#include <stdint.h>
#include <stddef.h>
+/* For bt_get() */
+#include <babeltrace/ref.h>
+
+/* For bt_bool */
+#include <babeltrace/types.h>
+
+/* For BT_FIELD_TYPE_ID_* */
+#include <babeltrace/ctf-ir/field-types.h>
+
#ifdef __cplusplus
extern "C" {
#endif
+struct bt_field_type;
+
/**
@defgroup ctfirfields CTF IR fields
@ingroup ctfir
In the CTF IR hierarchy, you can set the root fields of two objects:
- \ref ctfirpacket
- - Trace packet header field: bt_ctf_packet_set_header().
- - Stream packet context field: bt_ctf_packet_set_context().
+ - Trace packet header field: bt_packet_set_header().
+ - Stream packet context field: bt_packet_set_context().
- \ref ctfirevent
- - Stream event header field: bt_ctf_event_set_header().
- - Stream event context field: bt_ctf_event_set_stream_event_context().
- - Event context field: bt_ctf_event_set_event_context().
- - Event payload field: bt_ctf_event_set_payload_field().
+ - Stream event header field: bt_event_set_header().
+ - Stream event context field: bt_event_set_stream_event_context().
+ - Event context field: bt_event_set_event_context().
+ - Event payload field: bt_event_set_payload_field().
There are two categories of fields:
- @varfield: contains a single, current field.
You can create a field object from a @ft object with
-bt_ctf_field_create(). The enumeration and compound fields create their
+bt_field_create(). The enumeration and compound fields create their
contained fields with the following getters if such fields do not exist
yet:
-- bt_ctf_field_enumeration_get_container()
-- bt_ctf_field_structure_get_field()
-- bt_ctf_field_array_get_field()
-- bt_ctf_field_sequence_get_field()
-- bt_ctf_field_variant_get_field()
+- bt_field_enumeration_get_container()
+- bt_field_structure_get_field_by_name()
+- bt_field_array_get_field()
+- bt_field_sequence_get_field()
+- bt_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_field_structure_set_field_by_name().
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
-bt_ctf_field_get_type_id().
+bt_field_get_type(). You can get the
+\link #bt_field_type_id type ID\endlink of this field type directly with
+bt_field_get_type_id().
-You can get a deep copy of a field with bt_ctf_field_copy(). The field
+You can get a deep copy of a field with bt_field_copy(). The field
copy, and its contained field copies if it's the case, have the same
field type as the originals.
*/
/**
-@struct bt_ctf_field
+@struct bt_field
@brief A CTF IR field.
@sa ctfirfields
*/
-struct bt_ctf_field;
-struct bt_ctf_event_class;
-struct bt_ctf_event;
-struct bt_ctf_field_type;
-struct bt_ctf_field_type_enum_iter;
+struct bt_field;
+struct bt_event_class;
+struct bt_event;
+struct bt_field_type;
+struct bt_field_type_enumeration_mapping_iterator;
/**
@name Creation and parent field type access functions
@{
*/
-/**
-@brief Creates an uninitialized @field described by the @ft
- \p field_type.
-
-On success, \p field_type becomes the parent of the created field
-object.
-
-On success, this function creates an \em uninitialized field: it has
-no value. You need to set the value of the created field with one of the
-its specific setters.
-
-@param[in] field_type Field type which describes the field to create.
-@returns Created field object, or \c NULL on error.
-
-@prenotnull{field_type}
-@postsuccessrefcountret1
-@postsuccessfrozen{field_type}
-*/
-extern struct bt_ctf_field *bt_ctf_field_create(
- struct bt_ctf_field_type *field_type);
+extern struct bt_field_type *bt_field_borrow_type(struct bt_field *field);
/**
@brief Returns the parent @ft of the @field \p field.
This function returns a reference to the field type which was used to
-create the field object in the first place with bt_ctf_field_create().
+create the field object in the first place with bt_field_create().
@param[in] field Field of which to get the parent field type.
@returns Parent field type of \p event,
@postrefcountsame{field}
@postsuccessrefcountretinc
*/
-extern struct bt_ctf_field_type *bt_ctf_field_get_type(
- struct bt_ctf_field *field);
+static inline
+struct bt_field_type *bt_field_get_type(struct bt_field *field)
+{
+ return bt_get(bt_field_borrow_type(field));
+}
/** @} */
@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_FIELD_TYPE_ID_UNKNOWN on error.
