diff options
Diffstat (limited to 'src/fontloader/runtime/fontloader-reference.lua')
| -rw-r--r-- | src/fontloader/runtime/fontloader-reference.lua | 90 |
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) |