vfs.h

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#ifndef MAXOS_FILESYSTEM_VFS_H
#define MAXOS_FILESYSTEM_VFS_H
 
#include <common/map.h>
#include <common/pair.h>
#include <filesystem/filesystem.h>
 
 
namespace MaxOS::filesystem {
 
    class VirtualFileSystem {
 
        private:
            common::Map<FileSystem*, string> filesystems;
            inline static VirtualFileSystem* s_current_file_system = nullptr;
 
        public:
            VirtualFileSystem();
            ~VirtualFileSystem();
 
            static VirtualFileSystem* current_file_system();
 
            void mount_filesystem(FileSystem* filesystem);
            void mount_filesystem(FileSystem* filesystem, const string& mount_point);
            void unmount_filesystem(FileSystem* filesystem);
            void unmount_filesystem(const string& mount_point);
            void unmount_all();
 
            Directory* root_directory();
            FileSystem* root_filesystem();
 
            FileSystem* get_filesystem(const string& mount_point);
            FileSystem* find_filesystem(string path);
            string get_relative_path(FileSystem* filesystem, string path);
 
            Directory* open_directory(const string& path);
            static Directory* open_directory(Directory* parent, const string& name);
 
            Directory* create_directory(string path);
            static Directory* create_directory(Directory* parent, const string& name);
 
            void delete_directory(string path);
            static void delete_directory(Directory* parent, const string& name);
            static void delete_directory(Directory* parent, Directory* directory);
 
            File* create_file(const string& path);
            static File* create_file(Directory* parent, const string& name);
 
            File* open_file(const string& path, size_t offset = 0);
            static File* open_file(Directory* parent, const string& name, size_t offset = 0);
 
            void delete_file(const string& path);
            static void delete_file(Directory* parent, const string& name);
    };
}
 
 
#endif //MAXOS_FILESYSTEM_VFS_H