mdoc_html.c revision 371584c2eae4cf827fd406ba26c14f021adaaa70
/* $Id: mdoc_html.c,v 1.240 2016/01/08 17:48:09 schwarze Exp $ */
/*
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2014, 2015, 2016 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 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 a2width(const char *, struct roffsu *);
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_bt_pre(MDOC_ARGS);
static int mdoc_bx_pre(MDOC_ARGS);
static int mdoc_cd_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_rv_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_sx_pre(MDOC_ARGS);
static int mdoc_sy_pre(MDOC_ARGS);
static int mdoc_ud_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_fl_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_rv_pre, NULL}, /* Rv */
{NULL, 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 */
{NULL, 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_bx_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 */
{mdoc_bt_pre, NULL}, /* Bt */
{NULL, NULL}, /* Hf */
{mdoc_em_pre, NULL}, /* Fr */
{mdoc_ud_pre, 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 */
};
static const char * const lists[LIST_MAX] = {
NULL,
"list-bul",
"list-col",
"list-dash",
"list-diag",
"list-enum",
"list-hang",
"list-hyph",
"list-inset",
"list-item",
"list-ohang",
"list-tag"
};
/*
* Calculate the scaling unit passed in a `-width' argument. This uses
* either a native scaling unit (e.g., 1i, 2m) or the string length of
* the value.
*/
static void
a2width(const char *p, struct roffsu *su)
{
if (a2roffsu(p, su, SCALE_MAX) < 2) {
su->unit = SCALE_EN;
su->scale = html_strlen(p);
} else if (su->scale < 0.0)
su->scale = 0.0;
}
/*
* 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 || ! (MDOC_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, 0, NULL);
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, 0, NULL);
break;
}
}
void
html_mdoc(void *arg, const struct roff_man *mdoc)
{
struct htmlpair tag;
struct html *h;
struct tag *t, *tt;
PAIR_CLASS_INIT(&tag, "mandoc");
h = (struct html *)arg;
if ( ! (HTML_FRAGMENT & h->oflags)) {
print_gen_decls(h);
t = print_otag(h, TAG_HTML, 0, NULL);
tt = print_otag(h, TAG_HEAD, 0, NULL);
print_mdoc_head(&mdoc->meta, mdoc->first->child, h);
print_tagq(h, tt);
print_otag(h, TAG_BODY, 0, NULL);
print_otag(h, TAG_DIV, 1, &tag);
} else
t = print_otag(h, TAG_DIV, 1, &tag);
mdoc_root_pre(&mdoc->meta, mdoc->first->child, h);
print_mdoc_nodelist(&mdoc->meta, mdoc->first->child, h);
mdoc_root_post(&mdoc->meta, mdoc->first->child, h);
print_tagq(h, t);
putchar('\n');
}
static void
print_mdoc_head(MDOC_ARGS)
{
print_gen_head(h);
bufinit(h);
bufcat(h, meta->title);
if (meta->msec)
bufcat_fmt(h, "(%s)", meta->msec);
if (meta->arch)
bufcat_fmt(h, " (%s)", meta->arch);
print_otag(h, TAG_TITLE, 0, NULL);
print_text(h, h->buf);
}
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;
child = 1;
t = h->tags.head;
n->flags &= ~MDOC_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 && MDOC_LINE & n->flags)
if ( ! (HTML_LITERAL & h->flags))
print_otag(h, TAG_BR, 0, NULL);
if (MDOC_DELIMC & n->flags)
h->flags |= HTML_NOSPACE;
print_text(h, n->string);
if (MDOC_DELIMO & n->flags)
h->flags |= HTML_NOSPACE;
return;
