X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fplugins%2Fctf%2Fcommon%2Fmetadata%2Fdecoder.c;fp=src%2Fplugins%2Fctf%2Fcommon%2Fmetadata%2Fdecoder.c;h=7407ad339dbf927bce3f741f29e61ac6782a8a64;hb=1a6da3f9c9a9377973679ca269cd81079d834044;hp=17b2aa4bd211be1474d4d7da288207f7cc7fc2a7;hpb=06be99464988953e390114337ccdd20622fb50d1;p=babeltrace.git

diff --git a/src/plugins/ctf/common/metadata/decoder.c b/src/plugins/ctf/common/metadata/decoder.c
index 17b2aa4b..7407ad33 100644
--- a/src/plugins/ctf/common/metadata/decoder.c
+++ b/src/plugins/ctf/common/metadata/decoder.c
@@ -406,3 +406,80 @@ int ctf_metadata_decoder_get_uuid(struct ctf_metadata_decoder *mdec,
 end:
 	return ret;
 }
+
+static
+enum ctf_metadata_decoder_status find_uuid_in_trace_decl(
+		struct ctf_metadata_decoder *mdec, struct ctf_node *trace_node,
+		bt_uuid_t uuid)
+{
+	enum ctf_metadata_decoder_status status =
+		CTF_METADATA_DECODER_STATUS_OK;
+	struct ctf_node *entry_node;
+	struct bt_list_head *decl_list = &trace_node->u.trace.declaration_list;
+	char *left = NULL;
+
+	bt_list_for_each_entry(entry_node, decl_list, siblings) {
+		if (entry_node->type == NODE_CTF_EXPRESSION) {
+			int ret;
+
+			left = ctf_ast_concatenate_unary_strings(
+				&entry_node->u.ctf_expression.left);
+			if (!left) {
+				BT_COMP_LOGE("Cannot concatenate unary strings.");
+				status = CTF_METADATA_DECODER_STATUS_ERROR;
+				goto end;
+			}
+
+			if (strcmp(left, "uuid") == 0) {
+				ret = ctf_ast_get_unary_uuid(
+					&entry_node->u.ctf_expression.right,
+					uuid, mdec->config.log_level,
+					mdec->config.self_comp);
+				if (ret) {
+					BT_COMP_LOGE("Invalid trace's `uuid` attribute.");
+					status = CTF_METADATA_DECODER_STATUS_ERROR;
+					goto end;
+				}
+
+				goto end;
+			}
+
+			g_free(left);
+			left = NULL;
+		}
+	}
+
+	status = CTF_METADATA_DECODER_STATUS_NONE;
+
+end:
+	g_free(left);
+	return status;
+}
+
+BT_HIDDEN
+enum ctf_metadata_decoder_status ctf_metadata_decoder_get_trace_class_uuid(
+		struct ctf_metadata_decoder *mdec, bt_uuid_t uuid)
+{
+	enum ctf_metadata_decoder_status status =
+		CTF_METADATA_DECODER_STATUS_INCOMPLETE;
+	struct ctf_node *root_node = &mdec->scanner->ast->root;
+	struct ctf_node *trace_node;
+
+	if (!root_node) {
+		status = CTF_METADATA_DECODER_STATUS_INCOMPLETE;
+		goto end;
+	}
+
+	trace_node =
+		bt_list_entry(root_node->u.root.trace.next,
+			struct ctf_node, siblings);
+	if (!trace_node) {
+		status = CTF_METADATA_DECODER_STATUS_INCOMPLETE;
+		goto end;
+	}
+
+	status = find_uuid_in_trace_decl(mdec, trace_node, uuid);
+
+end:
+	return status;
+}