summaryrefslogtreecommitdiff
path: root/libappstream-glib/as-content-rating.c
blob: 80f90520cb8138ddc5b606984ed787fa3c446559 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 *
 * Copyright (C) 2016 Richard Hughes <richard@hughsie.com>
 *
 * SPDX-License-Identifier: LGPL-2.1+
 */

/**
 * SECTION:as-content-rating
 * @short_description: Object representing a content rating
 * @include: appstream-glib.h
 * @stability: Unstable
 *
 * Content ratings are age-specific guidelines for applications.
 *
 * See also: #AsApp
 */

#include "config.h"

#include <glib/gi18n-lib.h>

#include "as-node-private.h"
#include "as-content-rating-private.h"
#include "as-ref-string.h"
#include "as-tag.h"

typedef struct {
	AsRefString		*id;
	AsContentRatingValue	 value;
} AsContentRatingKey;

typedef struct
{
	AsRefString		*kind;
	GPtrArray		*keys; /* of AsContentRatingKey */
} AsContentRatingPrivate;

G_DEFINE_TYPE_WITH_PRIVATE (AsContentRating, as_content_rating, G_TYPE_OBJECT)

#define GET_PRIVATE(o) (as_content_rating_get_instance_private (o))

typedef enum
{
	OARS_1_0,
	OARS_1_1,
} OarsVersion;

static gboolean is_oars_key (const gchar *id, OarsVersion version);

static void
as_content_rating_finalize (GObject *object)
{
	AsContentRating *content_rating = AS_CONTENT_RATING (object);
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);

	if (priv->kind != NULL)
		as_ref_string_unref (priv->kind);
	g_ptr_array_unref (priv->keys);

	G_OBJECT_CLASS (as_content_rating_parent_class)->finalize (object);
}

static void
as_content_rating_key_free (AsContentRatingKey *key)
{
	if (key->id != NULL)
		as_ref_string_unref (key->id);
	g_slice_free (AsContentRatingKey, key);
}

static void
as_content_rating_init (AsContentRating *content_rating)
{
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);
	priv->keys = g_ptr_array_new_with_free_func ((GDestroyNotify) as_content_rating_key_free);
}

static void
as_content_rating_class_init (AsContentRatingClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);
	object_class->finalize = as_content_rating_finalize;
}

static gint
ids_sort_cb (gconstpointer id_ptr_a, gconstpointer id_ptr_b)
{
	const gchar *id_a = *((const gchar **) id_ptr_a);
	const gchar *id_b = *((const gchar **) id_ptr_b);

	return g_strcmp0 (id_a, id_b);
}

/**
 * as_content_rating_get_rating_ids:
 * @content_rating: a #AsContentRating
 *
 * Gets the set of ratings IDs which are present in this @content_rating. An
 * example of a ratings ID is `violence-bloodshed`.
 *
 * The IDs are returned in lexicographical order.
 *
 * Returns: (array zero-terminated=1) (transfer container): %NULL-terminated
 *    array of ratings IDs; each ratings ID is owned by the #AsContentRating and
 *    must not be freed, but the container must be freed with g_free()
 *
 * Since: 0.7.15
 **/
const gchar **
as_content_rating_get_rating_ids (AsContentRating *content_rating)
{
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);
	GPtrArray *ids = g_ptr_array_new_with_free_func (NULL);
	guint i;

	g_return_val_if_fail (AS_IS_CONTENT_RATING (content_rating), NULL);

	for (i = 0; i < priv->keys->len; i++) {
		AsContentRatingKey *key = g_ptr_array_index (priv->keys, i);
		g_ptr_array_add (ids, key->id);
	}

	g_ptr_array_sort (ids, ids_sort_cb);
	g_ptr_array_add (ids, NULL);  /* NULL terminator */

	return (const gchar **) g_ptr_array_free (g_steal_pointer (&ids), FALSE);
}

/**
 * as_content_rating_get_value:
 * @content_rating: a #AsContentRating
 * @id: A ratings ID, e.g. `violence-bloodshed`.
 *
 * Gets the set value of a content rating key.
 *
 * Returns: the #AsContentRatingValue, or %AS_CONTENT_RATING_VALUE_UNKNOWN
 *
 * Since: 0.6.4
 **/
AsContentRatingValue
as_content_rating_get_value (AsContentRating *content_rating, const gchar *id)
{
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);
	g_return_val_if_fail (AS_IS_CONTENT_RATING (content_rating), AS_CONTENT_RATING_VALUE_UNKNOWN);
	guint i;
	for (i = 0; i < priv->keys->len; i++) {
		AsContentRatingKey *key = g_ptr_array_index (priv->keys, i);
		if (g_strcmp0 (key->id, id) == 0)
			return key->value;
	}

	/* According to the
	 * [OARS specification](https://github.com/hughsie/oars/blob/master/specification/oars-1.1.md),
	 * return %AS_CONTENT_RATING_VALUE_NONE if the #AsContentRating exists
	 * overall. Only return %AS_CONTENT_RATING_VALUE_UNKNOWN if the
	 * #AsContentRating doesn’t exist at all (or for other types of content
	 * rating). */
	if ((g_strcmp0 (priv->kind, "oars-1.0") == 0 && is_oars_key (id, OARS_1_0)) ||
	    (g_strcmp0 (priv->kind, "oars-1.1") == 0 && is_oars_key (id, OARS_1_1)))
		return AS_CONTENT_RATING_VALUE_NONE;
	else
		return AS_CONTENT_RATING_VALUE_UNKNOWN;
}

/**
 * as_content_rating_value_to_string:
 * @value: the #AsContentRatingValue.
 *
 * Converts the enumerated value to an text representation.
 *
 * Returns: string version of @value
 *
 * Since: 0.5.12
 **/
const gchar *
as_content_rating_value_to_string (AsContentRatingValue value)
{
	if (value == AS_CONTENT_RATING_VALUE_NONE)
		return "none";
	if (value == AS_CONTENT_RATING_VALUE_MILD)
		return "mild";
	if (value == AS_CONTENT_RATING_VALUE_MODERATE)
		return "moderate";
	if (value == AS_CONTENT_RATING_VALUE_INTENSE)
		return "intense";
	return "unknown";
}

