initial commit

line.py

@@ -0,0 +1,22 @@
+class Line:
+    def __init__(self, byte_offset: int, byte_end: int, line: str):
+        self._byte_offset = byte_offset
+        self._byte_end = byte_end
+        self._line = line
+
+    def byte_offset(self):
+        return self._byte_offset
+
+    def byte_end(self):
+        return self._byte_end
+
+    def line(self):
+        return self._line
+
+    def includes_byte(self, byte: int) -> bool:
+        return self._byte_offset <= byte <= self._byte_end
+
+    def intersects(self, start_byte: int, end_byte: int):
+        result = start_byte < self._byte_end and end_byte > self._byte_offset
+        #print("%d,%d in %d,%d" % (start_byte, end_byte, self._byte_offset, self._byte_end))
+        return result