0ct0pu5/ladybird
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 2
ladybird/Libraries/LibWeb/Parser/HTMLDocumentParser.cpp

2183 lines
78 KiB
C++
Raw Blame History

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//#define PARSER_DEBUG
#include <AK/Utf32View.h>
#include <LibWeb/DOM/Comment.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/DocumentType.h>
#include <LibWeb/DOM/ElementFactory.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/HTMLFormElement.h>
#include <LibWeb/DOM/HTMLHeadElement.h>
#include <LibWeb/DOM/HTMLScriptElement.h>
#include <LibWeb/DOM/Text.h>
#include <LibWeb/Parser/HTMLDocumentParser.h>
#include <LibWeb/Parser/HTMLToken.h>
#define PARSE_ERROR() \
do { \
dbg() << "Parse error! " << __PRETTY_FUNCTION__ << " @ " << __LINE__; \
} while (0)
namespace Web {
HTMLDocumentParser::HTMLDocumentParser(const StringView& input, const String& encoding)
: m_tokenizer(input, encoding)
{
}
HTMLDocumentParser::~HTMLDocumentParser()
{
}
void HTMLDocumentParser::run(const URL& url)
{
m_document = adopt(*new Document);
m_document->set_url(url);
m_document->set_source(m_tokenizer.source());
for (;;) {
auto optional_token = m_tokenizer.next_token();
if (!optional_token.has_value())
break;
auto& token = optional_token.value();
#ifdef PARSER_DEBUG
dbg() << "[" << insertion_mode_name() << "] " << token.to_string();
#endif
process_using_the_rules_for(m_insertion_mode, token);
if (m_stop_parsing) {
dbg() << "Stop parsing! :^)";
break;
}
}
flush_character_insertions();
// "The end"
auto scripts_to_execute_when_parsing_has_finished = m_document->take_scripts_to_execute_when_parsing_has_finished({});
for (auto& script : scripts_to_execute_when_parsing_has_finished) {
script.execute_script();
}
m_document->dispatch_event(Event::create("DOMContentLoaded"));
auto scripts_to_execute_as_soon_as_possible = m_document->take_scripts_to_execute_as_soon_as_possible({});
for (auto& script : scripts_to_execute_as_soon_as_possible) {
script.execute_script();
}
}
void HTMLDocumentParser::process_using_the_rules_for(InsertionMode mode, HTMLToken& token)
{
switch (mode) {
case InsertionMode::Initial:
handle_initial(token);
break;
case InsertionMode::BeforeHTML:
handle_before_html(token);
break;
case InsertionMode::BeforeHead:
handle_before_head(token);
break;
case InsertionMode::InHead:
handle_in_head(token);
break;
case InsertionMode::InHeadNoscript:
handle_in_head_noscript(token);
break;
case InsertionMode::AfterHead:
handle_after_head(token);
break;
case InsertionMode::InBody:
handle_in_body(token);
break;
case InsertionMode::AfterBody:
handle_after_body(token);
break;
case InsertionMode::AfterAfterBody:
handle_after_after_body(token);
break;
case InsertionMode::Text:
handle_text(token);
break;
case InsertionMode::InTable:
handle_in_table(token);
break;
case InsertionMode::InTableBody:
handle_in_table_body(token);
break;
case InsertionMode::InRow:
handle_in_row(token);
break;
case InsertionMode::InCell:
handle_in_cell(token);
break;
case InsertionMode::InTableText:
handle_in_table_text(token);
break;
case InsertionMode::InSelectInTable:
handle_in_select_in_table(token);
break;
case InsertionMode::InSelect:
handle_in_select(token);
break;
case InsertionMode::InCaption:
handle_in_caption(token);
break;
case InsertionMode::InColumnGroup:
handle_in_column_group(token);
break;
default:
ASSERT_NOT_REACHED();
}
}
void HTMLDocumentParser::handle_initial(HTMLToken& token)
{
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));
document().set_quirks_mode(token.m_doctype.force_quirks);
m_insertion_mode = InsertionMode::BeforeHTML;
return;
}
PARSE_ERROR();
document().set_quirks_mode(true);
m_insertion_mode = InsertionMode::BeforeHTML;
process_using_the_rules_for(InsertionMode::BeforeHTML, 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;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::html) {
auto element = create_element_for(token);
document().append_child(element);
m_stack_of_open_elements.push(move(element));
m_insertion_mode = InsertionMode::BeforeHead;
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::head, HTML::TagNames::body, HTML::TagNames::html, HTML::TagNames::br)) {
goto AnythingElse;
}
if (token.is_end_tag()) {
PARSE_ERROR();
return;
}
AnythingElse:
auto element = create_element(document(), HTML::TagNames::html);
document().append_child(element);
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()
{
return m_stack_of_open_elements.current_node();
}
Element& HTMLDocumentParser::node_before_current_node()
{
return m_stack_of_open_elements.elements().at(m_stack_of_open_elements.elements().size() - 2);
}
RefPtr<Node> HTMLDocumentParser::find_appropriate_place_for_inserting_node()
{
auto& target = current_node();
if (m_foster_parenting) {
TODO();
}
return target;
}
NonnullRefPtr<Element> HTMLDocumentParser::create_element_for(HTMLToken& token)
{
auto element = create_element(document(), token.tag_name());
for (auto& attribute : token.m_tag.attributes) {
element->set_attribute(attribute.name_builder.to_string(), attribute.value_builder.to_string());
}
return element;
}
RefPtr<Element> HTMLDocumentParser::insert_html_element(HTMLToken& token)
{
auto adjusted_insertion_location = find_appropriate_place_for_inserting_node();
auto element = create_element_for(token);
// FIXME: Check if it's possible to insert `element` at `adjusted_insertion_location`
adjusted_insertion_location->append_child(element);
m_stack_of_open_elements.push(element);
return element;
}
void HTMLDocumentParser::handle_before_head(HTMLToken& token)
{
if (token.is_character() && token.is_parser_whitespace()) {
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::TagNames::html) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::head) {
auto element = insert_html_element(token);
m_head_element = to<HTMLHeadElement>(element);
m_insertion_mode = InsertionMode::InHead;
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::head, HTML::TagNames::body, HTML::TagNames::html, HTML::TagNames::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(HTML::TagNames::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)
{
auto data = token.m_comment_or_character.data.to_string();
auto adjusted_insertion_location = find_appropriate_place_for_inserting_node();
adjusted_insertion_location->append_child(adopt(*new Comment(document(), data)));
}
void HTMLDocumentParser::handle_in_head(HTMLToken& token)
{
if (token.is_parser_whitespace()) {
insert_character(token.codepoint());
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::TagNames::html) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::base, HTML::TagNames::basefont, HTML::TagNames::bgsound, HTML::TagNames::link)) {
insert_html_element(token);
m_stack_of_open_elements.pop();
token.acknowledge_self_closing_flag_if_set();
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::meta) {
auto element = insert_html_element(token);
m_stack_of_open_elements.pop();
token.acknowledge_self_closing_flag_if_set();
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::title) {
insert_html_element(token);
m_tokenizer.switch_to({}, HTMLTokenizer::State::RCDATA);
m_original_insertion_mode = m_insertion_mode;
m_insertion_mode = InsertionMode::Text;
return;
}
if (token.is_start_tag() && ((token.tag_name() == HTML::TagNames::noscript && m_scripting_enabled) || token.tag_name() == HTML::TagNames::noframes || token.tag_name() == HTML::TagNames::style)) {
