mirror of
https://github.com/go-gitea/gitea
synced 2024-11-15 22:41:44 +01:00
110 lines
2.8 KiB
Go
Vendored
110 lines
2.8 KiB
Go
Vendored
// Copyright © 2014 Steve Francia <spf@spf13.com>.
|
|
// Copyright 2009 The Go Authors. All rights reserved.
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package afero
|
|
|
|
import (
|
|
"path/filepath"
|
|
"sort"
|
|
"strings"
|
|
)
|
|
|
|
// Glob returns the names of all files matching pattern or nil
|
|
// if there is no matching file. The syntax of patterns is the same
|
|
// as in Match. The pattern may describe hierarchical names such as
|
|
// /usr/*/bin/ed (assuming the Separator is '/').
|
|
//
|
|
// Glob ignores file system errors such as I/O errors reading directories.
|
|
// The only possible returned error is ErrBadPattern, when pattern
|
|
// is malformed.
|
|
//
|
|
// This was adapted from (http://golang.org/pkg/path/filepath) and uses several
|
|
// built-ins from that package.
|
|
func Glob(fs Fs, pattern string) (matches []string, err error) {
|
|
if !hasMeta(pattern) {
|
|
// Lstat not supported by a ll filesystems.
|
|
if _, err = lstatIfPossible(fs, pattern); err != nil {
|
|
return nil, nil
|
|
}
|
|
return []string{pattern}, nil
|
|
}
|
|
|
|
dir, file := filepath.Split(pattern)
|
|
switch dir {
|
|
case "":
|
|
dir = "."
|
|
case string(filepath.Separator):
|
|
// nothing
|
|
default:
|
|
dir = dir[0 : len(dir)-1] // chop off trailing separator
|
|
}
|
|
|
|
if !hasMeta(dir) {
|
|
return glob(fs, dir, file, nil)
|
|
}
|
|
|
|
var m []string
|
|
m, err = Glob(fs, dir)
|
|
if err != nil {
|
|
return
|
|
}
|
|
for _, d := range m {
|
|
matches, err = glob(fs, d, file, matches)
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
// 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 Fs, dir, pattern string, matches []string) (m []string, e error) {
|
|
m = matches
|
|
fi, err := fs.Stat(dir)
|
|
if err != nil {
|
|
return
|
|
}
|
|
if !fi.IsDir() {
|
|
return
|
|
}
|
|
d, err := fs.Open(dir)
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer d.Close()
|
|
|
|
names, _ := d.Readdirnames(-1)
|
|
sort.Strings(names)
|
|
|
|
for _, n := range names {
|
|
matched, err := filepath.Match(pattern, n)
|
|
if err != nil {
|
|
return m, err
|
|
}
|
|
if matched {
|
|
m = append(m, filepath.Join(dir, n))
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
// hasMeta reports whether path contains any of the magic characters
|
|
// recognized by Match.
|
|
func hasMeta(path string) bool {
|
|
// TODO(niemeyer): Should other magic characters be added here?
|
|
return strings.ContainsAny(path, "*?[")
|
|
}
|