--- /dev/null
+/*
+ * Values.c: value objects
+ *
+ * Babeltrace Library
+ *
+ * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
+ * Copyright (c) 2015 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 <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <string.h>
+#include <babeltrace/compiler.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/values.h>
+#include <babeltrace/compat/glib.h>
+
+#define BT_VALUE_FROM_CONCRETE(_concrete) ((struct bt_value *) (_concrete))
+#define BT_VALUE_TO_BOOL(_base) ((struct bt_value_bool *) (_base))
+#define BT_VALUE_TO_INTEGER(_base) ((struct bt_value_integer *) (_base))
+#define BT_VALUE_TO_FLOAT(_base) ((struct bt_value_float *) (_base))
+#define BT_VALUE_TO_STRING(_base) ((struct bt_value_string *) (_base))
+#define BT_VALUE_TO_ARRAY(_base) ((struct bt_value_array *) (_base))
+#define BT_VALUE_TO_MAP(_base) ((struct bt_value_map *) (_base))
+
+struct bt_value {
+ struct bt_object base;
+ enum bt_value_type type;
+ bool is_frozen;
+};
+
+static
+struct bt_value bt_value_null_instance = {
+ .type = BT_VALUE_TYPE_NULL,
+ .is_frozen = true,
+};
+
+struct bt_value *bt_value_null = &bt_value_null_instance;
+
+struct bt_value_bool {
+ struct bt_value base;
+ bool value;
+};
+
+struct bt_value_integer {
+ struct bt_value base;
+ int64_t value;
+};
+
+struct bt_value_float {
+ struct bt_value base;
+ double value;
+};
+
+struct bt_value_string {
+ struct bt_value base;
+ GString *gstr;
+};
+
+struct bt_value_array {
+ struct bt_value base;
+ GPtrArray *garray;
+};
+
+struct bt_value_map {
+ struct bt_value base;
+ GHashTable *ght;
+};
+
+static
+void bt_value_destroy(struct bt_object *obj);
+
+static
+void bt_value_string_destroy(struct bt_value *object)
+{
+ g_string_free(BT_VALUE_TO_STRING(object)->gstr, TRUE);
+}
+
+static
+void bt_value_array_destroy(struct bt_value *object)
+{
+ /*
+ * Pointer array's registered value destructor will take care
+ * of putting each contained object.
+ */
+ g_ptr_array_free(BT_VALUE_TO_ARRAY(object)->garray, TRUE);
+}
+
+static
+void bt_value_map_destroy(struct bt_value *object)
+{
+ /*
+ * Hash table's registered value destructor will take care of
+ * putting each contained object. Keys are GQuarks and cannot
+ * be destroyed anyway.
+ */
+ g_hash_table_destroy(BT_VALUE_TO_MAP(object)->ght);
+}
+
+static
+void (* const destroy_funcs[])(struct bt_value *) = {
+ [BT_VALUE_TYPE_NULL] = NULL,
+ [BT_VALUE_TYPE_BOOL] = NULL,
+ [BT_VALUE_TYPE_INTEGER] = NULL,
+ [BT_VALUE_TYPE_FLOAT] = NULL,
+ [BT_VALUE_TYPE_STRING] = bt_value_string_destroy,
+ [BT_VALUE_TYPE_ARRAY] = bt_value_array_destroy,
+ [BT_VALUE_TYPE_MAP] = bt_value_map_destroy,
+};
+
+static
+struct bt_value *bt_value_null_copy(const struct bt_value *null_obj)
+{
+ return bt_value_null;
+}
+
+static
+struct bt_value *bt_value_bool_copy(const struct bt_value *bool_obj)
+{
+ return bt_value_bool_create_init(BT_VALUE_TO_BOOL(bool_obj)->value);
