diff options
Diffstat (limited to 'tex/generic/context/luatex/luatex-fonts-def.lua')
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-def.lua | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/tex/generic/context/luatex/luatex-fonts-def.lua b/tex/generic/context/luatex/luatex-fonts-def.lua new file mode 100644 index 000000000..883451fb5 --- /dev/null +++ b/tex/generic/context/luatex/luatex-fonts-def.lua @@ -0,0 +1,98 @@ +if not modules then modules = { } end modules ['luatex-fonts-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 + 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 = { } -- we could pass Carg but let's keep the old one + +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, Cs = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.Cs + +local spaces = P(" ")^0 +local namespec = Cs((P("{")/"") * (1-S("}"))^0 * (P("}")/"") + (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)/isfile * (((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")^1 +local somekey = R("az","AZ","09")^1 +local somevalue = (P("{")/"")*(1-P("}"))^0*(P("}")/"") + (1-S(";"))^1 +local truevalue = P("+") * spaces * (sometext/istrue) +local falsevalue = P("-") * spaces * (sometext/isfalse) +local keyvalue = (C(somekey) * spaces * P("=") * spaces * C(somevalue))/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 + +function fonts.definers.analyze(str,size) + local specification = fonts.definers.makespecification(str,nil,nil,nil,":",nil,size) + list = { } + lpeg.match(pattern,str) + list.crap = nil + 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) + list = nil + return specification +end + +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 |