ByteArrayUtil.h

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/**************************************************************************************************
 * Copyright (c) 2021 Calypso Networks Association https://calypsonet.org/                        *
 *                                                                                                *
 * See the NOTICE file(s) distributed with this work for additional information regarding         *
 * copyright ownership.                                                                           *
 *                                                                                                *
 * This program and the accompanying materials are made available under the terms of the Eclipse  *
 * Public License 2.0 which is available at http://www.eclipse.org/legal/epl-2.0                  *
 *                                                                                                *
 * SPDX-License-Identifier: EPL-2.0                                                               *
 **************************************************************************************************/
 
#pragma once
 
#include <cstdint>
#include <memory>
#include <stdexcept>
#include <string>
#include <vector>
 
/* Util */
#include "Pattern.h"
 
/* Core */
#include "KeypleUtilExport.h"
 
namespace keyple {
namespace core {
namespace util {
 
class KEYPLEUTIL_API ByteArrayUtil {
public:
    static const std::vector<uint8_t> extractBytes(const std::vector<uint8_t>& src,
                                                   const int bitOffset,
                                                   const int nbBytes);
 
    static const std::vector<uint8_t> extractBytes(const uint64_t src, const int nbBytes);
 
    static uint16_t extractShort(const std::vector<uint8_t>& src, const int offset);
 
    static uint32_t extractInt(const std::vector<uint8_t>& src,
                               const int offset,
                               const int nbBytes,
                               const bool isSigned);
 
    static uint64_t extractLong(const std::vector<uint8_t>& src,
                                const int offset,
                                const int nbBytes,
                                const bool isSigned);
 
    static void copyBytes(const uint64_t src,
                          std::vector<uint8_t>& dest,
                          const int offset,
                          const int nbBytes);
 
    static bool isValidHexString(const std::string& hex);
 
    static const std::string normalizeHexString(const std::string& hex);
 
    static std::vector<uint8_t> fromHex(const std::string& hex);
 
    static const std::string toHex(const std::vector<uint8_t>& src);
 
    static int twoBytesToInt(const std::vector<uint8_t>& bytes, const int offset);
 
    static int twoBytesSignedToInt(const std::vector<uint8_t>& bytes, const int offset);
 
    static int threeBytesToInt(const std::vector<uint8_t>& bytes, const int offset);
 
    static int threeBytesSignedToInt(const std::vector<uint8_t>& bytes, const int offset);
 
    static int fourBytesToInt(const std::vector<uint8_t>& bytes, const int offset);
};
 
}
}
}