1 /* 2 * Copyright (C) 2013, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 23 * DAMAGE. 24 */ 25 26 #ifndef DocumentXPathEvaluator_h 27 #define DocumentXPathEvaluator_h 28 29 #include "core/dom/DocumentSupplementable.h" 30 #include "core/xml/XPathEvaluator.h" 31 #include "core/xml/XPathNSResolver.h" 32 33 namespace WebCore { 34 35 class ExceptionState; 36 class XPathExpression; 37 class XPathResult; 38 39 class DocumentXPathEvaluator FINAL : public NoBaseWillBeGarbageCollected<DocumentXPathEvaluator>, public DocumentSupplement { 40 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DocumentXPathEvaluator); 41 public: 42 static DocumentXPathEvaluator& from(DocumentSupplementable&); 43 44 static PassRefPtrWillBeRawPtr<XPathExpression> createExpression(DocumentSupplementable&, 45 const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver>, ExceptionState&); 46 static PassRefPtrWillBeRawPtr<XPathNSResolver> createNSResolver(DocumentSupplementable&, Node* nodeResolver); 47 static PassRefPtrWillBeRawPtr<XPathResult> evaluate(DocumentSupplementable&, 48 const String& expression, Node* contextNode, PassRefPtrWillBeRawPtr<XPathNSResolver>, 49 unsigned short type, XPathResult*, ExceptionState&); 50 51 virtual void trace(Visitor*) OVERRIDE; 52 53 private: 54 DocumentXPathEvaluator(); 55 56 static const char* supplementName() { return "DocumentXPathEvaluator"; } 57 58 RefPtrWillBeMember<XPathEvaluator> m_xpathEvaluator; 59 }; 60 61 } // namespace WebCore 62 63 #endif // DocumentXPathEvaluator_h 64
