1 /*
2  * Copyright © 2009  Red Hat, Inc.
3  * Copyright © 2011  Google, Inc.
4  *
5  *  This is part of HarfBuzz, a text shaping library.
6  *
7  * Permission is hereby granted, without written agreement and without
8  * license or royalty fees, to use, copy, modify, and distribute this
9  * software and its documentation for any purpose, provided that the
10  * above copyright notice and the following two paragraphs appear in
11  * all copies of this software.
12  *
13  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
17  * DAMAGE.
18  *
19  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
22  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24  *
25  * Red Hat Author(s): Behdad Esfahbod
26  * Google Author(s): Behdad Esfahbod, Roozbeh Pournader
27  */
28 
29 #include "hb-private.hh"
30 
31 #include <string.h>
32 
33 
34 
35 /* hb_script_t */
36 
37 static hb_tag_t
hb_ot_old_tag_from_script(hb_script_t script)38 hb_ot_old_tag_from_script (hb_script_t script)
39 {
40   /* This seems to be accurate as of end of 2012. */
41 
42   switch ((hb_tag_t) script) {
43     case HB_SCRIPT_INVALID:		return HB_OT_TAG_DEFAULT_SCRIPT;
44 
45     /* KATAKANA and HIRAGANA both map to 'kana' */
46     case HB_SCRIPT_HIRAGANA:		return HB_TAG('k','a','n','a');
47 
48     /* Spaces at the end are preserved, unlike ISO 15924 */
49     case HB_SCRIPT_LAO:			return HB_TAG('l','a','o',' ');
50     case HB_SCRIPT_YI:			return HB_TAG('y','i',' ',' ');
51     /* Unicode-5.0 additions */
52     case HB_SCRIPT_NKO:			return HB_TAG('n','k','o',' ');
53     /* Unicode-5.1 additions */
54     case HB_SCRIPT_VAI:			return HB_TAG('v','a','i',' ');
55     /* Unicode-5.2 additions */
56     /* Unicode-6.0 additions */
57   }
58 
59   /* Else, just change first char to lowercase and return */
60   return ((hb_tag_t) script) | 0x20000000u;
61 }
62 
63 static hb_script_t
hb_ot_old_tag_to_script(hb_tag_t tag)64 hb_ot_old_tag_to_script (hb_tag_t tag)
65 {
66   if (unlikely (tag == HB_OT_TAG_DEFAULT_SCRIPT))
67     return HB_SCRIPT_INVALID;
68 
69   /* This side of the conversion is fully algorithmic. */
70 
71   /* Any spaces at the end of the tag are replaced by repeating the last
72    * letter.  Eg 'nko ' -> 'Nkoo' */
73   if (unlikely ((tag & 0x0000FF00u) == 0x00002000u))
74     tag |= (tag >> 8) & 0x0000FF00u; /* Copy second letter to third */
75   if (unlikely ((tag & 0x000000FFu) == 0x00000020u))
76     tag |= (tag >> 8) & 0x000000FFu; /* Copy third letter to fourth */
77 
78   /* Change first char to uppercase and return */
79   return (hb_script_t) (tag & ~0x20000000u);
80 }
81 
82 static hb_tag_t
hb_ot_new_tag_from_script(hb_script_t script)83 hb_ot_new_tag_from_script (hb_script_t script)
84 {
85   switch ((hb_tag_t) script) {
86     case HB_SCRIPT_BENGALI:		return HB_TAG('b','n','g','2');
87     case HB_SCRIPT_DEVANAGARI:		return HB_TAG('d','e','v','2');
88     case HB_SCRIPT_GUJARATI:		return HB_TAG('g','j','r','2');
89     case HB_SCRIPT_GURMUKHI:		return HB_TAG('g','u','r','2');
90     case HB_SCRIPT_KANNADA:		return HB_TAG('k','n','d','2');
91     case HB_SCRIPT_MALAYALAM:		return HB_TAG('m','l','m','2');
92     case HB_SCRIPT_ORIYA:		return HB_TAG('o','r','y','2');
93     case HB_SCRIPT_TAMIL:		return HB_TAG('t','m','l','2');
94     case HB_SCRIPT_TELUGU:		return HB_TAG('t','e','l','2');
95     case HB_SCRIPT_MYANMAR:		return HB_TAG('m','y','m','2');
96   }
97 
98   return HB_OT_TAG_DEFAULT_SCRIPT;
99 }
100 
101 static hb_script_t
hb_ot_new_tag_to_script(hb_tag_t tag)102 hb_ot_new_tag_to_script (hb_tag_t tag)
103 {
104   switch (tag) {
105     case HB_TAG('b','n','g','2'):	return HB_SCRIPT_BENGALI;
106     case HB_TAG('d','e','v','2'):	return HB_SCRIPT_DEVANAGARI;
107     case HB_TAG('g','j','r','2'):	return HB_SCRIPT_GUJARATI;
108     case HB_TAG('g','u','r','2'):	return HB_SCRIPT_GURMUKHI;
109     case HB_TAG('k','n','d','2'):	return HB_SCRIPT_KANNADA;
110     case HB_TAG('m','l','m','2'):	return HB_SCRIPT_MALAYALAM;
111     case HB_TAG('o','r','y','2'):	return HB_SCRIPT_ORIYA;
112     case HB_TAG('t','m','l','2'):	return HB_SCRIPT_TAMIL;
113     case HB_TAG('t','e','l','2'):	return HB_SCRIPT_TELUGU;
114     case HB_TAG('m','y','m','2'):	return HB_SCRIPT_MYANMAR;
115   }
116 
117   return HB_SCRIPT_UNKNOWN;
118 }
119 
120 /*
121  * Complete list at:
122  * https://www.microsoft.com/typography/otspec/scripttags.htm
123  * https://www.microsoft.com/typography/otspec160/scripttagsProposed.htm
124  *
125  * Most of the script tags are the same as the ISO 15924 tag but lowercased.
126  * So we just do that, and handle the exceptional cases in a switch.
127  */
128 
129 void
hb_ot_tags_from_script(hb_script_t script,hb_tag_t * script_tag_1,hb_tag_t * script_tag_2)130 hb_ot_tags_from_script (hb_script_t  script,
131 			hb_tag_t    *script_tag_1,
132 			hb_tag_t    *script_tag_2)
133 {
134   hb_tag_t new_tag;
135 
136   *script_tag_2 = HB_OT_TAG_DEFAULT_SCRIPT;
137   *script_tag_1 = hb_ot_old_tag_from_script (script);
138 
139   new_tag = hb_ot_new_tag_from_script (script);
140   if (unlikely (new_tag != HB_OT_TAG_DEFAULT_SCRIPT)) {
141     *script_tag_2 = *script_tag_1;
142     *script_tag_1 = new_tag;
143   }
144 }
145 
146 hb_script_t
hb_ot_tag_to_script(hb_tag_t tag)147 hb_ot_tag_to_script (hb_tag_t tag)
148 {
149   if (unlikely ((tag & 0x000000FFu) == '2'))
150     return hb_ot_new_tag_to_script (tag);
151 
152   return hb_ot_old_tag_to_script (tag);
153 }
154 
155 
156 /* hb_language_t */
157 
158 typedef struct {
159   char language[4];
160   hb_tag_t tag;
161 } LangTag;
162 
163 /*
164  * Complete list at:
165  * http://www.microsoft.com/typography/otspec/languagetags.htm
166  *
167  * Generated by intersecting the OpenType language tag list from
168  * Draft OpenType 1.5 spec, with with the ISO 639-3 codes from
169  * 2008-08-04, matching on name, and finally adjusted manually.
170  *
171  * Updated on 2012-12-07 with more research into remaining codes.
172  *
173  * Updated on 2013-11-23 based on usage in SIL and Microsoft fonts,
174  * the new proposal from Microsoft, and latest ISO 639-3 names.
175  *
176  * Some items still missing.  Those are commented out at the end.
177  * Keep sorted for bsearch.
