diff options
Diffstat (limited to 'tex/context/base/mkiv/node-ref.lua')
| -rw-r--r-- | tex/context/base/mkiv/node-ref.lua | 238 |
1 files changed, 115 insertions, 123 deletions
diff --git a/tex/context/base/mkiv/node-ref.lua b/tex/context/base/mkiv/node-ref.lua index b313a00b6..1ec77e83d 100644 --- a/tex/context/base/mkiv/node-ref.lua +++ b/tex/context/base/mkiv/node-ref.lua @@ -16,6 +16,7 @@ if not modules then modules = { } end modules ['node-ref'] = { -- is grouplevel still used? +local tonumber = tonumber local concat = table.concat local attributes, nodes, node = attributes, nodes, node @@ -51,7 +52,6 @@ local tonode = nuts.tonode local tonut = nuts.tonut local getfield = nuts.getfield -local setfield = nuts.setfield local setlink = nuts.setlink local setnext = nuts.setnext local setprev = nuts.setprev @@ -69,6 +69,7 @@ local getsubtype = nuts.getsubtype local getwhd = nuts.getwhd local getdir = nuts.getdir local setshift = nuts.setshift +local getboxglue = nuts.getboxglue local hpack_list = nuts.hpack local vpack_list = nuts.vpack @@ -283,18 +284,16 @@ local function inject_range(head,first,last,reference,make,stack,parent,pardir,t reference,pardir or "---",txtdir or "---", tosequence(first,last,true),width,height,depth) end -if first == last and getid(parent) == vlist_code and getid(first) == hlist_code then - if trace_areas then - -- think of a button without \dontleavehmode in the mvl - report_area("compensating for link in vlist") - end - setlink(result,getlist(first)) - setlist(first,result) -else - -- setlink(getprev(first),result) - -- setlink(result,first) - setlink(getprev(first),result,first) -end + if first == last and getid(parent) == vlist_code and getid(first) == hlist_code then + if trace_areas then + -- think of a button without \dontleavehmode in the mvl + report_area("compensating for link in vlist") + end + setlink(result,getlist(first)) + setlist(first,result) + else + setlink(getprev(first),result,first) + end return head, last end else @@ -320,10 +319,11 @@ local function inject_list(id,current,reference,make,stack,pardir,txtdir) if prev and getid(prev) == glue_code and getsubtype(prev) == parfillskip_code then width = dimensions(current,first,getprev(prev)) -- maybe not current as we already take care of it else + local set, order, sign = getboxglue(current) if moveright then - width = width - getfield(first,"stretch") * getfield(current,"glue_set") * getfield(current,"glue_sign") + width = width - getfield(first,"stretch") * set * sign end - width = width - getfield(last,"stretch") * getfield(current,"glue_set") * getfield(current,"glue_sign") + width = width - getfield(last,"stretch") * set * sign end end else @@ -351,8 +351,6 @@ local function inject_list(id,current,reference,make,stack,pardir,txtdir) setlist(current,result) elseif moveright then -- brr no prevs done -- result after first - -- setlink(result,getnext(first)) - -- setlink(first,result) setlink(first,result,getnext(first)) else -- first after result @@ -371,61 +369,30 @@ end -- we need to do vlists differently local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,txtdir) -- main - if head then - local current, first, last, firstdir, reference = head, nil, nil, nil, nil - pardir = pardir or "===" - txtdir = txtdir or "===" - while current do - local id = getid(current) - if id == hlist_code or id == vlist_code then - local r = getattr(current,attribute) - -- test \goto{test}[page(2)] test \gotobox{test}[page(2)] - -- test \goto{\TeX}[page(2)] test \gotobox{\hbox {x} \hbox {x}}[page(2)] - -- if r and (not skip or r >) skip then -- maybe no > test - -- inject_list(id,current,r,make,stack,pardir,txtdir) - -- end - if r then - if not reference then - reference, first, last, firstdir = r, current, current, txtdir - elseif r == reference then - -- same link - last = current - elseif (done[reference] or 0) == 0 then - if not skip or r > skip then -- maybe no > test - head, current = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir) - reference, first, last, firstdir = nil, nil, nil, nil - end - else - reference, first, last, firstdir = r, current, current, txtdir - end - done[r] = (done[r] or 0) + 1 - end - local list = getlist(current) - if list then - local h, ok - h, ok , pardir, txtdir = inject_areas(list,attribute,make,stack,done,r or skip or 0,current,pardir,txtdir) - if h ~= current then - setlist(current,h) - end - end - if r then - done[r] = done[r] - 1 - end - elseif id == dir_code then - txtdir = getdir(current) - elseif id == localpar_code then - pardir = getdir(current) - elseif id == glue_code and getsubtype(current) == leftskip_code then -- any glue at the left? - -- - else - local r = getattr(current,attribute) - if not r then - -- just go on, can be kerns - elseif not reference then + local first, last, firstdir, reference + if not pardir then + pardir = "===" + end + if not texdir then + txtdir = "===" + end + local current = head + while current do + local id = getid(current) + if id == hlist_code or id == vlist_code then + local r = getattr(current,attribute) + -- test \goto{test}[page(2)] test \gotobox{test}[page(2)] + -- test \goto{\TeX}[page(2)] test \gotobox{\hbox {x} \hbox {x}}[page(2)] + -- if r and (not skip or r >) skip then -- maybe no > test + -- inject_list(id,current,r,make,stack,pardir,txtdir) + -- end + if r then + if not reference then reference, first, last, firstdir = r, current, current, txtdir elseif r == reference then + -- same link last = current - elseif (done[reference] or 0) == 0 then -- or id == glue_code and