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Cleanup in nodewriter and mark ignoreing

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This commit is contained in:
Marcel Krüger 2020-06-17 18:16:46 +02:00
parent 88effdc8dd
commit 2c68c0223a
1 changed files with 12 additions and 5 deletions
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17
luametalatex-nodewriter.lua
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@ -135,6 +135,18 @@ local function toglyph(p, fid, x, y, exfactor)
p.mode = glyph p.mode = glyph
p.pending[1] = "[(" p.pending[1] = "[("
end end
-- Let's start with "handlers" for nodes which do not need any special handling:
local function ignore_node() end
-- The following are already handled by the list handler because they only correspond to blank space:
nodehandler.math = ignore_node
nodehandler.kern = ignore_node
-- The following are only for frontend use:
nodehandler.boundary = ignore_node
nodehandler.local_par = ignore_node
nodehandler.penalty = ignore_node
nodehandler.mark = ignore_node
-- Now we come to more interesting nodes:
function nodehandler.hlist(p, list, x0, y, outerlist, origin, level) function nodehandler.hlist(p, list, x0, y, outerlist, origin, level)
if outerlist then if outerlist then
if getid(outerlist) == 0 then if getid(outerlist) == 0 then
@ -250,7 +262,6 @@ function nodehandler.rule(p, n, x, y, outer)
end end
end end
end end
function nodehandler.boundary() end
function nodehandler.disc(p, n, x, y, list, ...) -- FIXME: I am not sure why this can happen, let's assume we can use .replace function nodehandler.disc(p, n, x, y, list, ...) -- FIXME: I am not sure why this can happen, let's assume we can use .replace
for n in traverse(getreplace(n)) do for n in traverse(getreplace(n)) do
local next = getnext(n) local next = getnext(n)
@ -259,8 +270,6 @@ function nodehandler.disc(p, n, x, y, list, ...) -- FIXME: I am not sure why thi
x = w + x x = w + x
end end
end end
function nodehandler.local_par() end
function nodehandler.math() end
function nodehandler.glue(p, n, x, y, outer, origin, level) -- Naturally this is an interesting one. function nodehandler.glue(p, n, x, y, outer, origin, level) -- Naturally this is an interesting one.
local subtype = getsubtype(n) local subtype = getsubtype(n)
if subtype < 100 then return end -- We only really care about leaders if subtype < 100 then return end -- We only really care about leaders
@ -334,8 +343,6 @@ function nodehandler.glue(p, n, x, y, outer, origin, level) -- Naturally this is
end end
end end
end end
function nodehandler.kern() end
function nodehandler.penalty() end
local pdf_escape = require'luametalatex-pdf-escape'.escape_raw local pdf_escape = require'luametalatex-pdf-escape'.escape_raw
local match = lpeg.match local match = lpeg.match