kjs_dom.cpp

konqueror3 embedded版本, KDE环境下的当家浏览器的嵌入式版本源码包.

    return getDOMNode(exec, list.item(args[0].toInt32(exec)));
  case KJS::DOMNodeList::NamedItem:
  {
    // Not a real namedItem implementation like the one HTMLCollection has.
    // This is only an IE extension...
    DOM::HTMLElement e;
    unsigned long len = list.length();
    DOM::DOMString s = args[0].toString(exec).string();

    for ( unsigned long i = 0; i < len; i++ )
    {
      e = list.item( i );
      if ( !e.isNull() && (
             e.id() == s || static_cast<ElementImpl *>(e.handle())->getAttribute(ATTR_NAME) == s )
      )
      {
        return getDOMNode(exec, e );
      }
    }
    return Null(); // see HTMLCollection::NamedItem implementation
  }
  default:
    return Undefined();
  }
}

// -------------------------------------------------------------------------

const ClassInfo DOMAttr::info = { "Attr", &DOMNode::info, &DOMAttrTable, 0 };

/* Source for DOMAttrTable.
@begin DOMAttrTable 5
  name		DOMAttr::Name		DontDelete|ReadOnly
  specified	DOMAttr::Specified	DontDelete|ReadOnly
  value		DOMAttr::ValueProperty	DontDelete
  ownerElement	DOMAttr::OwnerElement	DontDelete|ReadOnly
@end
*/
Value DOMAttr::tryGet(ExecState *exec, const Identifier &propertyName) const
{
#ifdef KJS_VERBOSE
  kdDebug(6070) << "DOMAttr::tryGet " << propertyName.qstring() << endl;
#endif
  return DOMObjectLookupGetValue<DOMAttr,DOMNode>(exec, propertyName,
                                                  &DOMAttrTable, this );
}

Value DOMAttr::getValueProperty(ExecState *exec, int token) const
{
  switch (token) {
  case Name:
    return String(static_cast<DOM::Attr>(node).name());
  case Specified:
    return Boolean(static_cast<DOM::Attr>(node).specified());
  case ValueProperty:
    return String(static_cast<DOM::Attr>(node).value());
  case OwnerElement: // DOM2
    return getDOMNode(exec,static_cast<DOM::Attr>(node).ownerElement());
  }
  return Value(); // not reached
}

void DOMAttr::tryPut(ExecState *exec, const Identifier &propertyName, const Value& value, int attr)
{
#ifdef KJS_VERBOSE
  kdDebug(6070) << "DOMAttr::tryPut " << propertyName.qstring() << endl;
#endif
  DOMObjectLookupPut<DOMAttr,DOMNode>(exec, propertyName, value, attr,
                                      &DOMAttrTable, this );
}

void DOMAttr::putValueProperty(ExecState *exec, int token, const Value& value, int /*attr*/)
{
  switch (token) {
  case ValueProperty:
    static_cast<DOM::Attr>(node).setValue(value.toString(exec).string());
    return;
  default:
    kdDebug(6070) << "WARNING: DOMAttr::putValueProperty unhandled token " << token << endl;
  }
}