case ROFFT_EQN:
if (n->flags & MDOC_LINE)
putchar('\n');
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->tags.head;
}
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 & MDOC_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 & MDOC_ENDED)
break;
(*mdocs[n->tok].post)(meta, n, h);
if (n->end != ENDBODY_NOT)
n->body->flags |= MDOC_ENDED;
if (n->end == ENDBODY_NOSPACE)
h->flags |= HTML_NOSPACE;
break;
}
}
static void
mdoc_root_post(MDOC_ARGS)
{
struct htmlpair tag;
struct tag *t, *tt;
PAIR_CLASS_INIT(&tag, "foot");
t = print_otag(h, TAG_TABLE, 1, &tag);
print_otag(h, TAG_TBODY, 0, NULL);
tt = print_otag(h, TAG_TR, 0, NULL);
PAIR_CLASS_INIT(&tag, "foot-date");
print_otag(h, TAG_TD, 1, &tag);
print_text(h, meta->date);
print_stagq(h, tt);
PAIR_CLASS_INIT(&tag, "foot-os");
print_otag(h, TAG_TD, 1, &tag);
print_text(h, meta->os);
print_tagq(h, t);
}
static int
mdoc_root_pre(MDOC_ARGS)
{
struct htmlpair tag;
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);
PAIR_CLASS_INIT(&tag, "head");
t = print_otag(h, TAG_TABLE, 1, &tag);
print_otag(h, TAG_TBODY, 0, NULL);
tt = print_otag(h, TAG_TR, 0, NULL);
PAIR_CLASS_INIT(&tag, "head-ltitle");
print_otag(h, TAG_TD, 1, &tag);
print_text(h, title);
print_stagq(h, tt);
PAIR_CLASS_INIT(&tag, "head-vol");
print_otag(h, TAG_TD, 1, &tag);
print_text(h, volume);
print_stagq(h, tt);
PAIR_CLASS_INIT(&tag, "head-rtitle");
print_otag(h, TAG_TD, 1, &tag);
print_text(h, title);
print_tagq(h, t);
free(title);
free(volume);
return 1;
}
static int
mdoc_sh_pre(MDOC_ARGS)
{
struct htmlpair tag;
switch (n->type) {
case ROFFT_BLOCK:
PAIR_CLASS_INIT(&tag, "section");
print_otag(h, TAG_DIV, 1, &tag);
return 1;
case ROFFT_BODY:
if (n->sec == SEC_AUTHORS)
h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
return 1;
default:
break;
}
bufinit(h);
for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
bufcat_id(h, n->string);
if (NULL != (n = n->next))
bufcat_id(h, " ");
}
if (NULL == n) {
PAIR_ID_INIT(&tag, h->buf);
print_otag(h, TAG_H1, 1, &tag);
} else
print_otag(h, TAG_H1, 0, NULL);
return 1;
}
static int
mdoc_ss_pre(MDOC_ARGS)
{
struct htmlpair tag;
if (n->type == ROFFT_BLOCK) {
PAIR_CLASS_INIT(&tag, "subsection");
print_otag(h, TAG_DIV, 1, &tag);
return 1;
} else if (n->type == ROFFT_BODY)
return 1;
bufinit(h);
for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
bufcat_id(h, n->string);
if (NULL != (n = n->next))
bufcat_id(h, " ");
}
if (NULL == n) {
PAIR_ID_INIT(&tag, h->buf);
print_otag(h, TAG_H2, 1, &tag);
} else
print_otag(h, TAG_H2, 0, NULL);
return 1;
}
static int
mdoc_fl_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "flag");
print_otag(h, TAG_B, 1, &tag);
/* `Cm' has no leading hyphen. */
if (MDOC_Cm == n->tok)
return 1;
print_text(h, "\\-");
if (!(n->child == NULL &&
(n->next == NULL ||
n->next->type == ROFFT_TEXT ||
n->next->flags & MDOC_LINE)))
h->flags |= HTML_NOSPACE;
return 1;
}
static int
mdoc_nd_pre(MDOC_ARGS)
{
struct htmlpair tag;
if (n->type != ROFFT_BODY)
return 1;
/* XXX: this tag in theory can contain block elements. */
print_text(h, "\\(em");
PAIR_CLASS_INIT(&tag, "desc");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_nm_pre(MDOC_ARGS)
{
struct htmlpair tag;
struct roffsu su;
int len;
switch (n->type) {
