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Diffstat (limited to 'luaotfload-features.lua')
| -rw-r--r-- | luaotfload-features.lua | 1276 |
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 |