lib/core: remove uses of Byte for Text
[nit.git] / lib / core / codecs / utf8.nit
index debb3f5..c37bd35 100644 (file)
@@ -54,7 +54,7 @@ private class UTF8Codec
        redef fun is_valid_char(ns, len) do
                if len == 0 then return 2
                if not ns[0].is_valid_utf8_start then return 2
-               for i in [1 .. len[ do if ns[i] & 0b1100_0000u8 != 0b1000_0000u8 then return 2
+               for i in [1 .. len[ do if ns[i] & 0b1100_0000 != 0b1000_0000 then return 2
                if len != ns[0].u8len then return 1
                return 0
        end
@@ -68,12 +68,13 @@ private class UTF8Codec
        end
 
        redef fun decode_string(ns, len) do
-               var ret = ns.to_s_with_length(len)
+               assert len >= 0
+               var ret = ns.to_s_unsafe(len, copy=false)
                var rit = ret.as(FlatString).items
                if rit == ns then
                        var nns = new CString(len)
                        rit.copy_to(nns, len, 0, 0)
-                       return nns.to_s_full(ret.byte_length, ret.length)
+                       return nns.to_s_unsafe(ret.byte_length, ret.length, copy=false)
                end
                return ret
        end