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bbcc71fec4
Note that this is the old CSS2 syntax, we don't support the CSS3 syntax just yet. Also we don't actually implement the pseudo-elements, this is really just to make the selectors distinct from the same ones without these pseudo-elements.
106 lines
3 KiB
C++
106 lines
3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/FlyString.h>
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#include <AK/Vector.h>
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namespace Web::CSS {
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class Selector {
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public:
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struct SimpleSelector {
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enum class Type {
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Invalid,
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Universal,
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TagName,
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Id,
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Class,
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};
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Type type { Type::Invalid };
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enum class PseudoClass {
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None,
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Link,
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Visited,
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Hover,
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Focus,
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FirstChild,
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LastChild,
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OnlyChild,
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Empty,
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Root,
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};
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PseudoClass pseudo_class { PseudoClass::None };
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enum class PseudoElement {
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None,
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Before,
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After,
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};
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PseudoElement pseudo_element { PseudoElement::None };
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FlyString value;
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enum class AttributeMatchType {
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None,
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HasAttribute,
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ExactValueMatch,
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Contains,
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};
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AttributeMatchType attribute_match_type { AttributeMatchType::None };
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FlyString attribute_name;
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String attribute_value;
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};
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struct ComplexSelector {
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enum class Relation {
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None,
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ImmediateChild,
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Descendant,
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AdjacentSibling,
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GeneralSibling,
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};
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Relation relation { Relation::None };
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using CompoundSelector = Vector<SimpleSelector>;
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CompoundSelector compound_selector;
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};
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explicit Selector(Vector<ComplexSelector>&&);
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~Selector();
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const Vector<ComplexSelector>& complex_selectors() const { return m_complex_selectors; }
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u32 specificity() const;
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private:
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Vector<ComplexSelector> m_complex_selectors;
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};
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}
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