Some old refactoring + some new refactoring

1 files changed, 49 insertions, 0 deletions

@@ -0,0 +1,49 @@
+#ifndef DESIGNER_H_06F8DE64
+#define DESIGNER_H_06F8DE64
+
+#include <cstddef>
+#include <list>
+#include <memory>
+#include <random>
+#include <string>
+#include <vector>
+
+#include "cardset.h"
+#include "prefix_search.h"
+
+struct usage {
+  size_t cardId;
+  size_t strIndex;
+  size_t strLen;
+
+  usage(size_t ci, size_t si, size_t sl)
+      : cardId(ci), strIndex(si), strLen(sl) {}
+};
+
+struct solution {
+  const ps_type& prefix;
+  std::vector<size_t> lengths;
+  size_t score;
+};
+
+class designer {
+ public:
+  designer(std::string text, const ps_type& titles)
+      : text_(std::move(text)),
+        titles_(titles),
+        solutions_(text_.length() + 1) {}
+
+  std::list<usage> generate(std::mt19937& rng) const;
+
+ private:
+  const solution& get(size_t i) const;
+
+  solution calculate(size_t i) const;
+
+  const std::string text_;
+  const ps_type& titles_;
+
+  mutable std::vector<std::unique_ptr<solution>> solutions_;
+};
+
+#endif /* end of include guard: DESIGNER_H_06F8DE64 */