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-rw-r--r--luaotfload-features.lua1276
1 files changed, 0 insertions, 1276 deletions
diff --git a/luaotfload-features.lua b/luaotfload-features.lua
deleted file mode 100644
index 4237d71..0000000
--- a/luaotfload-features.lua
+++ /dev/null
@@ -1,1276 +0,0 @@
-if not modules then modules = { } end modules ["features"] = {
- version = "2.5",
- comment = "companion to luaotfload-main.lua",
- author = "Hans Hagen, Khaled Hosny, Elie Roux, Philipp Gesang",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
-local type, next = type, next
-local tonumber = tonumber
-local tostring = tostring
-
-local lpeg = require "lpeg"
-local lpegmatch = lpeg.match
-local P = lpeg.P
-local R = lpeg.R
-local C = lpeg.C
-
----[[ begin included font-ltx.lua ]]
---- this appears to be based in part on luatex-fonts-def.lua
-
-local fonts = fonts
-local definers = fonts.definers
-local handlers = fonts.handlers
-
-local as_script, normalize
-
-if handlers then
- normalize = handlers.otf.features.normalize
-else
- normalize = function () end
- as_script = true
-end
-
-
---HH A bit of tuning for definitions.
-
-if fonts.constructors then
- fonts.constructors.namemode = "specification" -- somehow latex needs this (changed name!) => will change into an overload
-end
-
---[[HH--
- tricky: we sort of bypass the parser and directly feed all into
- the sub parser
---HH]]--
-
-function fonts.definers.getspecification(str)
- return "", str, "", ":", str
-end
-
-local log = luaotfload.log
-local report = log.report
-
-local stringfind = string.find
-local stringlower = string.lower
-local stringgsub = string.gsub
-local stringsub = string.sub
-local stringformat = string.format
-local stringis_empty = string.is_empty
-local mathceil = math.ceil
-
-local defaults = {
- dflt = {
- "ccmp", "locl", "rlig", "liga", "clig",
- "kern", "mark", "mkmk", 'itlc',
- },
- arab = {
- "ccmp", "locl", "isol", "fina", "fin2",
- "fin3", "medi", "med2", "init", "rlig",
- "calt", "liga", "cswh", "mset", "curs",
- "kern", "mark", "mkmk",
- },
- deva = {
- "ccmp", "locl", "init", "nukt", "akhn",
- "rphf", "blwf", "half", "pstf", "vatu",
- "pres", "blws", "abvs", "psts", "haln",
- "calt", "blwm", "abvm", "dist", "kern",
- "mark", "mkmk",
- },
- khmr = {
- "ccmp", "locl", "pref", "blwf", "abvf",
- "pstf", "pres", "blws", "abvs", "psts",
- "clig", "calt", "blwm", "abvm", "dist",
- "kern", "mark", "mkmk",
- },
- thai = {
- "ccmp", "locl", "liga", "kern", "mark",
- "mkmk",
- },
- hang = {
- "ccmp", "ljmo", "vjmo", "tjmo",
- },
-}
-
-local global_defaults = { mode = "node" }
-
-defaults.beng = defaults.deva
-defaults.guru = defaults.deva
-defaults.gujr = defaults.deva
-defaults.orya = defaults.deva
-defaults.taml = defaults.deva
-defaults.telu = defaults.deva
-defaults.knda = defaults.deva
-defaults.mlym = defaults.deva
-defaults.sinh = defaults.deva
-
-defaults.syrc = defaults.arab
-defaults.mong = defaults.arab
-defaults.nko = defaults.arab
-
-defaults.tibt = defaults.khmr
-
-defaults.lao = defaults.thai
-
----[[ begin excerpt from font-ott.lua ]]
-
-local scripts = {
- ['arab'] = 'arabic',
- ['armn'] = 'armenian',
- ['bali'] = 'balinese',
- ['beng'] = 'bengali',
- ['bopo'] = 'bopomofo',
- ['brai'] = 'braille',
- ['bugi'] = 'buginese',
- ['buhd'] = 'buhid',
- ['byzm'] = 'byzantine music',
- ['cans'] = 'canadian syllabics',
- ['cher'] = 'cherokee',
- ['copt'] = 'coptic',
- ['cprt'] = 'cypriot syllabary',
- ['cyrl'] = 'cyrillic',
- ['deva'] = 'devanagari',
- ['dsrt'] = 'deseret',
- ['ethi'] = 'ethiopic',
- ['geor'] = 'georgian',
- ['glag'] = 'glagolitic',
- ['goth'] = 'gothic',
- ['grek'] = 'greek',
- ['gujr'] = 'gujarati',
- ['guru'] = 'gurmukhi',
- ['hang'] = 'hangul',
- ['hani'] = 'cjk ideographic',
- ['hano'] = 'hanunoo',
- ['hebr'] = 'hebrew',
- ['ital'] = 'old italic',
- ['jamo'] = 'hangul jamo',
- ['java'] = 'javanese',
