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changes for readline/libedit configuration
This commit is contained in:
vva@eagle.mysql.r18.ru
961
cmd-line-utils/libedit/common.c
Normal file
961
cmd-line-utils/libedit/common.c
Normal file
@ -0,0 +1,961 @@
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/* $NetBSD: common.c,v 1.10 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
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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. 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
|
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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 "compat.h"
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#if !defined(lint) && !defined(SCCSID)
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#if 0
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static char sccsid[] = "@(#)common.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: common.c,v 1.10 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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* common.c: Common Editor functions
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*/
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#include "sys.h"
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#include "el.h"
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/* ed_end_of_file():
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* Indicate end of file
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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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ed_end_of_file(EditLine *el, int c __attribute__((unused)))
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{
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re_goto_bottom(el);
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*el->el_line.lastchar = '\0';
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return (CC_EOF);
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}
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/* ed_insert():
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* Add character to the line
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* Insert a character [bound to all insert keys]
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*/
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protected el_action_t
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ed_insert(EditLine *el, int c)
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{
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int i;
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if (c == '\0')
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return (CC_ERROR);
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if (el->el_line.lastchar + el->el_state.argument >=
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el->el_line.limit) {
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/* end of buffer space, try to allocate more */
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if (!ch_enlargebufs(el, (size_t) el->el_state.argument))
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return CC_ERROR; /* error allocating more */
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}
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if (el->el_state.argument == 1) {
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if (el->el_state.inputmode != MODE_INSERT) {
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el->el_chared.c_undo.buf[el->el_chared.c_undo.isize++] =
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*el->el_line.cursor;
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el->el_chared.c_undo.buf[el->el_chared.c_undo.isize] =
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'\0';
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c_delafter(el, 1);
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}
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c_insert(el, 1);
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*el->el_line.cursor++ = c;
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el->el_state.doingarg = 0; /* just in case */
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re_fastaddc(el); /* fast refresh for one char. */
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} else {
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if (el->el_state.inputmode != MODE_INSERT) {
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for (i = 0; i < el->el_state.argument; i++)
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el->el_chared.c_undo.buf[el->el_chared.c_undo.isize++] =
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el->el_line.cursor[i];
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el->el_chared.c_undo.buf[el->el_chared.c_undo.isize] =
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'\0';
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c_delafter(el, el->el_state.argument);
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}
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c_insert(el, el->el_state.argument);
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while (el->el_state.argument--)
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*el->el_line.cursor++ = c;
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re_refresh(el);
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}
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if (el->el_state.inputmode == MODE_REPLACE_1)
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(void) vi_command_mode(el, 0);
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return (CC_NORM);
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}
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/* ed_delete_prev_word():
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* Delete from beginning of current word to cursor
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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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ed_delete_prev_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.buffer)
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return (CC_ERROR);
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cp = c__prev_word(el->el_line.cursor, el->el_line.buffer,
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el->el_state.argument, ce__isword);
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for (p = cp, kp = el->el_chared.c_kill.buf; p < el->el_line.cursor; p++)
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*kp++ = *p;
