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-rw-r--r--lib/libedit/vi.c1158
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diff --git a/lib/libedit/vi.c b/lib/libedit/vi.c
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--- a/lib/libedit/vi.c
+++ /dev/null
@@ -1,1158 +0,0 @@
-/* $NetBSD: vi.c,v 1.55 2016/03/02 19:24:20 christos Exp $ */
-
-/*-
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Christos Zoulas of Cornell University.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "config.h"
-#if !defined(lint) && !defined(SCCSID)
-#if 0
-static char sccsid[] = "@(#)vi.c 8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: vi.c,v 1.55 2016/03/02 19:24:20 christos Exp $");
-#endif
-#endif /* not lint && not SCCSID */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * vi.c: Vi mode commands.
- */
-#include <sys/wait.h>
-#include <ctype.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "el.h"
-#include "common.h"
-#include "emacs.h"
-#include "vi.h"
-
-private el_action_t cv_action(EditLine *, wint_t);
-private el_action_t cv_paste(EditLine *, wint_t);
-
-/* cv_action():
- * Handle vi actions.
- */
-private el_action_t
-cv_action(EditLine *el, wint_t c)
-{
-
- if (el->el_chared.c_vcmd.action != NOP) {
- /* 'cc', 'dd' and (possibly) friends */
- if (c != (wint_t)el->el_chared.c_vcmd.action)
- return CC_ERROR;
-
- if (!(c & YANK))
- cv_undo(el);
- cv_yank(el, el->el_line.buffer,
- (int)(el->el_line.lastchar - el->el_line.buffer));
- el->el_chared.c_vcmd.action = NOP;
- el->el_chared.c_vcmd.pos = 0;
- if (!(c & YANK)) {
- el->el_line.lastchar = el->el_line.buffer;
- el->el_line.cursor = el->el_line.buffer;
- }
- if (c & INSERT)
- el->el_map.current = el->el_map.key;
-
- return CC_REFRESH;
- }
- el->el_chared.c_vcmd.pos = el->el_line.cursor;
- el->el_chared.c_vcmd.action = c;
- return CC_ARGHACK;
-}
-
-/* cv_paste():
- * Paste previous deletion before or after the cursor
- */
-private el_action_t
-cv_paste(EditLine *el, wint_t c)
-{
- c_kill_t *k = &el->el_chared.c_kill;
- size_t len = (size_t)(k->last - k->buf);
-
- if (k->buf == NULL || len == 0)
- return CC_ERROR;
-#ifdef DEBUG_PASTE
- (void) fprintf(el->el_errfile, "Paste: \"" FSTARSTR "\"\n", (int)len,
- k->buf);
-#endif
-
- cv_undo(el);
-
- if (!c && el->el_line.cursor < el->el_line.lastchar)
- el->el_line.cursor++;
-
- c_insert(el, (int)len);
- if (el->el_line.cursor + len > el->el_line.lastchar)
- return CC_ERROR;
- (void) memcpy(el->el_line.cursor, k->buf, len *
- sizeof(*el->el_line.cursor));
-
- return CC_REFRESH;
-}
-
-
-/* vi_paste_next():
- * Vi paste previous deletion to the right of the cursor
- * [p]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_paste_next(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- return cv_paste(el, 0);
-}
-
-
-/* vi_paste_prev():
- * Vi paste previous deletion to the left of the cursor
- * [P]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_paste_prev(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- return cv_paste(el, 1);
-}
-
-
-/* vi_prev_big_word():
- * Vi move to the previous space delimited word
- * [B]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_prev_big_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_line.cursor == el->el_line.buffer)
- return CC_ERROR;
-
- el->el_line.cursor = cv_prev_word(el->el_line.cursor,
- el->el_line.buffer,
- el->el_state.argument,
- cv__isWord);
-
- if (el->el_chared.c_vcmd.action != NOP) {
- cv_delfini(el);
- return CC_REFRESH;
- }
- return CC_CURSOR;
-}
-
-
-/* vi_prev_word():
- * Vi move to the previous word
- * [b]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_prev_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_line.cursor == el->el_line.buffer)
- return CC_ERROR;
-
- el->el_line.cursor = cv_prev_word(el->el_line.cursor,
- el->el_line.buffer,
- el->el_state.argument,
- cv__isword);
-
- if (el->el_chared.c_vcmd.action != NOP) {
- cv_delfini(el);
- return CC_REFRESH;
- }
- return CC_CURSOR;
-}
-
-
-/* vi_next_big_word():
- * Vi move to the next space delimited word
- * [W]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_next_big_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_line.cursor >= el->el_line.lastchar - 1)
- return CC_ERROR;
-
- el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
