1/* 2 * Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20#include "config.h" 21#include "JSNodeIterator.h" 22 23#include "JSNode.h" 24#include "Node.h" 25#include "NodeFilter.h" 26#include "NodeIterator.h" 27 28using namespace JSC; 29 30namespace WebCore { 31 32void JSNodeIterator::markChildren(MarkStack& markStack) 33{ 34 Base::markChildren(markStack); 35 36 if (NodeFilter* filter = m_impl->filter()) 37 filter->markAggregate(markStack); 38} 39 40JSValue JSNodeIterator::nextNode(ExecState* exec, const ArgList&) 41{ 42 ExceptionCode ec = 0; 43 RefPtr<Node> node = impl()->nextNode(exec, ec); 44 if (ec) { 45 setDOMException(exec, ec); 46 return jsUndefined(); 47 } 48 49 if (exec->hadException()) 50 return jsUndefined(); 51 52 return toJS(exec, node.get()); 53} 54 55JSValue JSNodeIterator::previousNode(ExecState* exec, const ArgList&) 56{ 57 ExceptionCode ec = 0; 58 RefPtr<Node> node = impl()->previousNode(exec, ec); 59 if (ec) { 60 setDOMException(exec, ec); 61 return jsUndefined(); 62 } 63 64 if (exec->hadException()) 65 return jsUndefined(); 66 67 return toJS(exec, node.get()); 68} 69 70} 71