+}
+
+static
+struct bt_value *bt_value_integer_copy(const struct bt_value *integer_obj)
+{
+ return bt_value_integer_create_init(
+ BT_VALUE_TO_INTEGER(integer_obj)->value);
+}
+
+static
+struct bt_value *bt_value_float_copy(const struct bt_value *float_obj)
+{
+ return bt_value_float_create_init(
+ BT_VALUE_TO_FLOAT(float_obj)->value);
+}
+
+static
+struct bt_value *bt_value_string_copy(const struct bt_value *string_obj)
+{
+ return bt_value_string_create_init(
+ BT_VALUE_TO_STRING(string_obj)->gstr->str);
+}
+
+static
+struct bt_value *bt_value_array_copy(const struct bt_value *array_obj)
+{
+ int i;
+ int ret;
+ struct bt_value *copy_obj;
+ struct bt_value_array *typed_array_obj;
+
+ typed_array_obj = BT_VALUE_TO_ARRAY(array_obj);
+ copy_obj = bt_value_array_create();
+
+ if (!copy_obj) {
+ goto end;
+ }
+
+ for (i = 0; i < typed_array_obj->garray->len; ++i) {
+ struct bt_value *element_obj_copy;
+ struct bt_value *element_obj = bt_value_array_get(array_obj, i);
+
+ if (!element_obj) {
+ BT_PUT(copy_obj);
+ goto end;
+ }
+
+ element_obj_copy = bt_value_copy(element_obj);
+ BT_PUT(element_obj);
+
+ if (!element_obj_copy) {
+ BT_PUT(copy_obj);
+ goto end;
+ }
+
+ ret = bt_value_array_append(copy_obj, element_obj_copy);
+ BT_PUT(element_obj_copy);
+
+ if (ret) {
+ BT_PUT(copy_obj);
+ goto end;
+ }
+ }
+
+end:
+ return copy_obj;
+}
+
+static
+struct bt_value *bt_value_map_copy(const struct bt_value *map_obj)
+{
+ int ret;
+ GHashTableIter iter;
+ gpointer key, element_obj;
+ struct bt_value *copy_obj;
+ struct bt_value *element_obj_copy;
+ struct bt_value_map *typed_map_obj;
+
+ typed_map_obj = BT_VALUE_TO_MAP(map_obj);
+ copy_obj = bt_value_map_create();
+
+ if (!copy_obj) {
+ goto end;
+ }
+
+ g_hash_table_iter_init(&iter, typed_map_obj->ght);
+
+ while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
+ const char *key_str = g_quark_to_string((unsigned long) key);
+
+ element_obj_copy = bt_value_copy(element_obj);
+
+ if (!element_obj_copy) {
+ BT_PUT(copy_obj);
+ goto end;
+ }
+
+ ret = bt_value_map_insert(copy_obj, key_str, element_obj_copy);
+ BT_PUT(element_obj_copy);
+
+ if (ret) {
+ BT_PUT(copy_obj);
+ goto end;
+ }
+ }
+
+end:
+ return copy_obj;
+}
+
+static
+struct bt_value *(* const copy_funcs[])(const struct bt_value *) = {
+ [BT_VALUE_TYPE_NULL] = bt_value_null_copy,
+ [BT_VALUE_TYPE_BOOL] = bt_value_bool_copy,
+ [BT_VALUE_TYPE_INTEGER] = bt_value_integer_copy,
+ [BT_VALUE_TYPE_FLOAT] = bt_value_float_copy,
+ [BT_VALUE_TYPE_STRING] = bt_value_string_copy,
+ [BT_VALUE_TYPE_ARRAY] = bt_value_array_copy,
+ [BT_VALUE_TYPE_MAP] = bt_value_map_copy,
+};
+
+static
+bool bt_value_null_compare(const struct bt_value *object_a,
+ const struct bt_value *object_b)
+{
+ /*
+ * Always true since bt_value_compare() already checks if both
+ * object_a and object_b have the same type, and in the case of
+ * null value objects, they're always the same if it is so.
