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\usemodule[chart]
\startluacode
local format = string.format
local points = number.nopts
local ptfactor = number.dimenfactors.pt
local nodecodes = nodes.nodecodes
local kerncodes = nodes.kerncodes
local penaltycodes = nodes.penaltycodes
local gluecodes = nodes.gluecodes
local whatsitcodes = nodes.whatsitcodes
local formatters = { }
function formatters.glyph(n,comment)
-- subtype font char lang left right uchyph components xoffset yoffset width height depth
return format("\\doFLOWglyphnode{%s}{%s}{%s}{%s}{U+%05X}",comment,n.subtype,n.font,n.char,n.char)
end
function formatters.disc(n,comment)
-- pre post replace
return format("\\doFLOWdiscnode{%s}{%s}",comment,n.subtype)
end
function formatters.kern(n,comment)
-- subtype kern
-- return format("\\doFLOWkernnode{%s}{%s}{%s}",comment,kerncodes[n.subtype],points(n.kern))
return format("\\doFLOWkernnode{%s}{%s}{%.4f}",comment,kerncodes[n.subtype],n.kern*ptfactor)
end
function formatters.penalty(n,comment)
-- subtype penalty
return format("\\doFLOWpenaltynode{%s}{%s}{%s}",comment,"penalty",n.penalty)
end
function formatters.glue(n,comment)
-- subtype width leader spec (stretch shrink ...
local s = n.spec
-- return format("\\doFLOWgluenode{%s}{%s}{%s}{%s}{%s}",comment,gluecodes[n.subtype],points(s.width),points(s.stretch),points(s.shrink))
return format("\\doFLOWgluenode{%s}{%s}{%.4f}{%.4f}{%.4f}",comment,gluecodes[n.subtype],s.width*ptfactor,s.stretch*ptfactor,s.shrink*ptfactor)
end
function formatters.whatsit(n,comment)
-- subtype width leader spec (stretch shrink ...
local subtype = n.subtype
local whatsit = whatsitcodes[subtype]
if whatsit == "dir" or whatsit == "localpar" then
return format("\\doFLOWdirnode{%s}{%s}{%s}",comment,whatsit,n.dir)
else
return nodecodes[n.id]
end
end
local shapes = { -- I will make a dedicated set of shapes for this.
glyph = "procedure",
disc = "procedure",
kern = "action",
penalty = "action",
glue = "action",
}
local function flow_nodes_to_chart(head,comment,x,y,how)
local current = head
while current do
local nodecode = nodecodes[current.id]
local formatter = formatters[nodecode]
local shape = shapes[nodecode]
y = y + 1
local next = current.next
commands.flow_start_cell { shape = { framecolor = "nodechart:" .. nodecode } }
commands.flow_set_name(tostring(current))
commands.flow_set_location(x,y)
if shape then
commands.flow_set_shape(shape)
end
if formatter then
commands.flow_set_text("node",formatter(current,comment))
else
commands.flow_set_text("node",nodecode)
end
if next then
commands.flow_set_connection("bt","",tostring(next))
end
if nodecode == "glyph" then
local components = current.components
if components then
commands.flow_set_connection("rl","",tostring(components))
commands.flow_stop_cell()
n = flow_nodes_to_chart(components,"component",x+2,y-1)
else
commands.flow_stop_cell()
end
elseif nodecode == "disc" then
local pre = current.pre
local pos = current.post
local rep = current.replace
if pre and not rep and not rep then
if pre then
commands.flow_set_connection("rl","",tostring(pre))
end
commands.flow_stop_cell()
if pre then
n = flow_nodes_to_chart(pre,"prebreak",x+1,y-1)
end
else
if pre then
commands.flow_set_connection("+rl","",tostring(pre))
end
if rep then
commands.flow_set_connection("rl","",tostring(rep))
end
if pos then
commands.flow_set_connection("-rl","",tostring(pos))
end
commands.flow_stop_cell()
if pre then
n = flow_nodes_to_chart(pre,"prebreak",x+1,y-2)
