include/babeltrace/trace-ir/field-classes.h

   1 #ifndef BABELTRACE_TRACE_IR_FIELD_CLASSES_H
   2 #define BABELTRACE_TRACE_IR_FIELD_CLASSES_H
   3
   4 /*
   5  * BabelTrace - Trace IR: Event field classes
   6  *
   7  * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   8  *
   9  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  *
  29  * The Common Trace Format (CTF) Specification is available at
  30  * http://www.efficios.com/ctf
  31  */
  32
  33 /* For bt_get() */
  34 #include <babeltrace/ref.h>
  35
  36 /* For bt_bool */
  37 #include <babeltrace/types.h>
  38
  39 #include <stdint.h>
  40 #include <stddef.h>
  41
  42 #ifdef __cplusplus
  43 extern "C" {
  44 #endif
  45
  46 struct bt_field_class;
  47 struct bt_field_path;
  48 struct bt_field_class_signed_enumeration_mapping_ranges;
  49 struct bt_field_class_unsigned_enumeration_mapping_ranges;
  50
  51 typedef const char * const *bt_field_class_enumeration_mapping_label_array;
  52
  53 enum bt_field_class_id {
  54         BT_FIELD_CLASS_ID_UNSIGNED_INTEGER,
  55         BT_FIELD_CLASS_ID_SIGNED_INTEGER,
  56         BT_FIELD_CLASS_ID_UNSIGNED_ENUMERATION,
  57         BT_FIELD_CLASS_ID_SIGNED_ENUMERATION,
  58         BT_FIELD_CLASS_ID_REAL,
  59         BT_FIELD_CLASS_ID_STRING,
  60         BT_FIELD_CLASS_ID_STRUCTURE,
  61         BT_FIELD_CLASS_ID_STATIC_ARRAY,
  62         BT_FIELD_CLASS_ID_DYNAMIC_ARRAY,
  63         BT_FIELD_CLASS_ID_VARIANT,
  64 };
  65
  66 enum bt_field_class_integer_preferred_display_base {
  67         BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY,
  68         BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL,
  69         BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL,
  70         BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL,
  71 };
  72
  73 extern enum bt_field_class_id bt_field_class_get_id(
  74                 struct bt_field_class *field_class);
  75
  76 extern struct bt_field_class *bt_field_class_unsigned_integer_create(void);
  77
  78 extern struct bt_field_class *bt_field_class_signed_integer_create(void);
  79
  80 extern uint64_t bt_field_class_integer_get_field_value_range(
  81                 struct bt_field_class *field_class);
  82
  83 extern int bt_field_class_integer_set_field_value_range(
  84                 struct bt_field_class *field_class, uint64_t size);
  85
  86 extern enum bt_field_class_integer_preferred_display_base
  87 bt_field_class_integer_get_preferred_display_base(
  88                 struct bt_field_class *field_class);
  89
  90 extern int bt_field_class_integer_set_preferred_display_base(
  91                 struct bt_field_class *field_class,
  92                 enum bt_field_class_integer_preferred_display_base base);
  93
  94 extern struct bt_field_class *bt_field_class_real_create(void);
  95
  96 extern bt_bool bt_field_class_real_is_single_precision(
  97                 struct bt_field_class *field_class);
  98
  99 extern int bt_field_class_real_set_is_single_precision(
 100                 struct bt_field_class *field_class,
 101                 bt_bool is_single_precision);
 102
 103 extern struct bt_field_class *bt_field_class_unsigned_enumeration_create(void);
 104
 105 extern struct bt_field_class *bt_field_class_signed_enumeration_create(void);
 106
 107 extern uint64_t bt_field_class_enumeration_get_mapping_count(
 108                 struct bt_field_class *field_class);
 109
 110 extern void bt_field_class_unsigned_enumeration_borrow_mapping_by_index(
 111                 struct bt_field_class *field_class, uint64_t index,
 112                 const char **label,
 113                 struct bt_field_class_unsigned_enumeration_mapping_ranges **ranges);
 114
 115 extern void bt_field_class_signed_enumeration_borrow_mapping_by_index(
 116                 struct bt_field_class *field_class, uint64_t index,
 117                 const char **label,
 118                 struct bt_field_class_signed_enumeration_mapping_ranges **ranges);
 119
 120 extern uint64_t bt_field_class_unsigned_enumeration_mapping_ranges_get_range_count(
 121                 struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges);
 122
 123 extern uint64_t bt_field_class_signed_enumeration_mapping_ranges_get_range_count(
 124                 struct bt_field_class_signed_enumeration_mapping_ranges *ranges);
 125
 126 extern void bt_field_class_unsigned_enumeration_mapping_ranges_get_range_by_index(
