src/bindings/python/bt2/bt2/native_bt_field_class.i

   1 /*
   2  * The MIT License (MIT)
   3  *
   4  * Copyright (c) 2016 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 /* Parameter names seem to be required for multi-argument typemaps to match. */
  26 %typemap(in, numinputs=0)
  27         (bt_field_class_enumeration_mapping_label_array *labels, uint64_t *count)
  28         (bt_field_class_enumeration_mapping_label_array temp_array, uint64_t temp_label_count = 0) {
  29         $1 = &temp_array;
  30         $2 = &temp_label_count;
  31 }
  32
  33 %typemap(argout)
  34         (bt_field_class_enumeration_mapping_label_array *labels, uint64_t *count) {
  35         if (*$1) {
  36                 PyObject *py_label_list = PyList_New(*$2);
  37                 uint64_t i;
  38
  39                 for (i = 0; i < *$2; i++) {
  40                         PyList_SET_ITEM(py_label_list, i, PyUnicode_FromString((*$1)[i]));
  41                 }
  42
  43                 $result = SWIG_Python_AppendOutput($result, py_label_list);
  44         } else {
  45                 Py_INCREF(Py_None);
  46                 $result = SWIG_Python_AppendOutput($result, Py_None);
  47         }
  48 }
  49
  50 %include <babeltrace2/trace-ir/field-class.h>