===================================================================
RCS file: /cvs/mandoc/mdoc_html.c,v
retrieving revision 1.70
retrieving revision 1.92
diff -u -p -r1.70 -r1.92
--- mandoc/mdoc_html.c	2010/05/30 22:56:02	1.70
+++ mandoc/mdoc_html.c	2010/07/02 12:54:33	1.92
@@ -1,6 +1,6 @@
-/*	$Id: mdoc_html.c,v 1.70 2010/05/30 22:56:02 kristaps Exp $ */
+/*	$Id: mdoc_html.c,v 1.92 2010/07/02 12:54:33 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -30,6 +30,7 @@
 #include "mandoc.h"
 #include "out.h"
 #include "html.h"
+#include "regs.h"
 #include "mdoc.h"
 #include "main.h"
 
@@ -53,6 +54,8 @@ static	void		  print_mdoc(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 mdoc_node *);
 
 static	void		  a2width(const char *, struct roffsu *);
 static	void		  a2offs(const char *, struct roffsu *);
@@ -255,6 +258,7 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{mdoc_sp_pre, NULL}, /* br */
 	{mdoc_sp_pre, NULL}, /* sp */ 
 	{mdoc__x_pre, mdoc__x_post}, /* %U */ 
+	{NULL, NULL}, /* Ta */ 
 };
 
 
@@ -292,6 +296,55 @@ a2width(const char *p, struct roffsu *su)
 
 
 /*
+ * See the same function in mdoc_term.c for documentation.
+ */
+static void
+synopsis_pre(struct html *h, const struct mdoc_node *n)
+{
+	struct roffsu	 su;
+	struct htmlpair	 tag;
+
+	if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
+		return;
+
+	SCALE_VS_INIT(&su, 1);
+	bufcat_su(h, "margin-top", &su);
+	PAIR_STYLE_INIT(&tag, h);
+
+	if (n->prev->tok == n->tok && 
+			MDOC_Fo != n->tok && 
+			MDOC_Ft != n->tok && 
+			MDOC_Fn != n->tok) {
+		print_otag(h, TAG_DIV, 0, NULL);
+		return;
+	}
+
+	switch (n->prev->tok) {
+	case (MDOC_Fd):
+		/* FALLTHROUGH */
+	case (MDOC_Fn):
+		/* FALLTHROUGH */
+	case (MDOC_Fo):
+		/* FALLTHROUGH */
+	case (MDOC_In):
+		/* FALLTHROUGH */
+	case (MDOC_Vt):
+		print_otag(h, TAG_DIV, 1, &tag);
+		break;
+	case (MDOC_Ft):
+		if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
+			print_otag(h, TAG_DIV, 1, &tag);
+			break;
+		}
+		/* FALLTHROUGH */
+	default:
+		print_otag(h, TAG_DIV, 0, NULL);
+		break;
+	}
+}
+
+
+/*
  * Calculate the scaling unit passed in an `-offset' argument.  This
  * uses either a native scaling unit (e.g., 1i, 2m), one of a set of
  * predefined strings (indent, etc.), or the string length of the value.
@@ -384,7 +437,7 @@ print_mdoc_node(MDOC_ARGS)
 		print_text(h, n->string);
 		return;
 	default:
-		if (mdocs[n->tok].pre)
+		if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
 			child = (*mdocs[n->tok].pre)(m, n, h);
 		break;
 	}
@@ -400,7 +453,7 @@ print_mdoc_node(MDOC_ARGS)
 		mdoc_root_post(m, n, h);
 		break;
 	default:
-		if (mdocs[n->tok].post)
+		if (mdocs[n->tok].post && ENDBODY_NOT == n->end)
 			(*mdocs[n->tok].post)(m, n, h);
 		break;
 	}
@@ -683,23 +736,70 @@ mdoc_op_post(MDOC_ARGS)
 static int
 mdoc_nm_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag;
+	struct htmlpair	 tag;
+	struct roffsu	 su;
+	const char	*cp;
 
-	if (NULL == n->child && NULL == m->name)
-		return(1);
+	/*
+	 * Accomodate for `Nm' being both an element (which may have
+	 * NULL children AND no m->name) and a block.
+	 */
 
