Merge pull request #10 from phi-gamma/master

great file bundle restructuring, part I

1 files changed, 97 insertions, 0 deletions

diff --git a/luaotfload-fonts-def.lua b/luaotfload-fonts-def.lua
new file mode 100644
index 0000000..0c2f0db
--- /dev/null
+++ b/luaotfload-fonts-def.lua
@@ -0,0 +1,97 @@
+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