178  *
179  * Updated as of 2015-05-06: OT1.7 on MS website has some newer
180  * items that we don't have here, eg. Zazaki.  This is the new
181  * items in OpenType 1.7 (red items), most of which we have:
182  * http://www.microsoft.com/typography/otspec170/languagetags.htm
183  */
184 
185 static const LangTag ot_languages[] = {
186   {"aa",	HB_TAG('A','F','R',' ')},	/* Afar */
187   {"ab",	HB_TAG('A','B','K',' ')},	/* Abkhazian */
188   {"abq",	HB_TAG('A','B','A',' ')},	/* Abaza */
189   {"ach",	HB_TAG('A','C','H',' ')},	/* Acoli */
190   {"ada",	HB_TAG('D','N','G',' ')},	/* Dangme */
191   {"ady",	HB_TAG('A','D','Y',' ')},	/* Adyghe */
192   {"af",	HB_TAG('A','F','K',' ')},	/* Afrikaans */
193   {"aii",	HB_TAG('S','W','A',' ')},	/* Swadaya Aramaic */
194   {"aio",	HB_TAG('A','I','O',' ')},	/* Aiton */
195   {"aiw",	HB_TAG('A','R','I',' ')},	/* Aari */
196   {"ak",	HB_TAG('T','W','I',' ')},	/* Akan [macrolanguage] */
197   {"alt",	HB_TAG('A','L','T',' ')},	/* [Southern] Altai */
198   {"am",	HB_TAG('A','M','H',' ')},	/* Amharic */
199   {"amf",	HB_TAG('H','B','N',' ')},	/* Hammer-Banna */
200   {"an",	HB_TAG('A','R','G',' ')},	/* Aragonese */
201   {"ang",	HB_TAG('A','N','G',' ')},	/* Old English (ca. 450-1100) */
202   {"ar",	HB_TAG('A','R','A',' ')},	/* Arabic [macrolanguage] */
203   {"arb",	HB_TAG('A','R','A',' ')},	/* Standard Arabic */
204   {"arn",	HB_TAG('M','A','P',' ')},	/* Mapudungun */
205   {"ary",	HB_TAG('M','O','R',' ')},	/* Moroccan Arabic */
206   {"as",	HB_TAG('A','S','M',' ')},	/* Assamese */
207   {"ast",	HB_TAG('A','S','T',' ')},	/* Asturian/Asturleonese/Bable/Leonese */
208   {"ath",	HB_TAG('A','T','H',' ')},	/* Athapaskan [family] */
209   {"atv",	HB_TAG('A','L','T',' ')},	/* [Northern] Altai */
210   {"av",	HB_TAG('A','V','R',' ')},	/* Avaric */
211   {"awa",	HB_TAG('A','W','A',' ')},	/* Awadhi */
212   {"ay",	HB_TAG('A','Y','M',' ')},	/* Aymara [macrolanguage] */
213   {"az",	HB_TAG('A','Z','E',' ')},	/* Azerbaijani [macrolanguage] */
214   {"azb",	HB_TAG('A','Z','B',' ')},	/* South Azerbaijani */
215   {"azj",	HB_TAG('A','Z','E',' ')},	/* North Azerbaijani */
216   {"ba",	HB_TAG('B','S','H',' ')},	/* Bashkir */
217   {"bai",	HB_TAG('B','M','L',' ')},	/* Bamileke [family] */
218   {"bal",	HB_TAG('B','L','I',' ')},	/* Baluchi [macrolangauge] */
219   {"ban",	HB_TAG('B','A','N',' ')},	/* Balinese */
220   {"bar",	HB_TAG('B','A','R',' ')},	/* Bavarian */
221   {"bbc",	HB_TAG('B','B','C',' ')},	/* Batak Toba */
222   {"bci",	HB_TAG('B','A','U',' ')},	/* Baoulé */
223   {"bcl",	HB_TAG('B','I','K',' ')},	/* Central Bikol */
224   {"bcq",	HB_TAG('B','C','H',' ')},	/* Bench */
225   {"be",	HB_TAG('B','E','L',' ')},	/* Belarusian */
226   {"bem",	HB_TAG('B','E','M',' ')},	/* Bemba (Zambia) */
227   {"ber",	HB_TAG('B','E','R',' ')},	/* Berber [family] */
228   {"bfq",	HB_TAG('B','A','D',' ')},	/* Badaga */
229   {"bft",	HB_TAG('B','L','T',' ')},	/* Balti */
230   {"bfy",	HB_TAG('B','A','G',' ')},	/* Baghelkhandi */
231   {"bg",	HB_TAG('B','G','R',' ')},	/* Bulgarian */
232   {"bgc",	HB_TAG('B','G','C',' ')},	/* Haryanvi */
233   {"bgq",	HB_TAG('B','G','Q',' ')},	/* Bagri */
234   {"bhb",	HB_TAG('B','H','I',' ')},	/* Bhili */
235   {"bhk",	HB_TAG('B','I','K',' ')},	/* Albay Bicolano (retired code) */
236   {"bho",	HB_TAG('B','H','O',' ')},	/* Bhojpuri */
237   {"bi",	HB_TAG('B','I','S',' ')},	/* Bislama */
238   {"bik",	HB_TAG('B','I','K',' ')},	/* Bikol [macrolanguage] */
239   {"bin",	HB_TAG('E','D','O',' ')},	/* Bini */
240   {"bjj",	HB_TAG('B','J','J',' ')},	/* Kanauji */
241   {"bjt",	HB_TAG('B','L','N',' ')},	/* Balanta-Ganja */
242   {"bla",	HB_TAG('B','K','F',' ')},	/* Blackfoot */
243   {"ble",	HB_TAG('B','L','N',' ')},	/* Balanta-Kentohe */
244   {"blk",	HB_TAG('B','L','K',' ')},	/* Pa'O/Pa'o Karen */
245   {"bln",	HB_TAG('B','I','K',' ')},	/* Southern Catanduanes Bikol */
246   {"bm",	HB_TAG('B','M','B',' ')},	/* Bambara */
247   {"bn",	HB_TAG('B','E','N',' ')},	/* Bengali */
248   {"bo",	HB_TAG('T','I','B',' ')},	/* Tibetan */
249   {"bpy",	HB_TAG('B','P','Y',' ')},	/* Bishnupriya */
250   {"bqi",	HB_TAG('L','R','C',' ')},	/* Bakhtiari */
251   {"br",	HB_TAG('B','R','E',' ')},	/* Breton */
252   {"bra",	HB_TAG('B','R','I',' ')},	/* Braj Bhasha */
253   {"brh",	HB_TAG('B','R','H',' ')},	/* Brahui */
254   {"brx",	HB_TAG('B','R','X',' ')},	/* Bodo (India) */
255   {"bs",	HB_TAG('B','O','S',' ')},	/* Bosnian */
256   {"btb",	HB_TAG('B','T','I',' ')},	/* Beti (Cameroon) */
257   {"bto",	HB_TAG('B','I','K',' ')},	/* Rinconada Bikol */
258   {"bts",	HB_TAG('B','T','S',' ')},	/* Batak Simalungun */
259   {"bug",	HB_TAG('B','U','G',' ')},	/* Buginese */
260   {"bxr",	HB_TAG('R','B','U',' ')},	/* Russian Buriat */
261   {"byn",	HB_TAG('B','I','L',' ')},	/* Bilen */
262   {"ca",	HB_TAG('C','A','T',' ')},	/* Catalan */
263   {"cbk",	HB_TAG('C','B','K',' ')},	/* Chavacano */
264   {"ce",	HB_TAG('C','H','E',' ')},	/* Chechen */
265   {"ceb",	HB_TAG('C','E','B',' ')},	/* Cebuano */
266   {"cgg",	HB_TAG('C','G','G',' ')},	/* Chiga */
267   {"ch",	HB_TAG('C','H','A',' ')},	/* Chamorro */
268   {"cho",	HB_TAG('C','H','O',' ')},	/* Choctaw */
269   {"chp",	HB_TAG('C','H','P',' ')},	/* Chipewyan */
270   {"chr",	HB_TAG('C','H','R',' ')},	/* Cherokee */
271   {"chy",	HB_TAG('C','H','Y',' ')},	/* Cheyenne */
272   {"ckb",	HB_TAG('K','U','R',' ')},	/* Central Kurdish (Sorani) */
273   {"ckt",	HB_TAG('C','H','K',' ')},	/* Chukchi */
274   {"cop",	HB_TAG('C','O','P',' ')},	/* Coptic */
275   {"cr",	HB_TAG('C','R','E',' ')},	/* Cree */
276   {"crh",	HB_TAG('C','R','T',' ')},	/* Crimean Tatar */
277   {"crj",	HB_TAG('E','C','R',' ')},	/* [Southern] East Cree */
