/*
* Copyright © 2009 Red Hat, Inc.
* Copyright © 2011 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Red Hat Author(s): Behdad Esfahbod
* Google Author(s): Behdad Esfahbod, Roozbeh Pournader
*/
#include "hb-private.hh"
#include "hb-ot.h"
#include <string.h>
/* hb_script_t */
static hb_tag_t
hb_ot_old_tag_from_script (hb_script_t script)
{
/* This seems to be accurate as of end of 2012. */
switch ((hb_tag_t) script) {
case HB_SCRIPT_INVALID: return HB_OT_TAG_DEFAULT_SCRIPT;
/* KATAKANA and HIRAGANA both map to 'kana' */
case HB_SCRIPT_HIRAGANA: return HB_TAG('k','a','n','a');
/* Spaces at the end are preserved, unlike ISO 15924 */
case HB_SCRIPT_LAO: return HB_TAG('l','a','o',' ');
case HB_SCRIPT_YI: return HB_TAG('y','i',' ',' ');
/* Unicode-5.0 additions */
case HB_SCRIPT_NKO: return HB_TAG('n','k','o',' ');
/* Unicode-5.1 additions */
case HB_SCRIPT_VAI: return HB_TAG('v','a','i',' ');
/* Unicode-5.2 additions */
/* Unicode-6.0 additions */
}
/* Else, just change first char to lowercase and return */
return ((hb_tag_t) script) | 0x20000000;
}
static hb_script_t
hb_ot_old_tag_to_script (hb_tag_t tag)
{
if (unlikely (tag == HB_OT_TAG_DEFAULT_SCRIPT))
return HB_SCRIPT_INVALID;
/* This side of the conversion is fully algorithmic. */
/* Any spaces at the end of the tag are replaced by repeating the last
* letter. Eg 'nko ' -> 'Nkoo' */
if (unlikely ((tag & 0x0000FF00) == 0x00002000))
tag |= (tag >> 8) & 0x0000FF00; /* Copy second letter to third */
if (unlikely ((tag & 0x000000FF) == 0x00000020))
tag |= (tag >> 8) & 0x000000FF; /* Copy third letter to fourth */
/* Change first char to uppercase and return */
return (hb_script_t) (tag & ~0x20000000);
}
static hb_tag_t
hb_ot_new_tag_from_script (hb_script_t script)
{
switch ((hb_tag_t) script) {
case HB_SCRIPT_BENGALI: return HB_TAG('b','n','g','2');
case HB_SCRIPT_DEVANAGARI: return HB_TAG('d','e','v','2');
case HB_SCRIPT_GUJARATI: return HB_TAG('g','j','r','2');
case HB_SCRIPT_GURMUKHI: return HB_TAG('g','u','r','2');
case HB_SCRIPT_KANNADA: return HB_TAG('k','n','d','2');
case HB_SCRIPT_MALAYALAM: return HB_TAG('m','l','m','2');
case HB_SCRIPT_ORIYA: return HB_TAG('o','r','y','2');
case HB_SCRIPT_TAMIL: return HB_TAG('t','m','l','2');
case HB_SCRIPT_TELUGU: return HB_TAG('t','e','l','2');
case HB_SCRIPT_MYANMAR: return HB_TAG('m','y','m','2');
}
return HB_OT_TAG_DEFAULT_SCRIPT;
}
static hb_script_t
hb_ot_new_tag_to_script (hb_tag_t tag)
{
switch (tag) {
case HB_TAG('b','n','g','2'): return HB_SCRIPT_BENGALI;
case HB_TAG('d','e','v','2'): return HB_SCRIPT_DEVANAGARI;
case HB_TAG('g','j','r','2'): return HB_SCRIPT_GUJARATI;
case HB_TAG('g','u','r','2'): return HB_SCRIPT_GURMUKHI;
case HB_TAG('k','n','d','2'): return HB_SCRIPT_KANNADA;
case HB_TAG('m','l','m','2'): return HB_SCRIPT_MALAYALAM;
case HB_TAG('o','r','y','2'): return HB_SCRIPT_ORIYA;
case HB_TAG('t','m','l','2'): return HB_SCRIPT_TAMIL;
case HB_TAG('t','e','l','2'): return HB_SCRIPT_TELUGU;
case HB_TAG('m','y','m','2'): return HB_SCRIPT_MYANMAR;
}
return HB_SCRIPT_UNKNOWN;
}
/*
* Complete list at:
* https://www.microsoft.com/typography/otspec/scripttags.htm
* https://www.microsoft.com/typography/otspec160/scripttagsProposed.htm
*
* Most of the script tags are the same as the ISO 15924 tag but lowercased.
* So we just do that, and handle the exceptional cases in a switch.
*/
void
hb_ot_tags_from_script (hb_script_t script,
hb_tag_t *script_tag_1,
hb_tag_t *script_tag_2)
{
hb_tag_t new_tag;
*script_tag_2 = HB_OT_TAG_DEFAULT_SCRIPT;
*script_tag_1 = hb_ot_old_tag_from_script (script);
new_tag = hb_ot_new_tag_from_script (script);
if (unlikely (new_tag != HB_OT_TAG_DEFAULT_SCRIPT)) {
*script_tag_2 = *script_tag_1;
*script_tag_1 = new_tag;
}
}
hb_script_t
hb_ot_tag_to_script (hb_tag_t tag)
{
if (unlikely ((tag & 0x000000FF) == '2'))
return hb_ot_new_tag_to_script (tag);
return hb_ot_old_tag_to_script (tag);
}
/* hb_language_t */
typedef struct {
char language[6];
hb_tag_t tag;
} LangTag;
/*
* Complete list at:
* http://www.microsoft.com/typography/otspec/languagetags.htm
*
* Generated by intersecting the OpenType language tag list from
* Draft OpenType 1.5 spec, with with the ISO 639-3 codes from
* 2008/08/04, matching on name, and finally adjusted manually.
