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authorPhilipp Gesang <phg42.2a@gmail.com>2013-11-01 12:46:25 +0100
committerPhilipp Gesang <phg42.2a@gmail.com>2013-11-01 12:46:25 +0100
commit4d31ba0f8b8ed4fbd49ce190a42ccaa891517198 (patch)
tree5be0ea47acd888cb4dd72216814129b0c902772d /luaotfload-merged.lua
parent961e2948b95bb9074ff17aa2a95bf66f926ad0a9 (diff)
downloadluaotfload-4d31ba0f8b8ed4fbd49ce190a42ccaa891517198.tar.gz
[fontloader] sync with Context as of 2013-11-01
Diffstat (limited to 'luaotfload-merged.lua')
-rw-r--r--luaotfload-merged.lua975
1 files changed, 563 insertions, 412 deletions
diff --git a/luaotfload-merged.lua b/luaotfload-merged.lua
index 6e1a9c4..41ed20f 100644
--- a/luaotfload-merged.lua
+++ b/luaotfload-merged.lua
@@ -1,6 +1,6 @@
-- merged file : luatex-fonts-merged.lua
-- parent file : luatex-fonts.lua
--- merge date : 09/21/13 11:52:58
+-- merge date : 11/01/13 12:20:30
do -- begin closure to overcome local limits and interference
@@ -3400,10 +3400,12 @@ nodes.handlers={}
local nodecodes={} for k,v in next,node.types () do nodecodes[string.gsub(v,"_","")]=k end
local whatcodes={} for k,v in next,node.whatsits() do whatcodes[string.gsub(v,"_","")]=k end
local glyphcodes={ [0]="character","glyph","ligature","ghost","left","right" }
+local disccodes={ [0]="discretionary","explicit","automatic","regular","first","second" }
nodes.nodecodes=nodecodes
nodes.whatcodes=whatcodes
nodes.whatsitcodes=whatcodes
nodes.glyphcodes=glyphcodes
+nodes.disccodes=disccodes
local free_node=node.free
local remove_node=node.remove
local new_node=node.new
@@ -5074,6 +5076,9 @@ fonts.names.resolvespec=fonts.names.resolve
function fonts.names.getfilename(askedname,suffix)
return ""
end
+function fonts.names.ignoredfile(filename)
+ return false
+end
end -- closure
@@ -5238,6 +5243,7 @@ afm.syncspace=true
afm.addligatures=true
afm.addtexligatures=true
afm.addkerns=true
+local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes
local function setmode(tfmdata,value)
if value then
tfmdata.properties.mode=lower(value)
@@ -5427,7 +5433,7 @@ end
local addkerns,addligatures,addtexligatures,unify,normalize
function afm.load(filename)
filename=resolvers.findfile(filename,'afm') or ""
- if filename~="" then
+ if filename~="" and not fonts.names.ignoredfile(filename) then
local name=file.removesuffix(file.basename(filename))
local data=containers.read(afm.cache,name)
local attr=lfs.attributes(filename)
@@ -5477,6 +5483,9 @@ function afm.load(filename)
data=containers.write(afm.cache,name,data)
data=containers.read(afm.cache,name)
end
+ if applyruntimefixes and data then
+ applyruntimefixes(filename,data)
+ end
end
return data
else
@@ -6327,7 +6336,7 @@ local report_otf=logs.reporter("fonts","otf loading")
local fonts=fonts
local otf=fonts.handlers.otf
otf.glists={ "gsub","gpos" }
-otf.version=2.745
+otf.version=2.747
otf.cache=containers.define("fonts","otf",otf.version,true)
local fontdata=fonts.hashes.identifiers
local chardata=characters and characters.data
@@ -6348,11 +6357,17 @@ local syncspace=true
local forcenotdef=false
local includesubfonts=false
local overloadkerns=false
+local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes
local wildcard="*"
local default="dflt"
local fontloaderfields=fontloader.fields
local mainfields=nil
local glyphfields=nil
+local formats=fonts.formats
+formats.otf="opentype"
+formats.ttf="truetype"
+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)
@@ -6360,6 +6375,9 @@ 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)
registerdirective("fonts.otf.loader.overloadkerns",function(v) overloadkerns=v end)
+local function otf_format(filename)
+ return formats[lower(file.suffix(filename))]
+end
local function load_featurefile(raw,featurefile)
if featurefile and featurefile~="" then
if trace_loading then
@@ -6546,7 +6564,7 @@ end
function enhancers.register(what,action)
actions[what]=action
end
-function otf.load(filename,format,sub,featurefile)
+function otf.load(filename,sub,featurefile)
local base=file.basename(file.removesuffix(filename))
local name=file.removesuffix(base)
local attr=lfs.attributes(filename)
@@ -6644,7 +6662,7 @@ function otf.load(filename,format,sub,featurefile)
data={
size=size,
time=time,
- format=format,
+ format=otf_format(filename),
