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freebsd/contrib/mdocml/mdoc_validate.c

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/* $Id: mdoc_validate.c,v 1.182 2012/03/23 05:50:25 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(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 *cp;
if (MDOC_LITERAL & m->flags)
return;
for (cp = p; NULL != (p = strchr(p, '\t')); p++)
mdoc_pmsg(m, ln, pos + (int)(p - cp), MANDOCERR_BADTAB);
}
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):
/* NB: this can be empty! */
if (n->args->argv[i].sz) {
width = n->args->argv[i].value[0];
dup = (NULL != n->norm->Bl.width);
break;
}
mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
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 = (void *)
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);
roff_regunset(mdoc->roff, REG_nS);
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.
*/
if (MDOC_HEAD != mdoc->last->type) {
if (ENDBODY_NOT != mdoc->last->end) {
assert(mdoc->last->pending);
np = mdoc->last->pending->parent->head;
} else if (MDOC_BLOCK != mdoc->last->type) {
np = mdoc->last->parent->head;
} else
np = mdoc->last->head;
assert(np);
assert(MDOC_HEAD == np->type);
assert(MDOC_Bf == np->tok);
return(1);
}
np = mdoc->last;
assert(MDOC_BLOCK == np->parent->type);
assert(MDOC_Bf == np->parent->tok);
/*
* Cannot have both argument and parameter.
* If neither is specified, let it through with a warning.
*/
if (np->parent->args && np->child) {
mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT);
return(0);
} else if (NULL == np->parent->args && NULL == np->child) {
mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE);
return(1);
}
/* Extract argument into data. */
if (np->parent->args) {
arg = np->parent->args->argv[0].arg;
if (MDOC_Emphasis == arg)
np->norm->Bf.font = FONT_Em;
else if (MDOC_Literal == arg)
np->norm->Bf.font = FONT_Li;
else if (MDOC_Symbolic == arg)
np->norm->Bf.font = FONT_Sy;
else
abort();
return(1);
}
/* Extract parameter into data. */
if (0 == strcmp(np->child->string, "Em"))
np->norm->Bf.font = FONT_Em;
else if (0 == strcmp(np->child->string, "Li"))
np->norm->Bf.font = FONT_Li;
else if (0 == strcmp(np->child->string, "Sy"))
np->norm->Bf.font = FONT_Sy;
else
mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE);
return(1);
}
static int
post_lb(POST_ARGS)
{
const char *p;
char *buf;
size_t sz;
check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1);
assert(mdoc->last->child);
assert(MDOC_TEXT == mdoc->last->child->type);
p = mdoc_a2lib(mdoc->last->child->string);
/* If lookup ok, replace with table value. */
if (p) {
free(mdoc->last->child->string);
mdoc->last->child->string = mandoc_strdup(p);
return(1);
}
/* If not, use "library ``xxxx''. */
sz = strlen(mdoc->last->child->string) +
2 + strlen("\\(lqlibrary\\(rq");
buf = mandoc_malloc(sz);
snprintf(buf, sz, "library \\(lq%s\\(rq",
mdoc->last->child->string);
free(mdoc->last->child->string);
mdoc->last->child->string = buf;
return(1);
}
static int
post_eoln(POST_ARGS)
{
if (mdoc->last->child)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST);
return(1);
}
static int
post_vt(POST_ARGS)
{
const struct mdoc_node *n;
/*
* The Vt macro comes in both ELEM and BLOCK form, both of which
* have different syntaxes (yet more context-sensitive
* behaviour). ELEM types must have a child, which is already
* guaranteed by the in_line parsing routine; BLOCK types,
* specifically the BODY, should only have TEXT children.
*/
if (MDOC_BODY != mdoc->last->type)
return(1);
for (n = mdoc->last->child; n; n = n->next)
if (MDOC_TEXT != n->type)
mdoc_nmsg(mdoc, n, MANDOCERR_CHILD);
return(1);
}
static int
post_nm(POST_ARGS)
{
char buf[BUFSIZ];
int c;
/* If no child specified, make sure we have the meta name. */
if (NULL == mdoc->last->child && NULL == mdoc->meta.name) {
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME);
return(1);
} else if (mdoc->meta.name)
return(1);
/* If no meta name, set it from the child. */
buf[0] = '\0';
if (-1 == (c = concat(buf, mdoc->last->child, BUFSIZ))) {
mdoc_nmsg(mdoc, mdoc->last->child, MANDOCERR_MEM);
return(0);
}
assert(c);
mdoc->meta.name = mandoc_strdup(buf);
return(1);
}
static int
post_literal(POST_ARGS)
{
/*
* The `Dl' (note "el" not "one") and `Bd' macros unset the
* MDOC_LITERAL flag as they leave. Note that `Bd' only sets
* this in literal mode, but it doesn't hurt to just switch it
* off in general since displays can't be nested.
