p (key)) - rl_stuff_char ('$'); - else if (vi_redoing) - rl_stuff_char (_rl_vi_last_motion); - - start_pos = rl_point; - - if (rl_vi_domove (key, &c)) - { - rl_ding (); - return -1; - } - - /* These are the motion commands that do not require adjusting the - mark. c[wW] are handled by special-case code in rl_vi_domove(), - and already leave the mark at the correct location. */ - if ((strchr (" l|hwW^0bB", c) == 0) && (rl_mark < rl_end)) - rl_mark++; - - /* The cursor never moves with c[wW]. */ - if ((_rl_to_upper (c) == 'W') && rl_point < start_pos) - rl_point = start_pos; - - if (vi_redoing) - { - if (vi_insert_buffer && *vi_insert_buffer) - rl_begin_undo_group (); - rl_delete_text (rl_point, rl_mark); - if (vi_insert_buffer && *vi_insert_buffer) - { - rl_insert_text (vi_insert_buffer); - rl_end_undo_group (); - } - } - else - { - rl_begin_undo_group (); /* to make the `u' command work */ - rl_kill_text (rl_point, rl_mark); - /* `C' does not save the text inserted for undoing or redoing. */ - if (_rl_uppercase_p (key) == 0) - _rl_vi_doing_insert = 1; - _rl_vi_set_last (key, count, rl_arg_sign); - rl_vi_insertion_mode (1, key); - } - - return (0); -} - -int -rl_vi_yank_to (count, key) - int count, key; -{ - int c, save = rl_point; - - if (_rl_uppercase_p (key)) - rl_stuff_char ('$'); - - if (rl_vi_domove (key, &c)) - { - rl_ding (); - return -1; - } - - /* These are the motion commands that do not require adjusting the - mark. */ - if ((strchr (" l|h^0%bB", c) == 0) && (rl_mark < rl_end)) - rl_mark++; - - rl_begin_undo_group (); - rl_kill_text (rl_point, rl_mark); - rl_end_undo_group (); - rl_do_undo (); - rl_point = save; - - return (0); -} - -int -rl_vi_delete (count, key) - int count, key; -{ - int end; - - if (rl_end == 0) - { - 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); -} - -int -rl_vi_back_to_indent (count, key) - int count, key; -{ - rl_beg_of_line (1, key); - while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) - rl_point++; - return (0); -} - -int -rl_vi_first_print (count, key) - int count, key; -{ - return (rl_vi_back_to_indent (1, key)); -} - -int -rl_vi_char_search (count, key) - int count, key; -{ -#if defined (HANDLE_MULTIBYTE) - static char *target; - static int mb_len; -#else - static char target; -#endif - static int orig_dir, dir; - - if (key == ';' || key == ',') - dir = key == ';' ? orig_dir : -orig_dir; - else - { - if (vi_redoing) -#if defined (HANDLE_MULTIBYTE) - target = _rl_vi_last_search_mbchar; -#else - target = _rl_vi_last_search_char; -#endif - else - { -#if defined (HANDLE_MULTIBYTE) - mb_len = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX); - target = _rl_vi_last_search_mbchar; -#else - RL_SETSTATE(RL_STATE_MOREINPUT); - _rl_vi_last_search_char = target = rl_read_key (); - RL_UNSETSTATE(RL_STATE_MOREINPUT); -#endif - } - - switch (key) - { - case 't': - orig_dir = dir = FTO; - break; - - case 'T': - orig_dir = dir = BTO; - break; - - case 'f': - orig_dir = dir = FFIND; - break; - - case 'F': - orig_dir = dir = BFIND; - break; - } - } - -#if defined (HANDLE_MULTIBYTE) - return (_rl_char_search_internal (count, dir, target, mb_len)); -#else - return (_rl_char_search_internal (count, 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; - } -} - -/* XXX - think about reading an entire mbchar with _rl_read_mbchar and - inserting it in one bunch instead of the loop below (like in - rl_vi_char_search or _rl_vi_change_mbchar_case. Set c to mbchar[0] - for test against 033 or ^C. Make sure that _rl_read_mbchar does - this right. */ -int -rl_vi_change_char (count, key) - int count, key; -{ - int c; - - if (vi_redoing) - c = _rl_vi_last_replacement; - else - { - RL_SETSTATE(RL_STATE_MOREINPUT); - _rl_vi_last_replacement = c = rl_read_key (); - RL_UNSETSTATE(RL_STATE_MOREINPUT); - } - - if (c == '\033' || c == CTRL ('C')) - return -1; - - while (count-- && rl_point < rl_end) - { - rl_begin_undo_group (); - - rl_delete (1, c); -#if defined (HANDLE_MULTIBYTE) - if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) - while (_rl_insert_char (1, c)) - { - RL_SETSTATE (RL_STATE_MOREINPUT); - c = rl_read_key (); - RL_UNSETSTATE (RL_STATE_MOREINPUT); - } - else -#endif - _rl_insert_char (1, c); - if (count == 0) - rl_backward_char (1, c); - - rl_end_undo_group (); - } - return (0); -} - -int -rl_vi_subst (count, key) - int count, key; -{ - /* If we are redoing, rl_vi_change_to will stuff the last motion char */ - if (vi_redoing == 0) - rl_stuff_char ((key == 'S') ? 'c' : ' '); /* `S' == `cc', `s' == `c ' */ - - 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) - { - vi_replace_map = rl_make_bare_keymap (); - - for (i = ' '; i < KEYMAP_SIZE; i++) - vi_replace_map[i].function = rl_vi_overstrike; - - vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete; - vi_replace_map[ESC].function = rl_vi_movement_mode; - vi_replace_map[RETURN].function = rl_newline; - vi_replace_map[NEWLINE].function = rl_newline; - - /* If the normal vi insertion keymap has ^H bound to erase, do the - same here. Probably should remove the assignment to RUBOUT up - there, but I don't think it will make a difference in real life. */ - if (vi_insertion_keymap[CTRL ('H')].type == ISFUNC && - vi_insertion_keymap[CTRL ('H')].function == rl_rubout) - vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete; - - } - _rl_keymap = vi_replace_map; - return (0); -} - -#if 0 -/* Try to complete the word we are standing on or the word that ends with - the previous character. A space matches everything. Word delimiters are - space and ;. */ -int -rl_vi_possible_completions() -{ - int save_pos = rl_point; - - if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';') - { - while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' && - rl_line_buffer[rl_point] != ';') - rl_point++; - } - else if (rl_line_buffer[rl_point - 1] == ';') - { - rl_ding (); - return (0); - } - - rl_possible_completions (); - rl_point = save_pos; - - return (0); -} -#endif - -/* Functions to save and restore marks. */ -int -rl_vi_set_mark (count, key) - int count, key; -{ - int ch; - - RL_SETSTATE(RL_STATE_MOREINPUT); - ch = rl_read_key (); - RL_UNSETSTATE(RL_STATE_MOREINPUT); - - if (ch < 'a' || ch > 'z') - { - rl_ding (); - return -1; - } - ch -= 'a'; - vi_mark_chars[ch] = rl_point; - return 0; -} - -int -rl_vi_goto_mark (count, key) - int count, key; -{ - int ch; - - 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 < 'a' || ch > 'z') - { - rl_ding (); - return -1; - } - - ch -= 'a'; - if (vi_mark_chars[ch] == -1) - { - rl_ding (); - return -1; - } - rl_point = vi_mark_chars[ch]; - return 0; -} - -#endif /* VI_MODE */ +/* vi_mode.c -- A vi emulation mode for Bash. + Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */ + +/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc. + + This file is part of the GNU Readline Library, a library for + reading lines of text with interactive input and history editing. + + The GNU Readline Library is free software; you can redistribute it + and/or modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2, or + (at your option) any later version. + + The GNU Readline Library is