diff options
Diffstat (limited to 'src/luaotfload-fontloader.lua')
| -rw-r--r-- | src/luaotfload-fontloader.lua | 1968 |
1 files changed, 1309 insertions, 659 deletions
diff --git a/src/luaotfload-fontloader.lua b/src/luaotfload-fontloader.lua index 4aa03e6..e9c6638 100644 --- a/src/luaotfload-fontloader.lua +++ b/src/luaotfload-fontloader.lua @@ -1,6 +1,6 @@ -- merged file : luatex-fonts-merged.lua -- parent file : luatex-fonts.lua --- merge date : 09/26/14 11:42:21 +-- merge date : 12/06/14 14:20:08 do -- begin closure to overcome local limits and interference @@ -149,6 +149,8 @@ patterns.utfbom_16_le=utfbom_16_le patterns.utfbom_8=utfbom_8 patterns.utf_16_be_nl=P("\000\r\000\n")+P("\000\r")+P("\000\n") patterns.utf_16_le_nl=P("\r\000\n\000")+P("\r\000")+P("\n\000") +patterns.utf_32_be_nl=P("\000\000\000\r\000\000\000\n")+P("\000\000\000\r")+P("\000\000\000\n") +patterns.utf_32_le_nl=P("\r\000\000\000\n\000\000\000")+P("\r\000\000\000")+P("\n\000\000\000") patterns.utf8one=R("\000\127") patterns.utf8two=R("\194\223")*utf8next patterns.utf8three=R("\224\239")*utf8next*utf8next @@ -178,9 +180,21 @@ patterns.nonwhitespace=nonwhitespace local stripper=spacer^0*C((spacer^0*nonspacer^1)^0) local fullstripper=whitespace^0*C((whitespace^0*nonwhitespace^1)^0) local collapser=Cs(spacer^0/""*nonspacer^0*((spacer^0/" "*nonspacer^1)^0)) +local b_collapser=Cs(whitespace^0/""*(nonwhitespace^1+whitespace^1/" ")^0) +local e_collapser=Cs((whitespace^1*P(-1)/""+nonwhitespace^1+whitespace^1/" ")^0) +local m_collapser=Cs((nonwhitespace^1+whitespace^1/" ")^0) +local b_stripper=Cs(spacer^0/""*(nonspacer^1+spacer^1/" ")^0) +local e_stripper=Cs((spacer^1*P(-1)/""+nonspacer^1+spacer^1/" ")^0) +local m_stripper=Cs((nonspacer^1+spacer^1/" ")^0) patterns.stripper=stripper patterns.fullstripper=fullstripper patterns.collapser=collapser +patterns.b_collapser=b_collapser +patterns.m_collapser=m_collapser +patterns.e_collapser=e_collapser +patterns.b_stripper=b_stripper +patterns.m_stripper=m_stripper +patterns.e_stripper=e_stripper patterns.lowercase=lowercase patterns.uppercase=uppercase patterns.letter=patterns.lowercase+patterns.uppercase @@ -731,6 +745,65 @@ local case_2=period*(digit-trailingzeros)^1*(trailingzeros/"") local number=digit^1*(case_1+case_2) local stripper=Cs((number+1)^0) lpeg.patterns.stripzeros=stripper +local byte_to_HEX={} +local byte_to_hex={} +local byte_to_dec={} +local hex_to_byte={} +for i=0,255 do + local H=format("%02X",i) + local h=format("%02x",i) + local d=format("%03i",i) + local c=char(i) + byte_to_HEX[c]=H + byte_to_hex[c]=h + byte_to_dec[c]=d + hex_to_byte[h]=c + hex_to_byte[H]=c +end +local hextobyte=P(2)/hex_to_byte +local bytetoHEX=P(1)/byte_to_HEX +local bytetohex=P(1)/byte_to_hex +local bytetodec=P(1)/byte_to_dec +local hextobytes=Cs(hextobyte^0) +local bytestoHEX=Cs(bytetoHEX^0) +local bytestohex=Cs(bytetohex^0) +local bytestodec=Cs(bytetodec^0) +patterns.hextobyte=hextobyte +patterns.bytetoHEX=bytetoHEX +patterns.bytetohex=bytetohex +patterns.bytetodec=bytetodec +patterns.hextobytes=hextobytes +patterns.bytestoHEX=bytestoHEX +patterns.bytestohex=bytestohex +patterns.bytestodec=bytestodec +function string.toHEX(s) + if not s or s=="" then + return s + else + return lpegmatch(bytestoHEX,s) + end +end +function string.tohex(s) + if not s or s=="" then + return s + else + return lpegmatch(bytestohex,s) + end +end +function string.todec(s) + if not s or s=="" then + return s + else + return lpegmatch(bytestodec,s) + end +end +function string.tobytes(s) + if not s or s=="" then + return s + else + return lpegmatch(hextobytes,s) + end +end end -- closure @@ -895,7 +968,7 @@ local function compare(a,b) if ta==tb then return a<b else - return tostring(a)<tostring(b) + return tostring(a)<tostring(b) end end local function sortedkeys(tab) @@ -3560,7 +3633,12 @@ function caches.compile(data,luaname,lucname) end end function table.setmetatableindex(t,f) + if type(t)~="table" then + f=f or t + t={} + end setmetatable(t,{ __index=f }) + return t end arguments={} if arg then @@ -3771,21 +3849,12 @@ function nodes.pool.kern(k) n.kern=k return n end -local getfield=node.getfield or function(n,tag) return n[tag] end -local setfield=node.setfield or function(n,tag,value) n[tag]=value end +local getfield=node.getfield +local setfield=node.setfield nodes.getfield=getfield nodes.setfield=setfield nodes.getattr=getfield nodes.setattr=setfield -if node.getid then nodes.getid=node.getid else function nodes.getid (n) return getfield(n,"id") end end -if node.getsubtype then nodes.getsubtype=node.getsubtype else function nodes.getsubtype(n) return getfield(n,"subtype") end end -if node.getnext then nodes.getnext=node.getnext else function nodes.getnext (n) return getfield(n,"next") end end -if node.getprev then nodes.getprev=node.getprev else function nodes.getprev (n) return getfield(n,"prev") end end -if node.getchar then nodes.getchar=node.getchar else function nodes.getchar (n) return getfield(n,"char") end end -if node.getfont then nodes.getfont=node.getfont else function nodes.getfont (n) return getfield(n,"font") end end -if node.getlist then nodes.getlist=node.getlist else function nodes.getlist (n) return getfield(n,"list") end end -function nodes.tonut (n) return n end -function nodes.tonode(n) return n end nodes.tostring=node.tostring or tostring nodes.copy=node.copy nodes.copy_list=node.copy_list @@ -3822,7 +3891,68 @@ nodes.unprotect_glyphs=node.unprotect_glyphs nodes.kerning=node.kerning nodes.ligaturing=node.ligaturing nodes.mlist_to_hlist=node.mlist_to_hlist -nodes.nuts=nodes +local direct=node.direct +local nuts={} +nodes.nuts=nuts +local tonode=direct.tonode +local tonut=direct.todirect +nodes.tonode=tonode +nodes.tonut=tonut +nuts.tonode=tonode +nuts.tonut=tonut +local getfield=direct.getfield +local setfield=direct.setfield +nuts.getfield=getfield +nuts.setfield=setfield +nuts.getnext=direct.getnext +nuts.getprev=direct.getprev +nuts.getid=direct.getid +nuts.getattr=getfield +nuts.setattr=setfield +nuts.getfont=direct.getfont +nuts.getsubtype=direct.getsubtype +nuts.getchar=direct.getchar +nuts.insert_before=direct.insert_before +nuts.insert_after=direct.insert_after +nuts.delete=direct.delete +nuts.copy=direct.copy +nuts.tail=direct.tail +nuts.flush_list=direct.flush_list +nuts.end_of_math=direct.end_of_math +nuts.traverse=direct.traverse +nuts.traverse_id=direct.traverse_id +nuts.getprop=nuts.getattr +nuts.setprop=nuts.setattr +local new_nut=direct.new +nuts.new=new_nut +nuts.pool={} +function nuts.pool.kern(k) + local n=new_nut("kern",1) + setfield(n,"kern",k) + return n +end +local propertydata=direct.get_properties_table() +nodes.properties={ data=propertydata } +direct.set_properties_mode(true,true) +function direct.set_properties_mode() end +nuts.getprop=function(n,k) + local p=propertydata[n] + if p then + return p[k] + end +end +nuts.setprop=function(n,k,v) + if v then + local p=propertydata[n] + if p then + p[k]=v + else + propertydata[n]={ [k]=v } + end + end +end +nodes.setprop=nodes.setproperty +nodes.getprop=nodes.getproperty end -- closure @@ -3881,7 +4011,8 @@ constructors.autocleanup=true constructors.namemode="fullpath" constructors.version=1.01 constructors.cache=containers.define("fonts","constructors",constructors.version,false) -constructors.privateoffset=0xF0000 +constructors.privateoffset=0xF0000 +constructors.cacheintex=true constructors.keys={ properties={ encodingbytes="number", @@ -4134,7 +4265,7 @@ function constructors.scale(tfmdata,specification) targetparameters.textsize=textsize targetparameters.forcedsize=forcedsize targetparameters.extrafactor=extrafactor - local tounicode=resources.tounicode + local tounicode=fonts.mappings.tounicode local defaultwidth=resources.defaultwidth or 0 local defaultheight=resources.defaultheight or 0 local defaultdepth=resources.defaultdepth or 0 @@ -4160,6 +4291,7 @@ function constructors.scale(tfmdata,specification) target.tounicode=1 target.cidinfo=properties.cidinfo target.format=properties.format + target.cache=constructors.cacheintex and "yes" or "renew" local fontname=properties.fontname or tfmdata.fontname local fullname=properties.fullname or tfmdata.fullname local filename=properties.filename or tfmdata.filename @@ -4214,7 +4346,8 @@ function constructors.scale(tfmdata,specification) local autoitalicamount=properties.autoitalicamount local stackmath=not properties.nostackmath local nonames=properties.noglyphnames - local nodemode=properties.mode=="node" + local haskerns=properties.haskerns or properties.mode=="base" + local hasligatures=properties.hasligatures or properties.mode=="base" if changed and not next(changed) then changed=false end @@ -4277,38 +4410,20 @@ function constructors.scale(tfmdata,specification) constructors.beforecopyingcharacters(target,tfmdata) local sharedkerns={} for unicode,character in next,characters do - local chr,description,index,touni + local chr,description,index if changed then local c=changed[unicode] if c then - local ligatures=character.ligatures description=descriptions[c] or descriptions[unicode] or character character=characters[c] or character index=description.index or c - if tounicode then - touni=tounicode[index] - if not touni then - local d=descriptions[unicode] or characters[unicode] - local i=d.index or unicode - touni=tounicode[i] - end - end - if ligatures and not character.ligatures then - character.ligatures=ligatures - end else description=descriptions[unicode] or character index=description.index or unicode - if tounicode then - touni=tounicode[index] - end end else description=descriptions[unicode] or character index=description.index or unicode - if tounicode then - touni=tounicode[index] - end end local width=description.width local height=description.height @@ -4349,8 +4464,10 @@ function constructors.scale(tfmdata,specification) } end end - if touni then - chr.tounicode=touni + local isunicode=description.unicode + if isunicode then + chr.unicode=isunicode + chr.tounicode=tounicode(isunicode) end if hasquality then local ve=character.expansion_factor @@ -4443,7 +4560,7 @@ function constructors.scale(tfmdata,specification) end end end - if not nodemode then + if haskerns then local vk=character.kerns if vk then local s=sharedkerns[vk] @@ -4454,6 +4571,8 @@ function constructors.scale(tfmdata,specification) end chr.kerns=s end + end + if hasligatures then local vl=character.ligatures if vl then if true then @@ -4610,6 +4729,7 @@ function constructors.finalize(tfmdata) tfmdata.extend=nil tfmdata.slant=nil tfmdata.units_per_em=nil + tfmdata.cache=nil properties.finalized=true return tfmdata end @@ -4954,6 +5074,16 @@ function constructors.applymanipulators(what,tfmdata,features,trace,report) end end end +function constructors.addcoreunicodes(unicodes) + if not unicodes then + unicodes={} + end + unicodes.space=0x0020 + unicodes.hyphen=0x002D + unicodes.zwj=0x200D + unicodes.zwnj=0x200C + return unicodes +end end -- closure @@ -5045,7 +5175,7 @@ local function loadcidfile(filename) ordering=ordering, filename=filename, unicodes=unicodes, - names=names + names=names, } end end @@ -5082,10 +5212,23 @@ function cid.getmap(specification) local ordering=specification.ordering local supplement=specification.supplement local filename=format(registry,ordering,supplement) - local found=cidmap[lower(filename)] + local lowername=lower(filename) + local found=cidmap[lowername] if found then return found end + if ordering=="Identity" then + local found={ + supplement=supplement, + registry=registry, + ordering=ordering, + filename=filename, + unicodes={}, + names={}, + } + cidmap[lowername]=found + return found + end if trace_loading then report_otf("cidmap needed, registry %a, ordering %a, supplement %a",registry,ordering,supplement) end @@ -5136,11 +5279,12 @@ if not modules then modules={} end modules ['font-map']={ copyright="PRAGMA ADE / ConTeXt Development Team", license="see context related readme files" } -local tonumber=tonumber +local tonumber,next,type=tonumber,next,type local match,format,find,concat,gsub,lower=string.match,string.format,string.find,table.concat,string.gsub,string.lower local P,R,S,C,Ct,Cc,lpegmatch=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Ct,lpeg.Cc,lpeg.match local utfbyte=utf.byte local floor=math.floor +local formatters=string.formatters local trace_loading=false trackers.register("fonts.loading",function(v) trace_loading=v end) local trace_mapping=false trackers.register("fonts.mapping",function(v) trace_unimapping=v end) local report_fonts=logs.reporter("fonts","loading") @@ -5180,11 +5324,13 @@ local function makenameparser(str) return p end end +local f_single=formatters["%04X"] +local f_double=formatters["%04X%04X"] local function tounicode16(unicode,name) if unicode<0x10000 then - return format("%04X",unicode) + return f_single(unicode) elseif unicode<0x1FFFFFFFFF then - return format("%04X%04X",floor(unicode/1024),unicode%1024+0xDC00) + return f_double(floor(unicode/1024),unicode%1024+0xDC00) else report_fonts("can't convert %a in %a into tounicode",unicode,name) end @@ -5192,17 +5338,43 @@ end local function tounicode16sequence(unicodes,name) local t={} for l=1,#unicodes do - local unicode=unicodes[l] - if unicode<0x10000 then - t[l]=format("%04X",unicode) + local u=unicodes[l] + if u<0x10000 then + t[l]=f_single(u) elseif unicode<0x1FFFFFFFFF then - t[l]=format("%04X%04X",floor(unicode/1024),unicode%1024+0xDC00) + t[l]=f_double(floor(u/1024),u%1024+0xDC00) else - report_fonts ("can't convert %a in %a into tounicode",unicode,name) + report_fonts ("can't convert %a in %a into tounicode",u,name) + return end end return concat(t) end +local function tounicode(unicode,name) + if type(unicode)=="table" then + local t={} + for l=1,#unicode do + local u=unicode[l] + if u<0x10000 then + t[l]=f_single(u) + elseif u<0x1FFFFFFFFF then + t[l]=f_double(floor(u/1024),u%1024+0xDC00) + else + report_fonts ("can't convert %a in %a into tounicode",u,name) + return + end + end + return concat(t) + else + if unicode<0x10000 then + return f_single(unicode) + elseif unicode<0x1FFFFFFFFF then + return f_double(floor(unicode/1024),unicode%1024+0xDC00) + else + report_fonts("can't convert %a in %a into tounicode",unicode,name) + end + end +end local function fromunicode16(str) if #str==4 then return tonumber(str,16) @@ -5213,17 +5385,41 @@ local function fromunicode16(str) end mappings.loadlumtable=loadlumtable mappings.makenameparser=makenameparser +mappings.tounicode=tounicode mappings.tounicode16=tounicode16 mappings.tounicode16sequence=tounicode16sequence mappings.fromunicode16=fromunicode16 local ligseparator=P("_") local varseparator=P(".") local namesplitter=Ct(C((1-ligseparator-varseparator)^1)*(ligseparator*C((1-ligseparator-varseparator)^1))^0) +local overloads={ + IJ={ name="I_J",unicode={ 0x49,0x4A },mess=0x0132 }, + ij={ name="i_j",unicode={ 0x69,0x6A },mess=0x0133 }, + ff={ name="f_f",unicode={ 0x66,0x66 },mess=0xFB00 }, + fi={ name="f_i",unicode={ 0x66,0x69 },mess=0xFB01 }, + fl={ name="f_l",unicode={ 0x66,0x6C },mess=0xFB02 }, + ffi={ name="f_f_i",unicode={ 0x66,0x66,0x69 },mess=0xFB03 }, + ffl={ name="f_f_l",unicode={ 0x66,0x66,0x6C },mess=0xFB04 }, + fj={ name="f_j",unicode={ 0x66,0x6A } }, + fk={ name="f_k",unicode={ 0x66,0x6B } }, +} +for k,v in next,overloads do + local name=v.name + local mess=v.mess + if name then + overloads[name]=v + end + if mess then + overloads[mess]=v + end +end +mappings.overloads=overloads function mappings.addtounicode(data,filename) local resources=data.resources local properties=data.properties local descriptions=data.descriptions local unicodes=resources.unicodes + local lookuptypes=resources.lookuptypes if not unicodes then return end @@ -5232,18 +5428,10 @@ function