+ */
+ return true;
+}
+
+static
+bool bt_value_bool_compare(const struct bt_value *object_a,
+ const struct bt_value *object_b)
+{
+ return BT_VALUE_TO_BOOL(object_a)->value ==
+ BT_VALUE_TO_BOOL(object_b)->value;
+}
+
+static
+bool bt_value_integer_compare(const struct bt_value *object_a,
+ const struct bt_value *object_b)
+{
+ return BT_VALUE_TO_INTEGER(object_a)->value ==
+ BT_VALUE_TO_INTEGER(object_b)->value;
+}
+
+static
+bool bt_value_float_compare(const struct bt_value *object_a,
+ const struct bt_value *object_b)
+{
+ return BT_VALUE_TO_FLOAT(object_a)->value ==
+ BT_VALUE_TO_FLOAT(object_b)->value;
+}
+
+static
+bool bt_value_string_compare(const struct bt_value *object_a,
+ const struct bt_value *object_b)
+{
+ return !strcmp(BT_VALUE_TO_STRING(object_a)->gstr->str,
+ BT_VALUE_TO_STRING(object_b)->gstr->str);
+}
+
+static
+bool bt_value_array_compare(const struct bt_value *object_a,
+ const struct bt_value *object_b)
+{
+ int i;
+ bool ret = true;
+ const struct bt_value_array *array_obj_a =
+ BT_VALUE_TO_ARRAY(object_a);
+
+ if (bt_value_array_size(object_a) != bt_value_array_size(object_b)) {
+ ret = false;
+ goto end;
+ }
+
+ for (i = 0; i < array_obj_a->garray->len; ++i) {
+ struct bt_value *element_obj_a;
+ struct bt_value *element_obj_b;
+
+ element_obj_a = bt_value_array_get(object_a, i);
+ element_obj_b = bt_value_array_get(object_b, i);
+
+ if (!bt_value_compare(element_obj_a, element_obj_b)) {
+ BT_PUT(element_obj_a);
+ BT_PUT(element_obj_b);
+ ret = false;
+ goto end;
+ }
+
+ BT_PUT(element_obj_a);
+ BT_PUT(element_obj_b);
+ }
+
+end:
+ return ret;
+}
+
+static
+bool bt_value_map_compare(const struct bt_value *object_a,
+ const struct bt_value *object_b)
+{
+ bool ret = true;
+ GHashTableIter iter;
+ gpointer key, element_obj_a;
+ const struct bt_value_map *map_obj_a = BT_VALUE_TO_MAP(object_a);
+
+ if (bt_value_map_size(object_a) != bt_value_map_size(object_b)) {
+ ret = false;
+ goto end;
+ }
+
+ g_hash_table_iter_init(&iter, map_obj_a->ght);
+
+ while (g_hash_table_iter_next(&iter, &key, &element_obj_a)) {
+ struct bt_value *element_obj_b;
+ const char *key_str = g_quark_to_string((unsigned long) key);
+
+ element_obj_b = bt_value_map_get(object_b, key_str);
+
+ if (!bt_value_compare(element_obj_a, element_obj_b)) {
+ BT_PUT(element_obj_b);
+ ret = false;
+ goto end;
+ }
+
+ BT_PUT(element_obj_b);
+ }
+
+end:
+ return ret;
+}
+
+static
+bool (* const compare_funcs[])(const struct bt_value *,
+ const struct bt_value *) = {
+ [BT_VALUE_TYPE_NULL] = bt_value_null_compare,
+ [BT_VALUE_TYPE_BOOL] = bt_value_bool_compare,
+ [BT_VALUE_TYPE_INTEGER] = bt_value_integer_compare,
+ [BT_VALUE_TYPE_FLOAT] = bt_value_float_compare,
+ [BT_VALUE_TYPE_STRING] = bt_value_string_compare,
+ [BT_VALUE_TYPE_ARRAY] = bt_value_array_compare,
+ [BT_VALUE_TYPE_MAP] = bt_value_map_compare,
+};
+
+void bt_value_null_freeze(struct bt_value *object)
+{
+}
+
+void bt_value_generic_freeze(struct bt_value *object)
+{
+ object->is_frozen = true;
+}
+
+void bt_value_array_freeze(struct bt_value *object)
+{
+ int i;
+ struct bt_value_array *typed_array_obj =
+ BT_VALUE_TO_ARRAY(object);
+
+ for (i = 0; i < typed_array_obj->garray->len; ++i) {
+ struct bt_value *element_obj =
+ g_ptr_array_index(typed_array_obj->garray, i);
+
+ bt_value_freeze(element_obj);
+ }
+
+ bt_value_generic_freeze(object);
