Purged all old files in favour of new design. Selective reintegration.

1 files changed, 0 insertions, 1085 deletions

diff --git a/html.c b/html.c
deleted file mode 100644
index ec01135c..00000000
--- a/html.c
+++ /dev/null
@@ -1,1085 +0,0 @@
-/* $Id: html.c,v 1.27 2008/12/12 10:11:10 kristaps Exp $ */
-/*
- * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
- *
- * 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 <sys/param.h>
-#include <sys/stat.h>
-
-#include <assert.h>
-#include <err.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "html.h"
-#include "ml.h"
-
-/* TODO: allow head/tail-less invocations (just "div" start). */
-
-struct	htmlnode {
-	int		 tok;
-	enum md_ns	 ns;
-	int		 argc[ROFF_MAXLINEARG];
-	char		*argv[ROFF_MAXLINEARG];
-	struct htmlnode	*parent;
-};
-
-struct	htmlq {
-	struct htmlnode	*last;
-};
-
-
-static	int		html_loadcss(struct md_mbuf *, 
-				const char *);
-static	int		html_alloc(void **);
-static	void		html_free(void *);
-static	ssize_t		html_endtag(struct ml_args *, 
-				enum md_ns, int);
-static	ssize_t		html_beginstring(struct ml_args *, 
-				const char *, size_t);
-static	ssize_t		html_endstring(struct ml_args *,
-				const char *, size_t);
-static	ssize_t		html_begintag(struct ml_args *, 
-				enum md_ns, int,
-				const int *, const char **);
-static	int		html_begin(struct ml_args *,
-				const struct tm *, 
-				const char *, const char *, 
-				enum roffmsec, enum roffvol);
-static	int		html_end(struct ml_args *,
-				const struct tm *, 
-				const char *, const char *, 
-				enum roffmsec, enum roffvol);
-static	int		html_printargs(struct md_mbuf *, int, 
-				const char *, const int *, 
-				const char **, size_t *);
-static	ssize_t		html_beginhttp(struct md_mbuf *, 
-				const struct md_args *, 
-				const char *, size_t);
-static	ssize_t		html_endhttp(struct md_mbuf *, 
-				const struct md_args *, 
-				const char *, size_t);
-static	int		html_blocktagname(struct md_mbuf *,
-				const struct md_args *, int, 
-				struct htmlq *, const int *, 
-				const char **, size_t *);
-static	int		html_blocktagargs(struct md_mbuf *,
-				const struct md_args *, int,
-				const int *, const char **, size_t *);
-static	int		html_headtagname(struct md_mbuf *,
-				const struct md_args *, int, 
-				struct htmlq *, const int *, 
-				const char **, size_t *);
-static	int		html_headtagargs(struct md_mbuf *,
-				const struct md_args *, int,
-				const int *, const char **, size_t *);
-static	int		html_bodytagname(struct md_mbuf *,
-				const struct md_args *, 
-				int, struct htmlq *, const int *, 
-				const char **, size_t *);
-static	int		html_bodytagargs(struct md_mbuf *,
-				const struct md_args *, int,
-				const int *, const char **, size_t *);
-static	int		html_inlinetagname(struct md_mbuf *,
-				const struct md_args *, int, size_t *);
-static	int		html_inlinetagargs(struct md_mbuf *,
-				const struct md_args *, int,
-				const int *, const char **, size_t *);
-static	int		html_Bl_bodytagname(struct md_mbuf *, 
