1 /* $Id: demandoc.c,v 1.27 2016/07/09 15:24:19 schwarze Exp $ */
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.
19 #include <sys/types.h>
33 static void pline(int, int *, int *, int);
34 static void pman(const struct roff_node *, int *, int *, int);
35 static void pmandoc(struct mparse *, int, const char *, int);
36 static void pmdoc(const struct roff_node *, int *, int *, int);
37 static void pstring(const char *, int, int *, int);
38 static void usage(void);
40 static const char *progname;
43 main(int argc, char *argv[])
50 progname = "demandoc";
51 else if ((progname = strrchr(argv[0], '/')) == NULL)
59 while (-1 != (ch = getopt(argc, argv, "ikm:pw")))
74 return (int)MANDOCLEVEL_BADARG;
81 mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, NULL);
85 pmandoc(mp, STDIN_FILENO, "<stdin>", list);
87 for (i = 0; i < argc; i++) {
89 if ((fd = mparse_open(mp, argv[i])) == -1) {
93 pmandoc(mp, fd, argv[i], list);
98 return (int)MANDOCLEVEL_OK;
105 fprintf(stderr, "usage: %s [-w] [files...]\n", progname);
109 pmandoc(struct mparse *mp, int fd, const char *fn, int list)
111 struct roff_man *man;
114 mparse_readfd(mp, fd, fn);
116 mparse_result(mp, &man, NULL);
122 if (man->macroset == MACROSET_MDOC) {
124 pmdoc(man->first->child, &line, &col, list);
127 pman(man->first->child, &line, &col, list);
135 * Strip the escapes out of a string, emitting the results.
138 pstring(const char *p, int col, int *colp, int list)
141 const char *start, *end;
145 * Print as many column spaces til we achieve parity with the
150 if (list && '\0' != *p) {
151 while (isspace((unsigned char)*p))
154 while ('\'' == *p || '(' == *p || '"' == *p)
157 emit = isalpha((unsigned char)p[0]) &&
158 isalpha((unsigned char)p[1]);
160 for (start = p; '\0' != *p; p++)
163 esc = mandoc_escape(&p, NULL, NULL);
164 if (ESCAPE_ERROR == esc)
167 } else if (isspace((unsigned char)*p))
173 if ('.' == *end || ',' == *end ||
174 '\'' == *end || '"' == *end ||
175 ')' == *end || '!' == *end ||
176 '?' == *end || ':' == *end ||
182 if (emit && end - start >= 1) {
183 for ( ; start <= end; start++)
184 if (ASCII_HYPH == *start)
187 putchar((unsigned char)*start);
191 if (isspace((unsigned char)*p))
197 while (*colp < col) {
203 * Print the input word, skipping any special characters.
208 esc = mandoc_escape(&p, NULL, NULL);
209 if (ESCAPE_ERROR == esc)
212 putchar((unsigned char )*p++);
218 pline(int line, int *linep, int *col, int list)
225 * Print out as many lines as needed to reach parity with the
229 while (*linep < line) {
238 pmdoc(const struct roff_node *p, int *line, int *col, int list)
241 for ( ; p; p = p->next) {
242 if (MDOC_LINE & p->flags)
243 pline(p->line, line, col, list);
244 if (ROFFT_TEXT == p->type)
245 pstring(p->string, p->pos, col, list);
247 pmdoc(p->child, line, col, list);
252 pman(const struct roff_node *p, int *line, int *col, int list)
255 for ( ; p; p = p->next) {
256 if (MAN_LINE & p->flags)
257 pline(p->line, line, col, list);
258 if (ROFFT_TEXT == p->type)
259 pstring(p->string, p->pos, col, list);
261 pman(p->child, line, col, list);