First pass at displaying Menu files

internal/util/asciiscan/asciiscan.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"os"
 	"strconv"
+	"strings"
 )
 
 var hashComment = []byte("#")
@@ -60,6 +61,22 @@ func (s *Scanner) ConsumeString() (string, error) {
 	return "", err
 }
 
+// It's common for properties to be specified as "foo : bar". Parse them out.
+func ConsumeProperty(s string) (string, string) {
+	if !IsProperty(s) {
+		return "", ""
+	}
+
+	parts := strings.SplitN(s, ":", 2)
+	return strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1])
+}
+
+// Peek ahead in the input stream to see if the next line might be a property
+// (contain a colon character).
+func IsProperty(s string) bool {
+	return strings.Contains(s, ":")
+}
+
 func (s *Scanner) ConsumeInt() (int, error) {
 	str, err := s.ConsumeString()
 	if err != nil {