feat: add streams

include/sp/common/GenericHandler.h

@@ -0,0 +1,139 @@
+#pragma once
+
+#include <tuple>
+
+namespace sp
+{
+    // This class is inspired by https://arobenko.gitbooks.io/comms-protocols-cpp/content/
+
+    // TCommon is common interface class for all the messages
+    // TAll is all the message types, that need to be handled, bundled in std::tuple
+    template <typename TAll>
+    class GenericHandler;
+
+    // Big boy to process packets 20 by 20, preventing needlessly copying vtable many times at each inheritance stage
+    template <typename T1,  typename T2,  typename T3, typename T4,  typename T5,
+         typename T6,  typename T7,  typename T8, typename T9,  typename T10,
+        typename T11, typename T12, typename T13, typename T14, typename T15,
+        typename T16, typename T17, typename T18, typename T19, typename T20,
+        typename... TRest>
+    class GenericHandler<std::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T11, T13, T14, T15, T16, T17, T18, T19, T20, TRest...> > : public GenericHandler<std::tuple<TRest...> >
+    {
+        using Base = GenericHandler<std::tuple<TRest...> >;
+    public:
+        using Base::Handle; // Don't hide all Handle() functions from base classes
+        virtual void Handle(const T1& msg)  {}
+        virtual void Handle(const T2& msg)  {}
+        virtual void Handle(const T3& msg)  {}
+        virtual void Handle(const T4& msg)  {}
+        virtual void Handle(const T5& msg)  {}
+        virtual void Handle(const T6& msg)  {}
+        virtual void Handle(const T7& msg)  {}
+        virtual void Handle(const T8& msg)  {}
+        virtual void Handle(const T9& msg)  {}
+        virtual void Handle(const T10& msg) {}
+        virtual void Handle(const T11& msg) {}
+        virtual void Handle(const T12& msg) {}
+        virtual void Handle(const T13& msg) {}
+        virtual void Handle(const T14& msg) {}
+        virtual void Handle(const T15& msg) {}
+        virtual void Handle(const T16& msg) {}
+        virtual void Handle(const T17& msg) {}
+        virtual void Handle(const T18& msg) {}
+        virtual void Handle(const T19& msg) {}
+        virtual void Handle(const T20& msg) {}
+    };
+
+    // 10 by 10
+    template <typename T1, typename T2, typename T3, typename T4, typename T5,
+        typename T6, typename T7, typename T8, typename T9, typename T10,
+        typename... TRest>
+    class GenericHandler<std::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TRest...> > : public GenericHandler<std::tuple<TRest...> >
+    {
+        using Base = GenericHandler<std::tuple<TRest...> >;
+    public:
+        using Base::Handle; // Don't hide all Handle() functions from base classes
+        virtual void Handle(const T1& msg)  {}
+        virtual void Handle(const T2& msg)  {}
+        virtual void Handle(const T3& msg)  {}
+        virtual void Handle(const T4& msg)  {}
+        virtual void Handle(const T5& msg)  {}
+        virtual void Handle(const T6& msg)  {}
+        virtual void Handle(const T7& msg)  {}
+        virtual void Handle(const T8& msg)  {}
+        virtual void Handle(const T9& msg)  {}
+        virtual void Handle(const T10& msg) {}
+    };
+
+    // 5 by 5
+    template <
+        typename T1, typename T2, typename T3, typename T4, typename T5,
+        typename... TRest>
+    class GenericHandler<std::tuple<T1, T2, T3, T4, T5, TRest...> > : public GenericHandler<std::tuple<TRest...> >
+    {
+        using Base = GenericHandler<std::tuple<TRest...> >;
+    public:
+        using Base::Handle; // Don't hide all Handle() functions from base classes
+        virtual void Handle(const T1& msg) {}
+        virtual void Handle(const T2& msg) {}
+        virtual void Handle(const T3& msg) {}
+        virtual void Handle(const T4& msg) {}
+        virtual void Handle(const T5& msg) {}
+    };
+
+    // Deal with rest with 4 types
+    template <typename T1, typename T2, typename T3, typename T4>
+    class GenericHandler<std::tuple<T1, T2, T3, T4> >
+    {
+    public:
+        virtual ~GenericHandler() {}
+        virtual void Handle(const T1& msg) {}
+        virtual void Handle(const T2& msg) {}
+        virtual void Handle(const T3& msg) {}
+        virtual void Handle(const T4& msg) {}
+        // virtual void Handle(const TCommon&) {} //Nothing to do
+    };
+
+    // Deal with rest with 3 types
+    template < typename T1, typename T2, typename T3>
+    class GenericHandler<std::tuple<T1, T2, T3> >
+    {
+    public:
+        virtual ~GenericHandler() {}
+        virtual void Handle(const T1& msg) {}
+        virtual void Handle(const T2& msg) {}
+        virtual void Handle(const T3& msg) {}
+        // virtual void Handle(const TCommon&) {} //Nothing to do
+    };
+
+    // Deal with rest with 2 types
+    template <typename T1, typename T2>
+    class GenericHandler<std::tuple<T1, T2> >
+    {
+    public:
+        virtual ~GenericHandler() {}
+        virtual void Handle(const T1& msg) {}
+        virtual void Handle(const T2& msg) {}
+        // virtual void Handle(const TCommon&) {} //Nothing to do
+    };
+
+    // Deal with rest with 1 type
+    template <typename T1>
+    class GenericHandler<std::tuple<T1> >
+    {
+    public:
+        virtual ~GenericHandler() {}
+        virtual void Handle(const T1& msg) {}
+        // virtual void Handle(const TCommon&) {} //Nothing to do
+    };
+
+    // Deal with rest with 0 type
+    template <>
+    class GenericHandler<std::tuple<> >
+    {
+    public:
+        virtual ~GenericHandler() {}
+        // virtual void Handle(const TCommon&) {} //Nothing to do
+    };
+
+} // sp

