remove protobuf dependency
Change-Id: I10bf90ba940bbde27d91df58056f4f558843f697
diff --git a/src/endorse-extension.cpp b/src/endorse-extension.cpp
new file mode 100644
index 0000000..ac862ac
--- /dev/null
+++ b/src/endorse-extension.cpp
@@ -0,0 +1,116 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *
+ * BSD license, See the LICENSE file for more information
+ *
+ * Author: Qiuhan Ding <qiuhanding@cs.ucla.edu>
+ */
+
+#include "endorse-extension.hpp"
+
+namespace chronochat {
+
+BOOST_CONCEPT_ASSERT((ndn::WireEncodable<EndorseExtension>));
+BOOST_CONCEPT_ASSERT((ndn::WireDecodable<EndorseExtension>));
+
+EndorseExtension::EndorseExtension()
+{
+}
+
+EndorseExtension::EndorseExtension(const Block& endorseWire)
+{
+ this->wireDecode(endorseWire);
+}
+
+template<bool T>
+size_t
+EndorseExtension::wireEncode(ndn::EncodingImpl<T>& block) const
+{
+ size_t totalLength = 0;
+
+ // EndorseExtension := ENDORSE-EXTENSION-TYPE TLV-LENGTH
+ // EntryData+
+ //
+ // EntryData := ENTRYDATA-TYPE TLV-LENGTH
+ // String
+ //
+
+ // EntryData
+ for (std::list<std::string>::const_reverse_iterator it = m_entries.rbegin();
+ it != m_entries.rend(); it++) {
+ const uint8_t *entryWire = reinterpret_cast<const uint8_t*>(it->c_str());
+ totalLength += block.prependByteArrayBlock(tlv::EntryData, entryWire, it->length());
+ }
+
+ // EndorseExtension
+ totalLength += block.prependVarNumber(totalLength);
+ totalLength += block.prependVarNumber(tlv::EndorseExtension);
+
+ return totalLength;
+}
+
+const Block&
+EndorseExtension::wireEncode() const
+{
+ ndn::EncodingEstimator estimator;
+ size_t estimatedSize = wireEncode(estimator);
+
+ ndn::EncodingBuffer buffer(estimatedSize, 0);
+ wireEncode(buffer);
+
+ m_wire = buffer.block();
+ m_wire.parse();
+
+ return m_wire;
+}
+
+void
+EndorseExtension::wireDecode(const Block& endorseWire)
+{
+ m_wire = endorseWire;
+ m_wire.parse();
+
+ // EndorseExtension := ENDORSE-EXTENSION-TYPE TLV-LENGTH
+ // EntryData+
+ //
+ // EntryData := ENTRYDATA-TYPE TLV-LENGTH
+ // String
+ //
+
+ if (m_wire.type() != tlv::EndorseExtension)
+ throw Error("Unexpected TLV number when decoding endorse extension packet");
+
+ // EntryData
+ Block::element_const_iterator i = m_wire.elements_begin();
+ if (i == m_wire.elements_end())
+ throw Error("Missing Entry Data");
+ if (i->type() != tlv::EntryData)
+ throw Error("Expect Entry Data but get TLV Type " + std::to_string(i->type()));
+
+ while (i != m_wire.elements_end() && i->type() == tlv::EntryData) {
+ m_entries.push_back(std::string(reinterpret_cast<const char* >(i->value()),
+ i->value_size()));
+ ++i;
+ }
+
+ if (i != m_wire.elements_end()) {
+ throw Error("Unexpected element");
+ }
+}
+
+void
+EndorseExtension::addEntry(const std::string& entry)
+{
+ if (find(m_entries.begin(), m_entries.end(), entry) == m_entries.end()) {
+ m_entries.push_back(entry);
+ }
+}
+
+void
+EndorseExtension::removeEntry(const std::string& entry)
+{
+ m_entries.remove(entry);
+}
+
+} // namespace chronochat