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////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2012-2016 Eric Conte, Benjamin Fuks
// The MadAnalysis development team, email: <ma5team@iphc.cnrs.fr>
//
// This file is part of MadAnalysis 5.
// Official website: <https://launchpad.net/madanalysis5>
//
// MadAnalysis 5 is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// MadAnalysis 5 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with MadAnalysis 5. If not, see <http://www.gnu.org/licenses/>
//
////////////////////////////////////////////////////////////////////////////////
#ifndef DISPLAY_SERVICE_H
#define DISPLAY_SERVICE_H
// STL headers
#include <iostream>
#include <string>
#include <sstream>
// SampleAnalyzer headers
#include "SampleAnalyzer/Commons/Service/LogReport.h"
#include "SampleAnalyzer/Commons/Service/LogService.h"
#include "SampleAnalyzer/Commons/Service/ExceptionType.h"
// ShortCut to display and store an exception
#define DISPLAY MA5::DisplayService::GetInstance()
namespace MA5
{
//////////////////////////////////////////////////////////////////////////////
/// The class ExceptionService manages the reports related to the logger
/// ERROR and WARNING.
///
/// ExceptionService is a singleton-pattern-based class : only one instance.
/// Getting the only one instance : ExceptionService::GetInstance()
//////////////////////////////////////////////////////////////////////////////
class DisplayService
{
// -------------------------------------------------------------
// data members
// -------------------------------------------------------------
private :
/// Pointer to the unique instance of DisplayService
static DisplayService* Service_;
// -------------------------------------------------------------
// method members
// -------------------------------------------------------------
private:
/// Constructor without argument
DisplayService()
{
oldCoutStreamBuf_=0;
oldCerrStreamBuf_=0;
}
/// Destructor
~DisplayService()
{}
/// Private data
std::streambuf* oldCoutStreamBuf_;
std::streambuf* oldCerrStreamBuf_;
public:
/// Getting the unique instance of DisplayService
static DisplayService* GetInstance()
{
if (Service_==0) Service_ = new DisplayService;
return Service_;
}
/// Deleting the unique instance of Display Service
static void Kill()
{
if (Service_!=0) delete Service_;
Service_=0;
}
/// Redirecting std::cout to a stringstream
void beginCoutRedirection(std::stringstream& str);
void endCoutRedirection();
/// Redirecting std::cerr to a stringstream
void beginCerrRedirection(std::stringstream& str);
void endCerrRedirection();
/// Redirecting a stringstream to a file
bool redirectToFile(std::stringstream& str,
const std::string& filename,
bool recreate=true);
};
}
#endif
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