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-rw-r--r--src/fontloader/runtime/fontloader-reference.lua543
1 files changed, 372 insertions, 171 deletions
diff --git a/src/fontloader/runtime/fontloader-reference.lua b/src/fontloader/runtime/fontloader-reference.lua
index ae36617..46de1d0 100644
--- a/src/fontloader/runtime/fontloader-reference.lua
+++ b/src/fontloader/runtime/fontloader-reference.lua
@@ -1,6 +1,6 @@
--- merged file : luatex-fonts-merged.lua
--- parent file : luatex-fonts.lua
--- merge date : 11/19/15 19:13:15
+-- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua
+-- parent file : c:/data/develop/context/sources/luatex-fonts.lua
+-- merge date : 12/21/15 16:29:15
do -- begin closure to overcome local limits and interference
@@ -3901,15 +3901,21 @@ end
nodes={}
nodes.pool={}
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" }
-for i=0,#glyphcodes do glyphcodes[glyphcodes[i]]=i end
-for i=0,#disccodes do disccodes [disccodes [i]]=i end
+local nodecodes={}
+local glyphcodes=node.subtypes("glyph")
+local disccodes=node.subtypes("disc")
+for k,v in next,node.types() do
+ v=string.gsub(v,"_","")
+ nodecodes[k]=v
+ nodecodes[v]=k
+end
+for i=0,#glyphcodes do
+ glyphcodes[glyphcodes[i]]=i
+end
+for i=0,#disccodes do
+ disccodes[disccodes[i]]=i
+end
nodes.nodecodes=nodecodes
-nodes.whatcodes=whatcodes
-nodes.whatsitcodes=whatcodes
nodes.glyphcodes=glyphcodes
nodes.disccodes=disccodes
local free_node=node.free
@@ -3973,7 +3979,6 @@ nodes.traverse_id=node.traverse_id
nodes.slide=node.slide
nodes.vpack=node.vpack
nodes.first_glyph=node.first_glyph
-nodes.first_character=node.first_character
nodes.has_glyph=node.has_glyph or node.first_glyph
nodes.current_attr=node.current_attr
nodes.do_ligature_n=node.do_ligature_n
@@ -4002,13 +4007,27 @@ local setfield=direct.setfield
nuts.getfield=getfield
nuts.setfield=setfield
nuts.getnext=direct.getnext
+nuts.setnext=direct.setnext
nuts.getprev=direct.getprev
+nuts.setprev=direct.setprev
+nuts.getboth=direct.getboth
+nuts.setboth=direct.setboth
nuts.getid=direct.getid
-nuts.getattr=getfield
+nuts.getattr=direct.get_attribute or direct.has_attribute or getfield
nuts.setattr=setfield
nuts.getfont=direct.getfont
+nuts.setfont=direct.setfont
nuts.getsubtype=direct.getsubtype
+nuts.setsubtype=direct.setsubtype or function(n,s) setfield(n,"subtype",s) end
nuts.getchar=direct.getchar
+nuts.setchar=direct.setchar
+nuts.getdisc=direct.getdisc
+nuts.setdisc=direct.setdisc
+nuts.setlink=direct.setlink
+nuts.getlist=direct.getlist
+nuts.setlist=direct.setlist or function(n,l) setfield(n,"list",l) end
+nuts.getleader=direct.getleader
+nuts.setleader=direct.setleader or function(n,l) setfield(n,"leader",l) end
nuts.insert_before=direct.insert_before
nuts.insert_after=direct.insert_after
nuts.delete=direct.delete
@@ -4022,6 +4041,9 @@ nuts.is_node=direct.is_node
nuts.end_of_math=direct.end_of_math
nuts.traverse=direct.traverse
nuts.traverse_id=direct.traverse_id
+nuts.traverse_char=direct.traverse_char
+nuts.ligaturing=direct.ligaturing
+nuts.kerning=direct.kerning
nuts.getprop=nuts.getattr
nuts.setprop=nuts.setattr
local new_nut=direct.new
@@ -7048,8 +7070,9 @@ local fonts=fonts
local constructors=fonts.constructors
local otf=constructors.newhandler("otf")
local otffeatures=constructors.newfeatures("otf")
-local otftables=otf.tables
local registerotffeature=otffeatures.register
+local otftables=otf.tables or {}
+otf.tables=otftables
local allocate=utilities.storage.allocate
registerotffeature {
name="features",
@@ -7113,6 +7136,64 @@ registerotffeature {
node=setscript,
