courier-unicode: implement bidi get_direction.

1 files changed, 14 insertions, 1 deletions

diff --git a/unicode/unicodecpp.C b/unicode/unicodecpp.C
index 10156a4..babb6bb 100644
--- a/unicode/unicodecpp.C
+++ b/unicode/unicodecpp.C
@@ -1,5 +1,5 @@
 /*
-** Copyright 2011-2020 Double Precision, Inc.
+** Copyright 2011-2021 Double Precision, Inc.
 ** See COPYING for distribution information.
 **
 */
@@ -919,3 +919,16 @@ char32_t unicode::bidi_embed_paragraph_level(const std::u32string &string,
 						  string.size(),
 						  level);
 }
+
+unicode_bidi_direction unicode::bidi_get_direction(const std::u32string &string,
+						   size_t starting_pos,
+						   size_t n)
+{
+	if (starting_pos >= string.size())
+		starting_pos=string.size();
+
+	if (string.size()-starting_pos < n)
+		n=string.size()-starting_pos;
+
+	return unicode_bidi_get_direction(string.c_str()+starting_pos, n);
+}