add InputMsg slice support

io.go

@@ -13,6 +13,7 @@ import (
 type InputMsg struct {
 	msg             string
 	err             error
+	skipSliceSigErr bool
 }
 
 func Passwd(hint string, defaultVal string) InputMsg {
@@ -38,7 +39,7 @@ func messageBox(hint string, defaultVal string) InputMsg {
 	fd := int(os.Stdin.Fd())
 	state, err := terminal.MakeRaw(fd)
 	if err != nil {
-		return InputMsg{"", err}
+		return InputMsg{msg: "", err: err}
 	}
 	defer fmt.Println()
 	defer terminal.Restore(fd, state)
@@ -46,14 +47,14 @@ func messageBox(hint string, defaultVal string) InputMsg {
 	for {
 		b, _, err := inputReader.ReadRune()
 		if err != nil {
-			return InputMsg{"", err}
+			return InputMsg{msg: "", err: err}
 		}
 		if b == 0x0d {
 			strValue := strings.TrimSpace(string(ioBuf))
 			if len(strValue) == 0 {
 				strValue = defaultVal
 			}
-			return InputMsg{strValue, nil}
+			return InputMsg{msg: "", err: err}
 		}
 		if b == 0x08 || b == 0x7F {
 			if len(ioBuf) > 0 {
@@ -85,7 +86,7 @@ func passwd(hint string, defaultVal string, mask string) InputMsg {
 	fd := int(os.Stdin.Fd())
 	state, err := terminal.MakeRaw(fd)
 	if err != nil {
-		return InputMsg{"", err}
+		return InputMsg{msg: "", err: err}
 	}
 	defer fmt.Println()
 	defer terminal.Restore(fd, state)
@@ -93,14 +94,14 @@ func passwd(hint string, defaultVal string, mask string) InputMsg {
 	for {
 		b, _, err := inputReader.ReadRune()
 		if err != nil {
-			return InputMsg{"", err}
+			return InputMsg{msg: "", err: err}
 		}
 		if b == 0x0d {
 			strValue := strings.TrimSpace(string(ioBuf))
 			if len(strValue) == 0 {
 				strValue = defaultVal
 			}
-			return InputMsg{strValue, nil}
+			return InputMsg{msg: "", err: err}
 		}
 		if b == 0x08 || b == 0x7F {
 			if len(ioBuf) > 0 {
@@ -130,13 +131,18 @@ func MessageBox(hint string, defaultVal string) InputMsg {
 	inputReader := bufio.NewReader(os.Stdin)
 	str, err := inputReader.ReadString('\n')
 	if err != nil {
-		return InputMsg{"", err}
+		return InputMsg{msg: "", err: err}
 	}
 	str = strings.TrimSpace(str)
 	if len(str) == 0 {
 		str = defaultVal
 	}
-	return InputMsg{str, nil}
+	return InputMsg{msg: "", err: err}
+}
+
+func (im InputMsg) IgnoreSliceParseError(i bool) InputMsg {
+	im.skipSliceSigErr = i
+	return im
 }
 
 func (im InputMsg) String() (string, error) {
@@ -151,6 +157,35 @@ func (im InputMsg) MustString() string {
 	return res
 }
 
+func (im InputMsg) SliceString(sep string) ([]string, error) {
+	if im.err != nil {
+		return nil, im.err
+	}
+	return strings.Split(im.msg, sep), nil
+}
+
+func (im InputMsg) MustSliceString(sep string) []string {
+	res, _ := im.SliceString(sep)
+	return res
+}
+
+func (im InputMsg) sliceFn(sep string, fn func(string) (interface{}, error)) ([]interface{}, error) {
+	var res []interface{}
+	data, err := im.SliceString(sep)
+	if err != nil {
+		return res, err
+	}
+	for _, v := range data {
+		code, err := fn(v)
+		if err != nil && !im.skipSliceSigErr {
+			return nil, err
+		} else if err == nil {
+			res = append(res, code)
+		}
+	}
+	return res, nil
+}
+
 func (im InputMsg) Int() (int, error) {
 	if im.err != nil {
 		return 0, im.err
@@ -158,6 +193,22 @@ func (im InputMsg) Int() (int, error) {
 	return strconv.Atoi(im.msg)
 }
 
