MessagePrinter (Fixes #2)

include/sp/protocol/message/MessageImplOptions.h

@@ -4,7 +4,7 @@ namespace sp {
 namespace option {
 
 // Provide static numeric ID, to facilitate implementation of GetIdImpl()
-template <std::intmax_t TId>
+template <std::uintmax_t TId>
 struct StaticNumIdImpl {};
 
 // Facilitate implementation of DispatchImpl()
@@ -39,10 +39,10 @@ struct MessageImplParsedOptions<> {
 
 
 
-template <std::intmax_t TId, typename... TOptions>
+template <std::uintmax_t TId, typename... TOptions>
 struct MessageImplParsedOptions<option::StaticNumIdImpl<TId>, TOptions...> : public MessageImplParsedOptions<TOptions...> {
 	static const bool HasStaticNumIdImpl = true;
-	static const std::intmax_t MsgId = TId;
+	static const std::uintmax_t MsgId = TId;
 };
 
 template <typename TActual, typename... TOptions>

include/sp/protocol/message/MessagePrinterImpl.h

@@ -0,0 +1,81 @@
+#pragma once
+
+#include <sstream>
+#include <sp/protocol/MessageBase.h>
+
+namespace sp {
+namespace details {
+
+template <typename... TOptions>
+struct IdPrinter {};
+
+template <>
+struct IdPrinter<> {
+	static std::string PrintMessageId() {
+		return "";
+	}
+};
+
+template <typename TOption, typename... TOptions>
+struct IdPrinter<TOption, TOptions...> {
+	static std::string PrintMessageId() {
+		return IdPrinter<TOptions...>::PrintMessageId();
+	}
+};
+
+template <typename... TOptions, std::uintmax_t TId>
+struct IdPrinter<option::StaticNumIdImpl<TId>, TOptions...> {
+	static std::string PrintMessageId() {
+		return "(Id: " + std::to_string(TId) + ")";
+	}
+};
+
+template <typename T>
+std::string PrintData(const T& a_Data) {
+	std::stringstream sStream;
+	sStream << a_Data;
+	return sStream.str();
+}
+
+template <>
+std::string PrintData<char>(const char& a_Data) {
+	return std::to_string(a_Data);
+}
+
+template <>
+std::string PrintData<unsigned char>(const unsigned char& a_Data) {
+	return std::to_string(a_Data);
+}
+
+template <typename... TFields>
+std::string PrintFields(const std::tuple<TFields...>& a_Fields);
+
+template <typename TField, unsigned int IAlignment>
+struct FieldPrinter {
+	static std::string PrintField(const sp::Field<TField, IAlignment>& a_Field) {
+		return GetClassName<TField>() + "=" + PrintData(a_Field.GetValue());
+	}
+};
+
+template <unsigned int IAlignment, typename TContainer, typename... TFields>
+struct FieldPrinter<sp::BitField<TContainer, TFields...>, IAlignment> {
+	static std::string PrintField(const sp::Field<sp::BitField<TContainer, TFields...>, IAlignment>& a_Field) {
+		return "BitField<" + GetClassName<TContainer>() + ">[" + PrintFields(a_Field.GetValue().GetFields()) + "]";
+	}
+};
+
+template <typename... TFields>
+std::string PrintFields(const std::tuple<TFields...>& a_Fields) {
+	std::string concat;
+	TupleForEach(
+		[&concat](const auto& a_Field) {
+			using TField = typename std::decay<decltype(a_Field)>::type;
+			constexpr std::size_t alignment = TField::AlignmentValue;
+			concat += FieldPrinter<typename TField::StorageType, alignment>::PrintField(a_Field) + ", ";
+		},
+		a_Fields);
+	return concat.substr(0, concat.size() - 2);
+}
+
+}  // namespace details
+}  // namespace sp

include/sp/protocol/message/MessagesImpl.h

@@ -81,7 +81,7 @@ class MessageImplFieldsReadBase : public TBase {
 	}
 
 	// reading field in bitfield
-	template <typename TFieldType, typename TField, int IAlignment>
+	template <typename TFieldType, typename TField, std::size_t IAlignment>
 	void ReadField(Field<TField, IAlignment>& field, TFieldType data, std::size_t offset) {
 		static constexpr std::size_t TotalBitCount = sizeof(TFieldType) * 8;
 		// we suppose that the first element is at the highest bits
@@ -118,7 +118,7 @@ class MessageImplFieldsWriteBase : public TBase {
 	}
 
 	// writing field in bitfield
-	template <typename TFieldType, typename TField, int IAlignment>
+	template <typename TFieldType, typename TField, std::size_t IAlignment>
 	void WriteField(const Field<TField, IAlignment>& field, TFieldType& data, std::size_t offset) const {
 		static constexpr std::size_t TotalBitCount = sizeof(TFieldType) * 8;
 		// we suppose that the first element is at the highest bits