1 /* 2 * Copyright 2005 Frerich Raabe <raabe@kde.org> 3 * Copyright (C) 2006 Apple Computer, Inc. 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 XPathExpression_h 28 #define XPathExpression_h 29 30 #include "bindings/v8/ScriptWrappable.h" 31 #include "platform/heap/Handle.h" 32 #include "wtf/Forward.h" 33 #include "wtf/PassRefPtr.h" 34 #include "wtf/RefCounted.h" 35 36 namespace WebCore { 37 38 class ExceptionState; 39 class Node; 40 class XPathNSResolver; 41 class XPathResult; 42 43 namespace XPath { 44 class Expression; 45 } 46 47 class XPathExpression : public RefCountedWillBeGarbageCollectedFinalized<XPathExpression>, public ScriptWrappable { 48 public: create()49 static PassRefPtrWillBeRawPtr<XPathExpression> create() 50 { 51 return adoptRefWillBeNoop(new XPathExpression); 52 } 53 ~XPathExpression(); 54 55 static PassRefPtrWillBeRawPtr<XPathExpression> createExpression(const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver>, ExceptionState&); 56 PassRefPtrWillBeRawPtr<XPathResult> evaluate(Node* contextNode, unsigned short type, XPathResult*, ExceptionState&); 57 58 void trace(Visitor*); 59 60 private: 61 XPathExpression(); 62 63 OwnPtrWillBeMember<XPath::Expression> m_topExpression; 64 }; 65 66 } 67 68 #endif // XPathExpression_h 69