Files
essim/src/system/syselmts.hpp

89 lines
1.9 KiB
C++

#ifndef _SYSELEMENTS_HPP_
#define _SYSELEMENTS_HPP_
#include <string>
#include <vector>
#include <unordered_map>
#include <stdexcept>
using namespace std;
class SystemElement
{
public:
string name;
SystemElement(string name) : name(name) {};
};
template <typename T>
class SystemElementContainer : public SystemElement
{
private:
//static_assert(is_base_of<SystemElement, T>::value, "T shall be a system element descendant !");
unsigned int iter_count;
unordered_map<string, T*> content;
void add(unordered_map<string, T*> el_content)
{
for (const auto &[key, value] : el_content)
{
add(value);
}
}
public:
SystemElementContainer(string name) : SystemElement(name) {};
SystemElementContainer(string name, vector<T *> elements) : SystemElement(name)
{
add(elements);
}
bool exists(string name)
{
try
{
get(name);
return true;
}
catch (const exception &e)
{
return false;
}
}
void add(T* element)
{
if ("" == element->name)
{
throw runtime_error("System elements with empty names are forbidden");
}
if (exists(element->name))
{
throw runtime_error("System elements of same names are forbidden");
}
content.insert({element->name, element});
}
void add(SystemElementContainer<T> *elements)
{
add(elements->content);
}
void add(vector<T*> elements)
{
for (auto &element : elements)
{
add(element);
}
}
T *get(string name)
{
auto it = content.find(name);
if (it != content.end())
{
return it->second;
}
else
{
throw runtime_error("System elements not found");
}
}
};
#endif