1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "nvgetopt.h"
#include "gen-manpage-opts-helper.h"
static void print_option(const NVGetoptOption *o)
{
char scratch[64], *s;
int j, len;
int italics, bold, omitWhiteSpace;
/* if we are going to need the argument, process it now */
if (o->flags & NVGETOPT_HAS_ARGUMENT) {
if (o->arg_name) {
strcpy(scratch, o->arg_name);
} else {
len = strlen(o->name);
for (j = 0; j < len; j++) scratch[j] = toupper(o->name[j]);
scratch[len] = '\0';
}
}
printf(".TP\n.BI \"");
/* Print the name of the option */
/* XXX We should backslashify the '-' characters in o->name. */
if (isalpha(o->val)) {
/* '\-c' */
printf("\\-%c", o->val);
if (o->flags & NVGETOPT_HAS_ARGUMENT) {
/* ' " "ARG" "' */
printf(" \" \"%s\" \"", scratch);
}
/* ', ' */
printf(", ");
}
/* '\-\-name' */
printf("\\-\\-%s", o->name);
/* '=" "ARG' */
if (o->flags & NVGETOPT_HAS_ARGUMENT) {
printf("=\" \"%s", scratch);
/* '" "' */
if ((o->flags & NVGETOPT_IS_BOOLEAN) ||
(o->flags & NVGETOPT_ALLOW_DISABLE)) {
printf("\" \"");
}
}
/* ', \-\-no\-name' */
if (((o->flags & NVGETOPT_IS_BOOLEAN) &&
!(o->flags & NVGETOPT_HAS_ARGUMENT)) ||
(o->flags & NVGETOPT_ALLOW_DISABLE)) {
printf(", \\-\\-no\\-%s", o->name);
}
printf("\"\n");
/* Print the option description */
/* XXX Each sentence should be on its own line! */
/*
* Print the option description: write each character one at a
* time (ugh) so that we can special-case a few characters:
*
* '&' : toggles italics on and off
* '^' : toggles bold on and off
* '-' : is backslashified: "\-"
*
* Whitespace is omited when italics or bold is on
*/
italics = 0;
bold = 0;
omitWhiteSpace = 0;
for (s = o->description; s && *s; s++) {
switch (*s) {
case '&':
if (italics) {
printf("\n");
} else {
printf("\n.I ");
}
omitWhiteSpace = italics;
italics = !italics;
break;
case '^':
if (bold) {
printf("\n");
} else {
printf("\n.B ");
}
omitWhiteSpace = bold;
bold = !bold;
break;
case '-':
printf("\\-");
omitWhiteSpace = 0;
break;
case ' ':
if (!omitWhiteSpace) {
printf(" ");
}
break;
default:
printf("%c", *s);
omitWhiteSpace = 0;
break;
}
}
printf("\n");
}
void gen_manpage_opts_helper(const NVGetoptOption *options)
{
int i;
int has_advanced_options = 0;
/* Print the "simple" options; i.e. the ones you get with --help. */
printf(".SH OPTIONS\n");
for (i = 0; options[i].name; i++) {
const NVGetoptOption *o = &options[i];
if (!o->description) {
continue;
}
if (!(o->flags & NVGETOPT_HELP_ALWAYS)) {
has_advanced_options = 1;
continue;
}
print_option(o);
}
if (has_advanced_options) {
/*
* If any exist, print the advanced options; i.e., the ones
* you get with --advanced-help
*/
printf(".SH \"ADVANCED OPTIONS\"\n");
for (i = 0; options[i].name; i++) {
const NVGetoptOption *o = &options[i];
if (!o->description) {
continue;
}
if (o->flags & NVGETOPT_HELP_ALWAYS) {
continue;
}
print_option(o);
}
}
}
|
