fix to read comment inside Delete in Insert (#755)

docx-core/src/documents/mod.rs

@@ -868,6 +868,18 @@ impl Docx {
                                         let comment = comment.clone();
                                         c.as_mut().comment(comment);
                                     }
+                                } else if let InsertChild::Delete(ref mut d) = child {
+                                    for child in &mut d.children {
+                                        if let DeleteChild::CommentStart(ref mut c) = child {
+                                            let comment_id = c.get_id();
+                                            if let Some(comment) =
+                                                comments.iter().find(|c| c.id() == comment_id)
+                                            {
+                                                let comment = comment.clone();
+                                                c.as_mut().comment(comment);
+                                            }
+                                        }
+                                    }
                                 }
                             }
                         }

docx-core/tests/reader.rs

@@ -260,6 +260,23 @@ pub fn read_extended_comment() {
     file.flush().unwrap();
 }
 
+#[test]
+pub fn read_comment_in_delete_in_insert() {
+    let mut file =
+        File::open("../fixtures/comment_in_delete_in_insert/comment_in_delete_in_insert.docx")
+            .unwrap();
+    let mut buf = vec![];
+    file.read_to_end(&mut buf).unwrap();
+    let json = read_docx(&buf).unwrap().json();
+
+    assert_json_snapshot!("read_comment_in_delete_in_insert", &json);
+
+    let path = std::path::Path::new("./tests/output/comment_in_delete_in_insert.json");
+    let mut file = std::fs::File::create(path).unwrap();
+    file.write_all(json.as_bytes()).unwrap();
+    file.flush().unwrap();
+}
+
 #[test]
 pub fn read_line_spacing() {
     let mut file = File::open("../fixtures/line_spacing/line_spacing.docx").unwrap();