-				struct htmlq *, const int *, 
-				const char **, size_t *);
-static	int		html_It_blocktagname(struct md_mbuf *, 
-				struct htmlq *, const int *, 
-				const char **, size_t *);
-static	int		html_It_headtagname(struct md_mbuf *, 
-				struct htmlq *, const int *, 
-				const char **, size_t *);
-static	int		html_It_bodytagname(struct md_mbuf *, 
-				struct htmlq *, const int *, 
-				const char **, size_t *);
-static	int		html_tputln(struct md_mbuf *, 
-				enum ml_scope, int, enum html_tag);
-static	int		html_aputln(struct md_mbuf *, enum ml_scope, 
-				int, enum html_tag, 
-				int, const struct html_pair *);
-
-
-/* ARGSUSED */
-static int
-html_It_headtagname(struct md_mbuf *mbuf, struct htmlq *q, 
-		const int *argc, const char **argv, size_t *res)
-{
-	struct htmlnode	*n;
-	int		 i;
-	struct html_pair attr[2];
-
-	for (n = q->last; n; n = n->parent)
-		if (n->tok == ROFF_Bl)
-			break;
-
-	assert(n);
-
-	/* LINTED */
-	for (i = 0; ROFF_ARGMAX != n->argc[i] &&
-			i < ROFF_MAXLINEARG; i++) {
-		switch (n->argc[i]) {
-		case (ROFF_Ohang):
-			return(html_stput(mbuf, HTML_TAG_DIV, res));
-		case (ROFF_Tag):
-			attr[0].attr = HTML_ATTR_VALIGN;
-			attr[0].val = "top";
-			attr[1].attr = HTML_ATTR_NOWRAP;
-			attr[1].val = "true";
-			return(html_saput(mbuf, HTML_TAG_TD, 
-						res, 2, attr));
-		case (ROFF_Column): 
-			attr[0].attr = HTML_ATTR_VALIGN;
-			attr[0].val = "top";
-			return(html_saput(mbuf, HTML_TAG_TD, 
-						res, 1, attr));
-		default:
-			break;
-		}
-	}
-
-	return(0);
-}
-
-
-/* ARGSUSED */
-static int
-html_It_bodytagname(struct md_mbuf *mbuf, struct htmlq *q, 
-		const int *argc, const char **argv, size_t *res)
-{
-	struct htmlnode	*n;
-	int		 i;
-	struct html_pair attr[1];
-
-	for (n = q->last; n; n = n->parent)
-		if (n->tok == ROFF_Bl)
-			break;
-
-	assert(n);
-
-	/* LINTED */
-	for (i = 0; ROFF_ARGMAX != n->argc[i] &&
-			i < ROFF_MAXLINEARG; i++) {
-		switch (n->argc[i]) {
-		case (ROFF_Enum):
-			/* FALLTHROUGH */
-		case (ROFF_Bullet):
-			/* FALLTHROUGH */
-		case (ROFF_Dash):
-			/* FALLTHROUGH */
-		case (ROFF_Hyphen):
-			/* FALLTHROUGH */
-		case (ROFF_Item):
-			/* FALLTHROUGH */
-		case (ROFF_Diag):
-			/* FALLTHROUGH */
-		case (ROFF_Hang):
-			/* FALLTHROUGH */
-		case (ROFF_Ohang): 
-			/* FALLTHROUGH */
-		case (ROFF_Inset):
-			return(html_stput(mbuf, HTML_TAG_DIV, res));
-		case (ROFF_Tag):
-			/* FALLTHROUGH */
-		case (ROFF_Column): 
-			attr[0].attr = HTML_ATTR_VALIGN;
-			attr[0].val = "top";
-			return(html_saput(mbuf, HTML_TAG_TD, 
-						res, 1, attr));
-		default:
-			break;
-		}
-	}
-
-	assert(i != ROFF_MAXLINEARG);
-	return(0);
-}
-
-
-/* ARGSUSED */
-static int
-html_Bl_bodytagname(struct md_mbuf *mbuf, struct htmlq *q, 
-		const int *argc, const char **argv, size_t *res)
-{
-	int		 i;
-
-	for (i = 0; ROFF_ARGMAX != argc[i]
-			&& i < ROFF_MAXLINEARG; i++) {
-		switch (argc[i]) {
-		case (ROFF_Enum):
-			return(html_stput(mbuf, HTML_TAG_OL, res));
-		case (ROFF_Bullet):
-			/* FALLTHROUGH */
-		case (ROFF_Dash):
