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LibWeb: Add JSON serialization method to DOM::Node
This method builds a JSON object representing the full state of the DOM tree. The JSON that is built will be used for building the DOM Inspector widget for the OutOfProcessWebView.
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@ -606,4 +606,36 @@ RefPtr<Document> Node::owner_document() const
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return m_document;
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}
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void Node::serialize_tree_as_json(JsonObjectSerializer<StringBuilder>& object) const
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{
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object.add("name", node_name().view());
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object.add("internal_id", (size_t)this);
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if (is_document())
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object.add("type", "document");
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else if (is_element()) {
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object.add("type", "element");
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auto element = downcast<DOM::Element>(this);
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if (element->has_attributes()) {
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auto attributes = object.add_object("attributes");
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element->for_each_attribute([&attributes](auto& name, auto& value) {
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attributes.add(name, value);
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});
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}
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} else if (is_text()) {
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object.add("type", "text");
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auto text_node = downcast<DOM::Text>(this);
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object.add("text", text_node->data());
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}
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if (has_child_nodes()) {
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auto children = object.add_array("children");
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for_each_child([&children](DOM::Node& child) {
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JsonObjectSerializer<StringBuilder> child_object = children.add_object();
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child.serialize_tree_as_json(child_object);
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});
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}
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}
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}
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