/**
 * as_content_rating_value_from_string:
 * @value: the string.
 *
 * Converts the text representation to an enumerated value.
 *
 * Returns: a #AsContentRatingValue or %AS_CONTENT_RATING_VALUE_UNKNOWN for unknown
 *
 * Since: 0.5.12
 **/
AsContentRatingValue
as_content_rating_value_from_string (const gchar *value)
{
	if (g_strcmp0 (value, "none") == 0)
		return AS_CONTENT_RATING_VALUE_NONE;
	if (g_strcmp0 (value, "mild") == 0)
		return AS_CONTENT_RATING_VALUE_MILD;
	if (g_strcmp0 (value, "moderate") == 0)
		return AS_CONTENT_RATING_VALUE_MODERATE;
	if (g_strcmp0 (value, "intense") == 0)
		return AS_CONTENT_RATING_VALUE_INTENSE;
	return AS_CONTENT_RATING_VALUE_UNKNOWN;
}

static const gchar *rating_system_names[] = {
	[AS_CONTENT_RATING_SYSTEM_UNKNOWN] = NULL,
	[AS_CONTENT_RATING_SYSTEM_INCAA] = "INCAA",
	[AS_CONTENT_RATING_SYSTEM_ACB] = "ACB",
	[AS_CONTENT_RATING_SYSTEM_DJCTQ] = "DJCTQ",
	[AS_CONTENT_RATING_SYSTEM_GSRR] = "GSRR",
	[AS_CONTENT_RATING_SYSTEM_PEGI] = "PEGI",
	[AS_CONTENT_RATING_SYSTEM_KAVI] = "KAVI",
	[AS_CONTENT_RATING_SYSTEM_USK] = "USK",
	[AS_CONTENT_RATING_SYSTEM_ESRA] = "ESRA",
	[AS_CONTENT_RATING_SYSTEM_CERO] = "CERO",
	[AS_CONTENT_RATING_SYSTEM_OFLCNZ] = "OFLCNZ",
	[AS_CONTENT_RATING_SYSTEM_RUSSIA] = "RUSSIA",
	[AS_CONTENT_RATING_SYSTEM_MDA] = "MDA",
	[AS_CONTENT_RATING_SYSTEM_GRAC] = "GRAC",
	[AS_CONTENT_RATING_SYSTEM_ESRB] = "ESRB",
	[AS_CONTENT_RATING_SYSTEM_IARC] = "IARC",
};
G_STATIC_ASSERT (G_N_ELEMENTS (rating_system_names) == AS_CONTENT_RATING_SYSTEM_LAST);

/**
 * as_content_rating_system_to_string:
 * @system: an #AsContentRatingSystem
 *
 * Get a human-readable string to identify @system. %NULL will be returned for
 * %AS_CONTENT_RATING_SYSTEM_UNKNOWN.
 *
 * Returns: (nullable): a human-readable string for @system, or %NULL if unknown
 * Since: 0.7.18
 */
const gchar *
as_content_rating_system_to_string (AsContentRatingSystem system)
{
	if ((gint) system < AS_CONTENT_RATING_SYSTEM_UNKNOWN ||
	    (gint) system >= AS_CONTENT_RATING_SYSTEM_LAST)
		return NULL;

	return rating_system_names[system];
}

static char *
get_esrb_string (const gchar *source, const gchar *translate)
{
	if (g_strcmp0 (source, translate) == 0)
		return g_strdup (source);
	/* TRANSLATORS: This is the formatting of English and localized name
	 * of the rating e.g. "Adults Only (solo adultos)" */
	return g_strdup_printf (_("%s (%s)"), source, translate);
}

/**
 * as_content_rating_system_format_age:
 * @system: an #AsContentRatingSystem
 * @age: a CSM age to format
 *
 * Format @age as a human-readable string in the given rating @system. This is
 * the way to present system-specific strings in a UI.
 *
 * Returns: (transfer full) (nullable): a newly allocated formatted version of
 *    @age, or %NULL if the given @system has no representation for @age
 * Since: 0.7.18
 */
/* data obtained from https://en.wikipedia.org/wiki/Video_game_rating_system */
gchar *
as_content_rating_system_format_age (AsContentRatingSystem system, guint age)
{
	if (system == AS_CONTENT_RATING_SYSTEM_INCAA) {
		if (age >= 18)
			return g_strdup ("+18");
		if (age >= 13)
			return g_strdup ("+13");
		return g_strdup ("ATP");
	}
	if (system == AS_CONTENT_RATING_SYSTEM_ACB) {
		if (age >= 18)
			return g_strdup ("R18+");
		if (age >= 15)
			return g_strdup ("MA15+");
		return g_strdup ("PG");
	}
	if (system == AS_CONTENT_RATING_SYSTEM_DJCTQ) {
		if (age >= 18)
			return g_strdup ("18");
		if (age >= 16)
			return g_strdup ("16");
		if (age >= 14)
			return g_strdup ("14");
		if (age >= 12)
			return g_strdup ("12");
		if (age >= 10)
			return g_strdup ("10");
		return g_strdup ("L");
	}
	if (system == AS_CONTENT_RATING_SYSTEM_GSRR) {
		if (age >= 18)
			return g_strdup ("限制");
		if (age >= 15)
			return g_strdup ("輔15");
		if (age >= 12)
			return g_strdup ("輔12");
		if (age >= 6)
			return g_strdup ("保護");
		return g_strdup ("普通");
	}
	if (system == AS_CONTENT_RATING_SYSTEM_PEGI) {
		if (age >= 18)
			return g_strdup ("18");
		if (age >= 16)
			return g_strdup ("16");
		if (age >= 12)
			return g_strdup ("12");
		if (age >= 7)
			return g_strdup ("7");
		if (age >= 3)
			return g_strdup ("3");
		return NULL;
	}
	if (system == AS_CONTENT_RATING_SYSTEM_KAVI) {
		if (age >= 18)
			return g_strdup ("18+");
		if (age >= 16)
			return g_strdup ("16+");
		if (age >= 12)
			return g_strdup ("12+");
		if (age >= 7)
			return g_strdup ("7+");
		if (age >= 3)
			return g_strdup ("3+");
		return NULL;
	}
	if (system == AS_CONTENT_RATING_SYSTEM_USK) {
		if (age >= 18)
			return g_strdup ("18");
		if (age >= 16)
			return g_strdup ("16");
		if (age >= 12)
			return g_strdup ("12");
		if (age >= 6)
			return g_strdup ("6");
		return g_strdup ("0");
	}
	/* Reference: http://www.esra.org.ir/ */
	if (system == AS_CONTENT_RATING_SYSTEM_ESRA) {
		if (age >= 18)
			return g_strdup ("+18");
		if (age >= 15)
			return g_strdup ("+15");
		if (age >= 12)
			return g_strdup ("+12");
		if (age >= 7)
			return g_strdup ("+7");
		if (age >= 3)
			return g_strdup ("+3");
		return NULL;
	}
	if (system == AS_CONTENT_RATING_SYSTEM_CERO) {
		if (age >= 18)
			return g_strdup ("Z");
		if (age >= 17)
			return g_strdup ("D");
		if (age >= 15)
			return g_strdup ("C");
		if (age >= 12)
			return g_strdup ("B");
		return g_strdup ("A");
	}
	if (system == AS_CONTENT_RATING_SYSTEM_OFLCNZ) {
		if (age >= 18)
			return g_strdup ("R18");
		if (age >= 16)
			return g_strdup ("R16");
		if (age >= 15)
			return g_strdup ("R15");
		if (age >= 13)
			return g_strdup ("R13");
		return g_strdup ("G");
	}
	if (system == AS_CONTENT_RATING_SYSTEM_RUSSIA) {
		if (age >= 18)
			return g_strdup ("18+");
		if (age >= 16)
			return g_strdup ("16+");
		if (age >= 12)
			return g_strdup ("12+");
		if (age >= 6)
			return g_strdup ("6+");
		return g_strdup ("0+");
	}
	if (system == AS_CONTENT_RATING_SYSTEM_MDA) {
		if (age >= 18)
			return g_strdup ("M18");
		if (age >= 16)
			return g_strdup ("ADV");
		return get_esrb_string ("General", _("General"));
	}
	if (system == AS_CONTENT_RATING_SYSTEM_GRAC) {
		if (age >= 18)
			return g_strdup ("18");
		if (age >= 15)
			return g_strdup ("15");
		if (age >= 12)
			return g_strdup ("12");
		return get_esrb_string ("ALL", _("ALL"));
	}
	if (system == AS_CONTENT_RATING_SYSTEM_ESRB) {
		if (age >= 18)
			return get_esrb_string ("Adults Only", _("Adults Only"));
		if (age >= 17)
			return get_esrb_string ("Mature", _("Mature"));
		if (age >= 13)
			return get_esrb_string ("Teen", _("Teen"));
		if (age >= 10)
			return get_esrb_string ("Everyone 10+", _("Everyone 10+"));
		if (age >= 6)
			return get_esrb_string ("Everyone", _("Everyone"));

