blob: a922a416baaf80f99f103afcf7c062eafa87321d [file] [log] [blame]
/*
* Copyright 2015 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef COBALT_DOM_RULE_MATCHING_H_
#define COBALT_DOM_RULE_MATCHING_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "cobalt/cssom/css_parser.h"
namespace cobalt {
namespace dom {
class Element;
class HTMLElement;
class NodeList;
class Node;
// Only a subset of selectors is supported.
// TODO: Add markdown file with set of supported selectors.
//
// Those selectors that are supported are implemented after Selectors Level 4.
// https://www.w3.org/TR/selectors4/
// Updates the matching rules on an element. The parent and previous sibling
// need to have their matching rules updated before, since the current element's
// rule matching will depend on their rule matching states.
void UpdateMatchingRules(HTMLElement* current_element);
// Returns the first element in the subtree that matches the given selector.
scoped_refptr<Element> QuerySelector(Node* node, const std::string& selectors,
cssom::CSSParser* css_parser);
// Returns all the elements in the subtree that match the given selector.
scoped_refptr<NodeList> QuerySelectorAll(Node* node,
const std::string& selectors,
cssom::CSSParser* css_parser);
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_RULE_MATCHING_H_