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Exception Factory and producers

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This commit is contained in:
Abdullah Tahiri
2017-05-08 14:23:37 +02:00
committed by wmayer
parent 57698ef73c
commit fe0c4987b6
3 changed files with 159 additions and 0 deletions
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2
src/Base/CMakeLists.txt
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@@ -197,6 +197,7 @@ SET(FreeCADBase_CPP_SRCS
CoordinateSystem.cpp
Debugger.cpp
Exception.cpp
ExceptionFactory.cpp
Factory.cpp
FileInfo.cpp
FileTemplate.cpp
@@ -251,6 +252,7 @@ SET(FreeCADBase_HPP_SRCS
CoordinateSystem.h
Debugger.h
Exception.h
ExceptionFactory.h
Factory.h
FileInfo.h
FileTemplate.h

55
src/Base/ExceptionFactory.cpp Normal file
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@@ -0,0 +1,55 @@
/***************************************************************************
* Copyright (c) 2017 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "ExceptionFactory.h"
using namespace Base;
ExceptionFactory* ExceptionFactory::_pcSingleton = NULL;
ExceptionFactory& ExceptionFactory::Instance(void)
{
if (_pcSingleton == NULL)
_pcSingleton = new ExceptionFactory;
return *_pcSingleton;
}
void ExceptionFactory::Destruct (void)
{
if (_pcSingleton != 0)
delete _pcSingleton;
_pcSingleton = 0;
}
void ExceptionFactory::raiseException (const ExceptionInfo& info) const
{
if(this->CanProduce(info.exceptionname.c_str())) {
std::map<const std::string, AbstractProducer*>::const_iterator pProd;
pProd = _mpcProducers.find(info.exceptionname.c_str());
if (pProd != _mpcProducers.end())
static_cast<AbstractExceptionProducer *>(pProd->second)->raiseException(info);
}
}

102
src/Base/ExceptionFactory.h Normal file
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@@ -0,0 +1,102 @@
/***************************************************************************
* Copyright (c) 2017 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef BASE_EXCEPTIONFACTORY_H
#define BASE_EXCEPTIONFACTORY_H
#include "Factory.h"
namespace Base
{
struct ExceptionInfo {
std::string exceptionname;
std::string function;
std::string message;
std::string file;
unsigned int line;
};
/// Abstract base class of all exception producers
class BaseExport AbstractExceptionProducer : public AbstractProducer
{
public:
AbstractExceptionProducer () {}
~AbstractExceptionProducer() {}
// just implement it
void* Produce () const {
return nullptr;
}
virtual void raiseException(const ExceptionInfo& info) const = 0;
};
// --------------------------------------------------------------------
/** The ExceptionFactory */
class BaseExport ExceptionFactory : public Factory
{
public:
static ExceptionFactory& Instance(void);
static void Destruct (void);
void raiseException(const ExceptionInfo& info) const;
private:
static ExceptionFactory* _pcSingleton;
ExceptionFactory(){}
~ExceptionFactory(){}
};
/* Producers */
template <class CLASS>
class BaseExport ExceptionProducer : public AbstractExceptionProducer
{
public:
ExceptionProducer ()
{
ExceptionFactory::Instance().AddProducer(typeid(CLASS).name(), this);
}
virtual ~ExceptionProducer (){}
void raiseException(const ExceptionInfo& info) const
{
CLASS c;
c.setMessage(info.message);
c.setDebugInformation(info.file, info.line, info.function);
throw c;
}
};
} //namespace Base
#endif