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-rw-r--r--src/fontloader/runtime/fontloader-reference.lua90
1 files changed, 76 insertions, 14 deletions
diff --git a/src/fontloader/runtime/fontloader-reference.lua b/src/fontloader/runtime/fontloader-reference.lua
index 287ef1a..3a4a70c 100644
--- a/src/fontloader/runtime/fontloader-reference.lua
+++ b/src/fontloader/runtime/fontloader-reference.lua
@@ -1,6 +1,6 @@
-- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua
-- parent file : c:/data/develop/context/sources/luatex-fonts.lua
--- merge date : 10/22/16 10:43:17
+-- merge date : 01/27/17 14:39:39
do -- begin closure to overcome local limits and interference
@@ -964,20 +964,20 @@ local fullstripper=patterns.fullstripper
local collapser=patterns.collapser
local longtostring=patterns.longtostring
function string.strip(str)
- return lpegmatch(stripper,str) or ""
+ return str and lpegmatch(stripper,str) or ""
end
function string.fullstrip(str)
- return lpegmatch(fullstripper,str) or ""
+ return str and lpegmatch(fullstripper,str) or ""
end
function string.collapsespaces(str)
- return lpegmatch(collapser,str) or ""
+ return str and lpegmatch(collapser,str) or ""
end
function string.longtostring(str)
- return lpegmatch(longtostring,str) or ""
+ return str and lpegmatch(longtostring,str) or ""
end
local pattern=P(" ")^0*P(-1)
function string.is_empty(str)
- if str=="" then
+ if not str or str=="" then
return true
else
return lpegmatch(pattern,str) and true or false
@@ -1739,6 +1739,38 @@ local function flattened(t,f,depth)
return f
end
table.flattened=flattened
+local function collapsed(t,f,h)
+ if f==nil then
+ f={}
+ h={}
+ end
+ for k=1,#t do
+ local v=t[k]
+ if type(v)=="table" then
+ collapsed(v,f,h)
+ elseif not h[v] then
+ f[#f+1]=v
+ h[v]=true
+ end
+ end
+ return f
+end
+local function collapsedhash(t,h)
+ if h==nil then
+ h={}
+ end
+ for k=1,#t do
+ local v=t[k]
+ if type(v)=="table" then
+ collapsedhash(v,h)
+ else
+ h[v]=true
+ end
+ end
+ return h
+end
+table.collapsed=collapsed
+table.collapsedhash=collapsedhash
local function unnest(t,f)
if not f then
f={}
@@ -1845,6 +1877,12 @@ function table.swapped(t,s)
end
return n
end
+function table.hashed(t)
+ for i=1,#t do
+ t[t[i]]=i
+ end
+ return t
+end
function table.mirrored(t)
local n={}
for k,v in next,t do
@@ -9054,8 +9092,8 @@ local function getinfo(maindata,sub,platformnames,rawfamilynames,metricstoo)
local fontheader=fontdata.fontheader or {}
local cffinfo=fontdata.cffinfo or {}
local filename=fontdata.filename
- local weight=getname(fontdata,"weight") or cffinfo.weight or metrics.weight
- local width=getname(fontdata,"width") or cffinfo.width or metrics.width
+ local weight=getname(fontdata,"weight") or (cffinfo and cffinfo.weight) or (metrics and metrics.weight)
+ local width=getname(fontdata,"width") or (cffinfo and cffinfo.width ) or (metrics and metrics.width )
local fontname=getname(fontdata,"postscriptname")
local fullname=getname(fontdata,"fullname")
local family=getname(fontdata,"family")
@@ -13534,7 +13572,11 @@ local f_unicode=formatters["U%05X"]
local f_index=formatters["I%05X"]
local f_character_y=formatters["%C"]
local f_character_n=formatters["[ %C ]"]
-local doduplicates=true
+local check_duplicates=true
+local check_soft_hyphen=false
+directives.register("otf.checksofthyphen",function(v)
+ check_soft_hyphen=v
+end)
local function replaced(list,index,replacement)
if type(list)=="number" then
return replacement
@@ -13602,7 +13644,7 @@ local function unifyresources(fontdata,indices)
end
end
local done={}
- local duplicates=doduplicates and resources.duplicates
+ local duplicates=check_duplicates and resources.duplicates
if duplicates and not next(duplicates) then
duplicates=false
end
@@ -13839,10 +13881,31 @@ local function unifyresources(fontdata,indices)
unifythem(resources.sublookups)
end
local function copyduplicates(fontdata)
- if doduplicates then
+ if check_duplicates then
local descriptions=fontdata.descriptions
local resources=fontdata.resources
local duplicates=resources.duplicates
+ if check_soft_hyphen then
+ local ds=descriptions[0xAD]
+ if not ds or ds.width==0 then
+ if ds then
+ descriptions[0xAD]=nil
+ report("patching soft hyphen")
+ else
+ report("adding soft hyphen")
+ end
+ if not duplicates then
+ duplicates={}
+ resources.duplicates=duplicates
+ end
+ local dh=duplicates[0x2D]
+ if dh then
+ dh[#dh+1]={ [0xAD]=true }
+ else
+ duplicates[0x2D]={ [0xAD]=true }
+ end
+ end
+ end
if duplicates then
for u,d in next,duplicates do
local du=descriptions[u]
@@ -16351,12 +16414,10 @@ local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplis
if kind=="gsub_single" then
for i=1,#steps do
for unicode,data in next,steps[i].coverage do
- if not changed[unicode] then
if trace_singles then
report_substitution(feature,sequence,descriptions,unicode,data)
end
changed[unicode]=data
- end
end
end
elseif kind=="gsub_alternate" then
@@ -18401,6 +18462,7 @@ local fontfeatures=fonthashes.features
local otffeatures=fonts.constructors.features.otf
local registerotffeature=otffeatures.register
local onetimemessage=fonts.loggers.onetimemessage or function() end
+local getrandom=utilities and utilities.randomizer and utilities.randomizer.get
otf.defaultnodealternate="none"
local tfmdata=false
local characters=false
@@ -18746,7 +18808,7 @@ end
local function get_alternative_glyph(start,alternatives,value)
local n=#alternatives
if value=="random" then
- local r=random(1,n)
+ local r=getrandom and getrandom("glyph",1,n) or random(1,n)
return alternatives[r],trace_alternatives and formatters["value %a, taking %a"](value,r)
elseif value=="first" then
return alternatives[1],trace_alternatives and formatters["value %a, taking %a"](value,1)