distributed in the hope that it will be + useful, but WITHOUT ANY WARRANTY; without even the implied warranty + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + The GNU General Public License is often shipped with GNU software, and + is generally kept in a file called COPYING or LICENSE. If you do not + have a copy of the license, write to the Free Software Foundation, + 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ +#define READLINE_LIBRARY + +/* **************************************************************** */ +/* */ +/* VI Emulation Mode */ +/* */ +/* **************************************************************** */ +#include "rlconf.h" + +#if defined (VI_MODE) + +#include "config.h" + +#include + +#if defined (HAVE_STDLIB_H) +# include +#else +# include "ansi_stdlib.h" +#endif /* HAVE_STDLIB_H */ + +#if defined (HAVE_UNISTD_H) +# include +#endif + +#include + +/* 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 + +/* Non-zero means enter insertion mode. */ +static int _rl_vi_doing_insert; + +/* Command keys which do movement for xxx_to commands. */ +static const char *vi_motion = " hl^$0ftFT;,%wbeWBE|"; + +/* Keymap used for vi replace characters. Created dynamically since + rarely used. */ +static Keymap vi_replace_map; + +/* The number of characters inserted in the last replace operation. */ +static int vi_replace_count; + +/* If non-zero, we have text inserted after a c[motion] command that put + us implicitly into insert mode. Some people want this text to be + attached to the command so that it is `redoable' with `.'. */ +static int vi_continued_command; +static char *vi_insert_buffer; +static int vi_insert_buffer_size; + +static int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */ +static int _rl_vi_last_repeat = 1; +static int _rl_vi_last_arg_sign = 1; +static int _rl_vi_last_motion; +#if defined (HANDLE_MULTIBYTE) +static char _rl_vi_last_search_mbchar[MB_LEN_MAX]; +#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 *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 int rl_digit_loop1 PARAMS((void)); + +void +_rl_vi_initialize_line () +{ + register int i; + + for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++) + vi_mark_chars[i] = -1; +} + +void +_rl_vi_reset_last () +{ + _rl_vi_last_command = 'i'; + _rl_vi_last_repeat = 1; + _rl_vi_last_arg_sign = 1; + _rl_vi_last_motion = 0; +} + +void +_rl_vi_set_last (key, repeat, sign) + int key, repeat, sign; +{ + _rl_vi_last_command = key; + _rl_vi_last_repeat = repeat; + _rl_vi_last_arg_sign = sign; +} + +/* Is the command C a VI mode text modification command? */ +int +_rl_vi_textmod_command (c) + int c; +{ + return (member (c, vi_textmod)); +} + +static void +_rl_vi_stuff_insert (count) + int count; +{ + rl_begin_undo_group (); + while (count--) + rl_insert_text (vi_insert_buffer); + rl_end_undo_group (); +} + +/* Bound to `.'. Called from command mode, so we know that we have to + redo a text modification command. The default for _rl_vi_last_command + puts you back into insert mode. */ +int +rl_vi_redo (count, c) + int count, c; +{ + 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_point--; + } + 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. */ +int +rl_vi_search_again (count, key) + int count, key; +{ + switch (key) + { + case 'n': + rl_noninc_reverse_search_again (count, key); + break; + + case 'N': + rl_noninc_forward_search_again (count, key); + break; + } + return (0); +} + +/* Do a vi style search. */ +int +rl_vi_search (count, key) + int count, key; +{ + switch (key) + { + case '?': + rl_noninc_forward_search (count, key); + break; + + case '/': + rl_noninc_reverse_search (count, key); + break; + + default: + 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_set_last (key, 1, rl_arg_sign); + rl_vi_insertion_mode (1, key); + } + return (0); +} + +/* Tilde expansion for vi mode. */ +int +rl_vi_tilde_expand (ignore, key) + int ignore, key; +{ + rl_tilde_expand (0, key); + _rl_vi_set_last (key, 1, rl_arg_sign); /* XXX */ + rl_vi_insertion_mode (1, key); + return (0); +} + +/* Previous word in vi mode. */ +int +rl_vi_prev_word (count, key) + int count, key; +{ + if (count < 0) + return (rl_vi_next_word (-count, key)); + + if (rl_point == 0) + { + 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])); + + 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_insertion_mode (1, key); + return (0); +} + +int +rl_vi_append_mode (count, key) + int count, key; +{ + if (rl_point < rl_end) + { + if (MB_CUR_MAX == 1 || rl_byte_oriented) + rl_point++; + else + { + int point = rl_point; + rl_forward_char (1, key); + if (point == rl_point) + rl_point = rl_end; + } + } + rl_vi_insertion_mode (1, key); + return (0); +} + +int +rl_vi_append_eol (count, key) + int count, key; +{ + rl_end_of_line (1, key); + rl_vi_append_mode (1, key); + return (0); +} + +/* What to do in the case of C-d. */ +int +rl_vi_eof_maybe (count, c) + int count, c; +{ + return (rl_newline (1, '\n')); +} + +/* Insertion mode stuff. */ + +/* Switching from one mode to the other really just involves + switching keymaps. */ +int +rl_vi_insertion_mode (count, key) + int count, key; +{ + _rl_keymap = vi_insertion_keymap; + _rl_vi_last_key_before_insert = key; + return (0); +} + +static void +_rl_vi_save_insert (up) + UNDO_LIST *up; +{ + int len, start, end; + + if (up == 0) + { + if (vi_insert_buffer_size >= 1) + vi_insert_buffer[0] = '\0'; + return; + } + + start = up->start; + end = up->end; + len = end - start + 1; + if (len >= vi_insert_buffer_size) + { + vi_insert_buffer_size += (len + 32) - (len % 32); + vi_insert_buffer = (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 (_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; + _rl_vi_save_insert (rl_undo_list->next); + vi_continued_command = 1; + } + else + { + if (_rl_vi_last_key_before_insert == 'i' && rl_undo_list) + _rl_vi_save_insert (rl_undo_list); + /* XXX - Other keys probably need to be checked. */ + else if (_rl_vi_last_key_before_insert == 'C') + rl_end_undo_group (); + while (_rl_undo_group_level > 0) + rl_end_undo_group (); + vi_continued_command = 0; + } +} + +int +rl_vi_movement_mode (count, key) + int count, key; +{ + if (rl_point > 0) + rl_backward_char (1, key); + + _rl_keymap = vi_movement_keymap; + _rl_vi_done_inserting (); + return (0); +} + +int +rl_vi_arg_digit (count, c) + int count, c; +{ + if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg) + return (rl_beg_of_line (1, c)); + else + return (rl_digit_argument (count, c)); +} + +/* 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]; + 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) + { + mbrtowc (&wc, rl_line_buffer + rl_point, rl_end - rl_point, &ps); + 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) + { + wctomb (mb, wc); + rl_begin_undo_group (); + rl_delete (1, 0); + 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; +{ + char c = 0; + + /* Don't try this on an empty line. */ + if (rl_point >= rl_end) + return (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) + { + rl_begin_undo_group (); + rl_delete (1, c); + _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); + + rl_yank (1, key); + rl_backward_char (1, key); + return (0); +} + +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); +} + +int +rl_vi_domove (key, nextkey) + int key, *nextkey; +{ + int c, save; + int old_end; + + rl_mark = rl_point; + RL_SETSTATE(RL_STATE_MOREINPUT); + c = rl_read_key (); + RL_UNSETSTATE(RL_STATE_MOREINPUT); + *nextkey = c; + + if (!member (c, vi_motion)) + { + if (_rl_digit_p (c)) + { + save = rl_numeric_arg; + rl_numeric_arg = _rl_digit_value (c); + rl_digit_loop1 (); + rl_numeric_arg *= save; + RL_SETSTATE(RL_STATE_MOREINPUT); + c = rl_read_key (); /* real command */ + RL_UNSETSTATE(RL_STATE_MOREINPUT); + *nextkey = c; + } + else if (key == c && (key == 'd' || key == 'y' || key == 'c')) + { + rl_mark = rl_end; + rl_beg_of_line (1, c); + _rl_vi_last_motion = c; + return (0); + } + else + return (-1); + } + + _rl_vi_last_motion = c; + + /* Append a blank character temporarily so that the motion routines + work right at the end of the line. */ + old_end = rl_end; + rl_line_buffer[rl_end++] = ' '; + rl_line_buffer[rl_end] = '\0'; + + _rl_dispatch (c, _rl_keymap); + + /* Remove the blank that we added. */ + rl_end = old_end; + rl_line_buffer[rl_end] = '\0'; + if (rl_point > rl_end) + rl_point = rl_end; + + /* No change in position means the command failed. */ + if (rl_mark == rl_point) + return (-1); + + /* rl_vi_f[wW]ord () leaves the cursor on the first character of the next + word. If we are not at the end of the line, and we are on a + non-whitespace character, move back one (presumably to whitespace). */ + if ((_rl_to_upper (c) == 'W') && rl_point < rl_end && rl_point > rl_mark && + !whitespace (rl_line_buffer[rl_point])) + rl_point--; + + /* If cw or cW, back up to the end of a word, so the behaviour of ce + or cE is the actual result. Brute-force, no subtlety. */ + if (key == 'c' && rl_point >= rl_mark && (_rl_to_upper (c) == 'W')) + { + /* Don't move farther back than where we started. */ + while (rl_point > rl_mark && whitespace (rl_line_buffer[rl_point])) + rl_point--; + + /* Posix.2 says that if cw or cW moves the cursor towards the end of + the line, the character under the cursor should be deleted. */ + if (rl_point == rl_mark) + rl_point++; + else + { + /* Move past the end of the word so that the kill doesn't + remove the last letter of the previous word. Only do this + if we are not at the end of the line. */ + if (rl_point >= 0 && rl_point < (rl_end - 1) && !whitespace (rl_line_buffer[rl_point])) + rl_point++; + } + } + + if (rl_mark < rl_point) + SWAP (rl_point, rl_mark); + + return (0); +} + +/* 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 key, c; + + RL_SETSTATE(RL_STATE_NUMERICARG); + while (1) + { + if (rl_numeric_arg > 1000000) + { + rl_explicit_arg = rl_numeric_arg = 0; + rl_ding (); + rl_clear_message (); + RL_UNSETSTATE(RL_STATE_NUMERICARG); + return 1; + } + rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg); + RL_SETSTATE(RL_STATE_MOREINPUT); + key = c = rl_read_key (); + RL_UNSETSTATE(RL_STATE_MOREINPUT); + + if (c >= 0 && _rl_keymap[c].type == ISFUNC && + _rl_keymap[c].function == rl_universal_argument) + { + rl_numeric_arg *= 4; + continue; + } + + c = UNMETA (c); + if (_rl_digit_p (c)) + { + if (rl_explicit_arg) + rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c); + else + rl_numeric_arg = _rl_digit_value (c); + rl_explicit_arg = 1; + } + else + { + rl_clear_message (); + rl_stuff_char (key); + break; + } + } + + RL_UNSETSTATE(RL_STATE_NUMERICARG); + return (0); +} + +int +rl_vi_delete_to (count, key) + int count, key; +{ + int