[babeltrace.git] / formats / ctf / ir / field-path.c

/*
 * field-path.c
 *
 * Babeltrace CTF IR - Field path
 *
 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <babeltrace/ctf-ir/field-types.h>
#include <babeltrace/ctf-ir/field-path-internal.h>
#include <babeltrace/ctf-ir/field-path.h>
#include <limits.h>
#include <glib.h>

static
void field_path_destroy(struct bt_object *obj)
{
	struct bt_ctf_field_path *field_path = (struct bt_ctf_field_path *) obj;

	if (!field_path) {
		return;
	}

	if (field_path->indexes) {
		g_array_free(field_path->indexes, TRUE);
	}
	g_free(field_path);
}

BT_HIDDEN
struct bt_ctf_field_path *bt_ctf_field_path_create(void)
{
	struct bt_ctf_field_path *field_path = NULL;

	field_path = g_new0(struct bt_ctf_field_path, 1);
	if (!field_path) {
		goto error;
	}

	bt_object_init(field_path, field_path_destroy);
	field_path->root = BT_CTF_SCOPE_UNKNOWN;
	field_path->indexes = g_array_new(TRUE, FALSE, sizeof(int));
	if (!field_path->indexes) {
		goto error;
	}

	return field_path;

error:
	BT_PUT(field_path);
	return NULL;
}

BT_HIDDEN
void bt_ctf_field_path_clear(struct bt_ctf_field_path *field_path)
{
	if (field_path->indexes->len > 0) {
		g_array_remove_range(field_path->indexes, 0,
			field_path->indexes->len);
	}
}

BT_HIDDEN
struct bt_ctf_field_path *bt_ctf_field_path_copy(
		struct bt_ctf_field_path *path)
{
	struct bt_ctf_field_path *new_path = bt_ctf_field_path_create();

	if (!new_path) {
		goto end;
	}

	new_path->root = path->root;
	g_array_insert_vals(new_path->indexes, 0,
		path->indexes->data, path->indexes->len);
end:
	return new_path;
}

enum bt_ctf_scope bt_ctf_field_path_get_root_scope(
		const struct bt_ctf_field_path *field_path)
{
	enum bt_ctf_scope scope = BT_CTF_SCOPE_UNKNOWN;

	if (!field_path) {
		goto end;
	}

	scope = field_path->root;

end:
	return scope;
}

int bt_ctf_field_path_get_index_count(
		const struct bt_ctf_field_path *field_path)
{
	int ret = -1;

	if (!field_path) {
		goto end;
	}

	ret = field_path->indexes->len;

end:
	return ret;
}

int bt_ctf_field_path_get_index(const struct bt_ctf_field_path *field_path,
		int index)
{
	int ret = INT_MIN;

	if (!field_path || index < 0) {
		goto end;
	}

	if (index >= field_path->indexes->len) {
		goto end;
	}

	ret = g_array_index(field_path->indexes, int, index);

end:
	return ret;
}
Commit	Line	Data
	1	/*
	2	* field-path.c
	3	*
	4	* Babeltrace CTF IR - Field path
	5	*
	6	* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	7	* Copyright 2016 Philippe Proulx <pproulx@efficios.com>
	8	*
	9	* Permission is hereby granted, free of charge, to any person obtaining a copy
	10	* of this software and associated documentation files (the "Software"), to deal
	11	* in the Software without restriction, including without limitation the rights
	12	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	13	* copies of the Software, and to permit persons to whom the Software is
	14	* furnished to do so, subject to the following conditions:
	15	*
	16	* The above copyright notice and this permission notice shall be included in
	17	* all copies or substantial portions of the Software.
	18	*
	19	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	20	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	21	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	22	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	23	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	24	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	25	* SOFTWARE.
	26	*/
	27
	28	#include <babeltrace/ctf-ir/field-types.h>
	29	#include <babeltrace/ctf-ir/field-path-internal.h>
	30	#include <babeltrace/ctf-ir/field-path.h>
	31	#include <limits.h>
	32	#include <glib.h>
	33
	34	static
	35	void field_path_destroy(struct bt_object *obj)
	36	{
	37	struct bt_ctf_field_path field_path = (struct bt_ctf_field_path ) obj;
	38
	39	if (!field_path) {
	40	return;
	41	}
	42
	43	if (field_path->indexes) {
	44	g_array_free(field_path->indexes, TRUE);
	45	}
	46	g_free(field_path);
	47	}
	48
	49	BT_HIDDEN
	50	struct bt_ctf_field_path *bt_ctf_field_path_create(void)
	51	{
	52	struct bt_ctf_field_path *field_path = NULL;
	53
	54	field_path = g_new0(struct bt_ctf_field_path, 1);
	55	if (!field_path) {
	56	goto error;
	57	}
	58
	59	bt_object_init(field_path, field_path_destroy);
	60	field_path->root = BT_CTF_SCOPE_UNKNOWN;
	61	field_path->indexes = g_array_new(TRUE, FALSE, sizeof(int));
	62	if (!field_path->indexes) {
	63	goto error;
	64	}
	65
	66	return field_path;
	67
	68	error:
	69	BT_PUT(field_path);
	70	return NULL;
	71	}
	72
	73	BT_HIDDEN
	74	void bt_ctf_field_path_clear(struct bt_ctf_field_path *field_path)
	75	{
	76	if (field_path->indexes->len > 0) {
	77	g_array_remove_range(field_path->indexes, 0,
	78	field_path->indexes->len);
	79	}
	80	}
	81
	82	BT_HIDDEN
	83	struct bt_ctf_field_path *bt_ctf_field_path_copy(
	84	struct bt_ctf_field_path *path)
	85	{
	86	struct bt_ctf_field_path *new_path = bt_ctf_field_path_create();
	87
	88	if (!new_path) {
	89	goto end;
	90	}
	91
	92	new_path->root = path->root;
	93	g_array_insert_vals(new_path->indexes, 0,
	94	path->indexes->data, path->indexes->len);
	95	end:
	96	return new_path;
	97	}
	98
	99	enum bt_ctf_scope bt_ctf_field_path_get_root_scope(
	100	const struct bt_ctf_field_path *field_path)
	101	{
	102	enum bt_ctf_scope scope = BT_CTF_SCOPE_UNKNOWN;
	103
	104	if (!field_path) {
	105	goto end;
	106	}
	107
	108	scope = field_path->root;
	109
	110	end:
	111	return scope;
	112	}
	113
	114	int bt_ctf_field_path_get_index_count(
	115	const struct bt_ctf_field_path *field_path)
	116	{
	117	int ret = -1;
	118
	119	if (!field_path) {
	120	goto end;
	121	}
	122
	123	ret = field_path->indexes->len;
	124
	125	end:
	126	return ret;
	127	}
	128
	129	int bt_ctf_field_path_get_index(const struct bt_ctf_field_path *field_path,
	130	int index)
	131	{
	132	int ret = INT_MIN;
	133
	134	if (!field_path \|\| index < 0) {
	135	goto end;
	136	}
	137
	138	if (index >= field_path->indexes->len) {
	139	goto end;
	140	}
	141
	142	ret = g_array_index(field_path->indexes, int, index);
	143
	144	end:
	145	return ret;
	146	}