@prenotnull{field}
@postrefcountsame{field}
-@sa #bt_ctf_type_id: CTF IR field type ID.
-@sa bt_ctf_field_is_integer(): Returns whether or not a given field is a
+@sa #bt_field_type_id: CTF IR field type ID.
+@sa bt_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_field_is_floating_point(): Returns whether or not a given
field is a @floatfield.
-@sa bt_ctf_field_is_enumeration(): Returns whether or not a given field
+@sa bt_field_is_enumeration(): Returns whether or not a given field
is a @enumfield.
-@sa bt_ctf_field_is_string(): Returns whether or not a given field is a
+@sa bt_field_is_string(): Returns whether or not a given field is a
@stringfield.
-@sa bt_ctf_field_is_structure(): Returns whether or not a given field is
+@sa bt_field_is_structure(): Returns whether or not a given field is
a @structfield.
-@sa bt_ctf_field_is_array(): Returns whether or not a given field is a
+@sa bt_field_is_array(): Returns whether or not a given field is a
@arrayfield.
-@sa bt_ctf_field_is_sequence(): Returns whether or not a given field is
+@sa bt_field_is_sequence(): Returns whether or not a given field is
a @seqfield.
-@sa bt_ctf_field_is_variant(): Returns whether or not a given field is a
+@sa bt_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);
-
-/*
- * 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);
+extern enum bt_field_type_id bt_field_get_type_id(struct bt_field *field);
/**
@brief Returns whether or not the @field \p field is a @intfield.
@param[in] field Field to check (can be \c NULL).
-@returns 1 if \p field is an integer field, or 0
- otherwise (including if \p field is
+@returns #BT_TRUE if \p field is an integer field, or
+ #BT_FALSE otherwise (including if \p field is
\c NULL).
@prenotnull{field}
@postrefcountsame{field}
-@sa bt_ctf_field_get_type_id(): Returns the type ID of a given
+@sa bt_field_get_type_id(): Returns the type ID of a given
field's type.
*/
-extern int bt_ctf_field_is_integer(struct bt_ctf_field *field);
+static inline
+bt_bool bt_field_is_integer(struct bt_field *field)
+{
+ return bt_field_get_type_id(field) == BT_FIELD_TYPE_ID_INTEGER;
+}
/**
@brief Returns whether or not the @field \p field is a @floatfield.
@param[in] field Field to check (can be \c NULL).
-@returns 1 if \p field is a floating point number field,
- or 0 otherwise (including if \p field is
+@returns #BT_TRUE if \p field is a floating point number fiel
+ #BT_FALSE or 0 otherwise (including if \p field is
\c NULL).
@prenotnull{field}
@postrefcountsame{field}
-@sa bt_ctf_field_get_type_id(): Returns the type ID of a given
+@sa bt_field_get_type_id(): Returns the type ID of a given
field's type.
*/
-extern int bt_ctf_field_is_floating_point(struct bt_ctf_field *field);
+static inline
+bt_bool bt_field_is_floating_point(struct bt_field *field)
+{
+ return bt_field_get_type_id(field) == BT_FIELD_TYPE_ID_FLOAT;
+}
/**
@brief Returns whether or not the @field \p field is a @enumfield.
@param[in] field Field to check (can be \c NULL).
-@returns 1 if \p field is an enumeration field, or 0
- otherwise (including if \p field is
+@returns #BT_TRUE if \p field is an enumeration field, or
+ #BT_FALSE otherwise (including if \p field is
\c NULL).
@prenotnull{field}
@postrefcountsame{field}
-@sa bt_ctf_field_get_type_id(): Returns the type ID of a given
+@sa bt_field_get_type_id(): Returns the type ID of a given
field's type.
*/
-extern int bt_ctf_field_is_enumeration(struct bt_ctf_field *field);
+static inline
+bt_bool bt_field_is_enumeration(struct bt_field *field)
+{
+ return bt_field_get_type_id(field) == BT_FIELD_TYPE_ID_ENUM;
+}
/**
@brief Returns whether or not the @field \p field is a @stringfield.
@param[in] field Field to check (can be \c NULL).
-@returns 1 if \p field is a string field, or 0
- otherwise (including if \p field is
+@returns #BT_TRUE if \p field is a string field, or
+ #BT_FALSE otherwise (including if \p field is
\c NULL).
