Initial version

example/include/process/filesystem.hpp

@@ -0,0 +1,28 @@
+#ifndef PROCESS_FILESYSTEM_HPP
+#define PROCESS_FILESYSTEM_HPP
+
+#include <fstream>
+#include <memory>
+
+namespace process {
+class Filesystem {
+public:
+    Filesystem() = default;
+
+    Filesystem(const Filesystem&) = default;
+
+    virtual ~Filesystem() noexcept = default;
+
+    Filesystem& operator=(const Filesystem&) & = default;
+
+    Filesystem& operator=(Filesystem&&) & = default;
+
+    Filesystem(Filesystem&&) = default;
+
+    [[nodiscard]] virtual std::shared_ptr<std::istream> open_read(const std::string& path) const;
+
+    [[nodiscard]] virtual uint32_t get_folder_size(const std::string& path) const;
+};
+}
+
+#endif