67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
#ifndef STRINGCONV_H
|
|
#define STRINGCONV_H
|
|
#include <type_traits>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <cstdlib>
|
|
#include <cmath>
|
|
#include <cstring>
|
|
#include <ranges>
|
|
|
|
namespace ranges = std::ranges;
|
|
namespace views = std::ranges::views;
|
|
constexpr size_t buffer_size = 32;
|
|
|
|
namespace string{
|
|
template <typename T>
|
|
requires std::is_same_v<std::string, T> || std::is_same_v<const char *, T>
|
|
inline std::string replace_string(const std::string &str, T d, T e)
|
|
{
|
|
std::string result = str;
|
|
if (d == e)
|
|
{
|
|
return result;
|
|
}
|
|
size_t len = 0;
|
|
while (true)
|
|
{
|
|
auto pos = result.find(d);
|
|
if (pos == std::string::npos)
|
|
{
|
|
return result;
|
|
}
|
|
if constexpr (std::is_same_v<T, const char *>)
|
|
{
|
|
len = std::strlen(d);
|
|
}
|
|
else
|
|
{
|
|
len = d.length();
|
|
}
|
|
result = result.replace(pos, len, e);
|
|
}
|
|
}
|
|
|
|
template <typename T = std::string>
|
|
requires std::is_same_v<T, std::string> ||
|
|
std::is_same_v<T, std::string_view>
|
|
inline std::vector<T> split(T str, T d)
|
|
{
|
|
auto v = views::split(str, d) | views::transform([](auto word)
|
|
{ return T(word.begin(), word.end()); });
|
|
return std::vector<T>(v.begin(), v.end());
|
|
}
|
|
|
|
template<typename T>
|
|
requires std::is_same_v<T, double> || std::is_same_v<T, float>
|
|
double round(T value, int c){
|
|
auto temp = 1;
|
|
for(int i=0;i<c;i++){
|
|
temp=temp*10;
|
|
}
|
|
return std::round(value*temp)/temp;
|
|
}
|
|
}
|
|
|
|
#endif
|