C++ TiXmlNode::NoChildren方法代码示例

bool ProjectPanel::buildTreeFrom(TiXmlNode *projectRoot, HTREEITEM hParentItem)
{
    for (TiXmlNode *childNode = projectRoot->FirstChildElement();
            childNode ;
            childNode = childNode->NextSibling())
    {
        const TCHAR *v = childNode->Value();
        if (lstrcmp(TEXT("Folder"), v) == 0)
        {
            HTREEITEM addedItem = _treeView.addItem((childNode->ToElement())->Attribute(TEXT("name")), hParentItem, INDEX_CLOSED_NODE);
            if (!childNode->NoChildren())
            {
                bool isOK = buildTreeFrom(childNode, addedItem);
                if (!isOK)
                    return false;
            }
        }
        else if (lstrcmp(TEXT("File"), v) == 0)
        {
            const TCHAR *strValue = (childNode->ToElement())->Attribute(TEXT("name"));
            generic_string fullPath = getAbsoluteFilePath(strValue);
            TCHAR *strValueLabel = ::PathFindFileName(strValue);
            int iImage = ::PathFileExists(fullPath.c_str())?INDEX_LEAF:INDEX_LEAF_INVALID;
            _treeView.addItem(strValueLabel, hParentItem, iImage, fullPath.c_str());
        }
    }
    return true;
}

void XMLConfiguration::set_value(const string& section, const string& object, const string& value)
{
	bool section_found = false;
	bool object_found = false;
	
	TiXmlNode* child = 0;
	
	TiXmlNode* nephew = 0;
	
	if(m_document->NoChildren()==false)
	{
		
		while((!section_found) && ( child = m_document->IterateChildren( child ) ))
		{
			if(string(child->Value())==section)
			{
				section_found = true;
			}
		}
	}
		
	if(section_found == false)
	{
		LOG_INFO("XMLConfiguration: no section "<<section<<" found, creating.");
		child = new TiXmlElement( section.c_str() );
		m_document->LinkEndChild( child );
	}
	
	if(child->NoChildren()==false)
	{
		
		while((!object_found) &&( nephew = child->IterateChildren( nephew ) ))
		{
			if(string(nephew->Value())==object)
			{
				object_found = true;
			}
		}
	}
	
	if(object_found == false)
	{
		LOG_INFO("XMLConfiguration: no object "<<section<<"/"<<object<<" found, creating.");
		nephew = new TiXmlElement( object.c_str() );
		child->LinkEndChild( nephew );
	}
	
	nephew->Clear();
	
	TiXmlText* text_element = new TiXmlText( value.c_str() );
	nephew->LinkEndChild( text_element );
	
}

void XMLConfiguration::remove_object(const string& section_name, const string& object_name)
{
	bool section_found = false;
	bool object_found = false;
	
	TiXmlNode* child = 0;
	
	TiXmlNode* nephew = 0;
	
	if(m_document->NoChildren()==false)
	{
		
		while((!section_found) && ( child = m_document->IterateChildren( child ) ))
		{
			if(string(child->Value())==section_name)
			{
				section_found = true;
			}
		}
	}
		
	if(section_found == false)
	{
		return;
	}
	
	if(child->NoChildren()==false)
	{
		
		while((!object_found) && ( nephew = child->IterateChildren( nephew ) ))
		{
			if(string(nephew->Value())==object_name)
			{
				object_found = true;
			}
		}
	}
	
	if(object_found == false)
	{
		return;
	}
	
	child->RemoveChild(nephew);
}

void CRssReader::GetNewsItems(TiXmlElement* channelXmlNode, int iFeed)
{
  HTML::CHTMLUtil html;

  TiXmlElement * itemNode = channelXmlNode->FirstChildElement("item");
  std::map<std::string, std::wstring> mTagElements;
  typedef std::pair<std::string, std::wstring> StrPair;
  std::list<std::string>::iterator i;

  // Add the title tag in if we didn't pass any tags in at all
  // Represents default behaviour before configurability

  if (m_tagSet.empty())
    AddTag("title");

  while (itemNode > 0)
  {
    TiXmlNode* childNode = itemNode->FirstChild();
    mTagElements.clear();
    while (childNode > 0)
    {
      std::string strName = childNode->ValueStr();

      for (i = m_tagSet.begin(); i != m_tagSet.end(); ++i)
      {
        if (!childNode->NoChildren() && *i == strName)
        {
          std::string htmlText = childNode->FirstChild()->ValueStr();

          // This usually happens in right-to-left languages where they want to
          // specify in the RSS body that the text should be RTL.
          // <title>
          //  <div dir="RTL">��� ����: ���� �� �����</div>
          // </title>
          if (htmlText == "div" || htmlText == "span")
            htmlText = childNode->FirstChild()->FirstChild()->ValueStr();

          std::wstring unicodeText, unicodeText2;

          g_charsetConverter.utf8ToW(htmlText, unicodeText2, m_rtlText);
          html.ConvertHTMLToW(unicodeText2, unicodeText);

          mTagElements.insert(StrPair(*i, unicodeText));
        }
      }
      childNode = childNode->NextSibling();
    }

    int rsscolour = RSS_COLOR_HEADLINE;
    for (i = m_tagSet.begin(); i != m_tagSet.end(); ++i)
    {
      std::map<std::string, std::wstring>::iterator j = mTagElements.find(*i);

      if (j == mTagElements.end())
        continue;

      std::wstring& text = j->second;
      AddString(text, rsscolour, iFeed);
      rsscolour = RSS_COLOR_BODY;
      text = L" - ";
      AddString(text, rsscolour, iFeed);
    }
    itemNode = itemNode->NextSiblingElement("item");
  }
}