opencv/interfaces/swig/octave/octerror.cpp

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// 2004-03-17, Gabriel Schreiber <schreiber@ient.rwth-aachen.de>
//             Mark Asbach       <asbach@ient.rwth-aachen.de>
//             Institute of Communications Engineering, RWTH Aachen University
// 2008-04-19, Xavier Delacour   <xavier.delacour@gmail.com>


#include "octerror.h"
#include <sstream>
#include <iostream>

#include <octave/oct.h>

// OpenCV headers
#include "cxcore.h"
#include "cxerror.h"


//=========================================================================
int SendErrorToOctave
    (
    int status, 
    const char* func_name, 
    const char* err_msg,
    const char* file_name, 
    int line, 
    void* /*userdata*/
    )
    throw(int)
    {
    std::stringstream message;
    message   
        << " openCV Error:"
        << "\n        Status=" << cvErrorStr(status)
        << "\n        function name=" << (func_name ? func_name : "unknown")
        << "\n        error message=" << (err_msg ? err_msg : "unknown")
        << "\n        file_name=" << (file_name ? file_name : "unknown")
        << "\n        line=" << line
        << std::flush;

    // Clear OpenCV's error status for the next call!
    cvSetErrStatus( CV_StsOk );
    
    // Set Octave Error.
    error(message.str().c_str());
    throw 1;    
    return 0;
    }

    
//=========================================================================
void* void_ptr_generator()
    { 
    return 0;
    }

//=========================================================================
void** void_ptrptr_generator()
    { 
    return 0;
    }

//=========================================================================
CvErrorCallback function_ptr_generator()
    {
    return &SendErrorToOctave;
    }