*/
if (MDOC_BODY == mdoc->last->type)
mdoc->flags &= ~MDOC_LITERAL;
return(1);
}
static int
post_defaults(POST_ARGS)
{
struct mdoc_node *nn;
/*
* The `Ar' defaults to "file ..." if no value is provided as an
* argument; the `Mt' and `Pa' macros use "~"; the `Li' just
* gets an empty string.
*/
if (mdoc->last->child)
return(1);
nn = mdoc->last;
mdoc->next = MDOC_NEXT_CHILD;
switch (nn->tok) {
case (MDOC_Ar):
if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "file"))
return(0);
if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "..."))
return(0);
break;
case (MDOC_At):
if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "AT&T"))
return(0);
if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "UNIX"))
return(0);
break;
case (MDOC_Li):
if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, ""))
return(0);
break;
case (MDOC_Pa):
/* FALLTHROUGH */
case (MDOC_Mt):
if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "~"))
return(0);
break;
default:
abort();
/* NOTREACHED */
}
mdoc->last = nn;
return(1);
}
static int
post_at(POST_ARGS)
{
const char *p, *q;
char *buf;
size_t sz;
/*
* If we have a child, look it up in the standard keys. If a
* key exist, use that instead of the child; if it doesn't,
* prefix "AT&T UNIX " to the existing data.
*/
if (NULL == mdoc->last->child)
return(1);
assert(MDOC_TEXT == mdoc->last->child->type);
p = mdoc_a2att(mdoc->last->child->string);
if (p) {
free(mdoc->last->child->string);
mdoc->last->child->string = mandoc_strdup(p);
} else {
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT);
p = "AT&T UNIX ";
q = mdoc->last->child->string;
sz = strlen(p) + strlen(q) + 1;
buf = mandoc_malloc(sz);
strlcpy(buf, p, sz);
strlcat(buf, q, sz);
free(mdoc->last->child->string);
mdoc->last->child->string = buf;
}
return(1);
}
static int
post_an(POST_ARGS)
{
struct mdoc_node *np;
np = mdoc->last;
if (AUTH__NONE == np->norm->An.auth) {
if (0 == np->child)
check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0);
} else if (np->child)
check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0);
return(1);
}
static int
post_it(POST_ARGS)
{
int i, cols;
enum mdoc_list lt;
struct mdoc_node *n, *c;
enum mandocerr er;
if (MDOC_BLOCK != mdoc->last->type)
return(1);
n = mdoc->last->parent->parent;
lt = n->norm->Bl.type;
if (LIST__NONE == lt) {
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
return(1);
}
switch (lt) {
case (LIST_tag):
if (mdoc->last->head->child)
break;
/* FIXME: give this a dummy value. */
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS);
break;
case (LIST_hang):
/* FALLTHROUGH */
case (LIST_ohang):
/* FALLTHROUGH */
case (LIST_inset):
/* FALLTHROUGH */
case (LIST_diag):
if (NULL == mdoc->last->head->child)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS);
break;
case (LIST_bullet):
/* FALLTHROUGH */
case (LIST_dash):
/* FALLTHROUGH */
case (LIST_enum):
/* FALLTHROUGH */
case (LIST_hyphen):
if (NULL == mdoc->last->body->child)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY);
/* FALLTHROUGH */
case (LIST_item):
if (mdoc->last->head->child)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST);
break;
case (LIST_column):
cols = (int)n->norm->Bl.ncols;
assert(NULL == mdoc->last->head->child);
if (NULL == mdoc->last->body->child)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY);
for (i = 0, c = mdoc->last->child; c; c = c->next)
if (MDOC_BODY == c->type)
i++;
if (i < cols)
er = MANDOCERR_ARGCOUNT;
else if (i == cols || i == cols + 1)
break;
else
er = MANDOCERR_SYNTARGCOUNT;
mandoc_vmsg(er, mdoc->parse, mdoc->last->line,
mdoc->last->pos,
"columns == %d (have %d)", cols, i);
return(MANDOCERR_ARGCOUNT == er);
default:
break;
}
return(1);
}
static int
post_bl_block(POST_ARGS)
{
struct mdoc_node *n;
/*
* These are fairly complicated, so we've broken them into two
* functions. post_bl_block_tag() is called when a -tag is
* specified, but no -width (it must be guessed). The second
* when a -width is specified (macro indicators must be
* rewritten into real lengths).
