TPyBufferFactory.cxx File Reference

#include "PyROOT.h"
#include "TPyBufferFactory.h"
#include <map>

Include dependency graph for TPyBufferFactory.cxx:

Macros
#define	PYROOT_IMPLEMENT_PYBUFFER_FROM_MEMORY(name, type)
#define	PYROOT_IMPLEMENT_PYBUFFER_METHODS(name, type, stype, F1, F2)
#define	PYROOT_INSTALL_PYBUFFER_METHODS(name, type)
#define	PYROOT_PREPARE_PYBUFFER_TYPE(name)

Macro Definition Documentation

PYROOT_IMPLEMENT_PYBUFFER_FROM_MEMORY

#define PYROOT_IMPLEMENT_PYBUFFER_FROM_MEMORY	(		name,
			type
	)

Value:

PyObject* PyROOT::TPyBufferFactory::PyBuffer_FromMemory( type* address, Py_ssize_t size )\
{                                                                               \
   size = size < 0 ? INT_MAX : size;                                            \
   PyObject* buf = PyBuffer_FromReadWriteMemory( (void*)address, size );        \
   if ( buf ) {                                                                 \
      Py_INCREF( (PyObject*)(void*)&Py##name##Buffer_Type );                    \
      buf->ob_type = &Py##name##Buffer_Type;                                    \
   }                                                                            \
   return buf;                                                                  \
}                                                                               \
                                                                                \
PyObject* PyROOT::TPyBufferFactory::PyBuffer_FromMemory( type* address, PyObject* scb )\
{                                                                               \
   PyObject* buf = PyBuffer_FromMemory( address, Py_ssize_t(0) );               \
   if ( buf != 0 && PyCallable_Check( scb ) ) {                                 \
      Py_INCREF( scb );                                                         \
      gSizeCallbacks[ buf ] = scb;                                              \
   }                                                                            \
   return buf;                                                                  \
}

Definition at line 297 of file TPyBufferFactory.cxx.

PYROOT_IMPLEMENT_PYBUFFER_METHODS

#define PYROOT_IMPLEMENT_PYBUFFER_METHODS	(		name,
			type,
			stype,
			F1,
			F2
	)

Definition at line 121 of file TPyBufferFactory.cxx.

PYROOT_INSTALL_PYBUFFER_METHODS

#define PYROOT_INSTALL_PYBUFFER_METHODS	(		name,
			type
	)

Value:

Py##name##Buffer_Type.tp_name            = (char*)"ROOT.Py"#name"Buffer";    \
   Py##name##Buffer_Type.tp_base            = &PyBuffer_Type;                   \
   Py##name##Buffer_Type.tp_as_buffer       = PyBuffer_Type.tp_as_buffer;       \
   Py##name##Buffer_SeqMethods.sq_item      = (ssizeargfunc)name##_buffer_item; \
   Py##name##Buffer_SeqMethods.sq_ass_item  = (ssizeobjargproc)name##_buffer_ass_item;\
   Py##name##Buffer_SeqMethods.sq_length    = (lenfunc)buffer_length;           \
   Py##name##Buffer_Type.tp_as_sequence     = &Py##name##Buffer_SeqMethods;     \
   if ( PyBuffer_Type.tp_as_mapping ) { /* p2.6 and later */                    \
      Py##name##Buffer_MapMethods.mp_length    = (lenfunc)buffer_length;        \
      Py##name##Buffer_MapMethods.mp_subscript = (binaryfunc)name##_buffer_subscript;\
      Py##name##Buffer_MapMethods.mp_ass_subscript = (objobjargproc)pyroot_buffer_ass_subscript;\
      Py##name##Buffer_Type.tp_as_mapping      = &Py##name##Buffer_MapMethods;  \
   }                                                                            \
   Py##name##Buffer_Type.tp_str             = (reprfunc)name##_buffer_str;      \
   Py##name##Buffer_Type.tp_methods         = buffer_methods;                   \
   Py##name##Buffer_Type.tp_getset          = buffer_getset;                    \
   PyType_Ready( &Py##name##Buffer_Type );

Definition at line 256 of file TPyBufferFactory.cxx.

PYROOT_PREPARE_PYBUFFER_TYPE

#define PYROOT_PREPARE_PYBUFFER_TYPE

(

name

)

Value:

PyTypeObject      Py##name##Buffer_Type;                                  \
   PySequenceMethods Py##name##Buffer_SeqMethods = *(PyBuffer_Type.tp_as_sequence);\
   PyMappingMethods  Py##name##Buffer_MapMethods;

Definition at line 46 of file TPyBufferFactory.cxx.