esp-nimble-cpp/src/NimBLEUUID.h

/*
 * Copyright 2020-2025 Ryan Powell <ryan@nable-embedded.io> and
 * esp-nimble-cpp, NimBLE-Arduino contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef NIMBLE_CPP_UUID_H_
#define NIMBLE_CPP_UUID_H_

#include "nimconfig.h"
#if CONFIG_BT_ENABLED

# if defined(CONFIG_NIMBLE_CPP_IDF)
#  include "host/ble_uuid.h"
# else
#  include "nimble/nimble/host/include/host/ble_uuid.h"
# endif

/****  FIX COMPILATION ****/
# undef min
# undef max
/**************************/

# include <string>
# include <cstring>

/**
 * @brief A model of a %BLE UUID.
 */
class NimBLEUUID {
  public:
    /**
     * @brief Created a blank UUID.
     */
    NimBLEUUID() = default;
    NimBLEUUID(const ble_uuid_any_t& uuid);
    NimBLEUUID(const std::string& uuid);
    NimBLEUUID(uint16_t uuid);
    NimBLEUUID(uint32_t uuid);
    NimBLEUUID(const ble_uuid128_t* uuid);
    NimBLEUUID(const uint8_t* pData, size_t size);
    NimBLEUUID(uint32_t first, uint16_t second, uint16_t third, uint64_t fourth);

    uint8_t           bitSize() const;
    const uint8_t*    getValue() const;
    const ble_uuid_t* getBase() const;
    bool              equals(const NimBLEUUID& uuid) const;
    std::string       toString() const;
    static NimBLEUUID fromString(const std::string& uuid);
    const NimBLEUUID& to128();
    const NimBLEUUID& to16();
    const NimBLEUUID& reverseByteOrder();

    bool operator==(const NimBLEUUID& rhs) const;
    bool operator!=(const NimBLEUUID& rhs) const;
    operator std::string() const;

  private:
    ble_uuid_any_t m_uuid{};
}; // NimBLEUUID

#endif // CONFIG_BT_ENABLED
#endif // NIMBLE_CPP_UUID_H_