getsubtype(current) == right_skip_code + elseif (done[reference] or 0) == 0 then if not skip or r > skip then -- maybe no > test head, current = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir) reference, first, last, firstdir = nil, nil, nil, nil @@ -433,53 +400,89 @@ local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,tx else reference, first, last, firstdir = r, current, current, txtdir end + done[r] = (done[r] or 0) + 1 end - current = getnext(current) - end - if reference and (done[reference] or 0) == 0 then - head = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir) - end - end - return head, true, pardir, txtdir -end - -local function inject_area(head,attribute,make,stack,done,parent,pardir,txtdir) -- singular ! - if head then - pardir = pardir or "===" - txtdir = txtdir or "===" - local current = head - while current do - local id = getid(current) - if id == hlist_code or id == vlist_code then - local r = getattr(current,attribute) - if r and not done[r] then - done[r] = true - inject_list(id,current,r,make,stack,pardir,txtdir) + local list = getlist(current) + if list then + local h, ok + h, ok, pardir, txtdir = inject_areas(list,attribute,make,stack,done,r or skip or 0,current,pardir,txtdir) + if h ~= current then + setlist(current,h) end - local list = getlist(current) - if list then - local h = inject_area(list,attribute,make,stack,done,current,pardir,txtdir) - if h ~= current then - setlist(current,h) - end + end + if r then + done[r] = done[r] - 1 + end + elseif id == glue_code and getsubtype(current) == leftskip_code then -- any glue at the left? + -- + elseif id == dir_code then + txtdir = getdir(current) + elseif id == localpar_code then -- only test at begin + pardir = getdir(current) + else + local r = getattr(current,attribute) + if not r then + -- just go on, can be kerns + elseif not reference then + reference, first, last, firstdir = r, current, current, txtdir + elseif r == reference then + last = current + elseif (done[reference] or 0) == 0 then -- or id == glue_code and getsubtype(current) == right_skip_code + if not skip or r > skip then -- maybe no > test + head, current = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir) + reference, first, last, firstdir = nil, nil, nil, nil end - elseif id == dir_code then - txtdir = getdir(current) - elseif id == localpar_code then - pardir = getdir(current) else - local r = getattr(current,attribute) - if r and not done[r] then - done[r] = true - head, current = inject_range(head,current,current,r,make,stack,parent,pardir,txtdir) - end + reference, first, last, firstdir = r, current, current, txtdir end - current = getnext(current) end + current = getnext(current) + end + if reference and (done[reference] or 0) == 0 then + head = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir) end - return head, true + return head, true, pardir, txtdir end +-- local function inject_area(head,attribute,make,stack,done,parent,pardir,txtdir) -- singular ! +-- if not pardir then +-- pardir = "===" +-- end +-- if not texdir then +-- txtdir = "===" +-- end +-- local current = head +-- while current do +-- local id = getid(current) +-- if id == hlist_code or id == vlist_code then +-- local r = getattr(current,attribute) +-- if r and not done[r] then +-- done[r] = true +-- inject_list(id,current,r,make,stack,pardir,txtdir) +-- end +-- local list = getlist(current) +-- if list then +-- local h = inject_area(list,attribute,make,stack,done,current,pardir,txtdir) +-- if h ~= current then +-- setlist(current,h) +-- end +-- end +-- elseif id == dir_code then +-- txtdir = getdir(current) +-- elseif id == localpar_code then +-- pardir = getdir(current) +-- else +-- local r = getattr(current,attribute) +-- if r and not done[r] then +-- done[r] = true +-- head, current = inject_range(head,current,current,r,make,stack,parent,pardir,txtdir) +-- end +-- end +-- current = getnext(current) +-- end +-- return head, true +-- end + -- tracing: todo: use predefined colors local register_color = colors.register @@ -555,8 +558,6 @@ local function colorize(width,height,depth,n,reference,what,sr,offset) local text = addstring(what,sr,shift) if text then local kern = new_kern(-getwidth(text)) - -- setlink(kern,text) - -- setlink(text,rule) setlink(kern,text,rule) return kern end @@ -669,17 +670,9 @@ local function makereference(width,height,depth,reference) -- height and depth a end end --- function nodes.references.handler(head) --- if topofstack > 0 then --- return inject_areas(head,attribute,makereference,stack,done) --- else --- return head, false --- end --- end - function nodes.references.handler(head) - if topofstack > 0 then - head = tonut(head) + if head and topofstack > 0 then + local head = tonut(head) local head, done = inject_areas(head,attribute,makereference,stack,done) return tonode(head), done else @@ -791,7 +784,7 @@ local function makedestination(width,height,depth,reference) end -- function nodes.destinations.handler(head) --- if topofstack > 0 then +-- if head and topofstack > 0 then -- return inject_area(head,attribute,makedestination,stack,done) -- singular -- else -- return head, false @@ -799,8 +792,8 @@ end -- end function nodes.destinations.handler(head) - if topofstack > 0 then - head = tonut(head) + if head and topofstack > 0 then + local head = tonut(head) local head, done = inject_areas(head,attribute,makedestination,stack,done) return tonode(head), done else @@ -808,7 +801,6 @@ function nodes.destinations.handler(head) end end - -- will move function references.mark(reference,h,d,view) |