diff options
Diffstat (limited to 'luaotfload-font-ltx.lua')
| -rw-r--r-- | luaotfload-font-ltx.lua | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/luaotfload-font-ltx.lua b/luaotfload-font-ltx.lua deleted file mode 100644 index afc8621..0000000 --- a/luaotfload-font-ltx.lua +++ /dev/null @@ -1,205 +0,0 @@ -if not modules then modules = { } end modules ['font-ltx'] = { - version = 1.001, - comment = "companion to luatex-*.tex", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} ---- where have all the comments gone? - -local fonts = fonts - --- A bit of tuning for definitions. - -fonts.constructors.namemode = "specification" -- somehow latex needs this (changed name!) => will change into an overload - --- tricky: we sort of bypass the parser and directly feed all into --- the sub parser - -function fonts.definers.getspecification(str) - return "", str, "", ":", str -end - --- the generic name parser (different from context!) - -local feature_list = { } - -local report = logs.names_report - ---- ugh TODO use lpeg instead -local function isstyle(s) - local style = string.lower(s):split("/") - for _,v in next, style do - if v == "b" then - feature_list.style = "bold" - elseif v == "i" then - feature_list.style = "italic" - elseif v == "bi" or v == "ib" then - feature_list.style = "bolditalic" - elseif v:find("^s=") then - feature_list.optsize = v:split("=")[2] - elseif v == "aat" or v == "icu" or v == "gr" then - report("log", 0, - "load font", "unsupported font option: %s", v) - elseif not v:is_empty() then - feature_list.style = v:gsub("[^%a%d]", "") - end - end -end - -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", - }, -} - -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 - -local function set_default_features(script) - local features - local script = script or "dflt" - report("log", 0, "load font", - "auto-selecting default features for script: %s", - script) - if defaults[script] then - features = defaults[script] - else - features = defaults["dflt"] - end - for _,v in next, features do - if feature_list[v] ~= false then - feature_list[v] = true - end - end -end - -local function issome () feature_list.lookup = 'name' end -local function isfile () feature_list.lookup = 'file' end -local function isname () feature_list.lookup = 'name' end -local function thename(s) feature_list.name = s end -local function issub (v) feature_list.sub = v end -local function istrue (s) feature_list[s] = true end -local function isfalse(s) feature_list[s] = false end -local function iskey (k,v) feature_list[k] = v end - -local P, S, R, C = lpeg.P, lpeg.S, lpeg.R, lpeg.C - -local spaces = P(" ")^0 ---local namespec = (1-S("/:("))^0 -- was: (1-S("/: ("))^0 ---[[phg-- this prevents matching of absolute paths as file names --]]-- -local namespec = (1-S("/:("))^1 -local filespec = (R("az", "AZ") * P(":"))^-1 * (1-S(":("))^1 -local stylespec = spaces * P("/") * (((1-P(":"))^0)/isstyle) * spaces -local filename = (P("file:")/isfile * (filespec/thename)) + (P("[") * P(true)/isname * (((1-P("]"))^0)/thename) * P("]")) -local fontname = (P("name:")/isname * (namespec/thename)) + P(true)/issome * (namespec/thename) -local sometext = (R("az","AZ","09") + S("+-.,"))^1 -local truevalue = P("+") * spaces * (sometext/istrue) -local falsevalue = P("-") * spaces * (sometext/isfalse) -local keyvalue = P("+") + (C(sometext) * spaces * P("=") * spaces * C(sometext))/iskey -local somevalue = sometext/istrue -local subvalue = P("(") * (C(P(1-S("()"))^1)/issub) * P(")") -- for Kim -local option = spaces * (keyvalue + falsevalue + truevalue + somevalue) * spaces -local options = P(":") * spaces * (P(";")^0 * option)^0 -local pattern = (filename + fontname) * subvalue^0 * stylespec^0 * options^0 - -local function colonized(specification) -- xetex mode - feature_list = { } - lpeg.match(pattern,specification.specification) - set_default_features(feature_list.script) - if feature_list.style then - specification.style = feature_list.style - feature_list.style = nil - end - if feature_list.optsize then - specification.optsize = feature_list.optsize - feature_list.optsize = nil - end - if feature_list.name then - if resolvers.findfile(feature_list.name, "tfm") then - feature_list.lookup = "file" - feature_list.name = file.addsuffix(feature_list.name, "tfm") - elseif resolvers.findfile(feature_list.name, "ofm") then - feature_list.lookup = "file" - feature_list.name = file.addsuffix(feature_list.name, "ofm") - end - - specification.name = feature_list.name - feature_list.name = nil - end - if feature_list.lookup then - specification.lookup = feature_list.lookup - feature_list.lookup = nil - end - if feature_list.sub then - specification.sub = feature_list.sub - feature_list.sub = nil - end - if not feature_list.mode then - -- if no mode is set, use our default - feature_list.mode = fonts.mode - end - specification.features.normal = fonts.handlers.otf.features.normalize(feature_list) - return specification -end - -fonts.definers.registersplit(":",colonized,"cryptic") -fonts.definers.registersplit("", colonized,"more cryptic") -- catches \font\text=[names] - -function fonts.definers.applypostprocessors(tfmdata) - local postprocessors = tfmdata.postprocessors - if postprocessors then - for i=1,#postprocessors do - local extrahash = postprocessors[i](tfmdata) -- after scaling etc - if type(extrahash) == "string" and extrahash ~= "" then - -- e.g. a reencoding needs this - extrahash = string.gsub(lower(extrahash),"[^a-z]","-") - tfmdata.properties.fullname = format("%s-%s",tfmdata.properties.fullname,extrahash) - end - end - end - return tfmdata -end --- vim:tw=71:sw=4:ts=4:expandtab |