You like the Long or fast way to transport self made class on QObject?

Here a short way..

Qt Code: 
  1. class Qmailf;
  2.  
  3. /// 6 okt. 2013 save on svn 
  4. /// great this to push class on qvariant
  5. //// http://qt-gmail-access.googlecode.com/svn/trunk/GmailHand/mime_standard.h
  6.  
  7. template <class T> class VPtr {
  8. public:
  9.  
  10.     static T* asPtr(QVariant v) {
  11.         return (T *) v.value<void *>();
  12.     }
  13.  
  14.     static QVariant asQVariant(T* ptr) {
  15.         return qVariantFromValue((void *) ptr);
  16.     }
  17. };
  18.  
  19. /*
  20.  http://blog.bigpixel.ro/2010/04/storing-pointer-in-qvariant/
  21.  MyClass *p;
  22. QVariant v = VPtr<MyClass>::asQVariant(p);
  23.  
  24. MyClass *p1 = VPtr<MyClass>::asPtr(v);
  25.  *  MMime::MimeTypes help;
  26.  */
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Or the long long way...

Qt Code: 
  1. class Qmailf {
  2. public:
  3.     Qmailf(int id) : chunk(""), mime("txt"), file("file.txt"), ext("txt"), uuid(id) {
  4.  
  5.     }
  6.     void SetChunk(const QByteArray& x) {
  7.         chunk = x;
  8.         ///// qDebug() << "incomming <" << uuid << ">  ";
  9.     }
  10.     /// set mime automatic 
  11.     /// todo filename resolver from header && id from inline image 
  12.     void SetMeta(const QString x) {
  13.         meta_header = x;
  14.         MMime::MimeTypes help;
  15.         mime = help.Contenttype_Resolver(x);
  16.         ext = help.MimeFromContent(mime);
  17.         QString def(QString("mail_header_%1.%2").arg(uuid).arg(ext));
  18.         file = def;
  19.     }
  20.      /// no make file or db  take the chunk from mail and send at the right place
  21.     void SetFile(const QString dfile) {
  22.         MMime::MimeTypes fmime;
  23.         QFileInfo fi(dfile);
  24.         file = fi.fileName();
  25.         ext = fi.suffix();
  26.         mime = fmime.value(ext);
  27.     }
  28.     QByteArray Chunk() {
  29.         return chunk;
  30.     }
  31.     QString Mime() {
  32.         return mime;
  33.     }
  34.     int Uid() {
  35.         return uuid;
  36.     }
  37.     QString Filename() {
  38.         return file;
  39.     }
  40.     void Info() {
  41.         QByteArray text = QByteArray::fromBase64(chunk);
  42.         qDebug() << "Content-Type:" << Mime() << " - " <<   Filename();
  43.         qDebug() << "Meta:" << meta_header;
  44.         qDebug() << "Body first 28 chunk:" << text.mid(0,20).simplified();
  45.         text.clear();
  46.     }
  47. private:
  48.     QByteArray chunk; // base64 encoded or other meta_heade having info
  49.     QString mime;
  50.     QString meta_header;  /// meta info  to create a file or o drupal node 
  51.     QString file;
  52.     QString ext;
  53.     int uuid;
  54. };
  55.  
  56. typedef QMap<int, QVariant> Attach_File_Map;
  57. //// http://www.qtcentre.org/wiki/index.php?title=Using_custom_data_types_with_Qt
  58.  
  59. /// from this can create 
  60. /// mail dir format or other 
  61. /// i need to convert on drupal node and send on cms 
  62.  
  63. struct ICmail {
  64.     quint64 uuid;
  65.     QString msgid;
  66.     quint64 multipart;
  67.     QString sender;  //// long chunk history from one mail 
  68.     QString md5; /// from incomming file server
  69.     QString from;
  70.     QString to;
  71.     QString subject;
  72.     QByteArray charcodec;
  73.     QString transferencoding;
  74.     QString language;
  75.     QString date;
  76.     QString txt;
  77.     QString html; // image inline base64 encodet
  78.     QString master;
  79.     QString boundary;
  80.     QString root_cmd;
  81.     QMap<int, QVariant> alist;
  82.     operator QVariant() const {
  83.         return QVariant::fromValue(*this);
  84.     }
  85. };
  86.  
  87. /// todo a textstream for console to insert chort info from this mail
  88.  
  89. inline QDataStream& operator<<(QDataStream& out, const ICmail& mail) {
  90.     out << mail.from;
  91.     out << mail.subject;
  92.     out << mail.md5;
  93.     out << mail.date;
  94.     out << mail.boundary;
  95.     return out;
  96. }
  97. inline QDataStream& operator>>(QDataStream& in, ICmail& mail) {
  98.     in >> mail.from;
  99.     in >> mail.subject;
  100.     in >> mail.md5;
  101.     in >> mail.date;
  102.     in >> mail.boundary;
  103.     return in;
  104. }
  105.  
  106. /*
  107.  
  108.   << mail.txt << ",\n"
  109.   << mail.html << ",\n"
  110.  */
  111. inline QDebug &operator <<(QDebug debug, const ICmail &mail) {
  112.     debug.nospace() << "ICmail{start(\n"
  113.             << mail.from << ",\n"
  114.             << mail.subject << ",\nContent-Transfer-Encoding:"
  115.             << mail.transferencoding << "\n,"
  116.             << mail.date << "\n,"
  117.             << mail.boundary << "\n,"
  118.             << mail.multipart << "\n,\nRoot cmd Content-Type:\n"
  119.             << mail.root_cmd << ")end}\n";
  120.  
  121.     return debug.space();
  122. }
  123. Q_DECLARE_METATYPE(ICmail);
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