- el->el_line.lastchar, el->el_state.argument, cv__isWord);
-
- if (el->el_map.type == MAP_VI)
- if (el->el_chared.c_vcmd.action != NOP) {
- cv_delfini(el);
- return CC_REFRESH;
- }
- return CC_CURSOR;
-}
-
-
-/* vi_next_word():
- * Vi move to the next word
- * [w]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_next_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_line.cursor >= el->el_line.lastchar - 1)
- return CC_ERROR;
-
- el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
- el->el_line.lastchar, el->el_state.argument, cv__isword);
-
- if (el->el_map.type == MAP_VI)
- if (el->el_chared.c_vcmd.action != NOP) {
- cv_delfini(el);
- return CC_REFRESH;
- }
- return CC_CURSOR;
-}
-
-
-/* vi_change_case():
- * Vi change case of character under the cursor and advance one character
- * [~]
- */
-protected el_action_t
-vi_change_case(EditLine *el, wint_t c)
-{
- int i;
-
- if (el->el_line.cursor >= el->el_line.lastchar)
- return CC_ERROR;
- cv_undo(el);
- for (i = 0; i < el->el_state.argument; i++) {
-
- c = *el->el_line.cursor;
- if (Isupper(c))
- *el->el_line.cursor = Tolower(c);
- else if (Islower(c))
- *el->el_line.cursor = Toupper(c);
-
- if (++el->el_line.cursor >= el->el_line.lastchar) {
- el->el_line.cursor--;
- re_fastaddc(el);
- break;
- }
- re_fastaddc(el);
- }
- return CC_NORM;
-}
-
-
-/* vi_change_meta():
- * Vi change prefix command
- * [c]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_change_meta(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- /*
- * Delete with insert == change: first we delete and then we leave in
- * insert mode.
- */
- return cv_action(el, DELETE | INSERT);
-}
-
-
-/* vi_insert_at_bol():
- * Vi enter insert mode at the beginning of line
- * [I]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_insert_at_bol(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- el->el_line.cursor = el->el_line.buffer;
- cv_undo(el);
- el->el_map.current = el->el_map.key;
- return CC_CURSOR;
-}
-
-
-/* vi_replace_char():
- * Vi replace character under the cursor with the next character typed
- * [r]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_replace_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_line.cursor >= el->el_line.lastchar)
- return CC_ERROR;
-
- el->el_map.current = el->el_map.key;
- el->el_state.inputmode = MODE_REPLACE_1;
- cv_undo(el);
- return CC_ARGHACK;
-}
-
-
-/* vi_replace_mode():
- * Vi enter replace mode
- * [R]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_replace_mode(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- el->el_map.current = el->el_map.key;
- el->el_state.inputmode = MODE_REPLACE;
- cv_undo(el);
- return CC_NORM;
-}
-
-
-/* vi_substitute_char():
- * Vi replace character under the cursor and enter insert mode
- * [s]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_substitute_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- c_delafter(el, el->el_state.argument);
- el->el_map.current = el->el_map.key;
- return CC_REFRESH;
-}
-
-
-/* vi_substitute_line():
- * Vi substitute entire line
- * [S]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_substitute_line(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- cv_undo(el);
- cv_yank(el, el->el_line.buffer,
- (int)(el->el_line.lastchar - el->el_line.buffer));
- (void) em_kill_line(el, 0);
- el->el_map.current = el->el_map.key;
- return CC_REFRESH;
-}
-
-
-/* vi_change_to_eol():
- * Vi change to end of line
- * [C]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_change_to_eol(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- cv_undo(el);
- cv_yank(el, el->el_line.cursor,
- (int)(el->el_line.lastchar - el->el_line.cursor));
- (void) ed_kill_line(el, 0);
- el->el_map.current = el->el_map.key;
- return CC_REFRESH;
-}
-
-
-/* vi_insert():
- * Vi enter insert mode
- * [i]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_insert(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- el->el_map.current = el->el_map.key;
- cv_undo(el);
- return CC_NORM;
-}
-
-
-/* vi_add():
- * Vi enter insert mode after the cursor
- * [a]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_add(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- int ret;
-
- el->el_map.current = el->el_map.key;
- if (el->el_line.cursor < el->el_line.lastchar) {
- el->el_line.cursor++;
- if (el->el_line.cursor > el->el_line.lastchar)
