1 files changed, 55 insertions, 0 deletions
diff --git a/src/include/DviChar.h b/src/include/DviChar.h
new file mode 100644
index 0000000..1100d81
--- /dev/null
+++ b/src/include/DviChar.h
@@ -0,0 +1,55 @@
+/* -*- C -*- */
+/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
+
+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 of the License, 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 can find the license text at
+<http://www.gnu.org/licenses/gpl-2.0.txt>. */
+
+/*
+ * DviChar.h
+ *
+ * descriptions for mapping dvi names to
+ * font indexes and back.  Dvi fonts are all
+ * 256 elements (actually only 256-32 are usable).
+ *
+ * The encoding names are taken from X -
+ * case insensitive, a dash separating the
+ * CharSetRegistry from the CharSetEncoding
+ */
+
+# define DVI_MAX_SYNONYMS	10
+# define DVI_MAP_SIZE		256
+# define DVI_HASH_SIZE		256
+
+typedef struct _dviCharNameHash {
+	struct _dviCharNameHash	*next;
+	const char		*name;
+	int			position;
+} DviCharNameHash;
+
+typedef struct _dviCharNameMap {
+    const char		*encoding;
+    int			special;
+    const char		*dvi_names[DVI_MAP_SIZE][DVI_MAX_SYNONYMS];
+    DviCharNameHash	*buckets[DVI_HASH_SIZE];
+} DviCharNameMap;
+
+DviCharNameMap		*DviFindMap (char *);
+void			DviRegisterMap (DviCharNameMap *);
+#ifdef NOTDEF
+char			*DviCharName (DviCharNameMap *, int, int);
+#else
+#define DviCharName(map,index,synonym)	((map)->dvi_names[index][synonym])
+#endif
+int			DviCharIndex (DviCharNameMap *, const char *);