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set.go
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set.go
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package gazelle
import (
BazelLog "aspect.build/cli/pkg/logger"
"github.com/bazelbuild/bazel-gazelle/label"
"github.com/emirpasic/gods/sets/treeset"
)
// A basic set of label.Labels with logging of set modifications.
type LabelSet struct {
from label.Label
labels *treeset.Set
}
func NewLabelSet(from label.Label) *LabelSet {
return &LabelSet{
from: from,
labels: treeset.NewWithStringComparator(),
}
}
func (s *LabelSet) Add(l *label.Label) {
if s.from.Equal(*l) {
BazelLog.Debugf("ignore %q dependency on self", s.from.String())
return
}
// Convert to a relative label for simpler labels in BUILD files
relL := l.Rel(s.from.Repo, s.from.Pkg)
if d := relL.String(); !s.labels.Contains(d) {
BazelLog.Debugf("add %q dependency: %q", s.from.String(), d)
s.labels.Add(d)
}
}
func (s *LabelSet) Empty() bool {
return s.labels.Empty()
}
func (s *LabelSet) Labels() []string {
labels := make([]string, 0, s.labels.Size())
for _, l := range s.labels.Values() {
labels = append(labels, l.(string))
}
return labels
}