-			/* FALLTHROUGH */
-		case (ROFF_Hyphen):
-			/* FALLTHROUGH */
-		case (ROFF_Item):
-			/* FALLTHROUGH */
-		case (ROFF_Diag):
-			/* FALLTHROUGH */
-		case (ROFF_Hang):
-			/* FALLTHROUGH */
-		case (ROFF_Ohang): 
-			/* FALLTHROUGH */
-		case (ROFF_Inset):
-			return(html_stput(mbuf, HTML_TAG_UL, res));
-		case (ROFF_Tag):
-			/* FALLTHROUGH */
-		case (ROFF_Column): 
-			return(html_stput(mbuf, HTML_TAG_TABLE, res));
-		default:
-			break;
-		}
-	}
-
-	assert(i != ROFF_MAXLINEARG);
-	return(0);
-}
-
-
-/* ARGSUSED */
-static int
-html_It_blocktagname(struct md_mbuf *mbuf, struct htmlq *q, 
-		const int *argc, const char **argv, size_t *res)
-{
-	struct htmlnode	*n;
-	int		 i;
-
-	for (n = q->last; n; n = n->parent)
-		if (n->tok == ROFF_Bl)
-			break;
-
-	assert(n);
-
-	/* LINTED */
-	for (i = 0; ROFF_ARGMAX != n->argc[i] &&
-			i < ROFF_MAXLINEARG; i++) {
-		switch (n->argc[i]) {
-		case (ROFF_Enum):
-			/* FALLTHROUGH */
-		case (ROFF_Bullet):
-			/* FALLTHROUGH */
-		case (ROFF_Dash):
-			/* FALLTHROUGH */
-		case (ROFF_Hyphen):
-			/* FALLTHROUGH */
-		case (ROFF_Item):
-			/* FALLTHROUGH */
-		case (ROFF_Diag):
-			/* FALLTHROUGH */
-		case (ROFF_Hang):
-			/* FALLTHROUGH */
-		case (ROFF_Ohang): 
-			/* FALLTHROUGH */
-		case (ROFF_Inset):
-			return(html_stput(mbuf, HTML_TAG_LI, res));
-		case (ROFF_Tag):
-			/* FALLTHROUGH */
-		case (ROFF_Column): 
-			return(html_stput(mbuf, HTML_TAG_TR, res));
-		default:
-			break;
-		}
-	}
-
-	assert(i != ROFF_MAXLINEARG);
-	return(0);
-}
-
-
-static int
-html_loadcss(struct md_mbuf *mbuf, const char *css)
-{
-	size_t		 res, bufsz;
-	char		*buf;
-	struct stat	 st;
-	int		 fd, c;
-	ssize_t		 ssz;
-
-	c = 0;
-	res = 0;
-	buf = NULL;
-
-	if (-1 == (fd = open(css, O_RDONLY, 0))) {
-		warn("%s", css);
-		return(0);
-	} 
-	
-	if (-1 == fstat(fd, &st)) {
-		warn("%s", css);
-		goto out;
-	}
-
-	bufsz = MAX(st.st_blksize, BUFSIZ);
-	if (NULL == (buf = malloc(bufsz))) {
-		warn("malloc");
-		goto out;
-	}
-
-	for (;;) {
-		if (-1 == (ssz = read(fd, buf, bufsz))) {
-			warn("%s", css);
-			goto out;
-		} else if (0 == ssz)
-			break;
-		if ( ! ml_nputs(mbuf, buf, (size_t)ssz, &res))
-			goto out;
-	}
-
-	c = 1;
-
-out:
-	if (-1 == close(fd)) {
-		warn("%s", css);
-		c = 0;
-	}
-
-	if (buf)
-		free(buf);
-
-	return(c);
-}
-
-
-static int
-html_tputln(struct md_mbuf *mbuf, enum ml_scope scope,
-		int i, enum html_tag tag)
-{
-
-	if ( ! ml_putchars(mbuf, ' ', INDENT(i) * INDENT_SZ, NULL))
-		return(0);
-	if ( ! html_tput(mbuf, scope, tag, NULL))
-		return(0);
-	return(ml_nputs(mbuf, "\n", 1, NULL));
-}
-
-
-static int
-html_aputln(struct md_mbuf *mbuf, enum ml_scope scope, int i, 
-		enum html_tag tag, int sz, const struct html_pair *p)
-{
-
-	if ( ! ml_putchars(mbuf, ' ', INDENT(i) * INDENT_SZ, NULL))
-		return(0);
-	if ( ! html_aput(mbuf, scope, tag, NULL, sz, p))
-		return(0);
-	return(ml_nputs(mbuf, "\n", 1, NULL));
-}
-
-
-/* ARGSUSED */
-static int 
-html_begin(struct ml_args *p, const struct tm *tm, const char *os, 
