first pass at splitting writer logic

src/headerwriter.hpp

@@ -0,0 +1,45 @@
+/* headerwriter.hpp - Copyright (C) 2015-2024 a dinosaur (zlib, see COPYING.txt) */
+
+#ifndef HEADERWRITER_HPP
+#define HEADERWRITER_HPP
+
+#include <cstddef>
+#include <cstdint>
+#include <string>
+#include <string_view>
+#include <span>
+#include <concepts>
+#include <fstream>
+
+template <typename T>
+concept NumericType = std::integral<T> || std::floating_point<T>;
+
+class HeaderWriter
+{
+	std::ofstream stream;
+	std::string name;
+
+	void WriteGuardStart();
+	void WriteGuardEnd();
+
+public:
+	~HeaderWriter();
+
+	[[nodiscard]] bool Open(const std::string_view path, const std::string_view name);
+
+	void WriteDefine(const std::string_view name, const std::string_view value);
+	void WriteSymbol(const std::string_view name, const std::string_view type, std::size_t count);
+
+	template <NumericType T>
+	void WriteDefine(const std::string_view name, T value)
+	{
+		WriteDefine(name, std::to_string(value));
+	}
+
+	void WriteSize(int width, int height);
+	void WriteCharacterMap(const std::span<uint16_t> charData);
+	void WriteCollision(const std::span<uint8_t> collisionData);
+	void WriteObjects(const std::span<uint32_t> objData);
+};
+
+#endif//HEADERWRITER_HPP