Move logic out of main package

gilo.go

@@ -3,7 +3,8 @@ package main
 import (
 	"bufio"
 	"os"
-	"timshome.page/gilo/internal/rune"
+
+	"timshome.page/gilo/internal/editor"
 	"timshome.page/gilo/internal/terminal"
 )
 
@@ -14,21 +15,7 @@ func main() {
 
 	reader := bufio.NewReader(os.Stdin)
 
-	for {
-		char, _, err := reader.ReadRune()
-		if err != nil {
-			panic(err)
-		}
-
-		// Ugliest syntax structure ever?
-		switch {
-		case char == rune.Ctrl('q'):
-			terminal.OutLn("bye!")
-			return
-		case rune.IsCtrl(char):
-			terminal.OutLn("%d", char)
-		default:
-			terminal.OutLn("%d ('%c')", char, char)
-		}
+	for editor.ProcessKeypress(reader) {
+		// loop!
 	}
 }

internal/char/char.go

@@ -1,4 +1,4 @@
-package rune
+package char
 
 func isAscii(char rune) bool {
 	ord := int(char)

internal/editor/editor.go

@@ -1 +1,34 @@
 package editor
+
+import (
+	"bufio"
+
+	"timshome.page/gilo/internal/char"
+	"timshome.page/gilo/internal/terminal"
+)
+
+func readKey(reader *bufio.Reader) (rune, int) {
+	ch, size, err := reader.ReadRune()
+	if err != nil {
+		panic(err)
+	}
+
+	return ch, size
+}
+
+func ProcessKeypress(reader *bufio.Reader) bool {
+	ch, _ := readKey(reader)
+
+	// Ugliest syntax structure ever?
+	switch {
+	case ch == char.Ctrl('q'):
+		terminal.OutLn("bye!")
+		return false
+	case char.IsCtrl(ch):
+		terminal.OutLn("%d", ch)
+	default:
+		terminal.OutLn("%d ('%c')", ch, ch)
+	}
+
+	return true
+}