add ability to distinguish links

src/lib.rs

@@ -48,6 +48,33 @@ fn process_children(children: &Vec<Item>) -> String {
     result
 }
 
+fn has_image(children: &Vec<Item>) -> bool {
+    let mut result = false;
+    for c in children {
+        match c {
+            Item::Image(_) => {
+                return true;
+            }
+            _ => {}
+        }
+    }
+    result
+}
+
+fn has_video(children: &Vec<Item>) -> bool{
+    let mut result = false;
+    for c in children {
+        match c {
+            Item::Video(_) => {
+            return true;
+            }
+            _ => {}
+        }
+        
+    }
+    false
+}
+
 fn markdown_content(item: &Item) -> Content {
     let mut markdown = String::new();
     match item {
@@ -99,9 +126,18 @@ fn process_content(items: Vec<Item>) -> Vec<Content> {
             Item::Paragraph(_) => {
                 result.push(markdown_content(i));
             },
-            Item::Link(_,_) => {
+            Item::Link(_,children) => {
+                if has_video(children){
+                    result.push(Content::Markdown("Unsupported video".to_owned()));
+                }
+                else if has_image(children){
+                    result.push(Content::Markdown("Unsupported image".to_owned()));
+
+                }
+                else {
                     result.push(markdown_content(i))
                 }
+            }
             Item::UnorderedList(_) => {
                 result.push(markdown_content(i));
             }
@@ -232,25 +268,5 @@ fn parse_items(n: ego_tree::NodeRef<'_,Node>) -> Item{
 
 }
 
-/*
-Ideally I would verify what works and write tests for it. 
-I also need a function to process markdown items.
-*/
-/*
-pub fn add(left: u64, right: u64) -> u64 {
-    left + right
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
-}
- */
 #[cfg(test)]
  mod tests;