| /* |
| * Copyright (C) 2007 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 COMPUTER, 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 COMPUTER, 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. |
| */ |
| |
| #include "config.h" |
| #include "JSNode.h" |
| |
| #include "Attr.h" |
| #include "CDATASection.h" |
| #include "Comment.h" |
| #include "Document.h" |
| #include "DocumentFragment.h" |
| #include "DocumentType.h" |
| #include "Entity.h" |
| #include "EntityReference.h" |
| #include "HTMLElement.h" |
| #include "JSAttr.h" |
| #include "JSCDATASection.h" |
| #include "JSComment.h" |
| #include "JSDocument.h" |
| #include "JSDocumentFragment.h" |
| #include "JSDocumentType.h" |
| #include "JSEntity.h" |
| #include "JSEntityReference.h" |
| #include "JSHTMLElement.h" |
| #include "JSHTMLElementWrapperFactory.h" |
| #include "JSNotation.h" |
| #include "JSProcessingInstruction.h" |
| #include "JSText.h" |
| #include "Node.h" |
| #include "Notation.h" |
| #include "ProcessingInstruction.h" |
| #include "Text.h" |
| #include <wtf/PassRefPtr.h> |
| #include <wtf/RefPtr.h> |
| |
| #if ENABLE(SVG) |
| #include "JSSVGElementWrapperFactory.h" |
| #include "SVGElement.h" |
| #endif |
| |
| using namespace KJS; |
| |
| namespace WebCore { |
| |
| typedef int ExpectionCode; |
| |
| JSValue* JSNode::insertBefore(ExecState* exec, const List& args) |
| { |
| ExceptionCode ec = 0; |
| bool ok = impl()->insertBefore(toNode(args[0]), toNode(args[1]), ec); |
| setDOMException(exec, ec); |
| if (ok) |
| return args[0]; |
| return jsNull(); |
| } |
| |
| JSValue* JSNode::replaceChild(ExecState* exec, const List& args) |
| { |
| ExceptionCode ec = 0; |
| bool ok = impl()->replaceChild(toNode(args[0]), toNode(args[1]), ec); |
| setDOMException(exec, ec); |
| if (ok) |
| return args[1]; |
| return jsNull(); |
| } |
| |
| JSValue* JSNode::removeChild(ExecState* exec, const List& args) |
| { |
| ExceptionCode ec = 0; |
| bool ok = impl()->removeChild(toNode(args[0]), ec); |
| setDOMException(exec, ec); |
| if (ok) |
| return args[0]; |
| return jsNull(); |
| } |
| |
| JSValue* JSNode::appendChild(ExecState* exec, const List& args) |
| { |
| ExceptionCode ec = 0; |
| bool ok = impl()->appendChild(toNode(args[0]), ec); |
| setDOMException(exec, ec); |
| if (ok) |
| return args[0]; |
| return jsNull(); |
| } |
| |
| void JSNode::mark() |
| { |
| ASSERT(!marked()); |
| |
| Node* node = m_impl.get(); |
| |
| // Nodes in the document are kept alive by ScriptInterpreter::mark, |
| // so we have no special responsibilities and can just call the base class here. |
| if (node->inDocument()) { |
| // But if the document isn't marked we have to mark it to ensure that |
| // nodes reachable from this one are also marked |
| if (Document* doc = node->ownerDocument()) |
| if (DOMObject* docWrapper = ScriptInterpreter::getDOMObject(doc)) |
| if (!docWrapper->marked()) |
| docWrapper->mark(); |
| DOMObject::mark(); |
| return; |
| } |
| |
| // This is a node outside the document, so find the root of the tree it is in, |
| // and start marking from there. |
| Node* root = node; |
| for (Node* current = m_impl.get(); current; current = current->parentNode()) |
| root = current; |
| |
| // If we're already marking this tree, then we can simply mark this wrapper |
| // by calling the base class; our caller is iterating the tree. |
| if (root->m_inSubtreeMark) { |
| DOMObject::mark(); |
| return; |
| } |
| |