*/
n = mdoc->last;
if (LIST_tag == n->norm->Bl.type &&
NULL == n->norm->Bl.width) {
if ( ! post_bl_block_tag(mdoc))
return(0);
} else if (NULL != n->norm->Bl.width) {
if ( ! post_bl_block_width(mdoc))
return(0);
} else
return(1);
assert(n->norm->Bl.width);
return(1);
}
static int
post_bl_block_width(POST_ARGS)
{
size_t width;
int i;
enum mdoct tok;
struct mdoc_node *n;
char buf[NUMSIZ];
n = mdoc->last;
/*
* Calculate the real width of a list from the -width string,
* which may contain a macro (with a known default width), a
* literal string, or a scaling width.
*
* If the value to -width is a macro, then we re-write it to be
* the macro's width as set in share/tmac/mdoc/doc-common.
*/
if (0 == strcmp(n->norm->Bl.width, "Ds"))
width = 6;
else if (MDOC_MAX == (tok = mdoc_hash_find(n->norm->Bl.width)))
return(1);
else if (0 == (width = macro2len(tok))) {
mdoc_nmsg(mdoc, n, MANDOCERR_BADWIDTH);
return(1);
}
/* The value already exists: free and reallocate it. */
assert(n->args);
for (i = 0; i < (int)n->args->argc; i++)
if (MDOC_Width == n->args->argv[i].arg)
break;
assert(i < (int)n->args->argc);
snprintf(buf, NUMSIZ, "%un", (unsigned int)width);
free(n->args->argv[i].value[0]);
n->args->argv[i].value[0] = mandoc_strdup(buf);
/* Set our width! */
n->norm->Bl.width = n->args->argv[i].value[0];
return(1);
}
static int
post_bl_block_tag(POST_ARGS)
{
struct mdoc_node *n, *nn;
size_t sz, ssz;
int i;
char buf[NUMSIZ];
/*
* Calculate the -width for a `Bl -tag' list if it hasn't been
* provided. Uses the first head macro. NOTE AGAIN: this is
* ONLY if the -width argument has NOT been provided. See
* post_bl_block_width() for converting the -width string.
*/
sz = 10;
n = mdoc->last;
for (nn = n->body->child; nn; nn = nn->next) {
if (MDOC_It != nn->tok)
continue;
assert(MDOC_BLOCK == nn->type);
nn = nn->head->child;
if (nn == NULL)
break;
if (MDOC_TEXT == nn->type) {
sz = strlen(nn->string) + 1;
break;
}
if (0 != (ssz = macro2len(nn->tok)))
sz = ssz;
break;
}
/* Defaults to ten ens. */
snprintf(buf, NUMSIZ, "%un", (unsigned int)sz);
/*
* We have to dynamically add this to the macro's argument list.
* We're guaranteed that a MDOC_Width doesn't already exist.
*/
assert(n->args);
i = (int)(n->args->argc)++;
n->args->argv = mandoc_realloc(n->args->argv,
n->args->argc * sizeof(struct mdoc_argv));
n->args->argv[i].arg = MDOC_Width;
n->args->argv[i].line = n->line;
n->args->argv[i].pos = n->pos;
n->args->argv[i].sz = 1;
n->args->argv[i].value = mandoc_malloc(sizeof(char *));
n->args->argv[i].value[0] = mandoc_strdup(buf);
/* Set our width! */
n->norm->Bl.width = n->args->argv[i].value[0];
return(1);
}
static int
post_bl_head(POST_ARGS)
{
struct mdoc_node *np, *nn, *nnp;
int i, j;
if (LIST_column != mdoc->last->norm->Bl.type)
/* FIXME: this should be ERROR class... */
return(hwarn_eq0(mdoc));
/*
* Convert old-style lists, where the column width specifiers
* trail as macro parameters, to the new-style ("normal-form")
* lists where they're argument values following -column.