parse_generic_raw_text_element(token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::script) {
auto adjusted_insertion_location = find_appropriate_place_for_inserting_node();
auto element = create_element_for(token);
auto& script_element = to<HTMLScriptElement>(*element);
script_element.set_parser_document({}, document());
script_element.set_non_blocking({}, false);
if (m_parsing_fragment) {
TODO();
}
if (m_invoked_via_document_write) {
TODO();
}
adjusted_insertion_location->append_child(element, false);
m_stack_of_open_elements.push(element);
m_tokenizer.switch_to({}, HTMLTokenizer::State::ScriptData);
m_original_insertion_mode = m_insertion_mode;
m_insertion_mode = InsertionMode::Text;
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::head) {
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::AfterHead;
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::body, HTML::TagNames::html, HTML::TagNames::br)) {
TODO();
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::template_) {
// FIXME: Support this properly
insert_html_element(token);
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::template_) {
// FIXME: Support this properly
ASSERT(current_node().tag_name() == HTML::TagNames::template_);
m_stack_of_open_elements.pop();
return;
}
if ((token.is_start_tag() && token.tag_name() == HTML::TagNames::head) || token.is_end_tag()) {
PARSE_ERROR();
return;
}
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::AfterHead;
process_using_the_rules_for(m_insertion_mode, token);
}
void HTMLDocumentParser::handle_in_head_noscript(HTMLToken&)
{
TODO();
}
void HTMLDocumentParser::parse_generic_raw_text_element(HTMLToken& token)
{
insert_html_element(token);
m_tokenizer.switch_to({}, HTMLTokenizer::State::RAWTEXT);
m_original_insertion_mode = m_insertion_mode;
m_insertion_mode = InsertionMode::Text;
}
Text* HTMLDocumentParser::find_character_insertion_node()
{
auto adjusted_insertion_location = find_appropriate_place_for_inserting_node();
if (adjusted_insertion_location->is_document())
return nullptr;
if (adjusted_insertion_location->last_child() && adjusted_insertion_location->last_child()->is_text())
return to<Text>(adjusted_insertion_location->last_child());
auto new_text_node = adopt(*new Text(document(), ""));
adjusted_insertion_location->append_child(new_text_node);
return new_text_node;
}
void HTMLDocumentParser::flush_character_insertions()
{
if (m_character_insertion_builder.is_empty())
return;
m_character_insertion_node->set_data(m_character_insertion_builder.to_string());
m_character_insertion_node->parent()->children_changed();
m_character_insertion_builder.clear();
}
void HTMLDocumentParser::insert_character(u32 data)
{
auto node = find_character_insertion_node();
if (node == m_character_insertion_node) {
m_character_insertion_builder.append(Utf32View { &data, 1 });
return;
}
if (!m_character_insertion_node) {
m_character_insertion_node = node;
m_character_insertion_builder.append(Utf32View { &data, 1 });
return;
}
flush_character_insertions();
m_character_insertion_node = node;
m_character_insertion_builder.append(Utf32View { &data, 1 });
}
void HTMLDocumentParser::handle_after_head(HTMLToken& token)
{
if (token.is_character() && token.is_parser_whitespace()) {
insert_character(token.codepoint());
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::TagNames::html) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::body) {
insert_html_element(token);
m_frameset_ok = false;
m_insertion_mode = InsertionMode::InBody;
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::frameset) {
insert_html_element(token);
m_insertion_mode = InsertionMode::InFrameset;
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::base, HTML::TagNames::basefont, HTML::TagNames::bgsound, HTML::TagNames::link, HTML::TagNames::meta, HTML::TagNames::noframes, HTML::TagNames::script, HTML::TagNames::style, HTML::TagNames::template_, HTML::TagNames::title)) {
PARSE_ERROR();
m_stack_of_open_elements.push(*m_head_element);
process_using_the_rules_for(InsertionMode::InHead, token);
m_stack_of_open_elements.elements().remove_first_matching([&](auto& entry) {
return entry.ptr() == m_head_element;
});
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::template_) {
TODO();
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::body, HTML::TagNames::html, HTML::TagNames::br)) {
goto AnythingElse;
}
if ((token.is_start_tag() && token.tag_name() == HTML::TagNames::head) || token.is_end_tag()) {
PARSE_ERROR();
return;
}
AnythingElse:
HTMLToken fake_body_token;
fake_body_token.m_type = HTMLToken::Type::StartTag;
fake_body_token.m_tag.tag_name.append(HTML::TagNames::body);
insert_html_element(fake_body_token);
m_insertion_mode = InsertionMode::InBody;
process_using_the_rules_for(m_insertion_mode, token);
}
void HTMLDocumentParser::generate_implied_end_tags(const FlyString& exception)
{
while (current_node().tag_name() != exception && current_node().tag_name().is_one_of(HTML::TagNames::dd, HTML::TagNames::dt, HTML::TagNames::li, HTML::TagNames::optgroup, HTML::TagNames::option, HTML::TagNames::p, HTML::TagNames::rb, HTML::TagNames::rp, HTML::TagNames::rt, HTML::TagNames::rtc))
m_stack_of_open_elements.pop();
}
void HTMLDocumentParser::close_a_p_element()
{
generate_implied_end_tags(HTML::TagNames::p);
if (current_node().tag_name() != HTML::TagNames::p) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::p);
}
void HTMLDocumentParser::handle_after_body(HTMLToken& token)
{
if (token.is_character() && token.is_parser_whitespace()) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_comment()) {
TODO();
}
if (token.is_doctype()) {
PARSE_ERROR();
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::html) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_end_of_file()) {
stop_parsing();
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::html) {
if (m_parsing_fragment) {
TODO();
}
m_insertion_mode = InsertionMode::AfterAfterBody;
return;
}
PARSE_ERROR();
m_insertion_mode = InsertionMode::InBody;
process_using_the_rules_for(InsertionMode::InBody, token);
}
void HTMLDocumentParser::handle_after_after_body(HTMLToken& token)
{
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() || token.is_parser_whitespace() || (token.is_start_tag() && token.tag_name() == HTML::TagNames::html)) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_end_of_file()) {
stop_parsing();
return;
}
PARSE_ERROR();
m_insertion_mode = InsertionMode::InBody;
process_using_the_rules_for(m_insertion_mode, token);
}
void HTMLDocumentParser::reconstruct_the_active_formatting_elements()
{
// FIXME: This needs to care about "markers"
if (m_list_of_active_formatting_elements.is_empty())
return;
if (m_list_of_active_formatting_elements.entries().last().is_marker())
return;
if (m_stack_of_open_elements.contains(*m_list_of_active_formatting_elements.entries().last().element))
return;
ssize_t index = m_list_of_active_formatting_elements.entries().size() - 1;
RefPtr<Element> entry = m_list_of_active_formatting_elements.entries().at(index).element;
ASSERT(entry);
Rewind:
if (index == 0) {
goto Create;
}
--index;
entry = m_list_of_active_formatting_elements.entries().at(index).element;
ASSERT(entry);
if (!m_stack_of_open_elements.contains(*entry))
goto Rewind;
Advance:
++index;
entry = m_list_of_active_formatting_elements.entries().at(index).element;
ASSERT(entry);
Create:
// FIXME: Hold on to the real token!
