#include <string.h>
#include <stdlib.h>
#include <glib.h>
-#include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/objects.h>
-
-#define BT_CTF_ATTR_NAME_INDEX 0
-#define BT_CTF_ATTR_VALUE_INDEX 1
static
const char * const reserved_keywords_str[] = {"align", "callsite",
free(string);
return ret;
}
-
-BT_HIDDEN
-struct bt_object *bt_ctf_attributes_create(void)
-{
- /*
- * Attributes: array object of array objects, each one
- * containing two entries: a string object (attributes field
- * name), and an object (attributes field value).
- *
- * Example (JSON representation):
- *
- * [
- * ["hostname", "eeppdesk"],
- * ["sysname", "Linux"],
- * ["tracer_major", 2],
- * ["tracer_minor", 5]
- * ]
- */
- return bt_object_array_create();
-}
-
-BT_HIDDEN
-void bt_ctf_attributes_destroy(struct bt_object *attr_obj)
-{
- bt_object_put(attr_obj);
-}
-
-BT_HIDDEN
-int bt_ctf_attributes_get_count(struct bt_object *attr_obj)
-{
- return bt_object_array_size(attr_obj);
-}
-
-BT_HIDDEN
-const char *bt_ctf_attributes_get_field_name(struct bt_object *attr_obj,
- int index)
-{
- int rc;
- const char *ret = NULL;
- struct bt_object *attr_field_obj = NULL;
- struct bt_object *attr_field_name_obj = NULL;
-
- if (!attr_obj || index < 0) {
- goto end;
- }
-
- attr_field_obj = bt_object_array_get(attr_obj, index);
-
- if (!attr_field_obj) {
- goto end;
- }
-
- attr_field_name_obj = bt_object_array_get(attr_field_obj,
- BT_CTF_ATTR_NAME_INDEX);
-
- if (!attr_field_name_obj) {
- goto end;
- }
-
- rc = bt_object_string_get(attr_field_name_obj, &ret);
-
- if (rc) {
- ret = NULL;
- }
-
-end:
- BT_OBJECT_PUT(attr_field_name_obj);
- BT_OBJECT_PUT(attr_field_obj);
-
- return ret;
-}
-
-BT_HIDDEN
-struct bt_object *bt_ctf_attributes_get_field_value(struct bt_object *attr_obj,
- int index)
-{
- struct bt_object *value_obj = NULL;
- struct bt_object *attr_field_obj = NULL;
-
- if (!attr_obj || index < 0) {
- goto end;
- }
-
- attr_field_obj = bt_object_array_get(attr_obj, index);
-
- if (!attr_field_obj) {
- goto end;
- }
-
- value_obj = bt_object_array_get(attr_field_obj,
- BT_CTF_ATTR_VALUE_INDEX);
-
-end:
- BT_OBJECT_PUT(attr_field_obj);
-
- return value_obj;
-}
-
-static
-struct bt_object *bt_ctf_attributes_get_field_by_name(
- struct bt_object *attr_obj, const char *name)
-{
- int i;
- int attr_size;
- struct bt_object *value_obj = NULL;
- struct bt_object *attr_field_name_obj = NULL;
-
- attr_size = bt_object_array_size(attr_obj);
-
- if (attr_size < 0) {
- goto error;
- }
-
- for (i = 0; i < attr_size; ++i) {
- int ret;
- const char *field_name;
-
- value_obj = bt_object_array_get(attr_obj, i);
-
- if (!value_obj) {
- goto error;
- }
-
- attr_field_name_obj = bt_object_array_get(value_obj, 0);
-
- if (!attr_field_name_obj) {
- goto error;
- }
-
- ret = bt_object_string_get(attr_field_name_obj, &field_name);
- if (ret) {
- goto error;
- }
-
- if (!strcmp(field_name, name)) {
- BT_OBJECT_PUT(attr_field_name_obj);
- break;
- }
-
- BT_OBJECT_PUT(attr_field_name_obj);
- BT_OBJECT_PUT(value_obj);
- }
-
- return value_obj;
-
-error:
- BT_OBJECT_PUT(attr_field_name_obj);
- BT_OBJECT_PUT(value_obj);
-
- return value_obj;
-}
-
-BT_HIDDEN
-int bt_ctf_attributes_set_field_value(struct bt_object *attr_obj,
- const char *name, struct bt_object *value_obj)
-{
- int ret = 0;
- struct bt_object *attr_field_obj = NULL;
-
- if (!attr_obj || !name || !value_obj) {
- ret = -1;
- goto end;
- }
-
- attr_field_obj = bt_ctf_attributes_get_field_by_name(attr_obj, name);
-
- if (attr_field_obj) {
- ret = bt_object_array_set(attr_field_obj,
- BT_CTF_ATTR_VALUE_INDEX, value_obj);
- goto end;
- }
-
- attr_field_obj = bt_object_array_create();
-
- if (!attr_field_obj) {
- ret = -1;
- goto end;
- }
-
- ret = bt_object_array_append_string(attr_field_obj, name);
- ret |= bt_object_array_append(attr_field_obj, value_obj);
-
- if (ret) {
- goto end;
- }
-
- ret = bt_object_array_append(attr_obj, attr_field_obj);
-
-end:
- BT_OBJECT_PUT(attr_field_obj);
-
- return ret;
-}
-
-BT_HIDDEN
-struct bt_object *bt_ctf_attributes_get_field_value_by_name(
- struct bt_object *attr_obj, const char *name)
-{
- struct bt_object *value_obj = NULL;
- struct bt_object *attr_field_obj = NULL;
-
- if (!attr_obj || !name) {
- goto end;
- }
-
- attr_field_obj = bt_ctf_attributes_get_field_by_name(attr_obj, name);
-
- if (!attr_field_obj) {
- goto end;
- }
-
- value_obj = bt_object_array_get(attr_field_obj,
- BT_CTF_ATTR_VALUE_INDEX);
-
-end:
- BT_OBJECT_PUT(attr_field_obj);
-
- return value_obj;
-}
-
-BT_HIDDEN
-int bt_ctf_attributes_freeze(struct bt_object *attr_obj)
-{
- int i;
- int count;
- int ret = 0;
-
- if (!attr_obj) {
- ret = -1;
- goto end;
- }
-
- count = bt_object_array_size(attr_obj);
-
- if (count < 0) {
- ret = -1;
- goto end;
- }
-
- /*
- * We do not freeze the array itself here, since internal
- * stuff could need to modify/add attributes. Each attribute
- * is frozen one by one.
- */
- for (i = 0; i < count; ++i) {
- struct bt_object *obj = NULL;
-
- obj = bt_ctf_attributes_get_field_value(attr_obj, i);
-
- if (!obj) {
- ret = -1;
- goto end;
- }
-
- bt_object_freeze(obj);
- BT_OBJECT_PUT(obj);
- }
-
-end:
-
- return ret;
-}
projects / babeltrace.git / blobdiff