C++ dom::Node类代码示例

static QString extractAddress(DOM::Node node) {
	QString rc = ";;";
	QMap<QString,QString> entry;
	DOM::NodeList nodes = node.childNodes();
	unsigned int n = nodes.length();
	for (unsigned int i = 0; i < n; ++i) {
		DOM::Node node = nodes.item(i);
		DOM::NamedNodeMap map = node.attributes();
		for (unsigned int j = 0; j < map.length(); ++j) {
			if (map.item(j).nodeName().string() != "class") {
				continue;
			}
			QString a = map.item(j).nodeValue().string();
			if (a == "street-address") {
				entry["street-address"] = textForNode(node);
			} else if (a == "locality") {
				entry["locality"] = textForNode(node);
			} else if (a == "region") {
				entry["region"] = textForNode(node);
			} else if (a == "postal-code") {
				entry["postal-code"] = textForNode(node);
			}
		}
	}

	rc += entry["street-address"] + ";" + entry["locality"] + ";" + entry["region"] + ";" + entry["postal-code"] + ";" + entry["country"];
	return rc.stripWhiteSpace();
}

  virtual void execute(const DOM::Node<string_type, string_adaptor>& node, 
                       ExecutionContext<string_type, string_adaptor>& context) const
  {
    ParamPasser<string_type, string_adaptor> passer(*this, node, context);

    if(!SortableT::has_sort() && select_ == 0)
    {
      if(node.hasChildNodes())
        context.stylesheet().applyTemplates(node.getChildNodes(), context, mode_);
      return;
    }

    Arabica::XPath::NodeSet<string_type, string_adaptor> nodes;
    if(select_ == 0)
      for(DOM::Node<string_type, string_adaptor> n = node.getFirstChild(); n != 0; n = n.getNextSibling())
        nodes.push_back(n);
    else
    {
      Arabica::XPath::XPathValue<string_type, string_adaptor> value = select_->evaluate(node, context.xpathContext());
      if(value.type() != Arabica::XPath::NODE_SET)
        throw std::runtime_error("apply-templates select expression is not a node-set");
      nodes = value.asNodeSet();
    }
    this->sort(node, nodes, context);
    context.stylesheet().applyTemplates(nodes, context, mode_);
  } // execute

bool KonqMFIcon::hasMicroFormat(DOM::NodeList nodes) {
	bool ok = false;
	unsigned int n = nodes.length();
	for (unsigned int i = 0; i < n; ++i) {
		DOM::Node node = nodes.item(i);
		DOM::NamedNodeMap map = node.attributes();
		for (unsigned int j = 0; j < map.length(); ++j) {
			if (map.item(j).nodeName().string() != "class") {
				continue;
			}
			if (map.item(j).nodeValue().string() == "vevent") {
				ok = true;
				extractEvent(node);
				break;
			}
			if (map.item(j).nodeValue().string() == "vcard") {
				ok = true;
				extractCard(node);
				break;
			}
		}
		if (hasMicroFormat(node.childNodes())) {
			ok = true;
		}
	}
	return ok;
}

void DOMTreeView::slotMovedItems(QPtrList<QListViewItem> &items, QPtrList<QListViewItem> &/*afterFirst*/, QPtrList<QListViewItem> &afterNow)
{
  MultiCommand *cmd = new MultiCommand(i18n("Move Nodes"));
  _refreshed = false;

  QPtrList<QListViewItem>::Iterator it = items.begin();
  QPtrList<QListViewItem>::Iterator anit = afterNow.begin();
  for (; it != items.end(); ++it, ++anit) {
    DOMListViewItem *item = static_cast<DOMListViewItem *>(*it);
    DOMListViewItem *anitem = static_cast<DOMListViewItem *>(*anit);
    DOM::Node parent = static_cast<DOMListViewItem *>(item->parent())->node();
    Q_ASSERT(!parent.isNull());

// kdDebug(90180) << " afternow " << anitem << " node " << (anitem ? anitem->node().nodeName().string() : QString()) << "=" << (anitem ? anitem->node().nodeValue().string() : QString()) << endl;

    cmd->addCommand(new MoveNodeCommand(item->node(), parent,
      anitem ? anitem->node().nextSibling() : parent.firstChild())
    );
  }

  mainWindow()->executeAndAddCommand(cmd);

  // refresh *anyways*, otherwise consistency is disturbed
  if (!_refreshed) refresh();

  slotShowNode(current_node);
}

void KHTMLReader::parseNode(DOM::Node node)
{

    // check if this is a text node.
    DOM::Text t = node;
    if (!t.isNull()) {
        _writer->addText(state()->paragraph, t.data().string(), 1, state()->in_pre_mode);
        return; // no children anymore...
    }

    // is this really needed ? it can't do harm anyway.
    state()->format = _writer->currentFormat(state()->paragraph, true);
    state()->layout = _writer->currentLayout(state()->paragraph);
    pushNewState();

