diff options
Diffstat (limited to 'tex/context/base/mlib-pps.lua')
| -rw-r--r-- | tex/context/base/mlib-pps.lua | 318 |
1 files changed, 180 insertions, 138 deletions
diff --git a/tex/context/base/mlib-pps.lua b/tex/context/base/mlib-pps.lua index 96d5c092f..c4a417833 100644 --- a/tex/context/base/mlib-pps.lua +++ b/tex/context/base/mlib-pps.lua @@ -6,13 +6,12 @@ if not modules then modules = { } end modules ['mlib-pps'] = { license = "see context related readme files", } --- todo: make a hashed textext variant where we only process the text once (normally --- we cannot assume that no macros are involved which influence a next textext +-- todo: pass multipass nicer local format, gmatch, match, split = string.format, string.gmatch, string.match, string.split local tonumber, type = tonumber, type local round = math.round -local insert, concat = table.insert, table.concat +local insert, remove, concat = table.insert, table.remove, table.concat local Cs, Cf, C, Cg, Ct, P, S, V, Carg = lpeg.Cs, lpeg.Cf, lpeg.C, lpeg.Cg, lpeg.Ct, lpeg.P, lpeg.S, lpeg.V, lpeg.Carg local lpegmatch = lpeg.match local formatters = string.formatters @@ -212,52 +211,65 @@ local function checkandconvert(ca,cb) end end -local current_format, current_graphic, current_initializations - -metapost.multipass = false +local stack = { } -- quick hack, we will pass topofstack around +local top = nil +local nofruns = 0 -- askedfig: "all", "first", number -local textexts = { } -- all boxes, optionally with a different color -local texslots = { } -- references to textexts in order or usage -local texorder = { } -- references to textexts by mp index -local textrial = 0 -local texfinal = 0 -local scratchbox = 0 +local function startjob(texmode) + top = { + textexts = { }, -- all boxes, optionally with a different color + texslots = { }, -- references to textexts in order or usage + texorder = { }, -- references to textexts by mp index + textrial = 0, + texfinal = 0, + -- used by tx plugin + texhash = { }, + texlast = 0, + texmode = texmode, -- some day we can then skip all pre/postscripts + } + insert(stack,top) + if trace_runs then + report_metapost("starting run at level %i",#stack) + end + return top +end -local function freeboxes() - for n, box in next, textexts do - local tn = textexts[n] - if tn then +local function stopjob() + if top then + for n, tn in next, top.textexts do free_list(tn) - -- texsetbox("scratchbox",tn) - -- texsetbox("scratchbox",nil) -- this frees too if trace_textexts then report_textexts("freeing box %s",n) end end + if trace_runs then + report_metapost("stopping run at level %i",#stack) + end + remove(stack) + top = stack[#stack] + return top end - textexts = { } - texslots = { } - texorder = { } - textrial = 0 - texfinal = 0 end -metapost.resettextexts = freeboxes +function metapost.settextexts () end -- obsolete +function metapost.resettextexts() end -- obsolete + +-- end of new function metapost.settext(box,slot) - textexts[slot] = copy_list(texgetbox(box)) + top.textexts[slot] = copy_list(texgetbox(box)) texsetbox(box,nil) -- this will become - -- textexts[slot] = texgetbox(box) + -- top.textexts[slot] = texgetbox(box) -- unsetbox(box) end function metapost.gettext(box,slot) - texsetbox(box,copy_list(textexts[slot])) + texsetbox(box,copy_list(top.textexts[slot])) if trace_textexts then report_textexts("putting text %s in box %s",slot,box) end - -- textexts[slot] = nil -- no, pictures can be placed several times + -- top.textexts[slot] = nil -- no, pictures can be placed several times end -- rather generic pdf, so use this elsewhere too it no longer pays @@ -490,7 +502,10 @@ local do_safeguard = ";" local f_text_data = formatters["mfun_tt_w[%i] := %f ; mfun_tt_h[%i] := %f ; mfun_tt_d[%i] := %f ;"] function metapost.textextsdata() - local t, nt, n = { }, 0, 0 + local texorder = top.texorder + local textexts = top.textexts + local collected = { } + local nofcollected = 0 for n=1,#texorder do local box = textexts[texorder[n]] if box then @@ -498,25 +513,23 @@ function metapost.textextsdata() if trace_textexts then report_textexts("passed data item %s: (%p,%p,%p)",n,wd,ht,dp) end - nt = nt + 1 - t[nt] = f_text_data(n,wd,n,ht,n,dp) + nofcollected = nofcollected + 1 + collected[nofcollected] = f_text_data(n,wd,n,ht,n,dp) else break end end --- inspect(t) - return t + return collected end -metapost.intermediate = metapost.intermediate or {} -metapost.intermediate.actions = metapost.intermediate.actions or {} -metapost.intermediate.needed = false +metapost.intermediate = metapost.intermediate or { } +metapost.intermediate.actions = metapost.intermediate.actions or { } metapost.method = 1 -- 1:dumb 2:clever -- maybe we can latelua the texts some day -local nofruns = 0 -- askedfig: "all", "first", number +local processmetapost = metapost.process local function checkaskedfig(askedfig) -- return askedfig, wrappit if not askedfig then @@ -535,18 +548,42 @@ local function checkaskedfig(askedfig) -- return askedfig, wrappit end end -function metapost.graphic_base_pass(specification) - local mpx = specification.mpx -- mandate - local data = specification.data or "" - local definitions = specification.definitions or "" --- local extensions = metapost.getextensions(specification.instance,specification.useextensions) - local extensions = specification.extensions or "" - local inclusions = specification.inclusions or "" +local function extrapass() + if trace_runs then + report_metapost("second run of job %s, asked figure %a",top.nofruns,top.askedfig) + end + processmetapost(top.mpx, { + top.wrappit and do_begin_fig or "", + no_trial_run, + concat(metapost.textextsdata()," ;\n"), + top.initializations, + do_safeguard, + top.data, + top.wrappit and do_end_fig or "", + }, false, nil, false, true, top.askedfig) + -- context.MPLIBresettexts() -- must happen afterwards +end + +function metapost.graphic_base_pass(specification) -- name will change (see mlib-ctx.lua) + local top = startjob(true) + -- + local mpx = specification.mpx -- mandate + local data = specification.data or "" + local definitions = specification.definitions or "" + -- local extensions = metapost.getextensions(specification.instance,specification.useextensions) + local extensions = specification.extensions or "" + local inclusions = specification.inclusions or "" local initializations = specification.initializations or "" - local askedfig = specification.figure -- no default else no wrapper + local askedfig = specification.figure -- no default else no wrapper -- - nofruns = nofruns + 1 local askedfig, wrappit = checkaskedfig(askedfig) + -- + nofruns = nofruns + 1 + -- + top.askedfig = askedfig + top.wrappit = wrappit + top.nofruns = nofruns + -- local done_1, done_2, done_3, forced_1, forced_2, forced_3 data, done_1, forced_1 = checktexts(data) -- we had preamble = extensions + inclusions @@ -560,12 +597,12 @@ function metapost.graphic_base_pass(specification) else inclusions, done_3, forced_3 = checktexts(inclusions) end - metapost.intermediate.needed = false - metapost.multipass = false -- no needed here - current_format = mpx - current_graphic = data - current_initializations = initializations - local method = metapost.method + top.intermediate = false + top.multipass = false -- no needed here + top.mpx = mpx + top.data = data + top.initializations = initializations + local method = metapost.method if trace_runs then if method == 1 then report_metapost("forcing two runs due to library configuration") @@ -586,19 +623,19 @@ function metapost.graphic_base_pass(specification) report_metapost("first run of job %s, asked figure %a",nofruns,askedfig) end -- first true means: trialrun, second true means: avoid extra run if no multipass - local flushed = metapost.process(mpx, { + local flushed = processmetapost(mpx, { definitions, extensions, inclusions, wrappit and do_begin_fig or "", do_first_run, do_trial_run, - current_initializations, + initializations, do_safeguard, - current_graphic, + data, wrappit and do_end_fig or "", }, true, nil, not (forced_1 or forced_2 or forced_3), false, askedfig) - if metapost.intermediate.needed then + if top.intermediate then for _, action in next, metapost.intermediate.actions do action() end @@ -606,44 +643,35 @@ function metapost.graphic_base_pass(specification) if not flushed or not metapost.optimize then -- tricky, we can only ask once for objects and therefore -- we really need a second run