+func (im InputMsg) SliceInt(sep string) ([]int, error) {
+	data, err := im.sliceFn(sep, func(v string) (interface{}, error) {
+		return strconv.Atoi(v)
+	})
+	var res []int
+	for _, v := range data {
+		res = append(res, v.(int))
+	}
+	return res, err
+}
+
+func (im InputMsg) MustSliceInt(sep string) []int {
+	res, _ := im.SliceInt(sep)
+	return res
+}
+
 func (im InputMsg) MustInt() int {
 	res, _ := im.Int()
 	return res
@@ -175,6 +226,22 @@ func (im InputMsg) MustInt64() int64 {
 	return res
 }
 
+func (im InputMsg) SliceInt64(sep string) ([]int64, error) {
+	data, err := im.sliceFn(sep, func(v string) (interface{}, error) {
+		return strconv.ParseInt(v, 10, 64)
+	})
+	var res []int64
+	for _, v := range data {
+		res = append(res, v.(int64))
+	}
+	return res, err
+}
+
+func (im InputMsg) MustSliceInt64(sep string) []int64 {
+	res, _ := im.SliceInt64(sep)
+	return res
+}
+
 func (im InputMsg) Uint64() (uint64, error) {
 	if im.err != nil {
 		return 0, im.err
@@ -186,6 +253,21 @@ func (im InputMsg) MustUint64() uint64 {
 	res, _ := im.Uint64()
 	return res
 }
+func (im InputMsg) SliceUint64(sep string) ([]uint64, error) {
+	data, err := im.sliceFn(sep, func(v string) (interface{}, error) {
+		return strconv.ParseUint(v, 10, 64)
+	})
+	var res []uint64
+	for _, v := range data {
+		res = append(res, v.(uint64))
+	}
+	return res, err
+}
+
+func (im InputMsg) MustSliceUint64(sep string) []uint64 {
+	res, _ := im.SliceUint64(sep)
+	return res
+}
 
 func (im InputMsg) Bool() (bool, error) {
 	if im.err != nil {
@@ -199,6 +281,22 @@ func (im InputMsg) MustBool() bool {
 	return res
 }
 
+func (im InputMsg) SliceBool(sep string) ([]bool, error) {
+	data, err := im.sliceFn(sep, func(v string) (interface{}, error) {
+		return strconv.ParseBool(v)
+	})
+	var res []bool
+	for _, v := range data {
+		res = append(res, v.(bool))
+	}
+	return res, err
+}
+
+func (im InputMsg) MustSliceBool(sep string) []bool {
+	res, _ := im.SliceBool(sep)
+	return res
+}
+
 func (im InputMsg) Float64() (float64, error) {
 	if im.err != nil {
 		return 0, im.err
@@ -211,6 +309,22 @@ func (im InputMsg) MustFloat64() float64 {
 	return res
 }
 
+func (im InputMsg) SliceFloat64(sep string) ([]float64, error) {
+	data, err := im.sliceFn(sep, func(v string) (interface{}, error) {
+		return strconv.ParseFloat(v, 64)
+	})
+	var res []float64
+	for _, v := range data {
+		res = append(res, v.(float64))
+	}
+	return res, err
+}
+
+func (im InputMsg) MustSliceFloat64(sep string) []float64 {
+	res, _ := im.SliceFloat64(sep)
+	return res
+}
+
 func (im InputMsg) Float32() (float32, error) {
 	if im.err != nil {
 		return 0, im.err
@@ -224,6 +338,22 @@ func (im InputMsg) MustFloat32() float32 {
 	return res
 }
 
+func (im InputMsg) SliceFloat32(sep string) ([]float32, error) {
+	data, err := im.sliceFn(sep, func(v string) (interface{}, error) {
+		return strconv.ParseFloat(v, 32)
+	})
+	var res []float32
+	for _, v := range data {
+		res = append(res, v.(float32))
+	}
+	return res, err
+}
+
+func (im InputMsg) MustSliceFloat32(sep string) []float32 {
+	res, _ := im.SliceFloat32(sep)
+	return res
+}
+
 func YesNo(hint string, defaults bool) bool {
 	for {
 		res := strings.ToUpper(MessageBox(hint, "").MustString())

io_test.go

@@ -0,0 +1,23 @@
+package stario
+
+import (
+	"fmt"
+	"testing"
+)
+
+func Test_Slice(t *testing.T) {
+	var data = InputMsg{
+		msg:             "true,false,true,true,false,0,1,hello",
+		err:             nil,
+		skipSliceSigErr: false,
+	}
+	res, err := data.IgnoreSliceParseError(true).SliceBool(",")
+	if err != nil {
+		fmt.Println(res)
+		t.Fatal(err)
+	}
+	if len(res) == 0 {
+		t.Fatal(res)
+	}
+	fmt.Println(res)
+}