Move to kernel style SPDX license identifiers
[babeltrace.git] / src / bindings / python / bt2 / bt2 / native_bt_message_iterator.i
index 47bd3a9b65413c019816a46fb2a6fdd317984d38..531274ecfae3cdbf4fe49758e0f447aa3cc1c91b 100644 (file)
 /*
- * The MIT License (MIT)
+ * SPDX-License-Identifier: MIT
  *
  * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
  */
 
-%include <babeltrace2/graph/message-iterator-const.h>
-%include <babeltrace2/graph/port-output-message-iterator.h>
-%include <babeltrace2/graph/self-component-port-input-message-iterator.h>
-%include <babeltrace2/graph/self-message-iterator.h>
-
-/* Helper functions for Python */
-%{
-static PyObject *bt_py3_get_user_component_from_user_msg_iter(
-               bt_self_message_iterator *self_message_iterator)
-{
-       bt_self_component *self_component = bt_self_message_iterator_borrow_component(self_message_iterator);
-       PyObject *py_comp;
-
-       BT_ASSERT(self_component);
-       py_comp = bt_self_component_get_data(self_component);
-       BT_ASSERT(py_comp);
-
-       /* Return new reference */
-       Py_INCREF(py_comp);
-       return py_comp;
+/* Output argument typemap for message_iterator (always appends) */
+%typemap(in, numinputs=0)
+       (bt_message_iterator **)
+       (bt_message_iterator *temp_msg_iter = NULL) {
+       $1 = &temp_msg_iter;
 }
 
-static inline
-PyObject *create_pylist_from_messages(bt_message_array_const messages,
-               uint64_t message_count)
-{
-       uint64_t i;
-       PyObject *py_msg_list = PyList_New(message_count);
-       BT_ASSERT(py_msg_list);
-       for (i = 0; i < message_count; i++) {
-               PyList_SET_ITEM(py_msg_list, i,
-                               SWIG_NewPointerObj(SWIG_as_voidptr(messages[i]),
-                                       SWIGTYPE_p_bt_message, 0));
+%typemap(argout)
+       (bt_message_iterator **) {
+       if (*$1) {
+               /* SWIG_Python_AppendOutput() steals the created object */
+               $result = SWIG_Python_AppendOutput($result,
+                               SWIG_NewPointerObj(SWIG_as_voidptr(*$1),
+                                       SWIGTYPE_p_bt_message_iterator, 0));
+       } else {
+               /* SWIG_Python_AppendOutput() steals Py_None */
+               Py_INCREF(Py_None);
+               $result = SWIG_Python_AppendOutput($result, Py_None);
        }
-
-       return py_msg_list;
 }
 
-static
-PyObject *bt_py3_get_msg_range_common(bt_message_iterator_status status,
-               bt_message_array_const messages, uint64_t message_count)
-{
-       PyObject *py_status;
-       PyObject *py_return_tuple;
-       PyObject *py_msg_list = Py_None;
-       
-       py_status = SWIG_From_long_SS_long(status);
-       if (status != BT_MESSAGE_ITERATOR_STATUS_OK) {
-               goto end;
-       }
-
-       py_msg_list = create_pylist_from_messages(messages, message_count);
-
-end:
-       py_return_tuple = PyTuple_New(2);
-       BT_ASSERT(py_return_tuple);
-       PyTuple_SET_ITEM(py_return_tuple, 0, py_status);
-       PyTuple_SET_ITEM(py_return_tuple, 1, py_msg_list);
-
-       return py_return_tuple;
-}
-
-static PyObject
-*bt_py3_self_component_port_input_get_msg_range(
-               bt_self_component_port_input_message_iterator *iter)
-{
-       bt_message_array_const messages;
-       uint64_t message_count = 0;
-       bt_message_iterator_status status;
-
-       status = bt_self_component_port_input_message_iterator_next(iter, &messages,
-                               &message_count);
-       
-       return bt_py3_get_msg_range_common(status, messages, message_count);
-}
-
-static PyObject
-*bt_py3_port_output_get_msg_range(
-               bt_port_output_message_iterator *iter)
-{
-       bt_message_array_const messages;
-       uint64_t message_count = 0;
-       bt_message_iterator_status status;
+%include <babeltrace2/graph/message-iterator.h>
+%include <babeltrace2/graph/self-message-iterator.h>
 
-       status =
-               bt_port_output_message_iterator_next(iter, &messages,
-                               &message_count);
-       
-       return bt_py3_get_msg_range_common(status, messages, message_count);
-}
+/* Helper functions for Python */
+%{
+#include "native_bt_message_iterator.i.h"
 %}
 
-PyObject *bt_py3_get_user_component_from_user_msg_iter(
-    bt_self_message_iterator *self_message_iterator);
-PyObject *bt_py3_self_component_port_input_get_msg_range(
-               bt_self_component_port_input_message_iterator *iter);
-PyObject *bt_py3_port_output_get_msg_range(
-               bt_port_output_message_iterator *iter);
+bt_message_iterator_create_from_message_iterator_status
+bt_bt2_message_iterator_create_from_message_iterator(
+               bt_self_message_iterator *self_msg_iter,
+               bt_self_component_port_input *input_port,
+               bt_message_iterator **message_iterator);
+bt_message_iterator_create_from_sink_component_status
+bt_bt2_message_iterator_create_from_sink_component(
+               bt_self_component_sink *self_comp,
+               bt_self_component_port_input *input_port,
+               bt_message_iterator **message_iterator);
+PyObject *bt_bt2_get_user_component_from_user_msg_iter(
+               bt_self_message_iterator *self_message_iterator);
+PyObject *bt_bt2_self_component_port_input_get_msg_range(
+               bt_message_iterator *iter);
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