1153 lines
24 KiB
C
1153 lines
24 KiB
C
/* $NetBSD: vi.c,v 1.47 2015/10/21 21:45:30 christos Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Christos Zoulas of Cornell University.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <unistd.h>
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#include <limits.h>
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#include <sys/wait.h>
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#if !defined(lint) && !defined(SCCSID)
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#if 0
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static char sccsid[] = "@(#)vi.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: vi.c,v 1.47 2015/10/21 21:45:30 christos Exp $");
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#endif
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#endif /* not lint && not SCCSID */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* vi.c: Vi mode commands.
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*/
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#include "el.h"
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private el_action_t cv_action(EditLine *, Int);
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private el_action_t cv_paste(EditLine *, Int);
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/* cv_action():
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* Handle vi actions.
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*/
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private el_action_t
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cv_action(EditLine *el, Int c)
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{
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if (el->el_chared.c_vcmd.action != NOP) {
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/* 'cc', 'dd' and (possibly) friends */
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if (c != (Int)el->el_chared.c_vcmd.action)
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return CC_ERROR;
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if (!(c & YANK))
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cv_undo(el);
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cv_yank(el, el->el_line.buffer,
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(int)(el->el_line.lastchar - el->el_line.buffer));
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el->el_chared.c_vcmd.action = NOP;
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el->el_chared.c_vcmd.pos = 0;
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if (!(c & YANK)) {
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el->el_line.lastchar = el->el_line.buffer;
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el->el_line.cursor = el->el_line.buffer;
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}
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if (c & INSERT)
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el->el_map.current = el->el_map.key;
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return CC_REFRESH;
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}
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el->el_chared.c_vcmd.pos = el->el_line.cursor;
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el->el_chared.c_vcmd.action = c;
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return CC_ARGHACK;
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}
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/* cv_paste():
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* Paste previous deletion before or after the cursor
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*/
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private el_action_t
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cv_paste(EditLine *el, Int c)
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{
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c_kill_t *k = &el->el_chared.c_kill;
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size_t len = (size_t)(k->last - k->buf);
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if (k->buf == NULL || len == 0)
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return CC_ERROR;
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#ifdef DEBUG_PASTE
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(void) fprintf(el->el_errfile, "Paste: \"%.*s\"\n", (int)len, k->buf);
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#endif
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cv_undo(el);
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if (!c && el->el_line.cursor < el->el_line.lastchar)
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el->el_line.cursor++;
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c_insert(el, (int)len);
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if (el->el_line.cursor + len > el->el_line.lastchar)
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return CC_ERROR;
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(void) memcpy(el->el_line.cursor, k->buf, len *
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sizeof(*el->el_line.cursor));
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return CC_REFRESH;
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}
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/* vi_paste_next():
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* Vi paste previous deletion to the right of the cursor
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* [p]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_paste_next(EditLine *el, Int c __attribute__((__unused__)))
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{
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return cv_paste(el, 0);
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}
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/* vi_paste_prev():
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* Vi paste previous deletion to the left of the cursor
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* [P]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_paste_prev(EditLine *el, Int c __attribute__((__unused__)))
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{
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return cv_paste(el, 1);
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}
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/* vi_prev_big_word():
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* Vi move to the previous space delimited word
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* [B]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_prev_big_word(EditLine *el, Int c __attribute__((__unused__)))
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{
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if (el->el_line.cursor == el->el_line.buffer)
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return CC_ERROR;
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el->el_line.cursor = cv_prev_word(el->el_line.cursor,
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el->el_line.buffer,
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el->el_state.argument,
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cv__isWord);
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if (el->el_chared.c_vcmd.action != NOP) {
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cv_delfini(el);
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return CC_REFRESH;
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}
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return CC_CURSOR;
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}
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/* vi_prev_word():
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* Vi move to the previous word
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* [b]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_prev_word(EditLine *el, Int c __attribute__((__unused__)))
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{
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if (el->el_line.cursor == el->el_line.buffer)
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return CC_ERROR;
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el->el_line.cursor = cv_prev_word(el->el_line.cursor,
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el->el_line.buffer,
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el->el_state.argument,
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cv__isword);
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if (el->el_chared.c_vcmd.action != NOP) {
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cv_delfini(el);
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return CC_REFRESH;
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}
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return CC_CURSOR;
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}
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/* vi_next_big_word():
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* Vi move to the next space delimited word
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* [W]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_next_big_word(EditLine *el, Int c __attribute__((__unused__)))
