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mdoc_validate.c
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mdoc_validate.c
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/* $Id: mdoc_validate.c,v 1.169 2011/04/30 10:18:24 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef OSNAME
#include <sys/utsname.h>
#endif
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "mdoc.h"
#include "mandoc.h"
#include "libmdoc.h"
#include "libmandoc.h"
/* FIXME: .Bl -diag can't have non-text children in HEAD. */
#define PRE_ARGS struct mdoc *mdoc, struct mdoc_node *n
#define POST_ARGS struct mdoc *mdoc
#define NUMSIZ 32
#define DATESIZE 32
enum check_ineq {
CHECK_LT,
CHECK_GT,
CHECK_EQ
};
enum check_lvl {
CHECK_WARN,
CHECK_ERROR,
};
typedef int (*v_pre)(PRE_ARGS);
typedef int (*v_post)(POST_ARGS);
struct valids {
v_pre *pre;
v_post *post;
};
static int check_count(struct mdoc *, enum mdoc_type,
enum check_lvl, enum check_ineq, int);
static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
static void check_text(struct mdoc *, int, int, char *);
static void check_argv(struct mdoc *,
struct mdoc_node *, struct mdoc_argv *);
static void check_args(struct mdoc *, struct mdoc_node *);
static int concat(struct mdoc *, char *,
const struct mdoc_node *, size_t);
static enum mdoc_sec a2sec(const char *);
static size_t macro2len(enum mdoct);
static int ebool(POST_ARGS);
static int berr_ge1(POST_ARGS);
static int bwarn_ge1(POST_ARGS);
static int ewarn_eq0(POST_ARGS);
static int ewarn_eq1(POST_ARGS);
static int ewarn_ge1(POST_ARGS);
static int ewarn_le1(POST_ARGS);
static int hwarn_eq0(POST_ARGS);
static int hwarn_eq1(POST_ARGS);
static int hwarn_ge1(POST_ARGS);
static int hwarn_le1(POST_ARGS);
static int post_an(POST_ARGS);
static int post_at(POST_ARGS);
static int post_bf(POST_ARGS);
static int post_bl(POST_ARGS);
static int post_bl_block(POST_ARGS);
static int post_bl_block_width(POST_ARGS);
static int post_bl_block_tag(POST_ARGS);
static int post_bl_head(POST_ARGS);
static int post_bx(POST_ARGS);
static int post_dd(POST_ARGS);
static int post_dt(POST_ARGS);
static int post_defaults(POST_ARGS);
static int post_literal(POST_ARGS);
static int post_eoln(POST_ARGS);
static int post_it(POST_ARGS);
static int post_lb(POST_ARGS);
static int post_nm(POST_ARGS);
static int post_ns(POST_ARGS);
static int post_os(POST_ARGS);
static int post_ignpar(POST_ARGS);
static int post_prol(POST_ARGS);
static int post_root(POST_ARGS);
static int post_rs(POST_ARGS);
static int post_sh(POST_ARGS);
static int post_sh_body(POST_ARGS);
static int post_sh_head(POST_ARGS);
static int post_st(POST_ARGS);
static int post_std(POST_ARGS);
static int post_vt(POST_ARGS);
static int pre_an(PRE_ARGS);
static int pre_bd(PRE_ARGS);
static int pre_bl(PRE_ARGS);
static int pre_dd(PRE_ARGS);
static int pre_display(PRE_ARGS);
static int pre_dt(PRE_ARGS);
static int pre_it(PRE_ARGS);
static int pre_literal(PRE_ARGS);
static int pre_os(PRE_ARGS);
static int pre_par(PRE_ARGS);
static int pre_sh(PRE_ARGS);
static int pre_ss(PRE_ARGS);
static int pre_std(PRE_ARGS);
static v_post posts_an[] = { post_an, NULL };
static v_post posts_at[] = { post_at, post_defaults, NULL };
static v_post posts_bd[] = { post_literal, hwarn_eq0, bwarn_ge1, NULL };
static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
static v_post posts_bk[] = { hwarn_eq0, bwarn_ge1, NULL };
