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| author | Hans Hagen <pragma@wxs.nl> | 2018-05-24 17:32:43 +0200 |
|---|---|---|
| committer | Context Git Mirror Bot <phg42.2a@gmail.com> | 2018-05-24 17:32:43 +0200 |
| commit | e52e58ff4a7007ca774905727391e5f78135f98d (patch) | |
| tree | 55357f7bcd2825670a21f79b7f3c3fa9a1404e8f /tex/context/base/mkiv/node-fin.lua | |
| parent | 6a68bb9d4e7e8454b031143b9cd14edf3702a68d (diff) | |
| download | context-e52e58ff4a7007ca774905727391e5f78135f98d.tar.gz | |
2018-05-24 15:56:00
Diffstat (limited to 'tex/context/base/mkiv/node-fin.lua')
| -rw-r--r-- | tex/context/base/mkiv/node-fin.lua | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/node-fin.lua b/tex/context/base/mkiv/node-fin.lua index f7e2c7904..3139263ab 100644 --- a/tex/context/base/mkiv/node-fin.lua +++ b/tex/context/base/mkiv/node-fin.lua @@ -725,6 +725,89 @@ local function stacker(attribute,head,default) -- no triggering, no inheritance, return head end +-- local nextid = nodes.nuts.traversers.id +-- +-- local function stacker(attribute,head,default) -- no triggering, no inheritance, but list-wise +-- +-- -- nsbegin() +-- local stacked = false +-- +-- local current = head +-- local previous = head +-- local attrib = default or unsetvalue +-- local check = false +-- local leader = false +-- +-- local id = getid(current) +-- while current do +-- if id == glyph_code then +-- check = true +-- elseif id == glue_code then +-- leader = getleader(current) +-- if leader then +-- check = true +-- end +-- elseif id == hlist_code or id == vlist_code then +-- local content = getlist(current) +-- if content then +-- local list +-- if nslistwise then +-- local a = getattr(current,attribute) +-- if a and attrib ~= a and nslistwise[a] then -- viewerlayer +-- head = insert_node_before(head,current,copy_node(nsdata[a])) +-- list = stacker(attribute,content,a) +-- head, current = insert_node_after(head,current,copy_node(nsnone)) +-- else +-- list = stacker(attribute,content,attrib) +-- end +-- else +-- list = stacker(attribute,content,default) +-- end +-- if list ~= content then +-- setlist(current,list) +-- end +-- end +-- elseif id == rule_code then +-- check = getwidth(current) ~= 0 +-- end +-- +-- if check then +-- local a = getattr(current,attribute) or unsetvalue +-- if a ~= attrib then +-- if not stacked then +-- stacked = true +-- nsbegin() +-- end +-- local n = nsstep(a) +-- if n then +-- head = insert_node_before(head,current,tonut(n)) -- a +-- end +-- attrib = a +-- if leader then +-- -- tricky as a leader has to be a list so we cannot inject before +-- local list = stacker(attribute,leader,attrib) +-- leader = false +-- end +-- end +-- check = false +-- end +-- +-- previous = current +-- +-- current, id = nextid(current,current) +-- end +-- +-- if stacked then +-- local n = nsend() +-- while n do +-- head = insert_node_after(head,previous,tonut(n)) +-- n = nsend() +-- end +-- end +-- +-- return head +-- end + states.stacker = function(namespace,attribute,head,default) local head = stacker(attribute,head,default) nsreset() |