From: Gregory Brown <gregory.t.brown@...>
Date: 2008-07-31T07:18:46+09:00
Subject: Re: Suggestions for improving a trivial tag parser

On Wed, Jul 30, 2008 at 6:12 PM, Robert Dober <robert.dober@gmail.com> wrote:
> On Wed, Jul 30, 2008 at 10:43 PM, Gregory Brown
> <gregory.t.brown@gmail.com> wrote:
>
>> It does a double pass through the segments rather than a single pass,
> Yes but these two passes are quite fast, see below.
>> However, I think it'll be okay for my purposes (PDF inline styling),
>> unless I missed some other concern Rolando had.
> Well trying to be useful I checked for some larger texts, I omitted
> the conditional #first at the end of the parsing method for clarity.
>
> Turns out that split is still much better than scanning for a string
> of a size over one megabyte, but it is not
> really fast either:
> 539/39 > cat split.rb && ruby split.rb

Interesting that it's faster to do a double pass with split than a
single pass with StringScanner.
I didn't implement it that way for efficiency, just out of total
forgetfulness on how to get split() to work the way I want :)

-greg