1 /* 2 * Copyright (C) 2005 Frerich Raabe <raabe (at) kde.org> 3 * Copyright (C) 2006, 2009 Apple Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef XPathResult_h 28 #define XPathResult_h 29 30 #include "bindings/v8/ScriptWrappable.h" 31 #include "core/xml/XPathValue.h" 32 #include "wtf/Forward.h" 33 #include "wtf/RefCounted.h" 34 35 namespace WebCore { 36 37 class Document; 38 class ExceptionState; 39 class Node; 40 41 class XPathResult : public RefCounted<XPathResult>, public ScriptWrappable { 42 public: 43 enum XPathResultType { 44 ANY_TYPE = 0, 45 NUMBER_TYPE = 1, 46 STRING_TYPE = 2, 47 BOOLEAN_TYPE = 3, 48 UNORDERED_NODE_ITERATOR_TYPE = 4, 49 ORDERED_NODE_ITERATOR_TYPE = 5, 50 UNORDERED_NODE_SNAPSHOT_TYPE = 6, 51 ORDERED_NODE_SNAPSHOT_TYPE = 7, 52 ANY_UNORDERED_NODE_TYPE = 8, 53 FIRST_ORDERED_NODE_TYPE = 9 54 }; 55 56 static PassRefPtr<XPathResult> create(Document* document, const XPath::Value& value) { return adoptRef(new XPathResult(document, value)); } 57 ~XPathResult(); 58 59 void convertTo(unsigned short type, ExceptionState&); 60 61 unsigned short resultType() const; 62 63 double numberValue(ExceptionState&) const; 64 String stringValue(ExceptionState&) const; 65 bool booleanValue(ExceptionState&) const; 66 Node* singleNodeValue(ExceptionState&) const; 67 68 bool invalidIteratorState() const; 69 unsigned long snapshotLength(ExceptionState&) const; 70 Node* iterateNext(ExceptionState&); 71 Node* snapshotItem(unsigned long index, ExceptionState&); 72 73 const XPath::Value& value() const { return m_value; } 74 75 private: 76 XPathResult(Document*, const XPath::Value&); 77 78 XPath::Value m_value; 79 unsigned m_nodeSetPosition; 80 XPath::NodeSet m_nodeSet; // FIXME: why duplicate the node set stored in m_value? 81 unsigned short m_resultType; 82 RefPtr<Document> m_document; 83 uint64_t m_domTreeVersion; 84 }; 85 86 } // namespace WebCore 87 88 #endif // XPathResult_h 89