HTMLToken fake_token;
fake_token.m_type = HTMLToken::Type::StartTag;
fake_token.m_tag.tag_name.append(entry->tag_name());
auto new_element = insert_html_element(fake_token);
m_list_of_active_formatting_elements.entries().at(index).element = *new_element;
if (index != (ssize_t)m_list_of_active_formatting_elements.entries().size() - 1)
goto Advance;
}
HTMLDocumentParser::AdoptionAgencyAlgorithmOutcome HTMLDocumentParser::run_the_adoption_agency_algorithm(HTMLToken& token)
{
auto subject = token.tag_name();
// If the current node is an HTML element whose tag name is subject,
// and the current node is not in the list of active formatting elements,
// then pop the current node off the stack of open elements, and return.
if (current_node().tag_name() == subject && !m_list_of_active_formatting_elements.contains(current_node())) {
m_stack_of_open_elements.pop();
return AdoptionAgencyAlgorithmOutcome::DoNothing;
}
size_t outer_loop_counter = 0;
//OuterLoop:
if (outer_loop_counter >= 8)
return AdoptionAgencyAlgorithmOutcome::DoNothing;
++outer_loop_counter;
auto formatting_element = m_list_of_active_formatting_elements.last_element_with_tag_name_before_marker(subject);
if (!formatting_element)
return AdoptionAgencyAlgorithmOutcome::RunAnyOtherEndTagSteps;
if (!m_stack_of_open_elements.contains(*formatting_element)) {
PARSE_ERROR();
// FIXME: If formatting element is not in the stack of open elements,
// then this is a parse error; remove the element from the list, and return.
TODO();
}
if (!m_stack_of_open_elements.has_in_scope(*formatting_element)) {
PARSE_ERROR();
return AdoptionAgencyAlgorithmOutcome::DoNothing;
}
if (formatting_element != &current_node()) {
PARSE_ERROR();
}
RefPtr<Element> furthest_block = m_stack_of_open_elements.topmost_special_node_below(*formatting_element);
if (!furthest_block) {
while (&current_node() != formatting_element)
m_stack_of_open_elements.pop();
m_stack_of_open_elements.pop();
m_list_of_active_formatting_elements.remove(*formatting_element);
return AdoptionAgencyAlgorithmOutcome::DoNothing;
}
// FIXME: Implement the rest of the AAA :^)
TODO();
}
bool HTMLDocumentParser::is_special_tag(const FlyString& tag_name)
{
return tag_name.is_one_of(
HTML::TagNames::address,
HTML::TagNames::applet,
HTML::TagNames::area,
HTML::TagNames::article,
HTML::TagNames::aside,
HTML::TagNames::base,
HTML::TagNames::basefont,
HTML::TagNames::bgsound,
HTML::TagNames::blockquote,
HTML::TagNames::body,
HTML::TagNames::br,
HTML::TagNames::button,
HTML::TagNames::caption,
HTML::TagNames::center,
HTML::TagNames::col,
HTML::TagNames::colgroup,
HTML::TagNames::dd,
HTML::TagNames::details,
HTML::TagNames::dir,
HTML::TagNames::div,
HTML::TagNames::dl,
HTML::TagNames::dt,
HTML::TagNames::embed,
HTML::TagNames::fieldset,
HTML::TagNames::figcaption,
HTML::TagNames::figure,
HTML::TagNames::footer,
HTML::TagNames::form,
HTML::TagNames::frame,
HTML::TagNames::frameset,
HTML::TagNames::h1,
HTML::TagNames::h2,
HTML::TagNames::h3,
HTML::TagNames::h4,
HTML::TagNames::h5,
HTML::TagNames::h6,
HTML::TagNames::head,
HTML::TagNames::header,
HTML::TagNames::hgroup,
HTML::TagNames::hr,
HTML::TagNames::html,
HTML::TagNames::iframe,
HTML::TagNames::img,
HTML::TagNames::input,
HTML::TagNames::keygen,
HTML::TagNames::li,
HTML::TagNames::link,
HTML::TagNames::listing,
HTML::TagNames::main,
HTML::TagNames::marquee,
HTML::TagNames::menu,
HTML::TagNames::meta,
HTML::TagNames::nav,
HTML::TagNames::noembed,
HTML::TagNames::noframes,
HTML::TagNames::noscript,
HTML::TagNames::object,
HTML::TagNames::ol,
HTML::TagNames::p,
HTML::TagNames::param,
HTML::TagNames::plaintext,
HTML::TagNames::pre,
HTML::TagNames::script,
HTML::TagNames::section,
HTML::TagNames::select,
HTML::TagNames::source,
HTML::TagNames::style,
HTML::TagNames::summary,
HTML::TagNames::table,
HTML::TagNames::tbody,
HTML::TagNames::td,
HTML::TagNames::template_,
HTML::TagNames::textarea,
HTML::TagNames::tfoot,
HTML::TagNames::th,
HTML::TagNames::thead,
HTML::TagNames::title,
HTML::TagNames::tr,
HTML::TagNames::track,
HTML::TagNames::ul,
HTML::TagNames::wbr,
HTML::TagNames::xmp);
}
void HTMLDocumentParser::handle_in_body(HTMLToken& token)
{
if (token.is_character()) {
if (token.codepoint() == 0) {
PARSE_ERROR();
return;
}
if (token.is_parser_whitespace()) {
reconstruct_the_active_formatting_elements();
insert_character(token.codepoint());
return;
}
reconstruct_the_active_formatting_elements();
insert_character(token.codepoint());
m_frameset_ok = false;
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::TagNames::html) {
PARSE_ERROR();
if (m_stack_of_open_elements.contains(HTML::TagNames::template_))
return;
for (auto& attribute : token.m_tag.attributes) {
if (current_node().has_attribute(attribute.name_builder.string_view()))
continue;
current_node().set_attribute(attribute.name_builder.to_string(), attribute.value_builder.to_string());
}
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::base, HTML::TagNames::basefont, HTML::TagNames::bgsound, HTML::TagNames::link, HTML::TagNames::meta, HTML::TagNames::noframes, HTML::TagNames::script, HTML::TagNames::style, HTML::TagNames::template_, HTML::TagNames::title)) {
process_using_the_rules_for(InsertionMode::InHead, token);
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::template_) {
process_using_the_rules_for(InsertionMode::InHead, token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::body) {
PARSE_ERROR();
if (m_stack_of_open_elements.elements().size() == 1
|| node_before_current_node().tag_name() != HTML::TagNames::body
|| m_stack_of_open_elements.contains(HTML::TagNames::template_)) {
return;
}
m_frameset_ok = false;
for (auto& attribute : token.m_tag.attributes) {
if (node_before_current_node().has_attribute(attribute.name_builder.string_view()))
continue;
node_before_current_node().set_attribute(attribute.name_builder.to_string(), attribute.value_builder.to_string());
}
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::frameset) {
TODO();
}
if (token.is_end_of_file()) {
// FIXME: If the stack of template insertion modes is not empty,
// then process the token using the rules for the "in template" insertion mode.
