ruby-opencv/ext/opencv/cverror.cpp

/************************************************************

    cverror.cpp -

    $Author: lsxi $

    Copyright (C) 2005-2006 Masakazu Yonekura

************************************************************/
#include "cverror.h"
/*
 * Document-class: OpenCV::CvError
 * 
 * =Internal OpenCV errors
 *
 * This module collect OpenCV internal error wrapper classes.
 * * CvStatusBackTrace
 * * CvStatusError
 * * CvStatusInternal
 * * CvStatusNoMemory
 * * CvStatusBadArgument
 * * CvStatusNoConverge
 * * CvStatusAutoTrace
 *
 * * CvHeaderIsNull
 * * CvBadImageSize
 * * CvBadOffset
 * * CvBadDataPointer
 * * CvBadStep
 * * CvBadModelOrChannelSequence
 * * CvBadNumChannels
 * * CvBadAlphaChannel
 * * CvBadOrder
 * * CvBadOrigin
 * * CvBadAlign
 * * CvBadCallback
 * * CvBadTileSize
 * * CvBadCOI
 * * CvBadROISize
 * 
 * * CvMaskIsTiled
 *
 * * CvStatusNullPointer
 * * CvStatusVectorLengthError
 * * CvStatusFilterStructContentError
 * * CvStatusKernelStructContentError
 * * CvStatusFilterOffsetError
 * 
 * * CvStatusBadSize
 * * CvStatusDivByZero
 * * CvStatusInplaceNotSupported
 * * CvStatusObjectNotFound
 * * CvStatusUnmatchedFormant
 * * CvStatusUnsupportedFormats
 * * CvStatusOutOfRange
 * * CvStatusParseError
 * * CvStatusNotImplemented
 * * CvStsBadMemoryBlock
 */

__NAMESPACE_BEGIN_OPENCV
__NAMESPACE_BEGIN_CVERROR

st_table *cv_error = st_init_numtable();
    
VALUE rb_klass;

void
REGISTER_CVERROR(const char* object_name, int error_code)
{
  st_insert(cv_error, (st_data_t)error_code,
	    (st_data_t)rb_define_class_under(rb_module_opencv(), object_name, rb_klass));
}

VALUE
rb_class()
{
  return rb_klass;
}

void define_ruby_class()
{
  if (rb_klass)
    return;

  /* 
   * opencv = rb_define_module("OpenCV");
   * 
   * note: this comment is used by rdoc.
   */
  VALUE opencv = rb_module_opencv();

  rb_klass = rb_define_class_under(opencv, "CvError", rb_eStandardError);
  REGISTER_CVERROR("CvStsBackTrace", CV_StsBackTrace);
  REGISTER_CVERROR("CvStsError", CV_StsError);
  REGISTER_CVERROR("CvStsInternal", CV_StsInternal);
  REGISTER_CVERROR("CvStsNoMem", CV_StsNoMem);
  REGISTER_CVERROR("CvStsBadArg", CV_StsBadArg);
  REGISTER_CVERROR("CvStsBadFunc", CV_StsBadFunc);
  REGISTER_CVERROR("CvStsNoConv", CV_StsNoConv);
  REGISTER_CVERROR("CvStsAutoTrace", CV_StsAutoTrace);
  REGISTER_CVERROR("CvHeaderIsNull", CV_HeaderIsNull);
  REGISTER_CVERROR("CvBadImageSize", CV_BadImageSize);
  REGISTER_CVERROR("CvBadOffset", CV_BadOffset);
  REGISTER_CVERROR("CvBadDataPtr", CV_BadDataPtr);
  REGISTER_CVERROR("CvBadStep", CV_BadStep);
  REGISTER_CVERROR("CvBadModelOrChSeq", CV_BadModelOrChSeq);
  REGISTER_CVERROR("CvBadNumChannels", CV_BadNumChannels);
  REGISTER_CVERROR("CvBadNumChannel1U", CV_BadNumChannel1U);
  REGISTER_CVERROR("CvBadDepth", CV_BadDepth);
  REGISTER_CVERROR("CvBadAlphaChannel", CV_BadAlphaChannel);
  REGISTER_CVERROR("CvBadOrder", CV_BadOrder);
  REGISTER_CVERROR("CvBadOrigin", CV_BadOrigin);
  REGISTER_CVERROR("CvBadAlign", CV_BadAlign);
  REGISTER_CVERROR("CvBadCallBack", CV_BadCallBack);
  REGISTER_CVERROR("CvBadTileSize", CV_BadTileSize);
  REGISTER_CVERROR("CvBadCOI", CV_BadCOI);
  REGISTER_CVERROR("CvBadROISize", CV_BadROISize);
  REGISTER_CVERROR("CvMaskIsTiled", CV_MaskIsTiled);
  REGISTER_CVERROR("CvStsNullPtr", CV_StsNullPtr);
  REGISTER_CVERROR("CvStsVecLengthErr", CV_StsVecLengthErr);
  REGISTER_CVERROR("CvStsFilterStructContentErr", CV_StsFilterStructContentErr);
  REGISTER_CVERROR("CvStsKernelStructContentErr", CV_StsKernelStructContentErr);
  REGISTER_CVERROR("CvStsFilterOffsetErr", CV_StsFilterOffsetErr);
  REGISTER_CVERROR("CvStsBadSize", CV_StsBadSize);
  REGISTER_CVERROR("CvStsDivByZero", CV_StsDivByZero);
  REGISTER_CVERROR("CvStsInplaceNotSupported", CV_StsInplaceNotSupported);
  REGISTER_CVERROR("CvStsObjectNotFound", CV_StsObjectNotFound);
  REGISTER_CVERROR("CvStsUnmatchedFormats", CV_StsUnmatchedFormats);
  REGISTER_CVERROR("CvStsBadFlag", CV_StsBadFlag);
  REGISTER_CVERROR("CvStsBadPoint", CV_StsBadPoint);
  REGISTER_CVERROR("CvStsBadMask", CV_StsBadMask);
  REGISTER_CVERROR("CvStsUnmatchedSizes", CV_StsUnmatchedSizes);
  REGISTER_CVERROR("CvStsUnsupportedFormat", CV_StsUnsupportedFormat);
  REGISTER_CVERROR("CvStsOutOfRange", CV_StsOutOfRange);
  REGISTER_CVERROR("CvStsParseError", CV_StsParseError);
  REGISTER_CVERROR("CvStsNotImplemented", CV_StsNotImplemented);
  REGISTER_CVERROR("CvStsBadMemBlock", CV_StsBadMemBlock);
  REGISTER_CVERROR("CvStsAssert", CV_StsAssert);
  REGISTER_CVERROR("CvGpuNotSupported", CV_GpuNotSupported);
  REGISTER_CVERROR("CvGpuApiCallError", CV_GpuApiCallError);
}
    
VALUE
by_code(int error_code)
{
  VALUE klass = 0;
  st_lookup(cv_error, (st_data_t)error_code, (st_data_t*)&klass);
  return klass ? klass : rb_eStandardError;
}

void
raise(cv::Exception e)
{
  rb_raise(by_code(e.code), "%s", e.what());
}

__NAMESPACE_END_CVERROR
__NAMESPACE_END_OPENCV