X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoder.c;h=becd78516199ec88fe2581ff4a4eb99b2c2f027f;hp=71f479902eb29545b94eb6b98e50bf6df52adfdb;hb=92d992d2e50a1996fa2f436f5217b5a9fb3b7e62;hpb=820bf44828745e7d0a7bb0974164acd899c3c113 diff --git a/decoder.c b/decoder.c index 71f4799..becd785 100644 --- a/decoder.c +++ b/decoder.c @@ -42,6 +42,10 @@ /* The list of protocol decoders. */ SRD_PRIV GSList *pd_list = NULL; +/* srd.c */ +extern GSList *searchpaths; + +/* session.c */ extern GSList *sessions; /* module_sigrokdecode.c */ @@ -246,13 +250,15 @@ err_out: */ SRD_API int srd_decoder_load(const char *module_name) { - PyObject *py_basedec, *py_method, *py_attr, *py_annlist, *py_ann, \ - *py_bin_classes, *py_bin_class; + PyObject *py_basedec, *py_method, *py_attr, *py_annlist, *py_ann; + PyObject *py_bin_classes, *py_bin_class, *py_ann_rows, *py_ann_row; + PyObject *py_ann_classes, *py_long; struct srd_decoder *d; - int len, ret, i; - char **ann, *bin; + int ret, i, j; + char **ann, **bin, *ann_row_id, *ann_row_desc; struct srd_probe *p; - GSList *l; + GSList *l, *ann_classes; + struct srd_decoder_annotation_row *ann_row; if (!srd_check_init()) return SRD_ERR; @@ -377,46 +383,103 @@ SRD_API int srd_decoder_load(const char *module_name) if (PyObject_HasAttrString(d->py_dec, "annotations")) { py_annlist = PyObject_GetAttrString(d->py_dec, "annotations"); if (!PyList_Check(py_annlist)) { - srd_err("Protocol decoder module %s annotations " - "should be a list.", module_name); + srd_err("Protocol decoder %s annotations should " + "be a list.", module_name); goto err_out; } - len = PyList_Size(py_annlist); - for (i = 0; i < len; i++) { + for (i = 0; i < PyList_Size(py_annlist); i++) { py_ann = PyList_GetItem(py_annlist, i); if (!PyList_Check(py_ann) || PyList_Size(py_ann) != 2) { - srd_err("Protocol decoder module %s " - "annotation %d should be a list with " - "two elements.", module_name, i + 1); + srd_err("Protocol decoder %s annotation %d should " + "be a list with two elements.", module_name, i + 1); goto err_out; } - if (py_strlist_to_char(py_ann, &ann) != SRD_OK) { + if (py_strseq_to_char(py_ann, &ann) != SRD_OK) { goto err_out; } d->annotations = g_slist_append(d->annotations, ann); } } + /* Convert annotation_rows to GSList of 'struct srd_decoder_annotation_row'. */ + d->annotation_rows = NULL; + if (PyObject_HasAttrString(d->py_dec, "annotation_rows")) { + py_ann_rows = PyObject_GetAttrString(d->py_dec, "annotation_rows"); + if (!PyTuple_Check(py_ann_rows)) { + srd_err("Protocol decoder %s annotation row list " + "must be a tuple.", module_name); + goto err_out; + } + for (i = 0; i < PyTuple_Size(py_ann_rows); i++) { + py_ann_row = PyTuple_GetItem(py_ann_rows, i); + if (!PyTuple_Check(py_ann_row)) { + srd_err("Protocol decoder %s annotation rows " + "must be tuples.", module_name); + goto err_out; + } + if (PyTuple_Size(py_ann_row) != 3 + || !PyUnicode_Check(PyTuple_GetItem(py_ann_row, 0)) + || !PyUnicode_Check(PyTuple_GetItem(py_ann_row, 1)) + || !PyTuple_Check(PyTuple_GetItem(py_ann_row, 2))) { + srd_err("Protocol decoder %s annotation rows " + "must contain tuples containing two " + "strings and a tuple.", module_name); + goto err_out; + } + + if (py_str_as_str(PyTuple_GetItem(py_ann_row, 0), &ann_row_id) != SRD_OK) + goto err_out; + + if (py_str_as_str(PyTuple_GetItem(py_ann_row, 1), &ann_row_desc) != SRD_OK) + goto err_out; + + py_ann_classes = PyTuple_GetItem(py_ann_row, 2); + ann_classes = NULL; + for (j = 0; j < PyTuple_Size(py_ann_classes); j++) { + py_long = PyTuple_GetItem(py_ann_classes, j); + if (!PyLong_Check(py_long)) { + srd_err("Protocol decoder %s annotation row class " + "list must only contain numbers.", module_name); + goto err_out; + } + ann_classes = g_slist_append(ann_classes, + GINT_TO_POINTER(PyLong_AsLong(py_long))); + } + + ann_row = g_malloc0(sizeof(struct srd_decoder_annotation_row)); + ann_row->id = ann_row_id; + ann_row->desc = ann_row_desc; + ann_row->ann_classes = ann_classes; + d->annotation_rows = g_slist_append(d->annotation_rows, ann_row); + } + } + /* Convert binary class to GSList of char *. */ d->binary = NULL; if (PyObject_HasAttrString(d->py_dec, "binary")) { py_bin_classes = PyObject_GetAttrString(d->py_dec, "binary"); if (!PyTuple_Check(py_bin_classes)) { - srd_err("Protocol decoder module %s binary classes " - "should be a tuple.", module_name); + srd_err("Protocol decoder %s binary classes should " + "be a tuple.", module_name); goto err_out; } - len = PyTuple_Size(py_bin_classes); - for (i = 0; i < len; i++) { + for (i = 0; i < PyTuple_Size(py_bin_classes); i++) { py_bin_class = PyTuple_GetItem(py_bin_classes, i); - if (!PyUnicode_Check(py_bin_class)) { - srd_err("Protocol decoder module %s binary " - "class should be a string.", module_name); + if (!PyTuple_Check(py_bin_class)) { + srd_err("Protocol decoder %s binary classes " + "should consist of tuples.", module_name); + goto err_out; + } + if (PyTuple_Size(py_bin_class) != 2 + || !PyUnicode_Check(PyTuple_GetItem(py_bin_class, 0)) + || !PyUnicode_Check(PyTuple_GetItem(py_bin_class, 1))) { + srd_err("Protocol decoder %s binary classes should " + "contain tuples with two strings.", module_name); goto err_out; } - if (py_str_as_str(py_bin_class, &bin) != SRD_OK) { + if (py_strseq_to_char(py_bin_class, &bin) != SRD_OK) { goto err_out; } d->binary = g_slist_append(d->binary, bin); @@ -556,6 +619,26 @@ SRD_API int srd_decoder_unload(struct srd_decoder *dec) return SRD_OK; } +static void srd_decoder_load_all_path(char *path) +{ + GDir *dir; + const gchar *direntry; + + if (!(dir = g_dir_open(path, 0, NULL))) + /* Not really fatal */ + return; + + /* This ignores errors returned by srd_decoder_load(). That + * function will have logged the cause, but in any case we + * want to continue anyway. */ + while ((direntry = g_dir_read_name(dir)) != NULL) { + /* The directory name is the module name (e.g. "i2c"). */ + srd_decoder_load(direntry); + } + g_dir_close(dir); + +} + /** * Load all installed protocol decoders. * @@ -565,22 +648,13 @@ SRD_API int srd_decoder_unload(struct srd_decoder *dec) */ SRD_API int srd_decoder_load_all(void) { - GDir *dir; - const gchar *direntry; + GSList *l; if (!srd_check_init()) return SRD_ERR; - if (!(dir = g_dir_open(DECODERS_DIR, 0, NULL))) { - srd_err("Unable to open %s for reading.", DECODERS_DIR); - return SRD_ERR_DECODERS_DIR; - } - - while ((direntry = g_dir_read_name(dir)) != NULL) { - /* The directory name is the module name (e.g. "i2c"). */ - srd_decoder_load(direntry); - } - g_dir_close(dir); + for (l = searchpaths; l; l = l->next) + srd_decoder_load_all_path(l->data); return SRD_OK; }