X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Ffields-internal.h;h=b007783b2b02152db26035c0a908c74c2383f88f;hp=a75120f3da2cde26f64956d46e5bd53a6e7215f3;hb=ad72416ee16fe94efc3c2e1432f225ea87c2db3c;hpb=6ccf68e9c4d330176d6a471f9bd81074c73b4536

diff --git a/include/babeltrace/ctf-ir/fields-internal.h b/include/babeltrace/ctf-ir/fields-internal.h
index a75120f3..b007783b 100644
--- a/include/babeltrace/ctf-ir/fields-internal.h
+++ b/include/babeltrace/ctf-ir/fields-internal.h
@@ -106,4 +106,288 @@ int bt_ctf_field_serialize(struct bt_ctf_field *field,
 BT_HIDDEN
 void bt_ctf_field_freeze(struct bt_ctf_field *field);
 
+/*
+ * 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.
+ */
+BT_HIDDEN
+struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field);
+
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+int bt_ctf_field_is_integer(struct bt_ctf_field *field);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+int bt_ctf_field_is_floating_point(struct bt_ctf_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.
+ */
+BT_HIDDEN
+int bt_ctf_field_is_enumeration(struct bt_ctf_field *field);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+int bt_ctf_field_is_string(struct bt_ctf_field *field);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+int bt_ctf_field_is_structure(struct bt_ctf_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.
+ */
+BT_HIDDEN
+int bt_ctf_field_is_array(struct bt_ctf_field *field);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+int bt_ctf_field_is_sequence(struct bt_ctf_field *field);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+int bt_ctf_field_is_variant(struct bt_ctf_field *field);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index(
+		struct bt_ctf_field *structure, int 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.
+ */
+BT_HIDDEN
+struct bt_ctf_field *bt_ctf_field_sequence_get_length(
+		struct bt_ctf_field *sequence);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+struct bt_ctf_field *bt_ctf_field_variant_get_current_field(
+		struct bt_ctf_field *variant);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+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.
+ */
+BT_HIDDEN
+int bt_ctf_field_signed_integer_get_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.
+ */
+BT_HIDDEN
+int bt_ctf_field_unsigned_integer_get_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.
+ */
+BT_HIDDEN
+int bt_ctf_field_floating_point_get_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.
+ */
+BT_HIDDEN
+const char *bt_ctf_field_string_get_value(struct bt_ctf_field *string_field);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+int bt_ctf_field_string_append(struct bt_ctf_field *string_field,
+		const char *value);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+int bt_ctf_field_string_append_len(
+		struct bt_ctf_field *string_field, const char *value,
+		unsigned int length);
+
+/*
+ * 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.
+ */
+BT_HIDDEN
+enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_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.
+ */
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field);
+
 #endif /* BABELTRACE_CTF_IR_FIELDS_INTERNAL_H */