1 /* 2 * Copyright 2005 Frerich Raabe <raabe (at) 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 #if ENABLE(XPATH) 31 32 #include <wtf/Forward.h> 33 #include <wtf/RefCounted.h> 34 #include <wtf/PassRefPtr.h> 35 36 namespace WebCore { 37 38 typedef int ExceptionCode; 39 40 class Node; 41 class XPathExpression; 42 class XPathNSResolver; 43 class XPathResult; 44 45 class XPathEvaluator : public RefCounted<XPathEvaluator> { 46 public: 47 static PassRefPtr<XPathEvaluator> create() { return adoptRef(new XPathEvaluator); } 48 49 PassRefPtr<XPathExpression> createExpression(const String& expression, XPathNSResolver*, ExceptionCode&); 50 PassRefPtr<XPathNSResolver> createNSResolver(Node* nodeResolver); 51 PassRefPtr<XPathResult> evaluate(const String& expression, Node* contextNode, 52 XPathNSResolver*, unsigned short type, XPathResult*, ExceptionCode&); 53 54 private: 55 XPathEvaluator() { } 56 }; 57 58 } 59 60 #endif // ENABLE(XPATH) 61 62 #endif // XPathEvaluator_h 63
