676 lines
13 KiB
C
676 lines
13 KiB
C
/* $Id: man_html.c,v 1.107 2014/12/04 02:05:42 schwarze Exp $ */
|
|
/*
|
|
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
|
|
* Copyright (c) 2013, 2014 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.
|
|
*/
|
|
#include "config.h"
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "mandoc_aux.h"
|
|
#include "man.h"
|
|
#include "out.h"
|
|
#include "html.h"
|
|
#include "main.h"
|
|
|
|
/* TODO: preserve ident widths. */
|
|
/* FIXME: have PD set the default vspace width. */
|
|
|
|
#define INDENT 5
|
|
|
|
#define MAN_ARGS const struct man_meta *man, \
|
|
const struct man_node *n, \
|
|
struct mhtml *mh, \
|
|
struct html *h
|
|
|
|
struct mhtml {
|
|
int fl;
|
|
#define MANH_LITERAL (1 << 0) /* literal context */
|
|
};
|
|
|
|
struct htmlman {
|
|
int (*pre)(MAN_ARGS);
|
|
int (*post)(MAN_ARGS);
|
|
};
|
|
|
|
static void print_bvspace(struct html *,
|
|
const struct man_node *);
|
|
static void print_man(MAN_ARGS);
|
|
static void print_man_head(MAN_ARGS);
|
|
static void print_man_nodelist(MAN_ARGS);
|
|
static void print_man_node(MAN_ARGS);
|
|
static int a2width(const struct man_node *,
|
|
struct roffsu *);
|
|
static int man_B_pre(MAN_ARGS);
|
|
static int man_HP_pre(MAN_ARGS);
|
|
static int man_IP_pre(MAN_ARGS);
|
|
static int man_I_pre(MAN_ARGS);
|
|
static int man_OP_pre(MAN_ARGS);
|
|
static int man_PP_pre(MAN_ARGS);
|
|
static int man_RS_pre(MAN_ARGS);
|
|
static int man_SH_pre(MAN_ARGS);
|
|
static int man_SM_pre(MAN_ARGS);
|
|
static int man_SS_pre(MAN_ARGS);
|
|
static int man_UR_pre(MAN_ARGS);
|
|
static int man_alt_pre(MAN_ARGS);
|
|
static int man_br_pre(MAN_ARGS);
|
|
static int man_ign_pre(MAN_ARGS);
|
|
static int man_in_pre(MAN_ARGS);
|
|
static int man_literal_pre(MAN_ARGS);
|
|
static void man_root_post(MAN_ARGS);
|
|
static void man_root_pre(MAN_ARGS);
|
|
|
|
static const struct htmlman mans[MAN_MAX] = {
|
|
{ man_br_pre, NULL }, /* br */
|
|
{ NULL, NULL }, /* TH */
|
|
{ man_SH_pre, NULL }, /* SH */
|
|
{ man_SS_pre, NULL }, /* SS */
|
|
{ man_IP_pre, NULL }, /* TP */
|
|
{ man_PP_pre, NULL }, /* LP */
|
|
{ man_PP_pre, NULL }, /* PP */
|
|
{ man_PP_pre, NULL }, /* P */
|
|
{ man_IP_pre, NULL }, /* IP */
|
|
{ man_HP_pre, NULL }, /* HP */
|
|
{ man_SM_pre, NULL }, /* SM */
|
|
{ man_SM_pre, NULL }, /* SB */
|
|
{ man_alt_pre, NULL }, /* BI */
|
|
{ man_alt_pre, NULL }, /* IB */
|
|
{ man_alt_pre, NULL }, /* BR */
|
|
{ man_alt_pre, NULL }, /* RB */
|
|
{ NULL, NULL }, /* R */
|
|
{ man_B_pre, NULL }, /* B */
|
|
{ man_I_pre, NULL }, /* I */
|
|
{ man_alt_pre, NULL }, /* IR */
|
|
{ man_alt_pre, NULL }, /* RI */
|
|
{ man_ign_pre, NULL }, /* na */
|
|
{ man_br_pre, NULL }, /* sp */
|
|
{ man_literal_pre, NULL }, /* nf */
|
|
{ man_literal_pre, NULL }, /* fi */
|
|
{ NULL, NULL }, /* RE */
|
|
