Exception.cc

// Copyright (c) 2013 by István Váradi
 
// This file is part of XPLRA, a remote-access plugin for X-Plane
 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
 
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
// The views and conclusions contained in the software and documentation are those
// of the authors and should not be interpreted as representing official policies,
// either expressed or implied, of the FreeBSD Project.
 
//------------------------------------------------------------------------------
 
#include "Exception.h"
 
#include <cstdio>
 
//------------------------------------------------------------------------------
 
using hu::varadiistvan::xplra::Exception;
using hu::varadiistvan::xplra::IOException;
using hu::varadiistvan::xplra::ProtocolException;
 
//------------------------------------------------------------------------------
 
const char* Exception::what() const throw()
{
    return message.c_str();
}
 
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
 
IOException::IOException(errorCode_t errorCode) throw() :
    errorCode(errorCode)
{
    char buf[256];
    snprintf(buf, sizeof(buf), "xplra::IOException: error code=%lu",
             errorCode);
    message = buf;
}
 
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
 
ProtocolException::ProtocolException(errorCode_t errorCode, bool hasParameter,
                                     long parameter) throw() :
    errorCode(errorCode),
    hasParameter(parameter),
    parameter(parameter)
{
    switch (errorCode) {
      case INVALID_COMMAND:
        message = "xplra::ProtocolException: invalid command";
        break;
      case UNKNOWN_DATAREF:
        message = "xplra::ProtocolException: unknown dataref";
        if (hasParameter) {
            char buf[32];
            snprintf(buf, sizeof(buf), " (# %ld)", parameter);
            message += buf;
        }
        break;
      case INVALID_TYPE:
        message = "xplra::ProtocolException: invalid type";
        break;
      case INVALID_LENGTH:
        message = "xplra::ProtocolException: invalid length";
        break;
      case INVALID_OFFSET:
        message = "xplra::ProtocolException: invalid offset";
        break;
      case INVALID_COUNT:
        message = "xplra::ProtocolException: invalid count";
        break;
      case INVALID_ID:
        message = "xplra::ProtocolException: invalid ID";
        break;
      case INVALID_DURATION:
        message = "xplra::ProtocolException: invalid duration";
        break;
      case OTHER:
        message = "xplra::ProtocolException: other error";
        break;
      default:
        message = "xplra::ProtocolException: unknown error";
        break;
    }
}
 
//------------------------------------------------------------------------------
 
// Local Variables:
// mode: C++
// c-basic-offset: 4
// indent-tabs-mode: nil
// End: