From: Konrad Meyer <konrad@...>
Date: 2007-08-11T08:06:19+09:00
Subject: Re: Creating a <span> over a range while preserving nesting

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On Friday 10 August 2007 08:28:38 am Burke Libbey wrote:
> While this is a rails-related question, it has more to do with ruby in
> general.
>=20
> The user selects a range by highlighting it. This is detected with
> javascript and fed to ruby. I want to take this range and highlight it.
>=20
> I'm doing that by adding <span class=3D"anno"></span> around the region.
> So that works ok, except that this often causes tag nesting problems.
> What I want to do is intelligently add more tag pairs to preserve
> nesting.
>=20
> For example, the range:
>=20
> this is a</span> test <strong>that <span>uses pretty</span>
> bizarre</strong> markup.
>=20
> Should become:
>=20
> <span class=3D"anno">this is a</span></span><span class=3D"anno"> test
> <strong>that <span>uses pretty</span> bizarre</strong> markup.</span>
>=20
> I'm not looking for someone to write the code for me (although if you
> did, I wouldn't complain); I just need someone to point me in the right
> direction. Should I start from scratch with RegExes, or is there a
> suitable library?
>=20
> Thanks.
>=20
> /burke

You might look into Hpricot by _why or stdlib REXML.

=2D-=20
Konrad Meyer <konrad@tylerc.org> http://konrad.sobertillnoon.com/

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