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LibWeb: Add spec comments to the "in template" insertion mode

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Andreas Kling 2024-11-04 10:29:56 +01:00 • committed by Andreas Kling
commit 79613eae7f
Notes: github-actions[bot] 2024-11-05 11:30:43 +00:00
1 changed files with 52 additions and 0 deletions
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52
Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
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@ -3834,80 +3834,132 @@ void HTMLParser::handle_in_column_group(HTMLToken& token)
process_using_the_rules_for(m_insertion_mode, token);
}
// https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-intemplate
void HTMLParser::handle_in_template(HTMLToken& token)
{
// -> A character token
// -> A comment token
// -> A DOCTYPE token
if (token.is_character() || token.is_comment() || token.is_doctype()) {
// Process the token using the rules for the "in body" insertion mode.
process_using_the_rules_for(InsertionMode::InBody, token);
return;
}
// -> A start tag whose tag name is one of: "base", "basefont", "bgsound", "link", "meta", "noframes", "script", "style", "template", "title"
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;
}
// -> An end tag whose tag name is "template"
if (token.is_end_tag() && token.tag_name() == HTML::TagNames::template_) {
process_using_the_rules_for(InsertionMode::InHead, token);
return;
}
// -> A start tag whose tag name is one of: "caption", "colgroup", "tbody", "tfoot", "thead"
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::caption, HTML::TagNames::colgroup, HTML::TagNames::tbody, HTML::TagNames::tfoot, HTML::TagNames::thead)) {
// Pop the current template insertion mode off the stack of template insertion modes.
m_stack_of_template_insertion_modes.take_last();
// Push "in table" onto the stack of template insertion modes so that it is the new current template insertion mode.
m_stack_of_template_insertion_modes.append(InsertionMode::InTable);
// Switch the insertion mode to "in table", and reprocess the token.
m_insertion_mode = InsertionMode::InTable;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
// -> A start tag whose tag name is "col"
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::col) {
// Pop the current template insertion mode off the stack of template insertion modes.
m_stack_of_template_insertion_modes.take_last();
// Push "in column group" onto the stack of template insertion modes so that it is the new current template insertion mode.
m_stack_of_template_insertion_modes.append(InsertionMode::InColumnGroup);
// Switch the insertion mode to "in column group", and reprocess the token.
m_insertion_mode = InsertionMode::InColumnGroup;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
// -> A start tag whose tag name is "tr"
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::tr) {
// Pop the current template insertion mode off the stack of template insertion modes.
m_stack_of_template_insertion_modes.take_last();
// Push "in table body" onto the stack of template insertion modes so that it is the new current template insertion mode.
m_stack_of_template_insertion_modes.append(InsertionMode::InTableBody);
// Switch the insertion mode to "in table body", and reprocess the token.
m_insertion_mode = InsertionMode::InTableBody;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
// -> A start tag whose tag name is one of: "td", "th"
if (token.is_start_tag() && token.tag_name().is_one_of(HTML::TagNames::td, HTML::TagNames::th)) {
// Pop the current template insertion mode off the stack of template insertion modes.
m_stack_of_template_insertion_modes.take_last();
// Push "in row" onto the stack of template insertion modes so that it is the new current template insertion mode.
m_stack_of_template_insertion_modes.append(InsertionMode::InRow);
// Switch the insertion mode to "in row", and reprocess the token.
m_insertion_mode = InsertionMode::InRow;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
// -> Any other start tag
if (token.is_start_tag()) {
// Pop the current template insertion mode off the stack of template insertion modes.
m_stack_of_template_insertion_modes.take_last();
// Push "in body" onto the stack of template insertion modes so that it is the new current template insertion mode.
m_stack_of_template_insertion_modes.append(InsertionMode::InBody);
// Switch the insertion mode to "in body", and reprocess the token.
m_insertion_mode = InsertionMode::InBody;
process_using_the_rules_for(m_insertion_mode, token);
return;
}
// -> Any other end tag
if (token.is_end_tag()) {
// Parse error. Ignore the token.
log_parse_error();
return;
}
// -> An end-of-file token
if (token.is_end_of_file()) {
// If there is no template element on the stack of open elements, then stop parsing. (fragment case)
if (!m_stack_of_open_elements.contains(HTML::TagNames::template_)) {
VERIFY(m_parsing_fragment);
stop_parsing();
return;
}
// Otherwise, this is a parse error.
log_parse_error();
// Pop elements from the stack of open elements until a template element has been popped from the stack.
m_stack_of_open_elements.pop_until_an_element_with_tag_name_has_been_popped(HTML::TagNames::template_);
// Clear the list of active formatting elements up to the last marker.
m_list_of_active_formatting_elements.clear_up_to_the_last_marker();
// Pop the current template insertion mode off the stack of template insertion modes.
m_stack_of_template_insertion_modes.take_last();
// Reset the insertion mode appropriately.
reset_the_insertion_mode_appropriately();
// Reprocess the token.
process_using_the_rules_for(m_insertion_mode, token);
}
}