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if not modules then modules = { } end modules ['lpdf-nod'] = {
version = 1.001,
comment = "companion to lpdf-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
if CONTEXTLMTXMODE > 1 then
return
end
local nodecodes = nodes.nodecodes
local whatsitcodes = nodes.whatsitcodes
local nodeinjections = backends.nodeinjections
local nuts = nodes.nuts
local setfield = nuts.setfield
local setdata = nuts.setdata
local copy_node = nuts.copy
local new_node = nuts.new
local nodepool = nuts.pool
local register = nodepool.register
local whatsit_code = nodecodes.whatsit
local savewhatsit_code = whatsitcodes.save
local restorewhatsit_code = whatsitcodes.restore
local setmatrixwhatsit_code = whatsitcodes.setmatrix
local literalwhatsit_code = whatsitcodes.literal
local literalvalues = nodes.literalvalues
local originliteral_code = literalvalues.origin
local pageliteral_code = literalvalues.page
local directliteral_code = literalvalues.direct
local rawliteral_code = literalvalues.raw
local tomatrix = drivers.helpers.tomatrix
local originliteralnode = register(new_node(whatsit_code, literalwhatsit_code)) setfield(originliteralnode,"mode",originliteral_code)
local pageliteralnode = register(new_node(whatsit_code, literalwhatsit_code)) setfield(pageliteralnode, "mode",pageliteral_code)
local directliteralnode = register(new_node(whatsit_code, literalwhatsit_code)) setfield(directliteralnode,"mode",directliteral_code)
local rawliteralnode = register(new_node(whatsit_code, literalwhatsit_code)) setfield(rawliteralnode, "mode",rawliteral_code)
function nodepool.originliteral(str) local t = copy_node(originliteralnode) setdata(t,str) return t end
function nodepool.pageliteral (str) local t = copy_node(pageliteralnode ) setdata(t,str) return t end
function nodepool.directliteral(str) local t = copy_node(directliteralnode) setdata(t,str) return t end
function nodepool.rawliteral (str) local t = copy_node(rawliteralnode ) setdata(t,str) return t end
local literals = {
[originliteral_code] = originliteralnode, [literalvalues[originliteral_code]] = originliteralnode,
[pageliteral_code] = pageliteralnode, [literalvalues[pageliteral_code]] = pageliteralnode,
[directliteral_code] = directliteralnode, [literalvalues[directliteral_code]] = directliteralnode,
[rawliteral_code] = rawliteralnode, [literalvalues[rawliteral_code]] = rawliteralnode,
}
function nodepool.literal(mode,str)
if str then
local t = copy_node(literals[mode] or pageliteralnode)
setdata(t,str)
return t
else
local t = copy_node(pageliteralnode)
setdata(t,mode)
return t
end
end
local savenode = register(new_node(whatsit_code, savewhatsit_code))
local restorenode = register(new_node(whatsit_code, restorewhatsit_code))
local setmatrixnode = register(new_node(whatsit_code, setmatrixwhatsit_code))
function nodepool.save()
return copy_node(savenode)
end
function nodepool.restore()
return copy_node(restorenode)
end
function nodepool.setmatrix(rx,sx,sy,ry,tx,ty)
local t = copy_node(setmatrixnode)
setdata(t,tomatrix(rx,sx,sy,ry,tx,ty))
return t
end
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