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Diffstat (limited to 'otfl-font-xtx.lua')
| -rw-r--r-- | otfl-font-xtx.lua | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/otfl-font-xtx.lua b/otfl-font-xtx.lua deleted file mode 100644 index 1396199..0000000 --- a/otfl-font-xtx.lua +++ /dev/null @@ -1,208 +0,0 @@ -if not modules then modules = { } end modules ['font-xtx'] = { - version = 1.001, - comment = "companion to font-ini.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local texsprint, count = tex.sprint, tex.count -local format, concat, gmatch, match, find, lower = string.format, table.concat, string.gmatch, string.match, string.find, string.lower -local tostring, next = tostring, next -local lpegmatch = lpeg.match - -local trace_defining = false trackers.register("fonts.defining", function(v) trace_defining = v end) - ---[[ldx-- -<p>Choosing a font by name and specififying its size is only part of the -game. In order to prevent complex commands, <l n='xetex'/> introduced -a method to pass feature information as part of the font name. At the -risk of introducing nasty parsing and compatinility problems, this -syntax was expanded over time.</p> - -<p>For the sake of users who have defined fonts using that syntax, we -will support it, but we will provide additional methods as well. -Normally users will not use this direct way, but use a more abstract -interface.</p> - -<p>The next one is the official one. However, in the plain -variant we need to support the crappy [] specification as -well and that does not work too well with the general design -of the specifier.</p> ---ldx]]-- - -local fonts = fonts -local definers = fonts.definers -local specifiers = definers.specifiers -local normalize_meanings = fonts.otf.meanings.normalize - -local list = { } - -specifiers.colonizedpreference = "file" - -local function isstyle(s) - local style = string.lower(s):split("/") - for _,v in ipairs(style) do - if v == "b" then - list.style = "bold" - elseif v == "i" then - list.style = "italic" - elseif v == "bi" or v == "ib" then - list.style = "bolditalic" - elseif v:find("^s=") then - list.optsize = v:split("=")[2] - elseif v == "aat" or v == "icu" or v == "gr" then - logs.report("load font", "unsupported font option: %s", v) - elseif not v:is_empty() then - list.style = v:gsub("[^%a%d]", "") - end - end -end - -fonts = fonts or { } -fonts.otf = fonts.otf or { } - -local otf = fonts.otf - -otf.tables = otf.tables or { } - -otf.tables.defaults = { - dflt = { - "ccmp", "locl", "rlig", "liga", "clig", - "kern", "mark", "mkmk", - }, - 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", - }, -} - -otf.tables.defaults.beng = otf.tables.defaults.deva -otf.tables.defaults.guru = otf.tables.defaults.deva -otf.tables.defaults.gujr = otf.tables.defaults.deva -otf.tables.defaults.orya = otf.tables.defaults.deva -otf.tables.defaults.taml = otf.tables.defaults.deva -otf.tables.defaults.telu = otf.tables.defaults.deva -otf.tables.defaults.knda = otf.tables.defaults.deva -otf.tables.defaults.mlym = otf.tables.defaults.deva -otf.tables.defaults.sinh = otf.tables.defaults.deva - -otf.tables.defaults.syrc = otf.tables.defaults.arab -otf.tables.defaults.mong = otf.tables.defaults.arab -otf.tables.defaults.nko = otf.tables.defaults.arab - -otf.tables.defaults.tibt = otf.tables.defaults.khmr - -otf.tables.defaults.lao = otf.tables.defaults.thai - -local function parse_script(script) - if otf.tables.scripts[script] then - local dflt - if otf.tables.defaults[script] then - logs.report("load font", "auto-selecting default features for script: %s", script) - dflt = otf.tables.defaults[script] - else - logs.report("load font", "auto-selecting default features for script: dflt (was %s)", script) - dflt = otf.tables.defaults["dflt"] - end - for _,v in next, dflt do - list[v] = "yes" - end - else - logs.report("load font", "unknown script: %s", script) - end -end - -specifiers.colonizedpreference = "file" - -local function issome () list.lookup = specifiers.colonizedpreference end -local function isfile () list.lookup = 'file' end -local function isname () list.lookup = 'name' end -local function thename(s) list.name = s end -local function issub (v) list.sub = v end -local function istrue (s) list[s] = true end -local function isfalse(s) list[s] = false end -local function iskey (k,v) - if k == "script" then - parse_script(v) - end - 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 -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 - list = { } - lpegmatch(pattern,specification.specification) - if list.style then - specification.style = list.style - list.style = nil - end - if list.optsize then - specification.optsize = list.optsize - list.optsize = nil - end - if list.name then - if resolvers.findfile(list.name, "tfm") then - list.lookup = "file" - list.name = file.addsuffix(list.name, "tfm") - elseif resolvers.findfile(list.name, "ofm") then - list.lookup = "file" - list.name = file.addsuffix(list.name, "ofm") - end - - specification.name = list.name - list.name = nil - end - if list.lookup then - specification.lookup = list.lookup - list.lookup = nil - end - if list.sub then - specification.sub = list.sub - list.sub = nil - end - -- specification.features.normal = list - specification.features.normal = normalize_meanings(list) - return specification -end - -definers.registersplit(":",colonized,"cryptic") |