*/
#include <stdint.h>
-#include <stddef.h>
+
+/* For bt_bool */
+#include <babeltrace/types.h>
+
+/* For enum bt_field_type_id */
+#include <babeltrace/ctf-ir/field-types.h>
#ifdef __cplusplus
extern "C" {
#endif
-struct bt_ctf_event_class;
-struct bt_ctf_event;
-struct bt_ctf_field;
-struct bt_ctf_field_type;
-
-/*
- * bt_ctf_field_create: create an instance of a field.
- *
- * Allocate a new field of the type described by the bt_ctf_field_type
- * structure.The creation of a field sets its reference count to 1.
- *
- * @param type Field type to be instanciated.
- *
- * Returns an allocated field on success, NULL on error.
- */
-extern struct bt_ctf_field *bt_ctf_field_create(
- struct bt_ctf_field_type *type);
-
-/*
- * bt_ctf_field_structure_get_field: get a structure's field.
- *
- * Get the structure's field corresponding to the provided field name.
- * bt_ctf_field_put() must be called on the returned value.
- *
- * @param structure Structure field instance.
- * @param name Name 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(
- 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, int index);
-
-/*
- * bt_ctf_field_array_get_field: get an array's field at position "index".
- *
- * Return the array's field at position "index". bt_ctf_field_put() must be
- * called on the returned value.
- *
- * @param array Array field instance.
- * @param index Position of the array's desired element.
- *
- * Returns a field instance on success, NULL on error.
- */
-extern struct bt_ctf_field *bt_ctf_field_array_get_field(
- struct bt_ctf_field *array, uint64_t index);
+struct bt_field;
+struct bt_field_type;
+struct bt_field_type_enumeration_mapping_iterator;
-/*
- * 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);
+extern struct bt_field_type *bt_field_borrow_type(struct bt_field *field);
-/*
- * bt_ctf_field_sequence_set_length: set a sequence's length.
- *
- * Set the sequence's length field.
- *
- * @param sequence Sequence field instance.
- * @param length_field Unsigned integer field instance indicating the
- * sequence's length.
- *
- * 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 enum bt_field_type_id bt_field_get_type_id(struct bt_field *field);
-/*
- * bt_ctf_field_sequence_get_field: get a sequence's field at position "index".
- *
- * Return the sequence's field at position "index". The sequence's length must
- * have been set prior to calling this function using
- * bt_ctf_field_sequence_set_length().
- * bt_ctf_field_put() must be called on the returned value.
- *
- * @param array Sequence field instance.
- * @param index Position of the sequence's desired element.
- *
- * Returns a field instance on success, NULL on error.
- */
-extern struct bt_ctf_field *bt_ctf_field_sequence_get_field(
- struct bt_ctf_field *sequence, uint64_t index);
+extern int64_t bt_field_signed_integer_get_value(struct bt_field *field);
-/*
- * bt_ctf_field_variant_get_field: get a variant's selected field.
- *
- * Return the variant's selected field. The "tag" field is the selector enum
- * field. bt_ctf_field_put() must be called on the returned value.
- *
- * @param variant Variant field instance.
- * @param tag Selector enumeration field.
- *
- * Returns a field instance on success, NULL on error.
- */
-extern struct bt_ctf_field *bt_ctf_field_variant_get_field(
- struct bt_ctf_field *variant, struct bt_ctf_field *tag);
-
-/*
- * bt_ctf_field_variant_get_current_field: get the current selected field of a
- * variant.
- *
- * Return the variant's current selected field. This function, unlike
- * bt_ctf_field_variant_get_field(), does not create any field; it
- * returns NULL if there's no current selected field yet.
- *
- * @param variant Variant field instance.
- *
- * Returns a field instance on success, NULL on error or when there's no
- * current selected field.
- */
-extern struct bt_ctf_field *bt_ctf_field_variant_get_current_field(
- struct bt_ctf_field *variant);
-
-/*
- * bt_ctf_field_enumeration_get_container: get an enumeration field's container.
- *
- * 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 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
- *
- * Set a signed integer field's value. The value is checked to make sure it
- * can be stored in the underlying field.
- *
- * @param integer Signed integer field instance.
- * @param value Signed integer field value.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *integer,
+extern void bt_field_signed_integer_set_value(struct bt_field *field,
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);
+extern uint64_t bt_field_unsigned_integer_get_value(struct bt_field *field);
-/*
- * bt_ctf_field_unsigned_integer_set_value: set unsigned integer field's value
- *
- * Set an unsigned integer field's value. The value is checked to make sure it
- * can be stored in the underlying field.
- *
- * @param integer Unsigned integer field instance.
- * @param value Unsigned integer field value.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *integer,
+extern void bt_field_unsigned_integer_set_value(struct bt_field *field,
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);
+extern double bt_field_real_get_value(struct bt_field *field);
-/*
- * bt_ctf_field_floating_point_set_value: set a floating point field's value
- *
- * Set a floating point field's value. The underlying type may not support the
- * double's full precision.
- *
- * @param floating_point Floating point field instance.
- * @param value Floating point field value.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_field_floating_point_set_value(
- struct bt_ctf_field *floating_point,
- double value);
+extern void bt_field_real_set_value(struct bt_field *field, 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);
+extern int bt_field_unsigned_enumeration_get_mapping_labels(
+ struct bt_field *field,
+ bt_field_type_enumeration_mapping_label_array *label_array,
+ uint64_t *count);
-/*
- * bt_ctf_field_string_set_value: set a string field's value
- *
- * Set a string field's value.
- *
- * @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_field,
- const char *value);
+extern int bt_field_signed_enumeration_get_mapping_labels(
+ struct bt_field *field,
+ bt_field_type_enumeration_mapping_label_array *label_array,
+ uint64_t *count);
-/*
- * bt_ctf_field_string_append: append a string to a string field's
- * current value.
