当前位置: 首页>>代码示例>>C++>>正文

C++ Node::isNull方法代码示例

本文整理汇总了C++中dom::Node::isNull方法的典型用法代码示例。如果您正苦于以下问题：C++ Node::isNull方法的具体用法？C++ Node::isNull怎么用？C++ Node::isNull使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类dom::Node的用法示例。


在下文中一共展示了Node::isNull方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: completed

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();
}
开发者ID:KDE，项目名称:koffice，代码行数:27，代码来源:khtmlreader.cpp

示例2: clear_node

static void clear_node(DOM::Node n) {
  if(!n.isNull())
  while(1) {
    DOM::Node f = n.firstChild();
    if(f.isNull())
      break;
    n.removeChild(f);
  }
}
开发者ID:Axure，项目名称:tagua，代码行数:9，代码来源:movelist_textual.cpp

示例3: showRecursive

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);
    }
  }
}
开发者ID:blue-shell，项目名称:folderview，代码行数:55，代码来源:domtreeview.cpp

示例4: moveToParent

void DOMTreeView::moveToParent()
{
  // This is a hypersmart algorithm.
  // If infoNode is defined, go to the parent of infoNode, otherwise, go
  // to the parent of the tree view's current item.
  // Hope this isn't too smart.

  DOM::Node cur = infoNode;
  if (cur.isNull()) cur = static_cast<DOMListViewItem *>(m_listView->currentItem())->node();

  if (cur.isNull()) return;

  cur = cur.parentNode();
  activateNode(cur);
}
开发者ID:iegor，项目名称:kdesktop，代码行数:15，代码来源:domtreeview.cpp

示例5: extractCard

void KonqMFIcon::extractCard(DOM::Node node) {
	QString name, value;
	DOM::NodeList nodes = node.childNodes();
	unsigned int n = nodes.length();
	value += "BEGIN:VCARD\nVERSION:3.0\n";
	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;
			}
			QStringList l = QStringList::split(' ', map.item(j).nodeValue().string());
			for (QStringList::ConstIterator it = l.begin(); it != l.end(); ++it) {
				if (*it == "photo") {
				} else if (*it == "adr") {
					value += "ADR:" + extractAddress(node) + "\n";
				} else if (*it == "tel") {
					value += "TEL;TYPE=VOICE:" + textForNode(node) + "\n";
				} else if (*it == "fn") {
					name = textForNode(node);
					value += "FN:" + name + "\n";
				} else if (*it == "url") {
					DOM::Node at = node.attributes().getNamedItem("href");
					if (!at.isNull()) {
						value += "URL:" + at.nodeValue().string().stripWhiteSpace() + "\n";
					}
				} else if (*it == "email") {
					DOM::Node at = node.attributes().getNamedItem("href");
					if (!at.isNull()) {
						QString v = at.nodeValue().string();
						if (v.startsWith("mailto:")) {
							v = v.mid(7);
						}
						value += "EMAIL:" + v.stripWhiteSpace() + "\n";
					}
				} else if (*it == "org") {
					value += "ORG:" + textForNode(node) + "\n";
				}
			}
		}
	}

	if (!name.isEmpty()) {
		value += "END:VCARD\n";
		_cards.append(qMakePair(name, value));
	}
}
开发者ID:iegor，项目名称:kdesktop，代码行数:48，代码来源:konqmficon.cpp

示例6: evaluate

QVariant KJSProxyImpl::evaluate(QString filename, int baseLine,
                                const QString&str, const DOM::Node &n, Completion *completion) {
  // evaluate code. Returns the JS return value or an invalid QVariant
  // if there was none, an error occured or the type couldn't be converted.

  initScript();
  // inlineCode is true for <a href="javascript:doSomething()">
  // and false for <script>doSomething()</script>. Check if it has the
  // expected value in all cases.
  // See smart window.open policy for where this is used.
  bool inlineCode = filename.isNull();
  //kdDebug(6070) << "KJSProxyImpl::evaluate inlineCode=" << inlineCode << endl;

#ifdef KJS_DEBUGGER
  if (inlineCode)
    filename = "(unknown file)";
  if (KJSDebugWin::instance()) {
    KJSDebugWin::instance()->attach(m_script);
    KJSDebugWin::instance()->setNextSourceInfo(filename,baseLine);
  //    KJSDebugWin::instance()->setMode(KJSDebugWin::Step);
  }
#else
  Q_UNUSED(baseLine);
#endif

  m_script->setInlineCode(inlineCode);
  Window* window = Window::retrieveWindow( m_part );
  KJS::Value thisNode = n.isNull() ? Window::retrieve( m_part ) : getDOMNode(m_script->globalExec(),n);