278   {"crl",	HB_TAG('E','C','R',' ')},	/* [Northern] East Cree */
279   {"crm",	HB_TAG('M','C','R',' ')},	/* Moose Cree */
280   {"crx",	HB_TAG('C','R','R',' ')},	/* Carrier */
281   {"cs",	HB_TAG('C','S','Y',' ')},	/* Czech */
282   {"csb",	HB_TAG('C','S','B',' ')},	/* Kashubian */
283   {"ctg",	HB_TAG('C','T','G',' ')},	/* Chittagonian */
284   {"cts",	HB_TAG('B','I','K',' ')},	/* Northern Catanduanes Bikol */
285   {"cu",	HB_TAG('C','S','L',' ')},	/* Church Slavic */
286   {"cv",	HB_TAG('C','H','U',' ')},	/* Chuvash */
287   {"cwd",	HB_TAG('D','C','R',' ')},	/* Woods Cree */
288   {"cy",	HB_TAG('W','E','L',' ')},	/* Welsh */
289   {"da",	HB_TAG('D','A','N',' ')},	/* Danish */
290   {"dap",	HB_TAG('N','I','S',' ')},	/* Nisi (India) */
291   {"dar",	HB_TAG('D','A','R',' ')},	/* Dargwa */
292   {"de",	HB_TAG('D','E','U',' ')},	/* German */
293   {"dgo",	HB_TAG('D','G','O',' ')},	/* Dogri */
294   {"dhd",	HB_TAG('M','A','W',' ')},	/* Dhundari */
295   {"din",	HB_TAG('D','N','K',' ')},	/* Dinka [macrolanguage] */
296   {"diq",	HB_TAG('D','I','Q',' ')},	/* Dimli */
297   {"dje",	HB_TAG('D','J','R',' ')},	/* Zarma */
298   {"dng",	HB_TAG('D','U','N',' ')},	/* Dungan */
299   {"doi",	HB_TAG('D','G','R',' ')},	/* Dogri [macrolanguage] */
300   {"dsb",	HB_TAG('L','S','B',' ')},	/* Lower Sorbian */
301   {"dv",	HB_TAG('D','I','V',' ')},	/* Dhivehi/Divehi/Maldivian */
302   {"dyu",	HB_TAG('J','U','L',' ')},	/* Jula */
303   {"dz",	HB_TAG('D','Z','N',' ')},	/* Dzongkha */
304   {"ee",	HB_TAG('E','W','E',' ')},	/* Ewe */
305   {"efi",	HB_TAG('E','F','I',' ')},	/* Efik */
306   {"ekk",	HB_TAG('E','T','I',' ')},	/* Standard Estonian */
307   {"el",	HB_TAG('E','L','L',' ')},	/* Modern Greek (1453-) */
308   {"emk",	HB_TAG('M','N','K',' ')},	/* Eastern Maninkakan */
309   {"en",	HB_TAG('E','N','G',' ')},	/* English */
310   {"eo",	HB_TAG('N','T','O',' ')},	/* Esperanto */
311   {"eot",	HB_TAG('B','T','I',' ')},	/* Beti (Côte d'Ivoire) */
312   {"es",	HB_TAG('E','S','P',' ')},	/* Spanish */
313   {"et",	HB_TAG('E','T','I',' ')},	/* Estonian [macrolanguage] */
314   {"eu",	HB_TAG('E','U','Q',' ')},	/* Basque */
315   {"eve",	HB_TAG('E','V','N',' ')},	/* Even */
316   {"evn",	HB_TAG('E','V','K',' ')},	/* Evenki */
317   {"fa",	HB_TAG('F','A','R',' ')},	/* Persian [macrolanguage] */
318   {"ff",	HB_TAG('F','U','L',' ')},	/* Fulah [macrolanguage] */
319   {"fi",	HB_TAG('F','I','N',' ')},	/* Finnish */
320   {"fil",	HB_TAG('P','I','L',' ')},	/* Filipino */
321   {"fj",	HB_TAG('F','J','I',' ')},	/* Fijian */
322   {"fo",	HB_TAG('F','O','S',' ')},	/* Faroese */
323   {"fon",	HB_TAG('F','O','N',' ')},	/* Fon */
324   {"fr",	HB_TAG('F','R','A',' ')},	/* French */
325   {"frc",	HB_TAG('F','R','C',' ')},	/* Cajun French */
326   {"frp",	HB_TAG('F','R','P',' ')},	/* Arpitan/Francoprovençal */
327   {"fur",	HB_TAG('F','R','L',' ')},	/* Friulian */
328   {"fuv",	HB_TAG('F','U','V',' ')},	/* Nigerian Fulfulde */
329   {"fy",	HB_TAG('F','R','I',' ')},	/* Western Frisian */
330   {"ga",	HB_TAG('I','R','I',' ')},	/* Irish */
331   {"gaa",	HB_TAG('G','A','D',' ')},	/* Ga */
332   {"gag",	HB_TAG('G','A','G',' ')},	/* Gagauz */
333   {"gbm",	HB_TAG('G','A','W',' ')},	/* Garhwali */
334   {"gd",	HB_TAG('G','A','E',' ')},	/* Scottish Gaelic */
335   {"gez",	HB_TAG('G','E','Z',' ')},	/* Ge'ez */
336   {"ggo",	HB_TAG('G','O','N',' ')},	/* Southern Gondi */
337   {"gl",	HB_TAG('G','A','L',' ')},	/* Galician */
338   {"gld",	HB_TAG('N','A','N',' ')},	/* Nanai */
339   {"glk",	HB_TAG('G','L','K',' ')},	/* Gilaki */
340   {"gn",	HB_TAG('G','U','A',' ')},	/* Guarani [macrolanguage] */
341   {"gno",	HB_TAG('G','O','N',' ')},	/* Northern Gondi */
342   {"gog",	HB_TAG('G','O','G',' ')},	/* Gogo */
343   {"gon",	HB_TAG('G','O','N',' ')},	/* Gondi [macrolanguage] */
344   {"grt",	HB_TAG('G','R','O',' ')},	/* Garo */
345   {"gru",	HB_TAG('S','O','G',' ')},	/* Sodo Gurage */
346   {"gu",	HB_TAG('G','U','J',' ')},	/* Gujarati */
347   {"guc",	HB_TAG('G','U','C',' ')},	/* Wayuu */
348   {"guk",	HB_TAG('G','M','Z',' ')},	/* Gumuz */
349 /*{"guk",	HB_TAG('G','U','K',' ')},*/	/* Gumuz (in SIL fonts) */
350   {"guz",	HB_TAG('G','U','Z',' ')},	/* Ekegusii/Gusii */
351   {"gv",	HB_TAG('M','N','X',' ')},	/* Manx */
352   {"ha",	HB_TAG('H','A','U',' ')},	/* Hausa */
353   {"har",	HB_TAG('H','R','I',' ')},	/* Harari */
354   {"haw",	HB_TAG('H','A','W',' ')},	/* Hawaiian */
355   {"hay",	HB_TAG('H','A','Y',' ')},	/* Haya */
356   {"haz",	HB_TAG('H','A','Z',' ')},	/* Hazaragi */
357   {"he",	HB_TAG('I','W','R',' ')},	/* Hebrew */
358   {"hi",	HB_TAG('H','I','N',' ')},	/* Hindi */
359   {"hil",	HB_TAG('H','I','L',' ')},	/* Hiligaynon */
360   {"hnd",	HB_TAG('H','N','D',' ')},	/* [Southern] Hindko */
361   {"hne",	HB_TAG('C','H','H',' ')},	/* Chattisgarhi */
362   {"hno",	HB_TAG('H','N','D',' ')},	/* [Northern] Hindko */
363   {"ho",	HB_TAG('H','M','O',' ')},	/* Hiri Motu */
364   {"hoc",	HB_TAG('H','O',' ',' ')},	/* Ho */
365   {"hoj",	HB_TAG('H','A','R',' ')},	/* Harauti */
366   {"hr",	HB_TAG('H','R','V',' ')},	/* Croatian */
367   {"hsb",	HB_TAG('U','S','B',' ')},	/* Upper Sorbian */
368   {"ht",	HB_TAG('H','A','I',' ')},	/* Haitian/Haitian Creole */
369   {"hu",	HB_TAG('H','U','N',' ')},	/* Hungarian */
370   {"hy",	HB_TAG('H','Y','E',' ')},	/* Armenian */
371   {"hz",	HB_TAG('H','E','R',' ')},	/* Herero */
372   {"ia",	HB_TAG('I','N','A',' ')},	/* Interlingua (International Auxiliary Language Association) */
373   {"ibb",	HB_TAG('I','B','B',' ')},	/* Ibibio */
374   {"id",	HB_TAG('I','N','D',' ')},	/* Indonesian */
375   {"ie",	HB_TAG('I','L','E',' ')},	/* Interlingue/Occidental */
