traefik/vendor/gopkg.in/fsnotify.v1/fsnotify.go

63 lines
1.4 KiB
Go
Raw Normal View History

2017-02-07 21:33:23 +00:00
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !plan9
// Package fsnotify provides a platform-independent interface for file system notifications.
package fsnotify
import (
"bytes"
"fmt"
)
// Event represents a single file system notification.
type Event struct {
Name string // Relative path to the file or directory.
Op Op // File operation that triggered the event.
}
// Op describes a set of file operations.
type Op uint32
// These are the generalized file operations that can trigger a notification.
const (
Create Op = 1 << iota
Write
Remove
Rename
Chmod
)
func (op Op) String() string {
2017-02-07 21:33:23 +00:00
// Use a buffer for efficient string concatenation
var buffer bytes.Buffer
if op&Create == Create {
2017-02-07 21:33:23 +00:00
buffer.WriteString("|CREATE")
}
if op&Remove == Remove {
2017-02-07 21:33:23 +00:00
buffer.WriteString("|REMOVE")
}
if op&Write == Write {
2017-02-07 21:33:23 +00:00
buffer.WriteString("|WRITE")
}
if op&Rename == Rename {
2017-02-07 21:33:23 +00:00
buffer.WriteString("|RENAME")
}
if op&Chmod == Chmod {
2017-02-07 21:33:23 +00:00
buffer.WriteString("|CHMOD")
}
if buffer.Len() == 0 {
return ""
2017-02-07 21:33:23 +00:00
}
return buffer.String()[1:] // Strip leading pipe
}
2017-02-07 21:33:23 +00:00
// String returns a string representation of the event in the form
// "file: REMOVE|WRITE|..."
func (e Event) String() string {
return fmt.Sprintf("%q: %s", e.Name, e.Op.String())
2017-02-07 21:33:23 +00:00
}