Re: Identifying two tags that share some attribute nam

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Subject: Re: Identifying two tags that share some attribute names andvalues
From: Joerg Heinicke <joerg.heinicke@xxxxxx>
Date: Sun, 05 May 2002 20:17:05 +0200

> I apologize for this, but it looks like I slightly misstated the > problem. I tested your solution and it looks like exactly what I'm > looking for, with one difference: it is not <a> that contains the > superset of attributes, with containing a subset. It's actually > that contains the superset, and <a> contains the subset. > > This variation seems to work for me: > > <xsl:variable name="file2" select="document('2.xml')/outsidedata"/> > <xsl:template match="a"> > <xsl:variable name="a" select="." /> > <xsl:for-each select="$file2/b[@* = $a/@*]"> > <xsl:variable name="b" select="." /> > <xsl:variable name="test"> > <xsl:for-each select="$a/@*"> > <xsl:if test="not($b/@*[name() = name(current())] = .)"> > no attribute with the same name on element b whose value equals this one > </xsl:if> > </xsl:for-each> > </xsl:variable> > <xsl:if test="not(string($test))"> > [<xsl:value-of select="."/>] > </xsl:if> > </xsl:for-each> > </xsl:template>

Hi Zack,

I don't understand why Jeni's solution should be wrong. With your sentence

The quick brown <a x="1" y="2" z="3">fox</a> jumps over the lazy <a x="9" y="8" z="7">dog</a>.

and the second file

<outsidedata>
  <b x="1" y="2">PPP</b>
  <b y="2" z="3">QQQ</b>
  <b z="3">RRR</b>
  <b x="9" z="7">SSS</b>
  <b m="2" z="3">TTT</b>
</outsidedata>

I get the output

"The quick brown [PPP][QQQ][RRR] jumps over the lazy [SSS]."

This is exactly what I expect after reading your first posting again. With your stylesheet I get

"The quick brown jumps over the lazy ."

This seems not to be ok. I thought that the s must not have all attributes from <a>, but may not have other than <a> and not the same with a different value.

And my comments/questions to Jeni's stylesheet:

>><xsl:template match="a">
>>  <xsl:variable name="a" select="." />

<xsl:for-each select="$file2/b[@* = $a/@*]">

I thought of a filter too, but I didn't find a sensible one. The above one isn't completely logical to me. What exactly does it mean? Maybe "all s, whose all attributes are in <a> and don't have a different value"?

   <xsl:variable name="test">
     <xsl:for-each select="@*">
       <xsl:if test="not($a/@*[name() = name(current())] = .)">

This is a little bit easier ;-)

         no attribute with the same name on element a whose value
         equals this one
       </xsl:if>
     </xsl:for-each>
   </xsl:variable>
   <xsl:if test="not(string($test))">

This is easier again. Of course a test on "contains($test, 'false')" is not necessary.

     <xsl:text />[<xsl:value-of select="." />]<xsl:text />
   </xsl:if>
 </xsl:for-each>
</xsl:template>

Joerg

XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list

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Re: Identifying two tags that share some attribute names and values, (continued)

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