}
}
+otftables.featuretypes=allocate {
+ gpos_single="position",
+ gpos_pair="position",
+ gpos_cursive="position",
+ gpos_mark2base="position",
+ gpos_mark2ligature="position",
+ gpos_mark2mark="position",
+ gpos_context="position",
+ gpos_contextchain="position",
+ gsub_single="substitution",
+ gsub_multiple="substitution",
+ gsub_alternate="substitution",
+ gsub_ligature="substitution",
+ gsub_context="substitution",
+ gsub_contextchain="substitution",
+ gsub_reversecontextchain="substitution",
+ gsub_reversesub="substitution",
+}
+function otffeatures.checkeddefaultscript(featuretype,autoscript,scripts)
+ if featuretype=="position" then
+ local default=scripts.dflt
+ if default then
+ if autoscript=="position" or autoscript==true then
+ return default
+ else
+ report_otf("script feature %s not applied, enable default positioning")
+ end
+ else
+ end
+ elseif featuretype=="substitution" then
+ local default=scripts.dflt
+ if default then
+ if autoscript=="substitution" or autoscript==true then
+ return default
+ end
+ end
+ end
+end
+function otffeatures.checkeddefaultlanguage(featuretype,autolanguage,languages)
+ if featuretype=="position" then
+ local default=languages.dflt
+ if default then
+ if autolanguage=="position" or autolanguage==true then
+ return default
+ else
+ report_otf("language feature %s not applied, enable default positioning")
+ end
+ else
+ end
+ elseif featuretype=="substitution" then
+ local default=languages.dflt
+ if default then
+ if autolanguage=="substitution" or autolanguage==true then
+ return default
+ end
+ end
+ end
+end
end -- closure
@@ -7156,7 +7237,7 @@ local report_otf=logs.reporter("fonts","otf loading")
local fonts=fonts
local otf=fonts.handlers.otf
otf.glists={ "gsub","gpos" }
-otf.version=2.819
+otf.version=2.820
otf.cache=containers.define("fonts","otf",otf.version,true)
local hashes=fonts.hashes
local definers=fonts.definers
@@ -9492,7 +9573,7 @@ otf.coverup={
kern=justset,
},
register=function(coverage,lookuptype,format,feature,n,descriptions,resources)
- local name=formatters["ctx_%s_%s"](feature,n)
+ local name=formatters["ctx_%s_%s_%s"](feature,lookuptype,n)
if lookuptype=="kern" then
resources.lookuptypes[name]="position"
else
@@ -10224,8 +10305,10 @@ function injections.resetcounts()
end
function injections.reset(n)
local p=rawget(properties,n)
- if p and rawget(p,"injections") then
- p.injections=nil
+ if p then
+ p.injections=false
+ else
+ properties[n]=false
end
end
function injections.copy(target,source)
@@ -10242,10 +10325,17 @@ function injections.copy(target,source)
injections=si,
}
end
+ elseif tp then
+ tp.injections=false
else
- if tp then
- tp.injections=nil
- end
+ properties[target]={ injections={} }
+ end
+ else
+ local tp=rawget(properties,target)
+ if tp then
+ tp.injections=false
+ else
+ properties[target]=false
end
end
end
@@ -10480,10 +10570,11 @@ local function show(n,what,nested,symbol)
local markx=i.markx or 0
local marky=i.marky or 0
local markdir=i.markdir or 0
- local markbase=i.markbase or 0
+ local markbase=i.markbase or 0
local cursivex=i.cursivex or 0
local cursivey=i.cursivey or 0
local ligaindex=i.ligaindex or 0
+ local cursbase=i.cursiveanchor
local margin=nested and 4 or 2
if rightkern~=0 or yoffset~=0 then
report_injections("%w%s pair: lx %p, rx %p, dy %p",margin,symbol,leftkern,rightkern,yoffset)
@@ -10494,7 +10585,13 @@ local function show(n,what,nested,symbol)
report_injections("%w%s mark: dx %p, dy %p, dir %s, base %s",margin,symbol,markx,marky,markdir,markbase~=0 and "yes" or "no")
end
if cursivex~=0 or cursivey~=0 then
