===================================================================
RCS file: /cvs/mandoc/man_html.c,v
retrieving revision 1.2
retrieving revision 1.5
diff -u -p -r1.2 -r1.5
--- mandoc/man_html.c	2009/10/03 15:08:09	1.2
+++ mandoc/man_html.c	2009/10/04 10:24:31	1.5
@@ -1,4 +1,4 @@
-/*	$Id: man_html.c,v 1.2 2009/10/03 15:08:09 kristaps Exp $ */
+/*	$Id: man_html.c,v 1.5 2009/10/04 10:24:31 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -17,15 +17,490 @@
 #include <sys/types.h>
 #include <sys/queue.h>
 
+#include <assert.h>
+#include <ctype.h>
+#include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "html.h"
 #include "man.h"
 
+#define	INDENT		  7
+#define	HALFINDENT	  3
 
-/* ARGSUSED */
+#define	MAN_ARGS	  const struct man_meta *m, \
+			  const struct man_node *n, \
+			  struct html *h
+
+struct	htmlman {
+	int		(*pre)(MAN_ARGS);
+	int		(*post)(MAN_ARGS);
+};
+
+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 *);
+
+static	int		  man_br_pre(MAN_ARGS);
+static	int		  man_IP_pre(MAN_ARGS);
+static	int		  man_PP_pre(MAN_ARGS);
+static	void		  man_root_post(MAN_ARGS);
+static	int		  man_root_pre(MAN_ARGS);
+static	int		  man_SH_pre(MAN_ARGS);
+static	int		  man_SS_pre(MAN_ARGS);
+
+#ifdef __linux__
+extern	size_t	  	  strlcpy(char *, const char *, size_t);
+extern	size_t	  	  strlcat(char *, const char *, size_t);
+#endif
+
+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 */
+	{ NULL, NULL }, /* TP */
+	{ man_PP_pre, NULL }, /* LP */
+	{ man_PP_pre, NULL }, /* PP */
+	{ man_PP_pre, NULL }, /* P */
+	{ man_IP_pre, NULL }, /* IP */
+	{ NULL, NULL }, /* HP */ 
+	{ NULL, NULL }, /* SM */
+	{ NULL, NULL }, /* SB */
+	{ NULL, NULL }, /* BI */
+	{ NULL, NULL }, /* IB */
+	{ NULL, NULL }, /* BR */
+	{ NULL, NULL }, /* RB */
+	{ NULL, NULL }, /* R */
+	{ NULL, NULL }, /* B */
+	{ NULL, NULL }, /* I */
+	{ NULL, NULL }, /* IR */
+	{ NULL, NULL }, /* RI */
+	{ NULL, NULL }, /* na */
+	{ NULL, NULL }, /* i */
+	{ man_br_pre, NULL }, /* sp */
+	{ NULL, NULL }, /* nf */
+	{ NULL, NULL }, /* fi */
+	{ NULL, NULL }, /* r */
+	{ NULL, NULL }, /* RE */
+	{ NULL, NULL }, /* RS */
+	{ NULL, NULL }, /* DT */
+	{ NULL, NULL }, /* UC */
+};
+
+
 void
 html_man(void *arg, const struct man *m)
 {
+	struct html	*h;
+	struct tag	*t;
+
+	h = (struct html *)arg;
+
+	print_gen_doctype(h);
+
+	t = print_otag(h, TAG_HTML, 0, NULL);
+	print_man(man_meta(m), man_node(m), h);
+	print_tagq(h, t);
+
+	printf("\n");
+}
+
+
+static void
+print_man(MAN_ARGS) 
+{
+	struct tag	*t;
+	struct htmlpair	 tag;
+
+	t = print_otag(h, TAG_HEAD, 0, NULL);
+
+	print_man_head(m, n, h);
+	print_tagq(h, t);
+	t = print_otag(h, TAG_BODY, 0, NULL);
+
+	tag.key = ATTR_CLASS;
+	tag.val = "body";
+	print_otag(h, TAG_DIV, 1, &tag);
+
+	print_man_nodelist(m, n, h);
+
+	print_tagq(h, t);
+}
+
+
+/* ARGSUSED */
+static void
+print_man_head(MAN_ARGS)
+{
+
+	print_gen_head(h);
+	bufinit(h);
+	buffmt(h, "%s(%d)", m->title, m->msec);
+
+	print_otag(h, TAG_TITLE, 0, NULL);
+	print_text(h, h->buf);
+}
+
+
+static void
+print_man_nodelist(MAN_ARGS)
+{
+
+	print_man_node(m, n, h);
+	if (n->next)
+		print_man_nodelist(m, n->next, h);
+}
+
+
+static void
+print_man_node(MAN_ARGS)
+{
+	int		 child;
+	struct tag	*t;
