}
}
+struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_type *ret = NULL;
+
+ if (!field) {
+ goto end;
+ }
+
+ ret = field->type;
+ bt_ctf_field_type_get(ret);
+end:
+ return ret;
+}
+
+struct bt_ctf_field *bt_ctf_field_sequence_get_length(
+ struct bt_ctf_field *field)
+{
+ struct bt_ctf_field *ret = NULL;
+ struct bt_ctf_field_sequence *sequence;
+
+ if (!field) {
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_SEQUENCE) {
+ goto end;
+ }
+
+ sequence = container_of(field, struct bt_ctf_field_sequence, parent);
+ ret = sequence->length;
+ bt_ctf_field_get(ret);
+end:
+ return ret;
+}
+
int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field,
struct bt_ctf_field *length_field)
{
return new_field;
}
+struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index(
+ struct bt_ctf_field *field, size_t index)
+{
+ int ret;
+ const char *field_name;
+ struct bt_ctf_field_structure *structure;
+ struct bt_ctf_field_type *structure_type;
+ struct bt_ctf_field_type *field_type = NULL;
+ struct bt_ctf_field *ret_field = NULL;
+
+ if (!field ||
+ bt_ctf_field_type_get_type_id(field->type) != CTF_TYPE_STRUCT) {
+ goto end;
+ }
+
+ structure = container_of(field, struct bt_ctf_field_structure, parent);
+ if (index >= structure->fields->len) {
+ goto error;
+ }
+
+ ret_field = structure->fields->pdata[index];
+ if (ret_field) {
+ goto end;
+ }
+
+ /* Field has not been instanciated yet, create it */
+ structure_type = bt_ctf_field_get_type(field);
+ if (!structure_type) {
+ goto error;
+ }
+
+ ret = bt_ctf_field_type_structure_get_field(structure_type,
+ &field_name, &field_type, index);
+ bt_ctf_field_type_put(structure_type);
+ if (ret) {
+ goto error;
+ }
+
+ ret_field = bt_ctf_field_create(field_type);
+ if (!ret_field) {
+ goto error;
+ }
+
+ structure->fields->pdata[index] = ret_field;
+end:
+ bt_ctf_field_get(ret_field);
+error:
+ if (field_type) {
+ bt_ctf_field_type_put(field_type);
+ }
+ return ret_field;
+}
+
BT_HIDDEN
int bt_ctf_field_structure_set_field(struct bt_ctf_field *field,
const char *name, struct bt_ctf_field *value)
return container;
}
+const char *bt_ctf_field_enumeration_get_mapping_name(
+ struct bt_ctf_field *field)
+{
+ int ret;
+ const char *name = NULL;
+ struct bt_ctf_field *container = NULL;
+ struct bt_ctf_field_type *container_type = NULL;
+ struct bt_ctf_field_type_integer *integer_type = NULL;
+ struct bt_ctf_field_type_enumeration *enumeration_type = NULL;
+
+ container = bt_ctf_field_enumeration_get_container(field);
+ if (!container) {
+ goto end;
+ }
+
+ container_type = bt_ctf_field_get_type(container);
+ if (!container_type) {
+ goto error_put_container;
+ }
+
+ integer_type = container_of(container_type,
+ struct bt_ctf_field_type_integer, parent);
+ enumeration_type = container_of(field->type,
+ struct bt_ctf_field_type_enumeration, parent);
+
+ if (integer_type->declaration.signedness) {
+ uint64_t value;
+ ret = bt_ctf_field_unsigned_integer_get_value(container,
+ &value);
+ if (ret) {
+ goto error_put_container_type;
+ }
+
+ name = bt_ctf_field_type_enumeration_get_mapping_name_unsigned(
+ enumeration_type, value);
+ } else {
+ int64_t value;
+ ret = bt_ctf_field_signed_integer_get_value(container,
+ &value);
+ if (ret) {
+ goto error_put_container_type;
+ }
+
+ name = bt_ctf_field_type_enumeration_get_mapping_name_signed(
+ enumeration_type, value);
+ }
+
+error_put_container_type:
+ bt_ctf_field_type_put(container_type);
+error_put_container:
+ bt_ctf_field_put(container);
+end:
+ return name;
+}
+
+int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field,
+ int64_t *value)
+{
+ int ret = 0;
+ struct bt_ctf_field_integer *integer;
+ struct bt_ctf_field_type_integer *integer_type;
+
+ if (!field || !value || !field->payload_set ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ integer_type = container_of(field->type,
+ struct bt_ctf_field_type_integer, parent);
