diff options
Diffstat (limited to 'tex/context/base/font-otn.lua')
| -rw-r--r-- | tex/context/base/font-otn.lua | 182 |
1 files changed, 83 insertions, 99 deletions
diff --git a/tex/context/base/font-otn.lua b/tex/context/base/font-otn.lua index 75e95749c..540716b35 100644 --- a/tex/context/base/font-otn.lua +++ b/tex/context/base/font-otn.lua @@ -182,17 +182,18 @@ 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 setfield = nuts.setfield -local setattr = nuts.setattr - local insert_node_after = nuts.insert_after local delete_node = nuts.delete local copy_node = nuts.copy @@ -234,13 +235,7 @@ local privateattribute = attributes.private -- of only some. local a_state = privateattribute('state') -local a_markbase = privateattribute('markbase') -local a_markmark = privateattribute('markmark') -local a_markdone = privateattribute('markdone') -- assigned at the injection end -local a_cursbase = privateattribute('cursbase') -local a_curscurs = privateattribute('curscurs') -local a_cursdone = privateattribute('cursdone') -local a_kernpair = privateattribute('kernpair') +local a_cursbase = privateattribute('cursbase') -- to be checked local a_ligacomp = privateattribute('ligacomp') -- assigned here (ideally it should be combined) local injections = nodes.injections @@ -249,9 +244,7 @@ local setcursive = injections.setcursive local setkern = injections.setkern local setpair = injections.setpair -local markonce = true local cursonce = true -local kernonce = true local fonthashes = fonts.hashes local fontdata = fonthashes.identifiers @@ -459,9 +452,9 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun baseindex = baseindex + componentindex componentindex = getcomponentindex(start) elseif not deletemarks then -- quite fishy - setattr(start,a_ligacomp,baseindex + (getattr(start,a_ligacomp) or componentindex)) + setprop(start,a_ligacomp,baseindex + (getprop(start,a_ligacomp) or componentindex)) if trace_marks then - logwarning("%s: keep mark %s, gets index %s",pref(kind,lookupname),gref(char),getattr(start,a_ligacomp)) + logwarning("%s: keep mark %s, gets index %s",pref(kind,lookupname),gref(char),getprop(start,a_ligacomp)) end head, current = insert_node_after(head,current,copy_node(start)) -- unlikely that mark has components elseif trace_marks then @@ -475,9 +468,9 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun while start and getid(start) == glyph_code do local char = getchar(start) if marks[char] then - setattr(start,a_ligacomp,baseindex + (getattr(start,a_ligacomp) or componentindex)) + setprop(start,a_ligacomp,baseindex + (getprop(start,a_ligacomp) or componentindex)) if trace_marks then - logwarning("%s: set mark %s, gets index %s",pref(kind,lookupname),gref(char),getattr(start,a_ligacomp)) + logwarning("%s: set mark %s, gets index %s",pref(kind,lookupname),gref(char),getprop(start,a_ligacomp)) end else break @@ -710,7 +703,7 @@ 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) @@ -759,7 +752,7 @@ function handlers.gpos_mark2ligature(head,start,kind,lookupname,markanchors,sequ end end end - local index = getattr(start,a_ligacomp) + local index = getprop(start,a_ligacomp) local baseanchors = descriptions[basechar] if baseanchors then baseanchors = baseanchors.anchors @@ -773,7 +766,7 @@ 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) -- index + local dx, dy, bound = setmark(start,base,tfmdata.parameters.factor,rlmode,ba,ma,characters[basechar]) -- index 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) @@ -809,10 +802,10 @@ function handlers.gpos_mark2mark(head,start,kind,lookupname,markanchors,sequence local markchar = getchar(start) if marks[markchar] then local base = getprev(start) -- [glyph] [basemark] [start=mark] - local slc = getattr(start,a_ligacomp) + local slc = getprop(start,a_ligacomp) if slc then -- a rather messy loop ... needs checking with husayni while base do - local blc = getattr(base,a_ligacomp) + local blc = getprop(base,a_ligacomp) if blc and blc ~= slc then base = getprev(base) else @@ -833,7 +826,7 @@ 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) @@ -861,7 +854,7 @@ function handlers.gpos_mark2mark(head,start,kind,lookupname,markanchors,sequence end function handlers.gpos_cursive(head,start,kind,lookupname,exitanchors,sequence) -- to be checked - local alreadydone = cursonce and getattr(start,a_cursbase) + local alreadydone = cursonce and getprop(start,a_cursbase) if not alreadydone then local done = false local startchar = getchar(start) @@ -1343,7 +1336,7 @@ 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) @@ -1399,7 +1392,7 @@ function chainprocs.gpos_mark2ligature(head,start,stop,kind,chainname,currentcon end end -- todo: like marks a ligatures hash - local index = getattr(start,a_ligacomp) + local index = getprop(start,a_ligacomp) local baseanchors = descriptions[basechar].anchors if baseanchors then local baseanchors = baseanchors['baselig'] @@ -1411,7 +1404,7 @@ 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) -- index + 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) @@ -1441,62 +1434,57 @@ end function chainprocs.gpos_mark2mark(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname) local markchar = getchar(start) if marks[markchar] then - -- local alreadydone = markonce and getattr(start,a_markmark) - -- if not alreadydone then - -- local markanchors = descriptions[markchar].anchors markanchors = markanchors and markanchors.mark - 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) -- [glyph] [basemark] [start=mark] - local slc = getattr(start,a_ligacomp) - if slc then -- a rather messy loop ... needs checking with husayni - while base do - local blc = getattr(base,a_ligacomp) - if blc and blc ~= slc then - base = getprev(base) - else - break - end + -- local markanchors = descriptions[markchar].anchors