blob: 5d8de537cd207f2b9b0a56632bf464f2aeb60b8b [file] [log] [blame]
/*
* 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 THIRD_PARTY_BLINK_RENDERER_CORE_XML_XPATH_RESULT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_XML_XPATH_RESULT_H_
#include "third_party/blink/renderer/core/xml/xpath_value.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
namespace blink {
class Document;
class ExceptionState;
class Node;
namespace xpath {
struct EvaluationContext;
}
class XPathResult final : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
enum XPathResultType {
kAnyType = 0,
kNumberType = 1,
kStringType = 2,
kBooleanType = 3,
kUnorderedNodeIteratorType = 4,
kOrderedNodeIteratorType = 5,
kUnorderedNodeSnapshotType = 6,
kOrderedNodeSnapshotType = 7,
kAnyUnorderedNodeType = 8,
kFirstOrderedNodeType = 9
};
XPathResult(xpath::EvaluationContext&, const xpath::Value&);
void ConvertTo(uint16_t type, ExceptionState&);
uint16_t resultType() const;
double numberValue(ExceptionState&) const;
String stringValue(ExceptionState&) const;
bool booleanValue(ExceptionState&) const;
Node* singleNodeValue(ExceptionState&) const;
bool invalidIteratorState() const;
unsigned snapshotLength(ExceptionState&) const;
Node* iterateNext(ExceptionState&);
Node* snapshotItem(unsigned index, ExceptionState&);
const xpath::Value& GetValue() const { return value_; }
void Trace(Visitor*) override;
private:
xpath::NodeSet& GetNodeSet() { return *node_set_; }
xpath::Value value_;
unsigned node_set_position_;
// FIXME: why duplicate the node set stored in value_?
Member<xpath::NodeSet> node_set_;
uint16_t result_type_;
Member<Document> document_;
uint64_t dom_tree_version_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_XML_XPATH_RESULT_H_