mappings.addtounicode(data,filename) unicodes['zwj']=unicodes['zwj'] or 0x200D unicodes['zwnj']=unicodes['zwnj'] or 0x200C local private=fonts.constructors.privateoffset - local unknown=format("%04X",utfbyte("?")) - local unicodevector=fonts.encodings.agl.unicodes - local tounicode={} - local originals={} - resources.tounicode=tounicode - resources.originals=originals + local unicodevector=fonts.encodings.agl.unicodes + local missing={} local lumunic,uparser,oparser local cidinfo,cidnames,cidcodes,usedmap - if false then - lumunic=loadlumtable(filename) - lumunic=lumunic and lumunic.tounicode - end cidinfo=properties.cidinfo usedmap=cidinfo and fonts.cid.getmap(cidinfo) if usedmap then @@ -5256,11 +5444,13 @@ function mappings.addtounicode(data,filename) for unic,glyph in next,descriptions do local index=glyph.index local name=glyph.name - if unic==-1 or unic>=private or (unic>=0xE000 and unic<=0xF8FF) or unic==0xFFFE or unic==0xFFFF then + local r=overloads[name] + if r then + glyph.unicode=r.unicode + elseif 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]=unicode - tounicode[index]=tounicode16(unicode,name) + glyph.unicode=unicode ns=ns+1 end if (not unicode) and usedmap then @@ -5268,8 +5458,7 @@ function mappings.addtounicode(data,filename) if foundindex then unicode=cidcodes[foundindex] if unicode then - originals[index]=unicode - tounicode[index]=tounicode16(unicode,name) + glyph.unicode=unicode ns=ns+1 else local reference=cidnames[foundindex] @@ -5278,21 +5467,18 @@ function mappings.addtounicode(data,filename) if foundindex then unicode=cidcodes[foundindex] if unicode then - originals[index]=unicode - tounicode[index]=tounicode16(unicode,name) + glyph.unicode=unicode ns=ns+1 end end if not unicode or unicode=="" then local foundcodes,multiple=lpegmatch(uparser,reference) if foundcodes then - originals[index]=foundcodes + glyph.unicode=foundcodes if multiple then - tounicode[index]=tounicode16sequence(foundcodes) nl=nl+1 unicode=true else - tounicode[index]=tounicode16(foundcodes,name) ns=ns+1 unicode=foundcodes end @@ -5330,39 +5516,157 @@ function mappings.addtounicode(data,filename) end if n==0 then elseif n==1 then - originals[index]=t[1] - tounicode[index]=tounicode16(t[1],name) + glyph.unicode=t[1] else - originals[index]=t - tounicode[index]=tounicode16sequence(t) + glyph.unicode=t end nl=nl+1 end if not unicode or unicode=="" then local foundcodes,multiple=lpegmatch(uparser,name) if foundcodes then + glyph.unicode=foundcodes if multiple then - originals[index]=foundcodes - tounicode[index]=tounicode16sequence(foundcodes,name) nl=nl+1 unicode=true else - originals[index]=foundcodes - tounicode[index]=tounicode16(foundcodes,name) ns=ns+1 unicode=foundcodes end end end + local r=overloads[unicode] + if r then + unicode=r.unicode + glyph.unicode=unicode + end + if not unicode then + missing[name]=true + end + end + end + if next(missing) then + local guess={} + local function check(gname,code,unicode) + local description=descriptions[code] + local variant=description.name + if variant==gname then + return + end + local unic=unicodes[variant] + if unic==-1 or unic>=private or (unic>=0xE000 and unic<=0xF8FF) or unic==0xFFFE or unic==0xFFFF then + else + return + end + if descriptions[code].unicode then + return + end + local g=guess[variant] + if g then + g[gname]=unicode + else + guess[variant]={ [gname]=unicode } + end + end + for unicode,description in next,descriptions do + local slookups=description.slookups + if slookups then + local gname=description.name + for tag,data in next,slookups do + local lookuptype=lookuptypes[tag] + if lookuptype=="alternate" then + for i=1,#data do + check(gname,data[i],unicode) + end + elseif lookuptype=="substitution" then + check(gname,data,unicode) + end + end + end + local mlookups=description.mlookups + if mlookups then + local gname=description.name + for tag,list in next,mlookups do + local lookuptype=lookuptypes[tag] + if lookuptype=="alternate" then + for i=1,#list do + local data=list[i] + for i=1,#data do + check(gname,data[i],unicode) + end + end + elseif lookuptype=="substitution" then + for i=1,#list do + check(gname,list[i],unicode) + end + end + end + end + end + local done=true + while done do + done=false + for k,v in next,guess do + if type(v)~="number" then + for kk,vv in next,v do + if vv==-1 or vv>=private or (vv>=0xE000 and vv<=0xF8FF) or vv==0xFFFE or vv==0xFFFF then + local uu=guess[kk] + if type(uu)=="number" then + guess[k]=uu + done=true + end + else + guess[k]=vv + done=true + end + end + end + end + end + local orphans=0 + local guessed=0 + for k,v in next,guess do + if type(v)=="number" then + descriptions[unicodes[k]].unicode=descriptions[v].unicode or v + guessed=guessed+1 + else + local t=nil + local l=lower(k) + local u=unicodes[l] + if not u then + orphans=orphans+1 + elseif u==-1 or u>=private or (u>=0xE000 and u<=0xF8FF) or u==0xFFFE or u==0xFFFF then + local unicode=descriptions[u].unicode + if unicode then + descriptions[unicodes[k]].unicode=unicode + guessed=guessed+1 + else + orphans=orphans+1 + end + else + orphans=orphans+1 + end + end + end + if trace_loading and orphans>0 or guessed>0 then + report_fonts("%s glyphs with no related unicode, %s guessed, %s orphans",guessed+orphans,guessed,orphans) end end if trace_mapping then for unic,glyph in table.sortedhash(descriptions) do local name=glyph.name local index=glyph.index - local toun=tounicode[index] - if toun then - report_fonts("internal slot %U, name %a, unicode %U, tounicode %a",index,name,unic,toun) + local unicode=glyph.unicode + if unicode then + if type(unicode)=="table" then + local unicodes={} + for i=1,#unicode do + unicodes[i]=formatters("%U",unicode[i]) + end + report_fonts("internal slot %U, name %a, unicode %U, tounicode % t",index,name,unic,unicodes) + else + report_fonts("internal slot %U, name %a, unicode %U, tounicode %U",index,name,unic,unicode) + end else report_fonts("internal slot %U, name %a, unicode %U",index,name,unic) end @@ -5504,6 +5808,7 @@ local function read_from_tfm(specification) properties.fontname=tfmdata.fontname properties.psname=tfmdata.psname properties.filename=specification.filename + properties.format=fonts.formats.tfm parameters.size=size shared.rawdata={} shared.features=features @@ -5543,6 +5848,10 @@ local function read_from_tfm(specification) features.encoding=encoding end end + properties.haskerns=true + properties.haslogatures=true + resources.unicodes={} + resources.lookuptags={} return tfmdata end end @@ -5598,6 +5907,7 @@ local trace_indexing=false trackers.register("afm.indexing",function(v) trace_in local trace_loading=false trackers.register("afm.loading",function(v) trace_loading=v end) local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end) local report_afm=logs.reporter("fonts","afm loading") +local setmetatableindex=table.setmetatableindex local findbinfile=resolvers.findbinfile local definers=fonts.definers local readers=fonts.readers @@ -5606,7 +5916,7 @@ local afm=constructors.newhandler("afm") local pfb=constructors.newhandler("pfb") local afmfeatures=constructors.newfeatures("afm") local registerafmfeature=afmfeatures.register -afm.version=1.410 +afm.version=1.500 afm.cache=containers.define("fonts","afm",afm.version,true) afm.autoprefixed=true afm.helpdata={} @@ -5614,6 +5924,7 @@ afm.syncspace=true afm.addligatures=true afm.addtexligatures=true afm.addkerns=true +local overloads=fonts.mappings.overloads local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes local function setmode(tfmdata,value) if value then @@ -5801,7 +6112,7 @@ local function readafm(filename) return nil end end -local addkerns,addligatures,addtexligatures,unify,normalize +local addkerns,addligatures,addtexligatures,unify,normalize,fixnames function afm.load(filename) filename=resolvers.findfile(filename,'afm') or "" if filename~="" and not fonts.names.ignoredfile(filename) then @@ -5844,6 +6155,7 @@ function afm.load(filename) addkerns(data) end normalize(data) + fixnames(data) report_afm("add tounicode data") fonts.mappings.addtounicode(data,filename) data.size=size @@ -5851,6 +6163,7 @@ function afm.load(filename) data.pfbsize=pfbsize data.pfbtime=pfbtime report_afm("saving %a in cache",name) + data.resources.unicodes=nil data=containers.write(afm.cache,name,data) data=containers.read(afm.cache,name) end @@ -5910,18 +6223,30 @@ unify=function(data,filename) local filename=resources.filename or file.removesuffix(file.basename(filename)) resources.filename=resolvers.unresolve(filename) resources.unicodes=unicodes - resources.marks={} - resources.names=names + resources.marks={} resources.private=private end normalize=function(data) end +fixnames=function(data) + for k,v in next,data.descriptions do + local n=v.name + local r=overloads[n] + if r then + local name=r.name + if trace_indexing then + report_afm("renaming characters %a to %a",n,name) + end + v.name=name + v.unicode=r.unicode + end + end +end local addthem=function(rawdata,ligatures) if ligatures then local descriptions=rawdata.descriptions local resources=rawdata.resources local unicodes=resources.unicodes - local names=resources.names for ligname,ligdata in next,ligatures do local one=descriptions[unicodes[ligname]] if one then @@ -6054,8 +6379,8 @@ local function copytotfm(data) local filename=constructors.checkedfilename(resources) local fontname=metadata.fontname or metadata.fullname local fullname=metadata.fullname or metadata.fontname - local endash=unicodes['space'] - local emdash=unicodes['emdash'] + local endash=0x0020 + local emdash=0x2014 local spacer="space" local spaceunits=500 local monospaced=metadata.isfixedpitch @@ -6109,7 +6434,7 @@ local function copytotfm(data) if charxheight then parameters.x_height=charxheight else - local x=unicodes['x'] + local x=0x0078 if x then local x=descriptions[x] if x then @@ -6156,7 +6481,34 @@ function afm.setfeatures(tfmdata,features) return {} end end -local function checkfeatures(specification) +local function addtables(data) + local resources=data.resources + local lookuptags=resources.lookuptags + local unicodes=resources.unicodes + if not lookuptags then + lookuptags={} + resources.lookuptags=lookuptags + end + setmetatableindex(lookuptags,function(t,k) + local v=type(k)=="number" and ("lookup "..k) or k + t[k]=v + return v + end) + if not unicodes then + unicodes={} + resources.unicodes=unicodes + setmetatableindex(unicodes,function(t,k) + setmetatableindex(unicodes,nil) + for u,d in next,data.descriptions do + local n=d.name + if n then + t[n]=u + end + end + return rawget(t,k) + end) + end + constructors.addcoreunicodes(unicodes) end local function afmtotfm(specification) local afmname=specification.filename or specification.name @@ -6183,6 +6535,7 @@ local function afmtotfm(specification) if not tfmdata then local rawdata=afm.load(afmname) if rawdata and next(rawdata) then + addtables(rawdata) adddimensions(rawdata) tfmdata=copytotfm(rawdata) if tfmdata and next(tfmdata) then @@ -6217,6 +6570,7 @@ end local function prepareligatures(tfmdata,ligatures,value) if value then local descriptions=tfmdata.descriptions + local hasligatures=false for unicode,character in next,tfmdata.characters do local description=descriptions[unicode] local dligatures=description.ligatures @@ -6232,8 +6586,10 @@ local function prepareligatures(tfmdata,ligatures,value) type=0 } end + hasligatures=true end end + tfmdata.properties.hasligatures=hasligatures end end local function preparekerns(tfmdata,kerns,value) @@ -6242,6 +6598,7 @@ local function preparekerns(tfmdata,kerns,value) local resources=rawdata.resources local unicodes=resources.unicodes local descriptions=tfmdata.descriptions + local haskerns=false for u,chr in next,tfmdata.characters do local d=descriptions[u] local newkerns=d[kerns] @@ -6257,8 +6614,10 @@ local function preparekerns(tfmdata,kerns,value) kerns[uk]=v end end + haskerns=true end end + tfmdata.properties.haskerns=haskerns end end local list={ @@ -6688,6 +7047,8 @@ local reversed,concat,remove,sortedkeys=table.reversed,table.concat,table.remove local ioflush=io.flush local fastcopy,tohash,derivetable=table.fastcopy,table.tohash,table.derive local formatters=string.formatters +local P,R,S,C,Ct,lpegmatch=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Ct,lpeg.match +local setmetatableindex=table.setmetatableindex local allocate=utilities.storage.allocate local registertracker=trackers.register local registerdirective=directives.register @@ -6702,26 +7063,27 @@ local trace_dynamics=false registertracker("otf.dynamics",function(v) trace_dyna local trace_sequences=false registertracker("otf.sequences",function(v) trace_sequences=v end) local trace_markwidth=false registertracker("otf.markwidth",function(v) trace_markwidth=v end) local trace_defining=false registertracker("fonts.defining",function(v) trace_defining=v end) +local compact_lookups=true registertracker("otf.compactlookups",function(v) compact_lookups=v end) +local purge_names=true registertracker("otf.purgenames",function(v) purge_names=v end) local report_otf=logs.reporter("fonts","otf loading") local fonts=fonts local otf=fonts.handlers.otf otf.glists={ "gsub","gpos" } -otf.version=2.760 +otf.version=2.802 otf.cache=containers.define("fonts","otf",otf.version,true) local fontdata=fonts.hashes.identifiers local chardata=characters and characters.data -local otffeatures=fonts.constructors.newfeatures("otf") +local definers=fonts.definers +local readers=fonts.readers +local constructors=fonts.constructors +local otffeatures=constructors.newfeatures("otf") local registerotffeature=otffeatures.register local enhancers=allocate() otf.enhancers=enhancers local patches={} enhancers.patches=patches -local definers=fonts.definers -local readers=fonts.readers -local constructors=fonts.constructors local forceload=false local cleanup=0 -local usemetatables=false local packdata=true local syncspace=true local forcenotdef=false @@ -6740,7 +7102,6 @@ formats.ttc="truetype" formats.dfont="truetype" registerdirective("fonts.otf.loader.cleanup",function(v) cleanup=tonumber(v) or (v and 1) or 0 end) registerdirective("fonts.otf.loader.force",function(v) forceload=v end) -registerdirective("fonts.otf.loader.usemetatables",function(v) usemetatables=v end) registerdirective("fonts.otf.loader.pack",function(v) packdata=v end) registerdirective("fonts.otf.loader.syncspace",function(v) syncspace=v end) registerdirective("fonts.otf.loader.forcenotdef",function(v) forcenotdef=v end) @@ -6869,7 +7230,6 @@ local ordered_enhancers={ "prepare lookups", "analyze glyphs", "analyze math", - "prepare tounicode", "reorganize lookups", "reorganize mark classes", "reorganize anchor classes", @@ -6882,9 +7242,12 @@ local ordered_enhancers={ "check glyphs", "check metadata", "check extra features", + "prepare tounicode", "check encoding", "add duplicates", "cleanup tables", + "compact lookups", + "purge names", } local actions=allocate() local before=allocate() @@ -7075,7 +7438,7 @@ function otf.load(filename,sub,featurefile) goodies={}, helpers={ tounicodelist=splitter, - tounicodetable=lpeg.Ct(splitter), + tounicodetable=Ct(splitter), }, } starttiming(data) @@ -7118,6 +7481,34 @@ function otf.load(filename,sub,featurefile) report_otf("loading from cache using hash %a",hash) end enhance("unpack",data,filename,nil,false) + local resources=data.resources + local lookuptags=resources.lookuptags + local unicodes=resources.unicodes + if not lookuptags then + lookuptags={} + resources.lookuptags=lookuptags + end + setmetatableindex(lookuptags,function(t,k) + local v=type(k)=="number" and ("lookup "..k) or k + t[k]=v + return v + end) + if not unicodes then + unicodes={} + resources.unicodes=unicodes + setmetatableindex(unicodes,function(t,k) + setmetatableindex(unicodes,nil) + for