376   {"ig",	HB_TAG('I','B','O',' ')},	/* Igbo */
377   {"igb",	HB_TAG('E','B','I',' ')},	/* Ebira */
378   {"ijc",	HB_TAG('I','J','O',' ')},	/* Izon */
379   {"ijo",	HB_TAG('I','J','O',' ')},	/* Ijo [family] */
380   {"ik",	HB_TAG('I','P','K',' ')},	/* Inupiaq [macrolanguage] */
381   {"ilo",	HB_TAG('I','L','O',' ')},	/* Ilokano */
382   {"inh",	HB_TAG('I','N','G',' ')},	/* Ingush */
383   {"io",	HB_TAG('I','D','O',' ')},	/* Ido */
384   {"is",	HB_TAG('I','S','L',' ')},	/* Icelandic */
385   {"it",	HB_TAG('I','T','A',' ')},	/* Italian */
386   {"iu",	HB_TAG('I','N','U',' ')},	/* Inuktitut [macrolanguage] */
387   {"ja",	HB_TAG('J','A','N',' ')},	/* Japanese */
388   {"jam",	HB_TAG('J','A','M',' ')},	/* Jamaican Creole English */
389   {"jbo",	HB_TAG('J','B','O',' ')},	/* Lojban */
390   {"jv",	HB_TAG('J','A','V',' ')},	/* Javanese */
391   {"ka",	HB_TAG('K','A','T',' ')},	/* Georgian */
392   {"kaa",	HB_TAG('K','R','K',' ')},	/* Karakalpak */
393   {"kab",	HB_TAG('K','A','B',' ')},	/* Kabyle */
394   {"kam",	HB_TAG('K','M','B',' ')},	/* Kamba (Kenya) */
395   {"kar",	HB_TAG('K','R','N',' ')},	/* Karen [family] */
396   {"kbd",	HB_TAG('K','A','B',' ')},	/* Kabardian */
397   {"kde",	HB_TAG('K','D','E',' ')},	/* Makonde */
398   {"kdr",	HB_TAG('K','R','M',' ')},	/* Karaim */
399   {"kdt",	HB_TAG('K','U','Y',' ')},	/* Kuy */
400   {"kex",	HB_TAG('K','K','N',' ')},	/* Kokni */
401   {"kfr",	HB_TAG('K','A','C',' ')},	/* Kachchi */
402   {"kfy",	HB_TAG('K','M','N',' ')},	/* Kumaoni */
403   {"kg",	HB_TAG('K','O','N',' ')},	/* Kongo [macrolanguage] */
404   {"kha",	HB_TAG('K','S','I',' ')},	/* Khasi */
405   {"khb",	HB_TAG('X','B','D',' ')},	/* Lü */
406   {"kht",	HB_TAG('K','H','N',' ')},	/* Khamti (Microsoft fonts) */
407 /*{"kht",	HB_TAG('K','H','T',' ')},*/	/* Khamti (OpenType spec and SIL fonts) */
408   {"khw",	HB_TAG('K','H','W',' ')},	/* Khowar */
409   {"ki",	HB_TAG('K','I','K',' ')},	/* Gikuyu/Kikuyu */
410   {"kj",	HB_TAG('K','U','A',' ')},	/* Kuanyama/Kwanyama */
411   {"kjh",	HB_TAG('K','H','A',' ')},	/* Khakass */
412   {"kjp",	HB_TAG('K','J','P',' ')},	/* Pwo Eastern Karen */
413   {"kk",	HB_TAG('K','A','Z',' ')},	/* Kazakh */
414   {"kl",	HB_TAG('G','R','N',' ')},	/* Kalaallisut */
415   {"kln",	HB_TAG('K','A','L',' ')},	/* Kalenjin */
416   {"km",	HB_TAG('K','H','M',' ')},	/* Central Khmer */
417   {"kmb",	HB_TAG('M','B','N',' ')},	/* Kimbundu */
418   {"kmw",	HB_TAG('K','M','O',' ')},	/* Komo (Democratic Republic of Congo) */
419   {"kn",	HB_TAG('K','A','N',' ')},	/* Kannada */
420   {"knn",	HB_TAG('K','O','K',' ')},	/* Konkani */
421   {"ko",	HB_TAG('K','O','R',' ')},	/* Korean */
422   {"koi",	HB_TAG('K','O','P',' ')},	/* Komi-Permyak */
423   {"kok",	HB_TAG('K','O','K',' ')},	/* Konkani [macrolanguage] */
424   {"kpe",	HB_TAG('K','P','L',' ')},	/* Kpelle [macrolanguage] */
425   {"kpv",	HB_TAG('K','O','Z',' ')},	/* Komi-Zyrian */
426   {"kpy",	HB_TAG('K','Y','K',' ')},	/* Koryak */
427   {"kqy",	HB_TAG('K','R','T',' ')},	/* Koorete */
428   {"kr",	HB_TAG('K','N','R',' ')},	/* Kanuri [macrolanguage] */
429   {"kri",	HB_TAG('K','R','I',' ')},	/* Krio */
430   {"krl",	HB_TAG('K','R','L',' ')},	/* Karelian */
431   {"kru",	HB_TAG('K','U','U',' ')},	/* Kurukh */
432   {"ks",	HB_TAG('K','S','H',' ')},	/* Kashmiri */
433   {"ksh",	HB_TAG('K','S','H',' ')},	/* Kölsch */
434 /*{"ksw",	HB_TAG('K','R','N',' ')},*/	/* S'gaw Karen (Microsoft fonts?) */
435   {"ksw",	HB_TAG('K','S','W',' ')},	/* S'gaw Karen (OpenType spec and SIL fonts) */
436   {"ku",	HB_TAG('K','U','R',' ')},	/* Kurdish [macrolanguage] */
437   {"kum",	HB_TAG('K','U','M',' ')},	/* Kumyk */
438   {"kv",	HB_TAG('K','O','M',' ')},	/* Komi [macrolanguage] */
439   {"kvd",	HB_TAG('K','U','I',' ')},	/* Kui (Indonesia) */
440   {"kw",	HB_TAG('C','O','R',' ')},	/* Cornish */
441   {"kxc",	HB_TAG('K','M','S',' ')},	/* Komso */
442   {"kxu",	HB_TAG('K','U','I',' ')},	/* Kui (India) */
443   {"ky",	HB_TAG('K','I','R',' ')},	/* Kirghiz/Kyrgyz */
444   {"kyu",	HB_TAG('K','Y','U',' ')},	/* Western Kayah */
445   {"la",	HB_TAG('L','A','T',' ')},	/* Latin */
446   {"lad",	HB_TAG('J','U','D',' ')},	/* Ladino */
447   {"lb",	HB_TAG('L','T','Z',' ')},	/* Luxembourgish */
448   {"lbe",	HB_TAG('L','A','K',' ')},	/* Lak */
449   {"lbj",	HB_TAG('L','D','K',' ')},	/* Ladakhi */
450   {"lez",	HB_TAG('L','E','Z',' ')},	/* Lezgi */
451   {"lg",	HB_TAG('L','U','G',' ')},	/* Ganda */
452   {"li",	HB_TAG('L','I','M',' ')},	/* Limburgan/Limburger/Limburgish */
453   {"lif",	HB_TAG('L','M','B',' ')},	/* Limbu */
454   {"lij",	HB_TAG('L','I','J',' ')},	/* Ligurian */
455   {"lis",	HB_TAG('L','I','S',' ')},	/* Lisu */
456   {"ljp",	HB_TAG('L','J','P',' ')},	/* Lampung Api */
457   {"lki",	HB_TAG('L','K','I',' ')},	/* Laki */
458   {"lld",	HB_TAG('L','A','D',' ')},	/* Ladin */
459   {"lmn",	HB_TAG('L','A','M',' ')},	/* Lambani */
460   {"lmo",	HB_TAG('L','M','O',' ')},	/* Lombard */
461   {"ln",	HB_TAG('L','I','N',' ')},	/* Lingala */
462   {"lo",	HB_TAG('L','A','O',' ')},	/* Lao */
463   {"lrc",	HB_TAG('L','R','C',' ')},	/* Northern Luri */
464   {"lt",	HB_TAG('L','T','H',' ')},	/* Lithuanian */
465   {"lu",	HB_TAG('L','U','B',' ')},	/* Luba-Katanga */
466   {"lua",	HB_TAG('L','U','B',' ')},	/* Luba-Kasai */
467   {"luo",	HB_TAG('L','U','O',' ')},	/* Luo (Kenya and Tanzania) */
468   {"lus",	HB_TAG('M','I','Z',' ')},	/* Mizo */
469   {"luy",	HB_TAG('L','U','H',' ')},	/* Luyia/Oluluyia [macrolanguage] */
470   {"luz",	HB_TAG('L','R','C',' ')},	/* Southern Luri */
471   {"lv",	HB_TAG('L','V','I',' ')},	/* Latvian */
472   {"lzz",	HB_TAG('L','A','Z',' ')},	/* Laz */
473   {"mad",	HB_TAG('M','A','D',' ')},	/* Madurese */