// FIXME: If there is a node in the stack of open elements that is not either
// a dd element, a dt element, an li element, an optgroup element, an option element,
// a p element, an rb element, an rp element, an rt element, an rtc element,
// a tbody element, a td element, a tfoot element, a th element, a thead element,
// a tr element, the body element, or the html element, then this is a parse error.
stop_parsing();
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::body) {
if (!m_stack_of_open_elements.has_in_scope(HTML::TagNames::body)) {
PARSE_ERROR();
return;
}
for (auto& node : m_stack_of_open_elements.elements()) {
if (!node.tag_name().is_one_of(HTML::TagNames::dd, HTML::TagNames::dt, HTML::TagNames::li, HTML::TagNames::optgroup, HTML::TagNames::option, HTML::TagNames::p, HTML::TagNames::rb, HTML::TagNames::rp, HTML::TagNames::rt, HTML::TagNames::rtc, HTML::TagNames::tbody, HTML::TagNames::td, HTML::TagNames::tfoot, HTML::TagNames::th, HTML::TagNames::thead, HTML::TagNames::tr, HTML::TagNames::body, HTML::TagNames::html)) {
PARSE_ERROR();
break;
}
}
m_insertion_mode = InsertionMode::AfterBody;
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::html) {
if (!m_stack_of_open_elements.has_in_scope(HTML::TagNames::body)) {
PARSE_ERROR();
return;
}
for (auto& node : m_stack_of_open_elements.elements()) {
if (!node.tag_name().is_one_of(HTML::TagNames::dd, HTML::TagNames::dt, HTML::TagNames::li, HTML::TagNames::optgroup, HTML::TagNames::option, HTML::TagNames::p, HTML::TagNames::rb, HTML::TagNames::rp, HTML::TagNames::rt, HTML::TagNames::rtc, HTML::TagNames::tbody, HTML::TagNames::td, HTML::TagNames::tfoot, HTML::TagNames::th, HTML::TagNames::thead, HTML::TagNames::tr, HTML::TagNames::body, HTML::TagNames::html)) {
PARSE_ERROR();
break;
}
}
m_insertion_mode = InsertionMode::AfterBody;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::address, HTML::TagNames::article, HTML::TagNames::aside, HTML::TagNames::blockquote, HTML::TagNames::center, HTML::TagNames::details, HTML::TagNames::dialog, HTML::TagNames::dir, HTML::TagNames::div, HTML::TagNames::dl, HTML::TagNames::fieldset, HTML::TagNames::figcaption, HTML::TagNames::figure, HTML::TagNames::footer, HTML::TagNames::header, HTML::TagNames::hgroup, HTML::TagNames::main, HTML::TagNames::menu, HTML::TagNames::nav, HTML::TagNames::ol, HTML::TagNames::p, HTML::TagNames::section, HTML::TagNames::summary, HTML::TagNames::ul)) {
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p))
close_a_p_element();
insert_html_element(token);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::h1, HTML::TagNames::h2, HTML::TagNames::h3, HTML::TagNames::h4, HTML::TagNames::h5, HTML::TagNames::h6)) {
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p))
close_a_p_element();
if (current_node().tag_name().is_one_of(HTML::TagNames::h1, HTML::TagNames::h2, HTML::TagNames::h3, HTML::TagNames::h4, HTML::TagNames::h5, HTML::TagNames::h6)) {
PARSE_ERROR();
m_stack_of_open_elements.pop();
}
insert_html_element(token);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::pre, HTML::TagNames::listing)) {
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::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() == HTML::TagNames::form) {
if (m_form_element && !m_stack_of_open_elements.contains(HTML::TagNames::template_)) {
PARSE_ERROR();
return;
}
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p))
close_a_p_element();
auto element = insert_html_element(token);
if (!m_stack_of_open_elements.contains(HTML::TagNames::template_))
m_form_element = to<HTMLFormElement>(*element);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::li) {
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() == HTML::TagNames::li) {
generate_implied_end_tags(HTML::TagNames::li);
if (current_node().tag_name() != HTML::TagNames::li) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::li);
break;
}
if (is_special_tag(node->tag_name()) && !node->tag_name().is_one_of(HTML::TagNames::address, HTML::TagNames::div, HTML::TagNames::p))
break;
}
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p))
close_a_p_element();
insert_html_element(token);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::dd, HTML::TagNames::dt)) {
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() == HTML::TagNames::dd) {
generate_implied_end_tags(HTML::TagNames::dd);
if (current_node().tag_name() != HTML::TagNames::dd) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::dd);
break;
}
if (node->tag_name() == HTML::TagNames::dt) {
generate_implied_end_tags(HTML::TagNames::dt);
if (current_node().tag_name() != HTML::TagNames::dt) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::dt);
break;
}
if (is_special_tag(node->tag_name()) && !node->tag_name().is_one_of(HTML::TagNames::address, HTML::TagNames::div, HTML::TagNames::p))
break;
}
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p))
close_a_p_element();
insert_html_element(token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::plaintext) {
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p))
close_a_p_element();
insert_html_element(token);
m_tokenizer.switch_to({}, HTMLTokenizer::State::PLAINTEXT);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::button) {
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::button)) {
PARSE_ERROR();
generate_implied_end_tags();
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::button);
}
reconstruct_the_active_formatting_elements();
insert_html_element(token);
m_frameset_ok = false;
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::address, HTML::TagNames::article, HTML::TagNames::aside, HTML::TagNames::blockquote, HTML::TagNames::button, HTML::TagNames::center, HTML::TagNames::details, HTML::TagNames::dialog, HTML::TagNames::dir, HTML::TagNames::div, HTML::TagNames::dl, HTML::TagNames::fieldset, HTML::TagNames::figcaption, HTML::TagNames::figure, HTML::TagNames::footer, HTML::TagNames::header, HTML::TagNames::hgroup, HTML::TagNames::listing, HTML::TagNames::main, HTML::TagNames::menu, HTML::TagNames::nav, HTML::TagNames::ol, HTML::TagNames::pre, HTML::TagNames::section, HTML::TagNames::summary, HTML::TagNames::ul)) {
if (!m_stack_of_open_elements.has_in_scope(token.tag_name())) {
PARSE_ERROR();
return;
}
generate_implied_end_tags();
if (current_node().tag_name() != token.tag_name()) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(token.tag_name());
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::form) {
if (!m_stack_of_open_elements.contains(HTML::TagNames::template_)) {
auto node = m_form_element;
m_form_element = nullptr;
if (!node || m_stack_of_open_elements.has_in_scope(*node)) {
PARSE_ERROR();
return;
}
generate_implied_end_tags();
if (&current_node() != node) {
PARSE_ERROR();
