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tjp/core/internet/Data.hpp

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+// TJP COPYRIGHT HEADER
+
+#pragma once
+
+#include <tjp/core/string/StringView.h>
+#include <tjp/core/containers/Vector.h>
+#include <tjp/core/containers/Optional.hpp>
+
+namespace tjp::core::internet {
+
+using DataBlock = Vector<char>;
+using DataView = StringView;
+
+struct Data {
+	mutable Optional<DataBlock> block;
+	mutable Optional<String> string;
+	
+	Data()
+	{}
+	
+	Data(DataBlock &&block_) :
+		block(std::move(block_))
+	{}
+	
+	Data(String &&string_) :
+		string(std::move(string_))
+	{}
+	
+	operator String &() const
+	{
+		if (!string.has_value())
+		{
+			if (block.has_value())
+				string = String(block->data(), block->size());
+			else
+				string = String();
+		}
+			
+		return *string;
+	}
+
+	operator DataView () const
+	{
+		if (block.has_value())
+			return StringView(block->data(), block->size());
+
+		if (string.has_value())
+			return *string;
+		
+		return {};
+	} ;
+	
+	const char *data() const
+	{
+		DataView view = *this;
+		return view.data();
+	}
+
+	const char *c_str() const
+	{
+		String &view = *this;
+		return view.c_str();
+	}
+	
+	const auto size() const
+	{
+		DataView view = *this;
+		return view.size();
+	}
+
+	
+};
+
+} // namespace
+