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{
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if (el->el_line.cursor >= el->el_line.lastchar - 1)
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return CC_ERROR;
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el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
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el->el_line.lastchar, el->el_state.argument, cv__isWord);
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if (el->el_map.type == MAP_VI)
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if (el->el_chared.c_vcmd.action != NOP) {
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cv_delfini(el);
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return CC_REFRESH;
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}
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return CC_CURSOR;
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}
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/* vi_next_word():
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* Vi move to the next word
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* [w]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_next_word(EditLine *el, Int c __attribute__((__unused__)))
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{
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if (el->el_line.cursor >= el->el_line.lastchar - 1)
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return CC_ERROR;
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el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
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el->el_line.lastchar, el->el_state.argument, cv__isword);
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if (el->el_map.type == MAP_VI)
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if (el->el_chared.c_vcmd.action != NOP) {
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cv_delfini(el);
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return CC_REFRESH;
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}
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return CC_CURSOR;
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}
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/* vi_change_case():
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* Vi change case of character under the cursor and advance one character
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* [~]
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*/
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protected el_action_t
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vi_change_case(EditLine *el, Int c)
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{
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int i;
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if (el->el_line.cursor >= el->el_line.lastchar)
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return CC_ERROR;
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cv_undo(el);
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for (i = 0; i < el->el_state.argument; i++) {
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c = *el->el_line.cursor;
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if (Isupper(c))
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*el->el_line.cursor = Tolower(c);
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else if (Islower(c))
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*el->el_line.cursor = Toupper(c);
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if (++el->el_line.cursor >= el->el_line.lastchar) {
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el->el_line.cursor--;
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re_fastaddc(el);
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break;
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}
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re_fastaddc(el);
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}
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return CC_NORM;
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}
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/* vi_change_meta():
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* Vi change prefix command
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* [c]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_change_meta(EditLine *el, Int c __attribute__((__unused__)))
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{
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/*
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* Delete with insert == change: first we delete and then we leave in
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* insert mode.
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*/
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return cv_action(el, DELETE | INSERT);
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}
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/* vi_insert_at_bol():
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* Vi enter insert mode at the beginning of line
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* [I]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_insert_at_bol(EditLine *el, Int c __attribute__((__unused__)))
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{
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el->el_line.cursor = el->el_line.buffer;
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cv_undo(el);
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el->el_map.current = el->el_map.key;
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return CC_CURSOR;
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}
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/* vi_replace_char():
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* Vi replace character under the cursor with the next character typed
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* [r]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_replace_char(EditLine *el, Int c __attribute__((__unused__)))
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{
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if (el->el_line.cursor >= el->el_line.lastchar)
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return CC_ERROR;
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el->el_map.current = el->el_map.key;
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el->el_state.inputmode = MODE_REPLACE_1;
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cv_undo(el);
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return CC_ARGHACK;
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}
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/* vi_replace_mode():
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* Vi enter replace mode
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* [R]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_replace_mode(EditLine *el, Int c __attribute__((__unused__)))
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{
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el->el_map.current = el->el_map.key;
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el->el_state.inputmode = MODE_REPLACE;
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cv_undo(el);
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return CC_NORM;
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}
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/* vi_substitute_char():
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* Vi replace character under the cursor and enter insert mode
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* [s]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_substitute_char(EditLine *el, Int c __attribute__((__unused__)))
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{
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c_delafter(el, el->el_state.argument);
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el->el_map.current = el->el_map.key;
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return CC_REFRESH;
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}
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/* vi_substitute_line():
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* Vi substitute entire line
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* [S]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_substitute_line(EditLine *el, Int c __attribute__((__unused__)))
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{
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cv_undo(el);
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cv_yank(el, el->el_line.buffer,
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(int)(el->el_line.lastchar - el->el_line.buffer));
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(void) em_kill_line(el, 0);
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el->el_map.current = el->el_map.key;
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return CC_REFRESH;
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}
