From a38956d48605c5b82c42f5023ba51e80dc6e3728 Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Wed, 7 Oct 2009 12:35:23 +0000
Subject: Additions to -Tman -Thtml: all structural components tested & in
 place. Fitted both -Thtml with handling of arbitrary vertical and horizontal
 scaling units (see groff(7)).  Undocumented until fitted into -Tascii (next
 release).

---
 html.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 55 insertions(+), 3 deletions(-)

(limited to 'html.c')

diff --git a/html.c b/html.c
index d73c87b6..5e02de12 100644
--- a/html.c
+++ b/html.c
@@ -1,4 +1,4 @@
-/*	$Id: html.c,v 1.57 2009/10/04 09:02:40 kristaps Exp $ */
+/*	$Id: html.c,v 1.58 2009/10/07 12:35:23 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -25,6 +25,7 @@
 #include <string.h>
 #include <unistd.h>
 
+#include "out.h"
 #include "chars.h"
 #include "html.h"
 
@@ -498,6 +499,17 @@ bufinit(struct html *h)
 }
 
 
+void
+bufcat_style(struct html *h, const char *key, const char *val)
+{
+
+	bufcat(h, key);
+	bufncat(h, ":", 1);
+	bufcat(h, val);
+	bufncat(h, ";", 1);
+}
+
+
 void
 bufcat(struct html *h, const char *p)
 {
@@ -565,10 +577,10 @@ buffmt_man(struct html *h,
 		bufncat(h, pp, (size_t)(p - pp));
 		switch (*(p + 1)) {
 		case('S'):
-			bufcat(h, sec);
+			bufcat(h, sec ? sec : "1");
 			break;
 		case('N'):
-			buffmt(h, name ? name : "1");
+			buffmt(h, name);
 			break;
 		default:
 			bufncat(h, p, 2);
@@ -579,3 +591,43 @@ buffmt_man(struct html *h,
 	if (pp)
 		bufcat(h, pp);
 }
+
+
+void
+bufcat_su(struct html *h, const char *p, const struct roffsu *su)
+{
+	int		 v;
+	char		*u;
+
+	v = su->scale;
+
+	switch (su->unit) {
+	case (SCALE_CM):
+		u = "cm";
+		break;
+	case (SCALE_IN):
+		u = "in";
+		break;
+	case (SCALE_PC):
+		u = "pc";
+		break;
+	case (SCALE_PT):
+		u = "pt";
+		break;
+	case (SCALE_MM):
+		if (0 == (v /= 100))
+			v = 1;
+		u = "em";
+		break;
+	case (SCALE_VS):
+		/* FALLTHROUGH */
+	case (SCALE_EM):
+		u = "em";
+		break;
+	default:
+		u = "ex";
+		break;
+	}
+
+	buffmt(h, "%s: %d%s;", p, v, u);
+}
-- 
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