Program Listing for File exception.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 ifcopenshell {
class IFC_PARSE_API exception : public std::exception {
  private:
    std::string message_;

  public:
    exception(const std::string& message)
        : message_(message) {}
    ~exception() override;
    const char* what() const noexcept override {
        return message_.c_str();
    }
};

class IFC_PARSE_API attribute_out_of_range_exception : public exception {
  public:
    attribute_out_of_range_exception(const std::string& message)
        : exception(message) {}
    ~attribute_out_of_range_exception() override;
};

class IFC_PARSE_API invalid_token_exception : public exception {
  public:
    invalid_token_exception(
        size_t token_start,
        const std::string& token_string,
        const std::string& expected_type)
        : exception(
              std::string("token ") + token_string + " at offset " +
              boost::lexical_cast<std::string>(token_start) +
              " invalid " + expected_type) {}
    invalid_token_exception(
        size_t token_start,
        char character)
        : exception(
              std::string("Unexpected '") + std::string(1, character) + "' at offset " +
              boost::lexical_cast<std::string>(token_start)) {}
    ~invalid_token_exception() override;
};

} // namespace ifcopenshell

#ifdef _MSC_VER
#pragma warning(pop)
#endif

#endif