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|
if not modules then modules = { } end modules ['node-dir'] = {
version = 1.001,
comment = "companion to node-ini.mkiv",
author = "Taco Hoekwater and Hans Hagen",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
--[[
<p>In the process of cleaning up the lua variant of the parbuilder
we ran into a couple of functions (translated c macros) that were
somewhat inefficient. More convenient is to use hashes although at
the c-end still macros are used. In the process directions.h was
adapted and now has the mappings as comments. This lua file is
based on that file.
]]--
local allocate = utilities.storage.allocate
local nodes = nodes
nodes.is_mirrored = allocate {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
}
nodes.is_rotated = allocate {
-- TLT = false,
-- TRT = false,
-- LTL = false,
RTT = true, ["+RTT"] = true,
}
nodes.textdir_is_parallel = allocate {
TLT = {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
TRT= {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
LTL = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
RTT = true, ["+RTT"] = true,
},
RTT = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
RTT = true, ["+RTT"] = true,
}
}
nodes.pardir_is_parallel = allocate {
TLT = {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
TRT = {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
LTL = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
RTT = true, ["+RTT"] = true,
},
RTT = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
RTT = true, ["+RTT"] = true,
},
}
nodes.pardir_is_opposite = allocate {
TLT = {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
TRT = {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
LTL = {
-- TLT = false,
-- TRT = false,
-- LTL = false,
RTT = true, ["+RTT"] = true,
},
RTT = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
-- RTT = false,
},
}
nodes.textdir_is_opposite = allocate {
TLT = {
-- TLT = false,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
TRT= {
TLT = true, ["+TLT"] = true,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
LTL = {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
RTT = {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
}
nodes.glyphdir_is_opposite = allocate {
TLT = {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
TRT= {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
LTL = {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
RTT = {
-- TLT = false,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
}
nodes.pardir_is_equal = allocate {
TLT = {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
TRT= {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
LTL= {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
-- RTT = false,
},
RTT= {
-- TLT = false,
-- TRT = false,
-- LTL = false,
RTT = true, ["+RTT"] = true,
},
}
nodes.textdir_is_equal = allocate {
TLT = {
TLT = true, ["+TLT"] = true,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
TRT= {
-- TLT = false,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
LTL = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
RTT = true, ["+RTT"] = true,
},
RTT = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
RTT = true, ["+RTT"] = true,
},
}
nodes.glyphdir_is_equal = allocate {
TLT = {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
RTT = true, ["+RTT"] = true,
},
TRT= {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
RTT = true, ["+RTT"] = true,
},
LTL = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
-- RTT = false,
},
RTT = {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
-- LTL = false,
RTT = true, ["+RTT"] = true,
},
}
nodes.partextdir_is_equal = allocate {
TLT = {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
RTT = true, ["+RTT"] = true,
},
TRT= {
-- TLT = false,
-- TRT = false,
LTL = true, ["+LTL"] = true,
RTT = true, ["+RTT"] = true,
},
LTL = {
TLT = true, ["+TLT"] = true,
-- TRT = false,
-- LTL = false,
-- RTT = false,
},
RTT = {
-- TLT = false,
TRT = true, ["+TRT"] = true,
-- LTL = false,
-- RTT = false,
},
}
nodes.textdir_is_is = allocate {
TLT = true, ["+TLT"] = true,
-- TRT = false,
-- LTL = false,
-- RTT = false,
}
nodes.glyphdir_is_orthogonal = allocate {
TLT = true, ["+TLT"] = true,
TRT = true, ["+TRT"] = true,
LTL = true, ["+LTL"] = true,
-- RTT = false
}
nodes.dir_is_pop = allocate {
["-TRT"] = true,
["-TLT"] = true,
["-LTL"] = true,
["-RTT"] = true,
}
nodes.dir_negation = allocate {
["-TRT"] = "+TRT",
["-TLT"] = "+TLT",
["-LTL"] = "+LTL",
["-RTT"] = "+RTT",
["+TRT"] = "-TRT",
["+TLT"] = "-TLT",
["+LTL"] = "-LTL",
["+RTT"] = "-RTT",
}
|