case ROFFT_HEAD:
print_otag(h, TAG_TD, 0, NULL);
/* FALLTHROUGH */
case ROFFT_ELEM:
PAIR_CLASS_INIT(&tag, "name");
print_otag(h, TAG_B, 1, &tag);
if (n->child == NULL && meta->name != NULL)
print_text(h, meta->name);
return 1;
case ROFFT_BODY:
print_otag(h, TAG_TD, 0, NULL);
return 1;
default:
break;
}
synopsis_pre(h, n);
PAIR_CLASS_INIT(&tag, "synopsis");
print_otag(h, TAG_TABLE, 1, &tag);
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);
SCALE_HS_INIT(&su, len);
bufinit(h);
bufcat_su(h, "width", &su);
PAIR_STYLE_INIT(&tag, h);
print_otag(h, TAG_COL, 1, &tag);
print_otag(h, TAG_COL, 0, NULL);
print_otag(h, TAG_TBODY, 0, NULL);
print_otag(h, TAG_TR, 0, NULL);
return 1;
}
static int
mdoc_xr_pre(MDOC_ARGS)
{
struct htmlpair tag[2];
if (NULL == n->child)
return 0;
PAIR_CLASS_INIT(&tag[0], "link-man");
if (h->base_man) {
buffmt_man(h, n->child->string,
n->child->next ?
n->child->next->string : NULL);
PAIR_HREF_INIT(&tag[1], h->buf);
print_otag(h, TAG_A, 2, tag);
} else
print_otag(h, TAG_A, 1, tag);
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 ( ! (MDOC_LINE & n->flags))
h->flags |= HTML_NOSPACE;
return 1;
}
static int
mdoc_ar_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "arg");
print_otag(h, TAG_I, 1, &tag);
return 1;
}
static int
mdoc_xx_pre(MDOC_ARGS)
{
const char *pp;
struct htmlpair tag;
int flags;
switch (n->tok) {
case MDOC_Bsx:
pp = "BSD/OS";
break;
case MDOC_Dx:
pp = "DragonFly";
break;
case MDOC_Fx:
pp = "FreeBSD";
break;
case MDOC_Nx:
pp = "NetBSD";
break;
case MDOC_Ox:
pp = "OpenBSD";
break;
case MDOC_Ux:
pp = "UNIX";
break;
default:
return 1;
}
PAIR_CLASS_INIT(&tag, "unix");
print_otag(h, TAG_SPAN, 1, &tag);
print_text(h, pp);
if (n->child) {
flags = h->flags;
h->flags |= HTML_KEEP;
print_text(h, n->child->string);
h->flags = flags;
}
return 0;
}
static int
mdoc_bx_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "unix");
print_otag(h, TAG_SPAN, 1, &tag);
if (NULL != (n = n->child)) {
print_text(h, n->string);
h->flags |= HTML_NOSPACE;
print_text(h, "BSD");
} else {
print_text(h, "BSD");
return 0;
}
if (NULL != (n = n->next)) {
h->flags |= HTML_NOSPACE;
print_text(h, "-");
h->flags |= HTML_NOSPACE;
print_text(h, n->string);
}
return 0;
}
static int
mdoc_it_pre(MDOC_ARGS)
{
struct roffsu su;
enum mdoc_list type;
struct htmlpair tag[2];
const struct roff_node *bl;
bl = n->parent;
while (bl && MDOC_Bl != bl->tok)
bl = bl->parent;
assert(bl);
type = bl->norm->Bl.type;
assert(lists[type]);
PAIR_CLASS_INIT(&tag[0], lists[type]);
bufinit(h);
if (n->type == ROFFT_HEAD) {
switch (type) {
case LIST_bullet:
case LIST_dash:
case LIST_item:
case LIST_hyphen:
case LIST_enum:
return 0;
case LIST_diag:
case LIST_hang:
case LIST_inset:
case LIST_ohang:
case LIST_tag:
SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
bufcat_su(h, "margin-top", &su);
PAIR_STYLE_INIT(&tag[1], h);
print_otag(h, TAG_DT, 2, tag);
if (LIST_diag != type)
break;
PAIR_CLASS_INIT(&tag[0], "diag");
print_otag(h, TAG_B, 1, tag);
break;
case LIST_column:
break;
default:
break;
}
} else if (n->type == ROFFT_BODY) {
switch (type) {
case LIST_bullet:
case LIST_hyphen:
case LIST_dash:
case LIST_enum:
case LIST_item:
SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