{ man_RS_pre, NULL }, /* RS */
|
|
{ man_ign_pre, NULL }, /* DT */
|
|
{ man_ign_pre, NULL }, /* UC */
|
|
{ man_ign_pre, NULL }, /* PD */
|
|
{ man_ign_pre, NULL }, /* AT */
|
|
{ man_in_pre, NULL }, /* in */
|
|
{ man_ign_pre, NULL }, /* ft */
|
|
{ man_OP_pre, NULL }, /* OP */
|
|
{ man_literal_pre, NULL }, /* EX */
|
|
{ man_literal_pre, NULL }, /* EE */
|
|
{ man_UR_pre, NULL }, /* UR */
|
|
{ NULL, NULL }, /* UE */
|
|
{ man_ign_pre, NULL }, /* ll */
|
|
};
|
|
|
|
|
|
/*
|
|
* Printing leading vertical space before a block.
|
|
* This is used for the paragraph macros.
|
|
* The rules are pretty simple, since there's very little nesting going
|
|
* on here. Basically, if we're the first within another block (SS/SH),
|
|
* then don't emit vertical space. If we are (RS), then do. If not the
|
|
* first, print it.
|
|
*/
|
|
static void
|
|
print_bvspace(struct html *h, const struct man_node *n)
|
|
{
|
|
|
|
if (n->body && n->body->child)
|
|
if (MAN_TBL == n->body->child->type)
|
|
return;
|
|
|
|
if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
|
|
if (NULL == n->prev)
|
|
return;
|
|
|
|
print_paragraph(h);
|
|
}
|
|
|
|
void
|
|
html_man(void *arg, const struct man *man)
|
|
{
|
|
struct mhtml mh;
|
|
|
|
memset(&mh, 0, sizeof(struct mhtml));
|
|
print_man(man_meta(man), man_node(man), &mh, (struct html *)arg);
|
|
putchar('\n');
|
|
}
|
|
|
|
static void
|
|
print_man(MAN_ARGS)
|
|
{
|
|
struct tag *t, *tt;
|
|
struct htmlpair tag;
|
|
|
|
PAIR_CLASS_INIT(&tag, "mandoc");
|
|
|
|
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_man_head(man, n, mh, 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);
|
|
|
|
print_man_nodelist(man, n, mh, h);
|
|
print_tagq(h, t);
|
|
}
|
|
|
|
static void
|
|
print_man_head(MAN_ARGS)
|
|
{
|
|
|
|
print_gen_head(h);
|
|
assert(man->title);
|
|
assert(man->msec);
|
|
bufcat_fmt(h, "%s(%s)", man->title, man->msec);
|
|
print_otag(h, TAG_TITLE, 0, NULL);
|
|
print_text(h, h->buf);
|
|
}
|
|
|
|
static void
|
|
print_man_nodelist(MAN_ARGS)
|
|
{
|
|
|
|
print_man_node(man, n, mh, h);
|
|
if (n->next)
|
|
print_man_nodelist(man, n->next, mh, h);
|
|
}
|
|
|
|
static void
|
|
print_man_node(MAN_ARGS)
|
|
{
|
|
int child;
|
|
struct tag *t;
|
|
|
|
child = 1;
|
|
t = h->tags.head;
|
|
|
|
switch (n->type) {
|
|
case MAN_ROOT:
|
|
man_root_pre(man, n, mh, h);
|
|
break;
|
|
case MAN_TEXT:
|
|
if ('\0' == *n->string) {
|
|
print_paragraph(h);
|
|
return;
|
|
}
|
|
if (n->flags & MAN_LINE && (*n->string == ' ' ||
|
|
(n->prev != NULL && mh->fl & MANH_LITERAL &&
|
|
! (h->flags & HTML_NONEWLINE))))
|
|
print_otag(h, TAG_BR, 0, NULL);
|
|
print_text(h, n->string);
|
|
return;
|
|
case MAN_EQN:
|
|
print_eqn(h, n->eqn);
|
|
break;
|
|
case MAN_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 scope of font prior to opening a macro
|
|
* scope.
