func infoFromLibrary(c *cli.Context) {
if len(c.Args()) != 1 {
fmt.Printf("Incorrect Usage. You need to provide a component name as argument!\n\n")
cli.ShowAppHelp(c)
return
}
// read components library file if exists
data, err := ioutil.ReadFile(c.GlobalString("file"))
if err != nil && os.IsExist(err) {
fmt.Printf("Failed to read catalogue file: %s", err.Error())
return
}
if data == nil {
fmt.Println("Library is empty")
return
}
// create JSON library (the only implementation for now)
var db library.JSONLibrary
err = json.Unmarshal(data, &db)
if err != nil {
fmt.Printf("Library file is invalid: %s", err.Error())
return
}
component := strings.ToLower(c.Args().First())
for _, e := range db.List() {
if e.Name != component {
continue
}
fmt.Printf("NAME:\n %s\n", e.Name)
fmt.Printf("LOCATION:\n %s\n", e.Executable)
fmt.Println("INPUTS:")
if len(e.Inports) == 0 {
fmt.Println(" None")
} else {
for _, p := range e.Inports {
fmt.Printf(" %s - type=%s, array=%v, required=%v\n", strings.ToUpper(p.Name), p.Type, p.Addressable, p.Required)
}
}
fmt.Println("OUTPUTS:")
if len(e.Outports) == 0 {
fmt.Println(" None")
} else {
for _, p := range e.Outports {
fmt.Printf(" %s - type=%s, array=%v, required=%v\n", strings.ToUpper(p.Name), p.Type, p.Addressable, p.Required)
}
}
fmt.Printf("DESCRIPTION:\n %s\n", e.Description)
break
}
}
// Print catalog command
func listLibrary(c *cli.Context) {
// read components library file if exists
data, err := ioutil.ReadFile(c.GlobalString("file"))
if err != nil && os.IsExist(err) {
fmt.Printf("Failed to read catalogue file: %s", err.Error())
return
}
if data == nil {
fmt.Println("Library is empty")
return
}
// create JSON library (the only implementation for now)
var db library.JSONLibrary
err = json.Unmarshal(data, &db)
if err != nil {
fmt.Printf("Library file is invalid: %s", err.Error())
return
}
for _, e := range db.List() {
fmt.Println(e.Name)
}
}
// Implements catalog updating command
func addToLibrary(c *cli.Context) {
if len(c.Args()) != 1 {
fmt.Printf("Incorrect Usage. You need to provide a directory/file path as argument!\n\n")
cli.ShowAppHelp(c)
return
}
// read components library file if exists
data, err := ioutil.ReadFile(c.GlobalString("file"))
if err != nil && os.IsExist(err) {
fmt.Printf("Failed to read catalogue file: %s", err.Error())
return
}
// create JSON library (the only implementation for now)
var db library.JSONLibrary
if data != nil {
err = json.Unmarshal(data, &db)
}
if err != nil {
db = library.JSONLibrary{
Entries: make(map[string]library.Entry),
}
db.Name = "Local Components Library"
db.Created = time.Now()
}
info, err := os.Stat(c.Args().First())
if err != nil {
fmt.Printf("Failed to access given directory/file: %s", err.Error())
fmt.Println("")
return
}
if info.IsDir() {
path, err := filepath.Abs(c.Args().First())
if err != nil {
fmt.Printf("Failed to resolve absolute path for %s: %s", c.Args().First(), err.Error())
fmt.Println("")
return
}
addDirToLibrary(c, db, path)
} else {
if c.String("name") == "" {
fmt.Println("You need to provide a name when adding a component file")
cli.ShowAppHelp(c)
fmt.Println("")
return
}
err = addFileToLibrary(c, db, c.Args().First(), c.String("name"))
if err != nil {
fmt.Printf("Failed to add a component: %s", err.Error())
fmt.Println("")
return
}
}
// write index back or create if not exists
db.Updated = time.Now()
result, err := db.JSON()
if err != nil {
fmt.Printf("Failed to generate JSON: %s", err.Error())
return
}
err = ioutil.WriteFile(c.GlobalString("file"), result, os.FileMode(0644))
if err != nil {
fmt.Printf("Failed to save registry file: %s", err.Error())
return
}
}