+}
+
+void bt_value_map_freeze(struct bt_value *object)
+{
+ GHashTableIter iter;
+ gpointer key, element_obj;
+ const struct bt_value_map *map_obj = BT_VALUE_TO_MAP(object);
+
+ g_hash_table_iter_init(&iter, map_obj->ght);
+
+ while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
+ bt_value_freeze(element_obj);
+ }
+
+ bt_value_generic_freeze(object);
+}
+
+static
+void (* const freeze_funcs[])(struct bt_value *) = {
+ [BT_VALUE_TYPE_NULL] = bt_value_null_freeze,
+ [BT_VALUE_TYPE_BOOL] = bt_value_generic_freeze,
+ [BT_VALUE_TYPE_INTEGER] = bt_value_generic_freeze,
+ [BT_VALUE_TYPE_FLOAT] = bt_value_generic_freeze,
+ [BT_VALUE_TYPE_STRING] = bt_value_generic_freeze,
+ [BT_VALUE_TYPE_ARRAY] = bt_value_array_freeze,
+ [BT_VALUE_TYPE_MAP] = bt_value_map_freeze,
+};
+
+static
+void bt_value_destroy(struct bt_object *obj)
+{
+ struct bt_value *value;
+
+ value = container_of(obj, struct bt_value, base);
+ assert(value->type != BT_VALUE_TYPE_UNKNOWN);
+
+ if (bt_value_is_null(value)) {
+ return;
+ }
+
+ if (destroy_funcs[value->type]) {
+ destroy_funcs[value->type](value);
+ }
+
+ g_free(value);
+}
+
+enum bt_value_status bt_value_freeze(struct bt_value *object)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+
+ if (!object) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ freeze_funcs[object->type](object);
+
+end:
+ return ret;
+}
+
+bool bt_value_is_frozen(const struct bt_value *object)
+{
+ return object && object->is_frozen;
+}
+
+enum bt_value_type bt_value_get_type(const struct bt_value *object)
+{
+ if (!object) {
+ return BT_VALUE_TYPE_UNKNOWN;
+ }
+
+ return object->type;
+}
+
+static
+struct bt_value bt_value_create_base(enum bt_value_type type)
+{
+ struct bt_value base;
+
+ base.type = type;
+ base.is_frozen = false;
+ bt_object_init(&base, bt_value_destroy);
+
+ return base;
+}
+
+struct bt_value *bt_value_bool_create_init(bool val)
+{
+ struct bt_value_bool *bool_obj;
+
+ bool_obj = g_new0(struct bt_value_bool, 1);
+
+ if (!bool_obj) {
+ goto end;
+ }
+
+ bool_obj->base = bt_value_create_base(BT_VALUE_TYPE_BOOL);
+ bool_obj->value = val;
+
+end:
+ return BT_VALUE_FROM_CONCRETE(bool_obj);
+}
+
+struct bt_value *bt_value_bool_create(void)
+{
+ return bt_value_bool_create_init(false);
+}
+
+struct bt_value *bt_value_integer_create_init(int64_t val)
+{
+ struct bt_value_integer *integer_obj;
+
+ integer_obj = g_new0(struct bt_value_integer, 1);
+
+ if (!integer_obj) {
+ goto end;
+ }
+
+ integer_obj->base = bt_value_create_base(BT_VALUE_TYPE_INTEGER);
+ integer_obj->value = val;
+
+end:
+ return BT_VALUE_FROM_CONCRETE(integer_obj);
+}
+
+struct bt_value *bt_value_integer_create(void)
+{
+ return bt_value_integer_create_init(0);
+}
+
+struct bt_value *bt_value_float_create_init(double val)
+{
+ struct bt_value_float *float_obj;
+
+ float_obj = g_new0(struct bt_value_float, 1);
+
+ if (!float_obj) {
+ goto end;
+ }
+
+ float_obj->base = bt_value_create_base(BT_VALUE_TYPE_FLOAT);
+ float_obj->value = val;
+
+end:
+ return BT_VALUE_FROM_CONCRETE(float_obj);
+}
+
+struct bt_value *bt_value_float_create(void)
+{
+ return bt_value_float_create_init(0.);
+}
+
+struct bt_value *bt_value_string_create_init(const char *val)
+{
+ struct bt_value_string *string_obj = NULL;
+
+ if (!val) {
+ goto end;
+ }
+
+ string_obj = g_new0(struct bt_value_string, 1);
+
+ if (!string_obj) {
