text/flat: FlatText::char_to_byte_index factorize `item` accessor

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/core/text/flat.nit b/lib/core/text/flat.nit
index 30af53b..34e3ef5 100644 (file)
--- a/lib/core/text/flat.nit
+++ b/lib/core/text/flat.nit
@@ -52,6 +52,7 @@ redef class FlatText
        fun char_to_byte_index(index: Int): Int do
                var dpos = index - _position
                var b = _bytepos
+               var its = _items
 
                if dpos == 0 then return b
                if dpos == 1 then
@@ -61,7 +62,7 @@ redef class FlatText
                        return b
                end
                if dpos == -1 then
-                       b = _items.find_beginning_of_char_at(b - 1)
+                       b = its.find_beginning_of_char_at(b - 1)
                        _bytepos = b
                        _position = index
                        return b
@@ -74,7 +75,6 @@ redef class FlatText
                var delta_end = (ln - 1) - index
                var delta_cache = (pos - index).abs
                var min = delta_begin
-               var its = _items
 
                if delta_cache < min then min = delta_cache
                if delta_end < min then min = delta_end