StringDefault, Stringln, ChooseInterface added

History.md

@@ -1,3 +1,11 @@
+v2.0.0 / 2017-09-22
+===================
+
+  * add Stringln for multi spaced sentence
+  * add ChooseInterface for list of variable types
+  * examples added
+
+
 
 v1.2.0 / 2014-12-10
 ===================

Readme.md

@@ -1,16 +1,18 @@
 
+forked from segmentio/go-prompt
+
 # go-prompt
 
  Terminal prompts for Go.
 
  View the [docs](http://godoc.org/pkg/github.com/segmentio/go-prompt).
 
-## Example
+## How to use:
 
 ```go
 package main
 
-import "github.com/segmentio/go-prompt"
+import "github.com/riteshpradhan/go-prompt"
 
 var langs = []string{
   "c",
@@ -28,6 +30,15 @@ func main() {
 }
 ```
 
-## License
-
- MIT
+## Functions:
+* String
+* StringRequired
+* StringDefault
+* Stringln
+* Integer
+* IntegerRequired
+* Confirm
+* Choose
+* ChooseInterface
+* Password
+* PasswordMasked

examples/confirm.go

@@ -1,6 +1,6 @@
 package main
 
-import prompt "github.com/segmentio/go-prompt"
+import "github.com/riteshpradhan/go-prompt"
 
 func main() {
 	if ok := prompt.Confirm("launch %s?", "something"); ok {

examples/list-interface.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/riteshpradhan/go-prompt"
+)
+
+// MyFriend is custom type
+type MyFriend struct {
+	Name string
+	Age  int
+}
+
+func createListInterface() []interface{} {
+	friend1 := MyFriend{Name: "Matt", Age: 33}
+	friend2 := MyFriend{Name: "Jing", Age: 25}
+	friend3 := MyFriend{Name: "Arya", Age: 20}
+
+	return []interface{}{
+		friend1,
+		friend2,
+		friend3,
+	}
+}
+
+func main() {
+	myList := createListInterface()
+	i := prompt.ChooseInterface("What's your favorite friend?", myList)
+	fmt.Printf("picked: %+v\n", myList[i])
+}

examples/list.go

@@ -1,6 +1,6 @@
 package main
 
-import prompt "github.com/segmentio/go-prompt"
+import "github.com/riteshpradhan/go-prompt"
 
 var langs = []string{
 	"c",

examples/passwords.go

@@ -1,6 +1,6 @@
 package main
 
-import prompt "github.com/segmentio/go-prompt"
+import "github.com/riteshpradhan/go-prompt"
 
 func main() {
 	{

examples/string-line.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"bufio"
+
+	"github.com/riteshpradhan/go-prompt"
+)
+
+func main() {
+	println("Getting Started!")
+	scanner := bufio.NewScanner(os.Stdin)
+	longLine := prompt.Stringln(scanner, "Enter a long senctence")
+	singleWord := prompt.String("Single Word")
+	fmt.Printf("\nHello \n long: %s \n short: %s\n", longLine, singleWord)
+}

examples/string-required.go

@@ -3,7 +3,7 @@ package main
 import (
 	"fmt"
 
-	prompt "github.com/segmentio/go-prompt"
+	"github.com/riteshpradhan/go-prompt"
 )
 
 func main() {

examples/string.go

@@ -3,12 +3,14 @@ package main
 import (
 	"fmt"
 
-	prompt "github.com/segmentio/go-prompt"
+	"github.com/riteshpradhan/go-prompt"
 )
 
 func main() {
 	println("need your name!")
 	first := prompt.String("first")
 	last := prompt.String("last")
-	fmt.Printf("\nHello %s %s\n", first, last)
+	def := prompt.StringDefault("Want default", "defaultValue")
+	fmt.Printf("\nHello %s %s \n", first, last)
+	fmt.Println("Default value is : ", def)
 }

prompt.go

@@ -1,30 +1,68 @@
 package prompt
 
-import "github.com/howeyc/gopass"
-import "strings"
-import "strconv"
-import "fmt"
+import (
+	"bufio"
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/howeyc/gopass"
+)
 
