vfsresource.h

Go to the documentation of this file.

 
#ifndef MAXOS_FILESYSTEM_VFSRESOURCE_H
#define MAXOS_FILESYSTEM_VFSRESOURCE_H
 
#include <processes/resource.h>
#include <filesystem/vfs.h>
#include <common/buffer.h>
#include <processes/scheduler.h>
#include <syscore/include/filesystem/file.h>
#include <syscore/include/filesystem/directory.h>
 
namespace MaxOS {
 
    namespace filesystem {
 
        class FileResource final : public processes::Resource{
 
            public:
                FileResource(const string& name, size_t flags, processes::resource_type_t type);
                ~FileResource() final;
 
                File* file; 
 
                int read(void* buffer, size_t size, size_t flags) final;
                int write(const void* buffer, size_t size, size_t flags) final;
 
        };
 
        class DirectoryResource final : public processes::Resource{
 
            private:
 
                void write_entries(const void* buffer, size_t size) const;
                [[nodiscard]] size_t entries_size() const;
 
            public:
 
                DirectoryResource(const string& name, size_t flags, processes::resource_type_t type);
                ~DirectoryResource() final;
 
                Directory* directory; 
 
                int read(void* buffer, size_t size, size_t flags) final;
                int write(const void* buffer, size_t size, size_t flags) final;
 
        };
 
        class VFSResourceRegistry : processes::BaseResourceRegistry{
 
            private:
                VirtualFileSystem* m_vfs;
 
                processes::Resource* open_as_resource(const string& name, Directory* directory);
                processes::Resource* open_as_resource(const string& name, File* file);
 
            public:
 
                explicit VFSResourceRegistry(VirtualFileSystem* vfs);
                ~VFSResourceRegistry();
 
                processes::Resource*    get_resource(const string& name) final;
                processes::Resource*    create_resource(const string& name, size_t flags) final;
 
        };
 
    }
}
 
#endif //MAXOS_FILESYSTEM_VFSRESOURCE_H