lib/string_exp/utf8: Output usable with UTF-8.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>

diff --git a/lib/string_experimentations/utf8.nit b/lib/string_experimentations/utf8.nit
index f65a359..b1ba7d1 100644 (file)
--- a/lib/string_experimentations/utf8.nit
+++ b/lib/string_experimentations/utf8.nit
@@ -144,6 +144,23 @@ extern class UnicodeChar `{ UTF8Char* `}
                return false
        end
 
+       redef fun output import UnicodeChar.code_point `{
+               switch(UnicodeChar_len(recv)){
+                       case 1:
+                               printf("%c", recv->ns[recv->pos]);
+                               break;
+                       case 2:
+                               printf("%c%c", recv->ns[recv->pos], recv->ns[recv->pos + 1]);
+                               break;
+                       case 3:
+                               printf("%c%c%c", recv->ns[recv->pos], recv->ns[recv->pos + 1], recv->ns[recv->pos + 2]);
+                               break;
+                       case 4:
+                               printf("%c%c%c%c", recv->ns[recv->pos], recv->ns[recv->pos + 1], recv->ns[recv->pos + 2], recv->ns[recv->pos + 3]);
+                               break;
+               }
+       `}
+
        redef fun to_s import NativeString.to_s_with_length `{
                int len = utf8___UnicodeChar_len___impl(recv);
                char* r = malloc(len + 1);
@@ -324,6 +341,16 @@ redef class FlatString
                return outstr.to_s_with_length(self.bytelen)
        end
 
+       redef fun output
+       do
+               var i = self.index_from
+               var imax = self.index_to
+               while i <= imax do
+                       index[i].output
+                       i += 1
+               end
+       end
+
 end
 
 redef class NativeString