#include <stdint.h>
#include <stddef.h>
+#include <babeltrace/ctf-ir/field-types.h>
#ifdef __cplusplus
extern "C" {
- bt_ctf_field_sequence_get_field()
- bt_ctf_field_variant_get_field()
+If you already have a field object, you can also assign it to a specific
+name within a @structfield with bt_ctf_field_structure_set_field().
+
You can get a reference to the @ft which was used to create a field with
bt_ctf_field_get_type(). You can get the
-\link #bt_ctf_type_id type ID\endlink of this field type directly with
+\link #bt_ctf_field_type_id type ID\endlink of this field type directly with
bt_ctf_field_get_type_id().
You can get a deep copy of a field with bt_ctf_field_copy(). The field
struct bt_ctf_event_class;
struct bt_ctf_event;
struct bt_ctf_field_type;
+struct bt_ctf_field_type_enumeration_mapping_iterator;
/**
@name Creation and parent field type access functions
@param[in] field Field of which to get the type ID of its
parent field type..
@returns Type ID of the parent field type of \p field,
- or #BT_CTF_TYPE_ID_UNKNOWN on error.
+ or #BT_CTF_FIELD_TYPE_ID_UNKNOWN on error.
@prenotnull{field}
@postrefcountsame{field}
-@sa #bt_ctf_type_id: CTF IR field type ID.
+@sa #bt_ctf_field_type_id: CTF IR field type ID.
@sa bt_ctf_field_is_integer(): Returns whether or not a given field is a
@intfield.
@sa bt_ctf_field_is_floating_point(): Returns whether or not a given
@sa bt_ctf_field_is_variant(): Returns whether or not a given field is a
@varfield.
*/
-extern enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field);
+extern enum bt_ctf_field_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field);
+
+/*
+ * 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);
/**
@brief Returns whether or not the @field \p field is a @intfield.
bt_ctf_field_unsigned_integer_set_value().
Once you set the integral value of an enumeration field by following the
-previous paragraph, you can get the name of the mapping containing this
-value in the enumeration field with
-bt_ctf_field_enumeration_get_mapping_name().
+previous paragraph, you can get the mappings containing this value in
+their range with bt_ctf_field_enumeration_get_mappings(). This function
+returns a @enumftiter.
@sa ctfirenumfieldtype
@sa ctfirfields
struct bt_ctf_field *enum_field);
/**
-@brief Returns the name of the mapping selected by the current integral
- value of the @enumfield \p enum_field.
-
-On success, \p enum_field remains the sole owner of the returned
-value.
-
-@param[in] enum_field Enumeration field of which to get the name of
- mapping associated to its current integral
- value.
-@returns Name of the mapping associated to the current
- integral value of \p enum_field, or \c NULL
- on error.
+@brief Returns a @enumftiter on all the mappings of the field type of
+ \p enum_field which contain the current integral value of the
+ @enumfield \p enum_field in their range.
+
+This function is the equivalent of using
+bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value() or
+bt_ctf_field_type_enumeration_find_mappings_by_signed_value() with the
+current integral value of \p enum_field.
+
+@param[in] enum_field Enumeration field of which to get the mappings
+ containing the current integral value of \p
+ enum_field in their range.
+@returns @enumftiter on the set of mappings of the field
+ type of \p enum_field which contain the current
+ integral value of \p enum_field in their range,
+ or \c NULL if no mappings were found or on
+ error.
@prenotnull{enum_field}
@preisenumfield{enum_field}
@pre The wrapped integer field of \p enum_field contains an integral
value.
@postrefcountsame{enum_field}
+@postsuccessrefcountret1
+@post <strong>On success</strong>, the returned @enumftiter can iterate
+ on at least one mapping.
*/
-extern const char *bt_ctf_field_enumeration_get_mapping_name(
- struct bt_ctf_field *enum_field);
+extern struct bt_ctf_field_type_enumeration_mapping_iterator *
+bt_ctf_field_enumeration_get_mappings(struct bt_ctf_field *enum_field);
/** @} */
To set the value of a specific field of a structure field, you need to
first get the field with bt_ctf_field_structure_get_field() or
-bt_ctf_field_structure_get_field_by_index().
+bt_ctf_field_structure_get_field_by_index(). If you already have a
+field object, you can assign it to a specific name within a structure
+field with bt_ctf_field_structure_set_field().
@sa ctfirstructfieldtype
@sa ctfirfields
@sa bt_ctf_field_structure_get_field_by_index(): Returns the field of a
given structure field by index.
+@sa bt_ctf_field_structure_set_field(): Sets the field of a given
+ structure field.
*/
extern struct bt_ctf_field *bt_ctf_field_structure_get_field(
struct bt_ctf_field *struct_field, const char *name);
@sa bt_ctf_field_structure_get_field(): Returns the field of a
given structure field by name.
+@sa bt_ctf_field_structure_set_field(): Sets the field of a given
+ structure field.
*/
extern struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index(
struct bt_ctf_field *struct_field, int index);
+/**
+@brief Sets the field of the @structfield \p struct_field named \p name
+ to the @field \p field.
+
+If \p struct_field already contains a field named \p name, then its
+reference count is decremented, and \p field replaces it.
+
+The field type of \p field, as returned by bt_ctf_field_get_type(),
+\em must be equivalent to the field type returned by
+bt_ctf_field_type_structure_get_field_type_by_name() with the field
+type of \p struct_field and the same name, \p name.
+
+bt_ctf_trace_get_packet_header_type() for the parent trace class of
+\p packet.
+
+@param[in] struct_field Structure field of which to set the field
+ named \p name.
+@param[in] name Name of the field to set in \p struct_field.
+@param[in] field Field named \p name to set in \p struct_field.
+@returns 0 on success, or -1 on error.
+
+@prenotnull{struct_field}
+@prenotnull{name}
+@prenotnull{field}
+@prehot{struct_field}
+@preisstructfield{struct_field}
+@pre \p field has a field type equivalent to the field type returned by
+ bt_ctf_field_type_structure_get_field_type_by_name() for the
+ field type of \p struct_field with the name \p name.
+@postrefcountsame{struct_field}
+@post <strong>On success, if there's an existing field in
+ \p struct_field named \p name</strong>, its reference count is
+ decremented.
+@postsuccessrefcountinc{field}
+
+@sa bt_ctf_field_structure_get_field_by_index(): Returns the field of a
+ given structure field by index.
+@sa bt_ctf_field_structure_get_field(): Returns the field of a
+ given structure field by name.
+*/
+extern int bt_ctf_field_structure_set_field(struct bt_ctf_field *struct_field,
+ const char *name, struct bt_ctf_field *field);
+
/** @} */
/**