u,d in next,data.descriptions do + local n=d.name + if n then + t[n]=u + else + end + end + return rawget(t,k) + end) + end + constructors.addcoreunicodes(unicodes) if applyruntimefixes then applyruntimefixes(filename,data) end @@ -7154,34 +7545,22 @@ actions["add dimensions"]=function(data,filename) local defaultheight=resources.defaultheight or 0 local defaultdepth=resources.defaultdepth or 0 local basename=trace_markwidth and file.basename(filename) - if usemetatables then - for _,d in next,descriptions do - local wd=d.width - if not wd then - d.width=defaultwidth - elseif trace_markwidth and wd~=0 and d.class=="mark" then - report_otf("mark %a with width %b found in %a",d.name or "<noname>",wd,basename) - end - setmetatable(d,mt) + for _,d in next,descriptions do + local bb,wd=d.boundingbox,d.width + if not wd then + d.width=defaultwidth + elseif trace_markwidth and wd~=0 and d.class=="mark" then + report_otf("mark %a with width %b found in %a",d.name or "<noname>",wd,basename) end - else - for _,d in next,descriptions do - local bb,wd=d.boundingbox,d.width - if not wd then - d.width=defaultwidth - elseif trace_markwidth and wd~=0 and d.class=="mark" then - report_otf("mark %a with width %b found in %a",d.name or "<noname>",wd,basename) - end - if bb then - local ht,dp=bb[4],-bb[2] - if ht==0 or ht<0 then - else - d.height=ht - end - if dp==0 or dp<0 then - else - d.depth=dp - end + if bb then + local ht,dp=bb[4],-bb[2] + if ht==0 or ht<0 then + else + d.height=ht + end + if dp==0 or dp<0 then + else + d.depth=dp end end end @@ -7249,13 +7628,13 @@ actions["prepare glyphs"]=function(data,filename,raw) local glyph=cidglyphs[index] if glyph then local unicode=glyph.unicode -if unicode>=0x00E000 and unicode<=0x00F8FF then + if unicode>=0x00E000 and unicode<=0x00F8FF then unicode=-1 -elseif unicode>=0x0F0000 and unicode<=0x0FFFFD then + elseif unicode>=0x0F0000 and unicode<=0x0FFFFD then unicode=-1 -elseif unicode>=0x100000 and unicode<=0x10FFFD then + elseif unicode>=0x100000 and unicode<=0x10FFFD then unicode=-1 -end + end local name=glyph.name or cidnames[index] if not unicode or unicode==-1 then unicode=cidunicodes[index] @@ -7451,8 +7830,8 @@ actions["add duplicates"]=function(data,filename,raw) local description=descriptions[unicode] local n=0 for _,description in next,descriptions do + local kerns=description.kerns if kerns then - local kerns=description.kerns for _,k in next,kerns do local ku=k[unicode] if ku then @@ -7746,9 +8125,14 @@ local function t_hashed(t,cache) local ti=t[i] local tih=cache[ti] if not tih then - tih={} - for i=1,#ti do - tih[ti[i]]=true + local tn=#ti + if tn==1 then + tih={ [ti[1]]=true } + else + tih={} + for i=1,tn do + tih[ti[i]]=true + end end cache[ti]=tih end @@ -7761,12 +8145,17 @@ local function t_hashed(t,cache) end local function s_hashed(t,cache) if t then - local ht={} local tf=t[1] - for i=1,#tf do - ht[i]={ [tf[i]]=true } + local nf=#tf + if nf==1 then + return { [tf[1]]=true } + else + local ht={} + for i=1,nf do + ht[i]={ [tf[i]]=true } + end + return ht end - return ht else return nil end @@ -8194,7 +8583,7 @@ actions["check glyphs"]=function(data,filename,raw) description.glyph=nil end end -local valid=(lpeg.R("\x00\x7E")-lpeg.S("(){}[]<>%/ \n\r\f\v"))^0*lpeg.P(-1) +local valid=(R("\x00\x7E")-S("(){}[]<>%/ \n\r\f\v"))^0*P(-1) local function valid_ps_name(str) return str and str~="" and #str<64 and lpegmatch(valid,str) and true or false end @@ -8248,8 +8637,17 @@ actions["check metadata"]=function(data,filename,raw) end end actions["cleanup tables"]=function(data,filename,raw) + local duplicates=data.resources.duplicates + if duplicates then + for k,v in next,duplicates do + if #v==1 then + duplicates[k]=v[1] + end + end + end data.resources.indices=nil - data.helpers=nil + data.resources.unicodes=nil + data.helpers=nil end actions["reorganize glyph lookups"]=function(data,filename,raw) local resources=data.resources @@ -8354,6 +8752,142 @@ actions["reorganize glyph anchors"]=function(data,filename,raw) end end end +local bogusname=(P("uni")+P("u"))*R("AF","09")^4+(P("index")+P("glyph")+S("Ii")*P("dentity")*P(".")^0)*R("09")^1 +local uselessname=(1-bogusname)^0*bogusname +actions["purge names"]=function(data,filename,raw) + if purge_names then + local n=0 + for u,d in next,data.descriptions do + if lpegmatch(uselessname,d.name) then + n=n+1 + d.name=nil + end + end + if n>0 then + report_otf("%s bogus names removed",n) + end + end +end +actions["compact lookups"]=function(data,filename,raw) + if not compact_lookups then + report_otf("not compacting") + return + end + local last=0 + local tags=table.setmetatableindex({}, + function(t,k) + last=last+1 + t[k]=last + return last + end + ) + local descriptions=data.descriptions + local resources=data.resources + for u,d in next,descriptions do + local slookups=d.slookups + if type(slookups)=="table" then + local s={} + for k,v in next,slookups do + s[tags[k]]=v + end + d.slookups=s + end + local mlookups=d.mlookups + if type(mlookups)=="table" then + local m={} + for k,v in next,mlookups do + m[tags[k]]=v + end + d.mlookups=m + end + local kerns=d.kerns + if type(kerns)=="table" then + local t={} + for k,v in next,kerns do + t[tags[k]]=v + end + d.kerns=t + end + end + local lookups=data.lookups + if lookups then + local l={} + for k,v in next,lookups do + local rules=v.rules + if rules then + for i=1,#rules do + local l=rules[i].lookups + if type(l)=="table" then + for i=1,#l do + l[i]=tags[l[i]] + end + end + end + end + l[tags[k]]=v + end + data.lookups=l + end + local lookups=resources.lookups + if lookups then + local l={} + for k,v in next,lookups do + local s=v.subtables + if type(s)=="table" then + for i=1,#s do + s[i]=tags[s[i]] + end + end + l[tags[k]]=v + end + resources.lookups=l + end + local sequences=resources.sequences + if sequences then + for i=1,#sequences do + local s=sequences[i] + local n=s.name + if n then + s.name=tags[n] + end + local t=s.subtables + if type(t)=="table" then + for i=1,#t do + t[i]=tags[t[i]] + end + end + end + end + local lookuptypes=resources.lookuptypes + if lookuptypes then + local l={} + for k,v in next,lookuptypes do + l[tags[k]]=v + end + resources.lookuptypes=l + end + local anchor_to_lookup=resources.anchor_to_lookup + if anchor_to_lookup then + for anchor,lookups in next,anchor_to_lookup do + local l={} + for lookup,value in next,lookups do + l[tags[lookup]]=value + end + anchor_to_lookup[anchor]=l + end + end + local lookup_to_anchor=resources.lookup_to_anchor + if lookup_to_anchor then + local l={} + for lookup,value in next,lookup_to_anchor do + l[tags[lookup]]=value + end + resources.lookup_to_anchor=l + end + tags=table.swapped(tags) + report_otf("%s lookup tags compacted",#tags) + resources.lookuptags=tags +end function otf.setfeatures(tfmdata,features) local okay=constructors.initializefeatures("otf",tfmdata,features,trace_features,report_otf) if okay then @@ -8455,8 +8989,8 @@ local function copytotfm(data,cache_id) parameters.italicangle=italicangle parameters.charwidth=charwidth parameters.charxheight=charxheight - local space=0x0020 - local emdash=0x2014 + local space=0x0020 + local emdash=0x2014 if monospaced then if descriptions[space] then spaceunits,spacer=descriptions[space].width,"space" @@ -8503,7 +9037,7 @@ local function copytotfm(data,cache_id) if charxheight then parameters.x_height=charxheight else - local x=0x78 + local x=0x0078 if x then local x=descriptions[x] if x then @@ -8559,14 +9093,23 @@ local function otftotfm(specification) if duplicates then local nofduplicates,nofduplicated=0,0 for parent,list in next,duplicates do - for i=1,#list do - local unicode=list[i] - if not descriptions[unicode] then - descriptions[unicode]=descriptions[parent] + if type(list)=="table" then + local n=#list + for i=1,n do + local unicode=list[i] + if not descriptions[unicode] then + descriptions[unicode]=descriptions[parent] + nofduplicated=nofduplicated+1 + end + end + nofduplicates=nofduplicates+n + else + if not descriptions[list] then + descriptions[list]=descriptions[parent] nofduplicated=nofduplicated+1 end + nofduplicates=nofduplicates+1 end - nofduplicates=nofduplicates+#list end if trace_otf and nofduplicated~=nofduplicates then report_otf("%i extra duplicates copied out of %i",nofduplicated,nofduplicates) @@ -8697,7 +9240,7 @@ if not modules then modules={} end modules ['font-otb']={ } local concat=table.concat local format,gmatch,gsub,find,match,lower,strip=string.format,string.gmatch,string.gsub,string.find,string.match,string.lower,string.strip -local type,next,tonumber,tostring=type,next,tonumber,tostring +local type,next,tonumber,tostring,rawget=type,next,tonumber,tostring,rawget local lpegmatch=lpeg.match local utfchar=utf.char local trace_baseinit=false trackers.register("otf.baseinit",function(v) trace_baseinit=v end) @@ -8744,36 +9287,36 @@ local function gref(descriptions,n) return "<error in base mode tracing>" end end -local function cref(feature,lookupname) +local function cref(feature,lookuptags,lookupname) if lookupname then - return formatters["feature %a, lookup %a"](feature,lookupname) + return formatters["feature %a, lookup %a"](feature,lookuptags[lookupname]) else return formatters["feature %a"](feature) end end -local function report_alternate(feature,lookupname,descriptions,unicode,replacement,value,comment) +local function report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,comment) report_prepare("%s: base alternate %s => %s (%S => %S)", - cref(feature,lookupname), + cref(feature,lookuptags,lookupname), gref(descriptions,unicode), replacement and gref(descriptions,replacement), value, comment) end -local function report_substitution(feature,lookupname,descriptions,unicode,substitution) +local function report_substitution(feature,lookuptags,lookupname,descriptions,unicode,substitution) report_prepare("%s: base substitution %s => %S", - cref(feature,lookupname), + cref(feature,lookuptags,lookupname), gref(descriptions,unicode), gref(descriptions,substitution)) end -local function report_ligature(feature,lookupname,descriptions,unicode,ligature) +local function report_ligature(feature,lookuptags,lookupname,descriptions,unicode,ligature) report_prepare("%s: base ligature %s => %S", - cref(feature,lookupname), + cref(feature,lookuptags,lookupname), gref(descriptions,ligature), gref(descriptions,unicode)) end -local function report_kern(feature,lookupname,descriptions,unicode,otherunicode,value) +local function report_kern(feature,lookuptags,lookupname,descriptions,unicode,otherunicode,value) report_prepare("%s: base kern %s + %s => %S", - cref(feature,lookupname), + cref(feature,lookuptags,lookupname), gref(descriptions,unicode), gref(descriptions,otherunicode), value) @@ -8810,7 +9353,7 @@ local function finalize_ligatures(tfmdata,ligatures) local characters=tfmdata.characters local descriptions=tfmdata.descriptions local resources=tfmdata.resources - local unicodes=resources.unicodes + local unicodes=resources.unicodes local private=resources.private local alldone=false while not alldone do @@ -8846,12 +9389,12 @@ local function finalize_ligatures(tfmdata,ligatures) local secondname=firstname.."_"..secondcode if i==size-1 then target=unicode - if not unicodes[secondname] then + if not rawget(unicodes,secondname) then unicodes[secondname]=unicode end okay=true else - target=unicodes[secondname] + target=rawget(unicodes,secondname) if not target then break end @@ -8887,16 +9430,18 @@ local function finalize_ligatures(tfmdata,ligatures) end end resources.private=private + return true end end local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplist) local characters=tfmdata.characters local descriptions=tfmdata.descriptions local resources=tfmdata.resources + local properties=tfmdata.properties local changed=tfmdata.changed - local unicodes=resources.unicodes local lookuphash=resources.lookuphash local lookuptypes=resources.lookuptypes + local lookuptags=resources.lookuptags local ligatures={} local alternate=tonumber(value) or true and 1 local defaultalt=otf.defaultbasealternate @@ -8904,39 +9449,39 @@ local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplis local trace_alternatives=trace_baseinit and trace_alternatives local trace_ligatures=trace_baseinit and trace_ligatures local actions={ - substitution=function(lookupdata,lookupname,description,unicode) + substitution=function(lookupdata,lookuptags,lookupname,description,unicode) if trace_singles then - report_substitution(feature,lookupname,descriptions,unicode,lookupdata) + report_substitution(feature,lookuptags,lookupname,descriptions,unicode,lookupdata) end changed[unicode]=lookupdata end, - alternate=function(lookupdata,lookupname,description,unicode) + alternate=function(lookupdata,lookuptags,lookupname,description,unicode) local replacement=lookupdata[alternate] if replacement then changed[unicode]=replacement if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,"normal") + report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,"normal") end elseif defaultalt=="first" then replacement=lookupdata[1] changed[unicode]=replacement if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,defaultalt) + report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,defaultalt) end elseif defaultalt=="last" then replacement=lookupdata[#data] if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,defaultalt) + report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,defaultalt) end else if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,"unknown") + report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,"unknown") end end end, - ligature=function(lookupdata,lookupname,description,unicode) + ligature=function(lookupdata,lookuptags,lookupname,description,unicode) if trace_ligatures then - report_ligature(feature,lookupname,descriptions,unicode,lookupdata) + report_ligature(feature,lookuptags,lookupname,descriptions,unicode,lookupdata) end ligatures[#ligatures+1]={ unicode,lookupdata } end, @@ -8952,7 +9497,7 @@ local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplis local lookuptype=lookuptypes[lookupname] local action=actions[lookuptype] if action then - action(lookupdata,lookupname,description,unicode) + action(lookupdata,lookuptags,lookupname,description,unicode) end end end @@ -8967,22 +9512,24 @@ local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplis local action=actions[lookuptype] if action then for i=1,#lookuplist do - action(lookuplist[i],lookupname,description,unicode) + action(lookuplist[i],lookuptags,lookupname,description,unicode) end end end end end end - finalize_ligatures(tfmdata,ligatures) + properties.hasligatures=finalize_ligatures(tfmdata,ligatures) end local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist) local characters=tfmdata.characters local descriptions=tfmdata.descriptions local resources=tfmdata.resources - local unicodes=resources.unicodes + local properties=tfmdata.properties + local lookuptags=resources.lookuptags local sharedkerns={} local traceindeed=trace_baseinit and trace_kerns + local haskerns=false for unicode,character in next,characters do local description=descriptions[unicode] local rawkerns=description.kerns @@ -9004,13 +9551,13 @@ local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist newkerns={ [otherunicode]=value } done=true if traceindeed then - report_kern(feature,lookup,descriptions,unicode,otherunicode,value) + report_kern(feature,lookuptags,lookup,descriptions,unicode,otherunicode,value) end elseif not newkerns[otherunicode] then newkerns[otherunicode]=value done=true if traceindeed then - report_kern(feature,lookup,descriptions,unicode,otherunicode,value) + report_kern(feature,lookuptags,lookup,descriptions,unicode,otherunicode,value) end end end @@ -9019,12 +9566,14 @@ local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist if done then sharedkerns[rawkerns]=newkerns character.kerns=newkerns + haskerns=true else sharedkerns[rawkerns]=false end end end end + properties.haskerns=haskerns end basemethods.independent={ preparesubstitutions=preparesubstitutions, @@ -9050,13 +9599,13 @@ local function make_1(present,tree,name) end end end -local function make_2(present,tfmdata,characters,tree,name,preceding,unicode,done,lookupname) +local function make_2(present,tfmdata,characters,tree,name,preceding,unicode,done,lookuptags,lookupname) for k,v in next,tree do if k=="ligature" then local character=characters[preceding] if not character then if trace_baseinit then - report_prepare("weird ligature in lookup %a, current %C, preceding %C",lookupname,v,preceding) + report_prepare("weird ligature in lookup %a, current %C, preceding %C",lookuptags[lookupname],v,preceding) end character=makefake(tfmdata,name,present) end @@ -9077,7 +9626,7 @@ local function make_2(present,tfmdata,characters,tree,name,preceding,unicode,don else local code=present[name] or unicode local name=name.."