bendns' repos / dmp
my fork of dmp
Diffstat (limited to 'src/diff.rs')
-rw-r--r--src/diff.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/diff.rs b/src/diff.rs
new file mode 100644
index 0000000..689a9b2
--- /dev/null
+++ b/src/diff.rs
@@ -0,0 +1,28 @@
+use serde_repr::{Deserialize_repr, Serialize_repr};
+
+/// Enum representing the different ops of diff
+#[derive(Debug, PartialEq, Eq, Clone, Copy, Serialize_repr, Deserialize_repr)]
+#[repr(i8)]
+pub enum Ops {
+ Delete = -1,
+ Insert,
+ Equal,
+}
+
+/// A trait defining Diff operations
+pub trait DiffTrait<T: Sized + Copy + Ord + Eq> {
+ fn new(op: Ops, lines: &[T]) -> Self;
+
+ /// helper functions to create ops
+ fn delete(lines: &[T]) -> Self;
+
+ fn insert(lines: &[T]) -> Self;
+
+ fn equal(lines: &[T]) -> Self;
+
+ // returns the operation of the current diff
+ fn op(&self) -> Ops;
+
+ // returns the inner data
+ fn data(&self) -> &[T];
+} \ No newline at end of file