diff options
Diffstat (limited to 'tex/context/base/mkiv/node-fin.lua')
| -rw-r--r-- | tex/context/base/mkiv/node-fin.lua | 130 |
1 files changed, 60 insertions, 70 deletions
diff --git a/tex/context/base/mkiv/node-fin.lua b/tex/context/base/mkiv/node-fin.lua index ffb2ae49e..975eb0bec 100644 --- a/tex/context/base/mkiv/node-fin.lua +++ b/tex/context/base/mkiv/node-fin.lua @@ -19,7 +19,6 @@ local nuts = nodes.nuts local tonode = nuts.tonode local tonut = nuts.tonut -local getfield = nuts.getfield local getnext = nuts.getnext local getprev = nuts.getprev local getid = nuts.getid @@ -124,12 +123,6 @@ function nodes.installattributehandler(plugin) return loadstripped(template)() end --- for the moment: - -local function copied(n) - return copy_node(tonut(n)) -end - -- the injectors local nsdata, nsnone, nslistwise, nsforced, nsselector, nstrigger @@ -163,13 +156,13 @@ function states.finalize(namespace,attribute,head) -- is this one ok? if id == hlist_code or id == vlist_code then local content = getlist(head) if content then - local list = insert_node_before(content,content,copied(nsnone)) -- two return values + local list = insert_node_before(content,content,copy_node(nsnone)) -- two return values if list ~= content then setlist(head,list) end end else - head = insert_node_before(head,head,copied(nsnone)) + head = insert_node_before(head,head,copy_node(nsnone)) end return tonode(head), true, true end @@ -178,17 +171,15 @@ end -- we need to deal with literals too (reset as well as oval) -local function process(namespace,attribute,head,inheritance,default) -- one attribute +local function process(attribute,head,inheritance,default) -- one attribute local stack = head local done = false local check = false local leader = nil while stack do local id = getid(stack) - if id == glyph_code then - check = true - elseif id == disc_code then - check = true -- no longer needed as we flatten replace + if id == glyph_code or id == disc_code then + check = true -- disc no longer needed as we flatten replace elseif id == glue_code then leader = getleader(stack) if leader then @@ -201,7 +192,7 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr if nstrigger and getattr(stack,nstrigger) then local outer = getattr(stack,attribute) if outer ~= inheritance then - local list, ok = process(namespace,attribute,content,inheritance,outer) + local list, ok = process(attribute,content,inheritance,outer) if content ~= list then setlist(stack,list) end @@ -209,7 +200,7 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr done = true end else - local list, ok = process(namespace,attribute,content,inheritance,default) + local list, ok = process(attribute,content,inheritance,default) if content ~= list then setlist(stack,list) end @@ -218,7 +209,7 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr end end else - local list, ok = process(namespace,attribute,content,inheritance,default) + local list, ok = process(attribute,content,inheritance,default) if content ~= list then setlist(stack,list) end @@ -237,12 +228,12 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr if c then if default and c == inheritance then if current ~= default then - head = insert_node_before(head,stack,copied(nsdata[default])) + head = insert_node_before(head,stack,copy_node(nsdata[default])) current = default done = true end elseif current ~= c then - head = insert_node_before(head,stack,copied(nsdata[c])) + head = insert_node_before(head,stack,copy_node(nsdata[c])) current = c done = true end @@ -259,7 +250,7 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr if nstrigger and getattr(stack,nstrigger) then local outer = getattr(stack,attribute) if outer ~= inheritance then - local list, ok = process(namespace,attribute,leader,inheritance,outer) + local list, ok = process(attribute,leader,inheritance,outer) if leader ~= list then setleader(stack,list) end @@ -267,7 +258,7 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr done = true end else - local list, ok = process(namespace,attribute,leader,inheritance,default) + local list, ok = process(attribute,leader,inheritance,default) if leader ~= list then setleader(stack,list) end @@ -276,7 +267,7 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr end end else - local list, ok = process(namespace,attribute,leader,inheritance,default) + local list, ok = process(attribute,leader,inheritance,default) if leader ~= list then setleader(stack,list) end @@ -290,12 +281,12 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr end elseif default and inheritance then if current ~= default then - head = insert_node_before(head,stack,copied(nsdata[default])) + head = insert_node_before(head,stack,copy_node(nsdata[default])) current = default done = true end elseif current > 0 then - head = insert_node_before(head,stack,copied(nsnone)) + head = insert_node_before(head,stack,copy_node(nsnone)) current = 0 done = true end @@ -307,7 +298,7 @@ local function process(namespace,attribute,head,inheritance,default) -- one attr end states.process = function(namespace,attribute,head,default) - local head, done = process(namespace,attribute,tonut(head),default) + local head, done = process(attribute,tonut(head),default) return tonode(head), done end @@ -317,17 +308,16 @@ end -- state changes while the main state stays the same (like two glyphs following -- each other with the same color but different color spaces e.g. \showcolor) -local function selective(namespace,attribute,head,inheritance,default) -- two attributes +local function selective(attribute,head,inheritance,default) -- two attributes + -- local head = head local stack = head local done = false local check = false local leader = nil while stack do local id = getid(stack) - if id == glyph_code then - check = true - elseif id == disc_code then - check = true -- not needed when we flatten replace + if id == glyph_code or id == disc_code then + check = true -- disc no longer needed as we flatten replace elseif id == glue_code then leader = getleader(stack) if leader then @@ -340,7 +330,7 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at if nstrigger and getattr(stack,nstrigger) then local outer = getattr(stack,attribute) if outer ~= inheritance then - local list, ok = selective(namespace,attribute,content,inheritance,outer) + local list, ok = selective(attribute,content,inheritance,outer) if content ~= list then setlist(stack,list) end @@ -348,7 +338,7 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at done = true end else - local list, ok = selective(namespace,attribute,content,inheritance,default) + local list, ok = selective(attribute,content,inheritance,default) if content ~= list then setlist(stack,list) end @@ -357,7 +347,7 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at end end else - local list, ok = selective(namespace,attribute,content,inheritance,default) + local list, ok = selective(attribute,content,inheritance,default) if content ~= list then setlist(stack,list) end @@ -377,7 +367,7 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at if default and c == inheritance then if current ~= default then local data = nsdata[default] - head = insert_node_before(head,stack,copied(data[nsforced or getattr(stack,nsselector) or nsselector])) + head = insert_node_before(head,stack,copy_node(data[nsforced or getattr(stack,nsselector) or nsselector])) current = default if ok then done = true @@ -385,9 +375,11 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at end else local s = getattr(stack,nsselector) + -- local s = nsforced or getattr(stack,nsselector) if current ~= c or current_selector ~= s then local data = nsdata[c] - head = insert_node_before(head,stack,copied(data[nsforced or getattr(stack,nsselector) or nsselector])) + head = insert_node_before(head,stack,copy_node(data[nsforced or s or nsselector])) + -- head = insert_node_before(head,stack,copy_node(data[s or nsselector])) current = c current_selector = s if ok then @@ -398,9 +390,9 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at if leader then -- begin nested if nstrigger and getattr(stack,nstrigger) then - local outer = getatribute(stack,attribute) + local outer = getattr(stack,attribute) if outer ~= inheritance then - local list, ok = selective(namespace,attribute,leader,inheritance,outer) + local list, ok = selective(attribute,leader,inheritance,outer) if leader ~= list then setleader(stack,list) end @@ -408,7 +400,7 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at done = true end else - local list, ok = selective(namespace,attribute,leader,inheritance,default) + local list, ok = selective(attribute,leader,inheritance,default) if leader ~= list then setleader(stack,list) end @@ -417,7 +409,7 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at end end else - local list, ok = selective(namespace,attribute,leader,inheritance,default) + local list, ok = selective(attribute,leader,inheritance,default) if leader ~= list then setleader(stack,list) end @@ -431,12 +423,12 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at elseif default and inheritance then if current ~= default then local data = nsdata[default] - head = insert_node_before(head,stack,copied(data[nsforced or getattr(stack,nsselector) or nsselector])) + head = insert_node_before(head,stack,copy_node(data[nsforced or getattr(stack,nsselector) or nsselector])) current = default done = true end elseif current > 0 then - head = insert_node_before(head,stack,copied(nsnone)) + head = insert_node_before(head,stack,copy_node(nsnone)) current, current_selector, done = 0, 0, true end check = false @@ -447,8 +439,8 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at end states.selective = function(namespace,attribute,head,default) - local head, done = selective(namespace,attribute,tonut(head),default) - return tonode(head), done + local head = selective(attribute,tonut(head),default) + return tonode(head), true end -- Ideally the next one should be merged with the previous but keeping it separate is @@ -460,7 +452,7 @@ end -- Todo: make a better stacker. Keep track (in attribute) about nesting level. Not -- entirely trivial and a generic solution is nicer (compares to the exporter). -local function