freebsd-skq/contrib/mdocml/mdoc_html.c
2017-02-19 17:46:37 +00:00

1817 lines
35 KiB
C

/* $Id: mdoc_html.c,v 1.271 2017/02/16 03:00:23 schwarze Exp $ */
/*
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2014, 2015, 2016, 2017 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 AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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.
*/
#include "config.h"
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mandoc_aux.h"
#include "roff.h"
#include "mdoc.h"
#include "out.h"
#include "html.h"
#include "main.h"
#define INDENT 5
#define MDOC_ARGS const struct roff_meta *meta, \
struct roff_node *n, \
struct html *h
#ifndef MIN
#define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
#endif
struct htmlmdoc {
int (*pre)(MDOC_ARGS);
void (*post)(MDOC_ARGS);
};
static char *make_id(const struct roff_node *);
static void print_mdoc_head(MDOC_ARGS);
static void print_mdoc_node(MDOC_ARGS);
static void print_mdoc_nodelist(MDOC_ARGS);
static void synopsis_pre(struct html *,
const struct roff_node *);
static void mdoc_root_post(MDOC_ARGS);
static int mdoc_root_pre(MDOC_ARGS);
static void mdoc__x_post(MDOC_ARGS);
static int mdoc__x_pre(MDOC_ARGS);
static int mdoc_ad_pre(MDOC_ARGS);
static int mdoc_an_pre(MDOC_ARGS);
static int mdoc_ap_pre(MDOC_ARGS);
static int mdoc_ar_pre(MDOC_ARGS);
static int mdoc_bd_pre(MDOC_ARGS);
static int mdoc_bf_pre(MDOC_ARGS);
static void mdoc_bk_post(MDOC_ARGS);
static int mdoc_bk_pre(MDOC_ARGS);
static int mdoc_bl_pre(MDOC_ARGS);
static int mdoc_cd_pre(MDOC_ARGS);
static int mdoc_cm_pre(MDOC_ARGS);
static int mdoc_d1_pre(MDOC_ARGS);
static int mdoc_dv_pre(MDOC_ARGS);
static int mdoc_fa_pre(MDOC_ARGS);
static int mdoc_fd_pre(MDOC_ARGS);
static int mdoc_fl_pre(MDOC_ARGS);
static int mdoc_fn_pre(MDOC_ARGS);
static int mdoc_ft_pre(MDOC_ARGS);
static int mdoc_em_pre(MDOC_ARGS);
static void mdoc_eo_post(MDOC_ARGS);
static int mdoc_eo_pre(MDOC_ARGS);
static int mdoc_er_pre(MDOC_ARGS);
static int mdoc_ev_pre(MDOC_ARGS);
static int mdoc_ex_pre(MDOC_ARGS);
static void mdoc_fo_post(MDOC_ARGS);
static int mdoc_fo_pre(MDOC_ARGS);
static int mdoc_ic_pre(MDOC_ARGS);
static int mdoc_igndelim_pre(MDOC_ARGS);
static int mdoc_in_pre(MDOC_ARGS);
static int mdoc_it_pre(MDOC_ARGS);
static int mdoc_lb_pre(MDOC_ARGS);
static int mdoc_li_pre(MDOC_ARGS);
static int mdoc_lk_pre(MDOC_ARGS);
static int mdoc_mt_pre(MDOC_ARGS);
static int mdoc_ms_pre(MDOC_ARGS);
static int mdoc_nd_pre(MDOC_ARGS);
static int mdoc_nm_pre(MDOC_ARGS);
static int mdoc_no_pre(MDOC_ARGS);
static int mdoc_ns_pre(MDOC_ARGS);
static int mdoc_pa_pre(MDOC_ARGS);
static void mdoc_pf_post(MDOC_ARGS);
static int mdoc_pp_pre(MDOC_ARGS);
static void mdoc_quote_post(MDOC_ARGS);
static int mdoc_quote_pre(MDOC_ARGS);
static int mdoc_rs_pre(MDOC_ARGS);
static int mdoc_sh_pre(MDOC_ARGS);
static int mdoc_skip_pre(MDOC_ARGS);
static int mdoc_sm_pre(MDOC_ARGS);
static int mdoc_sp_pre(MDOC_ARGS);
static int mdoc_ss_pre(MDOC_ARGS);
static int mdoc_st_pre(MDOC_ARGS);
static int mdoc_sx_pre(MDOC_ARGS);
static int mdoc_sy_pre(MDOC_ARGS);
static int mdoc_va_pre(MDOC_ARGS);
static int mdoc_vt_pre(MDOC_ARGS);
static int mdoc_xr_pre(MDOC_ARGS);
static int mdoc_xx_pre(MDOC_ARGS);
static const struct htmlmdoc mdocs[MDOC_MAX] = {
{mdoc_ap_pre, NULL}, /* Ap */
{NULL, NULL}, /* Dd */
{NULL, NULL}, /* Dt */
{NULL, NULL}, /* Os */
{mdoc_sh_pre, NULL }, /* Sh */
{mdoc_ss_pre, NULL }, /* Ss */
{mdoc_pp_pre, NULL}, /* Pp */
{mdoc_d1_pre, NULL}, /* D1 */
{mdoc_d1_pre, NULL}, /* Dl */
{mdoc_bd_pre, NULL}, /* Bd */
{NULL, NULL}, /* Ed */
{mdoc_bl_pre, NULL}, /* Bl */
{NULL, NULL}, /* El */