- el->el_line.cursor = el->el_line.lastchar;
- ret = CC_CURSOR;
- } else
- ret = CC_NORM;
-
- cv_undo(el);
-
- return (el_action_t)ret;
-}
-
-
-/* vi_add_at_eol():
- * Vi enter insert mode at end of line
- * [A]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_add_at_eol(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- el->el_map.current = el->el_map.key;
- el->el_line.cursor = el->el_line.lastchar;
- cv_undo(el);
- return CC_CURSOR;
-}
-
-
-/* vi_delete_meta():
- * Vi delete prefix command
- * [d]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_delete_meta(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- return cv_action(el, DELETE);
-}
-
-
-/* vi_end_big_word():
- * Vi move to the end of the current space delimited word
- * [E]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_end_big_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_line.cursor == el->el_line.lastchar)
- return CC_ERROR;
-
- el->el_line.cursor = cv__endword(el->el_line.cursor,
- el->el_line.lastchar, el->el_state.argument, cv__isWord);
-
- if (el->el_chared.c_vcmd.action != NOP) {
- el->el_line.cursor++;
- cv_delfini(el);
- return CC_REFRESH;
- }
- return CC_CURSOR;
-}
-
-
-/* vi_end_word():
- * Vi move to the end of the current word
- * [e]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_end_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_line.cursor == el->el_line.lastchar)
- return CC_ERROR;
-
- el->el_line.cursor = cv__endword(el->el_line.cursor,
- el->el_line.lastchar, el->el_state.argument, cv__isword);
-
- if (el->el_chared.c_vcmd.action != NOP) {
- el->el_line.cursor++;
- cv_delfini(el);
- return CC_REFRESH;
- }
- return CC_CURSOR;
-}
-
-
-/* vi_undo():
- * Vi undo last change
- * [u]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_undo(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- c_undo_t un = el->el_chared.c_undo;
-
- if (un.len == -1)
- return CC_ERROR;
-
- /* switch line buffer and undo buffer */
- el->el_chared.c_undo.buf = el->el_line.buffer;
- el->el_chared.c_undo.len = el->el_line.lastchar - el->el_line.buffer;
- el->el_chared.c_undo.cursor =
- (int)(el->el_line.cursor - el->el_line.buffer);
- el->el_line.limit = un.buf + (el->el_line.limit - el->el_line.buffer);
- el->el_line.buffer = un.buf;
- el->el_line.cursor = un.buf + un.cursor;
- el->el_line.lastchar = un.buf + un.len;
-
- return CC_REFRESH;
-}
-
-
-/* vi_command_mode():
- * Vi enter command mode (use alternative key bindings)
- * [<ESC>]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_command_mode(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- /* [Esc] cancels pending action */
- el->el_chared.c_vcmd.action = NOP;
- el->el_chared.c_vcmd.pos = 0;
-
- el->el_state.doingarg = 0;
-
- el->el_state.inputmode = MODE_INSERT;
- el->el_map.current = el->el_map.alt;
-#ifdef VI_MOVE
- if (el->el_line.cursor > el->el_line.buffer)
- el->el_line.cursor--;
-#endif
- return CC_CURSOR;
-}
-
-
-/* vi_zero():
- * Vi move to the beginning of line
- * [0]
- */
-protected el_action_t
-vi_zero(EditLine *el, wint_t c)
-{
-
- if (el->el_state.doingarg)
- return ed_argument_digit(el, c);
-
- el->el_line.cursor = el->el_line.buffer;
- if (el->el_chared.c_vcmd.action != NOP) {
- cv_delfini(el);
- return CC_REFRESH;
- }
- return CC_CURSOR;
-}
-
-
-/* vi_delete_prev_char():
- * Vi move to previous character (backspace)
- * [^H] in insert mode only
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_delete_prev_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_line.cursor <= el->el_line.buffer)
- return CC_ERROR;
-
- c_delbefore1(el);
- el->el_line.cursor--;
- return CC_REFRESH;
-}
-
-
-/* vi_list_or_eof():
- * Vi list choices for completion or indicate end of file if empty line
- * [^D]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_list_or_eof(EditLine *el, wint_t c)
-{
-
- if (el->el_line.cursor == el->el_line.lastchar) {
- if (el->el_line.cursor == el->el_line.buffer) {
- terminal_writec(el, c); /* then do a EOF */
- return CC_EOF;
- } else {
- /*
- * Here we could list completions, but it is an
- * error right now
- */
- terminal_beep(el);
- return CC_ERROR;
- }
- } else {
-#ifdef notyet
- re_goto_bottom(el);
- *el->el_line.lastchar = '\0'; /* just in case */
- return CC_LIST_CHOICES;
-#else
- /*
- * Just complain for now.