static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
static v_post posts_bx[] = { post_bx, NULL };
static v_post posts_bool[] = { ebool, NULL };
static v_post posts_eoln[] = { post_eoln, NULL };
static v_post posts_defaults[] = { post_defaults, NULL };
static v_post posts_dd[] = { post_dd, post_prol, NULL };
static v_post posts_dl[] = { post_literal, bwarn_ge1, NULL };
static v_post posts_dt[] = { post_dt, post_prol, NULL };
static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
static v_post posts_it[] = { post_it, NULL };
static v_post posts_lb[] = { post_lb, NULL };
static v_post posts_nd[] = { berr_ge1, NULL };
static v_post posts_nm[] = { post_nm, NULL };
static v_post posts_notext[] = { ewarn_eq0, NULL };
static v_post posts_ns[] = { post_ns, NULL };
static v_post posts_os[] = { post_os, post_prol, NULL };
static v_post posts_rs[] = { post_rs, NULL };
static v_post posts_sh[] = { post_ignpar, hwarn_ge1, post_sh, NULL };
static v_post posts_sp[] = { ewarn_le1, NULL };
static v_post posts_ss[] = { post_ignpar, hwarn_ge1, NULL };
static v_post posts_st[] = { post_st, NULL };
static v_post posts_std[] = { post_std, NULL };
static v_post posts_text[] = { ewarn_ge1, NULL };
static v_post posts_text1[] = { ewarn_eq1, NULL };
static v_post posts_vt[] = { post_vt, NULL };
static v_post posts_wline[] = { bwarn_ge1, NULL };
static v_pre pres_an[] = { pre_an, NULL };
static v_pre pres_bd[] = { pre_display, pre_bd, pre_literal, pre_par, NULL };
static v_pre pres_bl[] = { pre_bl, pre_par, NULL };
static v_pre pres_d1[] = { pre_display, NULL };
static v_pre pres_dl[] = { pre_literal, pre_display, NULL };
static v_pre pres_dd[] = { pre_dd, NULL };
static v_pre pres_dt[] = { pre_dt, NULL };
static v_pre pres_er[] = { NULL, NULL };
static v_pre pres_fd[] = { NULL, NULL };
static v_pre pres_it[] = { pre_it, pre_par, NULL };
static v_pre pres_os[] = { pre_os, NULL };
static v_pre pres_pp[] = { pre_par, NULL };
static v_pre pres_sh[] = { pre_sh, NULL };
static v_pre pres_ss[] = { pre_ss, NULL };
static v_pre pres_std[] = { pre_std, NULL };
static const struct valids mdoc_valids[MDOC_MAX] = {
{ NULL, NULL }, /* Ap */
{ pres_dd, posts_dd }, /* Dd */
{ pres_dt, posts_dt }, /* Dt */
{ pres_os, posts_os }, /* Os */
{ pres_sh, posts_sh }, /* Sh */
{ pres_ss, posts_ss }, /* Ss */
{ pres_pp, posts_notext }, /* Pp */
{ pres_d1, posts_wline }, /* D1 */
{ pres_dl, posts_dl }, /* Dl */
{ pres_bd, posts_bd }, /* Bd */
{ NULL, NULL }, /* Ed */
{ pres_bl, posts_bl }, /* Bl */
{ NULL, NULL }, /* El */
{ pres_it, posts_it }, /* It */
{ NULL, NULL }, /* Ad */
{ pres_an, posts_an }, /* An */
{ NULL, posts_defaults }, /* Ar */
{ NULL, NULL }, /* Cd */
{ NULL, NULL }, /* Cm */
{ NULL, NULL }, /* Dv */
{ pres_er, NULL }, /* Er */
{ NULL, NULL }, /* Ev */
{ pres_std, posts_std }, /* Ex */
{ NULL, NULL }, /* Fa */
{ pres_fd, posts_text }, /* Fd */
{ NULL, NULL }, /* Fl */
{ NULL, NULL }, /* Fn */
{ NULL, NULL }, /* Ft */
{ NULL, NULL }, /* Ic */
{ NULL, posts_text1 }, /* In */
{ NULL, posts_defaults }, /* Li */
{ NULL, posts_nd }, /* Nd */
{ NULL, posts_nm }, /* Nm */
{ NULL, NULL }, /* Op */
{ NULL, NULL }, /* Ot */
{ NULL, posts_defaults }, /* Pa */
{ pres_std, posts_std }, /* Rv */
{ NULL, posts_st }, /* St */
{ NULL, NULL }, /* Va */
{ NULL, posts_vt }, /* Vt */
{ NULL, posts_text }, /* Xr */
{ NULL, posts_text }, /* %A */
{ NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
