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#include "config.h" 28#include "XPathEvaluator.h" 29 30#if ENABLE(XPATH) 31 32#include "ExceptionCode.h" 33#include "NativeXPathNSResolver.h" 34#include "Node.h" 35#include "XPathExpression.h" 36#include "XPathResult.h" 37#include "XPathUtil.h" 38 39namespace WebCore { 40 41using namespace XPath; 42 43PassRefPtr<XPathExpression> XPathEvaluator::createExpression(const String& expression, 44 XPathNSResolver* resolver, 45 ExceptionCode& ec) 46{ 47 return XPathExpression::createExpression(expression, resolver, ec); 48} 49 50PassRefPtr<XPathNSResolver> XPathEvaluator::createNSResolver(Node* nodeResolver) 51{ 52 return NativeXPathNSResolver::create(nodeResolver); 53} 54 55PassRefPtr<XPathResult> XPathEvaluator::evaluate(const String& expression, 56 Node* contextNode, 57 XPathNSResolver* resolver, 58 unsigned short type, 59 XPathResult* result, 60 ExceptionCode& ec) 61{ 62 if (!isValidContextNode(contextNode)) { 63 ec = NOT_SUPPORTED_ERR; 64 return 0; 65 } 66 67 ec = 0; 68 RefPtr<XPathExpression> expr = createExpression(expression, resolver, ec); 69 if (ec) 70 return 0; 71 72 return expr->evaluate(contextNode, type, result, ec); 73} 74 75} 76 77#endif // ENABLE(XPATH) 78