*
* Updated on 2012/12/07 with more research into remaining codes.
*
* Some items still missing. Those are commented out at the end.
* Keep sorted for bsearch.
*/
static const LangTag ot_languages[] = {
{"aa", HB_TAG('A','F','R',' ')}, /* Afar */
{"ab", HB_TAG('A','B','K',' ')}, /* Abkhazian */
{"abq", HB_TAG('A','B','A',' ')}, /* Abaza */
{"ada", HB_TAG('D','N','G',' ')}, /* Dangme */
{"ady", HB_TAG('A','D','Y',' ')}, /* Adyghe */
{"af", HB_TAG('A','F','K',' ')}, /* Afrikaans */
{"aii", HB_TAG('S','W','A',' ')}, /* Swadaya Aramaic */
{"aiw", HB_TAG('A','R','I',' ')}, /* Aari */
{"alt", HB_TAG('A','L','T',' ')}, /* [Southern] Altai */
{"am", HB_TAG('A','M','H',' ')}, /* Amharic */
{"amf", HB_TAG('H','B','N',' ')}, /* Hammer-Banna */
{"ar", HB_TAG('A','R','A',' ')}, /* Arabic */
{"arn", HB_TAG('M','A','P',' ')}, /* Mapudungun */
{"as", HB_TAG('A','S','M',' ')}, /* Assamese */
{"ath", HB_TAG('A','T','H',' ')}, /* Athapaskan [family] */
{"atv", HB_TAG('A','L','T',' ')}, /* [Northern] Altai */
{"av", HB_TAG('A','V','R',' ')}, /* Avaric */
{"awa", HB_TAG('A','W','A',' ')}, /* Awadhi */
{"ay", HB_TAG('A','Y','M',' ')}, /* Aymara */
{"az", HB_TAG('A','Z','E',' ')}, /* Azerbaijani */
{"ba", HB_TAG('B','S','H',' ')}, /* Bashkir */
{"bai", HB_TAG('B','M','L',' ')}, /* Bamileke [family] */
{"bal", HB_TAG('B','L','I',' ')}, /* Baluchi */
{"bci", HB_TAG('B','A','U',' ')}, /* Baule */
{"bcq", HB_TAG('B','C','H',' ')}, /* Bench */
{"be", HB_TAG('B','E','L',' ')}, /* Belarussian */
{"bem", HB_TAG('B','E','M',' ')}, /* Bemba (Zambia) */
{"ber", HB_TAG('B','E','R',' ')}, /* Berber [family] */
{"bfq", HB_TAG('B','A','D',' ')}, /* Badaga */
{"bft", HB_TAG('B','L','T',' ')}, /* Balti */
{"bfy", HB_TAG('B','A','G',' ')}, /* Baghelkhandi */
{"bg", HB_TAG('B','G','R',' ')}, /* Bulgarian */
{"bhb", HB_TAG('B','H','I',' ')}, /* Bhili */
{"bho", HB_TAG('B','H','O',' ')}, /* Bhojpuri */
{"bik", HB_TAG('B','I','K',' ')}, /* Bikol */
{"bin", HB_TAG('E','D','O',' ')}, /* Bini */
{"bjt", HB_TAG('B','L','N',' ')}, /* Balanta-Ganja */
{"bla", HB_TAG('B','K','F',' ')}, /* Blackfoot */
{"ble", HB_TAG('B','L','N',' ')}, /* Balanta-Kentohe */
{"bm", HB_TAG('B','M','B',' ')}, /* Bambara */
{"bn", HB_TAG('B','E','N',' ')}, /* Bengali */
{"bo", HB_TAG('T','I','B',' ')}, /* Tibetan */
{"br", HB_TAG('B','R','E',' ')}, /* Breton */
{"bra", HB_TAG('B','R','I',' ')}, /* Braj Bhasha */
{"brh", HB_TAG('B','R','H',' ')}, /* Brahui */
{"bs", HB_TAG('B','O','S',' ')}, /* Bosnian */
{"btb", HB_TAG('B','T','I',' ')}, /* Beti (Cameroon) */
{"bxr", HB_TAG('R','B','U',' ')}, /* Russian Buriat */
{"byn", HB_TAG('B','I','L',' ')}, /* Bilen */
{"ca", HB_TAG('C','A','T',' ')}, /* Catalan */
{"ce", HB_TAG('C','H','E',' ')}, /* Chechen */
{"ceb", HB_TAG('C','E','B',' ')}, /* Cebuano */
{"chp", HB_TAG('C','H','P',' ')}, /* Chipewyan */
{"chr", HB_TAG('C','H','R',' ')}, /* Cherokee */
{"ckt", HB_TAG('C','H','K',' ')}, /* Chukchi */
{"cop", HB_TAG('C','O','P',' ')}, /* Coptic */
{"cr", HB_TAG('C','R','E',' ')}, /* Cree */
{"crh", HB_TAG('C','R','T',' ')}, /* Crimean Tatar */
{"crj", HB_TAG('E','C','R',' ')}, /* [Southern] East Cree */
{"crl", HB_TAG('E','C','R',' ')}, /* [Northern] East Cree */
{"crm", HB_TAG('M','C','R',' ')}, /* Moose Cree */
{"crx", HB_TAG('C','R','R',' ')}, /* Carrier */
{"cs", HB_TAG('C','S','Y',' ')}, /* Czech */