|
|
*/
|
|
if (HTMLFONT_NONE != h->metac) {
|
|
h->metal = h->metac;
|
|
h->metac = HTMLFONT_NONE;
|
|
}
|
|
|
|
/*
|
|
* 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) {
|
|
print_tblclose(h);
|
|
t = h->tags.head;
|
|
}
|
|
if (mans[n->tok].pre)
|
|
child = (*mans[n->tok].pre)(man, n, mh, h);
|
|
break;
|
|
}
|
|
|
|
if (child && n->child)
|
|
print_man_nodelist(man, n->child, mh, h);
|
|
|
|
/* This will automatically close out any font scope. */
|
|
print_stagq(h, t);
|
|
|
|
switch (n->type) {
|
|
case MAN_ROOT:
|
|
man_root_post(man, n, mh, h);
|
|
break;
|
|
case MAN_EQN:
|
|
break;
|
|
default:
|
|
if (mans[n->tok].post)
|
|
(*mans[n->tok].post)(man, n, mh, h);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
a2width(const struct man_node *n, struct roffsu *su)
|
|
{
|
|
|
|
if (MAN_TEXT != n->type)
|
|
return(0);
|
|
if (a2roffsu(n->string, su, SCALE_EN))
|
|
return(1);
|
|
|
|
return(0);
|
|
}
|
|
|
|
static void
|
|
man_root_pre(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag;
|
|
struct tag *t, *tt;
|
|
char *title;
|
|
|
|
assert(man->title);
|
|
assert(man->msec);
|
|
mandoc_asprintf(&title, "%s(%s)", man->title, man->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);
|
|
if (NULL != man->vol)
|
|
print_text(h, man->vol);
|
|
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);
|
|
}
|
|
|
|
static void
|
|
man_root_post(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag;
|
|
struct tag *t, *tt;
|
|
|
|
PAIR_CLASS_INIT(&tag, "foot");
|
|
t = print_otag(h, TAG_TABLE, 1, &tag);
|
|
|
|
tt = print_otag(h, TAG_TR, 0, NULL);
|
|
|
|
PAIR_CLASS_INIT(&tag, "foot-date");
|
|
print_otag(h, TAG_TD, 1, &tag);
|
|
|
|
assert(man->date);
|
|
print_text(h, man->date);
|
|
print_stagq(h, tt);
|
|
|
|
PAIR_CLASS_INIT(&tag, "foot-os");
|
|
print_otag(h, TAG_TD, 1, &tag);
|
|
|
|
if (man->source)
|
|
print_text(h, man->source);
|
|
print_tagq(h, t);
|
|
}
|
|
|
|
|
|
static int
|
|
man_br_pre(MAN_ARGS)
|
|
{
|
|
struct roffsu su;
|
|
struct htmlpair tag;
|
|
|
|
SCALE_VS_INIT(&su, 1);
|
|
|
|
if (MAN_sp == n->tok) {
|
|
if (NULL != (n = n->child))
|
|
if ( ! a2roffsu(n->string, &su, SCALE_VS))
|
|
SCALE_VS_INIT(&su, atoi(n->string));
|
|
} 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
|
|
man_SH_pre(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag;
|
|
|
|
if (MAN_BLOCK == n->type) {
|
|
mh->fl &= ~MANH_LITERAL;
|
|
PAIR_CLASS_INIT(&tag, "section");
|
|
print_otag(h, TAG_DIV, 1, &tag);
|
|
return(1);
|
|
} else if (MAN_BODY == n->type)
|
|
return(1);
|
|
|
|
print_otag(h, TAG_H1, 0, NULL);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
man_alt_pre(MAN_ARGS)
|
|
{
|
|
const struct man_node *nn;
|
|
