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From: "Kyle X." <haebooty@yahoo.com>
Newsgroups: comp.lang.ruby
Subject: Re: Can you search in REXML by attributes?
Date: Sun, 10 Apr 2011 18:27:45 -0500
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Kyle X. wrote in post #992033:
> "Jes=C3=BAs Gabriel y Gal=C3=A1n" <jgabrielygalan@gmail.com> wrote in p=
ost
> #990433:
>>
>> I usually use Nokogiri to handle XML documents, and find css selectors=

>> easier than XPath. I'd do it like this:
>>
>> doc =3D Nokogiri::XML(<<END
>> <root xmlns:exp=3D"http://foo" xmlns:xsi=3D"http://bar">
>> <IfcWallStandardCase id=3D"i1677">
>>  <ObjectPlacement>
>>    <IfcLocalPlacement xsi:nil=3D"true" ref=3D"i1671"/>
>>  </ObjectPlacement>
>> </IfcWallStandardCase>
>>
>> <IfcAxis2Placement3D id=3D"i1671">
>>  <Location>
>>    <IfcCartesianPoint xsi:nil=3D"true" ref=3D"i1667"/>
>>  </Location>
>> </IfcAxis2Placement3D>
>>
>> <IfcCartesianPoint id=3D"i1667">
>>  <Coordinates id=3D"i1670" exp:cType=3D"list">
>>    <IfcLengthMeasure exp:pos=3D"0">117.4</IfcLengthMeasure>
>>    <IfcLengthMeasure exp:pos=3D"1">119.7</IfcLengthMeasure>
>>    <IfcLengthMeasure exp:pos=3D"2">0.</IfcLengthMeasure>
>>  </Coordinates>
>> </IfcCartesianPoint>
>> </root>
>> END
>> )
>>
>> reference =3D doc.css("#i1671 Location
>> IfcCartesianPoint").attribute("ref").value
>> doc.css("##{reference} Coordinates IfcLengthMeasure").map {|element|
>> element.text}
>>
>> This returns: =3D> ["117.4", "119.7", "0."]

Please disregard the previous post.  I figured out how to load the
files, but it does not appear to be reading correctly.

Using-
fname =3D File.open("C:/Users/Kyle/Desktop/CSUF/Research Winter
11/IFXCML/automation trials/one.xml")
$doc =3D Nokogiri::XML(fname)
reference =3D $doc.css(" IfcCartesianPoint Coordinates
IfcLengthMeasure").first

This produce and output of nil when it should be "117.4" correct?  What
is going wrong here?

-- =

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