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el->el_chared.c_kill.last = kp;
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c_delbefore(el, el->el_line.cursor - cp); /* delete before dot */
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el->el_line.cursor = cp;
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if (el->el_line.cursor < el->el_line.buffer)
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el->el_line.cursor = el->el_line.buffer; /* bounds check */
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return (CC_REFRESH);
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}
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/* ed_delete_next_char():
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* Delete character under cursor
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* [^D] [x]
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*/
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protected el_action_t
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/*ARGSUSED*/
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ed_delete_next_char(EditLine *el, int c __attribute__((unused)))
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{
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#ifdef notdef /* XXX */
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#define EL el->el_line
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(void) fprintf(el->el_errlfile,
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"\nD(b: %x(%s) c: %x(%s) last: %x(%s) limit: %x(%s)\n",
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EL.buffer, EL.buffer, EL.cursor, EL.cursor, EL.lastchar,
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EL.lastchar, EL.limit, EL.limit);
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#endif
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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_map.type == MAP_VI) {
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if (el->el_line.cursor == el->el_line.buffer) {
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/* if I'm also at the beginning */
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#ifdef KSHVI
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return (CC_ERROR);
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#else
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term_overwrite(el, STReof, 4);
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/* then do a EOF */
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term__flush();
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return (CC_EOF);
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#endif
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} else {
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#ifdef KSHVI
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el->el_line.cursor--;
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#else
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return (CC_ERROR);
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#endif
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}
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} else {
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if (el->el_line.cursor != el->el_line.buffer)
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el->el_line.cursor--;
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else
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return (CC_ERROR);
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}
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}
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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.buffer)
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/* bounds check */
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el->el_line.cursor = el->el_line.lastchar - 1;
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return (CC_REFRESH);
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}
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/* ed_kill_line():
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* Cut to the end of line
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* [^K] [^K]
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*/
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protected el_action_t
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/*ARGSUSED*/
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ed_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.cursor;
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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 to end */
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el->el_line.lastchar = el->el_line.cursor;
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return (CC_REFRESH);
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}
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/* ed_move_to_end():
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* Move cursor to the end of line
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* [^E] [^E]
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*/
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protected el_action_t
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/*ARGSUSED*/
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ed_move_to_end(EditLine *el, int c __attribute__((unused)))
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{
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el->el_line.cursor = el->el_line.lastchar;
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if (el->el_map.type == MAP_VI) {
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#ifdef VI_MOVE
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el->el_line.cursor--;
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#endif
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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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}
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return (CC_CURSOR);
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}
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/* ed_move_to_beg():
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* Move cursor to the beginning of line
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* [^A] [^A]
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*/
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protected el_action_t
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/*ARGSUSED*/