{"cu", HB_TAG('C','S','L',' ')}, /* Church Slavic */
{"cv", HB_TAG('C','H','U',' ')}, /* Chuvash */
{"cwd", HB_TAG('D','C','R',' ')}, /* Woods Cree */
{"cy", HB_TAG('W','E','L',' ')}, /* Welsh */
{"da", HB_TAG('D','A','N',' ')}, /* Danish */
{"dap", HB_TAG('N','I','S',' ')}, /* Nisi (India) */
{"dar", HB_TAG('D','A','R',' ')}, /* Dargwa */
{"de", HB_TAG('D','E','U',' ')}, /* German */
{"din", HB_TAG('D','N','K',' ')}, /* Dinka */
{"dje", HB_TAG('D','J','R',' ')}, /* Djerma */
{"dng", HB_TAG('D','U','N',' ')}, /* Dungan */
{"doi", HB_TAG('D','G','R',' ')}, /* Dogri */
{"dsb", HB_TAG('L','S','B',' ')}, /* Lower Sorbian */
{"dv", HB_TAG('D','I','V',' ')}, /* Dhivehi */
{"dyu", HB_TAG('J','U','L',' ')}, /* Jula */
{"dz", HB_TAG('D','Z','N',' ')}, /* Dzongkha */
{"ee", HB_TAG('E','W','E',' ')}, /* Ewe */
{"efi", HB_TAG('E','F','I',' ')}, /* Efik */
{"el", HB_TAG('E','L','L',' ')}, /* Modern Greek (1453-) */
{"en", HB_TAG('E','N','G',' ')}, /* English */
{"eo", HB_TAG('N','T','O',' ')}, /* Esperanto */
{"eot", HB_TAG('B','T','I',' ')}, /* Beti (Côte d'Ivoire) */
{"es", HB_TAG('E','S','P',' ')}, /* Spanish */
{"et", HB_TAG('E','T','I',' ')}, /* Estonian */
{"eu", HB_TAG('E','U','Q',' ')}, /* Basque */
{"eve", HB_TAG('E','V','N',' ')}, /* Even */
{"evn", HB_TAG('E','V','K',' ')}, /* Evenki */
{"fa", HB_TAG('F','A','R',' ')}, /* Persian */
{"ff", HB_TAG('F','U','L',' ')}, /* Fulah */
{"fi", HB_TAG('F','I','N',' ')}, /* Finnish */
{"fil", HB_TAG('P','I','L',' ')}, /* Filipino */
{"fj", HB_TAG('F','J','I',' ')}, /* Fijian */
{"fo", HB_TAG('F','O','S',' ')}, /* Faroese */
{"fon", HB_TAG('F','O','N',' ')}, /* Fon */
{"fr", HB_TAG('F','R','A',' ')}, /* French */
{"fur", HB_TAG('F','R','L',' ')}, /* Friulian */
{"fy", HB_TAG('F','R','I',' ')}, /* Western Frisian */
{"ga", HB_TAG('I','R','I',' ')}, /* Irish */
{"gaa", HB_TAG('G','A','D',' ')}, /* Ga */
{"gag", HB_TAG('G','A','G',' ')}, /* Gagauz */
{"gbm", HB_TAG('G','A','W',' ')}, /* Garhwali */
{"gd", HB_TAG('G','A','E',' ')}, /* Scottish Gaelic */
{"gez", HB_TAG('G','E','Z',' ')}, /* Ge'ez */
{"gl", HB_TAG('G','A','L',' ')}, /* Galician */
{"gld", HB_TAG('N','A','N',' ')}, /* Nanai */
{"gn", HB_TAG('G','U','A',' ')}, /* Guarani */
{"gon", HB_TAG('G','O','N',' ')}, /* Gondi */
{"grt", HB_TAG('G','R','O',' ')}, /* Garo */
{"gru", HB_TAG('S','O','G',' ')}, /* Sodo Gurage */
{"gu", HB_TAG('G','U','J',' ')}, /* Gujarati */
{"guk", HB_TAG('G','M','Z',' ')}, /* Gumuz */
{"gv", HB_TAG('M','N','X',' ')}, /* Manx Gaelic */
{"ha", HB_TAG('H','A','U',' ')}, /* Hausa */
{"har", HB_TAG('H','R','I',' ')}, /* Harari */
{"haw", HB_TAG('H','A','W',' ')}, /* Hawaiin */
{"he", HB_TAG('I','W','R',' ')}, /* Hebrew */
{"hi", HB_TAG('H','I','N',' ')}, /* Hindi */
{"hil", HB_TAG('H','I','L',' ')}, /* Hiligaynon */
{"hnd", HB_TAG('H','N','D',' ')}, /* [Southern] Hindko */
{"hne", HB_TAG('C','H','H',' ')}, /* Chattisgarhi */
{"hno", HB_TAG('H','N','D',' ')}, /* [Northern] Hindko */
{"hoc", HB_TAG('H','O',' ',' ')}, /* Ho */
{"hoj", HB_TAG('H','A','R',' ')}, /* Harauti */
{"hr", HB_TAG('H','R','V',' ')}, /* Croatian */
{"hsb", HB_TAG('U','S','B',' ')}, /* Upper Sorbian */
{"ht", HB_TAG('H','A','I',' ')}, /* Haitian */
{"hu", HB_TAG('H','U','N',' ')}, /* Hungarian */
{"hy", HB_TAG('H','Y','E',' ')}, /* Armenian */
{"id", HB_TAG('I','N','D',' ')}, /* Indonesian */
{"ig", HB_TAG('I','B','O',' ')}, /* Igbo */
