diff options
Diffstat (limited to 'tex/context/base/node-dir.lua')
| -rw-r--r-- | tex/context/base/node-dir.lua | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/tex/context/base/node-dir.lua b/tex/context/base/node-dir.lua new file mode 100644 index 000000000..05e4835e5 --- /dev/null +++ b/tex/context/base/node-dir.lua @@ -0,0 +1,308 @@ +if not modules then modules = { } end modules ['node-mir'] = { + 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. +]]-- + + +nodes = nodes or { } + +nodes.is_mirrored = { + -- TLT = false, + -- TRT = false, + -- LTL = false, + -- RTT = false, +} + +nodes.is_rotated = { + -- TLT = false, + -- TRT = false, + -- LTL = false, + RTT = true, ["+RTT"] = true, +} + +nodes.textdir_is_parallel = { + 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 = { + 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 = { + 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 = { + 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 = { + 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 = { + 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 = { + 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 = { + 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 = { + 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 = { + TLT = true, ["+TLT"] = true, + -- TRT = false, + -- LTL = false, + -- RTT = false, +} + +nodes.glyphdir_is_orthogonal = { + TLT = true, ["+TLT"] = true, + TRT = true, ["+TRT"] = true, + LTL = true, ["+LTL"] = true, + -- RTT = false +} + +nodes.dir_is_pop = { + ["-TRT"] = true, + ["-TLT"] = true, + ["-LTL"] = true, + ["-RTT"] = true, +} + +nodes.dir_negation = { + ["-TRT"] = "+TRT", + ["-TLT"] = "+TLT", + ["-LTL"] = "+LTL", + ["-RTT"] = "+RTT", + ["+TRT"] = "-TRT", + ["+TLT"] = "-TLT", + ["+LTL"] = "-LTL", + ["+RTT"] = "-RTT", +} |