_"..k - make_2(present,tfmdata,characters,v,name,code,k,done,lookupname) + make_2(present,tfmdata,characters,v,name,code,k,done,lookuptags,lookupname) end end end @@ -9088,6 +9637,7 @@ local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplis local changed=tfmdata.changed local lookuphash=resources.lookuphash local lookuptypes=resources.lookuptypes + local lookuptags=resources.lookuptags local ligatures={} local alternate=tonumber(value) or true and 1 local defaultalt=otf.defaultbasealternate @@ -9101,7 +9651,7 @@ local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplis for unicode,data in next,lookupdata do if lookuptype=="substitution" then if trace_singles then - report_substitution(feature,lookupname,descriptions,unicode,data) + report_substitution(feature,lookuptags,lookupname,descriptions,unicode,data) end changed[unicode]=data elseif lookuptype=="alternate" then @@ -9109,28 +9659,28 @@ local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplis if replacement then changed[unicode]=replacement if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,"normal") + report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,"normal") end elseif defaultalt=="first" then replacement=data[1] changed[unicode]=replacement if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,defaultalt) + report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,defaultalt) end elseif defaultalt=="last" then replacement=data[#data] if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,defaultalt) + report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,defaultalt) end else if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,"unknown") + report_alternate(feature,lookuptags,lookupname,descriptions,unicode,replacement,value,"unknown") end end elseif lookuptype=="ligature" then ligatures[#ligatures+1]={ unicode,data,lookupname } if trace_ligatures then - report_ligature(feature,lookupname,descriptions,unicode,data) + report_ligature(feature,lookuptags,lookupname,descriptions,unicode,data) end end end @@ -9148,7 +9698,7 @@ local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplis for i=1,nofligatures do local ligature=ligatures[i] local unicode,tree,lookupname=ligature[1],ligature[2],ligature[3] - make_2(present,tfmdata,characters,tree,"ctx_"..unicode,unicode,unicode,done,lookupname) + make_2(present,tfmdata,characters,tree,"ctx_"..unicode,unicode,unicode,done,lookuptags,lookupname) end end end @@ -9156,7 +9706,9 @@ local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist local characters=tfmdata.characters local descriptions=tfmdata.descriptions local resources=tfmdata.resources + local properties=tfmdata.properties local lookuphash=resources.lookuphash + local lookuptags=resources.lookuptags local traceindeed=trace_baseinit and trace_kerns for l=1,#lookuplist do local lookupname=lookuplist[l] @@ -9172,7 +9724,7 @@ local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist for otherunicode,kern in next,data do if not kerns[otherunicode] and kern~=0 then kerns[otherunicode]=kern - report_kern(feature,lookup,descriptions,unicode,otherunicode,kern) + report_kern(feature,lookuptags,lookup,descriptions,unicode,otherunicode,kern) end end else @@ -9285,11 +9837,24 @@ local injections=nodes.injections local nodecodes=nodes.nodecodes local glyph_code=nodecodes.glyph local kern_code=nodecodes.kern -local nodepool=nodes.pool +local nuts=nodes.nuts +local nodepool=nuts.pool local newkern=nodepool.kern -local traverse_id=node.traverse_id -local insert_node_before=node.insert_before -local insert_node_after=node.insert_after +local tonode=nuts.tonode +local tonut=nuts.tonut +local getfield=nuts.getfield +local getnext=nuts.getnext +local getprev=nuts.getprev +local getid=nuts.getid +local getattr=nuts.getattr +local getfont=nuts.getfont +local getsubtype=nuts.getsubtype +local getchar=nuts.getchar +local setfield=nuts.setfield +local setattr=nuts.setattr +local traverse_id=nuts.traverse_id +local insert_node_before=nuts.insert_before +local insert_node_after=nuts.insert_after local a_kernpair=attributes.private('kernpair') local a_ligacomp=attributes.private('ligacomp') local a_markbase=attributes.private('markbase') @@ -9298,31 +9863,40 @@ local a_markdone=attributes.private('markdone') local a_cursbase=attributes.private('cursbase') local a_curscurs=attributes.private('curscurs') local a_cursdone=attributes.private('cursdone') +local unsetvalue=attributes.unsetvalue function injections.installnewkern(nk) newkern=nk or newkern end local cursives={} local marks={} local kerns={} +function injections.reset(n) +end +function injections.setligaindex(n,index) + setattr(n,a_ligacomp,index) +end +function injections.getligaindex(n,default) + return getattr(n,a_ligacomp) or default +end function injections.setcursive(start,nxt,factor,rlmode,exit,entry,tfmstart,tfmnext) local dx,dy=factor*(exit[1]-entry[1]),factor*(exit[2]-entry[2]) local ws,wn=tfmstart.width,tfmnext.width local bound=#cursives+1 - start[a_cursbase]=bound - nxt[a_curscurs]=bound + setattr(start,a_cursbase,bound) + setattr(nxt,a_curscurs,bound) cursives[bound]={ rlmode,dx,dy,ws,wn } return dx,dy,bound end function injections.setpair(current,factor,rlmode,r2lflag,spec,tfmchr) local x,y,w,h=factor*spec[1],factor*spec[2],factor*spec[3],factor*spec[4] if x~=0 or w~=0 or y~=0 or h~=0 then - local bound=current[a_kernpair] + local bound=getattr(current,a_kernpair) if bound then local kb=kerns[bound] kb[2],kb[3],kb[4],kb[5]=(kb[2] or 0)+x,(kb[3] or 0)+y,(kb[4] or 0)+w,(kb[5] or 0)+h else bound=#kerns+1 - current[a_kernpair]=bound + setattr(current,a_kernpair,bound) kerns[bound]={ rlmode,x,y,w,h,r2lflag,tfmchr.width } end return x,y,w,h,bound @@ -9333,7 +9907,7 @@ function injections.setkern(current,factor,rlmode,x,tfmchr) local dx=factor*x if dx~=0 then local bound=#kerns+1 - current[a_kernpair]=bound + setattr(current,a_kernpair,bound) kerns[bound]={ rlmode,dx } return dx,bound else @@ -9342,25 +9916,25 @@ function injections.setkern(current,factor,rlmode,x,tfmchr) end function injections.setmark(start,base,factor,rlmode,ba,ma) local dx,dy=factor*(ba[1]-ma[1]),factor*(ba[2]-ma[2]) - local bound=base[a_markbase] + local bound=getattr(base,a_markbase) local index=1 if bound then local mb=marks[bound] if mb then index=#mb+1 mb[index]={ dx,dy,rlmode } - start[a_markmark]=bound - start[a_markdone]=index + setattr(start,a_markmark,bound) + setattr(start,a_markdone,index) return dx,dy,bound else - report_injections("possible problem, %U is base mark without data (id %a)",base.char,bound) + report_injections("possible problem, %U is base mark without data (id %a)",getchar(base),bound) end end index=index or 1 bound=#marks+1 - base[a_markbase]=bound - start[a_markmark]=bound - start[a_markdone]=index + setattr(base,a_markbase,bound) + setattr(start,a_markmark,bound) + setattr(start,a_markdone,index) marks[bound]={ [index]={ dx,dy,rlmode } } return dx,dy,bound end @@ -9370,15 +9944,15 @@ end local function trace(head) report_injections("begin run") for n in traverse_id(glyph_code,head) do - if n.subtype<256 then - local kp=n[a_kernpair] - local mb=n[a_markbase] - local mm=n[a_markmark] - local md=n[a_markdone] - local cb=n[a_cursbase] - local cc=n[a_curscurs] - local char=n.char - report_injections("font %s, char %U, glyph %c",n.font,char,char) + if getsubtype(n)<256 then + local kp=getattr(n,a_kernpair) + local mb=getattr(n,a_markbase) + local mm=getattr(n,a_markmark) + local md=getattr(n,a_markdone) + local cb=getattr(n,a_cursbase) + local cc=getattr(n,a_curscurs) + local char=getchar(n) + report_injections("font %s, char %U, glyph %c",getfont(n),char,char) if kp then local k=kerns[kp] if k[3] then @@ -9419,21 +9993,23 @@ local function show_result(head) local current=head local skipping=false while current do - local id=current.id + local id=getid(current) if id==glyph_code then - report_injections("char: %C, width %p, xoffset %p, yoffset %p",current.char,current.width,current.xoffset,current.yoffset) + report_injections("char: %C, width %p, xoffset %p, yoffset %p", + getchar(current),getfield(current,"width"),getfield(current,"xoffset"),getfield(current,"yoffset")) skipping=false elseif id==kern_code then - report_injections("kern: %p",current.kern) + report_injections("kern: %p",getfield(current,"kern")) skipping=false elseif not skipping then report_injections() skipping=true end - current=current.next + current=getnext(current) end end function injections.handler(head,where,keep) + head=tonut(head) local has_marks,has_cursives,has_kerns=next(marks),next(cursives),next(kerns) if has_marks or has_cursives then if trace_injections then @@ -9443,17 +10019,18 @@ function injections.handler(head,where,keep) if has_kerns then local nf,tm=nil,nil for n in traverse_id(glyph_code,head) do - if n.subtype<256 then + if getsubtype(n)<256 then nofvalid=nofvalid+1 valid[nofvalid]=n - if n.font~=nf then - nf=n.font - tm=fontdata[nf].resources.marks + local f=getfont(n) + if f~=nf then + nf=f + tm=fontdata[nf].resources.marks end if tm then - mk[n]=tm[n.char] + mk[n]=tm[getchar(n)] end - local k=n[a_kernpair] + local k=getattr(n,a_kernpair) if k then local kk=kerns[k] if kk then @@ -9473,15 +10050,16 @@ function injections.handler(head,where,keep) else local nf,tm=nil,nil for n in traverse_id(glyph_code,head) do - if n.subtype<256 then + if getsubtype(n)<256 then nofvalid=nofvalid+1 valid[nofvalid]=n - if n.font~=nf then - nf=n.font - tm=fontdata[nf].resources.marks + local f=getfont(n) + if f~=nf then + nf=f + tm=fontdata[nf].resources.marks end if tm then - mk[n]=tm[n.char] + mk[n]=tm[getchar(n)] end end end @@ -9490,7 +10068,7 @@ function injections.handler(head,where,keep) local cx={} if has_kerns and next(ky) then for n,k in next,ky do - n.yoffset=k + setfield(n,"yoffset",k) end end if has_cursives then @@ -9499,9 +10077,9 @@ function injections.handler(head,where,keep) for i=1,nofvalid do local n=valid[i] if not mk[n] then - local n_cursbase=n[a_cursbase] + local n_cursbase=getattr(n,a_cursbase) if p_cursbase then - local n_curscurs=n[a_curscurs] + local n_curscurs=getattr(n,a_curscurs) if p_cursbase==n_curscurs then local c=cursives[n_curscurs] if c then @@ -9524,20 +10102,20 @@ function injections.handler(head,where,keep) end end elseif maxt>0 then - local ny=n.yoffset + local ny=getfield(n,"yoffset") for i=maxt,1,-1 do ny=ny+d[i] local ti=t[i] - ti.yoffset=ti.yoffset+ny + setfield(ti,"yoffset",getfield(ti,"yoffset")+ny) end maxt=0 end if not n_cursbase and maxt>0 then - local ny=n.yoffset + local ny=getfield(n,"yoffset") for i=maxt,1,-1 do ny=ny+d[i] local ti=t[i] - ti.yoffset=ny + setfield(ti,"yoffset",ny) end maxt=0 end @@ -9545,11 +10123,11 @@ function injections.handler(head,where,keep) end end if maxt>0 then - local ny=n.yoffset + local ny=getfield(n,"yoffset") for i=maxt,1,-1 do ny=ny+d[i] local ti=t[i] - ti.yoffset=ny + setfield(ti,"yoffset",ny) end maxt=0 end @@ -9560,57 +10138,66 @@ function injections.handler(head,where,keep) if has_marks then for i=1,nofvalid do local p=valid[i] - local p_markbase=p[a_markbase] + local p_markbase=getattr(p,a_markbase) if p_markbase then local mrks=marks[p_markbase] local nofmarks=#mrks - for n in traverse_id(glyph_code,p.next) do - local n_markmark=n[a_markmark] + for n in traverse_id(glyph_code,getnext(p)) do + local n_markmark=getattr(n,a_markmark) if p_markbase==n_markmark then - local index=n[a_markdone] or 1 + local index=getattr(n,a_markdone) or 1 local d=mrks[index] if d then local rlmode=d[3] local k=wx[p] + local px=getfield(p,"xoffset") + local ox=0 if k then local x=k[2] local w=k[4] if w then if rlmode and rlmode>=0 then - n.xoffset=p.xoffset-p.width+d[1]-(w-x) + ox=px-getfield(p,"width")+d[1]-(w-x) else - n.xoffset=p.xoffset-d[1]-x + ox=px-d[1]-x end else if rlmode and rlmode>=0 then - n.xoffset=p.xoffset-p.width+d[1] + ox=px-getfield(p,"width")+d[1] else - n.xoffset=p.xoffset-d[1]-x + ox=px-d[1]-x end end else + local wp=getfield(p,"width") + local wn=getfield(n,"width") if rlmode and rlmode>=0 then - n.xoffset=p.xoffset-p.width+d[1] + ox=px-wp+d[1] else - n.xoffset=p.xoffset-d[1] + ox=px-d[1] end - local w=n.width - if w~=0 then - insert_node_before(head,n,newkern(-w/2)) - insert_node_after(head,n,newkern(-w/2)) + if wn~=0 then + insert_node_before(head,n,newkern(-wn/2)) + insert_node_after(head,n,newkern(-wn/2)) end end + setfield(n,"xoffset",ox) + local py=getfield(p,"yoffset") + local oy=0 if mk[p] then - n.yoffset=p.yoffset+d[2] + oy=py+d[2] else - n.yoffset=n.yoffset+p.yoffset+d[2] + oy=getfield(n,"yoffset")+py+d[2] end + setfield(n,"yoffset",oy) if nofmarks==1 then break else nofmarks=nofmarks-1 end end + elseif not n_markmark then + break else end end @@ -9662,7 +10249,7 @@ function injections.handler(head,where,keep) if not keep then kerns={} end - return head,true + return tonode(head),true elseif not keep then kerns,cursives,marks={},{},{} end @@ -9671,14 +10258,14 @@ function injections.handler(head,where,keep) trace(head) end for n in traverse_id(glyph_code,head) do - if n.subtype<256 then - local k=n[a_kernpair] + if getsubtype(n)<256 then + local k=getattr(n,a_kernpair) if k then local kk=kerns[k] if kk then local rl,x,y,w=kk[1],kk[2] or 0,kk[3],kk[4] if y and y~=0 then - n.yoffset=y + setfield(n,"yoffset",y) end if w then local wx=w-x @@ -9709,17 +10296,17 @@ function injections.handler(head,where,keep) if not keep then kerns={} end - return head,true + return tonode(head),true else end - return head,false + return tonode(head),false end end -- closure do -- begin closure to overcome local limits and interference -if not modules then modules={} end modules ['font-ota']={ +if not modules then modules={} end modules ['font-otx']={ version=1.001, comment="companion to font-otf.lua (analysing)", author="Hans Hagen, PRAGMA-ADE, Hasselt NL", @@ -9738,13 +10325,24 @@ analyzers.initializers=initializers analyzers.methods=methods analyzers.useunicodemarks=false local a_state=attributes.private('state') +local nuts=nodes.nuts +local tonut=nuts.tonut +local getfield=nuts.getfield +local getnext=nuts.getnext +local getprev=nuts.getprev +local getid=nuts.getid +local getprop=nuts.getprop +local setprop=nuts.setprop +local getfont=nuts.getfont +local getsubtype=nuts.getsubtype +local getchar=nuts.getchar +local traverse_id=nuts.traverse_id +local traverse_node_list=nuts.traverse +local end_of_math=nuts.end_of_math local nodecodes=nodes.nodecodes local glyph_code=nodecodes.glyph local disc_code=nodecodes.disc local math_code=nodecodes.math -local traverse_id=node.traverse_id -local traverse_node_list=node.traverse -local end_of_math=node.end_of_math