{ NULL, posts_text }, /* %D */
{ NULL, posts_text }, /* %I */
{ NULL, posts_text }, /* %J */
{ NULL, posts_text }, /* %N */
{ NULL, posts_text }, /* %O */
{ NULL, posts_text }, /* %P */
{ NULL, posts_text }, /* %R */
{ NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
{ NULL, posts_text }, /* %V */
{ NULL, NULL }, /* Ac */
{ NULL, NULL }, /* Ao */
{ NULL, NULL }, /* Aq */
{ NULL, posts_at }, /* At */
{ NULL, NULL }, /* Bc */
{ NULL, posts_bf }, /* Bf */
{ NULL, NULL }, /* Bo */
{ NULL, NULL }, /* Bq */
{ NULL, NULL }, /* Bsx */
{ NULL, posts_bx }, /* Bx */
{ NULL, posts_bool }, /* Db */
{ NULL, NULL }, /* Dc */
{ NULL, NULL }, /* Do */
{ NULL, NULL }, /* Dq */
{ NULL, NULL }, /* Ec */
{ NULL, NULL }, /* Ef */
{ NULL, NULL }, /* Em */
{ NULL, NULL }, /* Eo */
{ NULL, NULL }, /* Fx */
{ NULL, NULL }, /* Ms */
{ NULL, posts_notext }, /* No */
{ NULL, posts_ns }, /* Ns */
{ NULL, NULL }, /* Nx */
{ NULL, NULL }, /* Ox */
{ NULL, NULL }, /* Pc */
{ NULL, posts_text1 }, /* Pf */
{ NULL, NULL }, /* Po */
{ NULL, NULL }, /* Pq */
{ NULL, NULL }, /* Qc */
{ NULL, NULL }, /* Ql */
{ NULL, NULL }, /* Qo */
{ NULL, NULL }, /* Qq */
{ NULL, NULL }, /* Re */
{ NULL, posts_rs }, /* Rs */
{ NULL, NULL }, /* Sc */
{ NULL, NULL }, /* So */
{ NULL, NULL }, /* Sq */
{ NULL, posts_bool }, /* Sm */
{ NULL, NULL }, /* Sx */
{ NULL, NULL }, /* Sy */
{ NULL, NULL }, /* Tn */
{ NULL, NULL }, /* Ux */
{ NULL, NULL }, /* Xc */
{ NULL, NULL }, /* Xo */
{ NULL, posts_fo }, /* Fo */
{ NULL, NULL }, /* Fc */
{ NULL, NULL }, /* Oo */
{ NULL, NULL }, /* Oc */
{ NULL, posts_bk }, /* Bk */
{ NULL, NULL }, /* Ek */
{ NULL, posts_eoln }, /* Bt */
{ NULL, NULL }, /* Hf */
{ NULL, NULL }, /* Fr */
{ NULL, posts_eoln }, /* Ud */
{ NULL, posts_lb }, /* Lb */
{ NULL, posts_notext }, /* Lp */
{ NULL, NULL }, /* Lk */
{ NULL, posts_defaults }, /* Mt */
{ NULL, NULL }, /* Brq */
{ NULL, NULL }, /* Bro */
{ NULL, NULL }, /* Brc */
{ NULL, posts_text }, /* %C */
{ NULL, NULL }, /* Es */
{ NULL, NULL }, /* En */
{ NULL, NULL }, /* Dx */
{ NULL, posts_text }, /* %Q */
{ NULL, posts_notext }, /* br */
{ pres_pp, posts_sp }, /* sp */
{ NULL, posts_text1 }, /* %U */
{ NULL, NULL }, /* Ta */
};
#define RSORD_MAX 14 /* Number of `Rs' blocks. */
static const enum mdoct rsord[RSORD_MAX] = {
MDOC__A,
MDOC__T,
MDOC__B,
MDOC__I,
MDOC__J,
MDOC__R,
MDOC__N,
MDOC__V,
MDOC__P,
MDOC__Q,
MDOC__D,
MDOC__O,
MDOC__C,
MDOC__U
};
static const char * const secnames[SEC__MAX] = {
NULL,
"NAME",
"LIBRARY",
"SYNOPSIS",
"DESCRIPTION",
"IMPLEMENTATION NOTES",
"RETURN VALUES",
"ENVIRONMENT",
"FILES",
"EXIT STATUS",
"EXAMPLES",
"DIAGNOSTICS",
"COMPATIBILITY",
"ERRORS",
"SEE ALSO",
"STANDARDS",
"HISTORY",
"AUTHORS",
"CAVEATS",
"BUGS",
"SECURITY CONSIDERATIONS",
NULL
};
int
mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
{
v_pre *p;
int line, pos;
char *tp;
switch (n->type) {
case (MDOC_TEXT):
tp = n->string;
line = n->line;
pos = n->pos;
check_text(mdoc, line, pos, tp);
/* FALLTHROUGH */
case (MDOC_TBL):
/* FALLTHROUGH */
case (MDOC_EQN):
/* FALLTHROUGH */
case (MDOC_ROOT):
return(1);
default:
break;
}
check_args(mdoc, n);
if (NULL == mdoc_valids[n->tok].pre)
return(1);
for (p = mdoc_valids[n->tok].pre; *p; p++)
if ( ! (*p)(mdoc, n))
return(0);
return(1);
}
int
mdoc_valid_post(struct mdoc *mdoc)
{
v_post *p;
if (MDOC_VALID & mdoc->last->flags)
return(1);
