_dbus_bindings/float.c

   1 /* Simple D-Bus types: Double and (with appropriate #defines) Float
   2  *
   3  * Copyright (C) 2006 Collabora Ltd.
   4  *
   5  * Licensed under the Academic Free License version 2.1
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #include <Python.h>
  24 #include <structmember.h>
  25
  26 #include <stdint.h>
  27
  28 #include "dbus_bindings-internal.h"
  29 #include "types-internal.h"
  30
  31 PyDoc_STRVAR(Double_tp_doc,
  32 "A double-precision floating point number (a subtype of float).");
  33
  34 #ifdef WITH_DBUS_FLOAT32
  35 PyDoc_STRVAR(Float_tp_doc,
  36 "A single-precision floating point number (a subtype of float).");
  37 #endif
  38
  39 PyTypeObject DBusPyDouble_Type = {
  40     PyObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type))
  41     0,
  42     "dbus.Double",
  43     0,
  44     0,
  45     0,                                      /* tp_dealloc */
  46     0,                                      /* tp_print */
  47     0,                                      /* tp_getattr */
  48     0,                                      /* tp_setattr */
  49     0,                                      /* tp_compare */
  50     0,                                      /* tp_repr */
  51     0,                                      /* tp_as_number */
  52     0,                                      /* tp_as_sequence */
  53     0,                                      /* tp_as_mapping */
  54     0,                                      /* tp_hash */
  55     0,                                      /* tp_call */
  56     0,                                      /* tp_str */
  57     0,                                      /* tp_getattro */
  58     0,                                      /* tp_setattro */
  59     0,                                      /* tp_as_buffer */
  60     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
  61     Double_tp_doc,                          /* tp_doc */
  62     0,                                      /* tp_traverse */
  63     0,                                      /* tp_clear */
  64     0,                                      /* tp_richcompare */
  65     0,                                      /* tp_weaklistoffset */
  66     0,                                      /* tp_iter */
  67     0,                                      /* tp_iternext */
  68     0,                                      /* tp_methods */
  69     0,                                      /* tp_members */
  70     0,                                      /* tp_getset */
  71     DEFERRED_ADDRESS(&DBusPythonFloatType), /* tp_base */
  72     0,                                      /* tp_dict */
  73     0,                                      /* tp_descr_get */
  74     0,                                      /* tp_descr_set */
  75     0,                                      /* tp_dictoffset */
  76     0,                                      /* tp_init */
  77     0,                                      /* tp_alloc */
  78     0,                                      /* tp_new */
  79 };
  80
  81 #ifdef WITH_DBUS_FLOAT32
  82
  83 PyTypeObject DBusPyFloat_Type = {
  84     PyObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type))
  85     0,
  86     "dbus.Float",
  87     0,
  88     0,
  89     0,                                      /* tp_dealloc */
  90     0,                                      /* tp_print */
  91     0,                                      /* tp_getattr */
  92     0,                                      /* tp_setattr */
  93     0,                                      /* tp_compare */
  94     0,                                      /* tp_repr */
  95     0,                                      /* tp_as_number */
  96     0,                                      /* tp_as_sequence */
  97     0,                                      /* tp_as_mapping */
  98     0,                                      /* tp_hash */
  99     0,                                      /* tp_call */
 100     0,                                      /* tp_str */
 101     0,                                      /* tp_getattro */
 102     0,                                      /* tp_setattro */
 103     0,                                      /* tp_as_buffer */
 104     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
 105     Float_tp_doc,                           /* tp_doc */
 106     0,                                      /* tp_traverse */
 107     0,                                      /* tp_clear */
 108     0,                                      /* tp_richcompare */
 109     0,                                      /* tp_weaklistoffset */
 110     0,                                      /* tp_iter */
 111     0,                                      /* tp_iternext */
 112     0,                                      /* tp_methods */
 113     0,                                      /* tp_members */
 114     0,                                      /* tp_getset */
 115     DEFERRED_ADDRESS(&DBusPythonFloatType), /* tp_base */
 116     0,                                      /* tp_dict */
 117     0,                                      /* tp_descr_get */
 118     0,                                      /* tp_descr_set */
 119     0,                                      /* tp_dictoffset */
 120     0,                                      /* tp_init */
 121     0,                                      /* tp_alloc */
 122     0,                                      /* tp_new */
 123 };
 124 #endif /* defined(WITH_DBUS_FLOAT32) */
 125
 126 dbus_bool_t
 127 dbus_py_init_float_types(void)
 128 {
 129     DBusPyDouble_Type.tp_base = &DBusPyFloatBase_Type;
 130     if (PyType_Ready(&DBusPyDouble_Type) < 0) return 0;
 131     DBusPyDouble_Type.tp_print = NULL;
 132
 133 #ifdef WITH_DBUS_FLOAT32
 134     DBusPyFloat_Type.tp_base = &DBusPyFloatBase_Type;
 135     if (PyType_Ready(&DBusPyFloat_Type) < 0) return 0;
 136     DBusPyFloat_Type.tp_print = NULL;
 137 #endif
 138
 139     return 1;
 140 }
 141
 142 dbus_bool_t
 143 dbus_py_insert_float_types(PyObject *this_module)
 144 {
 145     Py_INCREF(&DBusPyDouble_Type);
 146     if (PyModule_AddObject(this_module, "Double",
 147                            (PyObject *)&DBusPyDouble_Type) < 0) return 0;
 148 #ifdef WITH_DBUS_FLOAT32
 149     Py_INCREF(&DBusPyFloat_Type);
 150     if (PyModule_AddObject(this_module, "Float",
 151                            (PyObject *)&DBusPyFloat_Type) < 0) return 0;
 152 #endif
 153
 154     return 1;
 155 }