Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/mandoc/man_html.c	Lines:	0	256	0.0 %
Date:	2016-12-06	Branches:	0	171	0.0 %


/*	$OpenBSD: man_html.c,v 1.73 2016/01/08 17:48:04 schwarze Exp $ */
/*
 * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2013, 2014, 2015 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 <sys/types.h>

#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "mandoc_aux.h"
#include "roff.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 roff_meta *man, \
			  const struct roff_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 roff_node *);
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 roff_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_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 roff_node *n)
{

	if (n->body && n->body->child)
		if (n->body->child->type == ROFFT_TBL)
			return;

	if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
		if (NULL == n->prev)
			return;

	print_paragraph(h);
}

void
html_man(void *arg, const struct roff_man *man)
{
	struct mhtml	 mh;
	struct htmlpair	 tag;
	struct html	*h;
	struct tag	*t, *tt;

	memset(&mh, 0, sizeof(mh));
	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_man_head(&man->meta, man->first, &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->meta, man->first, &mh, h);
	print_tagq(h, t);
	putchar('\n');
}

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)
{

	while (n != NULL) {
		print_man_node(man, n, mh, h);
		n = n->next;
	}
}

static void
print_man_node(MAN_ARGS)
{
	int		 child;
	struct tag	*t;

	child = 1;
	t = h->tags.head;

	switch (n->type) {
	case ROFFT_ROOT:
		man_root_pre(man, n, mh, h);
		break;
	case ROFFT_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 ROFFT_EQN:
		if (n->flags & MAN_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 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 ROFFT_ROOT:
		man_root_post(man, n, mh, h);
		break;
	case ROFFT_EQN:
		break;
	default:
		if (mans[n->tok].post)
			(*mans[n->tok].post)(man, n, mh, h);
		break;
	}
}

static int
a2width(const struct roff_node *n, struct roffsu *su)
{

	if (n->type != ROFFT_TEXT)
		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->os)
		print_text(h, man->os);
	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))
				su.scale = 1.0;
	} 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
man_SH_pre(MAN_ARGS)
{
	struct htmlpair	 tag;

	if (n->type == ROFFT_BLOCK) {
		mh->fl &= ~MANH_LITERAL;
		PAIR_CLASS_INIT(&tag, "section");
		print_otag(h, TAG_DIV, 1, &tag);
		return 1;
	} else if (n->type == ROFFT_BODY)
		return 1;

	print_otag(h, TAG_H1, 0, NULL);
	return 1;
}

static int
man_alt_pre(MAN_ARGS)
{
	const struct roff_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();
		}

		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 (n->type == ROFFT_BLOCK) {
		mh->fl &= ~MANH_LITERAL;
		PAIR_CLASS_INIT(&tag, "subsection");
		print_otag(h, TAG_DIV, 1, &tag);
		return 1;
	} else if (n->type == ROFFT_BODY)
		return 1;

	print_otag(h, TAG_H2, 0, NULL);
	return 1;
}

static int
man_PP_pre(MAN_ARGS)
{

	if (n->type == ROFFT_HEAD)
		return 0;
	else if (n->type == ROFFT_BLOCK)
		print_bvspace(h, n);

	return 1;
}

static int
man_IP_pre(MAN_ARGS)
{
	const struct roff_node	*nn;

	if (n->type == ROFFT_BODY) {
		print_otag(h, TAG_DD, 0, NULL);
		return 1;
	} else if (n->type != ROFFT_HEAD) {
		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 roff_node *np;

	if (n->type == ROFFT_HEAD)
		return 0;
	else if (n->type != ROFFT_BLOCK)
		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 (n->type == ROFFT_HEAD)
		return 0;
	else if (n->type == ROFFT_BODY)
		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(n->type == ROFFT_HEAD);
	if (n->child != NULL) {
		assert(n->child->type == ROFFT_TEXT);
		PAIR_CLASS_INIT(&tag[0], "link-ext");
		PAIR_HREF_INIT(&tag[1], n->child->string);
		print_otag(h, TAG_A, 2, tag);
	}

	assert(n->next->type == ROFFT_BODY);
	if (n->next->child != NULL)
		n = n->next;