{mdoc_it_pre, NULL}, /* It */
{mdoc_ad_pre, NULL}, /* Ad */
{mdoc_an_pre, NULL}, /* An */
{mdoc_ar_pre, NULL}, /* Ar */
{mdoc_cd_pre, NULL}, /* Cd */
{mdoc_cm_pre, NULL}, /* Cm */
{mdoc_dv_pre, NULL}, /* Dv */
{mdoc_er_pre, NULL}, /* Er */
{mdoc_ev_pre, NULL}, /* Ev */
{mdoc_ex_pre, NULL}, /* Ex */
{mdoc_fa_pre, NULL}, /* Fa */
{mdoc_fd_pre, NULL}, /* Fd */
{mdoc_fl_pre, NULL}, /* Fl */
{mdoc_fn_pre, NULL}, /* Fn */
{mdoc_ft_pre, NULL}, /* Ft */
{mdoc_ic_pre, NULL}, /* Ic */
{mdoc_in_pre, NULL}, /* In */
{mdoc_li_pre, NULL}, /* Li */
{mdoc_nd_pre, NULL}, /* Nd */
{mdoc_nm_pre, NULL}, /* Nm */
{mdoc_quote_pre, mdoc_quote_post}, /* Op */
{mdoc_ft_pre, NULL}, /* Ot */
{mdoc_pa_pre, NULL}, /* Pa */
{mdoc_ex_pre, NULL}, /* Rv */
{mdoc_st_pre, NULL}, /* St */
{mdoc_va_pre, NULL}, /* Va */
{mdoc_vt_pre, NULL}, /* Vt */
{mdoc_xr_pre, NULL}, /* Xr */
{mdoc__x_pre, mdoc__x_post}, /* %A */
{mdoc__x_pre, mdoc__x_post}, /* %B */
{mdoc__x_pre, mdoc__x_post}, /* %D */
{mdoc__x_pre, mdoc__x_post}, /* %I */
{mdoc__x_pre, mdoc__x_post}, /* %J */
{mdoc__x_pre, mdoc__x_post}, /* %N */
{mdoc__x_pre, mdoc__x_post}, /* %O */
{mdoc__x_pre, mdoc__x_post}, /* %P */
{mdoc__x_pre, mdoc__x_post}, /* %R */
{mdoc__x_pre, mdoc__x_post}, /* %T */
{mdoc__x_pre, mdoc__x_post}, /* %V */
{NULL, NULL}, /* Ac */
{mdoc_quote_pre, mdoc_quote_post}, /* Ao */
{mdoc_quote_pre, mdoc_quote_post}, /* Aq */
{mdoc_xx_pre, NULL}, /* At */
{NULL, NULL}, /* Bc */
{mdoc_bf_pre, NULL}, /* Bf */
{mdoc_quote_pre, mdoc_quote_post}, /* Bo */
{mdoc_quote_pre, mdoc_quote_post}, /* Bq */
{mdoc_xx_pre, NULL}, /* Bsx */
{mdoc_xx_pre, NULL}, /* Bx */
{mdoc_skip_pre, NULL}, /* Db */
{NULL, NULL}, /* Dc */
{mdoc_quote_pre, mdoc_quote_post}, /* Do */
{mdoc_quote_pre, mdoc_quote_post}, /* Dq */
{NULL, NULL}, /* Ec */ /* FIXME: no space */
{NULL, NULL}, /* Ef */
{mdoc_em_pre, NULL}, /* Em */
{mdoc_eo_pre, mdoc_eo_post}, /* Eo */
{mdoc_xx_pre, NULL}, /* Fx */
{mdoc_ms_pre, NULL}, /* Ms */
{mdoc_no_pre, NULL}, /* No */
{mdoc_ns_pre, NULL}, /* Ns */
{mdoc_xx_pre, NULL}, /* Nx */
{mdoc_xx_pre, NULL}, /* Ox */
{NULL, NULL}, /* Pc */
{mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
{mdoc_quote_pre, mdoc_quote_post}, /* Po */
{mdoc_quote_pre, mdoc_quote_post}, /* Pq */
{NULL, NULL}, /* Qc */
{mdoc_quote_pre, mdoc_quote_post}, /* Ql */
{mdoc_quote_pre, mdoc_quote_post}, /* Qo */
{mdoc_quote_pre, mdoc_quote_post}, /* Qq */
{NULL, NULL}, /* Re */
{mdoc_rs_pre, NULL}, /* Rs */
{NULL, NULL}, /* Sc */
{mdoc_quote_pre, mdoc_quote_post}, /* So */
{mdoc_quote_pre, mdoc_quote_post}, /* Sq */
{mdoc_sm_pre, NULL}, /* Sm */
{mdoc_sx_pre, NULL}, /* Sx */
{mdoc_sy_pre, NULL}, /* Sy */
{NULL, NULL}, /* Tn */
{mdoc_xx_pre, NULL}, /* Ux */
{NULL, NULL}, /* Xc */
{NULL, NULL}, /* Xo */
{mdoc_fo_pre, mdoc_fo_post}, /* Fo */
{NULL, NULL}, /* Fc */
{mdoc_quote_pre, mdoc_quote_post}, /* Oo */
{NULL, NULL}, /* Oc */
{mdoc_bk_pre, mdoc_bk_post}, /* Bk */
{NULL, NULL}, /* Ek */
{NULL, NULL}, /* Bt */
{NULL, NULL}, /* Hf */
{mdoc_em_pre, NULL}, /* Fr */
{NULL, NULL}, /* Ud */
{mdoc_lb_pre, NULL}, /* Lb */
{mdoc_pp_pre, NULL}, /* Lp */
{mdoc_lk_pre, NULL}, /* Lk */
{mdoc_mt_pre, NULL}, /* Mt */
{mdoc_quote_pre, mdoc_quote_post}, /* Brq */
{mdoc_quote_pre, mdoc_quote_post}, /* Bro */
{NULL, NULL}, /* Brc */
{mdoc__x_pre, mdoc__x_post}, /* %C */
{mdoc_skip_pre, NULL}, /* Es */
{mdoc_quote_pre, mdoc_quote_post}, /* En */
{mdoc_xx_pre, NULL}, /* Dx */
{mdoc__x_pre, mdoc__x_post}, /* %Q */
{mdoc_sp_pre, NULL}, /* br */
{mdoc_sp_pre, NULL}, /* sp */
{mdoc__x_pre, mdoc__x_post}, /* %U */
{NULL, NULL}, /* Ta */
{mdoc_skip_pre, NULL}, /* ll */
};
/*
* See the same function in mdoc_term.c for documentation.