		return get_esrb_string ("Early Childhood", _("Early Childhood"));
	}
	/* IARC = everything else */
	if (age >= 18)
		return g_strdup ("18+");
	if (age >= 16)
		return g_strdup ("16+");
	if (age >= 12)
		return g_strdup ("12+");
	if (age >= 7)
		return g_strdup ("7+");
	if (age >= 3)
		return g_strdup ("3+");
	return NULL;
}

static const gchar *content_rating_strings[AS_CONTENT_RATING_SYSTEM_LAST][7] = {
	/* AS_CONTENT_RATING_SYSTEM_UNKNOWN is handled in code */
	[AS_CONTENT_RATING_SYSTEM_INCAA] = { "ATP", "+13", "+18", NULL },
	[AS_CONTENT_RATING_SYSTEM_ACB] = { "PG", "MA15+", "R18+", NULL },
	[AS_CONTENT_RATING_SYSTEM_DJCTQ] = { "L", "10", "12", "14", "16", "18", NULL },
	[AS_CONTENT_RATING_SYSTEM_GSRR] = { "普通", "保護", "輔12", "輔15", "限制", NULL },
	[AS_CONTENT_RATING_SYSTEM_PEGI] = { "3", "7", "12", "16", "18", NULL },
	[AS_CONTENT_RATING_SYSTEM_KAVI] = { "3+", "7+", "12+", "16+", "18+", NULL },
	[AS_CONTENT_RATING_SYSTEM_USK] = { "0", "6", "12", "16", "18", NULL },
	[AS_CONTENT_RATING_SYSTEM_ESRA] = { "+3", "+7", "+12", "+15", "+18", NULL },
	[AS_CONTENT_RATING_SYSTEM_CERO] = { "A", "B", "C", "D", "Z", NULL },
	[AS_CONTENT_RATING_SYSTEM_OFLCNZ] = { "G", "R13", "R15", "R16", "R18", NULL },
	[AS_CONTENT_RATING_SYSTEM_RUSSIA] = { "0+", "6+", "12+", "16+", "18+", NULL },
	[AS_CONTENT_RATING_SYSTEM_MDA] = { "General", "ADV", "M18", NULL },
	[AS_CONTENT_RATING_SYSTEM_GRAC] = { "ALL", "12", "15", "18", NULL },
	/* Note: ESRB has locale-specific suffixes, so needs special further
	 * handling in code. These strings are just the locale-independent parts. */
	[AS_CONTENT_RATING_SYSTEM_ESRB] = { "Early Childhood", "Everyone", "Everyone 10+", "Teen", "Mature", "Adults Only", NULL },
	[AS_CONTENT_RATING_SYSTEM_IARC] = { "3+", "7+", "12+", "16+", "18+", NULL },
};

/**
 * as_content_rating_system_get_formatted_ages:
 * @system: an #AsContentRatingSystem
 *
 * Get an array of all the possible return values of
 * as_content_rating_system_format_age() for the given @system. The array is
 * sorted with youngest CSM age first.
 *
 * Returns: (transfer full): %NULL-terminated array of human-readable age strings
 * Since: 0.7.18
 */
gchar **
as_content_rating_system_get_formatted_ages (AsContentRatingSystem system)
{
	g_return_val_if_fail ((int) system < AS_CONTENT_RATING_SYSTEM_LAST, NULL);

	/* IARC is the fallback for everything */
	if (system == AS_CONTENT_RATING_SYSTEM_UNKNOWN)
		system = AS_CONTENT_RATING_SYSTEM_IARC;

	/* ESRB is special as it requires localised suffixes */
	if (system == AS_CONTENT_RATING_SYSTEM_ESRB) {
		g_auto(GStrv) esrb_ages = g_new0 (gchar *, 7);

		esrb_ages[0] = get_esrb_string (content_rating_strings[system][0], _("Early Childhood"));
		esrb_ages[1] = get_esrb_string (content_rating_strings[system][1], _("Everyone"));
		esrb_ages[2] = get_esrb_string (content_rating_strings[system][2], _("Everyone 10+"));
		esrb_ages[3] = get_esrb_string (content_rating_strings[system][3], _("Teen"));
		esrb_ages[4] = get_esrb_string (content_rating_strings[system][4], _("Mature"));
		esrb_ages[5] = get_esrb_string (content_rating_strings[system][5], _("Adults Only"));
		esrb_ages[6] = NULL;

