| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * |
| 6 | * Babeltrace CTF writer - Visitor |
| 7 | */ |
| 8 | |
| 9 | #include <babeltrace2-ctf-writer/object.h> |
| 10 | |
| 11 | #include "common/macros.h" |
| 12 | |
| 13 | #include "visitor.h" |
| 14 | |
| 15 | BT_HIDDEN |
| 16 | int bt_ctf_visitor_helper(struct bt_ctf_visitor_object *root, |
| 17 | bt_ctf_child_count_accessor child_counter, |
| 18 | bt_ctf_child_accessor child_accessor, |
| 19 | bt_ctf_child_visitor child_visitor, |
| 20 | bt_ctf_visitor visitor, |
| 21 | void *data) |
| 22 | { |
| 23 | int ret, child_count, i; |
| 24 | |
| 25 | ret = visitor(root, data); |
| 26 | if (ret) { |
| 27 | goto end; |
| 28 | } |
| 29 | |
| 30 | child_count = child_counter(root->object); |
| 31 | if (child_count < 0) { |
| 32 | ret = child_count; |
| 33 | goto end; |
| 34 | } |
| 35 | |
| 36 | for (i = 0; i < child_count; i++) { |
| 37 | void *child; |
| 38 | |
| 39 | child = child_accessor(root->object, i); |
| 40 | if (!child) { |
| 41 | ret = -1; |
| 42 | goto end; |
| 43 | } |
| 44 | ret = child_visitor(child, visitor, data); |
| 45 | BT_CTF_OBJECT_PUT_REF_AND_RESET(child); |
| 46 | if (ret) { |
| 47 | goto end; |
| 48 | } |
| 49 | } |
| 50 | end: |
| 51 | return ret; |
| 52 | } |
| 53 | |
| 54 | enum bt_ctf_visitor_object_type bt_ctf_visitor_object_get_type( |
| 55 | struct bt_ctf_visitor_object *object) |
| 56 | { |
| 57 | enum bt_ctf_visitor_object_type ret = BT_CTF_VISITOR_OBJECT_TYPE_UNKNOWN; |
| 58 | |
| 59 | if (!object) { |
| 60 | goto end; |
| 61 | } |
| 62 | |
| 63 | ret = object->type; |
| 64 | end: |
| 65 | return ret; |
| 66 | } |
| 67 | |
| 68 | void *bt_ctf_visitor_object_get_object(struct bt_ctf_visitor_object *object) |
| 69 | { |
| 70 | void *ret = NULL; |
| 71 | |
| 72 | if (!object) { |
| 73 | goto end; |
| 74 | } |
| 75 | |
| 76 | ret = object->object; |
| 77 | end: |
| 78 | return ret; |
| 79 | } |