mdoc->last->flags |= MDOC_VALID;
switch (mdoc->last->type) {
case (MDOC_TEXT):
/* FALLTHROUGH */
case (MDOC_EQN):
/* FALLTHROUGH */
case (MDOC_TBL):
return(1);
case (MDOC_ROOT):
return(post_root(mdoc));
default:
break;
}
if (NULL == mdoc_valids[mdoc->last->tok].post)
return(1);
for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
if ( ! (*p)(mdoc))
return(0);
return(1);
}
static int
check_count(struct mdoc *m, enum mdoc_type type,
enum check_lvl lvl, enum check_ineq ineq, int val)
{
const char *p;
enum mandocerr t;
if (m->last->type != type)
return(1);
switch (ineq) {
case (CHECK_LT):
p = "less than ";
if (m->last->nchild < val)
return(1);
break;
case (CHECK_GT):
p = "more than ";
if (m->last->nchild > val)
return(1);
break;
case (CHECK_EQ):
p = "";
if (val == m->last->nchild)
return(1);
break;
default:
abort();
/* NOTREACHED */
}
t = lvl == CHECK_WARN ? MANDOCERR_ARGCWARN : MANDOCERR_ARGCOUNT;
mandoc_vmsg(t, m->parse, m->last->line, m->last->pos,
"want %s%d children (have %d)",
p, val, m->last->nchild);
return(1);
}
static int
berr_ge1(POST_ARGS)
{
return(check_count(mdoc, MDOC_BODY, CHECK_ERROR, CHECK_GT, 0));
}
static int
bwarn_ge1(POST_ARGS)
{
return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0));
}
static int
ewarn_eq0(POST_ARGS)
{
return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0));
}
static int
ewarn_eq1(POST_ARGS)
{
return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1));
}
static int
ewarn_ge1(POST_ARGS)
{
return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0));
}
static int
ewarn_le1(POST_ARGS)
{
return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_LT, 2));
}
static int
hwarn_eq0(POST_ARGS)
{
return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0));
}
static int
hwarn_eq1(POST_ARGS)
{
return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1));
}
static int
hwarn_ge1(POST_ARGS)
{
return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_GT, 0));
}
static int
hwarn_le1(POST_ARGS)
{
return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_LT, 2));
}
static void
check_args(struct mdoc *m, struct mdoc_node *n)
{
int i;
if (NULL == n->args)
return;
assert(n->args->argc);
for (i = 0; i < (int)n->args->argc; i++)
check_argv(m, n, &n->args->argv[i]);
}
static void
check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)
{
int i;
for (i = 0; i < (int)v->sz; i++)
check_text(m, v->line, v->pos, v->value[i]);
/* FIXME: move to post_std(). */
if (MDOC_Std == v->arg)
if ( ! (v->sz || m->meta.name))
mdoc_nmsg(m, n, MANDOCERR_NONAME);
}
static void
check_text(struct mdoc *m, int ln, int pos, char *p)
{
char *cpp, *pp;
size_t sz;
while ('\0' != *p) {
sz = strcspn(p, "\t\\");
p += (int)sz;
pos += (int)sz;
if ('\t' == *p) {
if ( ! (MDOC_LITERAL & m->flags))
mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB);
p++;
pos++;
continue;
} else if ('\0' == *p)
break;
pos++;
pp = ++p;
if (ESCAPE_ERROR == mandoc_escape
((const char **)&pp, NULL, NULL)) {
mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
break;
}
cpp = p;
while (NULL != (cpp = memchr(cpp, ASCII_HYPH, pp - cpp)))
*cpp = '-';
pos += pp - p;
p = pp;
}
}
static int
check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
{
assert(n->parent);
if ((MDOC_ROOT == t || tok == n->parent->tok) &&
(t == n->parent->type))
return(1);
mandoc_vmsg(MANDOCERR_SYNTCHILD, mdoc->parse, n->line,
n->pos, "want parent %s", MDOC_ROOT == t ?
