diff options
Diffstat (limited to 'tex/context/base/mkxl/back-exp.lmt')
| -rw-r--r-- | tex/context/base/mkxl/back-exp.lmt | 185 |
1 files changed, 110 insertions, 75 deletions
diff --git a/tex/context/base/mkxl/back-exp.lmt b/tex/context/base/mkxl/back-exp.lmt index f0d8e120e..81a0bf7d5 100644 --- a/tex/context/base/mkxl/back-exp.lmt +++ b/tex/context/base/mkxl/back-exp.lmt @@ -921,7 +921,9 @@ do local element = di.element if not element then -- skip - elseif element == "break" then -- or element == "pagebreak" + elseif element == "break" then -- or element == "pagebreak" -- todo: use empty flag + emptytag(result,element,nature,di) + elseif element == "mspace" then -- todo: use empty flag emptytag(result,element,nature,di) elseif element == "" or di.skip == "ignore" then -- skip @@ -941,6 +943,11 @@ do flushtree(result,di.after,nature) end end + else +-- local element = di.element +-- if element == "mspace" then -- todo: use empty flag +-- emptytag(result,element,nature,di) +-- end end end end @@ -961,8 +968,8 @@ do -- skip elseif di.skip == "ignore" then -- skip (new) -elseif di.tg == "ignore" then - -- skip (new) + elseif di.tg == "ignore" then + -- skip (new) elseif di.content then if di.samepar then prevparnumber = false @@ -1046,12 +1053,22 @@ elseif di.tg == "ignore" then -- also tabulaterow reconstruction .. maybe better as a checker -- i.e cell attribute + local function showtree(data,when,where) + if data then + for i=1,#data do + local d = data[i] + if type(d) == "table" and d.element then + print(when,where,i,d.element,d.parnumber or 0) + end + end + end + end + local function collapsetree(tree) --- for tag, trees in sortedhash(treehash) do + -- showtree(data,"before","collapse") + -- for tag, trees in sortedhash(treehash) do for tag, trees in next, treehash do local d = trees[1].data --- print("!!!!!!!!",tag) --- inspect(trees) if d then local nd = #d if nd > 0 then @@ -1097,30 +1114,22 @@ elseif di.tg == "ignore" then end end end + -- showtree(data,"after","collapse") end local function finalizetree(tree) + -- showtree(data,"before","finalize") for _, finalizer in next, finalizers do finalizer(tree) end + -- showtree(data,"after","finalize") end - -- local function showtree(data,when,where) - -- if data then - -- for i=1,#data do - -- local d = data[i] - -- if type(d) == "table" and d.element then - -- print(when,where,i,d.element,d.parnumber or 0) - -- end - -- end - -- end - -- end - local function indextree(tree) local data = tree.data if data then - local n, new = 0, { } -- showtree(data,"before","index") + local n, new = 0, { } for i=1,#data do local d = data[i] if not d then @@ -1148,9 +1157,12 @@ elseif di.tg == "ignore" then for i=1,#data do local d = data[i] if type(d) == "table" then - local check = checks[d.tg] - if check then - check(d,data,i) + local tg = d.tg + if tg then + local check = checks[tg] + if check then + check(d,data,i) + end end checktree(d) -- so parts can pass twice end @@ -1166,9 +1178,12 @@ elseif di.tg == "ignore" then for i=1,#data do local d = data[i] if type(d) == "table" then - local fix = fixes[d.tg] - if fix then - fix(d,data,i) + local tg = d.tg + if tg then + local fix = fixes[tg] + if fix then + fix(d,data,i) + end end fixtree(d) -- so parts can pass twice end @@ -1406,29 +1421,30 @@ end local collectresults do -- too many locals otherwise - local nodecodes = nodes.nodecodes - local gluecodes = nodes.gluecodes - local listcodes = nodes.listcodes - local whatsitcodes = nodes.whatsitcodes + local nodecodes = nodes.nodecodes + local gluecodes = nodes.gluecodes + local listcodes = nodes.listcodes + local whatsitcodes = nodes.whatsitcodes - local subtypes = nodes.subtypes + local subtypes = nodes.subtypes - local hlist_code = nodecodes.hlist - local vlist_code = nodecodes.vlist - local glyph_code = nodecodes.glyph - local glue_code = nodecodes.glue - local kern_code = nodecodes.kern - local disc_code = nodecodes.disc - local whatsit_code = nodecodes.whatsit - local par_code = nodecodes.par + local hlist_code = nodecodes.hlist + local vlist_code = nodecodes.vlist + local glyph_code = nodecodes.glyph + local glue_code = nodecodes.glue + local kern_code = nodecodes.kern + local disc_code = nodecodes.disc + local whatsit_code = nodecodes.whatsit + local par_code = nodecodes.par - local userskip_code = gluecodes.userskip - local rightskip_code = gluecodes.rightskip - local