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-rw-r--r--src/fontloader/fontloader-fonts-def.lua97
1 files changed, 97 insertions, 0 deletions
diff --git a/src/fontloader/fontloader-fonts-def.lua b/src/fontloader/fontloader-fonts-def.lua
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+++ b/src/fontloader/fontloader-fonts-def.lua
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+if not modules then modules = { } end modules ['luatex-font-def'] = {
+ 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"
+}
+
+if context then
+ texio.write_nl("fatal error: this module is not for context")
+ os.exit()
+end
+
+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 list = { }
+
+local function issome () list.lookup = 'name' end -- xetex mode prefers name (not in context!)
+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 iscrap (s) list.crap = string.lower(s) end
+local function iskey (k,v) list[k] = v end
+local function istrue (s) list[s] = true end
+local function isfalse(s) list[s] = false 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 crapspec = spaces * P("/") * (((1-P(":"))^0)/iscrap) * spaces
+local filename_1 = P("file:")/isfile * (namespec/thename)
+local filename_2 = P("[") * P(true)/isname * (((1-P("]"))^0)/thename) * P("]")
+local fontname_1 = P("name:")/isname * (namespec/thename)
+local fontname_2 = 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 = (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_1 + filename_2 + fontname_1 + fontname_2) * subvalue^0 * crapspec^0 * options^0
+
+local function colonized(specification) -- xetex mode
+ list = { }
+ lpeg.match(pattern,specification.specification)
+ list.crap = nil -- style not supported, maybe some day
+ if list.name then
+ 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 = fonts.handlers.otf.features.normalize(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