{"igb", HB_TAG('E','B','I',' ')}, /* Ebira */
{"ijo", HB_TAG('I','J','O',' ')}, /* Ijo [family] */
{"ilo", HB_TAG('I','L','O',' ')}, /* Ilokano */
{"inh", HB_TAG('I','N','G',' ')}, /* Ingush */
{"is", HB_TAG('I','S','L',' ')}, /* Icelandic */
{"it", HB_TAG('I','T','A',' ')}, /* Italian */
{"iu", HB_TAG('I','N','U',' ')}, /* Inuktitut */
{"ja", HB_TAG('J','A','N',' ')}, /* Japanese */
{"jv", HB_TAG('J','A','V',' ')}, /* Javanese */
{"ka", HB_TAG('K','A','T',' ')}, /* Georgian */
{"kaa", HB_TAG('K','R','K',' ')}, /* Karakalpak */
{"kam", HB_TAG('K','M','B',' ')}, /* Kamba (Kenya) */
{"kar", HB_TAG('K','R','N',' ')}, /* Karen [family] */
{"kbd", HB_TAG('K','A','B',' ')}, /* Kabardian */
{"kdr", HB_TAG('K','R','M',' ')}, /* Karaim */
{"kdt", HB_TAG('K','U','Y',' ')}, /* Kuy */
{"kex", HB_TAG('K','K','N',' ')}, /* Kokni */
{"kfr", HB_TAG('K','A','C',' ')}, /* Kachchi */
{"kfy", HB_TAG('K','M','N',' ')}, /* Kumaoni */
{"kha", HB_TAG('K','S','I',' ')}, /* Khasi */
{"khb", HB_TAG('X','B','D',' ')}, /* Tai Lue */
{"khw", HB_TAG('K','H','W',' ')}, /* Khowar */
{"ki", HB_TAG('K','I','K',' ')}, /* Kikuyu */
{"kjh", HB_TAG('K','H','A',' ')}, /* Khakass */
{"kk", HB_TAG('K','A','Z',' ')}, /* Kazakh */
{"kl", HB_TAG('G','R','N',' ')}, /* Kalaallisut */
{"kln", HB_TAG('K','A','L',' ')}, /* Kalenjin */
{"km", HB_TAG('K','H','M',' ')}, /* Central Khmer */
{"kmb", HB_TAG('M','B','N',' ')}, /* [North] Mbundu */
{"kmw", HB_TAG('K','M','O',' ')}, /* Komo (Democratic Republic of Congo) */
{"kn", HB_TAG('K','A','N',' ')}, /* Kannada */
{"ko", HB_TAG('K','O','R',' ')}, /* Korean */
{"koi", HB_TAG('K','O','P',' ')}, /* Komi-Permyak */
{"kok", HB_TAG('K','O','K',' ')}, /* Konkani */
{"kpe", HB_TAG('K','P','L',' ')}, /* Kpelle */
{"kpv", HB_TAG('K','O','Z',' ')}, /* Komi-Zyrian */
{"kpy", HB_TAG('K','Y','K',' ')}, /* Koryak */
{"kqy", HB_TAG('K','R','T',' ')}, /* Koorete */
{"kr", HB_TAG('K','N','R',' ')}, /* Kanuri */
{"kri", HB_TAG('K','R','I',' ')}, /* Krio */
{"krl", HB_TAG('K','R','L',' ')}, /* Karelian */
{"kru", HB_TAG('K','U','U',' ')}, /* Kurukh */
{"ks", HB_TAG('K','S','H',' ')}, /* Kashmiri */
{"ku", HB_TAG('K','U','R',' ')}, /* Kurdish */
{"kum", HB_TAG('K','U','M',' ')}, /* Kumyk */
{"kvd", HB_TAG('K','U','I',' ')}, /* Kui (Indonesia) */
{"kxc", HB_TAG('K','M','S',' ')}, /* Komso */
{"kxu", HB_TAG('K','U','I',' ')}, /* Kui (India) */
{"ky", HB_TAG('K','I','R',' ')}, /* Kirghiz */
{"la", HB_TAG('L','A','T',' ')}, /* Latin */
{"lad", HB_TAG('J','U','D',' ')}, /* Ladino */
{"lb", HB_TAG('L','T','Z',' ')}, /* Luxembourgish */
{"lbe", HB_TAG('L','A','K',' ')}, /* Lak */
{"lbj", HB_TAG('L','D','K',' ')}, /* Ladakhi */
{"lez", HB_TAG('L','E','Z',' ')}, /* Lezgi */
{"lg", HB_TAG('L','U','G',' ')}, /* Luganda */
{"lif", HB_TAG('L','M','B',' ')}, /* Limbu */
{"lld", HB_TAG('L','A','D',' ')}, /* Ladin */
{"lmn", HB_TAG('L','A','M',' ')}, /* Lambani */
{"ln", HB_TAG('L','I','N',' ')}, /* Lingala */
{"lo", HB_TAG('L','A','O',' ')}, /* Lao */
{"lt", HB_TAG('L','T','H',' ')}, /* Lithuanian */
{"lu", HB_TAG('L','U','B',' ')}, /* Luba-Katanga */
{"lua", HB_TAG('L','U','B',' ')}, /* Luba-Kasai */
{"luo", HB_TAG('L','U','O',' ')}, /* Luo (Kenya and Tanzania) */
{"lus", HB_TAG('M','I','Z',' ')}, /* Mizo */
{"luy", HB_TAG('L','U','H',' ')}, /* Luhya [macrolanguage] */
{"lv", HB_TAG('L','V','I',' ')}, /* Latvian */