}
m_stack_of_open_elements.elements().remove_first_matching([&](auto& entry) { return entry.ptr() == node.ptr(); });
} else {
if (!m_stack_of_open_elements.has_in_scope(HTML::TagNames::form)) {
PARSE_ERROR();
return;
}
generate_implied_end_tags();
if (current_node().tag_name() != HTML::TagNames::form) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::form);
}
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::p) {
if (!m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p)) {
PARSE_ERROR();
HTMLToken fake_p_token;
fake_p_token.m_type = HTMLToken::Type::StartTag;
fake_p_token.m_tag.tag_name.append(HTML::TagNames::p);
insert_html_element(fake_p_token);
}
close_a_p_element();
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::li) {
if (!m_stack_of_open_elements.has_in_list_item_scope(HTML::TagNames::li)) {
PARSE_ERROR();
return;
}
generate_implied_end_tags(HTML::TagNames::li);
if (current_node().tag_name() != HTML::TagNames::li) {
PARSE_ERROR();
dbg() << "Expected <li> current node, but had <" << current_node().tag_name() << ">";
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::li);
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::dd, HTML::TagNames::dt)) {
if (!m_stack_of_open_elements.has_in_scope(token.tag_name())) {
PARSE_ERROR();
return;
}
generate_implied_end_tags(token.tag_name());
if (current_node().tag_name() != token.tag_name()) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(token.tag_name());
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::h1, HTML::TagNames::h2, HTML::TagNames::h3, HTML::TagNames::h4, HTML::TagNames::h5, HTML::TagNames::h6)) {
if (!m_stack_of_open_elements.has_in_scope(HTML::TagNames::h1)
&& !m_stack_of_open_elements.has_in_scope(HTML::TagNames::h2)
&& !m_stack_of_open_elements.has_in_scope(HTML::TagNames::h3)
&& !m_stack_of_open_elements.has_in_scope(HTML::TagNames::h4)
&& !m_stack_of_open_elements.has_in_scope(HTML::TagNames::h5)
&& !m_stack_of_open_elements.has_in_scope(HTML::TagNames::h6)) {
PARSE_ERROR();
return;
}
generate_implied_end_tags();
if (current_node().tag_name() != token.tag_name()) {
PARSE_ERROR();
}
for (;;) {
auto popped_element = m_stack_of_open_elements.pop();
if (popped_element->tag_name().is_one_of(HTML::TagNames::h1, HTML::TagNames::h2, HTML::TagNames::h3, HTML::TagNames::h4, HTML::TagNames::h5, HTML::TagNames::h6))
break;
}
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::a) {
if (auto* element = m_list_of_active_formatting_elements.last_element_with_tag_name_before_marker(HTML::TagNames::a)) {
PARSE_ERROR();
if (run_the_adoption_agency_algorithm(token) == AdoptionAgencyAlgorithmOutcome::RunAnyOtherEndTagSteps)
goto AnyOtherEndTag;
m_list_of_active_formatting_elements.remove(*element);
m_stack_of_open_elements.elements().remove_first_matching([&](auto& entry) {
return entry.ptr() == element;
});
}
reconstruct_the_active_formatting_elements();
auto element = insert_html_element(token);
m_list_of_active_formatting_elements.add(*element);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::b, HTML::TagNames::big, HTML::TagNames::code, HTML::TagNames::em, HTML::TagNames::font, HTML::TagNames::i, HTML::TagNames::s, HTML::TagNames::small, HTML::TagNames::strike, HTML::TagNames::strong, HTML::TagNames::tt, HTML::TagNames::u)) {
reconstruct_the_active_formatting_elements();
auto element = insert_html_element(token);
m_list_of_active_formatting_elements.add(*element);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::nobr) {
reconstruct_the_active_formatting_elements();
if (m_stack_of_open_elements.has_in_scope(HTML::TagNames::nobr)) {
PARSE_ERROR();
run_the_adoption_agency_algorithm(token);
reconstruct_the_active_formatting_elements();
}
auto element = insert_html_element(token);
m_list_of_active_formatting_elements.add(*element);
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::a, HTML::TagNames::b, HTML::TagNames::big, HTML::TagNames::code, HTML::TagNames::em, HTML::TagNames::font, HTML::TagNames::i, HTML::TagNames::nobr, HTML::TagNames::s, HTML::TagNames::small, HTML::TagNames::strike, HTML::TagNames::strong, HTML::TagNames::tt, HTML::TagNames::u)) {
if (run_the_adoption_agency_algorithm(token) == AdoptionAgencyAlgorithmOutcome::RunAnyOtherEndTagSteps)
goto AnyOtherEndTag;
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::applet, HTML::TagNames::marquee, HTML::TagNames::object)) {
reconstruct_the_active_formatting_elements();
insert_html_element(token);
m_list_of_active_formatting_elements.add_marker();
m_frameset_ok = false;
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::applet, HTML::TagNames::marquee, HTML::TagNames::object)) {
if (!m_stack_of_open_elements.has_in_scope(token.tag_name())) {
PARSE_ERROR();
return;
}
generate_implied_end_tags();
if (current_node().tag_name() != token.tag_name()) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(token.tag_name());
m_list_of_active_formatting_elements.clear_up_to_the_last_marker();
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::table) {
if (!document().in_quirks_mode()) {
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p))
close_a_p_element();
}
insert_html_element(token);
m_frameset_ok = false;
m_insertion_mode = InsertionMode::InTable;
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::br) {
token.drop_attributes();
goto BRStartTag;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::area, HTML::TagNames::br, HTML::TagNames::embed, HTML::TagNames::img, HTML::TagNames::keygen, HTML::TagNames::wbr)) {
BRStartTag:
reconstruct_the_active_formatting_elements();
insert_html_element(token);
m_stack_of_open_elements.pop();
token.acknowledge_self_closing_flag_if_set();
m_frameset_ok = false;
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::input) {
reconstruct_the_active_formatting_elements();
insert_html_element(token);
m_stack_of_open_elements.pop();
token.acknowledge_self_closing_flag_if_set();
auto type_attribute = token.attribute(HTML::AttributeNames::type);
if (type_attribute.is_null() || !type_attribute.equals_ignoring_case("hidden")) {
m_frameset_ok = false;
}
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::param, HTML::TagNames::source, HTML::TagNames::track)) {
insert_html_element(token);
m_stack_of_open_elements.pop();
token.acknowledge_self_closing_flag_if_set();
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::hr) {
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p))
close_a_p_element();
insert_html_element(token);
m_stack_of_open_elements.pop();
token.acknowledge_self_closing_flag_if_set();
m_frameset_ok = false;
return;
}
if (token.is_start_tag() && token.tag_name().equals_ignoring_case("image")) {
// Parse error. Change the token's tag name to HTML::TagNames::img and reprocess it. (Don't ask.)