  UString code( str );

  KJSCPUGuard guard;
  guard.start();
  Completion comp = m_script->evaluate(code, thisNode);
  guard.stop();

  bool success = ( comp.complType() == Normal ) || ( comp.complType() == ReturnValue );

  if (completion)
    *completion = comp;

#ifdef KJS_DEBUGGER
    //    KJSDebugWin::instance()->setCode(QString::null);
#endif

  window->afterScriptExecution();

  // let's try to convert the return value
  if (success && !comp.value().isNull())
    return ValueToVariant( m_script->globalExec(), comp.value());
  else
  {
    if ( comp.complType() == Throw )
    {
        UString msg = comp.value().toString(m_script->globalExec());
        kdWarning(6070) << "Script threw exception: " << msg.qstring() << endl;
    }
    return QVariant();
  }
}
开发者ID:crutchwalkfactory，项目名称:motocakerteam，代码行数:60，代码来源:kjs_proxy.cpp

示例7: parse_ul

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;
}
开发者ID:KDE，项目名称:koffice，代码行数:33，代码来源:khtmlreader.cpp

示例8: slotMovedItems

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);
}
开发者ID:iegor，项目名称:kdesktop，代码行数:27，代码来源:domtreeview.cpp

示例9: parseNode

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();


}
开发者ID:KDE，项目名称:koffice，代码行数:34，代码来源:khtmlreader.cpp

示例10: initializeOptionsFromNode

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);
}
开发者ID:iegor，项目名称:kdesktop，代码行数:34，代码来源:domtreeview.cpp

示例11: slotItemClicked

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);
  }
}
开发者ID:iegor，项目名称:kdesktop，代码行数:10，代码来源:domtreeview.cpp

示例12: extractEvent

void KonqMFIcon::extractEvent(DOM::Node node) {
	QString name, value = "BEGIN:VCALENDAR\nPRODID:-//Konqueror//EN\nVERSION:2.0\nBEGIN:VEVENT\n";
	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;
			}
			QStringList l = QStringList::split(' ', map.item(j).nodeValue().string());
			for (QStringList::ConstIterator it = l.begin(); it != l.end(); ++it) {
				if (*it == "url") {
					DOM::Node at = node.attributes().getNamedItem("href");
					if (!at.isNull()) {
						value += "URL:" + at.nodeValue().string().stripWhiteSpace() + "\n";
					}
				} else if (*it == "dtstart") {
					DOM::Node at = node.attributes().getNamedItem("title");
					if (!at.isNull()) {
						value += "DTSTART:" + at.nodeValue().string().stripWhiteSpace() + "\n";
					}
				} else if (*it == "dtend") {
					DOM::Node at = node.attributes().getNamedItem("title");
					if (!at.isNull()) {
						value += "DTEND:" + at.nodeValue().string().stripWhiteSpace() + "\n";
					}
				} else if (*it == "summary") {
					name = textForNode(node);
					value += "SUMMARY:" + name + "\n";
				} else if (*it == "location") {
					value += "LOCATION:" + textForNode(node) + "\n";
				}
			}
		}
	}

	if (!name.isEmpty()) {
		value += "END:VEVENT\nEND:VCALENDAR\n";
		_events.append(qMakePair(name, value));
	}
}
开发者ID:iegor，项目名称:kdesktop，代码行数:43，代码来源:konqmficon.cpp

示例13: clear_from

static void clear_from(DOM::Node n) {
  DOM::Node p = n.parentNode();
  while(1) {
    DOM::Node next = n.nextSibling();
    p.removeChild(n);
    if(next.isNull())
      break;
    n = next;
  }
}
开发者ID:Axure，项目名称:tagua，代码行数:10，代码来源:movelist_textual.cpp

示例14: slotShowLinks

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();
}
开发者ID:woodyplus，项目名称:kde3-kdenetwork，代码行数:54，代码来源:kget_plug_in.cpp

示例15: remove

void ManipulateNodeCommand::remove()
{
  DOM::DocumentFragment frag = _node;

  if (frag.isNull()) {	// do a normal remove
    _node = _parent.removeChild(_node);

  } else {		// remove fragment nodes and recreate fragment
    DOM::DocumentFragment newfrag = _parent.ownerDocument().createDocumentFragment();

    for (DOM::Node i = frag.firstChild(); !i.isNull(); i = i.nextSibling()) {
      newfrag.appendChild(_parent.removeChild(i));
    }

    _node = newfrag;
  }
}
开发者ID:vishesh，项目名称:kde-baseapps，代码行数:17，代码来源:domtreecommands.cpp


注：本文中的dom::Node::isNull方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。