table: move PIT iterator to a separate file
This commit only moves code around and renames variables.
There's no functional change.
refs #3164
Change-Id: Icb6b249cc0c07fcfe42f7a6d6987de31285566e7
diff --git a/daemon/table/pit-iterator.cpp b/daemon/table/pit-iterator.cpp
new file mode 100644
index 0000000..0cdb395
--- /dev/null
+++ b/daemon/table/pit-iterator.cpp
@@ -0,0 +1,72 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2016, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "pit-iterator.hpp"
+
+#include <boost/concept/assert.hpp>
+#include <boost/concept_check.hpp>
+#include <type_traits>
+
+namespace nfd {
+namespace pit {
+
+BOOST_CONCEPT_ASSERT((boost::ForwardIterator<Iterator>));
+static_assert(std::is_default_constructible<Iterator>::value,
+ "Iterator must be default-constructible");
+
+Iterator::Iterator()
+ : m_iPitEntry(0)
+{
+}
+
+Iterator::Iterator(const NameTree::const_iterator& ntIt)
+ : m_ntIt(ntIt)
+ , m_iPitEntry(0)
+{
+}
+
+Iterator&
+Iterator::operator++()
+{
+ ++m_iPitEntry;
+ if (m_iPitEntry < m_ntIt->getPitEntries().size()) {
+ return *this;
+ }
+
+ ++m_ntIt;
+ m_iPitEntry = 0;
+ return *this;
+}
+
+Iterator
+Iterator::operator++(int)
+{
+ Iterator copy = *this;
+ this->operator++();
+ return copy;
+}
+
+} // namespace pit
+} // namespace nfd