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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/mandoc/tbl_opts.c	Lines:	52	55	94.5 %
Date:	2017-11-13	Branches:	42	47	89.4 %


/*	$OpenBSD: tbl_opts.c,v 1.13 2015/09/26 00:53:15 schwarze Exp $ */
/*
 * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#include <sys/types.h>

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "mandoc.h"
#include "libmandoc.h"
#include "libroff.h"

#define	KEY_DPOINT	0
#define	KEY_DELIM	1
#define	KEY_LINESIZE	2
#define	KEY_TAB		3

struct	tbl_phrase {
	const char	*name;
	int		 key;
};

static	const struct tbl_phrase keys[] = {
	{"decimalpoint", 0},
	{"delim",	 0},
	{"linesize",	 0},
	{"tab",		 0},
	{"allbox",	 TBL_OPT_ALLBOX | TBL_OPT_BOX},
	{"box",		 TBL_OPT_BOX},
	{"frame",	 TBL_OPT_BOX},
	{"center",	 TBL_OPT_CENTRE},
	{"centre",	 TBL_OPT_CENTRE},
	{"doublebox",	 TBL_OPT_DBOX},
	{"doubleframe",  TBL_OPT_DBOX},
	{"expand",	 TBL_OPT_EXPAND},
	{"nokeep",	 TBL_OPT_NOKEEP},
	{"nospaces",	 TBL_OPT_NOSPACE},
	{"nowarn",	 TBL_OPT_NOWARN},
};

#define KEY_MAXKEYS ((int)(sizeof(keys)/sizeof(keys[0])))

static	void	 arg(struct tbl_node *, int, const char *, int *, int);


static void
arg(struct tbl_node *tbl, int ln, const char *p, int *pos, int key)
{
	int		 len, want;

	while (p[*pos] == ' ' || p[*pos] == '\t')
		(*pos)++;

	/* Arguments are enclosed in parentheses. */

	len = 0;
	if (p[*pos] == '(') {
		(*pos)++;
		while (p[*pos + len] != ')')
			len++;
	}

	switch (key) {
	case KEY_DELIM:
		mandoc_vmsg(MANDOCERR_TBLOPT_EQN, tbl->parse,
		    ln, *pos, "%.*s", len, p + *pos);
		want = 2;
		break;
	case KEY_TAB:
		want = 1;
		if (len == want)
			tbl->opts.tab = p[*pos];
		break;
	case KEY_LINESIZE:
		want = 0;
		break;
	case KEY_DPOINT:
		want = 1;
		if (len == want)
			tbl->opts.decimal = p[*pos];
		break;
	default:
		abort();
	}

	if (len == 0)
		mandoc_msg(MANDOCERR_TBLOPT_NOARG,
		    tbl->parse, ln, *pos, keys[key].name);
	else if (want && len != want)
		mandoc_vmsg(MANDOCERR_TBLOPT_ARGSZ,
		    tbl->parse, ln, *pos, "%s want %d have %d",
		    keys[key].name, want, len);

	*pos += len;
	if (p[*pos] == ')')
		(*pos)++;
}

/*
 * Parse one line of options up to the semicolon.
 * Each option can be preceded by blanks and/or commas,
 * and some options are followed by arguments.
 */
void
tbl_option(struct tbl_node *tbl, int ln, const char *p, int *offs)
{
	int		 i, pos, len;

	pos = *offs;
	for (;;) {
		while (p[pos] == ' ' || p[pos] == '\t' || p[pos] == ',')
			pos++;

		if (p[pos] == ';') {
			*offs = pos + 1;
			return;
		}

		/* Parse one option name. */

		len = 0;
		while (isalpha((unsigned char)p[pos + len]))
			len++;

		if (len == 0) {
			mandoc_vmsg(MANDOCERR_TBLOPT_ALPHA,
			    tbl->parse, ln, pos, "%c", p[pos]);
			pos++;
			continue;
		}

		/* Look up the option name. */

		i = 0;
		while (i < KEY_MAXKEYS &&
		    (strncasecmp(p + pos, keys[i].name, len) ||
		     keys[i].name[len] != '\0'))
			i++;

		if (i == KEY_MAXKEYS) {
			mandoc_vmsg(MANDOCERR_TBLOPT_BAD, tbl->parse,
			    ln, pos, "%.*s", len, p + pos);
			pos += len;
			continue;
		}

