// Repeatedly call bucket.ListObjects until there is nothing further to list,
// returning all objects and collapsed runs encountered.
//
// May modify *req.
func ListAll(
ctx context.Context,
bucket gcs.Bucket,
req *gcs.ListObjectsRequest) (
objects []*gcs.Object,
runs []string,
err error) {
for {
// Grab one set of results.
var listing *gcs.Listing
if listing, err = bucket.ListObjects(ctx, req); err != nil {
return
}
// Accumulate the results.
objects = append(objects, listing.Objects...)
runs = append(runs, listing.CollapsedRuns...)
// Are we done?
if listing.ContinuationToken == "" {
break
}
req.ContinuationToken = listing.ContinuationToken
}
return
}
func (b *prefixBucket) ListObjects(
ctx context.Context,
req *gcs.ListObjectsRequest) (l *gcs.Listing, err error) {
// Modify the request and call through.
mReq := new(gcs.ListObjectsRequest)
*mReq = *req
mReq.Prefix = b.prefix + mReq.Prefix
l, err = b.wrapped.ListObjects(ctx, mReq)
// Modify the returned listing.
if l != nil {
for _, o := range l.Objects {
o.Name = b.localName(o.Name)
}
for i, n := range l.CollapsedRuns {
l.CollapsedRuns[i] = strings.TrimPrefix(n, b.prefix)
}
}
return
}