ApduResponseApi.hpp

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/******************************************************************************
 * Copyright (c) 2025 Calypso Networks Association https://calypsonet.org/    *
 *                                                                            *
 * This program and the accompanying materials are made available under the   *
 * terms of the MIT License which is available at                             *
 * https://opensource.org/licenses/MIT.                                       *
 *                                                                            *
 * SPDX-License-Identifier: MIT                                               *
 ******************************************************************************/
 
#pragma once
 
#include <cstdint>
#include <iomanip>
#include <memory>
#include <ostream>
#include <sstream>
#include <string>
#include <vector>
 
namespace keypop {
namespace card {
 
class ApduResponseApi {
public:
    virtual const std::vector<uint8_t>& getApdu() const = 0;
 
    virtual const std::vector<uint8_t> getDataOut() const = 0;
 
    virtual int getStatusWord() const = 0;
 
    friend std::ostream&
    operator<<(std::ostream& os, const ApduResponseApi& ara) {
        const std::vector<uint8_t> apdu = ara.getApdu();
        const std::vector<uint8_t> dataOut = ara.getDataOut();
 
        std::stringstream ssApdu;
        for (const auto val : apdu) {
            ssApdu << std::uppercase << std::hex << std::setfill('0')
                   << std::setw(2) << static_cast<int>(val);
        }
 
        std::stringstream ssDataOut;
        for (const auto val : dataOut) {
            ssDataOut << std::uppercase << std::hex << std::setfill('0')
                      << std::setw(2) << static_cast<int>(val);
        }
 
        os << "APDU_RESPONSE_API: {"
           << "APDU: " << ssApdu.str() << ", "
           << "DATA_OUT: " << ssDataOut.str() << ", "
           << "STATUS_WORD: " << ara.getStatusWord() << "}";
 
        return os;
    }
 
    friend std::ostream&
    operator<<(std::ostream& os, const std::shared_ptr<ApduResponseApi> ara) {
        os << *ara.get();
 
        return os;
    }
 
    friend std::ostream&
    operator<<(
        std::ostream& os,
        const std::vector<std::shared_ptr<ApduResponseApi>>& aras) {
        os << "APDU_RESPONSE_APIS: {";
 
        for (auto it = std::begin(aras); it != std::end(aras); ++it) {
            os << *it;
            if (it != aras.end() - 1) {
                os << ", ";
            }
        }
 
        os << "}";
 
        return os;
    }
};
 
} /* namespace card */
} /* namespace keypop */