]> sigrok.org Git - libsigrokdecode.git/blobdiff - decoder.c
transitioncounter: Drop PD (obsolete).
[libsigrokdecode.git] / decoder.c
index 71f479902eb29545b94eb6b98e50bf6df52adfdb..60bd4868d3faba2ca926a8f22a48e55d84a79e23 100644 (file)
--- a/decoder.c
+++ b/decoder.c
 /* The list of protocol decoders. */
 SRD_PRIV GSList *pd_list = NULL;
 
+/* srd.c */
+extern GSList *searchpaths;
+
+/* session.c */
 extern GSList *sessions;
 
 /* module_sigrokdecode.c */
@@ -250,7 +254,7 @@ SRD_API int srd_decoder_load(const char *module_name)
                *py_bin_classes, *py_bin_class;
        struct srd_decoder *d;
        int len, ret, i;
-       char **ann, *bin;
+       char **ann, **bin;
        struct srd_probe *p;
        GSList *l;
 
@@ -377,21 +381,20 @@ 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++) {
                        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);
@@ -403,20 +406,27 @@ SRD_API int srd_decoder_load(const char *module_name)
        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++) {
                        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 +566,26 @@ 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 +595,13 @@ 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;
 }