@prenotnull{field}
@postrefcountsame{field}
-@sa bt_ctf_field_get_type_id(): Returns the type ID of a given
+@sa bt_field_get_type_id(): Returns the type ID of a given
field's type.
*/
-extern int bt_ctf_field_is_string(struct bt_ctf_field *field);
+static inline
+bt_bool bt_field_is_string(struct bt_field *field)
+{
+ return bt_field_get_type_id(field) == BT_FIELD_TYPE_ID_STRING;
+}
/**
@brief Returns whether or not the @field \p field is a @structfield.
@param[in] field Field to check (can be \c NULL).
-@returns 1 if \p field is a structure field, or 0
- otherwise (including if \p field is
+@returns #BT_TRUE if \p field is a structure field, or
+ #BT_FALSE otherwise (including if \p field is
\c NULL).
@prenotnull{field}
@postrefcountsame{field}
-@sa bt_ctf_field_get_type_id(): Returns the type ID of a given
+@sa bt_field_get_type_id(): Returns the type ID of a given
field's type.
*/
-extern int bt_ctf_field_is_structure(struct bt_ctf_field *field);
+static inline
+bt_bool bt_field_is_structure(struct bt_field *field)
+{
+ return bt_field_get_type_id(field) == BT_FIELD_TYPE_ID_STRUCT;
+}
/**
@brief Returns whether or not the @field \p field is a @arrayfield.
@param[in] field Field to check (can be \c NULL).
-@returns 1 if \p field is an array field, or 0
- otherwise (including if \p field is
+@returns #BT_TRUE if \p field is an array field, or
+ #BT_FALSE otherwise (including if \p field is
\c NULL).
@prenotnull{field}
@postrefcountsame{field}
-@sa bt_ctf_field_get_type_id(): Returns the type ID of a given
+@sa bt_field_get_type_id(): Returns the type ID of a given
field's type.
*/
-extern int bt_ctf_field_is_array(struct bt_ctf_field *field);
+static inline
+bt_bool bt_field_is_array(struct bt_field *field)
+{
+ return bt_field_get_type_id(field) == BT_FIELD_TYPE_ID_ARRAY;
+}
/**
@brief Returns whether or not the @field \p field is a @seqfield.
@param[in] field Field to check (can be \c NULL).
-@returns 1 if \p field is a sequence field, or 0
- otherwise (including if \p field is
+@returns #BT_TRUE if \p field is a sequence field, or
+ #BT_FALSE otherwise (including if \p field is
\c NULL).
@prenotnull{field}
@postrefcountsame{field}
-@sa bt_ctf_field_get_type_id(): Returns the type ID of a given
+@sa bt_field_get_type_id(): Returns the type ID of a given
field's type.
*/
-extern int bt_ctf_field_is_sequence(struct bt_ctf_field *field);
+static inline
+bt_bool bt_field_is_sequence(struct bt_field *field)
+{
+ return bt_field_get_type_id(field) == BT_FIELD_TYPE_ID_SEQUENCE;
+}
/**
@brief Returns whether or not the @field \p field is a @varfield.
@param[in] field Field to check (can be \c NULL).
-@returns 1 if \p field is a variant field, or 0
- otherwise (including if \p field is
+@returns #BT_TRUE if \p field is a variant field, or
+ #BT_FALSE otherwise (including if \p field is
\c NULL).
@prenotnull{field}
@postrefcountsame{field}
-@sa bt_ctf_field_get_type_id(): Returns the type ID of a given
+@sa bt_field_get_type_id(): Returns the type ID of a given
field's type.
*/
-extern int bt_ctf_field_is_variant(struct bt_ctf_field *field);
+static inline
+bt_bool bt_field_is_variant(struct bt_field *field)
+{
+ return bt_field_get_type_id(field) == BT_FIELD_TYPE_ID_VARIANT;
+}
/** @} */
@{
*/
-/**
-@brief Creates a \em deep copy of the @field \p field.
-
-You can copy a frozen field: the resulting copy is <em>not frozen</em>.
-
-@param[in] field Field to copy.
-@returns Deep copy of \p field on success,
- or \c NULL on error.
-
-@prenotnull{field}
-@postrefcountsame{field}
-@postsuccessrefcountret1
-@post <strong>On success</strong>, the returned field is not frozen.