-		const char *name, enum roffmsec msec, enum roffvol vol)
-{
-	enum roffvol	 bvol;
-	struct html_pair attr[4];
-	char		 ts[32], title[64];
-	int		 i;
-
-	(void)snprintf(ts, sizeof(ts), "%s(%s)", 
-			name, roff_msecname(msec));
-
-	if (vol >= ROFF_ARCH_START) {
-		switch (msec) {
-		case(ROFF_MSEC_1):
-			/* FALLTHROUGH */
-		case(ROFF_MSEC_6):
-			/* FALLTHROUGH */
-		case(ROFF_MSEC_7):
-			bvol = ROFF_VOL_URM;
-			break;
-		case(ROFF_MSEC_2):
-			/* FALLTHROUGH */
-		case(ROFF_MSEC_3):
-			/* FALLTHROUGH */
-		case(ROFF_MSEC_3p):
-			/* FALLTHROUGH */
-		case(ROFF_MSEC_4):
-			/* FALLTHROUGH */
-		case(ROFF_MSEC_5):
-			bvol = ROFF_VOL_PRM;
-			break;
-		case(ROFF_MSEC_8):
-			bvol = ROFF_VOL_PRM;
-			break;
-		case(ROFF_MSEC_9):
-			bvol = ROFF_VOL_KM;
-			break;
-		case(ROFF_MSEC_UNASS):
-			/* FALLTHROUGH */
-		case(ROFF_MSEC_DRAFT):
-			/* FALLTHROUGH */
-		case(ROFF_MSEC_PAPER):
-			bvol = ROFF_VOL_NONE;
-			break;
-		default:
-			abort();
-			/* NOTREACHED */
-		}
-
-		(void)snprintf(title, sizeof(title), "%s (%s)",
-				roff_volname(bvol), roff_volname(vol));
-	} else
-		(void)snprintf(title, sizeof(title), "%s", roff_volname(vol));
-
-
-	i = 0;
-
-	if ( ! html_typeput(p->mbuf, HTML_TYPE_4_01_STRICT, NULL))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_OPEN, i, HTML_TAG_HTML))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_OPEN, i++, HTML_TAG_HEAD))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_HTTP_EQUIV;
-	attr[0].val = "content-type";
-	attr[1].attr = HTML_ATTR_CONTENT;
-	attr[1].val = "text/html;charset=utf-8";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_META, 2, attr))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_NAME;
-	attr[0].val = "resource-type";
-	attr[1].attr = HTML_ATTR_CONTENT;
-	attr[1].val = "document";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_META, 2, attr))
-		return(0);
-
-	if ( ! html_tputln(p->mbuf, ML_OPEN, i, HTML_TAG_TITLE))
-		return(0);
-	if ( ! ml_putstring(p->mbuf, ts, NULL))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TITLE))
-		return(0);
-
-	if (HTML_CSS_EMBED & p->args->params.html.flags) {
-		attr[0].attr = HTML_ATTR_TYPE;
-		attr[0].val = "text/css";
-
-		if ( ! html_aputln(p->mbuf, ML_OPEN, i, 
-					HTML_TAG_STYLE, 1, attr))
-			return(0);
-		if ( ! html_commentput(p->mbuf, ML_OPEN, NULL))
-			return(0);
-
-		if ( ! html_loadcss(p->mbuf, p->args->params.html.css))
-			return(0);
-
-		if ( ! html_commentput(p->mbuf, ML_CLOSE, NULL))
-			return(0);
-		if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_STYLE))
-			return(0);
-	} else {
-		attr[0].attr = HTML_ATTR_REL;
-		attr[0].val = "stylesheet";
-		attr[1].attr = HTML_ATTR_TYPE;
-		attr[1].val = "text/css";
-		attr[2].attr = HTML_ATTR_HREF;
-		attr[2].val = p->args->params.html.css;
-
-		if ( ! html_aputln(p->mbuf, ML_OPEN, i,
-					HTML_TAG_LINK, 3, attr))
-			return(0);
-	}
-
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_HEAD))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_OPEN, i, HTML_TAG_BODY))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_CLASS;