featuredata=featurefiles,
resources={
filename=resolvers.unresolve(filename),
@@ -6710,6 +6728,9 @@ function otf.load(filename,format,sub,featurefile)
report_otf("loading from cache using hash %a",hash)
end
enhance("unpack",data,filename,nil,false)
+ if applyruntimefixes then
+ applyruntimefixes(filename,data)
+ end
enhance("add dimensions",data,filename,nil,false)
if trace_sequences then
showfeatureorder(data,filename)
@@ -7185,14 +7206,6 @@ local g_directions={
gsub_reversecontextchain=-1,
gpos_reversecontextchain=-1,
}
-local function supported(features)
- for i=1,#features do
- if features[i].ismac then
- return false
- end
- end
- return true
-end
actions["reorganize subtables"]=function(data,filename,raw)
local resources=data.resources
local sequences={}
@@ -7206,7 +7219,6 @@ actions["reorganize subtables"]=function(data,filename,raw)
for k=1,#dw do
local gk=dw[k]
local features=gk.features
- if not features or supported(features) then
local typ=gk.type
local chain=g_directions[typ] or 0
local subtables=gk.subtables
@@ -7269,7 +7281,6 @@ actions["reorganize subtables"]=function(data,filename,raw)
markclass=markclass,
}
end
- end
end
end
end
@@ -7956,10 +7967,19 @@ local function copytotfm(data,cache_id)
end
end
end
+ local filename=constructors.checkedfilename(resources)
+ local fontname=metadata.fontname
+ local fullname=metadata.fullname or fontname
+ local units=metadata.units_per_em or 1000
+ if units==0 then
+ units=1000
+ metadata.units_per_em=1000
+ report_otf("changing %a units to %a",0,units)
+ end
local monospaced=metadata.isfixedpitch or (pfminfo.panose and pfminfo.panose.proportion=="Monospaced")
local charwidth=pfminfo.avgwidth
- local italicangle=metadata.italicangle
local charxheight=pfminfo.os2_xheight and pfminfo.os2_xheight>0 and pfminfo.os2_xheight
+ local italicangle=metadata.italicangle
properties.monospaced=monospaced
parameters.italicangle=italicangle
parameters.charwidth=charwidth
@@ -7988,15 +8008,6 @@ local function copytotfm(data,cache_id)
end
end
spaceunits=tonumber(spaceunits) or 500
- local filename=constructors.checkedfilename(resources)
- local fontname=metadata.fontname
- local fullname=metadata.fullname or fontname
- local units=metadata.units_per_em or 1000
- if units==0 then
- units=1000
- metadata.units_per_em=1000
- report_otf("changing %a units to %a",0,units)
- end
parameters.slant=0
parameters.space=spaceunits
parameters.space_stretch=units/2
@@ -8035,7 +8046,7 @@ local function copytotfm(data,cache_id)
parameters.units=units
properties.space=spacer
properties.encodingbytes=2
- properties.format=data.format or fonts.formats[filename] or "opentype"
+ properties.format=data.format or otf_format(filename) or formats.otf
properties.noglyphnames=true
properties.filename=filename
properties.fontname=fontname
@@ -8060,9 +8071,8 @@ local function otftotfm(specification)
local name=specification.name
local sub=specification.sub
local filename=specification.filename
- local format=specification.format
local features=specification.features.normal
- local rawdata=otf.load(filename,format,sub,features and features.featurefile)
+ local rawdata=otf.load(filename,sub,features and features.featurefile)
if rawdata and next(rawdata) then
rawdata.lookuphash={}
tfmdata=copytotfm(rawdata,cache_id)
@@ -8144,41 +8154,33 @@ function otf.collectlookups(rawdata,kind,script,language)
end
return nil,nil
end
-local function check_otf(forced,specification,suffix,what)
+local function check_otf(forced,specification,suffix)
local name=specification.name
if forced then
- name=file.addsuffix(name,suffix,true)
+ name=specification.forcedname
end
local fullname=findbinfile(name,suffix) or ""
if fullname=="" then
fullname=fonts.names.getfilename(name,suffix) or ""
end
- if fullname~="" then
+ if fullname~="" and not fonts.names.ignoredfile(fullname) then
specification.filename=fullname
- specification.format=what
return read_from_otf(specification)
end
end
-local function opentypereader(specification,suffix,what)
+local function opentypereader(specification,suffix)
local forced=specification.forced or ""
- if forced=="otf" then
- return check_otf(true,specification,forced,"opentype")
- elseif forced=="ttf" or forced=="ttc" or forced=="dfont" then
- return check_otf(true,specification,forced,"truetype")