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ed_move_to_beg(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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if (el->el_map.type == MAP_VI) {
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/* We want FIRST non space character */
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while (isspace((unsigned char) *el->el_line.cursor))
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el->el_line.cursor++;
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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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}
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return (CC_CURSOR);
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}
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/* ed_transpose_chars():
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* Exchange the character to the left of the cursor with the one under it
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* [^T] [^T]
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*/
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protected el_action_t
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ed_transpose_chars(EditLine *el, int c)
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{
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if (el->el_line.cursor < el->el_line.lastchar) {
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if (el->el_line.lastchar <= &el->el_line.buffer[1])
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return (CC_ERROR);
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else
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el->el_line.cursor++;
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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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|
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|
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/* ed_next_char():
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* Move to the right one character
|
||||
* [^F] [^F]
|
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*/
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protected el_action_t
|
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/*ARGSUSED*/
|
||||
ed_next_char(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
if (el->el_line.cursor >= el->el_line.lastchar)
|
||||
return (CC_ERROR);
|
||||
|
||||
el->el_line.cursor += el->el_state.argument;
|
||||
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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|
||||
if (el->el_map.type == MAP_VI)
|
||||
if (el->el_chared.c_vcmd.action & DELETE) {
|
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cv_delfini(el);
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
return (CC_CURSOR);
|
||||
}
|
||||
|
||||
|
||||
/* ed_prev_word():
|
||||
* Move to the beginning of the current word
|
||||
* [M-b] [b]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_prev_word(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
if (el->el_line.cursor == el->el_line.buffer)
|
||||
return (CC_ERROR);
|
||||
|
||||
el->el_line.cursor = c__prev_word(el->el_line.cursor,
|
||||
el->el_line.buffer,
|
||||
el->el_state.argument,
|
||||
ce__isword);
|
||||
|
||||
if (el->el_map.type == MAP_VI)
|
||||
if (el->el_chared.c_vcmd.action & DELETE) {
|
||||
cv_delfini(el);
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
return (CC_CURSOR);
|
||||
}
|
||||
|
||||
|
||||
/* ed_prev_char():
|
||||
* Move to the left one character
|
||||
* [^B] [^B]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_prev_char(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
if (el->el_line.cursor > el->el_line.buffer) {
|
||||
el->el_line.cursor -= el->el_state.argument;
|
||||
if (el->el_line.cursor < el->el_line.buffer)
|
||||
el->el_line.cursor = el->el_line.buffer;
|
||||
|
||||
if (el->el_map.type == MAP_VI)
|
||||
if (el->el_chared.c_vcmd.action & DELETE) {
|
||||
cv_delfini(el);
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
return (CC_CURSOR);
|
||||
} else
|
||||
return (CC_ERROR);
|
||||
}
|
||||
|
||||
|
||||
/* ed_quoted_insert():
|
||||
* Add the next character typed verbatim
|
||||
* [^V] [^V]
|
||||
*/
|
||||
protected el_action_t
|
||||
ed_quoted_insert(EditLine *el, int c)
|
||||
{
|
||||
int num;
|
||||
char tc;
|
||||
|
||||
tty_quotemode(el);
|
||||
num = el_getc(el, &tc);
|
||||
c = (unsigned char) tc;
|
||||
tty_noquotemode(el);
|
||||
if (num == 1)
|
||||
return (ed_insert(el, c));
|
||||
else
|
||||
return (ed_end_of_file(el, 0));
|
||||
}
|
||||
|
||||
|
||||
/* ed_digit():
|
||||
* Adds to argument or enters a digit
|
||||
*/
|
||||
protected el_action_t
|
||||
ed_digit(EditLine *el, int c)
|
||||
{
|
||||
|
||||
if (!isdigit(c))
|
||||
return (CC_ERROR);
|
||||
|
||||
if (el->el_state.doingarg) {
|
||||
/* if doing an arg, add this in... */
|
||||
if (el->el_state.lastcmd == EM_UNIVERSAL_ARGUMENT)
|
||||
el->el_state.argument = c - '0';
|
||||
else {
|
||||
if (el->el_state.argument > 1000000)
|
||||
return (CC_ERROR);
|
||||
el->el_state.argument =
|
||||
(el->el_state.argument * 10) + (c - '0');
|
||||
}
|
||||
return (CC_ARGHACK);
|
||||
} else {
|
||||
if (el->el_line.lastchar + 1 >= el->el_line.limit) {
|
||||
if (!ch_enlargebufs(el, 1))
|
||||
return (CC_ERROR);
|
||||
}
|
||||
|
||||
if (el->el_state.inputmode != MODE_INSERT) {
|
||||
el->el_chared.c_undo.buf[el->el_chared.c_undo.isize++] =
|
||||
*el->el_line.cursor;
|
||||
el->el_chared.c_undo.buf[el->el_chared.c_undo.isize] =
|
||||
'\0';
|
||||
c_delafter(el, 1);
|
||||
}
|
||||
c_insert(el, 1);
|
||||
*el->el_line.cursor++ = c;
|
||||
el->el_state.doingarg = 0;
|
||||
re_fastaddc(el);
|
||||
}
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_argument_digit():
|
||||
* Digit that starts argument
|
||||
* For ESC-n
|
||||
*/
|
||||
protected el_action_t
|
||||
ed_argument_digit(EditLine *el, int c)
|
||||
{
|
||||
|
||||
if (!isdigit(c))
|
||||
return (CC_ERROR);
|
||||
|
||||
if (el->el_state.doingarg) {
|
||||
if (el->el_state.argument > 1000000)
|
||||
return (CC_ERROR);
|
||||
el->el_state.argument = (el->el_state.argument * 10) +
|
||||
(c - '0');
|
||||
} else { /* else starting an argument */
|
||||
el->el_state.argument = c - '0';
|
||||
el->el_state.doingarg = 1;
|
||||
}
|
||||
return (CC_ARGHACK);
|
||||
}
|
||||
|
||||
|
||||
/* ed_unassigned():
|
||||
* Indicates unbound character
|
||||
* Bound to keys that are not assigned
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_unassigned(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
term_beep(el);
|
||||
term__flush();
