1 files changed, 31 insertions, 0 deletions
diff --git a/src/attributes/splines.rs b/src/attributes/splines.rs
new file mode 100644
index 0000000..5ac9b65
--- /dev/null
+++ b/src/attributes/splines.rs
@@ -0,0 +1,31 @@
+use crate::dot::DotString;
+use std::borrow::Cow;
+
+/// Spline, edges are drawn as splines routed around nodes
+/// Line, edges are drawn as line segments
+/// Polygon, specifies that edges should be drawn as polylines.
+/// Ortho, specifies edges should be routed as polylines of axis-aligned segments.
+/// Curved, specifies edges should be drawn as curved arcs.
+/// splines=line and splines=spline can be used as synonyms for
+/// splines=false and splines=true, respectively.
+pub enum Splines {
+    Line,
+    Spline,
+    None,
+    Curved,
+    Polyline,
+    Ortho,
+}
+
+impl<'a> DotString<'a> for Splines {
+    fn dot_string(&self) -> Cow<'a, str> {
+        match self {
+            Splines::Line => "line".into(),
+            Splines::Spline => "spline".into(),
+            Splines::None => "none".into(),
+            Splines::Curved => "curved".into(),
+            Splines::Polyline => "polyline".into(),
+            Splines::Ortho => "ortho".into(),
+        }
+    }
+}