- ['kana'] = 'hiragana and katakana',
- ['khar'] = 'kharosthi',
- ['khmr'] = 'khmer',
- ['knda'] = 'kannada',
- ['lao' ] = 'lao',
- ['latn'] = 'latin',
- ['limb'] = 'limbu',
- ['linb'] = 'linear b',
- ['math'] = 'mathematical alphanumeric symbols',
- ['mlym'] = 'malayalam',
- ['mong'] = 'mongolian',
- ['musc'] = 'musical symbols',
- ['mymr'] = 'myanmar',
- ['nko' ] = "n'ko",
- ['ogam'] = 'ogham',
- ['orya'] = 'oriya',
- ['osma'] = 'osmanya',
- ['phag'] = 'phags-pa',
- ['phnx'] = 'phoenician',
- ['runr'] = 'runic',
- ['shaw'] = 'shavian',
- ['sinh'] = 'sinhala',
- ['sylo'] = 'syloti nagri',
- ['syrc'] = 'syriac',
- ['tagb'] = 'tagbanwa',
- ['tale'] = 'tai le',
- ['talu'] = 'tai lu',
- ['taml'] = 'tamil',
- ['telu'] = 'telugu',
- ['tfng'] = 'tifinagh',
- ['tglg'] = 'tagalog',
- ['thaa'] = 'thaana',
- ['thai'] = 'thai',
- ['tibt'] = 'tibetan',
- ['ugar'] = 'ugaritic cuneiform',
- ['xpeo'] = 'old persian cuneiform',
- ['xsux'] = 'sumero-akkadian cuneiform',
- ['yi' ] = 'yi',
-}
-
-local languages = {
- ['aba'] = 'abaza',
- ['abk'] = 'abkhazian',
- ['ady'] = 'adyghe',
- ['afk'] = 'afrikaans',
- ['afr'] = 'afar',
- ['agw'] = 'agaw',
- ['als'] = 'alsatian',
- ['alt'] = 'altai',
- ['amh'] = 'amharic',
- ['ara'] = 'arabic',
- ['ari'] = 'aari',
- ['ark'] = 'arakanese',
- ['asm'] = 'assamese',
- ['ath'] = 'athapaskan',
- ['avr'] = 'avar',
- ['awa'] = 'awadhi',
- ['aym'] = 'aymara',
- ['aze'] = 'azeri',
- ['bad'] = 'badaga',
- ['bag'] = 'baghelkhandi',
- ['bal'] = 'balkar',
- ['bau'] = 'baule',
- ['bbr'] = 'berber',
- ['bch'] = 'bench',
- ['bcr'] = 'bible cree',
- ['bel'] = 'belarussian',
- ['bem'] = 'bemba',
- ['ben'] = 'bengali',
- ['bgr'] = 'bulgarian',
- ['bhi'] = 'bhili',
- ['bho'] = 'bhojpuri',
- ['bik'] = 'bikol',
- ['bil'] = 'bilen',
- ['bkf'] = 'blackfoot',
- ['bli'] = 'balochi',
- ['bln'] = 'balante',
- ['blt'] = 'balti',
- ['bmb'] = 'bambara',
- ['bml'] = 'bamileke',
- ['bos'] = 'bosnian',
- ['bre'] = 'breton',
- ['brh'] = 'brahui',
- ['bri'] = 'braj bhasha',
- ['brm'] = 'burmese',
- ['bsh'] = 'bashkir',
- ['bti'] = 'beti',
- ['cat'] = 'catalan',
- ['ceb'] = 'cebuano',
- ['che'] = 'chechen',
- ['chg'] = 'chaha gurage',
- ['chh'] = 'chattisgarhi',
- ['chi'] = 'chichewa',
- ['chk'] = 'chukchi',
- ['chp'] = 'chipewyan',
- ['chr'] = 'cherokee',
- ['chu'] = 'chuvash',
- ['cmr'] = 'comorian',
- ['cop'] = 'coptic',
- ['cos'] = 'corsican',
- ['cre'] = 'cree',
- ['crr'] = 'carrier',
- ['crt'] = 'crimean tatar',
- ['csl'] = 'church slavonic',
- ['csy'] = 'czech',
- ['dan'] = 'danish',
- ['dar'] = 'dargwa',
- ['dcr'] = 'woods cree',
- ['deu'] = 'german',
- ['dgr'] = 'dogri',
- ['div'] = 'divehi',
- ['djr'] = 'djerma',
- ['dng'] = 'dangme',
- ['dnk'] = 'dinka',
- ['dri'] = 'dari',
- ['dun'] = 'dungan',
- ['dzn'] = 'dzongkha',
- ['ebi'] = 'ebira',
- ['ecr'] = 'eastern cree',
- ['edo'] = 'edo',
- ['efi'] = 'efik',
- ['ell'] = 'greek',
- ['eng'] = 'english',
- ['erz'] = 'erzya',
- ['esp'] = 'spanish',
- ['eti'] = 'estonian',
- ['euq'] = 'basque',
- ['evk'] = 'evenki',
- ['evn'] = 'even',
- ['ewe'] = 'ewe',
- ['fan'] = 'french antillean',
- ['far'] = 'farsi',
- ['fin'] = 'finnish',
- ['fji'] = 'fijian',
- ['fle'] = 'flemish',
- ['fne'] = 'forest nenets',
- ['fon'] = 'fon',
- ['fos'] = 'faroese',
- ['fra'] = 'french',
- ['fri'] = 'frisian',
- ['frl'] = 'friulian',
- ['fta'] = 'futa',
- ['ful'] = 'fulani',
- ['gad'] = 'ga',
- ['gae'] = 'gaelic',
- ['gag'] = 'gagauz',
- ['gal'] = 'galician',
- ['gar'] = 'garshuni',
- ['gaw'] = 'garhwali',
- ['gez'] = "ge'ez",
- ['gil'] = 'gilyak',
- ['gmz'] = 'gumuz',
- ['gon'] = 'gondi',
- ['grn'] = 'greenlandic',
- ['gro'] = 'garo',
- ['gua'] = 'guarani',
- ['guj'] = 'gujarati',
- ['hai'] = 'haitian',
- ['hal'] = 'halam',
- ['har'] = 'harauti',
- ['hau'] = 'hausa',
- ['haw'] = 'hawaiin',
- ['hbn'] = 'hammer-banna',
- ['hil'] = 'hiligaynon',
- ['hin'] = 'hindi',
- ['hma'] = 'high mari',