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
** TTY key handling.
|
||||
**/
|
||||
|
||||
/* ed_tty_sigint():
|
||||
* Tty interrupt character
|
||||
* [^C]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_tty_sigint(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_tty_dsusp():
|
||||
* Tty delayed suspend character
|
||||
* [^Y]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_tty_dsusp(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_tty_flush_output():
|
||||
* Tty flush output characters
|
||||
* [^O]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_tty_flush_output(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_tty_sigquit():
|
||||
* Tty quit character
|
||||
* [^\]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_tty_sigquit(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_tty_sigtstp():
|
||||
* Tty suspend character
|
||||
* [^Z]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_tty_sigtstp(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_tty_stop_output():
|
||||
* Tty disallow output characters
|
||||
* [^S]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_tty_stop_output(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_tty_start_output():
|
||||
* Tty allow output characters
|
||||
* [^Q]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_tty_start_output(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_newline():
|
||||
* Execute command
|
||||
* [^J]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_newline(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
re_goto_bottom(el);
|
||||
*el->el_line.lastchar++ = '\n';
|
||||
*el->el_line.lastchar = '\0';
|
||||
if (el->el_map.type == MAP_VI)
|
||||
el->el_chared.c_vcmd.ins = el->el_line.buffer;
|
||||
return (CC_NEWLINE);
|
||||
}
|
||||
|
||||
|
||||
/* ed_delete_prev_char():
|
||||
* Delete the character to the left of the cursor
|
||||
* [^?]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_delete_prev_char(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
if (el->el_line.cursor <= el->el_line.buffer)
|
||||
return (CC_ERROR);
|
||||
|
||||
c_delbefore(el, el->el_state.argument);
|
||||
el->el_line.cursor -= el->el_state.argument;
|
||||
if (el->el_line.cursor < el->el_line.buffer)
|
||||
el->el_line.cursor = el->el_line.buffer;
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
|
||||
|
||||
/* ed_clear_screen():
|
||||
* Clear screen leaving current line at the top
|
||||
* [^L]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_clear_screen(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
term_clear_screen(el); /* clear the whole real screen */
|
||||
re_clear_display(el); /* reset everything */
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
|
||||
|
||||
/* ed_redisplay():
|
||||
* Redisplay everything
|
||||
* ^R
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_redisplay(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_REDISPLAY);
|
||||
}
|
||||
|
||||
|
||||
/* ed_start_over():
|
||||
* Erase current line and start from scratch
|
||||
* [^G]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_start_over(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
ch_reset(el);
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
|
||||
|
||||
/* ed_sequence_lead_in():
|
||||
* First character in a bound sequence
|
||||
* Placeholder for external keys
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_sequence_lead_in(EditLine *el __attribute__((unused)),
|
||||
int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
return (CC_NORM);
|
||||
}
|
||||
|
||||
|
||||
/* ed_prev_history():
|
||||
* Move to the previous history line