+ if formats[forced] then
+ return check_otf(true,specification,forced)
else
- return check_otf(false,specification,suffix,what)
+ return check_otf(false,specification,suffix)
end
end
-readers.opentype=opentypereader
-local formats=fonts.formats
-formats.otf="opentype"
-formats.ttf="truetype"
-formats.ttc="truetype"
-formats.dfont="truetype"
-function readers.otf (specification) return opentypereader(specification,"otf",formats.otf ) end
-function readers.ttf (specification) return opentypereader(specification,"ttf",formats.ttf ) end
-function readers.ttc (specification) return opentypereader(specification,"ttf",formats.ttc ) end
-function readers.dfont(specification) return opentypereader(specification,"ttf",formats.dfont) end
+readers.opentype=opentypereader
+function readers.otf (specification) return opentypereader(specification,"otf") end
+function readers.ttf (specification) return opentypereader(specification,"ttf") end
+function readers.ttc (specification) return opentypereader(specification,"ttf") end
+function readers.dfont(specification) return opentypereader(specification,"ttf") end
function otf.scriptandlanguage(tfmdata,attr)
local properties=tfmdata.properties
return properties.script or "dflt",properties.language or "dflt"
@@ -8770,11 +8772,24 @@ 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')
@@ -8793,21 +8808,21 @@ function injections.setcursive(start,nxt,factor,rlmode,exit,entry,tfmstart,tfmne
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
@@ -8818,7 +8833,7 @@ 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
@@ -8827,25 +8842,25 @@ function injections.setkern(current,factor,rlmode,x,tfmchr)
end
function injections.setmark(start,base,factor,rlmode,ba,ma,index,baseismark)
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,baseismark } }
return dx,dy,bound
end
@@ -8855,15 +8870,15 @@ 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
@@ -8904,21 +8919,23 @@ 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
@@ -8928,17 +8945,18 @@ 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
@@ -8958,15 +8976,16 @@ 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
@@ -8975,7 +8994,7 @@ 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
@@ -8984,9 +9003,9 @@ 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
@@ -9009,20 +9028,20 @@ 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
@@ -9030,11 +9049,11 @@ 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
@@ -9045,57 +9064,66 @@ 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
@@ -9147,6 +9175,7 @@ function injections.handler(head,where,keep)
if not keep then
kerns={}
end
+head=tonode(head)
return head,true
elseif not keep then
kerns,cursives,marks={},{},{}
@@ -9156,14 +9185,14 @@ 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
@@ -9194,10 +9223,10 @@ 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
@@ -9612,12 +9641,25 @@ 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 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 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
@@ -9626,6 +9668,7 @@ local default="dflt"
local nodecodes=nodes.nodecodes
local whatcodes=nodes.whatcodes
local glyphcodes=nodes.glyphcodes
+local disccodes=nodes.disccodes
local glyph_code=nodecodes.glyph
local glue_code=nodecodes.glue
local disc_code=nodecodes.disc
@@ -9633,6 +9676,7 @@ local whatsit_code=nodecodes.whatsit
local math_code=nodecodes.math
local dir_code=whatcodes.dir
local localpar_code=whatcodes.localpar
+local discretionary_code=disccodes.discretionary
local ligature_code=glyphcodes.ligature
local privateattribute=attributes.private
local a_state=privateattribute('state')
@@ -9726,83 +9770,83 @@ local function pref(kind,lookupname)
return formatters["feature %a, lookup %a"](kind,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
+ 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
+ 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
+ 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
@@ -9811,42 +9855,42 @@ 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)
+ setattr(start,a_ligacomp,baseindex+(getattr(start,a_ligacomp) or 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),getattr(start,a_ligacomp))
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)
