track fullwidth continuation cells explicitly

this makes the logic a bit easier to follow

1 files changed, 12 insertions, 0 deletions

diff --git a/src/cell.rs b/src/cell.rs
index ecc44b2..5da4452 100644
--- a/src/cell.rs
+++ b/src/cell.rs
@@ -112,6 +112,10 @@ impl Cell {
         self.len & 0x80 == 0x80
     }
 
+    pub fn is_wide_continuation(&self) -> bool {
+        self.len & 0x40 == 0x40
+    }
+
     fn set_wide(&mut self, wide: bool) {
         if wide {
             self.len |= 0x80;
@@ -120,6 +124,14 @@ impl Cell {
         }
     }
 
+    pub(crate) fn set_wide_continuation(&mut self, wide: bool) {
+        if wide {
+            self.len |= 0x40;
+        } else {
+            self.len &= 0xbf;
+        }
+    }
+
     pub(crate) fn attrs(&self) -> &crate::attrs::Attrs {
         &self.attrs
     }