BLI_generic_key_string.hh

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/* SPDX-FileCopyrightText: 2025 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_generic_key.hh"
#include "BLI_string_ref.hh"
#include "BLI_struct_equality_utils.hh"
#include "BLI_utility_mixins.hh"
 
namespace blender {

class GenericStringKey : public GenericKey, NonMovable {
 private:
  std::string value_;
  StringRef value_ref_;
 
 public:
  GenericStringKey(StringRef value) : value_ref_(value) {}
 
  uint64_t hash() const override
  {
    return get_default_hash(value_ref_);
  }
 
  BLI_STRUCT_EQUALITY_OPERATORS_1(GenericStringKey, value_ref_)
 
  bool equal_to(const GenericKey &other) const override
  {
    if (const auto *other_typed = dynamic_cast<const GenericStringKey *>(&other)) {
      return value_ref_ == other_typed->value_ref_;
    }
    return false;
  }
 
  std::unique_ptr<GenericKey> to_storable() const override
  {
    auto storable_key = std::make_unique<GenericStringKey>("");
    storable_key->value_ = value_ref_;
    storable_key->value_ref_ = storable_key->value_;
    return storable_key;
  }
};
 
}  // namespace blender