Getter and setter wrappers for TiXmlElement*'s

TiXmlElement *_rootElement;
TiXmlElement *_dialogsElement;
TiXmlElement *_dialogElement;
TiXmlDocument _document;
void setDocument (TiXmlDocument doc) { this->_document = doc; }
void setRootElement (TiXmlElement * element) { this->_rootElement = element; }
void setDialogsElement (TiXmlElement * element) { this->_dialogsElement = element; }

TiXmlDocument getDocument () { return this->_document; }
TiXmlElement* getRootElement () { return this->_rootElement; }
TiXmlElement* getDialogsElement () { return this->_dialogsElement; }

DCXML::DCXML(const char *dialogMark,const char *dialogName,TiXmlDocument doc) {
...
this->setDocument(doc);
this->setRootElement(this->getDocument().FirstChildElement("dcxml"));
this->setDialogsElement(this->getRootElement()->FirstChildElement("dialogs"));

TiXmlDocument doc(input.gettok(2,""").to_chr());
bool dcxmlFile = doc.LoadFile();
...
DCXML *dcxml = new DCXML(input.gettok(2).to_chr(),input.gettok(3).to_chr(),doc);

this->setDialogsElement(this->getRootElement()->FirstChildElement("dialogs"));

<?xml version="1.0" encoding="utf-8"?>
<dcxml>
    <dialogs>
        <dialog
            name="mediaplayer"
            center=""
            w="300"
            h="400"
            caption="Mamp 4.0 BETA"
            border="btmnzy">
        </dialog>
    </dialogs>
</dcxml>

TiXmlDocument getDocument () { return this->_document; }

const TiXmlElement *    FirstChildElement (const char *value) const // :1
const TiXmlElement *    FirstChildElement (const std::string &_value) const // :2
TiXmlElement       *    FirstChildElement (const std::string &_value) // :3

<implied obj param> <implicit obj param>    <arg1>         <param1>
TiXmlElement&        TiXmlElement const&    char const*    char const*         // :1
TiXmlElement&        TiXmlElement const&    char const*    std::string const&  // :2
TiXmlElement&        TiXmlElement&          char const*    std::string const&  // :3

this->setDialogsElement(
    this->getRootElement()->FirstChildElement(std::string("dialogs")));

this->setDialogsElement(
    const_cast<TiXmlElement const*>(this->getRootElement())->
        FirstChildElement("dialogs"));