diff options
Diffstat (limited to 'tex/context/base/mkiv/anch-pos.lua')
| -rw-r--r-- | tex/context/base/mkiv/anch-pos.lua | 155 |
1 files changed, 40 insertions, 115 deletions
diff --git a/tex/context/base/mkiv/anch-pos.lua b/tex/context/base/mkiv/anch-pos.lua index e87409dbe..f1ec59d8b 100644 --- a/tex/context/base/mkiv/anch-pos.lua +++ b/tex/context/base/mkiv/anch-pos.lua @@ -121,18 +121,17 @@ local f_region = formatters["region:%s"] local f_tag_three = formatters["%s:%s:%s"] local f_tag_two = formatters["%s:%s"] -jobpositions.used = false - local nofregular = 0 local nofspecial = 0 local splitter = lpeg.splitat(":",true) +local pagedata = { } +local columndata = setmetatableindex("table") -- per page +local freedata = setmetatableindex("table") -- per page + local function initializer() tobesaved = jobpositions.tobesaved collected = jobpositions.collected - local pagedata = { } - local columndata = setmetatableindex("table") - local freedata = setmetatableindex("table") for tag, data in next, collected do local prefix, rest = lpegmatch(splitter,tag) if prefix == "p" then @@ -174,102 +173,23 @@ local function initializer() end end end - jobpositions.page = pagedata - jobpositions.column = columndata - jobpositions.free = freedata - jobpositions.used = next(collected) + jobpositions.pagedata = pagedata end --- -- we can gain a little when we group positions but then we still have to --- -- deal with regions and cells so we either end up with lots of extra small --- -- tables pointing to them and/or assembling/disassembling so in the end --- -- it makes no sense to do it (now) and still have such a mix --- --- local splitter = lpeg.splitat(":",true) --- --- local function setpos(t,k,v) --- local class, tag = lpegmatch(splitter,k) --- if tag then --- local c = rawget(t,class) --- if c then --- c[tonumber(tag) or tag] = v --- else --- rawset(t,class,{ [tonumber(tag) or tag] = v }) --- end --- else --- t.default[tonumber(k) or k] = v --- end --- end --- --- local function getpos(t,k) --- local class, tag = lpegmatch(splitter,k) --- if tag then --- local c = rawget(t,class) --- if c then --- return c[tonumber(tag) or tag] --- end --- else --- return c.default[tonumber(k) or k] --- end --- end --- --- tobesaved.default = tobesaved.default or { } --- setmetatablenewindex(tobesaved,setpos) --- setmetatableindex (tobesaved,getpos) --- --- local function initializer() --- tobesaved = jobpositions.tobesaved --- collected = jobpositions.collected --- --- tobesaved.default = tobesaved.default or { } --- collected.default = collected.default or { } --- --- setmetatablenewindex(tobesaved,setpos) --- setmetatableindex (collected,getpos) --- setmetatableindex (tobesaved,getpos) --- --- for class, list in next, collected do --- for tag, data in next, list do --- setmetatable(data,default) --- nofregular = nofregular + 1 --- end --- end --- --- local pagedata = collected.page or { } --- local freedata = setmetatableindex("table") --- --- for tag, data in next, collected.free or { } do --- local t = freedata[data.p or 0] --- t[#t+1] = data --- end --- --- local pages = structures.pages.collected --- if pages then --- local last = nil --- for p=1,#pages do --- local data = pagedata[p] --- local free = freedata[p] --- if free then --- sort(free,function(a,b) return b.y < a.y end) -- order matters ! --- end --- if data then --- last = data --- last.free = free --- elseif last then --- local t = setmetatableindex({ free = free, p = p },last) --- if not pagedata[p] then --- pagedata[p] = t --- end --- end --- end --- end --- jobpositions.page = pagedata --- jobpositions.free = freedata --- jobpositions.used = next(collected) --- end +function jobpositions.used() + return next(collected) -- we can safe it +end + +function jobpositions.getfree(page) + return freedata[page] +end + +-- we can gain a little when we group positions but then we still have to +-- deal with regions and cells so we either end up with lots of extra small +-- tables pointing to them and/or assembling/disassembling so in the end +-- it makes no sense to do it (now) and still have such a mix -- --- function jobpositions.getcollected(class,tag) if tag then return collected[class..tag] else return collected[class] end end --- function jobpositions.gettobesaved(class,tag) if tag then return tobesaved[class..tag] else return tobesaved[class] end end +-- proof of concept code removed ... see archive local function finalizer() -- We make the (possible extensive) shape lists sparse working @@ -818,12 +738,22 @@ function jobpositions.replace(id,p,x,y,w,h,d) collected[id] = { p = p, x = x, y = y, w = w, h = h, d = d } -- c g end -function jobpositions.page(id) +local function getpage(id) local jpi = collected[id] return jpi and jpi.p end -function jobpositions.region(id) +local function getcolumn(id) + local jpi = collected[id] + return jpi and jpi.c or false +end + +local function getparagraph(id) + local jpi = collected[id] + return jpi and jpi.n +end + +local function getregion(id) local jpi = collected[id] if jpi then local r = jpi.r @@ -838,20 +768,15 @@ function jobpositions.region(id) return false end -function jobpositions.column(id) - local jpi = collected[id] - return jpi and jpi.c or false -end - -function jobpositions.paragraph(id) - local jpi = collected[id] - return jpi and jpi.n -end +jobpositions.page = getpage +jobpositions.column = getcolumn +jobpositions.paragraph = getparagraph +jobpositions.region = getregion -jobpositions.p = jobpositions.page -jobpositions.r = jobpositions.region -jobpositions.c = jobpositions.column -jobpositions.n = jobpositions.paragraph +jobpositions.p = getpage -- not used, kind of obsolete +jobpositions.c = getcolumn -- idem +jobpositions.n = getparagraph -- idem +jobpositions.r = getregion -- idem function jobpositions.x(id) local jpi = collected[id] @@ -1046,7 +971,7 @@ local function onsamepage(list,page) end local function columnofpos(realpage,xposition) - local p = job.positions.column[realpage] + local p = columndata[realpage] if p then for i=1,#p do local c = p[i] @@ -1318,7 +1243,7 @@ scanners.MPposset = function() -- name (special helper, used in backgrounds) local b = f_b_tag(name) local e = f_e_tag(name) local w = f_w_tag(name) - local p = f_p_tag(jobpositions.n(b)) + local p = f_p_tag(getparagraph(b)) MPpos(b) context(",") MPpos(e) context(",") MPpos(w) context(",") MPpos(p) context(",") MPpardata(p) end |