-*/
-extern struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field);
-
/** @} */
/** @} */
a @intft.
An integer field object is considered \em unsigned if
-bt_ctf_field_type_integer_get_signed() on its parent field type returns
+bt_field_type_integer_get_signed() on its parent field type returns
0. Otherwise it is considered \em signed. You \em must use
-bt_ctf_field_unsigned_integer_get_value() and
-bt_ctf_field_unsigned_integer_set_value() with an unsigned integer
-field, and bt_ctf_field_signed_integer_get_value() and
-bt_ctf_field_signed_integer_set_value() with a signed integer field.
+bt_field_integer_unsigned_get_value() and
+bt_field_integer_unsigned_set_value() with an unsigned integer
+field, and bt_field_integer_signed_get_value() and
+bt_field_integer_signed_set_value() with a signed integer field.
-After you create an integer field with bt_ctf_field_create(), you
+After you create an integer field with bt_field_create(), you
\em must set an integral value with
-bt_ctf_field_unsigned_integer_set_value() or
-bt_ctf_field_signed_integer_set_value() before you can get the
-field's value with bt_ctf_field_unsigned_integer_get_value() or
-bt_ctf_field_signed_integer_get_value().
+bt_field_integer_unsigned_set_value() or
+bt_field_integer_signed_set_value() before you can get the
+field's value with bt_field_integer_unsigned_get_value() or
+bt_field_integer_signed_get_value().
@sa ctfirintfieldtype
@sa ctfirfields
@prenotnull{integer_field}
@prenotnull{value}
@preisintfield{integer_field}
-@pre bt_ctf_field_type_integer_get_signed() returns 1 for the parent
+@pre bt_field_type_integer_get_signed() returns 1 for the parent
@ft of \p integer_field.
@pre \p integer_field contains a signed integral value previously
- set with bt_ctf_field_signed_integer_set_value().
+ set with bt_field_integer_signed_set_value().
@postrefcountsame{integer_field}
-@sa bt_ctf_field_signed_integer_set_value(): Sets the signed integral
+@sa bt_field_integer_signed_set_value(): Sets the signed integral
value of a given integer field.
*/
-extern int bt_ctf_field_signed_integer_get_value(
- struct bt_ctf_field *integer_field, int64_t *value);
+extern int bt_field_integer_signed_get_value(
+ struct bt_field *integer_field, int64_t *value);
/**
@brief Sets the signed integral value of the @intfield
@prenotnull{integer_field}
@preisintfield{integer_field}
@prehot{integer_field}
-@pre bt_ctf_field_type_integer_get_signed() returns 1 for the parent
+@pre bt_field_type_integer_get_signed() returns 1 for the parent
@ft of \p integer_field.
@postrefcountsame{integer_field}
-@sa bt_ctf_field_signed_integer_get_value(): Returns the signed integral
+@sa bt_field_integer_signed_get_value(): Returns the signed integral
value of a given integer field.
*/
-extern int bt_ctf_field_signed_integer_set_value(
- struct bt_ctf_field *integer_field, int64_t value);
+extern int bt_field_integer_signed_set_value(
+ struct bt_field *integer_field, int64_t value);
/**
@brief Returns the unsigned integral value of the @intfield
@prenotnull{integer_field}
@prenotnull{value}
@preisintfield{integer_field}
-@pre bt_ctf_field_type_integer_get_signed() returns 0 for the parent
+@pre bt_field_type_integer_get_signed() returns 0 for the parent
@ft of \p integer_field.
@pre \p integer_field contains an unsigned integral value previously
- set with bt_ctf_field_unsigned_integer_set_value().
+ set with bt_field_integer_unsigned_set_value().
@postrefcountsame{integer_field}
-@sa bt_ctf_field_unsigned_integer_set_value(): Sets the unsigned
+@sa bt_field_integer_unsigned_set_value(): Sets the unsigned
integral value of a given integer field.
*/
-extern int bt_ctf_field_unsigned_integer_get_value(
- struct bt_ctf_field *integer_field, uint64_t *value);
+extern int bt_field_integer_unsigned_get_value(
+ struct bt_field *integer_field, uint64_t *value);
/**
@brief Sets the unsigned integral value of the @intfield
@prenotnull{integer_field}
@preisintfield{integer_field}
@prehot{integer_field}
-@pre bt_ctf_field_type_integer_get_signed() returns 0 for the parent
+@pre bt_field_type_integer_get_signed() returns 0 for the parent
@ft of \p integer_field.