include/sp/common/Reflection.h

@@ -1,60 +0,0 @@
-#pragma once
-
-#include <cxxabi.h>
-#include <string>
-
-namespace sp {
-
-template <typename T>
-std::string GetBasicClassName(const T& a_Value) {
-	int status;
-	char* demangled = abi::__cxa_demangle(typeid(a_Value).name(), 0, 0, &status);
-	if (status != 0)
-		return "";
-	return std::string(demangled);
-}
-
-template <typename T>
-std::string GetBasicClassName() {
-	int status;
-	char* demangled = abi::__cxa_demangle(typeid(T).name(), 0, 0, &status);
-	if (status != 0)
-		return "";
-	return std::string(demangled);
-}
-
-template <typename T>
-struct Reflector {
-	static std::string GetClassName() {
-		return GetBasicClassName<T>();
-	}
-};
-
-template <>
-struct Reflector<std::string> {
-	static std::string GetClassName() {
-		return "std::string";
-	}
-};
-
-template <typename K, typename V>
-struct Reflector<std::map<K, V>> {
-	static std::string GetClassName();
-};
-
-template <typename T>
-struct Reflector<std::vector<T>> {
-	static std::string GetClassName();
-};
-
-template <typename T>
-std::string Reflector<std::vector<T>>::GetClassName() {
-	return "std::vector<" + Reflector<T>::GetClassName() + ">";
-}
-
-template <typename K, typename V>
-std::string Reflector<std::map<K, V>>::GetClassName() {
-	return "std::map<" + Reflector<K>::GetClassName() + ", " + Reflector<V>::GetClassName() + ">";
-}
-
-}  // namespace sp

include/sp/common/VarInt.h

@@ -7,12 +7,14 @@
 
 #include <cstddef>
 #include <cstdint>
-#include <ostream>
+#include <functional>
 
 namespace sp {
 
 class DataBuffer;
 
+using ReadFunc = std::function<void(std::uint8_t&)>;
+
 /**
  * \class VarInt
  * \brief Variable-length format such that smaller numbers use fewer bytes.
@@ -57,6 +59,7 @@ class VarInt {
 	 */
 	friend DataBuffer& operator>>(DataBuffer& in, VarInt& var);
 
+	void Read(const ReadFunc& read);
 };
 
 }  // namespace sp