+ goto end;
+ }
+
+ string_obj->base = bt_value_create_base(BT_VALUE_TYPE_STRING);
+ string_obj->gstr = g_string_new(val);
+
+ if (!string_obj->gstr) {
+ g_free(string_obj);
+ string_obj = NULL;
+ goto end;
+ }
+
+end:
+ return BT_VALUE_FROM_CONCRETE(string_obj);
+}
+
+struct bt_value *bt_value_string_create(void)
+{
+ return bt_value_string_create_init("");
+}
+
+struct bt_value *bt_value_array_create(void)
+{
+ struct bt_value_array *array_obj;
+
+ array_obj = g_new0(struct bt_value_array, 1);
+
+ if (!array_obj) {
+ goto end;
+ }
+
+ array_obj->base = bt_value_create_base(BT_VALUE_TYPE_ARRAY);
+ array_obj->garray = babeltrace_g_ptr_array_new_full(0,
+ (GDestroyNotify) bt_put);
+
+ if (!array_obj->garray) {
+ g_free(array_obj);
+ array_obj = NULL;
+ goto end;
+ }
+
+end:
+ return BT_VALUE_FROM_CONCRETE(array_obj);
+}
+
+struct bt_value *bt_value_map_create(void)
+{
+ struct bt_value_map *map_obj;
+
+ map_obj = g_new0(struct bt_value_map, 1);
+
+ if (!map_obj) {
+ goto end;
+ }
+
+ map_obj->base = bt_value_create_base(BT_VALUE_TYPE_MAP);
+ map_obj->ght = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+ NULL, (GDestroyNotify) bt_put);
+
+ if (!map_obj->ght) {
+ g_free(map_obj);
+ map_obj = NULL;
+ goto end;
+ }
+
+end:
+ return BT_VALUE_FROM_CONCRETE(map_obj);
+}
+
+enum bt_value_status bt_value_bool_get(const struct bt_value *bool_obj,
+ bool *val)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_bool *typed_bool_obj = BT_VALUE_TO_BOOL(bool_obj);
+
+ if (!bool_obj || !bt_value_is_bool(bool_obj) || !val) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ *val = typed_bool_obj->value;
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_bool_set(struct bt_value *bool_obj, bool val)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_bool *typed_bool_obj = BT_VALUE_TO_BOOL(bool_obj);
+
+ if (!bool_obj || !bt_value_is_bool(bool_obj)) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ if (bool_obj->is_frozen) {
+ ret = BT_VALUE_STATUS_FROZEN;
+ goto end;
+ }
+
+ typed_bool_obj->value = val;
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_integer_get(const struct bt_value *integer_obj,
+ int64_t *val)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_integer *typed_integer_obj =
+ BT_VALUE_TO_INTEGER(integer_obj);
+
+ if (!integer_obj || !bt_value_is_integer(integer_obj) || !val) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ *val = typed_integer_obj->value;
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_integer_set(struct bt_value *integer_obj,
+ int64_t val)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_integer *typed_integer_obj =
+ BT_VALUE_TO_INTEGER(integer_obj);
+
+ if (!integer_obj || !bt_value_is_integer(integer_obj)) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ if (integer_obj->is_frozen) {
+ ret = BT_VALUE_STATUS_FROZEN;
+ goto end;
+ }
+
+ typed_integer_obj->value = val;
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_float_get(const struct bt_value *float_obj,
+ double *val)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_float *typed_float_obj =
+ BT_VALUE_TO_FLOAT(float_obj);
+
+ if (!float_obj || !bt_value_is_float(float_obj) || !val) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ *val = typed_float_obj->value;
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_float_set(struct bt_value *float_obj,
