]> sigrok.org Git - libsigrokdecode.git/blobdiff - module_sigrokdecode.c
srd: use more appropriate calls for integer constants
[libsigrokdecode.git] / module_sigrokdecode.c
index a3872ab53a260d92efa65fdff17e8cb25a44df69..30ea6471615b900a443bf0223adb18c584aca878 100644 (file)
 #include "sigrokdecode-internal.h"
 #include "config.h"
 
-/* lives in type_logic.c */
-extern PyTypeObject srd_logic_type;
-
-
-static int convert_pyobj(struct srd_decoder_instance *di, PyObject *obj,
-               int *ann_format, char ***ann)
-{
-       PyObject *py_tmp;
-       struct srd_pd_output *pdo;
-       int ann_id;
-
-       /* Should be a list of [annotation format, [string, ...]] */
-       if (!PyList_Check(obj) && !PyTuple_Check(obj)) {
-               srd_err("Protocol decoder %s submitted %s instead of list",
-                               di->decoder->name, obj->ob_type->tp_name);
-               return SRD_ERR_PYTHON;
-       }
-
-       /* Should have 2 elements... */
-       if (PyList_Size(obj) != 2) {
-               srd_err("Protocol decoder %s submitted annotation list with %d elements instead of 2",
-                               di->decoder->name, PyList_Size(obj));
-               return SRD_ERR_PYTHON;
-       }
-
-       /* First element should be an integer matching a previously
-        * registered annotation format. */
-       py_tmp = PyList_GetItem(obj, 0);
-       if (!PyLong_Check(py_tmp)) {
-               srd_err("Protocol decoder %s submitted annotation list, but first element was not an integer",
-                               di->decoder->name);
-               return SRD_ERR_PYTHON;
-       }
-
-       ann_id = PyLong_AsLong(py_tmp);
-       if (!(pdo = g_slist_nth_data(di->decoder->annotation, ann_id))) {
-               srd_err("Protocol decoder %s submitted data to non-existent annotation format %d",
-                               di->decoder->name, ann_id);
-               return SRD_ERR_PYTHON;
-       }
-       *ann_format = ann_id;
-
-       /* Second element must be a list */
-       py_tmp = PyList_GetItem(obj, 1);
-       if (!PyList_Check(py_tmp)) {
-               srd_err("Protocol decoder %s submitted annotation list, but second element was not a list",
-                               di->decoder->name);
-               return SRD_ERR_PYTHON;
-       }
-       if (py_strlist_to_char(py_tmp, ann) != SRD_OK) {
-               srd_err("Protocol decoder %s submitted annotation list, but second element was malformed",
-                               di->decoder->name);
-               return SRD_ERR_PYTHON;
-       }
-
-       return SRD_OK;
-}
-
-static PyObject *Decoder_put(PyObject *self, PyObject *args)
-{
-       GSList *l;
-       PyObject *data, *py_res;
-       struct srd_decoder_instance *di, *next_di;
-       struct srd_pd_output *pdo;
-       struct srd_proto_data *pdata;
-       uint64_t start_sample, end_sample;
-       int output_id;
-       void (*cb)();
-
-       if (!(di = get_di_by_decobject(self)))
-               return NULL;
-
-       if (!PyArg_ParseTuple(args, "KKiO", &start_sample, &end_sample, &output_id, &data))
-               return NULL;
-
-       if (!(l = g_slist_nth(di->pd_output, output_id))) {
-               srd_err("Protocol decoder %s submitted invalid output ID %d",
-                               di->decoder->name, output_id);
-               return NULL;
-       }
-       pdo = l->data;
-
-       if (!(pdata = g_try_malloc0(sizeof(struct srd_proto_data))))
-               return NULL;
-       pdata->start_sample = start_sample;
-       pdata->end_sample = end_sample;
-       pdata->pdo = pdo;
-
-       switch (pdo->output_type) {
-       case SRD_OUTPUT_ANN:
-               /* Annotations are only fed to callbacks. */
-               if ((cb = srd_find_callback(pdo->output_type))) {
-                       /* Annotations need converting from PyObject. */
-                       if (convert_pyobj(di, data, &pdata->ann_format,
-                                       (char ***)&pdata->data) != SRD_OK) {
-                               /* An error was already logged. */
-                               break;
-                       }
-                       cb(pdata);
-               }
-               break;
-       case SRD_OUTPUT_PROTO:
-               for (l = di->next_di; l; l = l->next) {
-                       next_di = l->data;
-                       /* TODO: is this needed? */
-                       Py_XINCREF(next_di->py_instance);
-                       if (!(py_res = PyObject_CallMethod(next_di->py_instance, "decode",
-                                       "KKO", start_sample, end_sample, data))) {
-                               if (PyErr_Occurred())
-                                       PyErr_Print();
-                       }
-                       Py_XDECREF(py_res);
-               }
-               break;
-       case SRD_OUTPUT_BINARY:
-               srd_err("SRD_OUTPUT_BINARY not yet supported");
-               break;
-       default:
-               srd_err("Protocol decoder %s submitted invalid output type %d",
-                               di->decoder->name, pdo->output_type);
-               break;
-       }
-
-       g_free(pdata);
-
-       Py_RETURN_NONE;
-}
 