	print_man_nodelist(man, n->child, mh, h);

	return 0;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: man_html.c,v 1.73 2016/01/08 17:48:04 schwarze Exp $ */
2			/*
3			* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4			* Copyright (c) 2013, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18			#include <sys/types.h>
19
20			#include <assert.h>
21			#include <ctype.h>
22			#include <stdio.h>
23			#include <stdlib.h>
24			#include <string.h>
25
26			#include "mandoc_aux.h"
27			#include "roff.h"
28			#include "man.h"
29			#include "out.h"
30			#include "html.h"
31			#include "main.h"
32
33			/* TODO: preserve ident widths. */
34			/* FIXME: have PD set the default vspace width. */
35
36			#define INDENT 5
37
38			#define MAN_ARGS const struct roff_meta *man, \
39			const struct roff_node *n, \
40			struct mhtml *mh, \
41			struct html *h
42
43			struct mhtml {
44			int fl;
45			#define MANH_LITERAL (1 << 0) /* literal context */
46			};
47
48			struct htmlman {
49			int (*pre)(MAN_ARGS);
50			int (*post)(MAN_ARGS);
51			};
52
53			static void print_bvspace(struct html *,
54			const struct roff_node *);
55			static void print_man_head(MAN_ARGS);
56			static void print_man_nodelist(MAN_ARGS);
57			static void print_man_node(MAN_ARGS);
58			static int a2width(const struct roff_node *,
59			struct roffsu *);
60			static int man_B_pre(MAN_ARGS);
61			static int man_HP_pre(MAN_ARGS);
62			static int man_IP_pre(MAN_ARGS);
63			static int man_I_pre(MAN_ARGS);
64			static int man_OP_pre(MAN_ARGS);
65			static int man_PP_pre(MAN_ARGS);
66			static int man_RS_pre(MAN_ARGS);
67			static int man_SH_pre(MAN_ARGS);
68			static int man_SM_pre(MAN_ARGS);
69			static int man_SS_pre(MAN_ARGS);
70			static int man_UR_pre(MAN_ARGS);
71			static int man_alt_pre(MAN_ARGS);
72			static int man_br_pre(MAN_ARGS);
73			static int man_ign_pre(MAN_ARGS);
74			static int man_in_pre(MAN_ARGS);
75			static int man_literal_pre(MAN_ARGS);
76			static void man_root_post(MAN_ARGS);
77			static void man_root_pre(MAN_ARGS);
78
79			static const struct htmlman mans[MAN_MAX] = {
80			{ man_br_pre, NULL }, /* br */
81			{ NULL, NULL }, /* TH */
82			{ man_SH_pre, NULL }, /* SH */
83			{ man_SS_pre, NULL }, /* SS */
84			{ man_IP_pre, NULL }, /* TP */
85			{ man_PP_pre, NULL }, /* LP */
86			{ man_PP_pre, NULL }, /* PP */
87			{ man_PP_pre, NULL }, /* P */
88			{ man_IP_pre, NULL }, /* IP */
89			{ man_HP_pre, NULL }, /* HP */
90			{ man_SM_pre, NULL }, /* SM */
91			{ man_SM_pre, NULL }, /* SB */
92			{ man_alt_pre, NULL }, /* BI */
93			{ man_alt_pre, NULL }, /* IB */
94			{ man_alt_pre, NULL }, /* BR */
95			{ man_alt_pre, NULL }, /* RB */
96			{ NULL, NULL }, /* R */
97			{ man_B_pre, NULL }, /* B */
98			{ man_I_pre, NULL }, /* I */
99			{ man_alt_pre, NULL }, /* IR */
100			{ man_alt_pre, NULL }, /* RI */
101			{ man_br_pre, NULL }, /* sp */
102			{ man_literal_pre, NULL }, /* nf */
103			{ man_literal_pre, NULL }, /* fi */
104			{ NULL, NULL }, /* RE */
105			{ man_RS_pre, NULL }, /* RS */
106			{ man_ign_pre, NULL }, /* DT */
107			{ man_ign_pre, NULL }, /* UC */
108			{ man_ign_pre, NULL }, /* PD */
