From 234884d113221f817102fb404dadd44b4e860fb9 Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Sat, 23 Jul 2011 22:57:13 +0000
Subject: Flip on equation printing for -T[x]html.

---
 eqn_html.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 eqn_html.c

(limited to 'eqn_html.c')

diff --git a/eqn_html.c b/eqn_html.c
new file mode 100644
index 00000000..78e11d43
--- /dev/null
+++ b/eqn_html.c
@@ -0,0 +1,89 @@
+/*	$Id: eqn_html.c,v 1.1 2011/07/23 22:57:13 kristaps Exp $ */
+/*
+ * Copyright (c) 2011 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
+ * 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.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mandoc.h"
+#include "out.h"
+#include "html.h"
+
+static void	eqn_box(struct html *, const struct eqn_box *);
+static void	eqn_box_post(struct html *, const struct eqn_box *);
+static void	eqn_box_pre(struct html *, const struct eqn_box *);
+static void	eqn_text(struct html *, const struct eqn_box *);
+
+void
+print_eqn(struct html *p, const struct eqn *ep)
+{
+	struct htmlpair	 tag;
+	struct tag	*t;
+
+	PAIR_CLASS_INIT(&tag, "eqn");
+	t = print_otag(p, TAG_SPAN, 1, &tag);
+
+	p->flags |= HTML_NONOSPACE;
+	eqn_box(p, ep->root);
+	p->flags &= ~HTML_NONOSPACE;
+
+	print_tagq(p, t);
+}
+
+static void
+eqn_box(struct html *p, const struct eqn_box *bp)
+{
+
+	eqn_box_pre(p, bp);
+	eqn_text(p, bp);
+
+	if (bp->first)
+		eqn_box(p, bp->first);
+
+	eqn_box_post(p, bp);
+
+	if (bp->next)
+		eqn_box(p, bp->next);
+}
+
+static void
+eqn_box_pre(struct html *p, const struct eqn_box *bp)
+{
+
+	if (bp->left)
+		print_text(p, bp->left);
+}
+
+static void
+eqn_box_post(struct html *p, const struct eqn_box *bp)
+{
+
+	if (bp->right)
+		print_text(p, bp->right);
+}
+
+static void
+eqn_text(struct html *p, const struct eqn_box *bp)
+{
+
+	if (bp->text)
+		print_text(p, bp->text);
+}
-- 
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