From: Celine <xhanrot@...>
Date: 2007-12-19T07:39:58+09:00
Subject: Re: Hpricot syntax different from Xpath ?

On Dec 18, 11:25 pm, Thomas Wieczorek <wieczo...@googlemail.com>
wrote:
> On Dec 18, 2007 11:04 PM, Celine <xhan...@gmail.com> wrote:
>
> > Hi all
>
> > I'm trying to parse a page with Hpricot in order to retrieve a value.
>
> > I use Xpather (a firefox extension) in order to get the path of this
> > value. But when I use this path with Hpricot, it doesn't work. I have
> > to change it so that it works.
>
> > Here's my path, given by Xpather :
>
> > /html/body/div[1]/div[2]/div[1]/div[2]/div[1]/div[2]/div[1]/div/div[1]/
> > div[1]/table/tbody/tr[1]
>
> HPricot doesn't include the whole XPath syntax. You can write a little
> function which translates XPath expressions with brackets to HPricot
> expressions. I wrote a function for that, but my SVN is right now down
> and I can't get it. Drop an answer if you still need it
> Firefox includes some missing HTML tags. I ran in it, when I had to
> write a little script. <tbody> is added in <table>, probably some more
> things, but I didn't find them. You can see the difference when you
> download the page with open-uri. Not many pages add <tbody>.

Hi Thomas

I'm very interested in your function. Do you know where I can find
differences between XPath syntax and Hpricot syntax ? What reference
did you use to write your function ?

Celine