2 * This file is part of the sigrok project.
4 * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
5 * Copyright (C) 2011 Bert Vermeulen <bert@biot.com>
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 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "sigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
22 #include "sigrokdecode-internal.h"
27 * Get the value of a python object's attribute, returned as a newly
30 * @param py_obj The object to probe.
31 * @param attr Name of the attribute to retrieve.
32 * @param outstr ptr to char * storage to be filled in.
34 * @return SRD_OK upon success, a (negative) error code otherwise.
35 * The 'outstr' argument points to a malloc()ed string upon success.
37 int py_attr_as_str(PyObject *py_obj, const char *attr, char **outstr)
42 if (!PyObject_HasAttrString(py_obj, attr)) {
43 srd_dbg("object has no attribute '%s'", attr);
44 return SRD_ERR_PYTHON;
47 if (!(py_str = PyObject_GetAttrString(py_obj, attr))) {
48 /* TODO: report exception message/traceback to err/dbg */
50 return SRD_ERR_PYTHON;
53 ret = py_str_as_str(py_str, outstr);
61 * Get the value of a python unicode string object, returned as a newly
64 * @param py_str The unicode string object.
65 * @param outstr ptr to char * storage to be filled in.
67 * @return SRD_OK upon success, a (negative) error code otherwise.
68 * The 'outstr' argument points to a malloc()ed string upon success.
70 int py_str_as_str(PyObject *py_str, char **outstr)
80 if (!PyUnicode_Check(py_str)) {
81 srd_dbg("not a string object");
86 if (!(py_encstr = PyUnicode_AsEncodedString(py_str, "utf-8", NULL))) {
90 if (!(str = PyBytes_AS_STRING(py_encstr))) {
95 if (!(*outstr = g_strdup(str))) {
96 srd_dbg("malloc failed");
103 Py_XDECREF(py_encstr);
105 if (PyErr_Occurred()) {
106 srd_dbg("string conversion failed");
107 /* TODO: dump exception to srd_dbg */
116 * Convert a python list of unicode strings to a NULL-terminated UTF8-encoded
117 * char * array. The caller must free each string when finished.
119 * @param py_strlist The list object.
120 * @param outstr ptr to char ** storage to be filled in.
122 * @return SRD_OK upon success, a (negative) error code otherwise.
123 * The 'outstr' argument points to a malloc()ed char ** upon success.
125 int py_strlist_to_char(PyObject *py_strlist, char ***outstr)
131 list_len = PyList_Size(py_strlist);
132 if (!(out = g_try_malloc(sizeof(char *) * (list_len + 1))))
133 return SRD_ERR_MALLOC;
134 for (i = 0; i < list_len; i++) {
135 if (!(py_str = PyUnicode_AsEncodedString(
136 PyList_GetItem(py_strlist, i), "utf-8", NULL)))
137 return SRD_ERR_PYTHON;
138 if (!(str = PyBytes_AS_STRING(py_str)))
139 return SRD_ERR_PYTHON;
140 out[i] = g_strdup(str);