Parse Clutter Filter Map (Message 15)

wxdata/source/scwx/wsr88d/rda/message.cpp

@@ -0,0 +1,72 @@
+#include <scwx/wsr88d/rda/message.hpp>
+
+#include <istream>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rda
+{
+
+static const std::string logPrefix_ = "[scwx::wsr88d::rda::message] ";
+
+class MessageImpl
+{
+public:
+   explicit MessageImpl() : header_() {};
+   ~MessageImpl() = default;
+
+   MessageHeader header_;
+};
+
+Message::Message() : p(std::make_unique<MessageImpl>()) {}
+Message::~Message() = default;
+
+Message::Message(Message&&) noexcept = default;
+Message& Message::operator=(Message&&) noexcept = default;
+
+bool Message::ValidateSize(std::istream& is, size_t bytesRead) const
+{
+   bool   messageValid = true;
+   size_t dataSize     = header().message_size() * 2 - header().SIZE;
+
+   if (bytesRead != dataSize)
+   {
+      is.seekg(static_cast<std::streamoff>(dataSize) -
+                  static_cast<std::streamoff>(bytesRead),
+               std::ios_base::cur);
+
+      if (bytesRead < dataSize)
+      {
+         BOOST_LOG_TRIVIAL(trace)
+            << logPrefix_ << "Message contents smaller than size: " << bytesRead
+            << " < " << dataSize << " bytes";
+      }
+      if (bytesRead > dataSize)
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_ << "Message contents larger than size: " << bytesRead
+            << " > " << dataSize << " bytes";
+         messageValid = false;
+      }
+   }
+
+   return messageValid;
+}
+
+const MessageHeader& Message::header() const
+{
+   return p->header_;
+}
+
+void Message::set_header(MessageHeader&& header)
+{
+   p->header_ = std::move(header);
+}
+
+} // namespace rda
+} // namespace wsr88d
+} // namespace scwx