implement reading from file. cleanup

download.h

@@ -5,6 +5,8 @@
 #include <boost/json/src.hpp>
 #include <cpr/cpr.h>
 #include <iostream>
+#include <fstream>
+#include <variant>
 
 #include "game_state.h"
 
@@ -58,15 +60,27 @@ boost::json::object download_game_json(int game_id) {
   return boost::json::parse(r.text).as_object();
 }
 
-void download_game(int game_id) {
+boost::json::object open_game_json(const char* filename) {
-  boost::json::object game = download_game_json(game_id);
+  std::ifstream file(filename);
-  std::cout << game << std::endl;
+  if (!file.is_open()) {
-  const auto deck = parse_deck(game.at("deck"));
+    std::cout << "Failed to open " << filename << "." << std::endl;
-  const unsigned num_players = game.at("players").as_array().size();
+    return {};
-
-  for(const auto& card : deck) {
-    std::cout << card << std::endl;
   }
+  std::string game_json ((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
+  return boost::json::parse(game_json).as_object();
+}
+
+void get_game(std::variant<int, const char*> game_spec) {
+  const boost::json::object game = [&game_spec](){
+    if (game_spec.index() == 0) {
+      return download_game_json(std::get<int>(game_spec));
+    } else {
+      return open_game_json(std::get<const char*>(game_spec));
+    }
+  }();
+  const std::vector<Hanabi::Card> deck = parse_deck(game.at("deck"));
+  const unsigned num_players = game.at("players").as_array().size();
+  std::cout << deck.size() << std::endl;
   std::cout << num_players;
 }
 

game_state.h

@@ -1,7 +1,3 @@
-//
-// Created by maximilian on 7/13/23.
-//
-
 #ifndef DYNAMIC_PROGRAM_GAME_STATE_H
 #define DYNAMIC_PROGRAM_GAME_STATE_H
 
@@ -41,7 +37,7 @@ constexpr player_t draw_pile = -1;
 constexpr player_t trash_or_play_stack = -2;
 constexpr clue_t max_num_clues = 8;
 
-constexpr std::array<std::string, 5> suit_initials{"r", "y", "g", "b", "p"};
+constexpr std::array<std::string, 6> suit_initials{"r", "y", "g", "b", "p", "t"};
 
 struct Card {
   suit_t suit;
@@ -157,10 +153,11 @@ operator<<(std::ostream &os,
            HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>
                hanabi_state);
 
-#include "game_state.hpp"
 
 template class HanabiState<5, 3, 4, 20>;
 
 }
 
+#include "game_state.hpp"
+
 #endif // DYNAMIC_PROGRAM_GAME_STATE_H

game_state.hpp

@@ -2,15 +2,14 @@
 #include <algorithm>
 #include <iterator>
 
+namespace Hanabi {
 
     Card &Card::operator++() {
         rank++;
         return *this;
     }
 
-Card Card::successor() const {
+    Card Card::successor() const { return {suit, static_cast<rank_t>(rank + 1)}; }
-  return {suit, static_cast<rank_t>(rank + 1)};
-}
 
     const Card Card::operator++(int) {
         Card ret = *this;
@@ -48,17 +47,20 @@ Action HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::clue(
     }
 
     template<size_t num_suits, size_t num_players, size_t hand_size, uint8_t max_draw_pile_size>
-void HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::incr_turn() {
+    void HanabiState<num_suits, num_players, hand_size,
+            max_draw_pile_size>::incr_turn() {
         _turn = (_turn + 1) % num_players;
     }
 
     template<size_t num_suits, size_t num_players, size_t hand_size, uint8_t max_draw_pile_size>
-void HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::decr_turn() {
+    void HanabiState<num_suits, num_players, hand_size,
+            max_draw_pile_size>::decr_turn() {
         _turn = (_turn + num_players - 1) % num_players;
     }
 
     template<std::size_t num_suits, std::size_t num_players, std::size_t hand_size, uint8_t max_draw_pile_size>
-Action HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::play(std::uint8_t index) {
+    Action HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::play(
+            std::uint8_t index) {
         assert(index < _hands[_turn].size());
         const Card card = _hands[_turn][index];
         assert(card.rank == _stacks[card.suit] - 1);
@@ -79,7 +81,8 @@ Action HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::play(
     }
 
     template<std::size_t num_suits, std::size_t num_players, std::size_t hand_size, uint8_t max_draw_pile_size>
-Action HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::discard(std::uint8_t index) {
+    Action HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::discard(
+            std::uint8_t index) {
         assert(index < _hands[_turn].size());
         assert(_num_clues != max_num_clues);
 
@@ -93,7 +96,6 @@ Action HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::disca
         return ret;
     }
 
-
     template<std::size_t num_suits, std::size_t num_players, std::size_t hand_size, uint8_t max_draw_pile_size>
     std::ostream &operator<<(std::ostream &os, const HanabiState<num_suits, num_players, hand_size, max_draw_pile_size> hanabi_state) {
         os << "Stacks: " << hanabi_state._stacks << std::endl;
@@ -155,7 +157,8 @@ void HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::revert_
     }
 
     template<std::size_t num_suits, std::size_t num_players, std::size_t hand_size, uint8_t max_draw_pile_size>
-void HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::revert(const Action &action) {
+    void HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::revert(
+            const Action &action) {
         decr_turn();
         switch (action.type) {
             case ActionType::clue:
@@ -175,3 +178,5 @@ void HanabiState<num_suits, num_players, hand_size, max_draw_pile_size>::revert(
                 _stacks[action.discarded.suit]++;
         }
     }
+
+} // namespace Hanabi

main.cpp

@@ -38,7 +38,7 @@ void test_game() {
   assert(state == state2);
 }
 
-void download() { download_game(1000000); }
+void download() { get_game("314159.json"); }
 
 void print_sizes() {
   std::cout << "size of card -> hand map: " << sizeof(HanabiState<5, 3, 4, 5>)