example.cpp

#include <deque>
#include <iostream>
#include <unordered_map>
#include <vector>

#include "py_string.hpp"

int main(int argc, char const *argv[])
{
  using namespace std;
  // string multiplication
  py::string multiplication = "hello world!";

  std::cout << multiplication * 2 << std::endl;
  // hello world!hello world!

  // Subscript operator
  py::string Subscript_operator = "0123456789";

  cout << Subscript_operator[0] << endl;

  cout << Subscript_operator[-1] << endl; // last element

  cout << Subscript_operator[-3] << endl; // third element from the back (7)

  // string slice
  py::string slice = "0123456789";

  cout << slice.slice(0, 20, 2) << endl;
  cout << slice.slice(0, 20, -2) << endl;
  cout << slice[{ 4, py::nullopt }] << endl;

  // string format
  py::string format = "{} is {} than {}";

  cout << format.format(3, "bigger", 1) << endl;

  cout << format.format(2, "smaller", 4) << endl;

  py::string format2 = "{0} is {1} as {0}";

  cout << format2.format(2, "same") << endl;

  // string replace

  py::string replace = "1+2-3";

  cout << replace.pyreplace("-", "=");
  // 1+2=3

  // string split
  py::string split = "12,3,4-2,2,3";
  std::deque<py::string> slist; // std::vector is also acceptable

  split.split(slist, ",");

  for (auto &&s : slist) {
    cout << s << endl;
  }
  // Check ASCII character string
  py::string ascii = "Hello World!";
  cout << std::boolalpha << ascii.isascii() << endl;

  py::string not_ascii = "ハローワールド！";
  cout << std::boolalpha << not_ascii.isascii() << endl;

  // translate
  py::string tstr = "text abc so cool.";
  auto table = py::string::maketrans("abcd", "ABCD", ".");
  std::unordered_map<char, py::string> _t;
  _t['.'] = "!!";
  _t['s'] = "";
  _t['o'] = "O";

  auto table2 = py::string::maketrans(_t);

  cout << tstr.translate(table) << endl;

  cout << tstr.translate(table2) << endl;

  return 0;
}