- report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+ if cursbase then
+ report_injections("%w%s curs: base dx %p, dy %p",margin,symbol,cursivex,cursivey)
+ else
+ report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+ end
+ elseif cursbase then
+ report_injections("%w%s curs: base",margin,symbol)
end
if ligaindex~=0 then
report_injections("%w%s liga: index %i",margin,symbol,ligaindex)
@@ -11177,7 +11274,7 @@ end -- closure
do -- begin closure to overcome local limits and interference
-if not modules then modules={} end modules ['font-otx']={
+if not modules then modules={} end modules ['luatex-fonts-ota']={
version=1.001,
comment="companion to font-otf.lua (analysing)",
author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
@@ -11194,7 +11291,6 @@ local initializers=allocate()
local methods=allocate()
analyzers.initializers=initializers
analyzers.methods=methods
-analyzers.useunicodemarks=false
local a_state=attributes.private('state')
local nuts=nodes.nuts
local tonut=nuts.tonut
@@ -11250,6 +11346,7 @@ local features={
}
analyzers.states=states
analyzers.features=features
+analyzers.useunicodemarks=false
function analyzers.setstate(head,font)
local useunicodemarks=analyzers.useunicodemarks
local tfmdata=fontdata[font]
@@ -11263,7 +11360,10 @@ function analyzers.setstate(head,font)
local char=getchar(current)
local d=descriptions[char]
if d then
- if d.class=="mark" or (useunicodemarks and categories[char]=="mn") then
+ if d.class=="mark" then
+ done=true
+ setprop(current,a_state,s_mark)
+ elseif useunicodemarks and categories[char]=="mn" then
done=true
setprop(current,a_state,s_mark)
elseif n==0 then
@@ -11612,7 +11712,9 @@ local tonut=nuts.tonut
local getfield=nuts.getfield
local setfield=nuts.setfield
local getnext=nuts.getnext
+local setnext=nuts.setnext
local getprev=nuts.getprev
+local setprev=nuts.setprev
local getid=nuts.getid
local getattr=nuts.getattr
local setattr=nuts.setattr
@@ -11620,7 +11722,9 @@ local getprop=nuts.getprop
local setprop=nuts.setprop
local getfont=nuts.getfont
local getsubtype=nuts.getsubtype
+local setsubtype=nuts.setsubtype
local getchar=nuts.getchar
+local setchar=nuts.setchar
local insert_node_before=nuts.insert_before
local insert_node_after=nuts.insert_after
local delete_node=nuts.delete
@@ -11639,15 +11743,14 @@ local zwj=0x200D
local wildcard="*"
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
local math_code=nodecodes.math
-local dir_code=whatcodes.dir
-local localpar_code=whatcodes.localpar
+local dir_code=nodecodes.dir
+local localpar_code=nodecodes.localpar
local discretionary_code=disccodes.discretionary
local ligature_code=glyphcodes.ligature
local privateattribute=attributes.private
@@ -11767,8 +11870,8 @@ local function flattendisk(head,disc)
if replace then
if next then
local tail=find_node_tail(replace)
- setfield(tail,"next",next)
- setfield(next,"prev",tail)
+ setnext(tail,next)
+ setprev(next,tail)
end
return replace,replace
elseif next then
@@ -11782,17 +11885,17 @@ local function flattendisk(head,disc)
if replace then
local tail=find_node_tail(replace)
if next then
- setfield(tail,"next",next)
- setfield(next,"prev",tail)
+ setnext(tail,next)
+ setprev(next,tail)
end
- setfield(prev,"next",replace)
- setfield(replace,"prev",prev)
+ setnext(prev,replace)
+ setprev(replace,prev)
return head,replace
else
if next then
- setfield(next,"prev",prev)
+ setprev(next,prev)
end
- setfield(prev,"next",next)
+ setnext(prev,next)
return head,next
end
end
@@ -11805,14 +11908,14 @@ local function appenddisc(disc,list)
local ptail=find_node_tail(post)