*/
static void
synopsis_pre(struct html *h, const struct roff_node *n)
{
if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
return;
if (n->prev->tok == n->tok &&
MDOC_Fo != n->tok &&
MDOC_Ft != n->tok &&
MDOC_Fn != n->tok) {
print_otag(h, TAG_BR, "");
return;
}
switch (n->prev->tok) {
case MDOC_Fd:
case MDOC_Fn:
case MDOC_Fo:
case MDOC_In:
case MDOC_Vt:
print_paragraph(h);
break;
case MDOC_Ft:
if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
print_paragraph(h);
break;
}
/* FALLTHROUGH */
default:
print_otag(h, TAG_BR, "");
break;
}
}
void
html_mdoc(void *arg, const struct roff_man *mdoc)
{
struct html *h;
struct tag *t;
h = (struct html *)arg;
if ((h->oflags & HTML_FRAGMENT) == 0) {
print_gen_decls(h);
print_otag(h, TAG_HTML, "");
t = print_otag(h, TAG_HEAD, "");
print_mdoc_head(&mdoc->meta, mdoc->first->child, h);
print_tagq(h, t);
print_otag(h, TAG_BODY, "");
}
mdoc_root_pre(&mdoc->meta, mdoc->first->child, h);
t = print_otag(h, TAG_DIV, "c", "manual-text");
print_mdoc_nodelist(&mdoc->meta, mdoc->first->child, h);
print_tagq(h, t);
mdoc_root_post(&mdoc->meta, mdoc->first->child, h);
print_tagq(h, NULL);
}
static void
print_mdoc_head(MDOC_ARGS)
{
char *cp;
print_gen_head(h);
if (meta->arch != NULL && meta->msec != NULL)
mandoc_asprintf(&cp, "%s(%s) (%s)", meta->title,
meta->msec, meta->arch);
else if (meta->msec != NULL)
mandoc_asprintf(&cp, "%s(%s)", meta->title, meta->msec);
else if (meta->arch != NULL)
mandoc_asprintf(&cp, "%s (%s)", meta->title, meta->arch);
else
cp = mandoc_strdup(meta->title);
print_otag(h, TAG_TITLE, "");
print_text(h, cp);
free(cp);
}
static void
print_mdoc_nodelist(MDOC_ARGS)
{
while (n != NULL) {
print_mdoc_node(meta, n, h);
n = n->next;
}
}
static void
print_mdoc_node(MDOC_ARGS)
{
int child;
struct tag *t;
if (n->flags & NODE_NOPRT)
return;
child = 1;
t = h->tag;
n->flags &= ~NODE_ENDED;
switch (n->type) {
case ROFFT_TEXT:
/* No tables in this mode... */
assert(NULL == h->tblt);
/*
* Make sure that if we're in a literal mode already
* (i.e., within a <PRE>) don't print the newline.
*/
if (' ' == *n->string && NODE_LINE & n->flags)
if ( ! (HTML_LITERAL & h->flags))
print_otag(h, TAG_BR, "");
if (NODE_DELIMC & n->flags)
h->flags |= HTML_NOSPACE;
print_text(h, n->string);
if (NODE_DELIMO & n->flags)
h->flags |= HTML_NOSPACE;
return;
case ROFFT_EQN:
print_eqn(h, n->eqn);
break;
case ROFFT_TBL:
/*
* This will take care of initialising all of the table
* state data for the first table, then tearing it down
* for the last one.
*/
print_tbl(h, n->span);
return;
default:
/*
* Close out the current table, if it's open, and unset
* the "meta" table state. This will be reopened on the
* next table element.
*/
if (h->tblt != NULL) {
print_tblclose(h);
t = h->tag;
}
assert(h->tblt == NULL);
if (mdocs[n->tok].pre && (n->end == ENDBODY_NOT || n->child))
child = (*mdocs[n->tok].pre)(meta, n, h);
break;
}
if (h->flags & HTML_KEEP && n->flags & NODE_LINE) {
h->flags &= ~HTML_KEEP;
h->flags |= HTML_PREKEEP;
}
if (child && n->child)
print_mdoc_nodelist(meta, n->child, h);
print_stagq(h, t);
switch (n->type) {
case ROFFT_EQN:
break;
default:
if ( ! mdocs[n->tok].post || n->flags & NODE_ENDED)
break;
(*mdocs[n->tok].post)(meta, n, h);
if (n->end != ENDBODY_NOT)
n->body->flags |= NODE_ENDED;
break;
}
}
static void
mdoc_root_post(MDOC_ARGS)
{
struct tag *t, *tt;
t = print_otag(h, TAG_TABLE, "c", "foot");
tt = print_otag(h, TAG_TR, "");
print_otag(h, TAG_TD, "c", "foot-date");
print_text(h, meta->date);
print_stagq(h, tt);
print_otag(h, TAG_TD, "c", "foot-os");
print_text(h, meta->os);
print_tagq(h, t);
}
static int
mdoc_root_pre(MDOC_ARGS)
{
struct tag *t, *tt;
char *volume, *title;
if (NULL == meta->arch)
volume = mandoc_strdup(meta->vol);
else
mandoc_asprintf(&volume, "%s (%s)",
meta->vol, meta->arch);
if (NULL == meta->msec)
title = mandoc_strdup(meta->title);
else
mandoc_asprintf(&title, "%s(%s)",
meta->title, meta->msec);
t = print_otag(h, TAG_TABLE, "c", "head");
tt = print_otag(h, TAG_TR, "");
print_otag(h, TAG_TD, "c", "head-ltitle");
print_text(h, title);
print_stagq(h, tt);
print_otag(h, TAG_TD, "c", "head-vol");
print_text(h, volume);
print_stagq(h, tt);
print_otag(h, TAG_TD, "c", "head-rtitle");
print_text(h, title);
print_tagq(h, t);
free(title);
free(volume);
return 1;
}
static char *
make_id(const struct roff_node *n)
{
const struct roff_node *nch;
char *buf, *cp;
for (nch = n->child; nch != NULL; nch = nch->next)
if (nch->type != ROFFT_TEXT)
return NULL;
buf = NULL;
deroff(&buf, n);
/* http://www.w3.org/TR/html5/dom.html#the-id-attribute */
for (cp = buf; *cp != '\0'; cp++)
if (*cp == ' ')
*cp = '_';
return buf;
}
static int
mdoc_sh_pre(MDOC_ARGS)
{
char *id;
switch (n->type) {
case ROFFT_HEAD:
id = make_id(n);
print_otag(h, TAG_H1, "ci", "Sh", id);
free(id);
break;
case ROFFT_BODY:
if (n->sec == SEC_AUTHORS)
h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