+ setattr(start,a_ligacomp,baseindex+(getattr(start,a_ligacomp) or 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),getattr(start,a_ligacomp))
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
+ setfield(start,"char",replacement)
return head,start,true
end
local function get_alternative_glyph(start,alternatives,value,trace_alternatives)
@@ -9872,7 +9916,7 @@ 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
@@ -9880,28 +9924,28 @@ local function get_alternative_glyph(start,alternatives,value,trace_alternatives
end
end
end
-local function multiple_glyphs(head,start,multiple)
+local function multiple_glyphs(head,start,multiple,ignoremarks)
local nofmultiples=#multiple
if nofmultiples>0 then
- start.char=multiple[1]
+ setfield(start,"char",multiple[1])
if nofmultiples>1 then
- local sn=start.next
- for k=2,nofmultiples do
+ local sn=getnext(start)
+ for k=2,nofmultiples do
local n=copy_node(start)
- n.char=multiple[k]
- n.next=sn
- n.prev=start
+ 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
@@ -9911,34 +9955,34 @@ 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
+ 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)
+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)
+ 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
@@ -9950,9 +9994,9 @@ 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
@@ -9963,18 +10007,18 @@ 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
@@ -9984,7 +10028,7 @@ 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
@@ -9993,9 +10037,9 @@ 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=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
@@ -10007,16 +10051,16 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence)
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
@@ -10065,16 +10109,16 @@ 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
@@ -10086,7 +10130,7 @@ function handlers.gpos_mark2ligature(head,start,kind,lookupname,markanchors,sequ
end
end
end
- local index=start[a_ligacomp]
+ local index=getattr(start,a_ligacomp)
local baseanchors=descriptions[basechar]
if baseanchors then
baseanchors=baseanchors.anchors
@@ -10131,22 +10175,22 @@ 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=getattr(start,a_ligacomp)
if slc then
while base do
- local blc=base[a_ligacomp]
+ local blc=getattr(base,a_ligacomp)
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
@@ -10184,20 +10228,20 @@ 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 getattr(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
@@ -10231,13 +10275,13 @@ 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)
@@ -10245,34 +10289,33 @@ 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
- local krn=kerns[nextchar]
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)
@@ -10285,7 +10328,7 @@ 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
@@ -10320,46 +10363,18 @@ 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
+ setfield(start,"char",replacement)
return head,start,true
else
return head,start,false
end
end
-local function delete_till_stop(start,stop,ignoremarks)
- local n=1
- if start==stop then
- elseif ignoremarks then
- repeat
- local next=start.next
- if not marks[next.char] then
- local components=next.components
- if components then
- flush_node_list(components)
- end
- delete_node(start,next)
- end
- n=n+1
- until next==stop
- else
- repeat
- local next=start.next
- local components=next.components
- if components then
- flush_node_list(components)
- end
- delete_node(start,next)
- n=n+1
- until next==stop
- end
- return n
-end
function chainprocs.gsub_single(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname,chainindex)
local current=start
local subtables=currentlookup.subtables
@@ -10367,8 +10382,8 @@ 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
@@ -10385,22 +10400,21 @@ 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
+ 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)
- delete_till_stop(start,stop)
- local startchar=start.char
+ local startchar=getchar(start)
local subtables=currentlookup.subtables
local lookupname=subtables[1]
local replacements=lookuphash[lookupname]
@@ -10418,7 +10432,7 @@ function chainprocs.gsub_multiple(head,start,stop,kind,chainname,currentcontext,
if trace_multiples then
