From d4309408b94eb36fcea040582e8579967cb7878b Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Thu, 4 May 2017 22:16:09 +0000
Subject: Start roff formatter modules for HTML and termininal output, used by
 both the mdoc and man formatters, with the ultimate goal of reducing code
 duplication between the two macro formatters. Made possible by the parser
 unification. Add the first formatting function (for the .br request).

---
 roff_term.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 roff_term.c

(limited to 'roff_term.c')

diff --git a/roff_term.c b/roff_term.c
new file mode 100644
index 00000000..d96d9dd8
--- /dev/null
+++ b/roff_term.c
@@ -0,0 +1,52 @@
+/*	$OpenBSD$ */
+/*
+ * Copyright (c) 2017 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
+ * 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.
+ */
+#include <sys/types.h>
+
+#include <assert.h>
+
+#include "roff.h"
+#include "out.h"
+#include "term.h"
+
+#define	ROFF_TERM_ARGS struct termp *p, const struct roff_node *n
+
+typedef	void	(*roff_term_pre_fp)(ROFF_TERM_ARGS);
+
+static	void	  roff_term_pre_br(ROFF_TERM_ARGS);
+
+static	const roff_term_pre_fp roff_term_pre_acts[ROFF_MAX] = {
+	roff_term_pre_br,  /* br */
+};
+
+
+void
+roff_term_pre(struct termp *p, const struct roff_node *n)
+{
+	assert(n->tok < ROFF_MAX);
+	(*roff_term_pre_acts[n->tok])(p, n);
+}
+
+static void
+roff_term_pre_br(ROFF_TERM_ARGS)
+{
+	term_newln(p);
+	if (p->flags & TERMP_BRIND) {
+		p->offset = p->rmargin;
+		p->rmargin = p->maxrmargin;
+		p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
+	}
+}
-- 
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