break;
default:
break;
}
return 1;
}
static int
mdoc_ss_pre(MDOC_ARGS)
{
char *id;
if (n->type != ROFFT_HEAD)
return 1;
id = make_id(n);
print_otag(h, TAG_H2, "ci", "Ss", id);
free(id);
return 1;
}
static int
mdoc_fl_pre(MDOC_ARGS)
{
print_otag(h, TAG_B, "c", "Fl");
print_text(h, "\\-");
if (!(n->child == NULL &&
(n->next == NULL ||
n->next->type == ROFFT_TEXT ||
n->next->flags & NODE_LINE)))
h->flags |= HTML_NOSPACE;
return 1;
}
static int
mdoc_cm_pre(MDOC_ARGS)
{
print_otag(h, TAG_B, "c", "Cm");
return 1;
}
static int
mdoc_nd_pre(MDOC_ARGS)
{
if (n->type != ROFFT_BODY)
return 1;
/* XXX: this tag in theory can contain block elements. */
print_text(h, "\\(em");
print_otag(h, TAG_SPAN, "c", "Nd");
return 1;
}
static int
mdoc_nm_pre(MDOC_ARGS)
{
struct tag *t;
int len;
switch (n->type) {
case ROFFT_HEAD:
print_otag(h, TAG_TD, "");
/* FALLTHROUGH */
case ROFFT_ELEM:
print_otag(h, TAG_B, "c", "Nm");
return 1;
case ROFFT_BODY:
print_otag(h, TAG_TD, "");
return 1;
default:
break;
}
synopsis_pre(h, n);
print_otag(h, TAG_TABLE, "c", "Nm");
for (len = 0, n = n->head->child; n; n = n->next)
if (n->type == ROFFT_TEXT)
len += html_strlen(n->string);
if (len == 0 && meta->name != NULL)
len = html_strlen(meta->name);
t = print_otag(h, TAG_COLGROUP, "");
print_otag(h, TAG_COL, "shw", len);
print_otag(h, TAG_COL, "");
print_tagq(h, t);
print_otag(h, TAG_TR, "");
return 1;
}
static int
mdoc_xr_pre(MDOC_ARGS)
{
if (NULL == n->child)
return 0;
if (h->base_man)
print_otag(h, TAG_A, "chM", "Xr",
n->child->string, n->child->next == NULL ?
NULL : n->child->next->string);
else
print_otag(h, TAG_A, "c", "Xr");
n = n->child;
print_text(h, n->string);
if (NULL == (n = n->next))
return 0;
h->flags |= HTML_NOSPACE;
print_text(h, "(");
h->flags |= HTML_NOSPACE;
print_text(h, n->string);
h->flags |= HTML_NOSPACE;
print_text(h, ")");
return 0;
}
static int
mdoc_ns_pre(MDOC_ARGS)
{
if ( ! (NODE_LINE & n->flags))
h->flags |= HTML_NOSPACE;
return 1;
}
static int
mdoc_ar_pre(MDOC_ARGS)
{
print_otag(h, TAG_VAR, "c", "Ar");
return 1;
}
static int
mdoc_xx_pre(MDOC_ARGS)
{
print_otag(h, TAG_SPAN, "c", "Ux");
return 1;
}
static int
mdoc_it_pre(MDOC_ARGS)
{
const struct roff_node *bl;
struct tag *t;
const char *cattr;
enum mdoc_list type;
bl = n->parent;
while (bl != NULL && bl->tok != MDOC_Bl)
bl = bl->parent;
type = bl->norm->Bl.type;
switch (type) {
case LIST_bullet:
cattr = "It-bullet";
break;
case LIST_dash:
case LIST_hyphen:
cattr = "It-dash";
break;
case LIST_item:
cattr = "It-item";
break;
case LIST_enum:
cattr = "It-enum";
break;
case LIST_diag:
cattr = "It-diag";
break;
case LIST_hang:
cattr = "It-hang";
break;
case LIST_inset:
cattr = "It-inset";
break;
case LIST_ohang:
cattr = "It-ohang";
break;
case LIST_tag:
cattr = "It-tag";
break;
case LIST_column:
cattr = "It-column";
break;
default:
break;
}
switch (type) {
case LIST_bullet:
case LIST_dash:
case LIST_hyphen:
case LIST_item:
case LIST_enum:
switch (n->type) {
case ROFFT_HEAD:
return 0;
case ROFFT_BODY:
if (bl->norm->Bl.comp)
print_otag(h, TAG_LI, "csvt", cattr, 0);
else
print_otag(h, TAG_LI, "c", cattr);
break;
default:
break;
}
break;
case LIST_diag:
case LIST_hang:
case LIST_inset:
case LIST_ohang:
switch (n->type) {
case ROFFT_HEAD:
if (bl->norm->Bl.comp)
print_otag(h, TAG_DT, "csvt", cattr, 0);
else
print_otag(h, TAG_DT, "c", cattr);
if (type == LIST_diag)
print_otag(h, TAG_B, "c", cattr);
break;
case ROFFT_BODY:
print_otag(h, TAG_DD, "cswl", cattr,
bl->norm->Bl.width);
break;
default:
break;
}
break;
case LIST_tag:
switch (n->type) {
case ROFFT_HEAD:
if (h->style != NULL && !bl->norm->Bl.comp &&
(n->parent->prev == NULL ||
n->parent->prev->body->child != NULL)) {
t = print_otag(h, TAG_DT, "csWl",
cattr, bl->norm->Bl.width);
print_text(h, "\\ ");
print_tagq(h, t);
t = print_otag(h, TAG_DD, "c", cattr);
print_text(h, "\\ ");
print_tagq(h, t);
}
print_otag(h, TAG_DT, "csWl", cattr,
bl->norm->Bl.width);
break;
case ROFFT_BODY:
if (n->child == NULL) {
print_otag(h, TAG_DD, "css?", cattr,
"width", "auto");
print_text(h, "\\ ");
} else
print_otag(h, TAG_DD, "c", cattr);
break;
default:
break;
}
break;
case LIST_column:
switch (n->type) {
case ROFFT_HEAD:
break;
case ROFFT_BODY:
if (bl->norm->Bl.comp)
print_otag(h, TAG_TD, "csvt", cattr, 0);
else
print_otag(h, TAG_TD, "c", cattr);
break;
default:
print_otag(h, TAG_TR, "c", cattr);
}
default:
break;
}
return 1;
}
static int
mdoc_bl_pre(MDOC_ARGS)
{
struct tag *t;
struct mdoc_bl *bl;
const char *cattr;
size_t i;
enum htmltag elemtype;
bl = &n->norm->Bl;
switch (n->type) {
case ROFFT_BODY:
return 1;
case ROFFT_HEAD:
if (bl->type != LIST_column || bl->ncols == 0)
return 0;
/*
* For each column, print out the <COL> tag with our
* suggested width. The last column gets min-width, as
* in terminal mode it auto-sizes to the width of the
* screen and we want to preserve that behaviour.
