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/*
* Copyright (C) 2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PARSER_CSS_PARSER_SELECTOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PARSER_CSS_PARSER_SELECTOR_H_
#include <memory>
#include <utility>
#include "base/macros.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/css_selector.h"
namespace blink {
class CSSParserContext;
class CORE_EXPORT CSSParserSelector {
USING_FAST_MALLOC(CSSParserSelector);
public:
CSSParserSelector();
explicit CSSParserSelector(const QualifiedName&, bool is_implicit = false);
static std::unique_ptr<CSSParserSelector> Create() {
return std::make_unique<CSSParserSelector>();
}
static std::unique_ptr<CSSParserSelector> Create(const QualifiedName& name,
bool is_implicit = false) {
return std::make_unique<CSSParserSelector>(name, is_implicit);
}
~CSSParserSelector();
std::unique_ptr<CSSSelector> ReleaseSelector() {
return std::move(selector_);
}
CSSSelector::RelationType Relation() const { return selector_->Relation(); }
void SetValue(const AtomicString& value, bool match_lower_case = false) {
selector_->SetValue(value, match_lower_case);
}
void SetAttribute(const QualifiedName& value,
CSSSelector::AttributeMatchType match_type) {
selector_->SetAttribute(value, match_type);
}
void SetArgument(const AtomicString& value) { selector_->SetArgument(value); }
void SetNth(int a, int b) { selector_->SetNth(a, b); }
void SetMatch(CSSSelector::MatchType value) { selector_->SetMatch(value); }
void SetRelation(CSSSelector::RelationType value) {
selector_->SetRelation(value);
}
void SetForPage() { selector_->SetForPage(); }
void SetRelationIsAffectedByPseudoContent() {
selector_->SetRelationIsAffectedByPseudoContent();
}
bool RelationIsAffectedByPseudoContent() const {
return selector_->RelationIsAffectedByPseudoContent();
}
void UpdatePseudoType(const AtomicString& value,
const CSSParserContext& context,
bool has_arguments,
CSSParserMode mode) const {
selector_->UpdatePseudoType(value, context, has_arguments, mode);
}
void UpdatePseudoPage(const AtomicString& value) {
selector_->UpdatePseudoPage(value);
}
void AdoptSelectorVector(
Vector<std::unique_ptr<CSSParserSelector>>& selector_vector);
void SetSelectorList(std::unique_ptr<CSSSelectorList>);
bool IsHostPseudoSelector() const;
CSSSelector::MatchType Match() const { return selector_->Match(); }
CSSSelector::PseudoType GetPseudoType() const {
return selector_->GetPseudoType();
}
const CSSSelectorList* SelectorList() const {
return selector_->SelectorList();
}
// Some pseudo elements behave as if they have an implicit combinator to their
// left even though they are written without one. This method returns the
// correct implicit combinator. If no new combinator should be used, it
// returns RelationType::kSubSelector.
CSSSelector::RelationType GetImplicitShadowCombinatorForMatching() const;
bool NeedsImplicitShadowCombinatorForMatching() const;
bool IsSimple() const;
CSSParserSelector* TagHistory() const { return tag_history_.get(); }
void SetTagHistory(std::unique_ptr<CSSParserSelector> selector) {
tag_history_ = std::move(selector);
}
void ClearTagHistory() { tag_history_.reset(); }
void AppendTagHistory(CSSSelector::RelationType,
std::unique_ptr<CSSParserSelector>);
std::unique_ptr<CSSParserSelector> ReleaseTagHistory();
void PrependTagSelector(const QualifiedName&, bool tag_is_implicit = false);
private:
std::unique_ptr<CSSSelector> selector_;
std::unique_ptr<CSSParserSelector> tag_history_;
DISALLOW_COPY_AND_ASSIGN(CSSParserSelector);
};
} // namespace blink
#endif
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