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xflie.go
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xflie.go
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package xfile
import (
"context"
"github.com/fsnotify/fsnotify"
)
type Operation uint32
const (
Create Operation = 1 << iota
Write
Remove
Rename
Chmod
)
func (op Operation) String() string {
switch op {
case Create:
return "CREATE"
case Write:
return "WRITE"
case Remove:
return "REMOVE"
case Rename:
return "RENAME"
case Chmod:
return "CHMOD"
default:
return "UNKNOWN"
}
}
type XReader interface {
ReadLines(ctx context.Context) chan FileLineGetter
}
type XWatchReader interface {
Watch(fileName string) error
Events(ctx context.Context) chan EventGetter
XReader
}
type EventGetter interface {
FileName() string
Operation() Operation
}
type FileLineGetter interface {
Line() []byte
Error() error
}
type FileLine struct {
line []byte
err error
}
func (fl *FileLine) Line() []byte {
return fl.line
}
func (fl *FileLine) Error() error {
return fl.err
}
type FileEventGetter struct {
evt fsnotify.Event
err error
}
func (f *FileEventGetter) FileName() string {
return f.evt.Name
}
func (f *FileEventGetter) Operation() Operation {
op := Operation(f.evt.Op)
return op
}