util: Adding regex support.
Change-Id: I33d84f4ae9076ff5a9db5232f2955f4be0ed820c
diff --git a/src/util/regex/regex-backref-matcher.cpp b/src/util/regex/regex-backref-matcher.cpp
new file mode 100644
index 0000000..1982623
--- /dev/null
+++ b/src/util/regex/regex-backref-matcher.cpp
@@ -0,0 +1,57 @@
+/* -*- 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 <boost/regex.hpp>
+
+#include "regex-backref-matcher.hpp"
+#include "regex-pattern-list-matcher.hpp"
+
+#include "../logging.hpp"
+
+INIT_LOGGER ("RegexBackrefMatcher");
+
+using namespace std;
+
+namespace ndn
+{
+
+RegexBackrefMatcher::RegexBackrefMatcher(const string expr, ptr_lib::shared_ptr<RegexBackrefManager> backRefManager)
+ : RegexMatcher (expr, EXPR_BACKREF, backRefManager)
+{
+ // _LOG_TRACE ("Enter RegexBackrefMatcher Constructor: ");
+ // compile();
+ // _LOG_TRACE ("Exit RegexBackrefMatcher Constructor: ");
+}
+
+void
+RegexBackrefMatcher::compile()
+{
+ // _LOG_TRACE ("Enter RegexBackrefMatcher::compile()");
+
+ string errMsg = "Error: RegexBackrefMatcher.Compile(): ";
+
+ // _LOG_DEBUG ("m_backRefManager: " << m_backRefManager);
+
+ int lastIndex = m_expr.size() - 1;
+ if('(' == m_expr[0] && ')' == m_expr[lastIndex]){
+ // m_backRefManager->pushRef(this);
+
+ ptr_lib::shared_ptr<RegexMatcher> matcher = ptr_lib::make_shared<RegexPatternListMatcher>(m_expr.substr(1, lastIndex - 1), m_backrefManager);
+ m_matcherList.push_back(matcher);
+
+ }
+ else
+ throw RegexMatcher::Error(errMsg + " Unrecognoized format " + m_expr);
+
+ // _LOG_TRACE ("Exit RegexBackrefMatcher::compile");
+}
+
+}//ndn
+
+
+
+