/********************************************************************************
 *                                                                              *
 * This file is part of IfcOpenShell.                                           *
 *                                                                              *
 * IfcOpenShell is free software: you can redistribute it and/or modify         *
 * it under the terms of the Lesser GNU General Public License as published by  *
 * the Free Software Foundation, either version 3.0 of the License, or          *
 * (at your option) any later version.                                          *
 *                                                                              *
 * IfcOpenShell 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                 *
 * Lesser GNU General Public License for more details.                          *
 *                                                                              *
 * You should have received a copy of the Lesser GNU General Public License     *
 * along with this program. If not, see <http://www.gnu.org/licenses/>.         *
 *                                                                              *
 ********************************************************************************/

#ifndef ARGUMENT_H
#define ARGUMENT_H

#include "ArgumentType.h"
#include "ifc_parse_api.h"

#include <boost/dynamic_bitset.hpp>
#include <boost/logic/tribool.hpp>
#include <boost/shared_ptr.hpp>
#include <string>
#include <vector>

class aggregate_of_instance;
class aggregate_of_aggregate_of_instance;

namespace IfcUtil {
class IfcBaseClass;

IFC_PARSE_API const char* ArgumentTypeToString(ArgumentType argument_type);

/// Returns false when the string `s` contains character outside of {'0', '1'}
IFC_PARSE_API bool valid_binary_string(const std::string& string);
} // namespace IfcUtil

class IFC_PARSE_API Argument {
  public:
    virtual operator int() const;
    virtual operator bool() const;
    virtual operator boost::logic::tribool() const;
    virtual operator double() const;
    virtual operator std::string() const;
    virtual operator boost::dynamic_bitset<>() const;
    virtual operator IfcUtil::IfcBaseClass*() const;

    virtual operator std::vector<int>() const;
    virtual operator std::vector<double>() const;
    virtual operator std::vector<std::string>() const;
    virtual operator std::vector<boost::dynamic_bitset<>>() const;
    virtual operator boost::shared_ptr<aggregate_of_instance>() const;

    virtual operator std::vector<std::vector<int>>() const;
    virtual operator std::vector<std::vector<double>>() const;
    virtual operator boost::shared_ptr<aggregate_of_aggregate_of_instance>() const;

    virtual bool isNull() const = 0;
    virtual unsigned int size() const = 0;

    virtual IfcUtil::ArgumentType type() const = 0;
    virtual Argument* operator[](unsigned int index) const = 0;
    virtual std::string toString(bool upper = false) const = 0;

    virtual ~Argument(){};
};

#endif