*/
/* First, disallow both types and allow normal-form. */
/*
* TODO: technically, we can accept both and just merge the two
* lists, but I'll leave that for another day.
*/
if (mdoc->last->norm->Bl.ncols && mdoc->last->nchild) {
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_COLUMNS);
return(0);
} else if (NULL == mdoc->last->child)
return(1);
np = mdoc->last->parent;
assert(np->args);
for (j = 0; j < (int)np->args->argc; j++)
if (MDOC_Column == np->args->argv[j].arg)
break;
assert(j < (int)np->args->argc);
assert(0 == np->args->argv[j].sz);
/*
* Accommodate for new-style groff column syntax. Shuffle the
* child nodes, all of which must be TEXT, as arguments for the
* column field. Then, delete the head children.
*/
np->args->argv[j].sz = (size_t)mdoc->last->nchild;
np->args->argv[j].value = mandoc_malloc
((size_t)mdoc->last->nchild * sizeof(char *));
mdoc->last->norm->Bl.ncols = np->args->argv[j].sz;
mdoc->last->norm->Bl.cols = (void *)np->args->argv[j].value;
for (i = 0, nn = mdoc->last->child; nn; i++) {
np->args->argv[j].value[i] = nn->string;
nn->string = NULL;
nnp = nn;
nn = nn->next;
mdoc_node_delete(NULL, nnp);
}
mdoc->last->nchild = 0;
mdoc->last->child = NULL;
return(1);
}
static int
post_bl(POST_ARGS)
{
struct mdoc_node *n;
if (MDOC_HEAD == mdoc->last->type)
return(post_bl_head(mdoc));
if (MDOC_BLOCK == mdoc->last->type)
return(post_bl_block(mdoc));
if (MDOC_BODY != mdoc->last->type)
return(1);
for (n = mdoc->last->child; n; n = n->next) {
switch (n->tok) {
case (MDOC_Lp):
/* FALLTHROUGH */
case (MDOC_Pp):
mdoc_nmsg(mdoc, n, MANDOCERR_CHILD);
/* FALLTHROUGH */
case (MDOC_It):
/* FALLTHROUGH */
case (MDOC_Sm):
continue;
default:
break;
}
mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
return(0);
}
return(1);
}
static int
ebool(struct mdoc *mdoc)
{
if (NULL == mdoc->last->child) {
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_MACROEMPTY);
mdoc_node_delete(mdoc, mdoc->last);
return(1);
}
check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1);
assert(MDOC_TEXT == mdoc->last->child->type);
if (0 == strcmp(mdoc->last->child->string, "on"))
return(1);
if (0 == strcmp(mdoc->last->child->string, "off"))
return(1);
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADBOOL);
return(1);
}
static int
post_root(POST_ARGS)
{
int erc;
struct mdoc_node *n;
erc = 0;
/* Check that we have a finished prologue. */
if ( ! (MDOC_PBODY & mdoc->flags)) {
erc++;
mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
}
n = mdoc->first;
assert(n);
/* Check that we begin with a proper `Sh'. */
if (NULL == n->child) {
erc++;
mdoc_nmsg(mdoc, n, MANDOCERR_NODOCBODY);
} else if (MDOC_BLOCK != n->child->type ||
MDOC_Sh != n->child->tok) {
erc++;
/* Can this be lifted? See rxdebug.1 for example. */
mdoc_nmsg(mdoc, n, MANDOCERR_NODOCBODY);
}
return(erc ? 0 : 1);
}
static int
post_st(POST_ARGS)
{
struct mdoc_node *ch;
const char *p;
if (NULL == (ch = mdoc->last->child)) {
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_MACROEMPTY);
mdoc_node_delete(mdoc, mdoc->last);
return(1);
}
assert(MDOC_TEXT == ch->type);
if (NULL == (p = mdoc_a2st(ch->string))) {
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD);
mdoc_node_delete(mdoc, mdoc->last);
} else {
free(ch->string);
ch->string = mandoc_strdup(p);
}
return(1);
}
static int
post_rs(POST_ARGS)
{
struct mdoc_node *nn, *next, *prev;
int i, j;
switch (mdoc->last->type) {
case (MDOC_HEAD):
check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0);
return(1);
case (MDOC_BODY):
if (mdoc->last->child)
break;
check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0);
return(1);
default:
return(1);
}
/*
* Make sure only certain types of nodes are allowed within the
* the `Rs' body. Delete offending nodes and raise a warning.
