Golang File.NextFile Examples

Example #1

File: add.go Project: qnib/go-ipfs

func (adder *Adder) addDir(dir files.File) error {
	log.Infof("adding directory: %s", dir.FileName())

	err := mfs.Mkdir(adder.mr, dir.FileName(), true, false)
	if err != nil {
		return err
	}

	for {
		file, err := dir.NextFile()
		if err != nil && err != io.EOF {
			return err
		}
		if file == nil {
			break
		}

		// Skip hidden files when adding recursively, unless Hidden is enabled.
		if files.IsHidden(file) && !adder.Hidden {
			log.Infof("%s is hidden, skipping", file.FileName())
			continue
		}
		err = adder.addFile(file)
		if err != nil {
			return err
		}
	}

	return nil
}

Example #2

File: add.go Project: rdterner/go-ipfs

func addDir(n *core.IpfsNode, dir files.File) (*merkledag.Node, error) {

	tree := &merkledag.Node{Data: unixfs.FolderPBData()}

Loop:
	for {
		file, err := dir.NextFile()
		switch {
		case err != nil && err != io.EOF:
			return nil, err
		case err == io.EOF:
			break Loop
		}

		node, err := addFile(n, file)
		if err != nil {
			return nil, err
		}

		_, name := gopath.Split(file.FileName())

		if err := tree.AddNodeLink(name, node); err != nil {
			return nil, err
		}
	}

	if err := addNode(n, tree); err != nil {
		return nil, err
	}
	return tree, nil
}

Example #3

File: add.go Project: noffle/go-ipfs

func (adder *Adder) addDir(dir files.File) error {
	log.Infof("adding directory: %s", dir.FileName())

	err := mfs.Mkdir(adder.mr, dir.FileName(), true, false)
	if err != nil {
		return err
	}

	for {
		file, err := dir.NextFile()
		if err != nil && err != io.EOF {
			return err
		}
		if file == nil {
			break
		}

		err = adder.addFile(file)
		if _, ok := err.(*hiddenFileError); ok {
			// hidden file error, skip file
			continue
		} else if err != nil {
			return err
		}
	}

	return nil
}

Example #4

File: add.go Project: hebelken/go-ipfs

func (params *adder) addDir(file files.File) (*dag.Node, error) {
	tree := &dag.Node{Data: ft.FolderPBData()}
	log.Infof("adding directory: %s", file.FileName())

	for {
		file, err := file.NextFile()
		if err != nil && err != io.EOF {
			return nil, err
		}
		if file == nil {
			break
		}

		node, err := params.addFile(file)
		if _, ok := err.(*hiddenFileError); ok {
			// hidden file error, set the node to nil for below
			node = nil
		} else if err != nil {
			return nil, err
		}

		if node != nil {
			_, name := path.Split(file.FileName())

			err = tree.AddNodeLink(name, node)
			if err != nil {
				return nil, err
			}
		}
	}

	err := outputDagnode(params.out, file.FileName(), tree)
	if err != nil {
		return nil, err
	}

	k, err := params.node.DAG.Add(tree)
	if err != nil {
		return nil, err
	}

	params.node.Pinning.GetManual().PinWithMode(k, pin.Indirect)

	return tree, nil
}

Example #5

File: add.go Project: avbalu/go-ipfs

func addDir(n *core.IpfsNode, dir files.File, out chan interface{}, progress bool, useTrickle bool) (*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, out, progress, false, useTrickle)
		if err != nil {
			return nil, err
		}

		_, name := path.Split(file.FileName())

		err = tree.AddNodeLink(name, node)
		if err != nil {
			return nil, err
		}
	}

	err := outputDagnode(out, dir.FileName(), tree)
	if err != nil {
		return nil, err
	}

	k, err := n.DAG.Add(tree)
	if err != nil {
		return nil, err
	}

	n.Pinning.GetManual().PinWithMode(k, pin.Indirect)

	return tree, nil
}