StringHandler.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2010-2011  Belle II Collaboration                         *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Martin Ritter                                            *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
 
#pragma once
 
#include <framework/gearbox/InputHandler.h>
#include <sstream>
 
namespace Belle2 {
  namespace gearbox {
    class StringContext: public InputContext {
    public:
      explicit StringContext(const std::string& data): m_stream(data) {};
      virtual int readXmlData(char* buffer, int buffsize) override
      {
        m_stream.read(buffer, buffsize);
        return m_stream.gcount();
      }
    protected:
      std::istringstream m_stream;
    };
 
    class StringHandler: public InputHandler {
    public:
      explicit StringHandler(const std::string& uri): InputHandler(uri) {}
      virtual ~StringHandler() {}
      virtual InputContext* open(const std::string& path) override;
    };
  }
}