Files
abaddon/util.hpp
2020-09-05 20:58:11 -04:00

32 lines
877 B
C++

#pragma once
#include <algorithm>
#include <cstdlib>
#include <vector>
#include <functional>
#include <iterator>
template<typename T>
inline void AlphabeticalSort(typename T start, typename T end, std::function<std::string(const typename std::iterator_traits<T>::value_type &)> get_string) {
std::sort(start, end, [&](const auto &a, const auto &b) -> bool {
const std::string &s1 = get_string(a);
const std::string &s2 = get_string(b);
if (s1.empty() || s2.empty())
return s1 < s2;
bool ac[] = {
!isalnum(s1[0]),
!isalnum(s2[0]),
!!isdigit(s1[0]),
!!isdigit(s2[0]),
!!isalpha(s1[0]),
!!isalpha(s2[0]),
};
if ((ac[0] && ac[1]) || (ac[2] && ac[3]) || (ac[4] && ac[5]))
return s1 < s2;
return ac[0] || ac[5];
});
}