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authorContext Git Mirror Bot <phg42.2a@gmail.com>2014-12-03 19:15:05 +0100
committerContext Git Mirror Bot <phg42.2a@gmail.com>2014-12-03 19:15:05 +0100
commit606f30879286f37c0cf0ef42bc225e835d0d596d (patch)
tree969577a4f86a2d1e9c085bda80812ebb45c074cb /tex/generic/context/luatex/luatex-fonts-merged.lua
parent8fa06810ed0fdc14d3c45eefff9a41800a84150b (diff)
downloadcontext-606f30879286f37c0cf0ef42bc225e835d0d596d.tar.gz
2014-12-03 18:28:00
Diffstat (limited to 'tex/generic/context/luatex/luatex-fonts-merged.lua')
-rw-r--r--tex/generic/context/luatex/luatex-fonts-merged.lua1088
1 files changed, 616 insertions, 472 deletions
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index db3512e7e..031320402 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
-- merged file : luatex-fonts-merged.lua
-- parent file : luatex-fonts.lua
--- merge date : 11/26/14 21:43:54
+-- merge date : 12/03/14 18:26:33
do -- begin closure to overcome local limits and interference
@@ -3849,21 +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
@@ -3900,7 +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
@@ -9785,11 +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')
@@ -9798,31 +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
@@ -9833,7 +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
@@ -9842,25 +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
@@ -9870,15 +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
@@ -9919,21 +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
@@ -9943,17 +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
@@ -9973,15 +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
@@ -9990,7 +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
@@ -9999,9 +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
@@ -10024,20 +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
@@ -10045,11 +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
@@ -10060,57 +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
@@ -10162,7 +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
@@ -10171,14 +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
@@ -10209,17 +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",
@@ -10238,13 +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")
@@ -10286,51 +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
@@ -10478,7 +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
@@ -10487,30 +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
@@ -10521,38 +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)
@@ -10565,7 +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)
@@ -10629,12 +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
@@ -10655,22 +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")
@@ -10746,83 +10855,86 @@ local function pref(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
@@ -10831,42 +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)
@@ -10892,7 +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
@@ -10903,25 +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
@@ -10931,34 +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
@@ -10970,9 +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
@@ -10983,18 +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
@@ -11004,7 +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
@@ -11013,36 +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
@@ -11066,7 +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)
@@ -11091,16 +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
@@ -11112,7 +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
@@ -11126,7 +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)
@@ -11157,22 +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
@@ -11184,7 +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)
@@ -11210,20 +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
@@ -11257,13 +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)
@@ -11271,33 +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)
@@ -11310,7 +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
@@ -11345,13 +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
@@ -11364,8 +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
@@ -11382,21 +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]
@@ -11425,8 +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
@@ -11441,7 +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)
@@ -11455,14 +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]
@@ -11477,20 +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
@@ -11498,7 +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
@@ -11515,7 +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)
@@ -11524,7 +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
@@ -11533,7 +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]
@@ -11542,14 +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
@@ -11570,7 +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)
@@ -11596,7 +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]
@@ -11605,14 +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
@@ -11624,7 +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']
@@ -11636,7 +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)
@@ -11663,67 +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]
@@ -11737,11 +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
@@ -11775,7 +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
@@ -11783,7 +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]
@@ -11800,9 +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]
@@ -11812,26 +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)
@@ -11843,7 +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
@@ -11854,7 +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
@@ -11875,6 +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
@@ -11892,7 +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
@@ -11900,13 +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
@@ -11915,10 +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
@@ -11934,7 +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
@@ -11947,15 +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
@@ -11985,7 +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
@@ -12005,15 +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
@@ -12043,7 +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
@@ -12066,7 +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])
@@ -12100,12 +12223,12 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq
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
@@ -12137,7 +12260,7 @@ local function normal_handle_contextchain(head,start,kind,chainname,contexts,seq
if i>nofchainlookups then
break
elseif start then
- start=start.next
+ start=getnext(start)
else
end
end
@@ -12147,7 +12270,7 @@ 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
@@ -12218,7 +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
@@ -12270,6 +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
@@ -12303,10 +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
@@ -12317,7 +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
@@ -12328,15 +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
@@ -12354,16 +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)
@@ -12371,12 +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
@@ -12385,18 +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
@@ -12405,22 +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)
@@ -12428,38 +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
@@ -12478,7 +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
@@ -12491,11 +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
@@ -12504,20 +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)
@@ -12532,12 +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
@@ -12546,22 +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
@@ -12574,26 +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)
@@ -12608,38 +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
@@ -12658,7 +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
@@ -12671,11 +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
@@ -12687,6 +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)
@@ -14435,13 +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
@@ -14452,18 +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
@@ -14476,8 +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
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-05 10:06:26 +0000