make things cool and good and wow

src/privatize.rs

@@ -0,0 +1,41 @@
+use syn::{parse_quote, visit_mut::VisitMut, Visibility};
+
+use crate::processor::Processor;
+
+struct Visitor {
+    pub_crate: Visibility,
+    has_made_change: bool,
+}
+
+impl Visitor {
+    fn new() -> Self {
+        Self {
+            has_made_change: false,
+            pub_crate: parse_quote! { pub(crate) },
+        }
+    }
+}
+
+impl VisitMut for Visitor {
+    fn visit_visibility_mut(&mut self, vis: &mut Visibility) {
+        if let Visibility::Public(_) = vis {
+            self.has_made_change = true;
+            *vis = self.pub_crate.clone();
+        }
+    }
+}
+
+#[derive(Default)]
+pub struct Privarize {}
+
+impl Processor for Privarize {
+    fn process_file(&mut self, krate: &mut syn::File) -> bool {
+        let mut visitor = Visitor::new();
+        visitor.visit_file_mut(krate);
+        visitor.has_made_change
+    }
+
+    fn name(&self) -> &'static str {
+        "privatize"
+    }
+}