Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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base/uni_string_dfa.hpp

@@ -0,0 +1,42 @@
+#pragma once
+
+#include "base/string_utils.hpp"
+
+#include <string>
+
+namespace strings
+{
+class UniStringDFA
+{
+public:
+  class Iterator
+  {
+  public:
+    Iterator & Move(UniChar c);
+
+    bool Accepts() const { return !Rejects() && m_pos == m_s.size(); }
+    bool Rejects() const { return m_rejected; }
+    size_t ErrorsMade() const { return 0; }
+    size_t PrefixErrorsMade() const { return 0; }
+
+  private:
+    friend class UniStringDFA;
+
+    explicit Iterator(UniString const & s);
+
+    UniString const & m_s;
+    size_t m_pos;
+    bool m_rejected;
+  };
+
+  explicit UniStringDFA(UniString const & s) : m_s(s) {}
+  explicit UniStringDFA(std::string const & s);
+
+  Iterator Begin() const { return Iterator(m_s); }
+
+  friend std::string DebugPrint(UniStringDFA const & dfa);
+
+private:
+  UniString const m_s;
+};
+}  // namespace strings