- *
- * Append a string to the current value of a string field. If the string
- * field was never set using bt_ctf_field_string_set_value(), it is
- * first set to an empty string, and then the concatenation happens.
- *
- * @param string_field String field instance.
- * @param value String to append to the current string field's value.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_field_string_append(struct bt_ctf_field *string_field,
- const char *value);
+extern const char *bt_field_string_get_value(struct bt_field *field);
-/*
- * bt_ctf_field_string_append_len: append a string of a given length to
- * a string field's current value.
- *
- * Append a string of a given length to the current value of a string
- * field. If the string field was never set using
- * bt_ctf_field_string_set_value(), it is first set to an empty string,
- * and then the concatenation happens.
- *
- * If a null byte is encountered before the given length, only the
- * substring before the first null byte is appended.
- *
- * @param string_field String field instance.
- * @param value String to append to the current string field's value.
- * @param length Length of string value to append.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_field_string_append_len(
- struct bt_ctf_field *string_field, const char *value,
- unsigned int length);
+extern uint64_t bt_field_string_get_length(struct bt_field *field);
-/*
- * 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);
+extern int bt_field_string_set_value(struct bt_field *field, const char *value);
-/*
- * bt_ctf_field_get_type_id: get a field's ctf_type_id.
- *
- * This is a helper function which avoids a call to
- * bt_ctf_field_get_type(), followed by a call to
- * bt_ctf_field_type_get_type_id(), followed by a call to
- * bt_ctf_put().
- *
- * @param field Field instance.
- *
- * Returns the field's ctf_type_id, CTF_TYPE_UNKNOWN on error.
- */
-extern enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field);
+extern int bt_field_string_append(struct bt_field *field, const char *value);
-/*
- * bt_ctf_field_is_integer: returns whether or not a given field
- * is an integer type.
- *
- * @param field Field instance.
- *
- * Returns 1 if the field instance is an integer type, 0 otherwise.
- */
-extern int bt_ctf_field_is_integer(struct bt_ctf_field *field);
+extern int bt_field_string_append_with_length(struct bt_field *field,
+ const char *value, uint64_t length);
-/*
- * bt_ctf_field_is_floating_point: returns whether or not a given field
- * is a floating point number type.
- *
- * @param field Field instance.
- *
- * Returns 1 if the field instance is a floating point number type, 0 otherwise.
- */
-extern int bt_ctf_field_is_floating_point(struct bt_ctf_field *field);
+extern int bt_field_string_clear(struct bt_field *field);
-/*
- * bt_ctf_field_is_enumeration: returns whether or not a given field
- * is an enumeration type.
- *
- * @param field Field instance.
- *
- * Returns 1 if the field instance is an enumeration type, 0 otherwise.
- */
-extern int bt_ctf_field_is_enumeration(struct bt_ctf_field *field);
+extern struct bt_field *bt_field_structure_borrow_member_field_by_index(
+ struct bt_field *field, uint64_t index);
-/*
- * bt_ctf_field_is_string: returns whether or not a given field
- * is a string type.
- *
- * @param field Field instance.
- *
- * Returns 1 if the field instance is a string type, 0 otherwise.
- */
-extern int bt_ctf_field_is_string(struct bt_ctf_field *field);
+extern struct bt_field *bt_field_structure_borrow_member_field_by_name(
+ struct bt_field *field, const char *name);
-/*
- * bt_ctf_field_is_structure: returns whether or not a given field
- * is a structure type.
- *
- * @param field Field instance.
- *
- * Returns 1 if the field instance is a structure type, 0 otherwise.
- */
-extern int bt_ctf_field_is_structure(struct bt_ctf_field *field);
+extern uint64_t bt_field_array_get_length(struct bt_field *field);
-/*
- * bt_ctf_field_is_array: returns whether or not a given field
- * is an array type.
- *
- * @param field Field instance.
- *
- * Returns 1 if the field instance is an array type, 0 otherwise.
- */
-extern int bt_ctf_field_is_array(struct bt_ctf_field *field);
+extern struct bt_field *bt_field_array_borrow_element_field_by_index(
+ struct bt_field *field, uint64_t index);
-/*
- * bt_ctf_field_is_sequence: returns whether or not a given field
- * is a sequence type.
- *
- * @param field Field instance.
- *
- * Returns 1 if the field instance is a sequence type, 0 otherwise.
- */
-extern int bt_ctf_field_is_sequence(struct bt_ctf_field *field);
+extern int bt_field_dynamic_array_set_length(struct bt_field *field,
+ uint64_t length);
-/*
- * bt_ctf_field_is_variant: returns whether or not a given field
- * is a variant type.
- *
- * @param field Field instance.
- *
- * Returns 1 if the field instance is a variant type, 0 otherwise.
- */
-extern int bt_ctf_field_is_variant(struct bt_ctf_field *field);
+extern int bt_field_variant_select_option_field(struct bt_field *field,
+ uint64_t index);
-/*
- * bt_ctf_field_copy: get a field's deep copy.
- *
- * Get a field's deep copy. The created field copy shares the source's
- * associated field types.
- *
- * On success, the returned copy has its reference count set to 1.
- *
- * @param field Field instance.
- *
- * Returns the field copy on success, NULL on error.
- */
-extern struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field);
+extern uint64_t bt_field_variant_get_selected_option_field_index(
+ struct bt_field *field);
+
+extern struct bt_field *bt_field_variant_borrow_selected_option_field(
+ struct bt_field *field);
#ifdef __cplusplus
}
projects / babeltrace.git / blobdiff