Example #1
0
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
	}
}
Example #2
0
// 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)
	}
}
Example #3
0
// 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
	}
}