109			{ man_ign_pre, NULL }, /* AT */
110			{ man_in_pre, NULL }, /* in */
111			{ man_ign_pre, NULL }, /* ft */
112			{ man_OP_pre, NULL }, /* OP */
113			{ man_literal_pre, NULL }, /* EX */
114			{ man_literal_pre, NULL }, /* EE */
115			{ man_UR_pre, NULL }, /* UR */
116			{ NULL, NULL }, /* UE */
117			{ man_ign_pre, NULL }, /* ll */
118			};
119
120
121			/*
122			* Printing leading vertical space before a block.
123			* This is used for the paragraph macros.
124			* The rules are pretty simple, since there's very little nesting going
125			* on here. Basically, if we're the first within another block (SS/SH),
126			* then don't emit vertical space. If we are (RS), then do. If not the
127			* first, print it.
128			*/
129			static void
130			print_bvspace(struct html h, const struct roff_node n)
131			{
132
133			if (n->body && n->body->child)
134			if (n->body->child->type == ROFFT_TBL)
135			return;
136
137			if (n->parent->type == ROFFT_ROOT \|\| n->parent->tok != MAN_RS)
138			if (NULL == n->prev)
139			return;
140
141			print_paragraph(h);
142			}
143
144			void
145			html_man(void arg, const struct roff_man man)
146			{
147			struct mhtml mh;
148			struct htmlpair tag;
149			struct html *h;
150			struct tag t, tt;
151
152			memset(&mh, 0, sizeof(mh));
153			PAIR_CLASS_INIT(&tag, "mandoc");
154			h = (struct html *)arg;
155
156			if ( ! (HTML_FRAGMENT & h->oflags)) {
157			print_gen_decls(h);
158			t = print_otag(h, TAG_HTML, 0, NULL);
159			tt = print_otag(h, TAG_HEAD, 0, NULL);
160			print_man_head(&man->meta, man->first, &mh, h);
161			print_tagq(h, tt);
162			print_otag(h, TAG_BODY, 0, NULL);
163			print_otag(h, TAG_DIV, 1, &tag);
164			} else
165			t = print_otag(h, TAG_DIV, 1, &tag);
166
167			print_man_nodelist(&man->meta, man->first, &mh, h);
168			print_tagq(h, t);
169			putchar('\n');
170			}
171
172			static void
173			print_man_head(MAN_ARGS)
174			{
175
176			print_gen_head(h);
177			assert(man->title);
178			assert(man->msec);
179			bufcat_fmt(h, "%s(%s)", man->title, man->msec);
180			print_otag(h, TAG_TITLE, 0, NULL);
181			print_text(h, h->buf);
182			}
183
184			static void
185			print_man_nodelist(MAN_ARGS)
186			{
187
188			while (n != NULL) {
189			print_man_node(man, n, mh, h);
190			n = n->next;
191			}
192			}
193
194			static void
195			print_man_node(MAN_ARGS)
196			{
197			int child;
198			struct tag *t;
199
200			child = 1;
201			t = h->tags.head;
202
203			switch (n->type) {
204			case ROFFT_ROOT:
205			man_root_pre(man, n, mh, h);
206			break;
207			case ROFFT_TEXT:
208			if ('\0' == *n->string) {
209			print_paragraph(h);
210			return;
211			}
212			if (n->flags & MAN_LINE && (*n->string == ' ' \|\|
213			(n->prev != NULL && mh->fl & MANH_LITERAL &&
214			! (h->flags & HTML_NONEWLINE))))
215			print_otag(h, TAG_BR, 0, NULL);
216			print_text(h, n->string);
217			return;
218			case ROFFT_EQN:
219			if (n->flags & MAN_LINE)
220			putchar('\n');
221			print_eqn(h, n->eqn);
222			break;
223			case ROFFT_TBL:
224			/*
225			* This will take care of initialising all of the table
226			* state data for the first table, then tearing it down
