factory.hpp

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#pragma once
 
/**
 * create_binary_record_format — factory for binary record I/O formats.
 *
 * Supported: "qe" (Fortran unformatted), "q3" (raw sequential).
 */
 
#include <memory>
#include <stdexcept>
#include <string>
 
#include "io/checkpoint/init.hpp"
#include "io/checkpoint/q3.hpp"
#include "io/checkpoint/qe.hpp"
 
namespace q3 {
 
/// Create a binary record format by name.
inline std::unique_ptr<BinaryRecordFormat>
create_binary_record_format(const std::string& format_name = "qe") {
    if (format_name == "qe") {
        return std::make_unique<QEBinaryRecordFormat>();
    }
    if (format_name == "q3") {
        return std::make_unique<Q3BinaryRecordFormat>();
    }
    throw std::runtime_error("Unknown binary record format: " + format_name);
}
 
} // namespace q3