usr.sbin/makefs: Add -o c|C option to specify comp|check type
[dragonfly.git] / contrib / mdocml / demandoc.c
blob57d0cc5f4120dee213091c638803161c87948ea2
1 /* $Id: demandoc.c,v 1.33 2019/03/03 11:01:15 schwarze Exp $ */
2 /*
3 * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include "config.h"
19 #include <sys/types.h>
21 #include <assert.h>
22 #include <ctype.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <unistd.h>
28 #include "mandoc.h"
29 #include "roff.h"
30 #include "man.h"
31 #include "mdoc.h"
32 #include "mandoc_parse.h"
34 static void pline(int, int *, int *, int);
35 static void pman(const struct roff_node *, int *, int *, int);
36 static void pmandoc(struct mparse *, int, const char *, int);
37 static void pmdoc(const struct roff_node *, int *, int *, int);
38 static void pstring(const char *, int, int *, int);
39 static void usage(void);
41 static const char *progname;
43 int
44 main(int argc, char *argv[])
46 struct mparse *mp;
47 int ch, fd, i, list;
48 extern int optind;
50 if (argc < 1)
51 progname = "demandoc";
52 else if ((progname = strrchr(argv[0], '/')) == NULL)
53 progname = argv[0];
54 else
55 ++progname;
57 mp = NULL;
58 list = 0;
60 while (-1 != (ch = getopt(argc, argv, "ikm:pw")))
61 switch (ch) {
62 case ('i'):
63 /* FALLTHROUGH */
64 case ('k'):
65 /* FALLTHROUGH */
66 case ('m'):
67 /* FALLTHROUGH */
68 case ('p'):
69 break;
70 case ('w'):
71 list = 1;
72 break;
73 default:
74 usage();
75 return (int)MANDOCLEVEL_BADARG;
78 argc -= optind;
79 argv += optind;
81 mchars_alloc();
82 mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 |
83 MPARSE_VALIDATE, MANDOC_OS_OTHER, NULL);
84 assert(mp);
86 if (argc < 1)
87 pmandoc(mp, STDIN_FILENO, "<stdin>", list);
89 for (i = 0; i < argc; i++) {
90 mparse_reset(mp);
91 if ((fd = mparse_open(mp, argv[i])) == -1) {
92 perror(argv[i]);
93 continue;
95 pmandoc(mp, fd, argv[i], list);
98 mparse_free(mp);
99 mchars_free();
100 return (int)MANDOCLEVEL_OK;
103 static void
104 usage(void)
107 fprintf(stderr, "usage: %s [-w] [files...]\n", progname);
110 static void
111 pmandoc(struct mparse *mp, int fd, const char *fn, int list)
113 struct roff_meta *meta;
114 int line, col;
116 mparse_readfd(mp, fd, fn);
117 close(fd);
118 meta = mparse_result(mp);
119 line = 1;
120 col = 0;
122 if (meta->macroset == MACROSET_MDOC)
123 pmdoc(meta->first->child, &line, &col, list);
124 else
125 pman(meta->first->child, &line, &col, list);
127 if ( ! list)
128 putchar('\n');
132 * Strip the escapes out of a string, emitting the results.
134 static void
135 pstring(const char *p, int col, int *colp, int list)
137 enum mandoc_esc esc;
138 const char *start, *end;
139 int emit;
142 * Print as many column spaces til we achieve parity with the
143 * input document.
146 again:
147 if (list && '\0' != *p) {
148 while (isspace((unsigned char)*p))
149 p++;
151 while ('\'' == *p || '(' == *p || '"' == *p)
152 p++;
154 emit = isalpha((unsigned char)p[0]) &&
155 isalpha((unsigned char)p[1]);
157 for (start = p; '\0' != *p; p++)
158 if ('\\' == *p) {
159 p++;
160 esc = mandoc_escape(&p, NULL, NULL);
161 if (ESCAPE_ERROR == esc)
162 return;
163 emit = 0;
164 } else if (isspace((unsigned char)*p))
165 break;
167 end = p - 1;
169 while (end > start)
170 if ('.' == *end || ',' == *end ||
171 '\'' == *end || '"' == *end ||
172 ')' == *end || '!' == *end ||
173 '?' == *end || ':' == *end ||
174 ';' == *end)
175 end--;
176 else
177 break;
179 if (emit && end - start >= 1) {
180 for ( ; start <= end; start++)
181 if (ASCII_HYPH == *start)
182 putchar('-');
183 else
184 putchar((unsigned char)*start);
185 putchar('\n');
188 if (isspace((unsigned char)*p))
189 goto again;
191 return;
194 while (*colp < col) {
195 putchar(' ');
196 (*colp)++;
200 * Print the input word, skipping any special characters.
202 while ('\0' != *p)
203 if ('\\' == *p) {
204 p++;
205 esc = mandoc_escape(&p, NULL, NULL);
206 if (ESCAPE_ERROR == esc)
207 break;
208 } else {
209 putchar((unsigned char )*p++);
210 (*colp)++;
214 static void
215 pline(int line, int *linep, int *col, int list)
218 if (list)
219 return;
222 * Print out as many lines as needed to reach parity with the
223 * original input.
226 while (*linep < line) {
227 putchar('\n');
228 (*linep)++;
231 *col = 0;
234 static void
235 pmdoc(const struct roff_node *p, int *line, int *col, int list)
238 for ( ; p; p = p->next) {
239 if (NODE_LINE & p->flags)
240 pline(p->line, line, col, list);
241 if (ROFFT_TEXT == p->type)
242 pstring(p->string, p->pos, col, list);
243 if (p->child)
244 pmdoc(p->child, line, col, list);
248 static void
249 pman(const struct roff_node *p, int *line, int *col, int list)
252 for ( ; p; p = p->next) {
253 if (NODE_LINE & p->flags)
254 pline(p->line, line, col, list);
255 if (ROFFT_TEXT == p->type)
256 pstring(p->string, p->pos, col, list);
257 if (p->child)
258 pman(p->child, line, col, list);