c; + + if (_rl_uppercase_p (key)) + rl_stuff_char ('$'); + else if (vi_redoing) + rl_stuff_char (_rl_vi_last_motion); + + if (rl_vi_domove (key, &c)) + { + rl_ding (); + return -1; + } + + /* These are the motion commands that do not require adjusting the + mark. */ + if ((strchr (" l|h^0bB", c) == 0) && (rl_mark < rl_end)) + rl_mark++; + + rl_kill_text (rl_point, rl_mark); + return (0); +} + +int +rl_vi_change_to (count, key) + int count, key; +{ + int c, start_pos; + + if (_rl_uppercase_p (key)) + rl_stuff_char ('$'); + else if (vi_redoing) + rl_stuff_char (_rl_vi_last_motion); + + start_pos = rl_point; + + if (rl_vi_domove (key, &c)) + { + rl_ding (); + return -1; + } + + /* These are the motion commands that do not require adjusting the + mark. c[wW] are handled by special-case code in rl_vi_domove(), + and already leave the mark at the correct location. */ + if ((strchr (" l|hwW^0bB", c) == 0) && (rl_mark < rl_end)) + rl_mark++; + + /* The cursor never moves with c[wW]. */ + if ((_rl_to_upper (c) == 'W') && rl_point < start_pos) + rl_point = start_pos; + + if (vi_redoing) + { + if (vi_insert_buffer && *vi_insert_buffer) + rl_begin_undo_group (); + rl_delete_text (rl_point, rl_mark); + if (vi_insert_buffer && *vi_insert_buffer) + { + rl_insert_text (vi_insert_buffer); + rl_end_undo_group (); + } + } + else + { + rl_begin_undo_group (); /* to make the `u' command work */ + rl_kill_text (rl_point, rl_mark); + /* `C' does not save the text inserted for undoing or redoing. */ + if (_rl_uppercase_p (key) == 0) + _rl_vi_doing_insert = 1; + _rl_vi_set_last (key, count, rl_arg_sign); + rl_vi_insertion_mode (1, key); + } + + return (0); +} + +int +rl_vi_yank_to (count, key) + int count, key; +{ + int c, save = rl_point; + + if (_rl_uppercase_p (key)) + rl_stuff_char ('$'); + + if (rl_vi_domove (key, &c)) + { + rl_ding (); + return -1; + } + + /* These are the motion commands that do not require adjusting the + mark. */ + if ((strchr (" l|h^0%bB", c) == 0) && (rl_mark < rl_end)) + rl_mark++; + + rl_begin_undo_group (); + rl_kill_text (rl_point, rl_mark); + rl_end_undo_group (); + rl_do_undo (); + rl_point = save; + + return (0); +} + +int +rl_vi_delete (count, key) + int count, key; +{ + int end; + + if (rl_end == 0) + { + 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); +} + +int +rl_vi_back_to_indent (count, key) + int count, key; +{ + rl_beg_of_line (1, key); + while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) + rl_point++; + return (0); +} + +int +rl_vi_first_print (count, key) + int count, key; +{ + return (rl_vi_back_to_indent (1, key)); +} + +int +rl_vi_char_search (count, key) + int count, key; +{ +#if defined (HANDLE_MULTIBYTE) + static char *target; + static int mb_len; +#else + static char target; +#endif + static int orig_dir, dir; + + if (key == ';' || key == ',') + dir = key == ';' ? orig_dir : -orig_dir; + else + { + if (vi_redoing) +#if defined (HANDLE_MULTIBYTE) + target = _rl_vi_last_search_mbchar; +#else + target = _rl_vi_last_search_char; +#endif + else + { +#if defined (HANDLE_MULTIBYTE) + mb_len = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX); + target = _rl_vi_last_search_mbchar; +#else + RL_SETSTATE(RL_STATE_MOREINPUT); + _rl_vi_last_search_char = target = rl_read_key (); + RL_UNSETSTATE(RL_STATE_MOREINPUT); +#endif + } + + switch (key) + { + case 't': + orig_dir = dir = FTO; + break; + + case 'T': + orig_dir = dir = BTO; + break; + + case 'f': + orig_dir = dir = FFIND; + break; + + case 'F': + orig_dir = dir = BFIND; + break; + } + } + +#if defined (HANDLE_MULTIBYTE) + return (_rl_char_search_internal (count, dir, target, mb_len)); +#else + return (_rl_char_search_internal (count, 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; + } +} + +/* XXX - think about reading an entire mbchar with _rl_read_mbchar and + inserting it in one bunch instead of the loop below (like in + rl_vi_char_search or _rl_vi_change_mbchar_case. Set c to mbchar[0] + for test against 033 or ^C. Make sure that _rl_read_mbchar does + this right. */ +int +rl_vi_change_char (count, key) + int count, key; +{ + int c; + + if (vi_redoing) + c = _rl_vi_last_replacement; + else + { + RL_SETSTATE(RL_STATE_MOREINPUT); + _rl_vi_last_replacement = c = rl_read_key (); + RL_UNSETSTATE(RL_STATE_MOREINPUT); + } + + if (c == '\033' || c == CTRL ('C')) + return -1; + + while (count-- && rl_point < rl_end) + { + rl_begin_undo_group (); + + rl_delete (1, c); +#if defined (HANDLE_MULTIBYTE) + if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) + while (_rl_insert_char (1, c)) + { + RL_SETSTATE (RL_STATE_MOREINPUT); + c = rl_read_key (); + RL_UNSETSTATE (RL_STATE_MOREINPUT); + } + else +#endif + _rl_insert_char (1, c); + if (count == 0) + rl_backward_char (1, c); + + rl_end_undo_group (); + } + return (0); +} + +int +rl_vi_subst (count, key) + int count, key; +{ + /* If we are redoing, rl_vi_change_to will stuff the last motion char */ + if (vi_redoing == 0) + rl_stuff_char ((key == 'S') ? 'c' : ' '); /* `S' == `cc', `s' == `c ' */ + + 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) + { + vi_replace_map = rl_make_bare_keymap (); + + for (i = ' '; i < KEYMAP_SIZE; i++) + vi_replace_map[i].function = rl_vi_overstrike; + + vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete; + vi_replace_map[ESC].function = rl_vi_movement_mode; + vi_replace_map[RETURN].function = rl_newline; + vi_replace_map[NEWLINE].function = rl_newline; + + /* If the normal vi insertion keymap has ^H bound to erase, do the + same here. Probably should remove the assignment to RUBOUT up + there, but I don't think it will make a difference in real life. */ + if (vi_insertion_keymap[CTRL ('H')].type == ISFUNC && + vi_insertion_keymap[CTRL ('H')].function == rl_rubout) + vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete; + + } + _rl_keymap = vi_replace_map; + return (0); +} + +#if 0 +/* Try to complete the word we are standing on or the word that ends with + the previous character. A space matches everything. Word delimiters are + space and ;. */ +int +rl_vi_possible_completions() +{ + int save_pos = rl_point; + + if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';') + { + while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' && + rl_line_buffer[rl_point] != ';') + rl_point++; + } + else if (rl_line_buffer[rl_point - 1] == ';') + { + rl_ding (); + return (0); + } + + rl_possible_completions (); + rl_point = save_pos; + + return (0); +} +#endif + +/* Functions to save and restore marks. */ +int +rl_vi_set_mark (count, key) + int count, key; +{ + int ch; + + RL_SETSTATE(RL_STATE_MOREINPUT); + ch = rl_read_key (); + RL_UNSETSTATE(RL_STATE_MOREINPUT); + + if (ch < 'a' || ch > 'z') + { + rl_ding (); + return -1; + } + ch -= 'a'; + vi_mark_chars[ch] = rl_point; + return 0; +} + +int +rl_vi_goto_mark (count, key) + int count, key; +{ + int ch; + + 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 < 'a' || ch > 'z') + { + rl_ding (); + return -1; + } + + ch -= 'a'; + if (vi_mark_chars[ch] == -1) + { + rl_ding (); + return -1; + } + rl_point = vi_mark_chars[ch]; + return 0; +} + +#endif /* VI_MODE */ -- cgit v1.2.3