+
+	child = 1;
+	t = SLIST_FIRST(&h->tags);
+
+	bufinit(h);
+
+	switch (n->type) {
+	case (MAN_ROOT):
+		child = man_root_pre(m, n, h);
+		break;
+	case (MAN_TEXT):
+		print_text(h, n->string);
+		break;
+	default:
+		if (mans[n->tok].pre)
+			child = (*mans[n->tok].pre)(m, n, h);
+		break;
+	}
+
+	if (child && n->child)
+		print_man_nodelist(m, n->child, h);
+
+	print_stagq(h, t);
+
+	bufinit(h);
+
+	switch (n->type) {
+	case (MAN_ROOT):
+		man_root_post(m, n, h);
+		break;
+	case (MAN_TEXT):
+		break;
+	default:
+		if (mans[n->tok].post)
+			(*mans[n->tok].post)(m, n, h);
+		break;
+	}
+}
+
+
+static int
+a2width(const struct man_node *n)
+{
+	int		 i, len;
+	const char	*p;
+
+	assert(MAN_TEXT == n->type);
+	assert(n->string);
+
+	p = n->string;
+
+	if (0 == (len = (int)strlen(p)))
+		return(-1);
+
+	for (i = 0; i < len; i++) 
+		if ( ! isdigit((u_char)p[i]))
+			break;
+
+	if (i == len - 1)  {
+		if ('n' == p[len - 1] || 'm' == p[len - 1])
+			return(atoi(p));
+	} else if (i == len)
+		return(atoi(p));
+
+	return(-1);
+}
+
+
+/* ARGSUSED */
+static int
+man_root_pre(MAN_ARGS)
+{
+	struct htmlpair	 tag[2];
+	struct tag	*t, *tt;
+	char		 b[BUFSIZ], title[BUFSIZ];
+
+	b[0] = 0;
+	if (m->vol)
+		(void)strlcat(b, m->vol, BUFSIZ);
+
+	(void)snprintf(title, BUFSIZ - 1, 
+			"%s(%d)", m->title, m->msec);
+
+	tag[0].key = ATTR_CLASS;
+	tag[0].val = "header";
+	tag[1].key = ATTR_STYLE;
+	tag[1].val = "width: 100%;";
+	t = print_otag(h, TAG_TABLE, 2, tag);
+	tt = print_otag(h, TAG_TR, 0, NULL);
+
+	tag[0].key = ATTR_STYLE;
+	tag[0].val = "width: 10%;";
+	print_otag(h, TAG_TD, 1, tag);
+	print_text(h, title);
+	print_stagq(h, tt);
+
+	tag[0].key = ATTR_STYLE;
+	tag[0].val = "width: 80%; white-space: nowrap; text-align: center;";
+	print_otag(h, TAG_TD, 1, tag);
+	print_text(h, b);
+	print_stagq(h, tt);
+
+	tag[0].key = ATTR_STYLE;
+	tag[0].val = "width: 10%; text-align: right;";
+	print_otag(h, TAG_TD, 1, tag);
+	print_text(h, title);
+	print_tagq(h, t);
+
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+man_root_post(MAN_ARGS)
+{
+	struct tm	 tm;
+	struct htmlpair	 tag[2];
+	struct tag	*t, *tt;
+	char		 b[BUFSIZ];
+
+	(void)localtime_r(&m->date, &tm);
+
+	if (0 == strftime(b, BUFSIZ - 1, "%B %e, %Y", &tm))
+		err(EXIT_FAILURE, "strftime");
+
+	tag[0].key = ATTR_CLASS;
+	tag[0].val = "footer";
+	tag[1].key = ATTR_STYLE;
+	tag[1].val = "width: 100%;";
+	t = print_otag(h, TAG_TABLE, 2, tag);
+	tt = print_otag(h, TAG_TR, 0, NULL);
+
+	tag[0].key = ATTR_STYLE;
+	tag[0].val = "width: 50%;";
+	print_otag(h, TAG_TD, 1, tag);
+	print_text(h, b);
+	print_stagq(h, tt);
+
+	tag[0].key = ATTR_STYLE;
+	tag[0].val = "width: 50%; text-align: right;";
+	print_otag(h, TAG_TD, 1, tag);
+	if (m->source)
+		print_text(h, m->source);
+	print_tagq(h, t);
+}
+
+
+
+/* ARGSUSED */
+static int
+man_br_pre(MAN_ARGS)
+{
+	int		len;
+	struct htmlpair	tag;
+
+	switch (n->tok) {
+	case (MAN_sp):
+		len = n->child ? atoi(n->child->string) : 1;
+		break;
+	case (MAN_br):
+		len = 0;
+		break;
+	default:
+		len = 1;
+		break;
+	}
+
+	buffmt(h, "height: %dem;", len);
+	tag.key = ATTR_STYLE;
+	tag.val = h->buf;
+	print_otag(h, TAG_DIV, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_SH_pre(MAN_ARGS)
