path

Documentation

Overview

package path implements utilities for resolving paths within ipfs.

Index

• type Resolver
  • func (s *Resolver) ResolveLinks(ndd *merkledag.Node, names []string) (nd *merkledag.Node, err error)
  • func (s *Resolver) ResolvePath(fpath string) (*merkledag.Node, error)

Types

type Resolver

type Resolver struct {
	DAG merkledag.DAGService
}

Resolver provides path resolution to IPFS It has a pointer to a DAGService, which is uses to resolve nodes.

func (*Resolver) ResolveLinks

func (s *Resolver) ResolveLinks(ndd *merkledag.Node, names []string) (
	nd *merkledag.Node, err error)

ResolveLinks iteratively resolves names by walking the link hierarchy. Every node is fetched from the DAGService, resolving the next name. Returns the last node found.

ResolveLinks(nd, []string{"foo", "bar", "baz"}) would retrieve "baz" in ("bar" in ("foo" in nd.Links).Links).Links

func (*Resolver) ResolvePath

func (s *Resolver) ResolvePath(fpath string) (*merkledag.Node, error)

ResolvePath fetches the node for given path. It uses the first path component as a hash (key) of the first node, then resolves all other components walking the links, with ResolveLinks.