Basic working file writing

src/common/utils/file_handle.hpp

@@ -0,0 +1,74 @@
+#pragma once
+
+#include <cstdio>
+#include <type_traits>
+
+namespace utils
+{
+	class file_handle
+	{
+	public:
+		file_handle() = default;
+
+		file_handle(FILE* file)
+			: file_(file)
+		{
+		}
+
+		~file_handle()
+		{
+			this->release();
+		}
+
+		file_handle(const file_handle&) = delete;
+		file_handle& operator=(const file_handle&) = delete;
+
+		file_handle(file_handle&& obj) noexcept
+			: file_handle()
+		{
+			this->operator=(std::move(obj));
+		}
+
+		file_handle& operator=(file_handle&& obj) noexcept
+		{
+			if (this != &obj)
+			{
+				this->release();
+				this->file_ = obj.file_;
+				obj.file_ = {};
+			}
+
+			return *this;
+		}
+
+		file_handle& operator=(FILE* file) noexcept
+		{
+			this->release();
+			this->file_ = file;
+
+			return *this;
+		}
+
+		[[nodiscard]] operator bool() const
+		{
+			return this->file_;
+		}
+
+		[[nodiscard]] operator FILE*() const
+		{
+			return this->file_;
+		}
+
+	private:
+		FILE* file_{};
+
+		void release()
+		{
+			if (this->file_)
+			{
+				(void)fclose(this->file_);
+				this->file_ = {};
+			}
+		}
+	};
+}