PARSE_ERROR();
token.m_tag.tag_name.clear();
token.m_tag.tag_name.append(HTML::TagNames::img);
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::textarea) {
insert_html_element(token);
m_tokenizer.switch_to({}, HTMLTokenizer::State::RCDATA);
// 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();
m_original_insertion_mode = m_insertion_mode;
m_frameset_ok = false;
m_insertion_mode = InsertionMode::Text;
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() == HTML::TagNames::xmp) {
if (m_stack_of_open_elements.has_in_button_scope(HTML::TagNames::p)) {
close_a_p_element();
}
reconstruct_the_active_formatting_elements();
m_frameset_ok = false;
parse_generic_raw_text_element(token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::iframe) {
m_frameset_ok = false;
parse_generic_raw_text_element(token);
return;
}
if (token.is_start_tag() && ((token.tag_name() == HTML::TagNames::noembed) || (token.tag_name() == HTML::TagNames::noscript && m_scripting_enabled))) {
parse_generic_raw_text_element(token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::select) {
reconstruct_the_active_formatting_elements();
insert_html_element(token);
m_frameset_ok = false;
switch (m_insertion_mode) {
case InsertionMode::InTable:
case InsertionMode::InCaption:
case InsertionMode::InTableBody:
case InsertionMode::InRow:
case InsertionMode::InCell:
m_insertion_mode = InsertionMode::InSelectInTable;
break;
default:
m_insertion_mode = InsertionMode::InSelect;
break;
}
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::optgroup, HTML::TagNames::option)) {
if (current_node().tag_name() == HTML::TagNames::option)
m_stack_of_open_elements.pop();
reconstruct_the_active_formatting_elements();
insert_html_element(token);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::rb, HTML::TagNames::rtc)) {
TODO();
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::rp, HTML::TagNames::rt)) {
TODO();
}
if (token.is_start_tag() && token.tag_name() == "math") {
dbg() << "<math> element encountered.";
reconstruct_the_active_formatting_elements();
insert_html_element(token);
return;
}
if (token.is_start_tag() && token.tag_name() == "svg") {
dbg() << "<svg> element encountered.";
reconstruct_the_active_formatting_elements();
insert_html_element(token);
return;
}
if ((token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::frame, HTML::TagNames::head, HTML::TagNames::tbody, HTML::TagNames::td, HTML::TagNames::tfoot, HTML::TagNames::th, HTML::TagNames::thead, HTML::TagNames::tr))) {
PARSE_ERROR();
return;
}
// Any other start tag
if (token.is_start_tag()) {
reconstruct_the_active_formatting_elements();
insert_html_element(token);
return;
}
if (token.is_end_tag()) {
AnyOtherEndTag:
RefPtr<Element> node;
for (ssize_t i = m_stack_of_open_elements.elements().size() - 1; i >= 0; --i) {
node = m_stack_of_open_elements.elements()[i];
if (node->tag_name() == token.tag_name()) {
generate_implied_end_tags(token.tag_name());
if (node != current_node()) {
PARSE_ERROR();
}
while (&current_node() != node) {
m_stack_of_open_elements.pop();
}
m_stack_of_open_elements.pop();
break;
}
if (is_special_tag(node->tag_name())) {
PARSE_ERROR();
return;
}
}
return;
}
TODO();
}
void HTMLDocumentParser::increment_script_nesting_level()
{
++m_script_nesting_level;
}
void HTMLDocumentParser::decrement_script_nesting_level()
{
ASSERT(m_script_nesting_level);
--m_script_nesting_level;
}
void HTMLDocumentParser::handle_text(HTMLToken& token)
{
if (token.is_character()) {
insert_character(token.codepoint());
return;
}
if (token.is_end_of_file()) {
PARSE_ERROR();
if (current_node().tag_name() == HTML::TagNames::script)
to<HTMLScriptElement>(current_node()).set_already_started({}, true);
m_stack_of_open_elements.pop();
m_insertion_mode = m_original_insertion_mode;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::script) {
NonnullRefPtr<HTMLScriptElement> script = to<HTMLScriptElement>(current_node());
m_stack_of_open_elements.pop();
m_insertion_mode = m_original_insertion_mode;
// FIXME: Handle tokenizer insertion point stuff here.
increment_script_nesting_level();
script->prepare_script({});
decrement_script_nesting_level();
if (script_nesting_level() == 0)
m_parser_pause_flag = false;
// FIXME: Handle tokenizer insertion point stuff here too.
while (document().pending_parsing_blocking_script()) {
if (script_nesting_level() != 0) {
m_parser_pause_flag = true;
// FIXME: Abort the processing of any nested invocations of the tokenizer,
// yielding control back to the caller. (Tokenization will resume when
// the caller returns to the "outer" tree construction stage.)
TODO();
} else {
auto the_script = document().take_pending_parsing_blocking_script({});
m_tokenizer.set_blocked(true);
// FIXME: If the parser's Document has a style sheet that is blocking scripts
// or the script's "ready to be parser-executed" flag is not set:
// spin the event loop until the parser's Document has no style sheet
// that is blocking scripts and the script's "ready to be parser-executed"
// flag is set.
if (the_script->failed_to_load())
return;
ASSERT(the_script->is_ready_to_be_parser_executed());
if (m_aborted)
return;
m_tokenizer.set_blocked(false);
// FIXME: Handle tokenizer insertion point stuff here too.
ASSERT(script_nesting_level() == 0);
increment_script_nesting_level();
the_script->execute_script();
decrement_script_nesting_level();
ASSERT(script_nesting_level() == 0);
m_parser_pause_flag = false;
// FIXME: Handle tokenizer insertion point stuff here too.
}
}
return;
}
if (token.is_end_tag()) {
m_stack_of_open_elements.pop();
m_insertion_mode = m_original_insertion_mode;
return;
}
TODO();
}
void HTMLDocumentParser::clear_the_stack_back_to_a_table_context()
{
while (!current_node().tag_name().is_one_of(HTML::TagNames::table, HTML::TagNames::template_, HTML::TagNames::html))
m_stack_of_open_elements.pop();
}
void HTMLDocumentParser::clear_the_stack_back_to_a_table_row_context()
{
while (!current_node().tag_name().is_one_of(HTML::TagNames::tr, HTML::TagNames::template_, HTML::TagNames::html))
m_stack_of_open_elements.pop();
}
void HTMLDocumentParser::clear_the_stack_back_to_a_table_body_context()
{
while (!current_node().tag_name().is_one_of(HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::thead, HTML::TagNames::template_, HTML::TagNames::html))
m_stack_of_open_elements.pop();
}
void HTMLDocumentParser::handle_in_row(HTMLToken& token)
{
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::th, HTML::TagNames::td)) {
clear_the_stack_back_to_a_table_row_context();
insert_html_element(token);
m_insertion_mode = InsertionMode::InCell;
m_list_of_active_formatting_elements.add_marker();
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::tr) {
if (!m_stack_of_open_elements.has_in_table_scope(HTML::TagNames::tr)) {
PARSE_ERROR();
return;
}
clear_the_stack_back_to_a_table_row_context();
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::InTableBody;
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::thead, HTML::TagNames::tr)) {
if (m_stack_of_open_elements.has_in_table_scope(HTML::TagNames::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(HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::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(HTML::TagNames::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(HTML::TagNames::body, HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::html, HTML::TagNames::td, HTML::TagNames::th)) {
PARSE_ERROR();
return;
}
process_using_the_rules_for(InsertionMode::InTable, token);
}
void HTMLDocumentParser::close_the_cell()
{
generate_implied_end_tags();
if (!current_node().tag_name().is_one_of(HTML::TagNames::td, HTML::TagNames::th)) {
PARSE_ERROR();
}
while (!current_node().tag_name().is_one_of(HTML::TagNames::td, HTML::TagNames::th))
m_stack_of_open_elements.pop();
m_stack_of_open_elements.pop();
m_list_of_active_formatting_elements.clear_up_to_the_last_marker();
m_insertion_mode = InsertionMode::InRow;
}
void HTMLDocumentParser::handle_in_cell(HTMLToken& token)
{
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::td, HTML::TagNames::th)) {
if (!m_stack_of_open_elements.has_in_table_scope(token.tag_name())) {
PARSE_ERROR();
return;
}
generate_implied_end_tags();
if (current_node().tag_name() != token.tag_name()) {
PARSE_ERROR();
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(token.tag_name());
m_list_of_active_formatting_elements.clear_up_to_the_last_marker();
m_insertion_mode = InsertionMode::InRow;
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::tbody, HTML::TagNames::td, HTML::TagNames::tfoot, HTML::TagNames::th, HTML::TagNames::thead, HTML::TagNames::tr)) {
if (!m_stack_of_open_elements.has_in_table_scope(HTML::TagNames::td) && m_stack_of_open_elements.has_in_table_scope(HTML::TagNames::th)) {
PARSE_ERROR();
return;
}
close_the_cell();
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::body, HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::html)) {
PARSE_ERROR();
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::table, HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::thead, HTML::TagNames::tr)) {
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);
}
void HTMLDocumentParser::handle_in_table_text(HTMLToken& token)
{
if (token.is_character()) {
if (token.codepoint() == 0) {
PARSE_ERROR();
return;
}
m_pending_table_character_tokens.append(token);
return;
}
for (auto& pending_token : m_pending_table_character_tokens) {
ASSERT(pending_token.is_character());
if (!pending_token.is_parser_whitespace()) {
// FIXME: If any of the tokens in the pending table character tokens list
// are character tokens that are not ASCII whitespace, then this is a parse error:
// reprocess the character tokens in the pending table character tokens list using
// the rules given in the "anything else" entry in the "in table" insertion mode.
