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 XPathEvaluator_h 28 #define XPathEvaluator_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 XPathExpression; 41 class XPathNSResolver; 42 class XPathResult; 43 44 class XPathEvaluator : public RefCountedWillBeGarbageCollectedFinalized<XPathEvaluator>, public ScriptWrappable { 45 public: create()46 static PassRefPtrWillBeRawPtr<XPathEvaluator> create() 47 { 48 return adoptRefWillBeNoop(new XPathEvaluator); 49 } 50 51 PassRefPtrWillBeRawPtr<XPathExpression> createExpression(const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver>, ExceptionState&); 52 PassRefPtrWillBeRawPtr<XPathNSResolver> createNSResolver(Node* nodeResolver); 53 PassRefPtrWillBeRawPtr<XPathResult> evaluate(const String& expression, Node* contextNode, 54 PassRefPtrWillBeRawPtr<XPathNSResolver>, unsigned short type, XPathResult*, ExceptionState&); 55 trace(Visitor *)56 void trace(Visitor*) { } 57 58 private: XPathEvaluator()59 XPathEvaluator() 60 { 61 ScriptWrappable::init(this); 62 } 63 }; 64 65 } 66 67 #endif // XPathEvaluator_h 68