 // String prompt.
-func String(prompt string, args ...interface{}) string {
+func String(msg string, args ...interface{}) string {
 	var s string
-	fmt.Printf(prompt+": ", args...)
+	prompt(msg, args...)
 	fmt.Scanln(&s)
 	return s
 }
 
 // String prompt (required).
-func StringRequired(prompt string, args ...interface{}) (s string) {
+func StringRequired(msg string, args ...interface{}) (s string) {
 	for strings.Trim(s, " ") == "" {
-		s = String(prompt, args...)
+		s = String(msg, args...)
+	}
+	return s
+}
+
+// String default (required).
+func StringDefault(msg string, dvalue string) (s string) {
+	fmt.Printf("%s (default value: %s)", msg, dvalue)
+	fmt.Scanln(&s)
+	if strings.Trim(s, " ") == "" {
+		return dvalue
 	}
 	return s
 }
 
+// Stringln reads multi spaced sentence until newline
+func Stringln(scanner *bufio.Scanner, msg string) string {
+	prompt(msg)
+	scanner.Scan()
+	return scanner.Text()
+}
+
+// Integer prompt (required).
+func IntegerRequired(msg string, args ...interface{}) int {
+	for {
+		n := Integer(msg, args...)
+		if n != 0 {
+			return n
+		}
+	}
+}
+
+// Integer prompt
+func Integer(msg string, args ...interface{}) int {
+	s := String(msg, args...)
+	n, _ := strconv.Atoi(s)
+	return n
+}
+
 // Confirm continues prompting until the input is boolean-ish.
-func Confirm(prompt string, args ...interface{}) bool {
+func Confirm(msg string, args ...interface{}) bool {
 	for {
-		switch String(prompt, args...) {
+		switch String(msg, args...) {
 		case "Yes", "yes", "y", "Y":
 			return true
 		case "No", "no", "n", "N":
@@ -34,7 +72,7 @@ func Confirm(prompt string, args ...interface{}) bool {
 }
 
 // Choose prompts for a single selection from `list`, returning in the index.
-func Choose(prompt string, list []string) int {
+func Choose(msg string, list []string) int {
 	fmt.Println()
 	for i, val := range list {
 		fmt.Printf("  %d) %s\n", i+1, val)
@@ -44,7 +82,7 @@ func Choose(prompt string, list []string) int {
 	i := -1
 
 	for {
-		s := String(prompt)
+		s := String(msg)
 
 		// index
 		n, err := strconv.Atoi(s)
@@ -67,17 +105,48 @@ func Choose(prompt string, list []string) int {
 	return i
 }
 
+// Choose prompts for a single selection from `list`, returning in the index.
+func ChooseInterface(msg string, list []interface{}) int {
+	fmt.Println()
+	for i, val := range list {
+		fmt.Printf("  %d) %+v\n", i+1, val)
+	}
+
+	fmt.Println()
+	i := -1
+
+	for {
+		s := String(msg)
+
+		// index
+		n, err := strconv.Atoi(s)
+		if err != nil {
+			continue
+		}
+
+		if n > 0 && n <= len(list) {
+			i = n - 1
+			break
+		} else {
+			continue
+		}
+
+	}
+
+	return i
+}
+
 // Password prompt.
-func Password(prompt string, args ...interface{}) string {
-	fmt.Printf(prompt+": ", args...)
+func Password(msg string, args ...interface{}) string {
+	prompt(msg, 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...)
+func PasswordMasked(msg string, args ...interface{}) string {
+	prompt(msg, args...)
 	password, _ := gopass.GetPasswdMasked()
 	s := string(password[0:])
 	return s
@@ -92,3 +161,7 @@ func indexOf(s string, list []string) int {
 	}
 	return -1
 }
+
+func prompt(msg string, args ...interface{}) {
+	fmt.Printf(msg+": ", args...)
+}