when not optimized - context.MPLIBextrapass(askedfig) + -- context.MPLIBextrapass(askedfig) + context(extrapass) end else if trace_runs then report_metapost("running job %s, asked figure %a",nofruns,askedfig) end - metapost.process(mpx, { + processmetapost(mpx, { preamble, wrappit and do_begin_fig or "", do_first_run, no_trial_run, - current_initializations, + initializations, do_safeguard, - current_graphic, + data, wrappit and do_end_fig or "", }, false, nil, false, false, askedfig) end + context(stopjob) end -function metapost.graphic_extra_pass(askedfig) - if trace_runs then - report_metapost("second run of job %s, asked figure %a",nofruns,askedfig) - end - local askedfig, wrappit = checkaskedfig(askedfig) - metapost.process(current_format, { - wrappit and do_begin_fig or "", - no_trial_run, - concat(metapost.textextsdata()," ;\n"), - current_initializations, - do_safeguard, - current_graphic, - wrappit and do_end_fig or "", - }, false, nil, false, true, askedfig) - context.MPLIBresettexts() -- must happen afterwards +function metapost.process(...) + startjob(false) + processmetapost(...) + stopjob() end local start = [[\starttext]] -local preamble = [[\long\def\MPLIBgraphictext#1{\startTEXpage[scale=10000]#1\stopTEXpage}]] +local preamble = [[\def\MPLIBgraphictext#1{\startTEXpage[scale=10000]#1\stopTEXpage}]] local stop = [[\stoptext]] function makempy.processgraphics(graphics) @@ -688,9 +716,9 @@ local resetteractions = sequencers.new { arguments = "t" } local analyzeractions = sequencers.new { arguments = "object,prescript" } local processoractions = sequencers.new { arguments = "object,prescript,before,after" } -appendgroup(resetteractions, "system") -appendgroup(analyzeractions, "system") -appendgroup(processoractions, "system") +appendgroup(resetteractions, "system") +appendgroup(analyzeractions, "system") +appendgroup(processoractions,"system") -- later entries come first @@ -729,48 +757,56 @@ end -- end function metapost.pluginactions(what,t,flushfigure) -- before/after object, depending on what - for i=1,#what do - local wi = what[i] - if type(wi) == "function" then - -- assume injection - flushfigure(t) -- to be checked: too many 0 g 0 G - t = { } - wi() - else - t[#t+1] = wi + if top.texmode then + for i=1,#what do + local wi = what[i] + if type(wi) == "function" then + -- assume injection + flushfigure(t) -- to be checked: too many 0 g 0 G + t = { } + wi() + else + t[#t+1] = wi + end end + return t end - return t end function metapost.resetplugins(t) -- intialize plugins, before figure - -- plugins can have been added - resetter = resetteractions .runner - analyzer = analyzeractions .runner - processor = processoractions .runner - -- let's apply one runner - resetter(t) + if top.texmode then + -- plugins can have been added + resetter = resetteractions.runner + analyzer = analyzeractions.runner + processor = processoractions.runner + -- let's apply one runner + resetter(t) + end end function metapost.analyzeplugins(object) -- each object (first pass) - local prescript = object.prescript -- specifications - if prescript and #prescript > 0 then - return analyzer(object,splitprescript(prescript)) + if top.texmode then + local prescript = object.prescript -- specifications + if prescript and #prescript > 0 then + return analyzer(object,splitprescript(prescript)) + end end end function metapost.processplugins(object) -- each object (second pass) - local prescript = object.prescript -- specifications - if prescript and #prescript > 0 then - local before = { } - local after = { } - processor(object,splitprescript(prescript),before,after) - return #before > 0 and before, #after > 0 and after - else - local c = object.color - if c and #c > 0 then - local b, a = colorconverter(c) - return { b }, { a } + if top.texmode then + local prescript = object.prescript -- specifications + if prescript and #prescript > 0 then + local before = { } + local after = { } + processor(object,splitprescript(prescript),before,after) + return #before > 0 and before, #after > 0 and after + else + local c = object.color + if c and #c > 0 then + local b, a = colorconverter(c) + return { b }, { a } + end end end end @@ -800,12 +836,11 @@ local function