// glob searches for files matching pattern in the directory dir
// and appends them to matches. If the directory cannot be
// opened, it returns the existing matches. New matches are
// added in lexicographical order.
func glob(fs http.FileSystem, dir, pattern string, matches []string) (m []string, e error) {
m = matches
fi, err := vfsutil.Stat(fs, dir)
if err != nil {
return
}
if !fi.IsDir() {
return
}
fis, err := vfsutil.ReadDir(fs, dir)
if err != nil {
return
}
sort.Sort(byName(fis))
for _, fi := range fis {
n := fi.Name()
matched, err := path.Match(path.Clean(pattern), n)
if err != nil {
return m, err
}
if matched {
m = append(m, path.Join(dir, n))
}
}
return
}
// readDirPaths reads the directory named by dirname and returns
// a sorted list of directory paths.
func readDirPaths(fs http.FileSystem, dirname string) ([]string, error) {
fis, err := vfsutil.ReadDir(fs, dirname)
if err != nil {
return nil, err
}
paths := make([]string, len(fis))
for i := range fis {
paths[i] = pathpkg.Join(dirname, fis[i].Name())
}
sort.Strings(paths)
return paths, nil
}
func (v *godocFS) ReadDir(path string) ([]os.FileInfo, error) {
return vfsutil.ReadDir(v.fs, path)
}