bufcat_su(h, "margin-top", &su);
PAIR_STYLE_INIT(&tag[1], h);
print_otag(h, TAG_LI, 2, tag);
break;
case LIST_diag:
case LIST_hang:
case LIST_inset:
case LIST_ohang:
case LIST_tag:
if (NULL == bl->norm->Bl.width) {
print_otag(h, TAG_DD, 1, tag);
break;
}
a2width(bl->norm->Bl.width, &su);
bufcat_su(h, "margin-left", &su);
PAIR_STYLE_INIT(&tag[1], h);
print_otag(h, TAG_DD, 2, tag);
break;
case LIST_column:
SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
bufcat_su(h, "margin-top", &su);
PAIR_STYLE_INIT(&tag[1], h);
print_otag(h, TAG_TD, 2, tag);
break;
default:
break;
}
} else {
switch (type) {
case LIST_column:
print_otag(h, TAG_TR, 1, tag);
break;
default:
break;
}
}
return 1;
}
static int
mdoc_bl_pre(MDOC_ARGS)
{
int i;
struct htmlpair tag[3];
struct roffsu su;
char buf[BUFSIZ];
if (n->type == ROFFT_BODY) {
if (LIST_column == n->norm->Bl.type)
print_otag(h, TAG_TBODY, 0, NULL);
return 1;
}
if (n->type == ROFFT_HEAD) {
if (LIST_column != n->norm->Bl.type)
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.
*/
for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
bufinit(h);
a2width(n->norm->Bl.cols[i], &su);
if (i < (int)n->norm->Bl.ncols - 1)
bufcat_su(h, "width", &su);
else
bufcat_su(h, "min-width", &su);
PAIR_STYLE_INIT(&tag[0], h);
print_otag(h, TAG_COL, 1, tag);
}
return 0;
}
SCALE_VS_INIT(&su, 0);
bufinit(h);
bufcat_su(h, "margin-top", &su);
bufcat_su(h, "margin-bottom", &su);
PAIR_STYLE_INIT(&tag[0], h);
assert(lists[n->norm->Bl.type]);
(void)strlcpy(buf, "list ", BUFSIZ);
(void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
PAIR_INIT(&tag[1], ATTR_CLASS, buf);
/* Set the block's left-hand margin. */
if (n->norm->Bl.offs) {
a2width(n->norm->Bl.offs, &su);
bufcat_su(h, "margin-left", &su);
}
switch (n->norm->Bl.type) {
case LIST_bullet:
case LIST_dash:
case LIST_hyphen:
case LIST_item:
print_otag(h, TAG_UL, 2, tag);
break;
case LIST_enum:
print_otag(h, TAG_OL, 2, tag);
break;
case LIST_diag:
case LIST_hang:
case LIST_inset:
case LIST_ohang:
case LIST_tag:
print_otag(h, TAG_DL, 2, tag);
break;
case LIST_column:
print_otag(h, TAG_TABLE, 2, tag);
break;
default:
abort();
}
return 1;
}
static int
mdoc_ex_pre(MDOC_ARGS)
{
struct htmlpair tag;
struct tag *t;
struct roff_node *nch;
if (n->prev)
print_otag(h, TAG_BR, 0, NULL);
PAIR_CLASS_INIT(&tag, "utility");
print_text(h, "The");
for (nch = n->child; nch != NULL; nch = nch->next) {
assert(nch->type == ROFFT_TEXT);
t = print_otag(h, TAG_B, 1, &tag);
print_text(h, nch->string);
print_tagq(h, t);
if (nch->next == NULL)
continue;
if (nch->prev != NULL || nch->next->next != NULL) {
h->flags |= HTML_NOSPACE;
print_text(h, ",");
}
if (nch->next->next == NULL)
print_text(h, "and");
}
if (n->child != NULL && n->child->next != NULL)
print_text(h, "utilities exit\\~0");
else
print_text(h, "utility exits\\~0");
print_text(h, "on success, and\\~>0 if an error occurs.");
return 0;
}
static int
mdoc_em_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "emph");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_d1_pre(MDOC_ARGS)
{
struct htmlpair tag[2];
struct roffsu su;
if (n->type != ROFFT_BLOCK)
return 1;
SCALE_VS_INIT(&su, 0);
bufinit(h);
bufcat_su(h, "margin-top", &su);
bufcat_su(h, "margin-bottom", &su);
PAIR_STYLE_INIT(&tag[0], h);