		return g_steal_pointer (&esrb_ages);
	}

	return g_strdupv ((gchar **) content_rating_strings[system]);
}

static guint content_rating_csm_ages[AS_CONTENT_RATING_SYSTEM_LAST][7] = {
	/* AS_CONTENT_RATING_SYSTEM_UNKNOWN is handled in code */
	[AS_CONTENT_RATING_SYSTEM_INCAA] = { 0, 13, 18 },
	[AS_CONTENT_RATING_SYSTEM_ACB] = { 0, 15, 18 },
	[AS_CONTENT_RATING_SYSTEM_DJCTQ] = { 0, 10, 12, 14, 16, 18 },
	[AS_CONTENT_RATING_SYSTEM_GSRR] = { 0, 6, 12, 15, 18 },
	[AS_CONTENT_RATING_SYSTEM_PEGI] = { 3, 7, 12, 16, 18 },
	[AS_CONTENT_RATING_SYSTEM_KAVI] = { 3, 7, 12, 16, 18 },
	[AS_CONTENT_RATING_SYSTEM_USK] = { 0, 6, 12, 16, 18 },
	[AS_CONTENT_RATING_SYSTEM_ESRA] = { 3, 7, 12, 15, 18 },
	[AS_CONTENT_RATING_SYSTEM_CERO] = { 0, 12, 15, 17, 18 },
	[AS_CONTENT_RATING_SYSTEM_OFLCNZ] = { 0, 13, 15, 16, 18 },
	[AS_CONTENT_RATING_SYSTEM_RUSSIA] = { 0, 6, 12, 16, 18 },
	[AS_CONTENT_RATING_SYSTEM_MDA] = { 0, 16, 18 },
	[AS_CONTENT_RATING_SYSTEM_GRAC] = { 0, 12, 15, 18 },
	[AS_CONTENT_RATING_SYSTEM_ESRB] = { 0, 6, 10, 13, 17, 18 },
	[AS_CONTENT_RATING_SYSTEM_IARC] = { 3, 7, 12, 16, 18 },
};

/**
 * as_content_rating_system_get_csm_ages:
 * @system: an #AsContentRatingSystem
 * @length_out: (out) (not optional): return location for the length of the
 *    returned array
 *
 * Get the CSM ages corresponding to the entries returned by
 * as_content_rating_system_get_formatted_ages() for this @system.
 *
 * Returns: (transfer container) (array length=length_out): an array of CSM ages
 * Since: 0.7.18
 */
const guint *
as_content_rating_system_get_csm_ages (AsContentRatingSystem system, gsize *length_out)
{
	g_return_val_if_fail ((int) system < AS_CONTENT_RATING_SYSTEM_LAST, NULL);
	g_return_val_if_fail (length_out != NULL, NULL);

	/* IARC is the fallback for everything */
	if (system == AS_CONTENT_RATING_SYSTEM_UNKNOWN)
		system = AS_CONTENT_RATING_SYSTEM_IARC;

	*length_out = g_strv_length ((gchar **) content_rating_strings[system]);
	return content_rating_csm_ages[system];
}

/*
 * parse_locale:
 * @locale: (transfer full): a locale to parse
 * @language_out: (out) (optional) (nullable): return location for the parsed
 *    language, or %NULL to ignore
 * @territory_out: (out) (optional) (nullable): return location for the parsed
 *    territory, or %NULL to ignore
 * @codeset_out: (out) (optional) (nullable): return location for the parsed
 *    codeset, or %NULL to ignore
 * @modifier_out: (out) (optional) (nullable): return location for the parsed
 *    modifier, or %NULL to ignore
 *
 * Parse @locale as a locale string of the form
 * `language[_territory][.codeset][@modifier]` — see `man 3 setlocale` for
 * details.
 *
 * On success, %TRUE will be returned, and the components of the locale will be
 * returned in the given addresses, with each component not including any
 * separators. Otherwise, %FALSE will be returned and the components will be set
 * to %NULL.
 *
 * @locale is modified, and any returned non-%NULL pointers will point inside
 * it.
 *
 * Returns: %TRUE on success, %FALSE otherwise
 */
static gboolean
parse_locale (gchar *locale  /* (transfer full) */,
	      const gchar **language_out,
	      const gchar **territory_out,
	      const gchar **codeset_out,
	      const gchar **modifier_out)
{
	gchar *separator;
	const gchar *language = NULL, *territory = NULL, *codeset = NULL, *modifier = NULL;

	separator = strrchr (locale, '@');
	if (separator != NULL) {
		modifier = separator + 1;
		*separator = '\0';
	}

	separator = strrchr (locale, '.');
	if (separator != NULL) {
		codeset = separator + 1;
		*separator = '\0';
	}

	separator = strrchr (locale, '_');
	if (separator != NULL) {
		territory = separator + 1;
		*separator = '\0';
	}

	language = locale;

	/* Parse failure? */
	if (*language == '\0') {
		language = NULL;
		territory = NULL;
		codeset = NULL;
		modifier = NULL;
	}

	if (language_out != NULL)
		*language_out = language;
	if (territory_out != NULL)
		*territory_out = territory;
	if (codeset_out != NULL)
		*codeset_out = codeset;
	if (modifier_out != NULL)
		*modifier_out = modifier;

	return (language != NULL);
}

/**
 * as_content_rating_system_from_locale:
 * @locale: a locale, in the format described in `man 3 setlocale`
 *
 * Determine the most appropriate #AsContentRatingSystem for the given @locale.
 * Content rating systems are selected by territory. If no content rating system
 * seems suitable, %AS_CONTENT_RATING_SYSTEM_IARC is returned.
 *
 * Returns: the most relevant #AsContentRatingSystem
 * Since: 0.7.18
 */
/* data obtained from https://en.wikipedia.org/wiki/Video_game_rating_system */
AsContentRatingSystem
as_content_rating_system_from_locale (const gchar *locale)
{
	g_autofree gchar *locale_copy = g_strdup (locale);
	const gchar *territory;

	/* Default to IARC for locales which can’t be parsed. */
	if (!parse_locale (locale_copy, NULL, &territory, NULL, NULL))
		return AS_CONTENT_RATING_SYSTEM_IARC;

	/* Argentina */
	if (g_strcmp0 (territory, "AR") == 0)
		return AS_CONTENT_RATING_SYSTEM_INCAA;

	/* Australia */
	if (g_strcmp0 (territory, "AU") == 0)
		return AS_CONTENT_RATING_SYSTEM_ACB;

	/* Brazil */
	if (g_strcmp0 (territory, "BR") == 0)
		return AS_CONTENT_RATING_SYSTEM_DJCTQ;

	/* Taiwan */
	if (g_strcmp0 (territory, "TW") == 0)
		return AS_CONTENT_RATING_SYSTEM_GSRR;