474   {"mag",	HB_TAG('M','A','G',' ')},	/* Magahi */
475   {"mai",	HB_TAG('M','T','H',' ')},	/* Maithili */
476   {"mak",	HB_TAG('M','K','R',' ')},	/* Makasar */
477   {"man",	HB_TAG('M','N','K',' ')},	/* Manding/Mandingo [macrolanguage] */
478   {"mdc",	HB_TAG('M','L','E',' ')},	/* Male (Papua New Guinea) */
479   {"mdf",	HB_TAG('M','O','K',' ')},	/* Moksha */
480   {"mdr",	HB_TAG('M','D','R',' ')},	/* Mandar */
481   {"mdy",	HB_TAG('M','L','E',' ')},	/* Male (Ethiopia) */
482   {"men",	HB_TAG('M','D','E',' ')},	/* Mende (Sierra Leone) */
483   {"mer",	HB_TAG('M','E','R',' ')},	/* Meru */
484   {"mfe",	HB_TAG('M','F','E',' ')},	/* Morisyen */
485   {"mg",	HB_TAG('M','L','G',' ')},	/* Malagasy [macrolanguage] */
486   {"mh",	HB_TAG('M','A','H',' ')},	/* Marshallese */
487   {"mhr",	HB_TAG('L','M','A',' ')},	/* Low Mari */
488   {"mi",	HB_TAG('M','R','I',' ')},	/* Maori */
489   {"min",	HB_TAG('M','I','N',' ')},	/* Minangkabau */
490   {"mk",	HB_TAG('M','K','D',' ')},	/* Macedonian */
491   {"mku",	HB_TAG('M','N','K',' ')},	/* Konyanka Maninka */
492   {"mkw",	HB_TAG('M','K','W',' ')},	/* Kituba (Congo) */
493   {"ml",	HB_TAG('M','L','R',' ')},	/* Malayalam */
494   {"mlq",	HB_TAG('M','N','K',' ')},	/* Western Maninkakan */
495   {"mn",	HB_TAG('M','N','G',' ')},	/* Mongolian [macrolanguage] */
496   {"mnc",	HB_TAG('M','C','H',' ')},	/* Manchu */
497   {"mni",	HB_TAG('M','N','I',' ')},	/* Manipuri */
498   {"mnk",	HB_TAG('M','N','D',' ')},	/* Mandinka */
499   {"mns",	HB_TAG('M','A','N',' ')},	/* Mansi */
500   {"mnw",	HB_TAG('M','O','N',' ')},	/* Mon */
501   {"mo",	HB_TAG('M','O','L',' ')},	/* Moldavian */
502   {"moh",	HB_TAG('M','O','H',' ')},	/* Mohawk */
503   {"mos",	HB_TAG('M','O','S',' ')},	/* Mossi */
504   {"mpe",	HB_TAG('M','A','J',' ')},	/* Majang */
505   {"mr",	HB_TAG('M','A','R',' ')},	/* Marathi */
506   {"mrj",	HB_TAG('H','M','A',' ')},	/* High Mari */
507   {"ms",	HB_TAG('M','L','Y',' ')},	/* Malay [macrolanguage] */
508   {"msc",	HB_TAG('M','N','K',' ')},	/* Sankaran Maninka */
509   {"mt",	HB_TAG('M','T','S',' ')},	/* Maltese */
510   {"mtr",	HB_TAG('M','A','W',' ')},	/* Mewari */
511   {"mus",	HB_TAG('M','U','S',' ')},	/* Creek */
512   {"mve",	HB_TAG('M','A','W',' ')},	/* Marwari (Pakistan) */
513   {"mwk",	HB_TAG('M','N','K',' ')},	/* Kita Maninkakan */
514   {"mwl",	HB_TAG('M','W','L',' ')},	/* Mirandese */
515   {"mwr",	HB_TAG('M','A','W',' ')},	/* Marwari [macrolanguage] */
516   {"mww",	HB_TAG('M','W','W',' ')},	/* Hmong Daw */
517   {"my",	HB_TAG('B','R','M',' ')},	/* Burmese */
518   {"mym",	HB_TAG('M','E','N',' ')},	/* Me'en */
519   {"myq",	HB_TAG('M','N','K',' ')},	/* Forest Maninka (retired code) */
520   {"myv",	HB_TAG('E','R','Z',' ')},	/* Erzya */
521   {"mzn",	HB_TAG('M','Z','N',' ')},	/* Mazanderani */
522   {"na",	HB_TAG('N','A','U',' ')},	/* Nauru */
523   {"nag",	HB_TAG('N','A','G',' ')},	/* Naga-Assamese */
524   {"nah",	HB_TAG('N','A','H',' ')},	/* Nahuatl [family] */
525   {"nap",	HB_TAG('N','A','P',' ')},	/* Neapolitan */
526   {"nb",	HB_TAG('N','O','R',' ')},	/* Norwegian Bokmål */
527   {"nco",	HB_TAG('S','I','B',' ')},	/* Sibe */
528   {"nd",	HB_TAG('N','D','B',' ')},	/* [North] Ndebele */
529   {"ndc",	HB_TAG('N','D','C',' ')},	/* Ndau */
530   {"nds",	HB_TAG('N','D','S',' ')},	/* Low German/Low Saxon */
531   {"ne",	HB_TAG('N','E','P',' ')},	/* Nepali */
532   {"new",	HB_TAG('N','E','W',' ')},	/* Newari */
533   {"ng",	HB_TAG('N','D','G',' ')},	/* Ndonga */
534   {"nga",	HB_TAG('N','G','A',' ')},	/* Ngabaka */
535   {"ngl",	HB_TAG('L','M','W',' ')},	/* Lomwe */
536   {"niu",	HB_TAG('N','I','U',' ')},	/* Niuean */
537   {"niv",	HB_TAG('G','I','L',' ')},	/* Gilyak */
538   {"nl",	HB_TAG('N','L','D',' ')},	/* Dutch */
539   {"nn",	HB_TAG('N','Y','N',' ')},	/* Norwegian Nynorsk */
540   {"no",	HB_TAG('N','O','R',' ')},	/* Norwegian [macrolanguage] */
541   {"nod",	HB_TAG('N','T','A',' ')},	/* Northern Thai */
542   {"noe",	HB_TAG('N','O','E',' ')},	/* Nimadi */
543   {"nog",	HB_TAG('N','O','G',' ')},	/* Nogai */
544   {"nov",	HB_TAG('N','O','V',' ')},	/* Novial */
545   {"nqo",	HB_TAG('N','K','O',' ')},	/* N'Ko */
546   {"nr",	HB_TAG('N','D','B',' ')},	/* [South] Ndebele */
547   {"nsk",	HB_TAG('N','A','S',' ')},	/* Naskapi */
548   {"nso",	HB_TAG('S','O','T',' ')},	/* [Northern] Sotho */
549   {"nv",	HB_TAG('N','A','V',' ')},	/* Navajo */
550   {"ny",	HB_TAG('C','H','I',' ')},	/* Chewa/Chichwa/Nyanja */
551   {"nym",	HB_TAG('N','Y','M',' ')},	/* Nyamwezi */
552   {"nyn",	HB_TAG('N','K','L',' ')},	/* Nyankole */
553   {"oc",	HB_TAG('O','C','I',' ')},	/* Occitan (post 1500) */
554   {"oj",	HB_TAG('O','J','B',' ')},	/* Ojibwa [macrolanguage] */
555   {"ojs",	HB_TAG('O','C','R',' ')},	/* Oji-Cree */
556   {"om",	HB_TAG('O','R','O',' ')},	/* Oromo [macrolanguage] */
557   {"or",	HB_TAG('O','R','I',' ')},	/* Oriya */
558   {"os",	HB_TAG('O','S','S',' ')},	/* Ossetian */
559   {"pa",	HB_TAG('P','A','N',' ')},	/* Panjabi */
560   {"pag",	HB_TAG('P','A','G',' ')},	/* Pangasinan */
561   {"pam",	HB_TAG('P','A','M',' ')},	/* Kapampangan/Pampanga */
562   {"pap",	HB_TAG('P','A','P',' ')},	/* Papiamento */
563   {"pcc",	HB_TAG('P','C','C',' ')},	/* Bouyei */
564   {"pcd",	HB_TAG('P','C','D',' ')},	/* Picard */
565   {"pce",	HB_TAG('P','L','G',' ')},	/* [Ruching] Palaung */
566   {"pdc",	HB_TAG('P','D','C',' ')},	/* Pennsylvania German */
567   {"pes",	HB_TAG('F','A','R',' ')},	/* Iranian Persian */
568   {"phk",	HB_TAG('P','H','K',' ')},	/* Phake */
569   {"pi",	HB_TAG('P','A','L',' ')},	/* Pali */
570   {"pih",	HB_TAG('P','I','H',' ')},	/* Pitcairn-Norfolk */
571   {"pl",	HB_TAG('P','L','K',' ')},	/* Polish */