+ double val)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_float *typed_float_obj =
+ BT_VALUE_TO_FLOAT(float_obj);
+
+ if (!float_obj || !bt_value_is_float(float_obj)) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ if (float_obj->is_frozen) {
+ ret = BT_VALUE_STATUS_FROZEN;
+ goto end;
+ }
+
+ typed_float_obj->value = val;
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_string_get(const struct bt_value *string_obj,
+ const char **val)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_string *typed_string_obj =
+ BT_VALUE_TO_STRING(string_obj);
+
+ if (!string_obj || !bt_value_is_string(string_obj) || !val) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ *val = typed_string_obj->gstr->str;
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_string_set(struct bt_value *string_obj,
+ const char *val)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_string *typed_string_obj =
+ BT_VALUE_TO_STRING(string_obj);
+
+ if (!string_obj || !bt_value_is_string(string_obj) || !val) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ if (string_obj->is_frozen) {
+ ret = BT_VALUE_STATUS_FROZEN;
+ goto end;
+ }
+
+ g_string_assign(typed_string_obj->gstr, val);
+
+end:
+ return ret;
+}
+
+int bt_value_array_size(const struct bt_value *array_obj)
+{
+ int ret;
+ struct bt_value_array *typed_array_obj =
+ BT_VALUE_TO_ARRAY(array_obj);
+
+ if (!array_obj || !bt_value_is_array(array_obj)) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ ret = (int) typed_array_obj->garray->len;
+
+end:
+ return ret;
+}
+
+bool bt_value_array_is_empty(const struct bt_value *array_obj)
+{
+ return bt_value_array_size(array_obj) == 0;
+}
+
+struct bt_value *bt_value_array_get(const struct bt_value *array_obj,
+ size_t index)
+{
+ struct bt_value *ret;
+ struct bt_value_array *typed_array_obj =
+ BT_VALUE_TO_ARRAY(array_obj);
+
+ if (!array_obj || !bt_value_is_array(array_obj) ||
+ index >= typed_array_obj->garray->len) {
+ ret = NULL;
+ goto end;
+ }
+
+ ret = g_ptr_array_index(typed_array_obj->garray, index);
+ bt_get(ret);
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_array_append(struct bt_value *array_obj,
+ struct bt_value *element_obj)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_array *typed_array_obj =
+ BT_VALUE_TO_ARRAY(array_obj);
+
+ if (!array_obj || !bt_value_is_array(array_obj) || !element_obj) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ if (array_obj->is_frozen) {
+ ret = BT_VALUE_STATUS_FROZEN;
+ goto end;
+ }
+
+ g_ptr_array_add(typed_array_obj->garray, element_obj);
+ bt_get(element_obj);
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_array_append_bool(struct bt_value *array_obj,
+ bool val)
+{
+ enum bt_value_status ret;
+ struct bt_value *bool_obj = NULL;
+
+ bool_obj = bt_value_bool_create_init(val);
+ ret = bt_value_array_append(array_obj, bool_obj);
+ bt_put(bool_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_array_append_integer(
+ struct bt_value *array_obj, int64_t val)
+{
+ enum bt_value_status ret;
+ struct bt_value *integer_obj = NULL;
+
+ integer_obj = bt_value_integer_create_init(val);
+ ret = bt_value_array_append(array_obj, integer_obj);
+ bt_put(integer_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_array_append_float(struct bt_value *array_obj,
+ double val)
+{
+ enum bt_value_status ret;
