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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 CONVERT_SERVICE_H
#define CONVERT_SERVICE_H
// STL headers
#include <iostream>
#include <string>
#include <sstream>
#include <algorithm>
#include <cctype> // std::tolower
// SampleAnalyzer headers
#include "SampleAnalyzer/Commons/Base/PortableDatatypes.h"
#include "SampleAnalyzer/Commons/Service/ExceptionService.h"
// ShortCut to access to ConvertService
#define CONVERT MA5::ConvertService::GetInstance()
namespace MA5
{
//////////////////////////////////////////////////////////////////////////////
/// The class ConvertService contains static methods used for converting
/// all types into string type.
///
/// ConvertService is a singleton-pattern-based class : only one instance.
/// Getting the only one instance : ConvertService::GetInstance()
//////////////////////////////////////////////////////////////////////////////
class ConvertService
{
// -------------------------------------------------------------
// data members
// -------------------------------------------------------------
private :
/// Pointer to the unique instance of ConvertService
static ConvertService* Service_;
/// Streamer used for the conversion
std::stringstream Converter_;
// -------------------------------------------------------------
// method members
// -------------------------------------------------------------
private:
/// Constructor without argument
ConvertService()
{}
/// Destructor
~ConvertService()
{}
/// (Re)initialzing the streamer
void Initialize()
{ Converter_.str(""); }
public:
/// Getting the unique instance of ConvertService
static ConvertService* GetInstance()
{
if (Service_==0) Service_ = new ConvertService;
return Service_;
}
/// Deleting the unique instance of Convert Service
static void Kill()
{
if (Service_!=0) delete Service_;
Service_=0;
}
/// Conversion function to std::string
template <class T>
const std::string ToString(const T& value)
{
Initialize();
Converter_ << value;
return Converter_.str();
}
/// Conversion function to MAint32
template <class T>
const MAint32 ToMAint32(const T& value)
{
Initialize();
Converter_ << value;
MAint32 convert=0;
Converter_ >> convert;
try
{
if (Converter_.fail()) throw EXCEPTION_ERROR("Impossible to convert a string to a int","word="+ToString(value),0);
}
catch (const std::exception& e)
{
MANAGE_EXCEPTION(e);
}
return convert;
}
/// Conversion function to MAuint32
template <class T>
const MAuint32 ToMAuint32(const T& value)
{
Initialize();
Converter_ << value;
MAuint32 convert=0;
Converter_ >> convert;
try
{
if (Converter_.fail()) throw EXCEPTION_ERROR("Impossible to convert a string to a int","word="+ToString(value),0);
}
catch (const std::exception& e)
{
MANAGE_EXCEPTION(e);
}
return convert;
}
/// Conversion function to MAfloat32
template <class T>
const MAfloat32 ToFloat(const T& value)
{
Initialize();
Converter_ << value;
MAfloat32 convert=0;
Converter_ >> convert;
try
{
if (Converter_.fail()) throw EXCEPTION_ERROR("Impossible to convert a string to a float","word="+ToString(value),0);
}
catch (const std::exception& e)
{
MANAGE_EXCEPTION(e);
}
return convert;
}
/// Conversion function to lower case
const std::string ToLower(const std::string& value) const
{
std::string result=value;
std::transform(value.begin(), value.end(), result.begin(),
(int(*)(int)) std::tolower);
return result;
}
/// Conversion function to upper case
const std::string ToUpper(const std::string& value) const
{
std::string result=value;
std::transform(value.begin(), value.end(), result.begin(),
(int(*)(int)) std::toupper);
return result;
}
/// Test the success of the last conversion
MAbool Success()
{
return true;
}
/// Test the failure of the last conversion
MAbool Fail()
{
return true;
}
};
}
#endif
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