1 #ifndef BABELTRACE2_VALUE_CONST_H
2 #define BABELTRACE2_VALUE_CONST_H
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26 #ifndef __BT_IN_BABELTRACE_H
27 # error "Please include <babeltrace2/babeltrace.h> instead."
33 #include <babeltrace2/types.h>
39 typedef enum bt_value_type
{
40 /// Null value object.
41 BT_VALUE_TYPE_NULL
= 0,
43 /// Boolean value object (holds #BT_TRUE or #BT_FALSE).
44 BT_VALUE_TYPE_BOOL
= 1,
46 /// Unsigned integer value object (holds an unsigned 64-bit integer raw value).
47 BT_VALUE_TYPE_UNSIGNED_INTEGER
= 2,
49 /// Signed integer value object (holds a signed 64-bit integer raw value).
50 BT_VALUE_TYPE_SIGNED_INTEGER
= 3,
52 /// Floating point number value object (holds a \c double raw value).
53 BT_VALUE_TYPE_REAL
= 4,
55 /// String value object.
56 BT_VALUE_TYPE_STRING
= 5,
58 /// Array value object.
59 BT_VALUE_TYPE_ARRAY
= 6,
62 BT_VALUE_TYPE_MAP
= 7,
65 extern bt_value_type
bt_value_get_type(const bt_value
*object
);
68 bt_bool
bt_value_is_null(const bt_value
*object
)
70 return bt_value_get_type(object
) == BT_VALUE_TYPE_NULL
;
74 bt_bool
bt_value_is_bool(const bt_value
*object
)
76 return bt_value_get_type(object
) == BT_VALUE_TYPE_BOOL
;
80 bt_bool
bt_value_is_unsigned_integer(const bt_value
*object
)
82 return bt_value_get_type(object
) == BT_VALUE_TYPE_UNSIGNED_INTEGER
;
86 bt_bool
bt_value_is_signed_integer(const bt_value
*object
)
88 return bt_value_get_type(object
) == BT_VALUE_TYPE_SIGNED_INTEGER
;
92 bt_bool
bt_value_is_real(const bt_value
*object
)
94 return bt_value_get_type(object
) == BT_VALUE_TYPE_REAL
;
98 bt_bool
bt_value_is_string(const bt_value
*object
)
100 return bt_value_get_type(object
) == BT_VALUE_TYPE_STRING
;
104 bt_bool
bt_value_is_array(const bt_value
*object
)
106 return bt_value_get_type(object
) == BT_VALUE_TYPE_ARRAY
;
110 bt_bool
bt_value_is_map(const bt_value
*object
)
112 return bt_value_get_type(object
) == BT_VALUE_TYPE_MAP
;
115 typedef enum bt_value_copy_status
{
116 BT_VALUE_COPY_STATUS_MEMORY_ERROR
= __BT_FUNC_STATUS_MEMORY_ERROR
,
117 BT_VALUE_COPY_STATUS_OK
= __BT_FUNC_STATUS_OK
,
118 } bt_value_copy_status
;
120 extern bt_value_copy_status
bt_value_copy(const bt_value
*object
,
123 extern bt_bool
bt_value_is_equal(const bt_value
*object_a
,
124 const bt_value
*object_b
);
126 extern bt_bool
bt_value_bool_get(const bt_value
*bool_obj
);
128 extern uint64_t bt_value_integer_unsigned_get(const bt_value
*integer_obj
);
130 extern int64_t bt_value_integer_signed_get(const bt_value
*integer_obj
);
132 extern double bt_value_real_get(const bt_value
*real_obj
);
134 extern const char *bt_value_string_get(const bt_value
*string_obj
);
136 extern uint64_t bt_value_array_get_length(const bt_value
*array_obj
);
139 bt_bool
bt_value_array_is_empty(const bt_value
*array_obj
)
141 return bt_value_array_get_length(array_obj
) == 0;
144 extern const bt_value
*bt_value_array_borrow_element_by_index_const(
145 const bt_value
*array_obj
, uint64_t index
);
147 extern uint64_t bt_value_map_get_size(const bt_value
*map_obj
);
150 bt_bool
bt_value_map_is_empty(const bt_value
*map_obj
)
152 return bt_value_map_get_size(map_obj
) == 0;
155 extern const bt_value
*bt_value_map_borrow_entry_value_const(
156 const bt_value
*map_obj
, const char *key
);
158 typedef bt_bool (* bt_value_map_foreach_entry_const_func
)(const char *key
,
159 const bt_value
*object
, void *data
);
161 typedef enum bt_value_map_foreach_entry_const_status
{
162 BT_VALUE_MAP_FOREACH_ENTRY_CONST_STATUS_OK
= __BT_FUNC_STATUS_OK
,
163 BT_VALUE_MAP_FOREACH_ENTRY_CONST_STATUS_INTERRUPTED
= __BT_FUNC_STATUS_INTERRUPTED
,
164 } bt_value_map_foreach_entry_const_status
;
166 extern bt_value_map_foreach_entry_const_status
bt_value_map_foreach_entry_const(
167 const bt_value
*map_obj
,
168 bt_value_map_foreach_entry_const_func func
, void *data
);
170 extern bt_bool
bt_value_map_has_entry(const bt_value
*map_obj
,
173 extern void bt_value_get_ref(const bt_value
*value
);
175 extern void bt_value_put_ref(const bt_value
*value
);
177 #define BT_VALUE_PUT_REF_AND_RESET(_var) \
179 bt_value_put_ref(_var); \
183 #define BT_VALUE_MOVE_REF(_var_dst, _var_src) \
185 bt_value_put_ref(_var_dst); \
186 (_var_dst) = (_var_src); \
194 #endif /* BABELTRACE2_VALUE_CONST_H */