-	if (SEC_SYNOPSIS == n->sec && 
-			n->prev && MDOC_LINE & n->flags) {
+	cp = NULL;
+
+	if (MDOC_ELEM == n->type) {
+		if (NULL == n->child && NULL == m->name)
+			return(1);
+		synopsis_pre(h, n);
+		PAIR_CLASS_INIT(&tag, "name");
+		print_otag(h, TAG_SPAN, 1, &tag);
+		if (NULL == n->child)
+			print_text(h, m->name);
+	} else if (MDOC_BLOCK == n->type) {
+		synopsis_pre(h, n);
+
 		bufcat_style(h, "clear", "both");
+		if (n->head->child || m->name) {
+			if (n->head->child && MDOC_TEXT == 
+					n->head->child->type)
+				cp = n->head->child->string;
+			if (NULL == cp || '\0' == *cp)
+				cp = m->name;
+
+			SCALE_HS_INIT(&su, (double)strlen(cp));
+			bufcat_su(h, "padding-left", &su);
+		}
+
 		PAIR_STYLE_INIT(&tag, h);
-		print_otag(h, TAG_BR, 1, &tag);
-	}
+		print_otag(h, TAG_DIV, 1, &tag);
+	} else if (MDOC_HEAD == n->type) { 
+		if (NULL == n->child && NULL == m->name)
+			return(1);
 
-	PAIR_CLASS_INIT(&tag, "name");
-	print_otag(h, TAG_SPAN, 1, &tag);
-	if (NULL == n->child)
-		print_text(h, m->name);
+		if (n->child && MDOC_TEXT == n->child->type)
+			cp = n->child->string;
+		if (NULL == cp || '\0' == *cp)
+			cp = m->name;
 
+		SCALE_HS_INIT(&su, (double)strlen(cp));
+
+		bufcat_style(h, "float", "left");
+		bufcat_su(h, "min-width", &su);
+		SCALE_INVERT(&su);
+		bufcat_su(h, "margin-left", &su);
+
+		PAIR_STYLE_INIT(&tag, h);
+		print_otag(h, TAG_DIV, 1, &tag);
+
+		if (NULL == n->child)
+			print_text(h, m->name);
+	} else if (MDOC_BODY == n->type) {
+		SCALE_HS_INIT(&su, 2);
+		bufcat_su(h, "margin-left", &su);
+		PAIR_STYLE_INIT(&tag, h);
+		print_otag(h, TAG_DIV, 1, &tag);
+	}
+
 	return(1);
 }
 
@@ -831,7 +931,6 @@ mdoc_it_block_pre(MDOC_ARGS, enum mdoc_list type, int 
 	struct roffsu		 su;
 
 	nn = n->parent->parent;
-	assert(nn->args);
 
 	/* XXX: see notes in mdoc_it_pre(). */
 
@@ -990,11 +1089,14 @@ mdoc_it_pre(MDOC_ARGS)
 	if (MDOC_BLOCK != n->type)
 		bl = bl->parent;
 
-	type = bl->data.list;
+	SCALE_HS_INIT(&offs, 0);
 
-	/* Set default width and offset. */
+	assert(bl->data.Bl);
+	type = bl->data.Bl->type;
+	comp = bl->data.Bl->comp;
 
-	SCALE_HS_INIT(&offs, 0);
+	if (bl->data.Bl->offs)
+		a2offs(bl->data.Bl->offs, &offs);
 
 	switch (type) {
 	case (LIST_enum):
@@ -1011,22 +1113,15 @@ mdoc_it_pre(MDOC_ARGS)
 		break;
 	}
 
-	/* Get width, offset, and compact arguments. */
+	if (bl->data.Bl->width)
+		a2width(bl->data.Bl->width, &width);
 
