refactor

src/buffer/find.rs

@@ -50,11 +50,7 @@ impl Buffer {
 
         let mut pos: Option<TextPosition> = None;
         for find in self.finds.iter() {
-            if find.row < self.cursor.y {
-                continue;
-            } else if find.row == self.cursor.y && find.start <= self.cursor.x {
-                continue;
-            } else {
+            if find.get_start_point() > self.cursor {
                 pos = Some(find.clone());
                 break;
             }
@@ -74,11 +70,7 @@ impl Buffer {
 
         let mut pos: Option<TextPosition> = None;
         for find in self.finds.iter().rev() {
-            if self.cursor.y < find.row {
-                continue;
-            } else if find.row == self.cursor.y && self.cursor.x <= find.start {
-                continue;
-            } else {
+            if self.cursor > find.get_end_point() {
                 pos = Some(find.clone());
                 break;
             }

src/core/text_position.rs

@@ -1,6 +1,18 @@
+use crate::core::point::Point;
+
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct TextPosition {
     pub row: usize,
     pub start: usize,
     pub end: usize,
 }
+
+impl TextPosition {
+    pub fn get_start_point(&self) -> Point<usize> {
+        Point::new(self.row, self.start)
+    }
+
+    pub fn get_end_point(&self) -> Point<usize> {
+        Point::new(self.row, self.end)
+    }
+}