- ['hnd'] = 'hindko',
- ['ho'] = 'ho',
- ['hri'] = 'harari',
- ['hrv'] = 'croatian',
- ['hun'] = 'hungarian',
- ['hye'] = 'armenian',
- ['ibo'] = 'igbo',
- ['ijo'] = 'ijo',
- ['ilo'] = 'ilokano',
- ['ind'] = 'indonesian',
- ['ing'] = 'ingush',
- ['inu'] = 'inuktitut',
- ['iri'] = 'irish',
- ['irt'] = 'irish traditional',
- ['isl'] = 'icelandic',
- ['ism'] = 'inari sami',
- ['ita'] = 'italian',
- ['iwr'] = 'hebrew',
- ['jan'] = 'japanese',
- ['jav'] = 'javanese',
- ['jii'] = 'yiddish',
- ['jud'] = 'judezmo',
- ['jul'] = 'jula',
- ['kab'] = 'kabardian',
- ['kac'] = 'kachchi',
- ['kal'] = 'kalenjin',
- ['kan'] = 'kannada',
- ['kar'] = 'karachay',
- ['kat'] = 'georgian',
- ['kaz'] = 'kazakh',
- ['keb'] = 'kebena',
- ['kge'] = 'khutsuri georgian',
- ['kha'] = 'khakass',
- ['khk'] = 'khanty-kazim',
- ['khm'] = 'khmer',
- ['khs'] = 'khanty-shurishkar',
- ['khv'] = 'khanty-vakhi',
- ['khw'] = 'khowar',
- ['kik'] = 'kikuyu',
- ['kir'] = 'kirghiz',
- ['kis'] = 'kisii',
- ['kkn'] = 'kokni',
- ['klm'] = 'kalmyk',
- ['kmb'] = 'kamba',
- ['kmn'] = 'kumaoni',
- ['kmo'] = 'komo',
- ['kms'] = 'komso',
- ['knr'] = 'kanuri',
- ['kod'] = 'kodagu',
- ['koh'] = 'korean old hangul',
- ['kok'] = 'konkani',
- ['kon'] = 'kikongo',
- ['kop'] = 'komi-permyak',
- ['kor'] = 'korean',
- ['koz'] = 'komi-zyrian',
- ['kpl'] = 'kpelle',
- ['kri'] = 'krio',
- ['krk'] = 'karakalpak',
- ['krl'] = 'karelian',
- ['krm'] = 'karaim',
- ['krn'] = 'karen',
- ['krt'] = 'koorete',
- ['ksh'] = 'kashmiri',
- ['ksi'] = 'khasi',
- ['ksm'] = 'kildin sami',
- ['kui'] = 'kui',
- ['kul'] = 'kulvi',
- ['kum'] = 'kumyk',
- ['kur'] = 'kurdish',
- ['kuu'] = 'kurukh',
- ['kuy'] = 'kuy',
- ['kyk'] = 'koryak',
- ['lad'] = 'ladin',
- ['lah'] = 'lahuli',
- ['lak'] = 'lak',
- ['lam'] = 'lambani',
- ['lao'] = 'lao',
- ['lat'] = 'latin',
- ['laz'] = 'laz',
- ['lcr'] = 'l-cree',
- ['ldk'] = 'ladakhi',
- ['lez'] = 'lezgi',
- ['lin'] = 'lingala',
- ['lma'] = 'low mari',
- ['lmb'] = 'limbu',
- ['lmw'] = 'lomwe',
- ['lsb'] = 'lower sorbian',
- ['lsm'] = 'lule sami',
- ['lth'] = 'lithuanian',
- ['ltz'] = 'luxembourgish',
- ['lub'] = 'luba',
- ['lug'] = 'luganda',
- ['luh'] = 'luhya',
- ['luo'] = 'luo',
- ['lvi'] = 'latvian',
- ['maj'] = 'majang',
- ['mak'] = 'makua',
- ['mal'] = 'malayalam traditional',
- ['man'] = 'mansi',
- ['map'] = 'mapudungun',
- ['mar'] = 'marathi',
- ['maw'] = 'marwari',
- ['mbn'] = 'mbundu',
- ['mch'] = 'manchu',
- ['mcr'] = 'moose cree',
- ['mde'] = 'mende',
- ['men'] = "me'en",
- ['miz'] = 'mizo',
- ['mkd'] = 'macedonian',
- ['mle'] = 'male',
- ['mlg'] = 'malagasy',
- ['mln'] = 'malinke',
- ['mlr'] = 'malayalam reformed',
- ['mly'] = 'malay',
- ['mnd'] = 'mandinka',
- ['mng'] = 'mongolian',
- ['mni'] = 'manipuri',
- ['mnk'] = 'maninka',
- ['mnx'] = 'manx gaelic',
- ['moh'] = 'mohawk',
- ['mok'] = 'moksha',
- ['mol'] = 'moldavian',
- ['mon'] = 'mon',
- ['mor'] = 'moroccan',
- ['mri'] = 'maori',
- ['mth'] = 'maithili',
- ['mts'] = 'maltese',
- ['mun'] = 'mundari',
- ['nag'] = 'naga-assamese',
- ['nan'] = 'nanai',
- ['nas'] = 'naskapi',
- ['ncr'] = 'n-cree',
- ['ndb'] = 'ndebele',
- ['ndg'] = 'ndonga',
- ['nep'] = 'nepali',
- ['new'] = 'newari',
- ['ngr'] = 'nagari',
- ['nhc'] = 'norway house cree',
- ['nis'] = 'nisi',
- ['niu'] = 'niuean',
- ['nkl'] = 'nkole',
- ['nko'] = "n'ko",
- ['nld'] = 'dutch',
- ['nog'] = 'nogai',
- ['nor'] = 'norwegian',
- ['nsm'] = 'northern sami',
- ['nta'] = 'northern tai',
- ['nto'] = 'esperanto',
- ['nyn'] = 'nynorsk',
- ['oci'] = 'occitan',
- ['ocr'] = 'oji-cree',
- ['ojb'] = 'ojibway',
- ['ori'] = 'oriya',
- ['oro'] = 'oromo',
- ['oss'] = 'ossetian',
- ['paa'] = 'palestinian aramaic',
- ['pal'] = 'pali',
- ['pan'] = 'punjabi',
- ['pap'] = 'palpa',
- ['pas'] = 'pashto',
- ['pgr'] = 'polytonic greek',
- ['pil'] = 'pilipino',
- ['plg'] = 'palaung',
- ['plk'] = 'polish',
- ['pro'] = 'provencal',
- ['ptg'] = 'portuguese',
- ['qin'] = 'chin',