local rtail=find_node_tail(replace)
if post then
- setfield(ptail,"next",phead)
- setfield(phead,"prev",ptail)
+ setnext(ptail,phead)
+ setprev(phead,ptail)
else
setfield(disc,"post",phead)
end
if replace then
- setfield(rtail,"next",rhead)
- setfield(rhead,"prev",rtail)
+ setnext(rtail,rhead)
+ setprev(rhead,rtail)
else
setfield(disc,"replace",rhead)
end
@@ -11823,24 +11926,24 @@ local function markstoligature(kind,lookupname,head,start,stop,char)
else
local prev=getprev(start)
local next=getnext(stop)
- setfield(start,"prev",nil)
- setfield(stop,"next",nil)
+ setprev(start,nil)
+ setnext(stop,nil)
local base=copy_glyph(start)
if head==start then
head=base
end
resetinjection(base)
- setfield(base,"char",char)
- setfield(base,"subtype",ligature_code)
+ setchar(base,char)
+ setsubtype(base,ligature_code)
setfield(base,"components",start)
if prev then
- setfield(prev,"next",base)
+ setnext(prev,base)
end
if next then
- setfield(next,"prev",base)
+ setprev(next,base)
end
- setfield(base,"next",next)
- setfield(base,"prev",prev)
+ setnext(base,next)
+ setprev(base,prev)
return head,base
end
end
@@ -11868,7 +11971,7 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
end
if start==stop and getchar(start)==char then
resetinjection(start)
- setfield(start,"char",char)
+ setchar(start,char)
return head,start
end
local components=getfield(start,"components")
@@ -11877,24 +11980,24 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
local prev=getprev(start)
local next=getnext(stop)
local comp=start
- setfield(start,"prev",nil)
- setfield(stop,"next",nil)
+ setprev(start,nil)
+ setnext(stop,nil)
local base=copy_glyph(start)
if start==head then
head=base
end
resetinjection(base)
- setfield(base,"char",char)
- setfield(base,"subtype",ligature_code)
+ setchar(base,char)
+ setsubtype(base,ligature_code)
setfield(base,"components",comp)
if prev then
- setfield(prev,"next",base)
+ setnext(prev,base)
end
if next then
- setfield(next,"prev",base)
+ setprev(next,base)
end
- setfield(base,"prev",prev)
- setfield(base,"next",next)
+ setprev(base,prev)
+ setnext(base,next)
if not discfound then
local deletemarks=markflag~="mark"
local components=start
@@ -11934,41 +12037,41 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
start=getnext(start)
end
else
- local discprev=getfield(discfound,"prev")
- local discnext=getfield(discfound,"next")
+ local discprev=getprev(discfound)
+ local discnext=getnext(discfound)
if discprev and discnext then
local pre=getfield(discfound,"pre")
local post=getfield(discfound,"post")
local replace=getfield(discfound,"replace")
if not replace then
- local prev=getfield(base,"prev")
+ local prev=getprev(base)
local copied=copy_node_list(comp)
- setfield(discnext,"prev",nil)
- setfield(discprev,"next",nil)
+ setprev(discnext,nil)
+ setnext(discprev,nil)
if pre then
- setfield(discprev,"next",pre)
- setfield(pre,"prev",discprev)
+ setnext(discprev,pre)
+ setprev(pre,discprev)
end
pre=comp
if post then
local tail=find_node_tail(post)
- setfield(tail,"next",discnext)
- setfield(discnext,"prev",tail)
- setfield(post,"prev",nil)
+ setnext(tail,discnext)
+ setprev(discnext,tail)
+ setprev(post,nil)
else
post=discnext
end
- setfield(prev,"next",discfound)
- setfield(discfound,"prev",prev)
- setfield(discfound,"next",next)
- setfield(next,"prev",discfound)
- setfield(base,"next",nil)
- setfield(base,"prev",nil)
+ setnext(prev,discfound)
+ setprev(discfound,prev)
+ setnext(discfound,next)
+ setprev(next,discfound)
+ setnext(base,nil)
+ setprev(base,nil)
setfield(base,"components",copied)
setfield(discfound,"pre",pre)
