Re: how to implement MAP<std::string,TYPE>
tmk124@gmail.com ???? ????????????????
If all these classes inherit from the same base class, you can use a
map from string to ptrs to representative objects of each class. This
can serve as a good replacement for your need of type introspection.
yes, all these classes inherit from the sam base class.
class CBase
{
.....
// to return results of default constructor
virtual CBase * new_obj() = 0;
// add more prototypes for other constructors
......
virtual const char *name() = 0; // type name
};
class CA : public CBase
{
...
};
class CB : public CBase
{
.....
};
std::map<std::string, CBase *> name_to_type;
After filling the map, you would be able to use these objects, call
their common methods, create objects of the same type, query the name
of their type etc.
now i use the similar method std::map<std::string,CBase*>, especially
it works well
than MAP<std::string,TYPE>.but i want to know whether it can implement
MAP<std::string,TYPE>. i learn loki,boost::mpi before, i subconscious
think it can be implemented.
[ See http://www.gotw.ca/resources/clcm.htm for info about ]
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