*/
t = print_otag(h, TAG_COLGROUP, "");
for (i = 0; i < bl->ncols - 1; i++)
print_otag(h, TAG_COL, "sww", bl->cols[i]);
print_otag(h, TAG_COL, "swW", bl->cols[i]);
print_tagq(h, t);
return 0;
default:
break;
}
switch (bl->type) {
case LIST_bullet:
elemtype = TAG_UL;
cattr = "Bl-bullet";
break;
case LIST_dash:
case LIST_hyphen:
elemtype = TAG_UL;
cattr = "Bl-dash";
break;
case LIST_item:
elemtype = TAG_UL;
cattr = "Bl-item";
break;
case LIST_enum:
elemtype = TAG_OL;
cattr = "Bl-enum";
break;
case LIST_diag:
elemtype = TAG_DL;
cattr = "Bl-diag";
break;
case LIST_hang:
elemtype = TAG_DL;
cattr = "Bl-hang";
break;
case LIST_inset:
elemtype = TAG_DL;
cattr = "Bl-inset";
break;
case LIST_ohang:
elemtype = TAG_DL;
cattr = "Bl-ohang";
break;
case LIST_tag:
cattr = "Bl-tag";
if (bl->offs)
print_otag(h, TAG_DIV, "cswl", cattr, bl->offs);
print_otag(h, TAG_DL, "cswl", cattr, bl->width);
return 1;
case LIST_column:
elemtype = TAG_TABLE;
cattr = "Bl-column";
break;
default:
abort();
}
print_otag(h, elemtype, "cswl", cattr, bl->offs);
return 1;
}
static int
mdoc_ex_pre(MDOC_ARGS)
{
if (n->prev)
print_otag(h, TAG_BR, "");
return 1;
}
static int
mdoc_st_pre(MDOC_ARGS)
{
print_otag(h, TAG_SPAN, "c", "St");
return 1;
}
static int
mdoc_em_pre(MDOC_ARGS)
{
print_otag(h, TAG_I, "c", "Em");
return 1;
}
static int
mdoc_d1_pre(MDOC_ARGS)
{
if (n->type != ROFFT_BLOCK)
return 1;
print_otag(h, TAG_DIV, "c", "D1");
if (n->tok == MDOC_Dl)
print_otag(h, TAG_CODE, "c", "Li");
return 1;
}
static int
mdoc_sx_pre(MDOC_ARGS)
{
char *id;
id = make_id(n);
print_otag(h, TAG_A, "chR", "Sx", id);
free(id);
return 1;
}
static int
mdoc_bd_pre(MDOC_ARGS)
{
int comp, offs, sv;
struct roff_node *nn;
if (n->type == ROFFT_HEAD)
return 0;
if (n->type == ROFFT_BLOCK) {
comp = n->norm->Bd.comp;
for (nn = n; nn && ! comp; nn = nn->parent) {
if (nn->type != ROFFT_BLOCK)
continue;
if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
comp = 1;
if (nn->prev)
break;
}
if ( ! comp)
print_paragraph(h);
return 1;
}
/* Handle the -offset argument. */
if (n->norm->Bd.offs == NULL ||
! strcmp(n->norm->Bd.offs, "left"))
offs = 0;
else if ( ! strcmp(n->norm->Bd.offs, "indent"))
offs = INDENT;
else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
offs = INDENT * 2;
else
offs = -1;
if (offs == -1)
print_otag(h, TAG_DIV, "cswl", "Bd", n->norm->Bd.offs);
else
print_otag(h, TAG_DIV, "cshl", "Bd", offs);
if (n->norm->Bd.type != DISP_unfilled &&
n->norm->Bd.type != DISP_literal)
return 1;
print_otag(h, TAG_PRE, "c", "Li");
/* This can be recursive: save & set our literal state. */
sv = h->flags & HTML_LITERAL;
h->flags |= HTML_LITERAL;
for (nn = n->child; nn; nn = nn->next) {
print_mdoc_node(meta, nn, h);
/*
* If the printed node flushes its own line, then we
* needn't do it here as well. This is hacky, but the
* notion of selective eoln whitespace is pretty dumb
* anyway, so don't sweat it.