- ['raj'] = 'rajasthani',
- ['rbu'] = 'russian buriat',
- ['rcr'] = 'r-cree',
- ['ria'] = 'riang',
- ['rms'] = 'rhaeto-romanic',
- ['rom'] = 'romanian',
- ['roy'] = 'romany',
- ['rsy'] = 'rusyn',
- ['rua'] = 'ruanda',
- ['rus'] = 'russian',
- ['sad'] = 'sadri',
- ['san'] = 'sanskrit',
- ['sat'] = 'santali',
- ['say'] = 'sayisi',
- ['sek'] = 'sekota',
- ['sel'] = 'selkup',
- ['sgo'] = 'sango',
- ['shn'] = 'shan',
- ['sib'] = 'sibe',
- ['sid'] = 'sidamo',
- ['sig'] = 'silte gurage',
- ['sks'] = 'skolt sami',
- ['sky'] = 'slovak',
- ['sla'] = 'slavey',
- ['slv'] = 'slovenian',
- ['sml'] = 'somali',
- ['smo'] = 'samoan',
- ['sna'] = 'sena',
- ['snd'] = 'sindhi',
- ['snh'] = 'sinhalese',
- ['snk'] = 'soninke',
- ['sog'] = 'sodo gurage',
- ['sot'] = 'sotho',
- ['sqi'] = 'albanian',
- ['srb'] = 'serbian',
- ['srk'] = 'saraiki',
- ['srr'] = 'serer',
- ['ssl'] = 'south slavey',
- ['ssm'] = 'southern sami',
- ['sur'] = 'suri',
- ['sva'] = 'svan',
- ['sve'] = 'swedish',
- ['swa'] = 'swadaya aramaic',
- ['swk'] = 'swahili',
- ['swz'] = 'swazi',
- ['sxt'] = 'sutu',
- ['syr'] = 'syriac',
- ['tab'] = 'tabasaran',
- ['taj'] = 'tajiki',
- ['tam'] = 'tamil',
- ['tat'] = 'tatar',
- ['tcr'] = 'th-cree',
- ['tel'] = 'telugu',
- ['tgn'] = 'tongan',
- ['tgr'] = 'tigre',
- ['tgy'] = 'tigrinya',
- ['tha'] = 'thai',
- ['tht'] = 'tahitian',
- ['tib'] = 'tibetan',
- ['tkm'] = 'turkmen',
- ['tmn'] = 'temne',
- ['tna'] = 'tswana',
- ['tne'] = 'tundra nenets',
- ['tng'] = 'tonga',
- ['tod'] = 'todo',
- ['trk'] = 'turkish',
- ['tsg'] = 'tsonga',
- ['tua'] = 'turoyo aramaic',
- ['tul'] = 'tulu',
- ['tuv'] = 'tuvin',
- ['twi'] = 'twi',
- ['udm'] = 'udmurt',
- ['ukr'] = 'ukrainian',
- ['urd'] = 'urdu',
- ['usb'] = 'upper sorbian',
- ['uyg'] = 'uyghur',
- ['uzb'] = 'uzbek',
- ['ven'] = 'venda',
- ['vit'] = 'vietnamese',
- ['wa' ] = 'wa',
- ['wag'] = 'wagdi',
- ['wcr'] = 'west-cree',
- ['wel'] = 'welsh',
- ['wlf'] = 'wolof',
- ['xbd'] = 'tai lue',
- ['xhs'] = 'xhosa',
- ['yak'] = 'yakut',
- ['yba'] = 'yoruba',
- ['ycr'] = 'y-cree',
- ['yic'] = 'yi classic',
- ['yim'] = 'yi modern',
- ['zhh'] = 'chinese hong kong',
- ['zhp'] = 'chinese phonetic',
- ['zhs'] = 'chinese simplified',
- ['zht'] = 'chinese traditional',
- ['znd'] = 'zande',
- ['zul'] = 'zulu'
-}
-
-local features = {
- ['aalt'] = 'access all alternates',
- ['abvf'] = 'above-base forms',
- ['abvm'] = 'above-base mark positioning',
- ['abvs'] = 'above-base substitutions',
- ['afrc'] = 'alternative fractions',
- ['akhn'] = 'akhands',
- ['blwf'] = 'below-base forms',
- ['blwm'] = 'below-base mark positioning',
- ['blws'] = 'below-base substitutions',
- ['c2pc'] = 'petite capitals from capitals',
- ['c2sc'] = 'small capitals from capitals',
- ['calt'] = 'contextual alternates',
- ['case'] = 'case-sensitive forms',
- ['ccmp'] = 'glyph composition/decomposition',
- ['cjct'] = 'conjunct forms',
- ['clig'] = 'contextual ligatures',
- ['cpsp'] = 'capital spacing',
- ['cswh'] = 'contextual swash',
- ['curs'] = 'cursive positioning',
- ['dflt'] = 'default processing',
- ['dist'] = 'distances',
- ['dlig'] = 'discretionary ligatures',
- ['dnom'] = 'denominators',
- ['dtls'] = 'dotless forms', -- math
- ['expt'] = 'expert forms',
- ['falt'] = 'final glyph alternates',
- ['fin2'] = 'terminal forms #2',
- ['fin3'] = 'terminal forms #3',
- ['fina'] = 'terminal forms',
- ['flac'] = 'flattened accents over capitals', -- math
- ['frac'] = 'fractions',
- ['fwid'] = 'full width',
- ['half'] = 'half forms',
- ['haln'] = 'halant forms',
- ['halt'] = 'alternate half width',
- ['hist'] = 'historical forms',
- ['hkna'] = 'horizontal kana alternates',
- ['hlig'] = 'historical ligatures',
- ['hngl'] = 'hangul',
- ['hojo'] = 'hojo kanji forms',
- ['hwid'] = 'half width',
- ['init'] = 'initial forms',
- ['isol'] = 'isolated forms',
- ['ital'] = 'italics',
- ['jalt'] = 'justification alternatives',
- ['jp04'] = 'jis2004 forms',
