From c8641a6de65670b8833992c94c51a586a6434a74 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Sat, 7 Nov 2009 08:32:44 -0500
Subject: Added support for Boost.Regex w/ ICU

This allows for correct searching of UTF-8 encoded strings, such as
lower-case versions of Russian words to find mixed-case words.
---
 src/mask.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/mask.cc')

diff --git a/src/mask.cc b/src/mask.cc
index 135f6669..c1e66ced 100644
--- a/src/mask.cc
+++ b/src/mask.cc
@@ -43,7 +43,11 @@ mask_t::mask_t(const string& pat) : expr()
 
 mask_t& mask_t::operator=(const string& pat)
 {
-  expr.assign(pat.c_str(), regex::perl | regex::icase);
+#if defined(HAVE_BOOST_REGEX_UNICODE)
+  expr = boost::make_u32regex(pat.c_str(), boost::regex::perl | boost::regex::icase);
+#else
+  expr.assign(pat.c_str(), boost::regex::perl | boost::regex::icase);
+#endif
   VERIFY(valid());
   return *this;
 }
-- 
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