GPIOSerializer.cpp

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/*
    Copyright (C) 2014-2017 Leosac
 
    This file is part of Leosac.
 
    Leosac is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Leosac is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Affero General Public License for more details.
 
    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
 
 
#include "hardware/serializers/GPIOSerializer.hpp"
#include "hardware/serializers/DeviceSerializer.hpp"
#include "tools/JSONUtils.hpp"
#include "tools/log.hpp"
 
namespace Leosac
{
namespace Hardware
{
json GPIOSerializer::serialize(const Hardware::GPIO &in, const SecurityContext &sc)
{
    json serialized = DeviceSerializer::serialize(in, sc);
    ASSERT_LOG(serialized.at("type").is_string(),
               "Base device serialization did something unexpected.");
 
    // Override object type
    serialized["type"] = "gpio";
 
    // Add GPIO specific attributes
    serialized["attributes"]["number"]        = in.number();
    serialized["attributes"]["direction"]     = in.direction();
    serialized["attributes"]["default-value"] = in.default_value();
 
    return serialized;
}
 
void GPIOSerializer::unserialize(Hardware::GPIO &out, const json &in,
                                 const SecurityContext &sc)
{
    using namespace JSONUtil;
    DeviceSerializer::unserialize(out, in, sc);
 
    out.number(extract_with_default(in, "number", out.number()));
    out.direction(extract_with_default(in, "direction", out.direction()));
    out.default_value(
        extract_with_default(in, "default-value", out.default_value()));
}
}
}