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changes for readline/libedit configuration
This commit is contained in:
vva@eagle.mysql.r18.ru
489
cmd-line-utils/libedit/emacs.c
Normal file
489
cmd-line-utils/libedit/emacs.c
Normal file
@ -0,0 +1,489 @@
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||||
/* $NetBSD: emacs.c,v 1.9 2001/01/10 07:45:41 jdolecek 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
|
||||
* 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.
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||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* 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. All advertising materials mentioning features or use of this software
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||||
* must display the following acknowledgement:
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||||
* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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
|
||||
* 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
|
||||
* 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 "compat.h"
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#if !defined(lint) && !defined(SCCSID)
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#if 0
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static char sccsid[] = "@(#)emacs.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: emacs.c,v 1.9 2001/01/10 07:45:41 jdolecek Exp $");
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#endif
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#endif /* not lint && not SCCSID */
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/*
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* emacs.c: Emacs functions
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*/
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#include "sys.h"
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#include "el.h"
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/* em_delete_or_list():
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* Delete character under cursor or list completions if at end of line
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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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em_delete_or_list(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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/* if I'm at the end */
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if (el->el_line.cursor == el->el_line.buffer) {
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/* and the beginning */
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term_overwrite(el, STReof, 4); /* then do a EOF */
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term__flush();
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return (CC_EOF);
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} else {
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/*
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* Here we could list completions, but it is an
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* error right now
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*/
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term_beep(el);
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return (CC_ERROR);
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}
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} else {
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c_delafter(el, el->el_state.argument); /* delete after dot */
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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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/* bounds check */
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return (CC_REFRESH);
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}
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}
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/* em_delete_next_word():
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* Cut from cursor to end of current word
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* [M-d]
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*/
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protected el_action_t
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/*ARGSUSED*/
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em_delete_next_word(EditLine *el, int c __attribute__((unused)))
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{
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char *cp, *p, *kp;
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if (el->el_line.cursor == el->el_line.lastchar)
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return (CC_ERROR);
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cp = c__next_word(el->el_line.cursor, el->el_line.lastchar,
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el->el_state.argument, ce__isword);
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for (p = el->el_line.cursor, kp = el->el_chared.c_kill.buf; p < cp; p++)
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/* save the text */
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*kp++ = *p;
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el->el_chared.c_kill.last = kp;
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c_delafter(el, cp - el->el_line.cursor); /* delete after dot */
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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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/* bounds check */
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return (CC_REFRESH);
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}
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/* em_yank():
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* Paste cut buffer at cursor position
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* [^Y]
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*/
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protected el_action_t
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/*ARGSUSED*/
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em_yank(EditLine *el, int c __attribute__((unused)))
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{
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char *kp, *cp;
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if (el->el_chared.c_kill.last == el->el_chared.c_kill.buf) {
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if (!ch_enlargebufs(el, 1))
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return (CC_ERROR);
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}
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if (el->el_line.lastchar +
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(el->el_chared.c_kill.last - el->el_chared.c_kill.buf) >=
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el->el_line.limit)
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return (CC_ERROR);
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el->el_chared.c_kill.mark = el->el_line.cursor;
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cp = el->el_line.cursor;
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/* open the space, */
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c_insert(el, el->el_chared.c_kill.last - el->el_chared.c_kill.buf);