{"lzz", HB_TAG('L','A','Z',' ')}, /* Laz */
{"mai", HB_TAG('M','T','H',' ')}, /* Maithili */
{"mdc", HB_TAG('M','L','E',' ')}, /* Male (Papua New Guinea) */
{"mdf", HB_TAG('M','O','K',' ')}, /* Moksha */
{"mdy", HB_TAG('M','L','E',' ')}, /* Male (Ethiopia) */
{"men", HB_TAG('M','D','E',' ')}, /* Mende (Sierra Leone) */
{"mg", HB_TAG('M','L','G',' ')}, /* Malagasy */
{"mhr", HB_TAG('L','M','A',' ')}, /* Low Mari */
{"mi", HB_TAG('M','R','I',' ')}, /* Maori */
{"mk", HB_TAG('M','K','D',' ')}, /* Macedonian */
{"ml", HB_TAG('M','L','R',' ')}, /* Malayalam */
{"mn", HB_TAG('M','N','G',' ')}, /* Mongolian */
{"mnc", HB_TAG('M','C','H',' ')}, /* Manchu */
{"mni", HB_TAG('M','N','I',' ')}, /* Manipuri */
{"mnk", HB_TAG('M','N','D',' ')}, /* Mandinka */
{"mns", HB_TAG('M','A','N',' ')}, /* Mansi */
{"mnw", HB_TAG('M','O','N',' ')}, /* Mon */
{"mo", HB_TAG('M','O','L',' ')}, /* Moldavian */
{"moh", HB_TAG('M','O','H',' ')}, /* Mohawk */
{"mpe", HB_TAG('M','A','J',' ')}, /* Majang */
{"mr", HB_TAG('M','A','R',' ')}, /* Marathi */
{"mrj", HB_TAG('H','M','A',' ')}, /* High Mari */
{"ms", HB_TAG('M','L','Y',' ')}, /* Malay */
{"mt", HB_TAG('M','T','S',' ')}, /* Maltese */
{"mwr", HB_TAG('M','A','W',' ')}, /* Marwari */
{"my", HB_TAG('B','R','M',' ')}, /* Burmese */
{"mym", HB_TAG('M','E','N',' ')}, /* Me'en */
{"myv", HB_TAG('E','R','Z',' ')}, /* Erzya */
{"nag", HB_TAG('N','A','G',' ')}, /* Naga-Assamese */
{"nb", HB_TAG('N','O','R',' ')}, /* Norwegian Bokmål */
{"nco", HB_TAG('S','I','B',' ')}, /* Sibe */
{"nd", HB_TAG('N','D','B',' ')}, /* [North] Ndebele */
{"ne", HB_TAG('N','E','P',' ')}, /* Nepali */
{"new", HB_TAG('N','E','W',' ')}, /* Newari */
{"ng", HB_TAG('N','D','G',' ')}, /* Ndonga */
{"ngl", HB_TAG('L','M','W',' ')}, /* Lomwe */
{"niu", HB_TAG('N','I','U',' ')}, /* Niuean */
{"niv", HB_TAG('G','I','L',' ')}, /* Gilyak */
{"nl", HB_TAG('N','L','D',' ')}, /* Dutch */
{"nn", HB_TAG('N','Y','N',' ')}, /* Norwegian Nynorsk */
{"no", HB_TAG('N','O','R',' ')}, /* Norwegian (deprecated) */
{"nod", HB_TAG('N','T','A',' ')}, /* Northern Tai */
{"nog", HB_TAG('N','O','G',' ')}, /* Nogai */
{"nqo", HB_TAG('N','K','O',' ')}, /* N'Ko */
{"nr", HB_TAG('N','D','B',' ')}, /* [South] Ndebele */
{"nsk", HB_TAG('N','A','S',' ')}, /* Naskapi */
{"nso", HB_TAG('S','O','T',' ')}, /* [Northern] Sotho */
{"ny", HB_TAG('C','H','I',' ')}, /* Nyanja */
{"nyn", HB_TAG('N','K','L',' ')}, /* Nkole */
{"oc", HB_TAG('O','C','I',' ')}, /* Occitan (post 1500) */
{"oj", HB_TAG('O','J','B',' ')}, /* Ojibwa */
{"ojs", HB_TAG('O','C','R',' ')}, /* Oji-Cree */
{"om", HB_TAG('O','R','O',' ')}, /* Oromo */
{"or", HB_TAG('O','R','I',' ')}, /* Oriya */
{"os", HB_TAG('O','S','S',' ')}, /* Ossetian */
{"pa", HB_TAG('P','A','N',' ')}, /* Panjabi */
{"pce", HB_TAG('P','L','G',' ')}, /* [Ruching] Palaung */
{"pi", HB_TAG('P','A','L',' ')}, /* Pali */
{"pl", HB_TAG('P','L','K',' ')}, /* Polish */
{"pll", HB_TAG('P','L','G',' ')}, /* [Shwe] Palaung */
{"plp", HB_TAG('P','A','P',' ')}, /* Palpa */
{"prs", HB_TAG('D','R','I',' ')}, /* Dari */
{"ps", HB_TAG('P','A','S',' ')}, /* Pushto */
{"pt", HB_TAG('P','T','G',' ')}, /* Portuguese */
{"raj", HB_TAG('R','A','J',' ')}, /* Rajasthani */
{"rbb", HB_TAG('P','L','G',' ')}, /* [Rumai] Palaung */
{"ria", HB_TAG('R','I','A',' ')}, /* Riang (India) */
{"ril", HB_TAG('R','I','A',' ')}, /* Riang (Myanmar) */