-	for (wp = -1, comp = i = 0; i < (int)bl->args->argc; i++) 
+	wp = -1;
+	for (i = 0; bl->args && i < (int)bl->args->argc; i++) 
 		switch (bl->args->argv[i].arg) {
 		case (MDOC_Column):
 			wp = i; /* Save for later. */
 			break;
-		case (MDOC_Width):
-			a2width(bl->args->argv[i].value[0], &width);
-			break;
-		case (MDOC_Offset):
-			a2offs(bl->args->argv[i].value[0], &offs);
-			break;
-		case (MDOC_Compact):
-			comp = 1;
-			break;
 		default:
 			break;
 		}
@@ -1077,7 +1172,8 @@ mdoc_bl_pre(MDOC_ARGS)
 		return(0);
 	if (MDOC_BLOCK != n->type)
 		return(1);
-	if (LIST_enum != n->data.list)
+	assert(n->data.Bl);
+	if (LIST_enum != n->data.Bl->type)
 		return(1);
 
 	ord = malloc(sizeof(struct ord));
@@ -1101,7 +1197,7 @@ mdoc_bl_post(MDOC_ARGS)
 
 	if (MDOC_BLOCK != n->type)
 		return;
-	if (LIST_enum != n->data.list)
+	if (LIST_enum != n->data.Bl->type)
 		return;
 
 	ord = h->ords.head;
@@ -1245,7 +1341,7 @@ mdoc_d1_pre(MDOC_ARGS)
 
 	/* FIXME: D1 shouldn't be literal. */
 
-	SCALE_VS_INIT(&su, INDENT - 1);
+	SCALE_VS_INIT(&su, INDENT - 2);
 	bufcat_su(h, "margin-left", &su);
 	PAIR_CLASS_INIT(&tag[0], "lit");
 	PAIR_STYLE_INIT(&tag[1], h);
@@ -1307,43 +1403,21 @@ static int
 mdoc_bd_pre(MDOC_ARGS)
 {
 	struct htmlpair	 	 tag[2];
-	int		 	 type, comp, i;
-	const struct mdoc_node	*bl, *nn;
+	int		 	 comp;
+	const struct mdoc_node	*nn;
 	struct roffsu		 su;
 
-	if (MDOC_BLOCK == n->type)
-		bl = n;
-	else if (MDOC_HEAD == n->type)
+	if (MDOC_HEAD == n->type)
 		return(0);
-	else
-		bl = n->parent;
 
 	SCALE_VS_INIT(&su, 0);
 
-	type = comp = 0;
-	for (i = 0; i < (int)bl->args->argc; i++) 
-		switch (bl->args->argv[i].arg) {
-		case (MDOC_Offset):
-			a2offs(bl->args->argv[i].value[0], &su);
-			break;
-		case (MDOC_Compact):
-			comp = 1;
-			break;
-		case (MDOC_Centred):
-			/* FALLTHROUGH */
-		case (MDOC_Ragged):
-			/* FALLTHROUGH */
-		case (MDOC_Filled):
-			/* FALLTHROUGH */
-		case (MDOC_Unfilled):
-			/* FALLTHROUGH */
-		case (MDOC_Literal):
-			type = bl->args->argv[i].arg;
-			break;
-		default:
-			break;
-		}
+	assert(n->data.Bd);
+	if (n->data.Bd->offs)
+		a2offs(n->data.Bd->offs, &su);
 
+	comp = n->data.Bd->comp;
+
 	/* FIXME: -centered, etc. formatting. */
 	/* FIXME: does not respect -offset ??? */
 
@@ -1369,7 +1443,8 @@ mdoc_bd_pre(MDOC_ARGS)
 		return(1);
 	}
 
-	if (MDOC_Unfilled != type && MDOC_Literal != type)
+	if (DISP_unfilled != n->data.Bd->type && 
+			DISP_literal != n->data.Bd->type)
 		return(1);
 
 	PAIR_CLASS_INIT(&tag[0], "lit");
@@ -1436,7 +1511,7 @@ mdoc_cd_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	print_otag(h, TAG_DIV, 0, NULL);
+	synopsis_pre(h, n);
 	PAIR_CLASS_INIT(&tag, "config");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
@@ -1513,17 +1588,8 @@ static int
 mdoc_fd_pre(MDOC_ARGS)
 {
 	struct htmlpair	 tag;
-	struct roffsu	 su;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
-		if (n->next && MDOC_Fd != n->next->tok) {
-			SCALE_VS_INIT(&su, 1);
-			bufcat_su(h, "margin-bottom", &su);
-			PAIR_STYLE_INIT(&tag, h);
-			print_otag(h, TAG_DIV, 1, &tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-	}
+	synopsis_pre(h, n);
 
