Worked on c++

shenzhen_solitaire/c++/lib/card.cpp

@@ -0,0 +1,15 @@
+#include "card.hpp"
+namespace solitaire {
+auto
+isNormalCardType(CardType type) -> bool {
+  switch (type) {
+  case CardType::Red:
+  case CardType::Green:
+  case CardType::Black:
+    return true;
+    break;
+  default:
+    return false;
+  }
+}
+} // namespace solitaire

shenzhen_solitaire/c++/lib/goal.cpp

@@ -0,0 +1,66 @@
+
+#include "goal.hpp"
+
+namespace solitaire {
+auto
+Goal::getEmptyId() -> std::optional<int> {
+  int counter = 0;
+  for (const auto& slot : goal) {
+    if (!slot) {
+      return counter;
+    }
+    ++counter;
+  }
+  return std::nullopt;
+}
+
+[[nodiscard]] auto
+Goal::getId(CardType suit) const noexcept -> std::optional<int> {
+  int counter = 0;
+  for (const auto& slot : goal) {
+    if (slot && slot->type == suit) {
+      return counter;
+    }
+    ++counter;
+  }
+  return std::nullopt;
+}
+
+[[nodiscard]] auto
+Goal::get(CardType suit) const noexcept -> std::optional<int> {
+  if (auto index = getId(suit); index) {
+    return goal[*index]->value;
+  }
+  return std::nullopt;
+}
+
+void
+Goal::set(CardType suit, int value) noexcept {
+  assert(value >= 0);
+  assert(value <= 9);
+
+  const auto card = [&]() -> std::optional<Card> {
+    if (value == 0) {
+      return std::nullopt;
+    }
+    return Card{suit, value};
+  }();
+
+  const int goal_index = [&]() -> int {
+    if (auto index = getId(suit); index) {
+      return *index;
+    }
+    return *getEmptyId();
+  }();
+
+  goal[goal_index] = card;
+}
+
+void
+Goal::inc(CardType suit) noexcept {
+  auto get_value = get(suit);
+  int new_value = get_value ? (*get_value) + 1 : 1;
+  set(suit, new_value);
+}
+
+} // namespace solitaire