* Do this before re-ordering for the sake of clarity.
*/
next = NULL;
for (nn = mdoc->last->child; nn; nn = next) {
for (i = 0; i < RSORD_MAX; i++)
if (nn->tok == rsord[i])
break;
if (i < RSORD_MAX) {
if (MDOC__J == rsord[i] || MDOC__B == rsord[i])
mdoc->last->norm->Rs.quote_T++;
next = nn->next;
continue;
}
next = nn->next;
mdoc_nmsg(mdoc, nn, MANDOCERR_CHILD);
mdoc_node_delete(mdoc, nn);
}
/*
* Nothing to sort if only invalid nodes were found
* inside the `Rs' body.
*/
if (NULL == mdoc->last->child)
return(1);
/*
* The full `Rs' block needs special handling to order the
* sub-elements according to `rsord'. Pick through each element
* and correctly order it. This is a insertion sort.
*/
next = NULL;
for (nn = mdoc->last->child->next; nn; nn = next) {
/* Determine order of `nn'. */
for (i = 0; i < RSORD_MAX; i++)
if (rsord[i] == nn->tok)
break;
/*
* Remove `nn' from the chain. This somewhat
* repeats mdoc_node_unlink(), but since we're
* just re-ordering, there's no need for the
* full unlink process.
*/
if (NULL != (next = nn->next))
next->prev = nn->prev;
if (NULL != (prev = nn->prev))
prev->next = nn->next;
nn->prev = nn->next = NULL;
/*
* Scan back until we reach a node that's
* ordered before `nn'.
*/
for ( ; prev ; prev = prev->prev) {
/* Determine order of `prev'. */
for (j = 0; j < RSORD_MAX; j++)
if (rsord[j] == prev->tok)
break;
if (j <= i)
break;
}
/*
* Set `nn' back into its correct place in front
* of the `prev' node.
*/
nn->prev = prev;
if (prev) {
if (prev->next)
prev->next->prev = nn;
nn->next = prev->next;
prev->next = nn;
} else {
mdoc->last->child->prev = nn;
nn->next = mdoc->last->child;
mdoc->last->child = nn;
}
}
return(1);
}
static int
post_ns(POST_ARGS)
{
if (MDOC_LINE & mdoc->last->flags)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNNS);
return(1);
}
static int
post_sh(POST_ARGS)
{
if (MDOC_HEAD == mdoc->last->type)
return(post_sh_head(mdoc));
if (MDOC_BODY == mdoc->last->type)
return(post_sh_body(mdoc));
return(1);
}
static int
post_sh_body(POST_ARGS)
{
struct mdoc_node *n;
if (SEC_NAME != mdoc->lastsec)
return(1);
/*
* Warn if the NAME section doesn't contain the `Nm' and `Nd'
* macros (can have multiple `Nm' and one `Nd'). Note that the
* children of the BODY declaration can also be "text".
*/
if (NULL == (n = mdoc->last->child)) {
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC);
return(1);
}
for ( ; n && n->next; n = n->next) {
if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
continue;
if (MDOC_TEXT == n->type)
continue;
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC);
}
assert(n);
if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
return(1);
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC);
return(1);
}
static int
post_sh_head(POST_ARGS)
{
char buf[BUFSIZ];
struct mdoc_node *n;
enum mdoc_sec sec;
int c;
/*
* Process a new section. Sections are either "named" or
* "custom". Custom sections are user-defined, while named ones
* follow a conventional order and may only appear in certain
* manual sections.
*/
sec = SEC_CUSTOM;
buf[0] = '\0';
if (-1 == (c = concat(buf, mdoc->last->child, BUFSIZ))) {
mdoc_nmsg(mdoc, mdoc->last->child, MANDOCERR_MEM);
return(0);
} else if (1 == c)
sec = a2sec(buf);
/* The NAME should be first. */
if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST);
/* The SYNOPSIS gets special attention in other areas. */
if (SEC_SYNOPSIS == sec)
mdoc->flags |= MDOC_SYNOPSIS;
else
mdoc->flags &= ~MDOC_SYNOPSIS;
/* Mark our last section. */
mdoc->lastsec = sec;
/*
* Set the section attribute for the current HEAD, for its
* parent BLOCK, and for the HEAD children; the latter can
* only be TEXT nodes, so no recursion is needed.
