Exception.hh

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/*
 * Copyright 2012 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/

#ifndef _SDF_EXCEPTION_HH_
#define _SDF_EXCEPTION_HH_

#include <cstdint>
#include <iostream>
#include <memory>
#include <sstream>
#include <string>

#include "sdf/system_util.hh"

#ifdef _WIN32
// Disable warning C4251 which is triggered by
// std::unique_ptr
#pragma warning(push)
#pragma warning(disable: 4251)
#endif

namespace sdf
{

  #define sdfthrow(msg) {std::ostringstream throwStream;\
    throwStream << msg << std::endl << std::flush;\
    throw sdf::Exception(__FILE__, __LINE__, throwStream.str()); }

  class ExceptionPrivate;

  class SDFORMAT_VISIBLE Exception
  {
    public: Exception();

    public: Exception(const char *_file,
                      std::int64_t _line,
                      std::string _msg);

    public: Exception(const Exception &_e);

    public: virtual ~Exception();

    public: std::string GetErrorFile() const;

    public: std::string GetErrorStr() const;

    public: void Print() const;


    public: friend std::ostream &operator<<(std::ostream& _out,
                                            const sdf::Exception &_err)
    {
      return _out << _err.GetErrorStr();
    }

    private: std::unique_ptr<ExceptionPrivate> dataPtr;
  };

  class SDFORMAT_VISIBLE InternalError : public Exception
  {
    public: InternalError();

    public: InternalError(const char *_file, std::int64_t _line,
                          const std::string _msg);

    public: virtual ~InternalError();
  };

  class SDFORMAT_VISIBLE AssertionInternalError : public InternalError
  {
    public: AssertionInternalError(const char *_file,
                                   std::int64_t _line,
                                   const std::string _expr,
                                   const std::string _function,
                                   const std::string _msg = "");
    public: virtual ~AssertionInternalError();
  };
}

#ifdef _WIN32
#pragma warning(pop)
#endif

#endif