parfillskip_code = gluecodes.parfillskip - local spaceskip_code = gluecodes.spaceskip - local xspaceskip_code = gluecodes.xspaceskip + local userskip_code = gluecodes.userskip + local rightskip_code = gluecodes.rightskip + local parfillskip_code = gluecodes.parfillskip + local spaceskip_code = gluecodes.spaceskip + local xspaceskip_code = gluecodes.xspaceskip + local intermathskip_code = gluecodes.intermathskip - local linelist_code = listcodes.line + local linelist_code = listcodes.line local userdefinedwhatsit_code = whatsitcodes.userdefined @@ -1654,6 +1670,21 @@ local collectresults do -- too many locals otherwise currentcontent[nofcurrentcontent] = c end elseif subtype == userskip_code then +-- local at = getattr(n,a_tagged) +-- local tl = taglist[at] +-- if tl and structurestags.strip(tl.taglist[#tl.taglist]) == "mspace" then +-- if nofcurrentcontent > 0 then +-- pushcontent() +-- pushentry(currentnesting) -- ?? +-- end +-- -- in the past we'd push a space here ... check mkiv : otherwise no threshold with mspace +-- pushentry(tl) +-- if trace_export then +-- report_export("%w<!-- processing mspace tagged %a",currentdepth,at) +-- end +-- last = nil +-- currentparagraph = nil +-- else if getwidth(n) > threshold then if last and not somespace[currentcontent[nofcurrentcontent]] then local a = getattr(n,a_tagged) or pat @@ -1681,6 +1712,7 @@ local collectresults do -- too many locals otherwise end end end +-- end elseif subtype == spaceskip_code or subtype == xspaceskip_code then if not somespace[currentcontent[nofcurrentcontent]] then local a = getattr(n,a_tagged) or pat @@ -1703,6 +1735,8 @@ local collectresults do -- too many locals otherwise currentattribute = last end end + elseif subtype == intermathskip_code then + -- put this as attribute when it differs, maybe more ... check mathml elseif subtype == rightskip_code then -- a line if nofcurrentcontent > 0 then @@ -1769,49 +1803,50 @@ local collectresults do -- too many locals otherwise elseif id == kern_code then local kern = getkern(n) if kern > 0 then -local a = getattr(n,a_tagged) or pat -local t = taglist[a] -if not t or t.tagname ~= "ignore" then -- maybe earlier on top) - local limit = threshold - if p then - local c, f = isglyph(p) - if c then - limit = fontquads[f] / 4 + local a = getattr(n,a_tagged) or pat + local t = taglist[a] + if not t or t.tagname ~= "ignore" then -- maybe earlier on top) + local limit = threshold + if p then + local c, f = isglyph(p) + if c then + limit = fontquads[f] / 4 + end end - end - if kern > limit then - if last and not somespace[currentcontent[nofcurrentcontent]] then --- local a = getattr(n,a_tagged) or pat - if a == last then - if not somespace[currentcontent[nofcurrentcontent]] then + if kern > limit then + if last and not somespace[currentcontent[nofcurrentcontent]] then + -- local a = getattr(n,a_tagged) or pat + if a == last then + if not somespace[currentcontent[nofcurrentcontent]] then + if trace_export then + report_export("%w<!-- injecting spacing 8 (kern %p) -->",currentdepth,kern) + end + nofcurrentcontent = nofcurrentcontent + 1 + currentcontent[nofcurrentcontent] = " " + end + elseif a then + -- e.g LOGO<space>LOGO if trace_export then - report_export("%w<!-- injecting spacing 8 (kern %p) -->",currentdepth,kern) + report_export("%w<!-- processing kern, threshold %p, tag %s => %s -->",currentdepth,limit,last,a) + end + last = a + pushcontent() + if trace_export then + report_export("%w<!-- injecting spacing 9 (kern %p) -->",currentdepth,kern) end nofcurrentcontent = nofcurrentcontent + 1 currentcontent[nofcurrentcontent] = " " + -- currentnesting = taglist[last] + currentnesting = t + pushentry(currentnesting) + currentattribute = last end - elseif a then - -- e.g LOGO<space>LOGO - if trace_export then - report_export("%w<!-- processing kern, threshold %p, tag %s => %s -->",currentdepth,limit,last,a) - end - last = a - pushcontent() - if trace_export then - report_export("%w<!-- injecting spacing 9 (kern %p) -->",currentdepth,kern) - end - nofcurrentcontent = nofcurrentcontent + 1 - currentcontent[nofcurrentcontent] = " " --- currentnesting = taglist[last] -currentnesting = t - pushentry(currentnesting) - currentattribute = last end end end -end end elseif id == whatsit_code then + -- todo (lmtx) if subtype == userdefinedwhatsit_code then -- similar to images, see above local at = getattr(n,a_tagged) |