mandoc: Implement horizontal and vertical alignment of tbl(7) cell

mandoc: Implement horizontal and vertical alignment of tbl(7) cell

[schwarze]

Log Message:
-----------
Implement horizontal and vertical alignment of tbl(7) cell content
in -T html output.  This does not handle spanned cells yet.
Missing feature reported by Pali dot Rohar at gmail dot com.

Modified Files:
--------------
    mandoc:
        TODO
        mandoc.css
        tbl_html.c

Revision Data
-------------
Index: mandoc.css
===================================================================
RCS file: /home/cvs/mandoc/mandoc/mandoc.css,v
retrieving revision 1.37
retrieving revision 1.38
diff -Lmandoc.css -Lmandoc.css -u -p -r1.37 -r1.38
--- mandoc.css
+++ mandoc.css
@@ -9,7 +9,7 @@ html {		max-width: 65em; }
 body {		font-family: Helvetica,Arial,sans-serif; }
 table {		margin-top: 0em;
 		margin-bottom: 0em; }
-td {		vertical-align: top; }
+td {		vertical-align: middle; }
 ul, ol, dl {	margin-top: 0em;
 		margin-bottom: 0em; }
 li, dt {	margin-top: 1em; }
Index: tbl_html.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/tbl_html.c,v
retrieving revision 1.24
retrieving revision 1.25
diff -Ltbl_html.c -Ltbl_html.c -u -p -r1.24 -r1.25
--- tbl_html.c
+++ tbl_html.c
@@ -1,7 +1,7 @@
 /*	$Id$ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2014, 2015, 2017, 2018 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
@@ -103,6 +103,7 @@ print_tbl(struct html *h, const struct t
 {
 	const struct tbl_dat *dp;
 	struct tag	*tt;
+	const char	*halign, *valign;
 	int		 ic;
 
 	/* Inhibit printing of spaces: we do padding ourselves. */
@@ -126,10 +127,40 @@ print_tbl(struct html *h, const struct t
 		dp = sp->first;
 		for (ic = 0; ic < sp->opts->cols; ic++) {
 			print_stagq(h, tt);
-			print_otag(h, TAG_TD, "");
-
-			if (dp == NULL || dp->layout->col > ic)
+			if (dp == NULL || dp->layout->col > ic) {
+				print_otag(h, TAG_TD, "");
 				continue;
+			}
+			switch (dp->layout->pos) {
+			case TBL_CELL_CENTRE:
+				halign = "center";
+				break;
+			case TBL_CELL_RIGHT:
+			case TBL_CELL_NUMBER:
+				halign = "right";
+				break;
+			default:
+				halign = NULL;
+				break;
+			}
+			if (dp->layout->flags & TBL_CELL_TALIGN)
+				valign = "top";
+			else if (dp->layout->flags & TBL_CELL_BALIGN)
+				valign = "bottom";
+			else
+				valign = NULL;
+			if (halign == NULL && valign == NULL)
+				print_otag(h, TAG_TD, "");
+			else if (halign == NULL)
+				print_otag(h, TAG_TD, "s",
+				    "vertical-align", valign);
+			else if (valign == NULL)
+				print_otag(h, TAG_TD, "s",
+				    "text-align", halign);
+			else
+				print_otag(h, TAG_TD, "ss",
+				    "vertical-align", valign,
+				    "text-align", halign);
 			if (dp->layout->pos != TBL_CELL_DOWN)
 				if (dp->string != NULL)
 					print_text(h, dp->string);
@@ -148,5 +179,4 @@ print_tbl(struct html *h, const struct t
 		h->tbl.cols = NULL;
 		print_tblclose(h);
 	}
-
 }
Index: TODO
===================================================================
RCS file: /home/cvs/mandoc/mandoc/TODO,v
retrieving revision 1.274
retrieving revision 1.275
diff -LTODO -LTODO -u -p -r1.274 -r1.275
--- TODO
+++ TODO
@@ -195,10 +195,6 @@ are mere guesses, and some may be wrong.
   suggested by bentley@  Tue, 14 Oct 2014 04:10:55 -0600
   loc *  exist **  algo *  size *  imp **
 
-- implement horizontal and vertical alignment in HTML output
-  pali dot rohar at gmail dot com 16 Jul 2018 13:03:35 +0200
-  loc *  exist *  algo *  size *  imp ***
-
 - implement cell spanning in HTML output
   pali dot rohar at gmail dot com 16 Jul 2018 13:03:35 +0200
   loc *  exist *  algo **  size **  imp **
--
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