{"rki", HB_TAG('A','R','K',' ')}, /* Arakanese */
{"rm", HB_TAG('R','M','S',' ')}, /* Rhaeto-Romanic */
{"ro", HB_TAG('R','O','M',' ')}, /* Romanian */
{"rom", HB_TAG('R','O','Y',' ')}, /* Romany */
{"ru", HB_TAG('R','U','S',' ')}, /* Russian */
{"rue", HB_TAG('R','S','Y',' ')}, /* Rusyn */
{"rw", HB_TAG('R','U','A',' ')}, /* Ruanda */
{"sa", HB_TAG('S','A','N',' ')}, /* Sanskrit */
{"sah", HB_TAG('Y','A','K',' ')}, /* Yakut */
{"sat", HB_TAG('S','A','T',' ')}, /* Santali */
{"sck", HB_TAG('S','A','D',' ')}, /* Sadri */
{"scs", HB_TAG('S','L','A',' ')}, /* [North] Slavey */
{"sd", HB_TAG('S','N','D',' ')}, /* Sindhi */
{"se", HB_TAG('N','S','M',' ')}, /* Northern Sami */
{"seh", HB_TAG('S','N','A',' ')}, /* Sena */
{"sel", HB_TAG('S','E','L',' ')}, /* Selkup */
{"sg", HB_TAG('S','G','O',' ')}, /* Sango */
{"shn", HB_TAG('S','H','N',' ')}, /* Shan */
{"si", HB_TAG('S','N','H',' ')}, /* Sinhala */
{"sid", HB_TAG('S','I','D',' ')}, /* Sidamo */
{"sjd", HB_TAG('K','S','M',' ')}, /* Kildin Sami */
{"sk", HB_TAG('S','K','Y',' ')}, /* Slovak */
{"skr", HB_TAG('S','R','K',' ')}, /* Seraiki */
{"sl", HB_TAG('S','L','V',' ')}, /* Slovenian */
{"sm", HB_TAG('S','M','O',' ')}, /* Samoan */
{"sma", HB_TAG('S','S','M',' ')}, /* Southern Sami */
{"smj", HB_TAG('L','S','M',' ')}, /* Lule Sami */
{"smn", HB_TAG('I','S','M',' ')}, /* Inari Sami */
{"sms", HB_TAG('S','K','S',' ')}, /* Skolt Sami */
{"snk", HB_TAG('S','N','K',' ')}, /* Soninke */
{"so", HB_TAG('S','M','L',' ')}, /* Somali */
{"sq", HB_TAG('S','Q','I',' ')}, /* Albanian */
{"sr", HB_TAG('S','R','B',' ')}, /* Serbian */
{"srr", HB_TAG('S','R','R',' ')}, /* Serer */
{"ss", HB_TAG('S','W','Z',' ')}, /* Swazi */
{"st", HB_TAG('S','O','T',' ')}, /* [Southern] Sotho */
{"suq", HB_TAG('S','U','R',' ')}, /* Suri */
{"sv", HB_TAG('S','V','E',' ')}, /* Swedish */
{"sva", HB_TAG('S','V','A',' ')}, /* Svan */
{"sw", HB_TAG('S','W','K',' ')}, /* Swahili */
{"swb", HB_TAG('C','M','R',' ')}, /* Comorian */
{"syr", HB_TAG('S','Y','R',' ')}, /* Syriac */
{"ta", HB_TAG('T','A','M',' ')}, /* Tamil */
{"tab", HB_TAG('T','A','B',' ')}, /* Tabasaran */
{"tcy", HB_TAG('T','U','L',' ')}, /* Tulu */
{"te", HB_TAG('T','E','L',' ')}, /* Telugu */
{"tem", HB_TAG('T','M','N',' ')}, /* Temne */
{"tg", HB_TAG('T','A','J',' ')}, /* Tajik */
{"th", HB_TAG('T','H','A',' ')}, /* Thai */
{"ti", HB_TAG('T','G','Y',' ')}, /* Tigrinya */
{"tig", HB_TAG('T','G','R',' ')}, /* Tigre */
{"tk", HB_TAG('T','K','M',' ')}, /* Turkmen */
{"tn", HB_TAG('T','N','A',' ')}, /* Tswana */
{"to", HB_TAG('T','G','N',' ')}, /* Tonga (Tonga Islands) */
{"tr", HB_TAG('T','R','K',' ')}, /* Turkish */
{"tru", HB_TAG('T','U','A',' ')}, /* Turoyo Aramaic */
{"ts", HB_TAG('T','S','G',' ')}, /* Tsonga */
{"tt", HB_TAG('T','A','T',' ')}, /* Tatar */
{"tw", HB_TAG('T','W','I',' ')}, /* Twi */
{"ty", HB_TAG('T','H','T',' ')}, /* Tahitian */
{"tyv", HB_TAG('T','U','V',' ')}, /* Tuvin */
{"udm", HB_TAG('U','D','M',' ')}, /* Udmurt */
{"ug", HB_TAG('U','Y','G',' ')}, /* Uighur */
{"uk", HB_TAG('U','K','R',' ')}, /* Ukrainian */
{"umb", HB_TAG('M','B','N',' ')}, /* [South] Mbundu */
{"unr", HB_TAG('M','U','N',' ')}, /* Mundari */
{"ur", HB_TAG('U','R','D',' ')}, /* Urdu */
{"uz", HB_TAG('U','Z','B',' ')}, /* Uzbek */
{"ve", HB_TAG('V','E','N',' ')}, /* Venda */
{"vi", HB_TAG('V','I','T',' ')}, /* Vietnamese */
