diff options
Diffstat (limited to 'tex/context/base/attr-lay.lua')
| -rw-r--r-- | tex/context/base/attr-lay.lua | 98 |
1 files changed, 28 insertions, 70 deletions
diff --git a/tex/context/base/attr-lay.lua b/tex/context/base/attr-lay.lua index 5e5e81ff1..bcdc541f7 100644 --- a/tex/context/base/attr-lay.lua +++ b/tex/context/base/attr-lay.lua @@ -10,15 +10,9 @@ if not modules then modules = { } end modules ['attr-lay'] = { -- but when we need it stacked layers might show up too; the next function based -- approach can be replaced by static (metatable driven) resolvers --- maybe use backends.registrations here too - local type = type local format = string.format -local insert, remove, concat = table.insert, table.remove, table.concat - -local attributes, nodes, utilities, logs, backends = attributes, nodes, utilities, logs, backends -local commands, context, interfaces = commands, context, interfaces -local tex = tex +local insert, remove = table.insert, table.remove local allocate = utilities.storage.allocate local setmetatableindex = table.setmetatableindex @@ -32,6 +26,8 @@ local report_viewerlayers = logs.reporter("viewerlayers") -- nb. too many "0 g"s -- nb: more local tables +local attributes, nodes = attributes, nodes + attributes.viewerlayers = attributes.viewerlayers or { } local viewerlayers = attributes.viewerlayers @@ -61,42 +57,22 @@ local texgetattribute = tex.getattribute local texsettokenlist = tex.settoks local unsetvalue = attributes.unsetvalue -local nodepool = nodes.pool - -local data = viewerlayers.data -local values = viewerlayers.values -local listwise = viewerlayers.listwise -local registered = viewerlayers.registered -local scopes = viewerlayers.scopes - -local template = "%s" +storage.register("attributes/viewerlayers/registered", viewerlayers.registered, "attributes.viewerlayers.registered") +storage.register("attributes/viewerlayers/values", viewerlayers.values, "attributes.viewerlayers.values") +storage.register("attributes/viewerlayers/scopes", viewerlayers.scopes, "attributes.viewerlayers.scopes") -storage.register("attributes/viewerlayers/registered", registered, "attributes.viewerlayers.registered") -storage.register("attributes/viewerlayers/values", values, "attributes.viewerlayers.values") -storage.register("attributes/viewerlayers/scopes", scopes, "attributes.viewerlayers.scopes") - -local layerstacker = utilities.stacker.new("layers") -- experiment - -layerstacker.mode = "stack" -layerstacker.unset = attributes.unsetvalue - -viewerlayers.resolve_begin = layerstacker.resolve_begin -viewerlayers.resolve_step = layerstacker.resolve_step -viewerlayers.resolve_end = layerstacker.resolve_end - -function commands.cleanuplayers() - layerstacker.clean() - -- todo -end +local data = viewerlayers.data +local values = viewerlayers.values +local listwise = viewerlayers.listwise +local registered = viewerlayers.registered +local scopes = viewerlayers.scopes +local template = "%s" -- stacked -local function startlayer(...) startlayer = nodeinjections.startlayer return startlayer(...) end -local function stoplayer (...) stoplayer = nodeinjections.stoplayer return stoplayer (...) end - local function extender(viewerlayers,key) if viewerlayers.supported and key == "none" then - local d = stoplayer() + local d = nodeinjections.stoplayer() viewerlayers.none = d return d end @@ -106,7 +82,7 @@ local function reviver(data,n) if viewerlayers.supported then local v = values[n] if v then - local d = startlayer(v) + local d = nodeinjections.startlayer(v) data[n] = d return d else @@ -115,14 +91,8 @@ local function reviver(data,n) end end -setmetatableindex(viewerlayers,extender) -setmetatableindex(viewerlayers.data,reviver) - --- !!!! TEST CODE !!!! - -layerstacker.start = function(...) local f = nodeinjections.startstackedlayer layerstacker.start = f return f(...) end -layerstacker.stop = function(...) local f = nodeinjections.stopstackedlayer layerstacker.stop = f return f(...) end -layerstacker.change = function(...) local f = nodeinjections.changestackedlayer layerstacker.change = f return f(...) end +setmetatableindex(viewerlayers, extender) +setmetatableindex(viewerlayers.data, reviver) local function initializer(...) return states.initialize(...) @@ -133,8 +103,7 @@ attributes.viewerlayers.handler = nodes.installattributehandler { namespace = viewerlayers, initializer = initializer, finalizer = states.finalize, - -- processor = states.stacked, - processor = states.stacker, + processor = states.stacked, } local stack, enabled, global = { }, false, false @@ -180,16 +149,12 @@ function viewerlayers.setfeatures(hasorder) viewerlayers.hasorder = hasorder end -local usestacker = true -- new, experimental - function viewerlayers.start(name) - local a - if usestacker then - a = layerstacker.push(register(name) or unsetvalue) - else - insert(stack,texgetattribute(a_viewerlayer)) - a = register(name) or unsetvalue - end +-- if not enabled then +-- viewerlayers.enable(true) +-- end + insert(stack,texgetattribute(a_viewerlayer)) + local a = register(name) or unsetvalue if global or scopes[name] == v_global then scopes[a] = v_global -- messy but we don't know the attributes yet texsetattribute("global",a_viewerlayer,a) @@ -200,21 +165,14 @@ function viewerlayers.start(name) end function viewerlayers.stop() - local a - if usestacker then - a = layerstacker.pop() - else - a = remove(stack) - end - if not a then - -- error - elseif a >= 0 then + local a = remove(stack) + if a >= 0 then if global or scopes[a] == v_global then texsetattribute("global",a_viewerlayer,a) else texsetattribute(a_viewerlayer,a) end - texsettokenlist("currentviewerlayertoks",values[a] or "") + texsettokenlist("currentviewerlayertoks",values[a]) else if global or scopes[a] == v_global then texsetattribute("global",a_viewerlayer,unsetvalue) @@ -239,9 +197,9 @@ function viewerlayers.define(settings) end end -commands.defineviewerlayer = viewerlayers.define -commands.startviewerlayer = viewerlayers.start -commands.stopviewerlayer = viewerlayers.stop +commands.defineviewerlayer = viewerlayers.define +commands.startviewerlayer = viewerlayers.start +commands.stopviewerlayer = viewerlayers.stop function commands.definedviewerlayer(settings) viewerlayers.define(settings) |