	/* Europe (but not Finland or Germany), India, Israel,
	 * Pakistan, Quebec, South Africa */
	if ((g_strcmp0 (territory, "GB") == 0) ||
	    g_strcmp0 (territory, "AL") == 0 ||
	    g_strcmp0 (territory, "AD") == 0 ||
	    g_strcmp0 (territory, "AM") == 0 ||
	    g_strcmp0 (territory, "AT") == 0 ||
	    g_strcmp0 (territory, "AZ") == 0 ||
	    g_strcmp0 (territory, "BY") == 0 ||
	    g_strcmp0 (territory, "BE") == 0 ||
	    g_strcmp0 (territory, "BA") == 0 ||
	    g_strcmp0 (territory, "BG") == 0 ||
	    g_strcmp0 (territory, "HR") == 0 ||
	    g_strcmp0 (territory, "CY") == 0 ||
	    g_strcmp0 (territory, "CZ") == 0 ||
	    g_strcmp0 (territory, "DK") == 0 ||
	    g_strcmp0 (territory, "EE") == 0 ||
	    g_strcmp0 (territory, "FR") == 0 ||
	    g_strcmp0 (territory, "GE") == 0 ||
	    g_strcmp0 (territory, "GR") == 0 ||
	    g_strcmp0 (territory, "HU") == 0 ||
	    g_strcmp0 (territory, "IS") == 0 ||
	    g_strcmp0 (territory, "IT") == 0 ||
	    g_strcmp0 (territory, "LZ") == 0 ||
	    g_strcmp0 (territory, "XK") == 0 ||
	    g_strcmp0 (territory, "LV") == 0 ||
	    g_strcmp0 (territory, "FL") == 0 ||
	    g_strcmp0 (territory, "LU") == 0 ||
	    g_strcmp0 (territory, "LT") == 0 ||
	    g_strcmp0 (territory, "MK") == 0 ||
	    g_strcmp0 (territory, "MT") == 0 ||
	    g_strcmp0 (territory, "MD") == 0 ||
	    g_strcmp0 (territory, "MC") == 0 ||
	    g_strcmp0 (territory, "ME") == 0 ||
	    g_strcmp0 (territory, "NL") == 0 ||
	    g_strcmp0 (territory, "NO") == 0 ||
	    g_strcmp0 (territory, "PL") == 0 ||
	    g_strcmp0 (territory, "PT") == 0 ||
	    g_strcmp0 (territory, "RO") == 0 ||
	    g_strcmp0 (territory, "SM") == 0 ||
	    g_strcmp0 (territory, "RS") == 0 ||
	    g_strcmp0 (territory, "SK") == 0 ||
	    g_strcmp0 (territory, "SI") == 0 ||
	    g_strcmp0 (territory, "ES") == 0 ||
	    g_strcmp0 (territory, "SE") == 0 ||
	    g_strcmp0 (territory, "CH") == 0 ||
	    g_strcmp0 (territory, "TR") == 0 ||
	    g_strcmp0 (territory, "UA") == 0 ||
	    g_strcmp0 (territory, "VA") == 0 ||
	    g_strcmp0 (territory, "IN") == 0 ||
	    g_strcmp0 (territory, "IL") == 0 ||
	    g_strcmp0 (territory, "PK") == 0 ||
	    g_strcmp0 (territory, "ZA") == 0)
		return AS_CONTENT_RATING_SYSTEM_PEGI;

	/* Finland */
	if (g_strcmp0 (territory, "FI") == 0)
		return AS_CONTENT_RATING_SYSTEM_KAVI;

	/* Germany */
	if (g_strcmp0 (territory, "DE") == 0)
		return AS_CONTENT_RATING_SYSTEM_USK;

	/* Iran */
	if (g_strcmp0 (territory, "IR") == 0)
		return AS_CONTENT_RATING_SYSTEM_ESRA;

	/* Japan */
	if (g_strcmp0 (territory, "JP") == 0)
		return AS_CONTENT_RATING_SYSTEM_CERO;

	/* New Zealand */
	if (g_strcmp0 (territory, "NZ") == 0)
		return AS_CONTENT_RATING_SYSTEM_OFLCNZ;

	/* Russia: Content rating law */
	if (g_strcmp0 (territory, "RU") == 0)
		return AS_CONTENT_RATING_SYSTEM_RUSSIA;

	/* Singapore */
	if (g_strcmp0 (territory, "SQ") == 0)
		return AS_CONTENT_RATING_SYSTEM_MDA;

	/* South Korea */
	if (g_strcmp0 (territory, "KR") == 0)
		return AS_CONTENT_RATING_SYSTEM_GRAC;

	/* USA, Canada, Mexico */
	if ((g_strcmp0 (territory, "US") == 0) ||
	    g_strcmp0 (territory, "CA") == 0 ||
	    g_strcmp0 (territory, "MX") == 0)
		return AS_CONTENT_RATING_SYSTEM_ESRB;

	/* everything else is IARC */
	return AS_CONTENT_RATING_SYSTEM_IARC;
}

/* Table of the human-readable descriptions for each #AsContentRatingValue for
 * each content rating category. @desc_none must be non-%NULL, but the other
 * values may be %NULL if no description is appropriate. In that case, the next
 * non-%NULL description for a lower #AsContentRatingValue will be used. */
static const struct {
	const gchar *id;  /* (not nullable) */
	const gchar *desc_none;  /* (not nullable) */
	const gchar *desc_mild;  /* (nullable) */
	const gchar *desc_moderate;  /* (nullable) */
	const gchar *desc_intense;  /* (nullable) */
} oars_descriptions[] = {
	{
		"violence-cartoon",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No cartoon violence"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Cartoon characters in unsafe situations"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Cartoon characters in aggressive conflict"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic violence involving cartoon characters"),
	},
	{
		"violence-fantasy",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No fantasy violence"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Characters in unsafe situations easily distinguishable from reality"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Characters in aggressive conflict easily distinguishable from reality"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic violence easily distinguishable from reality"),
	},
	{
		"violence-realistic",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No realistic violence"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Mildly realistic characters in unsafe situations"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Depictions of realistic characters in aggressive conflict"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic violence involving realistic characters"),
	},
	{
		"violence-bloodshed",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No bloodshed"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Unrealistic bloodshed"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Realistic bloodshed"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Depictions of bloodshed and the mutilation of body parts"),
	},
	{
		"violence-sexual",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No sexual violence"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Rape or other violent sexual behavior"),
		NULL,
		NULL,
	},
	{
		"drugs-alcohol",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to alcohol"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("References to alcoholic beverages"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Use of alcoholic beverages"),
		NULL,
	},
	{
		"drugs-narcotics",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to illicit drugs"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("References to illicit drugs"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Use of illicit drugs"),
		NULL,
	},
	{
		"drugs-tobacco",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to tobacco products"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("References to tobacco products"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Use of tobacco products"),
		NULL,
	},
	{
		"sex-nudity",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No nudity of any sort"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Brief artistic nudity"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Prolonged nudity"),
		NULL,
	},
	{
		"sex-themes",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to or depictions of sexual nature"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Provocative references or depictions"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Sexual references or depictions"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic sexual behavior"),
	},
	{
		"language-profanity",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No profanity of any kind"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Mild or infrequent use of profanity"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Moderate use of profanity"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Strong or frequent use of profanity"),
	},
	{
		"language-humor",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No inappropriate humor"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Slapstick humor"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Vulgar or bathroom humor"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Mature or sexual humor"),
	},
	{
		"language-discrimination",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No discriminatory language of any kind"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Negativity towards a specific group of people"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Discrimination designed to cause emotional harm"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Explicit discrimination based on gender, sexuality, race or religion"),
	},
	{
		"money-advertising",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No advertising of any kind"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Product placement"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Explicit references to specific brands or trademarked products"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Users are encouraged to purchase specific real-world items"),
	},
	{
		"money-gambling",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No gambling of any kind"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Gambling on random events using tokens or credits"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Gambling using “play” money"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Gambling using real money"),
	},
	{
		"money-purchasing",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No ability to spend money"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Users are encouraged to donate real money"),
		NULL,
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Ability to spend real money in-app"),
	},
	{
		"social-chat",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No way to chat with other users"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("User-to-user interactions without chat functionality"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Moderated chat functionality between users"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Uncontrolled chat functionality between users"),
	},
	{
		"social-audio",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No way to talk with other users"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Uncontrolled audio or video chat functionality between users"),
		NULL,
		NULL,
	},
	{
		"social-contacts",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No sharing of social network usernames or email addresses"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Sharing social network usernames or email addresses"),
		NULL,
		NULL,
	},
	{
		"social-info",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No sharing of user information with third parties"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Checking for the latest application version"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Sharing diagnostic data that does not let others identify the user"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Sharing information that lets others identify the user"),
	},
	{
		"social-location",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No sharing of physical location with other users"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Sharing physical location with other users"),
		NULL,
		NULL,
	},

