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.

  getElementsByTagName	DOMElement::GetElementsByTagName	DontDelete|Function 1
  hasAttribute		DOMElement::HasAttribute	DontDelete|Function 1
  getAttributeNS	DOMElement::GetAttributeNS	DontDelete|Function 2
  setAttributeNS	DOMElement::SetAttributeNS	DontDelete|Function 3
  removeAttributeNS	DOMElement::RemoveAttributeNS	DontDelete|Function 2
  getAttributeNodeNS	DOMElement::GetAttributeNodeNS	DontDelete|Function 2
  setAttributeNodeNS	DOMElement::SetAttributeNodeNS	DontDelete|Function 1
  getElementsByTagNameNS DOMElement::GetElementsByTagNameNS	DontDelete|Function 2
  hasAttributeNS	DOMElement::HasAttributeNS	DontDelete|Function 2
@end
*/
DEFINE_PROTOTYPE("DOMElement",DOMElementProto)
IMPLEMENT_PROTOFUNC_DOM(DOMElementProtoFunc)
IMPLEMENT_PROTOTYPE_WITH_PARENT(DOMElementProto,DOMElementProtoFunc,DOMNodeProto)

const ClassInfo DOMElement::info = { "Element", &DOMNode::info, &DOMElementTable, 0 };
/* Source for DOMElementTable.
@begin DOMElementTable 3
  tagName	DOMElement::TagName                         DontDelete|ReadOnly
  style		DOMElement::Style                           DontDelete|ReadOnly
@end
*/
DOMElement::DOMElement(ExecState *exec, const DOM::Element& e)
  : DOMNode(DOMElementProto::self(exec), e) { }

DOMElement::DOMElement(const Object& proto, const DOM::Element& e)
  : DOMNode(proto, e) { }

Value DOMElement::tryGet(ExecState *exec, const Identifier &propertyName) const
{
#ifdef KJS_VERBOSE
  kdDebug(6070) << "DOMElement::tryGet " << propertyName.qstring() << endl;
#endif
  DOM::Element element = static_cast<DOM::Element>(node);

  const HashEntry* entry = Lookup::findEntry(&DOMElementTable, propertyName);
  if (entry)
  {
    switch( entry->value ) {
    case TagName:
      return String(element.tagName());
    case Style:
      return getDOMCSSStyleDeclaration(exec,element.style());
    default:
      kdDebug(6070) << "WARNING: Unhandled token in DOMElement::tryGet : " << entry->value << endl;
      break;
    }
  }
  // We have to check in DOMNode before giving access to attributes, otherwise
  // onload="..." would make onload return the string (attribute value) instead of
  // the listener object (function).
  if (DOMNode::hasProperty(exec, propertyName))
    return DOMNode::tryGet(exec, propertyName);

  DOM::DOMString attr = element.getAttribute( propertyName.string() );
  // Give access to attributes
  if ( !attr.isNull() )
    return String( attr );

  return Undefined();
}

Value DOMElementProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
{
  KJS_CHECK_THIS( KJS::DOMNode, thisObj ); // node should be enough here, given the cast
  DOM::Node node = static_cast<DOMNode *>( thisObj.imp() )->toNode();
  DOM::Element element = static_cast<DOM::Element>(node);