 	PAIR_CLASS_INIT(&tag, "macro");
 	print_otag(h, TAG_SPAN, 1, &tag);
@@ -1536,18 +1602,12 @@ static int
 mdoc_vt_pre(MDOC_ARGS)
 {
 	struct htmlpair	 tag;
-	struct roffsu	 su;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_BLOCK == n->type) {
-		if (n->next && MDOC_Vt != n->next->tok) {
-			SCALE_VS_INIT(&su, 1);
-			bufcat_su(h, "margin-bottom", &su);
-			PAIR_STYLE_INIT(&tag, h);
-			print_otag(h, TAG_DIV, 1, &tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-		
+	if (MDOC_BLOCK == n->type) {
+		synopsis_pre(h, n);
 		return(1);
+	} else if (MDOC_ELEM == n->type) {
+		synopsis_pre(h, n);
 	} else if (MDOC_HEAD == n->type)
 		return(0);
 
@@ -1563,9 +1623,7 @@ mdoc_ft_pre(MDOC_ARGS)
 {
 	struct htmlpair	 tag;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
-		print_otag(h, TAG_DIV, 0, NULL);
-
+	synopsis_pre(h, n);
 	PAIR_CLASS_INIT(&tag, "ftype");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
@@ -1582,20 +1640,8 @@ mdoc_fn_pre(MDOC_ARGS)
 	char			 nbuf[BUFSIZ];
 	const char		*sp, *ep;
 	int			 sz, i;
-	struct roffsu		 su;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
-		SCALE_HS_INIT(&su, INDENT);
-		bufcat_su(h, "margin-left", &su);
-		su.scale = -su.scale;
-		bufcat_su(h, "text-indent", &su);
-		if (n->next) {
-			SCALE_VS_INIT(&su, 1);
-			bufcat_su(h, "margin-bottom", &su);
-		}
-		PAIR_STYLE_INIT(&tag[0], h);
-		print_otag(h, TAG_DIV, 1, tag);
-	}
+	synopsis_pre(h, n);
 
 	/* Split apart into type and name. */
 	assert(n->child->string);
@@ -1624,7 +1670,7 @@ mdoc_fn_pre(MDOC_ARGS)
 	 */
 
 #if 0
-	if (SEC_SYNOPSIS == n->sec) {
+	if (MDOC_SYNPRETTY & n->flags) {
 		nbuf[0] = '\0';
 		html_idcat(nbuf, sp, BUFSIZ);
 		PAIR_ID_INIT(&tag[1], nbuf);
@@ -1654,7 +1700,7 @@ mdoc_fn_pre(MDOC_ARGS)
 
 	for (nn = n->child->next; nn; nn = nn->next) {
 		i = 1;
-		if (SEC_SYNOPSIS == n->sec)
+		if (MDOC_SYNPRETTY & n->flags)
 			i = 2;
 		t = print_otag(h, TAG_SPAN, i, tag);
 		print_text(h, nn->string);
@@ -1664,7 +1710,7 @@ mdoc_fn_pre(MDOC_ARGS)
 	}
 
 	print_text(h, ")");
-	if (SEC_SYNOPSIS == n->sec)
+	if (MDOC_SYNPRETTY & n->flags)
 		print_text(h, ";");
 
 	return(0);
@@ -1780,25 +1826,29 @@ mdoc_mt_pre(MDOC_ARGS)
 static int
 mdoc_fo_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag;
-	struct roffsu	su;
+	struct htmlpair	 tag;
+	struct tag	*t;
 
 	if (MDOC_BODY == n->type) {
 		h->flags |= HTML_NOSPACE;
 		print_text(h, "(");
 		h->flags |= HTML_NOSPACE;
 		return(1);
-	} else if (MDOC_BLOCK == n->type && n->next) {
-		SCALE_VS_INIT(&su, 1);
-		bufcat_su(h, "margin-bottom", &su);
-		PAIR_STYLE_INIT(&tag, h);
-		print_otag(h, TAG_DIV, 1, &tag);
+	} else if (MDOC_BLOCK == n->type) {
+		synopsis_pre(h, n);
 		return(1);
 	}
 
