regex: move method definitions to .cpp files
Change-Id: Ifa66c886bd3f920821b0a498f714da24d51b042e
diff --git a/src/util/regex/regex-matcher.cpp b/src/util/regex/regex-matcher.cpp
new file mode 100644
index 0000000..f460f92
--- /dev/null
+++ b/src/util/regex/regex-matcher.cpp
@@ -0,0 +1,80 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2017 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
+ */
+
+#include "regex-matcher.hpp"
+
+namespace ndn {
+
+RegexMatcher::RegexMatcher(const std::string& expr, const RegexExprType& type,
+ shared_ptr<RegexBackrefManager> backrefManager)
+ : m_expr(expr)
+ , m_type(type)
+{
+ if (backrefManager)
+ m_backrefManager = std::move(backrefManager);
+ else
+ m_backrefManager = make_shared<RegexBackrefManager>();
+}
+
+RegexMatcher::~RegexMatcher() = default;
+
+bool
+RegexMatcher::match(const Name& name, size_t offset, size_t len)
+{
+ m_matchResult.clear();
+
+ if (recursiveMatch(0, name, offset, len)) {
+ for (size_t i = offset; i < offset + len; i++)
+ m_matchResult.push_back(name.get(i));
+ return true;
+ }
+
+ return false;
+}
+
+bool
+RegexMatcher::recursiveMatch(size_t matcherNo, const Name& name, size_t offset, size_t len)
+{
+ if (matcherNo >= m_matchers.size())
+ return len == 0;
+
+ ssize_t tried = len;
+ auto matcher = m_matchers[matcherNo];
+
+ while (tried >= 0) {
+ if (matcher->match(name, offset, tried) &&
+ recursiveMatch(matcherNo + 1, name, offset + tried, len - tried))
+ return true;
+ tried--;
+ }
+
+ return false;
+}
+
+std::ostream&
+operator<<(std::ostream& os, const RegexMatcher& rm)
+{
+ return os << rm.getExpr();
+}
+
+} // namespace ndn