- */
- terminal_beep(el);
- return CC_ERROR;
-#endif
- }
-}
-
-
-/* vi_kill_line_prev():
- * Vi cut from beginning of line to cursor
- * [^U]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_kill_line_prev(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- Char *kp, *cp;
-
- cp = el->el_line.buffer;
- kp = el->el_chared.c_kill.buf;
- while (cp < el->el_line.cursor)
- *kp++ = *cp++; /* copy it */
- el->el_chared.c_kill.last = kp;
- c_delbefore(el, (int)(el->el_line.cursor - el->el_line.buffer));
- el->el_line.cursor = el->el_line.buffer; /* zap! */
- return CC_REFRESH;
-}
-
-
-/* vi_search_prev():
- * Vi search history previous
- * [?]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_search_prev(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- return cv_search(el, ED_SEARCH_PREV_HISTORY);
-}
-
-
-/* vi_search_next():
- * Vi search history next
- * [/]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_search_next(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- return cv_search(el, ED_SEARCH_NEXT_HISTORY);
-}
-
-
-/* vi_repeat_search_next():
- * Vi repeat current search in the same search direction
- * [n]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_repeat_search_next(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_search.patlen == 0)
- return CC_ERROR;
- else
- return cv_repeat_srch(el, el->el_search.patdir);
-}
-
-
-/* vi_repeat_search_prev():
- * Vi repeat current search in the opposite search direction
- * [N]
- */
-/*ARGSUSED*/
-protected el_action_t
-vi_repeat_search_prev(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- if (el->el_search.patlen == 0)
- return CC_ERROR;
- else
- return (cv_repeat_srch(el,
- el->el_search.patdir == ED_SEARCH_PREV_HISTORY ?
- ED_SEARCH_NEXT_HISTORY : ED_SEARCH_PREV_HISTORY));
-}
-
-
-/* vi_next_char():
- * Vi move to the character specified next
- * [f]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_next_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- return cv_csearch(el, CHAR_FWD, -1, el->el_state.argument, 0);
-}
-
-
-/* vi_prev_char():
- * Vi move to the character specified previous
- * [F]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_prev_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- return cv_csearch(el, CHAR_BACK, -1, el->el_state.argument, 0);
-}
-
-
-/* vi_to_next_char():
- * Vi move up to the character specified next
- * [t]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_to_next_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- return cv_csearch(el, CHAR_FWD, -1, el->el_state.argument, 1);
-}
-
-
-/* vi_to_prev_char():
- * Vi move up to the character specified previous
- * [T]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_to_prev_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- return cv_csearch(el, CHAR_BACK, -1, el->el_state.argument, 1);
-}
-
-
-/* vi_repeat_next_char():
- * Vi repeat current character search in the same search direction
- * [;]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_repeat_next_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- return cv_csearch(el, el->el_search.chadir, el->el_search.chacha,
- el->el_state.argument, el->el_search.chatflg);
-}
-
-
-/* vi_repeat_prev_char():
- * Vi repeat current character search in the opposite search direction
- * [,]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_repeat_prev_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- el_action_t r;
- int dir = el->el_search.chadir;
-
- r = cv_csearch(el, -dir, el->el_search.chacha,
- el->el_state.argument, el->el_search.chatflg);
- el->el_search.chadir = dir;
- return r;
-}
-
-
-/* vi_match():
- * Vi go to matching () {} or []
- * [%]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_match(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- const Char match_chars[] = STR("()[]{}");
