#include<iostream>
#include<string>
#include<vector> 
#include "Regex.h"


typedef std::string Name;

template <typename T> 
Name GetVectorTypeName() {
  Name name = typeid(T).name();
  Regex testvector("class std::vector<([^,]*)(?:[^]*)>");
  std::vector<std::string> results; 
  if( testvector.Begins( name, results ) ) {
    name = results[1];
    Regex stripclassorstruct("(?:class|struct)\\s+([^]*)");
    std::vector<std::string> name_matches; 
    if( stripclassorstruct.Find( name, name_matches )) {
      name = name_matches[1];
    }
    for( std::string::iterator it = name.begin(), end = name.end(); it != end; ++it ) {
      *it = tolower(*it);
    }
    return name;
  } else {
    return "";
  }
}


typedef void (*CreatorFunc)(void**);
typedef void (*ConstructorFunc)(void*, const std::vector<std::string>& data );

void CreateString( void **obj ) {
  *obj = new std::string;
}
void DestroyString( void **obj ) {
  std::string* str = (std::string*)*obj; 
  delete str; 
  *obj = NULL;
}
void ConstructString( void* obj, const std::string& data ) {
  *(std::string*)obj = data; 
}

// Create instance 
template <typename T> void CreateVector( void **object ) {
  *object = new T; 
}

// Vector specialised construction 
template <typename T> void ConstructVector( void* object, const std::vector<std::string>& data ) {
  T* vec = (T*)object;
  Name vector_type = GetVectorTypeName<T>();
  
  void *obj; 
  CreateString(&obj);
  // All fields in this type should be valid objects for this vector 
  for( std::vector<std::string>::const_iterator it = data.begin(), end = data.end(); it != end; ++it ) {
    // Push it 
    vec->push_back(*obj);
    // Get address to new instance 
    void *newly = &vec->back(); 
    ConstructString(newly,*it);
  }
  DestroyString(&obj);

}


int main( int argc, char **argv ) {

  CreatorFunc vcreate = CreateVector<std::vector<std::string>>;
  ConstructorFunc vcon = ConstructVector<std::vector<std::string>>;

  std::vector<std::string> data; 
  data.push_back("x");
  data.push_back("y");
  data.push_back("z");

  void *copy_obj; 
  vcreate(&copy_obj);
  vcon(copy_obj,data);

  return 0;
}