cc4b3cbacc
Some checks are pending
CI / Lagom (false, FUZZ, ubuntu-24.04, Linux, Clang) (push) Waiting to run
CI / Lagom (false, NO_FUZZ, macos-14, macOS, Clang) (push) Waiting to run
CI / Lagom (false, NO_FUZZ, ubuntu-24.04, Linux, GNU) (push) Waiting to run
CI / Lagom (true, NO_FUZZ, ubuntu-24.04, Linux, Clang) (push) Waiting to run
Package the js repl as a binary artifact / build-and-package (macos-14, macOS, macOS-universal2) (push) Waiting to run
Package the js repl as a binary artifact / build-and-package (ubuntu-24.04, Linux, Linux-x86_64) (push) Waiting to run
Run test262 and test-wasm / run_and_update_results (push) Waiting to run
Lint Code / lint (push) Waiting to run
Push notes / build (push) Waiting to run
72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2020-2022, Andreas Kling <andreas@ladybird.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibWeb/DOM/Element.h>
|
|
#include <LibWeb/Forward.h>
|
|
|
|
namespace Web::HTML {
|
|
|
|
// https://html.spec.whatwg.org/multipage/parsing.html#stack-of-open-elements
|
|
class StackOfOpenElements {
|
|
public:
|
|
// Initially, the stack of open elements is empty.
|
|
// The stack grows downwards; the topmost node on the stack is the first one added to the stack,
|
|
// and the bottommost node of the stack is the most recently added node in the stack
|
|
// (notwithstanding when the stack is manipulated in a random access fashion as part of the handling for misnested tags).
|
|
|
|
StackOfOpenElements() = default;
|
|
~StackOfOpenElements();
|
|
|
|
DOM::Element& first() { return *m_elements.first(); }
|
|
DOM::Element& last() { return *m_elements.last(); }
|
|
|
|
bool is_empty() const { return m_elements.is_empty(); }
|
|
void push(JS::NonnullGCPtr<DOM::Element> element) { m_elements.append(element); }
|
|
JS::NonnullGCPtr<DOM::Element> pop() { return *m_elements.take_last(); }
|
|
void remove(DOM::Element const& element);
|
|
void replace(DOM::Element const& to_remove, JS::NonnullGCPtr<DOM::Element> to_add);
|
|
void insert_immediately_below(JS::NonnullGCPtr<DOM::Element> element_to_add, DOM::Element const& target);
|
|
|
|
const DOM::Element& current_node() const { return *m_elements.last(); }
|
|
DOM::Element& current_node() { return *m_elements.last(); }
|
|
|
|
bool has_in_scope(FlyString const& tag_name) const;
|
|
bool has_in_button_scope(FlyString const& tag_name) const;
|
|
bool has_in_table_scope(FlyString const& tag_name) const;
|
|
bool has_in_list_item_scope(FlyString const& tag_name) const;
|
|
bool has_in_select_scope(FlyString const& tag_name) const;
|
|
|
|
bool has_in_scope(const DOM::Element&) const;
|
|
|
|
bool contains(const DOM::Element&) const;
|
|
bool contains(FlyString const& tag_name) const;
|
|
|
|
auto const& elements() const { return m_elements; }
|
|
auto& elements() { return m_elements; }
|
|
|
|
void pop_until_an_element_with_tag_name_has_been_popped(FlyString const&);
|
|
|
|
JS::GCPtr<DOM::Element> topmost_special_node_below(DOM::Element const&);
|
|
|
|
struct LastElementResult {
|
|
JS::GCPtr<DOM::Element> element;
|
|
ssize_t index;
|
|
};
|
|
LastElementResult last_element_with_tag_name(FlyString const&);
|
|
JS::GCPtr<DOM::Element> element_immediately_above(DOM::Element const&);
|
|
|
|
void visit_edges(JS::Cell::Visitor&);
|
|
|
|
private:
|
|
bool has_in_scope_impl(FlyString const& tag_name, Vector<FlyString> const&) const;
|
|
bool has_in_scope_impl(const DOM::Element& target_node, Vector<FlyString> const&) const;
|
|
|
|
Vector<JS::NonnullGCPtr<DOM::Element>> m_elements;
|
|
};
|
|
|
|
}
|