setfield(discfound,"post",post)
setfield(discfound,"replace",base)
- setfield(discfound,"subtype",discretionary_code)
+ setsubtype(discfound,discretionary_code)
base=prev
end
end
@@ -11979,19 +12082,19 @@ local function multiple_glyphs(head,start,multiple,ignoremarks)
local nofmultiples=#multiple
if nofmultiples>0 then
resetinjection(start)
- setfield(start,"char",multiple[1])
+ setchar(start,multiple[1])
if nofmultiples>1 then
local sn=getnext(start)
for k=2,nofmultiples do
local n=copy_node(start)
resetinjection(n)
- setfield(n,"char",multiple[k])
- setfield(n,"prev",start)
- setfield(n,"next",sn)
+ setchar(n,multiple[k])
+ setprev(n,start)
+ setnext(n,sn)
if sn then
- setfield(sn,"prev",n)
+ setprev(sn,n)
end
- setfield(start,"next",n)
+ setnext(start,n)
start=n
end
end
@@ -12039,7 +12142,7 @@ function handlers.gsub_single(head,start,kind,lookupname,replacement)
logprocess("%s: replacing %s by single %s",pref(kind,lookupname),gref(getchar(start)),gref(replacement))
end
resetinjection(start)
- setfield(start,"char",replacement)
+ setchar(start,replacement)
return head,start,true
end
function handlers.gsub_alternate(head,start,kind,lookupname,alternative,sequence)
@@ -12050,7 +12153,7 @@ function handlers.gsub_alternate(head,start,kind,lookupname,alternative,sequence
logprocess("%s: replacing %s by alternative %a to %s, %s",pref(kind,lookupname),gref(getchar(start)),choice,gref(choice),comment)
end
resetinjection(start)
- setfield(start,"char",choice)
+ setchar(start,choice)
else
if trace_alternatives then
logwarning("%s: no variant %a for %s, %s",pref(kind,lookupname),value,gref(getchar(start)),comment)
@@ -12144,7 +12247,7 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence)
end
else
resetinjection(start)
- setfield(start,"char",lig)
+ setchar(start,lig)
if trace_ligatures then
logprocess("%s: replacing %s by (no real) ligature %s case 3",pref(kind,lookupname),gref(startchar),gref(lig))
end
@@ -12471,7 +12574,7 @@ function chainprocs.reversesub(head,start,stop,kind,chainname,currentcontext,loo
logprocess("%s: single reverse replacement of %s by %s",cref(kind,chainname),gref(char),gref(replacement))
end
resetinjection(start)
- setfield(start,"char",replacement)
+ setchar(start,replacement)
return head,start,true
else
return head,start,false
@@ -12503,7 +12606,7 @@ function chainprocs.gsub_single(head,start,stop,kind,chainname,currentcontext,lo
logprocess("%s: replacing single %s by %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(currentchar),gref(replacement))
end
resetinjection(current)
- setfield(current,"char",replacement)
+ setchar(current,replacement)
end
end
return head,start,true
@@ -12561,7 +12664,7 @@ function chainprocs.gsub_alternate(head,start,stop,kind,chainname,currentcontext
logprocess("%s: replacing %s by alternative %a to %s, %s",cref(kind,chainname,chainlookupname,lookupname),gref(char),choice,gref(choice),comment)
end
resetinjection(start)
- setfield(start,"char",choice)
+ setchar(start,choice)
else
if trace_alternatives then
logwarning("%s: no variant %a for %s, %s",cref(kind,chainname,chainlookupname,lookupname),value,gref(char),comment)
@@ -13056,13 +13159,13 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
local tail=nil
if prev then
tail=prev
- setfield(current,"prev",sweepnode)
+ setprev(current,sweepnode)
else
tail=find_node_tail(head)
end
- setfield(sweepnode,"next",current)
- setfield(head,"prev",nil)
- setfield(tail,"next",nil)
+ setnext(sweepnode,current)
+ setprev(head,nil)
+ setnext(tail,nil)
appenddisc(sweepnode,head)
end
end