int i, savelit;
|
|
enum htmltag fp;
|
|
struct tag *t;
|
|
|
|
if ((savelit = mh->fl & MANH_LITERAL))
|
|
print_otag(h, TAG_BR, 0, NULL);
|
|
|
|
mh->fl &= ~MANH_LITERAL;
|
|
|
|
for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
|
|
t = NULL;
|
|
switch (n->tok) {
|
|
case MAN_BI:
|
|
fp = i % 2 ? TAG_I : TAG_B;
|
|
break;
|
|
case MAN_IB:
|
|
fp = i % 2 ? TAG_B : TAG_I;
|
|
break;
|
|
case MAN_RI:
|
|
fp = i % 2 ? TAG_I : TAG_MAX;
|
|
break;
|
|
case MAN_IR:
|
|
fp = i % 2 ? TAG_MAX : TAG_I;
|
|
break;
|
|
case MAN_BR:
|
|
fp = i % 2 ? TAG_MAX : TAG_B;
|
|
break;
|
|
case MAN_RB:
|
|
fp = i % 2 ? TAG_B : TAG_MAX;
|
|
break;
|
|
default:
|
|
abort();
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
if (i)
|
|
h->flags |= HTML_NOSPACE;
|
|
|
|
if (TAG_MAX != fp)
|
|
t = print_otag(h, fp, 0, NULL);
|
|
|
|
print_man_node(man, nn, mh, h);
|
|
|
|
if (t)
|
|
print_tagq(h, t);
|
|
}
|
|
|
|
if (savelit)
|
|
mh->fl |= MANH_LITERAL;
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
man_SM_pre(MAN_ARGS)
|
|
{
|
|
|
|
print_otag(h, TAG_SMALL, 0, NULL);
|
|
if (MAN_SB == n->tok)
|
|
print_otag(h, TAG_B, 0, NULL);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
man_SS_pre(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag;
|
|
|
|
if (MAN_BLOCK == n->type) {
|
|
mh->fl &= ~MANH_LITERAL;
|
|
PAIR_CLASS_INIT(&tag, "subsection");
|
|
print_otag(h, TAG_DIV, 1, &tag);
|
|
return(1);
|
|
} else if (MAN_BODY == n->type)
|
|
return(1);
|
|
|
|
print_otag(h, TAG_H2, 0, NULL);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
man_PP_pre(MAN_ARGS)
|
|
{
|
|
|
|
if (MAN_HEAD == n->type)
|
|
return(0);
|
|
else if (MAN_BLOCK == n->type)
|
|
print_bvspace(h, n);
|
|
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
man_IP_pre(MAN_ARGS)
|
|
{
|
|
const struct man_node *nn;
|
|
|
|
if (MAN_BODY == n->type) {
|
|
print_otag(h, TAG_DD, 0, NULL);
|
|
return(1);
|
|
} else if (MAN_HEAD != n->type) {
|
|
print_otag(h, TAG_DL, 0, NULL);
|
|
return(1);
|
|
}
|
|
|
|
/* FIXME: width specification. */
|
|
|
|
print_otag(h, TAG_DT, 0, NULL);
|
|
|
|
/* For IP, only print the first header element. */
|
|
|
|
if (MAN_IP == n->tok && n->child)
|
|
print_man_node(man, n->child, mh, h);
|
|
|
|
/* For TP, only print next-line header elements. */
|
|
|
|
if (MAN_TP == n->tok) {
|
|
nn = n->child;
|
|
while (NULL != nn && 0 == (MAN_LINE & nn->flags))
|
|
nn = nn->next;
|
|
while (NULL != nn) {
|
|
print_man_node(man, nn, mh, h);
|
|
nn = nn->next;
|
|
}
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
man_HP_pre(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag[2];
|
|
struct roffsu su;
|
|
const struct man_node *np;
|
|
|
|
if (MAN_HEAD == n->type)
|
|
