1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2000 Frederik Holljen (frederik.holljen (at) hig.no) 4 * Copyright (C) 2001 Peter Kelly (pmk (at) post.com) 5 * Copyright (C) 2006 Samuel Weinig (sam.weinig (at) gmail.com) 6 * Copyright (C) 2004, 2008 Apple Inc. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25 #include "config.h" 26 #include "Traversal.h" 27 28 #include "Node.h" 29 #include "NodeFilter.h" 30 31 namespace WebCore { 32 33 Traversal::Traversal(PassRefPtr<Node> rootNode, unsigned whatToShow, PassRefPtr<NodeFilter> nodeFilter, bool expandEntityReferences) 34 : m_root(rootNode) 35 , m_whatToShow(whatToShow) 36 , m_filter(nodeFilter) 37 , m_expandEntityReferences(expandEntityReferences) 38 { 39 } 40 41 short Traversal::acceptNode(ScriptState* state, Node* node) const 42 { 43 // FIXME: To handle XML properly we would have to check m_expandEntityReferences. 44 45 // The bit twiddling here is done to map DOM node types, which are given as integers from 46 // 1 through 12, to whatToShow bit masks. 47 if (!(((1 << (node->nodeType() - 1)) & m_whatToShow))) 48 return NodeFilter::FILTER_SKIP; 49 if (!m_filter) 50 return NodeFilter::FILTER_ACCEPT; 51 return m_filter->acceptNode(state, node); 52 } 53 54 } // namespace WebCore 55
