add reparent_children html5ever callback

src/html5ever/lib.rs

@@ -47,6 +47,7 @@ pub extern "C" fn html5ever_parse_document(
     add_attrs_if_missing_callback: AddAttrsIfMissingCallback,
     get_template_contents_callback: GetTemplateContentsCallback,
     remove_from_parent_callback: RemoveFromParentCallback,
+    reparent_children_callback: ReparentChildrenCallback,
 ) -> () {
     if html.is_null() || len == 0 {
         return ();
@@ -69,6 +70,7 @@ pub extern "C" fn html5ever_parse_document(
         add_attrs_if_missing_callback: add_attrs_if_missing_callback,
         get_template_contents_callback: get_template_contents_callback,
         remove_from_parent_callback: remove_from_parent_callback,
+        reparent_children_callback: reparent_children_callback,
     };
 
     let bytes = unsafe { std::slice::from_raw_parts(html, len) };
@@ -93,6 +95,7 @@ pub extern "C" fn html5ever_parse_fragment(
     add_attrs_if_missing_callback: AddAttrsIfMissingCallback,
     get_template_contents_callback: GetTemplateContentsCallback,
     remove_from_parent_callback: RemoveFromParentCallback,
+    reparent_children_callback: ReparentChildrenCallback,
 ) -> () {
     if html.is_null() || len == 0 {
         return ();
@@ -115,6 +118,7 @@ pub extern "C" fn html5ever_parse_fragment(
         add_attrs_if_missing_callback: add_attrs_if_missing_callback,
         get_template_contents_callback: get_template_contents_callback,
         remove_from_parent_callback: remove_from_parent_callback,
+        reparent_children_callback: reparent_children_callback,
     };
 
     let bytes = unsafe { std::slice::from_raw_parts(html, len) };
@@ -198,6 +202,7 @@ pub extern "C" fn html5ever_streaming_parser_create(
     add_attrs_if_missing_callback: AddAttrsIfMissingCallback,
     get_template_contents_callback: GetTemplateContentsCallback,
     remove_from_parent_callback: RemoveFromParentCallback,
+    reparent_children_callback: ReparentChildrenCallback,
 ) -> *mut c_void {
     let arena = Box::new(typed_arena::Arena::new());
 
@@ -223,6 +228,7 @@ pub extern "C" fn html5ever_streaming_parser_create(
         add_attrs_if_missing_callback: add_attrs_if_missing_callback,
         get_template_contents_callback: get_template_contents_callback,
         remove_from_parent_callback: remove_from_parent_callback,
+        reparent_children_callback: reparent_children_callback,
     };
 
     // Create a parser which implements TendrilSink for streaming parsing

src/html5ever/sink.rs

@@ -58,6 +58,7 @@ pub struct Sink<'arena> {
     pub add_attrs_if_missing_callback: AddAttrsIfMissingCallback,
     pub get_template_contents_callback: GetTemplateContentsCallback,
     pub remove_from_parent_callback: RemoveFromParentCallback,
+    pub reparent_children_callback: ReparentChildrenCallback,
 }
 
 impl<'arena> TreeSink for Sink<'arena> {
@@ -235,8 +236,8 @@ impl<'arena> TreeSink for Sink<'arena> {
     }
 
     fn reparent_children(&self, node: &Ref, new_parent: &Ref) {
-        _ = node;
-        _ = new_parent;
-        panic!("reparent_children");
+        unsafe {
+            (self.reparent_children_callback)(self.ctx, *node, *new_parent);
+        }
     }
 }

src/html5ever/types.rs

@@ -61,6 +61,8 @@ pub type GetTemplateContentsCallback = unsafe extern "C" fn(ctx: Ref, target: Re
 
 pub type RemoveFromParentCallback = unsafe extern "C" fn(ctx: Ref, target: Ref) -> ();
 
+pub type ReparentChildrenCallback = unsafe extern "C" fn(ctx: Ref, node: Ref, new_parent: Ref) -> ();
+
 pub type Ref = *const c_void;
 
 #[repr(C)]