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LibWeb: A whole bunch of work towards spec-compliant <script> elements

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This is still very unfinished, but there's at least a skeleton of code.
This commit is contained in:
Andreas Kling 2020-05-24 22:00:46 +02:00
parent 3a30180e1e
commit 45da08a1e6
Notes: sideshowbarker 2024-07-19 06:10:09 +09:00
8 changed files with 365 additions and 34 deletions
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50
Libraries/LibWeb/Parser/HTMLDocumentParser.cpp
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@ -31,6 +31,7 @@
#include <LibWeb/DOM/ElementFactory.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>
@ -51,9 +52,10 @@ HTMLDocumentParser::~HTMLDocumentParser()
{
}
void HTMLDocumentParser::run()
void HTMLDocumentParser::run(const URL& url)
{
m_document = adopt(*new Document);
m_document->set_url(url);
for (;;) {
auto optional_token = m_tokenizer.next_token();
@ -212,6 +214,29 @@ void HTMLDocumentParser::handle_in_head(HTMLToken& token)
return;
}
if (token.is_start_tag() && token.tag_name() == "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_start_tag() && token.tag_name() == "meta") {
auto element = insert_html_element(token);
m_stack_of_open_elements.pop();
@ -425,6 +450,17 @@ void HTMLDocumentParser::handle_in_body(HTMLToken& token)
ASSERT_NOT_REACHED();
}
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()) {
@ -432,7 +468,17 @@ void HTMLDocumentParser::handle_text(HTMLToken& token)
return;
}
if (token.is_end_tag() && token.tag_name() == "script") {
ASSERT_NOT_REACHED();
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.
return;
}
if (token.is_end_tag()) {
m_stack_of_open_elements.pop();