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FileHandler.h
1
/**************************************************************************
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* BASF2 (Belle Analysis Framework 2) *
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* Copyright(C) 2010-2011 Belle II Collaboration *
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* *
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* Author: The Belle II Collaboration *
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* Contributors: Martin Ritter *
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* *
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* This software is provided "as is" without any warranty. *
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**************************************************************************/
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11
#pragma once
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13
#include <framework/gearbox/InputHandler.h>
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#include <boost/iostreams/filtering_stream.hpp>
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#include <boost/format.hpp>
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17
namespace
Belle2
{
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namespace
gearbox {
23
25
class
FileContext:
public
InputContext {
26
public
:
31
FileContext
(
const
std::string& filename,
bool
compressed);
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virtual
int
readXmlData
(
char
* buffer,
int
buffsize)
override
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{
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m_stream
.read(buffer, buffsize);
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return
m_stream
.gcount();
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}
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virtual
~FileContext
() {}
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protected
:
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boost::iostreams::filtering_istream
m_stream
;
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};
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69
class
FileHandler
:
public
InputHandler {
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public
:
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explicit
FileHandler
(
const
std::string& uri);
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virtual
~FileHandler
() {}
82
virtual
InputContext
*
open
(
const
std::string& path)
override
;
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protected
:
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std::string
m_path
;
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boost::format
m_pathformat
;
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bool
m_rundependence
{
false
};
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};
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}
//namespace gearbox
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}
//namespace Belle2
Belle2::gearbox::FileHandler::FileHandler
FileHandler(const std::string &uri)
Instantiate a new file handler, using the uri as base search path.
Definition:
FileHandler.cc:36
Belle2::gearbox::FileContext::readXmlData
virtual int readXmlData(char *buffer, int buffsize) override
Return a block of the data.
Definition:
FileHandler.h:41
Belle2::gearbox::FileHandler::~FileHandler
virtual ~FileHandler()
empty, virtual destructor
Definition:
FileHandler.h:85
Belle2::gearbox::FileContext::m_stream
boost::iostreams::filtering_istream m_stream
stream to read data from
Definition:
FileHandler.h:50
Belle2
Abstract base class for different kinds of events.
Definition:
MillepedeAlgorithm.h:19
FileHandler
Definition:
storagerecord.cc:42
Belle2::gearbox::FileContext::FileContext
FileContext(const std::string &filename, bool compressed)
Open the given filename.
Definition:
FileHandler.cc:29
Belle2::gearbox::FileHandler::m_path
std::string m_path
Search path to look for files.
Definition:
FileHandler.h:93
Belle2::gearbox::InputContext
Class representing a resource context for gearbox.
Definition:
InputHandler.h:35
Belle2::gearbox::FileContext::~FileContext
virtual ~FileContext()
Close the file.
Definition:
FileHandler.h:47
Belle2::gearbox::FileHandler::m_pathformat
boost::format m_pathformat
format object in case of run-dependent data path
Definition:
FileHandler.h:95
Belle2::gearbox::FileHandler::open
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:65
Belle2::gearbox::FileHandler::m_rundependence
bool m_rundependence
bool indicating whether the data path is run-dependent
Definition:
FileHandler.h:97
framework
gearbox
include
FileHandler.h
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