mirror of https://github.com/spf13/afero.git
89 lines
2.0 KiB
Go
89 lines
2.0 KiB
Go
package afero
|
|
|
|
import (
|
|
"os"
|
|
"time"
|
|
)
|
|
|
|
// An afero Fs with an extra filter
|
|
//
|
|
// The FilterFs is run before the source Fs, any non nil error is returned
|
|
// to the caller without going to the source Fs. If every filter in the
|
|
// chain returns a nil error, the call is sent to the source Fs.
|
|
//
|
|
// see the TestReadonlyRemoveAndRead() in filter_test.go for an example use
|
|
// of filtering (e.g. admins get write access, normal users just readonly)
|
|
type FilterFs interface {
|
|
Fs
|
|
AddFilter(FilterFs)
|
|
SetSource(Fs)
|
|
}
|
|
|
|
type Filter struct {
|
|
source Fs
|
|
}
|
|
|
|
func (f *Filter) SetSource(fs Fs) {
|
|
f.source = fs
|
|
}
|
|
|
|
// create a new FilterFs that implements Fs, argument must be an Fs, not
|
|
// a FilterFs
|
|
func NewFilter(fs Fs) FilterFs {
|
|
return &Filter{source: fs}
|
|
}
|
|
|
|
// prepend a filter in the filter chain
|
|
func (f *Filter) AddFilter(fs FilterFs) {
|
|
fs.SetSource(f.source)
|
|
f.source = fs
|
|
}
|
|
|
|
func (f *Filter) Create(name string) (file File, err error) {
|
|
return f.source.Create(name)
|
|
}
|
|
|
|
func (f *Filter) Mkdir(name string, perm os.FileMode) (error) {
|
|
return f.source.Mkdir(name, perm)
|
|
}
|
|
|
|
func (f *Filter) MkdirAll(path string, perm os.FileMode) (error) {
|
|
return f.source.MkdirAll(path, perm)
|
|
}
|
|
|
|
func (f *Filter) Open(name string) (File, error) {
|
|
return f.source.Open(name)
|
|
}
|
|
|
|
func (f *Filter) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
|
|
return f.source.OpenFile(name, flag, perm)
|
|
}
|
|
|
|
func (f *Filter) Remove(name string) (error) {
|
|
return f.source.Remove(name)
|
|
}
|
|
|
|
func (f *Filter) RemoveAll(path string) (error) {
|
|
return f.source.RemoveAll(path)
|
|
}
|
|
|
|
func (f *Filter) Rename(oldname, newname string) (error) {
|
|
return f.source.Rename(oldname, newname)
|
|
}
|
|
|
|
func (f *Filter) Stat(name string) (os.FileInfo, error) {
|
|
return f.source.Stat(name)
|
|
}
|
|
|
|
func (f *Filter) Name() string {
|
|
return f.source.Name()
|
|
}
|
|
|
|
func (f *Filter) Chmod(name string, mode os.FileMode) (error) {
|
|
return f.source.Chmod(name, mode)
|
|
}
|
|
|
|
func (f *Filter) Chtimes(name string, atime, mtime time.Time) (error) {
|
|
return f.source.Chtimes(name, atime, mtime)
|
|
}
|