{"vmw", HB_TAG('M','A','K',' ')}, /* Makua */
{"wbm", HB_TAG('W','A',' ',' ')}, /* Wa */
{"wbr", HB_TAG('W','A','G',' ')}, /* Wagdi */
{"wo", HB_TAG('W','L','F',' ')}, /* Wolof */
{"xal", HB_TAG('K','L','M',' ')}, /* Kalmyk */
{"xh", HB_TAG('X','H','S',' ')}, /* Xhosa */
{"xom", HB_TAG('K','M','O',' ')}, /* Komo (Sudan) */
{"xsl", HB_TAG('S','S','L',' ')}, /* South Slavey */
{"yi", HB_TAG('J','I','I',' ')}, /* Yiddish */
{"yo", HB_TAG('Y','B','A',' ')}, /* Yoruba */
{"yso", HB_TAG('N','I','S',' ')}, /* Nisi (China) */
{"zne", HB_TAG('Z','N','D',' ')}, /* Zande */
{"zu", HB_TAG('Z','U','L',' ')} /* Zulu */
/* The corresponding languages IDs for the following IDs are unclear,
* overlap, or are architecturally weird. Needs more research. */
/*{"ahg/awn/xan?", HB_TAG('A','G','W',' ')},*/ /* Agaw */
/*{"gsw?/gsw-FR?", HB_TAG('A','L','S',' ')},*/ /* Alsatian */
/*{"krc", HB_TAG('B','A','L',' ')},*/ /* Balkar */
/*{"??", HB_TAG('B','C','R',' ')},*/ /* Bible Cree */
/*{"sgw?", HB_TAG('C','H','G',' ')},*/ /* Chaha Gurage */
/*{"acf/gcf?", HB_TAG('F','A','N',' ')},*/ /* French Antillean */
/*{"vls/nl-be", HB_TAG('F','L','E',' ')},*/ /* Flemish */
/*{"enf?/yrk?", HB_TAG('F','N','E',' ')},*/ /* Forest Nenets */
/*{"fuf?", HB_TAG('F','T','A',' ')},*/ /* Futa */
/*{"ar-Syrc?", HB_TAG('G','A','R',' ')},*/ /* Garshuni */
/*{"cfm/rnl?", HB_TAG('H','A','L',' ')},*/ /* Halam */
/*{"ga-Latg?/Latg?", HB_TAG('I','R','T',' ')},*/ /* Irish Traditional */
/*{"krc", HB_TAG('K','A','R',' ')},*/ /* Karachay */
/*{"alw?/ktb?", HB_TAG('K','E','B',' ')},*/ /* Kebena */
/*{"Geok", HB_TAG('K','G','E',' ')},*/ /* Khutsuri Georgian */
/*{"kca", HB_TAG('K','H','K',' ')},*/ /* Khanty-Kazim */
/*{"kca", HB_TAG('K','H','S',' ')},*/ /* Khanty-Shurishkar */
/*{"kca", HB_TAG('K','H','V',' ')},*/ /* Khanty-Vakhi */
/*{"guz?/kqs?/kss?", HB_TAG('K','I','S',' ')},*/ /* Kisii */
/*{"kfa/kfi?/kpb?/xua?/xuj?", HB_TAG('K','O','D',' ')},*/ /* Kodagu */
/*{"okm?/oko?", HB_TAG('K','O','H',' ')},*/ /* Korean Old Hangul */
/*{"kon?/ktu?/...", HB_TAG('K','O','N',' ')},*/ /* Kikongo */
/*{"kfx?", HB_TAG('K','U','L',' ')},*/ /* Kulvi */
/*{"??", HB_TAG('L','A','H',' ')},*/ /* Lahuli */
/*{"??", HB_TAG('L','C','R',' ')},*/ /* L-Cree */
/*{"??", HB_TAG('M','A','L',' ')},*/ /* Malayalam Traditional */
/*{"mnk?/mlq?/...", HB_TAG('M','L','N',' ')},*/ /* Malinke */
/*{"man?/myq?/mku?/msc?/...", HB_TAG('M','N','K',' ')},*/ /* Maninka */
/*{"??", HB_TAG('M','O','R',' ')},*/ /* Moroccan */
/*{"??", HB_TAG('N','C','R',' ')},*/ /* N-Cree */
/*{"??", HB_TAG('N','H','C',' ')},*/ /* Norway House Cree */
/*{"jpa?/sam?", HB_TAG('P','A','A',' ')},*/ /* Palestinian Aramaic */
/*{"polyton", HB_TAG('P','G','R',' ')},*/ /* Polytonic Greek */
/*{"??", HB_TAG('Q','I','N',' ')},*/ /* Asho Chin */
/*{"??", HB_TAG('R','C','R',' ')},*/ /* R-Cree */
/*{"chp?", HB_TAG('S','A','Y',' ')},*/ /* Sayisi */
/*{"xan?", HB_TAG('S','E','K',' ')},*/ /* Sekota */
/*{"stv/wle?/xst?", HB_TAG('S','I','G',' ')},*/ /* Silte Gurage */
/*{"ngo?", HB_TAG('S','X','T',' ')},*/ /* Sutu */
/*{"??", HB_TAG('T','C','R',' ')},*/ /* TH-Cree */
/*{"tnz?/tog?/toi?", HB_TAG('T','N','G',' ')},*/ /* Tonga */
/*{"enh?/yrk?", HB_TAG('T','N','E',' ')},*/ /* Tundra Nenets */
/*{"??", HB_TAG('T','O','D',' ')},*/ /* Todo */
/*{"??", HB_TAG('W','C','R',' ')},*/ /* West-Cree */
/*{"??", HB_TAG('Y','C','R',' ')},*/ /* Y-Cree */