227			* for the last one.
228			*/
229			print_tbl(h, n->span);
230			return;
231			default:
232			/*
233			* Close out scope of font prior to opening a macro
234			* scope.
235			*/
236			if (HTMLFONT_NONE != h->metac) {
237			h->metal = h->metac;
238			h->metac = HTMLFONT_NONE;
239			}
240
241			/*
242			* Close out the current table, if it's open, and unset
243			* the "meta" table state. This will be reopened on the
244			* next table element.
245			*/
246			if (h->tblt) {
247			print_tblclose(h);
248			t = h->tags.head;
249			}
250			if (mans[n->tok].pre)
251			child = (*mans[n->tok].pre)(man, n, mh, h);
252			break;
253			}
254
255			if (child && n->child)
256			print_man_nodelist(man, n->child, mh, h);
257
258			/* This will automatically close out any font scope. */
259			print_stagq(h, t);
260
261			switch (n->type) {
262			case ROFFT_ROOT:
263			man_root_post(man, n, mh, h);
264			break;
265			case ROFFT_EQN:
266			break;
267			default:
268			if (mans[n->tok].post)
269			(*mans[n->tok].post)(man, n, mh, h);
270			break;
271			}
272			}
273
274			static int
275			a2width(const struct roff_node n, struct roffsu su)
276			{
277
278			if (n->type != ROFFT_TEXT)
279			return 0;
280			if (a2roffsu(n->string, su, SCALE_EN))
281			return 1;
282
283			return 0;
284			}
285
286			static void
287			man_root_pre(MAN_ARGS)
288			{
289			struct htmlpair tag;
290			struct tag t, tt;
291			char *title;
292
293			assert(man->title);
294			assert(man->msec);
295			mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
296
297			PAIR_CLASS_INIT(&tag, "head");
298			t = print_otag(h, TAG_TABLE, 1, &tag);
299
300			print_otag(h, TAG_TBODY, 0, NULL);
301
302			tt = print_otag(h, TAG_TR, 0, NULL);
303
304			PAIR_CLASS_INIT(&tag, "head-ltitle");
305			print_otag(h, TAG_TD, 1, &tag);
306			print_text(h, title);
307			print_stagq(h, tt);
308
309			PAIR_CLASS_INIT(&tag, "head-vol");
310			print_otag(h, TAG_TD, 1, &tag);
311			if (NULL != man->vol)
312			print_text(h, man->vol);
313			print_stagq(h, tt);
314
315			PAIR_CLASS_INIT(&tag, "head-rtitle");
316			print_otag(h, TAG_TD, 1, &tag);
317			print_text(h, title);
318			print_tagq(h, t);
319			free(title);
320			}
321
322			static void
323			man_root_post(MAN_ARGS)
324			{
325			struct htmlpair tag;
326			struct tag t, tt;
327
328			PAIR_CLASS_INIT(&tag, "foot");
329			t = print_otag(h, TAG_TABLE, 1, &tag);
330
331			tt = print_otag(h, TAG_TR, 0, NULL);
332
333			PAIR_CLASS_INIT(&tag, "foot-date");
334			print_otag(h, TAG_TD, 1, &tag);
335
336			assert(man->date);
337			print_text(h, man->date);
338			print_stagq(h, tt);
339
340			PAIR_CLASS_INIT(&tag, "foot-os");
341			print_otag(h, TAG_TD, 1, &tag);
342
343			if (man->os)
344			print_text(h, man->os);
345			print_tagq(h, t);
346			}
347
348
349			static int
350			man_br_pre(MAN_ARGS)
351			{
352			struct roffsu su;
353			struct htmlpair tag;
354
355			SCALE_VS_INIT(&su, 1);
356
357			if (MAN_sp == n->tok) {
358			if (NULL != (n = n->child))
359			if ( ! a2roffsu(n->string, &su, SCALE_VS))
360			su.scale = 1.0;
361			} else
362			su.scale = 0.0;
363
364			bufinit(h);
365			bufcat_su(h, "height", &su);