|
||||
* [^P] [k]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_prev_history(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
char beep = 0;
|
||||
|
||||
el->el_chared.c_undo.action = NOP;
|
||||
*el->el_line.lastchar = '\0'; /* just in case */
|
||||
|
||||
if (el->el_history.eventno == 0) { /* save the current buffer
|
||||
* away */
|
||||
(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);
|
||||
}
|
||||
el->el_history.eventno += el->el_state.argument;
|
||||
|
||||
if (hist_get(el) == CC_ERROR) {
|
||||
beep = 1;
|
||||
/* el->el_history.eventno was fixed by first call */
|
||||
(void) hist_get(el);
|
||||
}
|
||||
re_refresh(el);
|
||||
if (beep)
|
||||
return (CC_ERROR);
|
||||
else
|
||||
return (CC_NORM); /* was CC_UP_HIST */
|
||||
}
|
||||
|
||||
|
||||
/* ed_next_history():
|
||||
* Move to the next history line
|
||||
* [^N] [j]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_next_history(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
|
||||
el->el_chared.c_undo.action = NOP;
|
||||
*el->el_line.lastchar = '\0'; /* just in case */
|
||||
|
||||
el->el_history.eventno -= el->el_state.argument;
|
||||
|
||||
if (el->el_history.eventno < 0) {
|
||||
el->el_history.eventno = 0;
|
||||
return (CC_ERROR);/* make it beep */
|
||||
}
|
||||
return (hist_get(el));
|
||||
}
|
||||
|
||||
|
||||
/* ed_search_prev_history():
|
||||
* Search previous in history for a line matching the current
|
||||
* next search history [M-P] [K]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_search_prev_history(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
const char *hp;
|
||||
int h;
|
||||
bool_t found = 0;
|
||||
|
||||
el->el_chared.c_vcmd.action = NOP;
|
||||
el->el_chared.c_undo.action = NOP;
|
||||
*el->el_line.lastchar = '\0'; /* just in case */
|
||||
if (el->el_history.eventno < 0) {
|
||||
#ifdef DEBUG_EDIT
|
||||
(void) fprintf(el->el_errfile,
|
||||
"e_prev_search_hist(): eventno < 0;\n");
|
||||
#endif
|
||||
el->el_history.eventno = 0;
|
||||
return (CC_ERROR);
|
||||
}
|
||||
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);
|
||||
}
|
||||
if (el->el_history.ref == NULL)
|
||||
return (CC_ERROR);
|
||||
|
||||
hp = HIST_FIRST(el);
|
||||
if (hp == NULL)
|
||||
return (CC_ERROR);
|
||||
|
||||
c_setpat(el); /* Set search pattern !! */
|
||||
|
||||
for (h = 1; h <= el->el_history.eventno; h++)
|
||||
hp = HIST_NEXT(el);
|
||||
|
||||
while (hp != NULL) {
|
||||
#ifdef SDEBUG
|
||||
(void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp);
|
||||
#endif
|
||||
if ((strncmp(hp, el->el_line.buffer, (size_t)
|
||||
(el->el_line.lastchar - el->el_line.buffer)) ||
|
||||
hp[el->el_line.lastchar - el->el_line.buffer]) &&
|
||||
c_hmatch(el, hp)) {
|
||||
found++;
|
||||
break;
|
||||
}
|
||||
h++;
|
||||
hp = HIST_NEXT(el);
|
||||
}
|
||||
|
||||
if (!found) {
|
||||
#ifdef SDEBUG
|
||||
(void) fprintf(el->el_errfile, "not found\n");
|
||||
#endif
|
||||
return (CC_ERROR);
|
||||
}
|
||||
el->el_history.eventno = h;
|
||||
|
||||
return (hist_get(el));
|
||||
}
|
||||
|
||||
|
||||
/* ed_search_next_history():
|
||||
* Search next in history for a line matching the current
|
||||
* [M-N] [J]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_search_next_history(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
const char *hp;
|
||||
int h;
|
||||
bool_t found = 0;
|
||||
|
||||
el->el_chared.c_vcmd.action = NOP;
|
||||
el->el_chared.c_undo.action = NOP;
|
||||
*el->el_line.lastchar = '\0'; /* just in case */
|
||||
|
||||
if (el->el_history.eventno == 0)
|
||||
return (CC_ERROR);
|
||||
|
||||
if (el->el_history.ref == NULL)
|
||||
