DigitalPinSet.cpp

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/*
 * This file is part of the DUDS project. It is subject to the BSD-style
 * license terms in the LICENSE file found in the top-level directory of this
 * distribution and at https://github.com/jjackowski/duds/blob/master/LICENSE.
 * No part of DUDS, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 *
 * Copyright (C) 2017  Jeff Jackowski
 */
#include <duds/hardware/interface/DigitalPinSet.hpp>

namespace duds { namespace hardware { namespace interface {

DigitalPinSet::DigitalPinSet(
    const std::shared_ptr<DigitalPort> &port,
    const std::vector<unsigned int> &pvec
) : DigitalPinBase(port), pinvec(pvec) {
    // no port?
    if (!port) {
        DUDS_THROW_EXCEPTION(DigitalPortDoesNotExistError());
    }
    // check for pin non-existence
    std::vector<unsigned int>::const_iterator iter = pinvec.cbegin();
    for (; iter != pinvec.cend(); ++iter) {
        if ((*iter != -1) && !port->exists(*iter)) {
            // bad pin
            DUDS_THROW_EXCEPTION(PinDoesNotExist() <<
                PinErrorId(*iter) << DigitalPortAffected(port.get())
            );
        }
    }
}

DigitalPinSet::DigitalPinSet(
    const std::shared_ptr<DigitalPort> &port,
    std::vector<unsigned int> &&pvec
) : DigitalPinBase(port), pinvec(std::move(pvec)) {
    try {
        // no port?
        if (!port) {
            DUDS_THROW_EXCEPTION(DigitalPortDoesNotExistError());
        }
        // check for pin non-existence
        std::vector<unsigned int>::const_iterator iter = pinvec.cbegin();
        for (; iter != pinvec.cend(); ++iter) {
            if ((*iter != -1) && !port->exists(*iter)) {
                // bad pin
                DUDS_THROW_EXCEPTION(PinDoesNotExist() <<
                    PinErrorId(*iter) << DigitalPortAffected(port.get())
                );
            }
        }
    } catch (...) {
        // restore the provided vector
        pvec = std::move(pinvec);
        throw;
    }
}

} } } // namespaces