80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
/*
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* Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
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* Copyright (C) 2006, 2009 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 "ExceptionOr.h"
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#include "XPathValue.h"
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namespace WebCore {
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class XPathResult : public RefCounted<XPathResult> {
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public:
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enum XPathResultType {
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ANY_TYPE = 0,
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NUMBER_TYPE = 1,
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STRING_TYPE = 2,
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BOOLEAN_TYPE = 3,
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UNORDERED_NODE_ITERATOR_TYPE = 4,
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ORDERED_NODE_ITERATOR_TYPE = 5,
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UNORDERED_NODE_SNAPSHOT_TYPE = 6,
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ORDERED_NODE_SNAPSHOT_TYPE = 7,
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ANY_UNORDERED_NODE_TYPE = 8,
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FIRST_ORDERED_NODE_TYPE = 9
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};
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static Ref<XPathResult> create(Document& document, const XPath::Value& value) { return adoptRef(*new XPathResult(document, value)); }
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WEBCORE_EXPORT ~XPathResult();
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ExceptionOr<void> convertTo(unsigned short type);
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WEBCORE_EXPORT unsigned short resultType() const;
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WEBCORE_EXPORT ExceptionOr<double> numberValue() const;
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WEBCORE_EXPORT ExceptionOr<String> stringValue() const;
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WEBCORE_EXPORT ExceptionOr<bool> booleanValue() const;
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WEBCORE_EXPORT ExceptionOr<Node*> singleNodeValue() const;
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WEBCORE_EXPORT bool invalidIteratorState() const;
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WEBCORE_EXPORT ExceptionOr<unsigned> snapshotLength() const;
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WEBCORE_EXPORT ExceptionOr<Node*> iterateNext();
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WEBCORE_EXPORT ExceptionOr<Node*> snapshotItem(unsigned index);
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const XPath::Value& value() const { return m_value; }
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private:
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XPathResult(Document&, const XPath::Value&);
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XPath::Value m_value;
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unsigned m_nodeSetPosition { 0 };
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XPath::NodeSet m_nodeSet; // FIXME: why duplicate the node set stored in m_value?
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unsigned short m_resultType;
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RefPtr<Document> m_document;
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uint64_t m_domTreeVersion { 0 };
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};
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} // namespace WebCore
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