+/*
+ * Parse a formatted manual page.
+ * By necessity, this involves rather crude guesswork.
+ */
+static void
+pformatted(DB *hash, struct buf *buf, struct buf *dbuf,
+ const struct of *of)
+{
+ FILE *stream;
+ char *line, *p;
+ size_t len, plen;
+
+ if (NULL == (stream = fopen(of->fname, "r"))) {
+ perror(of->fname);
+ return;
+ }
+
+ /*
+ * Always use the title derived from the filename up front,
+ * do not even try to find it in the file. This also makes
+ * sure we don't end up with an orphan index record, even if
+ * the file content turns out to be completely unintelligible.
+ */
+
+ buf->len = 0;
+ buf_append(buf, of->title);
+ hash_put(hash, buf, TYPE_Nm);
+
+ while (NULL != (line = fgetln(stream, &len)) && '\n' != *line)
+ /* Skip to first blank line. */ ;
+
+ while (NULL != (line = fgetln(stream, &len)) &&
+ ('\n' == *line || ' ' == *line))
+ /* Skip to first section header. */ ;
+
+ /*
+ * If no page content can be found,
+ * reuse the page title as the page description.
+ */
+
+ if (NULL == (line = fgetln(stream, &len))) {
+ buf_appendb(dbuf, buf->cp, buf->size);
+ hash_put(hash, buf, TYPE_Nd);
+ fclose(stream);
+ return;
+ }
+ fclose(stream);
+
+ /*
+ * If there is a dash, skip to the text following it.
+ */
+
+ for (p = line, plen = len; plen; p++, plen--)
+ if ('-' == *p)
+ break;
+ for ( ; plen; p++, plen--)
+ if ('-' != *p && ' ' != *p && 8 != *p)
+ break;
+ if (0 == plen) {
+ p = line;
+ plen = len;
+ }
+
+ /*
+ * Copy the rest of the line, but no more than 70 bytes.
+ */
+
+ if (70 < plen)
+ plen = 70;
+ p[plen-1] = '\0';
+ buf_appendb(dbuf, p, plen);
+ buf->len = 0;
+ buf_appendb(buf, p, plen);
+ hash_put(hash, buf, TYPE_Nd);
+}
+
git.ckatri.com / mandoc.git / blobdiff