* For other blocks and elements, including .Sh BODY, this is
* done when allocating the node data structures, but for .Sh
* BLOCK and HEAD, the section is still unknown at that time.
*/
mdoc->last->parent->sec = sec;
mdoc->last->sec = sec;
for (n = mdoc->last->child; n; n = n->next)
n->sec = sec;
/* We don't care about custom sections after this. */
if (SEC_CUSTOM == sec)
return(1);
/*
* Check whether our non-custom section is being repeated or is
* out of order.
*/
if (sec == mdoc->lastnamed)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP);
if (sec < mdoc->lastnamed)
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO);
/* Mark the last named section. */
mdoc->lastnamed = sec;
/* Check particular section/manual conventions. */
assert(mdoc->meta.msec);
switch (sec) {
case (SEC_RETURN_VALUES):
/* FALLTHROUGH */
case (SEC_ERRORS):
/* FALLTHROUGH */
case (SEC_LIBRARY):
if (*mdoc->meta.msec == '2')
break;
if (*mdoc->meta.msec == '3')
break;
if (*mdoc->meta.msec == '9')
break;
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC);
break;
default:
break;
}
return(1);
}
static int
post_ignpar(POST_ARGS)
{
struct mdoc_node *np;
if (MDOC_BODY != mdoc->last->type)
return(1);
if (NULL != (np = mdoc->last->child))
if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) {
mdoc_nmsg(mdoc, np, MANDOCERR_IGNPAR);
mdoc_node_delete(mdoc, np);
}
if (NULL != (np = mdoc->last->last))
if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) {
mdoc_nmsg(mdoc, np, MANDOCERR_IGNPAR);
mdoc_node_delete(mdoc, np);
}
return(1);
}
static int
pre_par(PRE_ARGS)
{
if (NULL == mdoc->last)
return(1);
if (MDOC_ELEM != n->type && MDOC_BLOCK != n->type)
return(1);
/*
* Don't allow prior `Lp' or `Pp' prior to a paragraph-type
* block: `Lp', `Pp', or non-compact `Bd' or `Bl'.
*/
if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok)
return(1);
if (MDOC_Bl == n->tok && n->norm->Bl.comp)
return(1);
if (MDOC_Bd == n->tok && n->norm->Bd.comp)
return(1);
if (MDOC_It == n->tok && n->parent->norm->Bl.comp)
return(1);
mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNPAR);
mdoc_node_delete(mdoc, mdoc->last);
return(1);
}
static int
pre_literal(PRE_ARGS)
{
if (MDOC_BODY != n->type)
return(1);
/*
* The `Dl' (note "el" not "one") and `Bd -literal' and `Bd
* -unfilled' macros set MDOC_LITERAL on entrance to the body.
*/
switch (n->tok) {
case (MDOC_Dl):
mdoc->flags |= MDOC_LITERAL;
break;
case (MDOC_Bd):
if (DISP_literal == n->norm->Bd.type)
mdoc->flags |= MDOC_LITERAL;
if (DISP_unfilled == n->norm->Bd.type)
mdoc->flags |= MDOC_LITERAL;
break;
default:
abort();
/* NOTREACHED */
}
return(1);
}
static int
post_dd(POST_ARGS)
{
char buf[DATESIZE];
struct mdoc_node *n;
int c;
if (mdoc->meta.date)
free(mdoc->meta.date);
n = mdoc->last;
if (NULL == n->child || '\0' == n->child->string[0]) {
mdoc->meta.date = mandoc_normdate
(mdoc->parse, NULL, n->line, n->pos);
return(1);
}
buf[0] = '\0';
if (-1 == (c = concat(buf, n->child, DATESIZE))) {
mdoc_nmsg(mdoc, n->child, MANDOCERR_MEM);
return(0);
}
assert(c);
mdoc->meta.date = mandoc_normdate
(mdoc->parse, buf, n->line, n->pos);
return(1);
}
static int
post_dt(POST_ARGS)
{
struct mdoc_node *nn, *n;
const char *cp;
char *p;
n = mdoc->last;
if (mdoc->meta.title)
free(mdoc->meta.title);
if (mdoc->meta.vol)
free(mdoc->meta.vol);
if (mdoc->meta.arch)
free(mdoc->meta.arch);
mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL;
/* First make all characters uppercase. */
if (NULL != (nn = n->child))
for (p = nn->string; *p; p++) {
if (toupper((unsigned char)*p) == *p)
continue;
/*
* FIXME: don't be lazy: have this make all
* characters be uppercase and just warn once.
