62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
/*
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* Copyright 2005 Frerich Raabe <raabe@kde.org>
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* Copyright (C) 2006, 2013 Apple Inc.
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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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#include "config.h"
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#include "XPathExpressionNode.h"
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#include <wtf/NeverDestroyed.h>
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#include <wtf/StdLibExtras.h>
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namespace WebCore {
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namespace XPath {
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EvaluationContext& Expression::evaluationContext()
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{
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static NeverDestroyed<EvaluationContext> context;
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return context;
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}
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Expression::Expression()
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: m_isContextNodeSensitive(false)
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, m_isContextPositionSensitive(false)
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, m_isContextSizeSensitive(false)
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{
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}
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void Expression::setSubexpressions(Vector<std::unique_ptr<Expression>> subexpressions)
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{
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ASSERT(m_subexpressions.isEmpty());
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m_subexpressions = WTFMove(subexpressions);
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for (auto& subexpression : m_subexpressions) {
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m_isContextNodeSensitive |= subexpression->m_isContextNodeSensitive;
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m_isContextPositionSensitive |= subexpression->m_isContextPositionSensitive;
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m_isContextSizeSensitive |= subexpression->m_isContextSizeSensitive;
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}
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}
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} // namespace XPath
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} // namespace WebCore
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