  switch(id) {
    case DOMElement::GetAttribute:
      /** In theory, we should not return null here, as per DOM. In practice, that 
       breaks websites
      */
      return getString(element.getAttribute(args[0].toString(exec).string()));
    case DOMElement::SetAttribute:
      element.setAttribute(args[0].toString(exec).string(),args[1].toString(exec).string());
      return Undefined();
    case DOMElement::RemoveAttribute:
      element.removeAttribute(args[0].toString(exec).string());
      return Undefined();
    case DOMElement::GetAttributeNode:
      return getDOMNode(exec,element.getAttributeNode(args[0].toString(exec).string()));
    case DOMElement::SetAttributeNode:
      return getDOMNode(exec,element.setAttributeNode((new DOMNode(exec,KJS::toNode(args[0])))->toNode()));
    case DOMElement::RemoveAttributeNode:
      return getDOMNode(exec,element.removeAttributeNode((new DOMNode(exec,KJS::toNode(args[0])))->toNode()));
    case DOMElement::GetElementsByTagName:
      return getDOMNodeList(exec,element.getElementsByTagName(args[0].toString(exec).string()));
    case DOMElement::HasAttribute: // DOM2
      return Boolean(element.hasAttribute(args[0].toString(exec).string()));
    case DOMElement::GetAttributeNS: // DOM2
      return String(element.getAttributeNS(args[0].toString(exec).string(),args[1].toString(exec).string()));
    case DOMElement::SetAttributeNS: // DOM2
      element.setAttributeNS(args[0].toString(exec).string(),args[1].toString(exec).string(),args[2].toString(exec).string());
      return Undefined();
    case DOMElement::RemoveAttributeNS: // DOM2
      element.removeAttributeNS(args[0].toString(exec).string(),args[1].toString(exec).string());
      return Undefined();
    case DOMElement::GetAttributeNodeNS: // DOM2
      return getDOMNode(exec,element.getAttributeNodeNS(args[0].toString(exec).string(),args[1].toString(exec).string()));
    case DOMElement::SetAttributeNodeNS: // DOM2
      return getDOMNode(exec,element.setAttributeNodeNS((new DOMNode(exec,KJS::toNode(args[0])))->toNode()));
    case DOMElement::GetElementsByTagNameNS: // DOM2
      return getDOMNodeList(exec,element.getElementsByTagNameNS(args[0].toString(exec).string(),args[1].toString(exec).string()));
    case DOMElement::HasAttributeNS: // DOM2
      return Boolean(element.hasAttributeNS(args[0].toString(exec).string(),args[1].toString(exec).string()));
  default:
    return Undefined();
  }
}

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

/* Source for DOMDOMImplementationProtoTable.
@begin DOMDOMImplementationProtoTable 5
  hasFeature		DOMDOMImplementation::HasFeature		DontDelete|Function 2
  createCSSStyleSheet	DOMDOMImplementation::CreateCSSStyleSheet	DontDelete|Function 2
# DOM2
  createDocumentType	DOMDOMImplementation::CreateDocumentType	DontDelete|Function 3
  createDocument	DOMDOMImplementation::CreateDocument		DontDelete|Function 3
  createHTMLDocument    DOMDOMImplementation::CreateHTMLDocument        DontDelete|Function 1
@end
*/
DEFINE_PROTOTYPE("DOMImplementation",DOMDOMImplementationProto)
IMPLEMENT_PROTOFUNC_DOM(DOMDOMImplementationProtoFunc)
IMPLEMENT_PROTOTYPE(DOMDOMImplementationProto,DOMDOMImplementationProtoFunc)

const ClassInfo DOMDOMImplementation::info = { "DOMImplementation", 0, 0, 0 };

DOMDOMImplementation::DOMDOMImplementation(ExecState *exec, const DOM::DOMImplementation& i)
  : DOMObject(DOMDOMImplementationProto::self(exec)), implementation(i) { }

DOMDOMImplementation::~DOMDOMImplementation()
{
  ScriptInterpreter::forgetDOMObject(implementation.handle());
}

Value DOMDOMImplementationProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
{
  KJS_CHECK_THIS( KJS::DOMDOMImplementation, thisObj );
  DOM::DOMImplementation implementation = static_cast<DOMDOMImplementation *>( thisObj.imp() )->toImplementation();