+ struct bt_value *float_obj = NULL;
+
+ float_obj = bt_value_float_create_init(val);
+ ret = bt_value_array_append(array_obj, float_obj);
+ bt_put(float_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_array_append_string(struct bt_value *array_obj,
+ const char *val)
+{
+ enum bt_value_status ret;
+ struct bt_value *string_obj = NULL;
+
+ string_obj = bt_value_string_create_init(val);
+ ret = bt_value_array_append(array_obj, string_obj);
+ bt_put(string_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_array_append_empty_array(
+ struct bt_value *array_obj)
+{
+ enum bt_value_status ret;
+ struct bt_value *empty_array_obj = NULL;
+
+ empty_array_obj = bt_value_array_create();
+ ret = bt_value_array_append(array_obj, empty_array_obj);
+ bt_put(empty_array_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_array_append_empty_map(struct bt_value *array_obj)
+{
+ enum bt_value_status ret;
+ struct bt_value *map_obj = NULL;
+
+ map_obj = bt_value_map_create();
+ ret = bt_value_array_append(array_obj, map_obj);
+ bt_put(map_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_array_set(struct bt_value *array_obj,
+ size_t index, struct bt_value *element_obj)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_array *typed_array_obj =
+ BT_VALUE_TO_ARRAY(array_obj);
+
+ if (!array_obj || !bt_value_is_array(array_obj) || !element_obj ||
+ index >= typed_array_obj->garray->len) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ if (array_obj->is_frozen) {
+ ret = BT_VALUE_STATUS_FROZEN;
+ goto end;
+ }
+
+ bt_put(g_ptr_array_index(typed_array_obj->garray, index));
+ g_ptr_array_index(typed_array_obj->garray, index) = element_obj;
+ bt_get(element_obj);
+
+end:
+ return ret;
+}
+
+int bt_value_map_size(const struct bt_value *map_obj)
+{
+ int ret;
+ struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj);
+
+ if (!map_obj || !bt_value_is_map(map_obj)) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ ret = (int) g_hash_table_size(typed_map_obj->ght);
+
+end:
+ return ret;
+}
+
+bool bt_value_map_is_empty(const struct bt_value *map_obj)
+{
+ return bt_value_map_size(map_obj) == 0;
+}
+
+struct bt_value *bt_value_map_get(const struct bt_value *map_obj,
+ const char *key)
+{
+ GQuark quark;
+ struct bt_value *ret;
+ struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj);
+
+ if (!map_obj || !bt_value_is_map(map_obj) || !key) {
+ ret = NULL;
+ goto end;
+ }
+
+ quark = g_quark_from_string(key);
+ ret = g_hash_table_lookup(typed_map_obj->ght, GUINT_TO_POINTER(quark));
+
+ if (ret) {
+ bt_get(ret);
+ }
+
+end:
+ return ret;
+}
+
+bool bt_value_map_has_key(const struct bt_value *map_obj, const char *key)
+{
+ bool ret;
+ GQuark quark;
+ struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj);
+
+ if (!map_obj || !bt_value_is_map(map_obj) || !key) {
+ ret = false;
+ goto end;
+ }
+
+ quark = g_quark_from_string(key);
+ ret = babeltrace_g_hash_table_contains(typed_map_obj->ght,
+ GUINT_TO_POINTER(quark));
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_map_insert(struct bt_value *map_obj,
+ const char *key, struct bt_value *element_obj)
+{
+ GQuark quark;
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj);
+
+ if (!map_obj || !bt_value_is_map(map_obj) || !key || !element_obj) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ if (map_obj->is_frozen) {
+ ret = BT_VALUE_STATUS_FROZEN;
