diff options
Diffstat (limited to 'mdoc_validate.c')
| -rw-r--r-- | mdoc_validate.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/mdoc_validate.c b/mdoc_validate.c index 68d469b2..23649490 100644 --- a/mdoc_validate.c +++ b/mdoc_validate.c @@ -117,6 +117,7 @@ static int post_rs(POST_ARGS); static int post_sh(POST_ARGS); static int post_sh_head(POST_ARGS); static int post_sh_name(POST_ARGS); +static int post_sh_see_also(POST_ARGS); static int post_sh_authors(POST_ARGS); static int post_st(POST_ARGS); static int post_vt(POST_ARGS); @@ -1856,6 +1857,8 @@ post_sh(POST_ARGS) switch (mdoc->lastsec) { case SEC_NAME: return(post_sh_name(mdoc)); + case SEC_SEE_ALSO: + return(post_sh_see_also(mdoc)); case SEC_AUTHORS: return(post_sh_authors(mdoc)); default: @@ -1905,6 +1908,68 @@ post_sh_name(POST_ARGS) } static int +post_sh_see_also(POST_ARGS) +{ + const struct mdoc_node *n; + const char *name, *sec; + const char *lastname, *lastsec, *lastpunct; + int cmp; + + n = mdoc->last->child; + lastname = lastsec = lastpunct = NULL; + while (n != NULL) { + if (n->tok != MDOC_Xr || n->nchild < 2) + break; + + /* Process one .Xr node. */ + + name = n->child->string; + sec = n->child->next->string; + if (lastsec != NULL) { + if (lastpunct[0] != ',' || lastpunct[1] != '\0') + mandoc_vmsg(MANDOCERR_XR_PUNCT, + mdoc->parse, n->line, n->pos, + "%s before %s(%s)", lastpunct, + name, sec); + cmp = strcmp(lastsec, sec); + if (cmp > 0) + mandoc_vmsg(MANDOCERR_XR_ORDER, + mdoc->parse, n->line, n->pos, + "%s(%s) after %s(%s)", name, + sec, lastname, lastsec); + else if (cmp == 0 && strcmp(lastname, name) > 0) + mandoc_vmsg(MANDOCERR_XR_ORDER, + mdoc->parse, n->line, n->pos, + "%s after %s", name, lastname); + } + lastname = name; + lastsec = sec; + + /* Process the following node. */ + + n = n->next; + if (n == NULL) + break; + if (n->tok == MDOC_Xr) { + lastpunct = "none"; + continue; + } + if (n->type != MDOC_TEXT) + break; + for (name = n->string; *name != '\0'; name++) + if (isalpha((const unsigned char)*name)) + return(1); + lastpunct = n->string; + if (n->next == NULL) + mandoc_vmsg(MANDOCERR_XR_PUNCT, mdoc->parse, + n->line, n->pos, "%s after %s(%s)", + lastpunct, lastname, lastsec); + n = n->next; + } + return(1); +} + +static int child_an(const struct mdoc_node *n) { |