_dbus_bindings/float.c

   1 /* Simple D-Bus types: Double and (with appropriate #defines) Float
   2  *
   3  * Copyright (C) 2006 Collabora Ltd. <http://www.collabora.co.uk/>
   4  *
   5  * Permission is hereby granted, free of charge, to any person
   6  * obtaining a copy of this software and associated documentation
   7  * files (the "Software"), to deal in the Software without
   8  * restriction, including without limitation the rights to use, copy,
   9  * modify, merge, publish, distribute, sublicense, and/or sell copies
  10  * of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be
  14  * included in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  20  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include <Python.h>
  27 #include <structmember.h>
  28
  29 #include "dbus_bindings-internal.h"
  30 #include "types-internal.h"
  31
  32 PyDoc_STRVAR(Double_tp_doc,
  33 "A double-precision floating point number (a subtype of float).");
  34
  35 #ifdef WITH_DBUS_FLOAT32
  36 PyDoc_STRVAR(Float_tp_doc,
  37 "A single-precision floating point number (a subtype of float).");
  38 #endif
  39
  40 PyTypeObject DBusPyDouble_Type = {
  41     PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 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     PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0)
  85     "dbus.Float",
  86     0,
  87     0,
  88     0,                                      /* tp_dealloc */
  89     0,                                      /* tp_print */
  90     0,                                      /* tp_getattr */
  91     0,                                      /* tp_setattr */
  92     0,                                      /* tp_compare */
  93     0,                                      /* tp_repr */
  94     0,                                      /* tp_as_number */
  95     0,                                      /* tp_as_sequence */
  96     0,                                      /* tp_as_mapping */
  97     0,                                      /* tp_hash */
  98     0,                                      /* tp_call */
  99     0,                                      /* tp_str */
 100     0,                                      /* tp_getattro */
 101     0,                                      /* tp_setattro */
 102     0,                                      /* tp_as_buffer */
 103     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
 104     Float_tp_doc,                           /* tp_doc */
 105     0,                                      /* tp_traverse */
 106     0,                                      /* tp_clear */
 107     0,                                      /* tp_richcompare */
 108     0,                                      /* tp_weaklistoffset */
 109     0,                                      /* tp_iter */
 110     0,                                      /* tp_iternext */
 111     0,                                      /* tp_methods */
 112     0,                                      /* tp_members */
 113     0,                                      /* tp_getset */
 114     DEFERRED_ADDRESS(&DBusPythonFloatType), /* tp_base */
 115     0,                                      /* tp_dict */
 116     0,                                      /* tp_descr_get */
 117     0,                                      /* tp_descr_set */
 118     0,                                      /* tp_dictoffset */
 119     0,                                      /* tp_init */
 120     0,                                      /* tp_alloc */
 121     0,                                      /* tp_new */
 122 };
 123 #endif /* defined(WITH_DBUS_FLOAT32) */
 124
 125 dbus_bool_t
 126 dbus_py_init_float_types(void)
 127 {
 128     DBusPyDouble_Type.tp_base = &DBusPyFloatBase_Type;
 129     if (PyType_Ready(&DBusPyDouble_Type) < 0) return 0;
 130     DBusPyDouble_Type.tp_print = NULL;
 131
 132 #ifdef WITH_DBUS_FLOAT32
 133     DBusPyFloat_Type.tp_base = &DBusPyFloatBase_Type;
 134     if (PyType_Ready(&DBusPyFloat_Type) < 0) return 0;
 135     DBusPyFloat_Type.tp_print = NULL;
 136 #endif
 137
 138     return 1;
 139 }
 140
 141 dbus_bool_t
 142 dbus_py_insert_float_types(PyObject *this_module)
 143 {
 144     /* PyModule_AddObject steals a ref */
 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 }