end
if rep then
n = flow_nodes_to_chart(rep,"replacement",x+1,y-1)
end
if pos then
n = flow_nodes_to_chart(pos,"postbreak",x+1,y)
end
end
elseif nodecode == "hlist" then
local list = current.list
if list then
commands.flow_set_connection("rl","",tostring(list))
commands.flow_stop_cell()
n = flow_nodes_to_chart(list,"list",x+2,y-1)
else
commands.flow_stop_cell()
end
else
commands.flow_stop_cell()
end
current = next
end
return n
end
function commands.flow_nodes_to_chart(name,head,max)
commands.flow_start_chart(name)
flow_nodes_to_chart(head,"",1,0)
commands.flow_stop_chart()
end
\stopluacode
\unprotect
\def\enspaceminus{\hskip.5em minus .25em\relax}
\starttexdefinition unexpanded doFLOWglyphnode #comment #subtype #font #char #unicode
\dontleavehmode\hbox{\bf\setstrut\strut \doifsomething{#comment}{#comment\enspaceminus:\enspaceminus}glyph #subtype}
\vss
\dontleavehmode\hbox{\tx\setstrut\strut font\enspaceminus#font:\enspace#unicode:\enspaceminus\setfontofid{#font}\char#char}
\stoptexdefinition
\starttexdefinition unexpanded doFLOWdiscnode #comment #subtype
\dontleavehmode\hbox{\bf\setstrut\strut disc}
\vss
\dontleavehmode\hbox{\tx\setstrut\strut}
\stoptexdefinition
\starttexdefinition unexpanded doFLOWkernnode #comment #subtype #kern
\dontleavehmode\hbox{\bf\setstrut\strut#subtype}
\vss
\dontleavehmode\hbox{\tx\setstrut\strut#kern}
\stoptexdefinition
\starttexdefinition unexpanded doFLOWpenaltynode #comment #subtype #penalty
\dontleavehmode\hbox{\bf\setstrut\strut#subtype}
\vss
\dontleavehmode\hbox{\tx\setstrut\strut#penalty}
\stoptexdefinition
\starttexdefinition unexpanded doFLOWgluenode #comment #subtype #width #shrink #stretch
\dontleavehmode\hbox{\bf\setstrut\strut#subtype}
\vss
\dontleavehmode\hbox{\tx\setstrut\strut#width\enspaceminus-\enspaceminus#shrink\enspaceminus+\enspaceminus#stretch}
\stoptexdefinition
\starttexdefinition unexpanded doFLOWdirnode #comment #subtype #direction
\dontleavehmode\hbox{\bf\setstrut\strut#subtype}
\vss
\dontleavehmode\hbox{\tx\setstrut\strut#direction}
\stoptexdefinition
\defineframed
[flowcell:node]
[flowcell:base]
[\c!top=\vss,
\c!bottom=\vss,
\c!align=\v!middle,
\c!foregroundstyle=\tt]
% this is a temporary interface ... we will have instances and optional settings
\unexpanded\def\boxtoFLOWchart#name#max#box%
{\ctxcommand{flow_nodes_to_chart("#name",tex.box[\number#box].list,\number#max)}}
\unexpanded\def\nextboxtoFLOWchart#name#max%
{\dowithnextbox{\boxtoFLOWchart{#name}{#max}\nextbox}}
\unexpanded\def\hboxtoFLOWchart#name#max%
{\nextboxtoFLOWchart{#name}{#max}\hbox}
\unexpanded\def\vboxtoFLOWchart#name#max%
{\nextboxtoFLOWchart{#name}{#max}\vbox}
\protect
\continueifinputfile{m-nodechart.mkvi}
\definecolor[nodechart:glyph][darkred]
\setupbodyfont[dejavu,10pt]
\starttext
\startTEXpage[offset=10pt]
\hboxtoFLOWchart{dummy}{3}{an affil\discretionary{-}{-}{!}iation}
\FLOWchart[dummy][width=14em,height=3em,dx=1em,dy=.75em,hcompact=yes]
\stopTEXpage
\startTEXpage[offset=10pt]
\hboxtoFLOWchart{dummy}{3}{an affiliation}
\FLOWchart[dummy][width=14em,height=3em,dx=.5em,dy=.75em,hcompact=yes]
\stopTEXpage
\startTEXpage[offset=10pt]
\hboxtoFLOWchart{dummy}{3}{\nl effe fijn fietsen}
\FLOWchart[dummy][width=14em,height=3em,dx=.5em,dy=.75em,hcompact=yes]
\stopTEXpage
\startTEXpage[offset=10pt]
\hboxtoFLOWchart{dummy}{3}{\righttoleft t\kern 1pt est}
\FLOWchart[dummy][width=14em,height=3em,dx=.5em,dy=.75em,hcompact=yes]
\stopTEXpage
\stoptext
|