print_otag(h, TAG_BLOCKQUOTE, 1, tag);
/* BLOCKQUOTE needs a block body. */
PAIR_CLASS_INIT(&tag[0], "display");
print_otag(h, TAG_DIV, 1, tag);
if (MDOC_Dl == n->tok) {
PAIR_CLASS_INIT(&tag[0], "lit");
print_otag(h, TAG_CODE, 1, tag);
}
return 1;
}
static int
mdoc_sx_pre(MDOC_ARGS)
{
struct htmlpair tag[2];
bufinit(h);
bufcat(h, "#");
for (n = n->child; n; ) {
bufcat_id(h, n->string);
if (NULL != (n = n->next))
bufcat_id(h, " ");
}
PAIR_CLASS_INIT(&tag[0], "link-sec");
PAIR_HREF_INIT(&tag[1], h->buf);
print_otag(h, TAG_I, 1, tag);
print_otag(h, TAG_A, 2, tag);
return 1;
}
static int
mdoc_bd_pre(MDOC_ARGS)
{
struct htmlpair tag[2];
int comp, sv;
struct roff_node *nn;
struct roffsu su;
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"))
SCALE_HS_INIT(&su, 0);
else if ( ! strcmp(n->norm->Bd.offs, "indent"))
SCALE_HS_INIT(&su, INDENT);
else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
SCALE_HS_INIT(&su, INDENT * 2);
else
a2width(n->norm->Bd.offs, &su);
bufinit(h);
bufcat_su(h, "margin-left", &su);
PAIR_STYLE_INIT(&tag[0], h);
if (DISP_unfilled != n->norm->Bd.type &&
DISP_literal != n->norm->Bd.type) {
PAIR_CLASS_INIT(&tag[1], "display");
print_otag(h, TAG_DIV, 2, tag);
return 1;
}
PAIR_CLASS_INIT(&tag[1], "lit display");
print_otag(h, TAG_PRE, 2, tag);
/* 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 & MDOC_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)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "file");
print_otag(h, TAG_I, 1, &tag);
return 1;
}
static int
mdoc_ad_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "addr");
print_otag(h, TAG_I, 1, &tag);
return 1;
}
static int
mdoc_an_pre(MDOC_ARGS)
{
struct htmlpair tag;
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, 0, NULL);
if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
h->flags |= HTML_SPLIT;
PAIR_CLASS_INIT(&tag, "author");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_cd_pre(MDOC_ARGS)
{
struct htmlpair tag;
synopsis_pre(h, n);
PAIR_CLASS_INIT(&tag, "config");
print_otag(h, TAG_B, 1, &tag);
return 1;
}
static int
mdoc_dv_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "define");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_ev_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "env");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_er_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "errno");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_fa_pre(MDOC_ARGS)
{
const struct roff_node *nn;
struct htmlpair tag;
struct tag *t;
PAIR_CLASS_INIT(&tag, "farg");
if (n->parent->tok != MDOC_Fo) {
print_otag(h, TAG_I, 1, &tag);
return 1;
}
for (nn = n->child; nn; nn = nn->next) {
t = print_otag(h, TAG_I, 1, &tag);
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 htmlpair tag[2];
char buf[BUFSIZ];
size_t sz;
int i;
struct tag *t;
synopsis_pre(h, n);
if (NULL == (n = n->child))
return 0;
assert(n->type == ROFFT_TEXT);
if (strcmp(n->string, "#include")) {
PAIR_CLASS_INIT(&tag[0], "macro");
print_otag(h, TAG_B, 1, tag);
return 1;
}
PAIR_CLASS_INIT(&tag[0], "includes");
print_otag(h, TAG_B, 1, tag);
print_text(h, n->string);
if (NULL != (n = n->next)) {
assert(n->type == ROFFT_TEXT);
/*
* XXX This is broken and not easy to fix.
