func graphToEntry(g *graph.Description, path string, r library.Registrar) (*library.Entry, error) {
entry := &library.Entry{
Executable: path,
Description: g.Properties["name"],
Inports: []library.EntryPort{},
Outports: []library.EntryPort{},
}
for _, e := range g.Inports {
parts := strings.SplitN(e.Private, ".", 2)
rec, err := r.Get(g.Processes[parts[0]].Component)
if err != nil {
return nil, fmt.Errorf("Component %s not found in library", parts[0])
}
port, found := rec.FindInport(strings.ToLower(parts[1]))
if !found {
return nil, fmt.Errorf("Port %s not found in component %s", parts[1], parts[0])
}
port.Name = e.Public
entry.Inports = append(entry.Inports, port)
}
for _, e := range g.Outports {
parts := strings.SplitN(e.Private, ".", 2)
rec, err := r.Get(g.Processes[parts[0]].Component)
if err != nil {
return nil, fmt.Errorf("Component %s not found in library", parts[0])
}
port, found := rec.FindOutport(strings.ToLower(parts[1]))
if !found {
return nil, fmt.Errorf("Port %s not found in component %s", parts[1], parts[0])
}
port.Name = e.Public
entry.Outports = append(entry.Outports, port)
}
return entry, nil
}
func addFileToLibrary(c *cli.Context, r library.Registrar, file string, name string) error {
var entry *library.Entry
if strings.HasSuffix(file, ".fbp") {
// adding a compsite component (subgraph) in .fbp format
data, err := ioutil.ReadFile(file)
if err != nil {
return err
}
g, err := graph.ParseFBP(data)
if err != nil {
return err
}
if entry, err = graphToEntry(g, file, r); err != nil {
return err
}
entry.Elementary = false
} else if strings.HasSuffix(file, ".json") {
// adding a compsite component (subgraph) in .json format
data, err := ioutil.ReadFile(file)
if err != nil {
return err
}
g, err := graph.ParseJSON(data)
if err != nil {
return err
}
if entry, err = graphToEntry(g, file, r); err != nil {
return err
}
entry.Elementary = false
} else {
// adding an elementary component
c := exec.Command(file, "--json")
out, err := c.Output()
if err != nil {
return fmt.Errorf("Cannot register component %s: %s\n", name, err.Error())
}
if err = json.Unmarshal(out, &entry); err != nil {
return err
}
entry.Elementary = true
}
if len(entry.Inports) == 0 && len(entry.Outports) == 0 {
return fmt.Errorf("Cannot register component %s: inports and outports are empty", name)
}
entry.Name = name
entry.Executable = file
if r.Exists(name) && !c.Bool("force") {
fmt.Printf("WARNING \"%s\" already exists and --force is not provided. Ignoring this entry", name)
fmt.Println("")
} else {
r.Add(*entry)
fmt.Printf("Added \"%s\"", name)
fmt.Println("")
}
return nil
}