markanchors = markanchors and markanchors.mark + 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) -- [glyph] [basemark] [start=mark] + local slc = getprop(start,a_ligacomp) + if slc then -- a rather messy loop ... needs checking with husayni + while base do + local blc = getprop(base,a_ligacomp) + if blc and blc ~= slc then + base = getprev(base) + else + break end end - if base and getid(base) == glyph_code and getfont(base) == currentfont and getsubtype(base)<256 then -- subtype test can go - local basechar = getchar(base) - local baseanchors = descriptions[basechar].anchors + end + if base and getid(base) == glyph_code and getfont(base) == currentfont and getsubtype(base)<256 then -- subtype test can go + 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_marks and trace_details then - -- logprocess("%s, mark %s is already bound (n=%s), ignoring mark2mark",pref(kind,lookupname),gref(markchar),alreadydone) - -- 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 @@ -1504,7 +1492,7 @@ function chainprocs.gpos_mark2mark(head,start,stop,kind,chainname,currentcontext end function chainprocs.gpos_cursive(head,start,stop,kind,chainname,currentcontext,lookuphash,currentlookup,chainlookupname) - local alreadydone = cursonce and getattr(start,a_cursbase) + local alreadydone = cursonce and getprop(start,a_cursbase) if not alreadydone then local startchar = getchar(start) local subtables = currentlookup.subtables @@ -2065,9 +2053,12 @@ local autofeatures = fonts.analyzers.features -- was: constants local function initialize(sequence,script,language,enabled) local features = sequence.features if features then - for kind, scripts in next, features do + local order = features.order + 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 return { valid, autofeatures[kind] or false, sequence.chain or 0, kind, sequence } @@ -2101,19 +2092,12 @@ function otf.dataset(tfmdata,font) -- generic variant, overloaded in context } rs[language] = rl local sequences = tfmdata.resources.sequences --- setmetatableindex(rl, function(t,k) --- if type(k) == "number" then --- local v = enabled and initialize(sequences[k],script,language,enabled) --- t[k] = v --- return v --- end --- end) -for s=1,#sequences do - local v = enabled and initialize(sequences[s],script,language,enabled) - if v then - rl[#rl+1] = v - end -end + for s=1,#sequences do + local v = enabled and initialize(sequences[s],script,language,enabled) + if v then + rl[#rl+1] = v + end + end end return rl end @@ -2141,7 +2125,7 @@ end -- attr = attr or false -- -- local a = getattr(start,0) --- if (a == attr and (not attribute or getattr(start,a_state) == attribute)) or (not attribute or getattr(start,a_state) == attribute) then +-- if (a == attr and (not attribute or getprop(start,a_state) == attribute)) or (not attribute or getprop(start,a_state) == attribute) then -- -- the action -- end @@ -2263,9 +2247,9 @@ local function featuresprocessor(head,font,attr) if id == glyph_code and getfont(start) == font and getsubtype(start) < 256 then local a = getattr(start,0) if a then - a = (a == attr) and (not attribute or getattr(start,a_state) == attribute) + a = (a == attr) and (not attribute or getprop(start,a_state) == attribute) else - a = not attribute or getattr(start,a_state) == attribute + a = not attribute or getprop(start,a_state) == attribute end if a then local lookupmatch = lookupcache[getchar(start)] @@ -2299,9 +2283,9 @@ local function featuresprocessor(head,font,attr) -- setfield(next,"prev",prev) local a = getattr(prev,0) if a then - a = (a == attr) and (not attribute or getattr(prev,a_state) == attribute) + a = (a == attr) and (not attribute or getprop(prev,a_state) == attribute) else - a = not attribute or getattr(prev,a_state) == attribute + a = not attribute or getprop(prev,a_state) == attribute end if a then local lookupmatch = lookupcache[getchar(prev)] @@ -2326,9 +2310,9 @@ local function featuresprocessor(head,font,attr) if getfont(start) == font and getsubtype(start) < 256 then local a = getattr(start,0) if a then - a = (a == attr) and (not attribute or getattr(start,a_state) == attribute) + a = (a == attr) and (not attribute or getprop(start,a_state) == attribute) else - a = not attribute or getattr(start,a_state) == attribute + a = not attribute or getprop(start,a_state) == attribute end if a then local lookupmatch = lookupcache[getchar(start)] @@ -2424,9 +2408,9 @@ elseif typ == "gpos_single" or typ == "gpos_pair" then if id == glyph_code and getfont(start) == font and getsubtype(start) < 256 then local a = getattr(start,0) if a then - a = (a == attr) and (not attribute or getattr(start,a_state) == attribute) + a = (a == attr) and (not attribute or getprop(start,a_state) == attribute) else - a = not attribute or getattr(start,a_state) == attribute + a = not attribute or getprop(start,a_state) == attribute end if a then for i=1,ns do @@ -2472,9 +2456,9 @@ elseif typ == "gpos_single" or typ == "gpos_pair" then -- setfield(next,"prev",prev) local a = getattr(prev,0) if a then - a = (a == attr) and (not attribute or getattr(prev,a_state) == attribute) + a = (a == attr) and (not attribute or getprop(prev,a_state) == attribute) else - a = not attribute or getattr(prev,a_state) == attribute + a = not attribute or getprop(prev,a_state) == attribute end if a then for i=1,ns do @@ -2507,9 +2491,9 @@ elseif typ == "gpos_single" or typ == "gpos_pair" then if getfont(start) == font and getsubtype(start) < 256 then local a = getattr(start,0) if a then - a = (a == attr) and (not attribute or getattr(start,a_state) == attribute) + a = (a == attr) and (not attribute or getprop(start,a_state) == attribute) else - a = not attribute or getattr(start,a_state) == attribute + a = not attribute or getprop(start,a_state) == attribute end if a then for i=1,ns do |