cl_reset(t) t[#t+1] = metapost.colorinitializer() -- only color end -local tx_hash = { } -local tx_last = 0 - local function tx_reset() - tx_hash = { } - tx_last = 0 + if top then + top.texhash = { } + top.texlast = 0 + end end local fmt = formatters["%s %s %s % t"] @@ -814,7 +849,8 @@ local pat = lpeg.tsplitat(":") local function tx_analyze(object,prescript) -- todo: hash content and reuse them local tx_stage = prescript.tx_stage if tx_stage == "trial" then - textrial = textrial + 1 + local tx_trial = top.textrial + 1 + top.textrial = tx_trial local tx_number = tonumber(prescript.tx_number) local s = object.postscript or "" local c = object.color -- only simple ones, no transparency @@ -826,10 +862,11 @@ local function tx_analyze(object,prescript) -- todo: hash content and reuse them end local a = prescript.tr_alternative local t = prescript.tr_transparency - local h = fmt(tx_number,a or "?",t or "?",c) - local n = tx_hash[h] -- todo: hashed variant with s (nicer for similar labels) + local h = fmt(tx_number,a or "-",t or "-",c or "-") + local n = top.texhash[h] -- todo: hashed variant with s (nicer for similar labels) if not n then - tx_last = tx_last + 1 + local tx_last = top.texlast + 1 + top.texlast = tx_last if not c then -- no color elseif #c == 1 then @@ -852,31 +889,35 @@ local function tx_analyze(object,prescript) -- todo: hash content and reuse them end end context.MPLIBsettext(tx_last,s) - metapost.multipass = true - tx_hash[h] = tx_last - texslots[textrial] = tx_last - texorder[tx_number] = tx_last + top.multipass = true + metapost.multipass = true -- ugly + top.texhash[h] = tx_last + top.texslots[tx_trial] = tx_last + top.texorder[tx_number] = tx_last if trace_textexts then - report_textexts("stage %a, usage %a, number %a, new %a, hash %a",tx_stage,textrial,tx_number,tx_last,h) + report_textexts("stage %a, usage %a, number %a, new %a, hash %a",tx_stage,tx_trial,tx_number,tx_last,h) end else - texslots[textrial] = n + top.texslots[tx_trial] = n if trace_textexts then - report_textexts("stage %a, usage %a, number %a, new %a, hash %a",tx_stage,textrial,tx_number,n,h) + report_textexts("stage %a, usage %a, number %a, new %a, hash %a",tx_stage,tx_trial,tx_number,n,h) end end elseif tx_stage == "extra" then - textrial = textrial + 1 + local tx_trial = top.textrial + 1 + top.textrial = tx_trial local tx_number = tonumber(prescript.tx_number) - if not texorder[tx_number] then + if not top.texorder[tx_number] then local s = object.postscript or "" - tx_last = tx_last + 1 + local tx_last = top.texlast + 1 + top.texlast = tx_last context.MPLIBsettext(tx_last,s) - metapost.multipass = true - texslots[textrial] = tx_last - texorder[tx_number] = tx_last + top.multipass = true + metapost.multipass = true -- ugly + top.texslots[tx_trial] = tx_last + top.texorder[tx_number] = tx_last if trace_textexts then - report_textexts("stage %a, usage %a, number %a, extra %a",tx_stage,textrial,tx_number,tx_last) + report_textexts("stage %a, usage %a, number %a, extra %a",tx_stage,tx_trial,tx_number,tx_last) end end end @@ -888,13 +929,13 @@ local function tx_process(object,prescript,before,after) tx_number = tonumber(tx_number) local tx_stage = prescript.tx_stage if tx_stage == "final" then - texfinal = texfinal + 1 - local n = texslots[texfinal] + top.texfinal = top.texfinal + 1 + local n = top.texslots[top.texfinal] if trace_textexts then - report_textexts("stage %a, usage %a, number %a, use %a",tx_stage,texfinal,tx_number,n) + report_textexts("stage %a, usage %a, number %a, use %a",tx_stage,top.texfinal,tx_number,n) end local sx, rx, ry, sy, tx, ty = cm(object) -- needs to be frozen outside the function - local box = textexts[n] + local box = top.textexts[n] if box then before[#before+1] = function() -- flush always happens, we can have a special flush function injected before @@ -936,8 +977,9 @@ local function gt_analyze(object,prescript) local gt_stage = prescript.gt_stage if gt_stage == "trial" then graphics[#graphics+1] = formatters["\\MPLIBgraphictext{%s}"](object.postscript or "") - metapost.intermediate.needed = true - metapost.multipass = true + top.intermediate = true + top.multipass = true + metapost.multipass = true -- ugly end end |