FileData.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 <map>
#include <memory>
#include <ostream>
#include <sstream>
#include <vector>
 
namespace keypop {
namespace calypso {
namespace card {
namespace card {
 
class FileData {
public:
    virtual std::vector<std::uint8_t> getContent() const = 0;
 
    virtual std::vector<std::uint8_t> getContent(std::uint8_t numRecord) const
        = 0;
 
    virtual std::vector<std::uint8_t> getContent(
        std::uint8_t numRecord,
        std::uint8_t dataOffset,
        std::uint8_t dataLength) const
        = 0;
 
    virtual const std::map<const std::uint8_t, std::vector<std::uint8_t>>&
    getAllRecordsContent() const
        = 0;
 
    virtual std::shared_ptr<int> getContentAsCounterValue(int numCounter) const
        = 0;
 
    virtual std::map<const int, const int> getAllCountersValue() const = 0;
 
    friend std::ostream&
    operator<<(std::ostream& os, const FileData& fd) {
        /* Formatted apart so the caller's stream keeps its own flags. */
        std::ostringstream ss;
        ss << std::uppercase << std::hex << std::setfill('0');
 
        ss << "FILE_DATA: {RECORDS: {";
        bool isFirst = true;
        for (const auto& record : fd.getAllRecordsContent()) {
            if (!isFirst) {
                ss << ", ";
            }
            isFirst = false;
            ss << std::setw(2) << static_cast<int>(record.first) << ": ";
            for (const auto byte : record.second) {
                ss << std::setw(2) << static_cast<int>(byte);
            }
        }
        ss << "}}";
 
        os << ss.str();
 
        return os;
    }
 
    friend std::ostream&
    operator<<(std::ostream& os, const std::shared_ptr<FileData>& fd) {
        if (fd == nullptr) {
            os << "FILE_DATA: null";
        } else {
            os << *fd;
        }
 
        return os;
    }
};
 
} /* namespace card */
} /* namespace card */
} /* namespace calypso */
} /* namespace keypop */