Add MemMappedFile

openVulkanoCpp/IO/MemMappedFile.hpp

@@ -0,0 +1,34 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <filesystem>
+
+namespace OpenVulkano
+{
+	class MemMappedFile
+	{
+		class Internal;
+
+		std::shared_ptr<Internal> m_internal;
+		void* m_data;
+		size_t m_size;
+
+	public:
+		enum FileMode : int { READ_ONLY = 0, WRITE_ONLY, READ_WRITE };
+
+		MemMappedFile(const std::filesystem::path& path, FileMode fileMode = READ_ONLY);
+
+		[[nodiscard]] bool IsOpen() const { return m_data; }
+
+		[[nodiscard]] operator bool() const { return m_data; }
+
+		[[nodiscard]] size_t Size() const { return m_size; }
+
+		[[nodiscard]] void* Data() const { return m_data; }
+	};
+}