@postrefcountsame{integer_field}
-@sa bt_ctf_field_unsigned_integer_get_value(): Returns the unsigned
+@sa bt_field_integer_unsigned_get_value(): Returns the unsigned
integral value of a given integer field.
*/
-extern int bt_ctf_field_unsigned_integer_set_value(
- struct bt_ctf_field *integer_field, uint64_t value);
+extern int bt_field_integer_unsigned_set_value(
+ struct bt_field *integer_field, uint64_t value);
/** @} */
@field which holds a floating point number value, and which is
described by a @floatft.
-After you create a floating point number field with bt_ctf_field_create(), you
+After you create a floating point number field with bt_field_create(), you
\em must set a floating point number value with
-bt_ctf_field_floating_point_set_value() before you can get the
-field's value with bt_ctf_field_floating_point_get_value().
+bt_field_floating_point_set_value() before you can get the
+field's value with bt_field_floating_point_get_value().
@sa ctfirfloatfieldtype
@sa ctfirfields
@prenotnull{value}
@preisfloatfield{float_field}
@pre \p float_field contains a floating point number value previously
- set with bt_ctf_field_floating_point_set_value().
+ set with bt_field_floating_point_set_value().
@postrefcountsame{float_field}
-@sa bt_ctf_field_floating_point_set_value(): Sets the floating point
+@sa bt_field_floating_point_set_value(): Sets the floating point
number value of a given floating point number field.
*/
-extern int bt_ctf_field_floating_point_get_value(
- struct bt_ctf_field *float_field, double *value);
+extern int bt_field_floating_point_get_value(
+ struct bt_field *float_field, double *value);
/**
@brief Sets the floating point number value of the @floatfield
@prehot{float_field}
@postrefcountsame{float_field}
-@sa bt_ctf_field_floating_point_get_value(): Returns the floating point
+@sa bt_field_floating_point_get_value(): Returns the floating point
number value of a given floating point number field.
*/
-extern int bt_ctf_field_floating_point_set_value(
- struct bt_ctf_field *float_field,
- double value);
+extern int bt_field_floating_point_set_value(
+ struct bt_field *float_field, double value);
/** @} */
/**
-@defgroup ctfirenumfield CTF IR enumeration field
-@ingroup ctfirfields
-@brief CTF IR enumeration field.
-
-@code
-#include <babeltrace/ctf-ir/fields.h>
-@endcode
-
-A CTF IR <strong><em>enumeration field</em></strong> is a @field which
-holds a @intfield, and which is described by a @enumft.
-
-To set the current integral value of an enumeration field, you need to
-get its wrapped @intfield with bt_ctf_field_enumeration_get_container(),
-and then set the integral value with either
-bt_ctf_field_signed_integer_set_value() or
-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().
-
-@sa ctfirenumfieldtype
-@sa ctfirfields
-
-@addtogroup ctfirenumfield
-@{
-*/
-
-/**
-@brief Returns the @intfield, potentially creating it, wrapped by the
- @enumfield \p enum_field.
-
-This function creates the @intfield to return if it does not currently
-exist.
-
-@param[in] enum_field Enumeration field of which to get the wrapped
- integer field.
-@returns Integer field wrapped by \p enum_field, or
- \c NULL on error.
-
-@prenotnull{enum_field}
-@preisenumfield{enum_field}
-@postrefcountsame{enum_field}
-@postsuccessrefcountretinc
-*/
-extern struct bt_ctf_field *bt_ctf_field_enumeration_get_container(
- 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.
+@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.
-On success, \p enum_field remains the sole owner of the returned
-value.
+This function is the equivalent of using
+bt_field_type_enumeration_find_mappings_by_unsigned_value() or
+bt_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 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.
+@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_field_type_enumeration_mapping_iterator *
+bt_field_enumeration_get_mappings(struct bt_field *enum_field);
/** @} */
A CTF IR <strong><em>string field</em></strong> is a @field which holds
a string value, and which is described by a @stringft.
-Use bt_ctf_field_string_set_value() to set the current string value
-of a string field object. You can also use bt_ctf_field_string_append()
-and bt_ctf_field_string_append_len() to append a string to the current
+Use bt_field_string_set_value() to set the current string value
+of a string field object. You can also use bt_field_string_append()
+and bt_field_string_append_len() to append a string to the current
value of a string field.