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/* vi_change_to_eol():
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* Vi change to end of line
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* [C]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_change_to_eol(EditLine *el, Int c __attribute__((__unused__)))
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{
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cv_undo(el);
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cv_yank(el, el->el_line.cursor,
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(int)(el->el_line.lastchar - el->el_line.cursor));
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(void) ed_kill_line(el, 0);
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el->el_map.current = el->el_map.key;
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return CC_REFRESH;
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}
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/* vi_insert():
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* Vi enter insert mode
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* [i]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_insert(EditLine *el, Int c __attribute__((__unused__)))
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{
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el->el_map.current = el->el_map.key;
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cv_undo(el);
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return CC_NORM;
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}
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/* vi_add():
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* Vi enter insert mode after the cursor
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* [a]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_add(EditLine *el, Int c __attribute__((__unused__)))
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{
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int ret;
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el->el_map.current = el->el_map.key;
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if (el->el_line.cursor < el->el_line.lastchar) {
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el->el_line.cursor++;
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if (el->el_line.cursor > el->el_line.lastchar)
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el->el_line.cursor = el->el_line.lastchar;
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ret = CC_CURSOR;
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} else
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ret = CC_NORM;
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cv_undo(el);
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return (el_action_t)ret;
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}
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/* vi_add_at_eol():
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* Vi enter insert mode at end of line
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* [A]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_add_at_eol(EditLine *el, Int c __attribute__((__unused__)))
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{
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el->el_map.current = el->el_map.key;
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el->el_line.cursor = el->el_line.lastchar;
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cv_undo(el);
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return CC_CURSOR;
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}
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/* vi_delete_meta():
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* Vi delete prefix command
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* [d]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_delete_meta(EditLine *el, Int c __attribute__((__unused__)))
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{
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return cv_action(el, DELETE);
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}
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/* vi_end_big_word():
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* Vi move to the end of the current space delimited word
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* [E]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_end_big_word(EditLine *el, Int c __attribute__((__unused__)))
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{
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if (el->el_line.cursor == el->el_line.lastchar)
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return CC_ERROR;
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el->el_line.cursor = cv__endword(el->el_line.cursor,
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el->el_line.lastchar, el->el_state.argument, cv__isWord);
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if (el->el_chared.c_vcmd.action != NOP) {
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el->el_line.cursor++;
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cv_delfini(el);
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return CC_REFRESH;
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}
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return CC_CURSOR;
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}
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/* vi_end_word():
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* Vi move to the end of the current word
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* [e]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_end_word(EditLine *el, Int c __attribute__((__unused__)))
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{
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if (el->el_line.cursor == el->el_line.lastchar)
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return CC_ERROR;
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el->el_line.cursor = cv__endword(el->el_line.cursor,
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el->el_line.lastchar, el->el_state.argument, cv__isword);
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if (el->el_chared.c_vcmd.action != NOP) {
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el->el_line.cursor++;
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cv_delfini(el);
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return CC_REFRESH;
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}
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return CC_CURSOR;
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}
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/* vi_undo():
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* Vi undo last change
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* [u]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_undo(EditLine *el, Int c __attribute__((__unused__)))
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{
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c_undo_t un = el->el_chared.c_undo;
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if (un.len == -1)
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return CC_ERROR;
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/* switch line buffer and undo buffer */
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el->el_chared.c_undo.buf = el->el_line.buffer;
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el->el_chared.c_undo.len = el->el_line.lastchar - el->el_line.buffer;
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el->el_chared.c_undo.cursor =
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(int)(el->el_line.cursor - el->el_line.buffer);
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el->el_line.limit = un.buf + (el->el_line.limit - el->el_line.buffer);
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el->el_line.buffer = un.buf;
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el->el_line.cursor = un.buf + un.cursor;
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el->el_line.lastchar = un.buf + un.len;
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return CC_REFRESH;
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}
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/* vi_command_mode():
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* Vi enter command mode (use alternative key bindings)
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* [<ESC>]
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*/
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protected el_action_t
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/*ARGSUSED*/
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vi_command_mode(EditLine *el, Int c __attribute__((__unused__)))
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{
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|
|
/* [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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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, Int 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);
|
|
}
|