I've got an environment CodeScrap that Lyx treats as a list environment.
Each list item is a literate programming chunk, and the list item name
is the chunk name.
I will be using the listings package to format the latex output; so I
start like this:
(Please don't comment on the needless \startCodeScrap and so forth, it's
just till I get it working).
\long\def\startCodeScrap{
\def\nfitem{\item}
\def\item##1[##2]{
\begin{lstlisting}[name=##2]
}
}
\newenvironment{CodeScrap}{\startCodeScrap}{
%\end{lstlisting}
\def\item\nfitem}
So I re-define item during a CodeScrap environment, so that it starts a
lstlisting. That works fine; but of course lstlisting is looking for a
literal \end{lstlisting} I think and there isn't one... now another
\item or \end{CodeScrap}will occur instead.
I think my \def\item might need to be \long\def\item and maybe have a
3rd parameter which ends with \item or \end{CodeScrap} (which will be
hard enough, probably I'll have to do the third parameter ending on a \
and then do tail recursion to pull some more if the next symbol isn't
\item or \end [won't someone write a yacc for tex?)
But I see that I still need to inject the \end{lstlisting} somewhere. I
try to fake it by way of experiment:
\long\def\startCodeScrap{
\def\nfitem{\item}
\def\item##1[##2]##3\end{
{\begin{lstlisting}[name=##2]##3}
{\endlstlisting}
HELLO ##3
\end
}
}
But not only does it not work, it's fetching the tokens not in the same
mode as listings works, and eating my { } and so forth.I realise then
that if I am going to fetch
ahead to the next item with ##3 and such that I need to mess about with
catcodes too...
So before I go too far, any advice for me?
(I also realise that my 2nd \item will have to close the lstlisting of
the previous item and so on)
Sam
