_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  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  *
  23  */
  24
  25 #include <Python.h>
  26 #include <structmember.h>
  27
  28 #include <stdint.h>
  29
  30 #include "dbus_bindings-internal.h"
  31 #include "types-internal.h"
  32
  33 PyDoc_STRVAR(Double_tp_doc,
  34 "A double-precision floating point number (a subtype of float).");
  35
  36 #ifdef WITH_DBUS_FLOAT32
  37 PyDoc_STRVAR(Float_tp_doc,
  38 "A single-precision floating point number (a subtype of float).");
  39 #endif
  40
  41 PyTypeObject DBusPyDouble_Type = {
  42     PyObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type))
  43     0,
  44     "dbus.Double",
  45     0,
  46     0,
  47     0,                                      /* tp_dealloc */
  48     0,                                      /* tp_print */
  49     0,                                      /* tp_getattr */
  50     0,                                      /* tp_setattr */
  51     0,                                      /* tp_compare */
  52     0,                                      /* tp_repr */
  53     0,                                      /* tp_as_number */
  54     0,                                      /* tp_as_sequence */
  55     0,                                      /* tp_as_mapping */
  56     0,                                      /* tp_hash */
  57     0,                                      /* tp_call */
  58     0,                                      /* tp_str */
  59     0,                                      /* tp_getattro */
  60     0,                                      /* tp_setattro */
  61     0,                                      /* tp_as_buffer */
  62     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
  63     Double_tp_doc,                          /* tp_doc */
  64     0,                                      /* tp_traverse */
  65     0,                                      /* tp_clear */
  66     0,                                      /* tp_richcompare */
  67     0,                                      /* tp_weaklistoffset */
  68     0,                                      /* tp_iter */
  69     0,                                      /* tp_iternext */
  70     0,                                      /* tp_methods */
  71     0,                                      /* tp_members */
  72     0,                                      /* tp_getset */
  73     DEFERRED_ADDRESS(&DBusPythonFloatType), /* tp_base */
  74     0,                                      /* tp_dict */
  75     0,                                      /* tp_descr_get */
  76     0,                                      /* tp_descr_set */
  77     0,                                      /* tp_dictoffset */
  78     0,                                      /* tp_init */
  79     0,                                      /* tp_alloc */
  80     0,                                      /* tp_new */
  81 };
  82
  83 #ifdef WITH_DBUS_FLOAT32
  84
  85 PyTypeObject DBusPyFloat_Type = {
  86     PyObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type))
  87     0,
  88     "dbus.Float",
  89     0,
  90     0,
  91     0,                                      /* tp_dealloc */
  92     0,                                      /* tp_print */
  93     0,                                      /* tp_getattr */
  94     0,                                      /* tp_setattr */
  95     0,                                      /* tp_compare */
  96     0,                                      /* tp_repr */
  97     0,                                      /* tp_as_number */
  98     0,                                      /* tp_as_sequence */
  99     0,                                      /* tp_as_mapping */
 100     0,                                      /* tp_hash */
 101     0,                                      /* tp_call */
 102     0,                                      /* tp_str */
 103     0,                                      /* tp_getattro */
 104     0,                                      /* tp_setattro */
 105     0,                                      /* tp_as_buffer */
 106     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
 107     Float_tp_doc,                           /* tp_doc */
 108     0,                                      /* tp_traverse */
 109     0,                                      /* tp_clear */
 110     0,                                      /* tp_richcompare */
 111     0,                                      /* tp_weaklistoffset */
 112     0,                                      /* tp_iter */
 113     0,                                      /* tp_iternext */
 114     0,                                      /* tp_methods */
 115     0,                                      /* tp_members */
 116     0,                                      /* tp_getset */
 117     DEFERRED_ADDRESS(&DBusPythonFloatType), /* tp_base */
 118     0,                                      /* tp_dict */
 119     0,                                      /* tp_descr_get */
 120     0,                                      /* tp_descr_set */
 121     0,                                      /* tp_dictoffset */
 122     0,                                      /* tp_init */
 123     0,                                      /* tp_alloc */
 124     0,                                      /* tp_new */
 125 };
 126 #endif /* defined(WITH_DBUS_FLOAT32) */
 127
 128 dbus_bool_t
 129 dbus_py_init_float_types(void)
 130 {
 131     DBusPyDouble_Type.tp_base = &DBusPyFloatBase_Type;
 132     if (PyType_Ready(&DBusPyDouble_Type) < 0) return 0;
 133     DBusPyDouble_Type.tp_print = NULL;
 134
 135 #ifdef WITH_DBUS_FLOAT32
 136     DBusPyFloat_Type.tp_base = &DBusPyFloatBase_Type;
 137     if (PyType_Ready(&DBusPyFloat_Type) < 0) return 0;
 138     DBusPyFloat_Type.tp_print = NULL;
 139 #endif
 140
 141     return 1;
 142 }
 143
 144 dbus_bool_t
 145 dbus_py_insert_float_types(PyObject *this_module)
 146 {
 147     Py_INCREF(&DBusPyDouble_Type);
 148     if (PyModule_AddObject(this_module, "Double",
 149                            (PyObject *)&DBusPyDouble_Type) < 0) return 0;
 150 #ifdef WITH_DBUS_FLOAT32
 151     Py_INCREF(&DBusPyFloat_Type);
 152     if (PyModule_AddObject(this_module, "Float",
 153                            (PyObject *)&DBusPyFloat_Type) < 0) return 0;
 154 #endif
 155
 156     return 1;
 157 }