- Char *cp;
- size_t delta, i, count;
- Char o_ch, c_ch;
-
- *el->el_line.lastchar = '\0'; /* just in case */
-
- i = Strcspn(el->el_line.cursor, match_chars);
- o_ch = el->el_line.cursor[i];
- if (o_ch == 0)
- return CC_ERROR;
- delta = (size_t)(Strchr(match_chars, o_ch) - match_chars);
- c_ch = match_chars[delta ^ 1];
- count = 1;
- delta = 1 - (delta & 1) * 2;
-
- for (cp = &el->el_line.cursor[i]; count; ) {
- cp += delta;
- if (cp < el->el_line.buffer || cp >= el->el_line.lastchar)
- return CC_ERROR;
- if (*cp == o_ch)
- count++;
- else if (*cp == c_ch)
- count--;
- }
-
- el->el_line.cursor = cp;
-
- if (el->el_chared.c_vcmd.action != NOP) {
- /* NB posix says char under cursor should NOT be deleted
- for -ve delta - this is different to netbsd vi. */
- if (delta > 0)
- el->el_line.cursor++;
- cv_delfini(el);
- return CC_REFRESH;
- }
- return CC_CURSOR;
-}
-
-/* vi_undo_line():
- * Vi undo all changes to line
- * [U]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_undo_line(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- cv_undo(el);
- return hist_get(el);
-}
-
-/* vi_to_column():
- * Vi go to specified column
- * [|]
- * NB netbsd vi goes to screen column 'n', posix says nth character
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_to_column(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- el->el_line.cursor = el->el_line.buffer;
- el->el_state.argument--;
- return ed_next_char(el, 0);
-}
-
-/* vi_yank_end():
- * Vi yank to end of line
- * [Y]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_yank_end(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- cv_yank(el, el->el_line.cursor,
- (int)(el->el_line.lastchar - el->el_line.cursor));
- return CC_REFRESH;
-}
-
-/* vi_yank():
- * Vi yank
- * [y]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_yank(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- return cv_action(el, YANK);
-}
-
-/* vi_comment_out():
- * Vi comment out current command
- * [#]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_comment_out(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
- el->el_line.cursor = el->el_line.buffer;
- c_insert(el, 1);
- *el->el_line.cursor = '#';
- re_refresh(el);
- return ed_newline(el, 0);
-}
-
-/* vi_alias():
- * Vi include shell alias
- * [@]
- * NB: posix implies that we should enter insert mode, however
- * this is against historical precedent...
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_alias(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- char alias_name[3];
- const char *alias_text;
-
- if (el->el_chared.c_aliasfun == NULL)
- return CC_ERROR;
-
- alias_name[0] = '_';
- alias_name[2] = 0;
- if (el_getc(el, &alias_name[1]) != 1)
- return CC_ERROR;
-
- alias_text = (*el->el_chared.c_aliasfun)(el->el_chared.c_aliasarg,
- alias_name);
- if (alias_text != NULL)
- FUN(el,push)(el, ct_decode_string(alias_text, &el->el_scratch));
- return CC_NORM;
-}
-
-/* vi_to_history_line():
- * Vi go to specified history file line.
- * [G]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_to_history_line(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- int sv_event_no = el->el_history.eventno;
- el_action_t rval;
-
-
- if (el->el_history.eventno == 0) {
- (void) Strncpy(el->el_history.buf, el->el_line.buffer,
- EL_BUFSIZ);
- el->el_history.last = el->el_history.buf +
- (el->el_line.lastchar - el->el_line.buffer);
- }
-
- /* Lack of a 'count' means oldest, not 1 */
- if (!el->el_state.doingarg) {
- el->el_history.eventno = 0x7fffffff;
- hist_get(el);
- } else {
- /* This is brain dead, all the rest of this code counts
- * upwards going into the past. Here we need count in the
- * other direction (to match the output of fc -l).
- * I could change the world, but this seems to suffice.
