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/*
* Copyright (c) 2018-2020, 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.
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/Vector.h>
namespace Web::CSS {
class Selector {
public:
struct SimpleSelector {
enum class Type {
Invalid,
Universal,
TagName,
Id,
Class,
};
Type type { Type::Invalid };
enum class PseudoClass {
None,
Link,
Visited,
Hover,
Focus,
FirstChild,
LastChild,
OnlyChild,
Empty,
Root,
};
PseudoClass pseudo_class { PseudoClass::None };
enum class PseudoElement {
None,
Before,
After,
};
PseudoElement pseudo_element { PseudoElement::None };
FlyString value;
enum class AttributeMatchType {
None,
HasAttribute,
ExactValueMatch,
Contains,
};
AttributeMatchType attribute_match_type { AttributeMatchType::None };
FlyString attribute_name;
String attribute_value;
};
struct ComplexSelector {
enum class Relation {
None,
ImmediateChild,
Descendant,
AdjacentSibling,
GeneralSibling,
};
Relation relation { Relation::None };
using CompoundSelector = Vector<SimpleSelector>;
CompoundSelector compound_selector;
};
explicit Selector(Vector<ComplexSelector>&&);
~Selector();
const Vector<ComplexSelector>& complex_selectors() const { return m_complex_selectors; }
u32 specificity() const;
private:
Vector<ComplexSelector> m_complex_selectors;
};
}
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