+/* lives in type_decoder.c */
+extern PyTypeObject srd_Decoder_type;
 
-static PyObject *Decoder_add(PyObject *self, PyObject *args)
-{
-       PyObject *ret;
-       struct srd_decoder_instance *di;
-       char *proto_id;
-       int output_type, pdo_id;
-
-       if (!(di = get_di_by_decobject(self))) {
-               srd_err("%s():%d decoder instance not found", __func__, __LINE__);
-               PyErr_SetString(PyExc_Exception, "decoder instance not found");
-               return NULL;
-       }
-
-       if (!PyArg_ParseTuple(args, "is", &output_type, &proto_id)) {
-               if (PyErr_Occurred())
-                       PyErr_Print();
-               return NULL;
-       }
-
-       pdo_id = pd_add(di, output_type, proto_id);
-       if (pdo_id < 0)
-               Py_RETURN_NONE;
-       else
-               ret = Py_BuildValue("i", pdo_id);
-
-       return ret;
-}
-
-static PyMethodDef no_methods[] = { {NULL, NULL, 0, NULL} };
-static PyMethodDef Decoder_methods[] = {
-       {"put", Decoder_put, METH_VARARGS,
-        "Accepts a dictionary with the following keys: time, duration, data"},
-       {"add", Decoder_add, METH_VARARGS, "Create a new output stream"},
-       {NULL, NULL, 0, NULL}
-};
-
+/* lives in type_logic.c */
+extern PyTypeObject srd_logic_type;
 
-typedef struct {
-       PyObject_HEAD
-} sigrok_Decoder_object;
 
-static PyTypeObject srd_Decoder_type = {
-       PyVarObject_HEAD_INIT(NULL, 0)
-       .tp_name = "sigrokdecode.Decoder",
-       .tp_basicsize = sizeof(sigrok_Decoder_object),
-       .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
-       .tp_doc = "Sigrok Decoder object",
-       .tp_methods = Decoder_methods,
-};
+/* When initialized, a reference to this module inside the python interpreter
+ * lives here.
+ */
+PyObject *mod_sigrokdecode = NULL;
 
 static struct PyModuleDef sigrokdecode_module = {
        PyModuleDef_HEAD_INIT,
        .m_name = "sigrokdecode",
-       .m_doc = "sigrokdecode base class",
+       .m_doc = "sigrokdecode module",
        .m_size = -1,
-       .m_methods = no_methods,
 };
 
+
 PyMODINIT_FUNC PyInit_sigrokdecode(void)
 {
        PyObject *mod;
@@ -230,16 +64,15 @@ PyMODINIT_FUNC PyInit_sigrokdecode(void)
                return NULL;
 
        /* expose output types as symbols in the sigrokdecode module */
-       if(PyModule_AddObject(mod, "SRD_OUTPUT_ANN",
-                       PyLong_FromLong(SRD_OUTPUT_ANN)) == -1)
+       if(PyModule_AddIntConstant(mod, "OUTPUT_ANN", SRD_OUTPUT_ANN) == -1)
                return NULL;
-       if(PyModule_AddObject(mod, "SRD_OUTPUT_PROTO",
-                       PyLong_FromLong(SRD_OUTPUT_PROTO)) == -1)
+       if(PyModule_AddIntConstant(mod, "OUTPUT_PROTO", SRD_OUTPUT_PROTO) == -1)
                return NULL;
-       if(PyModule_AddObject(mod, "SRD_OUTPUT_BINARY",
-                       PyLong_FromLong(SRD_OUTPUT_BINARY)) == -1)
+       if(PyModule_AddIntConstant(mod, "OUTPUT_BINARY", SRD_OUTPUT_BINARY) == -1)
                return NULL;
 
+       mod_sigrokdecode = mod;
+
        return mod;
 }