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/* copy the chars */
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for (kp = el->el_chared.c_kill.buf; kp < el->el_chared.c_kill.last; kp++)
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*cp++ = *kp;
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/* if an arg, cursor at beginning else cursor at end */
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if (el->el_state.argument == 1)
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el->el_line.cursor = cp;
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return (CC_REFRESH);
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}
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/* em_kill_line():
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* Cut the entire line and save in cut buffer
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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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em_kill_line(EditLine *el, int c __attribute__((unused)))
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{
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char *kp, *cp;
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cp = el->el_line.buffer;
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kp = el->el_chared.c_kill.buf;
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while (cp < el->el_line.lastchar)
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*kp++ = *cp++; /* copy it */
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el->el_chared.c_kill.last = kp;
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/* zap! -- delete all of it */
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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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return (CC_REFRESH);
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}
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/* em_kill_region():
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* Cut area between mark and cursor and save in cut buffer
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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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em_kill_region(EditLine *el, int c __attribute__((unused)))
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{
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char *kp, *cp;
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if (!el->el_chared.c_kill.mark)
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return (CC_ERROR);
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if (el->el_chared.c_kill.mark > el->el_line.cursor) {
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cp = el->el_line.cursor;
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kp = el->el_chared.c_kill.buf;
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while (cp < el->el_chared.c_kill.mark)
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*kp++ = *cp++; /* copy it */
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el->el_chared.c_kill.last = kp;
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c_delafter(el, cp - el->el_line.cursor);
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} else { /* mark is before cursor */
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cp = el->el_chared.c_kill.mark;
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kp = el->el_chared.c_kill.buf;
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while (cp < el->el_line.cursor)
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*kp++ = *cp++; /* copy it */
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el->el_chared.c_kill.last = kp;
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c_delbefore(el, cp - el->el_chared.c_kill.mark);
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el->el_line.cursor = el->el_chared.c_kill.mark;
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}
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return (CC_REFRESH);
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}
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/* em_copy_region():
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* Copy area between mark and cursor to cut buffer
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* [M-W]
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*/
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protected el_action_t
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/*ARGSUSED*/
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em_copy_region(EditLine *el, int c __attribute__((unused)))
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{
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char *kp, *cp;
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if (el->el_chared.c_kill.mark)
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return (CC_ERROR);
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if (el->el_chared.c_kill.mark > el->el_line.cursor) {
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cp = el->el_line.cursor;
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kp = el->el_chared.c_kill.buf;
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while (cp < el->el_chared.c_kill.mark)
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*kp++ = *cp++; /* copy it */
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el->el_chared.c_kill.last = kp;
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} else {
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cp = el->el_chared.c_kill.mark;
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kp = el->el_chared.c_kill.buf;
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while (cp < el->el_line.cursor)
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*kp++ = *cp++; /* copy it */
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el->el_chared.c_kill.last = kp;
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}
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return (CC_NORM);
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}
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/* em_gosmacs_traspose():
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* Exchange the two characters before the cursor
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* Gosling emacs transpose chars [^T]
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*/
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protected el_action_t
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em_gosmacs_traspose(EditLine *el, int c)
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{
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if (el->el_line.cursor > &el->el_line.buffer[1]) {
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/* must have at least two chars entered */
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c = el->el_line.cursor[-2];
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el->el_line.cursor[-2] = el->el_line.cursor[-1];
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el->el_line.cursor[-1] = c;
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return (CC_REFRESH);
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} else
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return (CC_ERROR);
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}
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/* em_next_word():