return(0);
|
|
else if (MAN_BLOCK != n->type)
|
|
return(1);
|
|
|
|
np = n->head->child;
|
|
|
|
if (NULL == np || ! a2width(np, &su))
|
|
SCALE_HS_INIT(&su, INDENT);
|
|
|
|
bufinit(h);
|
|
|
|
print_bvspace(h, n);
|
|
bufcat_su(h, "margin-left", &su);
|
|
su.scale = -su.scale;
|
|
bufcat_su(h, "text-indent", &su);
|
|
PAIR_STYLE_INIT(&tag[0], h);
|
|
PAIR_CLASS_INIT(&tag[1], "spacer");
|
|
print_otag(h, TAG_DIV, 2, tag);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
man_OP_pre(MAN_ARGS)
|
|
{
|
|
struct tag *tt;
|
|
struct htmlpair tag;
|
|
|
|
print_text(h, "[");
|
|
h->flags |= HTML_NOSPACE;
|
|
PAIR_CLASS_INIT(&tag, "opt");
|
|
tt = print_otag(h, TAG_SPAN, 1, &tag);
|
|
|
|
if (NULL != (n = n->child)) {
|
|
print_otag(h, TAG_B, 0, NULL);
|
|
print_text(h, n->string);
|
|
}
|
|
|
|
print_stagq(h, tt);
|
|
|
|
if (NULL != n && NULL != n->next) {
|
|
print_otag(h, TAG_I, 0, NULL);
|
|
print_text(h, n->next->string);
|
|
}
|
|
|
|
print_stagq(h, tt);
|
|
h->flags |= HTML_NOSPACE;
|
|
print_text(h, "]");
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
man_B_pre(MAN_ARGS)
|
|
{
|
|
|
|
print_otag(h, TAG_B, 0, NULL);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
man_I_pre(MAN_ARGS)
|
|
{
|
|
|
|
print_otag(h, TAG_I, 0, NULL);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
man_literal_pre(MAN_ARGS)
|
|
{
|
|
|
|
if (MAN_fi == n->tok || MAN_EE == n->tok) {
|
|
print_otag(h, TAG_BR, 0, NULL);
|
|
mh->fl &= ~MANH_LITERAL;
|
|
} else
|
|
mh->fl |= MANH_LITERAL;
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
man_in_pre(MAN_ARGS)
|
|
{
|
|
|
|
print_otag(h, TAG_BR, 0, NULL);
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
man_ign_pre(MAN_ARGS)
|
|
{
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
man_RS_pre(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag;
|
|
struct roffsu su;
|
|
|
|
if (MAN_HEAD == n->type)
|
|
return(0);
|
|
else if (MAN_BODY == n->type)
|
|
return(1);
|
|
|
|
SCALE_HS_INIT(&su, INDENT);
|
|
if (n->head->child)
|
|
a2width(n->head->child, &su);
|
|
|
|
bufinit(h);
|
|
bufcat_su(h, "margin-left", &su);
|
|
PAIR_STYLE_INIT(&tag, h);
|
|
print_otag(h, TAG_DIV, 1, &tag);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
man_UR_pre(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag[2];
|
|
|
|
n = n->child;
|
|
assert(MAN_HEAD == n->type);
|
|
if (n->nchild) {
|
|
assert(MAN_TEXT == n->child->type);
|
|
PAIR_CLASS_INIT(&tag[0], "link-ext");
|
|
PAIR_HREF_INIT(&tag[1], n->child->string);
|
|
print_otag(h, TAG_A, 2, tag);
|
|
}
|
|
|
|
assert(MAN_BODY == n->next->type);
|
|
if (n->next->nchild)
|
|
n = n->next;
|
|
|
|
print_man_nodelist(man, n->child, mh, h);
|
|
|
|
return(0);
|
|
}
|