+ goto end;
+ }
+
+ quark = g_quark_from_string(key);
+ g_hash_table_insert(typed_map_obj->ght,
+ GUINT_TO_POINTER(quark), element_obj);
+ bt_get(element_obj);
+
+end:
+ return ret;
+}
+
+enum bt_value_status bt_value_map_insert_bool(struct bt_value *map_obj,
+ const char *key, bool val)
+{
+ enum bt_value_status ret;
+ struct bt_value *bool_obj = NULL;
+
+ bool_obj = bt_value_bool_create_init(val);
+ ret = bt_value_map_insert(map_obj, key, bool_obj);
+ bt_put(bool_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_map_insert_integer(struct bt_value *map_obj,
+ const char *key, int64_t val)
+{
+ enum bt_value_status ret;
+ struct bt_value *integer_obj = NULL;
+
+ integer_obj = bt_value_integer_create_init(val);
+ ret = bt_value_map_insert(map_obj, key, integer_obj);
+ bt_put(integer_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_map_insert_float(struct bt_value *map_obj,
+ const char *key, double val)
+{
+ enum bt_value_status ret;
+ struct bt_value *float_obj = NULL;
+
+ float_obj = bt_value_float_create_init(val);
+ ret = bt_value_map_insert(map_obj, key, float_obj);
+ bt_put(float_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_map_insert_string(struct bt_value *map_obj,
+ const char *key, const char *val)
+{
+ enum bt_value_status ret;
+ struct bt_value *string_obj = NULL;
+
+ string_obj = bt_value_string_create_init(val);
+ ret = bt_value_map_insert(map_obj, key, string_obj);
+ bt_put(string_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_map_insert_empty_array(struct bt_value *map_obj,
+ const char *key)
+{
+ enum bt_value_status ret;
+ struct bt_value *array_obj = NULL;
+
+ array_obj = bt_value_array_create();
+ ret = bt_value_map_insert(map_obj, key, array_obj);
+ bt_put(array_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_map_insert_empty_map(struct bt_value *map_obj,
+ const char *key)
+{
+ enum bt_value_status ret;
+ struct bt_value *empty_map_obj = NULL;
+
+ empty_map_obj = bt_value_map_create();
+ ret = bt_value_map_insert(map_obj, key, empty_map_obj);
+ bt_put(empty_map_obj);
+
+ return ret;
+}
+
+enum bt_value_status bt_value_map_foreach(const struct bt_value *map_obj,
+ bt_value_map_foreach_cb cb, void *data)
+{
+ enum bt_value_status ret = BT_VALUE_STATUS_OK;
+ gpointer key, element_obj;
+ GHashTableIter iter;
+ struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj);
+
+ if (!map_obj || !bt_value_is_map(map_obj) || !cb) {
+ ret = BT_VALUE_STATUS_INVAL;
+ goto end;
+ }
+
+ g_hash_table_iter_init(&iter, typed_map_obj->ght);
+
+ while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
+ const char *key_str = g_quark_to_string((unsigned long) key);
+
+ if (!cb(key_str, element_obj, data)) {
+ ret = BT_VALUE_STATUS_CANCELLED;
+ break;
+ }
+ }
+
+end:
+ return ret;
+}
+
+struct bt_value *bt_value_copy(const struct bt_value *object)
+{
+ struct bt_value *copy_obj = NULL;
+
+ if (!object) {
+ goto end;
+ }
+
+ copy_obj = copy_funcs[object->type](object);
+
+end:
+ return copy_obj;
+}
+
+bool bt_value_compare(const struct bt_value *object_a,
+ const struct bt_value *object_b)
+{
+ bool ret = false;
+
+ if (!object_a || !object_b) {
+ goto end;
+ }
+
+ if (object_a->type != object_b->type) {
+ goto end;
+ }
+
+ ret = compare_funcs[object_a->type](object_a, object_b);
+
+end:
+ return ret;
+}
projects / babeltrace.git / blobdiff