/* * Copyright (C) 2004-2016 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "DOMTreeWalkerInternal.h" #import "DOMInternal.h" #import "DOMNodeInternal.h" #import "ExceptionHandlers.h" #import <WebCore/JSExecState.h> #import <WebCore/NativeNodeFilter.h> #import <WebCore/Node.h> #import "ObjCNodeFilterCondition.h" #import <WebCore/ThreadCheck.h> #import <WebCore/TreeWalker.h> #import <WebCore/WebCoreObjCExtras.h> #import <WebCore/WebScriptObjectPrivate.h> #import <wtf/GetPtr.h> #define IMPL reinterpret_cast<WebCore::TreeWalker*>(_internal) @implementation DOMTreeWalker - (void)dealloc { if (WebCoreObjCScheduleDeallocateOnMainThread([DOMTreeWalker class], self)) return; if (_internal) IMPL->deref(); [super dealloc]; } - (DOMNode *)root { WebCore::JSMainThreadNullState state; return kit(WTF::getPtr(IMPL->root())); } - (unsigned)whatToShow { WebCore::JSMainThreadNullState state; return IMPL->whatToShow(); } - (id <DOMNodeFilter>)filter { WebCore::JSMainThreadNullState state; return kit(IMPL->filter()); } - (BOOL)expandEntityReferences { return NO; } - (DOMNode *)currentNode { WebCore::JSMainThreadNullState state; return kit(WTF::getPtr(IMPL->currentNode())); } - (void)setCurrentNode:(DOMNode *)newCurrentNode { WebCore::JSMainThreadNullState state; ASSERT(newCurrentNode); if (!core(newCurrentNode)) raiseTypeErrorException(); IMPL->setCurrentNode(*core(newCurrentNode)); } - (DOMNode *)parentNode { WebCore::JSMainThreadNullState state; auto result = IMPL->parentNode(); if (result.hasException()) return nil; return kit(WTF::getPtr(result.releaseReturnValue())); } - (DOMNode *)firstChild { WebCore::JSMainThreadNullState state; auto result = IMPL->firstChild(); if (result.hasException()) return nil; return kit(WTF::getPtr(result.releaseReturnValue())); } - (DOMNode *)lastChild { WebCore::JSMainThreadNullState state; auto result = IMPL->lastChild(); if (result.hasException()) return nil; return kit(WTF::getPtr(result.releaseReturnValue())); } - (DOMNode *)previousSibling { WebCore::JSMainThreadNullState state; auto result = IMPL->previousSibling(); if (result.hasException()) return nil; return kit(WTF::getPtr(result.releaseReturnValue())); } - (DOMNode *)nextSibling { WebCore::JSMainThreadNullState state; auto result = IMPL->nextSibling(); if (result.hasException()) return nil; return kit(WTF::getPtr(result.releaseReturnValue())); } - (DOMNode *)previousNode { WebCore::JSMainThreadNullState state; auto result = IMPL->previousNode(); if (result.hasException()) return nil; return kit(WTF::getPtr(result.releaseReturnValue())); } - (DOMNode *)nextNode { WebCore::JSMainThreadNullState state; auto result = IMPL->nextNode(); if (result.hasException()) return nil; return kit(WTF::getPtr(result.releaseReturnValue())); } @end DOMTreeWalker *kit(WebCore::TreeWalker* value) { WebCoreThreadViolationCheckRoundOne(); if (!value) return nil; if (DOMTreeWalker *wrapper = getDOMWrapper(value)) return [[wrapper retain] autorelease]; DOMTreeWalker *wrapper = [[DOMTreeWalker alloc] _init]; wrapper->_internal = reinterpret_cast<DOMObjectInternal*>(value); value->ref(); addDOMWrapper(wrapper, value); return [wrapper autorelease]; } #undef IMPL