src/runtime/PyStdout.cxx

   1 // Copyright (C) 2006-2016  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "PyStdout.hxx"
  21 #include <structmember.h>
  22 #include <string>
  23
  24 namespace YACS
  25 {
  26   namespace ENGINE
  27     {
  28
  29     typedef struct {
  30       PyObject_HEAD
  31       int softspace;
  32       std::string *out;
  33     } PyStdOut;
  34
  35 static void
  36 PyStdOut_dealloc(PyStdOut *self)
  37 {
  38   PyObject_Del(self);
  39 }
  40
  41 static PyObject *
  42 PyStdOut_write(PyStdOut *self, PyObject *args)
  43 {
  44   char *c;
  45   int l;
  46   if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
  47     return NULL;
  48
  49   //std::cerr << c ;
  50   *(self->out)=*(self->out)+std::string(c);
  51
  52   Py_INCREF(Py_None);
  53   return Py_None;
  54 }
  55
  56 static PyMethodDef PyStdOut_methods[] = {
  57   {"write",  (PyCFunction)PyStdOut_write,  METH_VARARGS,
  58     PyDoc_STR("write(string) -> None")},
  59   {NULL,    NULL}   /* sentinel */
  60 };
  61
  62 static PyMemberDef PyStdOut_memberlist[] = {
  63   {(char*)"softspace", T_INT,  offsetof(PyStdOut, softspace), 0,
  64    (char*)"flag indicating that a space needs to be printed; used by print"},
  65   {NULL} /* Sentinel */
  66 };
  67
  68 static PyTypeObject PyStdOut_Type = {
  69   /* The ob_type field must be initialized in the module init function
  70    * to be portable to Windows without using C++. */
  71   PyObject_HEAD_INIT(NULL)
  72   0,      /*ob_size*/
  73   "PyOut",   /*tp_name*/
  74   sizeof(PyStdOut),  /*tp_basicsize*/
  75   0,      /*tp_itemsize*/
  76   /* methods */
  77   (destructor)PyStdOut_dealloc, /*tp_dealloc*/
  78   0,      /*tp_print*/
  79   0, /*tp_getattr*/
  80   0, /*tp_setattr*/
  81   0,      /*tp_compare*/
  82   0,      /*tp_repr*/
  83   0,      /*tp_as_number*/
  84   0,      /*tp_as_sequence*/
  85   0,      /*tp_as_mapping*/
  86   0,      /*tp_hash*/
  87         0,                      /*tp_call*/
  88         0,                      /*tp_str*/
  89         PyObject_GenericGetAttr,                      /*tp_getattro*/
  90         /* softspace is writable:  we must supply tp_setattro */
  91         PyObject_GenericSetAttr,    /* tp_setattro */
  92         0,                      /*tp_as_buffer*/
  93         Py_TPFLAGS_DEFAULT,     /*tp_flags*/
  94         0,                      /*tp_doc*/
  95         0,                      /*tp_traverse*/
  96         0,                      /*tp_clear*/
  97         0,                      /*tp_richcompare*/
  98         0,                      /*tp_weaklistoffset*/
  99         0,                      /*tp_iter*/
 100         0,                      /*tp_iternext*/
 101         PyStdOut_methods,                      /*tp_methods*/
 102         PyStdOut_memberlist,                      /*tp_members*/
 103         0,                      /*tp_getset*/
 104         0,                      /*tp_base*/
 105         0,                      /*tp_dict*/
 106         0,                      /*tp_descr_get*/
 107         0,                      /*tp_descr_set*/
 108         0,                      /*tp_dictoffset*/
 109         0,                      /*tp_init*/
 110         0,                      /*tp_alloc*/
 111         0,                      /*tp_new*/
 112         0,                      /*tp_free*/
 113         0,                      /*tp_is_gc*/
 114 };
 115
 116
 117 #define PyStdOut_Check(v)  ((v)->ob_type == &PyStdOut_Type)
 118
 119 PyObject * newPyStdOut( std::string& out )
 120 {
 121   PyStdOut *self;
 122   self = PyObject_New(PyStdOut, &PyStdOut_Type);
 123   if (self == NULL)
 124     return NULL;
 125   self->softspace = 0;
 126   self->out=&out;
 127   return (PyObject*)self;
 128 }
 129
 130 }
 131 }
 132