*/
mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE);
break;
}
/* Handles: `.Dt'
* --> title = unknown, volume = local, msec = 0, arch = NULL
*/
if (NULL == (nn = n->child)) {
/* XXX: make these macro values. */
/* FIXME: warn about missing values. */
mdoc->meta.title = mandoc_strdup("UNKNOWN");
mdoc->meta.vol = mandoc_strdup("LOCAL");
mdoc->meta.msec = mandoc_strdup("1");
return(1);
}
/* Handles: `.Dt TITLE'
* --> title = TITLE, volume = local, msec = 0, arch = NULL
*/
mdoc->meta.title = mandoc_strdup
('\0' == nn->string[0] ? "UNKNOWN" : nn->string);
if (NULL == (nn = nn->next)) {
/* FIXME: warn about missing msec. */
/* XXX: make this a macro value. */
mdoc->meta.vol = mandoc_strdup("LOCAL");
mdoc->meta.msec = mandoc_strdup("1");
return(1);
}
/* Handles: `.Dt TITLE SEC'
* --> title = TITLE, volume = SEC is msec ?
* format(msec) : SEC,
* msec = SEC is msec ? atoi(msec) : 0,
* arch = NULL
*/
cp = mandoc_a2msec(nn->string);
if (cp) {
mdoc->meta.vol = mandoc_strdup(cp);
mdoc->meta.msec = mandoc_strdup(nn->string);
} else {
mdoc_nmsg(mdoc, n, MANDOCERR_BADMSEC);
mdoc->meta.vol = mandoc_strdup(nn->string);
mdoc->meta.msec = mandoc_strdup(nn->string);
}
if (NULL == (nn = nn->next))
return(1);
/* Handles: `.Dt TITLE SEC VOL'
* --> title = TITLE, volume = VOL is vol ?
* format(VOL) :
* VOL is arch ? format(arch) :
* VOL
*/
cp = mdoc_a2vol(nn->string);
if (cp) {
free(mdoc->meta.vol);
mdoc->meta.vol = mandoc_strdup(cp);
} else {
/* FIXME: warn about bad arch. */
cp = mdoc_a2arch(nn->string);
if (NULL == cp) {
free(mdoc->meta.vol);
mdoc->meta.vol = mandoc_strdup(nn->string);
} else
mdoc->meta.arch = mandoc_strdup(cp);
}
/* Ignore any subsequent parameters... */
/* FIXME: warn about subsequent parameters. */
return(1);
}
static int
post_prol(POST_ARGS)
{
/*
* Remove prologue macros from the document after they're
* processed. The final document uses mdoc_meta for these
* values and discards the originals.
*/
mdoc_node_delete(mdoc, mdoc->last);
if (mdoc->meta.title && mdoc->meta.date && mdoc->meta.os)
mdoc->flags |= MDOC_PBODY;
return(1);
}
static int
post_bx(POST_ARGS)
{
struct mdoc_node *n;
/*
* Make `Bx's second argument always start with an uppercase
* letter. Groff checks if it's an "accepted" term, but we just
* uppercase blindly.
*/
n = mdoc->last->child;
if (n && NULL != (n = n->next))
*n->string = (char)toupper
((unsigned char)*n->string);
return(1);
}
static int
post_os(POST_ARGS)
{
struct mdoc_node *n;
char buf[BUFSIZ];
int c;
#ifndef OSNAME
struct utsname utsname;
#endif
n = mdoc->last;
/*
* Set the operating system by way of the `Os' macro. Note that
* if an argument isn't provided and -DOSNAME="\"foo\"" is
* provided during compilation, this value will be used instead
* of filling in "sysname release" from uname().
