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polybar/include/utils/factory.hpp
2016-12-03 16:44:08 +01:00

35 lines
694 B
C++

#pragma once
#include <unistd.h>
#include "common.hpp"
POLYBAR_NS
namespace factory_util {
struct null_deleter {
template <typename T>
void operator()(T*) const {}
};
struct fd_deleter {
void operator()(int* fd) const {
if (fd != nullptr && *fd > 0) {
close(*fd);
}
}
};
template <class InstanceType, class... Deps>
unique_ptr<InstanceType> generic_instance(Deps... deps) {
return make_unique<InstanceType>(deps...);
}
template <class InstanceType, class... Deps>
shared_ptr<InstanceType> generic_singleton(Deps... deps) {
static auto instance = make_shared<InstanceType>(deps...);
return instance;
}
}
POLYBAR_NS_END