@@ -13150,12 +13253,12 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
startishead=cf==head
cprev=getprev(cprev)
end
- setfield(lookaheaddisc,"prev",cprev)
+ setprev(lookaheaddisc,cprev)
if cprev then
- setfield(cprev,"next",lookaheaddisc)
+ setnext(cprev,lookaheaddisc)
end
- setfield(cf,"prev",nil)
- setfield(cl,"next",nil)
+ setprev(cf,nil)
+ setnext(cl,nil)
if startishead then
head=lookaheaddisc
end
@@ -13177,13 +13280,13 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
new,cnew,ok=chainproc(new,cnew,clast,kind,chainname,ck,lookuphash,chainlookup,chainlookupname,nil,sequence)
end
if pre then
- setfield(cl,"next",pre)
- setfield(pre,"prev",cl)
+ setnext(cl,pre)
+ setprev(pre,cl)
end
if replace then
local tail=find_node_tail(new)
- setfield(tail,"next",replace)
- setfield(replace,"prev",tail)
+ setnext(tail,replace)
+ setprev(replace,tail)
end
setfield(lookaheaddisc,"pre",cf)
setfield(lookaheaddisc,"replace",new)
@@ -13201,11 +13304,11 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
cnext=getnext(cnext)
end
if cnext then
- setfield(cnext,"prev",backtrackdisc)
+ setprev(cnext,backtrackdisc)
end
- setfield(backtrackdisc,"next",cnext)
- setfield(cf,"prev",nil)
- setfield(cl,"next",nil)
+ setnext(backtrackdisc,cnext)
+ setprev(cf,nil)
+ setnext(cl,nil)
local replace=getfield(backtrackdisc,"replace")
local post=getfield(backtrackdisc,"post")
local new=copy_node_list(cf)
@@ -13225,15 +13328,15 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
end
if post then
local tail=find_node_tail(post)
- setfield(tail,"next",cf)
- setfield(cf,"prev",tail)
+ setnext(tail,cf)
+ setprev(cf,tail)
else
post=cf
end
if replace then
local tail=find_node_tail(replace)
- setfield(tail,"next",new)
- setfield(new,"prev",tail)
+ setnext(tail,new)
+ setprev(new,tail)
else
replace=new
end
@@ -13761,25 +13864,40 @@ otf.chainhandlers={
normal=normal_handle_contextchain,
verbose=verbose_handle_contextchain,
}
+local handle_contextchain=nil
+function chained_contextchain(head,start,stop,...)
+ local steps=currentlookup.steps
+ local nofsteps=currentlookup.nofsteps
+ if nofsteps>1 then
+ reportmoresteps(dataset,sequence)
+ end
+ return handle_contextchain(head,start,...)
+end
function otf.setcontextchain(method)
if not method or method=="normal" or not otf.chainhandlers[method] then
- if handlers.contextchain then
+ if handle_contextchain then
logwarning("installing normal contextchain handler")
end
- handlers.contextchain=normal_handle_contextchain
+ handle_contextchain=normal_handle_contextchain
else
logwarning("installing contextchain handler %a",method)
local handler=otf.chainhandlers[method]
- handlers.contextchain=function(...)
+ handle_contextchain=function(...)
return handler(currentfont,...)
end
end
- handlers.gsub_context=handlers.contextchain
- handlers.gsub_contextchain=handlers.contextchain
- handlers.gsub_reversecontextchain=handlers.contextchain
- handlers.gpos_contextchain=handlers.contextchain
- handlers.gpos_context=handlers.contextchain
+ handlers.gsub_context=handle_contextchain
+ handlers.gsub_contextchain=handle_contextchain
+ handlers.gsub_reversecontextchain=handle_contextchain
+ handlers.gpos_contextchain=handle_contextchain
+ handlers.gpos_context=handle_contextchain
+ handlers.contextchain=handle_contextchain
end
+chainprocs.gsub_context=chained_contextchain
+chainprocs.gsub_contextchain=chained_contextchain
+chainprocs.gsub_reversecontextchain=chained_contextchain
+chainprocs.gpos_contextchain=chained_contextchain
+chainprocs.gpos_context=chained_contextchain
otf.setcontextchain()
local missing={}
local function logprocess(...)
