func getObjectFromDoc(doc *pb.Document) (*pb.Object, error) {
root := doc.GetRoot()
if root == nil {
return nil, fmt.Errorf("document '%s' does not have a root", doc.Name)
}
obj := root.GetObject()
if obj == nil {
return nil, fmt.Errorf("root field of document '%s' does not have an object as it's value", doc.Name)
}
return obj, nil
}
// GetFieldFromDocument returns a pointer to field in doc based on the given field path.
func GetFieldFromDocument(doc *pb.Document, fieldpath string) (*pb.Field, error) {
root := doc.GetRoot()
if root == nil {
return nil, fmt.Errorf("root for document '%s' was nil", doc.Name)
}
field, err := ResolveRelativeField(root, fieldpath)
if err != nil {
return nil, fmt.Errorf("could not resolve '%s': %v", fieldpath, err)
}
return field, err
}
