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  1. #include <iostream>
  2. #include <map>
  3. #include <memory>
  4. #include <string>
  5. #include <typeindex>
  6. #include <typeinfo>
  7.  
  8. using namespace std;
  9.  
  10. class DataInOut {
  11. public:
  12.     shared_ptr<void> data = nullptr;
  13.     type_index type = typeid(nullptr);
  14.     bool initialized = false;
  15.     bool optional = false;
  16.  
  17.     // template <class Archive>
  18.     virtual bool dummy_funct(int &ar, const char* charName){
  19.         cout<< "serialize_or_throw from DataInOut address is an empty function." << endl; 
  20.         return true;
  21.     }
  22.  
  23.     virtual shared_ptr<DataInOut> clone() const { return make_shared<DataInOut>(*this); }
  24.  
  25.     virtual ~DataInOut() = default; // Destructor
  26. };
  27.  
  28. template <typename T>
  29. class DataInOutType : public DataInOut {
  30. public: 
  31.     // template <class Archive>
  32.     bool dummy_funct(int &ar, const char* charName){
  33.         cout << "serialize_or_throw from DataInOutTYPE is an FULL function." << endl;
  34.         return true;
  35.     }
  36.  
  37.     shared_ptr<DataInOut> clone() const override { return make_shared<DataInOutType<T>>(*this); }
  38. }; 
  39.  
  40. class mapClass {
  41. private:
  42.     map<string, shared_ptr<DataInOut> > _m;
  43.  
  44. public:
  45.  
  46.     template<typename T>
  47.     void set(const string &key, shared_ptr<T> var, bool optional = false) {
  48.         cout << "set entry with " << var.get() << endl;
  49.         auto dataIO_ptr = make_shared<DataInOutType<T>>();
  50.         dataIO_ptr->type = typeid(T);
  51.         dataIO_ptr->data = var;
  52.         dataIO_ptr->optional = optional;
  53.         dataIO_ptr->initialized = true;
  54.         _m[key] = dataIO_ptr;
  55.         int toto = 1;
  56.         // dataIO_ptr->dummy_funct(toto, key.c_str());
  57.         // cout << "set EXIT" << endl;
  58.     }
  59.  
  60.     void call_dummy(const string &key){
  61.         int dummyArchive = 1;
  62.         _m.at(key)->dummy_funct(dummyArchive, key.c_str());
  63.     }
  64. };
  65.  
  66. int main() {
  67.     cout << "Hello World!" << endl;
  68.  
  69.     mapClass mapTest;
  70.     auto length = make_shared<double>(1.0);
  71.  
  72.     mapTest.set("length", length);
  73.     cout << "mapTest is out of set" << endl;
  74.     mapTest.call_dummy("length");
  75.  
  76.     cout << "ByeBye!" << endl;
  77.     return 0;
  78. }
Success #stdin #stdout 0.01s 5484KB
comments (?)
stdin 
Standard input is empty
stdout 
Hello World!
set entry with 0x55dfafe6ee90
mapTest is out of set
serialize_or_throw from DataInOutTYPE is an FULL function.
ByeBye!
https://ideone.com/YZdSm2
language:
C++ 4.3.2 (gcc-4.3.2)
created:
3 years ago
visibility:
public

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