	/* v1.1 */
	{
		/* Why is there an OARS category which discriminates based on sexual orientation?
		 * It’s because there are, very unfortunately, still countries in the world in
		 * which homosexuality, or software which refers to it, is illegal. In order to be
		 * able to ship FOSS in those countries, there needs to be a mechanism for apps to
		 * describe whether they refer to anything illegal, and for ratings mechanisms in
		 * those countries to filter out any apps which describe themselves as such.
		 *
		 * As a counterpoint, it’s illegal in many more countries to discriminate on the
		 * basis of sexual orientation, so this category is treated exactly the same as
		 * sex-themes (once the intensities of the ratings levels for both categories are
		 * normalised) in those countries.
		 *
		 * The differences between countries are handled through handling #AsContentRatingSystem
		 * values differently. */
		"sex-homosexuality",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to homosexuality"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Indirect references to homosexuality"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Kissing between people of the same gender"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic sexual behavior between people of the same gender"),
	},
	{
		"sex-prostitution",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to prostitution"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Indirect references to prostitution"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Direct references to prostitution"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic depictions of the act of prostitution"),
	},
	{
		"sex-adultery",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to adultery"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Indirect references to adultery"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Direct references to adultery"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic depictions of the act of adultery"),
	},
	{
		"sex-appearance",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No sexualized characters"),
		NULL,
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Scantily clad human characters"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Overtly sexualized human characters"),
	},
	{
		"violence-worship",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to desecration"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Depictions of or references to historical desecration"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Depictions of modern-day human desecration"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic depictions of modern-day desecration"),
	},
	{
		"violence-desecration",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No visible dead human remains"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Visible dead human remains"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Dead human remains that are exposed to the elements"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic depictions of desecration of human bodies"),
	},
	{
		"violence-slavery",
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("No references to slavery"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Depictions of or references to historical slavery"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Depictions of modern-day slavery"),
		/* TRANSLATORS: content rating description, see https://hughsie.github.io/oars/ */
		N_("Graphic depictions of modern-day slavery"),
	},
};

/**
 * as_content_rating_attribute_get_description:
 * @id: the subsection ID e.g. `violence-cartoon`
 * @value: the #AsContentRatingValue, e.g. %AS_CONTENT_RATING_VALUE_INTENSE
 *
 * Get a human-readable description of what content would be expected to
 * require the content rating attribute given by @id and @value.
 *
 * Returns: a human-readable description of @id and @value
 * Since: 0.7.18
 */
const gchar *
as_content_rating_attribute_get_description (const gchar *id, AsContentRatingValue value)
{
	gsize i;

	if ((gint) value < AS_CONTENT_RATING_VALUE_NONE ||
	    (gint) value > AS_CONTENT_RATING_VALUE_INTENSE)
		return NULL;

	for (i = 0; i < G_N_ELEMENTS (oars_descriptions); i++) {
		if (!g_str_equal (oars_descriptions[i].id, id))
			continue;

		/* Return the most-intense non-NULL string. */
		if (oars_descriptions[i].desc_intense != NULL && value >= AS_CONTENT_RATING_VALUE_INTENSE)
			return _(oars_descriptions[i].desc_intense);
		if (oars_descriptions[i].desc_moderate != NULL && value >= AS_CONTENT_RATING_VALUE_MODERATE)
			return _(oars_descriptions[i].desc_moderate);
		if (oars_descriptions[i].desc_mild != NULL && value >= AS_CONTENT_RATING_VALUE_MILD)
			return _(oars_descriptions[i].desc_mild);
		if (oars_descriptions[i].desc_none != NULL && value >= AS_CONTENT_RATING_VALUE_NONE)
			return _(oars_descriptions[i].desc_none);
		g_assert_not_reached ();
	}

	/* This means the requested @id is missing from @oars_descriptions, so
	 * presumably the OARS spec has been updated but appstream-glib hasn’t. */
	g_warn_if_reached ();

	return NULL;
}

/* The struct definition below assumes we don’t grow more
 * #AsContentRating values. */
G_STATIC_ASSERT (AS_CONTENT_RATING_VALUE_LAST == AS_CONTENT_RATING_VALUE_INTENSE + 1);

