From 8c8d1dc5695c224a3d0e5ef176b63d592886e69f Mon Sep 17 00:00:00 2001
From: wlemb <wlemb>
Date: Fri, 10 Mar 2000 00:37:45 +0000
Subject: New file.

---
 src/include/htmlindicate.h        | 41 ++++++++++++++++++++++++
 src/libs/libgroff/htmlindicate.cc | 67 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 108 insertions(+)
 create mode 100755 src/include/htmlindicate.h
 create mode 100755 src/libs/libgroff/htmlindicate.cc

diff --git a/src/include/htmlindicate.h b/src/include/htmlindicate.h
new file mode 100755
index 00000000..c496739d
--- /dev/null
+++ b/src/include/htmlindicate.h
@@ -0,0 +1,41 @@
+// -*- C++ -*-
+/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+     Written by Gaius Mulley <gaius@glam.ac.uk>
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License along
+with groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#if !defined(HTMLINDICATE_H)
+#  define HTMLINDICATE_H
+
+/*
+ *  graphic_start - emit a html graphic start indicator, but only
+ *                  if one has not already been issued.
+ */
+
+extern void graphic_start (void);
+
+
+/*
+ *  graphic_end - emit a html graphic end indicator, but only
+ *                if a corresponding matching graphic-start has
+ *                been issued.
+ */
+
+extern void graphic_end (void);
+
+#endif
+
diff --git a/src/libs/libgroff/htmlindicate.cc b/src/libs/libgroff/htmlindicate.cc
new file mode 100755
index 00000000..91e53a26
--- /dev/null
+++ b/src/libs/libgroff/htmlindicate.cc
@@ -0,0 +1,67 @@
+/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+     Written by Gaius Mulley (gaius@glam.ac.uk)
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License along
+with groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "posix.h"
+#include "stringclass.h"
+
+/*
+ *  this file contains a very simple set of routines shared by
+ *  tbl, pic, eqn which help the html device driver to make
+ *  sensible formatting choices. Currently it simply indicates
+ *  when a region of gyphs should be rendered as an image rather
+ *  than html. In the future it should be expanded so to enable:
+ *
+ *    tbl    to inform grohtml about table widths.
+ *    troff  to inform grohtml about tab positions and whether
+ *           we are entering two/three column mode.
+ */
+
+
+static int is_in_graphic_start = 0;
+
+/*
+ *  graphic_start - emit a html graphic start indicator, but only
+ *                  if one has not already been issued.
+ */
+
+void graphic_start (void)
+{
+  if (! is_in_graphic_start) {
+    put_string(".if '\\*(.T'html' \\X(graphic-start(\\c\n", stdout);
+    is_in_graphic_start = 1;
+  }
+}
+
+/*
+ *  graphic_end - emit a html graphic end indicator, but only
+ *                if a corresponding matching graphic-start has
+ *                been issued.
+ */
+
+void graphic_end (void)
+{
+  if (is_in_graphic_start) {
+    put_string(".if '\\*(.T'html' \\X(graphic-end(\\c\n", stdout);
+    is_in_graphic_start = 0;
+  }
+}
-- 
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