-	attr[0].val = "mdoc";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_DIV, 1, attr))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_WIDTH;
-	attr[0].val = "100%";
-	attr[1].attr = HTML_ATTR_CLASS;
-	attr[1].val = "header-table";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i++, HTML_TAG_TABLE, 2, attr))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_OPEN, i++, HTML_TAG_TR))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_ALIGN;
-	attr[0].val = "left";
-	attr[1].attr = HTML_ATTR_CLASS;
-	attr[1].val = "header-section";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr))
-		return(0);
-	if ( ! ml_putstring(p->mbuf, ts, NULL))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_ALIGN;
-	attr[0].val = "center";
-	attr[1].attr = HTML_ATTR_CLASS;
-	attr[1].val = "header-volume";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr))
-		return(0);
-	if ( ! ml_putstring(p->mbuf, title, NULL))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_ALIGN;
-	attr[0].val = "right";
-	attr[1].attr = HTML_ATTR_CLASS;
-	attr[1].val = "header-section";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr))
-		return(0);
-	if ( ! ml_putstring(p->mbuf, ts, NULL))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD))
-		return(0);
-
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_TR))
-		return(0);
-	return(html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_TABLE));
-}
-
-
-/* ARGSUSED */
-static int 
-html_end(struct ml_args *p, const struct tm *tm, const char *os, 
-		const char *name, enum roffmsec msec, enum roffvol vol)
-{
-	struct html_pair attr[4];
-	int		 i;
-	char		 ts[64];
-
-	if (0 == strftime(ts, sizeof(ts), "%B %d, %Y", tm)) {
-		warn("strftime");
-		return(0);
-	}
-
-	i = 0;
-
-	attr[0].attr = HTML_ATTR_WIDTH;
-	attr[0].val = "100%";
-	attr[1].attr = HTML_ATTR_CLASS;
-	attr[1].val = "header-footer";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i++, HTML_TAG_TABLE, 2, attr))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_OPEN, i++, HTML_TAG_TR))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_ALIGN;
-	attr[0].val = "left";
-	attr[1].attr = HTML_ATTR_CLASS;
-	attr[1].val = "footer-os";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr))
-		return(0);
-	if ( ! ml_putstring(p->mbuf, os, NULL))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD))
-		return(0);
-
-	attr[0].attr = HTML_ATTR_ALIGN;
-	attr[0].val = "right";
-	attr[1].attr = HTML_ATTR_CLASS;
-	attr[1].val = "footer-date";
-
-	if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr))
-		return(0);
-	if ( ! ml_putstring(p->mbuf, ts, NULL))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD))
-		return(0);
-
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_TR))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_TABLE))
-		return(0);
-
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, 0, HTML_TAG_DIV))
-		return(0);
-	if ( ! html_tputln(p->mbuf, ML_CLOSE, 0, HTML_TAG_BODY))