static const struct {
	const gchar	*id;
	OarsVersion	 oars_version;  /* when the key was first added */
	guint		 csm_age_none;  /* for %AS_CONTENT_RATING_VALUE_NONE */
	guint		 csm_age_mild;  /* for %AS_CONTENT_RATING_VALUE_MILD */
	guint		 csm_age_moderate;  /* for %AS_CONTENT_RATING_VALUE_MODERATE */
	guint		 csm_age_intense;  /* for %AS_CONTENT_RATING_VALUE_INTENSE */
} oars_to_csm_mappings[] =  {
	/* Each @id must only appear once. The set of @csm_age_* values for a
	 * given @id must be complete and non-decreasing. */
	/* v1.0 */
	{ "violence-cartoon",	OARS_1_0, 0, 3, 4, 6 },
	{ "violence-fantasy",	OARS_1_0, 0, 3, 7, 8 },
	{ "violence-realistic",	OARS_1_0, 0, 4, 9, 14 },
	{ "violence-bloodshed",	OARS_1_0, 0, 9, 11, 18 },
	{ "violence-sexual",	OARS_1_0, 0, 18, 18, 18 },
	{ "drugs-alcohol",	OARS_1_0, 0, 11, 13, 16 },
	{ "drugs-narcotics",	OARS_1_0, 0, 12, 14, 17 },
	{ "drugs-tobacco",	OARS_1_0, 0, 10, 13, 13 },
	{ "sex-nudity",		OARS_1_0, 0, 12, 14, 14 },
	{ "sex-themes",		OARS_1_0, 0, 13, 14, 15 },
	{ "language-profanity",	OARS_1_0, 0, 8, 11, 14 },
	{ "language-humor",	OARS_1_0, 0, 3, 8, 14 },
	{ "language-discrimination", OARS_1_0, 0, 9, 10, 11 },
	{ "money-advertising",	OARS_1_0, 0, 7, 8, 10 },
	{ "money-gambling",	OARS_1_0, 0, 7, 10, 18 },
	{ "money-purchasing",	OARS_1_0, 0, 12, 14, 15 },
	{ "social-chat",	OARS_1_0, 0, 4, 10, 13 },
	{ "social-audio",	OARS_1_0, 0, 15, 15, 15 },
	{ "social-contacts",	OARS_1_0, 0, 12, 12, 12 },
	{ "social-info",	OARS_1_0, 0, 0, 13, 13 },
	{ "social-location",	OARS_1_0, 0, 13, 13, 13 },
	/* v1.1 additions */
	{ "sex-homosexuality",	OARS_1_1, 0, 13, 14, 15 },
	{ "sex-prostitution",	OARS_1_1, 0, 12, 14, 18 },
	{ "sex-adultery",	OARS_1_1, 0, 8, 10, 18 },
	{ "sex-appearance",	OARS_1_1, 0, 10, 10, 15 },
	{ "violence-worship",	OARS_1_1, 0, 13, 15, 18 },
	{ "violence-desecration", OARS_1_1, 0, 13, 15, 18 },
	{ "violence-slavery",	OARS_1_1, 0, 13, 15, 18 },
};

static gboolean
is_oars_key (const gchar *id, OarsVersion version)
{
	for (gsize i = 0; i < G_N_ELEMENTS (oars_to_csm_mappings); i++) {
		if (g_str_equal (id, oars_to_csm_mappings[i].id))
			return (oars_to_csm_mappings[i].oars_version <= version);
	}
	return FALSE;
}

/**
 * as_content_rating_attribute_to_csm_age:
 * @id: the subsection ID e.g. `violence-cartoon`
 * @value: the #AsContentRatingValue, e.g. %AS_CONTENT_RATING_VALUE_INTENSE
 *
 * Gets the Common Sense Media approved age for a specific rating level.
 *
 * Returns: The age in years, or 0 for no details.
 *
 * Since: 0.7.15
 **/
guint
as_content_rating_attribute_to_csm_age (const gchar *id, AsContentRatingValue value)
{
	if (value == AS_CONTENT_RATING_VALUE_UNKNOWN ||
	    value == AS_CONTENT_RATING_VALUE_LAST)
		return 0;

	for (gsize i = 0; i < G_N_ELEMENTS (oars_to_csm_mappings); i++) {
		if (g_str_equal (id, oars_to_csm_mappings[i].id)) {
			switch (value) {
			case AS_CONTENT_RATING_VALUE_NONE:
				return oars_to_csm_mappings[i].csm_age_none;
			case AS_CONTENT_RATING_VALUE_MILD:
				return oars_to_csm_mappings[i].csm_age_mild;
			case AS_CONTENT_RATING_VALUE_MODERATE:
				return oars_to_csm_mappings[i].csm_age_moderate;
			case AS_CONTENT_RATING_VALUE_INTENSE:
				return oars_to_csm_mappings[i].csm_age_intense;
			case AS_CONTENT_RATING_VALUE_UNKNOWN:
			case AS_CONTENT_RATING_VALUE_LAST:
			default:
				/* Handled above. */
				g_assert_not_reached ();
				return 0;
			}
		}
	}

	/* @id not found. */
	return 0;
}

/**
 * as_content_rating_attribute_from_csm_age:
 * @id: the subsection ID e.g. `violence-cartoon`
 * @age: the CSM age
 *
 * Gets the highest #AsContentRatingValue which is allowed to be seen by the
 * given Common Sense Media @age for the given subsection @id.
 *
 * For example, if the CSM age mappings for `violence-bloodshed` are:
 *  * age ≥ 0 for %AS_CONTENT_RATING_VALUE_NONE
 *  * age ≥ 9 for %AS_CONTENT_RATING_VALUE_MILD
 *  * age ≥ 11 for %AS_CONTENT_RATING_VALUE_MODERATE
 *  * age ≥ 18 for %AS_CONTENT_RATING_VALUE_INTENSE
 * then calling this function with `violence-bloodshed` and @age set to 17 would
 * return %AS_CONTENT_RATING_VALUE_MODERATE. Calling it with age 18 would
 * return %AS_CONTENT_RATING_VALUE_INTENSE.
 *
 * Returns: the #AsContentRatingValue, or %AS_CONTENT_RATING_VALUE_UNKNOWN if
 *    unknown
 * Since: 0.7.18
 */
AsContentRatingValue
as_content_rating_attribute_from_csm_age (const gchar *id, guint age)
{
	for (gsize i = 0; G_N_ELEMENTS (oars_to_csm_mappings); i++) {
		if (g_strcmp0 (id, oars_to_csm_mappings[i].id) == 0) {
			if (age >= oars_to_csm_mappings[i].csm_age_intense)
				return AS_CONTENT_RATING_VALUE_INTENSE;
			else if (age >= oars_to_csm_mappings[i].csm_age_moderate)
				return AS_CONTENT_RATING_VALUE_MODERATE;
			else if (age >= oars_to_csm_mappings[i].csm_age_mild)
				return AS_CONTENT_RATING_VALUE_MILD;
			else if (age >= oars_to_csm_mappings[i].csm_age_none)
				return AS_CONTENT_RATING_VALUE_NONE;
			else
				return AS_CONTENT_RATING_VALUE_UNKNOWN;
		}
	}

	return AS_CONTENT_RATING_VALUE_UNKNOWN;
}

/**
 * as_content_rating_get_all_rating_ids:
 *
 * Returns a list of all the valid OARS content rating attribute IDs as could
 * be passed to as_content_rating_add_attribute() or
 * as_content_rating_attribute_to_csm_age().
 *
 * Returns: (array zero-terminated=1) (transfer container): a %NULL-terminated
 *    array of IDs, to be freed with g_free() (the element values are owned by
 *    libappstream-glib and must not be freed)
 * Since: 0.7.15
 */
const gchar **
as_content_rating_get_all_rating_ids (void)
{
	g_autofree const gchar **ids = NULL;