- ['jp78'] = 'jis78 forms',
- ['jp83'] = 'jis83 forms',
- ['jp90'] = 'jis90 forms',
- ['kern'] = 'kerning',
- ['lfbd'] = 'left bounds',
- ['liga'] = 'standard ligatures',
- ['ljmo'] = 'leading jamo forms',
- ['lnum'] = 'lining figures',
- ['locl'] = 'localized forms',
- ['mark'] = 'mark positioning',
- ['med2'] = 'medial forms #2',
- ['medi'] = 'medial forms',
- ['mgrk'] = 'mathematical greek',
- ['mkmk'] = 'mark to mark positioning',
- ['mset'] = 'mark positioning via substitution',
- ['nalt'] = 'alternate annotation forms',
- ['nlck'] = 'nlc kanji forms',
- ['nukt'] = 'nukta forms',
- ['numr'] = 'numerators',
- ['onum'] = 'old style figures',
- ['opbd'] = 'optical bounds',
- ['ordn'] = 'ordinals',
- ['ornm'] = 'ornaments',
- ['palt'] = 'proportional alternate width',
- ['pcap'] = 'petite capitals',
- ['pnum'] = 'proportional figures',
- ['pref'] = 'pre-base forms',
- ['pres'] = 'pre-base substitutions',
- ['pstf'] = 'post-base forms',
- ['psts'] = 'post-base substitutions',
- ['pwid'] = 'proportional widths',
- ['qwid'] = 'quarter widths',
- ['rand'] = 'randomize',
- ['rkrf'] = 'rakar forms',
- ['rlig'] = 'required ligatures',
- ['rphf'] = 'reph form',
- ['rtbd'] = 'right bounds',
- ['rtla'] = 'right-to-left alternates',
- ['rtlm'] = 'right to left math', -- math
- ['ruby'] = 'ruby notation forms',
- ['salt'] = 'stylistic alternates',
- ['sinf'] = 'scientific inferiors',
- ['size'] = 'optical size',
- ['smcp'] = 'small capitals',
- ['smpl'] = 'simplified forms',
- -- ['ss01'] = 'stylistic set 1',
- -- ['ss02'] = 'stylistic set 2',
- -- ['ss03'] = 'stylistic set 3',
- -- ['ss04'] = 'stylistic set 4',
- -- ['ss05'] = 'stylistic set 5',
- -- ['ss06'] = 'stylistic set 6',
- -- ['ss07'] = 'stylistic set 7',
- -- ['ss08'] = 'stylistic set 8',
- -- ['ss09'] = 'stylistic set 9',
- -- ['ss10'] = 'stylistic set 10',
- -- ['ss11'] = 'stylistic set 11',
- -- ['ss12'] = 'stylistic set 12',
- -- ['ss13'] = 'stylistic set 13',
- -- ['ss14'] = 'stylistic set 14',
- -- ['ss15'] = 'stylistic set 15',
- -- ['ss16'] = 'stylistic set 16',
- -- ['ss17'] = 'stylistic set 17',
- -- ['ss18'] = 'stylistic set 18',
- -- ['ss19'] = 'stylistic set 19',
- -- ['ss20'] = 'stylistic set 20',
- ['ssty'] = 'script style', -- math
- ['subs'] = 'subscript',
- ['sups'] = 'superscript',
- ['swsh'] = 'swash',
- ['titl'] = 'titling',
- ['tjmo'] = 'trailing jamo forms',
- ['tnam'] = 'traditional name forms',
- ['tnum'] = 'tabular figures',
- ['trad'] = 'traditional forms',
- ['twid'] = 'third widths',
- ['unic'] = 'unicase',
- ['valt'] = 'alternate vertical metrics',
- ['vatu'] = 'vattu variants',
- ['vert'] = 'vertical writing',
- ['vhal'] = 'alternate vertical half metrics',
- ['vjmo'] = 'vowel jamo forms',
- ['vkna'] = 'vertical kana alternates',
- ['vkrn'] = 'vertical kerning',
- ['vpal'] = 'proportional alternate vertical metrics',
- ['vrt2'] = 'vertical rotation',
- ['zero'] = 'slashed zero',
-
- ['trep'] = 'traditional tex replacements',
- ['tlig'] = 'traditional tex ligatures',
-
- ['ss..'] = 'stylistic set ..',
- ['cv..'] = 'character variant ..',
- ['js..'] = 'justification ..',
-
- ["dv.."] = "devanagari ..",
-}
-
-local baselines = {
- ['hang'] = 'hanging baseline',
- ['icfb'] = 'ideographic character face bottom edge baseline',
- ['icft'] = 'ideographic character face tope edige baseline',
- ['ideo'] = 'ideographic em-box bottom edge baseline',
- ['idtp'] = 'ideographic em-box top edge baseline',
- ['math'] = 'mathmatical centered baseline',
- ['romn'] = 'roman baseline'
-}
-
-local swapped = function (h)
- local r = { }
- for k, v in next, h do
- r[stringgsub(v,"[^a-z0-9]","")] = k -- is already lower
- end
- return r
-end
-
-local verbosescripts = swapped(scripts )
-local verboselanguages = swapped(languages)
-local verbosefeatures = swapped(features )
-local verbosebaselines = swapped(baselines)
-
----[[ end excerpt from font-ott.lua ]]
