summaryrefslogtreecommitdiffstats
path: root/vendor/github.com/kr/fs/filesystem.go
blob: f1c4805fbdbd66a3b34bdb641e3f697a6aeedc99 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
package fs

import (
	"io/ioutil"
	"os"
	"path/filepath"
)

// FileSystem defines the methods of an abstract filesystem.
type FileSystem interface {

	// ReadDir reads the directory named by dirname and returns a
	// list of directory entries.
	ReadDir(dirname string) ([]os.FileInfo, error)

	// Lstat returns a FileInfo describing the named file. If the file is a
	// symbolic link, the returned FileInfo describes the symbolic link. Lstat
	// makes no attempt to follow the link.
	Lstat(name string) (os.FileInfo, error)

	// Join joins any number of path elements into a single path, adding a
	// separator if necessary. The result is Cleaned; in particular, all
	// empty strings are ignored.
	//
	// The separator is FileSystem specific.
	Join(elem ...string) string
}

// fs represents a FileSystem provided by the os package.
type fs struct{}

func (f *fs) ReadDir(dirname string) ([]os.FileInfo, error) { return ioutil.ReadDir(dirname) }

func (f *fs) Lstat(name string) (os.FileInfo, error) { return os.Lstat(name) }

func (f *fs) Join(elem ...string) string { return filepath.Join(elem...) }