// -------------------------------------------------------------------------

/* Source for DOMDocumentProtoTable.
@begin DOMDocumentProtoTable 23
  createElement   DOMDocument::CreateElement                   DontDelete|Function 1
  createDocumentFragment DOMDocument::CreateDocumentFragment   DontDelete|Function 1
  createTextNode  DOMDocument::CreateTextNode                  DontDelete|Function 1
  createComment   DOMDocument::CreateComment                   DontDelete|Function 1
  createCDATASection DOMDocument::CreateCDATASection           DontDelete|Function 1
  createProcessingInstruction DOMDocument::CreateProcessingInstruction DontDelete|Function 1
  createAttribute DOMDocument::CreateAttribute                 DontDelete|Function 1
  createEntityReference DOMDocument::CreateEntityReference     DontDelete|Function 1
  getElementsByTagName  DOMDocument::GetElementsByTagName      DontDelete|Function 1
  importNode           DOMDocument::ImportNode                 DontDelete|Function 2
  createElementNS      DOMDocument::CreateElementNS            DontDelete|Function 2
  createAttributeNS    DOMDocument::CreateAttributeNS          DontDelete|Function 2
  getElementsByTagNameNS  DOMDocument::GetElementsByTagNameNS  DontDelete|Function 2
  getElementById     DOMDocument::GetElementById               DontDelete|Function 1
  createRange        DOMDocument::CreateRange                  DontDelete|Function 0
  createNodeIterator DOMDocument::CreateNodeIterator           DontDelete|Function 3
  createTreeWalker   DOMDocument::CreateTreeWalker             DontDelete|Function 4
  createEvent        DOMDocument::CreateEvent                  DontDelete|Function 1
  getOverrideStyle   DOMDocument::GetOverrideStyle             DontDelete|Function 2
  abort              DOMDocument::Abort                        DontDelete|Function 0
  load               DOMDocument::Load                         DontDelete|Function 1
  loadXML            DOMDocument::LoadXML                      DontDelete|Function 2
@end
*/
DEFINE_PROTOTYPE("DOMDocument", DOMDocumentProto)
IMPLEMENT_PROTOFUNC_DOM(DOMDocumentProtoFunc)
IMPLEMENT_PROTOTYPE_WITH_PARENT(DOMDocumentProto, DOMDocumentProtoFunc, DOMNodeProto)

const ClassInfo DOMDocument::info = { "Document", &DOMNode::info, &DOMDocumentTable, 0 };

/* Source for DOMDocumentTable.
@begin DOMDocumentTable 4
  doctype         DOMDocument::DocType                         DontDelete|ReadOnly
  implementation  DOMDocument::Implementation                  DontDelete|ReadOnly
  documentElement DOMDocument::DocumentElement                 DontDelete|ReadOnly
  styleSheets     DOMDocument::StyleSheets                     DontDelete|ReadOnly
  preferredStylesheetSet  DOMDocument::PreferredStylesheetSet  DontDelete|ReadOnly
  selectedStylesheetSet  DOMDocument::SelectedStylesheetSet    DontDelete
  readyState      DOMDocument::ReadyState                      DontDelete|ReadOnly
  defaultView     DOMDocument::DefaultView                     DontDelete|ReadOnly
  async           DOMDocument::Async                           DontDelete
@end
*/

DOMDocument::DOMDocument(ExecState *exec, const DOM::Document& d)
  : DOMNode(DOMDocumentProto::self(exec), d) { }

DOMDocument::DOMDocument(const Object& proto, const DOM::Document& d)
  : DOMNode(proto, d) { }

DOMDocument::~DOMDocument()
{
  ScriptInterpreter::forgetDOMObject(node.handle());
}

Value DOMDocument::tryGet(ExecState *exec, const Identifier &propertyName) const
{
#ifdef KJS_VERBOSE
  kdDebug(6070) << "DOMDocument::tryGet " << propertyName.qstring() << endl;
#endif
  return DOMObjectLookupGetValue<DOMDocument, DOMNode>(
    exec, propertyName, &DOMDocumentTable, this);
}

Value DOMDocument::getValueProperty(ExecState *exec, int token) const
{
  DOM::Document doc = static_cast<DOM::Document>(node);

