FileReadTool.cpp

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/***********************************************************************************\
* (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
*                                                                                   *
* In applying this licence, CERN does not waive the privileges and immunities       *
* granted to it by virtue of its status as an Intergovernmental Organization        *
* or submit itself to any jurisdiction.                                             *
\***********************************************************************************/
#include "FileReadTool.h"
#include <fstream>
 
DECLARE_COMPONENT( FileReadTool )
 
std::unique_ptr<std::istream> FileReadTool::open( const std::string& url ) {
  // remove the optional "file://" from the beginning of the url
  std::string path;
  if ( url.compare( 0, 7, "file://" ) == 0 ) {
    path = url.substr( 7 );
  } else {
    path = url;
  }
  return std::make_unique<std::ifstream>( path );
}
 
const std::vector<std::string>& FileReadTool::protocols() const {
  static const std::vector<std::string> s_protocols = {{"file"}};
  return s_protocols;
}