-
---[[doc--
-
- As discussed, we will issue a warning because of incomplete support
- when one of the scripts below is requested.
-
- Reference: https://github.com/lualatex/luaotfload/issues/31
-
---doc]]--
-
-local support_incomplete = table.tohash({
- "deva", "beng", "guru", "gujr",
- "orya", "taml", "telu", "knda",
- "mlym", "sinh",
-}, true)
-
---[[doc--
-
- Which features are active by default depends on the script
- requested.
-
---doc]]--
-
---- (string, string) dict -> (string, string) dict
-local set_default_features = function (speclist)
- speclist = speclist or { }
- speclist[""] = nil --- invalid options stub
-
- --- handle language tag
- local language = speclist.language
- if language then --- already lowercase at this point
- language = stringgsub(language, "[^a-z0-9]", "")
- language = rawget(verboselanguages, language) -- srsly, rawget?
- or (languages[language] and language)
- or "dflt"
- else
- language = "dflt"
- end
- speclist.language = language
-
- --- handle script tag
- local script = speclist.script
- if script then
- script = stringgsub(script, "[^a-z0-9]","")
- script = rawget(verbosescripts, script)
- or (scripts[script] and script)
- or "dflt"
- if support_incomplete[script] then
- report("log", 0, "load",
- "support for the requested script: "
- .. "%q may be incomplete", script)
- end
- else
- script = "dflt"
- end
- speclist.script = script
-
- report("log", 0, "load",
- "auto-selecting default features for script: %s",
- script)
-
- local requested = defaults[script]
- if not requested then
- report("log", 0, "load",
- "no defaults for script %q, falling back to \"dflt\"",
- script)
- requested = defaults.dflt
- end
-
- for i=1, #requested do
- local feat = requested[i]
- if speclist[feat] ~= false then speclist[feat] = true end
- end
-
- for feat, state in next, global_defaults do
- --- This is primarily intended for setting node
- --- mode unless “base” is requested, as stated
- --- in the manual.
- if not speclist[feat] then speclist[feat] = state end
- end
- return speclist
-end
-
-local import_values = {
- --- That’s what the 1.x parser did, not quite as graciously,
- --- with an array of branch expressions.
- -- "style", "optsize",--> from slashed notation; handled otherwise
- { "lookup", false },
- { "sub", false },
- { "mode", true },
-}
-
-local lookup_types = { "anon", "file", "kpse", "my", "name", "path" }
-
-local select_lookup = function (request)
- for i=1, #lookup_types do
- local lookup = lookup_types[i]
- local value = request[lookup]
- if value then
- return lookup, value
- end
- end
-end
-
-local supported = {
- b = "b",
- i = "i",
- bi = "bi",
- aat = false,
- icu = false,
- gr = false,
-}
-
---- (string | (string * string) | bool) list -> (string * number)
-local handle_slashed = function (modifiers)
- local style, optsize
- for i=1, #modifiers do
- local mod = modifiers[i]
- if type(mod) == "table" and mod[1] == "optsize" then --> optical size
- optsize = tonumber(mod[2])
- elseif mod == false then
- --- ignore
- report("log", 0,
- "load", "unsupported font option: %s", v)
- elseif supported[mod] then
- style = supported[mod]
- elseif not stringis_empty(mod) then
- style = stringgsub(mod, "[^%a%d]", "")
- end
- end
- return style, optsize
-end
-
-local extract_subfont
-do
- local eof = P(-1)
- local digit = R"09"
- --- Theoretically a valid subfont address can be up to ten
- --- digits long.
- local sub_expr = P"(" * C(digit^1) * P")" * eof
- local full_path = C(P(1 - sub_expr)^1)
- extract_subfont = full_path * sub_expr
-end
-
---- spec -> spec
-local handle_request = function (specification)
- local request = lpegmatch(luaotfload.parsers.font_request,
- specification.specification)
- if not request then
- --- happens when called with an absolute path
- --- in an anonymous lookup;
- --- we try to behave as friendly as possible
- --- just go with it ...
