| 1 | /* |
| 2 | * Copyright 2016-2018 Philippe Proulx <pproulx@efficios.com> |
| 3 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 6 | * of this software and associated documentation files (the "Software"), to deal |
| 7 | * in the Software without restriction, including without limitation the rights |
| 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 9 | * copies of the Software, and to permit persons to whom the Software is |
| 10 | * furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be included in |
| 13 | * all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 21 | * SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #define BT_LOG_TAG "LIB/FIELD-PATH" |
| 25 | #include "lib/logging.h" |
| 26 | |
| 27 | #include "lib/assert-pre.h" |
| 28 | #include <babeltrace2/trace-ir/field-class.h> |
| 29 | #include <babeltrace2/trace-ir/field-path-const.h> |
| 30 | #include <limits.h> |
| 31 | #include <stdint.h> |
| 32 | #include <inttypes.h> |
| 33 | #include "common/assert.h" |
| 34 | #include <glib.h> |
| 35 | |
| 36 | #include "field-class.h" |
| 37 | #include "field-path.h" |
| 38 | |
| 39 | static |
| 40 | void destroy_field_path(struct bt_object *obj) |
| 41 | { |
| 42 | struct bt_field_path *field_path = (struct bt_field_path *) obj; |
| 43 | |
| 44 | BT_ASSERT(field_path); |
| 45 | BT_LIB_LOGD("Destroying field path: %!+P", field_path); |
| 46 | g_array_free(field_path->items, TRUE); |
| 47 | field_path->items = NULL; |
| 48 | g_free(field_path); |
| 49 | } |
| 50 | |
| 51 | BT_HIDDEN |
| 52 | struct bt_field_path *bt_field_path_create(void) |
| 53 | { |
| 54 | struct bt_field_path *field_path = NULL; |
| 55 | |
| 56 | BT_LOGD_STR("Creating empty field path object."); |
| 57 | |
| 58 | field_path = g_new0(struct bt_field_path, 1); |
| 59 | if (!field_path) { |
| 60 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one field path."); |
| 61 | goto error; |
| 62 | } |
| 63 | |
| 64 | bt_object_init_shared(&field_path->base, destroy_field_path); |
| 65 | field_path->items = g_array_new(FALSE, FALSE, |
| 66 | sizeof(struct bt_field_path_item)); |
| 67 | if (!field_path->items) { |
| 68 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GArray."); |
| 69 | goto error; |
| 70 | } |
| 71 | |
| 72 | BT_LIB_LOGD("Created empty field path object: %!+P", field_path); |
| 73 | goto end; |
| 74 | |
| 75 | error: |
| 76 | BT_OBJECT_PUT_REF_AND_RESET(field_path); |
| 77 | |
| 78 | end: |
| 79 | return field_path; |
| 80 | } |
| 81 | |
| 82 | enum bt_field_path_scope bt_field_path_get_root_scope( |
| 83 | const struct bt_field_path *field_path) |
| 84 | { |
| 85 | BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path"); |
| 86 | return field_path->root; |
| 87 | } |
| 88 | |
| 89 | uint64_t bt_field_path_get_item_count(const struct bt_field_path *field_path) |
| 90 | { |
| 91 | BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path"); |
| 92 | return (uint64_t) field_path->items->len; |
| 93 | } |
| 94 | |
| 95 | const struct bt_field_path_item *bt_field_path_borrow_item_by_index_const( |
| 96 | const struct bt_field_path *field_path, uint64_t index) |
| 97 | { |
| 98 | BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path"); |
| 99 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, field_path->items->len); |
| 100 | return bt_field_path_borrow_item_by_index_inline(field_path, index); |
| 101 | } |
| 102 | |
| 103 | enum bt_field_path_item_type bt_field_path_item_get_type( |
| 104 | const struct bt_field_path_item *field_path_item) |
| 105 | { |
| 106 | BT_ASSERT_PRE_DEV_NON_NULL(field_path_item, "Field path item"); |
| 107 | return field_path_item->type; |
| 108 | } |
| 109 | |
| 110 | uint64_t bt_field_path_item_index_get_index( |
| 111 | const struct bt_field_path_item *field_path_item) |
| 112 | { |
| 113 | BT_ASSERT_PRE_DEV_NON_NULL(field_path_item, "Field path item"); |
| 114 | BT_ASSERT_PRE_DEV(field_path_item->type == BT_FIELD_PATH_ITEM_TYPE_INDEX, |
| 115 | "Field path item is not an index field path item: " |
| 116 | "addr=%p, type=%s", field_path_item, |
| 117 | bt_field_path_item_type_string(field_path_item->type)); |
| 118 | return field_path_item->index; |
| 119 | } |
| 120 | |
| 121 | void bt_field_path_get_ref(const struct bt_field_path *field_path) |
| 122 | { |
| 123 | bt_object_get_ref(field_path); |
| 124 | } |
| 125 | |
| 126 | void bt_field_path_put_ref(const struct bt_field_path *field_path) |
| 127 | { |
| 128 | bt_object_put_ref(field_path); |
| 129 | } |