572   {"pll",	HB_TAG('P','L','G',' ')},	/* [Shwe] Palaung */
573   {"plp",	HB_TAG('P','A','P',' ')},	/* Palpa */
574   {"pms",	HB_TAG('P','M','S',' ')},	/* Piemontese */
575   {"pnb",	HB_TAG('P','N','B',' ')},	/* Western Panjabi */
576   {"prs",	HB_TAG('D','R','I',' ')},	/* Afghan Persian/Dari */
577   {"ps",	HB_TAG('P','A','S',' ')},	/* Pashto/Pushto [macrolanguage] */
578   {"pt",	HB_TAG('P','T','G',' ')},	/* Portuguese */
579   {"pwo",	HB_TAG('P','W','O',' ')},	/* Pwo Western Karen */
580   {"qu",	HB_TAG('Q','U','Z',' ')},	/* Quechua [macrolanguage] */
581   {"quc",	HB_TAG('Q','U','C',' ')},	/* K'iche'/Quiché */
582   {"quz",	HB_TAG('Q','U','Z',' ')},	/* Cusco Quechua */
583   {"raj",	HB_TAG('R','A','J',' ')},	/* Rajasthani [macrolanguage] */
584   {"rbb",	HB_TAG('P','L','G',' ')},	/* Rumai Palaung */
585   {"rej",	HB_TAG('R','E','J',' ')},	/* Rejang */
586   {"ria",	HB_TAG('R','I','A',' ')},	/* Riang (India) */
587   {"ril",	HB_TAG('R','I','A',' ')},	/* Riang (Myanmar) */
588   {"rki",	HB_TAG('A','R','K',' ')},	/* Rakhine */
589   {"rm",	HB_TAG('R','M','S',' ')},	/* Romansh */
590   {"rmy",	HB_TAG('R','M','Y',' ')},	/* Vlax Romani */
591   {"rn",	HB_TAG('R','U','N',' ')},	/* Rundi */
592   {"ro",	HB_TAG('R','O','M',' ')},	/* Romanian */
593   {"rom",	HB_TAG('R','O','Y',' ')},	/* Romany [macrolanguage] */
594   {"ru",	HB_TAG('R','U','S',' ')},	/* Russian */
595   {"rue",	HB_TAG('R','S','Y',' ')},	/* Rusyn */
596   {"rup",	HB_TAG('R','U','P',' ')},	/* Aromanian/Arumanian/Macedo-Romanian */
597   {"rw",	HB_TAG('R','U','A',' ')},	/* Kinyarwanda */
598   {"rwr",	HB_TAG('M','A','W',' ')},	/* Marwari (India) */
599   {"sa",	HB_TAG('S','A','N',' ')},	/* Sanskrit */
600   {"sah",	HB_TAG('Y','A','K',' ')},	/* Yakut */
601   {"sas",	HB_TAG('S','A','S',' ')},	/* Sasak */
602   {"sat",	HB_TAG('S','A','T',' ')},	/* Santali */
603   {"sc",	HB_TAG('S','R','D',' ')},	/* Sardinian [macrolanguage] */
604   {"sck",	HB_TAG('S','A','D',' ')},	/* Sadri */
605   {"scn",	HB_TAG('S','C','N',' ')},	/* Sicilian */
606   {"sco",	HB_TAG('S','C','O',' ')},	/* Scots */
607   {"scs",	HB_TAG('S','L','A',' ')},	/* [North] Slavey */
608   {"sd",	HB_TAG('S','N','D',' ')},	/* Sindhi */
609   {"se",	HB_TAG('N','S','M',' ')},	/* Northern Sami */
610   {"seh",	HB_TAG('S','N','A',' ')},	/* Sena */
611   {"sel",	HB_TAG('S','E','L',' ')},	/* Selkup */
612   {"sg",	HB_TAG('S','G','O',' ')},	/* Sango */
613   {"sga",	HB_TAG('S','G','A',' ')},	/* Old Irish (to 900) */
614   {"sgs",	HB_TAG('S','G','S',' ')},	/* Samogitian */
615   {"sgw",	HB_TAG('C','H','G',' ')},	/* Sebat Bet Gurage */
616 /*{"sgw",	HB_TAG('S','G','W',' ')},*/	/* Sebat Bet Gurage (in SIL fonts) */
617   {"shn",	HB_TAG('S','H','N',' ')},	/* Shan */
618   {"si",	HB_TAG('S','N','H',' ')},	/* Sinhala */
619   {"sid",	HB_TAG('S','I','D',' ')},	/* Sidamo */
620   {"sjd",	HB_TAG('K','S','M',' ')},	/* Kildin Sami */
621   {"sk",	HB_TAG('S','K','Y',' ')},	/* Slovak */
622   {"skr",	HB_TAG('S','R','K',' ')},	/* Seraiki */
623   {"sl",	HB_TAG('S','L','V',' ')},	/* Slovenian */
624   {"sm",	HB_TAG('S','M','O',' ')},	/* Samoan */
625   {"sma",	HB_TAG('S','S','M',' ')},	/* Southern Sami */
626   {"smj",	HB_TAG('L','S','M',' ')},	/* Lule Sami */
627   {"smn",	HB_TAG('I','S','M',' ')},	/* Inari Sami */
628   {"sms",	HB_TAG('S','K','S',' ')},	/* Skolt Sami */
629   {"sn",	HB_TAG('S','N','A',' ')},	/* Shona */
630   {"snk",	HB_TAG('S','N','K',' ')},	/* Soninke */
631   {"so",	HB_TAG('S','M','L',' ')},	/* Somali */
632   {"sop",	HB_TAG('S','O','P',' ')},	/* Songe */
633   {"sq",	HB_TAG('S','Q','I',' ')},	/* Albanian [macrolanguage] */
634   {"sr",	HB_TAG('S','R','B',' ')},	/* Serbian */
635   {"srr",	HB_TAG('S','R','R',' ')},	/* Serer */
636   {"ss",	HB_TAG('S','W','Z',' ')},	/* Swati */
637   {"st",	HB_TAG('S','O','T',' ')},	/* [Southern] Sotho */
638   {"stq",	HB_TAG('S','T','Q',' ')},	/* Saterfriesisch */
639   {"stv",	HB_TAG('S','I','G',' ')},	/* Silt'e */
640   {"su",	HB_TAG('S','U','N',' ')},	/* Sundanese */
641   {"suk",	HB_TAG('S','U','K',' ')},	/* Sukama */
642   {"suq",	HB_TAG('S','U','R',' ')},	/* Suri */
643   {"sv",	HB_TAG('S','V','E',' ')},	/* Swedish */
644   {"sva",	HB_TAG('S','V','A',' ')},	/* Svan */
645   {"sw",	HB_TAG('S','W','K',' ')},	/* Swahili [macrolanguage] */
646   {"swb",	HB_TAG('C','M','R',' ')},	/* Comorian */
647   {"swh",	HB_TAG('S','W','K',' ')},	/* Kiswahili/Swahili */
648   {"swv",	HB_TAG('M','A','W',' ')},	/* Shekhawati */
649   {"sxu",	HB_TAG('S','X','U',' ')},	/* Upper Saxon */
650   {"syl",	HB_TAG('S','Y','L',' ')},	/* Sylheti */
651   {"syr",	HB_TAG('S','Y','R',' ')},	/* Syriac [macrolanguage] */
652   {"szl",	HB_TAG('S','Z','L',' ')},	/* Silesian */
653   {"ta",	HB_TAG('T','A','M',' ')},	/* Tamil */
654   {"tab",	HB_TAG('T','A','B',' ')},	/* Tabasaran */
655   {"tcy",	HB_TAG('T','U','L',' ')},	/* Tulu */
656   {"tdd",	HB_TAG('T','D','D',' ')},	/* Tai Nüa */
657   {"te",	HB_TAG('T','E','L',' ')},	/* Telugu */
658   {"tem",	HB_TAG('T','M','N',' ')},	/* Temne */
659   {"tet",	HB_TAG('T','E','T',' ')},	/* Tetum */
660   {"tg",	HB_TAG('T','A','J',' ')},	/* Tajik */
661   {"th",	HB_TAG('T','H','A',' ')},	/* Thai */
662   {"ti",	HB_TAG('T','G','Y',' ')},	/* Tigrinya */
663   {"tig",	HB_TAG('T','G','R',' ')},	/* Tigre */
664   {"tiv",	HB_TAG('T','I','V',' ')},	/* Tiv */
665   {"tk",	HB_TAG('T','K','M',' ')},	/* Turkmen */
666   {"tl",	HB_TAG('T','G','L',' ')},	/* Tagalog */
667   {"tmh",	HB_TAG('t','m','h',' ')},	/* Tamashek [macrolanguage] */
668   {"tn",	HB_TAG('T','N','A',' ')},	/* Tswana */
669   {"to",	HB_TAG('T','G','N',' ')},	/* Tonga (Tonga Islands) */
670   {"tpi",	HB_TAG('T','P','I',' ')},	/* Tok Pisin */