*/
switch (nn->tok) {
case MDOC_Sm:
case MDOC_br:
case MDOC_sp:
case MDOC_Bl:
case MDOC_D1:
case MDOC_Dl:
case MDOC_Lp:
case MDOC_Pp:
continue;
default:
break;
}
if (h->flags & HTML_NONEWLINE ||
(nn->next && ! (nn->next->flags & NODE_LINE)))
continue;
else if (nn->next)
print_text(h, "\n");
h->flags |= HTML_NOSPACE;
}
if (0 == sv)
h->flags &= ~HTML_LITERAL;
return 0;
}
static int
mdoc_pa_pre(MDOC_ARGS)
{
print_otag(h, TAG_I, "c", "Pa");
return 1;
}
static int
mdoc_ad_pre(MDOC_ARGS)
{
print_otag(h, TAG_I, "c", "Ad");
return 1;
}
static int
mdoc_an_pre(MDOC_ARGS)
{
if (n->norm->An.auth == AUTH_split) {
h->flags &= ~HTML_NOSPLIT;
h->flags |= HTML_SPLIT;
return 0;
}
if (n->norm->An.auth == AUTH_nosplit) {
h->flags &= ~HTML_SPLIT;
h->flags |= HTML_NOSPLIT;
return 0;
}
if (h->flags & HTML_SPLIT)
print_otag(h, TAG_BR, "");
if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
h->flags |= HTML_SPLIT;
print_otag(h, TAG_SPAN, "c", "An");
return 1;
}
static int
mdoc_cd_pre(MDOC_ARGS)
{
synopsis_pre(h, n);
print_otag(h, TAG_B, "c", "Cd");
return 1;
}
static int
mdoc_dv_pre(MDOC_ARGS)
{
print_otag(h, TAG_CODE, "c", "Dv");
return 1;
}
static int
mdoc_ev_pre(MDOC_ARGS)
{
print_otag(h, TAG_CODE, "c", "Ev");
return 1;
}
static int
mdoc_er_pre(MDOC_ARGS)
{
print_otag(h, TAG_CODE, "c", "Er");
return 1;
}
static int
mdoc_fa_pre(MDOC_ARGS)
{
const struct roff_node *nn;
struct tag *t;
if (n->parent->tok != MDOC_Fo) {
print_otag(h, TAG_VAR, "c", "Fa");
return 1;
}
for (nn = n->child; nn; nn = nn->next) {
t = print_otag(h, TAG_VAR, "c", "Fa");
print_text(h, nn->string);
print_tagq(h, t);
if (nn->next) {
h->flags |= HTML_NOSPACE;
print_text(h, ",");
}
}
if (n->child && n->next && n->next->tok == MDOC_Fa) {
h->flags |= HTML_NOSPACE;
print_text(h, ",");
}
return 0;
}
static int
mdoc_fd_pre(MDOC_ARGS)
{
struct tag *t;
char *buf, *cp;
synopsis_pre(h, n);
if (NULL == (n = n->child))
return 0;
assert(n->type == ROFFT_TEXT);
if (strcmp(n->string, "#include")) {
print_otag(h, TAG_B, "c", "Fd");
return 1;
}
print_otag(h, TAG_B, "c", "In");
print_text(h, n->string);
if (NULL != (n = n->next)) {
assert(n->type == ROFFT_TEXT);
if (h->base_includes) {
cp = n->string;
if (*cp == '<' || *cp == '"')
cp++;
buf = mandoc_strdup(cp);
cp = strchr(buf, '\0') - 1;
if (cp >= buf && (*cp == '>' || *cp == '"'))
*cp = '\0';
t = print_otag(h, TAG_A, "chI", "In", buf);
free(buf);
} else
t = print_otag(h, TAG_A, "c", "In");
print_text(h, n->string);
print_tagq(h, t);
n = n->next;
}
for ( ; n; n = n->next) {
assert(n->type == ROFFT_TEXT);
print_text(h, n->string);
}
return 0;
}
static int
mdoc_vt_pre(MDOC_ARGS)
{
if (n->type == ROFFT_BLOCK) {
synopsis_pre(h, n);
return 1;
} else if (n->type == ROFFT_ELEM) {
synopsis_pre(h, n);
} else if (n->type == ROFFT_HEAD)
return 0;
print_otag(h, TAG_VAR, "c", "Vt");
return 1;
}
static int
mdoc_ft_pre(MDOC_ARGS)
{
synopsis_pre(h, n);
print_otag(h, TAG_VAR, "c", "Ft");
return 1;
}
static int
mdoc_fn_pre(MDOC_ARGS)
{
struct tag *t;
char nbuf[BUFSIZ];
const char *sp, *ep;
int sz, pretty;
pretty = NODE_SYNPRETTY & n->flags;
synopsis_pre(h, n);
/* Split apart into type and name. */
assert(n->child->string);
sp = n->child->string;
ep = strchr(sp, ' ');
if (NULL != ep) {
t = print_otag(h, TAG_VAR, "c", "Ft");
while (ep) {
sz = MIN((int)(ep - sp), BUFSIZ - 1);
(void)memcpy(nbuf, sp, (size_t)sz);
nbuf[sz] = '\0';
print_text(h, nbuf);
sp = ++ep;
ep = strchr(sp, ' ');
}
print_tagq(h, t);
}
t = print_otag(h, TAG_B, "c", "Fn");
if (sp)
print_text(h, sp);
print_tagq(h, t);
h->flags |= HTML_NOSPACE;
print_text(h, "(");
h->flags |= HTML_NOSPACE;
for (n = n->child->next; n; n = n->next) {
if (NODE_SYNPRETTY & n->flags)