-After you create a string field with bt_ctf_field_create(), you
+After you create a string field with bt_field_create(), you
\em must set a string value with
-bt_ctf_field_string_set_value(), bt_ctf_field_string_append(), or
-bt_ctf_field_string_append_len() before you can get the
-field's value with bt_ctf_field_string_get_value().
+bt_field_string_set_value(), bt_field_string_append(), or
+bt_field_string_append_len() before you can get the
+field's value with bt_field_string_get_value().
@sa ctfirstringfieldtype
@sa ctfirfields
@prenotnull{value}
@preisstringfield{string_field}
@pre \p string_field contains a string value previously
- set with bt_ctf_field_string_set_value(),
- bt_ctf_field_string_append(), or
- bt_ctf_field_string_append_len().
+ set with bt_field_string_set_value(),
+ bt_field_string_append(), or
+ bt_field_string_append_len().
@postrefcountsame{string_field}
-@sa bt_ctf_field_string_set_value(): Sets the string value of a given
+@sa bt_field_string_set_value(): Sets the string value of a given
string field.
*/
-extern const char *bt_ctf_field_string_get_value(
- struct bt_ctf_field *string_field);
+extern const char *bt_field_string_get_value(struct bt_field *string_field);
/**
@brief Sets the string value of the @stringfield \p string_field to
@prehot{string_field}
@postrefcountsame{string_field}
-@sa bt_ctf_field_string_get_value(): Returns the string value of a
+@sa bt_field_string_get_value(): Returns the string value of a
given string field.
*/
-extern int bt_ctf_field_string_set_value(struct bt_ctf_field *string_field,
+extern int bt_field_string_set_value(struct bt_field *string_field,
const char *value);
/**
This function is the equivalent of:
@code
-bt_ctf_field_string_append_len(string_field, value, strlen(value));
+bt_field_string_append_len(string_field, value, strlen(value));
@endcode
@param[in] string_field String field of which to append \p value to
@prehot{string_field}
@postrefcountsame{string_field}
-@sa bt_ctf_field_string_set_value(): Sets the string value of a given
+@sa bt_field_string_set_value(): Sets the string value of a given
string field.
*/
-extern int bt_ctf_field_string_append(struct bt_ctf_field *string_field,
+extern int bt_field_string_append(struct bt_field *string_field,
const char *value);
/**
@prehot{string_field}
@postrefcountsame{string_field}
-@sa bt_ctf_field_string_set_value(): Sets the string value of a given
+@sa bt_field_string_set_value(): Sets the string value of a given
string field.
*/
-extern int bt_ctf_field_string_append_len(
- struct bt_ctf_field *string_field, const char *value,
+extern int bt_field_string_append_len(
+ struct bt_field *string_field, const char *value,
unsigned int length);
+extern int bt_field_string_clear(struct bt_field *string_field);
+
/** @} */
/**
different @fts, and which is described by a @structft.
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().
+first get the field with bt_field_structure_get_field_by_name() or
+bt_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_field_structure_set_field_by_name().
@sa ctfirstructfieldtype
@sa ctfirfields
@{
*/
-/**
-@brief Returns the @field named \p name, potentially creating it,
- in the @structfield \p struct_field.
-
-This function creates the @field to return if it does not currently
-exist.
-
-@param[in] struct_field Structure field of which to get the field
- named \p name.
-@param[in] name Name of the field to get from \p struct_field.
-@returns Field named \p name in \p struct_field, or
- \c NULL on error.
-
-@prenotnull{struct_field}
-@prenotnull{name}
-@preisstructfield{struct_field}
-@postrefcountsame{struct_field}
-@postsuccessrefcountretinc
+extern struct bt_field *bt_field_structure_borrow_field_by_name(
+ struct bt_field *struct_field, const char *name);
-@sa bt_ctf_field_structure_get_field_by_index(): Returns the field of a
- given structure field by index.
-*/
-extern struct bt_ctf_field *bt_ctf_field_structure_get_field(
- struct bt_ctf_field *struct_field, const char *name);
-
-/**
-@brief Returns the @field at index \p index in the @structfield
- \p struct_field.
-
-@param[in] struct_field Structure field of which to get the field
- at index \p index.