logprocess("%s: replacing %s by multiple characters %s",cref(kind,chainname,chainlookupname,lookupname),gref(startchar),gref(replacements))
end
- return multiple_glyphs(head,start,replacements)
+ return multiple_glyphs(head,start,replacements,currentlookup.flags[1])
end
end
return head,start,false
@@ -10429,8 +10443,8 @@ 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
@@ -10445,7 +10459,7 @@ 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
+ 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)
@@ -10459,14 +10473,14 @@ 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]
@@ -10481,20 +10495,20 @@ 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
@@ -10502,7 +10516,7 @@ 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
@@ -10519,7 +10533,7 @@ 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)
@@ -10528,7 +10542,7 @@ 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
@@ -10537,7 +10551,7 @@ 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]
@@ -10546,14 +10560,14 @@ 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
@@ -10600,7 +10614,7 @@ 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]
@@ -10609,14 +10623,14 @@ 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
@@ -10628,7 +10642,7 @@ function chainprocs.gpos_mark2ligature(head,start,stop,kind,chainname,currentcon
end
end
end
- local index=start[a_ligacomp]
+ local index=getattr(start,a_ligacomp)
local baseanchors=descriptions[basechar].anchors
if baseanchors then
local baseanchors=baseanchors['baselig']
@@ -10667,7 +10681,7 @@ 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]
@@ -10676,20 +10690,20 @@ function chainprocs.gpos_mark2mark(head,start,stop,kind,chainname,currentcontext
markanchors=markanchors[markchar]
end
if markanchors then
- local base=start.prev
- local slc=start[a_ligacomp]
+ local base=getprev(start)
+ local slc=getattr(start,a_ligacomp)
if slc then
while base do
- local blc=base[a_ligacomp]
+ local blc=getattr(base,a_ligacomp)
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].anchors
if baseanchors then
baseanchors=baseanchors['basemark']
@@ -10725,9 +10739,9 @@ function chainprocs.gpos_mark2mark(head,start,stop,kind,chainname,currentcontext
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 getattr(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]
@@ -10741,11 +10755,11 @@ 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
@@ -10779,7 +10793,7 @@ 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
@@ -10787,7 +10801,7 @@ 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]
@@ -10802,10 +10816,11 @@ function chainprocs.gpos_single(head,start,stop,kind,chainname,currentcontext,lo
end
return head,start,false
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]
@@ -10815,26 +10830,26 @@ 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)
@@ -10846,7 +10861,7 @@ 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
@@ -10857,7 +10872,7 @@ 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
@@ -10870,6 +10885,7 @@ function chainprocs.gpos_pair(head,start,stop,kind,chainname,currentcontext,look
end
return head,start,false
end
+chainmores.gpos_pair=chainprocs.gpos_pair
local function show_skip(kind,chainname,char,ck,class)
if ck[9] then
logwarning("%s: skipping char %s, class %a, rule %a, lookuptype %a, %a => %a",cref(kind,chainname),gref(char),class,ck[1],ck[2],ck[9],ck[10])
@@ -10877,6 +10893,10 @@ 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
@@ -10894,7 +10914,7 @@ 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
@@ -10902,13 +10922,13 @@ 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
@@ -10917,10 +10937,10 @@ 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
@@ -10936,7 +10956,7 @@ 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
@@ -10949,15 +10969,15 @@ 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
@@ -10987,7 +11007,7 @@ 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
@@ -11007,15 +11027,15 @@ 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
@@ -11045,7 +11065,7 @@ 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
@@ -11068,7 +11088,7 @@ 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])
@@ -11086,7 +11106,11 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq
if chainlookup then