366			PAIR_STYLE_INIT(&tag, h);
367			print_otag(h, TAG_DIV, 1, &tag);
368
369			/* So the div isn't empty: */
370			print_text(h, "\\~");
371
372			return 0;
373			}
374
375			static int
376			man_SH_pre(MAN_ARGS)
377			{
378			struct htmlpair tag;
379
380			if (n->type == ROFFT_BLOCK) {
381			mh->fl &= ~MANH_LITERAL;
382			PAIR_CLASS_INIT(&tag, "section");
383			print_otag(h, TAG_DIV, 1, &tag);
384			return 1;
385			} else if (n->type == ROFFT_BODY)
386			return 1;
387
388			print_otag(h, TAG_H1, 0, NULL);
389			return 1;
390			}
391
392			static int
393			man_alt_pre(MAN_ARGS)
394			{
395			const struct roff_node *nn;
396			int i, savelit;
397			enum htmltag fp;
398			struct tag *t;
399
400			if ((savelit = mh->fl & MANH_LITERAL))
401			print_otag(h, TAG_BR, 0, NULL);
402
403			mh->fl &= ~MANH_LITERAL;
404
405			for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
406			t = NULL;
407			switch (n->tok) {
408			case MAN_BI:
409			fp = i % 2 ? TAG_I : TAG_B;
410			break;
411			case MAN_IB:
412			fp = i % 2 ? TAG_B : TAG_I;
413			break;
414			case MAN_RI:
415			fp = i % 2 ? TAG_I : TAG_MAX;
416			break;
417			case MAN_IR:
418			fp = i % 2 ? TAG_MAX : TAG_I;
419			break;
420			case MAN_BR:
421			fp = i % 2 ? TAG_MAX : TAG_B;
422			break;
423			case MAN_RB:
424			fp = i % 2 ? TAG_B : TAG_MAX;
425			break;
426			default:
427			abort();
428			}
429
430			if (i)
431			h->flags \|= HTML_NOSPACE;
432
433			if (TAG_MAX != fp)
434			t = print_otag(h, fp, 0, NULL);
435
436			print_man_node(man, nn, mh, h);
437
438			if (t)
439			print_tagq(h, t);
440			}
441
442			if (savelit)
443			mh->fl \|= MANH_LITERAL;
444
445			return 0;
446			}
447
448			static int
449			man_SM_pre(MAN_ARGS)
450			{
451
452			print_otag(h, TAG_SMALL, 0, NULL);
453			if (MAN_SB == n->tok)
454			print_otag(h, TAG_B, 0, NULL);
455			return 1;
456			}
457
458			static int
459			man_SS_pre(MAN_ARGS)
460			{
461			struct htmlpair tag;
462
463			if (n->type == ROFFT_BLOCK) {
464			mh->fl &= ~MANH_LITERAL;
465			PAIR_CLASS_INIT(&tag, "subsection");
466			print_otag(h, TAG_DIV, 1, &tag);
467			return 1;
468			} else if (n->type == ROFFT_BODY)
469			return 1;
470
471			print_otag(h, TAG_H2, 0, NULL);
472			return 1;
473			}
474
475			static int
476			man_PP_pre(MAN_ARGS)
477			{
478
479			if (n->type == ROFFT_HEAD)
480			return 0;
481			else if (n->type == ROFFT_BLOCK)
482			print_bvspace(h, n);
483
484			return 1;
485			}
486
487			static int
488			man_IP_pre(MAN_ARGS)
489			{
490			const struct roff_node *nn;
491
492			if (n->type == ROFFT_BODY) {
493			print_otag(h, TAG_DD, 0, NULL);
494			return 1;
495			} else if (n->type != ROFFT_HEAD) {
496			print_otag(h, TAG_DL, 0, NULL);
497			return 1;
498			}
499
500			/* FIXME: width specification. */
501
502			print_otag(h, TAG_DT, 0, NULL);
503
504			/* For IP, only print the first header element. */
505
506			if (MAN_IP == n->tok && n->child)
507			print_man_node(man, n->child, mh, h);
508
509			/* For TP, only print next-line header elements. */
510
511			if (MAN_TP == n->tok) {
512			nn = n->child;
513			while (NULL != nn && 0 == (MAN_LINE & nn->flags))
514			nn = nn->next;
