/* Copyright (C) 2005 The cairomm Development Team

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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 GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 */

#include <cairommconfig.h> //For CAIROMM_EXCEPTIONS_ENABLED

#include <cairomm/private.h>

#include <cairomm/exception.h>

#include <stdexcept>

#include <iostream>

namespace Cairo

{

#ifdef CAIROMM_EXCEPTIONS_ENABLED

void throw_exception(ErrorStatus status)

{

  switch(status)

  {

    case CAIRO_STATUS_SUCCESS:

      // we should never get here, but just in case

      break;

    case CAIRO_STATUS_NO_MEMORY:

      throw std::bad_alloc();

      break;

    // Programmer error

    case CAIRO_STATUS_INVALID_RESTORE:

    case CAIRO_STATUS_INVALID_POP_GROUP:

    case CAIRO_STATUS_NO_CURRENT_POINT:

    case CAIRO_STATUS_INVALID_MATRIX:

    //No longer in API?: case CAIRO_STATUS_NO_TARGET_SURFACE:

    case CAIRO_STATUS_INVALID_STRING:

    case CAIRO_STATUS_SURFACE_FINISHED:

    //No longer in API?: case CAIRO_STATUS_BAD_NESTING:

      throw Cairo::logic_error(status);

      break;

    // Language binding implementation:

    case CAIRO_STATUS_NULL_POINTER:

    case CAIRO_STATUS_INVALID_PATH_DATA:

    case CAIRO_STATUS_SURFACE_TYPE_MISMATCH:

      throw Cairo::logic_error(status);

      break;

    // Other

    case CAIRO_STATUS_READ_ERROR:

    case CAIRO_STATUS_WRITE_ERROR:

      {

        //The Cairo language binding advice suggests that these are stream errors 

        //that should be mapped to their C++ equivalents.

        const char* error_message = cairo_status_to_string(status);

        throw std::ios_base::failure( error_message ? error_message : std::string() );

      }

      break;

    default:

      throw Cairo::logic_error(status);

      break;

  }

}

#else

void throw_exception(ErrorStatus /* status */)

{

  //Do nothing. The application should call get_status() instead.

}

#endif //CAIROMM_EXCEPTIONS_ENABLED

} //namespace Cairo

// vim: ts=2 sw=2 et