filesystem

type Asset interface {
	File
	Metadata() *Metadata
}

type Backend interface {
	Mkdir(name string, perm os.FileMode) error
	MkdirAll(name string, perm os.FileMode) error
	OpenFile(name string, flag int, perm os.FileMode) (File, error)
	RemoveAll(name string) error
	Rename(oldName, newName string) error
	Stat(name string) (os.FileInfo, error)
}

type BaseFile struct {
	File
	// contains filtered or unexported fields
}

type BaseFileSystem struct {
	// contains filtered or unexported fields
}

type File interface {
	io.ReadWriteCloser
	io.ReaderAt
	io.Seeker
	io.WriterAt

	Name() string
	Readdir(count int) ([]os.FileInfo, error)
	Readdirnames(n int) ([]string, error)
	Stat() (os.FileInfo, error)
	Sync() error
	Truncate(size int64) error
	WriteString(s string) (ret int, err error)
}

type FileInfo struct {
	os.FileInfo
	*Metadata
}

type FileSystem interface {
	Backend
	OpenAssetByID(id ID, flag int, perm os.FileMode) (File, error)
	OpenAsset(name string, flag int, perm os.FileMode) (Asset, error)
	StatByID(id ID) (os.FileInfo, error)
}

type ID []byte

type Metadata struct {
	ID         ID
	FileID     ID
	Mode       os.FileMode
	Name       string
	Attributes map[string]interface{}
}