  switch(token) {
  case DocType:
    return getDOMNode(exec,doc.doctype());
  case Implementation:
    return getDOMDOMImplementation(exec,doc.implementation());
  case DocumentElement:
    return getDOMNode(exec,doc.documentElement());
  case StyleSheets:
    //kdDebug() << "DOMDocument::StyleSheets, returning " << doc.styleSheets().length() << " stylesheets" << endl;
    return getDOMStyleSheetList(exec, doc.styleSheets(), doc);
  case DOMDocument::DefaultView: // DOM2
    {
    KHTMLView *view = node.handle()->getDocument()->view();
    if (view)
        return Window::retrieve(view->part());
    return getDOMAbstractView(exec, doc.defaultView());
    }
  case PreferredStylesheetSet:
    return String(doc.preferredStylesheetSet());
  case SelectedStylesheetSet:
    return String(doc.selectedStylesheetSet());
  case ReadyState:
    {
    DOM::DocumentImpl* docimpl = node.handle()->getDocument();
    if ( docimpl && docimpl->view() )
    {
      KHTMLPart* part = docimpl->view()->part();
      if ( part ) {
        if (part->d->m_bComplete) return String("complete");
        if (docimpl->parsing()) return String("loading");
        return String("loaded");
        // What does the interactive value mean ?
        // Missing support for "uninitialized"
      }
    }
    return Undefined();
    }
  case Async:
    return Boolean(doc.async());
  default:
    kdDebug(6070) << "WARNING: DOMDocument::getValueProperty unhandled token " << token << endl;
    return Value();
  }
}

void DOMDocument::tryPut(ExecState *exec, const Identifier& propertyName, const Value& value, int attr)
{
#ifdef KJS_VERBOSE
  kdDebug(6070) << "DOMDocument::tryPut " << propertyName.qstring() << endl;
#endif
  DOMObjectLookupPut<DOMDocument,DOMNode>(exec, propertyName, value, attr, &DOMDocumentTable, this );
}

void DOMDocument::putValueProperty(ExecState *exec, int token, const Value& value, int /*attr*/)
{
  DOM::Document doc = static_cast<DOM::Document>(node);
  switch (token) {
    case SelectedStylesheetSet: {
      doc.setSelectedStylesheetSet(value.toString(exec).string());
      break;
    }
    case Async: {
      doc.setAsync(value.toBoolean(exec));
      break;
    }
  }
}

Value DOMDocumentProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
{
  KJS_CHECK_THIS( KJS::DOMDocument, thisObj );
  DOM::Node node = static_cast<DOMNode *>( thisObj.imp() )->toNode();
  DOM::Document doc = static_cast<DOM::Document>(node);
  String str = args[0].toString(exec);
  DOM::DOMString s = str.value().string();

