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LibWeb: Handle additional parser inputs in "initial" and "before html".

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This commit is contained in:
TheDumpap 2020-05-27 01:49:40 +02:00 • committed by Andreas Kling
parent 8d8c33833f
commit c700a30ce8
Notes: sideshowbarker 2024-07-19 18:30:41 +09:00
1 changed files with 73 additions and 5 deletions
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78
Libraries/LibWeb/Parser/HTMLDocumentParser.cpp
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@ -116,7 +116,17 @@ void HTMLDocumentParser::process_using_the_rules_for(InsertionMode mode, HTMLTok
void HTMLDocumentParser::handle_initial(HTMLToken& token)
{
if (token.type() == HTMLToken::Type::DOCTYPE) {
if (token.is_character() && token.is_parser_whitespace()) {
return;
}
if (token.is_comment()) {
auto comment = adopt(*new Comment(document(), token.m_comment_or_character.data.to_string()));
document().append_child(move(comment));
return;
}
if (token.is_doctype()) {
auto doctype = adopt(*new DocumentType(document()));
doctype->set_name(token.m_doctype.name.to_string());
document().append_child(move(doctype));
@ -128,6 +138,17 @@ void HTMLDocumentParser::handle_initial(HTMLToken& token)
void HTMLDocumentParser::handle_before_html(HTMLToken& token)
{
if (token.is_doctype()) {
PARSE_ERROR();
return;
}
if (token.is_comment()) {
auto comment = adopt(*new Comment(document(), token.m_comment_or_character.data.to_string()));
document().append_child(move(comment));
return;
}
if (token.is_character() && token.is_parser_whitespace()) {
return;
}
@ -139,7 +160,23 @@ void HTMLDocumentParser::handle_before_html(HTMLToken& token)
m_insertion_mode = InsertionMode::BeforeHead;
return;
}
ASSERT_NOT_REACHED();
if (token.is_end_tag() && token.tag_name().is_one_of("head", "body", "html", "br")) {
goto AnythingElse;
}
if (token.is_end_tag()) {
PARSE_ERROR();
return;
}
AnythingElse:
auto element = create_element(document(), "html");
m_stack_of_open_elements.push(element);
// FIXME: If the Document is being loaded as part of navigation of a browsing context, then: run the application cache selection algorithm with no manifest, passing it the Document object.
m_insertion_mode = InsertionMode::BeforeHead;
process_using_the_rules_for(InsertionMode::BeforeHead, token);
return;
}
Element& HTMLDocumentParser::current_node()
@ -181,13 +218,45 @@ void HTMLDocumentParser::handle_before_head(HTMLToken& token)
return;
}
if (token.is_comment()) {
insert_comment(token);
return;
}
if (token.is_doctype()) {
PARSE_ERROR();
return;
}
if (token.is_start_tag() && token.tag_name() == "html") {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_start_tag() && token.tag_name() == "head") {
auto element = insert_html_element(token);
m_head_element = to<HTMLHeadElement>(element);
m_insertion_mode = InsertionMode::InHead;
return;
}
ASSERT_NOT_REACHED();
if (token.is_end_tag() && token.tag_name().is_one_of("head", "body", "html", "br")) {
goto AnythingElse;
}
if (token.is_end_tag()) {
PARSE_ERROR();
return;
}
AnythingElse:
HTMLToken fake_head_token;
fake_head_token.m_type = HTMLToken::Type::StartTag;
fake_head_token.m_tag.tag_name.append("head");
m_head_element = to<HTMLHeadElement>(insert_html_element(fake_head_token));
m_insertion_mode = InsertionMode::InHead;
process_using_the_rules_for(InsertionMode::InHead, token);
return;
}
void HTMLDocumentParser::insert_comment(HTMLToken& token)
@ -593,8 +662,7 @@ void HTMLDocumentParser::handle_in_body(HTMLToken& token)
if (node->tag_name() == token.tag_name()) {
generate_implied_end_tags(token.tag_name());
if (node != current_node()) {
// It's a parse error
TODO();
PARSE_ERROR();
}
while (&current_node() != node) {
m_stack_of_open_elements.pop();