671   {"tr",	HB_TAG('T','R','K',' ')},	/* Turkish */
672   {"tru",	HB_TAG('T','U','A',' ')},	/* Turoyo Aramaic */
673   {"ts",	HB_TAG('T','S','G',' ')},	/* Tsonga */
674   {"tt",	HB_TAG('T','A','T',' ')},	/* Tatar */
675   {"tum",	HB_TAG('T','U','M',' ')},	/* Tumbuka */
676   {"tw",	HB_TAG('T','W','I',' ')},	/* Twi */
677   {"ty",	HB_TAG('T','H','T',' ')},	/* Tahitian */
678   {"tyv",	HB_TAG('T','U','V',' ')},	/* Tuvin */
679   {"tyz",	HB_TAG('T','Y','Z',' ')},	/* Tày */
680   {"tzm",	HB_TAG('T','Z','M',' ')},	/* Central Atlas Tamazight */
681   {"udm",	HB_TAG('U','D','M',' ')},	/* Udmurt */
682   {"ug",	HB_TAG('U','Y','G',' ')},	/* Uighur */
683   {"uk",	HB_TAG('U','K','R',' ')},	/* Ukrainian */
684   {"umb",	HB_TAG('U','M','B',' ')},	/* Umbundu */
685   {"unr",	HB_TAG('M','U','N',' ')},	/* Mundari */
686   {"ur",	HB_TAG('U','R','D',' ')},	/* Urdu */
687   {"uz",	HB_TAG('U','Z','B',' ')},	/* Uzbek [macrolanguage] */
688   {"uzn",	HB_TAG('U','Z','B',' ')},	/* Northern Uzbek */
689   {"uzs",	HB_TAG('U','Z','B',' ')},	/* Southern Uzbek */
690   {"ve",	HB_TAG('V','E','N',' ')},	/* Venda */
691   {"vec",	HB_TAG('V','E','C',' ')},	/* Venetian */
692   {"vi",	HB_TAG('V','I','T',' ')},	/* Vietnamese */
693   {"vls",	HB_TAG('F','L','E',' ')},	/* Vlaams */
694   {"vmw",	HB_TAG('M','A','K',' ')},	/* Makhuwa */
695   {"vo",	HB_TAG('V','O','L',' ')},	/* Volapük */
696   {"vro",	HB_TAG('V','R','O',' ')},	/* Võro */
697   {"wa",	HB_TAG('W','L','N',' ')},	/* Walloon */
698   {"war",	HB_TAG('W','A','R',' ')},	/* Waray (Philippines) */
699   {"wbm",	HB_TAG('W','A',' ',' ')},	/* Wa */
700   {"wbr",	HB_TAG('W','A','G',' ')},	/* Wagdi */
701   {"wle",	HB_TAG('S','I','G',' ')},	/* Wolane */
702   {"wo",	HB_TAG('W','L','F',' ')},	/* Wolof */
703   {"wry",	HB_TAG('M','A','W',' ')},	/* Merwari */
704   {"wtm",	HB_TAG('W','T','M',' ')},	/* Mewati */
705   {"xal",	HB_TAG('K','L','M',' ')},	/* Kalmyk */
706   {"xh",	HB_TAG('X','H','S',' ')},	/* Xhosa */
707   {"xog",	HB_TAG('X','O','G',' ')},	/* Soga */
708   {"xom",	HB_TAG('K','M','O',' ')},	/* Komo (Sudan) */
709   {"xsl",	HB_TAG('S','S','L',' ')},	/* South Slavey */
710   {"xst",	HB_TAG('S','I','G',' ')},	/* Silt'e (retired code) */
711   {"xwo",	HB_TAG('T','O','D',' ')},	/* Written Oirat (Todo) */
712   {"yao",	HB_TAG('Y','A','O',' ')},	/* Yao */
713   {"yi",	HB_TAG('J','I','I',' ')},	/* Yiddish [macrolanguage] */
714   {"yo",	HB_TAG('Y','B','A',' ')},	/* Yoruba */
715   {"yso",	HB_TAG('N','I','S',' ')},	/* Nisi (China) */
716   {"za",	HB_TAG('Z','H','A',' ')},	/* Chuang/Zhuang [macrolanguage] */
717   {"zea",	HB_TAG('Z','E','A',' ')},	/* Zeeuws */
718   {"zne",	HB_TAG('Z','N','D',' ')},	/* Zande */
719   {"zu",	HB_TAG('Z','U','L',' ')}, 	/* Zulu */
720   {"zum",	HB_TAG('L','R','C',' ')}	/* Kumzari */
721 
722   /* The corresponding languages IDs for the following IDs are unclear,
723    * overlap, or are architecturally weird. Needs more research. */
724 
725 /*{"ahg/awn/xan?",	HB_TAG('A','G','W',' ')},*/	/* Agaw */
726 /*{"gsw?/gsw-FR?",	HB_TAG('A','L','S',' ')},*/	/* Alsatian */
727 /*{"krc",	HB_TAG('B','A','L',' ')},*/	/* Balkar */
728 /*{"??",	HB_TAG('B','C','R',' ')},*/	/* Bible Cree */
729 /*{"zh?",	HB_TAG('C','H','N',' ')},*/	/* Chinese (seen in Microsoft fonts) */
730 /*{"acf/gcf?",	HB_TAG('F','A','N',' ')},*/	/* French Antillean */
731 /*{"enf?/yrk?",	HB_TAG('F','N','E',' ')},*/	/* Forest Nenets */
732 /*{"fuf?",	HB_TAG('F','T','A',' ')},*/	/* Futa */
733 /*{"ar-Syrc?",	HB_TAG('G','A','R',' ')},*/	/* Garshuni */
734 /*{"cfm/rnl?",	HB_TAG('H','A','L',' ')},*/	/* Halam */
735 /*{"ga-Latg?/Latg?",	HB_TAG('I','R','T',' ')},*/	/* Irish Traditional */
736 /*{"krc",	HB_TAG('K','A','R',' ')},*/	/* Karachay */
737 /*{"alw?/ktb?",	HB_TAG('K','E','B',' ')},*/	/* Kebena */
738 /*{"Geok",	HB_TAG('K','G','E',' ')},*/	/* Khutsuri Georgian */
739 /*{"kca",	HB_TAG('K','H','K',' ')},*/	/* Khanty-Kazim */
740 /*{"kca",	HB_TAG('K','H','S',' ')},*/	/* Khanty-Shurishkar */
741 /*{"kca",	HB_TAG('K','H','V',' ')},*/	/* Khanty-Vakhi */
742 /*{"guz?/kqs?/kss?",	HB_TAG('K','I','S',' ')},*/	/* Kisii */
743 /*{"kfa/kfi?/kpb?/xua?/xuj?",	HB_TAG('K','O','D',' ')},*/	/* Kodagu */
744 /*{"okm?/oko?",	HB_TAG('K','O','H',' ')},*/	/* Korean Old Hangul */
745 /*{"kon?/ktu?/...",	HB_TAG('K','O','N',' ')},*/	/* Kikongo */
746 /*{"kfx?",	HB_TAG('K','U','L',' ')},*/	/* Kulvi */
747 /*{"??",	HB_TAG('L','A','H',' ')},*/	/* Lahuli */
748 /*{"??",	HB_TAG('L','C','R',' ')},*/	/* L-Cree */
749 /*{"??",	HB_TAG('M','A','L',' ')},*/	/* Malayalam Traditional */
750 /*{"mnk?/mlq?/...",	HB_TAG('M','L','N',' ')},*/	/* Malinke */
751 /*{"??",	HB_TAG('N','C','R',' ')},*/	/* N-Cree */
752 /*{"??",	HB_TAG('N','H','C',' ')},*/	/* Norway House Cree */
753 /*{"jpa?/sam?",	HB_TAG('P','A','A',' ')},*/	/* Palestinian Aramaic */
754 /*{"polyton",	HB_TAG('P','G','R',' ')},*/	/* Polytonic Greek */
755 /*{"??",	HB_TAG('Q','I','N',' ')},*/	/* Asho Chin */
756 /*{"??",	HB_TAG('R','C','R',' ')},*/	/* R-Cree */
757 /*{"chp?",	HB_TAG('S','A','Y',' ')},*/	/* Sayisi */
758 /*{"xan?",	HB_TAG('S','E','K',' ')},*/	/* Sekota */
759 /*{"ngo?",	HB_TAG('S','X','T',' ')},*/	/* Sutu */
760 /*{"??",	HB_TAG('T','C','R',' ')},*/	/* TH-Cree */
761 /*{"tnz?/tog?/toi?",	HB_TAG('T','N','G',' ')},*/	/* Tonga */
762 /*{"enh?/yrk?",	HB_TAG('T','N','E',' ')},*/	/* Tundra Nenets */
763 /*{"??",	HB_TAG('W','C','R',' ')},*/	/* West-Cree */
764 /*{"cre?",	HB_TAG('Y','C','R',' ')},*/	/* Y-Cree */
765 /*{"??",	HB_TAG('Y','I','C',' ')},*/	/* Yi Classic */
766 /*{"ii?/Yiii?",	HB_TAG('Y','I','M',' ')},*/	/* Yi Modern */
767 /*{"??",	HB_TAG('Z','H','P',' ')},*/	/* Chinese Phonetic */
768 };
769 
770 typedef struct {
771   char language[8];
