Belle II Software light-2406-ragdoll
FileHandler.h
1/**************************************************************************
2 * basf2 (Belle II Analysis Software Framework) *
3 * Author: The Belle II Collaboration *
4 * *
5 * See git log for contributors and copyright holders. *
6 * This file is licensed under LGPL-3.0, see LICENSE.md. *
7 **************************************************************************/
8
9#pragma once
10
11#include <framework/gearbox/InputHandler.h>
12#include <boost/iostreams/filtering_stream.hpp>
13#include <boost/format.hpp>
14
15namespace Belle2 {
20 namespace gearbox {
21
23 class FileContext: public InputContext {
24 public:
29 FileContext(const std::string& filename, bool compressed);
31 virtual int readXmlData(char* buffer, int buffsize) override
32 {
33 m_stream.read(buffer, buffsize);
34 return m_stream.gcount();
35 }
37 virtual ~FileContext() {}
38 protected:
40 boost::iostreams::filtering_istream m_stream;
41 };
42
67 class FileHandler: public InputHandler {
68 public:
73 explicit FileHandler(const std::string& uri);
75 virtual ~FileHandler() {}
80 virtual InputContext* open(const std::string& path) override;
81 protected:
83 std::string m_path;
85 boost::format m_pathformat;
87 bool m_rundependence {false};
88 };
89 } //namespace gearbox
91} //namespace Belle2
InputContext which serves the content of a plain file.
Definition: FileHandler.h:23
virtual int readXmlData(char *buffer, int buffsize) override
Return a block of the data.
Definition: FileHandler.h:31
boost::iostreams::filtering_istream m_stream
stream to read data from
Definition: FileHandler.h:40
virtual ~FileContext()
Close the file.
Definition: FileHandler.h:37
InputHandler which will read XML from plain files, optionally gzip compressed.
Definition: FileHandler.h:67
virtual ~FileHandler()
empty, virtual destructor
Definition: FileHandler.h:75
std::string m_path
Search path to look for files.
Definition: FileHandler.h:83
virtual InputContext * open(const std::string &path) override
create a new FileContext by searching the file system for a file named like path.
Definition: FileHandler.cc:64
boost::format m_pathformat
format object in case of run-dependent data path
Definition: FileHandler.h:85
bool m_rundependence
bool indicating whether the data path is run-dependent
Definition: FileHandler.h:87
Class representing a resource context for gearbox.
Definition: InputHandler.h:25
Class to provide an InputContext for a given XML resource name.
Definition: InputHandler.h:47
Abstract base class for different kinds of events.
Definition: ClusterUtils.h:24