JROOT::JASCIIFileReader< T > Struct Template Reference

Auxiliary class to read objects with ROOT dictionary from ASCII formatted file. More...

#include <JASCIIFileStreamer.hh>

Inheritance diagram for JROOT::JASCIIFileReader< T >:

Public Member Functions
	JASCIIFileReader (const JRootDictionary &dictionary=JRootDictionary::getInstance())
	Constructor. More...
	JASCIIFileReader (const char *const file_name, const JRootDictionary &dictionary=JRootDictionary::getInstance())
	Constructor. More...
JASCIIFileReader &	operator>> (T &object)
	Read object from this file. More...

Private Attributes
T	object
	internal value More...
T	value
	default value More...
std::vector< JROOT::JRootReadableClass >	columns
	column count -> data member More...
JRootReader	reader

Detailed Description

template<class T>
struct JROOT::JASCIIFileReader< T >

Auxiliary class to read objects with ROOT dictionary from ASCII formatted file.

The names of in the first line are one-to-one mapped to the names of the data members of the corresponding data structure using the corresponding ROOT dictionary.

Definition at line 33 of file JASCIIFileStreamer.hh.

Constructor & Destructor Documentation

JASCIIFileReader() [1/2]

template<class T >

JROOT::JASCIIFileReader< T >::JASCIIFileReader ( const JRootDictionary &  dictionary = JRootDictionary::getInstance() )

inline

Constructor.

Parameters

dictionary

dictionary

Definition at line 43 of file JASCIIFileStreamer.hh.

                                                                                       :
      reader(static_cast<std::istream&>(*this), JLANG::JEquationParameters(), dictionary)
    {}

JASCIIFileReader() [2/2]

template<class T >

JROOT::JASCIIFileReader< T >::JASCIIFileReader ( const char *const  file_name, const JRootDictionary &  dictionary = JRootDictionary::getInstance()  )

inline

Constructor.

Parameters

file_name	file name
dictionary	dictionary

Definition at line 54 of file JASCIIFileStreamer.hh.

                                                                                       :
      reader(static_cast<std::istream&>(*this), JLANG::JEquationParameters(), dictionary)
    {
      this->open(file_name);
    }

Member Function Documentation

operator>>()

template<class T >

JASCIIFileReader& JROOT::JASCIIFileReader< T >::operator>> ( T &  object )

inline

Read object from this file.

Parameters

object

object

Returns

this input stream

Definition at line 68 of file JASCIIFileStreamer.hh.

    {
      using namespace std;
      using namespace JPP;
 
      if (columns.empty()) {
 
        JRootReadableClass cls(this->object);
 
        string buffer;
 
        if (std::getline(*this, buffer)) {
 
          istringstream is(buffer);
            
          while (is >> buffer) {
            columns.push_back(cls.find(buffer.c_str()));
          }
        }
      }
 
      object = value;
 
      reader.flags(this->flags());
 
      string buffer;
 
      if (std::getline(*this, buffer)) {
 
        istringstream is(buffer);
 
        for (size_t i = 0; i != columns.size() && is >> buffer; ++i) {
 
          if (columns[i].is_valid()) {     
 
            JRedirectString redirect(reader, buffer);
      
            reader.getObject(columns[i]);
          }
        }
 
        object = this->object;
      }
 
      return *this;
    }

Member Data Documentation

object

template<class T >

T JROOT::JASCIIFileReader< T >::object

private

internal value

Definition at line 116 of file JASCIIFileStreamer.hh.

value

template<class T >

T JROOT::JASCIIFileReader< T >::value

private

default value

Definition at line 117 of file JASCIIFileStreamer.hh.

columns

template<class T >

std::vector<JROOT::JRootReadableClass> JROOT::JASCIIFileReader< T >::columns

private

column count -> data member

Definition at line 119 of file JASCIIFileStreamer.hh.

reader

template<class T >

JRootReader JROOT::JASCIIFileReader< T >::reader

private

Definition at line 121 of file JASCIIFileStreamer.hh.

---

The documentation for this struct was generated from the following file:

• JASCIIFileStreamer.hh