\directlua {
function followup(n)
print(tex.box[n].list.width)
print(tex.box[n].list.height)
print(tex.box[n].list.depth)
tex.print(tex.box[n].list.width .. "\string\\par")
tex.print(tex.box[n].list.height .. "\string\\par")
tex.print(tex.box[n].list.depth .. "\string\\par")
end
}
\directlua {
tex.print([[\string\setbox0=\string\hbox{foo}]])
tex.print([[\string\directlua{followup(0)}]])
}
(credit: H. Hagen)
On Mon, Oct 20, 2014 at 5:16 PM, Andreas Matthias <
[email protected]> wrote:
> Is it possible to call the TeX scanner from within Lua?
>
> I would like to put a string into a box and then work on the node list.
> If the string were available on the TeX side I would
>
> \setbox0\hbox{...}
>
> and the use it on the Lua side
>
> tex.box[0]
>
> But what should I do if the string is generated on the Lua side and
> thus no available on the TeX side? Is it possible to call the TeX
> scanner to read this string?
>
>
> Ciao
> Andreas
>
>
\directlua {
function followup(n)
print(tex.box[n].list.width)
print(tex.box[n].list.height)
print(tex.box[n].list.depth)
tex.print(tex.box[n].list.width .. "\string\\par")
tex.print(tex.box[n].list.height .. "\string\\par")
tex.print(tex.box[n].list.depth .. "\string\\par")
end
}
\directlua {
tex.print([[\string\setbox0=\string\hbox{foo}]])
tex.print([[\string\directlua{followup(0)}]])
}
(the code is from H. Hagen)
--
luigi