"<root>" : mdoc_macronames[tok]);
return(0);
}
static int
pre_display(PRE_ARGS)
{
struct mdoc_node *node;
if (MDOC_BLOCK != n->type)
return(1);
for (node = mdoc->last->parent; node; node = node->parent)
if (MDOC_BLOCK == node->type)
if (MDOC_Bd == node->tok)
break;
if (node)
mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
return(1);
}
static int
pre_bl(PRE_ARGS)
{
int i, comp, dup;
const char *offs, *width;
enum mdoc_list lt;
struct mdoc_node *np;
if (MDOC_BLOCK != n->type) {
if (ENDBODY_NOT != n->end) {
assert(n->pending);
np = n->pending->parent;
} else
np = n->parent;
assert(np);
assert(MDOC_BLOCK == np->type);
assert(MDOC_Bl == np->tok);
return(1);
}
/*
* First figure out which kind of list to use: bind ourselves to
* the first mentioned list type and warn about any remaining
* ones. If we find no list type, we default to LIST_item.
*/
/* LINTED */
for (i = 0; n->args && i < (int)n->args->argc; i++) {
lt = LIST__NONE;
dup = comp = 0;
width = offs = NULL;
switch (n->args->argv[i].arg) {
/* Set list types. */
case (MDOC_Bullet):
lt = LIST_bullet;
break;
case (MDOC_Dash):
lt = LIST_dash;
break;
case (MDOC_Enum):
lt = LIST_enum;
break;
case (MDOC_Hyphen):
lt = LIST_hyphen;
break;
case (MDOC_Item):
lt = LIST_item;
break;
case (MDOC_Tag):
lt = LIST_tag;
break;
case (MDOC_Diag):
lt = LIST_diag;
break;
case (MDOC_Hang):
lt = LIST_hang;
break;
case (MDOC_Ohang):
lt = LIST_ohang;
break;
case (MDOC_Inset):
lt = LIST_inset;
break;
case (MDOC_Column):
lt = LIST_column;
break;
/* Set list arguments. */
case (MDOC_Compact):
dup = n->norm->Bl.comp;
comp = 1;
break;
case (MDOC_Width):
dup = (NULL != n->norm->Bl.width);
width = n->args->argv[i].value[0];
break;
case (MDOC_Offset):
/* NB: this can be empty! */
if (n->args->argv[i].sz) {
offs = n->args->argv[i].value[0];
dup = (NULL != n->norm->Bl.offs);
break;
}
mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
break;
default:
continue;
}
/* Check: duplicate auxiliary arguments. */
if (dup)
mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP);
if (comp && ! dup)
n->norm->Bl.comp = comp;
if (offs && ! dup)
n->norm->Bl.offs = offs;
if (width && ! dup)
n->norm->Bl.width = width;
/* Check: multiple list types. */
if (LIST__NONE != lt && n->norm->Bl.type != LIST__NONE)
mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP);
/* Assign list type. */
if (LIST__NONE != lt && n->norm->Bl.type == LIST__NONE) {
n->norm->Bl.type = lt;
/* Set column information, too. */
if (LIST_column == lt) {
n->norm->Bl.ncols =
n->args->argv[i].sz;
n->norm->Bl.cols = (const char **)
n->args->argv[i].value;
}
}
/* The list type should come first. */
if (n->norm->Bl.type == LIST__NONE)
if (n->norm->Bl.width ||
n->norm->Bl.offs ||
n->norm->Bl.comp)
mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST);
continue;
}
/* Allow lists to default to LIST_item. */
if (LIST__NONE == n->norm->Bl.type) {
mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
n->norm->Bl.type = LIST_item;
}
/*
* Validate the width field. Some list types don't need width
* types and should be warned about them. Others should have it
* and must also be warned.
