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/*
* Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
* Copyright (C) 2006, 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef XPathResult_h
#define XPathResult_h
#include "XPathValue.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
namespace WebCore {
typedef int ExceptionCode;
class Document;
class Node;
class XPathResult : public RefCounted<XPathResult> {
public:
enum XPathResultType {
ANY_TYPE = 0,
NUMBER_TYPE = 1,
STRING_TYPE = 2,
BOOLEAN_TYPE = 3,
UNORDERED_NODE_ITERATOR_TYPE = 4,
ORDERED_NODE_ITERATOR_TYPE = 5,
UNORDERED_NODE_SNAPSHOT_TYPE = 6,
ORDERED_NODE_SNAPSHOT_TYPE = 7,
ANY_UNORDERED_NODE_TYPE = 8,
FIRST_ORDERED_NODE_TYPE = 9
};
static Ref<XPathResult> create(Document* document, const XPath::Value& value) { return adoptRef(*new XPathResult(document, value)); }
~XPathResult();
void convertTo(unsigned short type, ExceptionCode&);
unsigned short resultType() const;
double numberValue(ExceptionCode&) const;
String stringValue(ExceptionCode&) const;
bool booleanValue(ExceptionCode&) const;
Node* singleNodeValue(ExceptionCode&) const;
bool invalidIteratorState() const;
unsigned long snapshotLength(ExceptionCode&) const;
Node* iterateNext(ExceptionCode&);
Node* snapshotItem(unsigned long index, ExceptionCode&);
const XPath::Value& value() const { return m_value; }
private:
XPathResult(Document*, const XPath::Value&);
XPath::Value m_value;
unsigned m_nodeSetPosition;
XPath::NodeSet m_nodeSet; // FIXME: why duplicate the node set stored in m_value?
unsigned short m_resultType;
RefPtr<Document> m_document;
uint64_t m_domTreeVersion;
};
} // namespace WebCore
#endif // XPathResult_h
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