Implement CTF-IR stream class getters

[babeltrace.git] / formats / ctf / ir / stream-class.c

diff --git a/formats/ctf/ir/stream-class.c b/formats/ctf/ir/stream-class.c
index 7957a4961733c1f8a56f2863b77cffb4646dc2c8..67015978399eb35e2e13b354412d4bb9279ef57d 100644 (file)
--- a/formats/ctf/ir/stream-class.c
+++ b/formats/ctf/ir/stream-class.c
@@ -77,6 +77,20 @@ error:
        return stream_class;
 }
 
+const char *bt_ctf_stream_class_get_name(
+               struct bt_ctf_stream_class *stream_class)
+{
+       const char *name = NULL;
+
+       if (!stream_class) {
+               goto end;
+       }
+
+       name = stream_class->name->str;
+end:
+       return name;
+}
+
 struct bt_ctf_clock *bt_ctf_stream_class_get_clock(
                struct bt_ctf_stream_class *stream_class)
 {
@@ -183,6 +197,66 @@ end:
        return ret;
 }
 
+int64_t bt_ctf_stream_class_get_event_class_count(
+               struct bt_ctf_stream_class *stream_class)
+{
+       int64_t ret;
+
+       if (!stream_class) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = (int64_t) stream_class->event_classes->len;
+end:
+       return ret;
+}
+
+struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class(
+               struct bt_ctf_stream_class *stream_class, size_t index)
+{
+       struct bt_ctf_event_class *event_class = NULL;
+
+       if (!stream_class || index >= stream_class->event_classes->len) {
+               goto end;
+       }
+
+       event_class = g_ptr_array_index(stream_class->event_classes, index);
+       bt_ctf_event_class_get(event_class);
+end:
+       return event_class;
+}
+
+struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_name(
+               struct bt_ctf_stream_class *stream_class, const char *name)
+{
+       size_t i;
+       GQuark name_quark;
+       struct bt_ctf_event_class *event_class = NULL;
+
+       if (!stream_class || !name) {
+               goto end;
+       }
+
+       name_quark = g_quark_try_string(name);
+       if (!name_quark) {
+               goto end;
+       }
+
+       for (i = 0; i < stream_class->event_classes->len; i++) {
+               struct bt_ctf_event_class *current_event_class =
+                       g_ptr_array_index(stream_class->event_classes, i);
+
+               if (name_quark == current_event_class->name) {
+                       event_class = current_event_class;
+                       bt_ctf_event_class_get(event_class);
+                       goto end;
+               }
+       }
+end:
+       return event_class;
+}
+
 void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class)
 {
        if (!stream_class) {