/*  -*-c++-*- 
 *  Copyright (C) 2008 Cedric Pinson <mornifle@plopbyte.net>
 *
 * This library is open source and may be redistributed and/or modified under  
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 * 
 * 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 
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSGANIMATION_ASSERT_H
#define OSGANIMATION_ASSERT_H

#include <string>
#include <sstream>
#include <exception>

namespace osgAnimation
{

    struct ThrowAssert  : public std::exception
    {
        virtual const char* what() const throw () { return mMsg.c_str();}

        std::string mMsg;
        ThrowAssert(const std::string& msg, const char* file, int line ) 
        {
            std::stringstream ss;
            ss << "Assert (" << msg << ") in file " << file << " at line " << line; 
            mMsg = ss.str();
        }

        ThrowAssert() {}
        virtual ~ThrowAssert() throw () {}
    };
}

#ifdef OSGANIMATION_ASSERT_THROW
#define OSGANIMATION_ASSERT(a)  if (!(a)) throw osgAnimation::ThrowAssert(std::string(#a),__FILE__,__LINE__);

#else 
#define OSGANIMATION_ASSERT(a)  {if (!(a)) *((int*)0) = 0;}
#endif

#endif