515			while (NULL != nn) {
516			print_man_node(man, nn, mh, h);
517			nn = nn->next;
518			}
519			}
520
521			return 0;
522			}
523
524			static int
525			man_HP_pre(MAN_ARGS)
526			{
527			struct htmlpair tag[2];
528			struct roffsu su;
529			const struct roff_node *np;
530
531			if (n->type == ROFFT_HEAD)
532			return 0;
533			else if (n->type != ROFFT_BLOCK)
534			return 1;
535
536			np = n->head->child;
537
538			if (NULL == np \|\| ! a2width(np, &su))
539			SCALE_HS_INIT(&su, INDENT);
540
541			bufinit(h);
542
543			print_bvspace(h, n);
544			bufcat_su(h, "margin-left", &su);
545			su.scale = -su.scale;
546			bufcat_su(h, "text-indent", &su);
547			PAIR_STYLE_INIT(&tag[0], h);
548			PAIR_CLASS_INIT(&tag[1], "spacer");
549			print_otag(h, TAG_DIV, 2, tag);
550			return 1;
551			}
552
553			static int
554			man_OP_pre(MAN_ARGS)
555			{
556			struct tag *tt;
557			struct htmlpair tag;
558
559			print_text(h, "[");
560			h->flags \|= HTML_NOSPACE;
561			PAIR_CLASS_INIT(&tag, "opt");
562			tt = print_otag(h, TAG_SPAN, 1, &tag);
563
564			if (NULL != (n = n->child)) {
565			print_otag(h, TAG_B, 0, NULL);
566			print_text(h, n->string);
567			}
568
569			print_stagq(h, tt);
570
571			if (NULL != n && NULL != n->next) {
572			print_otag(h, TAG_I, 0, NULL);
573			print_text(h, n->next->string);
574			}
575
576			print_stagq(h, tt);
577			h->flags \|= HTML_NOSPACE;
578			print_text(h, "]");
579			return 0;
580			}
581
582			static int
583			man_B_pre(MAN_ARGS)
584			{
585
586			print_otag(h, TAG_B, 0, NULL);
587			return 1;
588			}
589
590			static int
591			man_I_pre(MAN_ARGS)
592			{
593
594			print_otag(h, TAG_I, 0, NULL);
595			return 1;
596			}
597
598			static int
599			man_literal_pre(MAN_ARGS)
600			{
601
602			if (MAN_fi == n->tok \|\| MAN_EE == n->tok) {
603			print_otag(h, TAG_BR, 0, NULL);
604			mh->fl &= ~MANH_LITERAL;
605			} else
606			mh->fl \|= MANH_LITERAL;
607
608			return 0;
609			}
610
611			static int
612			man_in_pre(MAN_ARGS)
613			{
614
615			print_otag(h, TAG_BR, 0, NULL);
616			return 0;
617			}
618
619			static int
620			man_ign_pre(MAN_ARGS)
621			{
622
623			return 0;
624			}
625
626			static int
627			man_RS_pre(MAN_ARGS)
628			{
629			struct htmlpair tag;
630			struct roffsu su;
631
632			if (n->type == ROFFT_HEAD)
633			return 0;
634			else if (n->type == ROFFT_BODY)
635			return 1;
636
637			SCALE_HS_INIT(&su, INDENT);
638			if (n->head->child)
639			a2width(n->head->child, &su);
640
641			bufinit(h);
642			bufcat_su(h, "margin-left", &su);
643			PAIR_STYLE_INIT(&tag, h);
644			print_otag(h, TAG_DIV, 1, &tag);
645			return 1;
646			}
647
648			static int
649			man_UR_pre(MAN_ARGS)
650			{
651			struct htmlpair tag[2];
652
653			n = n->child;
654			assert(n->type == ROFFT_HEAD);
655			if (n->child != NULL) {
656			assert(n->child->type == ROFFT_TEXT);
657			PAIR_CLASS_INIT(&tag[0], "link-ext");
658			PAIR_HREF_INIT(&tag[1], n->child->string);
659			print_otag(h, TAG_A, 2, tag);
660			}
661
662			assert(n->next->type == ROFFT_BODY);
663			if (n->next->child != NULL)
664			n = n->next;
665
666			print_man_nodelist(man, n->child, mh, h);
667
668			return 0;
669			}