dfe::NamedTupleNumpyWriter< NamedTuple > Class Template Reference

#include <acts/blob/sPHENIX/thirdparty/dfelibs/dfe/dfe_io_numpy.hpp>

Collaboration diagram for dfe::NamedTupleNumpyWriter< NamedTuple >:

Public Member Functions
	NamedTupleNumpyWriter ()=delete
	NamedTupleNumpyWriter (const NamedTupleNumpyWriter &)=delete
	NamedTupleNumpyWriter (NamedTupleNumpyWriter &&)=default
	~NamedTupleNumpyWriter ()
NamedTupleNumpyWriter &	operator= (const NamedTupleNumpyWriter &)=delete
NamedTupleNumpyWriter &	operator= (NamedTupleNumpyWriter &&)=default
	NamedTupleNumpyWriter (const std::string &path)
	Create a npy file at the given path. Overwrites existing data.
void	append (const NamedTuple &record)
	Append a record to the end of the file.

Private Types
using	Tuple = typename NamedTuple::Tuple

Private Member Functions
void	write_header (std::size_t num_tuples)
template<std::size_t... I>
void	write_record (const NamedTuple &record, std::index_sequence< I...>)
template<typename T >
void	write_bytes (const T *ptr)

Private Attributes
std::ofstream	m_file
std::size_t	m_fixed_header_length
std::size_t	m_num_tuples

Detailed Description

template<typename NamedTuple>
class dfe::NamedTupleNumpyWriter< NamedTuple >

Write records into a binary NumPy-compatible .npy file.

See https://docs.scipy.org/doc/numpy/reference/generated/numpy.lib.format.html for an explanation of the file format.

Definition at line 44 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 44 of file dfe_io_numpy.hpp

Member Typedef Documentation

template<typename NamedTuple >

using dfe::NamedTupleNumpyWriter< NamedTuple >::Tuple = typename NamedTuple::Tuple

private

Definition at line 61 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 61 of file dfe_io_numpy.hpp

Constructor & Destructor Documentation

template<typename NamedTuple >

dfe::NamedTupleNumpyWriter< NamedTuple >::NamedTupleNumpyWriter ( )

delete

template<typename NamedTuple >

dfe::NamedTupleNumpyWriter< NamedTuple >::NamedTupleNumpyWriter ( const NamedTupleNumpyWriter< NamedTuple > &  )

delete

template<typename NamedTuple >

dfe::NamedTupleNumpyWriter< NamedTuple >::NamedTupleNumpyWriter ( NamedTupleNumpyWriter< NamedTuple > &&  )

default

template<typename NamedTuple >

dfe::NamedTupleNumpyWriter< NamedTuple >::~NamedTupleNumpyWriter ( )

inline

Definition at line 169 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 169 of file dfe_io_numpy.hpp

template<typename NamedTuple >

dfe::NamedTupleNumpyWriter< NamedTuple >::NamedTupleNumpyWriter ( const std::string &  path )

inline

Create a npy file at the given path. Overwrites existing data.

Definition at line 154 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 154 of file dfe_io_numpy.hpp

References dfe::NamedTupleNumpyWriter< NamedTuple >::m_file, and dfe::NamedTupleNumpyWriter< NamedTuple >::write_header().

Here is the call graph for this function:

Member Function Documentation

template<typename NamedTuple >

void dfe::NamedTupleNumpyWriter< NamedTuple >::append ( const NamedTuple &  record )

inline

Append a record to the end of the file.

Definition at line 179 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 179 of file dfe_io_numpy.hpp

References value.

template<typename NamedTuple >

NamedTupleNumpyWriter& dfe::NamedTupleNumpyWriter< NamedTuple >::operator= ( const NamedTupleNumpyWriter< NamedTuple > &  )

delete

template<typename NamedTuple >

NamedTupleNumpyWriter& dfe::NamedTupleNumpyWriter< NamedTuple >::operator= ( NamedTupleNumpyWriter< NamedTuple > &&  )

default

template<typename NamedTuple >

template<typename T >

void dfe::NamedTupleNumpyWriter< NamedTuple >::write_bytes ( const T *  ptr )

inlineprivate

Definition at line 241 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 241 of file dfe_io_numpy.hpp

References T.

template<typename NamedTuple >

void dfe::NamedTupleNumpyWriter< NamedTuple >::write_header ( std::size_t  num_tuples )

inlineprivate

Definition at line 187 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 187 of file dfe_io_numpy.hpp

References dfe::io_npy_impl::dtypes_description(), and nlohmann::to_string().

Referenced by dfe::NamedTupleNumpyWriter< NamedTuple >::NamedTupleNumpyWriter().

Here is the call graph for this function:

Here is the caller graph for this function:

template<typename NamedTuple >

template<std::size_t... I>

void dfe::NamedTupleNumpyWriter< NamedTuple >::write_record ( const NamedTuple &  record, std::index_sequence< I...>    )

inlineprivate

Definition at line 230 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 230 of file dfe_io_numpy.hpp

References nlohmann::detail::get(), and nlohmann::detail::void().

Here is the call graph for this function:

Member Data Documentation

template<typename NamedTuple >

std::ofstream dfe::NamedTupleNumpyWriter< NamedTuple >::m_file

private

Definition at line 63 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 63 of file dfe_io_numpy.hpp

Referenced by dfe::NamedTupleNumpyWriter< NamedTuple >::NamedTupleNumpyWriter().

template<typename NamedTuple >

std::size_t dfe::NamedTupleNumpyWriter< NamedTuple >::m_fixed_header_length

private

Definition at line 64 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 64 of file dfe_io_numpy.hpp

template<typename NamedTuple >

std::size_t dfe::NamedTupleNumpyWriter< NamedTuple >::m_num_tuples

private

Definition at line 65 of file dfe_io_numpy.hpp.

View newest version in sPHENIX GitHub at line 65 of file dfe_io_numpy.hpp

---

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

• acts/blob/sPHENIX/thirdparty/dfelibs/dfe/dfe_io_numpy.hpp