func addFile(n *core.IpfsNode, file cmds.File, added *AddOutput) (*dag.Node, error) {
if file.IsDirectory() {
return addDir(n, file, added)
}
dns, err := add(n, []io.Reader{file})
if err != nil {
return nil, err
}
log.Infof("adding file: %s", file.FileName())
if err := addDagnode(added, file.FileName(), dns[len(dns)-1]); err != nil {
return nil, err
}
return dns[len(dns)-1], nil // last dag node is the file.
}
func addDir(n *core.IpfsNode, dir cmds.File, added *AddOutput) (*dag.Node, error) {
log.Infof("adding directory: %s", dir.FileName())
tree := &dag.Node{Data: ft.FolderPBData()}
for {
file, err := dir.NextFile()
if err != nil && err != io.EOF {
return nil, err
}
if file == nil {
break
}
node, err := addFile(n, file, added)
if err != nil {
return nil, err
}
_, name := path.Split(file.FileName())
err = tree.AddNodeLink(name, node)
if err != nil {
return nil, err
}
}
err := addDagnode(added, dir.FileName(), tree)
if err != nil {
return nil, err
}
err = addNode(n, tree)
if err != nil {
return nil, err
}
return tree, nil
}