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add BasePathFile to fix File.Name() on BasePathFS

This commit is contained in:
Albert Z Wang 2017-11-29 00:11:19 -05:00
parent 8d919cbe7e
commit 9034a12a59
1 changed files with 25 additions and 3 deletions
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28
basepath.go
View File

@ -22,6 +22,16 @@ type BasePathFs struct {
path string
}
type BasePathFile struct {
File
path string
}
func (f *BasePathFile) Name() string {
sourcename := f.File.Name()
return strings.TrimPrefix(sourcename, f.path)
}
func NewBasePathFs(source Fs, path string) Fs {
return &BasePathFs{source: source, path: path}
}
@ -111,14 +121,22 @@ func (b *BasePathFs) OpenFile(name string, flag int, mode os.FileMode) (f File,
if name, err = b.RealPath(name); err != nil {
return nil, &os.PathError{Op: "openfile", Path: name, Err: err}
}
return b.source.OpenFile(name, flag, mode)
sourcef, err := b.source.OpenFile(name, flag, mode)
if err != nil {
return nil, err
}
return &BasePathFile{sourcef, b.path}, nil
}
func (b *BasePathFs) Open(name string) (f File, err error) {
if name, err = b.RealPath(name); err != nil {
return nil, &os.PathError{Op: "open", Path: name, Err: err}
}
return b.source.Open(name)
sourcef, err := b.source.Open(name)
if err != nil {
return nil, err
}
return &BasePathFile{File: sourcef, path: b.path}, nil
}
func (b *BasePathFs) Mkdir(name string, mode os.FileMode) (err error) {
@ -139,7 +157,11 @@ func (b *BasePathFs) Create(name string) (f File, err error) {
if name, err = b.RealPath(name); err != nil {
return nil, &os.PathError{Op: "create", Path: name, Err: err}
}
return b.source.Create(name)
sourcef, err := b.source.Create(name)
if err != nil {
return nil, err
}
return &BasePathFile{File: sourcef, path: b.path}, nil
}
// vim: ts=4 sw=4 noexpandtab nolist syn=go