+	/* XXX: we drop non-initial arguments as per groff. */
+
+	assert(n->child);
+	assert(n->child->string);
+
 	PAIR_CLASS_INIT(&tag, "fname");
-	print_otag(h, TAG_SPAN, 1, &tag);
-	return(1);
+	t = print_otag(h, TAG_SPAN, 1, &tag);
+	print_text(h, n->child->string);
+	print_tagq(h, t);
+	return(0);
 }
 
 
@@ -1806,6 +1856,7 @@ mdoc_fo_pre(MDOC_ARGS)
 static void
 mdoc_fo_post(MDOC_ARGS)
 {
+
 	if (MDOC_BODY != n->type)
 		return;
 	h->flags |= HTML_NOSPACE;
@@ -1823,31 +1874,18 @@ mdoc_in_pre(MDOC_ARGS)
 	struct tag		*t;
 	struct htmlpair		 tag[2];
 	int			 i;
-	struct roffsu		 su;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
-		if (n->next && MDOC_In != n->next->tok) {
-			SCALE_VS_INIT(&su, 1);
-			bufcat_su(h, "margin-bottom", &su);
-			PAIR_STYLE_INIT(&tag[0], h);
-			print_otag(h, TAG_DIV, 1, tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-	}
+	synopsis_pre(h, n);
 
-	/* FIXME: there's a buffer bug in here somewhere. */
-
 	PAIR_CLASS_INIT(&tag[0], "includes");
 	print_otag(h, TAG_SPAN, 1, tag);
 
-	if (SEC_SYNOPSIS == n->sec)
+	if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
 		print_text(h, "#include");
 
 	print_text(h, "<");
 	h->flags |= HTML_NOSPACE;
 
-	/* XXX -- see warning in termp_in_post(). */
-
 	for (nn = n->child; nn; nn = nn->next) {
 		PAIR_CLASS_INIT(&tag[0], "link-includes");
 		i = 1;
@@ -1977,47 +2015,33 @@ mdoc_ap_pre(MDOC_ARGS)
 static int
 mdoc_bf_pre(MDOC_ARGS)
 {
-	int		 i;
 	struct htmlpair	 tag[2];
 	struct roffsu	 su;
 
 	if (MDOC_HEAD == n->type)
 		return(0);
-	else if (MDOC_BLOCK != n->type)
+	else if (MDOC_BODY != n->type)
 		return(1);
 
-	PAIR_CLASS_INIT(&tag[0], "lit");
+	assert(n->data.Bf);
 
-	if (n->head->child) {
-		if ( ! strcmp("Em", n->head->child->string))
-			PAIR_CLASS_INIT(&tag[0], "emph");
-		else if ( ! strcmp("Sy", n->head->child->string))
-			PAIR_CLASS_INIT(&tag[0], "symb");
-		else if ( ! strcmp("Li", n->head->child->string))
-			PAIR_CLASS_INIT(&tag[0], "lit");
-	} else {
-		assert(n->args);
-		for (i = 0; i < (int)n->args->argc; i++) 
-			switch (n->args->argv[i].arg) {
-			case (MDOC_Symbolic):
-				PAIR_CLASS_INIT(&tag[0], "symb");
-				break;
-			case (MDOC_Literal):
-				PAIR_CLASS_INIT(&tag[0], "lit");
-				break;
-			case (MDOC_Emphasis):
-				PAIR_CLASS_INIT(&tag[0], "emph");
-				break;
-			default:
-				break;
-			}
-	}
+	if (FONT_Em == n->data.Bf->font) 
+		PAIR_CLASS_INIT(&tag[0], "emph");
+	else if (FONT_Sy == n->data.Bf->font) 
+		PAIR_CLASS_INIT(&tag[0], "symb");
+	else if (FONT_Li == n->data.Bf->font) 
+		PAIR_CLASS_INIT(&tag[0], "lit");
+	else
+		PAIR_CLASS_INIT(&tag[0], "none");
 
-	/* FIXME: div's have spaces stripped--we want them. */
-
+	/* 
+	 * We want this to be inline-formatted, but needs to be div to
+	 * accept block children. 
+	 */
 	bufcat_style(h, "display", "inline");
 	SCALE_HS_INIT(&su, 1);
-	bufcat_su(h, "margin-right", &su);
+	/* 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);