*/
switch (n->norm->Bl.type) {
case (LIST_tag):
if (n->norm->Bl.width)
break;
mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG);
break;
case (LIST_column):
/* FALLTHROUGH */
case (LIST_diag):
/* FALLTHROUGH */
case (LIST_ohang):
/* FALLTHROUGH */
case (LIST_inset):
/* FALLTHROUGH */
case (LIST_item):
if (n->norm->Bl.width)
mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
break;
default:
break;
}
return(1);
}
static int
pre_bd(PRE_ARGS)
{
int i, dup, comp;
enum mdoc_disp dt;
const char *offs;
struct mdoc_node *np;
if (MDOC_BLOCK != n->type) {
if (ENDBODY_NOT != n->end) {
assert(n->pending);
np = n->pending->parent;
} else
np = n->parent;
assert(np);
assert(MDOC_BLOCK == np->type);
assert(MDOC_Bd == np->tok);
return(1);
}
/* LINTED */
for (i = 0; n->args && i < (int)n->args->argc; i++) {
dt = DISP__NONE;
dup = comp = 0;
offs = NULL;
switch (n->args->argv[i].arg) {
case (MDOC_Centred):
dt = DISP_centred;
break;
case (MDOC_Ragged):
dt = DISP_ragged;
break;
case (MDOC_Unfilled):
dt = DISP_unfilled;
break;
case (MDOC_Filled):
dt = DISP_filled;
break;
case (MDOC_Literal):
dt = DISP_literal;
break;
case (MDOC_File):
mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
return(0);
case (MDOC_Offset):
/* NB: this can be empty! */
if (n->args->argv[i].sz) {
offs = n->args->argv[i].value[0];
dup = (NULL != n->norm->Bd.offs);
break;
}
mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
break;
case (MDOC_Compact):
comp = 1;
dup = n->norm->Bd.comp;
break;
default:
abort();
/* NOTREACHED */
}
/* Check whether we have duplicates. */
if (dup)
mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP);
/* Make our auxiliary assignments. */
if (offs && ! dup)
n->norm->Bd.offs = offs;
if (comp && ! dup)
n->norm->Bd.comp = comp;
/* Check whether a type has already been assigned. */
if (DISP__NONE != dt && n->norm->Bd.type != DISP__NONE)
mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP);
/* Make our type assignment. */
if (DISP__NONE != dt && n->norm->Bd.type == DISP__NONE)
n->norm->Bd.type = dt;
}
if (DISP__NONE == n->norm->Bd.type) {
mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
n->norm->Bd.type = DISP_ragged;
}
return(1);
}
static int
pre_ss(PRE_ARGS)
{
if (MDOC_BLOCK != n->type)
return(1);
return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
}
static int
pre_sh(PRE_ARGS)
{
if (MDOC_BLOCK != n->type)
return(1);
mdoc->regs->regs[(int)REG_nS].set = 0;
return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
}
static int
pre_it(PRE_ARGS)
{
if (MDOC_BLOCK != n->type)
return(1);
return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
}
static int
pre_an(PRE_ARGS)
{
int i;
if (NULL == n->args)
return(1);
for (i = 1; i < (int)n->args->argc; i++)
mdoc_pmsg(mdoc, n->args->argv[i].line,
n->args->argv[i].pos, MANDOCERR_IGNARGV);
if (MDOC_Split == n->args->argv[0].arg)
n->norm->An.auth = AUTH_split;
else if (MDOC_Nosplit == n->args->argv[0].arg)
n->norm->An.auth = AUTH_nosplit;
else
abort();
return(1);
}
static int
pre_std(PRE_ARGS)
{
if (n->args && 1 == n->args->argc)
if (MDOC_Std == n->args->argv[0].arg)
return(1);
mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV);
return(1);
}
static int
pre_dt(PRE_ARGS)
{
if (NULL == mdoc->meta.date || mdoc->meta.os)
mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO);
if (mdoc->meta.title)
mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP);
return(1);
}
static int
pre_os(PRE_ARGS)
{
if (NULL == mdoc->meta.title || NULL == mdoc->meta.date)
mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO);
if (mdoc->meta.os)
mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP);
return(1);
}
static int
pre_dd(PRE_ARGS)
{
if (mdoc->meta.title || mdoc->meta.os)
mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO);
if (mdoc->meta.date)
mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP);
return(1);
}
static int
post_bf(POST_ARGS)
{
struct mdoc_node *np;
enum mdocargt arg;
/*
* Unlike other data pointers, these are "housed" by the HEAD
* element, which contains the goods.