CRNProp3.cpp

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/* Copyright 2006-2016 Yann LEYDIER, CoReNum, INSA-Lyon, ENS-Lyon
 * 
 * This file is part of libcrn.
 * 
 * libcrn is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * libcrn 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with libcrn.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * file: CRNProp3.cpp
 * \author Yann LEYDIER
 */

#include <CRNMath/CRNProp3.h>
#include <CRNException.h>
#include <CRNData/CRNDataFactory.h>
#include <CRNi18n.h>

#ifndef TRUE
#   define TRUE ~0
#endif

using namespace crn;

Prop3::Prop3(int val) noexcept
{
    if ((val == TRUEval) || (val == FALSEval))
        value = val;
    else if (val == int(TRUE))
        value = TRUEval;
    else
        value = UNKNOWNval;
}

/*****************************************************************************/
String Prop3::ToString() const
{
    switch (value)
    {
        case TRUEval:
            return String(_("true"));
        case FALSEval:
            return String(_("false"));
        case UNKNOWNval:
        default:
            return String(_("unknown"));
    }   
}

Prop3 Prop3::operator|(const Prop3 &prop) const noexcept
{
    if ((prop.value == TRUEval) || (value == TRUEval))
        return Prop3(TRUEval);
    if ((prop.value == FALSEval) && (value == FALSEval))
        return Prop3(FALSEval);
    return Prop3(UNKNOWNval);
}

Prop3 Prop3::operator&(const Prop3 &prop) const noexcept
{
    if ((prop.value == FALSEval) || (value == FALSEval))
        return Prop3(FALSEval);
    if ((prop.value == TRUEval) && (value == TRUEval))
        return Prop3(TRUEval);
    return Prop3(UNKNOWNval);
}

bool Prop3::operator==(const Prop3 &prop) const noexcept
{
    return prop.value == value;
}

Prop3& Prop3::operator=(const int &prop) noexcept
{
    return (*this = Prop3(prop));
}

Prop3 Prop3::operator!() const noexcept
{
    if (value == TRUEval)
        return Prop3(FALSEval);
    if (value == FALSEval)
        return Prop3(TRUEval);
    return Prop3(UNKNOWNval);
}

Prop3& Prop3::operator|=(const Prop3 &prop) noexcept
{
    if ((prop.value == TRUEval) || (value == TRUEval))
        value = TRUEval;
    else if ((prop.value == FALSEval) && (value == FALSEval))
        value = FALSEval;
    else
        value = UNKNOWNval;
    return *this;
}

Prop3& Prop3::operator&=(const Prop3 &prop) noexcept
{
    if ((prop.value == FALSEval) || (value == FALSEval))
        value = FALSEval;
    else if ((prop.value == TRUEval) && (value == TRUEval))
        value = TRUEval;
    else
        value = UNKNOWNval;
    return *this;
}

bool Prop3::IsTrue() const noexcept { return value == TRUEval; }
bool Prop3::IsFalse() const noexcept { return value == FALSEval; }
bool Prop3::IsUnknown() const noexcept { return value == UNKNOWNval; }

void Prop3::Deserialize(xml::Element &el)
{
    if (el.GetName() != "Prop3")
    {
        throw ExceptionInvalidArgument(StringUTF8("bool Prop3::Deserialize(xml::Element &el): ") + 
                _("Wrong XML element."));
    }
    value = el.GetAttribute<int>("value", false); // may throw
}

xml::Element Prop3::Serialize(xml::Element &parent) const
{
    xml::Element el(parent.PushBackElement("Prop3"));
    el.SetAttribute("value", value);
    return el;
}

CRN_BEGIN_CLASS_CONSTRUCTOR(Prop3)
    CRN_DATA_FACTORY_REGISTER(U"Prop3", Prop3)
    Cloner::Register<Prop3>();
CRN_END_CLASS_CONSTRUCTOR(Prop3)