109 lines
3.2 KiB
Go
109 lines
3.2 KiB
Go
// Copyright © 2014 Steve Francia <spf@spf13.com>.
|
|
// Copyright 2013 tsuru 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 provides types and methods for interacting with the filesystem,
|
|
// as an abstraction layer.
|
|
|
|
// Afero also provides a few implementations that are mostly interoperable. One that
|
|
// uses the operating system filesystem, one that uses memory to store files
|
|
// (cross platform) and an interface that should be implemented if you want to
|
|
// provide your own filesystem.
|
|
|
|
package afero
|
|
|
|
import (
|
|
"errors"
|
|
"io"
|
|
"os"
|
|
"time"
|
|
)
|
|
|
|
type Afero struct {
|
|
Fs
|
|
}
|
|
|
|
// File represents a file in the filesystem.
|
|
type File interface {
|
|
io.Closer
|
|
io.Reader
|
|
io.ReaderAt
|
|
io.Seeker
|
|
io.Writer
|
|
io.WriterAt
|
|
|
|
Name() string
|
|
Readdir(count int) ([]os.FileInfo, error)
|
|
Readdirnames(n int) ([]string, error)
|
|
Stat() (os.FileInfo, error)
|
|
Sync() error
|
|
Truncate(size int64) error
|
|
WriteString(s string) (ret int, err error)
|
|
}
|
|
|
|
// Fs is the filesystem interface.
|
|
//
|
|
// Any simulated or real filesystem should implement this interface.
|
|
type Fs interface {
|
|
// Create creates a file in the filesystem, returning the file and an
|
|
// error, if any happens.
|
|
Create(name string) (File, error)
|
|
|
|
// Mkdir creates a directory in the filesystem, return an error if any
|
|
// happens.
|
|
Mkdir(name string, perm os.FileMode) error
|
|
|
|
// MkdirAll creates a directory path and all parents that does not exist
|
|
// yet.
|
|
MkdirAll(path string, perm os.FileMode) error
|
|
|
|
// Open opens a file, returning it or an error, if any happens.
|
|
Open(name string) (File, error)
|
|
|
|
// OpenFile opens a file using the given flags and the given mode.
|
|
OpenFile(name string, flag int, perm os.FileMode) (File, error)
|
|
|
|
// Remove removes a file identified by name, returning an error, if any
|
|
// happens.
|
|
Remove(name string) error
|
|
|
|
// RemoveAll removes a directory path and any children it contains. It
|
|
// does not fail if the path does not exist (return nil).
|
|
RemoveAll(path string) error
|
|
|
|
// Rename renames a file.
|
|
Rename(oldname, newname string) error
|
|
|
|
// Stat returns a FileInfo describing the named file, or an error, if any
|
|
// happens.
|
|
Stat(name string) (os.FileInfo, error)
|
|
|
|
// The name of this FileSystem
|
|
Name() string
|
|
|
|
//Chmod changes the mode of the named file to mode.
|
|
Chmod(name string, mode os.FileMode) error
|
|
|
|
//Chtimes changes the access and modification times of the named file
|
|
Chtimes(name string, atime time.Time, mtime time.Time) error
|
|
}
|
|
|
|
var (
|
|
ErrFileClosed = errors.New("File is closed")
|
|
ErrOutOfRange = errors.New("Out of range")
|
|
ErrTooLarge = errors.New("Too large")
|
|
ErrFileNotFound = os.ErrNotExist
|
|
ErrFileExists = os.ErrExist
|
|
ErrDestinationExists = os.ErrExist
|
|
)
|