  switch(id) {
  case DOMDocument::CreateElement:
    return getDOMNode(exec,doc.createElement(s));
  case DOMDocument::CreateDocumentFragment:
    return getDOMNode(exec,doc.createDocumentFragment());
  case DOMDocument::CreateTextNode:
    return getDOMNode(exec,doc.createTextNode(s));
  case DOMDocument::CreateComment:
    return getDOMNode(exec,doc.createComment(s));
  case DOMDocument::CreateCDATASection:
    return getDOMNode(exec,doc.createCDATASection(s));  /* TODO: okay ? */
  case DOMDocument::CreateProcessingInstruction:
    return getDOMNode(exec,doc.createProcessingInstruction(args[0].toString(exec).string(),
                                                                 args[1].toString(exec).string()));
  case DOMDocument::CreateAttribute:
    return getDOMNode(exec,doc.createAttribute(s));
  case DOMDocument::CreateEntityReference:
    return getDOMNode(exec,doc.createEntityReference(args[0].toString(exec).string()));
  case DOMDocument::GetElementsByTagName:
    return getDOMNodeList(exec,doc.getElementsByTagName(s));
  case DOMDocument::ImportNode: // DOM2
    return getDOMNode(exec,doc.importNode(toNode(args[0]), args[1].toBoolean(exec)));
  case DOMDocument::CreateElementNS: // DOM2
    return getDOMNode(exec,doc.createElementNS(args[0].toString(exec).string(), args[1].toString(exec).string()));
  case DOMDocument::CreateAttributeNS: // DOM2
    return getDOMNode(exec,doc.createAttributeNS(args[0].toString(exec).string(),args[1].toString(exec).string()));
  case DOMDocument::GetElementsByTagNameNS: // DOM2
    return getDOMNodeList(exec,doc.getElementsByTagNameNS(args[0].toString(exec).string(),
                                                          args[1].toString(exec).string()));
  case DOMDocument::GetElementById:
#ifdef KJS_VERBOSE
  kdDebug(6070) << "DOMDocument::GetElementById looking for " << args[0].toString(exec).string() << endl;
#endif
    return getDOMNode(exec,doc.getElementById(args[0].toString(exec).string()));
  case DOMDocument::CreateRange:
    return getDOMRange(exec,doc.createRange());
  case DOMDocument::CreateNodeIterator:
    if (args[2].isA(NullType)) {
        DOM::NodeFilter filter;
        return getDOMNodeIterator(exec,
                                  doc.createNodeIterator(toNode(args[0]),
                                                         (long unsigned int)(args[1].toNumber(exec)),
                                                         filter,args[3].toBoolean(exec)));
    }
    else {
      Object obj = Object::dynamicCast(args[2]);
      if (obj.isValid())
      {
        DOM::CustomNodeFilter *customFilter = new JSNodeFilter(obj);
        DOM::NodeFilter filter = DOM::NodeFilter::createCustom(customFilter);
        return getDOMNodeIterator(exec,
          doc.createNodeIterator(
            toNode(args[0]),(long unsigned int)(args[1].toNumber(exec)),
            filter,args[3].toBoolean(exec)));
      }// else?
    }
  case DOMDocument::CreateTreeWalker:
    return getDOMTreeWalker(exec,doc.createTreeWalker(toNode(args[0]),(long unsigned int)(args[1].toNumber(exec)),
             toNodeFilter(args[2]),args[3].toBoolean(exec)));
  case DOMDocument::CreateEvent:
    return getDOMEvent(exec,doc.createEvent(s));
  case DOMDocument::GetOverrideStyle: {
    DOM::Node arg0 = toNode(args[0]);
    if (arg0.nodeType() != DOM::Node::ELEMENT_NODE)
      return Undefined(); // throw exception?
    else
      return getDOMCSSStyleDeclaration(exec,doc.getOverrideStyle(static_cast<DOM::Element>(arg0),args[1].toString(exec).string()));
  }
  case DOMDocument::Abort:
    doc.abort();
    break;
  case DOMDocument::Load: {
    Window* active = Window::retrieveActive(exec);
    // Complete the URL using the "active part" (running interpreter). We do this for the security
    // check and to make sure we load exactly the same url as we have verified to be safe
    KHTMLPart *khtmlpart = ::qt_cast<KHTMLPart *>(active->part());
    if (khtmlpart) {
      // Security: only allow documents to be loaded from the same host
      QString dstUrl = khtmlpart->htmlDocument().completeURL(s).string();
      KParts::ReadOnlyPart *part = static_cast<KJS::ScriptInterpreter*>(exec->interpreter())->part();
      if (part->url().host() == KURL(dstUrl).host()) {
	kdDebug(6070) << "JavaScript: access granted for document.load() of " << dstUrl << endl;
	doc.load(dstUrl);
      }
      else {
	kdDebug(6070) << "JavaScript: access denied for document.load() of " << dstUrl << endl;
      }
    }
    break;
  }
  case DOMDocument::LoadXML:
    doc.loadXML(s);
    break;
  default:
    break;
  }

  return Undefined();
}

// -------------------------------------------------------------------------

/* Source for DOMElementProtoTable.
@begin DOMElementProtoTable 17
  getAttribute		DOMElement::GetAttribute	DontDelete|Function 1
  setAttribute		DOMElement::SetAttribute	DontDelete|Function 2
  removeAttribute	DOMElement::RemoveAttribute	DontDelete|Function 1
  getAttributeNode	DOMElement::GetAttributeNode	DontDelete|Function 1
  setAttributeNode	DOMElement::SetAttributeNode	DontDelete|Function 2
  removeAttributeNode	DOMElement::RemoveAttributeNode	DontDelete|Function 1