-@param[in] index Index of the field to get in \p struct_field.
-@returns Field at index \p index in \p struct_field, or
- \c NULL on error.
-
-@prenotnull{struct_field}
-@preisstructfield{struct_field}
-@pre \p index is lesser than the number of fields contained in the
- parent field type of \p struct_field (see
- bt_ctf_field_type_structure_get_field_count()).
-@postrefcountsame{struct_field}
-@postsuccessrefcountretinc
-
-@sa bt_ctf_field_structure_get_field(): Returns the field of a
- given structure field by name.
-*/
-extern struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index(
- struct bt_ctf_field *struct_field, int index);
+extern struct bt_field *bt_field_structure_borrow_field_by_index(
+ struct bt_field *struct_field, uint64_t index);
/** @} */
and which is described by a @arrayft.
To set the value of a specific field of an array field, you need to
-first get the field with bt_ctf_field_array_get_field().
+first get the field with bt_field_array_get_field().
@sa ctfirarrayfieldtype
@sa ctfirfields
@{
*/
-/**
-@brief Returns the @field at index \p index, potentially creating it,
- in the @arrayfield \p array_field.
-
-This function creates the @field to return if it does not currently
-exist.
-
-@param[in] array_field Array field of which to get the field
- at index \p index.
-@param[in] index Index of the field to get in \p array_field.
-@returns Field at index \p index in \p array_field, or
- \c NULL on error.
-
-@prenotnull{array_field}
-@preisarrayfield{array_field}
-@pre \p index is lesser than bt_ctf_field_type_array_get_length() called
- on the field type of \p array_field.
-@postrefcountsame{array_field}
-@postsuccessrefcountretinc
-*/
-extern struct bt_ctf_field *bt_ctf_field_array_get_field(
- struct bt_ctf_field *array_field, uint64_t index);
+extern struct bt_field *bt_field_array_borrow_field(
+ struct bt_field *array_field, uint64_t index);
/** @} */
and which is described by a @seqft.
Before you can get a specific field of a sequence field with
-bt_ctf_field_sequence_get_field(), you need to set its current length
-@intfield with bt_ctf_field_sequence_set_length(). The integral value of
+bt_field_sequence_get_field(), you need to set its current length
+@intfield with bt_field_sequence_set_length(). The integral value of
the length field of a sequence field indicates the number of fields
it contains.
@{
*/
-/**
-@brief Returns the @field at index \p index, potentially creating it,
- in the @seqfield \p sequence_field.
-
-This function creates the @field to return if it does not currently
-exist.
-
-@param[in] sequence_field Sequence field of which to get the field
- at index \p index.
-@param[in] index Index of the field to get in
- \p sequence_field.
-@returns Field at index \p index in
- \p sequence_field, or \c NULL on error.
-
-@prenotnull{sequence_field}
-@preisseqfield{sequence_field}
-@pre \p sequence_field has a length field previously set with
- bt_ctf_field_sequence_set_length().
-@pre \p index is lesser than the current integral value of the current
- length field of \p sequence_field (see
- bt_ctf_field_sequence_get_length()).
-@postrefcountsame{sequence_field}
-@postsuccessrefcountretinc
-*/
-extern struct bt_ctf_field *bt_ctf_field_sequence_get_field(
- struct bt_ctf_field *sequence_field, uint64_t index);
-
-/**
-@brief Returns the length @intfield of the @seqfield \p sequence_field.
-
-The current integral value of the returned length field indicates the
-number of fields contained in \p sequence_field.
+extern struct bt_field *bt_field_sequence_borrow_field(
+ struct bt_field *sequence_field, uint64_t index);
-@param[in] sequence_field Sequence field of which to get the
- length field.
-@returns Length field of \p sequence_field, or
- \c NULL on error.
-
-@prenotnull{sequence_field}
-@preisseqfield{sequence_field}
-@pre \p sequence_field has a length field previously set with
- bt_ctf_field_sequence_set_length().
-@postrefcountsame{sequence_field}
-@postsuccessrefcountretinc
-@post <strong>On success</strong>, the returned field is a @intfield.
-
-@sa bt_ctf_field_sequence_set_length(): Sets the length field of a given
- sequence field.
