io_exception.h

/*
 * Software License Agreement (BSD License)
 *
 *  Copyright (c) 2011 Willow Garage, Inc.
 *
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 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
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 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#pragma once
 
#include <pcl/pcl_config.h>
 
#include <cstdarg>
#include <cstdio>
#include <exception>
#include <string>
 
 
//from <pcl/pcl_macros.h>
#if defined _WIN32 && defined _MSC_VER && !defined __PRETTY_FUNCTION__
  #define __PRETTY_FUNCTION__ __FUNCTION__
#endif
 
 
#define THROW_IO_EXCEPTION(format,...) throwIOException( __PRETTY_FUNCTION__, __FILE__, __LINE__, format , ##__VA_ARGS__ )
 
 
namespace pcl
{
  namespace io
  {
    /**
    * @brief General IO exception class
    */
    class IOException : public std::exception
    {
      public:
        IOException (const std::string& function_name,
          const std::string& file_name,
          unsigned line_number,
          const std::string& message);
 
        ~IOException () noexcept override;
 
        IOException&
        operator= (const IOException& exception);
 
        const char*
        what () const noexcept override;
 
        const std::string&
        getFunctionName () const;
 
        const std::string&
        getFileName () const;
 
        unsigned
        getLineNumber () const;
 
      protected:
        std::string function_name_;
        std::string file_name_;
        unsigned line_number_;
        std::string message_;
        std::string message_long_;
    };
 
    inline void
    throwIOException (const char* function, const char* file, unsigned line, const char* format, ...)
    {
      static char msg[1024];
      va_list args;
      va_start (args, format);
      vsnprintf (msg, 1024, format, args);
      va_end (args);
      throw IOException (function, file, line, msg);
    }
  } // namespace
}