local fontdata=fonts.hashes.identifiers local categories=characters and characters.categories or {} local otffeatures=fonts.constructors.newfeatures("otf") @@ -9786,51 +10384,52 @@ function analyzers.setstate(head,font) local tfmdata=fontdata[font] local descriptions=tfmdata.descriptions local first,last,current,n,done=nil,nil,head,0,false + current=tonut(current) while current do - local id=current.id - if id==glyph_code and current.font==font then + local id=getid(current) + if id==glyph_code and getfont(current)==font then done=true - local char=current.char + local char=getchar(current) local d=descriptions[char] if d then if d.class=="mark" or (useunicodemarks and categories[char]=="mn") then done=true - current[a_state]=s_mark + setprop(current,a_state,s_mark) elseif n==0 then first,last,n=current,current,1 - current[a_state]=s_init + setprop(current,a_state,s_init) else last,n=current,n+1 - current[a_state]=s_medi + setprop(current,a_state,s_medi) end else if first and first==last then - last[a_state]=s_isol + setprop(last,a_state,s_isol) elseif last then - last[a_state]=s_fina + setprop(last,a_state,s_fina) end first,last,n=nil,nil,0 end elseif id==disc_code then - current[a_state]=s_medi + setprop(current,a_state,s_medi) last=current else if first and first==last then - last[a_state]=s_isol + setprop(last,a_state,s_isol) elseif last then - last[a_state]=s_fina + setprop(last,a_state,s_fina) end first,last,n=nil,nil,0 if id==math_code then current=end_of_math(current) end end - current=current.next + current=getnext(current) end if first and first==last then - last[a_state]=s_isol + setprop(last,a_state,s_isol) elseif last then - last[a_state]=s_fina + setprop(last,a_state,s_fina) end return head,done end @@ -9978,7 +10577,7 @@ local medial={ } local arab_warned={} local function warning(current,what) - local char=current.char + local char=getchar(current) if not arab_warned[char] then log.report("analyze","arab: character %C has no %a class",char,what) arab_warned[char]=true @@ -9987,30 +10586,30 @@ end local function finish(first,last) if last then if first==last then - local fc=first.char + local fc=getchar(first) if medial[fc] or final[fc] then - first[a_state]=s_isol + setprop(first,a_state,s_isol) else warning(first,"isol") - first[a_state]=s_error + setprop(first,a_state,s_error) end else - local lc=last.char + local lc=getchar(last) if medial[lc] or final[lc] then - last[a_state]=s_fina + setprop(last,a_state,s_fina) else warning(last,"fina") - last[a_state]=s_error + setprop(last,a_state,s_error) end end first,last=nil,nil elseif first then - local fc=first.char + local fc=getchar(first) if medial[fc] or final[fc] then - first[a_state]=s_isol + setprop(first,a_state,s_isol) else warning(first,"isol") - first[a_state]=s_error + setprop(first,a_state,s_error) end first=nil end @@ -10021,38 +10620,39 @@ function methods.arab(head,font,attr) local tfmdata=fontdata[font] local marks=tfmdata.resources.marks local first,last,current,done=nil,nil,head,false + current=tonut(current) while current do - local id=current.id - if id==glyph_code and current.font==font and current.subtype<256 and not current[a_state] then + local id=getid(current) + if id==glyph_code and getfont(current)==font and getsubtype(current)<256 and not getprop(current,a_state) then done=true - local char=current.char + local char=getchar(current) if marks[char] or (useunicodemarks and categories[char]=="mn") then - current[a_state]=s_mark + setprop(current,a_state,s_mark) elseif isolated[char] then first,last=finish(first,last) - current[a_state]=s_isol + setprop(current,a_state,s_isol) first,last=nil,nil elseif not first then if medial[char] then - current[a_state]=s_init + setprop(current,a_state,s_init) first,last=first or current,current elseif final[char] then - current[a_state]=s_isol + setprop(current,a_state,s_isol) first,last=nil,nil else first,last=finish(first,last) end elseif medial[char] then first,last=first or current,current - current[a_state]=s_medi + setprop(current,a_state,s_medi) elseif final[char] then - if not last[a_state]==s_init then - last[a_state]=s_medi + if getprop(last,a_state)~=s_init then + setprop(last,a_state,s_medi) end - current[a_state]=s_fina + setprop(current,a_state,s_fina) first,last=nil,nil elseif char>=0x0600 and char<=0x06FF then - current[a_state]=s_rest + setprop(current,a_state,s_rest) first,last=finish(first,last) else first,last=finish(first,last) @@ -10065,7 +10665,7 @@ function methods.arab(head,font,attr) current=end_of_math(current) end end - current=current.next + current=getnext(current) end if first or last then finish(first,last) @@ -10129,12 +10729,27 @@ registertracker("otf.positions","otf.marks,otf.kerns,otf.cursive") registertracker("otf.actions","otf.replacements,otf.positions") registertracker("otf.injections","nodes.injections") registertracker("*otf.sample","otf.steps,otf.actions,otf.analyzing") -local insert_node_after=node.insert_after -local delete_node=nodes.delete -local copy_node=node.copy -local find_node_tail=node.tail or node.slide -local flush_node_list=node.flush_list -local end_of_math=node.end_of_math +local nuts=nodes.nuts +local tonode=nuts.tonode +local tonut=nuts.tonut +local getfield=nuts.getfield +local setfield=nuts.setfield +local getnext=nuts.getnext +local getprev=nuts.getprev +local getid=nuts.getid +local getattr=nuts.getattr +local setattr=nuts.setattr +local getprop=nuts.getprop +local setprop=nuts.setprop +local getfont=nuts.getfont +local getsubtype=nuts.getsubtype +local getchar=nuts.getchar +local insert_node_after=nuts.insert_after +local delete_node=nuts.delete +local copy_node=nuts.copy +local find_node_tail=nuts.tail +local flush_node_list=nuts.flush_list +local end_of_math=nuts.end_of_math local setmetatableindex=table.setmetatableindex local zwnj=0x200C local zwj=0x200D @@ -10155,22 +10770,16 @@ local discretionary_code=disccodes.discretionary local ligature_code=glyphcodes.ligature local privateattribute=attributes.private local a_state=privateattribute('state') -local a_markbase=privateattribute('markbase') -local a_markmark=privateattribute('markmark') -local a_markdone=privateattribute('markdone') -local a_cursbase=privateattribute('cursbase') -local a_curscurs=privateattribute('curscurs') -local a_cursdone=privateattribute('cursdone') -local a_kernpair=privateattribute('kernpair') -local a_ligacomp=privateattribute('ligacomp') +local a_cursbase=privateattribute('cursbase') local injections=nodes.injections local setmark=injections.setmark local setcursive=injections.setcursive local setkern=injections.setkern local setpair=injections.setpair -local markonce=true +local resetinjection=injections.reset +local setligaindex=injections.setligaindex +local getligaindex=injections.getligaindex local cursonce=true -local kernonce=true local fonthashes=fonts.hashes local fontdata=fonthashes.identifiers local otffeatures=fonts.constructors.newfeatures("otf") @@ -10186,6 +10795,7 @@ local currentfont=false local lookuptable=false local anchorlookups=false local lookuptypes=false +local lookuptags=false local handlers={} local rlmode=0 local featurevalue=false @@ -10230,98 +10840,101 @@ local function gref(n) end local function cref(kind,chainname,chainlookupname,lookupname,index) if index then - return formatters["feature %a, chain %a, sub %a, lookup %a, index %a"](kind,chainname,chainlookupname,lookupname,index) + return formatters["feature %a, chain %a, sub %a, lookup %a, index %a"](kind,chainname,chainlookupname,lookuptags[lookupname],index) elseif lookupname then - return formatters["feature %a, chain %a, sub %a, lookup %a"](kind,chainname,chainlookupname,lookupname) + return formatters["feature %a, chain %a, sub %a, lookup %a"](kind,chainname,chainlookupname,lookuptags[lookupname]) elseif chainlookupname then - return formatters["feature %a, chain %a, sub %a"](kind,chainname,chainlookupname) + return formatters["feature %a, chain %a, sub %a"](kind,lookuptags[chainname],lookuptags[chainlookupname]) elseif chainname then - return formatters["feature %a, chain %a"](kind,chainname) + return formatters["feature %a, chain %a"](kind,lookuptags[chainname]) else return formatters["feature %a"](kind) end end local function pref(kind,lookupname) - return formatters["feature %a, lookup %a"](kind,lookupname) + return formatters["feature %a, lookup %a"](kind,lookuptags[lookupname]) end local function copy_glyph(g) - local components=g.components + local components=getfield(g,"components") if components then - g.components=nil + setfield(g,"components",nil) local n=copy_node(g) - g.components=components + setfield(g,"components",components) return n else return copy_node(g) end end local function markstoligature(kind,lookupname,head,start,stop,char) - if start==stop and start.char==char then + if start==stop and getchar(start)==char then return head,start else - local prev=start.prev - local next=stop.next - start.prev=nil - stop.next=nil + local prev=getprev(start) + local next=getnext(stop) + setfield(start,"prev",nil) + setfield(stop,"next",nil) local base=copy_glyph(start) if head==start then head=base end - base.char=char - base.subtype=ligature_code - base.components=start + resetinjection(base) + setfield(base,"char",char) + setfield(base,"subtype",ligature_code) + setfield(base,"components",start) if prev then - prev.next=base + setfield(prev,"next",base) end if next then - next.prev=base + setfield(next,"prev",base) end - base.next=next - base.prev=prev + setfield(base,"next",next) + setfield(base,"prev",prev) return head,base end end local function getcomponentindex(start) - if start.id~=glyph_code then + if getid(start)~=glyph_code then return 0 - elseif start.subtype==ligature_code then + elseif getsubtype(start)==ligature_code then local i=0 - local components=start.components + local components=getfield(start,"components") while components do i=i+getcomponentindex(components) - components=components.next + components=getnext(components) end return i - elseif not marks[start.char] then + elseif not marks[getchar(start)] then return 1 else return 0 end end local function toligature(kind,lookupname,head,start,stop,char,markflag,discfound) - if start==stop and start.char==char then - start.char=char + if start==stop and getchar(start)==char then + resetinjection(start) + setfield(start,"char",char) return head,start end - local prev=start.prev - local next=stop.next - start.prev=nil - stop.next=nil + local prev=getprev(start) + local next=getnext(stop) + setfield(start,"prev",nil) + setfield(stop,"next",nil) local base=copy_glyph(start) if start==head then head=base end - base.char=char - base.subtype=ligature_code - base.components=start + resetinjection(base) + setfield(base,"char",char) + setfield(base,"subtype",ligature_code) + setfield(base,"components",start) if prev then - prev.next=base + setfield(prev,"next",base) end if next then - next.prev=base + setfield(next,"prev",base) end - base.next=next - base.prev=prev + setfield(base,"next",next) + setfield(base,"prev",prev) if not discfound then local deletemarks=markflag~="mark" local components=start @@ -10330,42 +10943,43 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun local head=base local current=base while start do - local char=start.char + local char=getchar(start) if not marks[char] then baseindex=baseindex+componentindex componentindex=getcomponentindex(start) elseif not deletemarks then - start[a_ligacomp]=baseindex+(start[a_ligacomp] or componentindex) + setligaindex(start,baseindex+getligaindex(start,componentindex)) if trace_marks then - logwarning("%s: keep mark %s, gets index %s",pref(kind,lookupname),gref(char),start[a_ligacomp]) + logwarning("%s: keep mark %s, gets index %s",pref(kind,lookupname),gref(char),getligaindex(start)) end head,current=insert_node_after(head,current,copy_node(start)) elseif trace_marks then logwarning("%s: delete mark %s",pref(kind,lookupname),gref(char)) end - start=start.next + start=getnext(start) end - local start=current.next - while start and start.id==glyph_code do - local char=start.char + local start=getnext(current) + while start and getid(start)==glyph_code do + local char=getchar(start) if marks[char] then - start[a_ligacomp]=baseindex+(start[a_ligacomp] or componentindex) + setligaindex(start,baseindex+getligaindex(start,componentindex)) if trace_marks then - logwarning("%s: set mark %s, gets index %s",pref(kind,lookupname),gref(char),start[a_ligacomp]) + logwarning("%s: set mark %s, gets index %s",pref(kind,lookupname),gref(char),getligaindex(start)) end else break end - start=start.next + start=getnext(start) end end return head,base end function handlers.gsub_single(head,start,kind,lookupname,replacement) if trace_singles then - logprocess("%s: replacing %s by single %s",pref(kind,lookupname),gref(start.char),gref(replacement)) + logprocess("%s: replacing %s by single %s",pref(kind,lookupname),gref(getchar(start)),gref(replacement)) end - start.char=replacement + resetinjection(start) + setfield(start,"char",replacement) return head,start,true end local function get_alternative_glyph(start,alternatives,value,trace_alternatives) @@ -10391,7 +11005,7 @@ local function get_alternative_glyph(start,alternatives,value,trace_alternatives return false,trace_alternatives and formatters["invalid value %a, %s"](value,"out of range") end elseif value==0 then - return start.char,trace_alternatives and formatters["invalid value %a, %s"](value,"no change") + return getchar(start),trace_alternatives and formatters["invalid value %a, %s"](value,"no change") elseif value<1 then return alternatives[1],trace_alternatives and formatters["invalid value %a, taking %a"](value,1) else @@ -10402,25 +11016,27 @@ end local function multiple_glyphs(head,start,multiple,ignoremarks) local nofmultiples=#multiple if nofmultiples>0 then - start.char=multiple[1] + resetinjection(start) + setfield(start,"char",multiple[1]) if nofmultiples>1 then - local sn=start.next + local sn=getnext(start) for k=2,nofmultiples do local n=copy_node(start) - n.char=multiple[k] - n.next=sn - n.prev=start + resetinjection(n) + setfield(n,"char",multiple[k]) + setfield(n,"next",sn) + setfield(n,"prev",start) if sn then - sn.prev=n + setfield(sn,"prev",n) end - start.next=n + setfield(start,"next",n) start=n end end return head,start,true else if trace_multiples then - logprocess("no multiple for %s",gref(start.char)) + logprocess("no multiple for %s",gref(getchar(start))) end return head,start,false end @@ -10430,34 +11046,35 @@ function handlers.gsub_alternate(head,start,kind,lookupname,alternative,sequence local choice,comment=get_alternative_glyph(start,alternative,value,trace_alternatives) if choice then if trace_alternatives then - logprocess("%s: replacing %s by alternative %a to %s, %s",pref(kind,lookupname),gref(start.char),choice,gref(choice),comment) + logprocess("%s: replacing %s by alternative %a to %s, %s",pref(kind,lookupname),gref(getchar(start)),choice,gref(choice),comment) end - start.char=choice + resetinjection(start) + setfield(start,"char",choice) else if trace_alternatives then - logwarning("%s: no variant %a for %s, %s",pref(kind,lookupname),value,gref(start.char),comment) + logwarning("%s: no variant %a for %s, %s",pref(kind,lookupname),value,gref(getchar(start)),comment) end end return head,start,true end function handlers.gsub_multiple(head,start,kind,lookupname,multiple,sequence) if trace_multiples then - logprocess("%s: replacing %s by multiple %s",pref(kind,lookupname),gref(start.char),gref(multiple)) + logprocess("%s: replacing %s by multiple %s",pref(kind,lookupname),gref(getchar(start)),gref(multiple)) end return multiple_glyphs(head,start,multiple,sequence.flags[1]) end function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence) - local