+ if (!integer_type->declaration.signedness) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(field,
+ struct bt_ctf_field_integer, parent);
+ *value = integer->definition.value._signed;
+end:
+ return ret;
+}
+
int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field,
int64_t value)
{
return ret;
}
+int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field,
+ uint64_t *value)
+{
+ int ret = 0;
+ struct bt_ctf_field_integer *integer;
+ struct bt_ctf_field_type_integer *integer_type;
+
+ if (!field || !value || !field->payload_set ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ integer_type = container_of(field->type,
+ struct bt_ctf_field_type_integer, parent);
+ if (integer_type->declaration.signedness) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(field,
+ struct bt_ctf_field_integer, parent);
+ *value = integer->definition.value._unsigned;
+end:
+ return ret;
+}
+
int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field,
uint64_t value)
{
return ret;
}
+int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field,
+ double *value)
+{
+ int ret = 0;
+ struct bt_ctf_field_floating_point *floating_point;
+
+ if (!field || !value || !field->payload_set ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_FLOAT) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point = container_of(field,
+ struct bt_ctf_field_floating_point, parent);
+ *value = floating_point->definition.value;
+end:
+ return ret;
+}
+
int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field,
double value)
{
return ret;
}
+const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field)
+{
+ const char *ret = NULL;
+ struct bt_ctf_field_string *string;
+
+ if (!field || !field->payload_set ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_STRING) {
+ goto end;
+ }
+
+ string = container_of(field,
+ struct bt_ctf_field_string, parent);
+ ret = string->payload->str;
+end:
+ return ret;
+}
+
int bt_ctf_field_string_set_value(struct bt_ctf_field *field,
const char *value)
{
*/
#include <stdint.h>
+#include <stddef.h>
#ifdef __cplusplus
extern "C" {
extern struct bt_ctf_field *bt_ctf_field_structure_get_field(
struct bt_ctf_field *structure, const char *name);
+/*
+ * bt_ctf_field_structure_get_field_by_index: get a structure's field by index.
+ *
+ * Get the structure's field corresponding to the provided field name.
+ * bt_ctf_field_put() must be called on the returned value.
+ * The indexes are the same as those provided for bt_ctf_field_type_structure.
+ *
+ * @param structure Structure field instance.
+ * @param index Index of the field in the provided structure.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index(
+ struct bt_ctf_field *structure, size_t index);
+
/*
* bt_ctf_field_array_get_field: get an array's field at position "index".
*
extern struct bt_ctf_field *bt_ctf_field_array_get_field(
struct bt_ctf_field *array, uint64_t index);
+/*
+ * bt_ctf_field_sequence_get_length: get a sequence's length.
+ *
+ * Get the sequence's length field.
+ *
+ * @param sequence Sequence field instance.
+ *
+ * Returns a field instance on success, NULL if a length was never set.
+ */
+extern struct bt_ctf_field *bt_ctf_field_sequence_get_length(
+ struct bt_ctf_field *sequence);
+
/*
* bt_ctf_field_sequence_set_length: set a sequence's length.
*
* @param sequence Sequence field instance.
* @param length_field Integer field instance indicating the sequence's length.
*
- * Returns a field instance on success, NULL on error.
+ * Returns 0 on success, a negative value on error.
*/
extern int bt_ctf_field_sequence_set_length(struct bt_ctf_field *sequence,
struct bt_ctf_field *length_field);
extern struct bt_ctf_field *bt_ctf_field_enumeration_get_container(
struct bt_ctf_field *enumeration);
+/*
+ * bt_ctf_field_enumeration_get_mapping_name: get an enumeration field's mapping
+ * name.