/*{"??", HB_TAG('Y','I','C',' ')},*/ /* Yi Classic */
/*{"ii?/Yiii?", HB_TAG('Y','I','M',' ')},*/ /* Yi Modern */
/*{"??", HB_TAG('Z','H','P',' ')},*/ /* Chinese Phonetic */
};
static const LangTag ot_languages_zh[] = {
{"zh-cn", HB_TAG('Z','H','S',' ')}, /* Chinese (China) */
{"zh-hk", HB_TAG('Z','H','H',' ')}, /* Chinese (Hong Kong) */
{"zh-mo", HB_TAG('Z','H','T',' ')}, /* Chinese (Macao) */
{"zh-sg", HB_TAG('Z','H','S',' ')}, /* Chinese (Singapore) */
{"zh-tw", HB_TAG('Z','H','T',' ')} /* Chinese (Taiwan) */
};
static int
lang_compare_first_component (const char *a,
const char *b)
{
unsigned int da, db;
const char *p;
p = strchr (a, '-');
da = p ? (unsigned int) (p - a) : strlen (a);
p = strchr (b, '-');
db = p ? (unsigned int) (p - b) : strlen (b);
return strncmp (a, b, MAX (da, db));
}
static hb_bool_t
lang_matches (const char *lang_str, const char *spec)
{
unsigned int len = strlen (spec);
return strncmp (lang_str, spec, len) == 0 &&
(lang_str[len] == '\0' || lang_str[len] == '-');
}
hb_tag_t
hb_ot_tag_from_language (hb_language_t language)
{
const char *lang_str, *s;
const LangTag *lang_tag;
if (language == HB_LANGUAGE_INVALID)
return HB_OT_TAG_DEFAULT_LANGUAGE;
lang_str = hb_language_to_string (language);
s = strstr (lang_str, "x-hbot");
if (s) {
char tag[4];
int i;
s += 6;
for (i = 0; i < 4 && ISALPHA (s[i]); i++)
tag[i] = TOUPPER (s[i]);
if (i) {
for (; i < 4; i++)
tag[i] = ' ';
return HB_TAG_CHAR4 (tag);
}
}
/* Find a language matching in the first component */
lang_tag = (LangTag *) bsearch (lang_str, ot_languages,
ARRAY_LENGTH (ot_languages), sizeof (LangTag),
(hb_compare_func_t) lang_compare_first_component);
if (lang_tag)
return lang_tag->tag;
/* Otherwise, check the Chinese ones */
if (0 == lang_compare_first_component (lang_str, "zh"))
{
unsigned int i;
for (i = 0; i < ARRAY_LENGTH (ot_languages_zh); i++)
{
lang_tag = &ot_languages_zh[i];
if (lang_matches (lang_tag->language, lang_str))
return lang_tag->tag;
}
/* Otherwise just return 'ZHS ' */
return HB_TAG('Z','H','S',' ');
}
s = strchr (lang_str, '-');
if (!s)
s = lang_str + strlen (lang_str);
if (s - lang_str == 3) {
/* Assume it's ISO-639-3 and upper-case and use it. */
return hb_tag_from_string (lang_str, s - lang_str) & ~0x20202000;
}
return HB_OT_TAG_DEFAULT_LANGUAGE;
}
hb_language_t
hb_ot_tag_to_language (hb_tag_t tag)
{
unsigned int i;
if (tag == HB_OT_TAG_DEFAULT_LANGUAGE)
return NULL;
for (i = 0; i < ARRAY_LENGTH (ot_languages); i++)
if (ot_languages[i].tag == tag)
return hb_language_from_string (ot_languages[i].language, -1);
/* If tag starts with ZH, it's Chinese */
if ((tag & 0xFFFF0000) == 0x5A480000) {
switch (tag) {
case HB_TAG('Z','H','H',' '): return hb_language_from_string ("zh-hk", -1); /* Hong Kong */
default: {
/* Encode the tag... */
unsigned char buf[14] = "zh-x-hbot";
buf[9] = tag >> 24;
buf[10] = (tag >> 16) & 0xFF;
buf[11] = (tag >> 8) & 0xFF;
buf[12] = tag & 0xFF;
if (buf[12] == 0x20)
buf[12] = '\0';
buf[13] = '\0';
return hb_language_from_string ((char *) buf, -1);
}
}
}
/* Else return a custom language in the form of "x-hbotABCD" */
{
unsigned char buf[11] = "x-hbot";
buf[6] = tag >> 24;
buf[7] = (tag >> 16) & 0xFF;
buf[8] = (tag >> 8) & 0xFF;
buf[9] = tag & 0xFF;
if (buf[9] == 0x20)
buf[9] = '\0';
buf[10] = '\0';
return hb_language_from_string ((char *) buf, -1);
}
}