GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/vi/build/../ex/ex_abbrev.c Lines: 0 29 0.0 %
Date: 2017-11-13 Branches: 0 29 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: ex_abbrev.c,v 1.9 2016/05/27 09:18:12 martijn Exp $	*/
2
3
/*-
4
 * Copyright (c) 1992, 1993, 1994
5
 *	The Regents of the University of California.  All rights reserved.
6
 * Copyright (c) 1992, 1993, 1994, 1995, 1996
7
 *	Keith Bostic.  All rights reserved.
8
 *
9
 * See the LICENSE file for redistribution information.
10
 */
11
12
#include "config.h"
13
14
#include <sys/types.h>
15
#include <sys/queue.h>
16
#include <sys/time.h>
17
18
#include <bitstring.h>
19
#include <ctype.h>
20
#include <limits.h>
21
#include <stdio.h>
22
#include <stdlib.h>
23
#include <string.h>
24
25
#include "../common/common.h"
26
#include "../vi/vi.h"
27
28
/*
29
 * ex_abbr -- :abbreviate [key replacement]
30
 *	Create an abbreviation or display abbreviations.
31
 *
32
 * PUBLIC: int ex_abbr(SCR *, EXCMD *);
33
 */
34
int
35
ex_abbr(SCR *sp, EXCMD *cmdp)
36
{
37
	CHAR_T *p;
38
	size_t len;
39
40
	switch (cmdp->argc) {
41
	case 0:
42
		if (seq_dump(sp, SEQ_ABBREV, 0) == 0)
43
			msgq(sp, M_INFO, "No abbreviations to display");
44
		return (0);
45
	case 2:
46
		break;
47
	default:
48
		abort();
49
	}
50
51
	/*
52
	 * Check for illegal characters.
53
	 *
54
	 * !!!
55
	 * Another fun one, historically.  See vi/v_ntext.c:txt_abbrev() for
56
	 * details.  The bottom line is that all abbreviations have to end
57
	 * with a "word" character, because it's the transition from word to
58
	 * non-word characters that triggers the test for an abbreviation.  In
59
	 * addition, because of the way the test is done, there can't be any
60
	 * transitions from word to non-word character (or vice-versa) other
61
	 * than between the next-to-last and last characters of the string,
62
	 * and there can't be any <blank> characters.  Warn the user.
63
	 */
64
	if (!inword(cmdp->argv[0]->bp[cmdp->argv[0]->len - 1])) {
65
		msgq(sp, M_ERR,
66
		    "Abbreviations must end with a \"word\" character");
67
			return (1);
68
	}
69
	for (p = cmdp->argv[0]->bp; *p != '\0'; ++p)
70
		if (isblank(p[0])) {
71
			msgq(sp, M_ERR,
72
			    "Abbreviations may not contain tabs or spaces");
73
			return (1);
74
		}
75
	if (cmdp->argv[0]->len > 2)
76
		for (p = cmdp->argv[0]->bp,
77
		    len = cmdp->argv[0]->len - 2; len; --len, ++p)
78
			if (inword(p[0]) != inword(p[1])) {
79
				msgq(sp, M_ERR,
80
"Abbreviations may not mix word/non-word characters, except at the end");
81
				return (1);
82
			}
83
84
	if (seq_set(sp, NULL, 0, cmdp->argv[0]->bp, cmdp->argv[0]->len,
85
	    cmdp->argv[1]->bp, cmdp->argv[1]->len, SEQ_ABBREV, SEQ_USERDEF))
86
		return (1);
87
88
	F_SET(sp->gp, G_ABBREV);
89
	return (0);
90
}
91
92
/*
93
 * ex_unabbr -- :unabbreviate key
94
 *      Delete an abbreviation.
95
 *
96
 * PUBLIC: int ex_unabbr(SCR *, EXCMD *);
97
 */
98
int
99
ex_unabbr(SCR *sp, EXCMD *cmdp)
100
{
101
	ARGS *ap;
102
103
	ap = cmdp->argv[0];
104
	if (!F_ISSET(sp->gp, G_ABBREV) ||
105
	    seq_delete(sp, ap->bp, ap->len, SEQ_ABBREV)) {
106
		msgq_str(sp, M_ERR, ap->bp,
107
		    "\"%s\" is not an abbreviation");
108
		return (1);
109
	}
110
	return (0);
111
}