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authorPhilipp Gesang <phg@phi-gamma.net>2016-07-14 07:36:01 +0200
committerGitHub <noreply@github.com>2016-07-14 07:36:01 +0200
commit8bb332a20022d100dcbd64fc416a35673a0ba879 (patch)
treef972c96ccf326053729544d32fda11fc14de2115 /src/fontloader/misc/fontloader-fonts-enc.lua
parent2b26f1507fb78927be50bea4ff5b13c5d897cc53 (diff)
parent6ae6f2dec61a216b584e59b6953f0576f51c3902 (diff)
downloadluaotfload-8bb332a20022d100dcbd64fc416a35673a0ba879.tar.gz
Merge pull request #369 from phi-gamma/master
New TFM code
Diffstat (limited to 'src/fontloader/misc/fontloader-fonts-enc.lua')
-rw-r--r--src/fontloader/misc/fontloader-fonts-enc.lua59
1 files changed, 53 insertions, 6 deletions
diff --git a/src/fontloader/misc/fontloader-fonts-enc.lua b/src/fontloader/misc/fontloader-fonts-enc.lua
index 2e1c6a4..c076d59 100644
--- a/src/fontloader/misc/fontloader-fonts-enc.lua
+++ b/src/fontloader/misc/fontloader-fonts-enc.lua
@@ -11,19 +11,66 @@ if context then
os.exit()
end
-local fonts = fonts
-fonts.encodings = { }
-fonts.encodings.agl = { }
-fonts.encodings.known = { }
+local fonts = fonts
+local encodings = { }
+fonts.encodings = encodings
+encodings.agl = { }
+encodings.known = { }
-setmetatable(fonts.encodings.agl, { __index = function(t,k)
+setmetatable(encodings.agl, { __index = function(t,k)
if k == "unicodes" then
texio.write(" <loading (extended) adobe glyph list>")
local unicodes = dofile(resolvers.findfile("font-age.lua"))
- fonts.encodings.agl = { unicodes = unicodes }
+ encodings.agl = { unicodes = unicodes }
return unicodes
else
return nil
end
end })
+-- adapted for generic
+
+encodings.cache = containers.define("fonts", "enc", encodings.version, true)
+
+function encodings.load(filename)
+ local name = file.removesuffix(filename)
+ local data = containers.read(encodings.cache,name)
+ if data then
+ return data
+ end
+ local vector, tag, hash, unicodes = { }, "", { }, { }
+ local foundname = resolvers.findfile(filename,'enc')
+ if foundname and foundname ~= "" then
+ local ok, encoding, size = resolvers.loadbinfile(foundname)
+ if ok and encoding then
+ encoding = string.gsub(encoding,"%%(.-)\n","")
+ local unicoding = encodings.agl.unicodes
+ local tag, vec = string.match(encoding,"/(%w+)%s*%[(.*)%]%s*def")
+ local i = 0
+ for ch in string.gmatch(vec,"/([%a%d%.]+)") do
+ if ch ~= ".notdef" then
+ vector[i] = ch
+ if not hash[ch] then
+ hash[ch] = i
+ else
+ -- duplicate, play safe for tex ligs and take first
+ end
+ local u = unicoding[ch]
+ if u then
+ unicodes[u] = i
+ end
+ end
+ i = i + 1
+ end
+ end
+ end
+ local data = {
+ name = name,
+ tag = tag,
+ vector = vector,
+ hash = hash,
+ unicodes = unicodes
+ }
+ return containers.write(encodings.cache, name, data)
+end
+