From: Jeff Wood <jeff.darklight@...>
Date: 2005-10-18T00:54:56+09:00
Subject: Re: Unit Testing with REXML questions

My mistake

I meant for the param to be sent to "each"

count = 0
xml.elements.each( "/a/d" ) { count += 1 }
puts count

j.

On 10/17/05, Peter Fitzgibbons <peter.fitzgibbons@gmail.com> wrote:
> On 10/17/05, umitanuki <yasagure@umitanuki.net> wrote:
> > Hi Jeff, and Peter,
> >
> > I also got "5" with this code:
> >
> > xml.elements['/a/d'].size
> >
> > And then I checked your code like:
> >
> > xml.elements('/a/d') ,
> >
> > it failed with message
> > " in 'elements': wrong number of arguments(1 for 0) (Argument Error) ".
> >
> > Is it the difference of REXML version??
> > My REXML is 3.1.2.1.
> >
> > Regards,
> >
> >
> > umitanuki
> >
> >
> > Jeff Wood wrote:
> > > Peter,
> > >
> > > Actually... i don't understand why you got "5" when you did size...
> > > that was one element.
> > >
> > > And yes, an element contains it's children ... but they aren't going
> > > to be iterated over unless you did something like /a/d/*  or something
> > > like that.
> > >
> > > what do you get when you run
> > >
> > > count = 0 ; xml.elements( '/a/d' ).each { count += 1 ) ; puts count
> > >
> > > ... of course umitanuki's to_a should also simply return an array of 1 length.
> > >
> > > j.
> > >
> > > On 10/16/05, umitanuki <yasagure@umitanuki.net> wrote:
> > >
> > >>Hi Peter,
> > >>
> > >>What you want is to get the array of specific nodes, isn't it??
> > >>If it's true, see code below:
> > >>
> > >>xmltest.rb :
> > >>require 'rexml/document'
> > >>
> > >>xmlin = <<EOD
> > >><a>
> > >>  <b>one</b>
> > >>  <c>two</c>
> > >>  <d>
> > >>    <e>three</e>
> > >>    <f>four</f>
> > >>  </d>
> > >></a>
> > >>EOD
> > >>
> > >>xml = REXML::Document.new(xmlin)
> > >>puts xml.elements.to_a('/a/d')
> > >>
> > >>--
> > >>then, you can iterate with the nodes of 'd', including knowing
> > >>the number of 'd' nodes with '.size' method, right??
> > >>
> > >>Regards,
> > >>
> > >>
> > >>umitanuki
> > >>
> > >>
> > >>Peter Fitzgibbons wrote:
> > >>
> > >>>HI Jeff,
> > >>>
> > >>>xmltest.rb :
> > >>>require 'rexml/document'
> > >>>
> > >>>xmlin = <<EOD
> > >>><a>
> > >>> <b>one</b>
> > >>> <c>two</c>
> > >>> <d>
> > >>>   <e>three</e>
> > >>>   <f>four</f>
> > >>> </d>
> > >>></a>
> > >>>EOD
> > >>>
> > >>>xml = REXML::Document.new(xmlin)
> > >>>puts xml.elements['/a/d'].size
> > >>>puts xml.elements['/a/d']
> > >>>
> > >>>
> > >>>output :
> > >>>5
> > >>><d>
> > >>>   <e>three</e>
> > >>>   <f>four</f>
> > >>> </d>
> > >>>
> > >>>xml.elements['/a/d'] returns the entire xml tree under/including /a/d
> > >>>
> > >>>I want this to return 1 (the number of "d" elements in the list)
> > >>>
> > >>>
> > >>>
> > >>
> > >>
> > >>
> > >
> > >
> > > --
> > > "http://ruby-lang.org -- do you ruby?"
> > >
> > > Jeff Wood
> > >
> > >
> > >
> >
> >
> >
> >
>
> My code was :
>
> puts xml.elements['/a/d'].size
>
> in previous post.
>
>


--
"http://ruby-lang.org -- do you ruby?"

Jeff Wood