diff options
Diffstat (limited to 'tex/context/base/node-ref.lua')
| -rw-r--r-- | tex/context/base/node-ref.lua | 220 |
1 files changed, 127 insertions, 93 deletions
diff --git a/tex/context/base/node-ref.lua b/tex/context/base/node-ref.lua index aa864fb1c..7cfbde849 100644 --- a/tex/context/base/node-ref.lua +++ b/tex/context/base/node-ref.lua @@ -21,7 +21,6 @@ local attributes, nodes, node = attributes, nodes, node local allocate = utilities.storage.allocate, utilities.storage.mark local mark = utilities.storage.allocate, utilities.storage.mark - local nodeinjections = backends.nodeinjections local codeinjections = backends.codeinjections @@ -33,9 +32,6 @@ local colors = attributes.colors local references = structures.references local tasks = nodes.tasks -local hpack_list = node.hpack -local list_dimensions = node.dimensions - local trace_backend = false trackers.register("nodes.backend", function(v) trace_backend = v end) local trace_references = false trackers.register("nodes.references", function(v) trace_references = v end) local trace_destinations = false trackers.register("nodes.destinations", function(v) trace_destinations = v end) @@ -44,6 +40,27 @@ local report_reference = logs.reporter("backend","references") local report_destination = logs.reporter("backend","destinations") local report_area = logs.reporter("backend","areas") +local nuts = nodes.nuts +local nodepool = nuts.pool + +local tonode = nuts.tonode +local tonut = nuts.tonut + +local getfield = nuts.getfield +local setfield = nuts.setfield +local getnext = nuts.getnext +local getprev = nuts.getprev +local getid = nuts.getid +local getlist = nuts.getlist +local getattr = nuts.getattr +local setattr = nuts.setattr +local getsubtype = nuts.getsubtype + +local hpack_list = nuts.hpack +local list_dimensions = nuts.dimensions +local traverse = nuts.traverse +local find_node_tail = nuts.tail + local nodecodes = nodes.nodecodes local skipcodes = nodes.skipcodes local whatcodes = nodes.whatcodes @@ -63,21 +80,18 @@ local dir_code = whatcodes.dir local line_code = listcodes.line -local nodepool = nodes.pool - +local new_rule = nodepool.rule local new_kern = nodepool.kern -local traverse = node.traverse -local find_node_tail = node.tail or node.slide local tosequence = nodes.tosequence -- local function dimensions(parent,start,stop) --- stop = stop and stop.next +-- stop = stop and getnext(stop) -- if parent then -- if stop then --- return list_dimensions(parent.glue_set,parent.glue_sign,parent.glue_order,start,stop) +-- return list_dimensions(getfield(parent,"glue_set"),getfield(parent,"glue_sign"),getfield(parent,"glue_order"),start,stop) -- else --- return list_dimensions(parent.glue_set,parent.glue_sign,parent.glue_order,start) +-- return list_dimensions(getfield(parent,"glue_set"),getfield(parent,"glue_sign",getfield(parent,"glue_order"),start) -- end -- else -- if stop then @@ -92,9 +106,9 @@ local tosequence = nodes.tosequence local function dimensions(parent,start,stop) if parent then - return list_dimensions(parent.glue_set,parent.glue_sign,parent.glue_order,start,stop and stop.next) + return list_dimensions(getfield(parent,"glue_set"),getfield(parent,"glue_sign"),getfield(parent,"glue_order"),start,stop and getnext(stop)) else - return list_dimensions(start,stop and stop.next) + return list_dimensions(start,stop and getnext(stop)) end end @@ -111,25 +125,25 @@ local function inject_range(head,first,last,reference,make,stack,parent,pardir,t if trace_backend then report_area("head: %04i %s %s %s => w=%p, h=%p, d=%p, c=%s",reference,pardir or "---",txtdir or "----",tosequence(first,last,true),width,height,depth,resolved) end - result.next = first - first.prev = result + setfield(result,"next",first) + setfield(first,"prev",result) return result, last else if trace_backend then report_area("middle: %04i %s %s => w=%p, h=%p, d=%p, c=%s",reference,pardir or "---",txtdir or "----",tosequence(first,last,true),width,height,depth,resolved) end - local prev = first.prev + local prev = getprev(first) if prev then - result.next = first - result.prev = prev - prev.next = result - first.prev = result + setfield(result,"next",first) + setfield(result,"prev",prev) + setfield(prev,"next",result) + setfield(first,"prev",result) else - result.next = first - first.prev = result + setfield(result,"next",first) + setfield(first,"prev",result) end - if first == head.next then - head.next = result -- hm, weird + if first == getnext(head) then + setfield(head,"next",result) -- hm, weird end return head, last end @@ -139,9 +153,9 @@ local function inject_range(head,first,last,reference,make,stack,parent,pardir,t end local function inject_list(id,current,reference,make,stack,pardir,txtdir) - local width, height, depth, correction = current.width, current.height, current.depth, 0 + local width, height, depth, correction = getfield(current,"width"), getfield(current,"height"), getfield(current,"depth"), 0 local moveright = false - local first = current.list + local first = getlist(current) if id == hlist_code then -- box_code line_code -- can be either an explicit hbox or a line and there is no way -- to recognize this; anyway only if ht/dp (then inline) @@ -149,17 +163,17 @@ local function inject_list(id,current,reference,make,stack,pardir,txtdir) if first then if sr and sr[2] then local last = find_node_tail(first) - if last.id == glue_code and last.subtype == rightskip_code then - local prev = last.prev - moveright = first.id == glue_code and first.subtype == leftskip_code - if prev and prev.id == glue_code and prev.subtype == parfillskip_code then - width = dimensions(current,first,prev.prev) -- maybe not current as we already take care of it + if getid(last) == glue_code and getsubtype(last) == rightskip_code then + local prev = getprev(last) + moveright = getid(first) == glue_code and getsubtype(first) == leftskip_code + 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 - if moveright and first.writable then - width = width - first.spec.stretch*current.glue_set * current.glue_sign + if moveright and getfield(first,"writable") then + width = width - getfield(getfield(first,"spec"),"stretch") * getfield(current,"glue_set") * getfield(current,"glue_sign") end - if last.writable then - width = width - last.spec.stretch*current.glue_set * current.glue_sign + if getfield(last,"writable") then + width = width - getfield(getfield(last,"spec"),"stretch") * getfield(current,"glue_set") * getfield(current,"glue_sign") end end end @@ -184,19 +198,21 @@ local function inject_list(id,current,reference,make,stack,pardir,txtdir) report_area("box: %04i %s %s: w=%p, h=%p, d=%p, c=%s",reference,pardir or "---",txtdir or "----",width,height,depth,resolved) end if not first then - current.list = result + setfield(current,"list",result) elseif moveright then -- brr no prevs done -- result after first - local n = first.next - result.next = n - first.next = result - result.prev = first - if n then n.prev = result end + local n = getnext(first) + setfield(result,"next",n) + setfield(first,"next",result) + setfield(result,"prev",first) + if n then + setfield(n,"prev",result) + end else -- first after result - result.next = first - first.prev = result - current.list = result + setfield(result,"next",first) + setfield(first,"prev",result) + setfield(current,"list",result) end end end @@ -209,9 +225,9 @@ local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,tx pardir = pardir or "===" txtdir = txtdir or "===" while current do - local id = current.id + local id = getid(current) if id == hlist_code or id == vlist_code then - local r = current[attribute] + local r = getattr(current,attribute) -- somehow reference is true so the following fails (second one not done) in -- test \goto{test}[page(2)] test \gotobox{test}[page(2)] -- so let's wait till this fails again @@ -222,32 +238,33 @@ local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,tx if r then done[r] = (done[r] or 0) + 1 end - local list = current.list + local list = getlist(current) if list then - local _ - current.list, _, pardir, txtdir = inject_areas(list,attribute,make,stack,done,r or skip or 0,current,pardir,txtdir) + local h, ok + h, ok , pardir, txtdir = inject_areas(list,attribute,make,stack,done,r or skip or 0,current,pardir,txtdir) + setfield(current,"list",h) end if r then done[r] = done[r] - 1 end elseif id == whatsit_code then - local subtype = current.subtype + local subtype = getsubtype(current) if subtype == localpar_code then - pardir = current.dir + pardir = getfield(current,"dir") elseif subtype == dir_code then - txtdir = current.dir + txtdir = getfield(current,"dir") end - elseif id == glue_code and current.subtype == leftskip_code then -- any glue at the left? + elseif id == glue_code and getsubtype(current) == leftskip_code then -- any glue at the left? -- else - local r = current[attribute] + 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 current.subtype == right_skip_code + 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 @@ -256,7 +273,7 @@ local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,tx reference, first, last, firstdir = r, current, current, txtdir end end - current = current.next + 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) @@ -271,32 +288,32 @@ local function inject_area(head,attribute,make,stack,done,parent,pardir,txtdir) txtdir = txtdir or "===" local current = head while current do - local id = current.id + local id = getid(current) if id == hlist_code or id == vlist_code then - local r = current[attribute] + 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 = current.list + local list = getlist(current) if list then - current.list = inject_area(list,attribute,make,stack,done,current,pardir,txtdir) + setfield(current,"list",inject_area(list,attribute,make,stack,done,current,pardir,txtdir)) end elseif id == whatsit_code then - local subtype = current.subtype + local subtype = getsubtype(current) if subtype == localpar_code then - pardir = current.dir + pardir = getfield(current,"dir") elseif subtype == dir_code then - txtdir = current.dir + txtdir = getfield(current,"dir") end else - local r = current[attribute] + 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 = current.next + current = getnext(current) end end return head, true @@ -304,12 +321,6 @@ end -- tracing -local nodepool = nodes.pool - -local new_rule = nodepool.rule -local new_kern = nodepool.kern - -local set_attribute = node.set_attribute local register_color = colors.register local a_color = attributes.private('color') @@ -346,15 +357,15 @@ local function colorize(width,height,depth,n,reference,what) height = 65536/2 depth = height end - local rule = new_rule(width,height,depth) - rule[a_colormodel] = 1 -- gray color model - rule[a_color] = u_color - rule[a_transparency] = u_transparency + local rule = new_rule(width,height,depth) -- todo: use tracer rule + setattr(rule,a_colormodel,1) -- gray color model + setattr(rule,a_color,u_color) + setattr(rule,a_transparency,u_transparency) if width < 0 then local kern = new_kern(width) - rule.width = -width - kern.next = rule - rule.prev = kern + setfield(rule,"width",-width) + setfield(kern,"next",rule) + setfield(rule,"prev",kern) return kern else return rule @@ -363,9 +374,6 @@ end -- references: -local nodepool = nodes.pool -local new_kern = nodepool.kern - local texsetattribute = tex.setattribute local texsetcount = tex.setcount @@ -410,22 +418,25 @@ local function makereference(width,height,depth,reference) end local annot = nodeinjections.reference(width,height,depth,set) if annot then +annot = tonut(annot) nofreferences = nofreferences + 1 local result, current if trace_references then local step = 65536 result = hpack_list(colorize(width,height-step,depth-step,2,reference,"reference")) -- step subtracted so that we can see seperate links - result.width = 0 + setfield(result,"width",0) current = result end if current then - current.next = annot + setfield(current,"next",annot) else result = annot end references.registerpage(n) result = hpack_list(result,0) - result.width, result.height, result.depth = 0, 0, 0 + setfield(result,"width",0) + setfield(result,"height",0) + setfield(result,"depth",0) if cleanupreferences then stack[reference] = nil end return result, resolved elseif trace_references then @@ -436,9 +447,19 @@ local function makereference(width,height,depth,reference) 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 - return inject_areas(head,attribute,makereference,stack,done) + head = tonut(head) + local head, done = inject_areas(head,attribute,makereference,stack,done) + return tonode(head), done else return head, false end @@ -484,12 +505,12 @@ local function makedestination(width,height,depth,reference) end for n=1,#name do local rule = hpack_list(colorize(width,height,depth,3,reference,"destination")) - rule.width = 0 + setfield(rule,"width",0) if not result then result, current = rule, rule else - current.next = rule - rule.prev = current + setfield(current,"next",rule) + setfield(rule,"prev",current) current = rule end width, height = width - step, height - step @@ -499,12 +520,12 @@ local function makedestination(width,height,depth,reference) for n=1,#name do local annot = nodeinjections.destination(width,height,depth,name[n],view) if annot then - -- probably duplicate +annot = tonut(annot) -- obsolete soon if not result then result = annot else - current.next = annot - annot.prev = current + setfield(current,"next",annot) + setfield(annot,"prev",current) end current = find_node_tail(annot) end @@ -512,7 +533,9 @@ local function makedestination(width,height,depth,reference) if result then -- some internal error result = hpack_list(result,0) - result.width, result.height, result.depth = 0, 0, 0 + setfield(result,"width",0) + setfield(result,"height",0) + setfield(result,"depth",0) end if cleanupdestinations then stack[reference] = nil end return result, resolved @@ -521,14 +544,25 @@ local function makedestination(width,height,depth,reference) end end +-- function nodes.destinations.handler(head) +-- if topofstack > 0 then +-- return inject_area(head,attribute,makedestination,stack,done) -- singular +-- else +-- return head, false +-- end +-- end + function nodes.destinations.handler(head) if topofstack > 0 then - return inject_area(head,attribute,makedestination,stack,done) -- singular + head = tonut(head) + local head, done = inject_areas(head,attribute,makedestination,stack,done) + return tonode(head), done else return head, false end end + -- will move function references.mark(reference,h,d,view) |