C / C++ / MFC

struct S{
  int value;
  double number;
}
//...
  S to_serialize{1, 3.14};
  std::string tag;
  stream strm;
  
  //fantasy code below
  for (auto& m: members_of(S))
  {
    strm << name_of(m) << ': ';
    strm << to_serialize.m << std::endl;
  }

value: 1
number: 3.14

Mircea Neacsu wrote:

AFAIK there is no reflection in C++.

honey the codewitch wrote:

RTTI

honey the codewitch wrote:

I'd probably still avoid it unless it solved a very significant problem

honey the codewitch wrote:

Metadata ain't free.

Salvatore Terress wrote:

Please follow the established CodeProject instruction and read the post.
PLEASE no references to AI regular expression generators.

// matches first hci1  twice

Salvatore Terress wrote:

It matches only first occurrence of hci1" and twice

Salvatore Terress wrote:

I need to learn TO BUILD regular repression

{// global matching code block

                    text = " START MATCH NAME AND ADDRESS CODE BLOCK ";
                    textEditPtr_DEBUG->append(text);

#ifdef TASK
              DELETED 
#endif

                    QString word;
                    QStringList words;
                    QString pattern = "Devices:\n\thci1\t00:50:B6:80:4D:5D\n\thci0\t00:15:83:15:A2:CB\n";
                    //QRegularExpression re("(\\w+)");
                    //QRegularExpression re("([0-F]{2}[:-]){5})");
                    //QRegularExpression re("([0-F]{2}[:])"); // match xx:
                    //QRegularExpression re("(([0-F]{2}[:]){5}[0-F]{2})"); // TOK match full BOTH addressxx:
                    // QRegularExpression re("((hci[0-9])(([0-F]{2}[:]){5}[0-F]{2}))"); NO GO 
                    //QRegularExpression re("(hci[0-9])"); TOK
                    QRegularExpression re("(([0-F]{2}[:]){5}[0-F]{2})");
                    QRegularExpressionMatchIterator i = re.globalMatch(pattern);
               
                    text = " HAS MATCH MULTI";
                    qDebug()<< text;

                    textEditPtr_DEBUG->append(text);
#ifdef BYPASS no go
                    foreach(auto item,i)
                    {
                    text = " TEST foreach ";
                    text += item;
                    qDebug()<< text;

                    textEditPtr_DEBUG->append(text);
                    }

#endif
                    while (i.hasNext()) {
                    QRegularExpressionMatch match = i.next();
                    word = match.captured(1);
                    words << word;
                    qDebug()<< word;

                    text =  " Full match name and address...  ";
                    text += word;
                    qDebug()<< text;

                    textEditPtr_DEBUG->append(text);
                    //}
                    }
#ifdef BYPASS
                    else
                    {
                    text = " NO MATCH  MULTI";
                    }
#endif
                    qDebug()<< text;

                    text = " END MATCH ADDRESS CODE BLOCK ";
                    textEditPtr_DEBUG->append(text);

                }

Salvatore Terress wrote:

Here in my text to find matches of ALL "hci" in it:

"Devices:\n\thci1\t00:50:B6:80:4D:5D\n\thci0\t00:15:83:15:A2:CB\n"

hci 00:50:B6:80:4D:5D
hci 00:15:83:15:A2:CB

(hci\w+([a-fA-F0-9][a-fA-F0-9]:)+[a-fA-F0-9][a-fA-F0-9])

Salvatore Terress wrote:

If I opt to use QRegularExpressionMatchIterator i = re.globalMatch(pattern);

Salvatore Terress wrote:

There should be at lest three "code groups " delimited by "(,,,code group... )"

((?:abc|def)xyz)

Salvatore Terress wrote:

the analysis of "xx:"

void EditInt(int& IntRef)
{
   IntRef=7;
}

int AnInt=6;
EditInt(AnInt);

Greg Utas wrote:

That's passing as a pointer, not as a reference.

void function(type& arg)
{
   if(&arg == nullptr)
      throw std::invalid_argument("function received null argument");
}

type* nasty = nullptr;
function(*nasty);