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package yaml
import "context"
type (
ctxMergeKey struct{}
ctxAnchorKey struct{}
)
func withMerge(ctx context.Context) context.Context {
return context.WithValue(ctx, ctxMergeKey{}, true)
}
func isMerge(ctx context.Context) bool {
v, ok := ctx.Value(ctxMergeKey{}).(bool)
if !ok {
return false
}
return v
}
func withAnchor(ctx context.Context, name string) context.Context {
anchorMap := getAnchorMap(ctx)
if anchorMap == nil {
anchorMap = make(map[string]struct{})
}
anchorMap[name] = struct{}{}
return context.WithValue(ctx, ctxAnchorKey{}, anchorMap)
}
func getAnchorMap(ctx context.Context) map[string]struct{} {
v, ok := ctx.Value(ctxAnchorKey{}).(map[string]struct{})
if !ok {
return nil
}
return v
}
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