		/* Handle the option. */

		pos += len;
		if (keys[i].key)
			tbl->opts.opts |= keys[i].key;
		else
			arg(tbl, ln, p, &pos, i);
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: tbl_opts.c,v 1.13 2015/09/26 00:53:15 schwarze Exp $ */
2			/*
3			* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4			* Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18			#include <sys/types.h>
19
20			#include <ctype.h>
21			#include <stdio.h>
22			#include <stdlib.h>
23			#include <string.h>
24
25			#include "mandoc.h"
26			#include "libmandoc.h"
27			#include "libroff.h"
28
29			#define KEY_DPOINT 0
30			#define KEY_DELIM 1
31			#define KEY_LINESIZE 2
32			#define KEY_TAB 3
33
34			struct tbl_phrase {
35			const char *name;
36			int key;
37			};
38
39			static const struct tbl_phrase keys[] = {
40			{"decimalpoint", 0},
41			{"delim", 0},
42			{"linesize", 0},
43			{"tab", 0},
44			{"allbox", TBL_OPT_ALLBOX \| TBL_OPT_BOX},
45			{"box", TBL_OPT_BOX},
46			{"frame", TBL_OPT_BOX},
47			{"center", TBL_OPT_CENTRE},
48			{"centre", TBL_OPT_CENTRE},
49			{"doublebox", TBL_OPT_DBOX},
50			{"doubleframe", TBL_OPT_DBOX},
51			{"expand", TBL_OPT_EXPAND},
52			{"nokeep", TBL_OPT_NOKEEP},
53			{"nospaces", TBL_OPT_NOSPACE},
54			{"nowarn", TBL_OPT_NOWARN},
55			};
56
57			#define KEY_MAXKEYS ((int)(sizeof(keys)/sizeof(keys[0])))
58
59			static void arg(struct tbl_node , int, const char , int *, int);
60
61
62			static void
63			arg(struct tbl_node tbl, int ln, const char p, int *pos, int key)
64			{
65			int len, want;
66
67	✓✓✗✓	8708	while (p[pos] == ' ' \|\| p[pos] == '\t')
68		14	(*pos)++;
69
70			/* Arguments are enclosed in parentheses. */
71
72			len = 0;
73	✓✓	2170	if (p[*pos] == '(') {
74		2164	(*pos)++;
75	✓✓	8680	while (p[*pos + len] != ')')
76		2176	len++;
77			}
78
79	✓✓✗✓ ✗	2170	switch (key) {
80			case KEY_DELIM:
81		12	mandoc_vmsg(MANDOCERR_TBLOPT_EQN, tbl->parse,
82		6	ln, pos, "%.s", len, p + *pos);
83			want = 2;
84		6	break;
85			case KEY_TAB:
86			want = 1;
87	✓✓	2158	if (len == want)
88		2152	tbl->opts.tab = p[*pos];
89			break;
90			case KEY_LINESIZE:
91			want = 0;
92			break;
93			case KEY_DPOINT:
94			want = 1;
95	✗✓	6	if (len == want)
96			tbl->opts.decimal = p[*pos];
97			break;
98			default:
99			abort();
100			}
101
102	✓✓	2170	if (len == 0)
103		6	mandoc_msg(MANDOCERR_TBLOPT_NOARG,
104		6	tbl->parse, ln, *pos, keys[key].name);
105	✓✗✓✓	4328	else if (want && len != want)
106		6	mandoc_vmsg(MANDOCERR_TBLOPT_ARGSZ,
107		6	tbl->parse, ln, *pos, "%s want %d have %d",
108		6	keys[key].name, want, len);
109
110		2170	*pos += len;
111	✓✓	2170	if (p[*pos] == ')')
112		2164	(*pos)++;
113		2170	}
114
115			/*
116			* Parse one line of options up to the semicolon.
117			* Each option can be preceded by blanks and/or commas,
118			* and some options are followed by arguments.
119			*/
120			void
121			tbl_option(struct tbl_node tbl, int ln, const char p, int *offs)
122			{
123		4492	int i, pos, len;
124
125		2246	pos = *offs;
126		6474	for (;;) {
127	✓✓✓✓ ✓✓	29992	while (p[pos] == ' ' \|\| p[pos] == '\t' \|\| p[pos] == ',')
128		2009	pos++;
129
130	✓✓	6486	if (p[pos] == ';') {
131		2246	*offs = pos + 1;
132			return;
133			}
134
135			/* Parse one option name. */
136
137			len = 0;
138	✓✓	47936	while (isalpha((unsigned char)p[pos + len]))
139		19728	len++;
140
141	✓✓	4240	if (len == 0) {
142		6	mandoc_vmsg(MANDOCERR_TBLOPT_ALPHA,
143		6	tbl->parse, ln, pos, "%c", p[pos]);
144		6	pos++;
145		6	continue;
146			}
147
148			/* Look up the option name. */
149
150			i = 0;
151	✓✓✓✓	70398	while (i < KEY_MAXKEYS &&
152	✓✓	27688	(strncasecmp(p + pos, keys[i].name, len) \|\|
153		4228	keys[i].name[len] != '\0'))
154		19232	i++;
155
156	✓✓	4234	if (i == KEY_MAXKEYS) {
157		12	mandoc_vmsg(MANDOCERR_TBLOPT_BAD, tbl->parse,
158		6	ln, pos, "%.*s", len, p + pos);
159		6	pos += len;
160		6	continue;
161			}
162
163			/* Handle the option. */
164
165		4228	pos += len;
166	✓✓	4228	if (keys[i].key)
167		2058	tbl->opts.opts \|= keys[i].key;
168			else
169		2170	arg(tbl, ln, p, &pos, i);
170			}
171		2246	}