poisson_exceptions.h

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#pragma once 
 
#include <stdexcept>
#include <sstream>
#include <boost/current_function.hpp>
 
/** POISSON_THROW_EXCEPTION is a helper macro to be used for throwing exceptions. e.g.
  * POISSON_THROW_EXCEPTION (PoissonBadArgumentException, "[ERROR] B-spline up-sampling not supported for degree " << Degree);
  * 
  * \note 
  * Adapted from PCL_THROW_EXCEPTION. We intentionally do not reuse PCL_THROW_EXCEPTION here
  * to avoid introducing any dependencies on PCL in this 3rd party module.       
  */
#define POISSON_THROW_EXCEPTION(ExceptionName, message)                     \
{                                                                           \
  std::ostringstream s;                                                     \
  s << message;                                                             \
  throw ExceptionName(s.str(), __FILE__, BOOST_CURRENT_FUNCTION, __LINE__); \
}
 
namespace pcl
{
  namespace poisson
  {
    /** \class PoissonException
      * \brief A base class for all poisson exceptions which inherits from std::runtime_error
      * 
      * \note 
      * Adapted from PCLException. We intentionally do not reuse PCLException here
      * to avoid introducing any dependencies on PCL in this 3rd party module.       
      */
    class PoissonException : public std::runtime_error
    {
      public:
        PoissonException (const std::string& error_description,
                      const char* file_name = nullptr,
                      const char* function_name = nullptr,
                      unsigned line_number = 0)
          : std::runtime_error (createDetailedMessage (error_description,
                                                       file_name,
                                                       function_name,
                                                       line_number))
          , file_name_ (file_name)
          , function_name_ (function_name)
          , line_number_ (line_number)
        {}
 
      protected:
        static std::string
        createDetailedMessage (const std::string& error_description,
                               const char* file_name,
                               const char* function_name,
                               unsigned line_number)
        {
          std::ostringstream sstream;
          if (function_name)
            sstream << function_name << ' ';
          
          if (file_name)
          {
            sstream << "in " << file_name << ' ';
            if (line_number)
              sstream << "@ " << line_number << ' ';
          }
          sstream << ": " << error_description;
          
          return (sstream.str ());
        }
      
        const char* file_name_;
        const char* function_name_;
        unsigned line_number_;
    };
 
    /** \class PoissonBadArgumentException
      * \brief An exception that is thrown when the arguments number or type is wrong/unhandled.
      */
    class PoissonBadArgumentException : public PoissonException
    {
    public:
      PoissonBadArgumentException (const std::string& error_description,
        const char* file_name = nullptr,
        const char* function_name = nullptr,
        unsigned line_number = 0)
        : pcl::poisson::PoissonException (error_description, file_name, function_name, line_number) {}
    };
 
    /** \class PoissonOpenMPException
      * \brief An exception that is thrown when something goes wrong inside an openMP for loop.
      */
    class PoissonOpenMPException : public PoissonException
    {
    public:
      PoissonOpenMPException (const std::string& error_description,
        const char* file_name = nullptr,
        const char* function_name = nullptr,
        unsigned line_number = 0)
        : pcl::poisson::PoissonException (error_description, file_name, function_name, line_number) {}
    };
 
    /** \class PoissonBadInitException
      * \brief An exception that is thrown when initialization fails.
      */
    class PoissonBadInitException : public PoissonException
    {
    public:
      PoissonBadInitException (const std::string& error_description,
        const char* file_name = nullptr,
        const char* function_name = nullptr,
        unsigned line_number = 0)
        : pcl::poisson::PoissonException (error_description, file_name, function_name, line_number) {}
    };
  }
}