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4253f22680
One more step on the path of the great refactoring. Touches rwfolder a little bit since it uses the Lstat from fs as well, but mostly this is just on the scanner as rwfolder is scheduled for a later refactor. There are a couple of usages of fs.DefaultFilesystem that will in the end become a filesystem injected from the top, but that comes later. GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4070 LGTM: AudriusButkevicius, imsodin
79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
// Copyright (C) 2016 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package fs
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import (
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"io"
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"os"
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"path/filepath"
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"time"
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)
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// The Filesystem interface abstracts access to the file system.
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type Filesystem interface {
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Chmod(name string, mode FileMode) error
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Chtimes(name string, atime time.Time, mtime time.Time) error
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Create(name string) (File, error)
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CreateSymlink(name, target string) error
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DirNames(name string) ([]string, error)
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Lstat(name string) (FileInfo, error)
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Mkdir(name string, perm FileMode) error
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Open(name string) (File, error)
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ReadSymlink(name string) (string, error)
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Remove(name string) error
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Rename(oldname, newname string) error
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Stat(name string) (FileInfo, error)
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SymlinksSupported() bool
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Walk(root string, walkFn WalkFunc) error
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}
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// The File interface abstracts access to a regular file, being a somewhat
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// smaller interface than os.File
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type File interface {
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io.Reader
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io.WriterAt
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io.Closer
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Truncate(size int64) error
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Stat() (FileInfo, error)
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}
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// The FileInfo interface is almost the same as os.FileInfo, but with the
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// Sys method removed (as we don't want to expose whatever is underlying)
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// and with a couple of convenience methods added.
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type FileInfo interface {
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// Standard things present in os.FileInfo
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Name() string
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Mode() FileMode
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Size() int64
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ModTime() time.Time
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IsDir() bool
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// Extensions
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IsRegular() bool
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IsSymlink() bool
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}
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// FileMode is similar to os.FileMode
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type FileMode uint32
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// ModePerm is the equivalent of os.ModePerm
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const ModePerm = FileMode(os.ModePerm)
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// DefaultFilesystem is the fallback to use when nothing explicitly has
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// been passed.
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var DefaultFilesystem Filesystem = NewBasicFilesystem()
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// SkipDir is used as a return value from WalkFuncs to indicate that
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// the directory named in the call is to be skipped. It is not returned
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// as an error by any function.
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var SkipDir = filepath.SkipDir
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// IsExist is the equivalent of os.IsExist
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var IsExist = os.IsExist
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// IsNotExist is the equivalent of os.IsNotExist
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var IsNotExist = os.IsNotExist
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