  switch(id) {
  case DOMDOMImplementation::HasFeature:
    return Boolean(implementation.hasFeature(args[0].toString(exec).string(),args[1].toString(exec).string()));
  case DOMDOMImplementation::CreateDocumentType: // DOM2
    return getDOMNode(exec,implementation.createDocumentType(args[0].toString(exec).string(),args[1].toString(exec).string(),args[2].toString(exec).string()));
  case DOMDOMImplementation::CreateDocument: { // DOM2
    // Initially set the URL to document of the creator... this is so that it resides in the same
    // host/domain for security checks. The URL will be updated if Document.load() is called.
    KHTMLPart *part = ::qt_cast<KHTMLPart*>(static_cast<KJS::ScriptInterpreter*>(exec->interpreter())->part());
    if (part) {
      Document doc = implementation.createDocument(args[0].toString(exec).string(),args[1].toString(exec).string(),toNode(args[2]));
      KURL url = static_cast<DocumentImpl*>(part->document().handle())->URL();
      static_cast<DocumentImpl*>(doc.handle())->setURL(url.url());
      return getDOMNode(exec,doc);
    }
    break;
  }
  case DOMDOMImplementation::CreateCSSStyleSheet: // DOM2
    return getDOMStyleSheet(exec,implementation.createCSSStyleSheet(args[0].toString(exec).string(),args[1].toString(exec).string()));
  case DOMDOMImplementation::CreateHTMLDocument: // DOM2-HTML
    return getDOMNode(exec, implementation.createHTMLDocument(args[0].toString(exec).string()));
  default:
    break;
  }
  return Undefined();
}

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

const ClassInfo DOMDocumentType::info = { "DocumentType", &DOMNode::info, &DOMDocumentTypeTable, 0 };

/* Source for DOMDocumentTypeTable.
@begin DOMDocumentTypeTable 6
  name			DOMDocumentType::Name		DontDelete|ReadOnly
  entities		DOMDocumentType::Entities	DontDelete|ReadOnly
  notations		DOMDocumentType::Notations	DontDelete|ReadOnly
# DOM2
  publicId		DOMDocumentType::PublicId	DontDelete|ReadOnly
  systemId		DOMDocumentType::SystemId	DontDelete|ReadOnly
  internalSubset	DOMDocumentType::InternalSubset	DontDelete|ReadOnly
@end
*/
DOMDocumentType::DOMDocumentType(ExecState *exec, const DOM::DocumentType& dt)
  : DOMNode( /*### no proto yet*/exec, dt ) { }

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

Value DOMDocumentType::getValueProperty(ExecState *exec, int token) const
{
  DOM::DocumentType type = static_cast<DOM::DocumentType>(node);
  switch (token) {
  case Name:
    return String(type.name());
  case Entities:
    return getDOMNamedNodeMap(exec,type.entities());
  case Notations:
    return getDOMNamedNodeMap(exec,type.notations());
  case PublicId: // DOM2
    return String(type.publicId());
  case SystemId: // DOM2
    return String(type.systemId());
  case InternalSubset: // DOM2
    return getString(type.internalSubset()); // can be null, see domts/level2/core/internalSubset01.html
  default:
    kdDebug(6070) << "WARNING: DOMDocumentType::getValueProperty unhandled token " << token << endl;
    return Value();
  }
}

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

/* Source for DOMNamedNodeMapProtoTable.
@begin DOMNamedNodeMapProtoTable 7
  getNamedItem		DOMNamedNodeMap::GetNamedItem		DontDelete|Function 1
  setNamedItem		DOMNamedNodeMap::SetNamedItem		DontDelete|Function 1
  removeNamedItem	DOMNamedNodeMap::RemoveNamedItem	DontDelete|Function 1
  item			DOMNamedNodeMap::Item			DontDelete|Function 1
# DOM2
  getNamedItemNS	DOMNamedNodeMap::GetNamedItemNS		DontDelete|Function 2
  setNamedItemNS	DOMNamedNodeMap::SetNamedItemNS		DontDelete|Function 1
  removeNamedItemNS	DOMNamedNodeMap::RemoveNamedItemNS	DontDelete|Function 2
@end
@begin DOMNamedNodeMapTable 7
  length		DOMNamedNodeMap::Length			DontDelete|Function 1
@end
*/
DEFINE_PROTOTYPE("NamedNodeMap", DOMNamedNodeMapProto)
IMPLEMENT_PROTOFUNC_DOM(DOMNamedNodeMapProtoFunc)
IMPLEMENT_PROTOTYPE(DOMNamedNodeMapProto,DOMNamedNodeMapProtoFunc)

const ClassInfo DOMNamedNodeMap::info = { "NamedNodeMap", 0, &DOMNamedNodeMapTable, 0 };

DOMNamedNodeMap::DOMNamedNodeMap(ExecState *exec, const DOM::NamedNodeMap& m)
  : DOMObject(DOMNamedNodeMapProto::self(exec)), map(m) { }