 127                 struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges,
 128                 uint64_t index, uint64_t *lower, uint64_t *upper);
 129
 130 extern void bt_field_class_signed_enumeration_mapping_ranges_get_range_by_index(
 131                 struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges,
 132                 uint64_t index, int64_t *lower, int64_t *upper);
 133
 134 extern int bt_field_class_unsigned_enumeration_get_mapping_labels_by_value(
 135                 struct bt_field_class *field_class, uint64_t value,
 136                 bt_field_class_enumeration_mapping_label_array *label_array,
 137                 uint64_t *count);
 138
 139 extern int bt_field_class_signed_enumeration_get_mapping_labels_by_value(
 140                 struct bt_field_class *field_class, int64_t value,
 141                 bt_field_class_enumeration_mapping_label_array *label_array,
 142                 uint64_t *count);
 143
 144 extern int bt_field_class_unsigned_enumeration_map_range(
 145                 struct bt_field_class *field_class, const char *label,
 146                 uint64_t range_lower, uint64_t range_upper);
 147
 148 extern int bt_field_class_signed_enumeration_map_range(
 149                 struct bt_field_class *field_class, const char *label,
 150                 int64_t range_lower, int64_t range_upper);
 151
 152 extern struct bt_field_class *bt_field_class_string_create(void);
 153
 154 extern struct bt_field_class *bt_field_class_structure_create(void);
 155
 156 extern uint64_t bt_field_class_structure_get_member_count(
 157                 struct bt_field_class *field_class);
 158
 159 extern void bt_field_class_structure_borrow_member_by_index(
 160                 struct bt_field_class *struct_field_class, uint64_t index,
 161                 const char **name, struct bt_field_class **field_class);
 162
 163 extern
 164 struct bt_field_class *bt_field_class_structure_borrow_member_field_class_by_name(
 165                 struct bt_field_class *field_class, const char *name);
 166
 167 extern int bt_field_class_structure_append_member(
 168                 struct bt_field_class *struct_field_class, const char *name,
 169                 struct bt_field_class *field_class);
 170
 171 extern struct bt_field_class *bt_field_class_static_array_create(
 172                 struct bt_field_class *elem_field_class,
 173                 uint64_t length);
 174
 175 extern struct bt_field_class *bt_field_class_dynamic_array_create(
 176                 struct bt_field_class *elem_field_class);
 177
 178 extern struct bt_field_class *bt_field_class_array_borrow_element_field_class(
 179                 struct bt_field_class *field_class);
 180
 181 extern uint64_t bt_field_class_static_array_get_length(
 182                 struct bt_field_class *field_class);
 183
 184 extern struct bt_field_path *
 185 bt_field_class_dynamic_array_borrow_length_field_path(
 186                 struct bt_field_class *field_class);
 187
 188 extern int bt_field_class_dynamic_array_set_length_field_class(
 189                 struct bt_field_class *field_class,
 190                 struct bt_field_class *length_field_class);
 191
 192 extern struct bt_field_class *bt_field_class_variant_create(void);
 193
 194 extern struct bt_field_path *
 195 bt_field_class_variant_borrow_selector_field_path(
 196                 struct bt_field_class *field_class);
 197
 198 extern int bt_field_class_variant_set_selector_field_class(
 199                 struct bt_field_class *field_class,
 200                 struct bt_field_class *selector_field_class);
 201
 202 extern uint64_t bt_field_class_variant_get_option_count(
 203                 struct bt_field_class *field_class);
 204
 205 extern void bt_field_class_variant_borrow_option_by_index(
 206                 struct bt_field_class *variant_field_class, uint64_t index,
 207                 const char **name, struct bt_field_class **field_class);
 208
 209 extern
 210 struct bt_field_class *bt_field_class_variant_borrow_option_field_class_by_name(
 211                 struct bt_field_class *field_class,
 212                 const char *name);
 213
 214 extern int bt_field_class_variant_append_option(
 215                 struct bt_field_class *var_field_class,
 216                 const char *name, struct bt_field_class *field_class);
 217
 218 #ifdef __cplusplus
 219 }
 220 #endif
 221
 222 #endif /* BABELTRACE_TRACE_IR_FIELD_CLASSES_H */