	ids = g_new0 (const gchar *, G_N_ELEMENTS (oars_to_csm_mappings) + 1 /* NULL terminator */);
	for (gsize i = 0; i < G_N_ELEMENTS (oars_to_csm_mappings); i++)
		ids[i] = oars_to_csm_mappings[i].id;

	return g_steal_pointer (&ids);
}

/**
 * as_content_rating_get_minimum_age:
 * @content_rating: a #AsContentRating
 *
 * Gets the lowest Common Sense Media approved age for the content_rating block.
 * NOTE: these numbers are based on the data and descriptions available from
 * https://www.commonsensemedia.org/about-us/our-mission/about-our-ratings and
 * you may disagree with them.
 *
 * You're free to disagree with these, and of course you should use your own
 * brain to work our if your child is able to cope with the concepts enumerated
 * here. Some 13 year olds may be fine with the concept of mutilation of body
 * parts; others may get nightmares.
 *
 * Returns: The age in years, 0 for no rating, or G_MAXUINT for no details.
 *
 * Since: 0.5.12
 **/
guint
as_content_rating_get_minimum_age (AsContentRating *content_rating)
{
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);
	guint i;
	guint csm_age = 0;

	g_return_val_if_fail (AS_IS_CONTENT_RATING (content_rating), 0);

	/* check kind */
	if (g_strcmp0 (priv->kind, "oars-1.0") != 0 &&
	    g_strcmp0 (priv->kind, "oars-1.1") != 0)
		return G_MAXUINT;

	for (i = 0; i < priv->keys->len; i++) {
		AsContentRatingKey *key;
		guint csm_tmp;
		key = g_ptr_array_index (priv->keys, i);
		csm_tmp = as_content_rating_attribute_to_csm_age (key->id, key->value);
		if (csm_tmp > 0 && csm_tmp > csm_age)
			csm_age = csm_tmp;
	}
	return csm_age;
}

/**
 * as_content_rating_get_kind:
 * @content_rating: a #AsContentRating instance.
 *
 * Gets the content_rating kind.
 *
 * Returns: a string, e.g. "oars-1.0", or NULL
 *
 * Since: 0.5.12
 **/
const gchar *
as_content_rating_get_kind (AsContentRating *content_rating)
{
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);
	g_return_val_if_fail (AS_IS_CONTENT_RATING (content_rating), NULL);
	return priv->kind;
}

/**
 * as_content_rating_set_kind:
 * @content_rating: a #AsContentRating instance.
 * @kind: the rating kind, e.g. "oars-1.0"
 *
 * Sets the content rating kind.
 *
 * Since: 0.5.12
 **/
void
as_content_rating_set_kind (AsContentRating *content_rating, const gchar *kind)
{
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);
	g_return_if_fail (AS_IS_CONTENT_RATING (content_rating));
	as_ref_string_assign_safe (&priv->kind, kind);
}

/**
 * as_content_rating_node_insert: (skip)
 * @content_rating: a #AsContentRating instance.
 * @parent: the parent #GNode to use.
 * @ctx: the #AsNodeContext
 *
 * Inserts the content_rating into the DOM tree.
 *
 * Returns: (transfer none): A populated #GNode, or %NULL
 *
 * Since: 0.5.12
 **/
GNode *
as_content_rating_node_insert (AsContentRating *content_rating,
			       GNode *parent,
			       AsNodeContext *ctx)
{
	AsContentRatingKey *key;
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);
	GNode *n;
	guint i;

	g_return_val_if_fail (AS_IS_CONTENT_RATING (content_rating), NULL);

	n = as_node_insert (parent, "content_rating", NULL,
			    AS_NODE_INSERT_FLAG_NONE,
			    NULL);
	if (priv->kind != NULL)
		as_node_add_attribute (n, "type", priv->kind);
	for (i = 0; i < priv->keys->len; i++) {
		const gchar *tmp;
		key = g_ptr_array_index (priv->keys, i);
		tmp = as_content_rating_value_to_string (key->value);
		as_node_insert (n, "content_attribute", tmp,
				AS_NODE_INSERT_FLAG_NONE,
				"id", key->id,
				NULL);
	}
	return n;
}

/**
 * as_content_rating_add_attribute:
 * @content_rating: a #AsContentRating instance.
 * @id: a content rating ID, e.g. `money-gambling`.
 * @value: a #AsContentRatingValue, e.g. %AS_CONTENT_RATING_VALUE_MODERATE.
 *
 * Adds an attribute value to the content rating.
 *
 * Since: 0.7.14
 **/
void
as_content_rating_add_attribute (AsContentRating *content_rating,
				 const gchar *id,
				 AsContentRatingValue value)
{
	AsContentRatingKey *key = g_slice_new0 (AsContentRatingKey);
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);

	g_return_if_fail (AS_IS_CONTENT_RATING (content_rating));
	g_return_if_fail (id != NULL);
	g_return_if_fail (value != AS_CONTENT_RATING_VALUE_UNKNOWN);

	key->id = as_ref_string_new (id);
	key->value = value;
	g_ptr_array_add (priv->keys, key);
}

/**
 * as_content_rating_node_parse:
 * @content_rating: a #AsContentRating instance.
 * @node: a #GNode.
 * @ctx: a #AsNodeContext.
 * @error: A #GError or %NULL.
 *
 * Populates the object from a DOM node.
 *
 * Returns: %TRUE for success
 *
 * Since: 0.5.12
 **/
gboolean
as_content_rating_node_parse (AsContentRating *content_rating, GNode *node,
			      AsNodeContext *ctx, GError **error)
{
	AsContentRatingPrivate *priv = GET_PRIVATE (content_rating);
	GNode *c;
	const gchar *tmp;
	g_autoptr(GHashTable) captions = NULL;

	g_return_val_if_fail (AS_IS_CONTENT_RATING (content_rating), FALSE);

	/* get ID */
	tmp = as_node_get_attribute (node, "type");
	if (tmp != NULL)
		as_content_rating_set_kind (content_rating, tmp);

	/* get keys */
	for (c = node->children; c != NULL; c = c->next) {
		AsContentRatingKey *key;
		if (as_node_get_tag (c) != AS_TAG_CONTENT_ATTRIBUTE)
			continue;
		key = g_slice_new0 (AsContentRatingKey);
		as_ref_string_assign (&key->id, as_node_get_attribute_as_refstr (c, "id"));
		key->value = as_content_rating_value_from_string (as_node_get_data (c));
		g_ptr_array_add (priv->keys, key);
	}
	return TRUE;
}

/**
 * as_content_rating_new:
 *
 * Creates a new #AsContentRating.
 *
 * Returns: (transfer full): a #AsContentRating
 *
 * Since: 0.5.12
 **/
AsContentRating *
as_content_rating_new (void)
{
	AsContentRating *content_rating;
	content_rating = g_object_new (AS_TYPE_CONTENT, NULL);
	return AS_CONTENT_RATING (content_rating);
}