    DOM::Element e = node;

    bool go_recursive = true;

    if (!e.isNull()) {
        // get the CSS information
        parseStyle(e);
        // get the tag information
        go_recursive = parseTag(e);
    }
    if (go_recursive) {
        for (DOM::Node q = node.firstChild(); !q.isNull(); q = q.nextSibling()) {
            parseNode(q);
        }
    }
    popState();


}

bool KHTMLReader::parse_ul(DOM::Element e)
{
    _list_depth++;
    bool popstateneeded = false;
    for (DOM::Node items = e.firstChild();!items.isNull();items = items.nextSibling()) {
        if (items.nodeName().string().toLower() == "li") {
            if (popstateneeded) {
                popState();
                //popstateneeded = false;
            }
            pushNewState();
            startNewLayout();
            popstateneeded = true;
            _writer->layoutAttribute(state()->paragraph, "COUNTER", "numberingtype", "1");
            _writer->layoutAttribute(state()->paragraph, "COUNTER", "righttext", ".");
            if (e.tagName().string().toLower() == "ol") {
                _writer->layoutAttribute(state()->paragraph, "COUNTER", "type", "1");
                _writer->layoutAttribute(state()->paragraph, "COUNTER", "numberingtype", "1");
                _writer->layoutAttribute(state()->paragraph, "COUNTER", "righttext", ".");
            } else {
                _writer->layoutAttribute(state()->paragraph, "COUNTER", "type", "10");
                _writer->layoutAttribute(state()->paragraph, "COUNTER", "numberingtype", "");
                _writer->layoutAttribute(state()->paragraph, "COUNTER", "righttext", "");
            }
            _writer->layoutAttribute(state()->paragraph, "COUNTER", "depth", QString("%1").arg(_list_depth - 1));
        }
        parseNode(items);
    }
    if (popstateneeded)
        popState();
    _list_depth--;
    return false;
}

void DOMTreeView::slotAddTextDlg()
{
  DOMListViewItem *item = static_cast<DOMListViewItem *>(m_listView->currentItem());
  if (!item) return;

  QString text;
  SignalReceiver addBefore;

  {
    TextEditDialog dlg(this, "TextEditDialog", true);
    connect(dlg.insBeforeBtn, SIGNAL(clicked()), &addBefore, SLOT(slot()));

    if (dlg.exec() != QDialog::Accepted) return;

    text = dlg.textPane->text();
  }

  DOM::Node curNode = item->node();

  try {
    DOM::Node parent = addBefore() ? curNode.parentNode() : curNode;
    DOM::Node after = addBefore() ? curNode : 0;

    DOM::Node newNode = curNode.ownerDocument().createTextNode(text);

    ManipulationCommand *cmd = new InsertNodeCommand(newNode, parent, after);
    mainWindow()->executeAndAddCommand(cmd);

    if (cmd->isValid()) activateNode(newNode);

  } catch (DOM::DOMException &ex) {
    mainWindow()->addMessage(ex.code, domErrorMessage(ex.code));
  }
}

void KHTMLReader::completed()
{
    kDebug(30503) << "KHTMLReader::completed";
    qApp->exit_loop();
    DOM::Document doc = _html->document(); // FIXME parse <HEAD> too
    DOM::NodeList list = doc.getElementsByTagName("body");
    DOM::Node docbody = list.item(0);

    if (docbody.isNull()) {
        kWarning(30503) << "no <BODY>, giving up";
        _it_worked = false;
        return;
    }


    parseNode(docbody);

    list = doc.getElementsByTagName("head");
    DOM::Node dochead = list.item(0);
    if (!dochead.isNull())
        parse_head(dochead);
    else
        kWarning(30503) << "WARNING: no html <HEAD> section";

    _writer->cleanUpParagraph(state()->paragraph);
    _it_worked = _writer->writeDoc();
}

void DOMTreeView::initializeOptionsFromNode(const DOM::Node &node)
{
  infoNode = node;

  nodeName->clear();
  nodeType->clear();
  nodeNamespace->clear();
  nodeValue->clear();

  if (node.isNull()) {
    nodeInfoStack->raiseWidget(EmptyPanel);
    return;
  }

  nodeName->setText(node.nodeName().string());
  nodeType->setText(QString::number(node.nodeType()));
  nodeNamespace->setText(node.namespaceURI().string());
//   nodeValue->setText(node.value().string());

  DOM::Element element = node;
  if (!element.isNull()) {
    initializeOptionsFromElement(element);
    return;
  }

  DOM::CharacterData cdata = node;
  if (!cdata.isNull()) {
    initializeOptionsFromCData(cdata);
    return;
  }

