Program Listing for File IfcException.h

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/********************************************************************************
 *                                                                              *
 * 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 IFCEXCEPTION_H
#define IFCEXCEPTION_H

#include "ifc_parse_api.h"

#include <boost/lexical_cast.hpp>

#include <exception>
#include <string>

#ifdef _MSC_VER
// "C4275 can be ignored in Visual C++ if you are deriving from a type in the Standard C++ Library",
// https://msdn.microsoft.com/en-us/library/3tdb471s.aspx
#pragma warning(push)
#pragma warning(disable : 4275)
#endif

namespace IfcParse {
    class IFC_PARSE_API IfcException : public std::exception {
    private:
        std::string message;
    public:
        IfcException(const std::string& m)
             : message(m) {}
        virtual ~IfcException () throw () {}
        virtual const char* what() const throw() {
            return message.c_str();
        }
    };

    class IFC_PARSE_API IfcAttributeOutOfRangeException : public IfcException {
    public:
        IfcAttributeOutOfRangeException(const std::string& e)
            : IfcException(e) {}
        ~IfcAttributeOutOfRangeException () throw () {}
    };

    class IFC_PARSE_API IfcInvalidTokenException : public IfcException {
    public:
        IfcInvalidTokenException(
            int token_start,
            const std::string& token_string,
            const std::string& expected_type
        )
            : IfcException(
                std::string("Token ") + token_string + " at " +
                boost::lexical_cast<std::string>(token_start) +
                " invalid " + expected_type
            )
        {}
        IfcInvalidTokenException(
            int token_start,
            char c
        )
            : IfcException(
                std::string("Unexpected '") + std::string(1, c) + "' at " +
                boost::lexical_cast<std::string>(token_start)
            )
        {}
        ~IfcInvalidTokenException() throw () {}
    };

}

#ifdef _MSC_VER
#pragma warning(pop)
#endif

#endif