diff options
Diffstat (limited to 'tex/context/base/typo-dig.lua')
| -rw-r--r-- | tex/context/base/typo-dig.lua | 58 |
1 files changed, 18 insertions, 40 deletions
diff --git a/tex/context/base/typo-dig.lua b/tex/context/base/typo-dig.lua index 67849c6d4..ef05e62da 100644 --- a/tex/context/base/typo-dig.lua +++ b/tex/context/base/typo-dig.lua @@ -19,24 +19,10 @@ local report_digits = logs.reporter("typesetting","digits") local nodes, node = nodes, node -local nuts = nodes.nuts -local tonut = nuts.tonut -local tonode = nuts.tonode - -local getnext = nuts.getnext -local getprev = nuts.getprev -local getfont = nuts.getfont -local getchar = nuts.getchar -local getid = nuts.getid -local getfield = nuts.getfield -local setfield = nuts.setfield -local getattr = nuts.getattr -local setattr = nuts.setattr - -local hpack_node = nuts.hpack -local traverse_id = nuts.traverse_id -local insert_node_before = nuts.insert_before -local insert_node_after = nuts.insert_after +local hpack_node = node.hpack +local traverse_id = node.traverse_id +local insert_node_before = node.insert_before +local insert_node_after = node.insert_after local texsetattribute = tex.setattribute local unsetvalue = attributes.unsetvalue @@ -44,7 +30,7 @@ local unsetvalue = attributes.unsetvalue local nodecodes = nodes.nodecodes local glyph_code = nodecodes.glyph -local nodepool = nuts.pool +local nodepool = nodes.pool local tasks = nodes.tasks local new_glue = nodepool.glue @@ -80,20 +66,16 @@ function nodes.aligned(head,start,stop,width,how) if how == "flushleft" or how == "middle" then head, stop = insert_node_after(head,stop,new_glue(0,65536,65536)) end - local prv = getprev(start) - local nxt = getnext(stop) - setfield(start,"prev",nil) - setfield(stop,"next",nil) + local prv, nxt = start.prev, stop.next + start.prev, stop.next = nil, nil local packed = hpack_node(start,width,"exactly") -- no directional mess here, just lr if prv then - setfield(prv,"next",packed) - setfield(packed,"prev",prv) + prv.next, packed.prev = packed, prv end if nxt then - setfield(nxt,"prev",packed) - setfield(packed,"next",nxt) + nxt.prev, packed.next = packed, nxt end - if getprev(packed) then + if packed.prev then return head, packed else return packed, packed @@ -101,13 +83,12 @@ function nodes.aligned(head,start,stop,width,how) end actions[1] = function(head,start,attr) - local font = getfont(start) - local char = getchar(start) + local font = start.font + local char = start.char local unic = chardata[font][char].tounicode local what = unic and tonumber(unic,16) or char if charbase[what].category == "nd" then - local oldwidth = getfield(start,"width") - local newwidth = getdigitwidth(font) + local oldwidth, newwidth = start.width, getdigitwidth(font) if newwidth ~= oldwidth then if trace_digits then report_digits("digit trigger %a, instance %a, char %C, unicode %U, delta %s", @@ -121,13 +102,12 @@ actions[1] = function(head,start,attr) end function digits.handler(head) - head = tonut(head) local done, current, ok = false, head, false while current do - if getid(current) == glyph_code then - local attr = getattr(current,a_digits) + if current.id == glyph_code then + local attr = current[a_digits] if attr and attr > 0 then - setattr(current,a_digits,unsetvalue) + current[a_digits] = unsetvalue local action = actions[attr%100] -- map back to low number if action then head, current, ok = action(head,current,attr) @@ -137,11 +117,9 @@ function digits.handler(head) end end end - if current then - current = getnext(current) - end + current = current and current.next end - return tonode(head), done + return head, done end local m, enabled = 0, false -- a trick to make neighbouring ranges work |