Add support for annotation rows.

[libsigrokdecode.git] / decoder.c

diff --git a/decoder.c b/decoder.c
index 60bd4868d3faba2ca926a8f22a48e55d84a79e23..becd78516199ec88fe2581ff4a4eb99b2c2f027f 100644 (file)
--- a/decoder.c
+++ b/decoder.c
@@ -250,13 +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;
@@ -385,8 +387,7 @@ SRD_API int srd_decoder_load(const char *module_name)
                                        "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 %s annotation %d should "
@@ -401,6 +402,59 @@ SRD_API int srd_decoder_load(const char *module_name)
                }
        }
 
+       /* 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")) {
@@ -410,8 +464,7 @@ SRD_API int srd_decoder_load(const char *module_name)
                                        "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 (!PyTuple_Check(py_bin_class)) {
                                srd_err("Protocol decoder %s binary classes "