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LibWeb: Implement enough parsing to parse the HTML spec front page :^)

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We can now actually open http://html.spec.whatwg.org/ in Browser.
This commit is contained in:
Andreas Kling 2020-05-30 13:07:47 +02:00
parent 7f22e2a3c4
commit f662b1ea37
Notes: sideshowbarker 2024-07-19 05:57:13 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/f662b1ea37e
1 changed files with 88 additions and 5 deletions
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93
Libraries/LibWeb/Parser/HTMLDocumentParser.cpp
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@ -853,7 +853,23 @@ void HTMLDocumentParser::handle_in_body(HTMLToken& token)
}
if (token.is_start_tag() && token.tag_name().is_one_of("pre", "listing")) {
TODO();
if (m_stack_of_open_elements.has_in_button_scope("p"))
close_a_p_element();
insert_html_element(token);
m_frameset_ok = false;
// If the next token is a U+000A LINE FEED (LF) character token,
// then ignore that token and move on to the next one.
// (Newlines at the start of pre blocks are ignored as an authoring convenience.)
auto next_token = m_tokenizer.next_token();
if (next_token.has_value() && next_token.value().is_character() && next_token.value().codepoint() == '\n') {
// Ignore it.
} else {
process_using_the_rules_for(m_insertion_mode, next_token.value());
}
return;
}
if (token.is_start_tag() && token.tag_name() == "form") {
@ -896,7 +912,32 @@ void HTMLDocumentParser::handle_in_body(HTMLToken& token)
}
if (token.is_start_tag() && token.tag_name().is_one_of("dd", "dt")) {
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() == "dd") {
generate_implied_end_tags("dd");
if (current_node().tag_name() != "dd") {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped("dd");
break;
}
if (node->tag_name() == "dt") {
generate_implied_end_tags("dt");
if (current_node().tag_name() != "dt") {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped("dt");
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() == "plaintext") {
@ -1317,7 +1358,39 @@ void HTMLDocumentParser::handle_in_row(HTMLToken& token)
return;
}
TODO();
if (token.is_start_tag() && token.tag_name().is_one_of("caption", "col", "colgroup", "tbody", "tfoot", "thead", "tr")) {
if (m_stack_of_open_elements.has_in_table_scope("tr")) {
PARSE_ERROR();
return;
}
clear_the_stack_back_to_a_table_row_context();
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::InTableBody;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of("tbody", "tfoot", "thead")) {
if (!m_stack_of_open_elements.has_in_table_scope(token.tag_name())) {
PARSE_ERROR();
return;
}
if (!m_stack_of_open_elements.has_in_table_scope("tr")) {
return;
}
clear_the_stack_back_to_a_table_row_context();
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::InTableBody;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of("body", "caption", "col", "colgroup", "html", "td", "th")) {
PARSE_ERROR();
return;
}
process_using_the_rules_for(InsertionMode::InTable, token);
}
void HTMLDocumentParser::close_the_cell()
@ -1369,7 +1442,14 @@ void HTMLDocumentParser::handle_in_cell(HTMLToken& token)
}
if (token.is_end_tag() && token.tag_name().is_one_of("table", "tbody", "tfoot", "thead", "tr")) {
TODO();
if (m_stack_of_open_elements.has_in_table_scope(token.tag_name())) {
PARSE_ERROR();
return;
}
close_the_cell();
// Reprocess the token.
process_using_the_rules_for(m_insertion_mode, token);
return;
}
process_using_the_rules_for(InsertionMode::InBody, token);
@ -1420,7 +1500,10 @@ void HTMLDocumentParser::handle_in_table(HTMLToken& token)
TODO();
}
if (token.is_start_tag() && token.tag_name().is_one_of("tbody", "tfoot", "thead")) {
TODO();
clear_the_stack_back_to_a_table_context();
insert_html_element(token);
m_insertion_mode = InsertionMode::InTableBody;
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of("td", "th", "tr")) {
clear_the_stack_back_to_a_table_context();