* When using -Oincludes, truncation may occur.
* Dynamic allocation wouldn't help because
* passing long strings to buffmt_includes()
* does not work either.
*/
strlcpy(buf, '<' == *n->string || '"' == *n->string ?
n->string + 1 : n->string, BUFSIZ);
sz = strlen(buf);
if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
buf[sz - 1] = '\0';
PAIR_CLASS_INIT(&tag[0], "link-includes");
i = 1;
if (h->base_includes) {
buffmt_includes(h, buf);
PAIR_HREF_INIT(&tag[i], h->buf);
i++;
}
t = print_otag(h, TAG_A, i, tag);
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)
{
struct htmlpair tag;
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;
PAIR_CLASS_INIT(&tag, "type");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_ft_pre(MDOC_ARGS)
{
struct htmlpair tag;
synopsis_pre(h, n);
PAIR_CLASS_INIT(&tag, "ftype");
print_otag(h, TAG_I, 1, &tag);
return 1;
}
static int
mdoc_fn_pre(MDOC_ARGS)
{
struct tag *t;
struct htmlpair tag[2];
char nbuf[BUFSIZ];
const char *sp, *ep;
int sz, i, pretty;
pretty = MDOC_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) {
PAIR_CLASS_INIT(&tag[0], "ftype");
t = print_otag(h, TAG_I, 1, tag);
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);
}
PAIR_CLASS_INIT(&tag[0], "fname");
/*
* FIXME: only refer to IDs that we know exist.
*/
#if 0
if (MDOC_SYNPRETTY & n->flags) {
nbuf[0] = '\0';
html_idcat(nbuf, sp, BUFSIZ);
PAIR_ID_INIT(&tag[1], nbuf);
} else {
strlcpy(nbuf, "#", BUFSIZ);
html_idcat(nbuf, sp, BUFSIZ);
PAIR_HREF_INIT(&tag[1], nbuf);
}
#endif
t = print_otag(h, TAG_B, 1, tag);
if (sp)
print_text(h, sp);
print_tagq(h, t);
h->flags |= HTML_NOSPACE;
print_text(h, "(");
h->flags |= HTML_NOSPACE;
PAIR_CLASS_INIT(&tag[0], "farg");
bufinit(h);
bufcat_style(h, "white-space", "nowrap");
PAIR_STYLE_INIT(&tag[1], h);
for (n = n->child->next; n; n = n->next) {
i = 1;
if (MDOC_SYNPRETTY & n->flags)
i = 2;
t = print_otag(h, TAG_I, i, tag);
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;
struct htmlpair tag;
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;
bufinit(h);
bufcat_su(h, "height", &su);
PAIR_STYLE_INIT(&tag, h);
print_otag(h, TAG_DIV, 1, &tag);
/* So the div isn't empty: */
print_text(h, "\\~");
return 0;
}
static int
mdoc_lk_pre(MDOC_ARGS)
{
struct htmlpair tag[2];
if (NULL == (n = n->child))
return 0;
assert(n->type == ROFFT_TEXT);
PAIR_CLASS_INIT(&tag[0], "link-ext");
PAIR_HREF_INIT(&tag[1], n->string);
print_otag(h, TAG_A, 2, tag);
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 htmlpair tag[2];
struct tag *t;
PAIR_CLASS_INIT(&tag[0], "link-mail");
for (n = n->child; n; n = n->next) {
assert(n->type == ROFFT_TEXT);
bufinit(h);
bufcat(h, "mailto:");
bufcat(h, n->string);
PAIR_HREF_INIT(&tag[1], h->buf);
t = print_otag(h, TAG_A, 2, tag);
