cpp-dice-roller/curses_dice/main.cxx

//
//  main.cxx
//  curses_dice
//
//  Created by Sam Jaffe on 7/23/24.
//  Copyright © 2024 Sam Jaffe. All rights reserved.
//

#include <sstream>

#include <ncurses-wrapper/cli.h>
#include <ncurses-wrapper/color.h>
#include <ncurses-wrapper/window.h>

#include "dice-roll/die.h"
#include "dice-roll/exception.h"
#include "dice-roll/io.h"
#include "dice-roll/roll.h"

using namespace curses;

ColorPair color(bool good, bool bad) {
  if (good) {
    return ColorPair{Color::GREEN, Color::DEFAULT};
  } else if (bad) {
    return ColorPair{Color::RED, Color::DEFAULT};
  } else {
    return ColorPair{Color::DEFAULT, Color::DEFAULT};
  }
}

ColorPair color(bool good) { return color(good, !good); }

void print(curses::Window & window, int roll, int sides) {
  if (auto scope = window.with(color(roll == sides, roll == 1))) {
    window.printf("%d", roll);
  }
}
namespace dice {
curses::Window & operator<<(curses::Window & window, outcome o) {
  if (auto scope = window.with(color(o == outcome::PASS))) {
    window.printf("%s", o == outcome::PASS ? "PASS" : "FAIL");
  }
  return window;
}

curses::Window & operator<<(curses::Window & window, die_outcome const & r) {
  if (auto scope = window.with(color(r.roll == r.sides, r.roll == 1))) {
    auto roll = std::to_string(r.roll);
    std::string strikethrough = "\u0336";
    for (size_t i = 1; i <= roll.size() && r.dropped;
         i += 1 + strikethrough.length()) {
      roll.insert(i, strikethrough);
    }
    window.printf("%s", roll.c_str());
  }
  return window;
}

}

void eval(curses::Window & window, std::string line) try {
  using ::dice::operator<<;
  dice::dice const d = dice::from_string(line);
  std::vector<dice::dice_roll> const rs = dice::roller()(d);
  window << std::make_pair(d, rs) << '\n';
} catch (dice::unexpected_token const & ut) {
  window.printf("Error in roll: '%s': %s\n                %s\n", line.c_str(),
                ut.what(), ut.pointer(line.size() + 1).c_str());
}

int main(int, const char **) {
  Cli("> ", WithColor).loop(&eval);
  return 0;
}