cpp-dice-roller/src/terminal_helper.cxx

//
//  terminal_helper.cxx
//  simple_dice
//
//  Created by Sam Jaffe on 12/18/18.
//  Copyright © 2018 Sam Jaffe. All rights reserved.
//

#include "dice-roll/terminal_helper.h"

#include <iostream>

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

namespace terminal { namespace {
  void print(dice::dice_roll const & r) {
    std::cout << int(r) << " (" << r << ")\n";
  }
  
  void print(std::vector<dice::dice_roll> const & rs) {
    if (rs.size() != 1) {
      std::cout << '\n';
      for (int i = 0; i < rs.size(); ++i) {
        std::cout << "  Result/" << i << ": ";
        print(rs[i]);
      }
    } else {
      print(rs[0]);
    }
  }
}}

namespace terminal {
  void process_dice_string(std::string const & str) {
    auto d = dice::from_string(str);
    auto rs = dice::roller()(d);
    std::cout << "Result of '" << d << "': ";
    print(rs);
  }
  
  void print_error_message(std::string const & str,
                           dice::unexpected_token const & ut) {
    std::cerr << "Error in roll: '" << str << "': " << ut.what() << "\n";
    std::cerr << "                " << ut.pointer(str.size() + 1) << std::endl;
  }
}