lib: make message iterator creation functions return a status
[babeltrace.git] / src / bindings / python / bt2 / bt2 / native_bt_message_iterator.i
1 /*
2 * The MIT License (MIT)
3 *
4 * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies 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 included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 /* Output argument typemap for message_iterator (always appends) */
26 %typemap(in, numinputs=0)
27 (bt_self_component_port_input_message_iterator **)
28 (bt_self_component_port_input_message_iterator *temp_msg_iter = NULL) {
29 $1 = &temp_msg_iter;
30 }
31
32 %typemap(argout)
33 (bt_self_component_port_input_message_iterator **) {
34 if (*$1) {
35 /* SWIG_Python_AppendOutput() steals the created object */
36 $result = SWIG_Python_AppendOutput($result,
37 SWIG_NewPointerObj(SWIG_as_voidptr(*$1),
38 SWIGTYPE_p_bt_self_component_port_input_message_iterator, 0));
39 } else {
40 /* SWIG_Python_AppendOutput() steals Py_None */
41 Py_INCREF(Py_None);
42 $result = SWIG_Python_AppendOutput($result, Py_None);
43 }
44 }
45
46 %include <babeltrace2/graph/message-iterator.h>
47 %include <babeltrace2/graph/self-component-port-input-message-iterator.h>
48 %include <babeltrace2/graph/self-message-iterator.h>
49
50 /* Helper functions for Python */
51 %{
52 #include "native_bt_message_iterator.i.h"
53 %}
54
55 bt_self_component_port_input_message_iterator_create_from_message_iterator_status
56 bt_bt2_self_component_port_input_message_iterator_create_from_message_iterator(
57 bt_self_message_iterator *self_msg_iter,
58 bt_self_component_port_input *input_port,
59 bt_self_component_port_input_message_iterator **message_iterator);
60 bt_self_component_port_input_message_iterator_create_from_sink_component_status
61 bt_bt2_self_component_port_input_message_iterator_create_from_sink_component(
62 bt_self_component_sink *self_comp,
63 bt_self_component_port_input *input_port,
64 bt_self_component_port_input_message_iterator **message_iterator);
65 PyObject *bt_bt2_get_user_component_from_user_msg_iter(
66 bt_self_message_iterator *self_message_iterator);
67 PyObject *bt_bt2_self_component_port_input_get_msg_range(
68 bt_self_component_port_input_message_iterator *iter);
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