*/
if (mdoc->meta.os)
free(mdoc->meta.os);
buf[0] = '\0';
if (-1 == (c = concat(buf, n->child, BUFSIZ))) {
mdoc_nmsg(mdoc, n->child, MANDOCERR_MEM);
return(0);
}
assert(c);
/* XXX: yes, these can all be dynamically-adjusted buffers, but
* it's really not worth the extra hackery.
*/
if ('\0' == buf[0]) {
#ifdef OSNAME
if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) {
mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
return(0);
}
#else /*!OSNAME */
if (-1 == uname(&utsname)) {
mdoc_nmsg(mdoc, n, MANDOCERR_UNAME);
mdoc->meta.os = mandoc_strdup("UNKNOWN");
return(post_prol(mdoc));
}
if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) {
mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
return(0);
}
if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
return(0);
}
if (0 == strcmp(utsname.sysname, "FreeBSD"))
strtok(utsname.release, "-");
if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) {
mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
return(0);
}
#endif /*!OSNAME*/
}
mdoc->meta.os = mandoc_strdup(buf);
return(1);
}
static int
post_std(POST_ARGS)
{
struct mdoc_node *nn, *n;
n = mdoc->last;
/*
* Macros accepting `-std' as an argument have the name of the
* current document (`Nm') filled in as the argument if it's not
* provided.
*/
if (n->child)
return(1);
if (NULL == mdoc->meta.name)
return(1);
nn = n;
mdoc->next = MDOC_NEXT_CHILD;
if ( ! mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name))
return(0);
mdoc->last = nn;
return(1);
}
/*
* Concatenate a node, stopping at the first non-text.
* Concatenation is separated by a single whitespace.
* Returns -1 on fatal (string overrun) error, 0 if child nodes were
* encountered, 1 otherwise.
*/
static int
concat(char *p, const struct mdoc_node *n, size_t sz)
{
for ( ; NULL != n; n = n->next) {
if (MDOC_TEXT != n->type)
return(0);
if ('\0' != p[0] && strlcat(p, " ", sz) >= sz)
return(-1);
if (strlcat(p, n->string, sz) >= sz)
return(-1);
concat(p, n->child, sz);
}
return(1);
}
static enum mdoc_sec
a2sec(const char *p)
{
int i;
for (i = 0; i < (int)SEC__MAX; i++)
if (secnames[i] && 0 == strcmp(p, secnames[i]))
return((enum mdoc_sec)i);
return(SEC_CUSTOM);
}
static size_t
macro2len(enum mdoct macro)
{
switch (macro) {
case(MDOC_Ad):
return(12);
case(MDOC_Ao):
return(12);
case(MDOC_An):
return(12);
case(MDOC_Aq):
return(12);
case(MDOC_Ar):
return(12);
case(MDOC_Bo):
return(12);
case(MDOC_Bq):
return(12);
case(MDOC_Cd):
return(12);
case(MDOC_Cm):
return(10);
case(MDOC_Do):
return(10);
case(MDOC_Dq):
return(12);
case(MDOC_Dv):
return(12);
case(MDOC_Eo):
return(12);
case(MDOC_Em):
return(10);
case(MDOC_Er):
return(17);
case(MDOC_Ev):
return(15);
case(MDOC_Fa):
return(12);
case(MDOC_Fl):
return(10);
case(MDOC_Fo):
return(16);
case(MDOC_Fn):
return(16);
case(MDOC_Ic):
return(10);
case(MDOC_Li):
return(16);
case(MDOC_Ms):
return(6);
case(MDOC_Nm):
return(10);
case(MDOC_No):
return(12);
case(MDOC_Oo):
return(10);
case(MDOC_Op):
return(14);
case(MDOC_Pa):
return(32);
case(MDOC_Pf):
return(12);
case(MDOC_Po):
return(12);
case(MDOC_Pq):
return(12);
case(MDOC_Ql):
return(16);
case(MDOC_Qo):
return(12);
case(MDOC_So):
return(12);
case(MDOC_Sq):
return(12);
case(MDOC_Sy):
return(6);
case(MDOC_Sx):
return(16);
case(MDOC_Tn):
return(10);
case(MDOC_Va):
return(12);
case(MDOC_Vt):
return(12);
case(MDOC_Xr):
return(10);
default:
break;
};
return(0);
}
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