-		return(0);
-	return(html_tputln(p->mbuf, ML_CLOSE, 0, HTML_TAG_HTML));
-}
-
-
-/* ARGSUSED */
-static int
-html_bodytagname(struct md_mbuf *mbuf, 
-		const struct md_args *args, int tok, struct htmlq *q, 
-		const int *argc, const char **argv, size_t *res)
-{
-
-	switch (tok) {
-	case (ROFF_Bl):
-		return(html_Bl_bodytagname(mbuf, q, argc, argv, res));
-	case (ROFF_Fo):
-		return(html_stput(mbuf, HTML_TAG_SPAN, res));
-	case (ROFF_It):
-		return(html_It_bodytagname(mbuf, q, argc, argv, res));
-	case (ROFF_Oo):
-		return(html_stput(mbuf, HTML_TAG_SPAN, res));
-	default:
-		break;
-	}
-
-	return(html_stput(mbuf, HTML_TAG_DIV, res));
-}
-
-
-/* ARGSUSED */
-static int
-html_headtagname(struct md_mbuf *mbuf, 
-		const struct md_args *args, int tok, struct htmlq *q, 
-		const int *argc, const char **argv, size_t *res)
-{
-
-	switch (tok) {
-	case (ROFF_It):
-		return(html_It_headtagname(mbuf, q, argc, argv, res));
-	case (ROFF_Fo):
-		/* FALLTHROUGH */
-	case (ROFF_Oo):
-		return(html_stput(mbuf, HTML_TAG_SPAN, res));
-	case (ROFF_Sh):
-		return(html_stput(mbuf, HTML_TAG_H1, res));
-	case (ROFF_Ss):
-		return(html_stput(mbuf, HTML_TAG_H2, res));
-	default:
-		break;
-	}
-
-	return(html_stput(mbuf, HTML_TAG_DIV, res));
-}
-
-
-/* ARGSUSED */
-static int
-html_blocktagname(struct md_mbuf *mbuf, const struct md_args *args, 
-		int tok, struct htmlq *q, const int *argc, 
-		const char **argv, size_t *res)
-{
-
-	switch (tok) {
-	case (ROFF_Fo):
-		/* FALLTHROUGH */
-	case (ROFF_Oo):
-		return(html_stput(mbuf, HTML_TAG_SPAN, res));
-	case (ROFF_It):
-		return(html_It_blocktagname(mbuf, q, argc, argv, res));
-	default:
-		break;
-	}
-
-	return(html_stput(mbuf, HTML_TAG_DIV, res));
-}
-
-
-/* ARGSUSED */
-static int
-html_printargs(struct md_mbuf *mbuf, int tok, const char *ns,
-		const int *argc, const char **argv, size_t *res)
-{
-
-	/* FIXME: use API in ml.h. */
-
-	if ( ! ml_puts(mbuf, " class=\"", res))
-		return(0);
-	if ( ! ml_puts(mbuf, ns, res))
-		return(0);
-	if ( ! ml_puts(mbuf, "-", res))
-		return(0);
-	if ( ! ml_puts(mbuf, toknames[tok], res))
-		return(0);
-	return(ml_puts(mbuf, "\"", res));
-}
-
-
-/* ARGSUSED */
-static int
-html_headtagargs(struct md_mbuf *mbuf, 
-		const struct md_args *args, int tok, 
-		const int *argc, const char **argv, size_t *res)
-{
-
-	return(html_printargs(mbuf, tok, "head", argc, argv, res));
-}
-
-
-/* ARGSUSED */
-static int
-html_bodytagargs(struct md_mbuf *mbuf, 
-		const struct md_args *args, int tok, 
-		const int *argc, const char **argv, size_t *res)
-{
-
-	return(html_printargs(mbuf, tok, "body", argc, argv, res));
-}
-
-
-/* ARGSUSED */
-static int
-html_blocktagargs(struct md_mbuf *mbuf, 
-		const struct md_args *args, int tok, 
-		const int *argc, const char **argv, size_t *res)
-{
-
-	return(html_printargs(mbuf, tok, "block", argc, argv, res));
-}
-
-
-/* ARGSUSED */
-static int
-html_inlinetagargs(struct md_mbuf *mbuf, 
-		const struct md_args *args, int tok, 
-		const int *argc, const char **argv, size_t *res)
