Repository: segmentio/go-prompt
Branch: master
Commit: f0d19b6901ad
Files: 8
Total size: 3.5 KB

Directory structure:
gitextract_r8jliluu/

├── History.md
├── Readme.md
├── examples/
│   ├── confirm.go
│   ├── list.go
│   ├── passwords.go
│   ├── string-required.go
│   └── string.go
└── prompt.go

================================================
FILE CONTENTS
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================================================
FILE: History.md
================================================

v1.2.0 / 2014-12-10
===================

  * remove appending of ? to Confirm()

v1.1.0 / 2014-10-22
==================

 * add passwords example
 * add password docs
 * Merge pull request #2 from nrmitchi/add/gopass
 * Adding convenience wrappers around howeyc/gopass


================================================
FILE: Readme.md
================================================

# go-prompt

 Terminal prompts for Go.

 View the [docs](http://godoc.org/pkg/github.com/segmentio/go-prompt).

## Example

```go
package main

import "github.com/segmentio/go-prompt"

var langs = []string{
  "c",
  "c++",
  "lua",
  "go",
  "js",
  "ruby",
  "python",
}

func main() {
  i := prompt.Choose("What's your favorite language?", langs)
  println("picked: " + langs[i])
}
```

## License

 MIT

================================================
FILE: examples/confirm.go
================================================
package main

import prompt "github.com/segmentio/go-prompt"

func main() {
	if ok := prompt.Confirm("launch %s?", "something"); ok {
		println("launching")
	} else {
		println("not launching")
	}
}


================================================
FILE: examples/list.go
================================================
package main

import prompt "github.com/segmentio/go-prompt"

var langs = []string{
	"c",
	"c++",
	"lua",
	"go",
	"js",
	"ruby",
	"python",
}

func main() {
	i := prompt.Choose("What's your favorite language?", langs)
	println("picked: " + langs[i])
}


================================================
FILE: examples/passwords.go
================================================
package main

import prompt "github.com/segmentio/go-prompt"

func main() {
	{
		name := "Tobi"
		pass := prompt.Password("hi %s enter your password", name)
		println(pass)
	}

	{
		pass := prompt.PasswordMasked("masked passwords are cool")
		println(pass)
	}
}


================================================
FILE: examples/string-required.go
================================================
package main

import (
	"fmt"

	prompt "github.com/segmentio/go-prompt"
)

func main() {
	println("need your name!")
	first := prompt.StringRequired("first")
	last := prompt.StringRequired("last")
	fmt.Printf("\nHello %s %s\n", first, last)
}


================================================
FILE: examples/string.go
================================================
package main

import (
	"fmt"

	prompt "github.com/segmentio/go-prompt"
)

func main() {
	println("need your name!")
	first := prompt.String("first")
	last := prompt.String("last")
	fmt.Printf("\nHello %s %s\n", first, last)
}


================================================
FILE: prompt.go
================================================
package prompt

import "github.com/howeyc/gopass"
import "strings"
import "strconv"
import "fmt"

// String prompt.
func String(prompt string, args ...interface{}) string {
	var s string
	fmt.Printf(prompt+": ", args...)
	fmt.Scanln(&s)
	return s
}

// String prompt (required).
func StringRequired(prompt string, args ...interface{}) (s string) {
	for strings.Trim(s, " ") == "" {
		s = String(prompt, args...)
	}
	return s
}

// Confirm continues prompting until the input is boolean-ish.
func Confirm(prompt string, args ...interface{}) bool {
	for {
		switch String(prompt, args...) {
		case "Yes", "yes", "y", "Y":
			return true
		case "No", "no", "n", "N":
			return false
		}
	}
}

// Choose prompts for a single selection from `list`, returning in the index.
func Choose(prompt string, list []string) int {
	fmt.Println()
	for i, val := range list {
		fmt.Printf("  %d) %s\n", i+1, val)
	}

	fmt.Println()
	i := -1

	for {
		s := String(prompt)

		// index
		n, err := strconv.Atoi(s)
		if err == nil {
			if n > 0 && n <= len(list) {
				i = n - 1
				break
			} else {
				continue
			}
		}

		// value
		i = indexOf(s, list)
		if i != -1 {
			break
		}
	}

	return i
}

// Password prompt.
func Password(prompt string, args ...interface{}) string {
	fmt.Printf(prompt+": ", args...)
	password, _ := gopass.GetPasswd()
	s := string(password[0:])
	return s
}

// Password prompt with mask.
func PasswordMasked(prompt string, args ...interface{}) string {
	fmt.Printf(prompt+": ", args...)
	password, _ := gopass.GetPasswdMasked()
	s := string(password[0:])
	return s
}

// index of `s` in `list`.
func indexOf(s string, list []string) int {
	for i, val := range list {
		if val == s {
			return i
		}
	}
	return -1
}