Re: [cclib-devel] Peeking with iterator

[Christopher R. <cro...@uo...>]

I think I'll be able to make it work based on what you and others have
suggested. I do believe it is a common enough problem, so it's something
to keep in mind if the parser methodology is resigned at some point.

Chris

-----Original Message-----
From: Noel O'Boyle [mailto:bao...@gm...] 
Sent: Tuesday, July 31, 2007 5:27 AM
To: Christopher Rowley
Cc: cclib-dev List
Subject: Re: [cclib-devel] Peeking with iterator

I would say avoid peeking and seeking and all that. All you need to do
is to make sure that the code for reading in the next section, follows
the code for reading in this section, and that the name of the
variable containing the "$" line is the same as the name of the
variable that is used in the big loop over all lines (typically the
variable name is "line").

Does this make sense? I've done this one before. Will this fit all
cases? (i.e. do you always know the order of the sections). Clearly,
it would be very helpful if you add comments indicating that the order
of a particular section is important if you use this method.

I see that you've uploaded some datafiles. Can you point to the
specific example? Maybe I can think of some other way...

Noel

On 31/07/07, Christopher Rowley <cro...@uo...> wrote:
>
>
>
>
> Is there a preferred way to peek ahead in inputfile iterator? The
problem
> I'm having is that the only way to tell if a section is over is if the
next
> line is the start of the new section (ie, it starts with a $). I can
think
> of one work around, which is to use tell() to get the starting
position of
> the new line, and then seeking back to that point it if it is the end
of the
> section. Please let me know if there a more elegant way to do this.
>
>
>
> Chris
>
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