oid_map.h

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/*
* (C) 2023 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
 
#ifndef BOTAN_OID_MAP_H_
#define BOTAN_OID_MAP_H_
 
#include <botan/asn1_obj.h>
#include <botan/mutex.h>
#include <optional>
#include <string>
#include <string_view>
#include <unordered_map>
 
namespace Botan {
 
class OID_Map final {
   public:
      void add_oid(const OID& oid, std::string_view str);
 
      // TODO(Botan4) remove this function when oids.h is removed
      void add_str2oid(const OID& oid, std::string_view str);
 
      // TODO(Botan4) remove this function when oids.h is removed
      void add_oid2str(const OID& oid, std::string_view str);
 
      std::string oid2str(const OID& oid);
 
      OID str2oid(std::string_view str);
 
      static OID_Map& global_registry();
 
   private:
      static std::optional<std::string_view> lookup_static_oid(const OID& oid);
      static std::optional<OID> lookup_static_oid_name(std::string_view name);
 
      static std::unordered_map<OID, std::string> load_oid2str_map();
      static std::unordered_map<std::string, OID> load_str2oid_map();
 
      OID_Map();
 
      mutex_type m_mutex;
      std::unordered_map<std::string, OID> m_str2oid;
      std::unordered_map<OID, std::string> m_oid2str;
};
 
}  // namespace Botan
 
#endif