+ *
+ * Return the enumeration's underlying container field (an integer).
+ * bt_ctf_field_put() must be called on the returned value.
+ *
+ * @param enumeration Enumeration field instance.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern const char *bt_ctf_field_enumeration_get_mapping_name(
+ struct bt_ctf_field *enumeration);
+
+/*
+ * bt_ctf_field_signed_integer_get_value: get a signed integer field's value
+ *
+ * Get a signed integer field's value.
+ *
+ * @param integer Signed integer field instance.
+ * @param value Pointer to a signed integer where the value will be stored.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *integer,
+ int64_t *value);
+
/*
* bt_ctf_field_signed_integer_set_value: set a signed integer field's value
*
extern int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *integer,
int64_t value);
+/*
+ * bt_ctf_field_unsigned_integer_get_value: get unsigned integer field's value
+ *
+ * Get an unsigned integer field's value.
+ *
+ * @param integer Unsigned integer field instance.
+ * @param value Pointer to an unsigned integer where the value will be stored.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *integer,
+ uint64_t *value);
+
/*
* bt_ctf_field_unsigned_integer_set_value: set unsigned integer field's value
*
extern int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *integer,
uint64_t value);
+/*
+ * bt_ctf_field_floating_point_get_value: get a floating point field's value
+ *
+ * Get a floating point field's value.
+ *
+ * @param floating_point Floating point field instance.
+ * @param value Pointer to a double where the value will be stored.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_floating_point_get_value(
+ struct bt_ctf_field *floating_point, double *value);
+
/*
* bt_ctf_field_floating_point_set_value: set a floating point field's value
*
struct bt_ctf_field *floating_point,
double value);
+/*
+ * bt_ctf_field_string_get_value: get a string field's value
+ *
+ * Get a string field's value.
+ *
+ * @param string_field String field instance.
+ *
+ * Returns the string's value, NULL if unset.
+ */
+extern const char *bt_ctf_field_string_get_value(
+ struct bt_ctf_field *string_field);
+
/*
* bt_ctf_field_string_set_value: set a string field's value
*
* Set a string field's value.
*
- * @param string String field instance.
+ * @param string_field String field instance.
* @param value String field value (will be copied).
*
* Returns 0 on success, a negative value on error.
*/
-extern int bt_ctf_field_string_set_value(struct bt_ctf_field *string,
+extern int bt_ctf_field_string_set_value(struct bt_ctf_field *string_field,
const char *value);
+/*
+ * bt_ctf_field_get_type: get a field's type
+ *
+ * @param field Field intance.
+ *
+ * Returns a field type instance on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_get_type(
+ struct bt_ctf_field *field);
+
/*
* bt_ctf_field_get and bt_ctf_field_put: increment and decrement the
* field's reference count.
struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
*inner_structure_field, *complex_structure_field,
*a_sequence_field, *enum_variant_field, *enum_container_field,
- *variant_field;
+ *variant_field, *ret_field;
bt_ctf_field_type_set_alignment(int_16_type, 32);
bt_ctf_field_type_integer_set_signed(int_16_type, 1);
SEQUENCE_TEST_LENGTH);
ok(bt_ctf_field_sequence_set_length(a_sequence_field,
uint_35_field) == 0, "Set a sequence field's length");
+ ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
+ ok(ret_field == uint_35_field,
+ "bt_ctf_field_sequence_get_length returns the correct length field");
+ ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
+ "bt_ctf_field_sequence_get_length properly handles NULL");
for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
int_16_field = bt_ctf_field_sequence_get_field(
bt_ctf_field_put(enum_variant_field);
bt_ctf_field_put(enum_container_field);
bt_ctf_field_put(variant_field);
+ bt_ctf_field_put(ret_field);
bt_ctf_field_type_put(uint_35_type);
bt_ctf_field_type_put(int_16_type);
bt_ctf_field_type_put(string_type);
projects / babeltrace.git / commitdiff
