Move VectorDispatcher to be the only dispatcher

src/packet_analysis/Dispatcher.h

@@ -0,0 +1,59 @@
+// See the file "COPYING" in the main distribution directory for copyright.
+
+#pragma once
+
+#include <utility>
+#include <vector>
+#include "Analyzer.h"
+
+namespace zeek::packet_analysis {
+
+class Dispatcher; // Forward decl for Value
+using DispatcherPtr = std::shared_ptr<Dispatcher>;
+
+using register_pair = std::pair<identifier_t, std::pair<AnalyzerPtr, DispatcherPtr>>;
+using register_map = std::map<identifier_t, std::pair<AnalyzerPtr, DispatcherPtr>>;
+
+class Value {
+public:
+	AnalyzerPtr analyzer;
+	DispatcherPtr dispatcher;
+
+	Value(AnalyzerPtr analyzer, DispatcherPtr dispatcher)
+		: analyzer(analyzer), dispatcher(dispatcher)
+		{
+		}
+};
+
+using ValuePtr = std::shared_ptr<Value>;
+
+class Dispatcher {
+public:
+	Dispatcher()
+		: table(std::vector<ValuePtr>(1, nullptr))
+		{ }
+
+	~Dispatcher();
+
+	bool Register(identifier_t identifier, AnalyzerPtr analyzer, DispatcherPtr dispatcher);
+	void Register(const register_map& data);
+
+	ValuePtr Lookup(identifier_t identifier) const;
+
+	size_t Size() const;
+	void Clear();
+	void DumpDebug() const;
+
+private:
+	identifier_t lowest_identifier = 0;
+	std::vector<ValuePtr> table;
+
+	void FreeValues();
+
+	inline identifier_t GetHighestIdentifier() const
+		{
+		return lowest_identifier + table.size() - 1;
+		}
+};
+
+}