@@ -13807,19 +13925,32 @@ setmetatableindex(lookuphashes,function(t,font)
t[font]=lookuphash
return lookuphash
end)
-local autofeatures=fonts.analyzers.features
-local function initialize(sequence,script,language,enabled)
+local autofeatures=fonts.analyzers.features
+local featuretypes=otf.tables.featuretypes
+local defaultscript=otf.features.checkeddefaultscript
+local defaultlanguage=otf.features.checkeddefaultlanguage
+local function initialize(sequence,script,language,enabled,autoscript,autolanguage)
local features=sequence.features
if features then
local order=sequence.order
if order then
- for i=1,#order do
- local kind=order[i]
+ local featuretype=featuretypes[sequence.type or "unknown"]
+ for i=1,#order do
+ local kind=order[i]
local valid=enabled[kind]
if valid then
- local scripts=features[kind]
- local languages=scripts[script] or scripts[wildcard]
- if languages and (languages[language] or languages[wildcard]) then
+ local scripts=features[kind]
+ local languages=scripts and (
+ scripts[script] or
+ scripts[wildcard] or
+ (autoscript and defaultscript(featuretype,autoscript,scripts))
+ )
+ local enabled=languages and (
+ languages[language] or
+ languages[wildcard] or
+ (autolanguage and defaultlanguage(featuretype,autolanguage,languages))
+ )
+ if enabled then
return { valid,autofeatures[kind] or false,sequence,kind }
end
end
@@ -13835,6 +13966,8 @@ function otf.dataset(tfmdata,font)
local language=properties.language or "dflt"
local script=properties.script or "dflt"
local enabled=shared.features
+ local autoscript=enabled and enabled.autoscript
+ local autolanguage=enabled and enabled.autolanguage
local res=resolved[font]
if not res then
res={}
@@ -13852,7 +13985,7 @@ function otf.dataset(tfmdata,font)
rs[language]=rl
local sequences=tfmdata.resources.sequences
for s=1,#sequences do
- local v=enabled and initialize(sequences[s],script,language,enabled)
+ local v=enabled and initialize(sequences[s],script,language,enabled,autoscript,autolanguage)
if v then
rl[#rl+1]=v
end
@@ -13882,57 +14015,57 @@ local function kernrun(disc,run)
if not pre then
elseif prev then
local nest=getprev(pre)
- setfield(pre,"prev",prev)
- setfield(prev,"next",pre)
+ setprev(pre,prev)
+ setnext(prev,pre)
run(prevmarks,"preinjections")
- setfield(pre,"prev",nest)
- setfield(prev,"next",disc)
+ setprev(pre,nest)
+ setnext(prev,disc)
else
run(pre,"preinjections")
end
if not post then
elseif next then
local tail=find_node_tail(post)
- setfield(tail,"next",next)
- setfield(next,"prev",tail)
+ setnext(tail,next)
+ setprev(next,tail)
run(post,"postinjections",next)
- setfield(tail,"next",nil)
- setfield(next,"prev",disc)
+ setnext(tail,nil)
+ setprev(next,disc)
else
run(post,"postinjections")
end
if not replace and prev and next then
- setfield(prev,"next",next)
- setfield(next,"prev",prev)
+ setnext(prev,next)
+ setprev(next,prev)
run(prevmarks,"injections",next)
- setfield(prev,"next",disc)
- setfield(next,"prev",disc)
+ setnext(prev,disc)
+ setprev(next,disc)
elseif prev and next then
local tail=find_node_tail(replace)
local nest=getprev(replace)
- setfield(replace,"prev",prev)
- setfield(prev,"next",replace)
- setfield(tail,"next",next)
- setfield(next,"prev",tail)
+ setprev(replace,prev)
+ setnext(prev,replace)
+ setnext(tail,next)
+ setprev(next,tail)
run(prevmarks,"replaceinjections",next)
- setfield(replace,"prev",nest)
- setfield(prev,"next",disc)
- setfield(tail,"next",nil)
- setfield(next,"prev",disc)
+ setprev(replace,nest)
+ setnext(prev,disc)
+ setnext(tail,nil)
+ setprev(next,disc)
elseif prev then
local nest=getprev(replace)
- setfield(replace,"prev",prev)
- setfield(prev,"next",replace)
+ setprev(replace,prev)
+ setnext(prev,replace)
run(prevmarks,"replaceinjections")
- setfield(replace,"prev",nest)
- setfield(prev,"next",disc)
+ setprev(replace,nest)
+ setnext(prev,disc)
elseif next then
local tail=find_node_tail(replace)
- setfield(tail,"next",next)
- setfield(next,"prev",tail)
+ setnext(tail,next)
+ setprev(next,tail)
run(replace,"replaceinjections",next)
- setfield(tail,"next",nil)
- setfield(next,"prev",disc)
+ setnext(tail,nil)
+ setprev(next,disc)