-*/
-extern struct bt_ctf_field *bt_ctf_field_sequence_get_length(
- struct bt_ctf_field *sequence_field);
+extern int64_t bt_field_sequence_get_length(struct bt_field *sequence_field);
/**
@brief Sets the length @intfield of the @seqfield \p sequence_field
@postrefcountsame{sequence_field}
@postsuccessrefcountinc{length_field}
-@sa bt_ctf_field_sequence_get_length(): Returns the length field of a
+@sa bt_field_sequence_get_length(): Returns the length field of a
given sequence field.
*/
-extern int bt_ctf_field_sequence_set_length(struct bt_ctf_field *sequence_field,
- struct bt_ctf_field *length_field);
+extern int bt_field_sequence_set_length(struct bt_field *sequence_field,
+ uint64_t length);
/** @} */
contains a current @field amongst one or more choices, and which is
described by a @varft.
-Use bt_ctf_field_variant_get_field() to get the @field selected by
+Use bt_field_variant_get_field() to get the @field selected by
a specific tag @enumfield. Once you call this function, you can call
-bt_ctf_field_variant_get_current_field() afterwards to get this last
+bt_field_variant_get_current_field() afterwards to get this last
field again.
@sa ctfirvarfieldtype
@{
*/
-/**
-@brief Returns the @field, potentially creating it, selected by the
- tag @intfield \p tag_field in the @varfield \p variant_field.
-
-This function creates the @field to return if it does not currently
-exist.
-
-Once you call this function, you can call
-bt_ctf_field_variant_get_current_field() to get the same field again,
-and you can call bt_ctf_field_variant_get_tag() to get \p tag_field.
-
-@param[in] variant_field Variant field of which to get the field
- selected by \p tag_field.
-@param[in] tag_field Tag field.
-@returns Field selected by \p tag_field in
- \p variant_field, or \c NULL on error.
-
-@prenotnull{variant_field}
-@prenotnull{tag_field}
-@preisvarfield{variant_field}
-@preisenumfield{tag_field}
-@postrefcountsame{variant_field}
-@postsuccessrefcountinc{tag_field}
-@postsuccessrefcountretinc
-*/
-extern struct bt_ctf_field *bt_ctf_field_variant_get_field(
- struct bt_ctf_field *variant_field,
- struct bt_ctf_field *tag_field);
+extern int bt_field_variant_set_tag_signed(struct bt_field *variant_field,
+ int64_t tag);
-/**
-@brief Returns the currently selected @field of the @varfield
- \p variant_field.
-
-@param[in] variant_field Variant field of which to get the
- currently selected field.
-@returns Currently selected field of
- \p variant_field, or \c NULL if there's
- no selected field or on error.
-
-@prenotnull{variant_field}
-@preisvarfield{variant_field}
-@pre \p variant_field contains has a current selected field previously
- set with bt_ctf_field_variant_get_field().
-@postrefcountsame{variant_field}
-@postsuccessrefcountretinc
-*/
-extern struct bt_ctf_field *bt_ctf_field_variant_get_current_field(
- struct bt_ctf_field *variant_field);
+extern int bt_field_variant_set_tag_unsigned(struct bt_field *variant_field,
+ uint64_t tag);
-/**
-@brief Returns the tag @enumfield of the @varfield \p variant_field.
-
-@param[in] variant_field Variant field of which to get the
- tag field.
-@returns Tag field of \p variant_field, or
- \c NULL on error.
-
-@prenotnull{variant_field}
-@preisvarfield{variant_field}
-@pre \p variant_field contains has a current selected field previously
- set with bt_ctf_field_variant_get_field().
-@postrefcountsame{variant_field}
-@postsuccessrefcountretinc
-@post <strong>On success</strong>, the returned field is a @enumfield.
-*/
-extern struct bt_ctf_field *bt_ctf_field_variant_get_tag(
- struct bt_ctf_field *variant_field);
+extern int bt_field_variant_get_tag_signed(struct bt_field *variant_field,
+ int64_t *tag);
-/** @} */
+extern int bt_field_variant_get_tag_unsigned(struct bt_field *variant_field,
+ uint64_t *tag);
+
+extern struct bt_field *bt_field_variant_borrow_current_field(
+ struct bt_field *variant_field);
-const char *bt_ctf_field_enumeration_get_single_mapping_name(
- struct bt_ctf_field *field);
+/** @} */
#ifdef __cplusplus
}
projects / babeltrace.git / blobdiff