LibWeb: Parse "li" start tags in the "in body" insertion mode

1 files changed, 112 insertions, 3 deletions

diff --git a/Libraries/LibWeb/Parser/HTMLDocumentParser.cpp b/Libraries/LibWeb/Parser/HTMLDocumentParser.cpp
index cacf1ba8c5..d504633f73 100644
--- a/Libraries/LibWeb/Parser/HTMLDocumentParser.cpp
+++ b/Libraries/LibWeb/Parser/HTMLDocumentParser.cpp
@@ -44,8 +44,8 @@
         ASSERT_NOT_REACHED(); \
     } while (0)
 
-#define PARSE_ERROR()            \
-    do {                         \
+#define PARSE_ERROR()                                                         \
+    do {                                                                      \
         dbg() << "Parse error! " << __PRETTY_FUNCTION__ << " @ " << __LINE__; \
     } while (0)
 
@@ -642,6 +642,93 @@ void HTMLDocumentParser::run_the_adoption_agency_algorithm(HTMLToken& token)
     TODO();
 }
 
+static bool is_special_tag(const FlyString& tag_name)
+{
+    return tag_name.is_one_of(
+        "address",
+        "applet",
+        "area",
+        "article",
+        "aside",
+        "base",
+        "basefont",
+        "bgsound",
+        "blockquote",
+        "body",
+        "br",
+        "button",
+        "caption",
+        "center",
+        "col",
+        "colgroup",
+        "dd",
+        "details",
+        "dir",
+        "div",
+        "dl",
+        "dt",
+        "embed",
+        "fieldset",
+        "figcaption",
+        "figure",
+        "footer",
+        "form",
+        "frame",
+        "frameset",
+        "h1",
+        "h2",
+        "h3",
+        "h4",
+        "h5",
+        "h6",
+        "head",
+        "header",
+        "hgroup",
+        "hr",
+        "html",
+        "iframe",
+        "img",
+        "input",
+        "keygen",
+        "li",
+        "link",
+        "listing",
+        "main",
+        "marquee",
+        "menu",
+        "meta",
+        "nav",
+        "noembed",
+        "noframes",
+        "noscript",
+        "object",
+        "ol",
+        "p",
+        "param",
+        "plaintext",
+        "pre",
+        "script",
+        "section",
+        "select",
+        "source",
+        "style",
+        "summary",
+        "table",
+        "tbody",
+        "td",
+        "template",
+        "textarea",
+        "tfoot",
+        "th",
+        "thead",
+        "title",
+        "tr",
+        "track",
+        "ul",
+        "wbr",
+        "xmp");
+}
+
 void HTMLDocumentParser::handle_in_body(HTMLToken& token)
 {
     if (token.is_character()) {
@@ -742,7 +829,29 @@ void HTMLDocumentParser::handle_in_body(HTMLToken& token)
     }
 
     if (token.is_start_tag() && token.tag_name() == "li") {
-        TODO();
+        m_frameset_ok = false;
+
+        for (ssize_t i = m_stack_of_open_elements.elements().size() - 1; i >= 0; --i) {
+            RefPtr<Element> node = m_stack_of_open_elements.elements()[i];
+
+            if (node->tag_name() == "li") {
+                generate_implied_end_tags("li");
+                if (current_node().tag_name() != "li") {
+                    PARSE_ERROR();
+                }
+                m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped("li");
+                break;
+            }
+
+            if (is_special_tag(node->tag_name()) && !node->tag_name().is_one_of("address", "div", "p"))
+                break;
+        }
+
+        if (m_stack_of_open_elements.has_in_button_scope("p"))
+            close_a_p_element();
+
+        insert_html_element(token);
+        return;
     }
 
     if (token.is_start_tag() && token.tag_name().is_one_of("dd", "dt")) {