s,stop,discfound=start.next,nil,false - local startchar=start.char + local s,stop,discfound=getnext(start),nil,false + local startchar=getchar(start) if marks[startchar] then while s do - local id=s.id - if id==glyph_code and s.font==currentfont and s.subtype<256 then - local lg=ligature[s.char] + local id=getid(s) + if id==glyph_code and getfont(s)==currentfont and getsubtype(s)<256 then + local lg=ligature[getchar(s)] if lg then stop=s ligature=lg - s=s.next + s=getnext(s) else break end @@ -10469,9 +11086,9 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence) local lig=ligature.ligature if lig then if trace_ligatures then - local stopchar=stop.char + local stopchar=getchar(stop) head,start=markstoligature(kind,lookupname,head,start,stop,lig) - logprocess("%s: replacing %s upto %s by ligature %s case 1",pref(kind,lookupname),gref(startchar),gref(stopchar),gref(start.char)) + logprocess("%s: replacing %s upto %s by ligature %s case 1",pref(kind,lookupname),gref(startchar),gref(stopchar),gref(getchar(start))) else head,start=markstoligature(kind,lookupname,head,start,stop,lig) end @@ -10482,18 +11099,18 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence) else local skipmark=sequence.flags[1] while s do - local id=s.id - if id==glyph_code and s.subtype<256 then - if s.font==currentfont then - local char=s.char + local id=getid(s) + if id==glyph_code and getsubtype(s)<256 then + if getfont(s)==currentfont then + local char=getchar(s) if skipmark and marks[char] then - s=s.next + s=getnext(s) else local lg=ligature[char] if lg then stop=s ligature=lg - s=s.next + s=getnext(s) else break end @@ -10503,7 +11120,7 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence) end elseif id==disc_code then discfound=true - s=s.next + s=getnext(s) else break end @@ -10512,36 +11129,36 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence) if lig then if stop then if trace_ligatures then - local stopchar=stop.char + local stopchar=getchar(stop) head,start=toligature(kind,lookupname,head,start,stop,lig,skipmark,discfound) - logprocess("%s: replacing %s upto %s by ligature %s case 2",pref(kind,lookupname),gref(startchar),gref(stopchar),gref(start.char)) + logprocess("%s: replacing %s upto %s by ligature %s case 2",pref(kind,lookupname),gref(startchar),gref(stopchar),gref(getchar(start))) else head,start=toligature(kind,lookupname,head,start,stop,lig,skipmark,discfound) end - return head,start,true else - start.char=lig + resetinjection(start) + setfield(start,"char",lig) if trace_ligatures then logprocess("%s: replacing %s by (no real) ligature %s case 3",pref(kind,lookupname),gref(startchar),gref(lig)) end - return head,start,true end + return head,start,true else end end return head,start,false end function handlers.gpos_mark2base(head,start,kind,lookupname,markanchors,sequence) - local markchar=start.char + local markchar=getchar(start) if marks[markchar] then - local base=start.prev - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - local basechar=base.char + local base=getprev(start) + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + local basechar=getchar(base) if marks[basechar] then while true do - base=base.prev - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - basechar=base.char + base=getprev(base) + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + basechar=getchar(base) if not marks[basechar] then break end @@ -10565,7 +11182,7 @@ function handlers.gpos_mark2base(head,start,kind,lookupname,markanchors,sequence if al[anchor] then local ma=markanchors[anchor] if ma then - local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma) + local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,characters[basechar]) if trace_marks then logprocess("%s, anchor %s, bound %s: anchoring mark %s to basechar %s => (%p,%p)", pref(kind,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy) @@ -10590,16 +11207,16 @@ function handlers.gpos_mark2base(head,start,kind,lookupname,markanchors,sequence return head,start,false end function handlers.gpos_mark2ligature(head,start,kind,lookupname,markanchors,sequence) - local markchar=start.char + local markchar=getchar(start) if marks[markchar] then - local base=start.prev - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - local basechar=base.char + local base=getprev(start) + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + local basechar=getchar(base) if marks[basechar] then while true do - base=base.prev - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - basechar=base.char + base=getprev(base) + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + basechar=getchar(base) if not marks[basechar] then break end @@ -10611,7 +11228,7 @@ function handlers.gpos_mark2ligature(head,start,kind,lookupname,markanchors,sequ end end end - local index=start[a_ligacomp] + local index=getligaindex(start) local baseanchors=descriptions[basechar] if baseanchors then baseanchors=baseanchors.anchors @@ -10625,7 +11242,7 @@ function handlers.gpos_mark2ligature(head,start,kind,lookupname,markanchors,sequ if ma then ba=ba[index] if ba then - local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma) + local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,characters[basechar]) if trace_marks then logprocess("%s, anchor %s, index %s, bound %s: anchoring mark %s to baselig %s at index %s => (%p,%p)", pref(kind,lookupname),anchor,index,bound,gref(markchar),gref(basechar),index,dx,dy) @@ -10656,22 +11273,22 @@ function handlers.gpos_mark2ligature(head,start,kind,lookupname,markanchors,sequ return head,start,false end function handlers.gpos_mark2mark(head,start,kind,lookupname,markanchors,sequence) - local markchar=start.char + local markchar=getchar(start) if marks[markchar] then - local base=start.prev - local slc=start[a_ligacomp] + local base=getprev(start) + local slc=getligaindex(start) if slc then while base do - local blc=base[a_ligacomp] + local blc=getligaindex(base) if blc and blc~=slc then - base=base.prev + base=getprev(base) else break end end end - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - local basechar=base.char + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + local basechar=getchar(base) local baseanchors=descriptions[basechar] if baseanchors then baseanchors=baseanchors.anchors @@ -10683,7 +11300,7 @@ function handlers.gpos_mark2mark(head,start,kind,lookupname,markanchors,sequence if al[anchor] then local ma=markanchors[anchor] if ma then - local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,true) + local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,characters[basechar]) if trace_marks then logprocess("%s, anchor %s, bound %s: anchoring mark %s to basemark %s => (%p,%p)", pref(kind,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy) @@ -10709,20 +11326,20 @@ function handlers.gpos_mark2mark(head,start,kind,lookupname,markanchors,sequence return head,start,false end function handlers.gpos_cursive(head,start,kind,lookupname,exitanchors,sequence) - local alreadydone=cursonce and start[a_cursbase] + local alreadydone=cursonce and getprop(start,a_cursbase) if not alreadydone then local done=false - local startchar=start.char + local startchar=getchar(start) if marks[startchar] then if trace_cursive then logprocess("%s: ignoring cursive for mark %s",pref(kind,lookupname),gref(startchar)) end else - local nxt=start.next - while not done and nxt and nxt.id==glyph_code and nxt.font==currentfont and nxt.subtype<256 do - local nextchar=nxt.char + local nxt=getnext(start) + while not done and nxt and getid(nxt)==glyph_code and getfont(nxt)==currentfont and getsubtype(nxt)<256 do + local nextchar=getchar(nxt) if marks[nextchar] then - nxt=nxt.next + nxt=getnext(nxt) else local entryanchors=descriptions[nextchar] if entryanchors then @@ -10756,13 +11373,13 @@ function handlers.gpos_cursive(head,start,kind,lookupname,exitanchors,sequence) return head,start,done else if trace_cursive and trace_details then - logprocess("%s, cursive %s is already done",pref(kind,lookupname),gref(start.char),alreadydone) + logprocess("%s, cursive %s is already done",pref(kind,lookupname),gref(getchar(start)),alreadydone) end return head,start,false end end function handlers.gpos_single(head,start,kind,lookupname,kerns,sequence) - local startchar=start.char + local startchar=getchar(start) local dx,dy,w,h=setpair(start,tfmdata.parameters.factor,rlmode,sequence.flags[4],kerns,characters[startchar]) if trace_kerns then logprocess("%s: shifting single %s by (%p,%p) and correction (%p,%p)",pref(kind,lookupname),gref(startchar),dx,dy,w,h) @@ -10770,33 +11387,33 @@ function handlers.gpos_single(head,start,kind,lookupname,kerns,sequence) return head,start,false end function handlers.gpos_pair(head,start,kind,lookupname,kerns,sequence) - local snext=start.next + local snext=getnext(start) if not snext then return head,start,false else local prev,done=start,false local factor=tfmdata.parameters.factor local lookuptype=lookuptypes[lookupname] - while snext and snext.id==glyph_code and snext.font==currentfont and snext.subtype<256 do - local nextchar=snext.char + while snext and getid(snext)==glyph_code and getfont(snext)==currentfont and getsubtype(snext)<256 do + local nextchar=getchar(snext) local krn=kerns[nextchar] if not krn and marks[nextchar] then prev=snext - snext=snext.next + snext=getnext(snext) else if not krn then elseif type(krn)=="table" then if lookuptype=="pair" then local a,b=krn[2],krn[3] if a and #a>0 then - local startchar=start.char + local startchar=getchar(start) local x,y,w,h=setpair(start,factor,rlmode,sequence.flags[4],a,characters[startchar]) if trace_kerns then logprocess("%s: shifting first of pair %s and %s by (%p,%p) and correction (%p,%p)",pref(kind,lookupname),gref(startchar),gref(nextchar),x,y,w,h) end end if b and #b>0 then - local startchar=start.char + local startchar=getchar(start) local x,y,w,h=setpair(snext,factor,rlmode,sequence.flags[4],b,characters[nextchar]) if trace_kerns then logprocess("%s: shifting second of pair %s and %s by (%p,%p) and correction (%p,%p)",pref(kind,lookupname),gref(startchar),gref(nextchar),x,y,w,h) @@ -10809,7 +11426,7 @@ function handlers.gpos_pair(head,start,kind,lookupname,kerns,sequence) elseif krn~=0 then local k=setkern(snext,factor,rlmode,krn) if trace_kerns then - logprocess("%s: inserting kern %s between %s and %s",pref(kind,lookupname),k,gref(prev.char),gref(nextchar)) + logprocess("%s: inserting kern %s between %s and %s",pref(kind,lookupname),k,gref(getchar(prev)),gref(nextchar)) end done=true end @@ -10844,13 +11461,14 @@ function chainmores.chainsub(head,start,stop,kind,chainname,currentcontext,looku return head,start,false end function chainprocs.reversesub(head,start,stop,kind,chainname,currentcontext,lookuphash,replacements) - local char=start.char + local char=getchar(start) local replacement=replacements[char] if replacement then if trace_singles then logprocess("%s: single reverse replacement of %s by %s",cref(kind,chainname),gref(char),gref(replacement)) end - start.char=replacement + resetinjection(start) + setfield(start,"char",replacement) return head,start,true else return head,start,false @@ -10863,8 +11481,8 @@ function chainprocs.gsub_single(head,start,stop,kind,chainname,currentcontext,lo logwarning("todo: check if we need to loop over the replacements: %s",concat(subtables," ")) end while current do - if current.id==glyph_code then - local currentchar=current.char + if getid(current)==glyph_code then + local currentchar=getchar(current) local lookupname=subtables[1] local replacement=lookuphash[lookupname] if not replacement then @@ -10881,21 +11499,22 @@ function chainprocs.gsub_single(head,start,stop,kind,chainname,currentcontext,lo if trace_singles then logprocess("%s: replacing single %s by %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(currentchar),gref(replacement)) end - current.char=replacement + resetinjection(current) + setfield(current,"char",replacement) end end return head,start,true elseif current==stop then break else - current=current.next + current=getnext(current) end end return head,start,false end chainmores.gsub_single=chainprocs.gsub_single function chainprocs.gsub_multiple(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname) - local startchar=start.char + local startchar=getchar(start) local subtables=currentlookup.subtables local lookupname=subtables[1] local replacements=lookuphash[lookupname] @@ -10924,8 +11543,8 @@ function chainprocs.gsub_alternate(head,start,stop,kind,chainname,currentcontext local subtables=currentlookup.subtables local value=featurevalue==true and tfmdata.shared.features[kind] or featurevalue while current do - if current.id==glyph_code then - local currentchar=current.char + if getid(current)==glyph_code then + local currentchar=getchar(current) local lookupname=subtables[1] local alternatives=lookuphash[lookupname] if not alternatives then @@ -10940,7 +11559,8 @@ function chainprocs.gsub_alternate(head,start,stop,kind,chainname,currentcontext if trace_alternatives then logprocess("%s: replacing %s by alternative %a to %s, %s",cref(kind,chainname,chainlookupname,lookupname),gref(char),choice,gref(choice),comment) end - start.char=choice + resetinjection(start) + setfield(start,"char",choice) else if trace_alternatives then logwarning("%s: no variant %a for %s, %s",cref(kind,chainname,chainlookupname,lookupname),value,gref(char),comment) @@ -10954,14 +11574,14 @@ function chainprocs.gsub_alternate(head,start,stop,kind,chainname,currentcontext elseif current==stop then break else - current=current.next + current=getnext(current) end end return head,start,false end chainmores.gsub_alternate=chainprocs.gsub_alternate function chainprocs.gsub_ligature(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname,chainindex) - local startchar=start.char + local startchar=getchar(start) local subtables=currentlookup.subtables local lookupname=subtables[1] local ligatures=lookuphash[lookupname] @@ -10976,20 +11596,20 @@ function chainprocs.gsub_ligature(head,start,stop,kind,chainname,currentcontext, logwarning("%s: no ligatures starting with %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar)) end else - local s=start.next + local s=getnext(start) local discfound=false local last=stop local nofreplacements=0 local skipmark=currentlookup.flags[1] while s do - local id=s.id + local id=getid(s) if id==disc_code then - s=s.next + s=getnext(s) discfound=true else - local schar=s.char + local schar=getchar(s) if skipmark and marks[schar] then - s=s.next + s=getnext(s) else local lg=ligatures[schar] if lg then @@ -10997,7 +11617,7 @@ function chainprocs.gsub_ligature(head,start,stop,kind,chainname,currentcontext, if s==stop then break else - s=s.next + s=getnext(s) end else break @@ -11014,7 +11634,7 @@ function chainprocs.gsub_ligature(head,start,stop,kind,chainname,currentcontext, if start==stop then logprocess("%s: replacing character %s by ligature %s case 3",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(l2)) else - logprocess("%s: replacing character %s upto %s by ligature %s case 4",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(stop.char),gref(l2)) + logprocess("%s: replacing character %s upto %s by ligature %s case 4",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(getchar(stop)),gref(l2)) end end head,start=toligature(kind,lookupname,head,start,stop,l2,currentlookup.flags[1],discfound) @@ -11023,7 +11643,7 @@ function chainprocs.gsub_ligature(head,start,stop,kind,chainname,currentcontext, if start==stop then logwarning("%s: replacing character %s by ligature fails",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar)) else - logwarning("%s: replacing character %s upto %s by ligature