stacked(namespace,attribute,head,default) -- no triggering, no inheritance, but list-wise +local function stacked(attribute,head,default) -- no triggering, no inheritance, but list-wise local stack = head local done = false local current = default or 0 @@ -485,16 +477,16 @@ local function stacked(namespace,attribute,head,default) -- no triggering, no in if a and current ~= a and nslistwise[a] then -- viewerlayer / needs checking, see below local p = current current = a - head = insert_node_before(head,stack,copied(nsdata[a])) - local list = stacked(namespace,attribute,content,current) -- two return values + head = insert_node_before(head,stack,copy_node(nsdata[a])) + local list = stacked(attribute,content,current) -- two return values if content ~= list then setlist(stack,list) end - head, stack = insert_node_after(head,stack,copied(nsnone)) + head, stack = insert_node_after(head,stack,copy_node(nsnone)) current = p done = true else - local list, ok = stacked(namespace,attribute,content,current) + local list, ok = stacked(attribute,content,current) if content ~= list then setlist(stack,list) -- only if ok end @@ -503,7 +495,7 @@ local function stacked(namespace,attribute,head,default) -- no triggering, no in end end else - local list, ok = stacked(namespace,attribute,content,current) + local list, ok = stacked(attribute,content,current) if content ~= list then setlist(stack,list) -- only if ok end @@ -520,13 +512,13 @@ local function stacked(namespace,attribute,head,default) -- no triggering, no in local a = getattr(stack,attribute) if a then if current ~= a then - head = insert_node_before(head,stack,copied(nsdata[a])) + head = insert_node_before(head,stack,copy_node(nsdata[a])) depth = depth + 1 current = a done = true end if leader then - local list, ok = stacked(namespace,attribute,content,current) + local list, ok = stacked(attribute,content,current) if leader ~= list then setleader(stack,list) -- only if ok end @@ -538,7 +530,7 @@ local function stacked(namespace,attribute,head,default) -- no triggering, no in elseif default > 0 then -- elseif current > 0 then - head = insert_node_before(head,stack,copied(nsnone)) + head = insert_node_before(head,stack,copy_node(nsnone)) depth = depth - 1 current = 0 done = true @@ -548,20 +540,20 @@ local function stacked(namespace,attribute,head,default) -- no triggering, no in stack = getnext(stack) end while depth > 0 do - head = insert_node_after(head,stack,copied(nsnone)) + head = insert_node_after(head,stack,copy_node(nsnone)) depth = depth - 1 end return head, done end states.stacked = function(namespace,attribute,head,default) - local head, done = stacked(namespace,attribute,tonut(head),default) + local head, done = stacked(attribute,tonut(head),default) return tonode(head), done end -- experimental -local function stacker(namespace,attribute,head,default) -- no triggering, no inheritance, but list-wise +local function stacker(attribute,head,default) -- no triggering, no inheritance, but list-wise -- nsbegin() local stacked = false @@ -589,15 +581,15 @@ local function stacker(namespace,attribute,head,default) -- no triggering, no in elseif nslistwise then local a = getattr(current,attribute) if a and attrib ~= a and nslistwise[a] then -- viewerlayer - head = insert_node_before(head,current,copied(nsdata[a])) - local list = stacker(namespace,attribute,content,a) + head = insert_node_before(head,current,copy_node(nsdata[a])) + local list = stacker(attribute,content,a) if list ~= content then setlist(current,list) end done = true - head, current = insert_node_after(head,current,copied(nsnone)) + head, current = insert_node_after(head,current,copy_node(nsnone)) else - local list, ok = stacker(namespace,attribute,content,attrib) + local list, ok = stacker(attribute,content,attrib) if content ~= list then setlist(current,list) end @@ -606,7 +598,7 @@ local function stacker(namespace,attribute,head,default) -- no triggering, no in end end else - local list, ok = stacker(namespace,attribute,content,default) + local list, ok = stacker(attribute,content,default) if list ~= content then setlist(current,list) end @@ -633,7 +625,7 @@ local function stacker(namespace,attribute,head,default) -- no triggering, no in done = true if leader then -- tricky as a leader has to be a list so we cannot inject before - local list, ok = stacker(namespace,attribute,leader,attrib) + local list, ok = stacker(attribute,leader,attrib) if ok then done = true end @@ -647,21 +639,19 @@ local function stacker(namespace,attribute,head,default) -- no triggering, no in current = getnext(current) end -if stacked then - - local n = nsend() - while n do - head = insert_node_after(head,previous,tonut(n)) - n = nsend() + if stacked then + local n = nsend() + while n do + head = insert_node_after(head,previous,tonut(n)) + n = nsend() + end end -end - return head, done end states.stacker = function(namespace,attribute,head,default) - local head, done = stacker(namespace,attribute,tonut(head),default) + local head, done = stacker(attribute,tonut(head),default) nsreset() return tonode(head), done end |