-{
-
-	if ( ! html_printargs(mbuf, tok, "inline", argc, argv, res))
-		return(0);
-
-	switch (tok) {
-	case (ROFF_Sh):
-
-		/* FIXME: use API in ml.h. */
-
-		assert(*argv);
-		if ( ! ml_nputs(mbuf, " name=\"", 7, res))
-			return(0);
-		if ( ! ml_putstring(mbuf, *argv++, res))
-			return(0);
-		while (*argv) {
-			if ( ! ml_putstring(mbuf, "_", res))
-				return(0);
-			if ( ! ml_putstring(mbuf, *argv++, res))
-				return(0);
-		}
-		if ( ! ml_nputs(mbuf, "\"", 1, res))
-			return(0);
-		break;
-
-	case (ROFF_Sx):
-
-		/* FIXME: use API in ml.h. */
-
-		assert(*argv);
-		if ( ! ml_nputs(mbuf, " href=\"#", 8, res))
-			return(0);
-		if ( ! ml_putstring(mbuf, *argv++, res))
-			return(0);
-		while (*argv) {
-			if ( ! ml_putstring(mbuf, "_", res))
-				return(0);
-			if ( ! ml_putstring(mbuf, *argv++, res))
-				return(0);
-		}
-		if ( ! ml_nputs(mbuf, "\"", 1, res))
-			return(0);
-
-		break;
-	default:
-		break;
-	}
-	
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
-html_inlinetagname(struct md_mbuf *mbuf, 
-		const struct md_args *args, int tok, size_t *res)
-{
-
-	switch (tok) {
-	case (ROFF_Dl):
-		/* FALLTHROUGH */
-	case (ROFF_D1):
-		return(html_stput(mbuf, HTML_TAG_DIV, res));
-	case (ROFF_Sh):
-		return(html_stput(mbuf, HTML_TAG_A, res));
-	case (ROFF_Pp):
-		return(html_stput(mbuf, HTML_TAG_DIV, res));
-	case (ROFF_Sx):
-		return(html_stput(mbuf, HTML_TAG_A, res));
-	default:
-		break;
-	}
-
-	return(html_stput(mbuf, HTML_TAG_SPAN, res));
-}
-
-
-static ssize_t 
-html_begintag(struct ml_args *p, enum md_ns ns, 
-		int tok, const int *argc, const char **argv)
-{
-	size_t		 res;
-	struct htmlq	*q;
-	struct htmlnode	*node;
-	int		 i;
-
-	assert(ns != MD_NS_DEFAULT);
-	res = 0;
-
-	q = (struct htmlq *)p->data;
-
-	if (NULL == (node = calloc(1, sizeof(struct htmlnode)))) {
-		warn("calloc");
-		return(-1);
-	}
-
-	node->parent = q->last;
-	node->tok = tok;
-	node->ns = ns;
-
-	if (argc)  {
-		/* TODO: argv. */
-
-		assert(argv);
-		/* LINTED */
-		for (i = 0; ROFF_ARGMAX != argc[i]
-				&& i < ROFF_MAXLINEARG; i++) 
-			node->argc[i] = argc[i];
-		assert(i != ROFF_MAXLINEARG);
-	} 
-
-
-	q->last = node;
-
-	switch (ns) {
-	case (MD_NS_BLOCK):
-		if ( ! html_blocktagname(p->mbuf, p->args, tok, 
-					q, argc, argv, &res))
-			return(-1);
-		if ( ! html_blocktagargs(p->mbuf, p->args, tok, 
-					argc, argv, &res))
-			return(-1);
-		break;
-	case (MD_NS_BODY):
-		if ( ! html_bodytagname(p->mbuf, p->args, tok, 
-					q, argc, argv, &res))
-			return(-1);
-		if ( ! html_bodytagargs(p->mbuf, p->args, tok, 
-					argc, argv, &res))
-			return(-1);
-		break;
-	case (MD_NS_HEAD):
-		if ( ! html_headtagname(p->mbuf, p->args, tok, q,
-					argc, argv, &res))
-			return(-1);
-		if ( ! html_headtagargs(p->mbuf, p->args, tok, 
-					argc, argv, &res))
-			return(-1);
-		break;
-	default:
-		if ( ! html_inlinetagname(p->mbuf, p->args, tok, &res))
-			return(-1);
-		if ( ! html_inlinetagargs(p->mbuf, p->args, tok, 
-					argc, argv, &res))
-			return(-1);
