From: umitanuki <yasagure@...>
Date: 2005-10-18T01:11:17+09:00
Subject: Re: Unit Testing with REXML questions

I didn't know such a code but it's seemed so useful.
Tanks,


umitanuki

Jeff Wood wrote:
> 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
> 
> 
>