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/* $Id$
-----------------------------------------------------------------------------
This source file is part of VideoTexture library
Copyright (c) 2006 The Zdeno Ash Miklas
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/
/** \file Exception.h
* \ingroup bgevideotex
*/
#if !defined EXCEPTION_H
#define EXCEPTION_H
#include <exception>
#include <vector>
#include <string>
#include <algorithm>
#include "Common.h"
#define CHCKHRSLTV(fnc,val,err) \
{ \
HRESULT macroHRslt = (fnc); \
if (macroHRslt != val) \
throw Exception (err, macroHRslt, __FILE__, __LINE__); \
}
#define THRWEXCP(err,hRslt) throw Exception (err, hRslt, __FILE__, __LINE__);
#if defined WIN32
#define CHCKHRSLT(fnc,err) \
{ \
HRESULT macroHRslt = (fnc); \
if (FAILED(macroHRslt)) \
throw Exception (err, macroHRslt, __FILE__, __LINE__); \
}
#else
#define CHCKHRSLT(fnc,err) CHCKHRSLTV(fnc,S_OK,err)
#endif
// forward declarations
class ExceptionID;
class Exception;
// exception identificators
extern ExceptionID ErrGeneral, ErrNotFound;
// result type
typedef long RESULT;
// class ExceptionID for exception identification
class ExceptionID
{
public:
// constructor a destructor
ExceptionID (void) {}
~ExceptionID (void) {}
private:
// not allowed
ExceptionID (const ExceptionID & obj) throw() {}
ExceptionID & operator= (const ExceptionID & obj) throw() { return *this; }
};
// class ExpDesc for exception description
class ExpDesc
{
public:
// constructor a destructor
ExpDesc (ExceptionID & exp, const char * desc, RESULT hres = S_OK);
~ExpDesc (void);
// comparision function
// returns 0, if exception identification don't match at all
// returns 1, if only exception identification is matching
// returns 2, if both exception identification and result are matching
int isExp (ExceptionID * exp, RESULT hres = S_OK) throw()
{
// check exception identification
if (&m_expID == exp)
{
// check result value
if (m_hRslt == hres) return 2;
// only identification match
if (m_hRslt == S_OK) return 1;
}
// no match
return 0;
}
// get exception description
void loadDesc (std::string & desc) throw()
{
desc = m_description;
}
void registerDesc(void)
{
if (std::find(m_expDescs.begin(), m_expDescs.end(), this) == m_expDescs.end())
m_expDescs.push_back(this);
}
// list of exception descriptions
static std::vector<ExpDesc*> m_expDescs;
private:
// exception ID
ExceptionID & m_expID;
// result
RESULT m_hRslt;
// description
const char * m_description;
// not allowed
ExpDesc (const ExpDesc & obj) : m_expID (ErrNotFound) {}
ExpDesc & operator= (const ExpDesc & obj) { return *this; }
};
// class Exception
class Exception : public std::exception
{
public:
// constructor
Exception ();
// destructor
virtual ~Exception () throw();
// copy constructor
Exception (const Exception & xpt);
// assignment operator
Exception & operator= (const Exception & xpt);
// get exception description
virtual const char * what(void);
// debug version of constructor
Exception (ExceptionID & expID, RESULT rslt, const char * fil, int lin);
// set source file and line of exception
void setFileLine (const char * fil, int lin);
// get description in string
std::string & getDesc (void) throw() { return m_desc; }
// report exception
virtual void report (void);
// get exception id
ExceptionID * getID (void) throw() { return m_expID; }
/// last exception description
static std::string m_lastError;
/// log file name
static const char * m_logFile;
protected:
// exception identification
ExceptionID * m_expID;
// RESULT code
RESULT m_hRslt;
// exception description
std::string m_desc;
// set exception description
virtual void setXptDesc (void);
// copy exception
void copy (const Exception & xpt);
// file name where exception was thrown
std::string m_fileName;
// line number in file
int m_line;
};
extern ExpDesc MaterialNotAvailDesc;
extern ExpDesc ImageSizesNotMatchDesc;
extern ExpDesc ImageHasExportsDesc;
extern ExpDesc InvalidColorChannelDesc;
extern ExpDesc SceneInvalidDesc;
extern ExpDesc CameraInvalidDesc;
extern ExpDesc ObserverInvalidDesc;
extern ExpDesc MirrorInvalidDesc;
extern ExpDesc MirrorSizeInvalidDesc;
extern ExpDesc MirrorNormalInvalidDesc;
extern ExpDesc MirrorHorizontalDesc;
extern ExpDesc MirrorTooSmallDesc;
extern ExpDesc SourceVideoEmptyDesc;
extern ExpDesc SourceVideoCreationDesc;
void registerAllExceptions(void);
#endif
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