util: Adding regex support.
Change-Id: I33d84f4ae9076ff5a9db5232f2955f4be0ed820c
diff --git a/src/util/regex/regex-backref-manager.cpp b/src/util/regex/regex-backref-manager.cpp
new file mode 100644
index 0000000..ed17250
--- /dev/null
+++ b/src/util/regex/regex-backref-manager.cpp
@@ -0,0 +1,29 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "regex-backref-manager.hpp"
+
+namespace ndn
+{
+
+RegexBackrefManager::~RegexBackrefManager()
+{ m_backRefs.clear(); }
+
+int
+RegexBackrefManager::pushRef(ptr_lib::shared_ptr<RegexMatcher> matcher)
+{
+ int last = m_backRefs.size();
+ m_backRefs.push_back(matcher);
+
+ return last;
+}
+
+void
+RegexBackrefManager::popRef()
+{ m_backRefs.pop_back(); }
+
+}//ndn