TODO();
}
}
for (auto& pending_token : m_pending_table_character_tokens) {
insert_character(pending_token.codepoint());
}
m_insertion_mode = m_original_insertion_mode;
process_using_the_rules_for(m_insertion_mode, token);
}
void HTMLDocumentParser::handle_in_table_body(HTMLToken& token)
{
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::tr) {
clear_the_stack_back_to_a_table_body_context();
insert_html_element(token);
m_insertion_mode = InsertionMode::InRow;
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::th, HTML::TagNames::td)) {
PARSE_ERROR();
clear_the_stack_back_to_a_table_body_context();
HTMLToken fake_tr_token;
fake_tr_token.m_type = HTMLToken::Type::StartTag;
fake_tr_token.m_tag.tag_name.append(HTML::TagNames::tr);
insert_html_element(fake_tr_token);
m_insertion_mode = InsertionMode::InRow;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::thead)) {
if (!m_stack_of_open_elements.has_in_table_scope(token.tag_name())) {
PARSE_ERROR();
return;
}
clear_the_stack_back_to_a_table_body_context();
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::InTable;
return;
}
if ((token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::thead))
|| (token.is_end_tag() && token.tag_name() == HTML::TagNames::table)) {
// FIXME: If the stack of open elements does not have a tbody, thead, or tfoot element in table scope, this is a parse error; ignore the token.
clear_the_stack_back_to_a_table_body_context();
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::InTable;
process_using_the_rules_for(InsertionMode::InTable, token);
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::body, HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::html, HTML::TagNames::td, HTML::TagNames::th, HTML::TagNames::tr)) {
PARSE_ERROR();
return;
}
process_using_the_rules_for(InsertionMode::InTable, token);
}
void HTMLDocumentParser::handle_in_table(HTMLToken& token)
{
if (token.is_character() && current_node().tag_name().is_one_of(HTML::TagNames::table, HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::thead, HTML::TagNames::tr)) {
m_pending_table_character_tokens.clear();
m_original_insertion_mode = m_insertion_mode;
m_insertion_mode = InsertionMode::InTableText;
process_using_the_rules_for(InsertionMode::InTableText, 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::TagNames::caption) {
clear_the_stack_back_to_a_table_context();
m_list_of_active_formatting_elements.add_marker();
insert_html_element(token);
m_insertion_mode = InsertionMode::InCaption;
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::colgroup) {
clear_the_stack_back_to_a_table_context();
insert_html_element(token);
m_insertion_mode = InsertionMode::InColumnGroup;
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::col) {
clear_the_stack_back_to_a_table_context();
HTMLToken fake_colgroup_token;
fake_colgroup_token.m_type = HTMLToken::Type::StartTag;
fake_colgroup_token.m_tag.tag_name.append(HTML::TagNames::colgroup);
insert_html_element(fake_colgroup_token);
m_insertion_mode = InsertionMode::InColumnGroup;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::thead)) {
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(HTML::TagNames::td, HTML::TagNames::th, HTML::TagNames::tr)) {
clear_the_stack_back_to_a_table_context();
HTMLToken fake_tbody_token;
fake_tbody_token.m_type = HTMLToken::Type::StartTag;
fake_tbody_token.m_tag.tag_name.append(HTML::TagNames::tbody);
insert_html_element(fake_tbody_token);
m_insertion_mode = InsertionMode::InTableBody;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::table) {
PARSE_ERROR();
if (!m_stack_of_open_elements.has_in_table_scope(HTML::TagNames::table))
return;
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::table);
reset_the_insertion_mode_appropriately();
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::table) {
if (!m_stack_of_open_elements.has_in_table_scope(HTML::TagNames::table)) {
PARSE_ERROR();
return;
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::table);
reset_the_insertion_mode_appropriately();
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::body, HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::html, HTML::TagNames::tbody, HTML::TagNames::td, HTML::TagNames::tfoot, HTML::TagNames::th, HTML::TagNames::thead, HTML::TagNames::tr)) {
PARSE_ERROR();
return;
}
if ((token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::style, HTML::TagNames::script, HTML::TagNames::template_))
|| (token.is_end_tag() && token.tag_name() == HTML::TagNames::template_)) {
process_using_the_rules_for(InsertionMode::InHead, token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::input) {
auto type_attribute = token.attribute(HTML::AttributeNames::type);
if (type_attribute.is_null() || !type_attribute.equals_ignoring_case("hidden")) {
goto AnythingElse;
}
PARSE_ERROR();
insert_html_element(token);
// FIXME: Is this the correct interpretation of "Pop that input element off the stack of open elements."?
// Because this wording is the first time it's seen in the spec.