print_text(h, n->string);
print_tagq(h, t);
}
return 0;
}
static int
mdoc_fo_pre(MDOC_ARGS)
{
struct htmlpair tag;
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);
PAIR_CLASS_INIT(&tag, "fname");
t = print_otag(h, TAG_B, 1, &tag);
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;
struct htmlpair tag[2];
int i;
synopsis_pre(h, n);
PAIR_CLASS_INIT(&tag[0], "includes");
print_otag(h, TAG_B, 1, tag);
/*
* 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 (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
print_text(h, "#include");
print_text(h, "<");
h->flags |= HTML_NOSPACE;
if (NULL != (n = n->child)) {
assert(n->type == ROFFT_TEXT);
PAIR_CLASS_INIT(&tag[0], "link-includes");
i = 1;
if (h->base_includes) {
buffmt_includes(h, n->string);
PAIR_HREF_INIT(&tag[i], h->buf);
i++;
}
t = print_otag(h, TAG_A, i, tag);
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)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "cmd");
print_otag(h, TAG_B, 1, &tag);
return 1;
}
static int
mdoc_rv_pre(MDOC_ARGS)
{
struct htmlpair tag;
struct tag *t;
struct roff_node *nch;
if (n->prev)
print_otag(h, TAG_BR, 0, NULL);
PAIR_CLASS_INIT(&tag, "fname");
if (n->child != NULL) {
print_text(h, "The");
for (nch = n->child; nch != NULL; nch = nch->next) {
t = print_otag(h, TAG_B, 1, &tag);
print_text(h, nch->string);
print_tagq(h, t);
h->flags |= HTML_NOSPACE;
print_text(h, "()");
if (nch->next == NULL)
continue;
if (nch->prev != NULL || nch->next->next != NULL) {
h->flags |= HTML_NOSPACE;
print_text(h, ",");
}
if (nch->next->next == NULL)
print_text(h, "and");
}
if (n->child != NULL && n->child->next != NULL)
print_text(h, "functions return");
else
print_text(h, "function returns");
print_text(h, "the value\\~0 if successful;");
} else
print_text(h, "Upon successful completion,"
" the value\\~0 is returned;");
print_text(h, "otherwise the value\\~\\-1 is returned"
" and the global variable");
PAIR_CLASS_INIT(&tag, "var");
t = print_otag(h, TAG_B, 1, &tag);
print_text(h, "errno");
print_tagq(h, t);
print_text(h, "is set to indicate the error.");
return 0;
}
static int
mdoc_va_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "var");
print_otag(h, TAG_B, 1, &tag);
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)
{
struct htmlpair tag[2];
struct roffsu su;
if (n->type == ROFFT_HEAD)
return 0;
else if (n->type != ROFFT_BODY)
return 1;
if (FONT_Em == n->norm->Bf.font)
PAIR_CLASS_INIT(&tag[0], "emph");
else if (FONT_Sy == n->norm->Bf.font)
PAIR_CLASS_INIT(&tag[0], "symb");
else if (FONT_Li == n->norm->Bf.font)
PAIR_CLASS_INIT(&tag[0], "lit");
else
PAIR_CLASS_INIT(&tag[0], "none");
/*
* We want this to be inline-formatted, but needs to be div to
* accept block children.