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* Move next to end of current word
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* [M-f]
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*/
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protected el_action_t
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/*ARGSUSED*/
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em_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)
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return (CC_ERROR);
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el->el_line.cursor = c__next_word(el->el_line.cursor,
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el->el_line.lastchar,
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el->el_state.argument,
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ce__isword);
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if (el->el_map.type == MAP_VI)
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if (el->el_chared.c_vcmd.action & DELETE) {
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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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/* em_upper_case():
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* Uppercase the characters from cursor to end of current word
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* [M-u]
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*/
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protected el_action_t
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/*ARGSUSED*/
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em_upper_case(EditLine *el, int c __attribute__((unused)))
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{
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char *cp, *ep;
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ep = c__next_word(el->el_line.cursor, el->el_line.lastchar,
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el->el_state.argument, ce__isword);
|
||||
|
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for (cp = el->el_line.cursor; cp < ep; cp++)
|
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if (islower((unsigned char) *cp))
|
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*cp = toupper(*cp);
|
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|
||||
el->el_line.cursor = ep;
|
||||
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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return (CC_REFRESH);
|
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}
|
||||
|
||||
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/* em_capitol_case():
|
||||
* Capitalize the characters from cursor to end of current word
|
||||
* [M-c]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_capitol_case(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
char *cp, *ep;
|
||||
|
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ep = c__next_word(el->el_line.cursor, el->el_line.lastchar,
|
||||
el->el_state.argument, ce__isword);
|
||||
|
||||
for (cp = el->el_line.cursor; cp < ep; cp++) {
|
||||
if (isalpha((unsigned char) *cp)) {
|
||||
if (islower((unsigned char) *cp))
|
||||
*cp = toupper(*cp);
|
||||
cp++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
for (; cp < ep; cp++)
|
||||
if (isupper((unsigned char) *cp))
|
||||
*cp = tolower(*cp);
|
||||
|
||||
el->el_line.cursor = ep;
|
||||
if (el->el_line.cursor > el->el_line.lastchar)
|
||||
el->el_line.cursor = el->el_line.lastchar;
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
|
||||
|
||||
/* em_lower_case():
|
||||
* Lowercase the characters from cursor to end of current word
|
||||
* [M-l]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_lower_case(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
char *cp, *ep;
|
||||
|
||||
ep = c__next_word(el->el_line.cursor, el->el_line.lastchar,
|
||||
el->el_state.argument, ce__isword);
|
||||
|
||||
for (cp = el->el_line.cursor; cp < ep; cp++)
|
||||
if (isupper((unsigned char) *cp))
|
||||
*cp = tolower(*cp);
|
||||
|
||||
el->el_line.cursor = ep;
|
||||
if (el->el_line.cursor > el->el_line.lastchar)
|
||||
el->el_line.cursor = el->el_line.lastchar;
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
|
||||
|
||||
/* em_set_mark():
|
||||
* Set the mark at cursor
|
||||
* [^@]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_set_mark(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
el->el_chared.c_kill.mark = el->el_line.cursor;
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* em_exchange_mark():
|
||||
* Exchange the cursor and mark
|
||||
* [^X^X]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_exchange_mark(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
char *cp;
|
||||
|
||||
cp = el->el_line.cursor;
|
||||
el->el_line.cursor = el->el_chared.c_kill.mark;
|
||||
el->el_chared.c_kill.mark = cp;
|
||||
return (CC_CURSOR);
|
||||
}
|
||||
|
||||
|
||||
/* em_universal_argument():
|
||||
* Universal argument (argument times 4)
|
||||
* [^U]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_universal_argument(EditLine *el, int c __attribute__((unused)))
|
||||
{ /* multiply current argument by 4 */
|
||||
|
||||
if (el->el_state.argument > 1000000)
|
||||
return (CC_ERROR);
|
||||
el->el_state.doingarg = 1;
|
||||
el->el_state.argument *= 4;
|
||||
return (CC_ARGHACK);
|
||||
}
|
||||
|
||||
|
||||
/* em_meta_next():
|
||||
* Add 8th bit to next character typed
|
||||
* [<ESC>]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_meta_next(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
el->el_state.metanext = 1;
|
||||
return (CC_ARGHACK);
|
||||
}
|
||||
|
||||
|
||||
/* em_toggle_overwrite():
|
||||
* Switch from insert to overwrite mode or vice versa
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_toggle_overwrite(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
el->el_state.inputmode = (el->el_state.inputmode == MODE_INSERT) ?
|
||||
MODE_REPLACE : MODE_INSERT;
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* em_copy_prev_word():
|
||||
* Copy current word to cursor
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_copy_prev_word(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
char *cp, *oldc, *dp;
|
||||
|
||||
if (el->el_line.cursor == el->el_line.buffer)
|
||||
return (CC_ERROR);
|
||||
|
||||
oldc = el->el_line.cursor;
|
||||
/* does a bounds check */
|
||||
cp = c__prev_word(el->el_line.cursor, el->el_line.buffer,
|
||||
el->el_state.argument, ce__isword);
|
||||
|
||||
c_insert(el, oldc - cp);
|
||||
for (dp = oldc; cp < oldc && dp < el->el_line.lastchar; cp++)
|
||||
*dp++ = *cp;
|
||||
|
||||
el->el_line.cursor = dp;/* put cursor at end */
|
||||
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
|
||||
|
||||
/* em_inc_search_next():
|
||||
* Emacs incremental next search
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_inc_search_next(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
el->el_search.patlen = 0;
|
||||
return (ce_inc_search(el, ED_SEARCH_NEXT_HISTORY));
|
||||
}
|
||||
|
||||
|
||||
/* em_inc_search_prev():
|
||||
* Emacs incremental reverse search
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
em_inc_search_prev(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
el->el_search.patlen = 0;
|
||||
return (ce_inc_search(el, ED_SEARCH_PREV_HISTORY));
|
||||
}
|
||||
Reference in New Issue
Block a user