NetBSD/usr.bin/vi/ex/ex_abbrev.c

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/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
1994-08-18 00:12:00 +04:00
static char sccsid[] = "@(#)ex_abbrev.c 8.14 (Berkeley) 8/17/94";
#endif /* not lint */
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/time.h>
#include <bitstring.h>
#include <ctype.h>
#include <limits.h>
#include <signal.h>
#include <stdio.h>
#include <termios.h>
#include "compat.h"
#include <db.h>
#include <regex.h>
#include "vi.h"
#include "excmd.h"
#include "../vi/vcmd.h"
/*
* ex_abbr -- :abbreviate [key replacement]
* Create an abbreviation or display abbreviations.
*/
int
ex_abbr(sp, ep, cmdp)
SCR *sp;
EXF *ep;
EXCMDARG *cmdp;
{
CHAR_T *p;
size_t len;
switch (cmdp->argc) {
case 0:
if (seq_dump(sp, SEQ_ABBREV, 0) == 0)
msgq(sp, M_INFO, "No abbreviations to display");
return (0);
case 2:
break;
default:
abort();
}
/* Check for illegal characters. */
for (p = cmdp->argv[0]->bp, len = cmdp->argv[0]->len; len--; ++p)
if (!inword(*p)) {
msgq(sp, M_ERR,
"%s may not be part of an abbreviated word",
KEY_NAME(sp, *p));
return (1);
}
if (seq_set(sp, NULL, 0, cmdp->argv[0]->bp, cmdp->argv[0]->len,
cmdp->argv[1]->bp, cmdp->argv[1]->len, SEQ_ABBREV, SEQ_USERDEF))
return (1);
F_SET(sp->gp, G_ABBREV);
return (0);
}
/*
* ex_unabbr -- :unabbreviate key
* Delete an abbreviation.
*/
int
ex_unabbr(sp, ep, cmdp)
SCR *sp;
EXF *ep;
EXCMDARG *cmdp;
{
ARGS *ap;
ap = cmdp->argv[0];
if (!F_ISSET(sp->gp, G_ABBREV) ||
seq_delete(sp, ap->bp, ap->len, SEQ_ABBREV)) {
msgq(sp, M_ERR, "\"%s\" is not an abbreviation", ap->bp);
return (1);
}
return (0);
}
/*
* abbr_save --
* Save the abbreviation sequences to a file.
*/
int
abbr_save(sp, fp)
SCR *sp;
FILE *fp;
{
return (seq_save(sp, fp, "abbreviate ", SEQ_ABBREV));
}