diff options
Diffstat (limited to 'otfl-font-ltx.lua')
| -rw-r--r-- | otfl-font-ltx.lua | 109 |
1 files changed, 49 insertions, 60 deletions
diff --git a/otfl-font-ltx.lua b/otfl-font-ltx.lua index 12fef44..1865637 100644 --- a/otfl-font-ltx.lua +++ b/otfl-font-ltx.lua @@ -1,45 +1,28 @@ if not modules then modules = { } end modules ['font-ltx'] = { version = 1.001, - comment = "companion to font-ini.mkiv", + comment = "companion to luatex-*.tex", 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 fonts = fonts -local trace_defining = false trackers.register("fonts.defining", function(v) trace_defining = v end) +-- A bit of tuning for definitions. ---[[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> +fonts.constructors.namemode = "specification" -- somehow latex needs this (changed name!) => will change into an overload -<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> +-- tricky: we sort of bypass the parser and directly feed all into +-- the sub parser -<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]]-- +function fonts.definers.getspecification(str) + return "", str, "", ":", str +end -local fonts = fonts -local definers = fonts.definers -local specifiers = definers.specifiers -local normalize_meanings = fonts.otf.meanings.normalize +-- the generic name parser (different from context!) local list = { } -specifiers.colonizedpreference = "file" - local function isstyle(s) local style = string.lower(s):split("/") for _,v in ipairs(style) do @@ -59,14 +42,7 @@ local function isstyle(s) end end -fonts = fonts or { } -fonts.otf = fonts.otf or { } - -local otf = fonts.otf - -otf.tables = otf.tables or { } - -otf.tables.defaults = { +local defaults = { dflt = { "ccmp", "locl", "rlig", "liga", "clig", "kern", "mark", "mkmk", @@ -99,33 +75,33 @@ otf.tables.defaults = { }, } -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 +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 -otf.tables.defaults.syrc = otf.tables.defaults.arab -otf.tables.defaults.mong = otf.tables.defaults.arab -otf.tables.defaults.nko = otf.tables.defaults.arab +defaults.syrc = defaults.arab +defaults.mong = defaults.arab +defaults.nko = defaults.arab -otf.tables.defaults.tibt = otf.tables.defaults.khmr +defaults.tibt = defaults.khmr -otf.tables.defaults.lao = otf.tables.defaults.thai +defaults.lao = defaults.thai local function parse_script(script) - if otf.tables.scripts[script] then + if defaults[script] then local dflt - if otf.tables.defaults[script] then + if defaults[script] then logs.report("load font", "auto-selecting default features for script: %s", script) - dflt = otf.tables.defaults[script] + dflt = defaults[script] else logs.report("load font", "auto-selecting default features for script: dflt (was %s)", script) - dflt = otf.tables.defaults["dflt"] + dflt = defaults["dflt"] end for _,v in next, dflt do list[v] = "yes" @@ -135,9 +111,7 @@ local function parse_script(script) end end -specifiers.colonizedpreference = "file" - -local function issome () list.lookup = specifiers.colonizedpreference end +local function issome () list.lookup = 'name' end local function isfile () list.lookup = 'file' end local function isname () list.lookup = 'name' end local function thename(s) list.name = s end @@ -171,7 +145,7 @@ local pattern = (filename + fontname) * subvalue^0 * stylespec^0 * options^0 local function colonized(specification) -- xetex mode list = { } - lpegmatch(pattern,specification.specification) + lpeg.match(pattern,specification.specification) if list.style then specification.style = list.style list.style = nil @@ -200,9 +174,24 @@ local function colonized(specification) -- xetex mode specification.sub = list.sub list.sub = nil end - -- specification.features.normal = list - specification.features.normal = normalize_meanings(list) + specification.features.normal = fonts.handlers.otf.features.normalize(list) return specification end -definers.registersplit(":",colonized,"cryptic") +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 |