-		break;
-	}
-
-	return((ssize_t)res);
-}
-
-
-static ssize_t 
-html_endtag(struct ml_args *p, enum md_ns ns, int tok)
-{
-	size_t		 res;
-	struct htmlq	*q;
-	struct htmlnode	*node;
-
-	assert(ns != MD_NS_DEFAULT);
-	res = 0;
-
-	q = (struct htmlq *)p->data;
-	node = q->last;
-
-	switch (ns) {
-	case (MD_NS_BLOCK):
-		if ( ! html_blocktagname(p->mbuf, p->args, tok, 
-					q, node->argc, 
-					(const char **)node->argv, &res))
-			return(-1);
-		break;
-	case (MD_NS_BODY):
-		if ( ! html_bodytagname(p->mbuf, p->args, tok, 
-					q, node->argc, 
-					(const char **)node->argv, &res))
-			return(-1);
-		break;
-	case (MD_NS_HEAD):
-		if ( ! html_headtagname(p->mbuf, p->args, tok, 
-					q, node->argc,
-					(const char **)node->argv, &res))
-			return(-1);
-		break;
-	default:
-		if ( ! html_inlinetagname(p->mbuf, p->args, tok, &res))
-			return(-1);
-		break;
-	}
-
-	q->last = node->parent;
-
-	free(node);
-
-	return((ssize_t)res);
-}
-
-
-static int
-html_alloc(void **p)
-{
-
-	if (NULL == (*p = calloc(1, sizeof(struct htmlq)))) {
-		warn("calloc");
-		return(0);
-	}
-	return(1);
-}
-
-
-static void
-html_free(void *p)
-{
-	struct htmlq	*q;
-	struct htmlnode	*n;
-
-	assert(p);
-	q = (struct htmlq *)p;
-
-	/* LINTED */
-	while ((n = q->last)) {
-		q->last = n->parent;
-		free(n);
-	}
-
-	free(q);
-}
-
-
-/* ARGSUSED */
-static ssize_t 
-html_beginhttp(struct md_mbuf *mbuf, 
-		const struct md_args *args, 
-		const char *buf, size_t sz)
-{
-	size_t		 res;
-	struct html_pair pair;
-
-	res = 0;
-	pair.attr = HTML_ATTR_HREF;
-	pair.val = (char *)buf;
-
-	if ( ! html_aput(mbuf, ML_OPEN, HTML_TAG_A, &res, 1, &pair))
-		return(-1);
-	return((ssize_t)res);
-}
-
-
-/* ARGSUSED */
-static ssize_t 
-html_endhttp(struct md_mbuf *mbuf, 
-		const struct md_args *args, 
-		const char *buf, size_t sz)
-{
-	size_t		 res;
-
-	res = 0;
-	if ( ! html_tput(mbuf, ML_CLOSE, HTML_TAG_A, &res))
-		return(-1);
-	return((ssize_t)res);
-}
-
-
-/* ARGSUSED */
-static ssize_t 
-html_beginstring(struct ml_args *p, const char *buf, size_t sz)
-{
-
-	if (0 == strncmp(buf, "http://", 7))
-		return(html_beginhttp(p->mbuf, p->args, buf, sz));
-
-	return(0);
-}
-
-
-/* ARGSUSED */
-static ssize_t 
-html_endstring(struct ml_args *p, const char *buf, size_t sz)
-{
-	
-	if (0 == strncmp(buf, "http://", 7))
-		return(html_endhttp(p->mbuf, p->args, buf, sz));
-
-	return(0);
-}
-
-
-int
-md_line_html(void *data, char *buf)
-{
-
-	return(mlg_line((struct md_mlg *)data, buf));
-}
-
-
-int
-md_exit_html(void *data, int flush)
-{
-
-	return(mlg_exit((struct md_mlg *)data, flush));
-}
-
-
-void *
-md_init_html(const struct md_args *args,
-		struct md_mbuf *mbuf, const struct md_rbuf *rbuf)
-{
-	struct ml_cbs	 cbs;
-
-	cbs.ml_alloc = html_alloc;
-	cbs.ml_free = html_free;
-	cbs.ml_begintag = html_begintag;
-	cbs.ml_endtag = html_endtag;
-	cbs.ml_begin = html_begin;
-	cbs.ml_end = html_end;
-	cbs.ml_beginstring = html_beginstring;
-	cbs.ml_endstring = html_endstring;
-
-	return(mlg_alloc(args, rbuf, mbuf, &cbs));
-}