PUserFcnBase.cpp

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/***************************************************************************
 
  PUserFcnBase.cpp
 
  Author: Andreas Suter
  e-mail: andreas.suter@psi.ch
 
***************************************************************************/
 
/***************************************************************************
 *   Copyright (C) 2007-2026 by Andreas Suter                              *
 *   andreas.suter@psi.ch                                                  *
 *                                                                         *
 *   This program 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 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU 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.             *
 ***************************************************************************/
 
#include <vector>
#include <fstream>
 
#include "PUserFcnBase.h"
 
ClassImp(PUserFcnBase)
 
//--------------------------------------------------------------------------
Int_t parseXmlFile(TSAXParser *saxParser, const char *startup_path_name)
{
  Int_t status;
  std::fstream xmlFile;
  UInt_t xmlSize = 0;
  Char_t *xmlBuffer = nullptr;
 
  xmlFile.open(startup_path_name, std::ios::in | std::ios::ate); // open file for reading and go to the end of the file
  if (xmlFile.is_open()) { // check if file has been opened successfully
    xmlSize = xmlFile.tellg(); // get the position within the stream == size of the file (since we are at the end)
    xmlFile.seekg(0, std::ios::beg); // go back to the beginning of the stream
    xmlBuffer = new Char_t[xmlSize]; // allocate buffer memory for the whole XML file
    xmlFile.read(xmlBuffer, xmlSize); // read in the whole XML file into the buffer
    xmlFile.close(); // close the XML file
  }
  if (!xmlBuffer) { // file has not been read into the buffer
    status = 1;
  } else {
    status = saxParser->ParseBuffer(xmlBuffer, xmlSize); // parse buffer
    delete[] xmlBuffer; // free the buffer memory
    xmlBuffer = nullptr;
  }
 
  return status;
}
 
//--------------------------------------------------------------------------
std::vector<void *> gGlobalUserFcn;