else
run(replace,"replaceinjections")
end
@@ -13979,21 +14112,21 @@ local function testrun(disc,trun,crun)
local prev=getprev(disc)
if prev then
local tail=find_node_tail(replace)
- setfield(tail,"next",next)
- setfield(next,"prev",tail)
+ setnext(tail,next)
+ setprev(next,tail)
if trun(replace,next) then
setfield(disc,"replace",nil)
- setfield(prev,"next",replace)
- setfield(replace,"prev",prev)
- setfield(next,"prev",tail)
- setfield(tail,"next",next)
- setfield(disc,"prev",nil)
- setfield(disc,"next",nil)
+ setnext(prev,replace)
+ setprev(replace,prev)
+ setprev(next,tail)
+ setnext(tail,next)
+ setprev(disc,nil)
+ setnext(disc,nil)
flush_node_list(disc)
return replace
else
- setfield(tail,"next",nil)
- setfield(next,"prev",disc)
+ setnext(tail,nil)
+ setprev(next,disc)
end
else
end
@@ -14011,19 +14144,19 @@ local function discrun(disc,drun,krun)
report_run("disc")
end
if next and prev then
- setfield(prev,"next",next)
+ setnext(prev,next)
drun(prev)
- setfield(prev,"next",disc)
+ setnext(prev,disc)
end
local pre=getfield(disc,"pre")
if not pre then
elseif prev then
local nest=getprev(pre)
- setfield(pre,"prev",prev)
- setfield(prev,"next",pre)
+ setprev(pre,prev)
+ setnext(prev,pre)
krun(prev,"preinjections")
- setfield(pre,"prev",nest)
- setfield(prev,"next",disc)
+ setprev(pre,nest)
+ setnext(prev,disc)
else
krun(pre,"preinjections")
end
@@ -14281,6 +14414,40 @@ local function featuresprocessor(head,font,attr)
end
elseif id==math_code then
start=getnext(end_of_math(start))
+ elseif id==dir_code then
+ local dir=getfield(start,"dir")
+ if dir=="+TLT" then
+ topstack=topstack+1
+ dirstack[topstack]=dir
+ rlmode=1
+ elseif dir=="+TRT" then
+ topstack=topstack+1
+ dirstack[topstack]=dir
+ rlmode=-1
+ elseif dir=="-TLT" or dir=="-TRT" then
+ topstack=topstack-1
+ rlmode=dirstack[topstack]=="+TRT" and -1 or 1
+ else
+ rlmode=rlparmode
+ end
+ if trace_directions then
+ report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir)
+ end
+ start=getnext(start)
+ elseif id==localpar_code then
+ local dir=getfield(start,"dir")
+ if dir=="TRT" then
+ rlparmode=-1
+ elseif dir=="TLT" then
+ rlparmode=1
+ else
+ rlparmode=0
+ end
+ rlmode=rlparmode
+ if trace_directions then
+ report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode)
+ end
+ start=getnext(start)
else
start=getnext(start)
end
@@ -14501,6 +14668,40 @@ local function featuresprocessor(head,font,attr)
end
elseif id==math_code then
start=getnext(end_of_math(start))
+ elseif id==dir_code then
+ local dir=getfield(start,"dir")
+ if dir=="+TLT" then
+ topstack=topstack+1
+ dirstack[topstack]=dir
+ rlmode=1
+ elseif dir=="+TRT" then
+ topstack=topstack+1
+ dirstack[topstack]=dir
+ rlmode=-1
+ elseif dir=="-TLT" or dir=="-TRT" then
+ topstack=topstack-1
+ rlmode=dirstack[topstack]=="+TRT" and -1 or 1
+ else
+ rlmode=rlparmode
+ end
+ if trace_directions then
+ report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir)
+ end
+ start=getnext(start)
+ elseif id==localpar_code then
+ local dir=getfield(start,"dir")
+ if dir=="TRT" then
+ rlparmode=-1
+ elseif dir=="TLT" then
+ rlparmode=1
+ else
+ rlparmode=0
+ end
+ rlmode=rlparmode
+ if trace_directions then
+ report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode)
+ end
+ start=getnext(start)
else
start=getnext(start)
end
@@ -14636,10 +14837,10 @@ local function split(replacement,original)
end
return result
end
-local valid={
- coverage={ chainsub=true,chainpos=true,contextsub=true },
+local valid={
+ coverage={ chainsub=true,chainpos=true,contextsub=true,contextpos=true },
reversecoverage={ reversesub=true },
- glyphs={ chainsub=true,chainpos=true },
+ glyphs={ chainsub=true,chainpos=true,contextsub=true,contextpos=true },
}
local function prepare_contextchains(tfmdata)
local rawdata=tfmdata.shared.rawdata
@@ -15952,7 +16153,7 @@ end -- closure
do -- begin closure to overcome local limits and interference
-if not modules then modules={} end modules ['luatex-font-def']={
+if not modules then modules={} end modules ['luatex-fonts-def']={
version=1.001,
comment="companion to luatex-*.tex",
author="Hans Hagen, PRAGMA-ADE, Hasselt NL",