*/
bufinit(h);
bufcat_style(h, "display", "inline");
SCALE_HS_INIT(&su, 1);
/* Needs a left-margin for spacing. */
bufcat_su(h, "margin-left", &su);
PAIR_STYLE_INIT(&tag[1], h);
print_otag(h, TAG_DIV, 2, tag);
return 1;
}
static int
mdoc_ms_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "symb");
print_otag(h, TAG_SPAN, 1, &tag);
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 & MDOC_LINE))
h->flags |= HTML_NOSPACE;
}
static int
mdoc_rs_pre(MDOC_ARGS)
{
struct htmlpair tag;
if (n->type != ROFFT_BLOCK)
return 1;
if (n->prev && SEC_SEE_ALSO == n->sec)
print_paragraph(h);
PAIR_CLASS_INIT(&tag, "ref");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_no_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "none");
print_otag(h, TAG_CODE, 1, &tag);
return 1;
}
static int
mdoc_li_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "lit");
print_otag(h, TAG_CODE, 1, &tag);
return 1;
}
static int
mdoc_sy_pre(MDOC_ARGS)
{
struct htmlpair tag;
PAIR_CLASS_INIT(&tag, "symb");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc_bt_pre(MDOC_ARGS)
{
print_text(h, "is currently in beta test.");
return 0;
}
static int
mdoc_ud_pre(MDOC_ARGS)
{
print_text(h, "currently under development.");
return 0;
}
static int
mdoc_lb_pre(MDOC_ARGS)
{
struct htmlpair tag;
if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
print_otag(h, TAG_BR, 0, NULL);
PAIR_CLASS_INIT(&tag, "lib");
print_otag(h, TAG_SPAN, 1, &tag);
return 1;
}
static int
mdoc__x_pre(MDOC_ARGS)
{
struct htmlpair tag[2];
enum htmltag t;
t = TAG_SPAN;
switch (n->tok) {
case MDOC__A:
PAIR_CLASS_INIT(&tag[0], "ref-auth");
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:
PAIR_CLASS_INIT(&tag[0], "ref-book");
t = TAG_I;
break;
case MDOC__C:
PAIR_CLASS_INIT(&tag[0], "ref-city");
break;
case MDOC__D:
PAIR_CLASS_INIT(&tag[0], "ref-date");
break;
case MDOC__I:
PAIR_CLASS_INIT(&tag[0], "ref-issue");
t = TAG_I;
break;
case MDOC__J:
PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
t = TAG_I;
break;
case MDOC__N:
PAIR_CLASS_INIT(&tag[0], "ref-num");
break;
case MDOC__O:
PAIR_CLASS_INIT(&tag[0], "ref-opt");
break;
case MDOC__P:
PAIR_CLASS_INIT(&tag[0], "ref-page");
break;
case MDOC__Q:
PAIR_CLASS_INIT(&tag[0], "ref-corp");
break;
case MDOC__R:
PAIR_CLASS_INIT(&tag[0], "ref-rep");
break;
case MDOC__T:
PAIR_CLASS_INIT(&tag[0], "ref-title");
break;
case MDOC__U:
PAIR_CLASS_INIT(&tag[0], "link-ref");
break;
case MDOC__V:
PAIR_CLASS_INIT(&tag[0], "ref-vol");
break;
default:
abort();
}
if (MDOC__U != n->tok) {
print_otag(h, t, 1, tag);
return 1;
}
PAIR_HREF_INIT(&tag[1], n->child->string);
print_otag(h, TAG_A, 2, tag);
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)
{
struct htmlpair tag;
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;
PAIR_CLASS_INIT(&tag, "opt");
print_otag(h, TAG_SPAN, 1, &tag);
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;
PAIR_CLASS_INIT(&tag, "lit");
print_otag(h, TAG_CODE, 1, &tag);
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;
}