menuutils.cpp

#include "menuutils.h"
#include <locale>
#include <sstream>

template<typename Out>
void split(const std::string &s, char delim, Out result) {
    std::stringstream ss;
    ss.str(s);
    std::string item;
    while (std::getline(ss, item, delim)) {
        *(result++) = item;
    }
}

namespace NativeMenu {
    unsigned numZeroes(unsigned number) {
        unsigned digits = 0;
        while (number % 10 == 0) {
            if (number == 0) break;
            number /= 10;
            digits++;
        }
        return digits;
    }

    unsigned behindDec(float f) {
        unsigned max = 6;
        unsigned base = 1;
        for (unsigned i = 0; i < max; i++) {
            base *= 10;
        }
        int nums = (max)-numZeroes(unsigned(f*base));
        return nums < 0 ? 1 : nums;
    }

    std::vector<std::string> split(const std::string &s, char delim) {
        std::vector<std::string> elems;
        ::split(s, delim, std::back_inserter(elems));
        return elems;
    }

float lerp(float a, float b, float f) {
    return a + f * (b - a);
}
}