| // Mark the whole tree; use the global set of roots to avoid reentering. |
| root->m_inSubtreeMark = true; |
| for (Node* nodeToMark = root; nodeToMark; nodeToMark = nodeToMark->traverseNextNode()) { |
| JSNode* wrapper = ScriptInterpreter::getDOMNodeForDocument(m_impl->document(), nodeToMark); |
| if (wrapper) { |
| if (!wrapper->marked()) |
| wrapper->mark(); |
| } else if (nodeToMark == node) { |
| // This is the case where the map from the document to wrappers has |
| // been cleared out, but a wrapper is being marked. For now, we'll |
| // let the rest of the tree of wrappers get collected, because we have |
| // no good way of finding them. Later we should test behavior of other |
| // browsers and see if we need to preserve other wrappers in this case. |
| if (!marked()) |
| mark(); |
| } |
| } |
| root->m_inSubtreeMark = false; |
| |
| // Double check that we actually ended up marked. This assert caught problems in the past. |
| ASSERT(marked()); |
| } |
| |
| JSValue* toJS(ExecState* exec, Node* node) |
| { |
| if (!node) |
| return jsNull(); |
| |
| Document* doc = node->document(); |
| JSNode* ret = ScriptInterpreter::getDOMNodeForDocument(doc, node); |
| if (ret) |
| return ret; |
| |
| switch (node->nodeType()) { |
| case Node::ELEMENT_NODE: |
| if (node->isHTMLElement()) |
| ret = createJSHTMLWrapper(exec, static_cast<HTMLElement*>(node)); |
| #if ENABLE(SVG) |
| else if (node->isSVGElement()) |
| ret = createJSSVGWrapper(exec, static_cast<SVGElement*>(node)); |
| #endif |
| else |
| ret = new (exec) JSElement(JSElementPrototype::self(exec), static_cast<Element*>(node)); |
| break; |
| case Node::ATTRIBUTE_NODE: |
| ret = new (exec) JSAttr(JSAttrPrototype::self(exec), static_cast<Attr*>(node)); |
| break; |
| case Node::TEXT_NODE: |
| ret = new (exec) JSText(JSTextPrototype::self(exec), static_cast<Text*>(node)); |
| break; |
| case Node::CDATA_SECTION_NODE: |
| ret = new (exec) JSCDATASection(JSCDATASectionPrototype::self(exec), static_cast<CDATASection*>(node)); |
| break; |
| case Node::ENTITY_NODE: |
| ret = new (exec) JSEntity(JSEntityPrototype::self(exec), static_cast<Entity*>(node)); |
| break; |
| case Node::PROCESSING_INSTRUCTION_NODE: |
| ret = new (exec) JSProcessingInstruction(JSProcessingInstructionPrototype::self(exec), static_cast<ProcessingInstruction*>(node)); |
| break; |
| case Node::COMMENT_NODE: |
| ret = new (exec) JSComment(JSCommentPrototype::self(exec), static_cast<Comment*>(node)); |
| break; |
| case Node::DOCUMENT_NODE: |
| // we don't want to cache the document itself in the per-document dictionary |
| return toJS(exec, static_cast<Document*>(node)); |
| case Node::DOCUMENT_TYPE_NODE: |
| ret = new (exec) JSDocumentType(JSDocumentTypePrototype::self(exec), static_cast<DocumentType*>(node)); |
| break; |
| case Node::NOTATION_NODE: |
| ret = new (exec) JSNotation(JSNotationPrototype::self(exec), static_cast<Notation*>(node)); |
| break; |
| case Node::DOCUMENT_FRAGMENT_NODE: |
| ret = new (exec) JSDocumentFragment(JSDocumentFragmentPrototype::self(exec), static_cast<DocumentFragment*>(node)); |
| break; |
| case Node::ENTITY_REFERENCE_NODE: |
| ret = new (exec) JSEntityReference(JSEntityReferencePrototype::self(exec), static_cast<EntityReference*>(node)); |
| break; |
| default: |
| ret = new (exec) JSNode(JSNodePrototype::self(exec), node); |
| } |
| |
| ScriptInterpreter::putDOMNodeForDocument(doc, node, ret); |
| |
| return ret; |
| } |
| |
| } // namespace WebCore |
