38 lines
1.0 KiB
Lua
38 lines
1.0 KiB
Lua
local scan_int = token.scan_int
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local scan_keyword = token.scan_keyword
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-- local names = {}
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local setters = {
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}
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local getters = {
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}
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function tex.gettextdir() return tex.textdirection end
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function tex.getlinedir() return tex.linedirection end
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function tex.getmathdir() return tex.mathdirection end
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function tex.getpardir() return tex.pardirection end
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local integer_code = luametalatex.value.integer
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local function set_xdir(id, scanning)
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if scanning == 'value' then
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return integer_code, getters[id]()
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end
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-- local global = scanning == 'global'
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local value
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if scan_keyword'tlt' then
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value = 0
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elseif scan_keyword'trt' then
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value = 1
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else
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value = scan_int()
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end
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setters[id](value, scanning)
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end
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return function(name)
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local getter = tex["get" .. name]
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local setter = tex["set" .. name]
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assert(getter and setter, "direction parameter undefined")
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local idx = luametalatex.luacmd(name, set_xdir, "protected", "global", "value")
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getters[idx] = getter
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setters[idx] = setter
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return idx
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end
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