local cp=chainprocs[chainlookup.type]
if cp then
- head,start,done=cp(head,start,last,kind,chainname,ck,lookuphash,chainlookup,chainlookupname,nil,sequence)
+ local ok
+ head,start,ok=cp(head,start,last,kind,chainname,ck,lookuphash,chainlookup,chainlookupname,nil,sequence)
+ if ok then
+ done=true
+ end
else
logprocess("%s: %s is not yet supported",cref(kind,chainname,chainlookupname),chainlookup.type)
end
@@ -11098,12 +11122,12 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq
repeat
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
@@ -11113,22 +11137,27 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq
end
end
local chainlookupname=chainlookups[i]
- local chainlookup=lookuptable[chainlookupname]
- local cp=chainlookup and chainmores[chainlookup.type]
- if cp then
- local ok,n
- head,start,ok,n=cp(head,start,last,kind,chainname,ck,lookuphash,chainlookup,chainlookupname,i,sequence)
- if ok then
- done=true
- i=i+(n or 1)
- else
+ local chainlookup=lookuptable[chainlookupname]
+ if not chainlookup then
+ i=i+1
+ else
+ local cp=chainmores[chainlookup.type]
+ if not cp then
+ logprocess("%s: %s is not yet supported",cref(kind,chainname,chainlookupname),chainlookup.type)
i=i+1
+ else
+ local ok,n
+ head,start,ok,n=cp(head,start,last,kind,chainname,ck,lookuphash,chainlookup,chainlookupname,i,sequence)
+ if ok then
+ done=true
+ i=i+(n or 1)
+ else
+ i=i+1
+ end
end
- else
- i=i+1
end
if start then
- start=start.next
+ start=getnext(start)
else
end
until i>nofchainlookups
@@ -11138,7 +11167,7 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq
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
@@ -11255,6 +11284,7 @@ local function featuresprocessor(head,font,attr)
if not lookuphash then
return head,false
end
+ head=tonut(head)
if trace_steps then
checkstep(head)
end
@@ -11287,10 +11317,10 @@ 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
@@ -11301,7 +11331,7 @@ 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
@@ -11312,15 +11342,15 @@ 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
@@ -11334,18 +11364,52 @@ local function featuresprocessor(head,font,attr)
if not lookupcache then
report_missing_cache(typ,lookupname)
else
+ local function subrun(start)
+ local head=start
+ local done=false
+ while start do
+ 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 getattr(start,a_state)==attribute)
+ else
+ a=not attribute or getattr(start,a_state)==attribute
+ end
+ if a then
+ local lookupmatch=lookupcache[getchar(start)]
+ if lookupmatch then
+ local ok
+ head,start,ok=handler(head,start,dataset[4],lookupname,lookupmatch,sequence,lookuphash,1)
+ if ok then
+ done=true
+ end
+ end
+ if start then start=getnext(start) end
+ else
+ start=getnext(start)
+ end
+ else
+ start=getnext(start)
+ end
+ end
+ if done then
+ success=true
+ return head
+ end
+ 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 getattr(start,a_state)==attribute)
else
- a=not attribute or start[a_state]==attribute
+ a=not attribute or getattr(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)
@@ -11353,17 +11417,36 @@ 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 getsubtype(start)==discretionary_code then
+ local pre=getfield(start,"pre")
+ if pre then
+ local new=subrun(pre)
+ if new then setfield(start,"pre",new) end
+ end
+ local post=getfield(start,"post")
+ if post then
+ local new=subrun(post)
+ if new then setfield(start,"post",new) end
+ end
+ local replace=getfield(start,"replace")
+ if replace then
+ local new=subrun(replace)
+ if new then setfield(start,"replace",new) end
+ end
end
+ 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
@@ -11382,7 +11465,7 @@ local function featuresprocessor(head,font,attr)
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
@@ -11395,31 +11478,76 @@ local function featuresprocessor(head,font,attr)
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
else
+ local function subrun(start)
+ local head=start
+ local done=false
+ while start do
+ 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 getattr(start,a_state)==attribute)
+ else
+ a=not attribute or getattr(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[getchar(start)]
+ if lookupmatch then
+ local ok
+ head,start,ok=handler(head,start,dataset[4],lookupname,lookupmatch,sequence,lookuphash,i)