- */
- el->el_history.eventno = 1;
- if (hist_get(el) == CC_ERROR)
- return CC_ERROR;
- el->el_history.eventno = 1 + el->el_history.ev.num
- - el->el_state.argument;
- if (el->el_history.eventno < 0) {
- el->el_history.eventno = sv_event_no;
- return CC_ERROR;
- }
- }
- rval = hist_get(el);
- if (rval == CC_ERROR)
- el->el_history.eventno = sv_event_no;
- return rval;
-}
-
-/* vi_histedit():
- * Vi edit history line with vi
- * [v]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_histedit(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- int fd;
- pid_t pid;
- ssize_t st;
- int status;
- char tempfile[] = "/tmp/histedit.XXXXXXXXXX";
- char *cp = NULL;
- size_t len;
- Char *line = NULL;
-
- if (el->el_state.doingarg) {
- if (vi_to_history_line(el, 0) == CC_ERROR)
- return CC_ERROR;
- }
-
- fd = mkstemp(tempfile);
- if (fd < 0)
- return CC_ERROR;
- len = (size_t)(el->el_line.lastchar - el->el_line.buffer);
-#define TMP_BUFSIZ (EL_BUFSIZ * MB_LEN_MAX)
- cp = el_malloc(TMP_BUFSIZ * sizeof(*cp));
- if (cp == NULL)
- goto error;
- line = el_malloc(len * sizeof(*line) + 1);
- if (line == NULL)
- goto error;
- Strncpy(line, el->el_line.buffer, len);
- line[len] = '\0';
- ct_wcstombs(cp, line, TMP_BUFSIZ - 1);
- cp[TMP_BUFSIZ - 1] = '\0';
- len = strlen(cp);
- write(fd, cp, len);
- write(fd, "\n", (size_t)1);
- pid = fork();
- switch (pid) {
- case -1:
- goto error;
- case 0:
- close(fd);
- execlp("vi", "vi", tempfile, (char *)NULL);
- exit(0);
- /*NOTREACHED*/
- default:
- while (waitpid(pid, &status, 0) != pid)
- continue;
- lseek(fd, (off_t)0, SEEK_SET);
- st = read(fd, cp, TMP_BUFSIZ - 1);
- if (st > 0) {
- cp[st] = '\0';
- len = (size_t)(el->el_line.limit - el->el_line.buffer);
- len = ct_mbstowcs(el->el_line.buffer, cp, len);
- if (len > 0 && el->el_line.buffer[len - 1] == '\n')
- --len;
- }
- else
- len = 0;
- el->el_line.cursor = el->el_line.buffer;
- el->el_line.lastchar = el->el_line.buffer + len;
- el_free(cp);
- el_free(line);
- break;
- }
-
- close(fd);
- unlink(tempfile);
- /* return CC_REFRESH; */
- return ed_newline(el, 0);
-error:
- el_free(line);
- el_free(cp);
- close(fd);
- unlink(tempfile);
- return CC_ERROR;
-}
-
-/* vi_history_word():
- * Vi append word from previous input line
- * [_]
- * Who knows where this one came from!
- * '_' in vi means 'entire current line', so 'cc' is a synonym for 'c_'
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_history_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- const Char *wp = HIST_FIRST(el);
- const Char *wep, *wsp;
- int len;
- Char *cp;
- const Char *lim;
-
- if (wp == NULL)
- return CC_ERROR;
-
- wep = wsp = NULL;
- do {
- while (Isspace(*wp))
- wp++;
- if (*wp == 0)
- break;
- wsp = wp;
- while (*wp && !Isspace(*wp))
- wp++;
- wep = wp;
- } while ((!el->el_state.doingarg || --el->el_state.argument > 0)
- && *wp != 0);
-
- if (wsp == NULL || (el->el_state.doingarg && el->el_state.argument != 0))
- return CC_ERROR;
-
- cv_undo(el);
- len = (int)(wep - wsp);
- if (el->el_line.cursor < el->el_line.lastchar)
- el->el_line.cursor++;
- c_insert(el, len + 1);
- cp = el->el_line.cursor;
- lim = el->el_line.limit;
- if (cp < lim)
- *cp++ = ' ';
- while (wsp < wep && cp < lim)
- *cp++ = *wsp++;
- el->el_line.cursor = cp;
-
- el->el_map.current = el->el_map.key;
- return CC_REFRESH;
-}
-
-/* vi_redo():
- * Vi redo last non-motion command
- * [.]
- */
-protected el_action_t
-/*ARGSUSED*/
-vi_redo(EditLine *el, wint_t c __attribute__((__unused__)))
-{
- c_redo_t *r = &el->el_chared.c_redo;
-
- if (!el->el_state.doingarg && r->count) {
- el->el_state.doingarg = 1;
- el->el_state.argument = r->count;
- }
-
- el->el_chared.c_vcmd.pos = el->el_line.cursor;
- el->el_chared.c_vcmd.action = r->action;
- if (r->pos != r->buf) {
- if (r->pos + 1 > r->lim)
- /* sanity */
- r->pos = r->lim - 1;
- r->pos[0] = 0;
- FUN(el,push)(el, r->buf);
- }
-
- el->el_state.thiscmd = r->cmd;
- el->el_state.thisch = r->ch;
- return (*el->el_map.func[r->cmd])(el, r->ch);
-}