return (CC_ERROR);
|
||||
|
||||
hp = HIST_FIRST(el);
|
||||
if (hp == NULL)
|
||||
return (CC_ERROR);
|
||||
|
||||
c_setpat(el); /* Set search pattern !! */
|
||||
|
||||
for (h = 1; h < el->el_history.eventno && hp; h++) {
|
||||
#ifdef SDEBUG
|
||||
(void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp);
|
||||
#endif
|
||||
if ((strncmp(hp, el->el_line.buffer, (size_t)
|
||||
(el->el_line.lastchar - el->el_line.buffer)) ||
|
||||
hp[el->el_line.lastchar - el->el_line.buffer]) &&
|
||||
c_hmatch(el, hp))
|
||||
found = h;
|
||||
hp = HIST_NEXT(el);
|
||||
}
|
||||
|
||||
if (!found) { /* is it the current history number? */
|
||||
if (!c_hmatch(el, el->el_history.buf)) {
|
||||
#ifdef SDEBUG
|
||||
(void) fprintf(el->el_errfile, "not found\n");
|
||||
#endif
|
||||
return (CC_ERROR);
|
||||
}
|
||||
}
|
||||
el->el_history.eventno = found;
|
||||
|
||||
return (hist_get(el));
|
||||
}
|
||||
|
||||
|
||||
/* ed_prev_line():
|
||||
* Move up one line
|
||||
* Could be [k] [^p]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_prev_line(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
char *ptr;
|
||||
int nchars = c_hpos(el);
|
||||
|
||||
/*
|
||||
* Move to the line requested
|
||||
*/
|
||||
if (*(ptr = el->el_line.cursor) == '\n')
|
||||
ptr--;
|
||||
|
||||
for (; ptr >= el->el_line.buffer; ptr--)
|
||||
if (*ptr == '\n' && --el->el_state.argument <= 0)
|
||||
break;
|
||||
|
||||
if (el->el_state.argument > 0)
|
||||
return (CC_ERROR);
|
||||
|
||||
/*
|
||||
* Move to the beginning of the line
|
||||
*/
|
||||
for (ptr--; ptr >= el->el_line.buffer && *ptr != '\n'; ptr--)
|
||||
continue;
|
||||
|
||||
/*
|
||||
* Move to the character requested
|
||||
*/
|
||||
for (ptr++;
|
||||
nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n';
|
||||
ptr++)
|
||||
continue;
|
||||
|
||||
el->el_line.cursor = ptr;
|
||||
return (CC_CURSOR);
|
||||
}
|
||||
|
||||
|
||||
/* ed_next_line():
|
||||
* Move down one line
|
||||
* Could be [j] [^n]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_next_line(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
char *ptr;
|
||||
int nchars = c_hpos(el);
|
||||
|
||||
/*
|
||||
* Move to the line requested
|
||||
*/
|
||||
for (ptr = el->el_line.cursor; ptr < el->el_line.lastchar; ptr++)
|
||||
if (*ptr == '\n' && --el->el_state.argument <= 0)
|
||||
break;
|
||||
|
||||
if (el->el_state.argument > 0)
|
||||
return (CC_ERROR);
|
||||
|
||||
/*
|
||||
* Move to the character requested
|
||||
*/
|
||||
for (ptr++;
|
||||
nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n';
|
||||
ptr++)
|
||||
continue;
|
||||
|
||||
el->el_line.cursor = ptr;
|
||||
return (CC_CURSOR);
|
||||
}
|
||||
|
||||
|
||||
/* ed_command():
|
||||
* Editline extended command
|
||||
* [M-X] [:]
|
||||
*/
|
||||
protected el_action_t
|
||||
/*ARGSUSED*/
|
||||
ed_command(EditLine *el, int c __attribute__((unused)))
|
||||
{
|
||||
char tmpbuf[EL_BUFSIZ];
|
||||
int tmplen;
|
||||
|
||||
el->el_line.buffer[0] = '\0';
|
||||
el->el_line.lastchar = el->el_line.buffer;
|
||||
el->el_line.cursor = el->el_line.buffer;
|
||||
|
||||
c_insert(el, 3); /* prompt + ": " */
|
||||
*el->el_line.cursor++ = '\n';
|
||||
*el->el_line.cursor++ = ':';
|
||||
*el->el_line.cursor++ = ' ';
|
||||
re_refresh(el);
|
||||
|
||||
tmplen = c_gets(el, tmpbuf);
|
||||
tmpbuf[tmplen] = '\0';
|
||||
|
||||
el->el_line.buffer[0] = '\0';
|
||||
el->el_line.lastchar = el->el_line.buffer;
|
||||
el->el_line.cursor = el->el_line.buffer;
|
||||
|
||||
if (parse_line(el, tmpbuf) == -1)
|
||||
return (CC_ERROR);
|
||||
else
|
||||
return (CC_REFRESH);
|
||||
}
|
||||
Reference in New Issue
Block a user