DOMNamedNodeMap::~DOMNamedNodeMap()
{
  ScriptInterpreter::forgetDOMObject(map.handle());
}

bool DOMNamedNodeMap::hasProperty(ExecState *exec, const Identifier &p) const
{
  // ## missing? array index
  return DOMObject::hasProperty(exec, p);
}

Value DOMNamedNodeMap::tryGet(ExecState* exec, const Identifier &p) const
{
  if (p == lengthPropertyName)
    return Number(map.length());

  // array index ?
  bool ok;
  long unsigned int idx = p.toULong(&ok);
  if (ok)
    return getDOMNode(exec,map.item(idx));

  // Anything else (including functions, defined in the prototype)
  return DOMObject::tryGet(exec, p);
}

Value DOMNamedNodeMapProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
{
  KJS_CHECK_THIS( KJS::DOMNamedNodeMap, thisObj );
  DOM::NamedNodeMap map = static_cast<DOMNamedNodeMap *>(thisObj.imp())->toMap();

  switch(id) {
    case DOMNamedNodeMap::GetNamedItem:
      return getDOMNode(exec, map.getNamedItem(args[0].toString(exec).string()));
    case DOMNamedNodeMap::SetNamedItem:
      return getDOMNode(exec, map.setNamedItem((new DOMNode(exec,KJS::toNode(args[0])))->toNode()));
    case DOMNamedNodeMap::RemoveNamedItem:
      return getDOMNode(exec, map.removeNamedItem(args[0].toString(exec).string()));
    case DOMNamedNodeMap::Item:
      return getDOMNode(exec, map.item(args[0].toInt32(exec)));
    case DOMNamedNodeMap::GetNamedItemNS: // DOM2
      return getDOMNode(exec, map.getNamedItemNS(args[0].toString(exec).string(),args[1].toString(exec).string()));
    case DOMNamedNodeMap::SetNamedItemNS: // DOM2
      return getDOMNode(exec, map.setNamedItemNS(toNode(args[0])));
    case DOMNamedNodeMap::RemoveNamedItemNS: // DOM2
      return getDOMNode(exec, map.removeNamedItemNS(args[0].toString(exec).string(),args[1].toString(exec).string()));
    default:
      break;
  }

  return Undefined();
}

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

const ClassInfo DOMProcessingInstruction::info = { "ProcessingInstruction", &DOMNode::info, &DOMProcessingInstructionTable, 0 };

/* Source for DOMProcessingInstructionTable.
@begin DOMProcessingInstructionTable 3
  target	DOMProcessingInstruction::Target	DontDelete|ReadOnly
  data		DOMProcessingInstruction::Data		DontDelete
  sheet		DOMProcessingInstruction::Sheet		DontDelete|ReadOnly
@end
*/
Value DOMProcessingInstruction::tryGet(ExecState *exec, const Identifier &propertyName) const
{
  return DOMObjectLookupGetValue<DOMProcessingInstruction, DOMNode>(exec, propertyName, &DOMProcessingInstructionTable, this);
}

Value DOMProcessingInstruction::getValueProperty(ExecState *exec, int token) const
{
  switch (token) {
  case Target:
    return String(static_cast<DOM::ProcessingInstruction>(node).target());
  case Data:
    return String(static_cast<DOM::ProcessingInstruction>(node).data());
  case Sheet:
    return getDOMStyleSheet(exec,static_cast<DOM::ProcessingInstruction>(node).sheet());
  default:
    kdDebug(6070) << "WARNING: DOMProcessingInstruction::getValueProperty unhandled token " << token << endl;
    return Value();
  }
}

void DOMProcessingInstruction::tryPut(ExecState *exec, const Identifier &propertyName, const Value& value, int attr)
{
  // Not worth using the hashtable for this one ;)
  if (propertyName == "data")
    static_cast<DOM::ProcessingInstruction>(node).setData(value.toString(exec).string());
  else
    DOMNode::tryPut(exec, propertyName,value,attr);
}

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

const ClassInfo DOMNotation::info = { "Notation", &DOMNode::info, &DOMNotationTable, 0 };