+{
+	struct htmlpair		tag[2];
+
+	if (MAN_BODY == n->type) {
+		buffmt(h, "margin-left: %dem;", INDENT);
+
+		tag[0].key = ATTR_CLASS;
+		tag[0].val = "sec-body";
+		tag[1].key = ATTR_STYLE;
+		tag[1].val = h->buf;
+
+		print_otag(h, TAG_DIV, 2, tag);
+		return(1);
+	} else if (MAN_BLOCK == n->type) {
+		tag[0].key = ATTR_CLASS;
+		tag[0].val = "sec-block";
+
+		if (n->prev && MAN_SH == n->prev->tok)
+			if (NULL == n->prev->body->child) {
+				print_otag(h, TAG_DIV, 1, tag);
+				return(1);
+			}
+
+		bufcat(h, "margin-top: 1em;");
+		if (NULL == n->next)
+			bufcat(h, "margin-bottom: 1em;");
+
+		tag[1].key = ATTR_STYLE;
+		tag[1].val = h->buf;
+
+		print_otag(h, TAG_DIV, 2, tag);
+		return(1);
+	}
+
+	tag[0].key = ATTR_CLASS;
+	tag[0].val = "sec-head";
+
+	print_otag(h, TAG_DIV, 1, tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_SS_pre(MAN_ARGS)
+{
+	struct htmlpair	 tag[3];
+	int		 i;
+
+	i = 0;
+
+	if (MAN_BODY == n->type) {
+		tag[i].key = ATTR_CLASS;
+		tag[i++].val = "ssec-body";
+
+		if (n->parent->next && n->child) {
+			bufcat(h, "margin-bottom: 1em;");
+			tag[i].key = ATTR_STYLE;
+			tag[i++].val = h->buf;
+		}
+
+		print_otag(h, TAG_DIV, i, tag);
+		return(1);
+	} else if (MAN_BLOCK == n->type) {
+		tag[i].key = ATTR_CLASS;
+		tag[i++].val = "ssec-block";
+
+		if (n->prev && MAN_SS == n->prev->tok) 
+			if (n->prev->body->child) {
+				bufcat(h, "margin-top: 1em;");
+				tag[i].key = ATTR_STYLE;
+				tag[i++].val = h->buf;
+			}
+
+		print_otag(h, TAG_DIV, i, tag);
+		return(1);
+	}
+
+	buffmt(h, "margin-left: -%dem;", INDENT - HALFINDENT);
+
+	tag[0].key = ATTR_CLASS;
+	tag[0].val = "ssec-head";
+	tag[1].key = ATTR_STYLE;
+	tag[1].val = h->buf;
+
+	print_otag(h, TAG_DIV, 2, tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_PP_pre(MAN_ARGS)
+{
+	struct htmlpair	 tag;
+	int		 i;
+
+	if (MAN_BLOCK != n->type)
+		return(1);
+
+	i = 0;
+
+	if (MAN_ROOT == n->parent->tok) {
+		buffmt(h, "margin-left: %dem;", INDENT);
+		i = 1;
+	}
+	if (n->next && n->next->child) {
+		i = 1;
+		bufcat(h, "margin-bottom: 1em;");
+	}
+
+	tag.key = ATTR_STYLE;
+	tag.val = h->buf;
+	print_otag(h, TAG_DIV, i, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_IP_pre(MAN_ARGS)
+{
+	struct htmlpair	 	 tag;
+	int		 	 len, ival;
+	const struct man_node	*nn;
+
+	len = 1;
+	if (NULL != (nn = n->parent->head->child))
+		if (NULL != (nn = nn->next)) {
+			for ( ; nn->next; nn = nn->next)
+				/* Do nothing. */ ;
+			if ((ival = a2width(nn)) >= 0)
+				len = ival;
+		}
+
+	if (MAN_BLOCK == n->type) {
+		buffmt(h, "clear: both; margin-left: %dem;", len);
+		tag.key = ATTR_STYLE;
+		tag.val = h->buf;
+		print_otag(h, TAG_DIV, 1, &tag);
+		return(1);
+	} else if (MAN_HEAD == n->type) {
+		buffmt(h, "margin-left: -%dem; min-width: %dem;", 
+				len, len - 1);
+		bufcat(h, "clear: left;");
+		bufcat(h, "padding-right: 1em;");
+		if (n->next && n->next->child)
+			bufcat(h, "float: left;");
+		tag.key = ATTR_STYLE;
+		tag.val = h->buf;
+		print_otag(h, TAG_DIV, 1, &tag);
+
+		/* Don't print the length value. */
+
+		for (nn = n->child; nn->next; nn = nn->next)
+			print_man_node(m, nn, h);
+		return(0);
+	}
+
+	print_otag(h, TAG_DIV, 0, &tag);
+	return(1);
 }