On 9 November 2010 17:53, Mark Spezzano <[email protected]> wrote:
> Hi all,
>
> I want to do the following tasks in this order:
>
> 1. Read text from standard input (should this be stored internally in my 
> program as a ByteString or as a String?)
>
> 2. Process the text via left justifying it and making it word-wrap (again, 
> internally, should I store this as a ByteString or String?)
>
> 3. Format the text using the Wadler-Leijen Pretty Printer (to the best of my 
> knowledge this  only processes Strings, but not ByteStrings)
>
> 4. Print to Standard output the formatted (i.e. colourised, and justified) 
> text (again, should this be as a ByteString or as a String?)
>
> I thought that the reason that most people use ByteString was for 
> _performance_, but wl-pprint can only process Strings to the best of my 
> knowledge.
>
> I would, ideally, like to use ByteStrings everywhere...all throughout my 
> code. Is this possible with coloured text?
>
> I want to boost up the performance of my application dramatically, so in 
> theory I could process everything as a String, then as the last second pack 
> everything processed into a ByteString and print it out...I think that this 
> might work. Then again it might not because of the types expected. Any help 
> with this would be appreciated.

Well, I'm currently working on a Text version of wl-pprint, which will
probably suit your needs better than Bytestring.

As for coloured text, there's ansi-wl-pprint, but it's more for
terminals (how exactly do you want to output your results?).


-- 
Ivan Lazar Miljenovic
[email protected]
IvanMiljenovic.wordpress.com
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