9 var _ Lstater = (*ReadOnlyFs)(nil)
11 type ReadOnlyFs struct {
15 func NewReadOnlyFs(source Fs) Fs {
16 return &ReadOnlyFs{source: source}
19 func (r *ReadOnlyFs) ReadDir(name string) ([]os.FileInfo, error) {
20 return ReadDir(r.source, name)
23 func (r *ReadOnlyFs) Chtimes(n string, a, m time.Time) error {
27 func (r *ReadOnlyFs) Chmod(n string, m os.FileMode) error {
31 func (r *ReadOnlyFs) Name() string {
32 return "ReadOnlyFilter"
35 func (r *ReadOnlyFs) Stat(name string) (os.FileInfo, error) {
36 return r.source.Stat(name)
39 func (r *ReadOnlyFs) LstatIfPossible(name string) (os.FileInfo, bool, error) {
40 if lsf, ok := r.source.(Lstater); ok {
41 return lsf.LstatIfPossible(name)
43 fi, err := r.Stat(name)
47 func (r *ReadOnlyFs) Rename(o, n string) error {
51 func (r *ReadOnlyFs) RemoveAll(p string) error {
55 func (r *ReadOnlyFs) Remove(n string) error {
59 func (r *ReadOnlyFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
60 if flag&(os.O_WRONLY|syscall.O_RDWR|os.O_APPEND|os.O_CREATE|os.O_TRUNC) != 0 {
61 return nil, syscall.EPERM
63 return r.source.OpenFile(name, flag, perm)
66 func (r *ReadOnlyFs) Open(n string) (File, error) {
67 return r.source.Open(n)
70 func (r *ReadOnlyFs) Mkdir(n string, p os.FileMode) error {
74 func (r *ReadOnlyFs) MkdirAll(n string, p os.FileMode) error {
78 func (r *ReadOnlyFs) Create(n string) (File, error) {
79 return nil, syscall.EPERM