fails",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(stop.char)) + logwarning("%s: replacing character %s upto %s by ligature fails",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(getchar(stop))) end end end @@ -11032,7 +11652,7 @@ function chainprocs.gsub_ligature(head,start,stop,kind,chainname,currentcontext, end chainmores.gsub_ligature=chainprocs.gsub_ligature function chainprocs.gpos_mark2base(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname) - local markchar=start.char + local markchar=getchar(start) if marks[markchar] then local subtables=currentlookup.subtables local lookupname=subtables[1] @@ -11041,14 +11661,14 @@ function chainprocs.gpos_mark2base(head,start,stop,kind,chainname,currentcontext markanchors=markanchors[markchar] end if markanchors then - local base=start.prev - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - local basechar=base.char + local base=getprev(start) + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + local basechar=getchar(base) if marks[basechar] then while true do - base=base.prev - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - basechar=base.char + base=getprev(base) + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + basechar=getchar(base) if not marks[basechar] then break end @@ -11069,7 +11689,7 @@ function chainprocs.gpos_mark2base(head,start,stop,kind,chainname,currentcontext if al[anchor] then local ma=markanchors[anchor] if ma then - local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma) + local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,characters[basechar]) if trace_marks then logprocess("%s, anchor %s, bound %s: anchoring mark %s to basechar %s => (%p,%p)", cref(kind,chainname,chainlookupname,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy) @@ -11095,7 +11715,7 @@ function chainprocs.gpos_mark2base(head,start,stop,kind,chainname,currentcontext return head,start,false end function chainprocs.gpos_mark2ligature(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname) - local markchar=start.char + local markchar=getchar(start) if marks[markchar] then local subtables=currentlookup.subtables local lookupname=subtables[1] @@ -11104,14 +11724,14 @@ function chainprocs.gpos_mark2ligature(head,start,stop,kind,chainname,currentcon markanchors=markanchors[markchar] end if markanchors then - local base=start.prev - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - local basechar=base.char + local base=getprev(start) + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + local basechar=getchar(base) if marks[basechar] then while true do - base=base.prev - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - basechar=base.char + base=getprev(base) + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + basechar=getchar(base) if not marks[basechar] then break end @@ -11123,7 +11743,7 @@ function chainprocs.gpos_mark2ligature(head,start,stop,kind,chainname,currentcon end end end - local index=start[a_ligacomp] + local index=getligaindex(start) local baseanchors=descriptions[basechar].anchors if baseanchors then local baseanchors=baseanchors['baselig'] @@ -11135,7 +11755,7 @@ function chainprocs.gpos_mark2ligature(head,start,stop,kind,chainname,currentcon if ma then ba=ba[index] if ba then - local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma) + local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,characters[basechar]) if trace_marks then logprocess("%s, anchor %s, bound %s: anchoring mark %s to baselig %s at index %s => (%p,%p)", cref(kind,chainname,chainlookupname,lookupname),anchor,a or bound,gref(markchar),gref(basechar),index,dx,dy) @@ -11162,67 +11782,67 @@ function chainprocs.gpos_mark2ligature(head,start,stop,kind,chainname,currentcon return head,start,false end function chainprocs.gpos_mark2mark(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname) - local markchar=start.char + local markchar=getchar(start) if marks[markchar] then - local subtables=currentlookup.subtables - local lookupname=subtables[1] - local markanchors=lookuphash[lookupname] - if markanchors then - markanchors=markanchors[markchar] - end - if markanchors then - local base=start.prev - local slc=start[a_ligacomp] - if slc then - while base do - local blc=base[a_ligacomp] - if blc and blc~=slc then - base=base.prev - else - break - end + local subtables=currentlookup.subtables + local lookupname=subtables[1] + local markanchors=lookuphash[lookupname] + if markanchors then + markanchors=markanchors[markchar] + end + if markanchors then + local base=getprev(start) + local slc=getligaindex(start) + if slc then + while base do + local blc=getligaindex(base) + if blc and blc~=slc then + base=getprev(base) + else + break end end - if base and base.id==glyph_code and base.font==currentfont and base.subtype<256 then - local basechar=base.char - local baseanchors=descriptions[basechar].anchors + end + if base and getid(base)==glyph_code and getfont(base)==currentfont and getsubtype(base)<256 then + local basechar=getchar(base) + local baseanchors=descriptions[basechar].anchors + if baseanchors then + baseanchors=baseanchors['basemark'] if baseanchors then - baseanchors=baseanchors['basemark'] - if baseanchors then - local al=anchorlookups[lookupname] - for anchor,ba in next,baseanchors do - if al[anchor] then - local ma=markanchors[anchor] - if ma then - local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,true) - if trace_marks then - logprocess("%s, anchor %s, bound %s: anchoring mark %s to basemark %s => (%p,%p)", - cref(kind,chainname,chainlookupname,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy) - end - return head,start,true + local al=anchorlookups[lookupname] + for anchor,ba in next,baseanchors do + if al[anchor] then + local ma=markanchors[anchor] + if ma then + local dx,dy,bound=setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,characters[basechar]) + if trace_marks then + logprocess("%s, anchor %s, bound %s: anchoring mark %s to basemark %s => (%p,%p)", + cref(kind,chainname,chainlookupname,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy) end + return head,start,true end end - if trace_bugs then - logwarning("%s: no matching anchors for mark %s and basemark %s",gref(kind,chainname,chainlookupname,lookupname),gref(markchar),gref(basechar)) - end + end + if trace_bugs then + logwarning("%s: no matching anchors for mark %s and basemark %s",gref(kind,chainname,chainlookupname,lookupname),gref(markchar),gref(basechar)) end end - elseif trace_bugs then - logwarning("%s: prev node is no mark",cref(kind,chainname,chainlookupname,lookupname)) end elseif trace_bugs then - logwarning("%s: mark %s has no anchors",cref(kind,chainname,chainlookupname,lookupname),gref(markchar)) + logwarning("%s: prev node is no mark",cref(kind,chainname,chainlookupname,lookupname)) end + elseif trace_bugs then + logwarning("%s: mark %s has no anchors",cref(kind,chainname,chainlookupname,lookupname),gref(markchar)) + end elseif trace_bugs then logwarning("%s: mark %s is no mark",cref(kind,chainname,chainlookupname),gref(markchar)) end return head,start,false end function chainprocs.gpos_cursive(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname) - local alreadydone=cursonce and start[a_cursbase] + local alreadydone=cursonce and getprop(start,a_cursbase) if not alreadydone then - local startchar=start.char + local startchar=getchar(start) local subtables=currentlookup.subtables local lookupname=subtables[1] local exitanchors=lookuphash[lookupname] @@ -11236,11 +11856,11 @@ function chainprocs.gpos_cursive(head,start,stop,kind,chainname,currentcontext,l logprocess("%s: ignoring cursive for mark %s",pref(kind,lookupname),gref(startchar)) end else - local nxt=start.next - while not done and nxt and nxt.id==glyph_code and nxt.font==currentfont and nxt.subtype<256 do - local nextchar=nxt.char + local nxt=getnext(start) + while not done and nxt and getid(nxt)==glyph_code and getfont(nxt)==currentfont and getsubtype(nxt)<256 do + local nextchar=getchar(nxt) if marks[nextchar] then - nxt=nxt.next + nxt=getnext(nxt) else local entryanchors=descriptions[nextchar] if entryanchors then @@ -11274,7 +11894,7 @@ function chainprocs.gpos_cursive(head,start,stop,kind,chainname,currentcontext,l return head,start,done else if trace_cursive and trace_details then - logprocess("%s, cursive %s is already done",pref(kind,lookupname),gref(start.char),alreadydone) + logprocess("%s, cursive %s is already done",pref(kind,lookupname),gref(getchar(start)),alreadydone) end return head,start,false end @@ -11282,7 +11902,7 @@ function chainprocs.gpos_cursive(head,start,stop,kind,chainname,currentcontext,l return head,start,false end function chainprocs.gpos_single(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname,chainindex,sequence) - local startchar=start.char + local startchar=getchar(start) local subtables=currentlookup.subtables local lookupname=subtables[1] local kerns=lookuphash[lookupname] @@ -11299,9 +11919,9 @@ function chainprocs.gpos_single(head,start,stop,kind,chainname,currentcontext,lo end chainmores.gpos_single=chainprocs.gpos_single function chainprocs.gpos_pair(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname,chainindex,sequence) - local snext=start.next + local snext=getnext(start) if snext then - local startchar=start.char + local startchar=getchar(start) local subtables=currentlookup.subtables local lookupname=subtables[1] local kerns=lookuphash[lookupname] @@ -11311,26 +11931,26 @@ function chainprocs.gpos_pair(head,start,stop,kind,chainname,currentcontext,look local lookuptype=lookuptypes[lookupname] local prev,done=start,false local factor=tfmdata.parameters.factor - while snext and snext.id==glyph_code and snext.font==currentfont and snext.subtype<256 do - local nextchar=snext.char + while snext and getid(snext)==glyph_code and getfont(snext)==currentfont and getsubtype(snext)<256 do + local nextchar=getchar(snext) local krn=kerns[nextchar] if not krn and marks[nextchar] then prev=snext - snext=snext.next + snext=getnext(snext) else if not krn then elseif type(krn)=="table" then if lookuptype=="pair" then local a,b=krn[2],krn[3] if a and #a>0 then - local startchar=start.char + local startchar=getchar(start) local x,y,w,h=setpair(start,factor,rlmode,sequence.flags[4],a,characters[startchar]) if trace_kerns then logprocess("%s: shifting first of pair %s and %s by (%p,%p) and correction (%p,%p)",cref(kind,chainname,chainlookupname),gref(startchar),gref(nextchar),x,y,w,h) end end if b and #b>0 then - local startchar=start.char + local startchar=getchar(start) local x,y,w,h=setpair(snext,factor,rlmode,sequence.flags[4],b,characters[nextchar]) if trace_kerns then logprocess("%s: shifting second of pair %s and %s by (%p,%p) and correction (%p,%p)",cref(kind,chainname,chainlookupname),gref(startchar),gref(nextchar),x,y,w,h) @@ -11342,7 +11962,7 @@ function chainprocs.gpos_pair(head,start,stop,kind,chainname,currentcontext,look if a and a~=0 then local k=setkern(snext,factor,rlmode,a) if trace_kerns then - logprocess("%s: inserting first kern %s between %s and %s",cref(kind,chainname,chainlookupname),k,gref(prev.char),gref(nextchar)) + logprocess("%s: inserting first kern %s between %s and %s",cref(kind,chainname,chainlookupname),k,gref(getchar(prev)),gref(nextchar)) end end if b and b~=0 then @@ -11353,7 +11973,7 @@ function chainprocs.gpos_pair(head,start,stop,kind,chainname,currentcontext,look elseif krn~=0 then local k=setkern(snext,factor,rlmode,krn) if trace_kerns then - logprocess("%s: inserting kern %s between %s and %s",cref(kind,chainname,chainlookupname),k,gref(prev.char),gref(nextchar)) + logprocess("%s: inserting kern %s between %s and %s",cref(kind,chainname,chainlookupname),k,gref(getchar(prev)),gref(nextchar)) end done=true end @@ -11374,6 +11994,10 @@ local function show_skip(kind,chainname,char,ck,class) logwarning("%s: skipping char %s, class %a, rule %a, lookuptype %a",cref(kind,chainname),gref(char),class,ck[1],ck[2]) end end +local quit_on_no_replacement=true +directives.register("otf.chain.quitonnoreplacement",function(value) + quit_on_no_replacement=value +end) local function normal_handle_contextchain(head,start,kind,chainname,contexts,sequence,lookuphash) local flags=sequence.flags local done=false @@ -11391,7 +12015,7 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq local seq=ck[3] local s=#seq if s==1 then - match=current.id==glyph_code and current.font==currentfont and current.subtype<256 and seq[1][current.char] + match=getid(current)==glyph_code and getfont(current)==currentfont and getsubtype(current)<256 and seq[1][getchar(current)] else local f,l=ck[4],ck[5] if f==1 and f==l then @@ -11399,13 +12023,13 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq if f==l then else local n=f+1 - last=last.next + last=getnext(last) while n<=l do if last then - local id=last.id + local id=getid(last) if id==glyph_code then - if last.font==currentfont and last.subtype<256 then - local char=last.char + if getfont(last)==currentfont and getsubtype(last)<256 then + local char=getchar(last) local ccd=descriptions[char] if ccd then local class=ccd.class @@ -11414,10 +12038,10 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq if trace_skips then show_skip(kind,chainname,char,ck,class) end - last=last.next + last=getnext(last) elseif seq[n][char] then if n<l then - last=last.next + last=getnext(last) end n=n+1 else @@ -11433,7 +12057,7 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq break end elseif id==disc_code then - last=last.next + last=getnext(last) else match=false break @@ -11446,15 +12070,15 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq end end if match and f>1 then - local prev=start.prev + local prev=getprev(start) if prev then local n=f-1 while n>=1 do if prev then - local id=prev.id + local id=getid(prev) if id==glyph_code then - if prev.font==currentfont and prev.subtype<256 then - local char=prev.char + if getfont(prev)==currentfont and getsubtype(prev)<256 then + local char=getchar(prev) local ccd=descriptions[char] if ccd then local class=ccd.class @@ -11484,7 +12108,7 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq match=false break end - prev=prev.prev + prev=getprev(prev) elseif seq[n][32] then n=n -1 else @@ -11504,15 +12128,15 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq end end if match and s>l then - local current=last and last.next + local current=last and getnext(last) if current then local n=l+1 while n<=s do if current then - local id=current.id + local id=getid(current) if id==glyph_code then - if current.font==currentfont and current.subtype<256 then - local char=current.char + if getfont(current)==currentfont and getsubtype(current)<256 then + local char=getchar(current) local ccd=descriptions[char] if ccd then local class=ccd.class @@ -11542,7 +12166,7 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq match=false break end - current=current.next + current=getnext(current) elseif seq[n][32] then n=n+1 else @@ -11565,7 +12189,7 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq if match then if trace_contexts then local rule,lookuptype,f,l=ck[1],ck[2],ck[4],ck[5] - local char=start.char + local char=getchar(start) if ck[9] then logwarning("%s: rule %s matches at char %s for (%s,%s,%s) chars, lookuptype %a, %a => %a", cref(kind,chainname),rule,gref(char),f-1,l-f+1,s-l,lookuptype,ck[9],ck[10]) @@ -11596,15 +12220,15 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq end else local i=1 - repeat + while true do if skipped then while true do - local char=start.char + local char=getchar(start) local ccd=descriptions[char] if ccd then local class=ccd.class if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then - start=start.next + start=getnext(start) else break end @@ -11633,18 +12257,20 