772   hb_tag_t tag;
773 } LangTagLong;
774 static const LangTagLong ot_languages_zh[] = {
775   {"zh-cn",	HB_TAG('Z','H','S',' ')},	/* Chinese (China) */
776   {"zh-hk",	HB_TAG('Z','H','H',' ')},	/* Chinese (Hong Kong) */
777   {"zh-mo",	HB_TAG('Z','H','T',' ')},	/* Chinese (Macao) */
778   {"zh-sg",	HB_TAG('Z','H','S',' ')},	/* Chinese (Singapore) */
779   {"zh-tw",	HB_TAG('Z','H','T',' ')},	/* Chinese (Taiwan) */
780   {"zh-hans",	HB_TAG('Z','H','S',' ')},	/* Chinese (Simplified) */
781   {"zh-hant",	HB_TAG('Z','H','T',' ')},	/* Chinese (Traditional) */
782 };
783 
784 static int
lang_compare_first_component(const char * a,const char * b)785 lang_compare_first_component (const char *a,
786 			      const char *b)
787 {
788   unsigned int da, db;
789   const char *p;
790 
791   p = strchr (a, '-');
792   da = p ? (unsigned int) (p - a) : strlen (a);
793 
794   p = strchr (b, '-');
795   db = p ? (unsigned int) (p - b) : strlen (b);
796 
797   return strncmp (a, b, MAX (da, db));
798 }
799 
800 static hb_bool_t
lang_matches(const char * lang_str,const char * spec)801 lang_matches (const char *lang_str, const char *spec)
802 {
803   unsigned int len = strlen (spec);
804 
805   return strncmp (lang_str, spec, len) == 0 &&
806 	 (lang_str[len] == '\0' || lang_str[len] == '-');
807 }
808 
809 hb_tag_t
hb_ot_tag_from_language(hb_language_t language)810 hb_ot_tag_from_language (hb_language_t language)
811 {
812   const char *lang_str, *s;
813 
814   if (language == HB_LANGUAGE_INVALID)
815     return HB_OT_TAG_DEFAULT_LANGUAGE;
816 
817   lang_str = hb_language_to_string (language);
818 
819   s = strstr (lang_str, "x-hbot");
820   if (s) {
821     char tag[4];
822     int i;
823     s += 6;
824     for (i = 0; i < 4 && ISALPHA (s[i]); i++)
825       tag[i] = TOUPPER (s[i]);
826     if (i) {
827       for (; i < 4; i++)
828 	tag[i] = ' ';
829       return HB_TAG_CHAR4 (tag);
830     }
831   }
832 
833   /*
834    * The International Phonetic Alphabet is a variant tag in BCP-47,
835    * which can be applied to any language.
836    */
837   if (strstr (lang_str, "-fonipa")) {
838     return HB_TAG('I','P','P','H');  /* Phonetic transcription—IPA conventions */
839   }
840 
841   /* Find a language matching in the first component */
842   {
843     const LangTag *lang_tag;
844     lang_tag = (LangTag *) bsearch (lang_str, ot_languages,
845 				    ARRAY_LENGTH (ot_languages), sizeof (LangTag),
846 				    (hb_compare_func_t) lang_compare_first_component);
847     if (lang_tag)
848       return lang_tag->tag;
849   }
850 
851   /* Otherwise, check the Chinese ones */
852   if (0 == lang_compare_first_component (lang_str, "zh"))
853   {
854     unsigned int i;
855 
856     for (i = 0; i < ARRAY_LENGTH (ot_languages_zh); i++)
857     {
858       const LangTagLong *lang_tag;
859       lang_tag = &ot_languages_zh[i];
860       if (lang_matches (lang_str, lang_tag->language))
861 	return lang_tag->tag;
862     }
863 
864     /* Otherwise just return 'ZHS ' */
865     return HB_TAG('Z','H','S',' ');
866   }
867 
868   s = strchr (lang_str, '-');
869   if (!s)
870     s = lang_str + strlen (lang_str);
871   if (s - lang_str == 3) {
872     /* Assume it's ISO-639-3 and upper-case and use it. */
873     return hb_tag_from_string (lang_str, s - lang_str) & ~0x20202000u;
874   }
875 
876   return HB_OT_TAG_DEFAULT_LANGUAGE;
877 }
878 
879 /**
880  * hb_ot_tag_to_language:
881  *
882  *
883  *
884  * Return value: (transfer none):
885  *
886  * Since: 0.9.2
887  **/
888 hb_language_t
hb_ot_tag_to_language(hb_tag_t tag)889 hb_ot_tag_to_language (hb_tag_t tag)
890 {
891   unsigned int i;
892 
893   if (tag == HB_OT_TAG_DEFAULT_LANGUAGE)
894     return NULL;
895 
896   for (i = 0; i < ARRAY_LENGTH (ot_languages); i++)
897     if (ot_languages[i].tag == tag)
898       return hb_language_from_string (ot_languages[i].language, -1);
899 
900   /* If tag starts with ZH, it's Chinese */
901   if ((tag & 0xFFFF0000u)  == 0x5A480000u) {
902     switch (tag) {
903       case HB_TAG('Z','H','H',' '): return hb_language_from_string ("zh-hk", -1); /* Hong Kong */
904       case HB_TAG('Z','H','S',' '): return hb_language_from_string ("zh-Hans", -1); /* Simplified */
905       case HB_TAG('Z','H','T',' '): return hb_language_from_string ("zh-Hant", -1); /* Traditional */
906       default: break; /* Fall through */
907     }
908   }
909 
910   /* struct LangTag has only room for 3-letter language tags. */
911   switch (tag) {
912   case HB_TAG('I','P','P','H'):  /* Phonetic transcription—IPA conventions */
913     return hb_language_from_string ("und-fonipa", -1);
914   }
915 
916   /* Else return a custom language in the form of "x-hbotABCD" */
917   {
918     unsigned char buf[11] = "x-hbot";
919     buf[6] = tag >> 24;
920     buf[7] = (tag >> 16) & 0xFF;
921     buf[8] = (tag >> 8) & 0xFF;
922     buf[9] = tag & 0xFF;
923     if (buf[9] == 0x20)
924       buf[9] = '\0';
925     buf[10] = '\0';
926     return hb_language_from_string ((char *) buf, -1);
927   }
928 }
929 
930 #ifdef MAIN
931 static inline void
test_langs_sorted(void)932 test_langs_sorted (void)
933 {
934   for (unsigned int i = 1; i < ARRAY_LENGTH (ot_languages); i++)
935   {
936     int c = lang_compare_first_component (ot_languages[i-1].language, ot_languages[i].language);
937     if (c >= 0)
938     {
939       fprintf (stderr, "ot_languages not sorted at index %d: %s %d %s\n",
940 	       i, ot_languages[i-1].language, c, ot_languages[i].language);
941       abort();
942     }
943   }
944 }
945 
946 int
main(void)947 main (void)
948 {
949   test_langs_sorted ();
950   return 0;
951 }
952 
953 #endif
954