removed broken ru language

pkg/encoder/encoder.go

@@ -21,11 +21,9 @@ type Encoder struct {
 	repeat        bool
 }
 
-func NewEncoder(w io.Writer, language string) *Encoder {
-	if language == "" {
-		language = "de"
-	}
-	return &Encoder{w, language, 0, false, 0, false}
+func NewEncoder(w io.Writer, language string) (*Encoder, error) {
+	err := lang.Exists(language)
+	return &Encoder{w, language, 0, false, 0, false}, err
 }
 
 func (e *Encoder) Encode(r io.Reader) (err error) {

pkg/encoder/encoder_test.go

@@ -15,7 +15,11 @@ REM Hello World
 `)
 		out = new(bytes.Buffer)
 	)
-	err := NewEncoder(out, "de").Encode(in)
+	e, err := NewEncoder(out, "de")
+	if err != nil {
+		t.Error(err)
+	}
+	err = e.Encode(in)
 	if err != nil {
 		t.Error(err)
 	}
@@ -34,7 +38,11 @@ STRING Hello World
 			0x12, 0x0, 0x2c, 0x0, 0x1a, 0x2, 0x12, 0x0,
 			0x15, 0x0, 0xf, 0x0, 0x7, 0x0}
 	)
-	err := NewEncoder(out, "de").Encode(in)
+	e, err := NewEncoder(out, "de")
+	if err != nil {
+		t.Error(err)
+	}
+	err = e.Encode(in)
 	if err != nil {
 		t.Error(err)
 	}
@@ -68,7 +76,11 @@ STRING Hello World
 			0xf, 0x0, 0x12, 0x0, 0x2c, 0x0, 0x1a, 0x2,
 			0x12, 0x0, 0x15, 0x0, 0xf, 0x0, 0x7, 0x0}
 	)
-	err := NewEncoder(out, "de").Encode(in)
+	e, err := NewEncoder(out, "de")
+	if err != nil {
+		t.Error(err)
+	}
+	err = e.Encode(in)
 	if err != nil {
 		t.Error(err)
 	}
@@ -77,6 +89,18 @@ STRING Hello World
 	}
 }
 
+func TestError(t *testing.T) {
+	out := new(bytes.Buffer)
+	_, err := NewEncoder(out, "")
+	if err == nil {
+		t.Error("language '' should not be supported")
+	}
+	_, err = NewEncoder(out, "fizzbuzz")
+	if err == nil {
+		t.Error("language 'fizzbuzz' should not be supported")
+	}
+}
+
 func BenchmarkExample(b *testing.B) {
 	var in = bytes.NewBufferString(`
 REM Type Hello World into Windows notepad. Target: Windows 95 and beyond. Author: Darren
@@ -88,7 +112,10 @@ ENTER
 DELAY 1000
 STRING Hello World
 `)
-	e := NewEncoder(ioutil.Discard, "de")
+	e, err := NewEncoder(ioutil.Discard, "de")
+	if err != nil {
+		b.Error(err)
+	}
 	b.ReportAllocs()
 	for i := 0; i < b.N; i++ {
 		e.Encode(in)

pkg/lang/lang.go

@@ -2,6 +2,8 @@
 
 package lang
 
+import "errors"
+
 var L = make(map[string]Lang)
 
 type Lang map[string]Key
@@ -10,3 +12,10 @@ type Key struct {
 	Key byte
 	Mod byte
 }
+
+func Exists(l string) error {
+	if _, ok := L[l]; !ok {
+		return errors.New("language '" + l + "' is not supported")
+	}
+	return nil
+}

pkg/lang/ru.go

@@ -1,11 +0,0 @@
-package lang
-
-import "git.giftfish.de/ston1th/duckycode/pkg/keys"
-
-func init() {
-	L["ru"] = ru
-}
-
-var ru = Lang{
-	"Binary": Key{keys.K["file"], keys.K["language/ru.properties"]},
-}