- report("log", 1, "load", "invalid request %q of type anon",
- specification.specification)
- report("log", 1, "load",
- "use square bracket syntax or consult the documentation.")
- --- The result of \fontname must be re-feedable into \font
- --- which is expected by the Latex font mechanism. Now this
- --- is complicated with TTC fonts that need to pass the
- --- number of the requested subfont along with the file name.
- --- Thus we test whether the request is a bare path only or
- --- ends in a subfont expression (decimal digits inside
- --- parentheses).
- --- https://github.com/lualatex/luaotfload/issues/57
- local fullpath, sub = lpegmatch(extract_subfont,
- specification.specification)
- if fullpath and sub then
- specification.sub = tonumber(sub)
- specification.name = fullpath
- else
- specification.name = specification.specification
- end
- specification.lookup = "path"
- return specification
- end
- local lookup, name = select_lookup(request)
- request.features = set_default_features(request.features)
-
- if name then
- specification.name = name
- specification.lookup = lookup or specification.lookup
- end
-
- if request.modifiers then
- local style, optsize = handle_slashed(request.modifiers)
- specification.style, specification.optsize = style, optsize
- end
-
- for n=1, #import_values do
- local feat = import_values[n][1]
- local keep = import_values[n][2]
- local newvalue = request.features[feat]
- if newvalue then
- specification[feat] = request.features[feat]
- if not keep then
- request.features[feat] = nil
- end
- end
- end
-
- --- The next line sets the “rand” feature to “random”; I haven’t
- --- investigated it any further (luatex-fonts-ext), so it will
- --- just stay here.
- specification.features.normal = normalize (request.features)
- return specification
-end
-
-if as_script == true then --- skip the remainder of the file
- fonts.names.handle_request = handle_request
- report ("log", 5, "load",
- "Exiting early from luaotfload-features.lua.")
- return
-else
- local registersplit = definers.registersplit
- registersplit (":", handle_request, "cryptic")
- registersplit ("", handle_request, "more cryptic") -- catches \font\text=[names]
-end
-
----[[ end included font-ltx.lua ]]
-
---[[doc--
-This uses the code from luatex-fonts-merged (<- font-otc.lua) instead
-of the removed luaotfload-font-otc.lua.
-
-TODO find out how far we get setting features without these lines,
-relying on luatex-fonts only (it *does* handle features somehow, after
-all).
---doc]]--
-
--- we assume that the other otf stuff is loaded already
-
----[[ begin snippet from font-otc.lua ]]
-local trace_loading = false trackers.register("otf.loading", function(v) trace_loading = v end)
-local report_otf = logs.reporter("fonts","otf loading")
-
-local otf = fonts.handlers.otf
-local registerotffeature = otf.features.register
-local setmetatableindex = table.setmetatableindex
-
---[[HH--
-
- In the userdata interface we can not longer tweak the loaded font as
- conveniently as before. For instance, instead of pushing extra data in
- in the table using the original structure, we now have to operate on
- the mkiv representation. And as the fontloader interface is modelled
- after fontforge we cannot change that one too much either.
-
---HH]]--
-
-local types = {
- substitution = "gsub_single",
- ligature = "gsub_ligature",
- alternate = "gsub_alternate",
-}
-
-setmetatableindex(types, function(t,k) t[k] = k return k end) -- "key"
-
-local everywhere = { ["*"] = { ["*"] = true } } -- or: { ["*"] = { "*" } }
-local noflags = { }
-
-local function addfeature(data,feature,specifications)
- local descriptions = data.descriptions
- local resources = data.resources
- local lookups = resources.lookups
- local gsubfeatures = resources.features.gsub
- if gsubfeatures and gsubfeatures[feature] then
- -- already present
- else
- local sequences = resources.sequences
- local fontfeatures = resources.features
- local unicodes = resources.unicodes
- local lookuptypes = resources.lookuptypes
- local splitter = lpeg.splitter(" ",unicodes)
- local done = 0
- local skip = 0
- if not specifications[1] then
- -- so we accept a one entry specification
- specifications = { specifications }
- end
- -- subtables are tables themselves but we also accept flattened singular subtables
- for s=1,#specifications do
- local specification = specifications[s]
- local valid = specification.valid
- if not valid or valid(data,specification,feature) then
- local initialize = specification.initialize
- if initialize then
- -- when false is returned we initialize only once
- specification.initialize = initialize(specification) and initialize or nil
- end
- local askedfeatures = specification.features or everywhere
- local subtables = specification.subtables or { specification.data } or { }
- local featuretype = types[specification.type or "substitution"]
- local featureflags = specification.flags or noflags
- local added = false
- local featurename = stringformat("ctx_%s_%s",feature,s)
- local st = { }
- for t=1,#subtables do
- local list = subtables[t]
- local full = stringformat("%s_%s",featurename,t)
- st[t] = full
- if featuretype == "gsub_ligature" then
