1 files changed, 25 insertions, 18 deletions

diff --git a/src/filesystem/file.h b/src/filesystem/file.h
index ba392de..37ac8b4 100644
--- a/src/filesystem/file.h
+++ b/src/filesystem/file.h
@@ -9,34 +9,41 @@
 
 // C++ headers
 #include <string>
-#include <fstream>
 
 namespace filesystem {
 
-/// a class to open data files
-class File : public std::ifstream {
+/**
+ * @brief an abstract interface to handle file access
+ */
+class File
+{
 public:
 	File();
 	virtual ~File();
 
-	/// open the file for reading
-	virtual void open(const char * filename, std::ios_base::openmode mode = std::ios_base::in);
+	/// open file for reading
+	virtual bool open(const char * filename) = 0;
 
-	/// current filename
-	inline std::string name() {
-		return file_name;
-	}
-	
-	/// current full path
-	inline std::string path() {
-		return real_name;
-	}
+	/// close file
+	virtual void close() = 0;
 
-private:
+	/// read bytes 
+	virtual size_t read(void *buffer, size_t count) = 0;
+
+	/// skip bytes
+	virtual void skip(size_t count) = 0;
+
+	/// name of the file in the virtual filesystem
+	inline const std::string name() const { return file_name; }
+
+	/// the path holding the virtual filename
+	inline const std::string path() const { return file_path; }
+
+protected:
 	std::string file_name;
-	std::string real_name;
-}
-; // class File
+
+	std::string file_path;
+};
 
 } // namespace filesystem