+ if ok then
+ done=true
+ break
+ elseif not start then
+ break
+ end
+ end
+ else
+ report_missing_cache(typ,lookupname)
+ end
+ end
+ if start then start=getnext(start) end
+ else
+ start=getnext(start)
+ end
+ else
+ start=getnext(start)
+ end
+ end
+ if done then
+ success=true
+ return head
+ end
+ 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 getattr(start,a_state)==attribute)
else
- a=not attribute or start[a_state]==attribute
+ a=not attribute or getattr(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)
@@ -11434,17 +11562,36 @@ local function featuresprocessor(head,font,attr)
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 getsubtype(start)==discretionary_code then
+ local pre=getfield(start,"pre")
+ if pre then
+ local new=subrun(pre)
+ if new then setfield(start,"pre",new) end
+ end
+ local post=getfield(start,"post")
+ if post then
+ local new=subrun(post)
+ if new then setfield(start,"post",new) end
+ end
+ local replace=getfield(start,"replace")
+ if replace then
+ local new=subrun(replace)
+ if new then setfield(start,"replace",new) end
+ end
end
+ 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
@@ -11463,7 +11610,7 @@ local function featuresprocessor(head,font,attr)
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
@@ -11476,11 +11623,11 @@ local function featuresprocessor(head,font,attr)
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
@@ -11492,6 +11639,7 @@ local function featuresprocessor(head,font,attr)
registerstep(head)
end
end
+ head=tonode(head)
return head,done
end
local function generic(lookupdata,lookupname,unicode,lookuphash)
@@ -12600,6 +12748,7 @@ if not modules then modules={} end modules ['font-def']={
local format,gmatch,match,find,lower,gsub=string.format,string.gmatch,string.match,string.find,string.lower,string.gsub
local tostring,next=tostring,next
local lpegmatch=lpeg.match
+local suffixonly,removesuffix=file.suffix,file.removesuffix
local allocate=utilities.storage.allocate
local trace_defining=false trackers .register("fonts.defining",function(v) trace_defining=v end)
local directive_embedall=false directives.register("fonts.embedall",function(v) directive_embedall=v end)
@@ -12689,10 +12838,11 @@ definers.resolvers=definers.resolvers or {}
local resolvers=definers.resolvers
function resolvers.file(specification)
local name=resolvefile(specification.name)
- local suffix=file.suffix(name)
+ local suffix=lower(suffixonly(name))
if fonts.formats[suffix] then
specification.forced=suffix
- specification.name=file.removesuffix(name)
+ specification.forcedname=name
+ specification.name=removesuffix(name)
else
specification.name=name
end
@@ -12704,10 +12854,11 @@ function resolvers.name(specification)
if resolved then
specification.resolved=resolved
specification.sub=sub
- local suffix=file.suffix(resolved)
+ local suffix=lower(suffixonly(resolved))
if fonts.formats[suffix] then
specification.forced=suffix
- specification.name=file.removesuffix(resolved)
+ specification.forcedname=resolved
+ specification.name=removesuffix(resolved)
else
specification.name=resolved
end
@@ -12723,8 +12874,9 @@ function resolvers.spec(specification)
if resolved then
specification.resolved=resolved
specification.sub=sub
- specification.forced=file.suffix(resolved)
- specification.name=file.removesuffix(resolved)
+ specification.forced=lower(suffixonly(resolved))
+ specification.forcedname=resolved
+ specification.name=removesuffix(resolved)
end
else
resolvers.name(specification)
@@ -12739,8 +12891,7 @@ function definers.resolve(specification)
end
if specification.forced=="" then
specification.forced=nil
- else
- specification.forced=specification.forced
+ specification.forcedname=nil
end
specification.hash=lower(specification.name..' @ '..constructors.hashfeatures(specification))
if specification.sub and specification.sub~="" then
@@ -12785,7 +12936,7 @@ function definers.loadfont(specification)
if not tfmdata then
local forced=specification.forced or ""
if forced~="" then
- local reader=readers[lower(forced)]
+ local reader=readers[lower(forced)]
tfmdata=reader and reader(specification)
if not tfmdata then
report_defining("forced type %a of %a not found",forced,specification.name)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 05:02:24 +0000