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-rw-r--r--luaotfload-features.lua40
1 files changed, 26 insertions, 14 deletions
diff --git a/luaotfload-features.lua b/luaotfload-features.lua
index 4088379..db0b1d0 100644
--- a/luaotfload-features.lua
+++ b/luaotfload-features.lua
@@ -14,11 +14,25 @@ local lpegmatch = lpeg.match
---[[ begin included font-ltx.lua ]]
--- this appears to be based in part on luatex-fonts-def.lua
-local fonts = fonts
+local fonts = fonts
+local definers = fonts.definers
+local handlers = fonts.handlers
+
+local as_script, normalize
+
+if handlers then
+ normalize = handlers.otf.features.normalize
+else
+ normalize = function () end
+ as_script = true
+end
+
--HH A bit of tuning for definitions.
-fonts.constructors.namemode = "specification" -- somehow latex needs this (changed name!) => will change into an overload
+if fonts.constructors then
+ fonts.constructors.namemode = "specification" -- somehow latex needs this (changed name!) => will change into an overload
+end
--[[HH--
tricky: we sort of bypass the parser and directly feed all into
@@ -39,9 +53,6 @@ local stringformat = string.format
local stringis_empty = string.is_empty
local mathceil = math.ceil
---- TODO an option to dump the default features for a script would make
---- a nice addition to luaotfload-tool
-
local defaults = {
dflt = {
"ccmp", "locl", "rlig", "liga", "clig",
@@ -1185,20 +1196,21 @@ local handle_request = function (specification)
--- The next line sets the “rand” feature to “random”; I haven’t
--- investigated it any further (luatex-fonts-ext), so it will
--- just stay here.
- specification.features.normal
- = fonts.handlers.otf.features.normalize(request.features)
+ specification.features.normal = normalize (request.features)
return specification
end
-local compare_requests = function (spec)
- local old = old_behavior(spec)
- local new = handle_request(spec)
- return new
+if as_script == true then --- skip the remainder of the file
+ fonts.names.handle_request = handle_request
+ report ("log", 5, "load",
+ "Exiting early from luaotfload-features.lua.")
+ return
+else
+ local registersplit = definers.registersplit
+ registersplit (":", handle_request, "cryptic")
+ registersplit ("", handle_request, "more cryptic") -- catches \font\text=[names]
end
-fonts.definers.registersplit(":", handle_request, "cryptic")
-fonts.definers.registersplit("", handle_request, "more cryptic") -- catches \font\text=[names]
-
---[[ end included font-ltx.lua ]]
--[[doc--