t = print_otag(h, TAG_VAR, "css?", "Fa",
"white-space", "nowrap");
else
t = print_otag(h, TAG_VAR, "c", "Fa");
print_text(h, n->string);
print_tagq(h, t);
if (n->next) {
h->flags |= HTML_NOSPACE;
print_text(h, ",");
}
}
h->flags |= HTML_NOSPACE;
print_text(h, ")");
if (pretty) {
h->flags |= HTML_NOSPACE;
print_text(h, ";");
}
return 0;
}
static int
mdoc_sm_pre(MDOC_ARGS)
{
if (NULL == n->child)
h->flags ^= HTML_NONOSPACE;
else if (0 == strcmp("on", n->child->string))
h->flags &= ~HTML_NONOSPACE;
else
h->flags |= HTML_NONOSPACE;
if ( ! (HTML_NONOSPACE & h->flags))
h->flags &= ~HTML_NOSPACE;
return 0;
}
static int
mdoc_skip_pre(MDOC_ARGS)
{
return 0;
}
static int
mdoc_pp_pre(MDOC_ARGS)
{
print_paragraph(h);
return 0;
}
static int
mdoc_sp_pre(MDOC_ARGS)
{
struct roffsu su;
SCALE_VS_INIT(&su, 1);
if (MDOC_sp == n->tok) {
if (NULL != (n = n->child)) {
if ( ! a2roffsu(n->string, &su, SCALE_VS))
su.scale = 1.0;
else if (su.scale < 0.0)
su.scale = 0.0;
}
} else
su.scale = 0.0;
print_otag(h, TAG_DIV, "suh", &su);
/* So the div isn't empty: */
print_text(h, "\\~");
return 0;
}
static int
mdoc_lk_pre(MDOC_ARGS)
{
if (NULL == (n = n->child))
return 0;
assert(n->type == ROFFT_TEXT);
print_otag(h, TAG_A, "ch", "Lk", n->string);
if (NULL == n->next)
print_text(h, n->string);
for (n = n->next; n; n = n->next)
print_text(h, n->string);
return 0;
}
static int
mdoc_mt_pre(MDOC_ARGS)
{
struct tag *t;
char *cp;
for (n = n->child; n; n = n->next) {
assert(n->type == ROFFT_TEXT);
mandoc_asprintf(&cp, "mailto:%s", n->string);
t = print_otag(h, TAG_A, "ch", "Mt", cp);
print_text(h, n->string);
print_tagq(h, t);
free(cp);
}
return 0;
}
static int
mdoc_fo_pre(MDOC_ARGS)
{
struct tag *t;
if (n->type == ROFFT_BODY) {
h->flags |= HTML_NOSPACE;
print_text(h, "(");
h->flags |= HTML_NOSPACE;
return 1;
} else if (n->type == ROFFT_BLOCK) {
synopsis_pre(h, n);
return 1;
}
if (n->child == NULL)
return 0;
assert(n->child->string);
t = print_otag(h, TAG_B, "c", "Fn");
print_text(h, n->child->string);
print_tagq(h, t);
return 0;
}
static void
mdoc_fo_post(MDOC_ARGS)
{
if (n->type != ROFFT_BODY)
return;
h->flags |= HTML_NOSPACE;
print_text(h, ")");
h->flags |= HTML_NOSPACE;
print_text(h, ";");
}
static int
mdoc_in_pre(MDOC_ARGS)
{
struct tag *t;
synopsis_pre(h, n);
print_otag(h, TAG_B, "c", "In");
/*
* The first argument of the `In' gets special treatment as
* being a linked value. Subsequent values are printed
* afterward. groff does similarly. This also handles the case
* of no children.
*/
if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags)
print_text(h, "#include");
print_text(h, "<");
h->flags |= HTML_NOSPACE;
if (NULL != (n = n->child)) {
assert(n->type == ROFFT_TEXT);
if (h->base_includes)
t = print_otag(h, TAG_A, "chI", "In", n->string);
else
t = print_otag(h, TAG_A, "c", "In");
print_text(h, n->string);
print_tagq(h, t);
n = n->next;
}
h->flags |= HTML_NOSPACE;
print_text(h, ">");
for ( ; n; n = n->next) {
assert(n->type == ROFFT_TEXT);
print_text(h, n->string);
}
return 0;
}
static int
mdoc_ic_pre(MDOC_ARGS)
{
print_otag(h, TAG_B, "c", "Ic");
return 1;
}
static int
mdoc_va_pre(MDOC_ARGS)
{
print_otag(h, TAG_VAR, "c", "Va");
return 1;
}
static int
mdoc_ap_pre(MDOC_ARGS)
{
h->flags |= HTML_NOSPACE;
print_text(h, "\\(aq");
h->flags |= HTML_NOSPACE;
return 1;
}
static int
mdoc_bf_pre(MDOC_ARGS)
{
const char *cattr;
if (n->type == ROFFT_HEAD)
return 0;
else if (n->type != ROFFT_BODY)
return 1;
if (FONT_Em == n->norm->Bf.font)
cattr = "Em";
else if (FONT_Sy == n->norm->Bf.font)
cattr = "Sy";
else if (FONT_Li == n->norm->Bf.font)
cattr = "Li";
else
cattr = "No";
/*
* We want this to be inline-formatted, but needs to be div to
* accept block children.
