mirror of
https://github.com/darlinghq/darling-WebCore.git
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81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
/*
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* Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
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* Copyright (C) 2006, 2009, 2013 Apple Inc. 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
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* 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 "XPathExpressionNode.h"
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namespace WebCore {
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namespace XPath {
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class Step;
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class Filter final : public Expression {
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public:
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Filter(std::unique_ptr<Expression>, Vector<std::unique_ptr<Expression>> predicates);
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private:
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Value evaluate() const override;
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Value::Type resultType() const override { return Value::NodeSetValue; }
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std::unique_ptr<Expression> m_expression;
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Vector<std::unique_ptr<Expression>> m_predicates;
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};
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class LocationPath final : public Expression {
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public:
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LocationPath();
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void setAbsolute() { m_isAbsolute = true; setIsContextNodeSensitive(false); }
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void evaluate(NodeSet& nodes) const; // nodes is an input/output parameter
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void appendStep(std::unique_ptr<Step>);
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void prependStep(std::unique_ptr<Step>);
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private:
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Value evaluate() const override;
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Value::Type resultType() const override { return Value::NodeSetValue; }
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Vector<std::unique_ptr<Step>> m_steps;
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bool m_isAbsolute;
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};
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class Path final : public Expression {
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public:
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Path(std::unique_ptr<Expression> filter, std::unique_ptr<LocationPath>);
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private:
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Value evaluate() const override;
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Value::Type resultType() const override { return Value::NodeSetValue; }
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std::unique_ptr<Expression> m_filter;
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std::unique_ptr<LocationPath> m_path;
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};
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} // namespace XPath
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} // namespace WebCore
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