// Other times it's worded as: "Immediately pop the current node off the stack of open elements."
m_stack_of_open_elements.pop();
token.acknowledge_self_closing_flag_if_set();
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::form) {
PARSE_ERROR();
if (m_form_element || m_stack_of_open_elements.contains(HTML::TagNames::template_)) {
return;
}
m_form_element = to<HTMLFormElement>(insert_html_element(token));
// FIXME: See previous FIXME, as this is the same situation but for form.
m_stack_of_open_elements.pop();
return;
}
if (token.is_end_of_file()) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
AnythingElse:
PARSE_ERROR();
m_foster_parenting = true;
process_using_the_rules_for(InsertionMode::InBody, token);
m_foster_parenting = false;
}
void HTMLDocumentParser::handle_in_select_in_table(HTMLToken& token)
{
(void)token;
TODO();
}
void HTMLDocumentParser::handle_in_select(HTMLToken& token)
{
if (token.is_character()) {
if (token.codepoint() == 0) {
PARSE_ERROR();
return;
}
insert_character(token.codepoint());
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::TagNames::html) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::option) {
if (current_node().tag_name() == HTML::TagNames::option) {
m_stack_of_open_elements.pop();
}
insert_html_element(token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::optgroup) {
if (current_node().tag_name() == HTML::TagNames::option) {
m_stack_of_open_elements.pop();
}
if (current_node().tag_name() == HTML::TagNames::optgroup) {
m_stack_of_open_elements.pop();
}
insert_html_element(token);
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::optgroup) {
if (current_node().tag_name() == HTML::TagNames::option && node_before_current_node().tag_name() == HTML::TagNames::optgroup)
m_stack_of_open_elements.pop();
if (current_node().tag_name() == HTML::TagNames::optgroup) {
m_stack_of_open_elements.pop();
} else {
PARSE_ERROR();
return;
}
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::option) {
if (current_node().tag_name() == HTML::TagNames::option) {
m_stack_of_open_elements.pop();
} else {
PARSE_ERROR();
return;
}
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::select) {
if (!m_stack_of_open_elements.has_in_select_scope(HTML::TagNames::select)) {
PARSE_ERROR();
return;
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::select);
reset_the_insertion_mode_appropriately();
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::select) {
PARSE_ERROR();
if (!m_stack_of_open_elements.has_in_select_scope(HTML::TagNames::select))
return;
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::select);
reset_the_insertion_mode_appropriately();
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::input, HTML::TagNames::keygen, HTML::TagNames::textarea)) {
PARSE_ERROR();
if (!m_stack_of_open_elements.has_in_select_scope(HTML::TagNames::select)) {
return;
}
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::select);
reset_the_insertion_mode_appropriately();
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::script, HTML::TagNames::template_)) {
process_using_the_rules_for(InsertionMode::InHead, token);
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::template_) {
process_using_the_rules_for(InsertionMode::InHead, token);
return;
}
if (token.is_end_of_file()) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
PARSE_ERROR();
}
void HTMLDocumentParser::handle_in_caption(HTMLToken& token)
{
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::caption) {
if (!m_stack_of_open_elements.has_in_table_scope(HTML::TagNames::caption)) {
PARSE_ERROR();
return;
}
generate_implied_end_tags();
if (current_node().tag_name() != HTML::TagNames::caption)
PARSE_ERROR();
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::caption);
m_list_of_active_formatting_elements.clear_up_to_the_last_marker();
m_insertion_mode = InsertionMode::InTable;
return;
}
if ((token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::caption, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::tbody, HTML::TagNames::td, HTML::TagNames::tfoot, HTML::TagNames::th, HTML::TagNames::thead, HTML::TagNames::tr))
|| (token.is_end_tag() && token.tag_name() == HTML::TagNames::table)) {
if (!m_stack_of_open_elements.has_in_table_scope(HTML::TagNames::caption)) {
PARSE_ERROR();
return;
}
generate_implied_end_tags();
if (current_node().tag_name() != HTML::TagNames::caption)
PARSE_ERROR();
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::caption);
m_list_of_active_formatting_elements.clear_up_to_the_last_marker();
m_insertion_mode = InsertionMode::InTable;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
if (token.is_end_tag() && token.tag_name().is_one_of(HTML::TagNames::body, HTML::TagNames::col, HTML::TagNames::colgroup, HTML::TagNames::html, HTML::TagNames::tbody, HTML::TagNames::td, HTML::TagNames::tfoot, HTML::TagNames::th, HTML::TagNames::thead, HTML::TagNames::tr)) {
PARSE_ERROR();
return;
}
process_using_the_rules_for(InsertionMode::InBody, token);
}
void HTMLDocumentParser::handle_in_column_group(HTMLToken& token)
{
if (token.is_character() && token.is_parser_whitespace()) {
insert_character(token.codepoint());
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::TagNames::html) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::col) {
insert_html_element(token);
m_stack_of_open_elements.pop();
token.acknowledge_self_closing_flag_if_set();
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::colgroup) {
if (current_node().tag_name() != HTML::TagNames::colgroup) {
PARSE_ERROR();
return;
}
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::InTable;
return;
}
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::col) {
PARSE_ERROR();
return;
}
if ((token.is_start_tag() || token.is_end_tag()) && token.tag_name() == HTML::TagNames::template_) {
process_using_the_rules_for(InsertionMode::InHead, token);
return;
}
if (token.is_end_of_file()) {
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
if (current_node().tag_name() != HTML::TagNames::colgroup) {
PARSE_ERROR();
return;
}
m_stack_of_open_elements.pop();
m_insertion_mode = InsertionMode::InTable;
process_using_the_rules_for(m_insertion_mode, token);
}
void HTMLDocumentParser::reset_the_insertion_mode_appropriately()
{
for (ssize_t i = m_stack_of_open_elements.elements().size() - 1; i >= 0; --i) {
RefPtr<Element> node = m_stack_of_open_elements.elements().at(i);
if (node->tag_name() == HTML::TagNames::select) {
TODO();
}
if (node->tag_name().is_one_of(HTML::TagNames::td, HTML::TagNames::th)) {
m_insertion_mode = InsertionMode::InCell;
return;
}
if (node->tag_name() == HTML::TagNames::tr) {
m_insertion_mode = InsertionMode::InRow;
return;
}
if (node->tag_name().is_one_of(HTML::TagNames::tbody, HTML::TagNames::thead, HTML::TagNames::tfoot)) {
m_insertion_mode = InsertionMode::InTableBody;
return;
}
if (node->tag_name() == HTML::TagNames::caption) {
m_insertion_mode = InsertionMode::InCaption;
return;
}
if (node->tag_name() == HTML::TagNames::colgroup) {
m_insertion_mode = InsertionMode::InColumnGroup;
return;
}
if (node->tag_name() == HTML::TagNames::table) {
m_insertion_mode = InsertionMode::InTable;
return;
}
if (node->tag_name() == HTML::TagNames::template_) {
TODO();
}
if (node->tag_name() == HTML::TagNames::body) {
m_insertion_mode = InsertionMode::InBody;
return;
}
if (node->tag_name() == HTML::TagNames::frameset) {
m_insertion_mode = InsertionMode::InFrameset;
if (m_parsing_fragment) {
TODO();
}
return;
}
if (node->tag_name() == HTML::TagNames::html) {
TODO();
}
}
m_insertion_mode = InsertionMode::InBody;
if (m_parsing_fragment) {
TODO();
}
}
const char* HTMLDocumentParser::insertion_mode_name() const
{
switch (m_insertion_mode) {
#define __ENUMERATE_INSERTION_MODE(mode) \
case InsertionMode::mode: \
return #mode;
ENUMERATE_INSERTION_MODES
#undef __ENUMERATE_INSERTION_MODE
}
ASSERT_NOT_REACHED();
}
Document& HTMLDocumentParser::document()
{
return *m_document;
}
}
Reference in a new issue View git blame Copy permalink