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq end end end - if start then - start=start.next + if i>nofchainlookups then + break + elseif start then + start=getnext(start) else end - until i>nofchainlookups + end end else local replacements=ck[7] if replacements then head,start,done=chainprocs.reversesub(head,start,last,kind,chainname,ck,lookuphash,replacements) else - done=true + done=quit_on_no_replacement if trace_contexts then logprocess("%s: skipping match",cref(kind,chainname)) end @@ -11715,7 +12341,7 @@ local function initialize(sequence,script,language,enabled) if features then local order=sequence.order if order then - for i=1,#order do + for i=1,#order do local kind=order[i] local valid=enabled[kind] if valid then @@ -11767,6 +12393,7 @@ local function featuresprocessor(head,font,attr) if not lookuphash then return head,false end + head=tonut(head) if trace_steps then checkstep(head) end @@ -11778,6 +12405,7 @@ local function featuresprocessor(head,font,attr) anchorlookups=resources.lookup_to_anchor lookuptable=resources.lookups lookuptypes=resources.lookuptypes + lookuptags=resources.lookuptags currentfont=font rlmode=0 local sequences=resources.sequences @@ -11799,10 +12427,10 @@ local function featuresprocessor(head,font,attr) local handler=handlers[typ] local start=find_node_tail(head) while start do - local id=start.id + local id=getid(start) if id==glyph_code then - if start.font==font and start.subtype<256 then - local a=start[0] + if getfont(start)==font and getsubtype(start)<256 then + local a=getattr(start,0) if a then a=a==attr else @@ -11813,7 +12441,7 @@ local function featuresprocessor(head,font,attr) local lookupname=subtables[i] local lookupcache=lookuphash[lookupname] if lookupcache then - local lookupmatch=lookupcache[start.char] + local lookupmatch=lookupcache[getchar(start)] if lookupmatch then head,start,success=handler(head,start,dataset[4],lookupname,lookupmatch,sequence,lookuphash,i) if success then @@ -11824,15 +12452,15 @@ local function featuresprocessor(head,font,attr) report_missing_cache(typ,lookupname) end end - if start then start=start.prev end + if start then start=getprev(start) end else - start=start.prev + start=getprev(start) end else - start=start.prev + start=getprev(start) end else - start=start.prev + start=getprev(start) end end else @@ -11850,16 +12478,16 @@ local function featuresprocessor(head,font,attr) local head=start local done=false while start do - local id=start.id - if id==glyph_code and start.font==font and start.subtype<256 then - local a=start[0] + local id=getid(start) + if id==glyph_code and getfont(start)==font and getsubtype(start)<256 then + local a=getattr(start,0) if a then - a=(a==attr) and (not attribute or start[a_state]==attribute) + a=(a==attr) and (not attribute or getprop(start,a_state)==attribute) else - a=not attribute or start[a_state]==attribute + a=not attribute or getprop(start,a_state)==attribute end if a then - local lookupmatch=lookupcache[start.char] + local lookupmatch=lookupcache[getchar(start)] if lookupmatch then local ok head,start,ok=handler(head,start,dataset[4],lookupname,lookupmatch,sequence,lookuphash,1) @@ -11867,12 +12495,12 @@ local function featuresprocessor(head,font,attr) done=true end end - if start then start=start.next end + if start then start=getnext(start) end else - start=start.next + start=getnext(start) end else - start=start.next + start=getnext(start) end end if done then @@ -11881,18 +12509,18 @@ local function featuresprocessor(head,font,attr) end end local function kerndisc(disc) - local prev=disc.prev - local next=disc.next + local prev=getprev(disc) + local next=getnext(disc) if prev and next then - prev.next=next - local a=prev[0] + setfield(prev,"next",next) + local a=getattr(prev,0) if a then - a=(a==attr) and (not attribute or prev[a_state]==attribute) + a=(a==attr) and (not attribute or getprop(prev,a_state)==attribute) else - a=not attribute or prev[a_state]==attribute + a=not attribute or getprop(prev,a_state)==attribute end if a then - local lookupmatch=lookupcache[prev.char] + local lookupmatch=lookupcache[getchar(prev)] if lookupmatch then local h,d,ok=handler(head,prev,dataset[4],lookupname,lookupmatch,sequence,lookuphash,1) if ok then @@ -11901,22 +12529,22 @@ local function featuresprocessor(head,font,attr) end end end - prev.next=disc + setfield(prev,"next",disc) end return next end while start do - local id=start.id + local id=getid(start) if id==glyph_code then - if start.font==font and start.subtype<256 then - local a=start[0] + if getfont(start)==font and getsubtype(start)<256 then + local a=getattr(start,0) if a then - a=(a==attr) and (not attribute or start[a_state]==attribute) + a=(a==attr) and (not attribute or getprop(start,a_state)==attribute) else - a=not attribute or start[a_state]==attribute + a=not attribute or getprop(start,a_state)==attribute end if a then - local lookupmatch=lookupcache[start.char] + local lookupmatch=lookupcache[getchar(start)] if lookupmatch then local ok head,start,ok=handler(head,start,dataset[4],lookupname,lookupmatch,sequence,lookuphash,1) @@ -11924,38 +12552,38 @@ local function featuresprocessor(head,font,attr) success=true end end - if start then start=start.next end + if start then start=getnext(start) end else - start=start.next + start=getnext(start) end else - start=start.next + start=getnext(start) end elseif id==disc_code then - if start.subtype==discretionary_code then - local pre=start.pre + if getsubtype(start)==discretionary_code then + local pre=getfield(start,"pre") if pre then local new=subrun(pre) - if new then start.pre=new end + if new then setfield(start,"pre",new) end end - local post=start.post + local post=getfield(start,"post") if post then local new=subrun(post) - if new then start.post=new end + if new then setfield(start,"post",new) end end - local replace=start.replace + local replace=getfield(start,"replace") if replace then local new=subrun(replace) - if new then start.replace=new end + if new then setfield(start,"replace",new) end end elseif typ=="gpos_single" or typ=="gpos_pair" then kerndisc(start) end - start=start.next + start=getnext(start) elseif id==whatsit_code then - local subtype=start.subtype + local subtype=getsubtype(start) if subtype==dir_code then - local dir=start.dir + local dir=getfield(start,"dir") if dir=="+TRT" or dir=="+TLT" then topstack=topstack+1 dirstack[topstack]=dir @@ -11974,7 +12602,7 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir) end elseif subtype==localpar_code then - local dir=start.dir + local dir=getfield(start,"dir") if dir=="TRT" then rlparmode=-1 elseif dir=="TLT" then @@ -11987,11 +12615,11 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode) end end - start=start.next + start=getnext(start) elseif id==math_code then - start=end_of_math(start).next + start=getnext(end_of_math(start)) else - start=start.next + start=getnext(start) end end end @@ -12000,20 +12628,20 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then local head=start local done=false while start do - local id=start.id - if id==glyph_code and start.id==font and start.subtype<256 then - local a=start[0] + local id=getid(start) + if id==glyph_code and getfont(start)==font and getsubtype(start)<256 then + local a=getattr(start,0) if a then - a=(a==attr) and (not attribute or start[a_state]==attribute) + a=(a==attr) and (not attribute or getprop(start,a_state)==attribute) else - a=not attribute or start[a_state]==attribute + a=not attribute or getprop(start,a_state)==attribute end if a then for i=1,ns do local lookupname=subtables[i] local lookupcache=lookuphash[lookupname] if lookupcache then - local lookupmatch=lookupcache[start.char] + local lookupmatch=lookupcache[getchar(start)] if lookupmatch then local ok head,start,ok=handler(head,start,dataset[4],lookupname,lookupmatch,sequence,lookuphash,i) @@ -12028,12 +12656,12 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then report_missing_cache(typ,lookupname) end end - if start then start=start.next end + if start then start=getnext(start) end else - start=start.next + start=getnext(start) end else - start=start.next + start=getnext(start) end end if done then @@ -12042,22 +12670,22 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then end end local function kerndisc(disc) - local prev=disc.prev - local next=disc.next + local prev=getprev(disc) + local next=getnext(disc) if prev and next then - prev.next=next - local a=prev[0] + setfield(prev,"next",next) + local a=getattr(prev,0) if a then - a=(a==attr) and (not attribute or prev[a_state]==attribute) + a=(a==attr) and (not attribute or getprop(prev,a_state)==attribute) else - a=not attribute or prev[a_state]==attribute + a=not attribute or getprop(prev,a_state)==attribute end if a then for i=1,ns do local lookupname=subtables[i] local lookupcache=lookuphash[lookupname] if lookupcache then - local lookupmatch=lookupcache[prev.char] + local lookupmatch=lookupcache[getchar(prev)] if lookupmatch then local h,d,ok=handler(head,prev,dataset[4],lookupname,lookupmatch,sequence,lookuphash,i) if ok then @@ -12070,26 +12698,26 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then end end end - prev.next=disc + setfield(prev,"next",disc) end return next end while start do - local id=start.id + local id=getid(start) if id==glyph_code then - if start.font==font and start.subtype<256 then - local a=start[0] + if getfont(start)==font and getsubtype(start)<256 then + local a=getattr(start,0) if a then - a=(a==attr) and (not attribute or start[a_state]==attribute) + a=(a==attr) and (not attribute or getprop(start,a_state)==attribute) else - a=not attribute or start[a_state]==attribute + a=not attribute or getprop(start,a_state)==attribute end if a then for i=1,ns do local lookupname=subtables[i] local lookupcache=lookuphash[lookupname] if lookupcache then - local lookupmatch=lookupcache[start.char] + local lookupmatch=lookupcache[getchar(start)] if lookupmatch then local ok head,start,ok=handler(head,start,dataset[4],lookupname,lookupmatch,sequence,lookuphash,i) @@ -12104,38 +12732,38 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then report_missing_cache(typ,lookupname) end end - if start then start=start.next end + if start then start=getnext(start) end else - start=start.next + start=getnext(start) end else - start=start.next + start=getnext(start) end elseif id==disc_code then - if start.subtype==discretionary_code then - local pre=start.pre + if getsubtype(start)==discretionary_code then + local pre=getfield(start,"pre") if pre then local new=subrun(pre) - if new then start.pre=new end + if new then setfield(start,"pre",new) end end - local post=start.post + local post=getfield(start,"post") if post then local new=subrun(post) - if new then start.post=new end + if new then setfield(start,"post",new) end end - local replace=start.replace + local replace=getfield(start,"replace") if replace then local new=subrun(replace) - if new then start.replace=new end + if new then setfield(start,"replace",new) end end elseif typ=="gpos_single" or typ=="gpos_pair" then kerndisc(start) end - start=start.next + start=getnext(start) elseif id==whatsit_code then - local subtype=start.subtype + local subtype=getsubtype(start) if subtype==dir_code then - local dir=start.dir + local dir=getfield(start,"dir") if dir=="+TRT" or dir=="+TLT" then topstack=topstack+1 dirstack[topstack]=dir @@ -12154,7 +12782,7 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir) end elseif subtype==localpar_code then - local dir=start.dir + local dir=getfield(start,"dir") if dir=="TRT" then rlparmode=-1 elseif dir=="TLT" then @@ -12167,11 +12795,11 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode) end end - start=start.next + start=getnext(start) elseif id==math_code then - start=end_of_math(start).next + start=getnext(end_of_math(start)) else - start=start.next + start=getnext(start) end end end @@ -12183,6 +12811,7 @@ elseif typ=="gpos_single" or typ=="gpos_pair" then registerstep(head) end end + head=tonode(head) return head,done end local function generic(lookupdata,lookupname,unicode,lookuphash) @@ -12309,6 +12938,7 @@ local function prepare_contextchains(tfmdata) local rawdata=tfmdata.shared.rawdata local resources=rawdata.resources local lookuphash=resources.lookuphash + local lookuptags=resources.lookuptags local lookups=rawdata.lookups if lookups then for lookupname,lookupdata in next,rawdata.lookups do @@ -12321,7 +12951,7 @@ local function prepare_contextchains(tfmdata) if not validformat then report_prepare("unsupported format %a",format) elseif not validformat[lookuptype] then - report_prepare("unsupported format %a, lookuptype %a, lookupname %a",format,lookuptype,lookupname) + report_prepare("unsupported format %a, lookuptype %a, lookupname %a",format,lookuptype,lookuptags[lookupname]) else local contexts=lookuphash[lookupname] if not contexts then @@ -12370,7 +13000,7 @@ local function prepare_contextchains(tfmdata) else end else - report_prepare("missing lookuptype for lookupname %a",lookupname) + report_prepare("missing lookuptype for lookupname %a",lookuptags[lookupname]) end end end @@ -13242,6 +13872,7 @@ if otf.enhancers.register then otf.enhancers.register("unpack",unpackdata) end otf.enhancers.unpack=unpackdata +otf.enhancers.pack=packdata end -- closure @@ -13597,8 +14228,8 @@ function definers.read(specification,size,id) elseif trace_defining and type(tfmdata)=="table" then local properties=tfmdata.properties or {} local parameters=tfmdata.parameters or {} - report_defining("using %s font with id %a, name %a, size %a, bytes %a, encoding %a, fullname %a, filename %a", - properties.format,id,properties.name,parameters.size,properties.encodingbytes, + report_defining("using %a font with id %a, name %a, size %a, bytes %a, encoding %a, fullname %a, filename %a", + properties.format or "unknown",id,properties.name,parameters.size,properties.encodingbytes, properties.encodingname,properties.fullname,file.basename(properties.filename)) end statistics.stoptiming(fonts) @@ -13929,13 +14560,20 @@ local fonts=fonts local nodes=nodes local traverse_id=node.traverse_id local glyph_code=nodes.nodecodes.glyph +local ligaturing=node.ligaturing +local kerning=node.kerning +function node.ligaturing() texio.write_nl("warning: node.ligaturing is already applied") end +function node.kerning () texio.write_nl("warning: node.kerning is already applied") end function nodes.handlers.characters(head) local fontdata=fonts.hashes.identifiers if fontdata then - local usedfonts,done,prevfont={},false,nil + local usedfonts,basefonts,prevfont,basefont={},{},nil,nil for n in traverse_id(glyph_code,head) do local font=n.font if font~=prevfont then + if basefont then + basefont[2]=n.prev + end prevfont=font local used=usedfonts[font] if not used then @@ -13946,18 +14584,32 @@ function nodes.handlers.characters(head) local processors=shared.processes if processors and #processors>0 then usedfonts[font]=processors - done=true + else + basefont={ n,nil } + basefonts[#basefonts+1]=basefont end end end end end end - if done then + if next(usedfonts) then for font,processors in next,usedfonts do for i=1,#processors do - local h,d=processors[i](head,font,0) - head,done=h or head,done or d + head=processors[i](head,font,0) or head + end + end + end + if #basefonts>0 then + for i=1,#basefonts do + local range=basefonts[i] + local start,stop=range[1],range[2] + if stop then + ligaturing(start,stop) + kerning(start,stop) + else + ligaturing(start) + kerning(start) end end end @@ -13970,8 +14622,6 @@ function nodes.simple_font_handler(head) head=nodes.handlers.characters(head) nodes.injections.handler(head) nodes.handlers.protectglyphs(head) - head=node.ligaturing(head) - head=node.kerning(head) return head end |