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windows.go
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windows.go
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//go:build windows
// +build windows
package rnotify
import (
"strings"
"github.com/fsnotify/fsnotify"
)
// Watcher watches files and directories, delivering events to a channel.
type Watcher struct {
Events chan fsnotify.Event
Errors chan error
fswatcher *fsnotify.Watcher
ignore map[string]struct{}
}
// NewWatcher builds a new watcher.
func NewWatcher() (*Watcher, error) {
watcher, err := fsnotify.NewWatcher()
if err != nil {
return nil, err
}
watcher.SetRecursive()
w := &Watcher{
fswatcher: watcher,
Events: make(chan fsnotify.Event),
Errors: make(chan error),
ignore: map[string]struct{}{},
}
go w.readEvents()
return w, nil
}
// Add starts watching the directory (recursively).
func (w *Watcher) Add(name string) error {
return w.fswatcher.Add(name)
}
// Close stops watching.
func (w *Watcher) Close() error {
return w.fswatcher.Close()
}
// Ignore specifies directories to ignore.
func (w *Watcher) Ignore(paths []string) {
for _, path := range paths {
w.ignore[path] = struct{}{}
}
}
func (w *Watcher) readEvents() {
for {
select {
case event, ok := <-w.fswatcher.Events:
if ok {
skip := false
for ignorePath := range w.ignore {
if strings.Contains(event.Name, ignorePath) {
skip = true
break
}
}
if !skip {
w.Events <- event
}
}
case err, ok := <-w.fswatcher.Errors:
if ok {
w.Errors <- err
}
}
}
}