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-rw-r--r--tex/generic/context/luatex/luatex-fonts-merged.lua102
1 files changed, 68 insertions, 34 deletions
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index 3cf4e00ec..b60a0b79b 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
-- merged file : luatex-fonts-merged.lua
-- parent file : luatex-fonts.lua
--- merge date : 09/20/11 00:09:32
+-- merge date : 09/27/11 20:05:02
do -- begin closure to overcome local limits and interference
@@ -3520,21 +3520,35 @@ function constructors.scale(tfmdata,specification)
local sharedkerns = { }
--
for unicode, character in next, characters do
- local chr, description, index
+ local chr, description, index, touni
if changed then
- -- basemode hack
+ -- basemode hack (we try to catch missing tounicodes, e.g. needed for ssty in math cambria)
local c = changed[unicode]
if c then
- description = descriptions[c] or character
+ description = descriptions[c] or descriptions[unicode] or character
character = characters[c] or character
index = description.index or c
+ if tounicode then
+ touni = tounicode[index] -- nb: index!
+ if not touni then -- goodie
+ local d = descriptions[unicode] or characters[unicode]
+ local i = d.index or unicode
+ touni = tounicode[i] -- nb: index!
+ end
+ end
else
description = descriptions[unicode] or character
index = description.index or unicode
+ if tounicode then
+ touni = tounicode[index] -- nb: index!
+ end
end
else
description = descriptions[unicode] or character
index = description.index or unicode
+ if tounicode then
+ touni = tounicode[index] -- nb: index!
+ end
end
local width = description.width
local height = description.height
@@ -3577,15 +3591,12 @@ function constructors.scale(tfmdata,specification)
}
end
end
+ if touni then
+ chr.tounicode = touni
+ end
-- if trace_scaling then
-- report_defining("t=%s, u=%s, i=%s, n=%s c=%s",k,chr.tounicode or "",index or 0,description.name or '-',description.class or '-')
-- end
- if tounicode then
- local tu = tounicode[index] -- nb: index!
- if tu then
- chr.tounicode = tu
- end
- end
if hasquality then
-- we could move these calculations elsewhere (saves calculations)
local ve = character.expansion_factor
@@ -4569,6 +4580,15 @@ local function tounicode16sequence(unicodes)
return concat(t)
end
+local function fromunicode16(str)
+ if #str == 4 then
+ return tonumber(str,16)
+ else
+ local l, r = match(str,"(....)(....)")
+ return (tonumber(l,16)- 0xD800)*0x400 + tonumber(r,16) - 0xDC00
+ end
+end
+
--~ This is quite a bit faster but at the cost of some memory but if we
--~ do this we will also use it elsewhere so let's not follow this route
--~ now. I might use this method in the plain variant (no caching there)
@@ -4593,6 +4613,7 @@ mappings.loadlumtable = loadlumtable
mappings.makenameparser = makenameparser
mappings.tounicode16 = tounicode16
mappings.tounicode16sequence = tounicode16sequence
+mappings.fromunicode16 = fromunicode16
local separator = S("_.")
local other = C((1 - separator)^1)
@@ -4648,7 +4669,9 @@ function mappings.addtounicode(data,filename)
if unic == -1 or unic >= private or (unic >= 0xE000 and unic <= 0xF8FF) or unic == 0xFFFE or unic == 0xFFFF then
local unicode = lumunic and lumunic[name] or unicodevector[name]
if unicode then
- originals[index], tounicode[index], ns = unicode, tounicode16(unicode), ns + 1
+ originals[index] = unicode
+ tounicode[index] = tounicode16(unicode)
+ ns = ns + 1
end
-- cidmap heuristics, beware, there is no guarantee for a match unless
-- the chain resolves
@@ -4657,7 +4680,9 @@ function mappings.addtounicode(data,filename)
if foundindex then
unicode = cidcodes[foundindex] -- name to number
if unicode then
- originals[index], tounicode[index], ns = unicode, tounicode16(unicode), ns + 1
+ originals[index] = unicode
+ tounicode[index] = tounicode16(unicode)
+ ns = ns + 1
else
local reference = cidnames[foundindex] -- number to name
if reference then
@@ -4665,16 +4690,23 @@ function mappings.addtounicode(data,filename)
if foundindex then
unicode = cidcodes[foundindex]
if unicode then
- originals[index], tounicode[index], ns = unicode, tounicode16(unicode), ns + 1
+ originals[index] = unicode
+ tounicode[index] = tounicode16(unicode)
+ ns = ns + 1
end
end
if not unicode then
local foundcodes, multiple = lpegmatch(uparser,reference)
if foundcodes then
+ originals[index] = foundcodes
if multiple then
- originals[index], tounicode[index], nl, unicode = foundcodes, tounicode16sequence(foundcodes), nl + 1, true
+ tounicode[index] = tounicode16sequence(foundcodes)
+ nl = nl + 1
+ unicode = true
else
- originals[index], tounicode[index], ns, unicode = foundcodes, tounicode16(foundcodes), ns + 1, foundcodes
+ tounicode[index] = tounicode16(foundcodes)
+ ns = ns + 1
+ unicode = foundcodes
end
end
end
@@ -4685,19 +4717,8 @@ function mappings.addtounicode(data,filename)
-- a.whatever or a_b_c.whatever or a_b_c (no numbers)
if not unicode then
local split = lpegmatch(ligsplitter,name)
- local nplit = (split and #split) or 0
- if nplit == 0 then
- -- skip
- elseif nplit == 1 then
- local base = split[1]
- unicode = unicodes[base] or unicodevector[base]
- if unicode then
- if type(unicode) == "table" then
- unicode = unicode[1]
- end
- originals[index], tounicode[index], ns = unicode, tounicode16(unicode), ns + 1
- end
- else
+ local nplit = split and #split or 0
+ if nplit >= 2 then
local t, n = { }, 0
for l=1,nplit do
local base = split[l]
@@ -4715,25 +4736,38 @@ function mappings.addtounicode(data,filename)
if n == 0 then -- done then
-- nothing
elseif n == 1 then
- originals[index], tounicode[index], nl, unicode = t[1], tounicode16(t[1]), nl + 1, true
+ originals[index] = t[1]
+ tounicode[index] = tounicode16(t[1])
else
- originals[index], tounicode[index], nl, unicode = t, tounicode16sequence(t), nl + 1, true
+ originals[index] = t
+ tounicode[index] = tounicode16sequence(t)
end
+ nl = nl + 1
+ unicode = true
+ else
+ -- skip: already checked and we don't want privates here
end
end
- -- last resort
+ -- last resort (we might need to catch private here as well)
if not unicode then
local foundcodes, multiple = lpegmatch(uparser,name)
if foundcodes then
if multiple then
- originals[index], tounicode[index], nl, unicode = foundcodes, tounicode16sequence(foundcodes), nl + 1, true
+ originals[index] = foundcodes
+ tounicode[index] = tounicode16sequence(foundcodes)
+ nl = nl + 1
+ unicode = true
else
- originals[index], tounicode[index], ns, unicode = foundcodes, tounicode16(foundcodes), ns + 1, foundcodes
+ originals[index] = foundcodes
+ tounicode[index] = tounicode16(foundcodes)
+ ns = ns + 1
+ unicode = foundcodes
end
end
end
-- if not unicode then
- -- originals[index], tounicode[index] = 0xFFFD, "FFFD"
+ -- originals[index] = 0xFFFD
+ -- tounicode[index] = "FFFD"
-- end
end
end