FairTestOutputHandler.cxx

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/********************************************************************************
 *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
 *                                                                              *
 *              This software is distributed under the terms of the             *
 *              GNU Lesser General Public Licence (LGPL) version 3,             *
 *                  copied verbatim in the file "LICENSE"                       *
 ********************************************************************************/
#include "FairTestOutputHandler.h"

#include <fstream>

FairTestOutputHandler::FairTestOutputHandler(const std::string& filename)
    : fFileName(filename)
    , fFileContent()
    , fFileContentIterator()
    , fNumberOfLines(0)
    , fFileAlreadyRead(false)
{}

FairTestOutputHandler::FairTestOutputHandler()
    : fFileName()
    , fFileContent()
    , fFileContentIterator()
    , fNumberOfLines(0)
    , fFileAlreadyRead(false)
{}

FairTestOutputHandler::~FairTestOutputHandler() { remove(fFileName.c_str()); }

void FairTestOutputHandler::SetFileName(const std::string& filename)
{
    fFileName = filename;
    fFileContent.clear();
    fNumberOfLines = 0;
    fFileAlreadyRead = false;
}

int FairTestOutputHandler::GetNumberOfLines()
{
    ReadContentFromFile();
    return fNumberOfLines;
}

void FairTestOutputHandler::ReadContentFromFile()
{
    if (!fFileAlreadyRead) {
        fFileContent.clear();
        fNumberOfLines = 0;

        std::ifstream ifs(fFileName.c_str());
        std::string line;

        while (getline(ifs, line)) {
            fFileContent.push_back(line);
            ++fNumberOfLines;
        }
        fFileAlreadyRead = true;
    }
}

std::string FairTestOutputHandler::GetCaptureLine(int line)
{

    ReadContentFromFile();

    return fFileContent[line];
}