Calculate bad children on-the-fly.

src/compare/diff.rs

@@ -11,10 +11,9 @@ pub struct DiffResult {
     children: Vec<DiffResult>,
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 pub enum DiffStatus {
     Good,
-    ChildBad,
     Bad,
 }
 
@@ -24,10 +23,22 @@ impl DiffResult {
     }
 
     fn print_indented(&self, indentation: usize) -> Result<(), Box<dyn std::error::Error>> {
+        let status_text = {
+            match self.status {
+                DiffStatus::Good => {
+                    if self.has_bad_children() {
+                        "BADCHILD"
+                    } else {
+                        "GOOD"
+                    }
+                },
+                DiffStatus::Bad => "BAD",
+            }
+        };
         println!(
-            "{}{:?} {}",
+            "{}{} {}",
             "  ".repeat(indentation),
-            self.status,
+            status_text,
             self.name
         );
         for child in self.children.iter() {
@@ -35,6 +46,10 @@ impl DiffResult {
         }
         Ok(())
     }
+
+    pub fn has_bad_children(&self) -> bool {
+        self.children.iter().any(|child| {child.status == DiffStatus::Bad || child.has_bad_children()})
+    }
 }
 
 pub fn compare_document<'s>(