- lookuptypes[full] = "ligature"
- for code, ligature in next, list do
- local unicode = tonumber(code) or unicodes[code]
- local description = descriptions[unicode]
- if description then
- local slookups = description.slookups
- if type(ligature) == "string" then
- ligature = { lpegmatch(splitter,ligature) }
- end
- local present = true
- for i=1,#ligature do
- if not descriptions[ligature[i]] then
- present = false
- break
- end
- end
- if present then
- if slookups then
- slookups[full] = ligature
- else
- description.slookups = { [full] = ligature }
- end
- done, added = done + 1, true
- else
- skip = skip + 1
- end
- end
- end
- elseif featuretype == "gsub_single" then
- lookuptypes[full] = "substitution"
- for code, replacement in next, list do
- local unicode = tonumber(code) or unicodes[code]
- local description = descriptions[unicode]
- if description then
- local slookups = description.slookups
- replacement = tonumber(replacement) or unicodes[replacement]
- if descriptions[replacement] then
- if slookups then
- slookups[full] = replacement
- else
- description.slookups = { [full] = replacement }
- end
- done, added = done + 1, true
- end
- end
- end
- end
- end
- if added then
- -- script = { lang1, lang2, lang3 } or script = { lang1 = true, ... }
- for k, v in next, askedfeatures do
- if v[1] then
- askedfeatures[k] = table.tohash(v)
- end
- end
- sequences[#sequences+1] = {
- chain = 0,
- features = { [feature] = askedfeatures },
- flags = featureflags,
- name = featurename,
- subtables = st,
- type = featuretype,
- }
- -- register in metadata (merge as there can be a few)
- if not gsubfeatures then
- gsubfeatures = { }
- fontfeatures.gsub = gsubfeatures
- end
- local k = gsubfeatures[feature]
- if not k then
- k = { }
- gsubfeatures[feature] = k
- end
- for script, languages in next, askedfeatures do
- local kk = k[script]
- if not kk then
- kk = { }
- k[script] = kk
- end
- for language, value in next, languages do
- kk[language] = value
- end
- end
- end
- end
- end
- if trace_loading then
- report_otf("registering feature %a, affected glyphs %a, skipped glyphs %a",feature,done,skip)
- end
- end
-end
-
-otf.enhancers.addfeature = addfeature
-
-local extrafeatures = { }
-
-function otf.addfeature(name,specification)
- extrafeatures[name] = specification
-end
-
-local function enhance(data,filename,raw)
- for feature, specification in next, extrafeatures do
- addfeature(data,feature,specification)
- end
-end
-
-otf.enhancers.register("check extra features",enhance)
-
----[[ end snippet from font-otc.lua ]]
-
-local tlig = {
- {
- type = "substitution",
- features = everywhere,
- data = {
- [0x0022] = 0x201D, -- quotedblright
- [0x0027] = 0x2019, -- quoteleft
- [0x0060] = 0x2018, -- quoteright
- },
- flags = { },
- },
- {
- type = "ligature",
- features = everywhere,
- data = {
- [0x2013] = {0x002D, 0x002D}, -- endash
- [0x2014] = {0x002D, 0x002D, 0x002D}, -- emdash
- [0x201C] = {0x2018, 0x2018}, -- quotedblleft
- [0x201D] = {0x2019, 0x2019}, -- quotedblright
- [0x00A1] = {0x0021, 0x2018}, -- exclamdown
- [0x00BF] = {0x003F, 0x2018}, -- questiondown
- --- next three originate in T1 encoding; Xetex applies
- --- them too
- [0x201E] = {0x002C, 0x002C}, -- quotedblbase
- [0x00AB] = {0x003C, 0x003C}, -- LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
- [0x00BB] = {0x003E, 0x003E}, -- RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
- },
- flags = { },
- },
- {
- type = "ligature",
- features = everywhere,
- data = {
- [0x201C] = {0x0060, 0x0060}, -- quotedblleft
- [0x201D] = {0x0027, 0x0027}, -- quotedblright
- [0x00A1] = {0x0021, 0x0060}, -- exclamdown
- [0x00BF] = {0x003F, 0x0060}, -- questiondown
- },
- flags = { },
- },
-}
-
-otf.addfeature ("tlig", tlig)
-otf.addfeature ("trep", { })
-
-local anum_arabic = { --- these are the same as in font-otc
- [0x0030] = 0x0660,
- [0x0031] = 0x0661,
- [0x0032] = 0x0662,
- [0x0033] = 0x0663,
- [0x0034] = 0x0664,
- [0x0035] = 0x0665,
- [0x0036] = 0x0666,
- [0x0037] = 0x0667,
- [0x0038] = 0x0668,
- [0x0039] = 0x0669,
-}
-
-local anum_persian = {--- these are the same as in font-otc
- [0x0030] = 0x06F0,
- [0x0031] = 0x06F1,
- [0x0032] = 0x06F2,
- [0x0033] = 0x06F3,
- [0x0034] = 0x06F4,
- [0x0035] = 0x06F5,
- [0x0036] = 0x06F6,
- [0x0037] = 0x06F7,
- [0x0038] = 0x06F8,
- [0x0039] = 0x06F9,
-}
-
-local function valid(data)
- local features = data.resources.features
- if features then
- for k, v in next, features do
- for k, v in next, v do
- if v.arab then
- return true
- end
- end
- end
- end
-end
-
-local anum_specification = {
- {
- type = "substitution",
- features = { arab = { far = true, urd = true, snd = true } },
- data = anum_persian,
- flags = { },
- valid = valid,
- },
- {
- type = "substitution",
- features = { arab = { ["*"] = true } },
- data = anum_arabic,
- flags = { },
- valid = valid,
- },
-}
-
---[[doc--
-
- Below the specifications as given in the removed font-otc.lua.
- The rest was identical to what this file had from the beginning.
- Both make the “anum.tex” test pass anyways.
-
---doc]]--
-
-otf.addfeature("anum",anum_specification)
-
-registerotffeature {
- name = 'anum',
- description = 'arabic digits',
-}
-
--- vim:tw=71:sw=4:ts=4:expandtab