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[unix-history] / usr.bin / vi / nex / ex_abbrev.c
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AS
1/*-
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char sccsid[] = "@(#)ex_abbrev.c 8.6 (Berkeley) 12/22/93";
36#endif /* not lint */
37
38#include <sys/types.h>
39
40#include <ctype.h>
41
42#include "vi.h"
43#include "seq.h"
44#include "excmd.h"
45
46/*
47 * ex_abbr -- :abbreviate [key replacement]
48 * Create an abbreviation or display abbreviations.
49 */
50int
51ex_abbr(sp, ep, cmdp)
52 SCR *sp;
53 EXF *ep;
54 EXCMDARG *cmdp;
55{
56 switch (cmdp->argc) {
57 case 0:
58 if (seq_dump(sp, SEQ_ABBREV, 0) == 0)
59 msgq(sp, M_INFO, "No abbreviations to display.");
60 return (0);
61 case 2:
62 break;
63 default:
64 abort();
65 }
66
67 if (seq_set(sp, NULL, 0, cmdp->argv[0]->bp, cmdp->argv[0]->len,
68 cmdp->argv[1]->bp, cmdp->argv[1]->len, SEQ_ABBREV, 1))
69 return (1);
70 F_SET(sp->gp, G_ABBREV);
71 return (0);
72}
73
74/*
75 * ex_unabbr -- :unabbreviate key
76 * Delete an abbreviation.
77 */
78int
79ex_unabbr(sp, ep, cmdp)
80 SCR *sp;
81 EXF *ep;
82 EXCMDARG *cmdp;
83{
84 ARGS *ap;
85
86 ap = cmdp->argv[0];
87 if (!F_ISSET(sp->gp, G_ABBREV) ||
88 seq_delete(sp, ap->bp, ap->len, SEQ_ABBREV)) {
89 msgq(sp, M_ERR, "\"%s\" is not an abbreviation.", ap->bp);
90 return (1);
91 }
92 return (0);
93}
94
95/*
96 * abbr_save --
97 * Save the abbreviation sequences to a file.
98 */
99int
100abbr_save(sp, fp)
101 SCR *sp;
102 FILE *fp;
103{
104 return (seq_save(sp, fp, "abbreviate ", SEQ_ABBREV));
105}