  // Fallback
  nodeInfoStack->raiseWidget(EmptyPanel);
}

 virtual bool operator()(const DOM::Node<string_type, string_adaptor>& node) const
 {
   int type = node.getNodeType();
   return (type == DOM::Node_base::ELEMENT_NODE || type == NAMESPACE_NODE_TYPE) && 
          (name_ == node.getNodeName()) &&
          (string_adaptor::empty(node.getNamespaceURI()));
 } // test

 void do_characters(const std::string& ch)
 {
   DOM::Node<std::string> lc = current().getLastChild();
   if(lc == 0 || lc.getNodeType() != DOM::Node_base::TEXT_NODE)
     current().appendChild(document().createTextNode(ch));
   else
     lc.setNodeValue(lc.getNodeValue() + ch);
 } // do_characters

static void clear_node(DOM::Node n) {
  if(!n.isNull())
  while(1) {
    DOM::Node f = n.firstChild();
    if(f.isNull())
      break;
    n.removeChild(f);
  }
}

void DOMTreeView::slotItemClicked(QListViewItem *cur_item)
{
  DOMListViewItem *cur = static_cast<DOMListViewItem *>(cur_item);
  if (!cur) return;

  DOM::Node handle = cur->node();
  if (!handle.isNull()) {
    part->setActiveNode(handle);
  }
}

void DOMTreeView::showRecursive(const DOM::Node &pNode, const DOM::Node &node, uint depth)
{
  DOMListViewItem *cur_item;
  DOMListViewItem *parent_item = m_itemdict.value(pNode.handle(), 0);

  if (depth > m_maxDepth) {
    m_maxDepth = depth;
  }

  if (depth == 0) {
    cur_item = new DOMListViewItem(node, m_listView);
    m_document = pNode.ownerDocument();
  } else {
    cur_item = new DOMListViewItem(node, parent_item);
  }

  //kDebug(90180) << node.nodeName().string() << " [" << depth << "]";
  cur_item = addElement (node, cur_item, false);
  m_listView->setItemExpanded(cur_item, depth < m_expansionDepth);

  if(node.handle()) {
    m_itemdict.insert(node.handle(), cur_item);
  }

  DOM::Node child = node.firstChild();
  if (child.isNull()) {
    DOM::HTMLFrameElement frame = node;
    if (!frame.isNull()) {
      child = frame.contentDocument().documentElement();
    } else {
      DOM::HTMLIFrameElement iframe = node;
      if (!iframe.isNull())
        child = iframe.contentDocument().documentElement();
    }
  }
  while(!child.isNull()) {
    showRecursive(node, child, depth + 1);
    child = child.nextSibling();
  }

  const DOM::Element element = node;
  if (!m_bPure) {
    if (!element.isNull() && !element.firstChild().isNull()) {
      if(depth == 0) {
	cur_item = new DOMListViewItem(node, m_listView, cur_item);
	m_document = pNode.ownerDocument();
      } else {
	cur_item = new DOMListViewItem(node, parent_item, cur_item);
      }
      //kDebug(90180) << "</" << node.nodeName().string() << ">";
      cur_item = addElement(element, cur_item, true);
//       m_listView->setItemExpanded(cur_item, depth < m_expansionDepth);
    }
  }
}

void KGet_plug_in::slotShowLinks()
{
    if ( !parent() || !parent()->inherits( "KHTMLPart" ) )
        return;

    KHTMLPart *htmlPart = static_cast<KHTMLPart*>( parent() );
    KParts::Part *activePart = 0L;
    if ( htmlPart->partManager() )
    {
        activePart = htmlPart->partManager()->activePart();
        if ( activePart && activePart->inherits( "KHTMLPart" ) )
            htmlPart = static_cast<KHTMLPart*>( activePart );
    }

    DOM::HTMLDocument doc = htmlPart->htmlDocument();
    if ( doc.isNull() )
        return;

    DOM::HTMLCollection links = doc.links();

    QPtrList<LinkItem> linkList;
    std::set<QString> dupeCheck;
    for ( uint i = 0; i < links.length(); i++ )
    {
        DOM::Node link = links.item( i );
        if ( link.isNull() || link.nodeType() != DOM::Node::ELEMENT_NODE )
            continue;

        LinkItem *item = new LinkItem( (DOM::Element) link );
        if ( item->isValid() &&
             dupeCheck.find( item->url.url() ) == dupeCheck.end() )
        {
            linkList.append( item );
            dupeCheck.insert( item->url.url() );
        }
        else
            delete item;
    }

    if ( linkList.isEmpty() )
    {
        KMessageBox::sorry( htmlPart->widget(),
            i18n("There are no links in the active frame of the current HTML page."),
            i18n("No Links") );
        return;
    }

    KGetLinkView *view = new KGetLinkView();
    QString url = doc.URL().string();
    view->setPageURL( url );

    view->setLinks( linkList );
    view->show();
}