*/
print_otag(h, TAG_DIV, "css?hl", cattr, "display", "inline", 1);
return 1;
}
static int
mdoc_ms_pre(MDOC_ARGS)
{
print_otag(h, TAG_B, "c", "Ms");
return 1;
}
static int
mdoc_igndelim_pre(MDOC_ARGS)
{
h->flags |= HTML_IGNDELIM;
return 1;
}
static void
mdoc_pf_post(MDOC_ARGS)
{
if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
h->flags |= HTML_NOSPACE;
}
static int
mdoc_rs_pre(MDOC_ARGS)
{
if (n->type != ROFFT_BLOCK)
return 1;
if (n->prev && SEC_SEE_ALSO == n->sec)
print_paragraph(h);
print_otag(h, TAG_CITE, "c", "Rs");
return 1;
}
static int
mdoc_no_pre(MDOC_ARGS)
{
print_otag(h, TAG_SPAN, "c", "No");
return 1;
}
static int
mdoc_li_pre(MDOC_ARGS)
{
print_otag(h, TAG_CODE, "c", "Li");
return 1;
}
static int
mdoc_sy_pre(MDOC_ARGS)
{
print_otag(h, TAG_B, "c", "Sy");
return 1;
}
static int
mdoc_lb_pre(MDOC_ARGS)
{
if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags && n->prev)
print_otag(h, TAG_BR, "");
print_otag(h, TAG_SPAN, "c", "Lb");
return 1;
}
static int
mdoc__x_pre(MDOC_ARGS)
{
const char *cattr;
enum htmltag t;
t = TAG_SPAN;
switch (n->tok) {
case MDOC__A:
cattr = "RsA";
if (n->prev && MDOC__A == n->prev->tok)
if (NULL == n->next || MDOC__A != n->next->tok)
print_text(h, "and");
break;
case MDOC__B:
t = TAG_I;
cattr = "RsB";
break;
case MDOC__C:
cattr = "RsC";
break;
case MDOC__D:
cattr = "RsD";
break;
case MDOC__I:
t = TAG_I;
cattr = "RsI";
break;
case MDOC__J:
t = TAG_I;
cattr = "RsJ";
break;
case MDOC__N:
cattr = "RsN";
break;
case MDOC__O:
cattr = "RsO";
break;
case MDOC__P:
cattr = "RsP";
break;
case MDOC__Q:
cattr = "RsQ";
break;
case MDOC__R:
cattr = "RsR";
break;
case MDOC__T:
cattr = "RsT";
break;
case MDOC__U:
print_otag(h, TAG_A, "ch", "RsU", n->child->string);
return 1;
case MDOC__V:
cattr = "RsV";
break;
default:
abort();
}
print_otag(h, t, "c", cattr);
return 1;
}
static void
mdoc__x_post(MDOC_ARGS)
{
if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
if (NULL == n->next->next || MDOC__A != n->next->next->tok)
if (NULL == n->prev || MDOC__A != n->prev->tok)
return;
/* TODO: %U */
if (NULL == n->parent || MDOC_Rs != n->parent->tok)
return;
h->flags |= HTML_NOSPACE;
print_text(h, n->next ? "," : ".");
}
static int
mdoc_bk_pre(MDOC_ARGS)
{
switch (n->type) {
case ROFFT_BLOCK:
break;
case ROFFT_HEAD:
return 0;
case ROFFT_BODY:
if (n->parent->args != NULL || n->prev->child == NULL)
h->flags |= HTML_PREKEEP;
break;
default:
abort();
}
return 1;
}
static void
mdoc_bk_post(MDOC_ARGS)
{
if (n->type == ROFFT_BODY)
h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
}
static int
mdoc_quote_pre(MDOC_ARGS)
{
if (n->type != ROFFT_BODY)
return 1;
switch (n->tok) {
case MDOC_Ao:
case MDOC_Aq:
print_text(h, n->child != NULL && n->child->next == NULL &&
n->child->tok == MDOC_Mt ? "<" : "\\(la");
break;
case MDOC_Bro:
case MDOC_Brq:
print_text(h, "\\(lC");
break;
case MDOC_Bo:
case MDOC_Bq:
print_text(h, "\\(lB");
break;
case MDOC_Oo:
case MDOC_Op:
print_text(h, "\\(lB");
h->flags |= HTML_NOSPACE;
print_otag(h, TAG_SPAN, "c", "Op");
break;
case MDOC_En:
if (NULL == n->norm->Es ||
NULL == n->norm->Es->child)
return 1;
print_text(h, n->norm->Es->child->string);
break;
case MDOC_Do:
case MDOC_Dq:
case MDOC_Qo:
case MDOC_Qq:
print_text(h, "\\(lq");
break;
case MDOC_Po:
case MDOC_Pq:
print_text(h, "(");
break;
case MDOC_Ql:
print_text(h, "\\(oq");
h->flags |= HTML_NOSPACE;
print_otag(h, TAG_CODE, "c", "Li");
break;
case MDOC_So:
case MDOC_Sq:
print_text(h, "\\(oq");
break;
default:
abort();
}
h->flags |= HTML_NOSPACE;
return 1;
}
static void
mdoc_quote_post(MDOC_ARGS)
{
if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
return;
h->flags |= HTML_NOSPACE;
switch (n->tok) {
case MDOC_Ao:
case MDOC_Aq:
print_text(h, n->child != NULL && n->child->next == NULL &&
n->child->tok == MDOC_Mt ? ">" : "\\(ra");
break;
case MDOC_Bro:
case MDOC_Brq:
print_text(h, "\\(rC");
break;
case MDOC_Oo:
case MDOC_Op:
case MDOC_Bo:
case MDOC_Bq:
print_text(h, "\\(rB");
break;
case MDOC_En:
if (n->norm->Es == NULL ||
n->norm->Es->child == NULL ||
n->norm->Es->child->next == NULL)
h->flags &= ~HTML_NOSPACE;
else
print_text(h, n->norm->Es->child->next->string);
break;
case MDOC_Qo:
case MDOC_Qq:
case MDOC_Do:
case MDOC_Dq:
print_text(h, "\\(rq");
break;
case MDOC_Po:
case MDOC_Pq:
print_text(h, ")");
break;
case MDOC_Ql:
case MDOC_So:
case MDOC_Sq:
print_text(h, "\\(cq");
break;
default:
abort();
}
}
static int
mdoc_eo_pre(MDOC_ARGS)
{
if (n->type != ROFFT_BODY)
return 1;
if (n->end == ENDBODY_NOT &&
n->parent->head->child == NULL &&
n->child != NULL &&
n->child->end != ENDBODY_NOT)
print_text(h, "\\&");
else if (n->end != ENDBODY_NOT ? n->child != NULL :
n->parent->head->child != NULL && (n->child != NULL ||
(n->parent->tail != NULL && n->parent->tail->child != NULL)))
h->flags |= HTML_NOSPACE;
return 1;
}
static void
mdoc_eo_post(MDOC_ARGS)
{
int body, tail;
if (n->type != ROFFT_BODY)
return;
if (n->end != ENDBODY_NOT) {
h->flags &= ~HTML_NOSPACE;
return;
}
body = n->child != NULL || n->parent->head->child != NULL;
tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
if (body && tail)
h->flags |= HTML_NOSPACE;
else if ( ! tail)
h->flags &= ~HTML_NOSPACE;
}